Water impermeable, water vapor permeable orthopedic cast
US5016622A · kind A · utility
Inventor
Key dates
| Filing date | Apr 4, 1990 |
| Grant date | May 21, 1991 |
| Priority date | — |
| Expiry date | Apr 4, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/041
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An immobilizing orthopedic cast is provided made of an inner liquid water-impermeable, water vapor-permeable protective sleeve next to the skin, a resilient padding layer, and a plaster or resin/glass fiber outer immobilizing layer. A microporous expanded polytetrafluoroethylene membrane protective sleeve material provides the above properties for a cast which will dry itself inside and the skin it covers, is bacteria proof, and is not a host for bacteria. This application is a continuation of U.S. patent application Ser. No. 07/180,650, filed Apr. 4, 1988, abandoned, which is a continuation-in-part of application U.S. patent application Ser. No. 07/043,201, filed Apr. 27, 1987. now abandoned.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.