Dilatation catheter and constant pressure syringe and method of

Details Dilatation catheter and constant pressure syringe and method of Dilatation catheter and constant pressure syringe and method of

1986-06-05

1990-12-11

Thaler, Michael H.

Surgery

Instruments

Internal pressure applicator

606194, 604 97, 604 98, A61M 2902

Patent

active

049767259

ABSTRACT:
In a dilatation catheter and constant pressure syringe, a pressurized compressible medium is used to maintain pressure on a non-compressible medium. Pressure is applied to a compressible medium in a first chamber, in turn applying pressure to a non-compressible medium in a second chamber. The use of appropriate quantities of each medium produces a nearly constant pressure as the incompressible medium is ejected from the syringe.

REFERENCES:
patent: 705251 (1902-07-01), King et al.
patent: 1541615 (1925-06-01), Bessesen
patent: 3409016 (1968-11-01), Foley
patent: 4526175 (1985-07-01), Chin et al.
patent: 4655749 (1987-04-01), Fischione

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