Universal intravenous connector with dual catches

Details Universal intravenous connector with dual catches Universal intravenous connector with dual catches

1990-04-17

1992-08-11

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604414, 604905, A61M 2500

Patent

active

051375249

ABSTRACT:
An universal medical connector for manually connecting a first fluid conveying conduit in fluid connection with a patient's vasculature and having a junction terminal with a septum at an end thereof to a second fluid conduit for administration of fluid to a patient. The connector is formed of two elements. The first element defines an integral needle hub, to which a needle is mounted, a base extending from the hub, and fingers extending from the base. The second locking element includes a collar with a support and bars extending therefrom so as to be manually slidable along the first element in the direction the needle extends between a retracted and a locking position in which the connector locks onto a junction terminal and the septum penetrated by the needle. The fingers flex at a flexing line or joint or in a flexure region covered by the bars in the retracted position. Detents are provided on the base and on a detent carrier formed by slots extending into the collar. The bars engage cams on the exterior surface of the fingers to flex the fingers. Inner and outer catches are provided on the interior surface of each finger for respectively engaging larger and smaller junction terminals. The catches are configured so that the disengaging force is substantially independent of septum size.

REFERENCES:
patent: 4405163 (1983-09-01), Voges et al.
patent: 4675020 (1987-06-01), McPhee
patent: 4759756 (1988-07-01), Forman et al.
patent: 4768568 (1988-09-01), Fournier et al.
patent: 4820288 (1989-04-01), Isono
patent: 4895570 (1990-01-01), Larkin
patent: 4963133 (1990-10-01), Whipple

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