To provide a device used with a cutting tool to treat biological tissue or substitute, which is small-sized or compact, and facilitates handling such as attaching, removing, and changing of the tool.
A slender handpiece in which a tool equipped with a holding part with a insertion hole 27 on the front end part and a shaft part 8 is inserted into the insertion hole 27 locked by a locking part 29 is supported movable between a lock position in which a locking dent part 8 is inserted into a locking dent part 28 equipped on the shaft part 8 of the tool and a release position in which the lock state of the shaft part 8 of the tool is released and is pressed to the lock position and a movable member 1 which can be handled by hand and is movably supported by a holding means to enable the locking part 29 to move to the release position is equipped to support the movable member 9 movable in a direction crossing the shaft part 8 of the tool.
KRAUSE GERHARD
MOESSLE WALTER
Next Patent: DENTAL CARTRIDGE WITH ATTACHABLE FEEDING PART