Blood flow measurement device and method
US4608993A · kind A · utility
43Cited by
6References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 31, 1984 |
| Grant date | Sep 2, 1986 |
| Priority date | — |
| Expiry date | Jul 31, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B8/065
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The disclosure relates to systems for measuring blood flow by detecting Doppler shift of ultrasound reflected by blood components moving in a blood vessel. The systems employ electronic techniques for providing accurate tracking of portions of the frequency spectra of Doppler shift signals to determine peak and means velocity and acceleration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.