Olympus Medical Systems Corporation

Olympus Corporation

Satori Electric Co., Ltd.

Shinsuke Tanaka

Masaki Takahashi

Hironobu Takizawa

Akio Uchiyama

Hironao Kawano

Takeshi Yokoi

Tetsuo Minai

Katsumi Hirakawa

Kazuaki Tamura

Tatsuya Orihara

Miho Katayama

Takeshi Mori

Keita Suzuki

Takeshi Suga

Atsushi Chiba

Manabu Fujita

Isao Aoki

Junichi Uchida

Isao Inagaki

Sei Hikawa

Yutaka Koshikawa

A housing includes a case member having an opened front face, and a cover member firmly fixed with the case member to close the opened front face of the case member. The case member has a penetration hole penetrating its side face. A movable part includes an inner member disposed inside the housing to control a circuit, and an outer member being a discrete piece from the inner member and exposed outside the housing to be manipulated by a user. The outer member includes a shaft part inserted through the penetration hole.

Switch

A body-introducable apparatus includes: a light source unit having a first light source that outputs first light and a second light source that outputs second light in a wavelength band different from that of the first light; a light distribution matching unit that matches distributions of the first light and the second light; an illuminating control unit that illuminates the inside of the subject by driving the light source unit; and an imaging unit that captures an image of the inside of the subject.

Body-introducable apparatus and medical system

A sealing structure has: a plate portion that is formed with a harder material than a bendable substrate and interposes an electronic device via the substrate from a top surface and a back surface of the substrate on which the electronic device is mounted; and an elastic body that is provided on an outer periphery of the plate portion to cover a part of the plate portion and integrally molded so as to press the plate portion against the substrate.

Sealing structure and antenna apparatus

A capsule-medical-device dedicated power source starter that allows switching, by an application of a magnetic field to a magnetic switch that is provided in an inside of a capsule medical device and has a particular sensitivity direction in the magnetic field, a driving of the capsule medical device from an OFF state to an ON state, includes: an insertion part that is formed in a central axis direction and to which the capsule medical device is inserted so that a longitudinal axis direction of the capsule medical device is along the central axis direction; and a magnetic circuit that generates magnetic force lines which are substantially symmetric about the central axis as an axis of symmetry in any planar surfaces including the central axis of the insertion part.

Capsule-medical-device dedicated power source starter

An antenna apparatus is configured to acquire information from a body-insertable apparatus that is configured to be inserted into a subject to move inside the subject. The antenna apparatus includes an antenna that includes one sheet on which plural receiving antennas are fixed and in which a first positioning hole is formed; and an antenna holder that includes a container portion which is configured to hold the antenna at a predetermined position and in a predetermined orientation and in which second positioning hole is formed at a position corresponding to the first positioning hole when the antenna is held. The antenna holder is configured to be attached to a predetermined position of the subject using the first and second positioning holes as an index when the antenna is held in the antenna holder.

Antenna apparatus, antenna, antenna holder, and body-insertable apparatus system

An indwelling apparatus () for holding a capsule endoscope () is arranged with a control device () including an optical sensor (), a control board () configuring a controller and a reset circuit, a driver board () configuring an electromagnet driver, and an electromagnet (), where when the optical sensor () detects the light, the controller performs the drive control of the electromagnet () at every constant time interval to turn ON the reed switch () and supply power to the capsule endoscope () thereby operating the capsule endoscope () only when observation is necessary, and thus the battery drain of the capsule endoscope is reduced.

Indwelling apparatus for body cavity introducing device and body cavity introducing device placing system

Using a guidance system with a simple configuration, propulsive motion along a longitudinal direction and changing of the propulsion direction are easily performed with good precision and stability. There is provided a capsule-type medical apparatus which is inserted into the body of a subject and is guided by an external magnetic field, the capsule-type medical apparatus comprising: a substantially cylindrical capsule; a propulsion mechanism for converting rotary motion about a longitudinal axis R of the capsule into propulsive motion along the longitudinal axis R; a magnet accommodated inside the capsule and disposed in such a manner that the magnetic-pole direction thereof can be switched between a direction along the longitudinal axis R and a direction intersecting the longitudinal axis R; and a securing portion for securing the magnet to the capsule in each of the switched states of the magnetic-pole direction.

Capsule-type medical apparatus, guidance system and guidance method therefor, and intrasubject insertion apparatus

A body-insertable apparatus includes a light-receiving unit that includes light-receiving elements each having a receiving wavelength spectrum; light-emitting units including a near ultraviolet light source and including a yellow light source; a selection unit that can select, from among the light-emitting units, light-emitting units corresponding respectively to the near ultraviolet and the yellow light sources; an image creating unit creating a normal-light image or creating a special-light image; a transmitting unit transmitting the normal-light image or the created special-light image; and a control unit controlling driving of the light-receiving elements in accordance with selection performed by the selection unit.

In-vivo imaging system and body-insertable apparatus

A capsule medical apparatus system includes a rotating magnetic field generation apparatus that generates a desired rotating magnetic field in three-dimensional directions, a capsule medical apparatus that includes a magnet and a needle for puncture that can be projected and retracted in a rotation direction of the rotating magnetic field and is rotated in the direction of the rotating magnetic field when the rotating magnetic field is applied to the magnet, a step-out operation detecting unit that detects a step-out operation by which the capsule medical apparatus is inversely rotated when a luminal surface is punctured with the needle, and a magnetic-field control instructing unit that controls the rotating magnetic field generation apparatus on the basis of a detection result performed by the step-out operation detecting unit.

Capsule medical apparatus system

A body-insertable apparatus according to an aspect of the present invention is introduced into a subject to inject medical agent stored in a casing into a desired part in the subject. The body-insertable apparatus includes a fixing unit which fixes the casing to the desired part; and a projecting unit which projects, from the casing, an injection needle for injecting the medical agent. The fixing unit and the projecting unit are driven by a driving source.

Body-insertable apparatus and medical agent discharge method

A capsule medical apparatus to be introduced into a subject includes a tissue collecting unit that collects in-vivo tissue; a storage unit that stores therein the in-vivo tissue that is collected by the tissue collecting unit; a liquid storing unit that stores therein liquid for suppressing autolysis of in-vivo tissue; a liquid supplying unit that supplies the liquid in the liquid storing unit to the storage unit; and a control unit that allows, in response to an instruction to start collecting the in-vivo tissue, the tissue collecting unit to collect desired in-vivo tissue and to store the collected in-vivo tissue in the storage unit and that then allows the liquid supplying unit to supply the liquid to the storage unit and makes the storage unit be in a liquid-tight state.

Capsule medical apparatus

A body-insertable apparatus system has a body insertable apparatus that is inserted into a subject and a control apparatus. The body-insertable apparatus includes a magnetic responding unit that is provided within a casing forming the body-insertable apparatus and has a magnetization direction; and a needle that is protruded and retracted with respect to a surface of the casing. The control apparatus includes a magnetic field generator that generates a magnetic field; and a control unit that causes the magnetic field generator to generate a magnetic field for changing an orientation of the magnetic responding unit based on the magnetization direction of the magnetic responding unit in the body-insertable apparatus, a position of the needle in the body-insertable apparatus, and a distal end direction of the needle, thereby changing an orientation of the entire body-insertable apparatus to enable the protruded needle to puncture a puncture target layer.

Body-insertable apparatus system

A capsule medical apparatus includes a needle driving unit that punctures an internal region of a subject with an injection needle and pulls out the injection needle from the internal region, a liquid injection unit that injects a liquid into the internal region through the injection needle, and a leak prevention unit that prevents the liquid that is injected into the internal region from leaking from the internal region.

To stably and properly monitor an inside of a body by using an easily operable placement technique, a capsule endoscopeto be swallowed from an oral cavityto acquire in-vivo information of a subjectand to wirelessly output for a transmission of the in-vivo information to an outside of a body, a string memberthat is connected to the capsule endoscopefor positioning the capsule endoscopeat a gastric cardia, and a fixing portionthat is a portion of the string member, is provided on a position with which a length from the capsule endoscopecorresponds to a length from the gastric cardiato the inside of an esophageal regionfor fixing the string memberthat has located the capsule endoscopeat the gastric cardiato the inside of the esophageal regionby an endoscopic fixture are included. As a result, the capsule endoscopeis placed at a position of the gastric cardiawhere an entire inside of the stomach is easily inspected, and the capsule endoscopeitself can easily be placed inside the esophageal region by using the fixing portion

In-vivo information acquiring apparatus, in-vivo information acquiring system, and in-vivo information acquiring method

A capsule medical device includes a capsule-shaped casing that can be introduced into an in-vivo region of a subject; and a rotation driving unit that generates torque along a circumferential direction of the capsule-shaped casing. The capsule medical device also includes a cutting-obtaining unit that rotates along the circumferential direction of the capsule-shaped casing due to the torque to cut out and obtain a mass of body tissue from the in-vivo region of the subject.

Growing community of inventors

Hino, Japan

Shinsuke Tanaka