Hemostasis valve having support shoulders
US5092857A · kind A · utility
Inventor
Key dates
| Filing date | May 17, 1991 |
| Grant date | Mar 3, 1992 |
| Priority date | — |
| Expiry date | May 17, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7882
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed herein is a hemostasis valve which is formed of a longitudinally extended valve housing having a first opening and a central longitudinal passage communicating with an opposite second opening. A cap is provided for enclosing the first opening of the housing, said cap having a hole to permit insertion of a catheter. Also provided is a one-piece seal located within the longitudinally extended housing, said seal comprising a sealing neck having a relatively small opening therein, communicating with a sealing chamber having opposing sealing exit lips which are both readily expandable and support shoulders on the outside of said seal adjacent to the sealing neck to provide support for the seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.