WO1992019313A1 - Method and device for wound closure - Google Patents
Method and device for wound closure Download PDFInfo
- Publication number
- WO1992019313A1 WO1992019313A1 PCT/US1992/003498 US9203498W WO9219313A1 WO 1992019313 A1 WO1992019313 A1 WO 1992019313A1 US 9203498 W US9203498 W US 9203498W WO 9219313 A1 WO9219313 A1 WO 9219313A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dressing
- wound
- adhesive
- accordance
- wound site
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000853 adhesive Substances 0.000 claims abstract description 32
- 230000001070 adhesive effect Effects 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000000881 depressing effect Effects 0.000 claims 5
- 206010052428 Wound Diseases 0.000 abstract description 41
- 208000027418 Wounds and injury Diseases 0.000 abstract description 41
- 208000014674 injury Diseases 0.000 abstract description 2
- 230000008733 trauma Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 101710187783 Adherence factor Proteins 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000001700 effect on tissue Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/00051—Accessories for dressings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/00051—Accessories for dressings
- A61F13/00063—Accessories for dressings comprising medicaments or additives, e.g. odor control, PH control, debriding, antimicrobic
-
- 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 plasters or dressings
- A61F13/023—Adhesive plasters or dressings wound covering film layers without a fluid handling layer
- A61F13/0233—Adhesive plasters or dressings wound covering film layers without a fluid handling layer characterised by the oclusive layer skin contacting layer
-
- A61F13/05—
-
- 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
- A61F2013/0017—Wound bandages possibility of applying fluid
- A61F2013/00174—Wound bandages possibility of applying fluid possibility of applying pressure
-
- 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
- A61F2013/00187—Wound bandages insulating; warmth or cold applying
- A61F2013/00195—Wound bandages insulating; warmth or cold applying electric warmer
-
- 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
- A61F2013/0028—Wound bandages applying of mechanical pressure; passive massage
-
- 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
- A61F2013/00361—Plasters
- A61F2013/00365—Plasters use
- A61F2013/00451—Plasters use for surgical sutures, e.g. butterfly type
-
- 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
- A61F2013/00361—Plasters
- A61F2013/00727—Plasters means for wound humidity control
- A61F2013/00761—Plasters means for wound humidity control with permeable adhesive layers
- A61F2013/00778—Plasters means for wound humidity control with permeable adhesive layers porous layers
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S604/00—Surgery
- Y10S604/902—Suction wands
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Vascular Medicine (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)
- Anesthesiology (AREA)
- Hematology (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Dermatology (AREA)
- Materials For Medical Uses (AREA)
Abstract
A method of treating a wound site wherein a porous, adhesive backed dressing (20) is utilized. A vacuum and/or heat (30) is applied to the wound site through the dressing so as to draw the tissue adjacent the wound site to the dressing so as to minimize trauma to the wound and increase the adherence of the adhesive.
Description
METHOD AND DEVICE FOR WOUND CLOSURE Background of the invention
The present invention related to wound closures and in particular to an improved adhesive wound closure and method for applying the same.
In order to promote the healing of flesh wounds in humans and animals it is desireable to bring the severed surfaces of the wound into close contact with each other. Heretofore adhesive backed tapes such as the so-called "butterfly" bandages have been available as wound closures. Such devices, however, have two major problems associated with their use. The first problem arises from the difficulty in securing the adhesive to the tissue adjacent a wound without aggravating the wound since such dressings require that a pressure be applied to the dressing and hence to the wound. However, this is somewhat self defeating since applying a pressure to the tissue adjacent the wound tends to further separate the severed surfaces rather than draw them together. The second problem arises from the difficulty in obtaining a good adhesive bond between the dressing and the areas surrounding a wound as a result of the moist environment caused by the fluids excreted at the wound site.
Due to the existence of the above problems suturing has remained the preferred procedure for deep wound treatment notwithstanding the relative ease of using adhesive backed dressings in comparison to suturing. Summary of the Invention
In view of the above, it is the principle object of the present invention to provide an improved method for the treatment of wounds which enables the use of adhesive backed dressings while overcoming the problems associated with the use of such dressings as discussed above.
A further object is to provide a method of improving the flow characteristics of the adhesive of a dressing so as to minimize the contact force needed to obtain a good bond between the dressing and tissue.
A still further object is to provide a device which may be used in connection with the use of adhesive backed dressings in the treatment of wounds in accordance with the method of the present invention.
In accordance with the present invention a porous wound dressing provided with an adhesive backing is utilized. The contact side of the dressing is applied to the wound site and is heated
as a vacuum is applied to the opposite side thereby improving the flow characteristics of the adhesive while drawing the tissue adjacent the wound site into contact with the adhesive. By drawing the tissue into contact with the dressing rather than pressing the dressing onto the wound the tissue adjacent the wound site is brought more closely to its natural state rather than being further separated as would be the case if the, dressing were pressed against the wound site. Applying heat to the dressing also tends to drive moisture from the wound site to thereby improve the adherence of the dressing to the tissue at the wound site. Brief Description of the Drawings In the accompanying drawings:
Fig. 1 is a simplified diagrammatic view of the effect on tissue adjacent a wound site of applying an adhesive backed dressing in accordance with prior art methodology. Fig. 2 is a view similar to Fig. 1 illustrating the effect of the method of the present invention on the tissue adjacent a wound site.
Fig. 3 is a simplified view of a device which may be utilized in practicing the method of the present invention.
Detailed Description of the Preferred Embodiment
In the typical application of a dressing 10 to a wound 12 a downward force is applied to the dressing so as to cause a bonding between the adhesive 14 on the back of the dressing and the tissue 16 adjacent the wound. As shown in Fig. 1 a result of the downward force applied at the wound site is that the tissue adjacent the wound site flexes downwardly and actually widens the wound gap by separating the tissue, further.
In accordance with a first aspect of the present invention a porous adhesive dressing 20 is utilized. The dressing 20 is lightly applied over the wound site and a vacuum is applied to the tissue adjacent the wound gap through the dressing thereby sucking the nonporous tissue adjacent the wound site into close contact and in bonding contact with the adhesive 22 as shown in Fig. 2. As a result of the wound tissue being brought into close contact the healing process is enhanced. To enable the vacuum to be applied through the dressing, the dressing must be porous. Such a porous dressing is disclosed, for example, in U.S. Patent 4,759,354. One such porous dressing is available commercially
from the 3M Corporation under the tradena e 11TRANSPORE."
As the tissue is sucked up against the dressing the dressing is preferably heated to between 40° C and 80° C. This has two effects: firstly the application of heat to the dressing decreases the viscosity of the adhesive backing and thereby causes the adhesive to flow more uniformly and possibly into regions where it would not otherwise flow to improve the.bonding with the tissue adjacent the wound. In addition, heating the dressing tends to dry the wound site and thereby improves the bonding between dressing and the tissue. A further benefit of applying heat is derived from the generally soothing effect that the additional warmth has on a possibly traumatized patient.
In a successful test of the invention a 2.6mm x 4.0mm strip of TRANSPORE tape was applied to a section of skin and subjected to a vacuum which when open had a negative air flow of 1 SCFM (standard cubic foot per minute) and heated through a range of temperatures. Optimum results were obtained when the dressing was heated to a temperature of 55° C. When the heat and vacuum were both applied to the dressing the force of adherence was increased by a factor of approximately 2.4 as compared with no heat
or vacuum being applied. When only a vacuum was applied to the dressing the adherence was increased by a factor of approximately 1.6. When only heat was applied the adherence appeared to increase with temperature but leveled off at 80* C with an increased adherence factor of 2.3. At 55° C the adherence increased by a factor of 1.8.
Reference is now made to Fig. 3 wherein a device is depicted with which the present invention may be practiced. The device 30 includes a grip 32 supporting both a suction line 34 and a heating rod 36. The heating rod terminates in a plate 38 through which the suction line 34 passes. The suction line is connected to a vacuum pump 40 through a flow meter 42 and control valve 44.
Similarly a control element 46, in the form of a rheostat or the like, is provided to control the temperature attained by the heating element 36.
In use the porous dressing is applied over the wound and thereafter the device 30 is slightly passed over the dressing without bearing down on the dressing. The effect of the vacuum is to draw the tissue to the adhesive backing of the dressing rather than the reverse. The applied heat in addition to assisting in the drying of fluids at the wound site and improving the adhesive
characteristics of the adhesive backing has been reported as having a soothing effect thereby possibly minimizing trauma to the patient. Thus, in accordance with the above, the aforementioned objectives may effectively be attained.
Claims
1. A method of treating a wound comprising the steps of: applying a porous, adhesive backed dressing to a wound site; and applying a vacuum to said wound site through said porous dressing to draw the tissue adjacent the wound into bonding contact with said adhesive without depressing said dressing into the wound.
2. The method in accordance with claim 1 wherein, the step of vacuum application further includes generating said vacuum with a vacuum line which when open has a negative air flow of approximately 1 standard cubic foot per minute or greater.
3. The method in accordance with claim 1 comprising the further step of applying heat to said dressing to cause said adhesive to flow and to drive moisture from the wound site, and thereby improve bonding contact between said dressing and the tissue without depressing said dressing into the wound.
4. . The method in accordance with claim 1 wherein said wound is a flesh wound.
5. The method in accordance with claim 3 wherein said step of heat application further includes heating said dressing to between 40°C and 80°C.
6. The method in accordance with claim 3 wherein said step of vacuum application is performed simultaneously with said step of heat application.
7. The method in accordance with claim 5 wherein said step of vacuum application is performed simultaneously with said step of heat application.
8. A method of treating a wound comprising the steps of: applying a porous, adhesive backed dressing to a wound site; and applying heat to said dressing to cause said adhesive to flow and to drive moisture from the wound site, and thereby improve bonding contact between said dressing and the tissue without depressing said dressing into the wound.
9. The method in accordance with claim 8 wherein said wound is a flesh wound.
10. The method in accordance with claim 8 wherein said step of heat application further includes heating said dressing to be between 40°C and 80°C.
11. A device for use with a porous, adhesive backed dressing for treating a wound site, said device including: vacuum means for applying suction to said wound site through said porous dressing to draw the tissue adjacent the wound site into bonding contact with said adhesive without depressing said dressings into the wound; and a grip for supporting said vacuum means.
12. The device in accordance with claim 11 further comprising a plate affixed to said grip means, and said vacuum means passing through said plate.
13. The device in accordance with claim 12 further comprising means for heating said plate so that heat is applied to the dressing to cause said adhesive to flow and to drive moisture from the wound site, and thereby improve bonding contact between said dressing and the tissue without depressing said dressing into the wound.
14. A device for use with an adhesive backed porous dressing for treating a wound site, said device including: a grip; a plate affixed to said grip; and means for heating said plate so that heat is applied to the dressing to cause said adhesive to flow and to drive moisture from the wound site, and thereby improve bonding contact between said dressing and the tissue.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/695,704 US5149331A (en) | 1991-05-03 | 1991-05-03 | Method and device for wound closure |
US695,704 | 1991-05-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992019313A1 true WO1992019313A1 (en) | 1992-11-12 |
Family
ID=24794156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1992/003498 WO1992019313A1 (en) | 1991-05-03 | 1992-04-28 | Method and device for wound closure |
Country Status (3)
Country | Link |
---|---|
US (1) | US5149331A (en) |
AU (1) | AU1906892A (en) |
WO (1) | WO1992019313A1 (en) |
Cited By (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5439469A (en) * | 1993-11-05 | 1995-08-08 | Advanced Surgical, Inc. | Wound closure device |
EP0688189A1 (en) * | 1993-03-09 | 1995-12-27 | Wake Forest University | Wound treatment employing reduced pressure |
US5645081A (en) * | 1991-11-14 | 1997-07-08 | Wake Forest University | Method of treating tissue damage and apparatus for same |
US6458109B1 (en) | 1998-08-07 | 2002-10-01 | Hill-Rom Services, Inc. | Wound treatment apparatus |
US6755807B2 (en) | 1999-11-29 | 2004-06-29 | Hill-Rom Services, Inc. | Wound treatment apparatus |
US7794450B2 (en) | 2003-10-28 | 2010-09-14 | Smith & Nephew Plc | Wound cleansing apparatus with heat |
US8834451B2 (en) | 2002-10-28 | 2014-09-16 | Smith & Nephew Plc | In-situ wound cleansing apparatus |
US8834520B2 (en) | 2007-10-10 | 2014-09-16 | Wake Forest University | Devices and methods for treating spinal cord tissue |
US8845619B2 (en) | 2004-04-27 | 2014-09-30 | Smith & Nephew Plc | Wound treatment apparatus and method |
US9017302B2 (en) | 2008-07-21 | 2015-04-28 | Smith & Nephew, Inc. | Thin film wound dressing |
US9044579B2 (en) | 2005-04-27 | 2015-06-02 | Smith & Nephew Plc | Wound treatment apparatus and method |
US9050136B2 (en) | 2006-11-17 | 2015-06-09 | Wake Forest University Health Sciences | External fixation assembly and method of use |
US9050399B2 (en) | 2007-07-02 | 2015-06-09 | Smith & Nephew Plc | Wound treatment apparatus with exudate volume reduction by heat |
US9155821B2 (en) | 2009-06-10 | 2015-10-13 | Smith & Nephew, Inc. | Fluid collection canister including canister top with filter membrane and negative pressure wound therapy systems including same |
US9198801B2 (en) | 2004-04-05 | 2015-12-01 | Bluesky Medical Group, Inc. | Flexible reduced pressure treatment appliance |
US9199012B2 (en) | 2008-03-13 | 2015-12-01 | Smith & Nephew, Inc. | Shear resistant wound dressing for use in vacuum wound therapy |
US9205235B2 (en) | 2008-09-05 | 2015-12-08 | Smith & Nephew, Inc. | Canister for wound therapy and related methods therefor |
US9211365B2 (en) | 2002-09-03 | 2015-12-15 | Bluesky Medical Group, Inc. | Reduced pressure treatment system |
US9289193B2 (en) | 2008-07-18 | 2016-03-22 | Wake Forest University Health Sciences | Apparatus and method for cardiac tissue modulation by topical application of vacuum to minimize cell death and damage |
US9302034B2 (en) | 2011-04-04 | 2016-04-05 | Smith & Nephew, Inc. | Negative pressure wound therapy dressing |
US9415145B2 (en) | 2008-08-21 | 2016-08-16 | Smith & Nephew, Inc. | Sensor with electrical contact protection for use in fluid collection canister and negative pressure wound therapy systems including same |
US9414968B2 (en) | 2008-09-05 | 2016-08-16 | Smith & Nephew, Inc. | Three-dimensional porous film contact layer with improved wound healing |
US9446178B2 (en) | 2003-10-28 | 2016-09-20 | Smith & Nephew Plc | Wound cleansing apparatus in-situ |
US9474654B2 (en) | 2008-08-08 | 2016-10-25 | Smith & Nephew, Inc. | Wound dressing of continuous fibers |
US9737455B2 (en) | 2007-01-10 | 2017-08-22 | Wake Forest Univeristy Health Sciences | Apparatus and method for wound treatment employing periodic sub-atmospheric pressure |
US9889241B2 (en) | 2009-06-01 | 2018-02-13 | Smith & Nephew, Inc. | System for providing continual drainage in negative pressure wound therapy |
US9931446B2 (en) | 2008-07-17 | 2018-04-03 | Smith & Nephew, Inc. | Subatmospheric pressure mechanism for wound therapy system and related methods therefor |
US9950100B2 (en) | 2004-04-28 | 2018-04-24 | Smith & Nephew Plc | Negative pressure wound therapy dressing system |
US9956325B2 (en) | 2009-05-11 | 2018-05-01 | Smith & Nephew, Inc. | Orientation independent canister for a negative pressure wound therapy device |
USRE46825E1 (en) | 2009-01-20 | 2018-05-08 | Smith & Nephew, Inc. | Method and apparatus for bridging from a dressing in negative pressure wound therapy |
US10058642B2 (en) | 2004-04-05 | 2018-08-28 | Bluesky Medical Group Incorporated | Reduced pressure treatment system |
US10201644B2 (en) | 2005-09-07 | 2019-02-12 | Smith & Nephew, Inc. | Self contained wound dressing with micropump |
US10207035B2 (en) | 2004-05-21 | 2019-02-19 | Smith & Nephew, Inc. | Flexible reduced pressure treatment appliance |
US10245185B2 (en) | 2011-06-07 | 2019-04-02 | Smith & Nephew Plc | Wound contacting members and methods |
US10357404B2 (en) | 2000-11-29 | 2019-07-23 | Kci Medical Resources Unlimited Company | Vacuum therapy and cleansing dressing for wounds |
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US5226877A (en) * | 1989-06-23 | 1993-07-13 | Epstein Gordon H | Method and apparatus for preparing fibrinogen adhesive from whole blood |
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US5814065A (en) * | 1996-02-09 | 1998-09-29 | Cordis Corporation | Suture delivery tool |
US5690674A (en) * | 1996-07-02 | 1997-11-25 | Cordis Corporation | Wound closure with plug |
US5848998A (en) * | 1996-07-11 | 1998-12-15 | Marasco, Jr.; Patrick V. | Tissue debriding apparatus |
US7759538B2 (en) * | 1997-05-27 | 2010-07-20 | Wilhelm Fleischmann | Process and device for application of active substances to a wound surface |
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US6135116A (en) * | 1997-07-28 | 2000-10-24 | Kci Licensing, Inc. | Therapeutic method for treating ulcers |
GB9719520D0 (en) * | 1997-09-12 | 1997-11-19 | Kci Medical Ltd | Surgical drape and suction heads for wound treatment |
US7273054B2 (en) * | 1997-09-12 | 2007-09-25 | Kci Licensing, Inc. | Surgical drape and head for wound treatment |
US6071267A (en) * | 1998-02-06 | 2000-06-06 | Kinetic Concepts, Inc. | Medical patient fluid management interface system and method |
GB9822341D0 (en) | 1998-10-13 | 1998-12-09 | Kci Medical Ltd | Negative pressure therapy using wall suction |
US6767334B1 (en) | 1998-12-23 | 2004-07-27 | Kci Licensing, Inc. | Method and apparatus for wound treatment |
US6641575B1 (en) * | 1999-01-26 | 2003-11-04 | Neal M. Lonky | Surgical vacuum instrument for retracting, extracting, and manipulating tissue |
WO2000052516A2 (en) | 1999-03-01 | 2000-09-08 | Boston Innovative Optics, Inc. | System and method for increasing the depth of focus of the human eye |
ES2270824T3 (en) | 1999-04-02 | 2007-04-16 | Kci Licensing, Inc. | CLOSURE SYSTEM ASSISTED BY VACUUM WITH HEATING AND COOLING PROVISION. |
US20070021697A1 (en) * | 2004-07-26 | 2007-01-25 | Kci Licensing, Inc. | System and method for use of agent in combination with subatmospheric tissue treatment |
US20070014837A1 (en) * | 1999-04-02 | 2007-01-18 | Kci Licensing, Inc. | System and method for use of agent in combination with subatmospheric pressure tissue treatment |
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Also Published As
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AU1906892A (en) | 1992-12-21 |
US5149331A (en) | 1992-09-22 |
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