Portable analgesic system
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United States of America Patent
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Dec 16, 1997
Grant Date -
N/A
app pub date -
Mar 27, 1995
filing date -
Apr 11, 1994
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A portable analgesic system comprises: a continuous injector (1) for liquid medicine which discharges liquid medicine continuously for a given period of time; a switch valve (2) connected to an outlet of the injector for shutting off discharge of liquid medicine from the injector (1); a three-way connector (3) to an outlet of the switch valve (2) and having three ways; a flexible reservoir (4) connected to one way of the three-way connector for storing liquid medicine; and a pressure-check valve (5) connected to another way of the three-way connector for opening a flow passage only when a pressure of liquid medicine in the reservoir rises over a given value.
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