Horn used in an ultrasonic surgical operating instrument
First Claim
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1. A horn used in an ultrasonic surgical operating instrument for crushing and removing organic tissue, said horn comprising:
- a horn body for crushing said organic tissue which is ultrasonically vibrated;
passage means extending through said horn body, through which the crushed tissue is removed outside;
means provided within said passage means for reducing a cross-sectional dimension of said passage means;
said reducing means comprising a bulkhead disposed in said passage means and aperture means for axially extending through said bulkhead;
wherein said bulkhead is disposed in a midway portion in said passage means.
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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.
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Citations
5 Claims
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1. A horn used in an ultrasonic surgical operating instrument for crushing and removing organic tissue, said horn comprising:
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a horn body for crushing said organic tissue which is ultrasonically vibrated; passage means extending through said horn body, through which the crushed tissue is removed outside; means provided within said passage means for reducing a cross-sectional dimension of said passage means; said reducing means comprising a bulkhead disposed in said passage means and aperture means for axially extending through said bulkhead; wherein said bulkhead is disposed in a midway portion in said passage means. - View Dependent Claims (2, 3, 4, 5)
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Specification