Product and method to treat female incontinence
CA 2136318 A1 · Owner: Kalb, Irvin M. · Inventors: Kalb, Irvin M.; Shaw, Robert H.; Ram, Michael J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for controlling drainage of the female bladder comprising a valved catheter (10), a stylet for placing the catheter in the female urethra (30), and a spike (60) for opening the valve (24) in the catheter to allow voiding of the contents of the bladder. The system also includes a sizing device (50) for determining the length of the urethra so that the proper fitting catheter is used. The catheter (10) comprises a hollow shaft (12) with an extendable sealing portion (18) on one end for placement through the urethra and a crown (18) on the other end for placement external of the body. The valve (24, 90) may be integral with the shaft or insertable after the catheter is placed in the …
Read the whole patent
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 May 26, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 26, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 26, 2015.
- 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.