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WO2018103180A1 - Système de régulation précis de faible vide pour plaie - Google Patents

Système de régulation précis de faible vide pour plaie Download PDF

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Publication number
WO2018103180A1
WO2018103180A1 PCT/CN2017/070342 CN2017070342W WO2018103180A1 WO 2018103180 A1 WO2018103180 A1 WO 2018103180A1 CN 2017070342 W CN2017070342 W CN 2017070342W WO 2018103180 A1 WO2018103180 A1 WO 2018103180A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
bottle
wound
sealed bottle
dressing layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/070342
Other languages
English (en)
Chinese (zh)
Inventor
朱新生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Meiji Biotechnology Co Ltd
Original Assignee
Guangdong Meiji Biotechnology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Meiji Biotechnology Co Ltd filed Critical Guangdong Meiji Biotechnology Co Ltd
Publication of WO2018103180A1 publication Critical patent/WO2018103180A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • A61F13/0266—Adhesive bandages or dressings characterised by the release liner covering the skin adhering layer especially adapted for wound covering/occlusive dressings
    • 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]
    • 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
    • A61M1/88—Draining devices having means for processing the drained fluid, e.g. an absorber
    • 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
    • A61M1/915—Constructional details of the pressure distribution manifold
    • 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
    • A61F2013/00089—Wound bandages
    • 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

Definitions

  • the invention relates to a medical device, in particular to a wound micro vacuum precise control system.
  • the wound is usually protected by a wound patch.
  • the wound sticker is generally a medical polyurethane (PU) wound sticker.
  • the medical polyurethane (PU) wound sticker is made of an imported breathable PU substrate and a composite surface backing substrate, which is cut, sterilized and packaged.
  • Wound stickers can only be used for small pieces of trauma emergency treatment, thus temporarily stopping bleeding and protecting the wound.
  • the time used should not be too long. If it is used too long, the tape on the outer layer of the wound is not breathable. It will make the wound and the skin around the wound white and soft, resulting in secondary infection of the bacteria. This will make the wound worse. It provides good conditions for wound or wound healing only in the absence of exudation of the wound or wound.
  • the wound patch cannot absorb liquid, the exudate remains on the surface of the wound or the wound surface, which is not conducive to wound or wound healing on the one hand, and forms a bacterial growth lesion on the other hand.
  • wound stickers for suction suction flow which absorb the liquid on the surface of the wound and suck out the necrotic tissue deep in the wound, but these wounds require an external electric negative pressure source because of the electric negative pressure source.
  • the negative pressure value is at least 10-kpa.
  • the negative pressure display of the electric negative pressure source shows the magnitude of the negative pressure, which is approximately equal to the actual negative pressure value of the wound surface.
  • the pressure actually affected by the wound surface cannot be well controlled, especially the pressure.
  • strong suction can cause damage to the newborn epithelium, skin island, granulation tissue, etc., and the wound that would otherwise be naturally healed requires skin grafting. Therefore, there is a need for a precise micro-vacuum control system that can accurately control the actual negative pressure of the wound to less than 5KPa.
  • the object of the present invention is to provide a wound micro vacuum precision control system.
  • a wound micro-vacuum precise control system comprising a vacuum pump, a liquid storage bottle, a suction catheter with one end communicating with the inside of the liquid storage bottle, and a drainage dressing layer for attaching to the wound surface.
  • a medical film on the upper surface of the drainage dressing layer a water-sealed bottle, and an intake pipe inserted into the interior of the water-sealed bottle at one end, and the other end of the suction pipe is directly or indirectly connected to the three-dimensional interpenetrating structure of the drainage dressing layer, the vacuum pump
  • the water seal bottle is directly or indirectly connected to the three-dimensional interpenetrating structure of the drainage dressing layer through the first pipe and the liquid storage bottle, and the water seal bottle contains the liquid inside, and the liquid accounts for 0.2 ⁇ 0.7 of the water seal bottle.
  • one end of the hydraulic conduit extends from the upper end surface of the water seal bottle into the interior of the water seal bottle, and the end of the water pressure conduit is located above the liquid level, the two ends of the intake pipe are open, one end of the intake pipe Insert from the upper end of the water-sealed bottle into the interior of the water-sealed bottle and extend to the bottom of the water-sealed bottle.
  • the suction catheter is in communication with the three-dimensional interpenetrating structure of the drainage dressing layer through at least one disc body
  • the hydraulic pressure conduit is in communication with the three-dimensional intercommunication structure of the drainage dressing layer through at least one disc body.
  • the suction duct and the hydraulic pressure conduit share a disk body and a three-dimensional intercommunication structure of the drainage dressing layer.
  • the end of the water pressure conduit located in the water seal bottle is flush with the upper inner side surface of the water seal bottle; or the end of the water pressure conduit located in the water seal bottle and the water seal The difference between the upper inner sides of the bottles is 1 ⁇ 5mm.
  • the outer surface of the intake pipe is arranged with a 0.5 KPa line, a 1 KPa line, a 2 KPa line, and a 3 KPa line in this order.
  • the medical film is formed on the periphery of the drainage dressing to form an appendage which can be attached to the outer skin surface of the edge of the wound surface.
  • a pressure gauge is mounted on the first pipe.
  • the liquid accounts for a volume of 0.5 or 0.6 of the water-sealed bottle.
  • the invention has the beneficial effects that: by setting a water-sealed bottle, the pressure inside the drainage dressing layer can be visually observed through the water-sealing bottle, and if the pressure inside the drainage dressing layer exceeds the pressure set by the water-sealing bottle, the external gas passes through The trachea, water-sealed bottle and hydraulic conduit enter the inside of the wound to relieve the internal pressure of the wound and prevent the internal pressure of the wound from being too large to cause damage to the wounded new island.
  • Figure 1 is a schematic view of the structure of the present invention.
  • a wound micro-vacuum precise control system comprises a vacuum pump 1, a liquid storage bottle 3, a suction catheter 4 having one end communicating with the inside of the liquid storage bottle 3, a drainage dressing layer 5 for attaching to the wound surface, and The medical film 6 on the upper surface of the drainage dressing layer 5, the water seal bottle 9 and the intake pipe 10 at one end inserted into the water seal bottle 9, the other end of the suction pipe 4 directly or indirectly connected to the three-dimensional interpenetration structure of the drainage dressing layer 5
  • the vacuum pump 1 is connected to the liquid storage bottle 3 through the first pipe 2, and the water seal bottle 9 is directly or indirectly connected to the three-dimensional interpenetrating structure of the drainage dressing layer 5 through the water pressure pipe 8, and the water seal bottle 9 is internally filled.
  • the liquid 11 and the water-sealed bottle 9 are filled with a liquid amount of a liquid level according to the actual need of the clinical wound treatment, and the liquid 11 accounts for a volume of 0.2 to 0.7 of the water-sealed bottle, and one end of the water-pressure pipe 8 is
  • the upper end surface of the water seal bottle 9 extends into the interior of the water seal bottle 9, and the end of the water pressure pipe 8 is located above the liquid level of the liquid 11, the both ends of the intake pipe 10 are open, and one end of the intake pipe 10 is from the water seal bottle 9 The upper end is inserted into the interior of the water seal bottle 9 and extends to the bottom of the water seal bottle 9 unit.
  • the pressure inside the drainage dressing layer 5 can be visually observed through the water seal bottle 9, and if the pressure inside the drainage dressing layer 5 exceeds the pressure set by the water seal bottle 9, the outside air passes through the intake pipe 10, water.
  • the sealing bottle 9 and the hydraulic pressure conduit 8 enter the inside of the wound surface to relieve the internal pressure of the wound surface, thereby preventing the internal pressure of the wound from being excessively large and causing damage to the wounded new island.
  • the aspiration catheter 4 is in communication with the three-dimensional interpenetrating structure of the drainage dressing layer 5 via at least one disc body 7, the three-dimensional intercommunication of the hydraulic conduit 8 through the at least one disc body 7 and the drainage dressing layer 5. Structural connectivity.
  • the suction conduit 4 and the hydraulic conduit 8 share a disk body 7 in communication with the three-dimensional interpenetrating structure of the drainage dressing layer 5.
  • the end of the hydraulic conduit 8 located in the water seal bottle 9 is flush with the upper inner side of the water seal bottle 9; or the hydraulic conduit 8 located in the water seal bottle 9
  • the difference between the end and the upper inner side of the water seal bottle 9 is 1 to 5 mm.
  • the outer surface of the intake pipe 10 is arranged with a 0.5 KPa line, a 1 KPa line, a 2 KPa line, and a 3 KPa line in the middle, and the 3 KPa line is located at the lowermost end of the intake pipe 10.
  • the scale line of the outer surface of the intake pipe 10 can be set according to a specific situation.
  • the scale line at the lowermost end of the intake pipe 10 is a warning line. When air bubbles appear in the water seal bottle 9, the air pressure inside the surface wound surface exceeds the pressure value set by the water seal bottle 9, and the working state of the vacuum pump 1 needs to be adjusted to reduce the pressure value in the wound surface.
  • the medical film 6 is extended around the range of the drainage dressing to form an abutment that can be attached to the outer skin surface of the edge of the wound.
  • the pressure gauge 12 is mounted on the first pipe 2.
  • the liquid 11 occupies a volume of a water-sealed bottle of 90.5 or 0.6, in combination with a structure in which the end of the water pressure conduit 8 located in the water-sealing bottle 9 is flush with the upper inner side of the water-sealing bottle 9. Or; the difference between the end of the water pressure conduit 8 located in the water seal bottle 9 and the upper inner side of the water seal bottle 9 is 1 to 5 mm, which can effectively avoid the water seal bottle 9 when the pressure is too large.
  • the liquid 11 enters the wound.
  • the liquid 11 in the water-sealed bottle 9 is water.

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Vascular Medicine (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Dermatology (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • External Artificial Organs (AREA)

Abstract

Un système de régulation précis de faible vide pour une plaie, comprenant : une pompe à vide (1); un flacon de stockage de liquide (3); un cathéter d'aspiration (4); une couche de pansement et de drainage (5); une membrane (6) à usage médical; un flacon étanche à l'eau (9); et un tuyau d'entrée d'air (10). Ce système est caractérisé en ce qu'une extrémité du cathéter d'aspiration (4) est en communication directe ou indirecte avec un mécanisme tridimensionnel d'interfonctionnement de la couche de pansement et de drainage (5), en ce que le flacon étanche à l'eau (9) est en communication directe ou indirecte avec le mécanisme tridimensionnel d'interfonctionnement de la couche de pansement et de drainage (5) par l'intermédiaire d'un conduit de pression d'eau (8) et ce flacon étanche à l'eau (9) comporte un liquide (11) rempli à l'intérieur de celui-ci qui occupe 20 % à 70 % d'un volume du flacon étanche à l'eau (9). en ce qu'une extrémité du conduit de pression d'eau (8) s'étendant dans une partie interne du flacon étanche à l'eau (9) à partir d'une surface d'extrémité supérieure du flacon étanche à l'eau (9), dans laquelle une extrémité terminale du conduit de pression d'eau (8) est située au-dessus d'une surface liquide du liquide (11), et en ce que le tuyau d'entrée d'air (10) a deux extrémités ouvertes, une extrémité de celui-ci est insérée, à partir de l'extrémité supérieure du flacon étanche à l'eau (9), dans la partie interne du flacon étanche à l'eau (9) et s'étendant jusqu'à une partie inférieure du flacon étanche à l'eau (9). Une pression interne de la couche de pansement et de drainage (5) peut être visuellement observée par l'intermédiaire du flacon étanche à l'eau (9), et si la pression interne de la couche de pansement et de drainage (5) dépasse une pression définie du flacon étanche à l'eau (9), un gaz externe peut entrer dans une partie interne de surface de plaie par l'intermédiaire du tuyau d'entrée d'air (10), du flacon étanche à l'eau (9) et du conduit de pression d'eau (8), libérant ainsi la pression interne sur la plaie.
PCT/CN2017/070342 2016-12-05 2017-01-06 Système de régulation précis de faible vide pour plaie Ceased WO2018103180A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611103406.8 2016-12-05
CN201611103406.8A CN106581788B (zh) 2016-12-05 2016-12-05 一种创面微真空精准调控系统

Publications (1)

Publication Number Publication Date
WO2018103180A1 true WO2018103180A1 (fr) 2018-06-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/070342 Ceased WO2018103180A1 (fr) 2016-12-05 2017-01-06 Système de régulation précis de faible vide pour plaie

Country Status (2)

Country Link
CN (1) CN106581788B (fr)
WO (1) WO2018103180A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025156747A1 (fr) * 2024-01-22 2025-07-31 广东美捷威通生物科技有限公司 Dispositif de traitement de brûlure et d'ébouillantages par micro-vide

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107714295B (zh) * 2017-10-23 2022-08-16 广东美捷威通生物科技有限公司 人体表面细胞组织培植环境控制装置
CN222899824U (zh) * 2024-01-22 2025-05-27 广东美捷威通生物科技有限公司 一种便携式负压吸引治疗仪

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CN2369690Y (zh) * 1999-01-06 2000-03-22 陈长法 一种负压吸引瓶
WO2009016603A2 (fr) * 2007-08-01 2009-02-05 Blackbeard, Graham Alan Appareil de traitement de lésion à pression réduite
CN201220005Y (zh) * 2008-07-14 2009-04-15 中南大学 一次性胸腔闭式引流装置
CN201481968U (zh) * 2009-09-03 2010-05-26 邱燕萍 创伤负压引流装置
CN102695481A (zh) * 2009-10-20 2012-09-26 凯希特许有限公司 敷料减压指示器、系统和方法
CN205126571U (zh) * 2015-11-16 2016-04-06 中国人民解放军第四军医大学 腹部带蒂皮瓣供瓣区敷贴装置

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CN2073752U (zh) * 1990-05-29 1991-03-27 吴凌庚 一种胸腔闭式引流装置
CN201939859U (zh) * 2010-12-22 2011-08-24 张广桦 一种负压引流装置
CN203436673U (zh) * 2013-07-17 2014-02-19 苏州爱得科技发展有限公司 医用贴膜负压引流装置
CN104815386A (zh) * 2015-04-23 2015-08-05 广州新诚生物科技有限公司 可实时监控创面压力大小的负压引流系统
CN206543293U (zh) * 2016-12-05 2017-10-10 广东美捷威通生物科技有限公司 一种创面微真空精准调控系统

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2369690Y (zh) * 1999-01-06 2000-03-22 陈长法 一种负压吸引瓶
WO2009016603A2 (fr) * 2007-08-01 2009-02-05 Blackbeard, Graham Alan Appareil de traitement de lésion à pression réduite
CN201220005Y (zh) * 2008-07-14 2009-04-15 中南大学 一次性胸腔闭式引流装置
CN201481968U (zh) * 2009-09-03 2010-05-26 邱燕萍 创伤负压引流装置
CN102695481A (zh) * 2009-10-20 2012-09-26 凯希特许有限公司 敷料减压指示器、系统和方法
CN205126571U (zh) * 2015-11-16 2016-04-06 中国人民解放军第四军医大学 腹部带蒂皮瓣供瓣区敷贴装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025156747A1 (fr) * 2024-01-22 2025-07-31 广东美捷威通生物科技有限公司 Dispositif de traitement de brûlure et d'ébouillantages par micro-vide

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CN106581788B (zh) 2023-06-20

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