Safety device for use with a cannula

Details Safety device for use with a cannula Safety device for use with a cannula

1979-07-11

1981-11-10

Garris, Bradley

Surgery

Truss

Pad

128214R, 128772, A61M 2500

Patent

active

042992281

ABSTRACT:
A safety device for leading a cannula through a subcutaneous tunnel is made in two parts moulded from synthetic material and releasably screw threaded together for receiving between them a cannula head member and holding the head member securely without crushing. The front part has a rear projection for closing the head member against entry of air and has a long, tapering forward projection for drawing the device and cannula held thereby through a subcutaneous passage. Instead of the forward projection a rod, flexible tongue or piece of thread may be provided.

REFERENCES:
patent: 2649092 (1953-08-01), Wallace
patent: 3119392 (1964-01-01), Zeiss
patent: 3854477 (1974-12-01), Smith
patent: 3924633 (1975-12-01), Cook et al.
patent: 4085757 (1978-04-01), Pevsner

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