Methods of and systems for examining tissue perfusion using ultrasonic contrast agents
US5255683A · kind A · utility
186Cited by
15References
48Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 30, 1991 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | Dec 30, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S15/8977
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system for and method of ultrasonically examining tissue using an ultrasound contrast enhancing agent involve detecting a frequency dependent characteristic of ultrasonic energy reflected from tissue at first and second time periods and utilizing the resulting data to obtain an indication of the presence in and the travel of the agent through the tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.