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1. (WO2018219979) TRANSPERINEAL STEPPER INCLUDING GEARLESS LINEAR MOVEMENT

Pub. No.:    WO/2018/219979    International Application No.:    PCT/EP2018/064127
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Thu May 31 01:59:59 CEST 2018
IPC: A61B 8/12
A61B 8/00
A61B 17/34
Applicants: KONINKLIJKE PHILIPS N.V.
Inventors: IHATSU, Mika Tapani
FRIMAN, Olli Tapio
Title: TRANSPERINEAL STEPPER INCLUDING GEARLESS LINEAR MOVEMENT
Abstract:
A device includes a medical instrument mounting structure; a base; and a gearless longitudinal translation device connected to and enabling longitudinal movement of the medical instrument mounting structure with respect to the base. The gearless longitudinal translation device includes: a first friction wheel having at least a first beveled side surface, and a second friction wheel having at least a second beveled surface; a first linear rod disposed between the first and second friction wheels and in contact with the first and second beveled surfaces; and a control mechanism attached to the first and second friction wheels for rotating the first and second friction wheels. Rotation of the first and second friction wheels causes a longitudinal displacement of the first linear rod with respect to the first and second friction wheels, which in turn causes the medical instrument mounting structure to be longitudinally displaced with respect to the base.