Clinically usable pump apparatus for a dilatation device

Details Clinically usable pump apparatus for a dilatation device Clinically usable pump apparatus for a dilatation device

1977-11-21

1980-11-04

Freeh, William L.

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

417 63, 128218A, 417403, F05B 4908, F04B 4900, F04B 2100

Patent

active

042317150

ABSTRACT:
A clinically usable pump apparatus for a dilatation device comprising a dilatation catheter, preferably for opening a stenosis and occlusions or for closing vessels, ducts and openings, while using a pumpable medium, which comprises a pump structured to accomplish the double function of producing positive pressure and negative pressure and operatively connected with the dilatation catheter.

REFERENCES:
patent: 2135148 (1938-11-01), Roy
patent: 2786468 (1957-03-01), Singer et al.
patent: 3266487 (1966-08-01), Watkins et al.
patent: 3313291 (1967-04-01), Marshall
patent: 3331538 (1967-07-01), Higgins
patent: 3425416 (1969-02-01), Loughry
patent: 3426744 (1969-02-01), Ball
patent: 3515130 (1970-06-01), Tsujino
patent: 3605745 (1971-09-01), Hodosh
patent: 3612722 (1971-10-01), Weward
patent: 3712290 (1973-01-01), Irnish et al.
patent: 3799406 (1974-03-01), St. John et al.
patent: 4104008 (1978-08-01), Hoffmann

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