1
Akihiro Taguchi, Akira Shiga: Observation assisting forceps. Olympus Optical, Armstrong Nikaido Marmelstein Kubovcik & Murray, March 20, 1990: US04909789 (180 worldwide citation)

Observation assisting forceps wherein a shaft member is retractably inserted through a hollow sheath, a plurality of linear members given a characteristic of expanding on the tip sides are provided at the front end of this shaft member and spherical parts are provided at the tips of the respective l ...


2
Sakashita Kiyotoshi, Bitou Shirou: Observation assisting forceps. Olympus Optical, October 5, 1993: JP1993-253237

PURPOSE: To increase the rigidity of an organ holding portion without degrading controllability and enable the holding portion to hold and move internal organs. CONSTITUTION: A shaft member 12 is inserted into a hollow sheath 11 and is so designed to be capable of being controlled by a control porti ...