Transfusion pump
US5088904A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 20, 1990 |
| Grant date | Feb 18, 1992 |
| Priority date | — |
| Expiry date | Jul 20, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B43/082
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A transfusion pump includes a housing disposed to oppose a tube filled with a liquid to be supplied, a plurality of fingers mounted on the housing along a liquid supply direction to urge the tube, a drive shaft for pivotally reciprocally supporting the tube in a direction to urging the tube, cams engaged with the fingers rotatably supported by the drive shaft, a drive motor for sequentially driving the cams so that the fingers which are engaged with the corresponding cams sequentially urge the tube in the liquid supply direction, and a biasing member, arranged to be engaged with the fingers, for biasing the fingers to be in contact with the corresponding cams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.