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:
May. 21, 1985
Filed:
Jul. 24, 1981
Richard B Frost, Eastwood, AU;
Unisearch Limited, Kensington, AU;
Abstract
Surgical instrument for accurately cutting and removing fibrous tissue comprising a first tube (11) having at one end an end wall (12) disposed in a plane substantially normal to the longitudinal axis of the first tube (11), which end wall contains an aperture (13); a second tube (14) coaxial with the first tube (11) and having at one end wall (15) disposed in a plane substantially normal to the longitudinal axis of the second tube (14) which end wall (15) contains an aperture (16) and lies in closed juxtaposition with the end wall (12) of the first tube (11); a mechanism (17) to enable the tubes (11 and 14) to be rotated relative to one another such that the apertures (13 and 16) are moved into and out of register with one another; ducts (19 and 20) to direct a stream of an irrigating liquid to the one end of the tubes (11 and 14); and ducts (21, 37, 36 and 35) to connect the interior of the second tube (14) to a source of suction.