CN107174300A - Skin wound negative pressure is driven to flat healing - Google Patents

Skin wound negative pressure is driven to flat healing Download PDF

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Publication number
CN107174300A
CN107174300A CN201710481225.7A CN201710481225A CN107174300A CN 107174300 A CN107174300 A CN 107174300A CN 201710481225 A CN201710481225 A CN 201710481225A CN 107174300 A CN107174300 A CN 107174300A
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China
Prior art keywords
wound
negative pressure
skin
reference platform
pairing
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CN201710481225.7A
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Chinese (zh)
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CN107174300B (en
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张新平
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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
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing

Abstract

The invention discloses a kind of driving of skin wound negative pressure to flat healing, particularly a kind of skin wound negative pressure for skin wound rehabilitation field is driven to flat healing.The present invention provides the driving of skin wound negative pressure to flat healing, including cofferdam, flexible link belt, negative-pressure ward pipeline, rigid pairing reference platform, datum plane, negative pressure channel is provided with rigid pairing reference platform, the negative pressure channel connects the inwall of vacuum cavity with the side of datum plane towards wound, and the negative-pressure ward pipeline is by the inwall of vacuum cavity and the ft connection of vacuum cavity.The application surrounds vacuum cavity using cofferdam, flexible link belt and rigid pairing reference platform., will be in wound depth direction, on the basis of the datum plane of the smooth reference platform of rigidity when rigidity pairing reference platform is affixed to wound under suction function, mandatory constraint each layer of wound skin edge is affixed to datum plane, forces the accurate pairing of wound skin fate layer, to flat.

Description

Skin wound negative pressure is driven to flat healing
Technical field
It is particularly a kind of to be used for skin wound rehabilitation neck the present invention relates to a kind of driving of skin wound negative pressure to flat healing The skin wound negative pressure in domain is driven to flat healing.
Background technology
In human medical dissection and tissue repair field, skin histology is that inside of human body and outside are most basic and most important Barrier structure, skin histology includes skin epidermis, skin corium, hypodermic layer.When this barrier is broken by surgical cut or wound After bad, it is necessary to by operation stitching, free wound skin edge is recovered original connection as early as possible on the horizontal plane that wound is dissected Structure and connection apposition, and by skin tissue regeneration, recover the barrier structure and function of raw hide skin.
The regeneration of skin histology, reconstruction process include:1. recover the continuity of the anatomical structure of epidermis layer tissue And integrality;That is skin epidermis hyperplasia, covers and connects epidermal tissue's breach of traumatic wounds both sides, and 2. recover corium The continuity and feature of the anatomical structure of layer tissue, i.e. dermal layer of the skin hyperplasia, what is filled up and connect that wound leaves is true Cortical tissue's breach, 3. recover the continuity of subcutaneous layer tissue, i.e. skin hypodermic layer granulation phorocytosis, fill up simultaneously The subcutaneous layer tissue breach that connection wound leaves.
Current prior art, mainly solves wound both sides pairing using various types of pairing devices and closes up problem, Recover the continuity of skin texture.But current existing various pairing devices, all it is not directed to during wound healing, Setting out a kind of can ensure that skin layers are fast, accurately layered the technical solution of smooth docking and accurate pairing and specific Implementation.Therefore, existing various pairing devices are inevitably substantial amounts of to occur in practical clinical at present: 1st, non-healing wounds or healing delay, 2, malunion it is (irregular healing, step-like healing, knob-like healing, roomy bad Scar body heal), 3, secondary infection rate increase.
For example, in current existing various types of pairing devices in use, even if wound skin edge is pulled together in together, But skin edge still can move freely in the vertical direction of wound apposition position.Therefore, to allow each layer of wound both sides skin edge can be fast Speed, smooth docking and accurate pairing are accurately layered, actual result will lean on fortune rather than by a kind of active control or constraint machine System.And once each layer of wound both sides skin edge can not complete fast, accurately to be layered smooth docking and accurate pairing, then occur Following result:1st, newborn epidermis layer tissue is, it is necessary to use more growth times, and growth generates the number of more newborn epidermis layer tissues Magnitude, could last inadequate delayed recovery epidermis continuity;Wound healing time delay, outside bacterium intrusion probability are high, Infect possibility occurrence high;Even when epidermis can not still actually accomplish the table connection of alignment pairing within a couple of days, can directly it lead Wound healing failure is caused, the chronic Hard agglut wound that patient does not recover for a long time is left for, economic loss and health impact are extremely huge Big.2nd, neonatal dermal layer tissue quickly can not accurately be directed at pairing, and staggered floor pairing will cause substantial amounts of wound malunion (irregular healing, step-like healing, knob-like healing, roomy bad scar body healing).3rd, newborn hypodermic layer organized layer Volume is big, it is necessary to which the surface of a wound area of pairing is big, it is easy to causes Pi Yuan in the movement of wound vertical direction, causes staggered floor pair Close.Meanwhile, if the horizontal direction in wound is unable to the smooth docking of fast hierarchical and accurate pairing, by the meeting formation of maximum probability Hypodermis cavity (subcutaneous dead space) structure of rationality, if this layer of involutory surface of active intervention and control is not aligned accurately quickly Pairing, will further result in subcutaneous dead space downright bad liquefied substance alluvial, wound subcutaneous infection, wound subcutaneous abscess, wound dehiscence, Non-healing wounds and sinus are produced.Wound healing failure can be directly resulted in, the chronic Hard agglut wound that patient does not recover for a long time is left for, Economic loss and health impact are extremely huge.
Skin wound auxiliary device for healing in currently available technology, the drawing of otch pairing can be provided to a certain extent Power, but the skin of wound both sides can only simply be drawn over to one's side.Without solving in wound depth direction, it is ensured that the skin of wound skin edge The accurate pairing of layering of each layer under Anatomical significance keeps skin edge pairing smooth without malunion flat, layering close apposition, Ensure that eliminating subcutaneous dead space wound normally quickly heals.
Also there is the part-structure of some devices, indirectly in the top of wound, form a kind of pairing in the prior art The structure of datum plane, be connected in the accurate pairing of layering of the skin layers under Anatomical significance, layering close apposition there is provided A kind of realizing route.But it is that warpage is produced under suction function using negative pressure cavity shell, pairing base formed by deformation is bent Directrix plane, will meet rigidity, flatness performance necessary to pairing datum plane, and convenience, validity, certainty, be remote It is undesirable or can not actually solve the problems, such as the accurate pairing of layering under Anatomical significance, layering close apposition.
The content of the invention
The technical problems to be solved by the invention, which are to provide one kind, makes wound both sides skin while closing up, vertical in wound Deep direction, can ensure that layering accurate pairing of the skin layers of wound skin edge under Anatomical significance, close to flat, layering right Close, can guarantee that skin edge pairing is smooth without malunion, it is ensured that eliminate what subcutaneous dead space wound normally quickly healed, significantly increase skin The skin wound negative pressure of skin wound healing effect is driven to flat healing.
To solve skin wound negative pressure driving that the above-mentioned technical problem present invention uses to flat healing, including it is cofferdam, soft Property connect band, negative-pressure ward pipeline, rigid pairing reference platform, be provided with datum plane on the rigid pairing benchmark is flat, institute The inner side for stating flexible link belt is connected with rigid pairing reference platform, and the outside of the flexible link belt is connected with cofferdam, described Cofferdam, flexible link belt and rigid pairing reference platform surround vacuum cavity, and negative pressure is provided with rigid pairing reference platform Passage, the negative pressure channel connects the inwall of vacuum cavity with the side of datum plane towards wound, the negative-pressure ward pipe Road is by the inwall of vacuum cavity and the ft connection of vacuum cavity.
It is further to be provided with locking device, the skin contact in the cofferdam to have adhesive on the cofferdam Coating.
It is further that the locking device is lock and spine bar.
It is further that the negative pressure channel is the pipeline being arranged in rigid pairing reference platform.
It is further that the negative pressure channel is the guide groove being arranged on rigid pairing reference platform.
It is further that negative pressure channel one end is communicated with vacuum cavity inwall, the other end is through datum plane and wound Wound surface is communicated.
It is further that the functional layer of anti-infective analgesic hemostatic is provided with the datum plane.
The beneficial effects of the invention are as follows:The application is surrounded negative using cofferdam, flexible link belt and rigid pairing reference platform Press cavity;It is complete when the cofferdam section for being made skin wound both sides using external force tractions such as locking devices is drawn close to wound centre position Anatomy into wound skin edge is aligned, to line, tentatively completes wound closure.When rigid pairing reference platform is affixed under suction function , will be in wound depth direction during wound, it is ensured that the skin layers of wound skin edge are in wound, with the base of the smooth reference platform of rigidity On the basis of directrix plane, mandatory constraint each layer of wound skin edge is affixed to datum plane, forces the accurate pairing of wound skin fate layer, to flat (i.e. dissection is aligned, to flat), can guarantee that wound skin edge pairing is smooth without malunion.When negative pressure passes through rigid pairing reference platform On negative pressure channel when acting on the surface of a wound of wound depth skin layers, will further force to eliminate between the surface of a wound of wound both sides The physical cavity of residual, it is ensured that eliminate subcutaneous dead space;Ensure that wound normally quickly heals.
Rigid pairing reference platform must be independent, non-deformable directly over wound, ensure that its is formed with this Datum plane be also rigidity it is smooth, using meet datum plane as wound anatomy contraposition, to flat benchmark;Therefore, setting Put flexible link belt to connect as the flexible transition between rigid pairing reference platform and cofferdam, it can be ensured that rigid pairing benchmark is put down The independence of platform, avoid other structures from transmitting external force making pairing reference platform stress produce deformation, it is ensured that datum plane has Effect property and certainty, it is ensured that wound skin edge pairing is smooth without malunion.
Brief description of the drawings
Fig. 1 is the schematic diagram before wound is drawn over to one's side to putting down;
Fig. 2 is wound both sides skin is drawn over to one's side to flat rear end schematic diagram using the present invention;
Fig. 3 is the schematic diagram of the top view of the present invention;
Parts, position and numbering in figure:Cofferdam 1, flexible link belt 2, rigid pairing benchmark 3, datum plane 4, negative pressure Passage 5, lock 6, spine bar 7, negative-pressure ward pipeline 8, adhesive coating 9.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2 and Figure 3, skin wound negative pressure of the invention driving includes cofferdam 1, flexibility to flat healing even Datum plane 4 is provided with tape splicing 2, negative-pressure ward pipeline 8, rigid pairing reference platform 3, the rigid pairing reference platform 3, The inner side of the flexible link belt 2 is connected with rigid pairing reference platform 3, outside and the phase of cofferdam 1 of the flexible link belt 2 Even, the cofferdam 1, flexible link belt 2 and rigid pairing benchmark 3 surround vacuum cavity, are set on rigid pairing reference platform 3 There is negative pressure channel 5, the negative pressure channel 5 connects the inwall of vacuum cavity with the side of datum plane 4 towards wound, it is described negative Aspiration 8 is pressed by the inwall of vacuum cavity and the ft connection of vacuum cavity.Negative pressure can be set to open on negative-pressure ward pipeline 8 Close, negative suction system can be connected on negative-pressure ward pipeline.Wherein the one side of cofferdam 1 and skin attachement, drive wound two Close up in the middle of the skin picture of side, on the other hand can effectively prevent the unordered flowing of skin wound sepage, pass through sepage negative Pressure passageway 5 is discharged to outside vacuum cavity in time, in order to avoid sepage is deposited at skin wound, hinders wound healing.It is therein firm Property pairing benchmark 3 be made of rigid material, it possesses stronger rigidity, extremely small in transforming by external force such as negative pressure, The form for maintaining accurate plane that the datum plane 4 being arranged on above it is stablized.It is right that datum plane 4 is arranged on rigidity Close side of the benchmark 3 towards skin wound.And the flexible link belt 2 of cofferdam 1 and rigid pairing benchmark 3 is connected then using yielding Flexible material or structure.Cofferdam 1, flexible link belt 2 and rigid pairing benchmark 3 surround a vacuum cavity, to skin wound One subnormal ambient.Negative pressure switch one end can be connected with the outside equipment for taking out negative pressure, negative pressure channel one end and vacuum cavity inwall Communicate, the other end is communicated through datum plane with the wound surface of wound.The healing of the application is led using external force when in use The cofferdam 1 for drawing skin wound both sides is drawn close to wound centre position, while the space in vacuum cavity is pumped into negative pressure, in negative pressure The lower rigid pairing reference platform 3 of effect has the trend moved towards skin wound direction, and the trend deforms flexible link belt 2, with The deformation of flexible link belt 2, rigid pairing benchmark 3 moves to press close to wound to skin wound.While the skin of wound both sides Skin progressively will be adjacent under suction function to datum plane 4.During be adjacent at skin wound each position cavity, especially It is that space between skin layers can gradually be eliminated.As long as datum plane 4 remains its accurate flat shape, wound The skin of both sides is under suction function, on the basis of the plane, layer by layer Accurate align, make wound both sides skin return to it is optimal Location status.And the combination of the application flexible link belt 2 and rigid pairing benchmark 3, it is to avoid what device other structures were produced External force is applied on rigid pairing reference platform 3, the rigid stress of pairing benchmark 3 is produced deformation, while utilizing rigid pairing base The characteristics of quasi- stiffness by itself of platform 3 is unlikely to deform by force, enables it to keep datum plane 4 steady during adhesive bandage aligns Surely the shape of accurate plane is kept.The application sets the inwall of connection vacuum cavity and benchmark to put down in rigid pairing reference platform 3 The space of the wound side of face 4, makes the process of negative pressure driving healing be divided into two steps, first step rigidity pairing reference platform 3 is negative Pressure driving is lower mobile and datum plane 4 is close to skin, is now divided into skin wound and base inside vacuum cavity The space (the second negative pressure chamber) that directrix plane 4 is surrounded, and remaining negative pressure space (inside vacuum cavity except the second negative pressure chamber One negative pressure chamber), second step, skin wound gap in the second negative pressure chamber successive elimination under negative pressure driving.
Locking device is provided with the cofferdam 1, and is provided with cofferdam 1 adhesive coating 9.With on cofferdam 1 Locking device can draw cofferdam 1 to mobile in the middle of wound, so as to drive the skin of wound both sides to close up, when cofferdam 1 is moved To when can ensure position that skin closes up, recycling locks locking device, prevents cofferdam 1 in skin tension or other outer Power effect is lower to unclamp.There is adhesive coating 9 on the skin contact in cofferdam 1, help cofferdam 1 to be close to skin, assist in Skin closes up.
Locking device can be using the combination for latching 6 and spine bar 7.Wherein lock 6 and spine bar 7 can be separately positioned on skin On the cofferdam 1 of wound both sides, spine bar 7 passes through lock 6.Medical personnel pull spine bar 7 to be moved relative to lock 6 in operation, so that The skin for making cofferdam 1 draw wound both sides closes up to centre, is locked spine bar 7 with lock 6 when skin is brought together into ideal position.
The negative pressure channel 5 is the pipeline being arranged in rigid pairing benchmark 3.Negative pressure channel 5 is connected in vacuum cavity The wound surface of wall and wound, the passage can use the form of pipeline, and pipeline is embedded in rigid pairing benchmark 3.
The negative pressure channel 5 is the guide groove being arranged on rigid pairing benchmark 3.It can also use on rigid pairing benchmark 3 The form of fluting, to form negative pressure channel 5.
Anti-infective analgesic hemostatic layer is provided with the datum plane 4., can be in datum plane in order to prevent wound infection Multi-functional coating is set on 4, and the coating effectively bacteria growing inhibiting can be bred, and help patient hemostasis's analgesic.

Claims (6)

1. skin wound negative pressure is driven to flat healing, it is characterised in that:Taken out including cofferdam (1), flexible link belt (2), negative pressure Datum plane (4) is provided with suction pipe road (8), rigid pairing reference platform (3), the rigid pairing reference platform (3), it is described The inner side of flexible link belt (2) is connected with rigid pairing reference platform (3), outside and the cofferdam (1) of the flexible link belt (2) It is connected, the cofferdam (1), flexible link belt (2) and rigid pairing reference platform (3) surround vacuum cavity, in rigid pairing base It is provided with negative pressure channel (5) on quasi- platform (3), the negative pressure channel (5) is by the inwall of vacuum cavity and datum plane (4) direction The side connection of wound, the negative-pressure ward pipeline (8) is by the inwall of vacuum cavity and the ft connection of vacuum cavity.
2. skin wound negative pressure driving as claimed in claim 1 is to flat healing, it is characterised in that:On the cofferdam (1) Locking device is provided with, and is provided with cofferdam (1) adhesive coating (9).
3. skin wound negative pressure driving as claimed in claim 2 is to flat healing, it is characterised in that:The locking device is lock Detain (6) and spine bar (7).
4. skin wound negative pressure driving as claimed in claim 1 is to flat healing, it is characterised in that:The negative pressure channel (5) For the pipeline being arranged in rigid pairing reference platform (3).
5. skin wound negative pressure driving as claimed in claim 1 is to flat healing, it is characterised in that:The negative pressure channel (5) For the guide groove being arranged on rigid pairing reference platform (3).
6. skin wound negative pressure driving as claimed in claim 1 is to flat healing, it is characterised in that:The datum plane (4) On be provided with anti-infective analgesic hemostatic layer.
CN201710481225.7A 2017-06-22 2017-06-22 Skin wound negative pressure driving flat healing device Active CN107174300B (en)

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CN107174300B CN107174300B (en) 2023-09-12

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108498078A (en) * 2018-04-24 2018-09-07 张新平 The Assess indexes system of Internet of Things networking
CN109124712A (en) * 2018-09-20 2019-01-04 张新平 wound closure
CN110338867A (en) * 2019-06-26 2019-10-18 万绵水 Electrostatic spinning Wound dressing and its processing method containing dihydroquercetin
CN112603412A (en) * 2021-01-15 2021-04-06 孙建 Flat pressing type medical stapler and using method thereof
CN113573747A (en) * 2019-03-28 2021-10-29 泰尔茂株式会社 Medical instrument

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090259203A1 (en) * 2007-10-11 2009-10-15 Dean Hu Closed incision negative pressure wound therapy device and methods of use
CN104117131A (en) * 2014-07-22 2014-10-29 翁跃勤 Negative pressure incision healing device and method
CN205073387U (en) * 2015-10-19 2016-03-09 张新平 Skin wound negative pressure treatment device
CN205215293U (en) * 2015-10-19 2016-05-11 张新平 Skin wound device that heals up
CN205234556U (en) * 2015-10-19 2016-05-18 张新平 Skin incision healing ware
US20170165116A1 (en) * 2015-12-15 2017-06-15 University Of Massachusetts Negative pressure wound closure devices and methods
CN207707959U (en) * 2017-06-22 2018-08-10 张新平 Skin wound negative pressure drives to flat healing

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090259203A1 (en) * 2007-10-11 2009-10-15 Dean Hu Closed incision negative pressure wound therapy device and methods of use
US20160324693A1 (en) * 2007-10-11 2016-11-10 Kci Licensing, Inc. Closed Incision Negative Pressure Wound Therapy Device And Methods Of Use
CN104117131A (en) * 2014-07-22 2014-10-29 翁跃勤 Negative pressure incision healing device and method
CN205073387U (en) * 2015-10-19 2016-03-09 张新平 Skin wound negative pressure treatment device
CN205215293U (en) * 2015-10-19 2016-05-11 张新平 Skin wound device that heals up
CN205234556U (en) * 2015-10-19 2016-05-18 张新平 Skin incision healing ware
US20170165116A1 (en) * 2015-12-15 2017-06-15 University Of Massachusetts Negative pressure wound closure devices and methods
CN207707959U (en) * 2017-06-22 2018-08-10 张新平 Skin wound negative pressure drives to flat healing

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108498078A (en) * 2018-04-24 2018-09-07 张新平 The Assess indexes system of Internet of Things networking
WO2019205967A1 (en) * 2018-04-24 2019-10-31 上海锦辰医药科技有限公司 Assessment and command system based on internet of things
CN109124712A (en) * 2018-09-20 2019-01-04 张新平 wound closure
CN113573747A (en) * 2019-03-28 2021-10-29 泰尔茂株式会社 Medical instrument
CN113573747B (en) * 2019-03-28 2023-02-24 泰尔茂株式会社 Medical instrument
CN110338867A (en) * 2019-06-26 2019-10-18 万绵水 Electrostatic spinning Wound dressing and its processing method containing dihydroquercetin
CN112603412A (en) * 2021-01-15 2021-04-06 孙建 Flat pressing type medical stapler and using method thereof

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