1
Akihisa Ogawa, Takahiro Kogasaka, Akio Nakada, Ryoichi Konou: Surgical operation system and method of securing working space for surgical operation in body. Olympus Optical, Frishauf Holtz Goodman Langer & Chick P C, November 2, 1999: US05976146 (367 worldwide citation)

A surgical operation apparatus of this invention includes an operation sheath having a cavity securing portion that is inserted into vital tissue through the skin to secure a working cavity for a surgical operation in the body, and a sheet member that allows an operation tool to be inserted from out ...


2
Ryoichi Konou, Ryoji Masubuchi, Jin Kira, Takahiro Kogasaka, Hiroshi Okabe: System for evulsing subcutaneous tissue. Olympus Optical, Frishauf Holtz Goodman Langer & Chick, June 2, 1998: US05759150 (61 worldwide citation)

A system for evulsing subcutaneous tissue includes an endoscope adapted to be inserted into subcutaneous tissue through a skin cut portion to observe tissue to be evulsed and existing under the skin, a dissecting unit adapted to be inserted into the subcutaneous tissue through the skin cut portion s ...


3
Ryoichi Konou, Ryoji Masubuchi, Jin Kira, Takahiro Kogasaka, Hiroshi Okabe: System for evulsing subcutaneous tissue. Olympus Optical, Frishauf Holtz Goodman Langer & Chick P C, June 27, 2000: US06080102 (36 worldwide citation)

A system for evulsing subcutaneous tissue includes an endoscope adapted to be inserted into subcutaneous tissue through a skin cut portion to observe tissue to be evulsed and existing under the skin, a dissecting unit adapted to be inserted into the subcutaneous tissue through the skin cut portion s ...