[특허]Puncture hole sealing device

Puncture hole sealing device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/08
출원번호	US-0460747 (2003-06-12)
등록번호	US-8709038 (2014-04-29)
발명자 / 주소	Zhong, Sheng-Ping Helmus, Michael N. Ungs, Mark T. Lafontaine, Daniel M.
출원인 / 주소	Boston Scientific Scimed, Inc.
대리인 / 주소	Seager, Tufte & Wickhem LLP
인용정보	피인용 횟수 : 0 인용 특허 : 96

초록 ▼

A hemostatic insert is provided for closing a puncture site in a blood vessel wall. The insert includes an expandable hemostatic member comprising a biocompatible water soluble gel configured to expand from a compressed state when exposed to body fluid and seal the puncture site in the blood vessel

대표청구항 ▼

1. An apparatus for closing a puncture site adjacent to a blood vessel wall comprising: an expandable hemostatic member formed of a biocompatible member, said hemostatic member having a first contracted state and a second expanded state and being configured to expand from the first contracted state to the second expanded state when exposed to body fluid; anda control layer substantially covering the entire surface of the hemostatic member, the control layer having an initial state, in which the control layer prevents body fluid from reaching the hemostatic member, and an activated state in which the control layer no longer prevents body fluid from reaching the hemostatic member, said control layer being configured to change from the initial state to the activated state in response to an expansion triggering technique including exposure to radio signals, radiation, or ultrasonic signals;wherein the change from the initial state to the activated state delays penetration of body fluid through the control layer to the expandable hemostatic member,further wherein the hemostatic member in the first contracted state and the control layer in the initial state are sized and configured to be disposed in an opening in body tissue in a desired position adjacent a wall of a blood vessel. 2. The apparatus of claim 1, wherein the expandable hemostatic member comprises collagen. 3. The apparatus of claim 1, wherein the control layer has a thickness of between about 1 and 200 microns. 4. The apparatus of claim 1, further comprising an elongate member which extends through a hole in the expandable hemostatic member. 5. The apparatus of claim 4, wherein the elongate member frictionally engages the expandable hemostatic member. 6. The apparatus of claim 4, further comprising a slidable pusher member capable of maintaining the expandable hemostatic member in the desired position while the elongate member is withdrawn through the hole in the expandable hemostatic member.

이 특허에 인용된 특허 (96)

Mattei Frank V. (Piscataway NJ) Stephenson Martin (Peterborough CAX) Gordon Allin K. (Peterborough CA CAX) Doddi Namassivaya (Upland CA), Absorbable hemostatic composition.
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Sing Eduardo Chi ; Ashby Mark, Absorbable sponge with contrasting agent.
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Ryan Thomas Patrick, Apparatus and method for sealing and cutting tissue.
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Silver Frederick A. (Long Valley NJ) Berg Richard A. (Lambertville NJ) Birk David E. (Somerset NJ) Weadock Kevin (Piscataway NJ) Whyne Conrad (Somerset NJ), Biodegradable matrix and methods for producing same.
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Mao Hai-Quan ; Leong Kam W., Biodegradable polymers, compositions, articles and methods for making and using the same.
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Oscar E. Illi CH, Device for introducing fibrin adhesive into a puncture channel.
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Brundin Jan-Olof (LindingSEX), Device for members for closing body passages.
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Kensey Kenneth (Chester Springs PA) Clupper Harold E. (West Chester PA), Device for sealing percutaneous puncture in a vessel.
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Sinofsky Edward L. (Peabody MA) Boseck Gary L. (Boxford MA) McNamara Edward I. (Chelmsford MA), Endovascular stent and delivery system.
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Vidal Claude A. (Santa Barbara CA) Redmond Russel J. (Goleta CA) Makower Joshua (Nanuet NY), Hemostatic plug.
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Haaga John R. (3409 N. Hilltop Chagrin Falls OH 44022), Hemostatic sheath for a biopsy needle and method of use.
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Smestad Thomas L. (Palo Alto CA) McPherson John (Sunnyvale CA) Wallace Donald G. (Menlo Park CA), Injectable cross-linked collagen implant material.
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Fowler Bradford C., Insertion assembly and method of inserting a vessel plug into the body of a patient.
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Fowler Bradford C. (Woodinville WA), Insertion assembly and method of inserting a vessel plug into the body of a patient.
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Fowler Bradford C. (Woodinville WA), Insertion assembly and method of inserting a vessel plug into the body of a patient.
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Casale John (Oakland NJ), Laparoscopic hemostat delivery system and method for using said system.
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Pawelchak John M. (Belle Mead NJ) Wang Yu-Chang J. (North Brunswick NJ) LaVia Anthony L. (East Brunswick NJ), Lyophilized hydrocolloio foam.
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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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Wholey Mark H. (Oakmont PA), Method and apparatus for closing blood vessel punctures.
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Jones Michael L. ; Greff Richard J., Method and apparatus for intravasculer embolization.
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Kensey Kenneth (Hinsdale IL), Method and apparatus for sealing an opening in tissue of a living being.
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Imran Mir A., Method and device for sealing vascular puncture wounds.
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Leung Jeffrey C. (Raleigh NC) Clark Jeffrey G. (Raleigh NC), Method of hemostatic sealing of blood vessels and internal organs.
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Vidal Claude A. (Santa Barbara CA) Redmond Russel J. (Goleta CA) Makower Joshua (Nanuet NY), Method of making a hemostatic plug.
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연합인증

Puncture hole sealing device 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허에 인용된 특허 (96)

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Puncture hole sealing device 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허에 인용된 특허 (96)

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