[특허]Apparatus and methods for closing vascular penetrations

Apparatus and methods for closing vascular penetrations 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-018/14
출원번호	UP-0943882 (2007-11-21)
등록번호	US-7815640 (2010-11-08)
발명자 / 주소	Yassinzadeh, Zia
출원인 / 주소	Cardiva Medical, Inc.
대리인 / 주소	Townsend and Townsend and Crew LLP
인용정보	피인용 횟수 : 0 인용 특허 : 36

초록 ▼

Apparatus for sealing vascular penetrations comprise a shaft having an electrode or other energy-applying element at a distal end. The shaft is placed in a tissue tract over a blood vessel penetration and located using a locator which engages an inner wall of the blood vessel. Once in position, an anchor is used to hold the shaft, allowing the locator to be removed. Energy is then applied through a distal tip of the shaft in order to induce desiccation and plug formation in a blood pool formed between the distal end of the shaft and the wall of the blood vessel.

대표청구항 ▼

What is claimed is: 1. Apparatus for sealing a blood vessel penetration disposed at the end of a tissue tract, said apparatus comprising: a shaft having a proximal end and a distal tip, said shaft being configured to advance through the tissue tract; a locator on the shaft for positioning the distal tip a predetermined proximal distance from the blood vessel penetration; and means on the distal tip of the shaft for delivering energy to induce clotting in a blood pool located in the tissue tract distally of the distal tip when the tip is positioned by the locator. 2. Apparatus as in claim 1, wherein the predetermined distance is in the range from 1.25 mm to 6.35 mm. 3. Apparatus as in claim 1, further comprising an anchor on the shaft, wherein the anchor is deployable to retain the shaft at the position determined by the locator after the locator has been withdrawn. 4. Apparatus as in claim 3, wherein the anchor comprises tissue penetrating elements which are laterally advanceable from the shaft into a side wall of the tissue tract after the shaft has been located. 5. Apparatus as in claim 1, wherein the locator comprises an expandable element which is deployable within the blood vessel lumen so that the distal tip is positioned by pulling back the shaft to engage the locator against an inside wall of the blood vessel. 6. Apparatus as in claim 5, wherein the expandable element comprises a wire which is straightened when constrained in the shaft and which expands when advanced into the blood vessel lumen. 7. Apparatus as in claim 6, wherein the wire forms a planar coil disposed perpendicularly to the axis of the shaft when advanced from the shaft. 8. Apparatus as in claim 3, wherein the anchor comprises a surface which engages skin surrounding an opening to the tissue tract, wherein the surface can be selectively attached to the shaft after the shaft has been located. 9. Apparatus as in claim 1, wherein the energy delivering means comprises an electrode, a heated surface, a fiberoptic waveguide, or an ultrasonic transducer.

이 특허에 인용된 특허 (36)

Marks Lloyd A. (Bryn Mawr PA), Aperture occlusion device.
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Latson Larry A. ; Kapitan John M., Apparatus and method for occluding a defect or aperture within body surface.
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Brenneman Rodney ; Cragg Andrew H., Apparatus and method for percutaneous sealing of blood vessel punctures.
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Tay Sew-Wah (Plymouth MN) Schankereli Kemal (Stillwater MN) Holman Thomas (Minneapolis MN) Mische Hans (St. Cloud MN), Apparatus and method for sealing vascular punctures.
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Tay Sew-Wah ; Schankereli Kemal ; Mische Hans ; Holman Thomas, Apparatus and method for sealing vascular punctures.
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Pedros Roberto ; Ratcliff Keith ; Robertson John C., Arterial hole closure apparatus.
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Houser,Russell A.; Hare,William D., Arteriotomy closure devices and techniques.
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Bonutti Peter M. (1303 W. Evergreen Plz. Effingham IL 62401), Arthroscopic retractor and method of using the same.
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Epstein Gordon H. ; Lempert Todd E. ; Martin Brian B., Biological sealant mixture and system for use in percutaneous occlusion of puncture sites and tracts in the human body and method.
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Epstein Gordon H. ; Lempert Todd E., Closure device for percutaneous occlusion of puncture sites and tracts in the human body and method.
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Konya Andras ; Wright Kenneth C., Declotting method and apparatus.
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Marino, Joseph A.; Corcoran, Michael P., Delivery system with safety tether.
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Lesh Michael D., Device and method for forming a circumferential conduction block in a pulmonary vein.
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Behl Robert S. ; Palermo Thomas ; Nichols Colin J., Device for permanent vessel occlusion.
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Roschak, Ed; Tanaka, Don; Haugaard, Dave; Keast, Thomas, Devices for creating collateral channels.
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Yassinzadeh, Zia, Drug eluting vascular closure devices and methods.
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Epstein Gordon H. ; Lempert Todd E. ; Martin Brian B. ; Taylor David M., Expansile device for use in blood vessels and tracts in the body and method.
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Epstein Gordon H. ; Lempert Todd E. ; Martin Brian B., Expansile device for use in blood vessels and tracts in the body and tension application device for use therewith and me.
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Epstein Gordon H. ; Lempert Todd E. ; Martin Brian B. ; Taylor David M., Expansile device for use in blood vessels and tracts in the body and tension application device for use therewith and me.
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Epstein Gordon H. ; Lempert Todd E. ; Martin Brian B. ; Taylor David M., Expansile device for use in blood vessels and tracts in the body and tension application device for use therewith and method.
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Ginn,Richard S., Locator and delivery device and method of use.
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Myers Gene (2727 S. Tamiami Trail ; Suite 2A Sarasota FL 34239) Coury William S. (2830 Bay Shore Cir. Sarasota FL 34234), Method and apparatus for arteriotomy closure.
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Sinofsky Edward L. (Reading MA), Method for closing and sealing an artery after removing a catheter.
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Wensel Jeffrey P. ; Gobin Y. Pierre, Method of using a clot capture coil.
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Lindenbaum,Hayim; Eckhouse,Shimon, Methods and apparatus for hemostasis following arterial catheterization.
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Lindenbaum,Hayim; Eckhouse,Shimon, Methods and apparatus for hemostasis following arterial catheterization.
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Lee Benjamin I. (4911 Van Ness St ; NW. Washington DC 20016), Methods and device for percutanceous sealing of arterial puncture sites.
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Taymor-Luria Howard (34 Cove Rd. Belvedere CA 94920), Percutaneous vascular sealing method.
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Kensey Kenneth (Chester Springs PA), Plug device for sealing openings and method of use.
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Shaw Edward E. ; Salunke Nitin V. ; Mace Gregory T., Self-expanding defect closure device and method of making and using.
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Torossian Richard, Stent delivery system and method.
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Sierra David H. (San Jose CA) Luck Edward E. (Menlo Park CA) Brown Dennis M. (Menlo Park CA), Surgical adhesive material.
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Boussignac Georges (Antony FRX) Hilaire Pierre (Paris FRX) Pendaries Pascal (Paris FRX), System for temporarily obturating an orifice in a perforated organ, such as a vessel.
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Ham Kevin (Santa Clara CA) Garrison Michi E. (Belmont CA) Khosravi Farhad (Belmont CA), Temporary stenting catheter with one-piece expandable segment.
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Gianturco Cesare (Champaign IL), Tissue aperture repair device.
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Gershony Gary (1599 Swan Dr. Tulsa OK 74120) Nowakowski Karol W. (5476 Landmark Cir. Moundview MN 55112), Vascular sealing device.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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Apparatus and methods for closing vascular penetrations 원문보기

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Apparatus and methods for closing vascular penetrations 원문보기

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