CN115486989A - Negative pressure wound surface treatment device - Google Patents
Negative pressure wound surface treatment device Download PDFInfo
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- CN115486989A CN115486989A CN202211208397.4A CN202211208397A CN115486989A CN 115486989 A CN115486989 A CN 115486989A CN 202211208397 A CN202211208397 A CN 202211208397A CN 115486989 A CN115486989 A CN 115486989A
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- negative pressure
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- wound surface
- dressing
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- 238000004381 surface treatment Methods 0.000 title claims abstract description 8
- 206010052428 Wound Diseases 0.000 claims abstract description 221
- 208000027418 Wounds and injury Diseases 0.000 claims abstract description 221
- 239000012528 membrane Substances 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 238000012377 drug delivery Methods 0.000 claims abstract description 28
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 130
- 239000010410 layer Substances 0.000 claims description 119
- 239000003814 drug Substances 0.000 claims description 73
- 238000002347 injection Methods 0.000 claims description 40
- 239000007924 injection Substances 0.000 claims description 40
- 239000000758 substrate Substances 0.000 claims description 32
- 239000012790 adhesive layer Substances 0.000 claims description 17
- 238000005406 washing Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 238000001647 drug administration Methods 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 13
- 208000015181 infectious disease Diseases 0.000 abstract description 9
- 241000894006 Bacteria Species 0.000 abstract description 8
- 238000001035 drying Methods 0.000 abstract description 8
- 210000001519 tissue Anatomy 0.000 description 25
- 238000005086 pumping Methods 0.000 description 22
- 229940079593 drug Drugs 0.000 description 15
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 239000000243 solution Substances 0.000 description 7
- 210000003722 extracellular fluid Anatomy 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 230000035876 healing Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 206010048038 Wound infection Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000008155 medical solution Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/05—Bandages or dressings; Absorbent pads specially adapted for use with sub-pressure or over-pressure therapy, wound drainage or wound irrigation, e.g. for use with negative-pressure wound therapy [NPWT]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/00051—Accessories for dressings
- A61F13/00063—Accessories for dressings comprising medicaments or additives, e.g. odor control, PH control, debriding, antimicrobic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive bandages or dressings
- A61F13/0246—Adhesive bandages or dressings characterised by the skin-adhering layer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive bandages or dressings
- A61F13/0259—Adhesive bandages or dressings characterised by the release liner covering the skin adhering layer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
- A61M1/91—Suction aspects of the dressing
- A61M1/912—Connectors between dressing and drainage tube
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
- A61M1/92—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing with liquid supply means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
- A61M1/98—Containers specifically adapted for negative pressure wound therapy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
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- Anesthesiology (AREA)
- Hematology (AREA)
- Dermatology (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention relates to the technical field of medical equipment and discloses a negative pressure wound surface treatment device which comprises a negative pressure drug delivery device, a plurality of combined membrane pastes, a plurality of negative pressure connecting pipes and a plurality of drug delivery connecting pipes. According to the invention, the wound surface and the external environment are isolated by using a single combined film paste or a combination of a plurality of combined film pastes, so that external bacteria and the like are prevented from invading the wound surface, the infection rate of the wound surface is reduced, the combined film paste is of a transparent structure, the wound surface part can be observed through the combined film paste, the wound treatment of medical personnel is facilitated, the negative pressure administration device is connected with the negative pressure mechanism through the negative pressure connecting pipe, a negative pressure environment is provided for the wound surface, so that redundant tissue fluid precipitated from the wound surface is extracted through negative pressure, the generation of fresh tissue of the wound surface is promoted while the drying of the wound surface is ensured, and the recovery of the wound surface is accelerated.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a negative pressure wound surface treatment device.
Background
A negative pressure wound treating technique features that a sponge dressing with drainage tube is covered on the wound surface, which is then sealed by sticking film, the drainage tube is connected to negative pressure source to make local part in negative pressure environment, so discharging the necrotic tissue and exudate from wound surface through drainage tube. The negative pressure wound treatment equipment manufactured by adopting the negative pressure wound treatment technology has good healing effect on various acute and chronic wounds.
However, the existing negative pressure wound treatment device needs to fill a large amount of dressing on the wound when in use, the filling of the large amount of dressing is complex in steps, and the large amount of dressing makes the wound difficult to observe by medical staff and is not beneficial to the treatment of the wound by the medical staff; in addition, the existing wound treatment device only considers the effect of negative pressure on the wound, neglects the negative pressure treatment process, and needs to carry out administration treatment on the wound, when the administration treatment is needed, the part of the wound needs to be removed, so that the operation is complex, and the wound dressing is removed, the wound is contacted with the external environment, wound infection is easily generated, and the wound negative pressure treatment is ineffective.
The existing negative pressure wound treatment device adopts the same treatment mode for different wounds, the combination of the film paste cannot be adjusted according to the size of the wounds, and the size of the film paste cannot be adjusted or the adjustment mode lacks flexibility.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a negative pressure wound treatment device which has the advantages that a transparent dressing is convenient for medical staff to observe, a proper film-paste combination can be selected according to the size of a wound, drug administration treatment can be carried out without removing the film-paste, and the like, and solves the problems that the dressing blocks the observation of the wound by the medical staff and is difficult to timely treat the wound, the operation is complicated during drug administration treatment, and wound infection is easy to generate.
(II) technical scheme
In order to solve the technical problems that the dressing prevents medical staff from observing the wound surface and is difficult to treat the wound surface in time, the operation is complicated during administration and treatment, and wound surface infection is easy to generate, the invention provides the following technical scheme: a negative pressure wound surface treatment device comprises a negative pressure drug feeder, a plurality of combined membrane pastes, a plurality of negative pressure connecting pipes and a plurality of drug feeding connecting pipes; the combined film pastes can be used independently, and a plurality of combined film pastes can be used together after being pasted and combined; the combined film sticker comprises a base material layer, a dressing layer and release paper, wherein the base material layer and the dressing layer are both made of transparent materials, the dressing layer is made of porous materials, and the release paper and the dressing layer are attached in an adsorption manner and can be separated; the combined film patch also comprises a negative pressure mechanism and a drug administration mechanism; the negative pressure mechanism is connected with the negative pressure administration device through the negative pressure connecting pipe, the negative pressure administration device can generate a negative pressure effect on the dressing layer, and the negative pressure effect can act on the wound surface; the drug delivery mechanism is connected with the negative pressure drug delivery device through the drug delivery connecting pipe, and the negative pressure drug delivery device can supply drug liquid to the dressing layer; the processes of generating negative pressure and supplying the liquid medicine by the negative pressure administration are not performed simultaneously.
Preferably, the dressing layer comprises a central dressing area and an edge dressing area, and the central dressing area and the substrate layer are compositely fixed and cannot be separated; an adhesive layer is arranged between the edge dressing area and the substrate layer, and the edge dressing area and the substrate layer can be separated; after the edge dressing area is separated from the base material layer, the bonding layer is remained on the surface of the base material layer, the bonding layer still has viscosity, and the edge dressing area does not have viscosity.
Preferably, when the combined type film pastes are used independently, after all the edge dressing areas of one combined type film paste are separated and removed, one combined type film paste can be pasted on the wound surface through the pasting layer.
Preferably, when the combined type film patch is used in combination, the edge dressing areas of two adjacent combined type film patches are overlapped, the overlapped edge dressing area of one combined type film patch in two adjacent combined type film patches is removed, and the exposed adhesive layer and the dressing layer of the other combined type film patch are fixedly adhered so as to combine the combined type film patches.
Preferably, the negative pressure mechanism comprises a plurality of liquid pumping holes, a plurality of liquid pumping pipes and a liquid pumping head, the liquid pumping holes are uniformly distributed on the outer surface of the central dressing area, and the liquid pumping holes are respectively connected with the liquid pumping head through the liquid pumping pipes; the drug delivery mechanism comprises a plurality of liquid injection holes, a plurality of liquid injection pipes and a liquid injection head, wherein the liquid injection holes are uniformly distributed on the outer surface of the central dressing area, and the liquid injection holes are connected with the liquid injection head through the liquid injection pipes respectively.
Preferably, when the combined membrane patch is used independently, the negative pressure connecting pipe is communicated with the liquid extracting head, and a negative pressure effect is generated on the dressing layer through the liquid extracting pipe and the liquid extracting hole connected with the liquid extracting pipe, and the negative pressure effect can act on a wound surface; when the combined membrane patch is used independently, the drug delivery connecting pipe is communicated with the liquid injection head, and the liquid medicine is supplied to the dressing layer through the liquid injection pipe and the liquid injection hole connected with the liquid injection pipe.
Preferably, the combined film paste further comprises a combined connecting pipe, wherein the combined connecting pipe is used for respectively communicating the negative pressure mechanisms of the combined film pastes with the negative pressure connecting pipe when the combined film pastes are used in a combined mode; the combined connecting pipe is also used for communicating the administration mechanisms of the combined film pastes with the administration connecting pipe respectively when the combined film pastes are used in a combined mode.
Preferably, a first one-way circulation mechanism is arranged inside the negative pressure connecting pipes, and the first one-way circulation mechanism is used for preventing liquid inside the negative pressure connecting pipes from flowing back to the combined membrane sticker; and a second one-way circulation mechanism is arranged in the administration connecting pipes and is used for preventing liquid in the administration connecting pipes from flowing back to the negative pressure administration device.
Preferably, the negative pressure administration device comprises a negative pressure pump and an administration pump; the negative pressure pump is connected with a washing bottle, the negative pressure connecting pipes are connected to the bottom end of the inside of the washing bottle, the washing bottle is sealed, and the negative pressure pump provides negative pressure for the top end of the inside of the washing bottle; the tissue fluid sucked by the negative pressure of the negative pressure connecting pipe enters the washing bottle and then stays at the bottom end of the washing bottle.
Preferably, the pump connection of dosing is provided with for the medicine bottle, and is a plurality of the connecting pipe of dosing all connects for the inside bottom of medicine bottle, after holding the liquid medicine for the medicine bottle, the pump of dosing to give medicine bottle liquid level top and apply the malleation, the drive the inside liquid medicine of the bottle of dosing flows in a plurality ofly the connecting pipe of dosing is inside.
(III) advantageous effects
Compared with the prior art, the invention provides a negative pressure wound treatment device, which has the following beneficial effects:
1. according to the negative pressure wound treatment device, a wound surface is isolated from the external environment by using a single combined type film paste or a combination of a plurality of combined type film pastes, so that external bacteria and the like are prevented from invading the wound surface, the infection rate of the wound surface is reduced, all parts of the combined type film paste are transparent structures, the wound surface part can be observed by the combined type film paste, the medical personnel can conveniently carry out wound treatment, a negative pressure medicine feeder is connected with a negative pressure mechanism through a negative pressure connecting pipe, a negative pressure environment is provided for the wound surface, so that redundant tissue liquid precipitated from the wound surface is extracted through negative pressure, the generation of fresh tissue of the wound surface is promoted while the drying of the wound surface is ensured, and the recovery of the wound surface is accelerated; through dosing the connecting pipe with negative pressure ware and the mechanism intercommunication of dosing for when needs are dosed the treatment to the surface of a wound, can go into surface of a wound department with the even pump of liquid medicine, with the effective cover through the liquid medicine and promote the healing of the surface of a wound, accelerate the recovery of the surface of a wound.
2. This kind of negative pressure wound surface treatment device, at first according to the surface of a wound size, judge the quantity of the combination formula membrane subsides that need use, then, will make up and paste the combination each other between a plurality of combination formula membrane subsides that use, wherein, overlap the edge dressing district of two adjacent combination formula membrane subsides, get rid of the edge dressing district that overlaps after, paste between the substrate layer of pasting layer and another combination formula membrane subsides, in order in the membrane subsides after the combination, the optional position has only one deck dressing layer at most, in order to prevent that the dressing layer is more to influence later stage negative pressure and administration process, prevent that the dressing layer that overlaps from hindering the passing of light, influence the transparency in overlap region, thereby guarantee the visibility to the wound, so that medical staff in time observes and deals with.
3. According to the negative pressure wound surface treatment device, when a plurality of combined type film pastes are combined for use, the liquid pumping heads of two adjacent combined type film pastes are connected through the combined type connecting pipes, and the liquid injection heads of two adjacent combined type film pastes are connected, so that the combined film pastes are connected with a negative pressure administration device only by using the negative pressure connecting pipes and the administration connecting pipes at the end parts of the combined film pastes, and the wound covered by the film pastes can be subjected to negative pressure and administration treatment conveniently; and the outer side surface of the combined connecting pipe is provided with pasting points at a certain distance, so that the combined connecting pipe and the surface of the substrate layer pasted by the combined film can be pasted, and the interference of the combined connecting pipe to the operation of medical staff is avoided.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a combination film of the present invention;
FIG. 3 is a schematic view of the assembled film with the release paper removed;
FIG. 4 is a schematic view of the assembled film patch of the present invention in a stand-alone configuration;
FIG. 5 is a schematic view of the combined film of the present invention;
FIG. 6 is a second view of the combined film and sticker of the present invention;
FIG. 7 is a schematic view of the combined film of the present invention in another direction;
fig. 8 is a schematic perspective view of the negative pressure administration device of the present invention.
In the figure: 1. a negative pressure administration device; 11. a negative pressure pump; 111. washing bottles; 12. a drug delivery pump; 121. a medicine feeding bottle; 2. a combined film is pasted; 21. a substrate layer; 211. a bonding layer; 22. a dressing layer; 221. a central dressing region; 222. an edge dressing region; 23. release paper; 24. a negative pressure mechanism; 241. a liquid pumping hole; 242. a liquid pumping pipe; 243. a liquid pumping head; 25. a drug delivery mechanism; 251. a liquid injection hole; 252. a liquid injection pipe; 253. a liquid injection head; 3. a negative pressure connecting pipe; 4. a drug administration connecting tube; 5. and combining the connecting pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As described in the background, the prior art is deficient, and in order to solve the above technical problems, the present application provides a negative pressure wound treatment device.
Referring to fig. 1 and 5, a negative pressure wound treatment device includes a negative pressure drug delivery device 1, a plurality of combined membrane patches 2, a plurality of negative pressure connection pipes 3 and a plurality of drug delivery connection pipes 4; the combined film pastes 2 can be used independently, and a plurality of combined film pastes 2 can be used together after being pasted and combined; the combined film sticker 2 comprises a substrate layer 21, a dressing layer 22 and release paper 23, wherein the substrate layer 21 and the dressing layer 22 are both made of transparent materials, the dressing layer 22 is made of porous materials, and the release paper 23 and the dressing layer 22 are attached in an adsorption mode and can be separated; the combined film 2 also comprises a negative pressure mechanism 24 and a drug administration mechanism 25; the negative pressure mechanism 24 is connected with the negative pressure administration device 1 through the negative pressure connecting pipe 3, the negative pressure administration device 1 can generate negative pressure effect on the dressing layer 22, and the negative pressure effect can act on the wound surface; the administration mechanism 25 is connected to the negative pressure administration device 1 through the administration connecting tube 4, and the negative pressure administration device 1 can supply the medical solution to the dressing layer 22; the negative pressure applicator 1 does not generate negative pressure and supply the drug solution at the same time.
When the combined type film sticker is used, the combined type film stickers 2 are divided into different specifications according to actual application sizes, and the combined type film stickers 2 with the same specification can be combined to form a film sticker with a larger coverage area to be used.
When in use, medical staff firstly select the combined membrane paste 2 with proper specification according to the size of the wound surface of a patient; if the wound surface can be covered by the single combined type membrane patch 2, the release paper 23 of the single combined type membrane patch 2 is separated and removed from the dressing layer 22, the center of one surface of the dressing layer 22 is aligned with the center of the wound surface, and the dressing layer 22 of the single combined type membrane patch 2 is attached to the wound surface and is fixedly adhered to the wound surface.
Then the negative pressure mechanism 24 of the single combined type membrane paste 2 is connected with the negative pressure administration device 1 through the negative pressure connecting pipe 3, the administration mechanism 25 of the single combined type membrane paste 2 is connected with the negative pressure administration device 1 through the administration connecting pipe 4, the negative pressure administration device 1 generates negative pressure, the negative pressure passes through the negative pressure connecting pipe 3 and the negative pressure mechanism 24 and passes through the porous material of the dressing layer 22, the negative pressure acts on the surface of a wound surface, in the actual use, the negative pressure acting on the surface of the wound surface can be adjusted through the negative pressure administration device 1, medical staff can adopt negative pressure with equal pressure of-25, -50, -75, -100, -125, -150, -175mm mercury column according to the actual negative pressure requirement of the wound surface, and the negative pressure values are safe negative pressure values of the wound surface, so that redundant tissue fluid separated from the wound surface is extracted, the drying of the wound surface is ensured, meanwhile, the generation of fresh tissue of the wound surface is promoted through the negative pressure environment of the wound surface, and the recovery of the wound surface is accelerated;
when the wound surface needs to be treated by administration, the negative pressure administration device 1 does not generate negative pressure any more, the negative pressure administration device 1 injects liquid medicine into the porous dressing layer 22 through the administration connecting pipe 4 and the administration mechanism 25, the liquid medicine is uniformly pumped into the wound surface part through the porous dressing layer 22, the liquid medicine is uniformly administered to the wound surface part, the liquid medicine uniformly acts on the wound surface part through the dressing layer 22, after a period of administration, the negative pressure of the negative pressure administration device 1 is started again, the negative pressure is continuously provided for the wound surface, firstly, redundant liquid medicine of the wound surface is pumped out through the negative pressure, then, redundant tissue fluid precipitated from the wound surface is continuously sucked through the action of the negative pressure, and continuous negative pressure treatment is carried out on the wound surface; in actual use, the administration time can be adjusted by the operation of the negative pressure administration device 1 by medical staff according to the actual administration condition.
Through the circulation of the negative pressure-administration-negative pressure process, when the wound does not need to be subjected to administration treatment, negative pressure is performed on the wound, redundant liquid medicine and tissue fluid of the wound are removed, the drying of the wound is ensured, meanwhile, the generation of fresh tissue on the wound is promoted through the negative pressure environment of the wound, and the recovery of the wound is accelerated.
When the wound surface can not be completely covered by a single combined type membrane paste 2, a plurality of combined type membrane pastes 2 need to be pasted and combined for use so as to adapt to the size of the wound surface; combining a plurality of combined film pastes 2 with the same specification to form a film paste with a proper size, removing the release paper 23 of each combined film paste 2, aligning the combined film paste with the wound surface, and applying the combined film paste to the wound; the negative pressure mechanism 24 of each combined type membrane sticker 2 is respectively connected with the negative pressure administration device 1 through a plurality of negative pressure connecting pipes 3, and the administration mechanism 25 of each combined type membrane sticker 2 is respectively connected with the negative pressure administration device 1 through a plurality of administration connecting pipes 4; the negative pressure-drug delivery-negative pressure process of the wound surface covered by the combined film paste 2 is circulated through the negative pressure drug delivery device 1 as with the single combined film paste 2, when the drug delivery treatment of the wound is not needed, the negative pressure is carried out on the wound, the redundant liquid medicine and tissue liquid of the wound are removed, the dryness of the wound surface is ensured, and meanwhile, the generation of fresh tissues of the wound surface is promoted through the negative pressure environment of the wound surface, and the recovery of the wound surface is accelerated.
When the single combined type membrane paste 2 or the plurality of combined type membrane pastes 2 are used in a combined mode, the wound surface and the external environment are isolated through the membrane pastes, external bacteria and the like are prevented from invading the wound surface, the infection rate of the wound surface is reduced, all parts of the combined type membrane paste 2 are transparent structures, the wound surface part can be observed through the combined type membrane paste 2, medical personnel can conveniently conduct wound treatment, the negative pressure medicine feeder 1 is connected with the negative pressure mechanism 24 through the negative pressure connecting pipe 3, a negative pressure environment is provided for the wound surface, so that redundant tissue liquid separated out from the wound surface is extracted through negative pressure, the drying of the wound surface is guaranteed, meanwhile, the generation of fresh tissues of the wound surface is promoted, and the recovery of the wound surface is accelerated; the negative pressure medicine feeder 1 is communicated with the medicine feeding mechanism 25 through the medicine feeding connecting pipe 4, so that liquid medicine can be uniformly pumped into the wound surface when the wound surface needs to be subjected to medicine feeding treatment, the healing of the wound surface is promoted through the effective covering of the liquid medicine, and the recovery of the wound surface is accelerated.
Further, referring to fig. 2-4, the dressing layer 22 includes a central dressing region 221 and an edge dressing region 222, the central dressing region 221 and the substrate layer 21 are fixed together and cannot be separated; an adhesive layer 211 is arranged between the edge dressing area 222 and the substrate layer 21, and the edge dressing area 222 and the substrate layer 21 can be separated; after the edge dressing region 222 is separated from the substrate layer 21, the adhesive layer 211 remains on the surface of the substrate layer 21, the adhesive layer 211 remains tacky, and the edge dressing region 222 is not tacky.
Wherein, central dressing district 221 and edge dressing district 222 are transparent porous material and make, the compound fixed mode between central dressing district 221 and the substrate layer 21 includes but not limited to hot pressing complex, paste complex etc, be connected through pasting layer 211 between edge dressing district 222 and the substrate layer 21, it is the non-setting adhesive layer to paste layer 211, and the non-setting adhesive is fixed on the substrate layer 21 region that corresponds to edge dressing district 222, edge dressing district 222 can with paste and separate between the layer 211, edge dressing district 222 is separated the back, the substrate layer 21 can be pasted at the wound through naked pasting layer 21 corresponding to the region of separating edge dressing district 222, or paste fixedly through pasting layer 21 with a plurality of combination formula membrane pastes 2.
Further, referring to fig. 4, when the combined type film 2 is used alone, after all the edge dressing regions 222 of one combined type film 2 are separated and removed, one combined type film 2 can be adhered to the wound surface through the adhesive layer 211.
When the combined type film plasters 2 are used in combination, please refer to fig. 5-7, the edge dressing regions 222 of two adjacent combined type film plasters 2 are overlapped, the overlapped edge dressing region 222 of one combined type film plaster 2 of two adjacent combined type film plasters 2 is removed, and the exposed adhesive layer 211 and the dressing layer 22 of the other combined type film plaster 2 are adhered and fixed, so as to combine the combined type film plasters 2 for use.
When the combined type membrane 2 is used alone, please refer to fig. 2-4, all the edge dressing areas 222 of the combined type membrane 2 are removed, all the adhesive layers 211 around the central dressing area 221 are exposed, the center of the combined type membrane 2 is aligned with the center of the wound surface, the combined type membrane 2 covers the wound surface, the combined type membrane 2 is adhered to the wound surface through the adhesive layers 211 by pressing the area of the substrate layer 21 where the adhesive layers 211 are located, so that the wound surface is isolated from the external space, external bacteria and the like are prevented from invading the wound surface, and the infection rate of the wound surface is reduced.
When a plurality of combined type film pastes 2 are combined for use, please refer to fig. 5-7, firstly, the number of the combined type film pastes 2 to be used is judged according to the size of a wound surface, then, the combined type film pastes 2 to be combined for use are mutually pasted to be combined into a film paste matched with the size of the wound surface, wherein, the edge dressing areas 222 of two adjacent combined type film pastes 2 are overlapped, then the overlapped edge dressing area 222 of any one combined type film paste 2 in two adjacent combined type film pastes 2 is removed, the pasting layer 211 exposed by the edge dressing area 222 and the base material layer 21 of the other combined type film paste 2 are removed through the combined type film paste 2, so that in the combined film paste, at most, only one dressing layer 22 is arranged at any position, thereby preventing the dressing layer 22 from influencing the later negative pressure and the drug administration process, simultaneously preventing the overlapped dressing layer 22 from obstructing the penetration of light rays and influencing the transparency of the overlapped area, thereby ensuring the visibility of wounds to personnel to observe and treat the medical matters in time; after the plurality of combined type membrane stickers 2 are pasted and combined, the edge dressing area 222 of the outer ring of the combined membrane sticker is completely removed, so that the membrane sticker and the skin around the wound are pasted and fixed by removing the pasting layer 211 exposed from the edge dressing area 222, the wound is isolated from the external space, external bacteria and the like are prevented from invading the wound, and the infection rate of the wound is reduced.
Further, referring to fig. 2-3, the negative pressure mechanism 24 includes a plurality of liquid pumping holes 241, a plurality of liquid pumping pipes 242 and a liquid pumping head 243, the liquid pumping holes 241 are uniformly distributed on the outer surface of the central dressing area 221, and the liquid pumping holes 241 are connected to the liquid pumping head 243 through the liquid pumping pipes 242; the administration mechanism 25 comprises a plurality of injection holes 251, a plurality of injection tubes 252 and injection heads 253, wherein the injection holes 251 are uniformly distributed on the outer surface of the central dressing region 221, and the injection holes 251 are respectively connected with the injection heads 253 through the injection tubes 252.
In practical use, the liquid extracting pipe 242 and the liquid injecting pipe 252 may be disposed between the substrate layer 21 and the dressing layer 22, and only the liquid extracting head 243 and the liquid injecting head 253 are exposed out of the substrate layer 21, so as to prevent too many exposed lines from increasing the operation difficulty.
In use, the negative pressure connecting pipe 3 is connected to the liquid pumping head 243, negative pressure provided by the negative pressure administration device 1 can act on each liquid pumping hole 241 through the liquid pumping pipe 242, and negative pressure is provided at the wound surface covered by the combined membrane sticker 2 due to the action of the negative pressure, so that redundant tissue liquid and the like of the wound surface are pumped out through the negative pressure, and the tissue generation of the wound surface is promoted through the negative pressure; by connecting the administration connecting pipe 4 at the liquid injection head 253, the negative pressure administration set 1 doses the medicine to each liquid injection hole 251 through the administration connecting pipe 4 as required; the negative pressure administration device 1 is not started in the administration process.
Further, when the combined membrane patch 2 is used alone, please refer to fig. 1, the negative pressure connection tube 3 is connected to the liquid extraction head 243, and generates a negative pressure effect on the dressing layer 22 through the liquid extraction tube 242 and the liquid extraction hole 241 connected to the liquid extraction tube 242, and the negative pressure effect can act on the wound surface; when the combined patch 2 is used alone, the administration connecting tube 4 is connected to the injection head 253, and the medicinal solution is supplied to the dressing layer 22 through the injection hole 251 connected to the injection tube 252 and the injection tube 252.
Referring to fig. 5-7, the combined film sticker 2 further includes a combined connecting pipe 5, wherein the combined connecting pipe 5 is used for respectively communicating the negative pressure mechanisms 24 of the combined film stickers 2 with the negative pressure connecting pipe 3 when the combined film stickers 2 are used in combination; the combined connecting pipe 5 is also used for communicating the administration mechanisms 25 of the plurality of combined type patches 2 with the administration connecting pipe 4, respectively, when the plurality of combined type patches 2 are used in combination.
The combined connecting pipe 5 is divided into a main connecting pipe and a plurality of branch connecting pipes, the main connecting pipe is used for being connected with the negative pressure connecting pipe 3 or the administration connecting pipe 4, the branch connecting pipes are used for being connected with the liquid pumping head 243 or the liquid injection head 253 respectively, and when the branch connecting pipes are not connected, the branch connecting pipes are closed.
In practical use, the outer side surface of the combined connecting pipe 5 is provided with pasting points at certain intervals, and the combined connecting pipe 5 and the surface of the substrate layer 21 of the combined film sticker 2 can be pasted; preferably, the substrate layer 21 surface of combination formula membrane subsides 2 is provided with a plurality of fixation clamp, through fixation clamp with combination formula connecting pipe 5 and substrate layer 21 fixed surface, avoids combination formula connecting pipe 5 to cause the interference to medical staff's operation.
When a plurality of combination formula membrane subsides 2 are used in combination, through a plurality of built-up connection pipe 5, connect between the head 243 of taking out liquid of two adjacent combination formula membrane subsides 2 through the combination formula connecting pipe 5, connect the liquid head 253 of annotating of two adjacent combination formula membrane subsides 2, so that when a plurality of combination formula membrane subsides 2 are used in combination, only need use negative pressure connecting pipe 3 and the connecting pipe 4 of dosing to be connected the membrane subsides with combination back membrane applicator 1 at the tip of the membrane subsides after the combination, be convenient for carry out the negative pressure and the processing of dosing to the wound that the membrane subsides covered.
Further, referring to fig. 1, a first one-way circulation mechanism is disposed inside the negative pressure connecting pipes 3, and the first one-way circulation mechanism is used for preventing liquid inside the negative pressure connecting pipes 3 from flowing back to the combined film sticker 2; the inside second one-way circulation mechanism that is provided with of a plurality of connecting pipes 4 of dosing, second one-way circulation mechanism are used for preventing the inside liquid of connecting pipe 4 of dosing from dosing to negative pressure ware 1 backward flow of dosing.
In practical use, the negative pressure connecting pipe 3 and the administration connecting pipe 4 can be the same type of communicating hose, a one-way circulation mechanism is arranged inside the communicating hose, the one-way circulation mechanism can be a one-way valve, a structure similar to a tricuspid valve structure and the like for preventing backflow in one way, the communicating hose is marked with an identification of a circulation direction, and the identification of the circulation direction is passed through, so that medical staff can judge the one-way flowing direction of liquid inside the communicating hose, and the liquid can be distinguished by the use of the medical staff.
And in practical application, negative pressure ware 1 of dosing still is provided with the district that holds that is used for rolling winding negative pressure connecting pipe 3 and dosing connecting pipe 4, and through the winding post that holds the district, can accomodate unnecessary negative pressure connecting pipe 3 and the winding of dosing connecting pipe 4 to prevent that the more negative pressure connecting pipe 3 of length and dosing connecting pipe 4 from causing the influence to medical staff's operation.
Further, referring to fig. 1 and 8, the negative pressure administration device 1 includes a negative pressure pump 11 and an administration pump 12; the negative pressure pump 11 is connected with a washing bottle 111, the plurality of negative pressure connecting pipes 3 are connected to the bottom end inside the washing bottle 111, the washing bottle 111 is sealed, and the negative pressure pump 11 provides negative pressure for the top end inside the washing bottle 111; the tissue fluid sucked by the negative pressure in the negative pressure connecting pipe 3 enters the wash bottle 111 and then stays at the bottom end of the wash bottle 111.
The administration bottle 121 is connected to the administration pump 12, the administration connecting pipes 4 are all connected to the inner bottom end of the administration bottle 121, and after the administration bottle 121 contains the liquid medicine, the administration pump 12 applies positive pressure to the upper portion of the liquid surface of the administration bottle 121 to drive the liquid medicine in the administration bottle 121 to flow into the administration connecting pipes 4.
Thereby provide the negative pressure through negative pressure pump 11 to the inside top of wash-bottle 111, through this negative pressure, behind the interstitial fluid that will absorb through negative pressure connecting pipe 3 and negative pressure mechanism 24 gets into wash-bottle 111, stop in the bottom of wash-bottle 111, collect interstitial fluid and waste liquid, and the valve of seting up through wash-bottle 111 bottom is convenient for discharge the interstitial fluid and the waste liquid of collecting, and through providing the negative pressure to the inside top of wash-bottle 111, prevent that the interstitial fluid and the waste liquid of collecting from directly getting into inside negative pressure pump 11, cause the pollution to negative pressure pump 11, influence the use of negative pressure medicine feeder 1.
When the drug solution is injected into the drug vial 121, and the drug solution needs to be supplied to the wound surface, the drug pump 12 applies positive pressure above the liquid surface of the drug vial 121, and drives the drug solution in the drug vial 121 to flow into the drug connection tubes 4.
The working principle is as follows:
when in use, medical staff firstly select the combined membrane paste 2 with proper specification according to the size of the wound surface of a patient; if the wound surface can be covered by the single combined type membrane patch 2, the release paper 23 of the single combined type membrane patch 2 is separated and removed from the dressing layer 22, the center of one surface of the dressing layer 22 is aligned with the center of the wound surface, and the dressing layer 22 of the single combined type membrane patch 2 is attached to the wound surface and is fixedly adhered to the wound surface.
The central dressing area 221 and the edge dressing area 222 are both made of transparent porous materials, the composite fixing mode between the central dressing area 221 and the substrate layer 21 includes but is not limited to hot-press compounding, pasting compounding and the like, the edge dressing area 222 is connected with the substrate layer 21 through a pasting layer 211, the pasting layer 211 is a non-setting adhesive layer, the non-setting adhesive layer is fixed on the area of the substrate layer 21 corresponding to the edge dressing area 222, the edge dressing area 222 can be separated from the pasting layer 211, after the edge dressing area 222 is separated, the area of the substrate layer 21 corresponding to the separated edge dressing area 222 can be pasted on a wound surface through the exposed pasting layer 21, or a plurality of combined film pastes 2 are pasted and fixed through the pasting layer 21; when the combined type film 2 is used alone, all the edge dressing areas 222 of the combined type film 2 are removed, all the pasting layers 211 around the central dressing area 221 are exposed, the center of the combined type film 2 is aligned with the center of the wound surface, the combined type film 2 covers the wound surface, the combined type film 2 is pasted on the wound surface through the pasting layers 211 by pressing the area of the base material layer 21 where the pasting layers 211 are located, so that the wound surface is isolated from the external space, external bacteria and the like are prevented from invading the wound surface, and the infection rate of the wound surface is reduced.
Then the negative pressure mechanism 24 of the single combined type membrane paste 2 is connected with the negative pressure medicine feeder 1 through the negative pressure connecting pipe 3, the medicine feeding mechanism 25 of the single combined type membrane paste 2 is connected with the negative pressure medicine feeder 1 through the medicine feeding connecting pipe 4, the negative pressure medicine feeder 1 generates negative pressure, the negative pressure passes through the negative pressure connecting pipe 3 and the negative pressure mechanism 24 and passes through the porous material of the dressing layer 22, the negative pressure acts on the surface of the wound surface to extract redundant tissue liquid separated out from the wound surface, the drying of the wound surface is ensured, meanwhile, the generation of fresh tissues of the wound surface is promoted through the negative pressure environment of the wound surface, and the recovery of the wound surface is accelerated.
When the wound surface needs to be treated by drug delivery, the negative pressure drug delivery device 1 does not generate negative pressure any more, the negative pressure drug delivery device 1 injects the liquid medicine into the porous dressing layer 22 through the drug delivery connecting pipe 4 and the drug delivery mechanism 25, the liquid medicine is uniformly pumped into the wound surface part through the porous dressing layer 22 to uniformly deliver the drug to the wound surface part, the liquid medicine uniformly acts on the wound surface part through the dressing layer 22, after a period of drug delivery (generally after 5min after the drug delivery is completed), the negative pressure of the negative pressure drug delivery device 1 is restarted to continuously provide the negative pressure for the wound surface, firstly, the redundant liquid medicine of the wound surface is pumped out through the negative pressure, then, the redundant tissue fluid precipitated from the wound surface is continuously sucked through the action of the negative pressure, and continuous negative pressure treatment is carried out on the wound surface.
Through the circulation of the negative pressure-administration-negative pressure process, when the administration treatment is not needed to be carried out on the wound, the negative pressure is carried out on the wound, redundant liquid medicine and tissue liquid of the wound are removed, the drying of the wound surface is ensured, meanwhile, the generation of fresh tissue on the wound surface is promoted through the negative pressure environment of the wound surface, and the recovery of the wound surface is accelerated.
When the wound surface can not be completely covered by a single combined type membrane paste 2, a plurality of combined type membrane pastes 2 need to be pasted and combined for use so as to adapt to the size of the wound surface; combining a plurality of combined film pastes 2 with the same specification to form a film paste with a proper size, removing the release paper 23 of each combined film paste 2, aligning the combined film paste with the wound surface, and applying the combined film paste to the wound; the negative pressure mechanism 24 of each combined film sticker 2 is respectively connected with the negative pressure administration device 1 through a plurality of negative pressure connecting pipes 3, and the administration mechanism 25 of each combined film sticker 2 is respectively connected with the negative pressure administration device 1 through a plurality of administration connecting pipes 4; the negative pressure-drug delivery-negative pressure process of the wound surface covered by the combined film paste 2 is circulated through the negative pressure drug delivery device 1 as with the single combined film paste 2, when the drug delivery treatment of the wound is not needed, the negative pressure is carried out on the wound, the redundant liquid medicine and tissue liquid of the wound are removed, the dryness of the wound surface is ensured, and meanwhile, the generation of fresh tissues of the wound surface is promoted through the negative pressure environment of the wound surface, and the recovery of the wound surface is accelerated.
Wherein, the edge dressing regions 222 of two adjacent combined film pastes 2 are overlapped, then the overlapped edge dressing region 222 of any one combined film paste 2 in the two adjacent combined film pastes 2 is removed, and the pasting layer 211 exposed by the edge dressing region 222 and the base material layer 21 of the other combined film paste 2 are removed through the combined film paste 2, so that at most only one dressing layer 22 is arranged at any position in the combined film paste, thereby preventing the dressing layer 22 from influencing the later negative pressure and drug administration process, preventing the overlapped dressing layer 22 from blocking the light from passing through and influencing the transparency of the overlapped region, and further ensuring the visibility of the wound so as to be convenient for medical staff to observe and treat in time; after the plurality of combined type membrane stickers 2 are pasted and combined, the edge dressing area 222 of the outer ring of the combined membrane sticker is completely removed, so that the membrane sticker and the skin around the wound are pasted and fixed by removing the pasting layer 211 exposed from the edge dressing area 222, the wound is isolated from the external space, external bacteria and the like are prevented from invading the wound, and the infection rate of the wound is reduced.
When the single combined type membrane paste 2 or the plurality of combined type membrane pastes 2 are used in a combined mode, the wound surface and the external environment are isolated through the membrane pastes, external bacteria and the like are prevented from invading the wound surface, the infection rate of the wound surface is reduced, all parts of the combined type membrane paste 2 are transparent structures, the wound surface part can be observed through the combined type membrane paste 2, medical personnel can conveniently conduct wound treatment, the negative pressure medicine feeder 1 is connected with the negative pressure mechanism 24 through the negative pressure connecting pipe 3, a negative pressure environment is provided for the wound surface, so that redundant tissue liquid separated out from the wound surface is extracted through negative pressure, the drying of the wound surface is guaranteed, meanwhile, the generation of fresh tissues of the wound surface is promoted, and the recovery of the wound surface is accelerated; the negative pressure medicine feeder 1 is communicated with the medicine feeding mechanism 25 through the medicine feeding connecting pipe 4, so that liquid medicine can be uniformly pumped into the wound surface when the wound surface needs to be subjected to medicine feeding treatment, the healing of the wound surface is promoted through the effective covering of the liquid medicine, and the recovery of the wound surface is accelerated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A negative pressure wound surface treatment device is characterized in that: comprises a negative pressure administration device (1), a plurality of combined membrane pastes (2), a plurality of negative pressure connecting pipes (3) and a plurality of administration connecting pipes (4);
the combined film pastes (2) can be used independently, and a plurality of combined film pastes (2) can be used together after being pasted and combined;
the combined film sticker (2) comprises a base material layer (21), a dressing layer (22) and release paper (23), wherein the base material layer (21) and the dressing layer (22) are both made of transparent materials, the dressing layer (22) is made of porous materials, and the release paper (23) is attached to and separated from the dressing layer (22) in an adsorption manner;
the combined film (2) also comprises a negative pressure mechanism (24) and a drug administration mechanism (25);
the negative pressure mechanism (24) is connected with the negative pressure administration device (1) through the negative pressure connecting pipe (3), the negative pressure administration device (1) can generate a negative pressure effect on the dressing layer (22), and the negative pressure effect can act on a wound surface;
the drug delivery mechanism (25) is connected with the negative pressure drug delivery device (1) through the drug delivery connecting pipe (4), and the negative pressure drug delivery device (1) can supply the medicine liquid to the dressing layer (22);
the negative pressure administration device (1) generates negative pressure and supplies the liquid medicine at different time.
2. A negative pressure wound treatment device according to claim 1, wherein: the dressing layer (22) comprises a central dressing area (221) and an edge dressing area (222), and the central dressing area (221) and the substrate layer (21) are compositely fixed and cannot be separated;
an adhesive layer (211) is arranged between the edge dressing area (222) and the substrate layer (21), and the edge dressing area (222) and the substrate layer (21) can be separated;
after the edge dressing area (222) is separated from the substrate layer (21), the adhesive layer (211) is remained on the surface of the substrate layer (21), the adhesive layer (211) still has viscosity, and the edge dressing area (222) does not have viscosity.
3. The negative pressure wound treatment device of claim 2, wherein: when the combined type film pastes (2) are used independently, after all the edge dressing areas (222) of one combined type film paste (2) are separated and removed, one combined type film paste (2) can be pasted on a wound surface through the pasting layer (211).
4. The negative pressure wound treatment device of claim 2, wherein: when the combined type film pastes (2) are combined for use, the edge dressing areas (222) of two adjacent combined type film pastes (2) are overlapped, the overlapped edge dressing area (222) of one combined type film paste (2) in two adjacent combined type film pastes (2) is removed, and the exposed adhesive layer (211) and the dressing layer (22) of the other combined type film paste (2) are fixedly adhered so as to combine the combined type film pastes (2) for use.
5. A negative pressure wound treatment device according to claim 2, wherein: the negative pressure mechanism (24) comprises a plurality of liquid extracting holes (241), a plurality of liquid extracting pipes (242) and a liquid extracting head (243), the liquid extracting holes (241) are uniformly distributed on the outer surface of the central dressing area (221), and the liquid extracting holes (241) are respectively connected with the liquid extracting head (243) through the liquid extracting pipes (242);
the administration mechanism (25) comprises a plurality of liquid injection holes (251), a plurality of liquid injection pipes (252) and liquid injection heads (253), the liquid injection holes (251) are uniformly distributed on the outer surface of the central dressing area (221), and the liquid injection holes (251) are respectively connected with the liquid injection heads (253) through the liquid injection pipes (252).
6. The negative pressure wound treatment device of claim 5, wherein: when the combined membrane patch (2) is used independently, the negative pressure connecting pipe (3) is communicated with the liquid extracting head (243), and a negative pressure effect is generated on the dressing layer (22) through the liquid extracting pipe (242) and the liquid extracting hole (241) connected with the liquid extracting pipe (242), and the negative pressure effect can act on the wound surface;
when the combined membrane patch (2) is used alone, the administration connecting pipe (4) is communicated with the liquid injection head (253), and liquid medicine is supplied to the dressing layer (22) through the liquid injection pipe (252) and the liquid injection hole (251) connected with the liquid injection pipe (252).
7. A negative pressure wound treatment device according to claim 1, wherein: the combined type film paste is characterized by further comprising a combined connecting pipe (5), wherein the combined connecting pipe (5) is used for respectively communicating negative pressure mechanisms (24) of the combined type film pastes (2) with the negative pressure connecting pipe (3) when the combined type film pastes (2) are used in a combined mode;
the combined connecting pipe (5) is also used for communicating the administration mechanisms (25) of the combined type film pastes (2) with the administration connecting pipe (4) respectively when the combined type film pastes (2) are used in a combined mode.
8. A negative pressure wound treatment device according to claim 1, wherein: a first one-way circulation mechanism is arranged in the negative pressure connecting pipes (3) and is used for preventing liquid in the negative pressure connecting pipes (3) from flowing back to the combined film sticker (2);
a plurality of it is provided with the one-way circulation mechanism of second to administer connecting pipe (4) inside, the one-way circulation mechanism of second is used for preventing the inside liquid of connecting pipe (4) of dosing to ware (1) backward flow is administered to the negative pressure.
9. A negative pressure wound treatment device according to claim 1, wherein: the negative pressure administration device (1) comprises a negative pressure pump (11) and an administration pump (12);
the negative pressure pump (11) is connected with a washing bottle (111), the negative pressure connecting pipes (3) are connected to the bottom end of the inside of the washing bottle (111), the washing bottle (111) is sealed, and the negative pressure pump (11) provides negative pressure for the top end of the inside of the washing bottle (111);
the tissue fluid sucked by the negative pressure of the negative pressure connecting pipe (3) enters the wash bottle (111) and then stays at the bottom end of the wash bottle (111).
10. A negative pressure wound treatment device according to claim 9, wherein: it is provided with for medicine bottle (121) to administer pump (12) connection, and is a plurality of administration connecting pipe (4) are all connected give the inside bottom of medicine bottle (121), hold the liquid medicine for medicine bottle (121) after, administer pump (12) to give medicine bottle (121) liquid level top and apply the malleation, the drive give inside liquid medicine of medicine bottle (121) and flow into a plurality of inside connecting pipe (4) of dosing.
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| CN202505959U (en) * | 2012-04-28 | 2012-10-31 | 山东赛克赛斯药业科技有限公司 | Compound flexible drainage device |
| CN204072482U (en) * | 2014-09-11 | 2015-01-07 | 贾玉珍 | A kind of new medical wound dressings pastes |
| US20180147330A1 (en) * | 2015-04-23 | 2018-05-31 | Guangzhoa Sun-Shing Biotech Co., Ltd. | Multifunctional negative pressure drainage system |
| CN205095232U (en) * | 2015-11-06 | 2016-03-23 | 郑州人民医院 | Concatenation formula negative pressure drainage device |
| CN205411462U (en) * | 2015-12-23 | 2016-08-03 | 天津翔越医疗器械有限公司 | But negative pressure medical dressing of drainage wound diffusate |
| CN106073994A (en) * | 2016-07-08 | 2016-11-09 | 河南汇博医疗股份有限公司 | A kind of wound comprehensive therapy equipment |
| CN206183717U (en) * | 2016-08-23 | 2017-05-24 | 孙彩霞 | High negative pressure enclosing drainage flushing infection prevention apparatus |
| CN107569322A (en) * | 2017-10-18 | 2018-01-12 | 广州润虹医药科技股份有限公司 | A kind of negative-pressure wound therapeutic system |
| CN208552614U (en) * | 2017-10-23 | 2019-03-01 | 广东美捷威通生物科技有限公司 | A kind of Wound treating micro-vacuum system |
| CN211214903U (en) * | 2019-09-26 | 2020-08-11 | 上海市光华中西医结合医院(上海市光华医院) | Medical negative pressure drainage device |
| CN211326142U (en) * | 2019-12-06 | 2020-08-25 | 河南汇博医疗股份有限公司 | Closed negative pressure drainage wound protection material system |
| CN213466201U (en) * | 2020-04-19 | 2021-06-18 | 黄文书 | Negative pressure drainage paste and negative pressure drainage device |
| CN215023094U (en) * | 2020-12-28 | 2021-12-07 | 云南省肿瘤医院(昆明医科大学第三附属医院) | Negative pressure sealing drainage device for surgical defect wound infection nursing |
| CN215875688U (en) * | 2021-05-28 | 2022-02-22 | 三门峡市中心医院(三门峡市儿童医院、三门峡市妇幼保健院) | Chronic difficult-to-heal wound treatment device |
| CN215741284U (en) * | 2021-06-03 | 2022-02-08 | 三峡大学附属仁和医院 | Wound surface treatment device |
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