CN202069996U - Cushion special for wound-surface flushing-negative-pressure closure drainage - Google Patents
Cushion special for wound-surface flushing-negative-pressure closure drainage Download PDFInfo
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- CN202069996U CN202069996U CN2011200433508U CN201120043350U CN202069996U CN 202069996 U CN202069996 U CN 202069996U CN 2011200433508 U CN2011200433508 U CN 2011200433508U CN 201120043350 U CN201120043350 U CN 201120043350U CN 202069996 U CN202069996 U CN 202069996U
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- drainage tube
- tube
- drainage
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Abstract
The utility model relates to a cushion special for wound-surface flushing-negative-pressure closure drainage, comprising a drainage tube, a flushing tube and a medical foam material, wherein the drainage tube comprises an external drainage tube and a built-in drainage tube, the built-in drainage tube is partly or wholly enwrapped in the medical foam material and a plurality of side holes for drainage are opened on the tube wall of the built-in drainage tube, the front end of the external drainage tube is detachably connected with the built-in drainage tube by a drainage joint arranged on the outer surface of the medical foam material, the back end of the external drainage tube is connected with a negative pressure source; the front segment of the flushing tube is built in the external drainage tube, the back end of the flushing tube is led out from a through hole opened on the tube wall of the external drainage tube. The all-in-one produced external drainage tube and the front segment of the flushing tube passing through the drainage tube are detachably connected with the foam material by the drainage joint. The cushion not only flushes the wound surface but also simultaneously performs the negative-pressure drainage, increases the fluidity of the wound-surface exudate and the sphacelus, quickly clears up the wound-surface inflammatory matter and reduces the drainage tube blockage phenomenon due to dressing pollution by the pus or sphacelus or high vacuum dehydrating in the drainage tube.
Description
Technical field
This utility model relates to medical apparatus and instruments, specifically is the special-purpose cushion of a kind of wound surface flushing-negative-pressure sealed drainage.
Background technology
Sickness rate such as various acute and chronic wound surface, ulcer are higher, are commonly encountered diseases and frequently-occurring diseases clinically.Traditional wound surface is changed dressings and method such as drain is faced with problems such as wayward, the time-consuming length of traumatic infection, patient's misery, medical personnel's workload are big, how to improve the treatment level of relevant disease, is one of urgent problem medically.In the European and American areas, the next negative-pressure sealed drainage technology that constantly develops at surgical field of recent two decades (VacuumSealing Drainage, VSD), also development is swift and violent at home in recent years, substantially, popularize at various big hospital, particularly orthopaedics, Burn and Plastic Surgery Dept. etc. are used more.
Basic operation method at the VSD technology of open wound treatment is: after the various wound surface debridements, with polyvinyl alcohol foamed materialss such as (PVA) as the intermediary between wound surface and the drainage tube, use biological semipermeable membrane encapsulant and wound surface then, drainage tube connects various negative pressure sources, and high negative pressure attracts to treat.Clinically, VSD has obtained following effect: (1) drain is efficient, abundant, closed dead space; (2) press between the reduction wound tissue; Avoid inflammatory and toxicant to absorb, blocked inflammation cascade waterfall reaction (systemic inflammatorome syndrome) to a certain extent; (3) high negative pressure has changed local organization bacterial growth environment, has antibacterial or bactericidal action, reduces bacteria colony count; (4) wound closure has cut off extraneous various pollution; (5) increase the wound surface blood circulation, promote the wound tissue growth; (6) greatly alleviated medical personnel's workload.Adopt this technology, obtained effect significantly clinically.
But the VSD technology only limits to Wound-surface negative pressure to be attracted, the function of its no wound surface flushing.When drainage tube blockage phenomenon or dressing were seriously polluted by pus or downright bad material, the vacuum suction of can only stopping using was injected flushing liquor flushing and mediation drainage tube then in drainage tube.Even because losing efficacy, drain changes the VSD drainage system again.This makes VSD technology and various modification method thereof have some limitation: (1) is because the dehydration characteristic of fine vacuum, when wound exudate not for a long time, the sepage in the drainage tube is flowed slowly, the dehydrated dry and hard accumulation in back of solids, cause drainage tube to stop up through regular meeting, treatment was lost efficacy; Vacuum also can make the foam material for medical use dehydration dry and hard, and treatment was lost efficacy, and above phenomenon has greatly reduced reliability and its therapeutic effect of VSD technology.(2) when wound surface has more pus or downright bad material, foam material for medical use will soon be by contaminated, and the drain on the foamed materials is stopped up with micropore, and drain and treatment were lost efficacy; During (3) because of the treatment of VSD technology, patient's wound surface is sealed, so in the process of treatment, generally can not adjust local application according to the situation of wound surface, treatment means is more single, influences therapeutic effect.When above-mentioned various situation occurring,, all greatly increased medical personnel's workload and medical treatment cost no matter be to change drain dressing or long-term observation and nursing.
Also have, all there is inconvenient operation in the various isolated plants that present exactly VSD technology reaches in clinical use, design and splicing dressing length consuming time, and the wound surface sealing is difficult, postoperative gas leakage, plugging, form " convulsion effect " etc. at wound surface and influence clinical effectiveness, even jeopardize patient's life security problem.
The utility model content
The purpose of this utility model just provides a kind of special-purpose cushion of wound surface flushing-negative-pressure sealed drainage that can carry out wound surface flushing can carrying out simultaneously again vacuum suction.
The purpose of this utility model can realize by following technical scheme:
The special-purpose cushion of a kind of wound surface flushing-negative-pressure sealed drainage, comprise drainage tube, syringe pipe and foam material for medical use, it is characterized in that: described drainage tube is divided into external drainage tube and built-in drainage tube, described built-in drainage tube partly or entirely is wrapped among the described foam material for medical use and has a plurality of drain side openings on the tube wall, described external drainage tube front end is removably connected by flow sub and the built-in drainage tube that is located on the described foam material for medical use outer surface, and described external drainage tube rear end connects negative pressure source; Described syringe pipe leading portion is built in the described external drainage tube, and draw from the through hole that external drainage tube tube wall has its rear end.
So, the syringe pipe that external drainage tube and leading portion are built in it just can one be made (or assembling in advance), just is connected in use with foam material for medical use and the parcel built-in drainage tube wherein that same one is made (or assembling in advance), can change when needing external drainage tube and Qi Nei syringe pipe and needn't the foam material for medical use of movable sealing on wound surface and wrap up wherein built-in drainage tube.Use very convenient.
After doing further improvement on the basis of the above, this utility model can also satisfy the tight difficult gas leakage of wound surface sealing, pad pasting seals requirement easily.
Be coated with gas impermeable material layer on described foamed materials outer surface, the area of described gas impermeable material layer is equal to or greater than foam material for medical use.
The neighboring of described gas impermeable material layer greater than foam material for medical use has viscosity.What be not coated with gas impermeable material layer like this can use mucosa separately, and being coated with gas impermeable material layer can directly be fixed on foam material for medical use on the skin.
Described syringe pipe rear end is furnished with modular connection, and has end socket, when not carrying out the wound surface flushing, can cover tightly, prevents gas leakage.
Described built-in drainage tube joint has end socket, can cover when not using tightly, and pad pasting is inhaled brokenly when preventing vacuum draw, causes gas leakage.
The drain of built-in drainage tube sidewall is played the effect that imbibition produces negative pressure with side opening during drain, at least one of built-in drainage tube or front end bifurcated, can enlarge the scope that produces negative pressure and drain like this, what and length of built-in drainage tube can design as required or prune, the needs of the large-scale negative of satisfying the demand drain; Gas impermeable material layer can play the effect of sealing foamed materials, can form subnormal ambient after air is drawn out of under the film, and negative pressure is difficult for disappearing.
During use, this device is covered on open wound or the wound surface, foam material for medical use can adopt medical PVA foamed materials or medical polyurethane foamed materials etc., uses medical sticking film then and this device is pasted and is sealed on the normal skin; Or use the gas impermeable material layer that this device sticked on the foam material for medical use surface and paste mutually with the skin of wound surface periphery; Connecting external drainage tube and negative pressure source then, start negative pressure source and just can carry out drain wound exudate or downright bad material, negative pressure source is generally-12～-80kPa.
Compared with prior art, this utility model has produced beyond thought beneficial effect:
(1) built-in drainage tube plays the imbibition drainage during drain, many built-in drainage tubes can be set enlarge the drain scope, built-in drainage tube length can design or prune as required, make it be wrapped among the described foam material for medical use (or stretch out also can), external syringe pipe is furnished with modular connection, can be connected with syringe or transfusion device during use, inject flushing wound surface such as normal saline, satisfy actual needs;
(2) because external syringe pipe and being connected to of external drainage tube and built-in drainage tube are removably connected, so only need in actual the use and will seal between foamed materials and the surrounding skin, after the pad pasting seal operation finishes, again external drainage tube is connected with flow sub on the foamed materials and gets final product, avoided syringe pipe fully, drainage tube is to the interference of special-purpose dressing paste film phonograph seal, the special-purpose dressing and the seal process of normal skin have on every side been simplified, reduced the difficulty of pad pasting sealing widely, in addition, can simplify the Wound dressing design, the dressing splicing, the operational approach of dressing and surrounding skin sutured is saved operating time.
(3) be connected with foam material for medical use (dressing) surface because of external syringe pipe, external drainage tube, influences such as external drainage tube surrounding skin perspiration, patient activity tractive have been avoided, greatly reduce the gas leakage of negative-pressure sealed drainage technology postoperative, clinical adverse events such as negative pressure disappearance directly improve clinical therapeutic efficacy.
(3) adopt gas impermeable material layer, can play foamed materials is got the effect of sealing fully, after air is drawn out of under the film, can form subnormal ambient, negative pressure is difficult for disappearing, prevented foamed materials dehydration exsiccation hardening, and patient's wound surface oozes out and the acceleration of dewatering, particularly large tracts of land wound surface, has avoided causing patient's whole body to dewater or the probability of the adverse events of shock.In addition, can use the negative pressure source of portable hand type.Because the central negative potential source that need not connect electronic Negative pressure machine or continue to attract not only can make things convenient for patient activity, and enlarge the negative-pressure sealed drainage technology indication and the scope of application.
(4) area of gas impermeable material layer is greater than foam material for medical use, and the neighboring of gas impermeable material layer has viscosity, will be during use according to wound surface size and form, shape and the size of special-purpose dressing being spliced and is trimmed to wound surface mutually, to splice good foam material for medical use again is placed on the wound surface, directly paste on the skin of wound periphery with the periphery of gas impermeable material layer then, like this, not only save medical personnel in a large number and on wound surface, sewed up splicing dressing, and the time of dressing and wound surface surrounding skin sutured, and it is easy to use, simple to operate, low to the requirement of Filming Technology level, do not need to be equipped with special pad pasting personnel, help the standardization of negative-pressure sealed drainage technology, suitable promoting the use of.
Use this utility model to increase the flowability of wound exudate and downright bad material, remove wound surface inflammatory material rapidly, reduce dressing by pus downright bad material pollutes or drainage tube in drainage tube clogging due to the fine vacuum dehydration; Simultaneously,, also can formulate the therapeutic scheme of different local douche medicines, guarantee the fully effective of Wound treating according to the different situations of various wound surface.
This is novel to be connected with foam dressing by drainage tube and syringe pipe are dismountable, can make clinical manipulation convenient, can enlarge clinical indication again, improves clinical therapeutic efficacy, the clinical adverse events of minimizing generation.
Description of drawings
Fig. 1 is the profile (along the A-A line of Fig. 2) of this utility model embodiment one;
Fig. 2 is the vertical view after embodiment one removes external drainage tube and syringe pipe;
Fig. 3 is the profile after embodiment one removes external drainage tube and syringe pipe;
Fig. 4 is integrally formed syringe pipe and the external drainage tube profile of embodiment one;
Fig. 5 is the profile of embodiment two;
Fig. 6 is the profile after specific embodiment two removes external drainage tube and syringe pipe;
Fig. 7 is embodiment three profiles;
Fig. 8 is the vertical view after embodiment four removes external drainage tube and external syringe pipe.
The specific embodiment
Embodiment one shown in Fig. 1～4 comprises drainage tube 1, foam material for medical use 2 and syringe pipe 13, and drainage tube 1 is divided into external drainage tube 3 and built-in drainage tube 4; Referring to Fig. 3, built-in drainage tube 4 all is wrapped among the foam material for medical use 2, (certainly also can end extend), and have a plurality of drains side opening 5 on built-in drainage tube 4 tube walls, one end of built-in drainage tube 4 is (or middle, see embodiment six) connect an opening and be in flow sub 6 on foam material for medical use 2 outer surfaces, this routine flow sub 6 is perpendicular to the last outer surface of foam material for medical use 2, when using, external drainage tube 3 is communicated with built-in drainage tube 4 by flow sub 6, also be that external drainage tube and flow sub are for being removably connected external drainage tube 3 back termination negative pressure sources.
Referring to Fig. 4, syringe pipe 13 leading portions are built in the external drainage tube 3, the through hole that the rear end of syringe pipe 13 has from the tube wall of external drainage tube 3 is drawn and is furnished with modular connection, convenient external flushing source, the syringe pipe front end is in the external drainage tube, external drainage tube and syringe pipe all are flexible pipes, can make things convenient for bending.
Fig. 5 and embodiment two shown in Figure 6 are that with embodiment one difference flow sub 6 inserts from the outer surface of medical foamed materials 2.
Embodiment three shown in Figure 7; be with embodiment one difference: on the outer surface of foamed materials 2, be coated with gas impermeable material layer 7; the area of gas impermeable material layer is greater than foam material for medical use, has viscosity and is coated with viscosity protection sheet 8 greater than the neighboring of the gas impermeable material layer of foam material for medical use.Can directly foam material for medical use be fixed on the skin like this.
Fig. 8 represents the vertical view after embodiment four removes external drainage tube and external syringe pipe, expresses built-in drainage tube 4 leading portion bifurcateds, is equivalent to two, and connects flow sub 6 from the centre.
Claims (3)
1. the special-purpose cushion of a wound surface flushing-negative-pressure sealed drainage, comprise drainage tube, syringe pipe and foam material for medical use, it is characterized in that: described drainage tube is divided into external drainage tube and built-in drainage tube, described built-in drainage tube partly or entirely is wrapped among the described foam material for medical use and has a plurality of drain side openings on the tube wall, described external drainage tube front end is removably connected by flow sub and the built-in drainage tube that is located on the described foam material for medical use outer surface, and described external drainage tube rear end connects negative pressure source; Described syringe pipe leading portion is built in the described external drainage tube, and draw from the through hole that external drainage tube tube wall has its rear end.
2. the special-purpose cushion of wound surface flushing-negative-pressure sealed drainage according to claim 1, it is characterized in that: be coated with gas impermeable material layer on the described foamed materials outer surface, the area of described gas impermeable material layer is equal to or greater than foam material for medical use.
3. the special-purpose cushion of wound surface flushing-negative-pressure sealed drainage according to claim 2 is characterized in that: the neighboring of described gas impermeable material layer greater than foam material for medical use has adhibit quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200433508U CN202069996U (en) | 2011-02-21 | 2011-02-21 | Cushion special for wound-surface flushing-negative-pressure closure drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200433508U CN202069996U (en) | 2011-02-21 | 2011-02-21 | Cushion special for wound-surface flushing-negative-pressure closure drainage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202069996U true CN202069996U (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200433508U Expired - Lifetime CN202069996U (en) | 2011-02-21 | 2011-02-21 | Cushion special for wound-surface flushing-negative-pressure closure drainage |
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| CN (1) | CN202069996U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103285495A (en) * | 2013-05-22 | 2013-09-11 | 苏州爱得科技发展有限公司 | Medical negative-pressure closed draining device |
| CN103480081A (en) * | 2013-10-22 | 2014-01-01 | 李颖 | Negative pressure closed drainage wound protection device and preparation method thereof |
| CN105188795A (en) * | 2013-05-10 | 2015-12-23 | 史密夫及内修公开有限公司 | Fluidic connector for irrigation and aspiration of wounds |
| US10039868B2 (en) | 2004-04-28 | 2018-08-07 | Smith & Nephew Plc | Dressing and apparatus for cleansing the wounds |
| US10342729B2 (en) | 2004-04-27 | 2019-07-09 | Smith & Nephew Plc | Wound cleansing apparatus with stress |
| US10413644B2 (en) | 2004-04-27 | 2019-09-17 | Smith & Nephew Plc | Wound treatment apparatus and method |
| US11013837B2 (en) | 2004-04-27 | 2021-05-25 | Smith & Nephew Plc | Wound treatment apparatus and method |
| US11298453B2 (en) | 2003-10-28 | 2022-04-12 | Smith & Nephew Plc | Apparatus and method for wound cleansing with actives |
-
2011
- 2011-02-21 CN CN2011200433508U patent/CN202069996U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11298453B2 (en) | 2003-10-28 | 2022-04-12 | Smith & Nephew Plc | Apparatus and method for wound cleansing with actives |
| US10342729B2 (en) | 2004-04-27 | 2019-07-09 | Smith & Nephew Plc | Wound cleansing apparatus with stress |
| US11617823B2 (en) | 2004-04-27 | 2023-04-04 | Smith & Nephew Plc | Wound cleansing apparatus with stress |
| US11426497B2 (en) | 2004-04-27 | 2022-08-30 | Smith & Nephew Plc | Wound treatment apparatus and method |
| US11013837B2 (en) | 2004-04-27 | 2021-05-25 | Smith & Nephew Plc | Wound treatment apparatus and method |
| US10413644B2 (en) | 2004-04-27 | 2019-09-17 | Smith & Nephew Plc | Wound treatment apparatus and method |
| US10758424B2 (en) | 2004-04-28 | 2020-09-01 | Smith & Nephew Plc | Dressing and apparatus for cleansing the wounds |
| US10039868B2 (en) | 2004-04-28 | 2018-08-07 | Smith & Nephew Plc | Dressing and apparatus for cleansing the wounds |
| US10758425B2 (en) | 2004-04-28 | 2020-09-01 | Smith & Nephew Plc | Negative pressure wound therapy dressing system |
| CN105188795B (en) * | 2013-05-10 | 2018-07-31 | 史密夫及内修公开有限公司 | For rinsing and the fluid connection of suction wound |
| CN105188795A (en) * | 2013-05-10 | 2015-12-23 | 史密夫及内修公开有限公司 | Fluidic connector for irrigation and aspiration of wounds |
| US11439741B2 (en) | 2013-05-10 | 2022-09-13 | Smith & Nephew Plc | Fluidic connector for irrigation and aspiration of wounds |
| CN103285495A (en) * | 2013-05-22 | 2013-09-11 | 苏州爱得科技发展有限公司 | Medical negative-pressure closed draining device |
| CN103480081B (en) * | 2013-10-22 | 2015-11-18 | 李颖 | Wound device and preparation method thereof is protected in the airtight drain of a kind of negative pressure |
| CN103480081A (en) * | 2013-10-22 | 2014-01-01 | 李颖 | Negative pressure closed drainage wound protection device and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG MEIJIE WEITONG BIOTECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHU XINSHENG Effective date: 20150527 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 511400 GUANGZHOU, GUANGDONG PROVINCE TO: 510530 GUANGZHOU, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150527 Address after: 510530, A7 building, No. 11, Kaiyuan Avenue, Guangzhou hi tech Industrial Development Zone, Guangdong, Guangzhou, Fourth Patentee after: GUANGDONG MEIJIE WAYSTECH BIOTECHNOLOGY CO., LTD. Address before: 511400, Guangdong province Guangzhou Science City Shenzhou road 885 Office Center A building 202-205 room, Guangzhou Honghui Medical Instrument Technology Co., Ltd. Patentee before: Zhu Xinsheng |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111214 |
|
| CX01 | Expiry of patent term |