Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1996-12-23
1998-10-06
DeMille, Danton D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604164, 604195, 604198, A61M 5178, A61M 550
Patent
active
058170588
ABSTRACT:
A retractable catheter introducer structure includes a stepped housing and a retractable needle holder. The head of the needle holder is held in a first embodiment by means of a plunger tube having a landed front opening and in a second embodiment wherein the head of the needle holder is possessed of a surrounding ring member which can be pressed upon and released by the open mouth of an elongated tube. A catheter needle extends from the front of the housing to which a catheter assembly is removably attached. Both embodiments provide one handed operation. Retraction is triggered by pulling on the housing with the plunger tube backed against the palm of the hand to release the needle holder. Until the introducer structure is separated, the catheter assembly remains attached to the housing after retraction is triggered giving the operator greater control by reducing uncontrolled fluid egress.
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DeMille Danton D.
Yeh Luke
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