Urinary catheter with collapsible urethral tube

Details Urinary catheter with collapsible urethral tube Urinary catheter with collapsible urethral tube

1983-12-16

1986-02-18

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604247, 604282, A61M 2500

Patent

active

045712417

ABSTRACT:
An indwelling urinary catheter having a rigid tubular portion for holding open the entrance of the bladder and a collapsible tubular portion extending through the urethra. The collapsible tube is closed by the normal urethral mechanism and opened upon the flow of urine, thus blocking bacterial migration into the body and avoiding abnormal, continuous distention of the urethra and consequent discomfort to the patient. Avoided, as well, is the transmission of infection occasioned by the sliding motion of rigid tube catheters within the urethra.

REFERENCES:
patent: 3344791 (1967-10-01), Foderick
patent: 3394705 (1968-07-01), Abramson
patent: 3428046 (1969-02-01), Remer et al.
patent: 3598126 (1971-08-01), Hoeltzenbein
patent: 3605749 (1971-09-01), Heimlich
patent: 3670732 (1972-06-01), Robinson
patent: 3769981 (1973-11-01), McWhorter
patent: 3848603 (1974-11-01), Throner
patent: 4349029 (1982-09-01), Mott

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