Olympus Corporation

Hideharu Miyahara

Youhei Sakai

Hiroyuki Motohara

Yusuke Nakagawa

Kazuya Matsumoto

Mikio Nakamura

Hiroshi Miyajima

Ken Sato

Fukashi Yoshizawa

Koichi Shiotani

Hiroshi Suzushima

Hiroshi Iwaisako

Kosuke Kawahara

An endoscope includes an optical module, the optical module including an optical element including a light emitting surface, an external electrode being disposed, out of a first region and a second region obtained by dividing the light emitting surface substantially in half, only in the first region, a wiring board including a first main surface where the optical element and a bonding electrode are disposed, a bonding wire connecting the external electrode and the bonding electrode to each other, a ferrule into which the optical fiber is inserted, a frame including an upper plate where the ferrule is disposed, including a side plate fixed to the first main surface, including an inner section housing the optical element and a side surface including an opening, and a transparent resin disposed in the inner section, wherein the upper plate is inclined at a predetermined inclination angle to the first main surface.

Endoscope and method of manufacturing endoscope

An endoscope including an image pickup module in a distal end section, wherein the image pickup module including an image pickup unit including an image pickup device, a light emitting element configured to emit an optical signal from a light emission surface, and a ferrule disposed in the image pickup unit, in which the light emission surface is inclined at a first angle of not less than 35 degrees nor more than 55 degrees to the distal end section central axis, a fiber distal end portion is inclined at a second angle of not less than 35 degrees nor more than 55 degrees to the distal end section central axis, and the optical fiber extends toward the distal end section central axis, and is arranged along a bending section central axis in a bending section.

Endoscope

An optical module includes an optical element including a light emitting section, a first wiring board, on a first principal plane of which the optical element is mounted, a ferrule functioning as a holding member including a through hole and disposed on a second principal plane of the first wiring board, an optical fiber inserted into the through hole of the ferrule, a side surface wiring board, a third principal plane of which is disposed in parallel to an optical axis and an end portion of which is connected to the first wiring board, an electrode being disposed on a fourth principal plane of the side surface wiring board, and a signal cable having a distal end portion bonded to the electrode of the side surface wiring board.

Optical module, image pickup module, and endoscope

An optical module includes an optical element, a first substrate, on a first principal plane of which the optical element is mounted, a holding member disposed on a second principal plane of the first substrate, an optical fiber inserted into a through hole of the holding member, a holding substrate with an opening, a wall surface of which is in contact with an outer peripheral surface of the holding member, an interconnecting substrate connecting the first substrate and the holding substrate, a side surface substrate, an end portion of which is connected to the holding substrate and on which an electrode is disposed, and a signal cable, a distal end portion of which is bonded to the electrode of the side surface substrate.

An image pickup module includes: an optical waveguide plate that includes a first waveguide, a second waveguide, and a third waveguide optically coupled to the first waveguide and the second waveguide through a branch portion; an image pickup device; a first optical device and a second optical device both mounted on the optical waveguide plate; an optical fiber; a ferrule into which the optical fiber is inserted; and a plurality of conductive wires. The ferrule includes a notch on a front surface, and distal end portions of the conductive wires are held between the optical waveguide plate and a surface of the notch of the ferrule. The other components are disposed within a plane of projection of the image pickup device.

Image pickup module and endoscope

An ultrasound unit includes: ultrasound elements each including a plurality of ultrasound cells formed on a substrate including a semiconductor, the plurality of ultrasound cells each including an upper electrode having a ground potential and a lower electrode to which a drive signal is applied, the upper electrode and the lower electrode being arranged facing each other via a cavity and thereby forming a first capacitor; a package member in which the plurality of ultrasound elements are disposed, the package member having a ground potential; and an insulation member disposed between the package member and each of the ultrasound elements. A second capacitor is formed as a result of the insulation member serving as a gap, and a capacity of a third capacitor serially connected to the second capacitor is smaller than a capacity of the second capacitor.

Ultrasound unit and ultrasound endoscope

An endoscope includes: an insertion portion that includes a distal end portion in which an image sensor and a laser diode are disposed, a bending portion, and a flexible portion, the image sensor outputting an image pickup signal, the laser diode converting the image pickup signal into an optical signal; an operation portion; an universal cord; a connector; an optical fiber that is inserted through the insertion portion and transmits the optical signal; and a stress relief portion that changes an effective length Lof the optical fiber in accordance with a stress applied to the optical fiber, the effective length being a length of the optical fiber along an insertion direction thereof.

An endoscope includes an insertion section in which a rigid distal end portion, a bending section for changing a direction of the rigid distal end portion, and a flexible portion are concatenated and an optical fiber that transmits an optical signal, the optical fiber being inserted through an inside of the insertion section. The rigid distal end portion is provided with an image pickup device, an optical element that converts an electric signal outputted by the image pickup device into the optical signal, a holding member including a through-hole, into which a distal end portion of the optical fiber is inserted, and a wiring board on which the optical element is mounted and to which the holding member is joined. The optical fiber is inserted through a center of the bending section.

An optical transmission module includes an optical element including a light-emitting section configured to output light of an optical signal, a hollow cylindrical body joined perpendicularly to a light output surface of the optical element, a wiring board, on a first principal surface of which the optical element is mounted and through a hole of which the hollow cylindrical body is inserted, and an optical fiber configured to transmit the optical signal, a distal end portion of which is inserted into the hollow cylindrical body.

Optical transmission module and method for manufacturing optical transmission module

An optical transmission module includes: an optical device having a light emitting section that outputs light of an optical signal; an optical fiber that transmits the optical signal; a holding member in which a distal end portion of the optical fiber is inserted into a through hole having an inner diameter equivalent to an outer diameter of the optical fiber, and that is disposed on the optical device; and a lens section that is disposed in an opening on the optical device side of the through hole of the holding member, and that concentrates the light.

Optical transmission module and endoscope

A cable assembly includes a plurality of cables; and a cable fixing member which has a facing surface to be oppositely arranged, in connecting each of the cables to a member as a connection target, with respect to a connection surface of the connection target member and fixes a distal end part of each of the cables in a state where an axial direction of the distal end part of each of the cables is arranged along the facing surface, wherein a side surface of a core wire of each of the cables is exposed at a predetermined first position on the facing surface of the cable fixing member and a first connection part which connects the core wire of each of the cables to the connection target member is formed at the first exposed part.

Cable assembly, electronic circuit module, and imaging apparatus

Provided is a capsule-type endoscope that has a power receiving coil that wirelessly receives an electric power from outside a body of an individual to be examined, a processing circuit that performs predetermined processing, and an adjusting reactance section that is capable of adjusting a reactance that is connected to the power receiving coil.

Capsule-type medical device, power supply apparatus, and power supply system

A living-body observation system is provided with: an in-vivo observation apparatus including: an in-vivo information acquiring section; a power source section; a magnetic field detection section that detects a magnetic field from outside and outputs a detected result as an electric signal; and a power supply section that controls a supply state of driving power supplied to the in-vivo information acquiring section, and the operation of the in-vivo information acquiring section, based on the electric signal; and a magnetic field generating section that is disposed outside the in-vivo observation apparatus and generates the magnetic field, wherein the power supply section includes a control section that controls the operation of the in-vivo information acquiring section of the in-vivo observation apparatus.

Living-body observation system and driving method of the living-body observation system

The present invention relates to an actuator drive apparatus capable of eliminating the influence of the mutual induction effect of a drive coil and a detection coil with a simple structure. That is, the present invention is an actuator drive apparatus capable of causing a movement of the drive coil of a scanner by applying an electric current thereto, and generating and maintaining the resonance state by feeding back an output signal of the detection coil at that moment. In particular, the present invention uses a rectangular wave as the drive signal and includes an LPF for eliminating a specific high frequency component of an output signal of the detection coil.

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Nagano, Japan

Hideharu Miyahara