Pump for assistance in circulation
US4697574A · kind A · utility
155Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1986 |
| Grant date | Oct 6, 1987 |
| Priority date | — |
| Expiry date | Feb 20, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M60/833
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A first balloon 11 plugs the aorta 1 during the diastole, upstream of the supraaortic arteries 2, 3. A second balloon 12 insures a propulsion of blood toward the coronaries 6,7. A pump 8 commands the inflation and deflation of the balloons from signals from an ECG and a pressure sensor 13 placed opposite the coronaries 6,7.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.