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특허 상세정보

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Smooth ventricular assist device conduit

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61M-001/10   
미국특허분류(USC) 600/016
출원번호 US-0191506 (1998-11-13)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Cumberbatch
인용정보 피인용 횟수 : 101  인용 특허 : 19
초록
▼

A smooth-walled non-crimped inflow conduit for an implantable ventricular assist system. The conduit has an internally smooth lumen surface for enhanced washing of the conduit under irregular blood flow conditions. The conduit includes a tubular graft body that may be formed of a knitted fabric sealed with bovine collagen or gelatin, or formed of closed structured PTFE. The conduit may include external ribbing or support to prevent inward collapse under negative pressure conditions and also protect against damage from inadvertent physical contact in the ...

대표
청구항

[ We claim:] [1.] An inflow conduit for an implantable ventricular assist device, comprising:a flexible tubular graft body having an upstream end and a downstream end, the body having a substantially smooth inner surface for enhanced flow-through of blood with a minimum of surface-induced turbulence;a ventricular attachment structure to which the upstream end of the body connects; anda coupling fitting on the downstream end of the body.

이 특허에 인용된 특허 (19)

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  13. Gabbay Shlomo (57 Birchwood La. Hartsdale NY 10530). Prosthetic heart valve. USP1988074759758.
  14. Inacio Jorge (Solna SEX) Nilsson Erling (Upplands Vsby SEX). Pump. USP1990054925377.
  15. Chareire Jean-Louis (Levallois FRX). Quick connect system for connecting a blood vessel and a cardiac prosthesis. USP1987034650486.
  16. Beck Andreas (Hornberg DEX) Nanko Norbert A. (Freiburg DEX). Stent and catheter for the introduction of the stent. USP1992095147385.
  17. Quijano R. C. (Laguna Hills CA) Nashef Aws (Huntington Beach CA). Stent devices and support/restrictor assemblies for use in conjunction with prosthetic vascular grafts. USP1997035609626.
  18. Ramos Martinez Wilson (Doctor Fleming ; 24 Madrid ESX). Tubular-valued artificial heart. USP1992075133744.
  19. Kolff Willem J. (Salt Lake City UT). Ventricular assist device and method of manufacture. USP1989064838889.

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