[특허]Unit for insufflating and cleaning gas

Unit for insufflating and cleaning gas 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-037/00
출원번호	US-0529976 (1990-05-29)
우선권정보	DE-3922746 (1989-07-11)
발명자 / 주소	Baier Manfred (Knittlingen DEX)
출원인 / 주소	Richard Wolf GmbH (Knittlingen DEX 03)
인용정보	피인용 횟수 : 71 인용 특허 : 0

초록 ▼

A insufflation unit for distending a body cavity such as a uterus which is to be examined or treated endoscopically has a gas control circuit which connects a gas supply unit to the endoscope via a flowmeter, a shut-off valve and a filter. Associated with this gas control circuit is an extractor circuit which comprises a pump whose suction end is coupled up to the output of the flowmeter. A pressure-measuring transducer logs the pressure at the suction end of the pump and its measurements, together with those from the flowmeter, are made use of in analyzer electronics by switching off the pump before a pressure likely to put the patient at risk occurs should there be a fault in the extractor circuit.

대표청구항 ▼

An insufflation unit for insufflating a small body cavity with a gas and for recycling said gas removed from said small body cavity, comprising: a gas supply unit for supplying a gas; a shut-off valve being in fluid communication with said gas supply unit having a first position such that gas flowing from said gas supply unit flows through said shut-off valve and a second position such that gas flowing from said gas supply unit is prevented from flowing through said shut-off valve; a filter being in fluid communication with said shut-off valve such that gas is able to flow from said shut-off valve through said filter, and for being in fluid communication with a first instrument channel of an endoscope which is in fluid communication with a body cavity such that fluid can flow between said body cavity and said filter through said first instrument channel; a pump having a suction end, said suction end being in fluid communication with said filter for withdrawing said gas within said body cavity through said first instrument channel and said filter, said pump having a delivery side for expelling said withdrawn gas; a sterile filter being in fluid communication with said delivery side of said pump for receiving and filtering said withdrawn gas and for being in fluid communication with a second instrument channel of said endoscope which is in fluid communication with said body cavity such that said filtered gas flows into said body cavity through said second instrument channel; a pressure sensor being in fluid communication with said suction end of said pump for sensing a pressure of said gas at said suction end of said pump which corresponds to a pressure of said gas within said small body cavity; control means for moving said shut-off valve between said first and second positions and for preventing said pump from being actuated in response to said sensed pressure, said control means comparing said sensed pressure to a predetermined pressure, said control means positioning said shut-off valve in said first position and preventing said pump from being actuated when said sensed pressure is less than said predetermined pressure for insufflating said small body cavity and said control means positioning said shut-off valve in said second position and permitting actuation of said pump when said sensed pressure is greater than or equal to said predetermined pressure for recycling said gas within said small body cavity.

이 특허를 인용한 특허 (71)

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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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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Unit for insufflating and cleaning gas 원문보기

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Unit for insufflating and cleaning gas 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (71)

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