Urinary catheter
First Claim
1. A urinary catheter to be extended through the urethra of a paitent for receipt within the bladder, said catheter comprising a urine passage extending longitudinally therethrough for removing urine from the bladder, means for retaining said catheter within the bladder, and first valve means communicating with said urine passage for controlling the flow of urine therethrough, said first valve means including an inflatable balloon surrounding said urine passage such that an inflation of said balloon occludes said urine passage and prevents the flow of urine therethrough.
1 Assignment
0 Petitions
Accused Products
Abstract
An improved urinary catheter having a unique, low volume device by which to retain the catheter within the bladder, so that urine can be removed therefrom. The retaining device consumes less volume in the bladder than that which would ordinarily be consumed by a conventional Foley-style balloon, whereby both the frequency and severity of urinary bladder spasms, which are induced by pressure against the trigonal area of the bladder, can be reduced. What is more, the retaining device is advantageously adapted to provide little resistance, and thereby minimize any damage to the urinary tract, in the event that a patient should suddenly and forceably attempt to remove the catheter from his bladder.
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Citations
20 Claims
- 1. A urinary catheter to be extended through the urethra of a paitent for receipt within the bladder, said catheter comprising a urine passage extending longitudinally therethrough for removing urine from the bladder, means for retaining said catheter within the bladder, and first valve means communicating with said urine passage for controlling the flow of urine therethrough, said first valve means including an inflatable balloon surrounding said urine passage such that an inflation of said balloon occludes said urine passage and prevents the flow of urine therethrough.
- 13. A urinary catheter to be extended through the urethra of a patient for receipt within the bladder, said catheter including a urine passage extending longitudinally therethrough for removing urine from the bladder, means for retaining said catheter within the bladder, and inflation means communicating with said retaining means, said retaining means comprising an inflatable body which is detachably connected to said catheter at a surface of said body so as to be inflated, while in situ, by said inflation means, such that a withdrawal of said catheter from the bladder separates said inflatable body from said catheter at the surface of said body, whereby to automatically deflate said inflatable body through said separation.
Specification