Patents Assigned to Kabushiki Kaisha Top
  • Patent number: 11122964
    Abstract: A treatment-instrument insertion aid (10) for aiding insertion of a treatment-instrument into a body includes an outer tube (30) having flexibility including a plurality of guiding portions (31) circumferentially spaced apart on an inner peripheral surface and extend in an axial direction from a distal end to a proximal end, a plurality of rail members (40) having flexibility, extend in an axial direction from a distal end to a proximal end and include guided portions (41) to be engaged with the guiding portions (31) respectively, and an inner tube (20) having flexibility and includes an engaged portion (21) to be engaged with an engaging portion (50) formed between the inner peripheral surface of the outer tube (30) and the adjacent rail members (40). The rail members (40) are fixed to a hard portion (30B) nearest to the distal end side of the outer tube (30).
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: September 21, 2021
    Assignees: KEIO UNIVERSITY, KABUSHIKI KAISHA TOP
    Inventors: Norihito Wada, Takuya Miyazaki, Yoshihiko Himura
  • Patent number: 11026721
    Abstract: A medical needle with a protector (1) includes: a hub (3) that supports a needle tube (2); a protector (4) capable of storing the needle tube (2); a first lock unit (42a, 42b, 73) that locks the hub (3) to the protector (4) capable of unlocking; and a second lock unit (43, 44, 74, 75) that locks the hub (3) to the protector (4) incapable of unlocking. The hub front end has a pair of first protrusion portions (74) in the vertical direction and a pair of second protrusion portions (75) in the horizontal direction. The protector rear end has a pair of protrusion pieces (43) in the horizontal direction and a pair of side wall portions (44) in the vertical direction. The space between the side wall portions (44) is the width of the protrusion portions (74 and 75) or larger and the height of the same or smaller.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: June 8, 2021
    Assignee: KABUSHIKI KAISHA TOP
    Inventors: Daisuke Nakagawa, Sho Takayanagi, Dai Takahashi
  • Publication number: 20190216296
    Abstract: A medical instrument includes: a plurality of inner tubes into each of which a flexible shaft of a surgical instrument that is provided with a surgical tool on a leading end-side portion thereof can be inserted; an outer tube into which the plurality of inner tubes can be inserted and that is to be inserted into a body cavity; and inner tube drive mechanisms each of which includes an operational element for bending an inner tube corresponding thereto and electrically controls the operational element thereof.
    Type: Application
    Filed: March 25, 2019
    Publication date: July 18, 2019
    Applicants: MEDICAROID CORPORATION, KABUSHIKI KAISHA TOP, KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Kazutoshi KAN, Takuya MIYAZAKI, Yoshihiko HIMURA
  • Publication number: 20190216556
    Abstract: A surgical system includes: a plurality of surgical instruments each of which includes a flexible shaft provided with a surgical tool on a leading end-side portion thereof, a supporting platform that supports the plurality of surgical instruments; a medical instrument that includes a plurality of flexible inner tubes into which the flexible shafts of the surgical instruments can be inserted, and an outer tube into which the plurality of flexible inner tubes can be inserted and that is to be inserted into a body cavity; and a gripping mechanism that includes a gripping portion that grips the outer tube, and a supporting portion that includes at least one joint portion and that fixes and supports the gripping portion, the at least one joint portion making the medical instrument adjustable regarding the position and orientation thereof.
    Type: Application
    Filed: March 25, 2019
    Publication date: July 18, 2019
    Applicants: MEDICAROID CORPORATION, KABUSHIKI KAISHA TOP, KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Kazutoshi KAN, Takuya MIYAZAKI, Yoshihiko HIMURA
  • Publication number: 20190133639
    Abstract: A medical needle with a protector (1) includes: a hub (3) that supports a needle tube (2); a protector (4) capable of storing the needle tube (2); a first lock unit (42a, 42b, 73) that locks the hub (3) to the protector (4) capable of unlocking; and a second lock unit (43, 44, 74, 75) that locks the hub (3) to the protector (4) incapable of unlocking. The hub front end has a pair of first protrusion portions (74) in the vertical direction and a pair of second protrusion portions (75) in the horizontal direction. The protector rear end has a pair of protrusion pieces (43) in the horizontal direction and a pair of side wall portions (44) in the vertical direction. The space between the side wall portions (44) is the width of the protrusion portions (74 and 75) or larger and the height of the same or smaller.
    Type: Application
    Filed: March 17, 2017
    Publication date: May 9, 2019
    Applicant: KABUSHIKI KAISHA TOP
    Inventors: Daisuke Nakagawa, Sho Takayanagi, Dai Takahashi
  • Patent number: 10271874
    Abstract: A surgical tool insertion aid is provided which enables simultaneous use of multiple surgical tools, as well as the independent exchange of a surgical tool during surgery. A tubular surgical tool insertion aid 1 aids insertion of surgical tools 11 and 13 into the body, and includes: an inner tube 2 into which the surgical tools 11 and 13 are insertable, and which is insertable into the surgical tool insertion aid 1; and a plurality of guide members 3 which are extended in the axial direction from a distal end side to a proximal end side in the inner peripheral surface of the surgical tool insertion aid 1. The inner tube 2 includes, on the outer peripheral surface thereof, an engaging member 4 that engages with the guide member 3 to be made slidable.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: April 30, 2019
    Assignees: KEIO UNIVERSITY, KABUSHIKI KAISHA TOP
    Inventors: Norihito Wada, Takuya Miyazaki, Yoshihiko Himura
  • Patent number: 9205245
    Abstract: A female-side connector having a lock mechanism for obtaining a favorable fastening force constantly. The female-side connector includes a central axis of a root in a male screw portion of a female-side lock portion that is screwed together with a female screw portion of a male-side lock portion in a male-side connector that intersects at a predetermined angle relative to a central axis of a thread.
    Type: Grant
    Filed: September 28, 2011
    Date of Patent: December 8, 2015
    Assignee: KABUSHIKI KAISHA TOP
    Inventors: Minoru Someya, Seiichi Iida
  • Publication number: 20130304038
    Abstract: [Problem to be Solved] To provide a female-side connector having a lock mechanism which could obtain a favorable fastening force constantly. [Solution] In a female-side connector 10, a central axis 13 of a root 15 in a male screw portion 12 of a female-side lock portion 41 screwing together with a female screw portion 23 of a male-side lock portion 42 in a male-side connector 20 intersects at a predetermined angle relative to a central axis 14 of a thread 16.
    Type: Application
    Filed: September 28, 2011
    Publication date: November 14, 2013
    Applicant: KABUSHIKI KAISHA TOP
    Inventors: Minoru Someya, Seiichi Iida
  • Patent number: 8187264
    Abstract: In a needle electrode device with a temperature sensor, having a hollow outer needle (1), which can be pierced into an affected area and is coated with an insulating layer (11) on an outer peripheral surface except at its distal end, and an inner needle (2), which is passed through the outer needle and has the temperature sensor (21) at its distal end, so that a high frequency current is supplied to the outer needle through the inner needle, and having a coupled tube (3) coupled to the rear end of the outer needle, so that the rear end (22) of the inner needle is inserted into the coupled tube in such a way as to be freely adjustable in its position in an axial direction, the position adjustment of the inner needle is provided with a simple operation. The coupled tube (3) is provided inside with a spring member (32) including a winding portion (32a) around the outer circumference of the rear end (22) of the inner needle (2) and a fixed portion (32b) fixed to the coupled tube (3).
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: May 29, 2012
    Assignee: Kabushiki Kaisha Top
    Inventor: Susumu Kobayashi
  • Publication number: 20090228004
    Abstract: In a needle electrode device with a temperature sensor, having a hollow outer needle (1), which can be pierced into an affected area and is coated with an insulating layer (11) on an outer peripheral surface except at its distal end, and an inner needle (2), which is passed through the outer needle and has the temperature sensor (21) at its distal end, so that a high frequency current is supplied to the outer needle through the inner needle, and having a coupled tube (3) coupled to the rear end of the outer needle, so that the rear end (22) of the inner needle is inserted into the coupled tube in such a way as to be freely adjustable in its position in an axial direction, the position adjustment of the inner needle is provided with a simple operation. The coupled tube (3) is provided inside with a spring member (32) including a winding portion (32a) around the outer circumference of the rear end (22) of the inner needle (2) and a fixed portion (32b) fixed to the coupled tube (3).
    Type: Application
    Filed: July 28, 2006
    Publication date: September 10, 2009
    Applicant: KABUSHIKI KAISHA TOP
    Inventor: Susumu Kobayashi
  • Patent number: 7229276
    Abstract: The present invention provides a manufacturing method for manufacturing an outer tube of an injector having a barrel portion having an excellent circularity, while preventing generation of distortion or warp. A molten resin is injected into a cavity 17 of a metal mold 11 including: a fixed mold 13 having a hole portion 12 having a shape along the outer shape of the injector outer tube 1; a movable mold 14 closing the hole portion 12; and a core 15 inserted into the hole portion 12. A cylindrical vacant portion is provided communicating with a flange forming portion 20 of the hole portion 12. The molten resin R is injected from a sprue 22 and a runner 23 via a submarine gate 24 into the cylindrical vacant portion 21 and the molten resin R is introduced into the cavity 17. The cylindrical vacant portion 21 has a push pin 25. When the molten resin has become half-molten state, the resin in the cylindrical vacant portion is introduced with pressure into the cavity 17 by the push pin 25.
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: June 12, 2007
    Assignee: Kabushiki Kaisha Top
    Inventor: Atsushi Chiba
  • Patent number: 7198746
    Abstract: A method for connecting a member includes the steps of providing a member to be connected having a flange at an end to be connected with a bucklingly deformable synthetic resin member having an overhanging portion which overhangs the flange. A synthetic resin member is selected from the group a polystyrene, a styrene copolymer, an acrylic resin, a polycarbonate, a polyvinyl chloride, a polymethyl methacrylate, a polyamide, a polyacetal, a polyethylene terephthalate, a fluorocarbon resin and a thermoplastic polyurethane. The overhanging portion of the synthetic resin member is disposed over the flange of the member to be connected with the tip of the overhanging portion being bucklingly deformed toward the member to be connected to the extent that stress rupture does not occur. The flange is locked by the bucklingly deformed tip of the overhanging portion.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: April 3, 2007
    Assignee: Kabushiki Kaisha Top
    Inventor: Kaoru Kobayashi
  • Patent number: 7166115
    Abstract: A ligation treating apparatus including plurality of ligation rings aligned and held in a cylinder portion which is formed by an inner cylindrical portion and an outer cylindrical portion. A piston member for pushing out the ligation rings is provided in the cylindrical portion. Air introduction means for forcing air into the cylinder portion is also provided. An annular groove for holding the foremost ligation ring is formed at the front end of the inner cylindrical portion. An air discharge port is formed at the bottom of the annular groove. The air discharge port discharges air from the cylinder portion so as to stop the piston member when the ligation ring is moved out of the annular groove.
    Type: Grant
    Filed: August 5, 2003
    Date of Patent: January 23, 2007
    Assignee: Kabushiki Kaisha Top
    Inventor: Hirohito Suzuki
  • Publication number: 20070003662
    Abstract: The present invention provides a manufacturing method for manufacturing an outer tube of an injector having a barrel portion having an excellent circularity, while preventing generation of distortion or warp. A molten resin is injected into a cavity 17 of a metal mold 11 including: a fixed mold 13 having a hole portion 12 having a shape along the outer shape of the injector outer tube 1; a movable mold 14 closing the hole portion 12; and a core 15 inserted into the hole portion 12. A cylindrical vacant portion is provided communicating with a flange forming portion 20 of the hole portion 12. The molten resin R is injected from a sprue 22 and a runner 23 via a submarine gate 24 into the cylindrical vacant portion 21 and the molten resin R is introduced into the cavity 17. The cylindrical vacant portion 21 has a push pin 25. When the molten resin has become half-molten state, the resin in the cylindrical vacant portion is introduced with pressure into the cavity 17 by the push pin 25.
    Type: Application
    Filed: September 5, 2006
    Publication date: January 4, 2007
    Applicant: KABUSHIKI KAISHA TOP
    Inventor: Atsushi Chiba
  • Patent number: 7087037
    Abstract: There is provided an injector having a gasket held in excellent intimate contact with an inner wall surface of a barrel and shortened in overall length. A gasket is joined to a mount base disposed on a tip end of a plunger and having a bendable portion which bends toward an axis of the plunger radially outwardly of the mount base. The gasket is joined to the mount base with a gap left for allowing the bendable portion to bend toward the tip end of the plunger when the gasket slides toward an injection needle. The gasket is made of a synthetic resin having an A-scale Shore hardness in the range from 20 to 70. The gasket has a groove define therein radially outwardly of the mount base, and the bendable portion comprises a portion of the gasket disposed radially outwardly of the groove.
    Type: Grant
    Filed: March 9, 2001
    Date of Patent: August 8, 2006
    Assignee: Kabushiki Kaisha Top
    Inventors: Atsushi Chiba, Kazuhiro Ichikawa
  • Patent number: 6942642
    Abstract: There is here provided an easily operable winged indwelling needle capable of surely preventing accidental sticking. A winged indwelling needle 1 comprises a hollow needle 2 having a knife point at its tip, a hub 3 provided at a rear end of the hollow needle 2, a tub-shaped member 6 for housing the hollow needle 2 and the hub 3, a pair of wing-shaped members 7 provided on an outer surface side of a side wall of the tub-shaped member 6, protrusion maintaining means for releasably maintaining a state in which the hollow needle 2 is protruded as much as a predetermined length from a tip of the tub-shaped member 6, and housing maintaining means for maintaining a state in which the hollow needle 2 is housed in the tub-shaped member 6. The above winged indwelling needle further comprises a rack 4 provided in junction with the rear end of the hub 3, and a gear 8 engaged with the rack and supported on an inner surface side of the side wall of the tub-shaped member 6.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: September 13, 2005
    Assignee: Kabushiki Kaisha Top
    Inventor: Takashi Suzuki
  • Patent number: 6939331
    Abstract: There is here provided a wing-like needle protector which can surely prevent mistaken sticking, and can safely cap a hollow needle. The wing-like needle protector for housing a wing-like needle 1 which comprises a hollow needle 2, a holding cylinder 3 for holding a rear end of the hollow needle 2, and a pair of wing pieces 4, 4 formed integrally with the holding cylinder 3 so as to freely coalesce with each other. The protector comprises a gutter-shaped member 7 for housing the hollow needle 2, the holding cylinder 3 and the coalesced wing pieces 4, 4, and a gripper 8 protruded outward from a bottom surface of the gutter-shaped member 7. The gutter-shaped member 7 has a closed tip 9a of a portion 9 for housing the hollow needle 2, an opened rear end 10a of a portion 10 for housing the holding cylinder 3, and a narrowed area 7a where the holding cylinder 3 is fitted in a bottom portion, and the holding cylinder 3 is engaged with the narrowed area 7a.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: September 6, 2005
    Assignee: Kabushiki Kaisha Top
    Inventor: Hiroshi Ohshima
  • Patent number: D668336
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: October 2, 2012
    Assignee: Kabushiki Kaisha Top
    Inventor: Kiwamu Yanagawa
  • Patent number: D670386
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: November 6, 2012
    Assignee: Kabushiki Kaisha Top
    Inventor: Kiwamu Yanagawa
  • Patent number: D689506
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: September 10, 2013
    Assignee: Kabushiki Kaisha Top
    Inventor: Kiwamu Yanagawa