Syringe and process for dispensing treatment fluid

Details Syringe and process for dispensing treatment fluid Syringe and process for dispensing treatment fluid

1997-03-25

1998-12-01

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604275, A61M 500

Patent

active

058430431

ABSTRACT:
A syringe that includes a barrel with a removable, tapered nozzle having a rounded front end to facilitate its entering a body cavity without the necessity of puncturing the skin. The nozzle has side openings through which the treatment fluid can be expelled against the wall defining the body cavity. The syringe also has a plunger slidably movable in the barrel and provided with a front end shaped to substantially fill the nozzle so that, when the plunger is pushed fully forward, it will displace a selected amount of the treatment fluid safely through the side openings onto an adjacent wall surface of a body cavity. The nozzle is removably attached to the barrel so that it can be removed to place the selected amount of a treatment fluid in a chamber bounded by the barrel, the nozzle, and the front end of the plunger.

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patent: 4968306 (1990-11-01), Huss et al.
patent: 5310091 (1994-05-01), Dunning et al.
patent: 5609581 (1997-03-01), Fletcher et al.

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