Aspirator/injector device with palm engaging handle

Details Aspirator/injector device with palm engaging handle Aspirator/injector device with palm engaging handle

1995-01-30

1996-03-12

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604118, A61M 5315

Patent

active

054982464

ABSTRACT:
A medical device which is manually operable to draw a vacuum using a piston and cylinder combination may be used for creating a vacuum in the cup of a birth extraction device or to withdraw fluids from a body cavity or perform biopsies with a hollow needle. The structure includes a closed loop at the remote end of the cylinder which allows the device to be manipulated by one hand and it may include check valves to prevent any fluid withdrawn from the body from being reinjected into the body cavity or vessel by location of check valves in a withdrawal duct and a drainage port. The same device may be used for injecting fluids into a body cavity and may include structure between the loop and cylinder to apply force to the piston to discharge fluids through a needle attached to the remote end of the cylinder.

REFERENCES:
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patent: 3202152 (1965-08-01), Wood et al.
patent: 3592198 (1971-07-01), Evans
patent: 3765408 (1973-10-01), Kawai
patent: 3794044 (1974-02-01), Vennard et al.
patent: 3819091 (1974-06-01), Hollender
patent: 3957051 (1976-05-01), Topham
patent: 3957052 (1976-05-01), Topham
patent: 4730617 (1988-03-01), King
patent: 4997420 (1991-03-01), LeFevre
patent: 5011381 (1991-04-01), Neward
patent: 5019086 (1991-05-01), Neward

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