CN201912520U - Special soft pad for wound surface rinsing-negative pressure closed drainage - Google Patents
Special soft pad for wound surface rinsing-negative pressure closed drainage Download PDFInfo
- Publication number
- CN201912520U CN201912520U CN2011200131349U CN201120013134U CN201912520U CN 201912520 U CN201912520 U CN 201912520U CN 2011200131349 U CN2011200131349 U CN 2011200131349U CN 201120013134 U CN201120013134 U CN 201120013134U CN 201912520 U CN201912520 U CN 201912520U
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- drainage tube
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- Expired - Lifetime
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- 239000006261 foam material Substances 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims description 35
- 230000018044 dehydration Effects 0.000 abstract description 5
- 238000006297 dehydration reaction Methods 0.000 abstract description 5
- 230000002757 inflammatory effect Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract 3
- 230000001338 necrotic effect Effects 0.000 abstract 2
- 206010052428 Wound Diseases 0.000 description 44
- 208000027418 Wounds and injury Diseases 0.000 description 42
- 238000005516 engineering process Methods 0.000 description 13
- 201000003130 ventricular septal defect Diseases 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000011010 flushing procedure Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 230000001225 therapeutic effect Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 210000000416 exudates and transudate Anatomy 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 238000005213 imbibition Methods 0.000 description 2
- 210000004877 mucosa Anatomy 0.000 description 2
- 230000037311 normal skin Effects 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010010904 Convulsion Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000002316 cosmetic surgery Methods 0.000 description 1
- 238000001804 debridement Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 229940059082 douche Drugs 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000008467 tissue growth Effects 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
- 231100000397 ulcer Toxicity 0.000 description 1
Images
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- Media Introduction/Drainage Providing Device (AREA)
- External Artificial Organs (AREA)
Abstract
The utility model relates to a special soft pad for wound surface rinsing-negative pressure closed drainage, which comprises drainage tubes, rinsing tubes and a medial foam material; the drainage tubes are classified into an external drainage tube and a built-in drainage tube; the built-in drainage tube is wrapped in the medial foam material and a side hole for drainage is arranged on the tube wall in the medical foam material; the external drainage tube is detachably connected with the built-in drainage tube through a drainage connector on the outer surface of the medial foam material; the rinsing tubes are classified into an external rinsing tube and a built-in rinsing tube; the built-in rinsing tube is wrapped in the medial foam material, and the front end of the built-in rinsing tube is inserted into the built-in drainage tube or extends out of the inner surface of the medical foam material; and the external rinsing tube and the built-in rinsing tube are detachable connected through a rinsing connector on the outer surface of the medical foam material. The special soft pad for wound surface rinsing-negative pressure closed drainage not only can rinse a wound surface but also can carry out negative pressure drainage, so that the fluidity of the effusion and the necrotic substances on the wound surface is improved, the inflammatory substances on the wound surface are quickly removed, and dressing is prevented from being polluted by pus or necrotic substances and the blockage of the drainage tubes caused by high vacuum dehydration in the drainage tubes is prevented.
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 (Vacuum Sealing 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.
All there is inconvenient operation in the various isolated plants that present VSD technology reaches in clinical use, design and splicing dressing length consuming time, wound surface sealing difficulty, forms " convulsion effect " etc. at wound surface and influences clinical effectiveness postoperative gas leakage, plugging, even jeopardizes patient's life security problem.
The utility model content
The purpose of this utility model, can carry out the special-purpose cushion of wound surface flushing-negative-pressure sealed drainage that wound surface flushing can carrying out simultaneously again vacuum suction is used, increased the flowability of wound exudate and downright bad material, remove rapidly wound surface inflammatory material, 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 utility model can be removed the dress formula by drainage tube and syringe pipe and be connected with foam dressing, can make things convenient for by clinical manipulation, can enlarge clinical indication again, improves clinical therapeutic efficacy, reduces clinical adverse events takes place.
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 rear end 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 is divided into external syringe pipe and built-in syringe pipe, described built-in syringe pipe is wrapped in the described foam material for medical use, built-in syringe pipe front end injects in the described built-in drainage tube or stretches out in outside the described foam material for medical use inner surface, and described external syringe pipe front end and built-in syringe pipe rear end are removably connected by the flush-through connection that is located on the described foam material for medical use outer surface.
This utility model is divided into extension tube attached and built-in pipe with drainage tube and syringe pipe, and both be connected to by being removably connected of joint convenient the use.
On the basis of the above, basis is novel can also do further improvement:
1, external syringe pipe is built in the external drainage tube, and all draw from the through hole that external drainage tube tube wall has its front-end and back-end, and front end after drawing and described flush-through connection are removably connected.Convenient so external syringe pipe and external drainage tube one are made (or assembling in advance);
2, all said structures can be coated with gas impermeable material layer on described foamed materials outer surface, and the area of described gas impermeable material layer is equal to or greater than foam material for medical use.
3, the area of described gas impermeable material layer is equal to or greater than foam material for medical use, and the neighboring of described gas impermeable material layer greater than foam material for medical use has viscosity.
Be not coated with can the using mucosa separately of gas impermeable material layer like this and be coated with gas impermeable material layer and can directly foam material for medical use be fixed on the skin, satisfy that the wound surface sealing tightly is difficult for gas leakage, pad pasting seals requirement easily.
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 and syringe pipe joint all have end socket, can cover when not using tightly, and pad pasting is inhaled brokenly when preventing vacuum draw, cause 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, dressing 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 dressing 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.Syringe pipe is furnished with modular connection, can be connected with syringe or transfusion device during use, injects flushing wound surface such as normal saline.
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 drainage tube and built-in drainage tube and being connected to of external syringe pipe and built-in syringe pipe 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 with the flow sub on external drainage tube and the foamed materials, external syringe pipe is connected with flush-through connection and gets final product, avoided external syringe pipe fully, external 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 the 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.
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 external syringe pipe;
Fig. 3 is the cutaway view after embodiment one removes external drainage tube and external syringe pipe;
Fig. 4 is the profile of specific embodiment two;
Fig. 5 is the cutaway view after embodiment two removes external drainage tube and external syringe pipe;
Fig. 6 is the profile of specific embodiment three;
Fig. 7 is the vertical view after embodiment four removes external drainage tube and external syringe pipe;
Fig. 8 is the vertical view after embodiment five removes external drainage tube and external syringe pipe.
Fig. 9 is the profile of embodiment six.
The specific embodiment
Embodiment one shown in Fig. 1～3, comprise drainage tube 1, foam material for medical use 2 and syringe pipe 13, drainage tube 1 is divided into external drainage tube 3 and built-in drainage tube 4, built-in drainage tube 4 (also can partly wrap up among all being wrapped in foam material for medical use 2 certainly, end stretches out outside the foam material for medical use inner surface), 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 (or middle) connects a flow sub 6 that is located 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. 3, syringe pipe 13 is divided into external syringe pipe 9 and built-in syringe pipe 10, built-in syringe pipe is wrapped in the foam material for medical use 2, the front end of built-in syringe pipe 10 stretches out in outside the inner surface of foam material for medical use 2, and the rear end of the front end of external syringe pipe 9 and built-in syringe pipe 10 is removably connected by the flush-through connection 11 that is located on the foam material for medical use outer surface.
Fig. 4 and embodiment two shown in Figure 5 are that with embodiment one difference the front end of built-in syringe pipe 10 injects in the built-in drainage tube 4 that is wrapped in the foam material for medical use 2.
Embodiment three shown in Figure 6, be with embodiment one difference: external syringe pipe 9 is built in the external drainage tube 3, all draw from the through hole that the tube wall of external drainage tube 3 has its front-end and back-end, and external syringe pipe 9 front ends and flush-through connection 11 after drawing are removably connected.Convenient so external syringe pipe and external drainage tube one are made (or assembling in advance).
Fig. 7 represents the vertical view after embodiment four removes external drainage tube and external syringe pipe, expresses built-in drainage tube 4 and connects flow sub 6 from the centre.
Fig. 8 represents the vertical view after embodiment five removes external drainage tube and external syringe pipe, and expressing built-in drainage tube 4 can have two, and correspondingly syringe pipe is adaptive.
In addition; embodiment six shown in Figure 9; on the outer surface of foamed materials 2, be coated with gas impermeable material layer 7; the area of gas impermeable material layer is equal to or greater than foam material for medical use (this example for greater than), 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.So both can use mucosa separately, also can directly foam material for medical use be fixed on the skin.
Claims (4)
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 is divided into external syringe pipe and built-in syringe pipe, described built-in syringe pipe is wrapped in the described foam material for medical use, front end injects in the described built-in drainage tube or stretch out in outside the described foam material for medical use inner surface, and described external syringe pipe front end and built-in syringe pipe rear end are removably connected by the flush-through connection that is located on the described foam material for medical use outer surface.
2. the special-purpose cushion of wound surface flushing-negative-pressure sealed drainage according to claim 1, it is characterized in that: described external syringe pipe is built in the described external drainage tube, and all draw from the through hole that described external drainage tube tube wall has its front-end and back-end.
3. the special-purpose cushion of wound surface flushing-negative-pressure sealed drainage according to claim 1 and 2, 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.
4. the special-purpose cushion of wound surface flushing-negative-pressure sealed drainage according to claim 3 is characterized in that: the neighboring of described gas impermeable material layer greater than foam material for medical use has viscosity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200131349U CN201912520U (en) | 2011-01-17 | 2011-01-17 | Special soft pad for wound surface rinsing-negative pressure closed drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200131349U CN201912520U (en) | 2011-01-17 | 2011-01-17 | Special soft pad for wound surface rinsing-negative pressure closed drainage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201912520U true CN201912520U (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200131349U Expired - Lifetime CN201912520U (en) | 2011-01-17 | 2011-01-17 | Special soft pad for wound surface rinsing-negative pressure closed drainage |
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| CN (1) | CN201912520U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013056412A1 (en) * | 2011-10-18 | 2013-04-25 | Zhu Xinsheng | Dedicated dressing structure for sealed drainage under negative pressure |
| WO2013131416A1 (en) * | 2012-03-09 | 2013-09-12 | Zhu Xinsheng | Medical block-free negative pressure wound surface therapy device |
| CN103480081A (en) * | 2013-10-22 | 2014-01-01 | 李颖 | Negative pressure closed drainage wound protection device and preparation method thereof |
| CN104225768A (en) * | 2014-06-16 | 2014-12-24 | 武汉维斯第医用科技股份有限公司 | Multilayer negative-pressure closed drainage wound protecting device |
| CN104473720A (en) * | 2014-12-19 | 2015-04-01 | 中国人民解放军南京军区南京总医院 | Assembled type negative pressure drainage filling surgical dressing skeleton structure |
| CN105078553A (en) * | 2015-09-07 | 2015-11-25 | 北京市富乐科技开发有限公司 | Femur neck side hole drainage pressure reducing hollow tension screw system |
| CN107485737A (en) * | 2017-08-14 | 2017-12-19 | 广州润虹医药科技股份有限公司 | A kind of Medical wounded surface care device |
| CN107670127A (en) * | 2017-08-14 | 2018-02-09 | 广州润虹医药科技股份有限公司 | A kind of Medical wounded surface care product |
-
2011
- 2011-01-17 CN CN2011200131349U patent/CN201912520U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013056412A1 (en) * | 2011-10-18 | 2013-04-25 | Zhu Xinsheng | Dedicated dressing structure for sealed drainage under negative pressure |
| WO2013131416A1 (en) * | 2012-03-09 | 2013-09-12 | Zhu Xinsheng | Medical block-free negative pressure wound surface therapy device |
| CN103480081A (en) * | 2013-10-22 | 2014-01-01 | 李颖 | Negative pressure closed drainage wound protection device and preparation method thereof |
| 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 |
| CN104225768A (en) * | 2014-06-16 | 2014-12-24 | 武汉维斯第医用科技股份有限公司 | Multilayer negative-pressure closed drainage wound protecting device |
| CN104473720A (en) * | 2014-12-19 | 2015-04-01 | 中国人民解放军南京军区南京总医院 | Assembled type negative pressure drainage filling surgical dressing skeleton structure |
| CN104473720B (en) * | 2014-12-19 | 2018-02-09 | 中国人民解放军南京军区南京总医院 | A kind of assembly type negative pressure drainage fills dressing skeleton structure |
| CN105078553A (en) * | 2015-09-07 | 2015-11-25 | 北京市富乐科技开发有限公司 | Femur neck side hole drainage pressure reducing hollow tension screw system |
| CN105078553B (en) * | 2015-09-07 | 2017-06-09 | 北京市富乐科技开发有限公司 | Neck of femur side openings conduction decompression hollow lag screw system |
| CN107485737A (en) * | 2017-08-14 | 2017-12-19 | 广州润虹医药科技股份有限公司 | A kind of Medical wounded surface care device |
| CN107670127A (en) * | 2017-08-14 | 2018-02-09 | 广州润虹医药科技股份有限公司 | A kind of Medical wounded surface care product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Biomark(China) International Ltd. Assignor: Zhu Xinsheng Contract record no.: 2012310000059 Denomination of utility model: Soft pad for wound irrigation and negative pressure closed drainage Granted publication date: 20110803 License type: Exclusive License Record date: 20120518 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Biomark(China) International Ltd. Assignor: Zhu Xinsheng Contract record no.: 2012310000059 Denomination of utility model: Special cushion for wound flushing negative pressure closed drainage Granted publication date: 20110803 License type: Exclusive License Record date: 20120518 |
|
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Assignee: Biomark(China) International Ltd. Assignor: Zhu Xinsheng Contract record no.: 2012310000059 Date of cancellation: 20150120 |
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Owner name: GUANGDONG MEIJIE WEITONG BIOTECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHU XINSHENG Effective date: 20150528 |
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Free format text: CORRECT: ADDRESS; FROM: 511400 GUANGZHOU, GUANGDONG PROVINCE TO: 510530 GUANGZHOU, GUANGDONG PROVINCE |
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Effective date of registration: 20150528 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 |
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