Adaptor for connecting tubes to an animal

Details Adaptor for connecting tubes to an animal Adaptor for connecting tubes to an animal

1995-06-15

1997-08-19

Hafer, Robert A.

Surgery

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

Treating material introduced into or removed from body...

604280, 604174, A61M 2500

Patent

active

056582650

ABSTRACT:
Coaxial infusion pipes are disposed in a fixed shaft body and the ends of the pipes pass into a rotary shaft body. The fixed shaft body and the rotary shaft body are rotatably joined by bearings. Packings are provided inside the rotary shaft body in correspondence with the pipes. Only lip portions of the packings are in sliding contact with the pipes. The sliding resistance between the infusion pipes and the packings as seal members is low, and the rotary shaft body can rotate extremely lightly and with high precision.

REFERENCES:
patent: 4254773 (1981-03-01), Waldbillig
patent: 5167647 (1992-12-01), Wijkamp et al.
patent: 5171216 (1992-12-01), Dasse et al.

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