Olympus Corporation

Olympus Medical Systems Corporation

Siemens Aktiengesellschaft

Siemens Healthcare Gmbh

Hironao Kawano

Masaki Takahashi

Takeshi Mori

Hironobu Takizawa

Akio Uchiyama

Hidetake Segawa

Shinsuke Tanaka

Takeshi Yokoi

Atsushi Chiba

Masatoshi Homan

Hideo Ito

Kenichi Arai

Kazushi Ishiyama

Isao Aoki

Masahiko Sendoh

Katsumi Hirakawa

Ryoji Sato

Ayako Nagase

Miho Katayama

Atsushi Kimura

Yuya Tanaka

Aleksandar Juloski

Satomi Kobayashi

Rainer Alfred Kuth

Kazuhiko Takahashi

Keita Suzuki

Seiichiro Kimoto

Takeshi Nishiyama

Toshiaki Shigemori

Johannes Reinschke

Manabu Fujita

Tatsuya Orihara

Mario Bechtold

Hideki Shimonaka

Katsuyoshi Taniguchi

Wolfgang Schmidt

Henrik Keller

Akira Kikuchi

Yusuke Suzuki

Takuto Ikai

Akio Olympus Ip Services Co Ltd Uchiyama

Hidetake;c/o Olympus Intellectual Property Segawa

An antenna holder includes: an antenna attachment portion attached with a plurality of receiving antennas configured to receive wireless signals transmitted from a medical device introduced into a subject; and a fitting portion where the antenna attachment portion is detachably attached and that is fitted on the subject. The antenna attachment portion includes: a plurality of antenna fixing portions where at least one of positions of the plurality of receiving antennas is fixed; an interlinking portion configured to variably interlink relative positions of the plurality of antenna fixing portions; and a first attachment portion attached to the fitting portion. The fitting portion includes: a second attachment portion where the first attachment portion is detachably attached, the second attachment portion being configured to determine positions of the plurality of antenna fixing portions upon fitting of the plurality of antenna fixing portions on the subject, according to build of the subject.

Antenna holder and antenna attachment portion

A guidance apparatus includes: a magnetic field generator configured to generate a magnetic field that acts on a magnet; a magnetic field shielding material configured to shield the magnetic field generated by the magnetic field generator; an operation input device configured to receive an input of at least one of a target position and a target posture for guiding a position and a posture of a capsule medical apparatus; and a controller configured to control the magnetic field generator to generate a magnetic field that has been corrected to offset or reduce a deviation amount of the position or the posture of the capsule medical apparatus with respect to the target position or the target posture, caused by distortion, due to the magnetic field shielding material, of a magnetic field for guiding the capsule medical apparatus to at least one of the target position and the target posture.

Guidance apparatus and capsule medical apparatus guidance system

A capsule medical device guidance system includes: a capsule medical device including a permanent magnet and configured to be introduced into a subject; a magnetic field generator configured to generate a magnetic field to be applied to the capsule medical device; an operation input device configured to input operation information; and a processor including hardware. The processor is configured to: control the magnetic field generator, based on the operation information input from the operation input device, to change the magnetic field to change at least one of the position and the posture of the capsule medical device; obtain control information for the magnetic field generator in a state where forces acting on the capsule medical device are balanced before starting or when starting operation on the operation input device; and control the magnetic field generator by using the control information after the operation is finished.

Capsule medical device guidance system

A guidance device includes: a magnetic field generation unit configured to generate the magnetic field; a movement mechanism configured to move the magnetic field generation unit in a vertical direction; a rotation mechanism configured to rotate the magnetic field generation unit in a vertical plane including a magnetization direction of the magnetic field generation unit; an input unit configured to input first operation information for changing posture of a capsule medical device; and a control unit configured to: cause the rotation mechanism to rotate the magnetic field generation unit to change the posture of the capsule medical device based on the first operation information; and control the movement mechanism to change a distance between the magnetic field generation unit and the capsule medical device to correct a magnetic attracting force in a vertical direction of the capsule medical device.

Guidance device and capsule medical device guidance system

A capsule endoscope system includes: a capsule endoscope configured to be introduced into a subject and having a magnetic field response unit configured to respond to a magnetic field and having an imaging unit configured to image an object; a magnetic field generating unit configured to generate the magnetic field to guide the capsule endoscope; an input unit configured to input commands for changing at least one of a position and a posture of the capsule endoscope; a setting unit configured to set a reference distance between the imaging unit and the object; a detection unit configured to detect a distance between the object and the imaging unit; and a magnetic field controller configured to control the magnetic field generating unit to generate the magnetic field based on the distance and the commands while a difference between the distance and the reference distance is maintained within a certain range.

Capsule endoscope system and magnetic field generating device

A position detection system includes: a capsule medical device configured to generate a position-detecting magnetic field; a plurality of detection coils arranged outside a subject; and a processor including hardware. The processor is configured to correct a magnetic field component caused by a first magnetic field generation material with respect to each of measurement values of detection signals output from the detection coils, the first magnetic field generation material being arranged inside a space that the position-detecting magnetic field generated by the capsule medical device present inside a detection target region is reachable, the detection target region being a region in which a position of the capsule medical device is detectable, the first magnetic field generation material being configured to generate a magnetic field due to action of the position-detecting magnetic field.

Position detection system and position detection method

A guiding device is configured to guide a capsule medical device within a subject by means of a magnetic field. The guiding device includes a magnetic field generating unit configured to generate the magnetic field to define a specific position where the capsule medical device is restrained on an arbitrary horizontal plane, a position detecting unit configured to detect a position of the capsule medical device in the subject to output positional information, and a control unit configured to: compare a distance between the specific position and the capsule medical device with a first threshold value based on the positional information; and control the magnetic field generating unit to change distribution of the magnetic field relative to the capsule medical device so as to bring the specific position close to a position of the capsule medical device when the distance is determined to be greater than the first threshold value.

Guiding device for changing magnetic field to change restrained position for restraining capsule medical device relative to position of capsule medical device, and capsule medical device guiding system

A capsule medical device guidance system includes: an imaging unit arranged inside a capsule medical device; a guidance unit configured to guide the capsule medical device inside a subject; a display unit including a screen is displayed; a first operation input unit configured to input first instruction information for changing at least one of a position and a posture of the capsule medical device; a second operation input unit configured to input second instruction information for rotating within the screen, the image displayed on the screen, around a center of the image; a guidance controller configured to control the guidance unit so as to change at least one of the position and the posture of the capsule medical device, based on the first instruction information; and a display controller configured to control a direction of the image displayed on the screen based on the second instruction information.

The specific gravity of a capsule-type endoscope according to the invention is set to be lower than that of liquid in an organ, so that the capsule-type endoscope is floated on a liquid surface of the liquid. A center of gravity of the capsule-type endoscope is set to a position deviated from a center of a casing, so that the casing is maintained in a specific floating position while being floated on the liquid surface. A boundary between the casing and the liquid surface is formed within a projection plane, which is obtained by projecting the casing in the specific floating position perpendicularly to the liquid surface, at a position excluding an outer periphery of the projection plane Ka.

Capsule-type medical device and method of monitoring esophagus inside and stomach inside, method of monitoring stomach inside and method of washing stomach using the same

A capsule endoscope system includes: a capsule endoscope configured to be introduced into a subject; a guiding unit that generates a magnetic field to guide the capsule endoscope; a guidance magnetic field control unit that switches between ON and OFF of the magnetic field; a body posture discriminating unit that discriminates a body posture of the subject; a model extracting unit that extracts a body posture model according to the body posture of the subject, from among prepared body posture models, and extracts an organ model according to the body posture of the subject, from among prepared organ models; and a display control unit configured to: superimpose the organ model according to the body posture of the subject, on the extracted body posture model when the magnetic field is ON; and display the extracted body posture model and to hide the organ model when the magnetic field is OFF.

Capsule endoscope system

A medical guidance system and a control method of a medical device are provided, which may increase the drive force of a medical device and improve controllability thereof. The medical guidance system has a medical device that includes a biologic information acquisition unit that acquires biologic information of the inside of a body cavity and a magnet that generates drive force in response to a magnetic field exerted from the outside of a body, a magnetic field generation unitthat generates the magnetic field to be exerted on the magnet from the outside of a body, and a displacement detection unitthat detects displacement being an angle formed between the magnetization direction of the magnet and the field direction of the magnetic field generated by the magnetic field generation unitat the position of the medical device; wherein the magnetic field generation unitis controlled based on the displacement.

Medical guidance system and control method of medical device

A guiding apparatus includes a magnetic field generation unit, a translation mechanism that translates the magnetic field generation unit relative to a subject, a rotation mechanism that rotates the magnetic field generation unit relative to the subject, an input unit that receives first and second information about operations for changing a position a posture of a capsule medical device, respectively and a control unit that controls the translation mechanism and the rotation mechanism on the basis of the first information and the second information such that the magnetic field generation unit is translated and rotated relative to the subject, wherein, when the input unit receives the second information, the control unit corrects a change in the position of the capsule medical device caused by the rotation of the magnetic field generation unit relative to the subject by translating the magnetic field generation unit relative to the subject.

Guiding apparatus and capsule medical device guiding system

A system for guiding a capsule medical device comprising a magnet from a state in which surface tension of a liquid surface acts on the capsule medical device, the system having: a magnetic guidance device that generates: a reciprocally rotating magnetic field to the magnet at a predetermined frequency around a horizontal axis parallel to the liquid surface; and a guidance magnetic field to the magnet; and a control device that controls the magnetic guidance device to: in a first step, generate the reciprocally rotating magnetic field to the magnet to rotate the capsule medical device to eliminate the effect of the surface tension on the capsule medical device, and in a second step after the first step, generate the guidance magnetic field to the magnet in a direction away from the liquid surface to move the capsule medical device away from the liquid surface.

System for guiding capsule medical device

A system includes a capsule body having a casing introduced into a subject to perform, in liquid, examination of or treatment on the interior of the subject, the casing containing a permanent magnet, a mass of the casing excluding the magnet being set to be less than a product of a volume of the casing and a density of the liquid; a magnetic field generator that generates a magnetic attraction for the magnet to guide the capsule body; and a magnetic field generation device that controls the magnetic field generator to generate the magnetic attraction by setting a maximum value of the generated magnetic attraction vertically upward to the capsule body, to be equal to a maximum value of the generated magnetic attraction vertically downward to the capsule body, and by setting the maximum values to be less than a value obtained by multiplying a mass of the magnet by a gravitational acceleration.

Capsule medical apparatus guidance system

An object of the present invention is to actively control at least one of the position and direction of the imaging field in a subject and to observe a desired observed region in the subject certainly in a short period of time. A body-insertable device system according to the present invention includes a capsule endoscopeintroduced into a subject and a permanent magnet. An imaging unit of the capsule endoscopefor taking an image inside the subject is fixed in a casing. The capsule endoscopeincludes a drive unit for changing at least one of the position and posture of the casing in the liquidwhich is also introduced in the subject. The permanent magnetcontrols the operation of the drive unit for changing at least one of the position and posture of the casing in the liquid

Body-insertable device system and in-vivo observation method

Growing community of inventors

Machida, Japan

Hironao Kawano