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:
Nov. 03, 2015
Filed:
May. 25, 2007
Michael John Radley Young, Asburton, GB;
Stephen Michael Radley Young, Ashburton, GB;
Michael John Radley Young, Asburton, GB;
Stephen Michael Radley Young, Ashburton, GB;
SRA DEVELOPMENTS LIMITED, Ashburton, South Devon, GB;
Abstract
At the surgical tool's proximal end, there is a first means () to generate ultrasonic vibration in a torsional shear mode. There is also a second means () to generate ultrasonic vibration in a longitudinal compression mode. A wave guide () is operatively connected to both generating means and extending therefrom by a distance of nλ/2 to a distal end provided with cutting and/or coagulating means. The ratio of the wavelengths of the longitudinal compression wave and the torsional shear wave, λc: λτ, is an odd number. Preferably λc=Nλτ (where N is an odd integral number and x is an integer). Delicate shear motion of the torsional ultrasonic vibrational mode is combined with the more vigorous excitation of the longitudinal compression wave ultrasonic vibration.