Syringe serving also as an ampule and associated equipment
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United States of America Patent
Stats
-
Nov 20, 2001
Grant Date -
N/A
app pub date -
Mar 4, 1998
filing date -
Sep 8, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A syringe serves also as an ampule and saves labor in transferring contained liquid from an ampule container to a syringe and is not bulky when disposing it. The syringe has a piston integrally molded in a bellows-like cylindrical portion sealingly containing liquid medicine. Pleated reinforcing portions are longitudinally provided at several positions on the bellows portion. Furthermore, retainers are provided to retain a contracted state of the bellows-like cylindrical portion. The piston has a depression formed in a rear portion thereof for pressing by a finger. A needle portion is fitted into the leading end of a cylindrical barrel portion of the bellows. A projection is provided inside the needle portion so as to break a seal sealing liquid medicine and the leading end of the barrel portion of the syringe may be threadingly fitted to a three-way cock for drip infusion.
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