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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0417230 (1982-09-13) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 52 인용 특허 : 0 |
An internally powered pump is surgically implanted to eject liquid under control of the experimenter. The pump reservoir is flexible and contains the liquid to be ejected. The reservoir is collapsed by a piston which is pushed by a compressed spring. The spring is released, step-by-step, by a pawl a
A surgically implantable pump to eject liquid into a subject in which the pump is implanted, comprising a case means to enclose the pump, an orifice means through the case means by which liquid may be ejected from within the case means, a flexible reservoir means within the case means to hold the li
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