Dry disposable nozzle assembly for medical jet injector
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United States of America Patent
Stats
-
Nov 5, 1991
Grant Date -
N/A
app pub date -
Apr 4, 1990
filing date -
Apr 4, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dry, disposable, low-cost nozzle assembly for a spring-powered medical injector power unit comprises a generally cylindrical molded plastic nozzle body which is removably attached to a medical injector module and it includes a longitudinal bore of a predetermined diameter and terminating in a conical segment short of the end surface thereof. A counterbore of a fine diameter is then formed between the apex and the end of the nozzle member, forming the ejector orifice. A seal member fits within the bore of the nozzle body and releasably attaches to the power unit's plunger. The seal member includes a conical tip dimensioned to fit with close tolerance in the conical segment of the body portion of the nozzle.
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Cited Art Landscape
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