Continuous injector of liquid medicine
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United States of America Patent
Stats
-
Mar 12, 1991
Grant Date -
N/A
app pub date -
Jun 30, 1989
filing date -
May 22, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A continuous liquid medicine injector has a cylindrical body. A liquid medicine receiving portion is provided at one end of the cylindrical portion, and an instrument inserted into a human body which may be a needle is provided at the other end thereof. Two ends of a tubular rubber-like elastic film are fixed to an intermediate portion of the cylindrical body. A liquid medicine flow into the elastic film through a through-hole formed in the cylindrical body to inflate the elastic film, and the elastic film which has been inflated forms a pressurizing means of the liquid medicine. A thin tube having a predetermined inner diameter and a predetermined length is disposed within the cylindrical body. One end of the thin tube is made to communicate with the instrument inserted into the human body.
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