Surgical preparation solution applicator

Details Surgical preparation solution applicator Surgical preparation solution applicator

1994-10-31

1996-02-06

Green, Randall L.

Surgery

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

Treating material applied to or removed from external...

604289, 604315, 15322, A61M 3500

Patent

active

054892805

ABSTRACT:
A fluid applicator 10 used to prepare a surgical site on a patient's skin is disclosed, which irrigates a surgical site and simultaneously collects excess irrigation fluids from the surgical site and returns the collected fluids to a fluid reservoir. Applicator 10 includes a disposable fluid reservoir 10 and a reusable motor assembly 50. Fluid reservoir 20 includes a sponge 48. Motor assembly 50 includes a motor 70 and a reciprocating diaphragm 80. Motor assembly 50 is connected to the open end of fluid reservoir 20 to enclose and seal a quantity of prep solution inside the fluid reservoir. Motor 70 reciprocates diaphragm 80 back and forth within fluid reservoir 20. The forward stroke of diaphragm 80 causes a positive pressure inside fluid reservoir 20, which displaces the irrigation fluid through a one way valve 30 and a spray nozzle 34 onto the surgical site. Excess irrigation fluid is absorbed by sponge 48 as applicator 10 is moved over the surgical site. The rearward stroke of diaphragm 80 causes a negative pressure inside fluid reservoir 20, which draws the irrigation fluid collected within sponge 48 into a manifold chamber 41 and returns the collected irrigation fluid to fluid reservoir 20 through a second one way valve 32.

REFERENCES:
patent: Re28405 (1975-05-01), Sollerud
patent: 3331090 (1967-07-01), Reiber et al.
patent: 3538535 (1970-11-01), Ginsburgh et al.
patent: 3783473 (1974-01-01), Engguist
patent: 5301387 (1994-04-01), Thomas et al.
patent: 5336170 (1994-08-01), Selerno et al.
patent: 5428863 (1995-07-01), Tchcsecu et al.

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