The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 27, 1991
Filed:
May. 11, 1989
Applicant:
Inventors:
Naohiko Inoue, Yokohama, JP;
Yasuo Noguchi, Yokohama, JP;
Assignee:
Sumitomo Bakelite Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128 / ; 604 22 ; 604266 ; 606169 ;
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.