Patents by Inventor Hironobu Takizawa

Hironobu Takizawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8269823
    Abstract: An object of the present invention is to continuously display a series of images of the inside of the subject until the intra-body indwelling capsule is placed at the desired site in the subject, and to easily place the intra-body indwelling capsule endoscope at the desired site. The intra-subject indwelling system 1 according to the present invention includes an endoscope device 14 for imaging a first image of the inside of the subject; an intra-body indwelling capsule 2, for imaging a second image of the inside of the subject; a monitor device 12 for receiving the second image; a receiving device 13, a monitor 11 for displaying the first image or the second image; and an image switching device 10. The intra-body indwelling capsule 2 is arranged at the distal end of the inserting unit 5, and the separation from the inserting unit 5 is detected and the separation detection result is transmitted. The receiving device 13 receives the separation detection result.
    Type: Grant
    Filed: July 13, 2006
    Date of Patent: September 18, 2012
    Assignees: Olympus Corporation, Olympus Medical Systems Corp.
    Inventors: Katsumi Hirakawa, Takeshi Yokoi, Akio Uchiyama, Shinsuke Tanaka, Hironobu Takizawa
  • Publication number: 20120226092
    Abstract: Provided is an intra-subject medical system which includes a body-insertable device and a physical quantity generator. The body-insertable device is to be introduced into a subject, is covered by a capsule-shaped exterior member, and includes a physical quantity detecting member which has a directivity to detect a predetermined physical quantity; at least one functional member which has a necessary function for examining or treating inside the subject; and a switch control unit which controls an on/off states or operation mode of the at least one functional member when the physical quantity detecting member detects a physical quantity. The physical quantity generator has a physical quantity emitting unit which emits a temporary physical quantity inside the subject; and a physical quantity direction changing unit which changes an emission direction of the physical quantity.
    Type: Application
    Filed: February 29, 2012
    Publication date: September 6, 2012
    Applicant: Olympus Medical Systems Corp.
    Inventors: Hironao Kawano, Hironobu Takizawa, Akio Uchiyama, Atsushi Chiba, Takeshi Yokoi, Hideo Ito, Hidetake Segawa
  • Patent number: 8257257
    Abstract: A capsule type medical device is of a type of a capsule type medical device that is introduced inside the living body to gather in-vivo information, and comprises a capsule shaped casing; an in-vivo information acquisition device for acquiring the in-vivo information; a communication device for sending the in-vivo information acquired by the in-vivo information acquisition device to outside of the living body by wireless; at least one pair of first electrodes provided in a vicinity of one end along an axis of the casing for giving electric stimulation to body tissue in the living body; a first current control device for sending current to the first electrodes; and an interelectrode distance variation device for changing a distance between the electrodes.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: September 4, 2012
    Assignee: Olympus Corporation
    Inventors: Hironobu Takizawa, Akio Uchiyama, Hironao Kawano, Takeshi Yokoi, Masatoshi Homan
  • Patent number: 8202247
    Abstract: A capsule medical apparatus includes a living tissue drawing portion in which a space for drawing the living tissue into a body of the capsule medical apparatus is formed; a movable unit that includes an engaging unit, which can be engaged with the living tissue of the subject, and that moves on a surface of the body of the capsule medical apparatus and in the living tissue drawing portion; an injection needle that has an ejection port for a drug and that protrudes such that the ejection port is positioned in the living tissue drawing portion; and an injection needle driver that drives the injection needle such that the injection needle protrudes.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: June 19, 2012
    Assignee: Olympus Medical Systems Corp.
    Inventors: Shinsuke Tanaka, Hironao Kawano, Hironobu Takizawa, Miho Katayama, Keita Suzuki
  • Patent number: 8192346
    Abstract: A housing apparatus includes housing units in which a plurality of permanent magnets are housed, respectively; binding units which are arranged in the housing units, respectively, and bind the permanent magnets in the housing units, respectively; permanent magnet detectors which are arranged in the housing units, respectively, and detect whether the permanent magnets are housed in the housing units, respectively; and a control unit which controls the binding units to selectively keep the permanent magnets in a binding state or a nonbinding state on the basis of detection results of the permanent magnet detectors.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: June 5, 2012
    Assignee: Olympus Medical Systems Corp.
    Inventors: Hironao Kawano, Hironobu Takizawa
  • Patent number: 8195276
    Abstract: There is provided an in-vivo information acquisition apparatus capable of detecting high-accuracy in-vivo information substantially at the same time in a plurality of different examination sites in a body cavity and an in-vivo information acquisition apparatus system capable of introducing a plurality of in-vivo information acquisition apparatuses into a patient at the same time. The in-vivo information acquisition apparatus includes a specimen-collecting section for collecting a specimen at an examination site in a body cavity, a specimen-evaluating section for evaluating the specimen collected by the specimen-collecting section and outputting an evaluation result, a labeling section having identification information unique to the in-vivo information acquisition apparatus, a communication section for receiving a signal transmitted from the outside and for transmitting to the outside the evaluation result output by the specimen-evaluating section, and a power supply section for supplying electrical power.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: June 5, 2012
    Assignee: Olympus Corporation
    Inventors: Akio Uchiyama, Hironobu Takizawa, Ryo Karasawa
  • Patent number: 8177715
    Abstract: A capsule medical system is provided with a capsule medical device to be inserted into a subject, at least one electrode pad having a plurality of receiving electrodes, a receiving electrode switching unit, a control unit for controlling operations of the receiving electrode switching unit, and a position detector. The capsule medical device has a biological information acquiring unit for acquiring biological information of the subject, and a transmitting unit for outputting the biological information from a transmitting electrode through a living body. At least one electrode pad detects the biological information by a plurality of receiving electrodes. The receiving electrode switching unit switches a pair of receiving electrodes among the plurality of receiving electrodes. The position detector detects a position of the capsule medical device inside the subject based on the biological information detected by the electrode pad, and position coordinate data of the plurality of receiving electrodes.
    Type: Grant
    Filed: November 28, 2008
    Date of Patent: May 15, 2012
    Assignees: Olympus Medical Systems Corp., Olympus Corporation
    Inventors: Atsushi Chiba, Akio Uchiyama, Hironobu Takizawa, Ryoji Sato, Atsushi Kimura, Tetsuo Minai, Takeshi Mori
  • Patent number: 8167789
    Abstract: An image processing system includes an orientation specifying unit that specifies orientation of the body-insertable apparatus at the time of capturing the image data with respect to a reference direction, a rotation correcting unit that performs rotation correction on image data based on the specified orientation, a screen generating unit that generates a screen displaying the image data, an average color bar generating unit that calculates an average color of the image data, generates an image of the calculated average color, and generates an average color bar in which images of the generated average colors are connected in accordance with order of the image data, and an organ image generating unit that generates an organ image obtained by superimposing the images of the average colors generated by the average color bar generating unit. The screen generating incorporates the average color bar and the organ image into the screen.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: May 1, 2012
    Assignee: Olympus Medical Systems Corp.
    Inventors: Ryoji Sato, Hironobu Takizawa, Yasuharu Oda, Katsuyoshi Taniguchi
  • Patent number: 8162821
    Abstract: 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 endoscope 1 introduced into a subject and a permanent magnet 3. An imaging unit of the capsule endoscope 1 for taking an image inside the subject is fixed in a casing. The capsule endoscope 1 includes a drive unit for changing at least one of the position and posture of the casing in the liquid 2a which is also introduced in the subject 100. The permanent magnet 3 controls the operation of the drive unit for changing at least one of the position and posture of the casing in the liquid 2a.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: April 24, 2012
    Assignee: Olympus Medical Systems Corp.
    Inventors: Hironao Kawano, Hironobu Takizawa, Hidetake Segawa, Isao Aoki, Katsumi Hirakawa, Satomi Kobayashi, Hideo Ito
  • Patent number: 8147403
    Abstract: A capsule propulsion device has: at least one acoustic streaming generator for generating acoustic streaming as a flow of the a medium in a space; a control unit for driving and controlling the acoustic streaming generator; and a distance obtaining unit for obtaining an object distance between the acoustic streaming generator and an object existing in the space. The control unit drives and controls the acoustic streaming generator on the basis of the distance information obtained by the distance obtaining unit.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: April 3, 2012
    Assignee: Olympus Medical Systems Corp.
    Inventors: Masaki Takahashi, Hironao Kawano, Hironobu Takizawa
  • Patent number: 8100888
    Abstract: A capsulated body having a facility, which acquires biomedical information through endoscopic examination or the like, incorporated therein is inserted into a duct within a living body. Whether the capsulated body has halted for a certain period of time is detected from the time-varying position of the capsulated body or a time-passing change in an image. If it is judged that the capsulated body has halted at a stenosed region or the like, the fact is notified so that the capsulated body can be collected immediately.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: January 24, 2012
    Assignee: Olympus Corporation
    Inventors: Hidetake Segawa, Hironobu Takizawa, Hideyuki Adachi, Takeshi Yokoi
  • Patent number: 8100889
    Abstract: A body-insertable apparatus is introduced in a subject to perform at least one of input and output of a predetermined fluid to and from the subject. The body-insertable apparatus includes a reservoir (2) in which the predetermined fluid is stored; a first communicating channel (4) whose one end is opened to an inside of the reservoir, the first communicating channel (4) being extended in a predetermined direction; a second communicating channel (5) whose one end is opened to an outside space of the body-insertable apparatus, the second communicating channel (5) being extended in a direction substantially parallel to the first communicating channel (4), and the second communicating channel (5) partially running parallel to the first communicating channel (4); and a control mechanism (6) which controls a communication state between the first communicating channel (4) and the second communicating channel (5).
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: January 24, 2012
    Assignee: Olympus Corporation
    Inventors: Hironao Kawano, Hironobu Takizawa
  • Patent number: 8091164
    Abstract: There is provided an assisting table capable of horizontally holding a subject and holding an angle at which a head of a subject is supported in an inclined state, and an assisting instrument, which includes a containing portion for containing a fluid to introduce a capsule medical device into a body cavity, capable of ejecting a capsule medical device with the fluid from the containing portion by detachably attaching the capsule medical device at a distal end opening portion of the containing portion and by changing a shape of the containing portion.
    Type: Grant
    Filed: December 28, 2004
    Date of Patent: January 10, 2012
    Assignee: Olympus Corporation
    Inventors: Hidetake Segawa, Takeshi Yokoi, Akira Kikuchi, Hironobu Takizawa, Akio Uchiyama
  • Publication number: 20110319715
    Abstract: An encapsulated endoscope system in accordance with the present invention comprises: an encapsulated endoscope that rotates to develop a thrust; a controller that moves the encapsulated endoscope in an intended direction of advancement; an imaging unit incorporated in the encapsulated endoscope; and an image processing unit that receives image data sent from the imaging unit, and produces an image, which results from rotation of the received image data, according to the rotational phase of the encapsulated endoscope.
    Type: Application
    Filed: September 1, 2011
    Publication date: December 29, 2011
    Applicant: OLYMPUS CORPORATION
    Inventors: Akio Uchiyama, Hironobu Takizawa, Takeshi Yokoi, Hitoshi Mizuno
  • Patent number: 8062210
    Abstract: An encapsulated endoscope system in accordance with the present invention comprises: an encapsulated endoscope that rotates to develop a thrust; a controller that moves the encapsulated endoscope in an intended direction of advancement; an imaging unit incorporated in the encapsulated endoscope; and an image processing unit that receives image data sent from the imaging unit, and produces an image, which results from rotation of the received image data, according to the rotational phase of the encapsulated endoscope.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: November 22, 2011
    Assignee: Olympus Corporation
    Inventors: Akio Uchiyama, Hironobu Takizawa, Takeshi Yokoi, Hitoshi Mizuno
  • Patent number: 8060172
    Abstract: An in-vivo information measurement apparatus having an insertion part; a light projection unit, provided at a tip of the insertion part, irradiates an examination site with intensity-modulated light which is intensity modulated at a first frequency; a light receiving unit receives return light from the examination site; an optical detector detects return light; an in-vivo information calculation unit calculates in-vivo information for the examination site based on a phase shift between a modulated detection signal, a detection signal from the optical detector is modulated at a second frequency, and a reference signal having a difference frequency equal to the difference between the first frequency and the second frequency; and a position moving mechanism moves at least one of a position at which the intensity-modulated light is emitted by the light projection unit and the position at which the return light is incident on the light receiving unit.
    Type: Grant
    Filed: March 22, 2005
    Date of Patent: November 15, 2011
    Assignee: Olympus Corporation
    Inventors: Yasushige Ishihara, Naoki Miura, Hironobu Takizawa, Tianyu Xie
  • Patent number: 8038600
    Abstract: A medical system includes: a medical device to be inserted into the body cavity; a rotating device for the medical device for rotating the medical device around the insertion axis; an image pickup device provided to the medical device; and an image capturing timing detection device for detecting a signal regarding image capturing timing performed by the image pickup device. Furthermore, the medical system includes: a rotating angle acquisition device for acquiring the rotating angle of the rotating device for the medical device regarding the image capturing timing in response to the output of the image capturing timing detection device; and an image acquisition device for performing rotation processing for the image captured by the image pickup device based upon the information regarding the rotating angle acquired by the rotating angle acquisition device, thereby acquiring the image subjected to a rotation processing.
    Type: Grant
    Filed: November 25, 2005
    Date of Patent: October 18, 2011
    Assignee: Olympus Corporation
    Inventors: Akio Uchiyama, Isao Aoki, Shinsuke Tanaka, Hironobu Takizawa, Hironao Kawano
  • Patent number: 8033989
    Abstract: An encapsulated endoscope system in accordance with the present invention comprises: an encapsulated endoscope that rotates to develop a thrust; a controller that moves the encapsulated endoscope in an intended direction of advancement; an imaging unit incorporated in the encapsulated endoscope; and an image processing unit that receives image data sent from the imaging unit, and produces an image, which results from rotation of the received image data, according to the rotational phase of the encapsulated endoscope.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: October 11, 2011
    Assignee: Olympus Corporation
    Inventors: Akio Uchiyama, Hironobu Takizawa, Takeshi Yokoi, Hitoshi Mizuno
  • Patent number: 8021356
    Abstract: This capsule medication administration system includes: a capsule type medical device which includes a drug retention section, a drug release section which releases a drug which is retained in the drug retention section, and a communication section which sends and receives signal between the outside; an external device which includes an external communication section which sends and receives signal between the capsule type medical device; a condition input section which inputs conditions for operating the drug release section to the external device; an information acquisition section which acquires information for comparison with conditions which have been inputted by the condition input section; and a comparison section which compares together the information which has been acquired by the information acquisition section and the conditions which have been inputted with the condition input section; and the drug release section is controlled based upon the result of comparison.
    Type: Grant
    Filed: September 27, 2004
    Date of Patent: September 20, 2011
    Assignee: Olympus Corporation
    Inventors: Akio Uchiyama, Hironobu Takizawa, Hidetake Segawa, Hironao Kawano
  • Patent number: 8021357
    Abstract: A body-insertable apparatus including a balloon for storing a medical fluid in a capsule-like casing, and an injection needle including an elastic membrane. The body-insertable apparatus discharges the medical fluid due to contraction of the balloon, applies a discharge pressure of the medical fluid to the elastic membrane to expand the elastic membrane, and projects the injection needle from the casing due to the expansion of the elastic membrane. Further, the body-insertable apparatus has a channel forming unit for forming a channel connecting to the balloon and a channel connecting to the injection needle, and a communication adjusting mechanism. The communication adjusting mechanism adjusts a communicated state between the channels and, thereby controlling the start of medical-fluid discharge operation by the balloon.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: September 20, 2011
    Assignee: Olympus Corporation
    Inventors: Shinsuke Tanaka, Hironao Kawano, Hironobu Takizawa