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Minoru Tsuruta, Shiro Bito, Shuichi Kimura, Akito Mukaizawa, Seiji Kuramoto, Tsuyoshi Tsukagoshi, Akio Nakata, Akihiro Taguchi, Kazuhiko Oozeki, Hitoshi Mizno, Shuichi Takayama, Yoshinao Oaki, Keisuke Saito, Toshihiko Suzuta: Surgical device for stapling and/or fastening body tissues. Olympus Optical, Frishauf Holtz Goodman & Woodward, February 14, 1995: US05389098 (901 worldwide citation)

A surgical device for stapling and fastening body tissues, comprises an insertion section extending from an operation section for insertion into a body cavity, stapling member connected to a distal end of the insertion section, for treating body tissues with a high-frequency current within a body ca ...


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Toshiya Sugai, Hiroyuki Nagamizu, Minoru Tsuruta, Yoshihito Shimizu, Toshihiko Suzuta, Norikiyo Shibata, Shinichi Nishigaki, Naoki Uchiyama, Yoshinao Oaki: Medical treatment instrument. Olympus Optical, Morgan Lewis & Bockius, August 8, 2000: US06099537 (553 worldwide citation)

A medical treatment instrument is provided with a treatment section for treating issue, an insertion section which has at one end the treatment section, and an operating section which is provided at the other end of the insertion section, operates the treatment section, and has a fixed portion and a ...


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Kouji Fujio, Isami Hirao, Sakae Takehana, Yasuhiro Ueda, Takashi Tsukaya, Yoshinao Oaki, Seiji Kuramoto: Ultrasonic diagnosis and therapy system in which focusing point of therapeutic ultrasonic wave is locked at predetermined position within observation ultrasonic scanning range. Olympus Optical, Armstrong Westerman Hattori McLeland & Naughton, December 5, 1995: US05471988 (376 worldwide citation)

Provided on the side of a distal end of an insertion part are an observation ultrasonic transducer for acquiring an ultrasonic image and a therapeutic ultrasonic transducer for outputting a therapeutic ultrasonic wave so as to be focused. Positioning or the like between the observation ultrasonic tr ...


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Katsunori Sakiyama, Yoshikatsu Nagayama, Hiroki Hibino, Yutaka Takahashi, Sakae Takehana, Yoshihito Shimizu, Yoshinao Oaki, Koji Koda: Apparatus for detecting insertion condition of endoscope. Olympus Optical, Armstrong Westerman Hattori McLeland & Naughton, December 28, 1993: US05273025 (201 worldwide citation)

An apparatus is provided for detecting an endoscopic inserting condition. The apparatus includes an irradiation arrangement for applying electromagnetic waves to the inside of an organism from outside the organism, an electromagnetic wave reception arrangement which is disposed in an insert section ...


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Yutaka Takahashi, Yoshikatsu Nagayama, Hiroki Hibino, Katsunori Sakiyama, Yoshihito Shimizu, Sakae Takehana, Yoshinao Oaki, Koji Koda, Yoshinobu Soeda, Masato Toda, Toshiaki Noguchi, Yuichi Yamada, Akira Osawa: Insertion position and orientation state pickup for endoscope. Olympus Optical, Armstrong Westerman Hattori McLeland & Naughton, October 19, 1993: US05253647 (196 worldwide citation)

A position and orientation state pickup is designed to detect the position and orientation state of an endoscope inserted into a living body without any adverse effect on the living body, which is often observed in X-ray analysis. The position and orientation state pickup, generating an electro-magn ...


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Mamoru Kaneko, Yasuhiro Ueda, Sakae Takehana, Masaya Yoshihara, Masahiko Iida, Naruto Shinkai, Kazunari Nakamura, Nobuhiko Washizuka, Yoshinao Oaki, Katsuya Suzuki: Fluorescent endoscope apparatus. Olympus Optical, Armstrong Westerman Hattori McLeland & Naughton, May 12, 1998: US05749830 (178 worldwide citation)

A fluorescent endoscope apparatus having: an endoscope that irradiates a subject portion to be observed with light transmitted through a light transmission device to obtain an object image of the subject portion to be observed; a normal observation light generating device for emitting normal light f ...


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Seiji Kuramoto, Ryoji Masubuchi, Akio Nakada, Yasuhiko Omagari, Ichiro Nakamura, Nobuhiko Washizuka, Yoshinao Oaki: Cleaning tube apparatus for endoscope. Olympus Optical, Armstrong Westerman Hattori McLeland & Naughton, May 20, 1997: US05630795 (132 worldwide citation)

A cleaning tube apparatus for an endoscope, comprises the endoscope having an observation optical system for observing a subject part at a forward-end portion, a cleaning tube detachable with respect to said endoscope, said cleaning tube being provided with a plurality of fluid jetting openings in a ...


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Tatsuya Kubota, Takashi Fukaya, Koji Yasunaga, Masanori Kaneda, Hitoshi Karasawa, Kyo Imagawa, Tetsumaru Kubota, Hideyuki Adachi, Yoshinao Oaki, Kenji Yoshino, Masaya Yoshihara, Hitoshi Mizuno, Akihiro Taguchi, Yoshihiro Kosaka, Masaaki Hayashi: Apparatus for holding a medical instrument in place. Olympus Optical, Frishauf Holtz Goodman Langer & Chick, December 16, 1997: US05697939 (129 worldwide citation)

An apparatus for holding a medical instrument, such as an endoscope, in place without exerting an undue force on an insertion hole in an abdominal cavity of a subject even when the arm of a scope-holding section is unlocked, includes a four-link parallelogram mechanism. The four-link parallelogram m ...


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Hiroki Hibino, Yoshikatsu Nagayama, Mutsumi Yoshikawa, Toshiyuki Takara, Masahito Goto, Akira Suzuki, Sakae Takehana, Yoshinao Oaki, Koichi Yoshimitsu, Yoshisada Aoki: Electronic endoscope system provided with a separate camera controlling unit and motor controlling unit. Olympus Optical, Armstrong & Kubovcik, October 27, 1992: US05159446 (123 worldwide citation)

At least one controlling unit of a controlling unit for controlling a bending driving motor bending driving a bendable portion, a controlling unit for controlling an advancing and retreating driving motor advancing and retreating moving an insert section and a controlling unit for controlling a rota ...