CA1106718A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Indwelling catheter
Assignee: Individual
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Filing: 1978-05-16
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Granted: 1981-08-11
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Expires: 1998-05-16
Abstract
Abstract ABSTRACT OF THE DISCLOSURE An indwelling catherer has a flexible tubular member with a main lumen for urine discharge, one end of the main lumen being closed. An aperture is provided adjacent the closed end of the main lumen to communicate same with the exterior of the tubular member. A balloon is disposed at the aperture. The balloon is inflatable by an auxiliary lumen. The periphery of the tubular member is provided with a layer of oligodynamically active metal producing metal ions upon contact with the urine, to thus reduce the danger of urinary tract infections.
Inventors
- 👤 Hiroshi Akiyama
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-23 13:48
CPC Classifications
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Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
87 words
An indwelling catheter comprising a flexible tubu-lar member having a main lumen for urine discharge, one end of the main lumen being closed, the tubular member having an aperture adjacent said one end to allow communication between the main lumen and the exterior of the tubular, member, and a balloon provided adjacent the aperture, an auxiliary lumen connected to the main lumen for inflating the balloon, an oligodynamically active metal deposited on the periphery of the tubular member for producing metal ions upon contact with the urine.
Claim 2
Dependent Claim
87 words
An indwelling catheter comprising a flexible tubu-lar member having a main lumen for urine discharge, one end of the main lumen being closed, the tubular member having an aperture adjacent said one end to allow communication between the main lumen and the exterior of the tubular, member, and a balloon provided adjacent the aperture, an auxiliary lumen connected to the main lumen for inflating the balloon, an oligodynamically active metal deposited on the periphery of the tubular member for producing metal ions upon contact with the urine.
Claim 3
Dependent Claim
27 words
An indwelling catheter as defined in claim 1 where-in said oligodynamically active metal is one selected from the group consisting of silver, gold, copper and their alloys.
Claim 4
Dependent Claim
31 words
An indwelling catheter as defined in claim 1 where-in said tubular member is coated with less than 300 mesh particles of an oligodynamically active metal at spaced inter-vals along its length.
Claim 5
Dependent Claim
29 words
An indwelling catheter as defined in claim 1 where-in one end of the main lumen is closed by a cap made of or plated with an oligodynamically active metal.
Claim 6
Dependent Claim
52 words
An indwelling catheter as defined in claim 1 where-in the main lumen is connected to a urine collecting bag by means of a connector fitted between the other end of the main lumen and a drainage tube leading to the bag, said connector being plated or coated with an oligodynamically active metal.
References Cited (Backward Citations)
No citation records indexed.
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