CN114712581A - Sucker device suitable for negative pressure sealing drainage technology - Google Patents
Sucker device suitable for negative pressure sealing drainage technology Download PDFInfo
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- CN114712581A CN114712581A CN202210508492.XA CN202210508492A CN114712581A CN 114712581 A CN114712581 A CN 114712581A CN 202210508492 A CN202210508492 A CN 202210508492A CN 114712581 A CN114712581 A CN 114712581A
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- 238000005516 engineering process Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 title description 11
- 238000001179 sorption measurement Methods 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims 1
- 206010052428 Wound Diseases 0.000 description 45
- 208000027418 Wounds and injury Diseases 0.000 description 45
- 239000007789 gas Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- -1 polyethylene Polymers 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 210000000416 exudates and transudate Anatomy 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010011985 Decubitus ulcer Diseases 0.000 description 1
- 208000008960 Diabetic foot Diseases 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 208000004210 Pressure Ulcer Diseases 0.000 description 1
- 208000000558 Varicose Ulcer Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000011272 standard treatment Methods 0.000 description 1
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Abstract
The invention discloses a sucker device suitable for a negative pressure closed drainage technology, which comprises a sucker main body, a main negative pressure drainage tube and an auxiliary negative pressure drainage tube, wherein a negative pressure cavity with a downward opening is arranged in the middle of the sucker main body, an adsorption surface surrounding the opening at the lower end of the negative pressure cavity is arranged at the lower end of the sucker main body, the adsorption surface is flush with the opening at the lower end of the negative pressure cavity and is used for tightly adhering to the periphery of a wound dressing, the main negative pressure drainage tube is positioned outside the negative pressure cavity, the opening at the lower end of the main negative pressure drainage tube is communicated with the inside of the negative pressure cavity, the auxiliary negative pressure drainage tube is positioned inside the negative pressure cavity, and the opening at the upper end of the auxiliary negative pressure drainage tube is communicated with the main negative pressure drainage tube. Guarantee through the adsorption plane of sucking disc main part that the negative pressure chamber has enough negative pressure adsorption area on protecting wound dressing surface, do not take place to remove simultaneously and deformation, it is fixed convenient and firm, hoisting device's reliability and stability carry out negative pressure flowing back work simultaneously through main negative pressure drainage tube and vice negative pressure drainage tube, realize protecting wound dressing surface, the quick discharge of distal end and deep liquid, maintain the suitable humidity of the surface of a wound.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a sucker device suitable for a negative pressure closed drainage technology.
Background
The negative pressure closed drainage technology is a standard treatment mode for treating complex wound surfaces and deep drainage, a drainage tube is usually treated on the wound surface, the drainage tube is wrapped by medical wound protection dressing, and the wound protection dressing is closed by a biological semi-permeable film to form a closed drainage system, so that external bacteria invasion is prevented, blood circulation of the wound surface is improved, exudate is quickly discharged, and the effect of quick healing of the wound surface is achieved. The negative pressure closed drainage technology can be applied to the treatment of various chronic wounds, including pressure sores, diabetic feet, burns, varicose ulcers of lower limbs and the like.
At present, two drainage tubes are generally used clinically, one is a traditional drainage tube with holes, the drainage tube needs to be directly inserted into a wound dressing for negative pressure drainage, but the drainage tube has the problems of low drainage efficiency, difficult connection and fixation, easy blockage and the like; the other type is a sucker type drainage tube improved in the later period, the sucker can overcome the defects of the traditional drainage tube, but the sucker is not firmly fixed on a wound protection dressing, is easy to generate negative pressure liquid drainage dead angles, cannot discharge the exudate of a deep wound surface and the like.
Therefore, an urgent need exists in the art to provide a negative pressure sealing drainage device with firm fixation and complete drainage.
Disclosure of Invention
The invention aims to provide a sucker device suitable for a negative pressure closed drainage technology, which ensures that a main negative pressure drainage tube and an auxiliary negative pressure drainage tube simultaneously carry out negative pressure drainage work, realizes quick drainage of liquid on the surface, the far end and the deep part of a wound dressing and maintains proper humidity of a wound surface.
In order to solve the technical problem, the invention provides a sucker device suitable for a negative pressure closed drainage technology, which comprises a sucker main body, a main negative pressure drainage tube and an auxiliary negative pressure drainage tube, wherein a negative pressure cavity with a downward opening is arranged in the middle of the sucker main body, an adsorption surface surrounding the opening at the lower end of the negative pressure cavity is arranged at the lower end of the sucker main body, the adsorption surface is flush with the opening at the lower end of the negative pressure cavity and is used for tightly adhering to the periphery of a wound dressing, the main negative pressure drainage tube is positioned outside the negative pressure cavity, the opening at the lower end of the main negative pressure drainage tube is communicated with the inside of the negative pressure cavity, the auxiliary negative pressure drainage tube is positioned inside the negative pressure cavity, and the opening at the upper end of the auxiliary negative pressure drainage tube is communicated with the main negative pressure drainage tube.
Preferably, a plurality of liquid discharging holes for contacting the wound protecting dressing are arranged on the side wall of the auxiliary negative pressure drainage tube.
Preferably, the device comprises a plurality of auxiliary negative pressure drainage tubes connected in parallel, and the upper end of each auxiliary negative pressure drainage tube is communicated with the lower end of the main negative pressure drainage tube.
Preferably, the lower end of the main negative pressure drainage tube extends into the negative pressure cavity, a support is arranged at an opening at the lower end of the main negative pressure drainage tube, each auxiliary negative pressure drainage tube is connected with the support, a connecting through hole is arranged on the support, and the connecting through hole is directly communicated with the main negative pressure drainage tube and the negative pressure cavity.
Preferably, the negative pressure drainage tube further comprises a cleaning tube arranged outside the negative pressure cavity, the lower end opening of the cleaning tube is communicated with the main negative pressure drainage tube, and the upper end opening of the cleaning tube is communicated with a cleaning water source.
Preferably, still including set up in the outside gas inlet tube in negative pressure chamber, the lower extreme intercommunication of gas inlet tube the negative pressure chamber, the upper end opening intercommunication clean air supply of gas inlet tube.
Preferably, the edge of the adsorption surface is provided with a plurality of positioning bulges protruding downwards, and the plurality of positioning bulges surround the lower end opening of the negative pressure cavity.
Preferably, a plurality of beam frames are arranged on the inner wall of the negative pressure cavity.
Preferably, the lower end of the beam frame extends downwards, and the extending end of the lower end of the beam frame protrudes downwards from the adsorption surface.
Preferably, the positioning protrusions are cylinders with a height of 1.5mm, and the positioning protrusions are uniformly distributed on the peripheral edge of the adsorption surface.
The invention provides a sucker device suitable for a negative pressure closed drainage technology, which comprises a sucker main body, a main negative pressure drainage tube and an auxiliary negative pressure drainage tube, wherein a negative pressure cavity with a downward opening is arranged in the middle of the sucker main body, an adsorption surface surrounding the opening at the lower end of the negative pressure cavity is arranged at the lower end of the sucker main body, the adsorption surface is flush with the opening at the lower end of the negative pressure cavity and is used for tightly adhering to the periphery of a wound dressing, the main negative pressure drainage tube is positioned outside the negative pressure cavity, the opening at the lower end of the main negative pressure drainage tube is communicated with the inside of the negative pressure cavity, the auxiliary negative pressure drainage tube is positioned inside the negative pressure cavity, and the opening at the upper end of the auxiliary negative pressure drainage tube is communicated with the main negative pressure drainage tube.
Guarantee through the adsorption plane of sucking disc main part that the negative pressure chamber has enough negative pressure adsorption area on protecting wound dressing surface, do not take place to remove simultaneously and deformation, it is fixed convenient and firm, hoisting device's reliability and stability carry out negative pressure flowing back work simultaneously through main negative pressure drainage tube and vice negative pressure drainage tube, realize protecting wound dressing surface, distal end and the quick discharge of deep liquid, maintain the suitable humidity of the surface of a wound, hoisting device suitability.
Drawings
FIG. 1 is a schematic top view of one embodiment of a suction cup device suitable for use in the vacuum sealing drainage technique of the present invention;
FIG. 2 is a schematic bottom view of one embodiment of a suction cup device suitable for use in the vacuum sealing drainage technique of the present invention;
FIG. 3 is a schematic view of another bottom view of an embodiment of a suction cup device suitable for vacuum sealing drainage;
fig. 4 is a schematic structural view of a joint of a main negative pressure drainage tube and an auxiliary negative pressure drainage tube of a specific embodiment of a suction cup device suitable for a negative pressure closed drainage technology provided by the invention.
The vacuum suction cup comprises a suction cup main body 1, a main negative pressure drainage tube 2, an auxiliary negative pressure drainage tube 3, a cleaning tube 4, a gas inlet tube 5, a negative pressure cavity 6, a beam frame 7, a positioning bulge 8, a liquid discharge hole 9 and a communicating hole 10.
Detailed Description
The core of the invention is to provide a sucker device suitable for a negative pressure closed drainage technology, which ensures that a main negative pressure drainage tube and an auxiliary negative pressure drainage tube simultaneously carry out negative pressure drainage work, realizes the quick drainage of liquid on the surface, the far end and the deep part of a wound dressing and maintains the proper humidity of a wound surface.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, fig. 1 is a schematic top view of a suction cup device suitable for a negative pressure sealing drainage technique according to an embodiment of the present invention; FIG. 2 is a schematic bottom view of one embodiment of a suction cup device suitable for use in the vacuum sealing drainage technique of the present invention; FIG. 3 is a schematic view of another bottom view of an embodiment of a suction cup device suitable for vacuum sealing drainage; fig. 4 is a schematic structural view of a joint of a main negative pressure drainage tube and an auxiliary negative pressure drainage tube of a specific embodiment of a suction cup device suitable for a negative pressure closed drainage technology provided by the invention.
The invention provides a sucker device suitable for a negative pressure closed drainage technology, which comprises a sucker main body 1, a main negative pressure drainage tube 2 and an auxiliary negative pressure drainage tube 3, wherein one end of each part close to a wound surface is a lower end, one end far away from the wound surface is an upper end, a negative pressure cavity 6 is arranged in the middle of the sucker main body 1, the upper end of the negative pressure cavity 6 is closed, the lower end of the negative pressure cavity 6 is provided with a downward opening, meanwhile, the lower end of the sucker main body 1 is provided with an adsorption surface which is arranged around the lower end opening of the negative pressure cavity 6, the adsorption surface is flush with the lower end opening of the negative pressure cavity 6 and is used for tightly adhering to the periphery of a wound protecting dressing, the main negative pressure drainage tube 2 is positioned outside the negative pressure cavity 6, the lower end opening of the main negative pressure drainage tube 2 is communicated with the inside of the negative pressure cavity 6, the upper end opening of the main negative pressure drainage tube 2 is communicated with a negative pressure suction device, the auxiliary negative pressure drainage tube 3 is positioned inside the negative pressure cavity 6, and the upper end opening of the auxiliary negative pressure drainage tube 3 is communicated with the main negative pressure drainage tube 2, the lower end opening of the auxiliary negative pressure drainage tube 3 is used for contacting the position to be absorbed of the wound protecting dressing.
In the working process, the auxiliary negative pressure drainage tube 3 is inserted into the wound dressing, the main negative pressure drainage tube 2 is communicated with a negative pressure source, the sucker main body 1 is buckled on the wound dressing, the negative pressure cavity 6 completely covers the surface of the wound dressing through the adsorption surface of the sucker main body 1, the wound dressing provided with the sucker device is contacted with the wound surface and a sealing film is pasted on the surface of the wound dressing, the wound surface, the wound dressing, the sucker device and the negative pressure source form a sealing system after being tightly pasted, the negative pressure source is started, and the drainage tube is contacted with the surface, the far end and the deep part of the wound dressing, so that the exudate of the wound surface is sucked.
Guarantee through the adsorption plane of sucking disc main part 1 that negative pressure chamber 6 has enough negative pressure adsorption area on protecting wound dressing surface, do not take place to remove simultaneously and deform, it is fixed convenient and firm, hoisting device's reliability and stability, carry out negative pressure flowing back work simultaneously through main negative pressure drainage tube 2 and vice negative pressure drainage tube 3, realize protecting wound dressing surface, the quick discharge of distal end and deep liquid, avoid appearing the negative pressure flowing back dead angle, the exudate of the deep surface of a wound of can discharging smoothly, maintain the suitable humidity of the surface of a wound, hoisting device suitability.
Specifically, the suction cup body 1 may be a sheet-shaped member having a rectangular orthographic projection shape, the negative pressure cavity 6 is a cavity formed by upward arching the middle of the sheet-shaped member, the suction cup body 1 may also be a sheet-shaped member having another shape, such as a circular sheet or a hexagonal sheet, and the negative pressure cavity 6 may be formed by grooving the lower end surface of the suction cup body by using a block-shaped member.
The shape of the negative pressure cavity 6 can be one or more of a hemisphere, a semi-ellipsoid, a cuboid, a hexagonal prism and the like, the height of the negative pressure cavity 6 can be 0.5cm to 2.0cm, and the number of the negative pressure cavities 6 is 1 to 5. The main negative pressure drainage tube 2 is communicated with the negative pressure cavity 6, and the included angle between the main negative pressure drainage tube 2 at the outer side of the negative pressure cavity 6 and the horizontal plane of the sucker main body 1 is 0 degree (horizontal) to 90 degrees (vertical). Further preferably 0 ° to 30 °. The material of each component can be one or more of polyethylene, polypropylene, polyurethane, polystyrene, polyether ether ketone, silicon rubber, polylactic acid, polycaprolactone and polyvinyl alcohol, and is further preferably one or more of polyethylene, polyurethane and silicon rubber. Furthermore, all the parts can be integrally formed or spliced and assembled.
In order to improve the drainage rate of the wound surface and the wound protection dressing, a plurality of drainage holes 9 used for contacting the wound protection dressing are arranged on the side wall of the auxiliary negative pressure drainage tube 3. The shape of the liquid discharge holes 9 is one or more of a circle, a triangle, a rectangle, a pentagon and a hexagon, the size of the liquid discharge holes is 0.1mm to 5.0mm, and the distribution mode of the liquid discharge holes 9 can adopt one or more of equidistant distribution, symmetrical distribution and random distribution. Circular liquid discharge holes 9 with the diameter of 0.5mm are preferably arranged on the auxiliary negative pressure drainage tubes 3 at equal intervals and symmetrically.
In order to be suitable for different complex wound surface conditions, a plurality of auxiliary negative pressure drainage tubes 3 which are connected in parallel can be arranged and extend towards different directions to comprehensively cover the wound dressing and the wound surface, the upper end of each auxiliary negative pressure drainage tube 3 is communicated with the lower end of the main negative pressure drainage tube 2, the number of the auxiliary negative pressure drainage tubes 3 is 1 to 5, and the length of the auxiliary negative pressure drainage tubes is 1.0cm to 10.0 cm.
Further, the lower end of the main negative pressure drainage tube 2 extends into the negative pressure cavity 6, a support is arranged at the opening of the lower end of the main negative pressure drainage tube 2, the shape of the support is set according to the state of the auxiliary negative pressure drainage tube 3, such as a honeycomb support, each auxiliary negative pressure drainage tube 3 is connected with the support, meanwhile, a connection through hole 10 is arranged on the support, the connection through hole 10 is directly communicated with the main negative pressure drainage tube 2 and the negative pressure cavity 6, and the main negative pressure drainage tube 2 and the negative pressure cavity 6 can be directly communicated without passing through the auxiliary negative pressure drainage tube 3.
In the negative pressure closed drainage device provided by the specific embodiment of the invention, the negative pressure closed drainage device further comprises a cleaning pipe 4 arranged outside the negative pressure cavity 6, the lower end opening of the cleaning pipe 4 is communicated with the main negative pressure drainage pipe 2, the upper end opening of the cleaning pipe 4 is communicated with a cleaning water source, and cleaning liquid can be injected into the negative pressure cavity 6 through the main negative pressure drainage pipe 2, so that the negative pressure drainage system can be cleaned at any time in a treatment state. Still including setting up in the outside gaseous inlet tube 5 in negative pressure chamber 6, the lower extreme intercommunication negative pressure chamber 6 of gaseous inlet tube 5, the upper end opening intercommunication clean air supply of gaseous inlet tube 5 can ventilate in to negative pressure chamber 6, utilizes gaseous inlet tube 5 and negative pressure chamber 6 UNICOM, realizes in the leading-in negative pressure closed system of oxygen to do benefit to the healing of the surface of a wound.
On the basis that drainage device is sealed to negative pressure that each above-mentioned embodiment provided, adsorption surface edge is provided with a plurality of protruding location archs 8 downwards, and a plurality of location archs 8 set up around the lower extreme opening in negative pressure chamber 6, promote the firm degree of laminating. The cross-sectional shape of the positioning protrusions 8 can be one or more of circular, triangular, rectangular, pentagonal and hexagonal, the height is 0.5mm to 5.0mm, and the distribution mode is one or more of equidistant distribution, random distribution and peripheral edge distribution. Further preferably, the height of the cylindrical protrusion is 1.5mm, and the plurality of positioning protrusions 8 are uniformly distributed on the peripheral edge of the adsorption surface.
Furthermore, a plurality of beam frames 7 are arranged on the inner wall of the negative pressure cavity 6, so that the strength of the cavity is improved. The lower end of the beam frame 7 extends downwards, and the extending end of the lower end of the beam frame 7 protrudes downwards out of the adsorption surface. The beam frame 7 can be one or more of round, triangular and rectangular in cross section, the extension end protrudes out of the adsorption surface by 0.5mm to 5.0mm, and the extension end can be one or two of a flat end and a pointed end. It is further preferred that the beam 7 is rectangular in cross-section, extending 1.5mm and having a flat end at the bottom.
Several preferred embodiments are provided below:
example 1
The positive projection of the sucker main body 1 is rectangular and comprises 2 semi-ellipsoidal arched negative pressure cavities 6 which are 1.0cm high and are slightly overlapped; the inside of each negative pressure cavity 6 is supported by a rectangular beam frame 7, the beam frame 7 extends to the outside of the adsorption surface of the sucker main body 1 by 1.5mm, and the extension end is a flat end; the periphery of the adsorption surface at the lower end of the sucker main body 1 is provided with 10 cylindrical positioning bulges 8 with the diameter of 1.0mm and the height of 1.5 mm. A negative pressure cavity 6 of the sucker main body 1 is communicated with a main negative pressure drainage tube 2, and the main negative pressure drainage tube 2 at the outer side of the negative pressure cavity 6 is 0 degree to the sucker main body 1; 3 auxiliary negative pressure drainage tubes 3 with the length of 5.0cm are arranged at the port of the main negative pressure drainage tube 2 at the inner side of the negative pressure cavity 6, and circular liquid discharge holes 9 with the diameter of 0.5mm are symmetrically distributed on each auxiliary negative pressure drainage tube 3; the main negative pressure drainage tube 2 is provided with a communicating hole 10. A cleaning pipe 4 is arranged on the main negative pressure drainage pipe 2 at the outer side of the negative pressure cavity 6. A gas leading-in pipe 5 is arranged outside the other negative pressure cavity 6 of the non-communicated main negative pressure drainage pipe 2. The sucker body 1 is made of polyethylene materials through an integral forming method.
Example 2
The positive projection of the sucker main body 1 is rectangular and comprises 3 hemispherical arched negative pressure cavities 6 with the height of 1.5cm and slightly overlapped; the inside of each negative pressure cavity 6 is supported by a triangular beam frame 7, the beam frame 7 extends to 2.0mm outside the adsorption surface of the sucker main body 1, and the extension end is a tip; the periphery of the lower end adsorption surface of the sucker main body 1 is provided with 10 triangular bulges 8 with the side length of 2.0mm and the height of 2.0 mm. A negative pressure cavity 6 of the sucker main body 1 is communicated with a main negative pressure drainage tube 2, and the main negative pressure drainage tube 2 at the outer side of the negative pressure cavity 6 is at an angle of 20 degrees with the sucker main body 1; the port of the main negative pressure drainage tube 2 at the inner side of the negative pressure cavity 6 is provided with 1 auxiliary negative pressure drainage tube 3 with the length of 10.0cm, and a triangular liquid discharge hole 9 with the side length of 0.5mm is symmetrically distributed on each auxiliary negative pressure drainage tube 3; the main negative pressure drainage tube 2 is provided with a communicating hole 10. A cleaning pipe 4 is arranged on the main negative pressure drainage pipe 2 at the outer side of the negative pressure cavity 6. A gas inlet pipe 5 is arranged at the outer side of the negative pressure cavity 6 communicated with the main negative pressure drainage pipe 2. The sucker main body 1 is made of polyurethane materials by a splicing and assembling molding method.
Example 3
The orthographic projection of the sucker main body 1 is rectangular and comprises 1 hexagonal arched negative pressure cavity 6 with the height of 1.0 cm; the inside of each negative pressure cavity 6 is supported by a circular beam frame 7 with the diameter of 1.0mm, the beam frame 7 extends to 2.5mm out of the plane of the sucker main body 1, and the extending end is a flat end; the lower end surface of the sucker main body 1 is randomly distributed with 8 hexagonal bulges 8 with the side length of 0.4mm and the height of 2.5 mm. A negative pressure cavity 6 of the sucker main body 1 is communicated with a main negative pressure drainage tube 2, and the main negative pressure drainage tube 2 at the outer side of the negative pressure cavity 6 is at an angle of 45 degrees with the sucker main body 1; 2 auxiliary negative pressure drainage tubes 3 with the length of 8.0cm are arranged at the port of the main negative pressure drainage tube 2 at the inner side of the negative pressure cavity 6, and triangular liquid discharge holes 9 with the side length of 0.2mm are randomly distributed on each auxiliary negative pressure drainage tube 3; the main negative pressure drainage tube 2 is provided with a communicating hole 10. A cleaning pipe 4 is arranged on the main negative pressure drainage pipe 2 at the outer side of the negative pressure cavity 6. A gas inlet pipe 5 is arranged at the outer side of the negative pressure cavity 6 communicated with the main negative pressure drainage pipe 2. The sucker body 1 is made of silicon rubber material by an integral forming method.
Example 4
The orthographic projection of the sucker main body 1 is rectangular and comprises 2 hexagonal arched negative pressure cavities 6 with the height of 2.0cm and without overlapping; the inside of each negative pressure cavity 6 is supported by a rectangular beam frame 7, the beam frame 7 extends to 1.5mm out of the plane of the sucker main body 1, and the extending end is a tip; the periphery of the lower end surface of the sucker main body 1 is provided with 5 cylindrical protrusions 8 with the diameter of 1.0mm and the height of 1.5mm and 5 pentagonal protrusions 8 with the side length of 0.4mm and the height of 2.5 mm. A negative pressure cavity 6 of the sucker main body 1 is communicated with a main negative pressure drainage tube 2, and the main negative pressure drainage tube 2 at the outer side of the negative pressure cavity 6 forms an angle of 90 degrees with the sucker main body 1; 3 auxiliary negative pressure drainage tubes 3 with the length of 5.0cm are arranged at the port of the main negative pressure drainage tube 2 at the inner side of the negative pressure cavity 6, and pentagonal liquid discharge holes 9 with the side length of 0.2mm are equidistantly and symmetrically distributed on each auxiliary negative pressure drainage tube 3; the main negative pressure drainage tube 2 is provided with a communicating hole 10. A cleaning pipe 4 is arranged on the main negative pressure drainage pipe 2 at the outer side of the negative pressure cavity 6. A gas leading-in pipe 5 is arranged at the outer side of the other negative pressure cavity 6 of the non-communicated main negative pressure drainage pipe 2. The sucker body 1 is made of polystyrene by an integral forming method.
Example 5
The suction cup main body 1 has a rectangular orthographic projection and comprises 1 elliptic arched negative pressure cavity 6 with the height of 1.0cm and 1 rectangular arched negative pressure cavity 6 with the height of 1.0cm, and the two negative pressure cavities 6 are not overlapped; the inside of the oval negative pressure cavity 6 is supported by a rectangular beam frame 7, the beam frame 7 extends to 1.5mm out of the plane of the sucker main body 1, the extending end is a flat end, the inside of the rectangular arched negative pressure cavity 6 is supported by a circular beam frame 7, the beam frame 7 extends to 1.5mm out of the plane of the sucker main body 1, and the extending end is a tip end; the periphery of the lower end surface of the sucker main body 1 is provided with 4 cylindrical bulges 8 with the diameter of 1.0mm and the height of 1.5mm and 4 triangular bulges with the side length of 0.5 mm. The main negative pressure drainage tube 2 is communicated with the elliptic negative pressure cavity 6 of the sucker main body 1, and the main negative pressure drainage tube 2 at the outer side of the negative pressure cavity 6 is 0 degree to the sucker main body 1; the port of the main negative pressure drainage tube 2 at the inner side of the negative pressure cavity 6 is provided with 1 auxiliary negative pressure drainage tube 3 with the length of 10.0cm and 2 auxiliary negative pressure drainage tubes 3 with the length of 5.0cm, the auxiliary negative pressure drainage tube 3 with the length of 10.0cm is symmetrically provided with circular liquid discharge holes 9 with the diameter of 0.5mm, and the auxiliary negative pressure drainage tube 3 with the length of 5.0cm is randomly provided with triangular liquid discharge holes 9 with the side length of 0.5 mm; the main negative pressure drainage tube 2 is provided with a communicating hole 10. A cleaning pipe 4 is arranged on the main negative pressure drainage pipe 2 at the outer side of the oval negative pressure cavity 6. A gas inlet pipe 5 is arranged outside the rectangular negative pressure cavity 6. The sucker body 1 is made of polyethylene materials by a splicing and assembling molding method.
The size, the number, the arrangement mode and the material of each structure are adjusted according to the situation and are all within the protection scope of the invention.
The negative pressure closed drainage device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a sucking disc device suitable for drainage technique is sealed to negative pressure, a serial communication port, including sucking disc main part (1), main negative pressure drainage tube (2) and vice negative pressure drainage tube (3), sucking disc main part (1) middle part is provided with opening decurrent negative pressure chamber (6), sucking disc main part (1) lower extreme is provided with center on negative pressure chamber (6) lower extreme open-ended adsorption plane, the adsorption plane with negative pressure chamber (6) lower extreme opening parallel and level is used for pasting tightly to protect around the dressing, main negative pressure drainage tube (2) are located negative pressure chamber (6) outside, just main negative pressure drainage tube (2) lower extreme opening intercommunication negative pressure chamber (6) are inside, vice negative pressure drainage tube (3) are located inside negative pressure chamber (6), just vice negative pressure drainage tube (3) upper end opening intercommunication main negative pressure drainage tube (2).
2. The suction cup device suitable for the negative pressure closed drainage technique according to claim 1, wherein the side wall of the secondary negative pressure drainage tube (3) is provided with a plurality of liquid discharge holes (9) for contacting the wound dressing.
3. The suction cup device suitable for the negative pressure closed drainage technology according to claim 2, characterized by comprising a plurality of the auxiliary negative pressure drainage tubes (3) connected in parallel, wherein the upper end of each auxiliary negative pressure drainage tube (3) is communicated with the lower end of the main negative pressure drainage tube (2).
4. The suction cup device suitable for the negative pressure closed drainage technology according to claim 3, wherein the lower end of the main negative pressure drainage tube (2) extends into the negative pressure cavity (6), a bracket is arranged at the lower end opening of the main negative pressure drainage tube (2), each auxiliary negative pressure drainage tube (3) is connected with the bracket, a connection through hole (10) is arranged on the bracket, and the connection through hole (10) directly communicates the main negative pressure drainage tube (2) and the negative pressure cavity (6).
5. The suction cup device suitable for the negative pressure closed drainage technology according to claim 1, further comprising a cleaning tube (4) disposed outside the negative pressure cavity (6), wherein a lower end opening of the cleaning tube (4) is communicated with the main negative pressure drainage tube (2), and an upper end opening of the cleaning tube (4) is communicated with a cleaning water source.
6. The suction cup device suitable for the negative pressure closed drainage technology according to claim 1, further comprising a gas inlet pipe (5) disposed outside the negative pressure cavity (6), wherein a lower end of the gas inlet pipe (5) is communicated with the negative pressure cavity (6), and an upper end opening of the gas inlet pipe (5) is communicated with a clean gas source.
7. The suction cup device suitable for the negative pressure closed drainage technology according to any one of claims 1 to 6, wherein a plurality of positioning protrusions (8) protruding downwards are arranged at the edge of the suction surface, and a plurality of positioning protrusions (8) are arranged around the lower end opening of the negative pressure cavity (6).
8. Suction cup device suitable for negative pressure closed drainage technique according to claim 7 characterized in that the inner wall of the negative pressure cavity (6) is provided with a plurality of beam mounts (7).
9. The suction cup device suitable for the negative pressure closed drainage technology according to claim 8, wherein the lower end of the beam frame (7) extends downwards, and the extending end of the lower end of the beam frame (7) protrudes downwards from the adsorption surface.
10. The suction cup device suitable for the negative pressure closed drainage technology according to claim 9, wherein the positioning protrusion (8) is a cylinder with a height of 1.5mm, and a plurality of positioning protrusions (8) are uniformly distributed on the periphery of the adsorption surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210508492.XA CN114712581A (en) | 2022-05-11 | 2022-05-11 | Sucker device suitable for negative pressure sealing drainage technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN213158237U (en) * | 2020-07-24 | 2021-05-11 | 威海达诚医疗器械科技有限公司 | Closed negative pressure drainage device |
| CN112891651A (en) * | 2021-03-08 | 2021-06-04 | 倪美琴 | Bionic octopus negative pressure suction cup for wound treatment |
| CN112891650A (en) * | 2021-03-08 | 2021-06-04 | 倪美琴 | Bombycis-sticking bionic sucker for assisting healing of postoperative wound |
| CN213723886U (en) * | 2020-07-22 | 2021-07-20 | 中国人民解放军总医院第四医学中心 | Negative pressure sucker and composite negative pressure system |
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| US20120136326A1 (en) * | 2010-11-25 | 2012-05-31 | Paul Hartmann Ag | Wound dressing for negative-pressure therapy |
| CN104815361A (en) * | 2015-04-09 | 2015-08-05 | 广州新诚生物科技有限公司 | Uniform dosing negative pressure sucker with buffer pool and quick release pipe |
| CN205569495U (en) * | 2016-03-14 | 2016-09-14 | 深圳齐康医疗器械有限公司 | Negative pressure drainage suit |
| CN207152812U (en) * | 2016-12-09 | 2018-03-30 | 国械（上海）贸易有限公司 | A kind of slotting sucked type of pipeline point connects disposable negative pressure drainage trauma care suit |
| CN207575336U (en) * | 2017-05-23 | 2018-07-06 | 河南汇博医疗股份有限公司 | A kind of negative pressure drainage dressing with surface of a wound oxygen supply |
| CN108095891A (en) * | 2018-02-06 | 2018-06-01 | 刘广华 | Integrated negative pressure Wound treating applicator and combinations thereof system |
| CN211050383U (en) * | 2019-06-26 | 2020-07-21 | 杨超 | Extractable drainage device |
| CN213723886U (en) * | 2020-07-22 | 2021-07-20 | 中国人民解放军总医院第四医学中心 | Negative pressure sucker and composite negative pressure system |
| CN213158237U (en) * | 2020-07-24 | 2021-05-11 | 威海达诚医疗器械科技有限公司 | Closed negative pressure drainage device |
| CN112891651A (en) * | 2021-03-08 | 2021-06-04 | 倪美琴 | Bionic octopus negative pressure suction cup for wound treatment |
| CN112891650A (en) * | 2021-03-08 | 2021-06-04 | 倪美琴 | Bombycis-sticking bionic sucker for assisting healing of postoperative wound |
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