HANDPIECE AND HORN FOR ULTRASONIC SURGICAL INSTRUMENT
First Claim
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1. A handpiece for an ultrasonic surgical instrument, comprising:
- a horn in which a flat surface is formed on an end face of a tip portion; and
an external cylinder for covering the horn except for the tip portion, whereinan external diameter of the tip portion of the horn is larger than an external diameter of a part covered by the external cylinder.
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Abstract
The present invention aims to provide a handpiece and a horn for an ultrasonic surgical instrument in which better visual recognition of a tip portion of the horn can be given. The handpiece for an ultrasonic surgical instrument includes: a horn of which tip portion vibrates at an ultrasonic wave velocity; and an external cylinder for covering the horn except the tip portion. An external diameter of the tip portion of the horn is larger than an external diameter of a part covered by the external cylinder.
333 Citations
14 Claims
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1. A handpiece for an ultrasonic surgical instrument, comprising:
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a horn in which a flat surface is formed on an end face of a tip portion; and an external cylinder for covering the horn except for the tip portion, wherein an external diameter of the tip portion of the horn is larger than an external diameter of a part covered by the external cylinder. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A horn, comprising a flat surface formed on an end face of a tip portion and constituting a handpiece for an ultrasonic surgical instrument along with an external cylinder for covering the horn except for the tip portion, wherein
an external diameter of the tip portion is larger than an external diameter of a part covered by the external cylinder.
Specification