US2280915A - Device for irrigating and treating wounds - Google Patents

Device for irrigating and treating wounds Download PDF

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Publication number
US2280915A
US2280915A US386644A US38664441A US2280915A US 2280915 A US2280915 A US 2280915A US 386644 A US386644 A US 386644A US 38664441 A US38664441 A US 38664441A US 2280915 A US2280915 A US 2280915A
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annular
device
pad
flexible
wound
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US386644A
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John H Johnson
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John H Johnson
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    • 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
    • A61M3/00Medical syringes, e.g. enemata; Irrigators
    • A61M3/02Enemata; Irrigators
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/00051Accessories for dressings
    • A61F13/00068Accessories for dressings specially adapted for application or removal of fluid, e.g. irrigation or drainage of wounds, under-pressure wound-therapy
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F2013/00089Wound bandages
    • A61F2013/00165Wound bandages not touching the wound
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F2013/00089Wound bandages
    • A61F2013/0017Wound bandages possibility of applying fluid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F2013/00089Wound bandages
    • A61F2013/0017Wound bandages possibility of applying fluid
    • A61F2013/00174Wound bandages possibility of applying fluid possibility of applying pressure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F2013/00361Plasters
    • A61F2013/00365Plasters use
    • A61F2013/00412Plasters use for use with needles, tubes or catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F2013/00361Plasters
    • A61F2013/00365Plasters use
    • A61F2013/00536Plasters use for draining or irrigating wounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F2013/00361Plasters
    • A61F2013/00365Plasters use
    • A61F2013/0054Plasters use for deep wounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F2013/00361Plasters
    • A61F2013/00795Plasters special helping devices
    • A61F2013/00829Plasters special helping devices rigid or semi-rigid backing
    • 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
    • A61M1/0058Suction-irrigation systems
    • 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
    • A61M27/00Drainage appliances for wounds or the like, i.e. wound drains, implanted drains

Description

April 28, 1942.

J. H. JOHNSON DEVICE FOR IRRIGA'ITING AND TREATING WOUNDS Im/en trl Jo/m lzfJa/rnsan.

Patented Apr. 28, 1942 UNITED STATES PATENT OFFICE DEVICE FOR IRRIGATING AND TREATING WOUNDS John H. Johnson, Toronto, Ontario, Canada Application April 3, 1941, Serial No. 386,644

8 Claims. (Cl. 128350) This invention relates to a device of the class adapted to be applied about a flesh wound to form a cavity thereabout into which a sterilizing fluid may be introduced, and the principal object of the invention is to provide an improved form of construction which may be clamped tightly about the wounded area in an effective sealing manner and which will provide for an unobstructed flow of the cleansing or antiseptic fluid to and from the wound to carry away the poisons and matter exuded from the wound.

A further and important object is to provide for the adaptation of the device to the treatment of a wound either under pressure or suction conditions.

The principal feature of the invention resides about the wound, while the other wall is formed ill with a hollow flexible protuberance opposite the opening of the other wall adapted for the reception of a cleansing or sterilizing fluid, the

spaced walls forming an annular chamber connected to a discharge outlet.

A further and important feature resides in the provision of a cupped element of hard or rigid form adapted to be inserted in the wall protuberance and having a flange portion to fit between the spaced walls to support the central flexible structure against collapse when it is desired to treat the wound under suction conditions.

In the drawing Figure 1 is a perspective View of a device constructed in accordance with the present invention showing same applied to a wounded member.

Figure 2 is a transverse sectional elevation through the device shown in Figure 1.

Figure 3 is a transverse sectional elevation through the device showing same adapted for the treatment of a Wound under suction conditions.

Figure 4 is an enlarged fragmentary sectional view taken on the line 4-4 of Figure 1.

In the treatment of suppurating Wounds it has been proposed to apply cup-shaped members of more or less rigid form in a sealing manner about the wound and to introduce a cleansing fluid which may be in the form of a saline solution within the cup and allowing the same to drain off through an outlet and it has also been proposed to apply a suction influence within a cupped element.

The present invention has been proposed to overcome difficulties associated with prior constructions, particularly in regard to the sealing and draining features and to provide a form of device which will be of rugged form, dependable in its action and comfortable to the patient.

In the form of the construction shown a main pad I of rectangular form is provided, preferably formed of rubber having incorporated therein a reinforcing fabric 2 having the edges 3 turned backwardly to form a reinforcing margin in which eye members 4 are secured for the reception of the fastening laces 5.

The central region of the pad is moulded with integral flexible spaced wall portions 6 and I, preferably quite thin and free from interior reinforcement and forming an annular chamber 8 therebetween, the wall I beingmerged with the wall 6 about the channel by a thickened reinforcing and stiffening flange 9 and the reinforcing fabric 2 may extend slightly past the flange 9 into the outer zone of the wall 6 and, as represented at It), a portion thereof may extend into the flange.

The walls 6 and l are of annular form and the inner periphery of the wall 6 terminates in a thickened out-turned annular sealing flange l I for sealing contact with the flesh about the wound 12. The inward extremity of the annular wall portion 1 is extended laterally in a flexible cup formation [3 which converges to a tubular neck portion M, the latter being adapted to receive a length of glass or rubber tubing I5 with which a length of rubber tubing I6 is connected which may lead from a supply of the solution which it is desired to apply to the wound.

The pad is moulded with a tubular outlet I! which leads inwardly from one edge of the pad on the upper side thereof and overlies a portion at least of the annular wall I and provides a discharge passage [8 which leads directly from the annular passage 8 formed between the walls 6 and I. A length of glass tubing I9 is adapted to be inserted in the passage 18 and this may have a tubular extension 20.

In the use of this device when it is desired to supply a cleansing solution to the Wound the device is attached in the manner defined so that the wound l2 will be exposed through the opening within the sealing flange H and the container, or other source of supply of the solution with which the tubing I6 is connected, is ar ranged at a desired height above the patient to cause the solution to flow into the flexible cup portion l3 and variable pressures may be established within the flexible cup, depending on the height of the container for the solution.

The rate of flow may be regulated by any well known means and as this solution enters the pocket it will circulate over the wounded area and will carry oiT poisons or pus accumulations from the wound out through the discharge passage where they will be carried off.

It is important to note that the annular passage 8 extends completely about the wound so that should the wound present a pronounced protuberance into the pocket it will not result in the closing of the outlet passage I 8, since there Will always be available a free outlet for the solution and the poisons picked up thereby through the annular passage 8.

Moreover the flexible nature of the wall I and pocket l3 enables the pressure of the fluid to exert a separating action on the walls 6 and I, thus maintaining the annular passage 8.

The tubular sleeve l may be readily adjusted in the neck I4 as represented in broken lines so that its discharge end will be in the most effective relation to the wounded area.

When it is desired to apply a suction treatment to the Wounded area it is necessary to provide against the collapse of the flexible wall 1' and cupped portion l3, and in Figure 3 I have shown a preferred manner 'of accomplishing this special support which will now be defined.

A cup-shaped member 2! moulded from rigid or semi-rigid material is adapted to be inserted within the cup-shaped portion 3 and may advantageously be provided with a tubular nipple 22 which extends a short distance within the neck I4 of the cup.

The cupped member 2i is provided with a base flange 23 of annular form which is adapted to fit within the channel 8 between the flexible walls 6 and 1, the wall 6 being adapted to readily flex to permit the insertion of the cupped member 23 and its flange 23,

An annular groove 2% is here shown formed on the inner side of the flange 23 communicating with the interior of the cup and leading from the groove 24 is a tubular extension 25 which extends into the outlet passage 18. It will thus be evident that a suction may then be applied, preferably from any suitable suction-producing means connected with the tube fill either during the feeding of the cleansing solution from the tubing I 6 or independent thereof.

The presence of the semi-rigid cup 2i and flange 23 and tubular extension it effectively supports the areas with which these parts con tact against collapse due to the reduction oi the interior pressure, and any matter exuded from the suppurating wound will be eflectively carried off through the tubular outlet 25 to discharge.

A device such as described possesses considerable utility for the purposes outlined and it enables the treatment of the wound in the most efle'ctive manner and being of such flexible character it will adapt itself readily to the various contours of the human body.

The rigid cupped insert may be made with a plurality of perforations adjacent to the bottom 'to allow the flow of fluid to the annular chamber 8 and will not have the lateral flange above described.

What I claim as my invention is:

l. A device as claimed in claim 4 in combination with a rigid or semi-rigid cupped element adapted for insertion within said hollow cupshaped protuberance to reinforce the same against collapse and having a flange portion for entry into said annular channel to support said annular wall portions against collapse and having inlet and outlet passages adapted to register respectively with said fluid inlet and outlet passages.

2. A device of the class described having a main flat pad portion provided with a centrally disposed annular sealing bead projecting below the under surface of the pad adapted to press into and seat about the wounded zone, a cup-shaped portion, means flexibly connecting said cupshaped portion with said annular sealing bead and forming therewith a chamber of variable volume including a thin flexible wall spaced substantially parallelly from the said fiat pad portion beyond the said sealing bead of the pad and forming therewith a drainage channel, said flexible well being connected with the pad only at the outward side or" the said channel leaving the channel unobstructed on the inward side, and means for introducing and discharging fluid into and out of said chamber and channel respectively.

3. A device of the class described having in combination a flat flexible pad for extensive surface contact about a wounded zone and having an integral annular bead projecting perpendicularly below the undersuriace of the flexible pad for sealing encirclement immediately about the wound, means forming with said flexible pad and spaced therefrom an annular passage extending outwardly above the pad well beyond the annular bead, said means being cupped centrally to form a central pocket and being connected with the pad at the outward limit only of the annular passage in a peripheral zone between the said annular bead and the outer perimeter of the said flat flexible pad, a tubular inlet leading to said central pocket, and a tubular outlet leading from said annular passage.

4. A device of the class described comprising a thin flexible moulded pad element for embracing the body about an injured zone and having integral substantially parallelly spaced upper and lower annular flexible wall portions forming an annular channel therebetween and being connected together only at the outward side of said annular channel, the lowermost of said wall portions having an inner peripheral bead projecting perpendicularly therebelow adapted to seal against the body about the wounded zone well within the marginal limits of the said thin flexible pad element and the upper wall having a hollow cup-shaped protuberance, the said upper wall forming a floating support for said cup-shaped protuberance whereby the latter may ride up and down on variation of internal pressure, a fluid inlet leading to the interior of said cup-shaped protuberance, and a fluid outlet leading from said annular chamber.

5. A device as claimed in claim 4 in which said pad member has incorporated therein a flexible reinforcing medium extending inwardly from the edges and terminating short of the an- 111113! Upper flexible wall portion leaving the latter free for maximum flexing.

6. A device as claimed in claim 4 i said moulded pad member is reinforced oz -tl i e outward side of said spaced flexible channelforming wall portions leaving the latter mainly free of internal reinforcement for enhanced flexing action, and fastening means associated with opposite reinforced sides of said pad member.

7. A device as claimed in claim 4 in combination with a rigid or semi-rigid cupped element adapted for insertion within said hollow cupshaped protuberance to reinforce the same against collapse and having a flange portion for entry into said annular channel to support said annular wall portions against collapse and having inlet and outlet passages adapted to register respectively with said fluid inlet and outlet passages, the flange portion of said cupped member being provided with a circumferential channel on the inward side communicating with the outlet passage of said cupped member to take the place of the annular channel within which the flange portion fits.

8. In a device of the class described, the combination of a flexible pad having an opening formed with a flanged edge to encircle a wound and form a seal therearound, means co-operating with said pad to form a drain passage on the outward side of said opening, a cupped extension connected with the aforesaid means and extending above the aforesaid opening and having an inlet thereto, means forming a tubular outlet from said drain passage, and a rigid reinforcing cup adapted to be inserted in said cupped extension and having the bottom thereof open and being formed with an extension engaging the flexible pad in supporting contact to support the drain passage against collapse, and means forming drainage communication from the interior of the rigid reinforcing cup through said drain passage to said tubular outlet.

JOHN H. JOHNSON.

US386644A 1941-04-03 1941-04-03 Device for irrigating and treating wounds Expired - Lifetime US2280915A (en)

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Cited By (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2524750A (en) * 1947-04-23 1950-10-10 Martin J Bellinger Surgical appliance for use with draining wounds
US3288140A (en) * 1963-10-04 1966-11-29 John J Mccarthy Means for treating surface wounds
US3367338A (en) * 1965-10-23 1968-02-06 Crandall Bee Carl Surgical appliance
US3815598A (en) * 1972-01-19 1974-06-11 A Vass Instrument for administering fluid into a body through an orifice therein
WO1980001139A1 (en) * 1978-12-06 1980-06-12 Svedman Paul Device for treating tissues,for example skin
WO1984001904A1 (en) * 1982-11-17 1984-05-24 Gunnar Swanbeck A device for rinsing and treating wounds and infected skin portions
EP0139861A1 (en) * 1983-07-28 1985-05-08 Mustafa Ayhan Dr. Azizoglu Device for the treatment of peritonitis and the like
US4574798A (en) * 1983-12-12 1986-03-11 Heitzman William G Surgical appliance support
US4675006A (en) * 1986-01-06 1987-06-23 Regents Of The University Of Minnesota Needle support system
EP0688189A1 (en) 1993-03-09 1995-12-27 Wake Forest University Wound treatment employing reduced pressure
US20030225347A1 (en) * 2002-06-03 2003-12-04 Argenta Louis C. Directed tissue growth employing reduced pressure
US20040073151A1 (en) * 2002-09-03 2004-04-15 Weston Richard Scott Reduced pressure treatment system
US20050101940A1 (en) * 2003-08-28 2005-05-12 Radl Christopher L. Device for treating a wound
US20050203452A1 (en) * 2004-03-09 2005-09-15 Weston Richard S. Enclosure-based reduced pressure treatment system
US20050222528A1 (en) * 2004-04-05 2005-10-06 Weston Richard S Reduced pressure wound cupping treatment system
US20050222544A1 (en) * 2004-04-05 2005-10-06 Weston Richard S Flexible reduced pressure treatment appliance
US20050261643A1 (en) * 2002-09-13 2005-11-24 Farhad Bybordi Closed wound drainage system
US20050261642A1 (en) * 2004-05-21 2005-11-24 Weston Richard S Flexible reduced pressure treatment appliance
US20050261615A1 (en) * 2004-05-21 2005-11-24 Richard Scott Weston Hypobaric chamber treatment system
WO2006056408A1 (en) * 2004-11-23 2006-06-01 Malamutmann, Viktor Device for treating wounds
US20060155260A1 (en) * 2002-10-28 2006-07-13 Blott Patrick L Apparatus for aspirating, irrigating and cleansing wounds
US20060213527A1 (en) * 1991-11-14 2006-09-28 Argenta Louis C Wound treatment employing reduced pressure
US20070066945A1 (en) * 2003-10-28 2007-03-22 Martin Robin P Wound cleansing apparatus with scaffold
US20070129707A1 (en) * 2003-10-28 2007-06-07 Blott Patrick L Wound cleansing apparatus with heat
US20070167926A1 (en) * 2003-10-28 2007-07-19 Blott Patrick L Wound cleansing apparatus in-situ
US20070293830A1 (en) * 2004-10-29 2007-12-20 Smith & Nephew, Plc Simultaneous Aspirate & Irrigate & Scaffold
US20080271804A1 (en) * 2007-03-20 2008-11-06 Neogen Technologies, Inc. Flat-hose assembly for wound drainage system
US20080281324A1 (en) * 2006-11-17 2008-11-13 Webb Lawrence X External fixation assembly and method of use
US20090012483A1 (en) * 2004-04-28 2009-01-08 Patrick Lewis Blott Dressing and apparatus for cleansing the wounds
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US20090187259A1 (en) * 2007-10-10 2009-07-23 Argenta Louis C Devices and methods for treating spinal cord tissue
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US20090221977A1 (en) * 2005-09-15 2009-09-03 Patrick Lewis Blott Apparatus with actives from tissue
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US7776028B2 (en) 2004-04-05 2010-08-17 Bluesky Medical Group Incorporated Adjustable overlay reduced pressure wound treatment system
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US20100297208A1 (en) * 2006-05-12 2010-11-25 Nicholas Fry Scaffold
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US8377016B2 (en) 2007-01-10 2013-02-19 Wake Forest University Health Sciences Apparatus and method for wound treatment employing periodic sub-atmospheric pressure
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US8715256B2 (en) 2007-11-21 2014-05-06 Smith & Nephew Plc Vacuum assisted wound dressing
US8764732B2 (en) 2007-11-21 2014-07-01 Smith & Nephew Plc Wound dressing
US8808274B2 (en) 2007-11-21 2014-08-19 Smith & Nephew Plc Wound dressing
US8829263B2 (en) 2005-09-07 2014-09-09 Smith & Nephew, Inc. Self contained wound dressing with micropump
US20150005678A1 (en) * 2012-02-13 2015-01-01 Integrated Healing Technologies Wound dressing apparatus
US8945074B2 (en) 2011-05-24 2015-02-03 Kalypto Medical, Inc. Device with controller and pump modules for providing negative pressure for wound therapy
US9058634B2 (en) 2011-05-24 2015-06-16 Kalypto Medical, Inc. Method for providing a negative pressure wound therapy pump device
US9061095B2 (en) 2010-04-27 2015-06-23 Smith & Nephew Plc Wound dressing and method of use
US9067003B2 (en) 2011-05-26 2015-06-30 Kalypto Medical, Inc. Method for providing negative pressure to a negative pressure wound therapy bandage
US10058642B2 (en) 2004-04-05 2018-08-28 Bluesky Medical Group Incorporated Reduced pressure treatment system
WO2019027806A1 (en) * 2017-07-29 2019-02-07 Lin Edward D Deformation resistant wound therapy apparatus and related methods of use
US10265445B2 (en) 2015-09-15 2019-04-23 Smith & Nephew, Inc. Reduced pressure treatment system

Cited By (179)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2524750A (en) * 1947-04-23 1950-10-10 Martin J Bellinger Surgical appliance for use with draining wounds
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