Patents Assigned to Terumo
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Patent number: 11911052Abstract: A treatment method reduces the time required to exchange a long catheter which is introduced from an arm to treat the lower limb artery. The treatment method involves introducing a first catheter from an artery of one arm of the patient to dispose a distal portion of the first catheter at least in front of the lesion area in the lower limb artery; introducing a second catheter from an artery of the other arm of the patient; disposing a first treatment catheter in the lesion area through the first catheter; treating the lesion area with the first treatment catheter; and assisting the treatment with the second catheter and/or a second treatment catheter that is inserted into the second catheter.Type: GrantFiled: March 27, 2020Date of Patent: February 27, 2024Assignee: TERUMO KABUSHIKI KAISHAInventors: Takito Inukai, Tetsuya Fukuoka
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Patent number: 11911578Abstract: A catheter assembly is disclosed, which includes a catheter; a catheter hub fixed to a base end portion of the catheter; an inner needle having a needlepoint, inserted into the catheter; a needle hub coupled to the inner needle; a needle support portion configured to support the inner needle through the catheter on a leading end side beyond the catheter hub, the needle support portion having a pair of support arms openable and closeable in a different direction to an axis of the inner needle; a restraining portion capable of restraining the pair of support arms in a closed state and releasing a restraint of the pair of support arms; and wherein the restraining portion is movable with respect to the pair of support arms by a distal movement of the catheter hub relative to the inner needle, which releases the restraint with respect to the pair of support arms.Type: GrantFiled: October 22, 2021Date of Patent: February 27, 2024Assignee: TERUMO KABUSHIKI KAISHAInventor: Masahiro Ishida
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Patent number: 11911550Abstract: A pressure measuring device 30 installs on a tube 11 for transferring a medium BL so as to measure a pressure of the medium BL inside the tube 11. The pressure measuring device 30 includes a main body portion 31 mountable to the tube 11, polarizing means 34 disposed in the main body portion 31 so that light oscillating in a specific direction is transmitted therethrough, an image acquisition unit 32 disposed in the main body portion 31 so that image information on a pressure receiver that is deformed in response to the received pressure is acquired through the polarizing means 34, and a control unit 100 that converts the image information acquired by the image acquisition unit 32 into pressure information about the pressure.Type: GrantFiled: January 2, 2020Date of Patent: February 27, 2024Assignee: TERUMO KABUSHIKI KAISHAInventors: Yosuke Itamochi, Kozo Hisamatsu
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Publication number: 20240058030Abstract: A medical device is disclosed that can effectively destroy an object in a biological lumen, a method for controlling rotation of the medical device, and a rotation controller. The medical device to be inserted into a biological lumen to destroy a thrombus in the biological lumen includes an elongated shaft portion that is rotationally driven, a drive unit that rotates the shaft portion, a breaking member that is provided at a distal portion of the shaft portion and is rotatable, and a control unit that controls the rotation of the drive unit, in which the control unit controls the drive unit to repeat the rotation while interposing a stop of the rotation between rotations of the drive unit.Type: ApplicationFiled: November 2, 2023Publication date: February 22, 2024Applicant: TERUMO KABUSHIKI KAISHAInventors: Takashi KITAOKA, Masaomi IMAI, Kazuaki KANAMOTO, Yuki MASUBUCHI
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Patent number: 11903657Abstract: This document describes devices used during surgical procedures for the treatment of heart conditions. For example, this document describes technology to monitor the operations of a heart-lung machine and then shows associated read outs on a head-worn display in order to provide an augmented-reality presentation. For example, various sensors on and around a heart-lung machine, patient, and/or extracorporeal circuit can monitor the operations of the procedure using the heart-lung machine.Type: GrantFiled: February 17, 2023Date of Patent: February 20, 2024Assignee: Terumo Cardiovascular Systems CorporationInventors: Joseph Geric, Takeshi Tsubouchi
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Patent number: 11904115Abstract: A catheter assembly includes: a catheter; and an inner needle inserted through the catheter. The catheter includes: a catheter body; and a flexible portion that is located at a distal portion of the catheter body and forms a most distal portion of the catheter. An elastic modulus of the catheter body is greater than an elastic modulus of the flexible portion. The catheter has a mixed region in which the catheter body and the flexible portion overlap each other in a radial direction.Type: GrantFiled: April 4, 2022Date of Patent: February 20, 2024Assignee: TERUMO KABUSHIKI KAISHAInventors: Masahiro Ishida, Shinya Kusunoki
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Publication number: 20240050096Abstract: An occlusive system for the vasculature and an embolic coil used in such an occlusive system is described. Also described is an occlusive plug which can be used for occlusive purposes within the vasculature.Type: ApplicationFiled: October 27, 2023Publication date: February 15, 2024Applicant: Terumo CorporationInventors: Sheila Warner, Jacqueline Macias, Jessica Liang, Wendy Graczyk
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Patent number: 11900660Abstract: A method for diagnosing, validation of diagnosis and treating a patient having lesions in both arteries of left and right lower limbs. By determining that a larger vessel diameter lesion to be treated first, catheters and an operation time can be reduced is to be treated first on a priority basis based on diagnostic data, deciding that a smaller vessel diameter lesion is to be treated next, then treating the lesions substantially continuously.Type: GrantFiled: October 30, 2018Date of Patent: February 13, 2024Assignee: TERUMO KABUSHIKI KAISHAInventors: Yoshiyuki Saito, Shota Ishii, Yoshitaka Itou, Tetsuya Fukuoka
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Patent number: 11898131Abstract: To provide a means capable of obtaining further excellent cellular adhesiveness than in a case where a surface of a cell culture substrate (cell culture vessel) is coated using polytetrahydrofurfuryl acrylate (PTHFA). Provided is a cell culture substrate comprising a coating layer on at least one side of a polymer substrate, wherein the coating layer includes a copolymer comprising more than 20% by mole and less than 100% by mole of a structural unit (1) derived from furfuryl (meth)acrylate represented by Formula (1) and more than 0% by mole and less than 80% by mole of a structural unit (2) derived from ethylenically unsaturated monomer having a hydroxyl group (the total of the structural unit (1) and the structural unit (2) is 100% by mole).Type: GrantFiled: August 15, 2019Date of Patent: February 13, 2024Assignee: Terumo Kabushiki KaishaInventors: Takao Anzai, Ichiro Hirahara
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Patent number: 11896746Abstract: A blood component collection cassette that can trap a foreign object such as a blood-coagulated clot from blood components to be returned to a blood donor and a manufacturing method of the blood component collection cassette are provided. A sheet-shaped filter member (60) is arranged on a flow path (42) in a cassette main body (40) of a blood component collection cassette (28). A first tube (66) and a second tube (68) are arranged in the cassette main body (40). An inner space (51) of a filter housing unit (54a) is separated by the filter member (60) into a first space (51a) on the side of the first tube (66) and a second space (51b) on the side of the second tube (68).Type: GrantFiled: March 20, 2018Date of Patent: February 13, 2024Assignee: TERUMO KABUSHIKI KAISHAInventor: Masatsugu Igarashi
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Patent number: 11896259Abstract: A medical device is disclosed, the medical device includes an outer tubular member made from one or more rigid materials having a first bend element including a distal end portion of the outer tubular member and a second bend element proximal to the first bend element in a natural state; and a treatment member on the distal end portion configured to grind a substance inside a body lumen, and wherein an outer diameter of the treatment member is larger than an outer diameter of the outer tubular member, and a difference between the outer diameter of the treatment member and the outer diameter of the outer tubular member is less than a thickness of a blood vessel wall.Type: GrantFiled: November 25, 2019Date of Patent: February 13, 2024Assignee: TERUMO KABUSHIKI KAISHAInventors: Tomonori Hatta, Kousuke Nishio, Taiga Nakano, Junichi Kobayashi
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Publication number: 20240042140Abstract: A catheter assembly includes: a catheter including a circumferential wall and a distal opening; an inner needle inserted through the catheter, the inner needle having a sharp needle tip at a distal end of the inner needle; and a deflection suppression mechanism that supports the inner needle via the catheter to suppress deflection of the inner needle, the deflection suppression mechanism including a contact support portion that is configured to support the catheter when the catheter is advanced with respect to the inner needle. The circumferential wall of the catheter includes one or more side holes. In an initial state before the catheter is advanced with respect to the inner needle, a distal-most one of the one or more side holes is in a distal portion of the catheter, and the contact support portion is proximal of a proximal-most one of the one or more side holes.Type: ApplicationFiled: October 13, 2023Publication date: February 8, 2024Applicant: TERUMO KABUSHIKI KAISHAInventor: Masahiro Ishida
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Patent number: 11890428Abstract: A catheter is disclosed, which includes an inner tube, and a coil tube disposed on an outer peripheral side of the inner tube, the inner tube being a coil obtained by winding a wire. In addition, in the coil tube, a first coil and a second coil are arranged concentrically with each other. The first coil and the second coil have mutually different winding directions of the wire. Then, the inner tube and the coil tube are rotatable relative to each other around a central axis of the coil tube. In addition, in a natural state where no external force is applied to the catheter, a gap is formed between the inner tube and the coil tube.Type: GrantFiled: April 5, 2021Date of Patent: February 6, 2024Assignee: TERUMO KABUSHIKI KAISHAInventor: Takashi Ito
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Patent number: 11890435Abstract: A device and method are described for aspirating within a patient during the delivery of a drug-coated treatment device to help remove drug coating dislodged in a patient's blood. The drug treatment device can be a drug-coated balloon, a drug-coated stent, or similar devices. The device can include an occlusion balloon to help contain the dislodged drug coating and aspiration can be applied proximally, distally, or both proximally and distally of the drug coated balloon during a procedure.Type: GrantFiled: December 18, 2020Date of Patent: February 6, 2024Assignee: Terumo CorporationInventor: Ayu Takagi
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Patent number: 11883570Abstract: In a blood transfusion system (a blood transfusion kit, a blood transfusion kit for emergency blood transfusion, or a method of using a blood transfusion kit), a flow path through which blood flows is formed using a tube having a channel therein. The flow path includes: a first path that connects an upstream path and a downstream path and has a leukocyte removal filter removing leukocytes at an intermediate position of the channel; and a second path that connects the upstream path and the downstream path and bypasses the leukocyte removal filter.Type: GrantFiled: September 27, 2018Date of Patent: January 30, 2024Assignee: TERUMO KABUSHIKI KAISHAInventors: Takayoshi Yao, Kaoru Hosoe
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Patent number: 11883569Abstract: A blood component collection cassette has a flow path in the interior thereof through which blood flows, and a cassette main body composed of a resin that possesses flexibility. The cassette main body includes a first constituent part in which a plurality of concavities and convexities are formed. Furthermore, a resin sheet includes a second constituent part, which is provided on one portion of an outer surface of the flow path wall portion that constitutes the flow path, and in which the plurality of concavities and convexities do not exist.Type: GrantFiled: August 9, 2018Date of Patent: January 30, 2024Assignee: TERUMO KABUSHIKI KAISHAInventor: Masatsugu Igarashi
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Publication number: 20240023896Abstract: A stent delivery system that obtains biological-related information or stent state information in a stent using a signal from a sensor after the stent indwells in a living body and then removing the sensor from the living body. A stent delivery system includes a sheath in which a stent is accommodated, a stent extrusion member, and a sensor device. The sensor device includes a sensor unit and a pressing portion configured to bring the sensor unit into contact with an inner surface of the stent indwelling into the living body. The sensor device can move the sensor unit in a rear end direction of the stent by movement of the stent extrusion member toward a rear end side or withdrawal of the sensor device. The sensor device can be taken out from the living body by removing the stent delivery system or the sensor device from the living body.Type: ApplicationFiled: July 19, 2023Publication date: January 25, 2024Applicant: Terumo Kabushiki KaishaInventor: Kaori ENOMOTO
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Publication number: 20240024622Abstract: A catheter assembly includes: a catheter including a main lumen and one or more sub lumens provided separately from the main lumen; and an inner needle extending through the main lumen; and a deflection suppression mechanism configured to suppress deflection of the inner needle. The one or more sub lumens respectively communicate with one or more sub openings formed in the catheter. The catheter is configured to advance with respect to the inner needle. The deflection suppression mechanism comprises a contact support portion that contacts the catheter when the catheter advances with respect to the inner needle. The contact support portion is configured to contact the catheter at (i) a location proximal of a distal-most one of the one or more sub openings, and/or (ii) a location proximal of a step portion generated in the catheter as the one or more sub lumens are formed.Type: ApplicationFiled: October 3, 2023Publication date: January 25, 2024Applicant: TERUMO KABUSHIKI KAISHAInventor: Masahiro ISHIDA
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Publication number: 20240027483Abstract: A component measurement system includes an elongated test strip with a thin plate shape having a flow path for accommodating a liquid, and a component measurement device configured to accommodate the test strip and to detect a component in the liquid. The component measurement device includes a gripping mechanism that grips the test strip while biasing the test strip from a width direction.Type: ApplicationFiled: September 29, 2023Publication date: January 25, 2024Applicant: TERUMO KABUSHIKI KAISHAInventors: Yuma Hayashida, Takeyuki Moriuchi
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Patent number: 11877765Abstract: A vessel harvesting apparatus for removing a blood vessel from a patient includes collection and conditioning (i.e., treatment) of expelled insufflation gas prior to releasing the gas into the air of the operating room. An endoscopic instrument has a distal end with a vessel harvesting tip and has a proximal end with a handle. An insufflation channel is configured to convey an insufflation gas subcutaneously into a dissected space within the patient. A removal channel is configured to evacuate fluidic contents from the dissected space, wherein the fluidic contents include insufflation gas and biological impurities. A processor/separator is coupled to the removal channel to process the fluidic contents to retain at least some of the biological impurities and to exhaust the insufflation gas.Type: GrantFiled: June 26, 2020Date of Patent: January 23, 2024Assignee: Terumo Cardiovascular Systems CorporationInventors: Tatsunori Fujii, Randal J. Kadykowski