Pressure relieving medical device, its preparation and use
CA 1213487 A · Owner: Smith And Nephew Associated Companies P.L.C. · Inventors: Buchan, Ian A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device suitable for the prophylaxis of pressure sores which device comprises a gel retained within a flexible elastomeric envelope which envelope has a body contacting surface which is a film having a moisture vapour transmission rate of greater than 300g/m2/24hr-1 at 37°C at 100% to 10% relative humidity difference characterised in that the device is 5 to 25mm thick and may be worn on the body and the gel is a mobile moisture absorbing hydrophilic gel is described.
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
- Granted November 4, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 4, 2003.
- 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.