Site-selective reinforced catheter and methods of manufacturing and using the reinforced catheter
CA 2062000 A1 · Owner: C.R. Bard, Inc. · Inventors: Moorehead, H. Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to novel methods and apparatus for a reinforced catheter which can be employed to withstand the damaging stresses experienced by catheters implanted in bodily tissues, particularly catheters implanted in the compressed area between the clavicle and first rib of a patient. The reinforced catheter is made from a nonmetallic inner tubular sleeve comprised wholly of a compliant material that is inserted selectively within a catheter. The reinforced catheter can be manufactured by immersing a portion of a catheter in freon which causes the immersed portion to swell. Thereafter, a reinforcing sleeve having, an outer diameter greater than the inner diameter of the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed February 27, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 27, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 27, 2014.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.