Ultrasonic hand piece and ultrasonic horn for use with the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 24, 2002
Grant Date -
Aug 1, 2002
app pub date -
Mar 9, 2001
filing date -
Nov 7, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The purpose of the present invention is to eliminate the various problems which can be presented by the scalpel portion of an ultrasonic hand piece for cutting a bone or other hard tissue making an excessive sting into the cut site, and allow precisely controlling the movement of the scalpel portion in a wide field of view for precision cutting of a bone or other hard tissue to achieve the purpose of the medical treatment. The ultrasonic hand piece according to the present invention comprises a casing for accommodating an ultrasonic vibration mechanism, and a horn which is mounted at one end of the casing for cutting a bone or other hard tissue by the vibration transmitted from said ultrasonic vibration mechanism, said horn comprising a main body portion and a scalpel portion which is formed at the tip of this main body portion for cutting a bone or other hard tissue, and in the end portion of the scalpel portion being formed a working portion which comprises at least one face portion for eliminating the stress concentration into the object site of a bone or other hard tissue to prevent excessive sting while transmitting a vibration for forming a finely fractured layer, and an edge portion for raking the bone tissue finely fractured by this working portion.
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