Catheter

Details Catheter Catheter

1981-03-05

1983-01-25

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

A61M 2500

Patent

active

043697909

ABSTRACT:
A catheter includes an elongated tubular member having a closed distal end, an open proximal end and a maximum outer diameter of 2 mm; exactly two longitudinally extending slits of unequal lengths in the tubular member adjacent the distal end thereof, which form two distortable strands; a flexible wire secured to the distal end and extending inside the tubular member towards the proximal end thereof for retracting the distal end with respect to the proximal end; and an obturator secured to the free end of the wire for actuating the wire to retract the distal end with respect to the proximal end so as to outwardly bias the two distortable portions to anchor the distal end in the bladder of a patient, and for providing a fluid impervious seal to the open proximal end when the distal end is in its unretracted position with respect to the proximal end.

REFERENCES:
patent: 1207479 (1916-12-01), Bisgaard
patent: 2230226 (1941-02-01), Auzin
patent: 2574840 (1951-11-01), Pieri et al.
patent: 2649092 (1953-08-01), Wallace
patent: 3397699 (1968-08-01), Kohl
patent: 3692029 (1972-09-01), Adair
patent: 3799172 (1974-03-01), Szpur
patent: 3924633 (1975-12-01), Cook et al.

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