Cannula assembly

Details Cannula assembly Cannula assembly

1976-01-22

1977-12-20

Truluck, Dalton L.

Surgery

Respiratory method or device

Ozone or ion generation

128274, 137604, 137583, A61M 514

Patent

active

040635554

ABSTRACT:
A cannula is provided for administration of a fluid from two separate sources of supply, such as from an infusion fluid container and an injection syringe, comprising, in combination, a housing, a fluid flow passage therethrough having two fluid inlets and one fluid outlet, one of the fluid inlets being shaped to receive delivery means of an injection device for delivery of fluid to the cannula fluid flow passage, and having a check valve therein compelling flow therethrough only in the inward direction, and means in the one inlet positioned to accept any impact of the delivery means when inserted in the one inlet, and inhibit impact injury to the check valve upon such insertion.

REFERENCES:
patent: 2551315 (1951-05-01), Christopher et al.
patent: 3416567 (1968-12-01), Dardel et al.
patent: 3730186 (1973-05-01), Edmunds et al.

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