[특허]Method and apparatus for the reuse of anesthetic gases in inhalation anesthesia with specific size and position of CO<SU

Method and apparatus for the reuse of anesthetic gases in inhalation anesthesia with specific size and position of CO 원문보기

IPC분류정보

국가/구분 United States(US) Patent 등록

국제특허분류(IPC7판)

A62B-007/10

A62B-023/02

출원번호 US-0263953 (1994-06-22)

우선권정보 SE-0015819 (1990-05-03)

발명자 / 주소

Psaros George (Tullinge SEX) Olsson Sven-Gunnar (Arloev SEX)

출원인 / 주소

Siemens Aktiengesellschaft (Munich DEX 03)

인용정보 피인용 횟수 : 43 인용 특허 : 0

초록 ▼

A method and apparatus for the re-use of anesthetic gases which are not absorbed by a patient, in inhalation anesthesia make use of an adsorption filter during exhalation, the unused anesthetic gases being subsequently desorbed from the adsorption filter during inhalation, and being reintroduced int

A method and apparatus for the re-use of anesthetic gases which are not absorbed by a patient, in inhalation anesthesia make use of an adsorption filter during exhalation, the unused anesthetic gases being subsequently desorbed from the adsorption filter during inhalation, and being reintroduced into the respiration flow to the patient. The exhaled gas is supplied through an absorber for carbon dioxide before it is re-supplied to the patient. The apparatus includes a common line for the delivery and discharge of anesthesia and respiration gases to and from a patient. An adsorption filter for adsorption and desorption of anesthetic gases is arranged in this line. To prevent the carbon dioxide from the exhalation gas of the patient, which is adsorbed in the adsorption material, from being re-supplied to the patient in the next inhalation phase, the common line between the patient and the adsorption filter is at least partially divided into an inhalation branch and an exhalation branch, with an absorber for carbon dioxide disposed in the inhalation branch, sized to match the small amount of carbon dioxide left in the reintroduced gas.

대표청구항 ▼

A method for re-using anesthetic gases in inhalation anesthesia comprising the steps of: ventilating a patient with an anesthetic gas and respiration gas, the patient, in an exhalation phase having an exhalation resistance associated therewith, thereby producing exhaled gas containing anesthetic gas

A method for re-using anesthetic gases in inhalation anesthesia comprising the steps of: ventilating a patient with an anesthetic gas and respiration gas, the patient, in an exhalation phase having an exhalation resistance associated therewith, thereby producing exhaled gas containing anesthetic gas which was not absorbed by said patient and carbon dioxide, and a remainder of exhaled gas; directing the exhaled gas through an adsorption filter for adsorbing said anesthetic gas which was not absorbed by the patient during respiration and thereby simultaneously unavoidably adsorbing a small amount of said carbon dioxide; passing said remainder of exhaled gas through said adsorption filter and evacuating said remainder of exhaled gas; in a subsequent inhalation phase, directing fresh respiration gas through said adsorption filter so that the anesthetic gas and said small amount of carbon dioxide previously adsorbed by said adsorption filter are desorbed into said fresh respiration gas; minimizing said exhalation resistance by matching a carbon dioxide absorption capacity of a carbon dioxide absorber to said small amount of carbon dioxide so that said carbon dioxide absorber absorbs no more than said small amount of carbon dioxide any by positioning said carbon dioxide absorber in an inhalation line, separate from said exhalation line, between said adsorption filter and said patient; directing the fresh respiration gas which has passed through the adsorption filter through said inhalation line so that said carbon dioxide absorber absorbs said small amount of carbon dioxide without significant breathing resistance to said patient; additionally directing at least one of fresh respiration gas and fresh anesthetic gas through a line bypassing said adsorption filter and said carbon dioxide absorber; combining the additionally directed fresh gas with the fresh respiration gas which has passed through said adsorption filter and said carbon dioxide absorber in a desired gas concentration to form a mixture and supplying said mixture to said patient.

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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

연합인증

Method and apparatus for the reuse of anesthetic gases in inhalation anesthesia with specific size and position of CO 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (43)

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선택된 텍스트

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A62B-007/10 A62B-023/02
출원번호	US-0263953 (1994-06-22)
우선권정보	SE-0015819 (1990-05-03)
발명자 / 주소	Psaros George (Tullinge SEX) Olsson Sven-Gunnar (Arloev SEX)
출원인 / 주소	Siemens Aktiengesellschaft (Munich DEX 03)
인용정보	피인용 횟수 : 43 인용 특허 : 0

내보내기 구분	파일저장 인쇄 메일전송
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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

Method and apparatus for the reuse of anesthetic gases in inhalation anesthesia with specific size and position of CO 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허를 인용한 특허 (43)

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