[특허]Method and apparatus for hemostasis

Method and apparatus for hemostasis 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-013/00
출원번호	US-0596246 (2012-08-28)
등록번호	US-8759602 (2014-06-24)
발명자 / 주소	Buckman, Robert F. Lenker, Jay A. Kolehmainen, Donald J.
출원인 / 주소	Buckman, Robert F.
인용정보	피인용 횟수 : 0 인용 특허 : 35

초록 ▼

Devices and methods are disclosed for achieving hemostasis in traumatized patients. Such haemostatic packing devices and methods are especially useful in the emergency, trauma surgery or military setting. The patient may have received trauma to abdominal viscera, the thoracic cavity or the periphery. The devices utilize fluid impermeable outer surfaces and distributed pressure to achieve tamponade and hemostasis, primarily by exertion of pressure. The devices come in a variety of configurations including sheet, rolled sheet, folded sheet and polygonal solids including extruded shapes. The devices are capable of serving as carriers for thrombogenic or anti-pathogenic agents. The devices are flexible, bendable, and conformable in their wet or dry state so that they exert distributed pressure on the wound. The hemostatic packing devices may be placed and removed by open surgery or laparoscopic access without generating excessive re-bleeding, and may further comprise antimicrobial or thrombogenic regions.

대표청구항 ▼

1. A method of achieving wound hemostasis comprising: providing at least one haemostatic packing device comprising a three-dimensional conformable mass with a fluid impermeable cover on at least a part of its exterior surface;packing a wound by placing the at least one haemostatic packing device into the wound and inflating said at least one haemostatic device, wherein the haemostatic packing device further comprises a water swellable hydrogel and a fluid permeable region configured to permit liquids to migrate into the water swellable hydrogel such that the water swellable hydrogel swells from a first, smaller size to a second larger size; andremoving said at least one haemostatic packing device once hemostasis is achieved. 2. The method of claim 1 wherein the placement of said at least one haemostatic packing device is accomplished with an axially elongate placement device. 3. The method of claim 1 wherein the conformable mass retains sufficient hardness to exert pressure of at least systemic arterial pressure against the wound. 4. The method of claim 1 wherein deflation or inflation of said at least one haemostatic packing device is accomplished through an axially elongate hollow introduction device. 5. The method of claim 1 wherein the cover of the haemostatic packing device further comprises anti-microbial or thrombogenic agents. 6. The method of claim 1 wherein the haemostatic packing device is packaged within a sterile barrier and sterilized prior to use. 7. The method of claim 1 wherein the haemostatic packing device further comprises a port to permit liquids to migrate into the water swellable hydrogel. 8. The method of claim 1 further comprising placing the haemostatic packing device within the wound with an axially elongate placement device, wherein the axially elongate placement device remains within the wound along with the haemostatic packing device for at least a portion of a time prior to removal of the haemostatic packing device. 9. A hemostatic wound packing system for packing a wound and achieving hemostasis comprising: at least one three-dimensional pack comprising a soft, pliable substrate at least partially covered with a fluid impermeable covering;wherein the substrate of the at least one three-dimensional pack comprises at least a core layer and a surround layer, the surround layer being a softer material than the core layer; andwherein when placed in the wound, the system utilizes the fluid impermeable covering and pressure to achieve hemostasis. 10. The system of claim 9 wherein the core layer comprises a higher spring force than the surround layer. 11. The system of claim 9 wherein the core layer and the surround layer comprise foam. 12. The system of claim 9 wherein the core layer or the surround layer comprise foam. 13. The system of claim 9 wherein the core layer or the surround layer comprise a bladder fillable with a fluid, gel, or particulates. 14. The system of claim 9 further comprising an axially elongate placement device. 15. The system of claim 9 wherein the substrate of the at least one three dimensional pack comprises a water swellable hydrogel and a fluid permeable region configured to permit liquids to migrate into the water swellable hydrogel such that the water swellable hydrogel swells from a first, smaller size to a second larger size. 16. The system of claim 9 wherein the substrate comprises foam. 17. The system of claim 9 wherein the at least one three-dimensional pack further comprises a plurality of indentations on the fluid impermeable covering, said indentations adapted to carry haemostatic or thrombogenic agents. 18. The system of claim 9 wherein the at least one three-dimensional pack further comprises anti-pathogenic or haemostatic agents disposed on the fluid impermeable covering. 19. The system of claim 9 wherein the at least one three-dimensional pack is packaged within a sterile barrier and sterilized prior to use. 20. The system of claim 9 wherein the substrate retains sufficient hardness to exert at least systemic arterial pressure against the wound.

이 특허에 인용된 특허 (35)

Rawlings David A. (Elmdom GBX) Blott Patrick L. (Bishops Stortford GBX), Adhesive polymeric foam dressings.
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Greenawalt Keith E. ; Gershkovich Julia B., Compositions comprising hemostatic compounds and bioabsorbable polymers.
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Webster, David F., Dressing.
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Pawelchak, John M.; Freeman, Frank M., Dressings, granules, and their use in treating wounds.
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DeMane Catherine (Memphis TN) Schwarz Robert (Memphis TN), Expandable nasal stent.
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Silverberg Ian, Expandable wrap with multiple panels and attachable pocket.
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Bell Eugene ; Malik Aslam A. ; Nahlovsky Boris ; Young Marvin F., Field dressing for control of exsanguination.
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Edenbaum Martin I. (Princeton Junction NJ) Rybalka Borys (Philadelphia PA), Foam bandage.
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Pruss Thaddeus P. (Baltimore MD) Will James A. (Columbus WI), Hemostatic patch.
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Kanare Donald (2610 St. Margaret Ct. Alameda CA 94501), Hot and cold body pack.
상세보기
Dunshee Wayne K. (Maplewood MN) Chang Robert W. H. (Roseville MN), Instant hot or cold, reusable cold pack.
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Cercone Ronald J. (East Lyme CT) Quaratella Scott J. (Westerly RI) Gertzman Arthur A. (Woodbridge CT), Laminated sponge device.
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Shippert Ronald D., Medical absorbent pack substantially free of unwanted adhesion properties.
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Zook Gerald P. (9708 Woodlawn Ave. N. Seattle WA 98103), Medicating device for nails and adjacent tissue.
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Buckman, Robert F.; Lenker, Jay A.; Kolehmainen, Donald J., Method and apparatus for hemostasis.
상세보기
Barikosky Michel,FRX, Method of treating a wound using dressing product with core of alginate fibers.
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Pawelchak John M. (East Windsor NJ) Freeman Frank M. (Lawrenceville NJ), Method of treating wounds with granules and dressing.
상세보기
Cercone Ronald J., Non-adherent nasal, sinus and otic packing and method for processing sponge materials in fabrication of packings.
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Edwardson Peter A. D.,GBX ; Fairbrother John E.,GBX ; Gardner Ronald S.,GBX ; Hollingsbee Derek A.,GBX ; Cederholm-Williams Stewart A.,GBX, Nondynamic fibrin monomer on bandages, sutures, prostheses and dressings.
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Peterson Donald A. (15601 SW. April La. Portland OR 97224), Postoperative wound dressing.
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Daneshvar Yousef (21459 Woodfarm Northville MI 48167), Pressure bandages and dressings.
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John Arthur Beall, Protective non occlusive wound shield.
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Jackson David M. (Gwinnett County GA) Matthews Billie J. (Winnebago County WI) Bornslaeger S. Richard (Outagamie County WI), Resilient shape-retaining sanitary napkin.
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Maiwald Diane C, Skin wound protector.
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Perrault James J. (Brooklyn Center MN), Strand-of-beads wound packing product.
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MacPhee Martin James ; Drohan William Nash ; Woolverton Christoper J., Supplemented and unsupplemented tissue sealants, methods of their production and use.
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Zook Gerald P. (909 N. 8th St. ; Apt. B-2 Tacoma WA 98403), Topical medicating device.
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Meiss Ludwig (Hamburg DEX), Wound covering having connected discrete elements.
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Sessions, Robert W.; Rodzen, Richard A., Wound dressing for treating injury to nasal passages.
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Allaire Michael J. (Cincinnati OH) Wolf Michael L. (West Milton OH), Wound dressing having a cylindrical shape for deep wounds.
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Cartmell James V. (Xenia OH) Sturtevant Wayne R. (Centerville OH) Wolf Michael L. (West Milton OH), Wound dressing with dehydrated hydrogel gauze.
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Cartmell James Vernon ; Sturtevant Wayne R. ; Wolf Michael Lee, Wound packing.
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Cartmell James V. (Xenia OH) Sturtevant Wayne R. (Centerville OH) Wolf Michael L. (West Milton OH), Wound packing and package therefor.
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Tweedle Jack A., Wound protecting device.
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Valentine Douglas R. (Oakdale CT) Cercone Ronald J. (East Lyme CT) Adams Mark K. (Califon NJ), Wound treatment method.
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