Catheter including ultrasound transducer with emissions attenuation
US6277077A · kind A · utility
190Cited by
7References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1998 |
| Grant date | Aug 21, 2001 |
| Priority date | — |
| Expiry date | Nov 16, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B8/445
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A catheter including an elongated body member, an ultrasound transducer located on the elongated body member, and dampening means for forming an ultrasound dampening region adjacent to a portion of the ultrasound transducer, is disclosed. The ultrasound transducer is configured to transmit or receive an ultrasound signal. The ultrasound dampening region is configured to improve uniformity of said ultrasound signal in three-dimensional space. Preferably, the dampening means includes air or a material containing air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.