WO2013131638A1 - Wundversorgungsanordnung und abdeckeinrichtung dafür - Google Patents

Wundversorgungsanordnung und abdeckeinrichtung dafür Download PDF

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Publication number
WO2013131638A1
WO2013131638A1 PCT/EP2013/000636 EP2013000636W WO2013131638A1 WO 2013131638 A1 WO2013131638 A1 WO 2013131638A1 EP 2013000636 W EP2013000636 W EP 2013000636W WO 2013131638 A1 WO2013131638 A1 WO 2013131638A1
Authority
WO
WIPO (PCT)
Prior art keywords
wound
suction
wound care
arrangement according
covering
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/EP2013/000636
Other languages
German (de)
English (en)
French (fr)
Inventor
Peter GRILLITSCH
Federico Danei
Erik Steinlechner
Sonja KAINZ
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.)
Lohmann and Rauscher GmbH
Original Assignee
Lohmann and Rauscher GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47827132&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2013131638(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to US14/382,971 priority Critical patent/US20150045752A1/en
Priority to JP2014560269A priority patent/JP2015513424A/ja
Priority to CA2866454A priority patent/CA2866454C/en
Priority to CN201380012328.9A priority patent/CN104363932B/zh
Priority to KR20147027604A priority patent/KR20140137405A/ko
Priority to KR1020207001889A priority patent/KR102235586B1/ko
Priority to EP13707554.5A priority patent/EP2822613B1/de
Priority to MX2014010624A priority patent/MX369045B/es
Application filed by Lohmann and Rauscher GmbH filed Critical Lohmann and Rauscher GmbH
Priority to AU2013230315A priority patent/AU2013230315B2/en
Priority to RU2014140148A priority patent/RU2613604C2/ru
Priority to BR112014021721-1A priority patent/BR112014021721B1/pt
Priority to IN7412DEN2014 priority patent/IN2014DN07412A/en
Priority to HK15104985.2A priority patent/HK1204460B/zh
Publication of WO2013131638A1 publication Critical patent/WO2013131638A1/de
Priority to ZA2014/06389A priority patent/ZA201406389B/en
Anticipated expiration legal-status Critical
Priority to AU2017265141A priority patent/AU2017265141A1/en
Priority to US16/683,982 priority patent/US11752040B2/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/91—Suction aspects of the dressing
    • A61M1/912—Connectors between dressing and drainage tube
    • 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
    • A61M1/96—Suction control thereof
    • A61M1/962—Suction control thereof having pumping means on the suction site, e.g. miniature pump on dressing or dressing capable of exerting suction
    • 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
    • A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
    • 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
    • A61F2013/00246—Wound bandages in a special way pervious to air or vapours
    • A61F2013/00263—Wound bandages in a special way pervious to air or vapours vapour permeability >500 g/m2/24h
    • 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
    • A61M1/96—Suction control thereof
    • A61M1/964—Suction control thereof having venting means on or near the dressing
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3344—Measuring or controlling pressure at the body treatment site
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/75—General characteristics of the apparatus with filters
    • A61M2205/7536—General characteristics of the apparatus with filters allowing gas passage, but preventing liquid passage, e.g. liquophobic, hydrophobic, water-repellent membranes

Definitions

  • Such wound care arrangements are used in particular in the context of so-called vacuum therapy. It has been shown that, in particular, the healing of chronic wounds can be promoted by applying negative pressure to these wounds. It has also proven to be advantageous if the wound is covered or filled with an open-pored foam or gauze as filling material, the wound is covered to produce a wound and optionally the filling material containing closed wound space and on the wound or the Filling material facing away from the covering a suction port is attached, via which the wound space can be connected to a designed for generating negative pressure suction device. In other arrangements, a flange of the suction port is covered by the cover device or in a pocket surrounding an opening of the cover.
  • the desired adjustment of the environment in the wound space can be effected particularly reliably if the water vapor permeability of the covering at least in sections 300 g / m 2/24 hr or more, particularly 500 g / m 2/24 hr or more, more preferably 750 g / m 2 / 24 h.
  • a filling material designed to fill the wound between the wound base and the covering device is provided, preferably a drainage layer for introducing the surface from the suction side facing the filling material the exudate to be sucked off the filling material is provided in at least one suction opening of the suction connection. If such a suction connection is provided, neither channel-forming projections on the boundary surface of the suction connection facing the filling material nor an expansion of the suction surface in the form of a disk-like shell are required.
  • this expedient in terms of a simple application of the covering device, this expediently has a coefficient of sliding friction in the range between 0.7 and 1.2, measured in accordance with ASTM 1894-08. In this case, a sufficient hold of the covering device can be achieved if the coefficient of static friction is between 0.8 and 1.5, more preferably between 1 and 1.25, measured in accordance with ASTM 1894-08. In this context, it has further proven to be expedient if the elongation at break of the covering device is more than 100%.
  • the suction connection of a wound care arrangement has a suction opening facing the wound space in use and a connecting device preferably designed as a pipe socket for establishing a connection between the suction opening and a suction hose, wherein the pipe socket is arranged on the side of the suction connection facing away from the wound space.
  • the suction opening can pass through a flange-like contact area of the suction connection, the contact area having a suction area preferably surrounding and preferably equipped with an adhesive attachment region with which the suction port can be glued to a wound space facing away from the boundary surface of the cover.
  • the contact area can also be at least partially covered by the covering device.
  • a wound positioned on a limb is inserted into the tubular cover sheet after a conventional vacuum therapy dressing unit or after the application or insertion of a filling material, so that the foil covers the entire wound area and the tubular covering foil over the edges survives the wound.
  • the film is expediently dimensioned taking into account its compliance that it rests tightly or gap-free at the wound edges.
  • the length of the tubular film can be adapted by cutting to the size of the wound.
  • the tubular film can also be delivered as an endless tube and assembled on site by cutting.
  • the so covered by the filling material and the cover sheet is sealed by commercially available adhesive film associations, for example under the trade name Suprasorb F of Lohmann & Rauscher GmbH, at its two axial ends sealingly connected to the skin surrounding the wound.
  • FIG. 4 shows a wound care arrangement designed with the suction connection according to FIG. 3, FIG.
  • FIG. 6 shows a wound care arrangement with a suction connection according to FIG. 5, FIG.
  • the contact surface 12 is completely covered by the drainage layer 40.
  • a fastening region 16 ' encircling the pipe connection 20, which, like the attachment region 16, can be provided with an adhesive layer which, prior to use of the suction connection 10 in a wound care arrangement according to the invention, comprises a detachable protective layer can be covered.
  • the suction connection according to FIG. 3 differs essentially from the suction connection according to FIGS.
  • the contact area 11 has, in addition to a suction opening 14, also a ventilation opening 80 through which the wound can be ventilated in a controlled manner To improve the flow conditions in the wound area in the sense of improving the exudate removal.
  • the ventilation opening 80 has a larger diameter than the suction opening 14.
  • the peripheral edge of the ventilation opening 80 in the contact area 1 can have a shoulder which, according to FIGS. 4 and 5, can be used as a support surface for an antibacterial filter 82. As a result, the flow resistance in the area of the ventilation opening 80 is increased, which, however, can be compensated for again by adjusting the diameter of the ventilation opening 80.
  • the antibacterial filter 82 is formed in the embodiment shown in the drawing of polytetrafluoroethylene and has a pore size in the range of 0.001, esp. 0.005, preferably 0.02, particularly preferably 0.1 to 5 microns. It is covered by the drainage layer 40 in the wound care arrangement according to FIGS. 6 a and 6 b. As explained with reference to FIG. 4, the suction connection according to FIG. 3, as well as the suction connection according to FIG. 1, can be mounted in such a way that it is glued on a covering film 60.
  • the covering device designed as a film tube is in the form of a truncated cone, that is to say it is conically spreadable.
  • One end such as the upper end 310, may be closed while the other, such as the lower end 312, may be open. Particularly preferably, the end is closed with the smaller cross-section.
  • the film tube can then be slipped over a hand in the manner of a stocking over a foot or possibly in the manner of a glove.
  • tubular cover films which may optionally also be applied to support foils, is intended, wherein the support foils can be released from the cover foil after application of the cover foils to the wound.
  • completely closed tubular films are advantageously used in the circumferential direction, which only have an opening at least at one axial end, wherein the opening required for the discharge of exudate via the suction port is formed in the tubular film after applying the tubular film to the wound.
  • the tubular film can be cut, for example, at the appropriate location.
  • other skin-compatible and water vapor-permeable films can be used. It is essential that the covering substantially airtight and waterproof limited the closed wound space, is germ-tight, has a suitable water vapor permeability, is biocompatible and skin friendly and can be cut and optionally applied using an additional support film.

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Otolaryngology (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Surgical Instruments (AREA)
  • Cosmetics (AREA)
  • External Artificial Organs (AREA)
  • Materials For Medical Uses (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
PCT/EP2013/000636 2012-03-05 2013-03-05 Wundversorgungsanordnung und abdeckeinrichtung dafür Ceased WO2013131638A1 (de)

Priority Applications (16)

Application Number Priority Date Filing Date Title
HK15104985.2A HK1204460B (zh) 2012-03-05 2013-03-05 伤口处理装置及用於其的覆盖装置
JP2014560269A JP2015513424A (ja) 2012-03-05 2013-03-05 創傷治療装置およびそのための被覆部材
CA2866454A CA2866454C (en) 2012-03-05 2013-03-05 Wound care arrangement and covering unit therefor
CN201380012328.9A CN104363932B (zh) 2012-03-05 2013-03-05 伤口处理装置及用于其的覆盖装置
KR20147027604A KR20140137405A (ko) 2012-03-05 2013-03-05 상처 치료 장치와 이 장치를 위한 커버링 유닛
KR1020207001889A KR102235586B1 (ko) 2012-03-05 2013-03-05 상처 치료 장치와 이 장치를 위한 커버링 유닛
EP13707554.5A EP2822613B1 (de) 2012-03-05 2013-03-05 Wundversorgungsanordnung und abdeckeinrichtung dafür
MX2014010624A MX369045B (es) 2012-03-05 2013-03-05 Disposición para el cuidado de heridas y unidad de cubierta para ésta.
AU2013230315A AU2013230315B2 (en) 2012-03-05 2013-03-05 Wound care arrangement and covering unit therefor
US14/382,971 US20150045752A1 (en) 2012-03-05 2013-03-05 Wound care arrangement and covering unit therefor
IN7412DEN2014 IN2014DN07412A (enExample) 2012-03-05 2013-03-05
BR112014021721-1A BR112014021721B1 (pt) 2012-03-05 2013-03-05 disposição para tratamento de feridas e respectivo dispositivo de cobertura
RU2014140148A RU2613604C2 (ru) 2012-03-05 2013-03-05 Система для лечения раны и закрывающее приспособление для нее
ZA2014/06389A ZA201406389B (en) 2012-03-05 2014-08-29 Wound care arrangement and covering unit therefor
AU2017265141A AU2017265141A1 (en) 2012-03-05 2017-11-24 Wound Care Arrangement and Covering Unit Therefor
US16/683,982 US11752040B2 (en) 2012-03-05 2019-11-14 Wound care arrangement and covering unit therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12002332.0 2012-03-05
EP12002332.0A EP2636417B1 (de) 2012-03-05 2012-03-05 Wundversorgungsanordnung und Abdeckeinrichtung dafür

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US14/382,971 A-371-Of-International US20150045752A1 (en) 2012-03-05 2013-03-05 Wound care arrangement and covering unit therefor
US16/683,982 Continuation US11752040B2 (en) 2012-03-05 2019-11-14 Wound care arrangement and covering unit therefor

Publications (1)

Publication Number Publication Date
WO2013131638A1 true WO2013131638A1 (de) 2013-09-12

Family

ID=47827132

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/000636 Ceased WO2013131638A1 (de) 2012-03-05 2013-03-05 Wundversorgungsanordnung und abdeckeinrichtung dafür

Country Status (15)

Country Link
US (2) US20150045752A1 (enExample)
EP (2) EP2636417B1 (enExample)
JP (4) JP2015513424A (enExample)
KR (2) KR102235586B1 (enExample)
CN (1) CN104363932B (enExample)
AU (2) AU2013230315B2 (enExample)
BR (1) BR112014021721B1 (enExample)
CA (1) CA2866454C (enExample)
CL (1) CL2014002365A1 (enExample)
DE (1) DE202013012333U1 (enExample)
IN (1) IN2014DN07412A (enExample)
MX (1) MX369045B (enExample)
RU (1) RU2613604C2 (enExample)
WO (1) WO2013131638A1 (enExample)
ZA (1) ZA201406389B (enExample)

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