CN110732048B - Drainage device for oncology department - Google Patents
Drainage device for oncology department Download PDFInfo
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- CN110732048B CN110732048B CN201911022258.0A CN201911022258A CN110732048B CN 110732048 B CN110732048 B CN 110732048B CN 201911022258 A CN201911022258 A CN 201911022258A CN 110732048 B CN110732048 B CN 110732048B
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Abstract
The invention discloses a drainage device for oncology, which has the technical scheme key points that: including the pjncture needle, have the cavity in the pjncture needle, still include: a drainage tube disposed in said cavity in said puncture needle; the end head is arranged at the end part of the puncture needle and is provided with a conical surface, one end of the drainage tube extends outwards to penetrate through the end head, and the end head is also provided with a plurality of perfusion holes; a hollow barrel connected to the top of the puncture needle by a connecting assembly; the fixing component is arranged on the connecting component and is used for being fixed on the body of the patient after the puncture needle is punctured; a gripping assembly disposed outside the hollow tube; a first conduit connected to the top end of the drainage tube by a fastening assembly; the negative pressure suction assembly is arranged at the end part of the first pipeline; utilize the device can dilute the thick hydrops to improve the effect of drainage.
Description
Technical Field
The invention relates to the field of medical devices, in particular to a drainage device for oncology.
Background
The tumor patients are often accompanied by water accumulation in the thoracic cavity or abdominal cavity, severe chest pain on the affected side can occur in the early stage of water accumulation, like acupuncture and knife cutting, and deep breathing or cough is more serious because of friction between sticky liquid and two pleura layers. As the fluid accumulation increases, the patient experiences shortness of breath, palpitations and dyspnea, which are increasingly aggravating. To relieve pain in patients with tumors, fluid accumulation is drained.
The current chinese patent with publication number CN110227188A discloses a portable drainage bag, which comprises a bag body, a drainage tube and a puncture outfit, wherein two ends of the drainage tube are respectively connected to the bag body and the puncture outfit, the portable drainage bag further comprises a shoulder strap, a connecting strap is connected between the shoulder strap and the bag body, a first binding strap and a second binding strap are fixedly connected to the bag body, a first fixing part is arranged at one end of the first binding strap away from the bag body, and a second fixing part used for connecting with the first fixing part is arranged at one end of the second binding strap away from the bag body.
The portable drainage bag has the advantages of convenient carrying, but the portable drainage bag still has some disadvantages, such as: firstly, the patient can not conveniently absorb accumulated mucus during puncture drainage; secondly, when the accumulated liquid is viscous, the device cannot dilute the accumulated liquid due to difficulty in drainage and absorption; thirdly, the above-mentioned device is not easy to adjust the hand-held position for operation; fourth, after the puncture needle is punctured, the puncture needle cannot be stably fixed, and thus the device is liable to shake, and the function of fixing the puncture needle cannot be realized.
Disclosure of Invention
In view of the problems mentioned in the background, the present invention is to provide a drainage device for oncology to solve the problems mentioned in the background.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a drainage device for oncology, includes the pjncture needle, have the cavity in the pjncture needle, still includes:
a drainage tube disposed within said cavity within said puncture needle;
the end head is arranged at the end part of the puncture needle and provided with a conical surface, one end of the drainage tube extends outwards to penetrate through the end head, and the end head is also provided with a plurality of perfusion holes;
the hollow tube barrel is connected to the top of the puncture needle through a connecting assembly, a branch tube is fixedly welded on the hollow tube barrel, and the branch tube is communicated with the interior of the hollow tube barrel;
the fixing component is arranged on the connecting component and is used for being fixed on the body of the patient after the puncture needle is punctured;
a gripping assembly disposed outside the hollow barrel for facilitating a handheld operation by a physician;
a first pipeline connected to the top end of the drainage tube through a fastening assembly;
the negative pressure suction assembly is arranged at the end part of the first pipeline;
a dilution injection assembly connected to the end of the branch tube, with which saline can flow out of the interior of the hollow barrel, the interior of the connection assembly, the cavity in the puncture needle, and the irrigation hole on the tip;
and a liquid collection assembly for collecting liquid sucked out of the liquid suction assembly through the negative pressure suction assembly.
By adopting the technical scheme, when the device is used, an operator can perform puncture operation by using the puncture needle, and the puncture needle can be left in the body after being completely punctured to start the negative pressure drainage device to perform drainage operation; in addition, after the puncture of the puncture needle is finished, the puncture needle can be fixed by using the fixing assembly, so that the puncture needle is prevented from shaking; moreover, when the effusion is viscous, an operator can inject a little physiological saline into the abdominal cavity through the dilution injection assembly through the hollow pipe barrel, the connecting assembly, the cavity in the puncture needle and the perfusion hole on the end head, so as to dilute the viscous effusion, thereby improving the drainage effect; moreover, the operation of holding by an operator can be conveniently carried out for drainage by utilizing the holding assembly arranged outside the hollow pipe barrel.
Preferably, the connecting assembly includes a connecting tube, a first screwed joint portion, a second screwed joint portion, a first end plate and a second end plate, the connecting tube is located between the hollow tube and the end portion of the puncture needle, the first screwed joint portion and the second screwed joint portion are respectively integrally formed at two ends of the connecting tube, the first end plate and the second end plate are respectively integrally formed outside the connecting tube, the first screwed joint portion is screwed at the end portion of the puncture needle, and the second screwed joint portion is screwed at the end portion of the hollow tube.
By adopting the technical scheme, the connecting component can be used for facilitating the connection and the disassembly between the hollow barrel and the puncture needle, when the connection is needed, the first thread joint part can be connected to the end part of the puncture needle through threads, and the second thread joint part can be connected to the end part of the hollow barrel through threads, so that the convenience is realized.
The preferred, fixed subassembly includes fixed plate, two threaded rods, two sucking discs and two handles, install with adjustable the fixed plate is vertical coupling assembling is outside, two threaded rods threaded connection respectively is in on the fixed plate, two the sucking disc is fixed respectively the threaded rod tip, two the handle is fixed respectively the threaded rod is kept away from the one end of sucking disc.
Through adopting above-mentioned technical scheme, after the pjncture needle accomplished the puncture, the operator can adjust the position of fixed plate, then can rotate the threaded rod and drive the sucking disc adjustment position for two sucking discs adsorb on patient's skin, thereby can realize the fixed to the pjncture needle.
Preferably, the holding assembly comprises a rectangular pipe barrel, a stud, a channel, a threaded ring sleeve and a handle, the rectangular pipe barrel is vertically connected to the outside of the hollow pipe barrel in a sliding manner, the stud is fixedly welded to the outside of the hollow pipe barrel, the channel is formed in the rectangular pipe barrel and is used for the screw to pass through, the threaded ring sleeve is connected to the outside of the stud in a threaded manner, and the handle is fixedly welded to the outside of the rectangular pipe barrel.
Through adopting above-mentioned technical scheme, utilize and grip the subassembly and can make things convenient for the operator to grip the operation, and the position of shaking hands can be adjusted according to the convenience of operation, and the operator can stimulate the rectangle bobbin and slide when adjusting, adjusts the position of the relative double-screw bolt of channel, later screws up the screw ring cover and just can realize the locking, and is very convenient.
Preferably, the fastening assembly includes a third screwed joint portion, an annular joint and an annular sealing washer, the third screwed joint portion is fixed to one end of the first pipe close to the drainage tube, the annular joint is fixed to one end of the drainage tube close to the first pipe, a front cross section of the annular joint is L-shaped, and the annular sealing washer is fixed to an end portion of the third screwed joint portion.
Through adopting above-mentioned technical scheme, utilize being connected between first pipeline of realization that fastening components can be convenient and the drainage tube, just can realize connecting after with annular joint screw in third screwed joint portion, utilize annular seal ring can improve its sealed effect of connecting.
Preferably, the negative pressure suction assembly comprises a suction cylinder, a one-way valve, a first piston, a first push-pull rod, a first operating handle, a second pipeline and a third pipeline, one end of the suction cylinder is connected to the end of the first pipeline in a threaded manner, the one-way valve is mounted on the suction cylinder, the first piston is connected in the suction cylinder in a sliding manner, the first push-pull rod is fixed on the end face of the piston, the first operating handle is fixed at the end of the first push-pull rod, the second pipeline is fixed outside the suction cylinder, the second pipeline is communicated with the suction cylinder, and the third pipeline is detachably connected to the end of the second pipeline.
Through adopting above-mentioned technical scheme, utilize the negative pressure to absorb the subassembly and can produce the negative pressure and absorb the hydrops, can drive first piston when the operator stimulates first push-and-pull rod and produce the negative pressure and absorb in absorbing a section of thick bamboo, can absorb a section of thick bamboo, second pipeline and third pipeline discharge with the hydrops through the cooperation of check valve.
Preferably, the dilution injection assembly comprises an injection cylinder, a fourth pipeline, a second piston, a second push-pull rod, a second operating handle, an injection hopper and a valve, wherein one end of the fourth pipeline is in threaded connection with the end of the injection cylinder, the other end of the fourth pipeline is in threaded connection with the end of the branch pipe, the second piston is connected in the injection cylinder in a sliding manner, the second push-pull rod is fixed on the end surface of the second piston, the second operating handle is fixed on the end part of the second push-pull rod, the injection hopper is fixed outside the injection cylinder and is communicated with the injection cylinder, and the valve is mounted on the injection hopper.
Through adopting above-mentioned technical scheme, utilize to dilute the injection subassembly and can conveniently pour into normal saline into to the thick hydrops into, normal saline can fill into through the injection on the injection cylinder and join, can drive the motion of second catch bar through promoting the second operation handle, drives the second piston and produces pressure to the normal saline that pours into in the cylinder into to can pour into normal saline into the fourth pipeline.
Preferably, the hydrops collection subassembly includes a collection section of thick bamboo, a plurality of elastic bandage, keeps off the ring and dodges the hole, a plurality of the elastic bandage is fixed respectively on the collection section of thick bamboo rampart, keep off ring threaded connection in the collection section of thick bamboo, it establishes to dodge the hole keep off on the ring.
Through adopting above-mentioned technical scheme, utilize the flourishing hydrops of connecing that tumour liquid collection device can be convenient, and the third pipeline can be tightened with the elastic bandage and fix at the cylinder sidewall, keep off the ring and can effectively prevent that the hydrops from leaking.
Preferably, a first fixing disc is fixed at the end part of the second pipeline, a second fixing disc is fixed at the end part of the third pipeline, the first fixing disc is connected with the second fixing disc through a plurality of locking bolts, an annular groove is jointly formed in the first fixing disc and the second fixing disc, and an annular sealing ring is arranged in the annular groove.
Through adopting above-mentioned technical scheme, can realize the sealing connection of second pipeline and third pipeline through utilizing first fixed disk, second fixed disk, locking bolt and annular seal ring.
Preferably, the tip comprises a conical part, a vertical part and a threaded part, the conical part, the vertical part and the threaded part are integrally formed, and the threaded part is in threaded connection with the end of the puncture needle.
By adopting the technical scheme, the end can be conveniently detached from the end part of the puncture needle for disinfection and cleaning, and is convenient.
Further, the surface of the puncture needle is coated with an antifouling coating, and the antifouling coating is prepared by the following method:
taking the following raw materials in parts by weight for standby: 120-140 parts of polytetrafluoroethylene, 80-100 parts of alkanolamide, 60-80 parts of ethylene glycol distearate, 40-50 parts of polydimethylsiloxane, 40-50 parts of dimethyl adipate, 20-30 parts of potassium oleate, 20-30 parts of sodium laureth sulfate, 20-30 parts of diphenylethanone, 10-15 parts of hydroxyethylated fatty amine and 10-15 parts of sodium citrate;
s1, preparing an antifouling coating pre-preparation liquid; mixing and stirring polytetrafluoroethylene, alkanolamide, ethylene glycol distearate, polydimethylsiloxane and dimethyl adipate uniformly, adding the mixture into a reaction kettle, heating the mixture to the temperature of 240 ℃ and 250 ℃, and then preserving heat for 10-20 min;
s2, preparing an antifouling coating solution: cooling the antifouling coating pre-preparation liquid obtained in the step S1 to 190 ℃, adding potassium oleate, sodium laureth sulfate, diphenylethanone, hydroxyethylated fatty amine and sodium citrate, uniformly mixing, and cooling to 140 ℃ to obtain an antifouling coating solution;
s3, coating: spraying the antifouling coating solution obtained in the step S2 on the surface of the puncture needle by using a high-pressure spray gun in a vacuum high-temperature spraying manner;
s4, drying: and naturally drying the puncture needle obtained in the step S3.
By adopting the technical scheme, the antifouling coating on the surface of the puncture needle can avoid the problem that the puncture needle is difficult to clean.
In summary, the invention mainly has the following beneficial effects:
when the device is used, an operator can perform puncture operation by using the puncture needle, and the puncture needle can be left in the body after being completely punctured to start the negative pressure drainage device to perform drainage operation; in addition, after the puncture of the puncture needle is finished, the puncture needle can be fixed by using the fixing assembly, so that the puncture needle is prevented from shaking; moreover, when the effusion is viscous, an operator can inject a little physiological saline into the abdominal cavity through the dilution injection assembly through the hollow pipe barrel, the connecting assembly, the cavity in the puncture needle and the perfusion hole on the end head, so as to dilute the viscous effusion, thereby improving the drainage effect; moreover, the operation of holding by an operator can be conveniently carried out for drainage by utilizing the holding assembly arranged outside the hollow pipe barrel.
Drawings
FIG. 1 is a schematic view of the structure of a drainage device for oncology;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a cross-sectional view of the drainage device for oncology;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is an enlarged view at C in FIG. 3;
FIG. 6 is an enlarged view at D of FIG. 3;
FIG. 7 is an enlarged view at E in FIG. 3;
FIG. 8 is an enlarged view at F in FIG. 3;
fig. 9 is an enlarged view at G in fig. 3.
Reference numerals: 1. puncturing needle; 10. a cavity; 11. a drainage tube; 12. a tip; 121. an irrigation hole; 2. a connecting assembly; 13. a hollow tube barrel; 131. a branch pipe; 3. a fixing assembly; 4. a gripping assembly; 5. a fastening assembly; 14. a first conduit; 6. a negative pressure suction assembly; 7. a dilution injection assembly; 8. an accumulated liquid collecting assembly; 21. connecting the pipe barrel; 22. a first threaded joint portion; 23. a second threaded joint portion; 24. a first end plate; 25. a second end plate; 31. a fixing plate; 32. a threaded rod; 33. a suction cup; 34. a handle; 41. a rectangular tube barrel; 42. a stud; 43. a channel; 44. a threaded ring sleeve; 45. handshaking; 51. a third threaded joint portion; 52. an annular joint; 53. an annular sealing gasket; 61. a suction cylinder; 62. a one-way valve; 63. a first piston; 64. a first push-pull rod; 65. a first operation handle; 66. a second conduit; 67. a third pipeline; 71. an injection cylinder; 72. a fourth conduit; 73. a second piston; 74. a second push-pull rod; 75. a second operating handle; 76. an injection hopper; 77. a valve; 81. a collection canister; 82. an elastic bandage; 83. a baffle ring; 84. avoiding holes; 661. a first fixed disk; 671. a second fixed disk; 672. locking the bolt; 662. an annular groove; 663. an annular seal ring; 122. a tapered portion; 123. a vertical portion; 124. a threaded portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 and 3, a drainage device for oncology includes a puncture needle 1, wherein a cavity 10 is formed in the puncture needle 1, and the puncture needle 1 has a length of 20cm and a diameter of 3 mm; the device also comprises the following parts:
a drainage tube 11 arranged in the cavity 10 in the puncture needle 1, wherein the drainage tube 11 is used for drainage after puncture;
a tip 12 arranged at the end of the puncture needle 1, wherein the tip 12 has a conical surface, one end of the drainage tube 11 extends through the tip 12, and the tip 12 is further provided with four perfusion holes 121 for irrigating physiological saline;
a hollow tube barrel 13 connected to the top of the puncture needle 1 through a connecting component 2, wherein a branch tube 131 is welded and fixed on the hollow tube barrel 13, and the branch tube 131 is mutually communicated with the interior of the hollow tube barrel 13;
a fixing component 3 arranged on the connecting component 2, wherein the fixing component 3 is used for fixing on the body of the patient after the puncture needle 1 is punctured so as to prevent the puncture needle 1 from shaking;
the holding component 4 is arranged outside the hollow tube 13 and is used for facilitating the holding operation of a doctor, and the holding component can facilitate the holding operation of an operator;
a first conduit 14 connected to the top end of the draft tube 11 by a fastening assembly 5;
the negative pressure suction assembly 6 is arranged at the end part of the first pipeline 14, and a negative pressure suction device is used for sucking accumulated liquid;
a dilution injection assembly 7 connected to the end of the branch pipe 131, wherein the physiological saline can flow out from the interior of the hollow barrel 13, the interior of the connection assembly 2, the cavity 10 in the puncture needle 1 and the irrigation hole 121 on the tip 12 by means of the dilution injection assembly 7;
and a effusion collection assembly 8 for collecting effusion sucked out by the negative pressure suction assembly 6;
when the device is used, an operator can perform puncture operation by using the puncture needle 1, and the puncture needle 1 can be left in the body after being completely punctured to start the negative pressure drainage device to perform drainage operation; in addition, after the puncture of the puncture needle 1 is finished, the puncture needle 1 can be fixed by the fixing component 3 to prevent the puncture needle from shaking; moreover, when the effusion is viscous, an operator can inject a little physiological saline into the abdominal cavity through the dilution injection assembly 7 through the hollow barrel 13, the connecting assembly 2, the cavity 10 in the puncture needle 1 and the perfusion hole 121 on the end head 12, so as to dilute the viscous effusion, thereby improving the drainage effect; furthermore, drainage can be performed by using the holding assembly 4 installed outside the hollow tube 13 to facilitate the holding operation of an operator.
Referring to fig. 3 and 4, in which the connection assembly 2 includes a connection tube 21, a first nipple portion 22, a second nipple portion 23, a first end plate 24 and a second end plate 25, the connection tube 21 is located between the hollow tube 13 and the end of the puncture needle 1, the first nipple portion 22 and the second nipple portion 23 are respectively integrally formed at both ends of the connection tube 21, the first end plate 24 and the second end plate 25 are respectively integrally formed outside the connection tube 21, the first nipple portion 22 is threadedly connected to the end of the puncture needle 1, the second nipple portion 23 is threadedly connected to the end of the hollow tube 13, the connection and disconnection between the hollow tube 13 and the puncture needle 1 can be facilitated by the connection assembly 2, when connection is required, the first nipple portion 22 can be threadedly connected to the end of the puncture needle 1, the second nipple portion 23 can be threadedly connected to the end of the hollow tube 13, is more convenient.
Referring to fig. 1, the fixing assembly 3 includes a fixing plate 31, two threaded rods 32, two suckers 33 and two handles 34, the fixing plate 31 is vertically and adjustably installed outside the connecting assembly 2, the two threaded rods 32 are respectively and threadedly connected to the fixing plate 31, the two suckers 33 are respectively fixed at the ends of the threaded rods 32, the two handles 34 are respectively fixed at one ends of the threaded rods 32 far away from the suckers 33, after the puncture needle 1 completes puncture, an operator can adjust the position of the fixing plate 31, and then the threaded rods 32 can be rotated to drive the suckers 33 to adjust the position, so that the two suckers 33 are adsorbed on the skin of a patient, and thus the puncture needle 1 can be fixed.
Referring to fig. 1 and 2, the holding assembly 4 includes a rectangular tube 41, a stud 42, a groove 43, a threaded collar 44, and a handle 45, the rectangular tube 41 is slidably connected to the outside of the hollow tube 13, the stud 42 is fixedly welded to the outside of the hollow tube 13, the groove 43 is provided on the rectangular tube 41 for a screw to pass through, the threaded collar 44 is threadedly connected to the outside of the stud 42, the handle 45 is fixedly welded to the outside of the rectangular tube 41, the holding assembly 4 is utilized to facilitate the holding operation of an operator, the position of the handle 45 can be adjusted according to the convenience of the operation, the operator can pull the rectangular tube 41 to slide when adjusting, adjust the position of the groove 43 relative to the stud 42, and then the threaded collar 44 is tightened to achieve locking, which is very convenient.
Referring to fig. 3 and 5, the fastening assembly 5 includes a third nipple portion 51, an annular joint 52 and an annular sealing washer 53, the third nipple portion 51 is fixed at one end of the first pipe 14 close to the draft tube 11, the annular joint 52 is fixed at one end of the draft tube 11 close to the first pipe 14, the front cross-section of the annular joint 52 is L-shaped, the annular sealing washer 53 is fixed at the end of the third nipple portion 51, the fastening assembly 5 can be used for conveniently realizing the connection between the first pipe 14 and the draft tube 11, the connection can be realized after the annular joint 52 is screwed into the third nipple portion 51, and the sealing effect of the connection can be improved by the annular sealing washer 53.
Referring to fig. 3 and 6, the negative pressure suction assembly 6 includes a suction cylinder 61, a check valve 62, a first piston 63, a first push-pull rod 64, a first operating handle 65, a second pipeline 66 and a third pipeline 67, one end of the suction cylinder 61 is connected to the end of the first pipeline 14 by a screw thread, the check valve 62 is installed on the suction cylinder 61, the first piston 63 is slidably connected in the suction cylinder 61, the first push-pull rod 64 is fixed on the end surface of the piston, the first operating handle 65 is fixed on the end of the first push-pull rod 64, the second pipeline 66 is fixed outside the suction cylinder 61, the second pipeline 66 is communicated with the suction cylinder 61, the third pipeline 67 is detachably connected to the end of the second pipeline 66, the negative pressure suction assembly 6 can generate negative pressure to suck the accumulated liquid, when an operator pulls the first push-pull rod 64, the first piston 63 can be driven to generate negative pressure in the suction cylinder 61 to suck, the accumulated liquid can pass through the suction cylinder 61 by the cooperation of the check valve 62, The second duct 66 and the third duct 67 discharge.
Referring to fig. 3 and 7, the dilution injection assembly 7 includes an injection cylinder 71, a fourth pipe 72, a second piston 73, a second push-pull rod 74, a second operating handle 75, an injection bucket 76, and a valve 77, wherein one end of the fourth pipe 72 is screwed to the end of the injection pipe, the other end of the fourth pipe 72 is screwed to the end of the branch pipe 131, the second piston 73 is slidably connected to the injection cylinder 71, the second push-pull rod 74 is fixed to the end surface of the second piston 73, the second operating handle 75 is fixed to the end of the second push-pull rod 74, the injection bucket 76 is fixed to the outside of the injection cylinder 71 and is communicated with the injection cylinder 71, the valve 77 is mounted on the injection bucket 76, the dilution injection assembly 7 can be used to conveniently inject saline into the viscous effusion, the saline can be added through the injection bucket 76 on the injection cylinder 71, the second push rod can be driven to move by pushing the second operating handle 75, so as to drive the second piston 73 to generate pressure on the saline in the injection cylinder 71, so that the saline can be injected into the fourth tube 72.
Referring to fig. 3 and 8, the effusion collection assembly 8 includes a collection cylinder 81, a plurality of elastic bandages 82, a retaining ring 83 and a avoiding hole 84, the plurality of elastic bandages 82 are respectively fixed on the wall of the collection cylinder 81, the retaining ring 83 is screwed in the collection cylinder 81, the avoiding hole 84 is opened on the retaining ring 83, the effusion can be conveniently received by the tumor fluid collection device, the third pipeline 67 can be fastened and fixed on the side wall of the collection cylinder 81 by the elastic bandages 82, and the retaining ring 83 can effectively prevent the effusion from leaking.
Referring to fig. 3 and 6, a first fixing plate 661 is fixed to an end of the second pipe 66, a second fixing plate 671 is fixed to an end of the third pipe 67, the first fixing plate 661 and the second fixing plate 671 are connected through four locking bolts 672, an annular groove 662 is formed in the first fixing plate 661 and the second fixing plate 671 together, an annular sealing ring 663 is formed in the annular groove 662, and the sealing connection between the second pipe 66 and the third pipe 67 can be achieved by using the first fixing plate 661, the second fixing plate 671, the locking bolts 672 and the annular sealing washer 53.
Referring to fig. 3 and 9, the tip 12 includes a tapered portion 122, an upright portion 123 and a threaded portion 124, the tapered portion 122, the upright portion 123 and the threaded portion 124 are integrally formed, the threaded portion 124 is screwed on the end of the puncture needle 1, and the tip 12 can be conveniently detached from the end of the puncture needle 1 for sterilization and cleaning.
The use principle and the advantages are as follows:
when the device is used, an operator can perform puncture operation by using the puncture needle 1, the puncture needle 1 can be left in the body after being completely punctured to start the negative pressure drainage device to perform drainage operation, the operator can drive the first piston 63 to generate negative pressure in the suction cylinder 61 to suck when pulling the first push-pull rod 64, and effusion can be discharged through the suction cylinder 61, the second pipeline 66 and the third pipeline 67 by matching the one-way valve 62; after the puncture needle 1 finishes puncturing, the puncture needle 1 can be fixed by the fixing component 3 to prevent the puncture needle 1 from shaking, and after the puncture needle 1 finishes puncturing, an operator can adjust the position of the fixing plate 31 and then can rotate the threaded rod 32 to drive the suction cups 33 to adjust the positions, so that the two suction cups 33 are adsorbed on the skin of a patient, and the puncture needle 1 can be fixed; when the effusion is viscous, an operator can inject a little physiological saline into the abdominal cavity through the dilution injection assembly 7 through the hollow barrel 13, the connecting assembly 2, the cavity 10 in the puncture needle 1 and the perfusion hole 121 on the end head 12 to dilute the viscous effusion, the physiological saline can be added through the injection hopper 76 on the injection barrel 71, the second push rod can be driven to move by pushing the second operating handle 75, the second piston 73 is driven to generate pressure on the physiological saline in the injection barrel 71, and the physiological saline can be injected into the fourth pipeline 72, so that the drainage effect is improved; drainage can be performed by using the holding assembly 4 installed outside the hollow tube 13 to facilitate the holding operation of an operator.
Example 2
The difference from example 1 is that: the surface of the puncture needle 1 is coated with a layer of antifouling coating, because when a patient is treated, the puncture needle 1 needs to be punctured, the surface of the puncture needle 1 is not easy to clean due to the fact that effusion is polluted, and the puncture needle 1 is convenient to clean, so the surface of the puncture needle 1 is coated with the antifouling coating, wherein the antifouling coating is prepared by the following method:
taking the following raw materials in parts by weight for standby: 120 parts of polytetrafluoroethylene, 80 parts of alkanolamide, 60 parts of ethylene glycol distearate, 40 parts of polydimethylsiloxane, 40 parts of dimethyl adipate, 20 parts of potassium oleate, 20 parts of sodium laureth sulfate, 20 parts of diphenylethanone, 10 parts of hydroxyethylated fatty amine and 10 parts of sodium citrate;
s1, preparing an antifouling coating pre-preparation liquid; mixing and stirring polytetrafluoroethylene, alkanolamide, ethylene glycol distearate, polydimethylsiloxane and dimethyl adipate uniformly, adding the mixture into a reaction kettle, heating to 240 ℃, and then preserving heat for 10 min;
s2, preparing an antifouling coating solution: cooling the antifouling coating pre-preparation liquid obtained in the step S1 to 180 ℃, adding potassium oleate, sodium laureth sulfate, diphenylethanone, hydroxyethylated fatty amine and sodium citrate, mixing uniformly, and cooling to 130 ℃ to obtain an antifouling coating solution;
s3, coating: spraying the antifouling coating solution obtained in the step S2 on the surface of the puncture needle 1 by using a high-pressure spray gun in a vacuum high-temperature spraying manner;
s4, drying: the puncture needle 1 obtained in S3 is naturally dried.
The anti-fouling coating on the surface of the puncture needle 1 can avoid the problem that the puncture needle 1 is difficult to clean.
Example 3
The difference from the example 2 lies in the preparation of the antifouling coating on the surface of the puncture needle 1, wherein the antifouling coating is prepared by the following method:
taking the following raw materials in parts by weight for standby: 124 parts of polytetrafluoroethylene, 84 parts of alkanolamide, 64 parts of ethylene glycol distearate, 43 parts of polydimethylsiloxane, 43 parts of dimethyl adipate, 20 parts of potassium oleate, 20 parts of sodium laureth sulfate, 20 parts of diphenylethanone, 10 parts of hydroxyethylated fatty amine and 10 parts of sodium citrate;
s1, preparing an antifouling coating pre-preparation liquid; mixing and stirring polytetrafluoroethylene, alkanolamide, ethylene glycol distearate, polydimethylsiloxane and dimethyl adipate uniformly, adding the mixture into a reaction kettle, heating to 243 ℃, and then preserving heat for 10 min;
s2, preparing an antifouling coating solution: cooling the antifouling coating pre-preparation liquid obtained in the step S1 to 180 ℃, adding potassium oleate, sodium laureth sulfate, diphenylethanone, hydroxyethylated fatty amine and sodium citrate, mixing uniformly, and cooling to 130 ℃ to obtain an antifouling coating solution;
s3, coating: spraying the antifouling coating solution obtained in the step S2 on the surface of the puncture needle 1 by using a high-pressure spray gun in a vacuum high-temperature spraying manner;
s4, drying: the puncture needle 1 obtained in S3 is naturally dried.
Example 4
The difference from the example 2 lies in the preparation of the antifouling coating on the surface of the puncture needle 1, wherein the antifouling coating is prepared by the following method:
taking the following raw materials in parts by weight for standby: 128 parts of polytetrafluoroethylene, 88 parts of alkanolamide, 68 parts of ethylene glycol distearate, 45 parts of polydimethylsiloxane, 45 parts of dimethyl adipate, 25 parts of potassium oleate, 25 parts of sodium laureth sulfate, 25 parts of diphenylethanone, 10 parts of hydroxyethylated fatty amine and 10 parts of sodium citrate;
s1, preparing an antifouling coating pre-preparation liquid; mixing and stirring polytetrafluoroethylene, alkanolamide, ethylene glycol distearate, polydimethylsiloxane and dimethyl adipate uniformly, adding the mixture into a reaction kettle, heating to 240 ℃, and then preserving heat for 10 min;
s2, preparing an antifouling coating solution: cooling the antifouling coating pre-preparation liquid obtained in the step S1 to 182 ℃, adding potassium oleate, sodium laureth sulfate, diphenylethanone, hydroxyethylated fatty amine and sodium citrate, uniformly mixing, and cooling to 135 ℃ to obtain an antifouling coating solution;
s3, coating: spraying the antifouling coating solution obtained in the step S2 on the surface of the puncture needle 1 by using a high-pressure spray gun in a vacuum high-temperature spraying manner;
s4, drying: the puncture needle 1 obtained in S3 is naturally dried.
Example 5
The difference from the example 2 lies in the preparation of the antifouling coating on the surface of the puncture needle 1, wherein the antifouling coating is prepared by the following method:
taking the following raw materials in parts by weight for standby: 130 parts of polytetrafluoroethylene, 90 parts of alkanolamide, 70 parts of ethylene glycol distearate, 45 parts of polydimethylsiloxane, 40 parts of dimethyl adipate, 20 parts of potassium oleate, 20 parts of sodium laureth sulfate, 20 parts of diphenylethanone, 10 parts of hydroxyethylated fatty amine and 10 parts of sodium citrate;
s1, preparing an antifouling coating pre-preparation liquid; mixing and stirring polytetrafluoroethylene, alkanolamide, ethylene glycol distearate, polydimethylsiloxane and dimethyl adipate uniformly, adding the mixture into a reaction kettle, heating to 245 ℃, and then preserving heat for 10 min;
s2, preparing an antifouling coating solution: cooling the antifouling coating pre-preparation liquid obtained in the step S1 to 185 ℃, adding potassium oleate, sodium laureth sulfate, diphenylethanone, hydroxyethylated fatty amine and sodium citrate, uniformly mixing, and cooling to 135 ℃ to obtain an antifouling coating solution;
s3, coating: spraying the antifouling coating solution obtained in the step S2 on the surface of the puncture needle 1 by using a high-pressure spray gun in a vacuum high-temperature spraying manner;
s4, drying: the puncture needle 1 obtained in S3 is naturally dried.
Example 6
The difference from the example 2 lies in the preparation of the antifouling coating on the surface of the puncture needle 1, wherein the antifouling coating is prepared by the following method:
taking the following raw materials in parts by weight for standby: 140 parts of polytetrafluoroethylene, 100 parts of alkanolamide, 80 parts of ethylene glycol distearate, 50 parts of polydimethylsiloxane, 50 parts of dimethyl adipate, 30 parts of potassium oleate, 30 parts of sodium laureth sulfate, 30 parts of diphenylethanone, 15 parts of hydroxyethylated fatty amine and 15 parts of sodium citrate;
s1, preparing an antifouling coating pre-preparation liquid; mixing and stirring polytetrafluoroethylene, alkanolamide, ethylene glycol distearate, polydimethylsiloxane and dimethyl adipate uniformly, adding the mixture into a reaction kettle, heating to 240 ℃, and then preserving heat for 10 min;
s2, preparing an antifouling coating solution: cooling the antifouling coating pre-preparation liquid obtained in the step S1 to 180 ℃, adding potassium oleate, sodium laureth sulfate, diphenylethanone, hydroxyethylated fatty amine and sodium citrate, mixing uniformly, and cooling to 130 ℃ to obtain an antifouling coating solution;
s3, coating: spraying the antifouling coating solution obtained in the step S2 on the surface of the puncture needle 1 by using a high-pressure spray gun in a vacuum high-temperature spraying manner;
s4, drying: the puncture needle 1 obtained in S3 is naturally dried.
Example 7
The difference from the example 2 lies in the preparation of the antifouling coating on the surface of the puncture needle 1, wherein the antifouling coating is prepared by the following method:
taking the following raw materials in parts by weight for standby: 140 parts of polytetrafluoroethylene, 100 parts of alkanolamide, 80 parts of ethylene glycol distearate, 50 parts of polydimethylsiloxane, 50 parts of dimethyl adipate, 30 parts of potassium oleate, 30 parts of sodium laureth sulfate, 30 parts of diphenylethanone, 15 parts of hydroxyethylated fatty amine and 15 parts of sodium citrate;
s1, preparing an antifouling coating pre-preparation liquid; mixing and stirring polytetrafluoroethylene, alkanolamide, ethylene glycol distearate, polydimethylsiloxane and dimethyl adipate uniformly, adding the mixture into a reaction kettle, heating to 250 ℃, and then preserving heat for 20 min;
s2, preparing an antifouling coating solution: cooling the antifouling coating pre-preparation liquid obtained in the step S1 to 190 ℃, adding potassium oleate, sodium laureth sulfate, diphenylethanone, hydroxyethylated fatty amine and sodium citrate, mixing uniformly, and cooling to 140 ℃ to obtain an antifouling coating solution;
s3, coating: spraying the antifouling coating solution obtained in the step S2 on the surface of the puncture needle 1 by using a high-pressure spray gun in a vacuum high-temperature spraying manner;
s4, drying: the puncture needle 1 obtained in S3 is naturally dried.
The puncture needles 1 coated with the antifouling coatings of examples 2 to 7 were subjected to surface hardness and peel strength tests, and for the sake of comparison, the data of all examples were normalized based on the data of example 2.
TABLE 1
| Surface hardness | Peel strength | |
| Example 2 | 100% | 100% |
| Example 3 | 98% | 99% |
| Example 4 | 97% | 101% |
| Example 5 | 108% | 107% |
| Example 6 | 103% | 99% |
| Example 7 | 102% | 98% |
From the above, since the test results of the surface hardness and the peel strength of the puncture needle 1 in example 5 are higher than those of the other examples coated with the antifouling coating, the preparation method of the antifouling coating given in example 5 is the most preferable choice.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A drainage device for oncology department, includes pjncture needle (1), have cavity (10) in pjncture needle (1), its characterized in that: further comprising:
a drainage tube (11) arranged in the cavity (10) in the puncture needle (1);
the end head (12) is arranged at the end part of the puncture needle (1), the end head (12) is provided with a conical surface, one end of the drainage tube (11) extends outwards to penetrate through the end head (12), and the end head (12) is also provided with a plurality of perfusion holes (121);
the hollow tube barrel (13) is connected to the top of the puncture needle (1) through a connecting component (2), a branch tube (131) is fixedly welded on the hollow tube barrel (13), and the branch tube (131) is communicated with the interior of the hollow tube barrel (13);
a fixing component (3) arranged on the connecting component (2), wherein the fixing component (3) is used for fixing on the body of a patient after the puncture needle (1) punctures;
a gripping assembly (4) disposed outside the hollow tube (13) for facilitating a handheld operation by a physician;
a first conduit (14) connected to the top end of the drainage tube (11) by a fastening assembly (5);
a negative pressure suction assembly (6) mounted at the end of the first conduit (14);
a dilution injection assembly (7) connected to the end of the branch tube (131), with which dilution injection assembly (7) physiological saline can flow out from the interior of the hollow barrel (13), the interior of the connection assembly (2), the cavity (10) in the puncture needle (1) and the irrigation hole (121) on the tip (12);
and a liquid loading collecting component (8) for collecting liquid loading sucked out by the negative pressure suction component (6);
the negative pressure suction assembly (6) comprises a suction cylinder (61), a one-way valve (62), a first piston (63), a first push-pull rod (64), a first operating handle (65), a second pipeline (66) and a third pipeline (67), one end of the suction cylinder (61) is connected with the end part of the first pipeline (14) in a threaded manner, the one-way valve (62) is arranged on the suction cylinder (61), the first piston (63) is connected in the suction cylinder (61) in a sliding way, the first push-pull rod (64) is fixed on the end surface of the first piston (63), the first operating handle (65) is fixed at the end part of the first push-pull rod (64), the second pipeline (66) is fixed outside the suction cylinder (61), the second pipeline (66) and the suction cylinder (61) are communicated with each other, the third pipeline (67) is detachably connected to the end part of the second pipeline (66);
a first fixed disk (661) is fixed to the end of the second pipeline (66), a second fixed disk (671) is fixed to the end of the third pipeline (67), the first fixed disk (661) and the second fixed disk (671) are connected through a plurality of locking bolts (672), an annular groove (662) is jointly formed in the first fixed disk (661) and the second fixed disk (671), and an annular sealing ring (663) is arranged in the annular groove (662);
the tip (12) comprises a conical part (122), a vertical part (123) and a threaded part (124), the conical part (122), the vertical part (123) and the threaded part (124) are integrally formed, and the threaded part (124) is in threaded connection with the end part of the puncture needle (1);
the surface of the puncture needle (1) is further coated with an antifouling coating, and the antifouling coating is prepared by the following method:
taking the following raw materials in parts by weight for standby: 120-140 parts of polytetrafluoroethylene, 80-100 parts of alkanolamide, 60-80 parts of ethylene glycol distearate, 40-50 parts of polydimethylsiloxane, 40-50 parts of dimethyl adipate, 20-30 parts of potassium oleate, 20-30 parts of sodium laureth sulfate, 20-30 parts of diphenylethanone, 10-15 parts of hydroxyethylated fatty amine and 10-15 parts of sodium citrate;
s1, preparing an antifouling coating pre-preparation liquid; mixing and stirring polytetrafluoroethylene, alkanolamide, ethylene glycol distearate, polydimethylsiloxane and dimethyl adipate uniformly, adding the mixture into a reaction kettle, heating the mixture to the temperature of 240 ℃ and 250 ℃, and then preserving heat for 10-20 min;
s2, preparing an antifouling coating solution: cooling the antifouling coating pre-preparation liquid obtained in the step S1 to 190 ℃, adding potassium oleate, sodium laureth sulfate, diphenylethanone, hydroxyethylated fatty amine and sodium citrate, uniformly mixing, and cooling to 140 ℃ to obtain an antifouling coating solution;
s3, coating: spraying the antifouling coating solution obtained in the step S2 on the surface of the puncture needle (1) by using a high-pressure spray gun in a vacuum high-temperature spraying manner;
s4, drying: and (4) naturally drying the puncture needle (1) obtained in the step (S3).
2. The drainage device for oncology according to claim 1, wherein: the connecting assembly comprises a connecting pipe barrel (21), a first threaded joint part (22), a second threaded joint part (23), a first end plate (24) and a second end plate (25), the connecting pipe barrel (21) is located between the hollow pipe barrel (13) and the end part of the puncture needle (1), the first threaded joint part (22) and the second threaded joint part (23) are respectively and integrally formed at two ends of the connecting pipe barrel (21), the first end plate (24) and the second end plate (25) are respectively and integrally formed outside the connecting pipe barrel (21), the first threaded joint part (22) is in threaded connection with the end part of the puncture needle (1), and the second threaded joint part (23) is in threaded connection with the end part of the hollow pipe barrel (13).
3. The drainage device for oncology according to claim 1, wherein: fixed subassembly (3) are including fixed plate (31), two threaded rods (32), two sucking discs (33) and two handles (34), install with adjustable fixed plate (31) is vertical the coupling assembling is outside, two threaded rods (32) threaded connection respectively is in on fixed plate (31), two sucking discs (33) are fixed respectively threaded rods (32) tip, two handle (34) are fixed respectively threaded rods (32) are kept away from the one end of sucking discs (33).
4. The drainage device for oncology according to claim 1, wherein: the holding assembly (4) comprises a rectangular pipe barrel (41), a stud (42), a channel (43), a threaded ring sleeve (44) and a holding hand (45), the rectangular pipe barrel (41) is vertically connected to the outside of the hollow pipe barrel (13) in a sliding mode, the stud (42) is fixedly welded to the outside of the hollow pipe barrel (13), the channel (43) is formed in the rectangular pipe barrel (41) and used for the stud (42) to penetrate through, the threaded ring sleeve (44) is connected to the outside of the stud (42) in a threaded mode, and the holding hand (45) is fixedly welded to the outside of the rectangular pipe barrel (41).
5. The drainage device for oncology according to claim 1, wherein: fastening components (5) include third screwed joint portion (51), annular joint (52) and annular seal ring (53), third screwed joint portion (51) are fixed first pipeline (14) are close to the one end of drainage tube (11), annular joint (52) are fixed drainage tube (11) are close to the one end of first pipeline (14), the normal cross-section of annular joint (52) is the L shape, annular seal ring (53) are fixed third screwed joint portion (51) tip.
6. The drainage device for oncology according to claim 1, wherein: the dilution injection assembly (7) comprises an injection cylinder (71), a fourth pipeline (72), a second piston (73), a second push-pull rod (74), a second operating handle (75), an injection hopper (76) and a valve (77), one end of the fourth pipeline (72) is in threaded connection with the end of the injection cylinder (71), the other end of the fourth pipeline (72) is in threaded connection with the end of the branch pipe (131), the second piston (73) is connected in the injection cylinder (71) in a sliding mode, the second push-pull rod (74) is fixed on the end face of the second piston (73), the second operating handle (75) is fixed on the end of the second push-pull rod (74), the injection hopper (76) is fixed outside the injection cylinder (71) and is communicated with the injection cylinder (71), and the valve (77) is installed on the injection hopper (76).
7. The drainage device for oncology according to claim 1, wherein: hydrops collection subassembly (8) include collector cylinder (81), a plurality of elastic bandage (82), keep off ring (83) and dodge hole (84), a plurality of elastic bandage (82) are fixed respectively on collector cylinder (81) rampart, keep off ring (83) threaded connection in collector cylinder (81), it establishes to dodge hole (84) keep off on ring (83).
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| CN110227188A (en) * | 2019-07-16 | 2019-09-13 | 重庆大学附属肿瘤医院 | Portable drainage bag |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2793955C (en) * | 2010-03-23 | 2018-01-16 | Wuhan Vsd Medical Science & Technology Co., Ltd. | Medical vacuum sealing drainage device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2860492Y (en) * | 2006-01-06 | 2007-01-24 | 周长青 | Drainage device for thoracocentesis |
| CN204766744U (en) * | 2015-06-29 | 2015-11-18 | 张辉凯 | Hepatology liver ascites aspirator |
| CN207220860U (en) * | 2017-01-22 | 2018-04-13 | 赵金城 | A kind of abdominocentesis drainage device |
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