Transfusion apparatus
US4820268A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1987 |
| Grant date | Apr 11, 1989 |
| Priority date | — |
| Expiry date | Oct 30, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/1689
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A transfusion apparatus including a pump section for sequentially pressing and blocking a transfusion tube to feed a liquid, a detecting section for detecting a given cycle of pump operation in the pump section, and a drive-control for driving and controlling the pump section is disclosed, in which the transfusion tube on an upstream side above the pump section is provided with a dropping cylinder on which is arranged a detector for counting the number of droplets and that the apparatus is further provided with a comparator for comparing the number of droplets in the given cycle of the pump operation with a predetermined value to judge a type of a transfusion set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.