Patents Assigned to Olympus Medical Systems Corp.
  • Image processing apparatus, image processing method, and recording medium
    Patent number: 11782325
    Abstract: Provided is an image processing apparatus including a processor. The processor is configured to: reconstruct, by employing an image set acquired by means of an endoscope, three-dimensional information of an imaging subject; estimate, by means of an estimator, imaging-subject distances from the image set by employing a learning parameter; calculate, on the basis of the estimated imaging-subject distances and the imaging-subject distances in the three-dimensional information, a scale coefficient; convert relative dimensions of the three-dimensional information to absolute dimensions by employing the scale coefficient; and output the three-dimensional information containing the absolute dimensions.
    Type: Grant
    Filed: September 6, 2022
    Date of Patent: October 10, 2023
    Assignee: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Takashi Miyoshi, Takuya Matsunaga, Kazuhito Horiuchi, Munenori Fukunishi
  • FORCEPS AND TISSUE COLLECTION METHOD
    Publication number: 20230310015
    Abstract: Provided are a forceps including: a shaft; a wire that is movable in a longitudinal direction inside the shaft; and a first arm and a second arm, each of which has a first jaw or a second jaw, that are connected to each other in a pivotable manner by means of a third joint. The first arm is connected to a distal end of the shaft in a pivotable manner by means of a first joint, and the second arm is connected to a distal end of the wire in a pivotable manner by means of a second joint. The third joint is provided between the first jaw and the first joint and between the second jaw and the second joint, and is disposed lateral to the wire in a state in which the first and second jaws are open. The first and second jaws are closed while the third joint is moving outward in the lateral direction with respect to the shaft.
    Type: Application
    Filed: March 31, 2022
    Publication date: October 5, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Ryosuke ITO, Koichiro ITO
  • MEDICAL INSERTION EQUIPMENT SYSTEM, CAPSULE, AND MEDICAL INSERTION EQUIPMENT DISINFECTION METHOD
    Publication number: 20230309807
    Abstract: A medical insertion equipment system comprises a capsule including an outer shell and an interior space, a disinfectant that is located in the interior space of the capsule, and a medical insertion instrument that includes an operation section, an insertion section configured for insertion into a subject, an insertion conduit located in the insertion section, and a fixture located in the operation section, the fixture including a body having a receiver space for holding at least a portion of the capsule, and wherein the insertion conduit extends along an insertion axis from a distal end side of the insertion section to a proximal end side of the insertion section, and wherein the fixture includes an opening in a surface of the receiver space, and wherein the opening is in fluid communication with the insertion conduit via a connecting conduit.
    Type: Application
    Filed: March 27, 2023
    Publication date: October 5, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Takeo SUZUKI, Keita OZAWA
  • MEDICAL APPARATUS AND POSITIONING METHOD FOR TREATMENT INSTRUMENT
    Publication number: 20230301494
    Abstract: A medical apparatus comprises an insertion section inserted into a subject, a treatment instrument channel provided in the insertion section along an insertion axis extending from a proximal end to a distal end of the insertion section, a treatment instrument being inserted through the treatment instrument channel, an elastic member provided in at least a part of the treatment instrument channel, and a channel operation member for transmitting an operation force to the elastic member, and wherein the elastic member changes, according to the operation force, a sectional area of an inside of the treatment instrument channel in a direction crossing the insertion axis.
    Type: Application
    Filed: March 22, 2023
    Publication date: September 28, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Daisuke DOI
  • INSERTION DEVICE
    Publication number: 20230301498
    Abstract: An insertion device comprises an insertion section, the insertion section including a distal portion, an operation section located on a proximal end side of the insertion section, a channel located in the insertion section and communicating with the distal portion, the channel including a transformable member on a distal end side of the channel, and a transformation unit, wherein a shape of the transformable member is changeable by operation of the operation section.
    Type: Application
    Filed: March 16, 2023
    Publication date: September 28, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Seiji IWASAKI
  • ENDOSCOPE AND ENDOSCOPE SYSTEM
    Publication number: 20230292993
    Abstract: An endoscope comprising an insertion section including a distal end portion, a distal end opening in a distal end surface of a distal end portion, a side opening in a side surface of the distal end portion, a suction channel located in the insertion section and extending proximally from the distal end portion, and a valve switchable between an open state and a closed state. When a first suctioning flow through the distal end opening is less than a minimum suctioning flow, the valve is in the open state and a second suctioning flow through the side opening is present, and when the first suctioning flow is more than the minimum suctioning flow, the valve is in the closed state and the second suctioning flow is absent.
    Type: Application
    Filed: March 16, 2023
    Publication date: September 21, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Seiji IWASAKI
  • ENDOSCOPE OPTICAL CONNECTOR AND ENDOSCOPE
    Publication number: 20230288644
    Abstract: An endoscope optical connector includes: a sleeve which houses an end portion of an optical fiber inside the sleeve; an inward flange provided on an inner circumference of the sleeve; a glass member arranged inside the sleeve so as to face an end surface of the optical fiber; a cap member which is attached to the sleeve and which fixes the glass member between the cap member and the inward flange; a first O-ring interposed between the cap member and the glass member; a second O-ring interposed between the glass member and the inward flange and having a glass transition point lower than a glass transition point of the first O-ring; and an inert gas filling the inside of the sleeve.
    Type: Application
    Filed: May 18, 2023
    Publication date: September 14, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Kaito NAKAHARA, Takuya TAKECHI, Tsutomu URAKAWA, Hiroki TAKAGI, Koichi AKAHORI
  • IMAGE PICKUP UNIT, METHOD OF MANUFACTURING IMAGE PICKUP UNIT, AND ENDOSCOPE
    Publication number: 20230291988
    Abstract: An image pickup unit includes: an image pickup substrate; a first wiring plate bonded to the image pickup substrate; and a second wiring plate having a fifth principal surface, a sixth principal surface, and a second side surface, a fifth electrode on the fifth principal surface and a sixth electrode on the second side surface being bonded to a fourth electrode on the fourth principal surface of the first wiring plate by using solder, the sixth electrode being extended from the fifth electrode. A first conductor block is embedded in the second wiring plate, an exposed surface of the first conductor block on the fifth principal surface being the fifth electrode, an exposed surface of the first conductor block on the second side surface being the sixth electrode. The solder bonding the fourth and sixth electrodes forms a fillet.
    Type: Application
    Filed: May 18, 2023
    Publication date: September 14, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Shinya ISHIKAWA
  • PERFUSION TARGET INTERNAL PRESSURE ESTIMATION METHOD, PERFUSION SYSTEM, AND LIVING BODY INTERNAL PRESSURE ESTIMATION METHOD
    Publication number: 20230285657
    Abstract: A perfusion target internal pressure estimation method includes, at a time of a first operation for feeding liquid and not suctioning the liquid, acquiring a liquid feed flow rate in a liquid feed passage and pressure in a suction passage, at a time of a second operation for feeding the liquid and suctioning the liquid, acquiring a liquid feed flow rate in the liquid feed passage and a suction flow rate in the suction passage, subtracting the suction flow rate from the liquid feed flow rate to acquire a flow rate difference, and acquiring, based on a regression formula of the liquid feed flow rate and the pressure in the suction passage at the time of the first operation, an estimation value of an internal pressure of a perfusion target at the time of the second operation from the flow rate difference.
    Type: Application
    Filed: March 9, 2023
    Publication date: September 14, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Hiroki KAZUNO
  • ENDOSCOPE SYSTEM AND ENDOSCOPIC LIGATOR ATTACHMENT METHOD
    Publication number: 20230277180
    Abstract: An endoscope system of the disclosure includes an endoscope including an insertion section, and a coupling thread extending along the insertion section. The coupling thread includes a coupling portion at a distal end of the coupling thread, and a thread portion extending proximally from the coupling portion. The endoscope system includes a distal end cover on a distal end portion of the insertion section. At least a part of the distal end cover moves on an outer surface of the distal end portion. The distal end cover partially covers the coupling portion.
    Type: Application
    Filed: March 1, 2023
    Publication date: September 7, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Seiji IWASAKI
  • CLIP DELIVERY DEVICE, AND RELEASING METHOD OF CLIP UNIT
    Publication number: 20230277190
    Abstract: Clip delivery device has a sheath, a wire inserted into the sheath, and a clip detachably connected to the wire and having arms movable between an open position and a closed position. A tube is adjacent the sheath along a longitudinal axis and contains at least part of the clip and has a convex portion on an inner surface. A connector provided in the sheath has a hook detachably connected with the convex portion. The hook is movable between a first position, in which the hook engages the convex portion and is at a first radial distance from a central axis of the sheath, and a second position, in which the hook is disengaged from the convex portion and is at a second radial distance from the central axis of the sheath, where the first radial distance is greater than the second radial distance, by moving the wire.
    Type: Application
    Filed: February 27, 2023
    Publication date: September 7, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Ranwen LU
  • ENDOSCOPE
    Publication number: 20230277039
    Abstract: An endoscope including an insertion portion including a distal end structure and an active bending section, an image sensor located in the distal end structure, and the image sensor has an optical axis in a first direction, and the first direction intersects a central longitudinal axis of the distal end structure, a treatment instrument channel located in the distal end structure and adjacent the image sensor, and a distal end opening of the treatment instrument channel opens in a second direction, and the second direction intersects the central longitudinal axis, and a suction channel located in the distal end structure, wherein a distal end opening of the suction channel opens in a third direction, and the third direction is different from the second direction.
    Type: Application
    Filed: March 2, 2023
    Publication date: September 7, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Masahiro ASHIZUKA, Takuya TOYOOKA
  • TISSUE CLOSURE METHOD, CLIP DEVICE, AND OPERATION METHOD OF CLIP DEVICE
    Publication number: 20230277193
    Abstract: A tissue closure method comprises grasping a first portion of a tissue between a first arm and a central arm, restricting a sliding of a first slider while grasping the first portion, the first slider configured to open and close the first arm relative to the central arm, grasping a second portion of the tissue between a second arm and the central arm while restricting the sliding of the first slider, indwelling the first arm, the second arm, and the central arm in a body.
    Type: Application
    Filed: February 21, 2023
    Publication date: September 7, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Masaru YUASA, Motoi SATAKE, Toshinori TAMURA, Shogo SHINDO
  • ENDOSCOPE SYSTEM AND PACKAGING MATERIALS FOR ENDOSCOPE
    Publication number: 20230277040
    Abstract: An endoscope system, comprising: an endoscope including an insertion portion, an operation portion, and a connector configured to be connected to an external apparatus, wherein the insertion portion includes a bending portion and wherein the operation portion is connected to the insertion portion; a packaging material, wherein the packaging material contains at least the insertion portion or the operation portion in a sterile environment; and a dome-shaped portion formed in the packaging material, wherein the dome-shaped portion defines a space, and at least a distal section of the bending portion is located inside the space, where in a maximum bent position, the distal section of the bending portion does not contact an inner surface of the dome shaped portion, and wherein the connector is disposed outside of the packaging material.
    Type: Application
    Filed: March 3, 2023
    Publication date: September 7, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Akira OZAKI, Masahiro ASHIZUKA, Takeo SUZUKI
  • ABLATION DEVICE AND TREATMENT METHOD FOR CHOLECYSTITIS
    Publication number: 20230277234
    Abstract: An ablation device comprises a sheath, a balloon attached to the sheath and being expandable and an electrode located on an outer surface of the sheath. The balloon is located longitudinally adjacent to the electrode.
    Type: Application
    Filed: February 28, 2023
    Publication date: September 7, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Tomofumi KATAYAMA, Yuji KISHIMOTO
  • DISTAL END COVER AND ENDOSCOPE
    Publication number: 20230277038
    Abstract: A distal end cover includes a cover body having a cylindrical shape. The cover body includes first and second body portions, a first opening formed in the first body portion and the second body portion, a second opening that can receive a distal end portion of an insertion portion of an endoscope and is formed on a side opposite to the first body portion with respect to the second body portion, a finger hook portion forming a portion of the first opening, a first thin wall portion forming a portion of the first opening, and a second thin wall portion. When a load is applied to the finger hook portion to expand the first opening, a force in a tensile direction is applied to the first thin wall portion, and a force in a shearing direction is applied to the second thin wall portion.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 7, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Takahiro SUMI, Fumitoshi HAYAKAWA
  • CLIP UNIT, CLIP DELIVERY DEVICE, AND LOADING METHOD OF CLIP UNIT
    Publication number: 20230277177
    Abstract: A clip unit comprises a clip and a tube. the clip includes a plurality of arms movable between an open position and a closed position. The tube includes a tube main body configured to contain at least a part of the clip, a first wing, and a second wing. The first wing is connected to the tube main body and the second wing is connected to the first wing. The first wing is elastically deformable relative to the tube main body in a radial direction of the tube main body, and the first wing is biased radially inward toward an inner region of the tube main body. The second wing is elastically deformable relative to the first wing in the radial direction of the tube main body, and the second wing is biased radially outward toward an outside of the tube main body.
    Type: Application
    Filed: February 28, 2023
    Publication date: September 7, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Shoichiro KAWAYOKE
  • OBJECTIVE OPTICAL SYSTEM, IMAGE PICKUP APPARATUS, AND ENDOSCOPE
    Publication number: 20230273404
    Abstract: An objective optical system includes a front group FG, an aperture stop S, and a rear group RG in order from an object side. The front group FG includes a first lens L1 having a negative refractive power with a concave surface facing an image side, a meniscus-shaped second lens L2 having a negative refractive power with a convex surface facing the image side, and a third lens L3 having a positive refractive power. The rear group RG includes a fourth lens L4 having a positive refractive power and a fifth lens L5 having a positive refractive power. The fifth lens L5 is a cemented lens. The following Conditional Expression (1) is satisfied: 2.3<f3/f5<20 (1), where f3 is a focal length of the third lens L3, and f5 is a focal length of the fifth lens L5.
    Type: Application
    Filed: May 9, 2023
    Publication date: August 31, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Yoshihiro KAWAKAMI
  • ATTACHMENT, ENDOSCOPE SYSTEM, AND METHOD FOR PERFORMING SUCTION BY ENDOSCOPE
    Publication number: 20230270318
    Abstract: A suction attachment includes a plug including a plug conduit, a first tube including a first conduit having a first end portion and a second end portion, a second tube having a second conduit including a third end portion and a fourth end portion, and a pressure regulator including a body with an interior cavity, a first opening, a second opening, and an actuator. The pressure regulator is connected to the fourth end portion and the interior cavity is in fluid communication with second conduit via the first opening in the body, and the second opening in the body connects the interior cavity to atmosphere. The actuator is movable between a first position and a second position, when the actuator is in the first position, the second opening is open and, when the actuator is in the second position, the second opening is closed.
    Type: Application
    Filed: February 24, 2023
    Publication date: August 31, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Kei SEKIYA
  • TREATMENT TOOL AND MANIPULATING METHOD FOR TREATMENT TOOL
    Publication number: 20230263569
    Abstract: The treatment tool including: a tube including a lumen extending in a longitudinal axis of the tube; a wire inserted into the lumen and extending along the longitudinal axis of the tube; a first handle connected to a proximal end portion of the wire; a second handle attached to a proximal end portion of the tube. In a first configuration, the first handle is rotatable relative to the second handle about a rotation axis. In a second configuration, the first handle is non-rotatable relative to the second handle when an applied force applied to the first handle in a rotation direction is equal to or less than a predetermined amount. The first handle is rotatable relative to the second handle when the applied force is greater than the predetermined amount.
    Type: Application
    Filed: February 16, 2023
    Publication date: August 24, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Yutaka YANUMA