Olympus Optical Company, Ltd.

Olympus Corporation

Olympus Medical Systems Corporation

Komatsu Corporation

Apollo Endosurgery, Inc.

Japan Gore-tex Inc.

Keiichi Arai

Yuichi Ikeda

Toshinari Maeda

Takayasu Miyagi

Akira Suzuki

Hisao Yabe

Minoru Yamazaki

Yoshihiro Iida

Yoshio Tashiro

Osamu Tamada

Toshimasa Kawai

Haruhiko Ueno

Keita Suzuki

Seiichiro Kimoto

Takemitsu Honda

Raifu Matsui

Hideo Itoh

Hiroshi Ishii

Hideo Ito

Yasuhito Kura

Koji Yamaya

Koichi Kawashima

Masaaki Nakazawa

Hiroyoshi Watanabe

Tsugio Okazaki

Ryuta Sekine

Yoshihiko Sugi

Tsutomu Okada

Kazuhiro Yoshida

Pankaj Jay Pasricha

Tetsuya Yamamoto

Hiroyuki Fukuda

Hiroki Moriyama

Hitoshi Mizuno

Yasuhiro Ueda

Kenji Yoshino

Yoshio Onuki

Sakae Takehana

Tsukasa Kobayashi

Tomoki Funakubo

Tatsuya Yamaguchi

Koji Takamura

Masahiro Ishikawa

Shigeru Nakajima

Tadashi Iijima

Keijiro Omoto

Kazuhiko Arai

Yutaka Masaki

Atsushi Amano

Yutaka Tatsuno

Koh Kimura

Masami Hamada

Koichi Umeyama

Motohiro Kuroda

Ichiro Takahashi

Yutaka Fujisawa

Fumihiro Sasaki

Tomoyuki Matsuda

Hiroshi Shinmen

An engine control system controls a work machine including an engine, a fuel injection device that injects fuel into the engine, and a hydraulic pump that is driven by the engine. The rotation state amount specification unit specifies a rotation state amount related to rotation of the engine. The injection amount determination unit determines a fuel injection amount by the fuel injection device based on the rotation state amount.

Engine control system, work machine, and control method for work machine

An insertion portion, a bending portion, an inner guide sheath, an operation portion, a fixing lever, a guide member, a crank member, a pair of link members, and cam members that are rotatable to a second rotation position where the cam members simultaneously press exposed sites of moving members to wall surfaces in a vertical direction, and a first rotation position where the cam members are separated from the exposed sites, by either one of opening and closing of the respective link members are included.

Insertion apparatus

An endoscope includes a control method input section provided in a bending operation input unit and configured to input a control method of a bending operation, and a control method detector provided in an operation section body and configured to detect the input control method of the bending operation. The endoscope includes an activated portion provided in the bending operation input unit and configured to change its activated state in response to the bending operation in a bending operation input section, an activated state detector provided in the operation section body and configured to detect the activated state of the activated portion, and a drive member provided in the operation section body and configured to be driven in accordance with the detected control method and the detected activated state, thereby bending a bending section.

Endoscope

An insertion apparatus includes a moving unit moving between a first movement position in a state that a motion portion performs a motion and a second movement position in a state that the motion of the motion portion is regulated. A link unit oh the insertion apparatus includes a coupling portion which couples a first link with a second link in a state that the first link and the second link form a substantially V-like shape having a link coupling position as an apex when the moving unit is placed at the first movement position and in a state that the first link and the second link form a substantially linear shape that does not bend at the link coupling position when the moving unit is placed at the second movement position.

An insertion device includes: a linear member inserted into an insertion portion to be movable; a plurality of mobile bodies provided in a state of being strung together on an outer periphery of the linear member and being movable with respect to the linear member; a restricting member fixed with respect to the linear member, the restricting member restricting a movable range of each mobile body with respect to the linear member and preventing each of the mobile bodies from falling off; and a fixing pin being movable between a first position and a second position at which the fixing pin is fitted in between any adjacent two mobile bodies.

Insertion device

A tissue puncturing system used to suture tissues in a body cavity including: an endoscope; a flexible sheath having a distal portion provided with at least a side opening and a lumen, through which an endoscope may pass; at least one mechanism for puncturing tissue disposed in the flexible sheath, and having a pointed end, which is movable from a first position to a second position; and an operation mechanism for moving the mechanism for puncturing between the first and second positions.

Endoscopic instruments for suturing tissues in a body cavity

A cleaning brush which is inserted into a conduit of the endoscope, includes a long and flexible shaft, and a brush part provided at a leading end of the shaft. The brush part includes brush bristles, a strand, etc. A part of the shaft that overlaps the brush bristles in a state where the brush bristles are bent toward the leading end of the shaft, is provided with a small diameter part that is smaller in external diameter than the other part of the shaft. The dimension obtained by adding the external diameter of the small diameter part and twice the external diameter of the brush bristles is smaller than the internal diameter of a conduit into which this cleaning brush is inserted.

Cleaning brush

This endoscopic treatment system is provided with an insertion-retraction and rotating device for a treatment tool, which performs an insertion-retraction operation along a direction of an axis of a treatment tool and a rotating operation around the axis, of the treatment tool inserted in a channel of an endoscope.

Endoscopic treatment system

An electric bending endoscope includes a temperature sensor that detects the temperature of a motor as a state value indicating the driving state of a bending drive unit. A bending control device comprises: a temperature detection unit that receives the data of the temperature detected by the temperature sensor; a record unit in which the limits of motor temperature inputted in advance are recorded; a comparison unit that compares the data of the temperature sent from the temperature detection unit with the limits of motor temperature recorded in the record unit; and a notification unit that notifies that the driving state of a motor is approaching the limit.

Electric bending endoscope

An electric bending endoscope comprises a bending portion arranged to an inserting portion, a bending driving unit and a buffering member. The bending driving unit bends the bending portion, and includes a motor, a first unit and a second unit. The motor generates driving force for bending the bending portion. The first unit holds the motor. The second unit includes a driving force transmitting member. The buffering member connects the first unit to an outer member of the inserting portion, a connecting code and a switch. The buffering member absorbs external force generated during the operation of the electric bending endoscope.

An electric bending endoscope according to the present invention includes a bending portion arranged to an inserting portion, a bending driving mechanism which electrically bends the bending portion, an operation input member which instructs an operation to the bending driving mechanism so that the bending driving mechanism bends the bending portion, and a bending angle holding mechanism which holds the bending angle of the bending portion.

Endoscope device with electrically actuated bending

An electric bending endoscope apparatus includes an electric bending endoscope, a bending control device for controlling a bending direction and the amount of bending of a bending portion based on a bending instructing signal outputted from a portion for instructing a bending operation in the electric bending endoscope, an image processing device for generating an observing image captured by the electric bending endoscope to a video signal, and a display device for displaying the video signal generated by the image processing device as an endoscope image, wherein the electric bending endoscope includes a bending driving portion for bending the bending portion arranged at an inserting portion, a bending motive portion for driving the bending driving portion, a portion for restoring transmission and disconnection of driving force that reversibly switches a status for transmitting the driving force by transmitting the driving force of the bending motive portion to the bending driving portion and a status for disconnecting the driving force, a portion for detecting a bending status which detects an operating status of the bending driving portion and detects the bending status of the bending portion, a portion for instructing a bending operation having a portion for inputting the bending instructing signal that outputs the bending instructing signal for relatively changing the bending direction and the amount of bending of the bending portion, a portion for detecting a predetermined bending status which detects that the bending portion is in at least one predetermined bending status, and a portion for notifying the predetermined bending status which sends a notification indicating that the bending portion is in the predetermined bending status based on a detecting result of the portion for detecting the predetermined bending status.

Endoscope apparatus having electric bending endoscope

Driving force of a bending motor is transmitted to a sprocket via a clutch mechanism portion. The operation of a switching operation lever switches the clutch mechanism portion to a disconnecting/restoring status. A bending control device includes a bending angle calculating portion which calculates information on a bending status based on an output signal of a potentiometer, a motor driving signal generating portion which generates a driving signal for bending a bending portion, a JS-motor driving signal generating portion which calculates a position for an instructing status of a stick portion based on the information on the bending status and generates the driving signal for moving the stick portion to the position, and a calibration instructing portion which receives a position signal from a status detecting switch and which sends an instruction for outputting to a JS motor, the driving signal generated by the JS-motor driving signal generating portion. With the above construction, the calibration operation is easily performed in a freely bending status.

Electric bending endoscope apparatus

An electric bending endoscope includes a bending portion arranged to an inserting portion and a bending driving unit which bends the bending portion. In the electric bending endoscope, the bending driving unit includes a motor which generates driving force for bending the bending portion, a first unit which holds the motor, a driving force transmitting member which transmits the driving force of the motor, and a second unit which bends the bending portion by the driving force of the motor. The electric bending endoscope further includes a first holding member which detachably supports, to the first unit, a rotating shaft arranged to the driving force transmitting member of the second unit.

An electrically-bent endoscope includes a bend driving portion for bending a bending portion. The bend driving portion has a motor for generating driving force, a gear train for transmitting driving force generated in the motor, a sprocket for converting driving force of the motor to a back and forth movement of bending operation wires for bending the bending portion at the head portion of an inserting portion, and a clutch mechanism for connecting and disconnecting driving force transmitted from the gear train to the sprocket. The clutch mechanism includes a transmitting member for connecting and disconnecting the gear train and sprocket, a thrust mechanism for moving the transmitting member in the axial direction of the sprocket and a clutch operating member, connected to the thrust mechanism, for inputting instructions for connecting and disconnecting the gear train and the sprocket.

Electrically-bent endoscope

Growing community of inventors

Hachioji, Japan

Keiichi Arai