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
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 ...


3
Takahiro Kogasaka: Ligating apparatus. Olympus Optical, Frishauf Holtz Goodman Langer & Chick, August 25, 1998: US05797928 (349 worldwide citation)

A ligating apparatus comprising a ligature applying device having at a distal end a ligature holding section for holding a ligature; a ligature holding device movable relative to the ligature applying device, the ligature holding device having a through hole through which the ligature-applying devic ...


4
Naomi Sekino, Yasuhiko Kikuchi, Kazuya Hijii, Masahide Ohyama, Kouji Yamauchi, Hiroyuki Takahashi, Takahiro Kogasaka, Akio Nakada, Takeaki Nakamura, Masatoshi Tonomura, Hideto Yoshimine, Hiroaki Matsumoto: High frequency treatment apparatus. Olympus Optical, Frishauf Holtz Goodman Langer & Chick P C, May 7, 2002: US06383183 (129 worldwide citation)

A high frequency treatment apparatus of the present invention comprises a high frequency generation section for supplying high frequency power, a control section, which is connected to the high frequency generation section, and which controls output of the high frequency generation section, having a ...


5
Hideyuki Kasahara, Takahiro Kogasaka: Operating trocar. Olympus Corporation, Scully Scott Murphy & Presser, March 8, 2005: US06863674 (99 worldwide citation)

An operating trocar according to the invention includes a guide tube inserted through a body surface to introduce an endoscope and an operating instrument into a living body, and a flange portion provided on the guide tube to make a predetermined angle with a plane approximately perpendicular to an ...


6
Takahiro Kogasaka, Toshihiko Suzuta, Shiro Bito, Minoru Tsuruta, Naoki Uchiyama, Kunihide Kaji: Suturing instrument. Olympus Optical, Frishauf Holtz Goodman Langer & Chick, July 1, 1997: US05643293 (90 worldwide citation)

A medical instrument performs at least one of suture and ligation to form a suitable knot in a piece of suture within a body cavity. This medical instrument includes a suture having a first end portion, a second end portion, and at least one loop formed in advance at an intermediate portion between ...


7
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 ...


8
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 ...


9
Shingo Nogami, Masahiro Kudo, Takahiro Kogasaka, Kazuo Morita, Kazuo Banju, Masayuki Irie: Stereoscopic-endoscope display control apparatus and stereoscopic endoscope system. Olympus Corporation, Scully Scott Murphy & Presser P C, March 2, 2010: US07671888 (36 worldwide citation)

The present invention provides a system including a stereoscopic endoscope having left and right image pickup units for picking up parallactic images of an object through objective lenses laterally arranged at a distance from each other and CCDs laterally arranged at a distance from each other. In t ...


10
Hideyuki Kasahara, Takahiro Kogasaka, Shuhei Iizuka, Masayuki Irie: Living tissue harvesting apparatus. Olympus Corporation, Terumo Kabushiki Kaisha, Ostrolenk Faber Gerb & Soffen, July 18, 2006: US07077803 (32 worldwide citation)

There is disclosed a living tissue harvesting apparatus according to one aspect of the present invention, comprising a sheath which can be inserted in a body through a cut skin portion, an endoscope inserted through the sheath, a cutting device which is disposed at the sheath and which can cut a liv ...