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Takahiro Kogasaka, Akihisa Ogawa, Akio Nakada, Shuichi Kimura, Norio Kobayashi, Makoto Kuramochi: Cavity retaining tool for bone surgery, a cavity retaining tool for general surgery, an endoscopic surgery system involving the use of a cavity retaining tool, and a procedure for surgery. Olympus Optical, Armstrong Westerman & Hattori, April 16, 2002: US06371968 (356 worldwide citation)

A cavity-retaining tool for bone surgery includes a cavity-retaining sheath which is inserted into the body and forms a cavity to act as a work space for bone surgery, a treatment channel which is placed in the cavity-retaining sheath and guides treatment tools necessary for the treatment of a bone ...


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Kogasaka Takahiro, Ogawa Akihisa, Nakada Akio, Kimura Shuichi, Kobayashi Norio, Kuramochi Makoto: A cavity retaining tool for bone surgery, a cavity retaining tool for general surgery, an endoscopic surgery system involving the use of a cavity retaining tool, and a procedure for surgery. Olympus Optical Co, November 19, 1997: EP0807415-A2 (61 worldwide citation)

The cavity-retaining tool for bone surgery of this invention comprises: a cavity-retaining sheath (1) which is inserted into the body and forms a cavity to act as a work space for bone surgery; a treatment channel (11) which is placed in the cavity-retaining sheath (1), and guides treatment tools ne ...