Flashback device for catheters
US4487605A · kind A · utility
14Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1982 |
| Grant date | Dec 11, 1984 |
| Priority date | — |
| Expiry date | Nov 17, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S604/90
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Negative pressure to accelerate flashback is formed by selective deformation of an elastomeric bladder. The bladder and a next adjacent cam means are enclosed in a housing, penetrated by a slide or roller engaging the cam surface. As the slide or roller moves along the cam surface, the bladder is selectively deformed first to close, then to evacuate distally and then to reopen at a negative differential pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.