Horn used in an ultrasonic surgical operating instrument
US5042461A · kind A · utility
184Cited by
16References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 1989 |
| Grant date | Aug 27, 1991 |
| Priority date | — |
| Expiry date | May 11, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/1067
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A horn used in an ultrasonic surgical operating instrument for crushing and removing organic tissue comprises a horn body vibrated by and ultrasonic vibration source for crushing the organic tissue, a removing passage extending through the horn body, through which the crushed tissue is removed outside, a bulkhead disposed in the removing passage, and at least one through hole formed in the bulkhead. The bulkhead and the hole cooperate with each other to reduce a cross-sectional area of the removing passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.