1
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 ...


2
Kogasaka Takahiro, Ogawa Akihisa, Nakada Akio, Kimura Shuichi, Kobayashi Norio, Kuramochi Makoto: A cavity retaining tool for general surgery. Olympus Optical Co, September 3, 2003: EP1340467-A2 (54 worldwide citation)

A cavity-retaining tool (230) for surgery of this invention is insertable into body tissues to be ready for use and comprises: a cavity-retaining means (231) which retains a cavity for operation works in the body; and a soft cylinder member (233) which communicates with the cavity retained by the ca ...


3
Ogawa Akihisa, Kogasaka Takahiro, Nakada Akio, Konou Ryoichi: Apparatus and method for percutaneaously securing a working space, e.g. in lumbar discectomy. Olympus Optical Co, January 13, 1999: EP0890341-A1 (33 worldwide citation)

A surgical operation apparatus of this invention includes an operation sheath (4) having a cavity securing portion (13) 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 (12) that allows an operation tool to be ins ...


4
Nakada Akio, Matsuo Kazumasa: An ultrasonic probe for diagnostic examination of the interior of body cavities.. Olympus Optical Co, September 14, 1983: EP0088620-A2 (25 worldwide citation)

An ultrasonic probe for diagnostic examination of body cavity interiors has a chamber (41) containing transmitting medium (46) put in to fill the space of an ultrasonic wave oscillator transducer or the like, coated with and having a jacket cover (32) on its tip, has the chamber filled to be with an ...


5
Matsuo Kazumasa, Nakada Akio: Combined endoscope and ultrasonic diagnostic device.. Olympus Optical Co, September 29, 1982: EP0061332-A1 (11 worldwide citation)

A combined endoscope and ultrasonic diagnostic device for the examination of a body cavity interior, an ultrasonic probe tip (23) being mounted to be inserted directly into a body cavity and transmit and receive ultrasonic waves to diagnose an internal organ or the like within the body cavity with t ...


6
Matsuo Kazumasa, Nakada Akio: Combined endoscope and ultrasonic diagnostic device.. Olympus Optical Co, September 29, 1982: EP0061331-A1 (8 worldwide citation)

A combined endoscope and ultrasonic diagnostic device for the examination of a body, an ultrasonic probe tip (23) being mounted in an insertion sheath (21) to transmit and receive ultrasonic waves for the diagnostic investigation of internal organs and an endoscope (27) being provided to observe the ...


7
Ogasaka Takahiro, Nakada Akio, Sekino Naoki, Hijii Kazuya, Oyama Masahide, Yoshimine Hideto, Tonomura Masatoshi, Nakamura Takeaki: Therapy device for prostatic hypertrophy. Olympus Optical, January 18, 2000: JP2000-014663 (7 worldwide citation)

PROBLEM TO BE SOLVED: To provide a simple and inexpensive equipment for performing a low-invasive and effective method of curing prostatic hypertrophy at low therapy cost. SOLUTION: This therapy device for prostatic hypertrophy includes a long observation means insertion portion which can be inserte ...


8
Mizuno Hitoshi, Takayama Shuichi, Nakada Akio, Uchiyama Naoki, Kubota Tatsuya, Yamaguchi Tatsuya, Ueda Yasuhiro, Kawai Toshimasa, Kudo Masahiro, Fujisawa Yutaka, Takehata Sakae: Operating robot. Olympus Optical, January 21, 2003: JP2003-019683 (6 worldwide citation)

PROBLEM TO BE SOLVED: To provide an operating robot for performing knot suture capable of preventing damage of organism tissue.SOLUTION: A treatment appliance 164 is provided with a bobbin winder storing chamber 167b for storing a yarn 177 for suture, and a distortion gauge (tension detecting means) ...


9
Nakada Akio, Tezuka Masakazu: Positioning clamper. Koganei, September 30, 2003: JP2003-275932 (4 worldwide citation)

PROBLEM TO BE SOLVED: To provide a positioning clamper for preventing the entry of a welding spatter inside and causing no working trouble.SOLUTION: A work supporting plate 10 has a cylindrical support 10b with its front end face in contact with a panel material P. A locating pin 18 is protruded fro ...


10
Mizuno Hitoshi, Takayama Shuichi, Nakada Akio, Uchiyama Naoki, Kubota Tatsuya, Yamaguchi Tatsuya, Ueda Yasuhiro, Kawai Toshimasa, Kudo Masahiro, Fujisawa Yutaka, Takehata Sakae: Medical instrument. Olympus Optical, May 8, 2003: JP2003-127076 (4 worldwide citation)

PROBLEM TO BE SOLVED: To provide a medical instrument capable of moving a scope to follow the movement of a treatment tool so that person holding the scope is not required.SOLUTION: The scope 281 is attached to the arm of a vertical multi-joint robot 285 with 6 degrees of freedom, and the treatment ...