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특허 상세정보

Valve means with fluid retraction means

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16K-003/24   
미국특허분류(USC) 137/6142 ; 251/324 ; 222/571
출원번호 US-0201287 (1994-02-24)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 16  인용 특허 : 0
초록

A combined trumpet valve and reed valve serve to control the flow of fluid into a conduit and is particularly adapted for lens cleaning apparatus for flowing water over the lens or lens cover in an endoscope with viewing mechanism and is capable of retracting the trapped fluid in the conduit to prevent it from dripping into the area being viewed and removing any residual fluid that is left on the lens when the valve is positioned to the closed position.

대표
청구항

Liquid fluid retraction and on/off valve means adapted to flow liquid fluid from a source to an output tube comprising a valve body having a central bore, an inlet port and an outlet port communicating with said central bore, a valve stem extending into said central bore and having an end portion extending beyond the valve body, a depressible handle attached to said end portion of said valve stem to urge said valve stem to open said on/off valve means when moved in one direction, spring means operatively connected to said depressible handle for urging sa...

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  12. Williams, Jeffrey B.; Pyles, Kenneth R.; Carr, Douglas L.. Fluid management system with pressure and flow control operating modes. USP2013058444592.
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  15. Iaizzo, Paul A.; Laske, Timothy G.. System and method for determining location and tissue contact of an implantable medical device within a body. USP2003126671550.
  16. Iaizzo, Paul A.; Laske, Timothy G.; Choi, Woohyek. System and method for determining tissue contact of an implantable medical device within a body. USP2004036714806.