Anticoagulant delivery system for use with an auto-transfusion system
US4540406A · kind A · utility
56Cited by
28References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 2, 1983 |
| Grant date | Sep 10, 1985 |
| Priority date | — |
| Expiry date | May 2, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S604/902
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Anticoagulant is added to blood being aspirated through a hand-held wand having a venturi throat. The anticoagulant flows into the wand from a generally closed anticoagulant reservoir higher than the wand as replacement air flows into the anticoagulant air reservoir. This air inflow is controlled by a regulator fixed on the wand and in accordance with the amount of aspirated blood flowing in through the venturi throat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.