CN110236790A - Adding pressure type wound dressing structure and adding pressure type wound closure - Google Patents

Adding pressure type wound dressing structure and adding pressure type wound closure Download PDF

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Publication number
CN110236790A
CN110236790A CN201910599145.0A CN201910599145A CN110236790A CN 110236790 A CN110236790 A CN 110236790A CN 201910599145 A CN201910599145 A CN 201910599145A CN 110236790 A CN110236790 A CN 110236790A
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China
Prior art keywords
dressing
shell
wound
pressure type
adding pressure
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CN201910599145.0A
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Chinese (zh)
Inventor
童荟锦
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Shanghai Jinchen Pharmaceutical Technology Co Ltd
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Shanghai Jinchen Pharmaceutical Technology Co Ltd
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Priority to CN201910599145.0A priority Critical patent/CN110236790A/en
Publication of CN110236790A publication Critical patent/CN110236790A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/08Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound
    • A61B17/085Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound with adhesive layer
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/02Adhesive bandages or dressings

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Vascular Medicine (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

The invention discloses a kind of adding pressure type wound dressing structure and adding pressure type wound closures, are related to curable product field.The adding pressure type wound dressing structure, including shell, stickers and dressing component, the bottom opening of the shell, the stickers are set to the opening edge of housing bottom along upper, the bottom of stickers is provided with the adhesive surface on the skin surface for pasting wound circumference, told dressing component is set to enclosure interior, and the gap between dressing component and inner walls is compressible adjusting setting so that the position that dressing component is located at housing bottom opening is pushed outwardly.The position that the present invention can make dressing component be located at housing bottom opening is pushed outwardly, and then the corresponding pressure effect that can actively press to wound and surrounding tissue, it can be realized to wound subrange and apply stressed functional effect, and then acted on by applying certain pressure to wound side, certain contention effect can be played to wound location.

Description

Adding pressure type wound dressing structure and adding pressure type wound closure
Technical field
The present invention relates to curable product field more particularly to a kind of adding pressure type wound dressing structures and a kind of adding pressure type to hurt Mouth closer.
Background technique
Common wound dressing is typically only used for Wound protection covering and absorbs Wound exudate, will not usually have simultaneously There are wound top surface pressurization function and the horizontal drawing function of wound.
Existing part is used for the casting product of pressure dressing, it usually needs uses tape stretch or Elastic bandage by outside Mode pressure dressing realize.Advantage is easy to use;Its disadvantage 1 is that pressure area is big, is easy to cause a wide range of tissue compression Ischemic is unfavorable for wound healing;Disadvantage 2 be it is inefficient, effective pressure can not be converged and accurately act on damaged skin edge position;It lacks Point 3 is not provide a kind of datum plane for having moulding function to the healing of damaged skin edge, more when the convex out-of-flatness of damaged skin emargination Wound skin edge out-of-flatness after conjunction is unsightly;Disadvantage 4 is to arrange when the damaged two sides Pi Yuan do not complete horizontal pairing without appropriate Apply the further pairing of drawing wound skin edge.
Summary of the invention
Technical problem solved by the present invention is stressed adding pressure type can be applied to wound subrange surface by providing one kind Wound dressing structure.
The technical solution adopted by the present invention to solve the technical problems is: adding pressure type wound dressing structure, including shell, viscous Patch and dressing component, the bottom opening of the shell, the stickers are set to the opening edge of housing bottom along upper, are pasting The bottom of part is provided with the adhesive surface on the skin surface for pasting wound circumference, and told dressing component is set in shell Portion, and the gap between dressing component and inner walls is compressible adjusting setting so that dressing component is opened positioned at housing bottom The position of mouth is pushed outwardly.
Further, the shell is the structure of the shrinkable deformation of chamber portions.
Further, the shell includes left side sealed membrane and right side sealed membrane, sealed membrane and right side sealing in left side The sealing strip that can seal against each other cooperation is respectively arranged on film.
Further, the shell includes left side baffle, right-hand apron and pressing cover, the pressing cover can on Lower movement is adjustably arranged between left side baffle and right-hand apron, and the dressing component is located at below pressing cover.
Further, the shell is soft sealing film, when on the skin surface that fitting part is pasted on wound circumference Seal cavity can be formed inside housings later, the seal cavity passes through the vacuum-pumping tube and external connection across shell; Pumping check valve is provided in vacuum-pumping tube.
Further, the dressing component is the combine dressing filler of inflatable volume.
Further, the combine dressing filler includes dressing body and spring, it is intracorporal that the spring is set to shell Between top and dressing body or it is set to inside dressing body.
Further, the combine dressing filler includes dressing body and expansion pouch, the expansion pouch is set to Between the intracorporal top of shell and dressing body or the expansion pouch is set to inside dressing body;The expansion pouch by across The pressurising pipeline of shell is connect with the external world;Pressurising check valve is provided on pressure charging pipe road.
Further, the combine dressing filler includes dressing body, the dressing body is applied using imbibition self-expansion type Material is made.
Further, the opening edge edge of housing bottom connect with the middle part of stickers and stickers is divided into towards shell Epitaxy part that outside extends and towards enclosure interior extend in prolong portion, and prolong portion in the stickers for being located at shell two sides Between be equipped with resigning mouthful corresponding with wound, the dressing component for being set to enclosure interior can be covered on the interior of wound and two sides Prolong above portion.
Further, it is additionally provided with stress dispersion layer between in the opening edge of stickers and housing bottom, it is described to answer Power dispersion layer is bonded the upper surface for being set to stickers, and the rigidity of the stress dispersion layer is greater than the rigidity of stickers, shell bottom The opening edge edge in portion is connect with the non-edge position of stress dispersion layer.
Further, moulding plate is arranged in the bottom of dressing component, the bottom surface of the moulding plate is surfacing Wound pairing datum plane.
The beneficial effect of adding pressure type wound dressing structure described in aforementioned present invention is: by dressing component and inner walls Between gap be compressible adjusting setting function after can make dressing component be located at housing bottom be open position it is outside It squeezes, and then the corresponding pressure effect that can actively press to wound and surrounding tissue surface, can be realized to wound part model It encloses surface and applies stressed functional effect, and then acted on by applying certain pressure to wound side, wound location can be risen To certain contention effect, it on the one hand can play certain anastalsis and sepage is avoided persistently to ooze out, another party can then pass through Dressing is pressed into wound location, can be improved the alignment function and effect to wound, especially when further in dressing component bottom Planarization and aesthetics when the case where being provided with moulding plate, after wound healing can be improved.In addition, for realizing in the present invention Gap between dressing component and inner walls is that the function of compressible adjusting can specifically divide from shell and from dressing component It does not take a variety of different technological means to realize, can meet respectively the needs of different according to respective advantage and disadvantage;Wherein especially It, can be according to infiltration when being made to the combine dressing filler of dilatancy as dressing component using the dressing of imbibition self-expansion type The seepage discharge of liquid realizes that the swell increment of dressing is adjusted automatically, and then realizes that feedback control is applied to the pressure on wound, with into one Step is improved to the contention effect effect of wound, reduces sepage amount, realize automatic feedback adjust applied to wound location it is stressed Effect.In addition, on the one hand being reduced along being connect with the middle part of stickers in course of exerting pressure by the opening edge of setting housing bottom Influence of the middle shell to the distraction of stickers to stickers firm pasting, it is on the other hand then corresponding by being formed Inside prolong portion to prolong portion by interior during pushing wound by dressing component simultaneously and further clamp, stickup can be further increased The sticking effect of part, prevents the problem of causing stickers to fall off in course of exerting pressure.In addition, being dispersed by further setting stress Layer, can further disperse the directed force F that shell applies stickers, prevent stress from concentrating and causing to pull skin.
In addition, also providing a kind of adding pressure type wound closure in the present invention, hurt including adding pressure type described in aforementioned present invention Mouthful dressing structure, further includes wound dressing frame, and the wound dressing frame includes drawing part, fixing piece and dressing fence, Dressing rest area is formed inside dressing fence, the fixing piece is arranged along the two sides of dressing fence, corresponding with each fixing piece It is provided at least one drawing part, one end of each drawing part is connected with corresponding fixing piece, the other end and dressing of drawing part Fence is connected close to the side of corresponding fixing piece, and the distance between fixing piece and dressing fence is adjusted by drawing part, The bottom surface of fixing piece is provided for being pasted on the fixation adhesive surface on skin;The adding pressure type wound dressing structure setting in by In the dressing rest area.
Adding pressure type wound closure described in aforementioned present invention, by by adding pressure type wound dressing structure and wound dressing frame Frame is used cooperatively, and can be played to adding pressure type wound dressing structure fixed effect appropriate by wound dressing frame, be prevented from pressurizeing Formula wound dressing structure causes to strut wound there is a situation where moderate finite deformation in wound location course of exerting pressure;In addition can lead to It crosses fixing piece and is pasted and fixed on wound two sides, while drawing the skin of wound two sides to centre by the drawing of drawing part effect Hold together, so ensure wound two sides skin edge to centre traction alignment, and then by with adding pressure type wound dressing structure to wound location Apply suppressing action to cooperate, realizes the horizontal drawing to wound and realize and the dual function that wound surface is pressurizeed is imitated Fruit can improve planarization and aesthetics after wound healing in wound healing process.
Detailed description of the invention
The section of adding pressure type wound dressing structure when Fig. 1 is the combine dressing filler using spring and dressing body composition Schematic diagram;
Schematic diagram when Fig. 2 is adding pressure type wound dressing structure described in Fig. 1 and wound cooperation;
Adding pressure type wound dressing structure cuts when Fig. 3 is the combine dressing filler using expansion pouch and dressing body composition Face schematic diagram, wherein expansion pouch is located above dressing body;
Adding pressure type wound dressing structure cuts when Fig. 4 is the combine dressing filler using expansion pouch and dressing body composition Face schematic diagram, wherein expansion pouch is located inside dressing body;
The section of adding pressure type wound dressing structure when Fig. 5 is using the dressing of imbibition self-expansion type as combine dressing filler Schematic diagram;
The schematic cross-section for the adding pressure type wound dressing structure that Fig. 6 is the shape of shell when being semielliptical shape structure;
Fig. 7 is the schematic perspective view of housing parts;
Fig. 8 is the schematic cross-section of dressing body, while structural schematic diagram when being provided with pairing standard;
Fig. 9 is structural schematic diagram when shell uses sealed membrane;
Figure 10 is structural schematic diagram when shell is equipped with pressing cover;
The structural schematic diagram that Figure 11 is shell when being soft sealing film;
Figure 12 is the structural schematic diagram connected between stickers and shell when being provided with stress dispersion layer;
Has traction state schematic diagram when using the stress dispersion plate for having certain rigidity to skin in Figure 13 for stickers;
Has traction state schematic diagram when using flexible piece to skin in Figure 14 for stickers;
Figure 15 is the schematic diagram of wound dressing frame;
Figure 16 is the cross-sectional view of Figure 15;
In the figure, it is marked as drawing part 1, fixing piece 2, dressing fence 3, dressing rest area 4, fixed adhesive surface 5, left side sealing Film 6, right side sealed membrane 7, sealing strip 8, left side baffle 9, right-hand apron 10, pressing cover 11, seal cavity 12, vacuum-pumping tube 13, be evacuated check valve 14, wound dressing frame 15, stress concentration region 16, stickers 17, wound 18, adhesive surface 19, buckle 20, Card slot 21, pressurising check valve 22, spring 23, expansion pouch 24, pressurising pipeline 25, epitaxy part 26, it is interior prolong portion 27, resigning mouthful 28, Moulding plate 29, wound pairing datum plane 30, shell 31, dressing body 32, adding pressure type wound dressing structure 33, stress dispersion layer 34。
Specific embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Fig. 1 to Figure 14, adding pressure type wound dressing structure of the present invention, adding pressure type wound dressing structure, Including shell 31, stickers 17 and dressing component, the bottom opening of the shell 31, the stickers 17 are set to 31 bottom of shell The opening edge in portion is provided with for pasting the adhesive surface on the skin surface around wound 18 along upper in the bottom of stickers 17 19, told dressing component is set to inside shell 31, and the gap between 31 inner wall of dressing component and shell is compressible tune Section is arranged so that the position that dressing component is located at 31 bottom opening of shell is pushed outwardly.
Wherein, the gap being arranged between dressing component and 31 inner wall of shell is compressible adjusting setting so that dressing component position It is pushed outwardly in the position of 31 bottom opening of shell.The purpose being arranged in this way is can be generated when in use by shrinking to adjust Squeezing action so that dressing component is applied phase from 31 bottom opening position of shell to 18 position of wound and surrounding skin histology The normal pressure answered can be realized stressed to applying to 18 subrange of wound with realizing that the active to 18 position of wound is pressurizeed Functional effect, and then acted on by applying certain pressure to 18 side of wound, certain compressing can be played to 18 position of wound Effect, on the one hand can play certain anastalsis and sepage is avoided persistently to ooze out, another party then can be by pressing to wound for dressing Oral area position can be improved the alignment function and effect to wound.
Specifically, realizing that the gap between 31 inner wall of above-mentioned dressing component and shell is the function of compressible adjusting in the present invention Can be realized by following two classes mode: the first is to make the reduced space inside shell 31 by shrinking shell 31 To realize;Second is by expanding dressing component to realize;Certainly, without loss of generality, above-mentioned contraction shell can be used simultaneously Body 31 and expansion dressing component are to realize.
More specifically, by way of shrinking shell 31, can at least following three kinds be used in the present invention:
The first, referring to shown in attached drawing 9, the shell 31 includes left side sealed membrane 6 and right side sealed membrane 7, in left side The sealing strip 8 that can seal against each other cooperation is respectively arranged on sealed membrane 6 and right side sealed membrane 7.Become when needing shell 31 to shrink When shape, left side sealed membrane 6 and right side sealed membrane 7 are fastened into corresponding sealing strip 8 successively inwardly to realize.It is furthermore preferred that described Sealing strip 8 is provided at least two rows of along the depth direction of shell 31.In this way, when multiple rows of sealing strip 8 is arranged, from closing outermost one The beginning is arranged, after oppressing 31 body wall of shell between one row of adjacent inboard to reduce internal volume, closes the adjacent inboard one in time The sealing strip of row is, it can be achieved that repeatedly adjustment housings 31 are to gradually taper up deformation diminution 31 internal volume of shell.
Second, referring to shown in attached drawing 10, the shell 31 includes left side baffle 9, right-hand apron 10 and pressing cover 11, the pressing cover 11, which can move up and down, to be adjustably arranged between left side baffle 9 and right-hand apron 10, the dressing group Part is located at 11 lower section of pressing cover.When needing 31 contraction distortion of shell, it is only necessary to push after adjusting the pressing cover 11 i.e. It can be achieved.More specifically, buckle adjustment structure can be used in the pushing adjusting of pressing cover 11, as shown in Fig. 10, can be under The bear down on one edge of lid 11 is provided with corresponding buckle 20, while in the inner wall of left side baffle 9 and right-hand apron 10 along depth direction The multistage card slot 21 with 20 cooperation of buckle is provided with to push by the cooperation of buckle 20 and the card slot 21 of different levels to realize The different depression depths of top cover 11 realize the purpose of 31 different levels contraction distortion of shell with this.
The third, referring to shown in attached drawing 11, the shell 31 is soft sealing film, when fitting part 17 is pasted on wound Seal cavity 12 can be formed after on skin surface around 18 inside shell 31, the seal cavity 12 is by passing through shell The vacuum-pumping tube 13 and external connection of body 31.When needing 31 contraction distortion of shell, it is only necessary to by vacuum-pumping tube 13 by shell The contraction purpose of shell 31 is realized after vacuumizing inside 31 by atmospheric pressure.Certainly, without loss of generality, such mode needs to match Corresponding vaccum-pumping equipment, such as vacuum pump are covered, while the leakproofness for also needing to be formed by seal cavity 12 is higher, to guarantee to take out Vacuum is achieved.In addition, can further be provided with pumping check valve 14 in vacuum-pumping tube 13 for the ease of vacuumizing.
In addition, can be directly answering for inflatable volume by dressing component whole installation by way of expanding dressing component Dressing filler is closed, i.e., the combine dressing filler includes dressing body 32, while the combine dressing filler can also generate accordingly Expansion function.Specifically, can at least use following four kinds in the present invention;
The first, referring to shown in attached drawing 1 and attached drawing 2, the combine dressing filler includes dressing body 32 and spring 23, the spring 23 is set between the top in shell 31 and dressing body 32.I.e. this kind of mode is by spring 23 by precompressed The elastic force effect generated after contracting, releases the expansion of realization combine dressing filler itself after precommpression, while can be to dressing Body 32 applies downward pressure effect so that dressing body 32 generate the pressure for pressing to wound side.Without loss of generality, when necessary Spring 23 may also set up inside dressing body 32, as long as it can play the expansion to dressing body 32.
Second, referring to shown in attached drawing 3 and attached drawing 6, the combine dressing filler includes dressing body 32 and swelling bag Bag 24, the expansion pouch 24 is set between the top in shell 31 and dressing body 32;The expansion pouch 24 by across The pressurising pipeline 25 of shell 31 is connect with the external world.When needing to expand, it is only necessary to through pressurising pipeline 25 into expansion pouch 24 It is filled with after corresponding pressurising medium so as to expand the expansion of pouch 24, and then the expansion by expanding pouch 24 generates and pushes dressing body 32 effect so that dressing body 32 generate and press to the pressure of wound side.Without loss of generality, in non-pressurising, swelling bag Bag 24 should be compressive state, allows it to generate expansion in pressurising.In addition, pressurising medium can be gas medium It may be liquid medium, such as can be air or water.In addition, expansion pouch 24 should have certain expansion and tool There is certain leakproofness to ensure the continuous and effective remained inflated for after pressurising.In addition, needing in punching press by corresponding It is capable of providing the device of pressurising medium, such as air pump or water pump etc..In addition, for the ease of pressurising, it further can be in pressurising Pressurising check valve 22 is provided on pipeline 25.
The third, referring to shown in attached drawing 4, the combine dressing filler includes dressing body 32 and expansion pouch 24, institute Expansion pouch 24 is stated to be set to inside dressing body 32;The expansion pouch 24 is by passing through the pressurising pipeline 25 of shell 31 and extraneous Connection.Similarly, pressurising check valve 22 can also be provided on pressurising pipeline 25.This kind of structure type and above-mentioned second of structure shape Formula is similar, is adjusted for expanding the installation site of pouch 24.
4th kind, referring to shown in attached drawing 5, the combine dressing filler includes dressing body 32, and the dressing body 32 is adopted It is made of imbibition self-expansion type dressing.Wherein, dressing body 32 made of so-called imbibition self-expansion type dressing refers to a kind of inhaling The dressing materials that effect itself can be expanded after receipts liquid such as purify plant amylum for example, by using expandable polymeric material The styptic powder or stanch fibre of class, the materials such as the high water-absorption fiber fabric or precommpression dehydrated fiber fabric of hydrophilic class production and At.Also have the advantage that by using imbibition self-expansion type dressing materials: on the one hand, this kind of dressing body 32 can effectively be inhaled On the other hand the swell increment tune of dressing body 32 can then be realized automatically according to the seepage discharge of sepage by receiving the sepage generated at wound 18 Section, and then realize that feedback control is applied to the pressure on wound, to further increase contention effect, sepage amount is reduced, is realized Automatic feedback adjusts to wound location and applies stressed effect;It can be automatically adjusted and be applied according to the sepage amount oozed out at wound 18 The swell increment of Material 32, and then adjust the pressure size applied to wound location, i.e. sepage amount at wound 18 is bigger, then dressing 32 swell increment of body is bigger, generation it is bigger to the pressure of wound 18, and pressure gets over senior general and is oppressed the tissue at 18 position of wound Effect is bigger, and then plays the role of stronger hemostasis by compression, prevents the further exudation of sepage.In addition, in addition to dressing body 32 is adopted Outside the mode made of imbibition self-expansion type dressing, may also set up combine dressing filler includes at least one layer of imbibition self-expanding material The bed of material, and lamination layer structure is formed after the imbibition self-expanding material layer is set on dressing body 32;Wherein, imbibition self-expanding material The bed of material should be made of the material that one kind itself can expand effect after absorption of liquid.
Without loss of generality, the structure of the shell 31 in the present invention, can be used different structure type, can be according to practical feelings Condition uses cuboid structure, as shown in Fig. 7;It may be alternatively provided as in semielliptical shape structure, as shown in Fig. 6.In addition, For the rear and front end of shell 31, corresponding Seal treatment should be carried out in the present invention, so that shell 31 only has bottom opening Corresponding circle stickers 17 can should be arranged as shown in Fig. 7 in structure on the whole circle edge of 31 bottom opening of shell.
In addition, the shell 31 in the present invention can be set when dressing component is the combine dressing filler of inflatable volume It is set to the nondistensible structure of internal cavity, the expansion for being set to its internal combine dressing filler in this way can only pass through Positioned at 31 bottom opening expansion of shell, and then raising can be applied effectively to wound side by the expansion of combine dressing filler Plus-pressure.More specifically, 31 entirety of shell is preferably provided with to be made of stiff flexible material, it is flexible for example, by using not having Plastic foil, cloth flexible or non-woven fabrics flexible etc., can be from shell after combine dressing filler expands as long as ensuring Expansion is at 31 bottom openings to generate the pressure to wound side.
It is also had the advantage that in addition, shell 31 is made using above-mentioned stiff flexible material: first, it can further mention The suitability of high adding pressure type wound dressing structure and wound of different shapes can be placed by the shape bending with wound and be added Pressure type wound dressing structure is to be adapted to;Second, it can be by other wound drawing structures of mating setting, such as in this patent The wound dressing frame 15 of mating setting can allow for drawing two sides of wound 18 to centre by the deformation of shell 31 in this way It closes, so that the skin edge of 18 two sides of wound draws alignment over to one's side to centre, to ensure the healing effect after wound is drawn over to one's side.
In addition, the opening edge edge that 31 bottom of shell is further arranged in the present invention connect with the middle part of stickers 17 and will glue Patch 17 is divided for towards the epitaxy part 26 extended outside shell 31 and towards prolonging portion 27 in 31 internal stretch of shell, and in place It is equipped with resigning mouthful 28 corresponding with wound 18 between portion 27 in prolonging in the stickers 17 of 31 two sides of shell, is set in shell 31 The dressing component in portion can be covered on wound 18 and the interior of two sides prolongs 27 top of portion;I.e. the opening edge of 31 bottom of shell along with it is viscous It is in rough butterfly connection structure between patch 17, as shown in the drawing.The benefit being arranged in this way has: on the one hand reducing can Shell 31 pastes jail to stickers 17 to the distraction of stickers 17 in the combine dressing filler expansion process of expansion The influence of solidity can avoid shell 31 and pull and cause since the edge of stickers 17 to the peeling force that stickers 17 generate Stickers 17 are easy the case where edge is removed from skin surface;On the other hand then prolong portion 27 by being formed in corresponding, together When by expandable combine dressing filler expansion push wound 18 during by it is interior prolong portion 27 further clamp, can The sticking effect for further increasing stickers 17 prevents the problem of causing stickers 17 to fall off in course of exerting pressure.It does not lose general Property, inside prolonging portion 27 should be set as not being covered on wound 18 as far as possible, therefore need to reserve resigning mouthful 28 accordingly, to be used for Contact of the wound 18 with dressing component.
In addition, the opening edge in the present invention further in 31 bottom of stickers 17 and shell is additionally provided with stress point between Layer 34 is dissipated, the stress dispersion layer 34 is bonded the upper surface for being set to stickers 17, and the rigidity of the stress dispersion layer 34 is greater than The opening edge edge of the rigidity of stickers 17,31 bottom of shell is connect with the non-edge position of stress dispersion layer 2.By the way that stress is arranged After dispersion layer 34, shell 31 can be evenly dispersed the directed force F of stickers 17 by stress dispersion layer 34, and then can be avoided There is a situation where stress to concentrate, and can avoid that such as attached drawing 14 occurs in the case where being only provided only with stickers 17 of thin film layer Shown in stress concentration and form corresponding stress concentration region 16 and cause to pull problem to skin.Without loss of generality, For the rigidity requirement of stress dispersion layer 34, at least should when by identical directed force F stress dispersion layer 34 deflection not The deflection of skin can be greater than, to ensure that stress dispersion layer 34 can be reasonably resistant to directed force F and avoid that stress concentration occurs The case where.
More specifically, adhesive surface 19 is for shell 31 to be connect with skin adhesive.Specifically, adhesive surface 19 can for By being formed after coating a layer of adhesive on the downside of stickers 17 up when use;It can also be coated in stickers 17 in advance On, and protected by covering a protective layer, it can be pasted after opening protective layer when in use.
In addition, to guarantee that wound surface pressure does flatness moulding uniformly and to wound pairing surface, in the present invention Moulding plate 29 further is set in the bottom of dressing component, the bottom surface of the moulding plate 29 is the wound pairing of surfacing Datum plane 30.Wherein, the bottom surface of moulding plate 29 should be smooth and be unlikely to deform, with ensure to generate by moulding plate 29 The irregular surface of the initial pairing of wound 18 is further shaped as smooth by uniform pressure by wound pairing datum plane 30 Pairing surface promotes the smooth beauty of wound healing rear surface.
In addition, the present invention also provides a kind of adding pressure type wound closures, including above-mentioned referring to shown in attached drawing 15 and 16 The invention adding pressure type wound dressing structure 33, further includes wound dressing frame 15, and the wound dressing frame 15 includes drawing Component 1, fixing piece 2 and dressing fence 3 form dressing rest area 4 inside dressing fence 3, and the fixing piece 2 is along dressing fence 3 two sides setting, it is corresponding with each fixing piece 2 to be provided at least one drawing part 1, one end of each drawing part 1 with it is corresponding Fixing piece 2 connect, the other end of drawing part 1, close to the connection of the side of corresponding fixing piece 2, and passes through drawing with dressing fence 3 The distance between fixing piece 2 and dressing fence 3 is adjusted in component 1, and the bottom surface of fixing piece 2 is provided for being pasted on skin Fixed adhesive surface 5;The adding pressure type wound dressing structure 33 is set to by the dressing rest area 4.
Fixing piece 2 is passed through on the fixed skin for pasting 18 periphery of wound of fixed adhesive surface 5 when use, then by dressing Fence 3 is enclosed in 18 periphery of wound, and dressing fence 3 is connect with relatively fixed dressing fence 3 with fixing piece 2 by drawing part 1 Position be located at the top of wound 18.By the dressing rest area 4 formed inside dressing fence 3, while by adding pressure type wound dressing Structure 33 is put into dressing rest area 4 limit and setting effect, it can be achieved that adding pressure type wound dressing structure 33.Do not lose one As property, fixed adhesive surface 5 can for pass through when in use a layer of adhesive is coated on the downside of fixing piece 2 up after shape At;It can also be coated on fixing piece 2 in advance, and protected by covering a protective layer, after opening protective layer when in use It can be pasted.
Without loss of generality, since dressing fence 3 needs to carry the drawing active force of drawing part 1, dressing fence 3 should Using the frame structure of stable structure, such as can be used with certain thickness stainless steel prefabricated component as dressing fence 3, with true Protecting the dressing fence 3 under the pulling force effect of the drawing part 1 of two sides will not deform and fail.
In addition, the effect of drawing part 1 can by applying corresponding drawing active force between dressing fence 3 and fixing piece 2, And then active force is applied on the skin of wound two sides by fixing piece 2, the effect of the drawing to wound can be can be realized with this, Wound is set to draw pairing over to one's side to centre.Specifically, the drawing part 1 can be used as ratchet structure or tether construction.So-called ratchet Structure is specially provided with corresponding ratchet rack gear on drawing part 1, is provided on fixing piece 2 and the ratchet Teethed bolt lock The ratchet base of conjunction realizes the adjusting to drawing part 1 by ratchet rack gear and ratchet base cooperation.And so-called tether construction, specially Setting drawing part 1 is flexible strap, and one end can be fixed on dressing fence 3, and the other end, which is wound around, to be set on fixing piece 2 Frenulum is turned back after buckleing and is fastened with itself and connects, such as can be pasted after turning back by the structure of velcro, by reeling Frenulum realizes the adjusting to drawing part 1.

Claims (13)

1. adding pressure type wound dressing structure, it is characterised in that: including shell (31), stickers (17) and dressing component, the shell The bottom opening of body (31), the stickers (17) are set to the opening edge of shell (31) bottom along upper, in stickers (17) Bottom is provided with for pasting the adhesive surface (19) on the skin surface around wound (18), and told dressing component is set to shell Body (31) is internal, and the gap between dressing component and shell (31) inner wall is compressible adjusting setting so that dressing component position It is pushed outwardly in the position of shell (31) bottom opening.
2. adding pressure type wound dressing structure as described in claim 1, it is characterised in that: the shell (31) is internal cavity The structure for deformation that product is shrinkable.
3. adding pressure type wound dressing structure as claimed in claim 2, it is characterised in that: the shell (31) includes left side sealing Film (6) and right side sealed membrane (7) are respectively arranged with to seal against each other and match on left side sealed membrane (6) and right side sealed membrane (7) The sealing strip (8) of conjunction.
4. adding pressure type wound dressing structure as claimed in claim 2, it is characterised in that: the shell (31) includes left side baffle (9), right-hand apron (10) and pressing cover (11), the pressing cover (11), which can move up and down, is adjustably arranged in left side gear Between plate (9) and right-hand apron (10), the dressing component is located at below pressing cover (11).
5. adding pressure type wound dressing structure as claimed in claim 2, it is characterised in that: the shell (31) is flexible sealing Film can form sealing after on the skin surface being pasted on fitting part (17) around wound (18) inside shell (31) Cavity (12), the seal cavity (12) pass through the vacuum-pumping tube (13) and external connection across shell (31);In vacuum-pumping tube (13) pumping check valve (14) is provided in.
6. adding pressure type wound dressing structure as described in claim 1, it is characterised in that: the dressing component is inflatable volume Combine dressing filler.
7. adding pressure type wound dressing structure as claimed in claim 6, it is characterised in that: the combine dressing filler includes applying Material (32) and spring (23) between spring (23) top being set in shell (31) and dressing body (32) or are set to Dressing body (32) is internal.
8. adding pressure type wound dressing structure as claimed in claim 6, it is characterised in that: the combine dressing filler includes applying Material (32) and expansion pouch (24), expansion pouch (24) are set between the top in shell (31) and dressing body (32) Or the expansion pouch (24) is set to dressing body (32) inside;Expansion pouch (24) is by passing through filling for shell (31) Pressure pipe road (25) is connect with the external world;Pressurising check valve (22) are provided on pressurising pipeline (25).
9. adding pressure type wound dressing structure as claimed in claim 6, it is characterised in that: the combine dressing filler includes applying Material (32), the dressing body (32) are made of the dressing of imbibition self-expansion type.
10. adding pressure type wound dressing structure as described in claim 1, it is characterised in that: the opening edge edge of shell (31) bottom It is connect with the middle part of stickers (17) and stickers (17) is divided into epitaxy part (26) and the court towards extension outside shell (31) Prolong portion (27) into shell (31) internal stretch, and prolongs portion (27) being located at the interior of the stickers (17) of shell (31) two sides Between be equipped with resigning mouthful (28) corresponding with wound (18), wound can be covered on by being set to the internal dressing component of shell (31) (18) and the interior of two sides prolongs above portion (27).
11. adding pressure type wound dressing structure as described in claim 1, it is characterised in that: in stickers (17) and shell (31) The opening edge of bottom is additionally provided with stress dispersion layer (34) between, and stress dispersion layer (34) fitting is set to stickers (17) upper surface, the rigidity of the stress dispersion layer (34) are greater than the rigidity of stickers (17), the opening of shell (31) bottom Edge is connect with the non-edge position of stress dispersion layer (2).
12. the adding pressure type wound dressing structure as described in any one of claim 1 to 11, it is characterised in that: in dressing group Moulding plate (29) are arranged in the bottom of part, and the bottom surface of the moulding plate (29) is the wound pairing datum plane of surfacing (30)。
13. adding pressure type wound closure, including adding pressure type wound dressing knot described in any one of the claims 1 to 12 Structure (33), it is characterised in that: further include wound dressing frame (15), the wound dressing frame (15) includes drawing part (1), consolidates Determine part (2) and dressing fence (3), form dressing rest area (4) inside dressing fence (3), the fixing piece (2) is enclosed along dressing The two sides on column (3) are arranged, corresponding with each fixing piece (2) to be provided at least one drawing part (1), each drawing part (1) One end is connected with corresponding fixing piece (2), and the other end of drawing part (1) is to dressing fence (3) close to the one of corresponding fixing piece (2) Side connection, and the distance between fixing piece (2) and dressing fence (3), the bottom of fixing piece (2) are adjusted by drawing part (1) Face is provided for being pasted on the fixation adhesive surface (5) on skin;The adding pressure type wound dressing structure (33) is set to by institute It states in dressing rest area (4).
CN201910599145.0A 2019-07-04 2019-07-04 Adding pressure type wound dressing structure and adding pressure type wound closure Pending CN110236790A (en)

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Publication number Priority date Publication date Assignee Title
CN111184605A (en) * 2019-12-30 2020-05-22 河南省中医院(河南中医药大学第二附属医院) Surgical operation wound nursing device

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WO2015123340A1 (en) * 2014-02-11 2015-08-20 Spiracur Inc. Methods and devices for applying closed incision negative pressure wound therapy
CN105920687A (en) * 2016-05-24 2016-09-07 明基材料有限公司 Portable negative pressure device
CN208017872U (en) * 2017-06-29 2018-10-30 武汉大学 A kind of infusion application that can be pressed automatically
CN109124712A (en) * 2018-09-20 2019-01-04 张新平 wound closure
CN211095257U (en) * 2019-07-04 2020-07-28 上海锦辰医药科技有限公司 Pressurized wound dressing structure and pressurized wound closer

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Publication number Priority date Publication date Assignee Title
US20090054856A1 (en) * 2007-08-21 2009-02-26 Richard Paul Mormino Reduced-pressure system and method employing a gasket
CN203107438U (en) * 2012-12-31 2013-08-07 明尼苏达矿业制造医用器材(上海)有限公司 Self-pressurizing haemostatic wound dressing
WO2015123340A1 (en) * 2014-02-11 2015-08-20 Spiracur Inc. Methods and devices for applying closed incision negative pressure wound therapy
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CN208017872U (en) * 2017-06-29 2018-10-30 武汉大学 A kind of infusion application that can be pressed automatically
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Publication number Priority date Publication date Assignee Title
CN111184605A (en) * 2019-12-30 2020-05-22 河南省中医院(河南中医药大学第二附属医院) Surgical operation wound nursing device
CN111184605B (en) * 2019-12-30 2022-01-18 河南省中医院(河南中医药大学第二附属医院) Surgical operation wound nursing device

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