1
Nobuyuki Matsuura, Raifu Matsui, Toshio Nakamura, Hisao Yabe, Masaaki Nakazawa: Endoscopic system and method for positioning an indwelling tube. Olympus Corporation, Scully Scott Murphy & Presser, September 7, 2004: US06786864 (397 worldwide citation)

An endoscope including; a fixing member detachably mounted to a distal end portion of an endoscope insertion part for detachably fixing and holding a distal end portion of an indwelling tube or a distal end portion of a guide member for guiding the indwelling tube, both of which are provided along t ...


2
Masaaki Nakazawa, Toshio Nakamura, Hidenobu Kimura, Tatsuya Furukawa, Koji Yamaya, Nobuyuki Matsuura, Hisao Yabe: Medical treatment method and apparatus. Olympus Corporation, Straub & Pokotylo, John C Pokotylo, January 31, 2006: US06991602 (144 worldwide citation)

A medical treatment method comprises orally inserting a first endoscope having a first treatment tool provided thereto into a body cavity, inserting a first insertion member insertion support tool from at least one of abdominal and transdermal cavities into the body cavity, inserting a second endosc ...


3
Hisao Yabe, Hisao Ogiu, Toshiyuki Takara, Koji Takamura, Masaaki Nakazawa, Akinobu Uchikubo, Tomoaki Sato, Atsushi Miyazaki, Akibumi Ishikawa, Takeaki Nakamura: Solid state imaging apparatus. Olympus Optical, Armstrong Nikaido Marmelstein Kubovcik & Murray, April 17, 1990: US04918521 (113 worldwide citation)

This solid state imaging apparatus is provided within the tip part of an insertable part of an endoscope and is provided with an image forming optical system for forming images. This image forming optical system forms an optical image on the imaging surface of a solid state imaging chip provided in ...


4
Yasuhito Kura, Takayuki Yokota, Koji Nakamoto, Masaaki Nakazawa, Hisao Yabe, Hideo Ito: Device for bending the insertion section of an endoscope. Olympus Optical, Frishauf Holtz Goodman Langer & Chick, April 16, 1996: US05507717 (73 worldwide citation)

A device to be incorporated in the housing of the operation section of an endoscope, for operating a bending mechanism incorporated in the insertion section of the endoscope, comprises an operation shaft and a holder. The operation shaft has a distal end connected to the bending mechanism and a prox ...


5
Koji Takamura, Takahiro Kishi, Hisao Yabe, Koji Yamaya, Masaaki Nakazawa, Hideo Ito, Hiroshi Ishii: Electronic endoscope with grounded spirally-wound lead wires. Olympus Optical, Armstrong Westerman Hattori McLeland & Naughton, March 2, 1999: US05876326 (72 worldwide citation)

An electronic endoscope apparatus provided with an electronic endoscope having arranged thereon a solid-state image pickup element at an insertion portion, and external devices such as a light source device for supplying an illumination light to the electronic endoscope, a video processor for proces ...


6
Hideki Shimonaka, Yosuke Yoshimoto, Masaaki Nakazawa: Suction control unit for an endoscope. Olympus Optical, January 3, 1989: US04794913 (69 worldwide citation)

In a suction control unit used with an endoscope having a channel, a tubular main body has a suction port in the side wall and a bore and in the bore, an inner tube with a through hole communicating with the channel of the endoscope is installed. A sliding tube is located slidably in the axial direc ...


7
Yasuhiro Ueda, Isao Nagai, Naruto Shinkai, Masaaki Nakazawa, Toshiki Terayama: Oviduct closing apparatus. Olympus Optical, Frishauf Holtz Goodman & Woodward, February 21, 1989: US04805618 (52 worldwide citation)

An oviduct-closing apparatus includes a body having a clamping portion. The clamping portion is prepared from a shape memory alloy. The clamping portion deforms into an open state engageable with an oviduct or a closed state capable of clamping the oviduct, in accordance with temperature change.


8
Naomi Sekino, Shuichi Takayama, Masakazu Gotanda, Koichiro Ishihara, Naoki Uchiyama, Nobuhiko Watanabe, Masaaki Nakazawa, Tsuguhisa Sasai, Tsutomu Okada, Takeo Haneda, Masaaki Hayashi: System for applying ultrasonic waves and a treatment instrument to a body part. Olympus Optical, Ostrolenk Faber Gerb & Soffen, January 7, 1992: US05078144 (49 worldwide citation)

An ultrasonic treatment system for conducting treatment by converging ultrasonic waves which are generated outside of a body to a part to be treated in the body comprising an ultrasonic wave generator for generating the ultrasonic waves to be converged to the part to be treated; and an insertion tub ...


9
Hisao Yabe, Yoshihiro Iida, Akira Suzuki, Hideo Ito, Yoshio Tashiro, Minoru Yamazaki, Osamu Tamada, Masaaki Nakazawa, Koji Yamaya: Endoscope system including endoscope and disposable protection cover. Olympus Optical, December 30, 1997: US05702347 (43 worldwide citation)

In an endoscope system including an endoscope having an insertion section and an operation section and a disposable protection cover having an insertion section cover having formed therein a forceps channel and a forceps inlet opening through which a forceps can be inserted into the forceps channel, ...


10
Hideki Shimonaka, Yosuke Yoshimoto, Masaaki Nakazawa: Endoscopic fluid changing device. Olympus Optical, April 12, 1988: US04736732 (42 worldwide citation)

Disclosed is a construction of an endoscopic fluid changing device which, attached to an endoscope, regulates the flow of a fluid in a channel of the endoscope. The fluid changing device comprises a cylindrical casing having a suction port, in the side wall thereof, a channel pipe provided in the ce ...