Fujikura Limited

Fibertech Co., Ltd

Kawasaki Jukogyo Kabushiki Kaisha

Japan Atomic Energy Research Institute

Japan Atomic Energy Agency

Kenichi Nakatate

Takashi Tsumanuma

Takeshi Segi

Hitoe Iikura

Yusuke Matsuda

Tomoaki Toriya

Keiji Kaneda

Wei-Zhi Hu

Osamu Nakao

Takeshi Ishizuka

Hideo Shiratani

Kenichi Ishibashi

Mitsuru Kamikatano

Katsuya Yamagami

Kiyoshi Oka

Satoshi Hida

Hideaki Usuda

Hideyuki Wada

Akiyoshi Hayakawa

Fumihiko Nishimura

Junji Yoshino

Takao Wakabayashi

Satoshi Katou

Jun Yamagishi

Takashi Ishii

Toshio Osaki

Hitoe Ilkura

Tomiaki Toriya

Light guide for dental light irradiator

A suction catheter of the invention includes: a catheter main body that includes a suction passage along a longitudinal direction thereof; a control unit that is attached to an end portion of the catheter main body which is opposite to an operation portion; and an imaging unit that is attachable to and detachable from the control unit.

Suction catheter

Light guide rod for dental light irradiator

An imaging module of the invention includes: an image-sensing unit that includes an image-sensing device; a lens that has a front end and is optically connected to the image-sensing device; and a frame that is fixed in position with respect to the image-sensing device and includes a lens barrel having an insertion space, into which the front end is to be inserted in at least an optical axis direction. In a state where movement of the lens in a direction intersecting with the optical axis direction is limited, the insertion space is capable of receiving the lens in the direction such that the lens approaches the image-sensing device. The lens is fixed to the lens barrel at a position at which the lens is optically connected to the image-sensing device.

Imaging module, endoscope, and method of manufacturing imaging module

Provided is a tracheal tube that can be easily inserted into the inside of a subject and enables real-time observation of a state after tracheal intubation. The tracheal tube () includes a hollow tube body (), a lumen (), and a scope unit (), wherein the tube body () is inserted into the subject, the lumen () is mounted to the tube body (), and the scope unit () includes a cable portion () inserted in the lumen () and an imaging optical system mounted to the distal end of the cable portion (), the imaging optical system including an imaging device configured to image the inside of the subject.

Tracheal tube

An endoscope includes: an imaging device chip having a chip connection portion; a tubular housing tube used to a scope tip portion of an endoscope; a substrate to which the imaging device chip is fixed, the substrate having a substrate connection portion, the substrate being capable of bending at near the substrate connection portion when the substrate is inserted into the housing tube; a lead wire connecting the substrate connection portion and the chip connection portion; flexible and non-conductive resin covering an entirety of the lead wire; and an imaging module including the substrate provided with the imaging device chip thereon, the imaging module inserted into the housing tube.

Endoscope imaging module

An imaging module is capable of being used a two or more limited number of times. The imaging module includes: a CMOS imaging sensor; and a counter memory in which the number of use times is stored, the number of use times being the number of times the imaging sensor is used.

Imaging module and imaging system including same

A lighting structure includes: an optical transmission medium that transmits pumping light and image light; an objective optical system that is disposed at a distal-end portion of the optical transmission medium; a wavelength conversion unit comprising a fluorescent body that receives the pumping light transmitted through the optical transmission medium and irradiates an object with illuminating light; and a wavelength-selective reflective unit that selectively reflects one of a wavelength of the pumping light and a wavelength of the image light, thereby emits pumping light that is incident thereto through the optical transmission medium into the fluorescent body and emits image light that is incident from the object into the optical transmission medium through the objective optical system.

Lighting structure and endoscope

An imaging mechanism includes: an imaging device; a light receiving section that is provided on one surface of the imaging device; a cover member that covers the one surface of the imaging device and the light receiving section; and a lens unit that has a plurality of lenses including a plano-convex lens having a flat portion and a lens barrel, and that is optically coupled to the light receiving section, the lens barrel fixing the plurality of lenses, wherein the plano-convex lens having the flat portion is provided at a closest position to the imaging device in the plurality of lenses such that the flat portion faces the imaging device, and the flat portion protrudes from an end of the lens barrel toward the imaging device and is fixed to the cover member.

Imaging mechanism, endoscope, and method of manufacturing imaging mechanism

An imaging module of the invention includes: an electrical cable; a solid-state image sensing device; and a flexible wiring substrate including: a device-mounted portion onto which the solid-state image sensing device is mounted; two extended portions which bend at both sides of the device-mounted portion and extend from the device-mounted portion so as to come close to each other with increasing distance from the device-mounted portion; two connection end portions extending from the two extended portions along the direction of the axis of the front end of the electrical cable on an opposite side of the device-mounted portion; and terminals which are provided on the two connection end portions and connected to the electrical cable, the flexible wiring substrate electrically connecting the solid-state image sensing device and the electrical cable.

Imaging module, lens-attached imaging module, endoscope, method of manufacturing imaging module, and flexible wiring substrate formation apparatus

[Problem] To provide a guidewire that has good operability and that can perform procedures efficiently. [Solution to Problem] A guidewire is for guiding insertion of a medical appliance into a subject. The guidewire includes an inserting portion and an observation optical system. The inserting portion has a first part and a second part that has higher flexibility than the first part, and the inserting portion is to be inserted into the subject. The observation optical system is provided to the inserting portion, and the observation optical system is provided for observing inside the subject.

Guidewire

An optical fiber structure according to the present application includes a cylindrical resin body, and a plurality of circumferential arrays of optical fiber bare wires disposed within the resin body and extending along a longitudinal direction of the resin body. The resin body includes a linear slit provided at a location intermediate the length of the resin body. The linear slit extends from an outer surface to an inner bore of the resin body and extending substantially parallel to the bare wires.

Optical fiber structure, illumination unit, endoscope, and a method of manufacturing an optical fiber structure

An imaging module of the invention includes: an electrical cable; a solid-state image sensing device; and a three-dimensional wiring base in which a mount surface is provided on a molded product. The mount surface has two opposed apexes which sandwich a central portion therebetween and is molded so that the distance between the two apexes is the longest in distances between two points on sides of the mount surface, a cross section parallel to the mount surface of the three-dimensional wiring base is equal to the mount surface or smaller than the mount surface, and the distance between two points that is the longest in distances on sides of a shape in a plan view of the solid-state image sensing device is equal to or shorter than the distance between the two apexes.

Imaging module, insulating-tube-attached imaging module, lens-attached imaging module, and endoscope

An imaging part of an electronic visualized catheter including, an object lens system, and a solid state imaging element which is positioned to receive light output from the object lens system and which photoelectrically converts the light output from the object lens system into an electric signal, wherein an output lens face of the object lens system is planar, and the output lens face is joined to a light receiving surface of the solid state imaging element.

Structure of imaging part in electronic visualized catheter

A small bowel endoscopic system of an ileus tube type using a monolithic composite optical fiber that can be applied with an ileus tube employed to administer a contrast agent or the like to a patient suffering from ileus and which is an integral assembly of a large-diameter optical fiber with a core/cladding structure intended for laser light transmission and a multi-core image fiber section surrounding that optical fiber to enable image transmission.

Growing community of inventors

Sakura, Japan

Kenichi Nakatate