Patents by Inventor Sho Nakajima

Sho Nakajima 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).

  • Publication number: 20120050511
    Abstract: A medical apparatus includes: an image pickup apparatus introduced and retained in a body; a retaining/fixing section which contacts a body wall in the body, for retaining and fixing the image pickup apparatus at the body wall; plural operation wires operated from an extracorporeal side; and an observation direction control section which changes an observation direction of the image pickup apparatus by operation of the plural wires, and includes: an image pickup apparatus fixing section connected to the operation wires, which contacts an outer surface part of the image pickup apparatus; and a rotary section for supporting the retaining/fixing section and the image pickup apparatus fixing section so as to be separated from each other by a predetermined distance, and allowing the image pickup apparatus fixing section to rotate with respect to the retaining/fixing section with a rotation center as a fulcrum, based on operation of the plural operation wires.
    Type: Application
    Filed: July 7, 2011
    Publication date: March 1, 2012
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Misa TAKAHASHI, Nobuyoshi YAZAWA, Sho NAKAJIMA
  • Patent number: 8088065
    Abstract: A medical instrument includes an image pickup section incorporated in a medical instrument body and movably provided in the medical instrument body that picks up an image of the object to be examined from an observation window, a covering section movably provided at the medical instrument body so as to cover the observation window and in which an opening portion is formed, a drive section that drives the covering section or the image pickup section, and a control section that controls the drive section so as to drive the covering section or the image pickup section by synchronizing a timing for the image pickup section to pick up the object image with a timing at which the opening portion and the observation window match, and can thereby prevent sticking of deposits to the observation window and obtain a clear observation image.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: January 3, 2012
    Assignee: Olympus Medical Systems Corp.
    Inventors: Hitoshi Karasawa, Daisuke Asada, Sho Nakajima
  • Publication number: 20110254938
    Abstract: A medical apparatus of the present invention includes an image pickup apparatus provided for a medical instrument to pick up an image of a region to be examined in a body, a fixing section that keeps the image pickup apparatus indwelling in and fixed to a body wall in the body, a transmission section that extends from the image pickup apparatus and transmits a power or an electric signal to/from a device outside the body, and a shake absorption section that absorbs and suppresses shaking of the transmission section by means of a movable member connected to the transmission section and freely movable with respect to the image pickup apparatus and a holding member connected to the transmission section for holding the movable member in a freely movable manner, wherein when a treatment is applied to a subject in the body while observing the subject, the apparatus can suppress shaking of the image pickup apparatus left indwelling in the body, acquire an excellent observed image and prevent damage to a cable extend
    Type: Application
    Filed: June 14, 2011
    Publication date: October 20, 2011
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Daisuke ASADA, Sho NAKAJIMA, Nobuyoshi YAZAWA
  • Publication number: 20110046440
    Abstract: A medical apparatus which is introduced into a body includes an image pickup unit that picks up an image of the interior of the body, a communication cable that sends/receives a signal to/from an external device, an electric terminal section disposed at an end section of the communication cable, a drip-proof cap attached so as to cover the electric terminal section, a locking section provided at the drip-proof cap that locks a puncture needle for pulling the communication cable introduced into the body out of the body, and a dissection section provided at the drip-proof cap that dissects a body wall tissue when the cable wire is pulled out.
    Type: Application
    Filed: July 20, 2010
    Publication date: February 24, 2011
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Daisuke Asada, Sho Nakajima, Hideaki Kinouchi, Nobuyoshi Yazawa
  • Publication number: 20110046445
    Abstract: A medical instrument for observing the interior of a subject to be examined has an image pickup unit for picking up an image of the subject to be examined from a transparent cover member incorporated in the medical instrument, disposes a multi-bladed fan outside an image-pickup field of view of the image pickup unit, generates an airflow to an airflow outlet that causes the airflow to flow from the inlet port to the vicinity of an observation window, prevents adherents such as dirt from sticking to the cover member, prevents the adherents from sticking to the observation window of the observation apparatus without obstructing the field of view, and can thereby obtain a clear observed image.
    Type: Application
    Filed: July 23, 2010
    Publication date: February 24, 2011
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Daisuke ASADA, Sho NAKAJIMA, Hitoshi KARASAWA
  • Publication number: 20100249503
    Abstract: By including a camera body introduced into a body, an image pickup section incorporated in the camera body for picking up an image of an object, a transparent cover member movably disposed at the camera body that always covers an image taking side of the image pickup section irrespective of a moving position, a moving section that causes the cover member to move and a cleaning section disposed outside an image pickup range of the image pickup section that performs cleaning by jetting a fluid over the opposed surface part of the cover member moved to outside the image pickup range of the image pickup section, it is possible to always obtain a clear observation image without interfering with observation even when removing fogging, deposits such as dirt.
    Type: Application
    Filed: March 19, 2010
    Publication date: September 30, 2010
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Nobuyoshi YAZAWA, Daisuke ASADA, Sho NAKAJIMA, Hitoshi KARASAWA
  • Publication number: 20100249502
    Abstract: A medical instrument includes an image pickup section incorporated in a medical instrument body and movably provided in the medical instrument body that picks up an image of the object to be examined from an observation window, a covering section movably provided at the medical instrument body so as to cover the observation window and in which an opening portion is formed, a drive section that drives the covering section or the image pickup section, and a control section that controls the drive section so as to drive the covering section or the image pickup section by synchronizing a timing for the image pickup section to pick up the object image with a timing at which the opening portion and the observation window match, and can thereby prevent sticking of deposits to the observation window and obtain a clear observation image.
    Type: Application
    Filed: March 19, 2010
    Publication date: September 30, 2010
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Hitoshi KARASAWA, Daisuke ASADA, Sho NAKAJIMA
  • Publication number: 20100225754
    Abstract: A medical instrument according to the present invention is a medical instrument used by being introduced into the body and fixed therein, which includes a fixing section fixed to a body wall in the body, an image pickup section that picks up an image of an object to be examined in the body, an illumination section that illuminates the object to be examined in the body and a sheet body in which the illumination section is disposed and which is made unfoldable so as to spread with respect to the image pickup section so that an illumination region of illumination light is expanded in an image pickup region of the image pickup section and a wide range is irradiated with the illumination light, and can thereby irradiate the object to be examined whose images are taken with illumination light of sufficient brightness and luminous intensity distribution.
    Type: Application
    Filed: March 8, 2010
    Publication date: September 9, 2010
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Nobuyoshi Yazawa, Hitoshi Karasawa, Daisuke Asada, Sho Nakajima, Tsutomu Urakawa
  • Publication number: 20100225753
    Abstract: A medical instrument used by being introduced into a body and fixed thereto, includes a camera body provided with a fixing section to be fixed to a body wall in the body, an image pickup section incorporated in the camera body that picks up an image of an object to be examined in the body from an observation window formed in the camera body, a contamination removing section provided by being fixed to the camera body, a transparent cover member, an outer surface of which is in contact with the contamination removing section, movably disposed on the observation window and a drive section incorporated in the camera body that drives the cover member to make a sliding contact with the contamination removing section, and can thereby easily and reliably remove deposits stuck to the observation window and obtain a clear observation image even when deposits are being removed.
    Type: Application
    Filed: March 8, 2010
    Publication date: September 9, 2010
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Hitoshi Karasawa, Sho Nakajima, Daisuke Asada, Nobuyoshi Yazawa
  • Publication number: 20100113872
    Abstract: A medical apparatus includes a medical instrument that is introduced into a body cavity and has a driven posture control portion; a fixing portion for fixing the medical instrument to a body wall inside a body cavity; a movable portion that is interposed between the medical instrument and the fixing portion and movably connects the medical instrument to the fixing portion; and an extracorporeal device that is installed outside the body and has a posture control portion that moves the medical instrument relative to the fixing portion.
    Type: Application
    Filed: January 11, 2010
    Publication date: May 6, 2010
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Daisuke ASADA, Hitoshi KARASAWA, Keiji HANDA, Sho NAKAJIMA
  • Publication number: 20100076259
    Abstract: A medical apparatus according to the present invention is a medical apparatus used in a state in which the medical apparatus is led into a body and fixed. The medical apparatus includes: a fixing section that fixes the medical apparatus on a body wall in the body; an image pickup section that picks up an image of a subject in the body and is provided pivotably around a first axis; and a holding section that includes the fixing section and holds the image pickup section pivotably around a second axis different from the first axis. Therefore, the medical apparatus can change a photographing range and a visual field direction as desired to photograph the subject by performing magnified observation and photographing the subject from different directions without using a zoom function in the state in which the medical apparatus is fixed in a limited space in the body.
    Type: Application
    Filed: September 21, 2009
    Publication date: March 25, 2010
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Daisuke Asada, Hitoshi Karasawa, Sho Nakajima, Nobuyoshi Yazawa, Tsutomu Urakawa
  • Publication number: 20100036199
    Abstract: A medical apparatus according to the present invention includes: an image pickup section including an observation window, the image pickup section being led into a body; a holding section that holds the image pickup section inside the body; a covering section that is connected to the holding section and covers the observation window to set the image pickup section in a non-photographable state; and a field-of-view control section that variably controls the covering of the observation window by the covering section and sets the image pickup section in a photographable state to allow the image pickup section to photograph a subject inside the body.
    Type: Application
    Filed: August 5, 2009
    Publication date: February 11, 2010
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Hitoshi KARASAWA, Sho NAKAJIMA, Daisuke ASADA, Nobuyoshi YAZAWA
  • Publication number: 20090306470
    Abstract: A medical apparatus of the present invention includes a medical device configured to be introduced into a body, and the medical apparatus further includes: an image pickup portion which is provided in the medical device and picks up an image of a subject to be examined in the body; a securing portion configured to secure the medical device to a wall in the body; and a grasping unit which is arranged in parallel to the image pickup portion, incorporates at least one assistance apparatus that assists the image pickup, and is configured to be grasped when the medical apparatus is introduced and retracted in and out of the body.
    Type: Application
    Filed: June 8, 2009
    Publication date: December 10, 2009
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Hitoshi KARASAWA, Nobuyoshi YAZAWA, Sho NAKAJIMA, Tsutomu URAKAWA, Daisuke ASADA
  • Publication number: 20090187073
    Abstract: A medical device includes: a medical instrument introduced into a body cavity and having a contact portion that is fixed in contact with a wall within a body, and a wire; an extracorporeal device installed on a body surface and having a hole portion through which the wire can be inserted and removed, fixing mechanisms for fixing the wire inserted through the hole portion, and a housing that is fixed in contact with the body surface; and a pressure adjusting portion provided in one of the medical instrument and the extracorporeal device for maintaining a predetermined tensile force or more that is applied to the wire when the wire is fixed by the fixing mechanism with a body wall being sandwiched between the contact portion and the housing.
    Type: Application
    Filed: January 7, 2009
    Publication date: July 23, 2009
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Hitoshi KARASAWA, Sho NAKAJIMA, Daisuke ASADA, Keiji HANDA
  • Publication number: 20090082627
    Abstract: A medical apparatus includes: a medical device equipped with a driven attitude controller and introduced into a body cavity; a fastener detachably installed on the medical device and used for fastening to a body wall in the body cavity; and an attitude control apparatus equipped with an attitude controller which moves the medical device with respect to the fastener.
    Type: Application
    Filed: September 18, 2008
    Publication date: March 26, 2009
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Hitoshi KARASAWA, Daisuke ASADA, Keiji HANDA, Sho NAKAJIMA