In vivo ultrasonic system with angioplasty and ultrasonic contrast imaging
US5163421A · kind A · utility
621Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1989 |
| Grant date | Nov 17, 1992 |
| Priority date | — |
| Expiry date | Dec 12, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/3925
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An instrument and method for removing an obstruction from a human body lumen, such as an artery, is provided wherein the distal end of an ultrasonic transmission member is inserted within the artery and is connected at its proximal end to an ultrasonic power generator including a horn. A high efficiency ultrasonic transmission wire is connected to the horn which is formed from a material having a mechanical Q greater than about 50,000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.