Urological evacuator

Details Urological evacuator Urological evacuator

1992-06-19

1994-08-16

Lewis, Ralph

Surgery

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

Material introduced into and removed from body through...

604190, 604236, 604237, A61M 500

Patent

active

053382943

ABSTRACT:
An evacuator particularly suited for irrigation and removal of tissue from a body cavity such as the bladder. The evacuator includes a positive displacement syringe with a hollow plunger for pumping a sterile solution into the bladder for irrigation and for withdrawing the solution and entrained tissue from the bladder and urethra. Internal valving controls the order of flow within the evacuator so that, as the solution circulates through the evacuator, tissue is filtered from the solution and captured in a collection container.

REFERENCES:
patent: 1265537 (1918-05-01), Shull
patent: 1348412 (1920-08-01), Harriman
patent: 2263865 (1941-11-01), Bailen
patent: 3747812 (1973-07-01), Karman et al.
patent: 3938513 (1976-02-01), Hargest
patent: 4066079 (1978-01-01), Chiarolla
patent: 4210173 (1980-07-01), Choksi et al.
patent: 4332249 (1982-06-01), Joslin
patent: 4801292 (1989-01-01), Watson
patent: 4820276 (1989-04-01), Moreno

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