Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1997-08-22
1999-09-07
Coggins, Wynn Wood
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604187, 604131, 604151, A61M 100
Patent
active
059479299
ABSTRACT:
An angiographic syringe and plunger therefor, having utility in a power-driven angiographic syringe injector apparatus comprising an axially extending drive shaft and a frustoconical-shaped driving head attached to the shaft. The plunger is constructed to engage the driving head, with a circumferentially extended array of circumferentially spaced-apart flexible resilient engagement members which compressively bear on the side and rear surfaces of the frustoconical driving head. The flexible resilient engagement members are radially inwardly offset from the edge of the plunger, to avoid contact with inner surfaces of the syringe barrel contamination of the interior volume of the syringe. The syringe is mounted on the injector apparatus by a face plate adapter assembly serving to position the flexible resilient engagement members for coupling to the driving head. Plunger and driving head elements are described which are interactive with a face plate adapter assembly to engage and disengage the plunger and driving head in relation to one another.
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Barrett William A.
Coeur Laboratories, Inc.
Coggins Wynn Wood
Gring N. Kent
Hultquist Steven J.
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