Differential pressure device for accelerated catheter flashback

Details Differential pressure device for accelerated catheter flashback Differential pressure device for accelerated catheter flashback

1982-11-17

1984-08-07

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

164900, 128765, 251 9, A61M 500

Patent

active

044641770

ABSTRACT:
A pair of compressible, hinged opposing arms enclose a bladder chamber, which in turn is coupled to the catheter. As the arms are compressed together, successive pivot fulcra close, in turn first pinching and closing, and then opening the bladder to create negative differential pressure against the catheter, and promoting flashback.

REFERENCES:
patent: 3459183 (1969-08-01), Ring et al.
patent: 4020836 (1977-05-01), Cunningham
patent: 4108175 (1978-08-01), Orton
patent: 4265425 (1981-05-01), Morin
patent: 4328834 (1982-05-01), Oates, Sr. et al.
patent: 4365630 (1982-12-01), McFarlane

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