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특허 상세정보

Portable ventilator apparatus

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61M-016/16    A61M-016/10   
미국특허분류(USC) 128/20518 ; 128/20511 ; 128/20524 ; 128/20312
출원번호 US-0197198 (1988-05-23)
발명자 / 주소
인용정보 피인용 횟수 : 80  인용 특허 : 5
초록

Ventilator apparatus comprises a cyclically-operated reciprocating pump, a delivery tube for delivering pressurized air to a patient, an exhalation valve assembly producing breathing cycles in which the delivery tube is first connected to the patient to effect inhalation and then is vented to the atmosphere to permit exhalation, and a control valve operated by the pump for controlling the breathing cycles of the exhalation valve. The pump has a low volume-displacement and operates at a relatively high cyclical speed, thereby enabling the apparatus to be ...

대표
청구항

Ventilator apparatus comprising: a reciprocating pump including a negative-pressure chamber having an inlet for drawing air into the chamber, and a positive-pressure chamber having an outlet for outletting pressurized air; delivery means for delivering pressurized air to a patient; an exhalation valve assembly producing breathing cycles in which the delivery means is first connected to the patient to effect inhalation, and then is vented to the atmosphere to permit exhalation; control means for operating said pump at a speed to effect at least two cycles...

이 특허를 인용한 특허 피인용횟수: 80

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