Echogenic medical needle
US8617079B2 · kind B2 · utility
16Cited by
11References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 2009 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Aug 23, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/3925
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
There is disclosed a medical needle comprising a needle shaft that defines a longitudinal axis, a tip formed at one end of the shaft, and an ultrasonic reflector formed in an outer surface of the needle shaft. The reflector comprises a first reflector surface that is at an angle of no more than 35° to the longitudinal axis of the shaft and that faces towards the tip, and at least one additional reflector surface that forms an angle to the first reflector surface within the range of 75° to 105°, and that is substantially concave in a direction towards the first reflector surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.