[특허]Device for delivering a pharmacologically active principle by electrolytic pumping

Device for delivering a pharmacologically active principle by electrolytic pumping 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-037/00
출원번호	US-0659409 (1991-03-11)
우선권정보	FR-0009391 (1989-07-12)
국제출원번호	PCT/FR90/00526 (1990-07-12)
§371/§102 date	19910311 (19910311)
국제공개번호	WO-9100753 (1991-01-24)
발명자 / 주소	Tafani Jean-Pierre (Paris FRX) Valter Francis (Chatenay Malabry FRX) Zeghal Slim (Paris FRX) Alexandre Jean (Paris FRX)
출원인 / 주소	Apcis (Reims FRX 03)
인용정보	피인용 횟수 : 66 인용 특허 : 0

초록 ▼

The device includes an electrolysis cell (C) comprising: a closed variable volume first chamber (2) containing an electrolyte that gives off gas under the effect of an electrolysis voltage applied to electrodes (3, 4) in contact with the electrolyte, the gas given off causing the first chamber to expand; and a variable volume second chamber (7) containing the active principle, said second chamber opening out to the outside via an orifice (11) enabling the active principle to be delivered; the total volume of the two chambers (2, 7) being constant, such that expansion of the first chamber causes the volume of the second chamber to be reduced and gives rise to a corresponding controlled expulsion of the active principle contained therein. According to the invention, the two chambers (2, 7) are separated from each other by a flexible wall (6) uniformly subjected to the pressure resulting from gas being given off in such a manner as to reduce the volume of the second chamber (7) and expel the active principle; and the first chamber (2) contains a liquid electrolyte in which the electrodes (3, 4) that extend over the major portion of the length of said first chamber are immersed so that the electrodes are always at least in part in contact with the electrolyte regardless of the position of the device.

대표청구항 ▼

A device for delivering a pharmacologically active principle by electrolytic pumping, the device including an electrolysis cell (C) comprising: a closed variable volume first chamber (2) containing a liquid electrolyte that gives off gas under the effect of an electrolysis voltage applied to a pair of electrodes (3, 4) in contact with the electrolyte, the gas given off causing the first chamber to expand; and a variable volume second chamber (7), said second chamber opening out to the outside of said second chamber via an orifice (11) enabling the active principle to be delivered; the total volume of the two chambers (2, 7) being constant, such that expansion of the first chamber causes the volume of the second chamber to be reduced and gives rise to a corresponding controlled expulsion of the active principle contained therein; the two chambers (2, 7) are separated from each other by a flexible wall (6) uniformly subjected to the pressure resulting from the gas being given off in such a manner as to reduce the volume of the second chamber (7) and expel the active principle; and the first chamber (2) contains the liquid electrolyte in which the pair of electrodes (3, 4) that extend over a major portion of the length of said first chamber are immersed in said liquid electrolyte so that the pair of electrodes are always at least in part in contact with the liquid electrolyte regardless of the position of the device.

이 특허를 인용한 특허 (66)

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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

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연합인증

Device for delivering a pharmacologically active principle by electrolytic pumping 원문보기

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Device for delivering a pharmacologically active principle by electrolytic pumping 원문보기

초록 ▼

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연구과제 타임라인

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이 특허를 인용한 특허 (66)

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