Fluid drainage needle method of use

Details Fluid drainage needle method of use Fluid drainage needle method of use

1989-11-15

1991-05-28

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604164, A61M 3100

Patent

active

050190393

ABSTRACT:
A method for draining fluid from between inner and outer body wall linings includes the initial step of providing a fluid drainage needle. The needle, with the cannula portion removably fit on the needle portion, is inserted into the body and through the outer body wall. The insertion is stopped when a flash of fluid from between the inner and outer body wall linings is viewed in the hub of the needle portion. The next step is to slide the cannula portion along the needle portion and into the space between the inner and outer wall linings until the sheath aperture is within the fluid. The needle portion is then removed from the cannula portion and the fluid may be drained through the cannula portion as desired.

REFERENCES:
patent: 3680562 (1972-08-01), Wittes et al.
patent: 3860006 (1975-01-01), Patel
patent: 4016879 (1977-04-01), Mellor
patent: 4308875 (1982-01-01), Young
patent: 4388076 (1983-06-01), Waters
patent: 4722725 (1988-02-01), Sawyer et al.
patent: 4810244 (1989-03-01), Allen
Perfektum Catalog, p. 34B, (undated).

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