Patents Assigned to Terumo Kabushiki Kaisha
  • INFORMATION PROCESSING METHOD, INFORMATION PROCESSING APPARATUS, AND PROGRAM
    Publication number: 20240346653
    Abstract: An information processing method for assisting a user to be capable of smoothly ascertaining necessary information. An information processing method causes a computer to execute processing for acquiring classification data in which pixels constituting biomedical image data indicating an internal structure of a living body are classified into a plurality of regions including a living tissue region in which a luminal region exists, the luminal region, and an extraluminal region outside the living tissue region, and generating region contour data, in which a portion where a thickness from an inner surface of the living tissue region facing the luminal region exceeds a predetermined threshold is removed from the living tissue region, based on the classification data.
    Type: Application
    Filed: June 26, 2024
    Publication date: October 17, 2024
    Applicants: TERUMO KABUSHIKI KAISHA, Rokken Inc.
    Inventors: Yasukazu SAKAMOTO, Katsuhiko SHIMIZU, Hiroyuki ISHIHARA, Shunsuke YOSHIZAWA, Thomas HENN, Clement JACQUET, Stephen TCHEN, Ryosuke SAGA
  • Oxygenator and method for manufacturing the same
    Patent number: 12115499
    Abstract: In manufacturing an oxygenator (10), an intermediate spacer (18) is arranged between an inner cylinder unit (13) configured by winding a first hollow fiber membrane (14a) and an outer cylinder unit (15) configured by winding a second hollow fiber membrane (16a) so that a first gap (100a) is formed between one end portions of the inner cylinder unit (13) and the outer cylinder unit (15), and a first partition section (62a) is inserted into the first gap (100a). A first end portion (18a) of the intermediate spacer (18) is located at a region which does not overlap the first partition section (62a) in a radial direction. The intermediate spacer (18) independently supports the outer cylinder unit (15) in a state in which a gap (Sa) is formed between an inner peripheral surface of the intermediate spacer (18) and an outer peripheral surface of the inner cylinder unit (13).
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: October 15, 2024
    Assignee: Terumo Kabushiki Kaisha
    Inventor: Ryuji Hiraguchi
  • Medical device and treatment method
    Patent number: 12114884
    Abstract: A medical device and can remove an object inside a biological lumen while allowing a positional change of the device inside the biological lumen. The medical device includes a drive shaft, an outer tube accommodating the drive shaft, a cutting portion fixed to a distal portion of the drive shaft, and a hub unit housing proximal portions of the drive shaft and the outer tube. The hub unit has an operation unit fixed to the outer surface of the outer tube to rotate the outer tube, a first support portion rotatably supporting the operation unit, a first housing having an aspiration port for discharging fluid to outside, and causing communication of an aspiration lumen of the outer tube with the aspiration port, and a first seal between the first housing and the outer tube. The first support portion and the first seal are disposed in parallel along an axial direction.
    Type: Grant
    Filed: August 1, 2023
    Date of Patent: October 15, 2024
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Taiga Nakano, Junichi Kobayashi, Tomonori Hatta, Kosuke Nishio
  • Medical apparatus
    Patent number: 12115350
    Abstract: A medical apparatus includes an operation reception unit, a position acquisition unit that can acquire position information of a detection target based on a position of the detection target on the operation reception unit at an acquisition time that occurs in a predetermined cycle, the detection target being in contact with or proximate to the operation reception unit, and a control unit that determines an operation position of the detection target on the operation reception unit at a last acquisition time before a latest acquisition time, on the basis of the position information acquired at the latest acquisition time.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: October 15, 2024
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventor: Atsushi Ogahara
  • Medical device and method
    Patent number: 12114886
    Abstract: A medical device for grinding substance inside a body lumen includes a rotatable tubular drive shaft, a treatment member connected to the drive shaft, and a tubular member possessing an axially extending lumen that extends throughout the tubular member. The tubular member is mounted on the treatment member and surrounds a portion of the treatment member so that the treatment member is rotatable relative to the tubular member. The treatment member includes a shearing portion, and the tubular member includes a protrusion that projects toward the lumen of the tubular member. The protrusion is located axially in front of the shearing portion and interacts with the shearing portion during relative rotation between the treatment member and the tubular member to shear debris resulting from the grinding of the substance.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: October 15, 2024
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Kosuke Nishio, Junichi Kobayashi, Tomonori Hatta, Taiga Nakano
  • Adhesion promotion device
    Patent number: 12108954
    Abstract: An adhesion promotion device is disclosed, which is capable of reducing risk factors of an anastomotic leakage after surgery. The adhesion promotion device has a main body portion disposed between biological organs serving as a joint object. The main body portion has a first region and a second region formed along an outer edge of the first region. The second region includes an adhesion promotion portion that promotes adhesion of a biological tissue. The first region includes a holding portion having a holding force with respect to the biological tissue which is stronger than that of the adhesion promotion portion.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: October 8, 2024
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Yuu Oosawa, Yuuki Hara, Wataru Karino, Naotaka Chino, Kei Honda, Takayuki Uchida, Masaru Ikegami, Xiaowei Lu
  • Hemostatic device
    Patent number: 12108956
    Abstract: A hemostatic device is disclosed capable of effectively performing hemostasis on a puncture site of a subject without generating over-pressurization compression. The hemostatic device includes a first hemostatic member and a second hemostatic member which is movable relatively close to or away from the first hemostatic member, pinches a skin around the puncture site of the subject between the first hemostatic member and the second hemostatic member when the second hemostatic member moves toward the first hemostatic member, and performs hemostasis on the puncture site.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: October 8, 2024
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Erika Nishigaya, Masako Miyashita, Satoshi Nishimura
  • Medical device
    Patent number: 12108981
    Abstract: A medical device that has high pushing performance is capable of forming a hole in a biological tissue in a living body, is capable of being arbitrarily shaped, and is capable of suppressing a kink. The medical device may be used to form a hole in an oval fossa in a living body. The medical device includes: a hollow dilator made of resin; a core made of metal that is disposed in a part in a circumferential direction of the dilator and extends in a long axis direction of the dilator; and an output unit that is disposed in a distal portion of the dilator and outputs energy to form the hole in the oval fossa, in which the core is embedded in between an inner peripheral surface and an outer peripheral surface of the dilator, and the core has conductivity and is electrically connected to the output unit.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: October 8, 2024
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventor: Seiichi Otsubo
  • DIAGNOSTIC APPARATUS AND DIAGNOSTIC PROGRAM
    Publication number: 20240324969
    Abstract: A diagnostic apparatus includes a sympathetic nerve activity level index calculation unit that calculates a sympathetic nerve activity level index indicating a sympathetic nerve activity level, a parasympathetic nerve activity level index calculation unit that calculates a parasympathetic nerve activity level index indicating a parasympathetic nerve activity level, and a disease determination unit that determines a possibility of a cardiovascular disease of a subject on the basis of change tendency of the sympathetic nerve activity level index calculated by the sympathetic nerve activity level index calculation unit and change tendency of the parasympathetic nerve activity level index calculated by the parasympathetic nerve activity level index calculation unit.
    Type: Application
    Filed: June 12, 2024
    Publication date: October 3, 2024
    Applicant: TERUMO KABUSHIKI KAISHA
    Inventor: Takayuki UCHIDA
  • ELONGATED MEDICAL BODY
    Publication number: 20240325045
    Abstract: An elongated medical body includes a main body portion extending in an axial direction and including a guide wire lumen through which a guide wire can pass, a shaft portion extending in the axial direction and connected to a proximal end side of the main body portion, and a guide wire port which is provided at a connection point between the main body portion and the shaft portion, and through which the guide wire can enter and exit, and an inner diameter of the guide wire lumen is equal to or larger than an outer diameter of the shaft portion.
    Type: Application
    Filed: March 19, 2024
    Publication date: October 3, 2024
    Applicant: TERUMO KABUSHIKI KAISHA
    Inventors: Yuya OTAKE, Tetsuya FUKUOKA
  • OPERATION DEVICE AND METHOD OF OPERATING MEDICAL CARE SYSTEM
    Publication number: 20240325136
    Abstract: An operation device configured to be joined with a proximal portion of a treatment device having a lumen through which a wire extending from an indwelling unit indwelling in a living body lumen to the outside of the body, and includes: a housing including a joining portion to which the treatment device can be joined; and an action unit that is disposed on the proximal side of the joining portion, and the action unit is brought into contact with the wire extending from the treatment device, to apply, to the wire, a moving force for the wire to move in the longitudinal axis direction.
    Type: Application
    Filed: March 26, 2024
    Publication date: October 3, 2024
    Applicant: TERUMO KABUSHIKI KAISHA
    Inventors: Kazuaki KANAMOTO, Yoshiki MISHIMA, Yoichiro Kuwano
  • DEVICE SUPPORT, MEDICAL DEVICE, AND TREATMENT METHOD
    Publication number: 20240325043
    Abstract: A device support insertable into a sheath, the device support supporting a medical device including a rotatable drive shaft extending from a distal end to a proximal end, and an operation unit that accommodates a drive source connected to the drive shaft, the device support including a plurality of tubular bodies that accommodates the drive shaft and an outer tube, in which a first tubular body disposed on a most proximal end side among the plurality of tubular bodies has a proximal end connection portion connectable to the operation unit at a proximal end portion of the first tubular body, and the plurality of tubular bodies includes at least a second tubular body and a third tubular body having an outer diameter smaller than an inner diameter of the second tubular body, and the second tubular body and the third tubular body are movable relative to one another.
    Type: Application
    Filed: March 20, 2024
    Publication date: October 3, 2024
    Applicant: TERUMO KABUSHIKI KAISHA
    Inventors: Hideki FUJIMAGARI, Yasushi KINOSHITA
  • ASPIRATION SYSTEM AND ASPIRATION METHOD
    Publication number: 20240325037
    Abstract: An aspiration system is disclosed that is configured to capture and aspirate a thrombus flowing within a blood vessel and includes a capture device provided with an expandable capture unit and a capture wire extending from the capture unit, and an aspiration device provided with an aspiration tube and an aspiration port. The capture unit includes a plurality of linear members that is deformable and braided, a distal side coupler that couples distal portions of the plurality of linear members, and a proximal side coupler that couples proximal portions of the plurality of linear members and is coupled to the capture wire. The proximal side coupler includes an inner tube and an outer tube. The inner tube has a proximal portion located closer to the proximal side of the proximal side coupler than a proximal portion of the outer tube.
    Type: Application
    Filed: March 26, 2024
    Publication date: October 3, 2024
    Applicant: TERUMO KABUSHIKI KAISHA
    Inventors: Yoshiki MISHIMA, Kazuaki KANAMOTO, Masaomi IMAI
  • CATHETER ASSEMBLY
    Publication number: 20240325695
    Abstract: A catheter assembly is disclosed, which includes a catheter; a catheter hub configured to be fixed to a proximal end portion of the catheter; a needle having a needlepoint, the needle configured to be inserted into the catheter and separated from the catheter; a protector; an elongated member coupled to the needle and overlapping at least a portion of the needle that is distal of the protector in an initial state; the protector being displaceable in an axial direction with respect to the elongated member, and the protector having a fixed length configured to overlap an entire length of the needle protruding from the elongated member in accordance with evulsion of the needle from the catheter; and wherein in the initial state, the catheter and the needle are exposed from a distal end of the elongated member, and the elongated member overlaps the catheter hub and the protector.
    Type: Application
    Filed: June 13, 2024
    Publication date: October 3, 2024
    Applicant: TERUMO KABUSHIKI KAISHA
    Inventor: Masahiro ISHIDA
  • Target substance separation method and quantification method
    Patent number: 12105082
    Abstract: A method for separating a target substance includes: forming a mixture containing: a target substance-magnetic particle complex that includes: a sample containing a target substance, and magnetic particles to which a first receptor is fixed, wherein the first receptor is adapted to specifically recognize a site of the target substance; and separating the target substance-magnetic particle complex from the mixture by magnetism and electrophoresis.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: October 1, 2024
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventor: Hiroya Sato
  • Organ retraction device
    Patent number: 12102311
    Abstract: An organ retraction device includes a surgical instrument and an expandable body operable for expansion by connection of the surgical instrument thereto. The expandable body includes a first expandable section configured to be expandable to a predetermined size and shape in a first stage to move an organ in an abdominal cavity, and a second expandable section configured to be expandable to a predetermined size and shape in a second stage to fix the organ.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: October 1, 2024
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Miria Suzuki, Katsumi Morimoto, Yoshihito Machida
  • MEDICAL DEVICE AND METHOD FOR APPLYING SHEET-SHAPED DELIVERY OBJECT
    Publication number: 20240315824
    Abstract: A medical device for applying a sheet-shaped delivery object to a target site, the medical device including a main body having an elongated shaft portion and a holding portion provided at a distal end of the shaft portion for holding the sheet-shaped delivery object, in which the holding portion has a tapered portion widening in a tapered manner from the distal end of the shaft portion and a placement portion extending from the tapered portion, and both end portions of the placement portion are folded back inward at least on a proximal end side.
    Type: Application
    Filed: May 23, 2024
    Publication date: September 26, 2024
    Applicant: TERUMO KABUSHIKI KAISHA
    Inventor: Koichi HAYAKAWA
  • Imaging device
    Patent number: 12097070
    Abstract: An imaging device capable of acquiring images of an internal structure of a living body highly accurately in a wide range. An imaging device has a first housing to which a proximal portion of an outer sheath is fixed, with a drive shaft for driving a imaging unit and an inner sheath extending through the first housing, and a second housing to which a proximal portion of the inner sheath is fixed and which holds the drive shaft rotatably therein. The first housing has a first port held in fluid communication with an inner lumen of the outer sheath, and the second housing is movable toward and away from the first housing. The imaging device also includes a first gap between the inner sheath and the outer sheath and a second gap between the inner sheath and the drive shaft.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: September 24, 2024
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Katsuhiko Shimizu, Yasukazu Sakamoto
  • Hemostatic device
    Patent number: 12096944
    Abstract: A hemostatic device is worn on a hand having a site where bleeding is to be stopped and includes a pressing member that applies a compression force to the site. The hemostatic device further includes a cover configured to be worn on a thumb and a dorsal side of the hand, and a linear member having a first end connected to the cover and configured to secure the cover to the hand when a second end thereof is attached to the cover. The cover has a hole which surrounds a portion of the linear member and the pressing member is disposed on a distal side of the cover relative to a virtual line passing through the hole and the connection portion.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: September 24, 2024
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Tomomi Yamada, Yo Higashi
  • MEDICAL DEVICE AND METHOD FOR APPLYING SHEET-SHAPED DELIVERY OBJECT
    Publication number: 20240307669
    Abstract: A medical device for applying a sheet-shaped delivery object to a target site, the medical device including a main body having an elongated shaft portion and a holding portion provided at a distal end of the shaft portion for holding the sheet-shaped delivery object, and an elongated sliding body that slides on the holding portion, in which the sheet-shaped delivery object on the holding portion can be slidably moved to the target site by sliding the sheet-shaped delivery object while being pressed by the sliding body.
    Type: Application
    Filed: May 23, 2024
    Publication date: September 19, 2024
    Applicant: TERUMO KABUSHIKI KAISHA
    Inventor: Koichi HAYAKAWA