Patents by Inventor Kazunori Kudo

Kazunori Kudo 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).

  • Patent number: 11938019
    Abstract: An intraocular lens insertion device which dramatically reduces the possibility that a plunger damages an intraocular lens, and which can safely and surely insert an intraocular lens into an eye is provided. An intraocular lens insertion unit comprises a lens disposing part for disposing an intraocular lens, a plunger for pushing out the intraocular lens disposed at the lens disposing part, a transition part for deforming the intraocular lens pushed out by the plunger, and a nozzle for ejecting the deformed intraocular lens. The plunger has a lens contact part for contacting the outer edge of the intraocular lens, and a protrusive part for pushing the lens contact part downward the intraocular lens by the deformation of the intraocular lens, both lens contact part and protrusive part are provided at the leading end of the plunger.
    Type: Grant
    Filed: March 18, 2023
    Date of Patent: March 26, 2024
    Assignee: Hoya Corporation
    Inventors: Kenji Someya, Takashi Ichinohe, Kazunori Kudo
  • Publication number: 20230372083
    Abstract: There is provided an intraocular lens injector 1 that advances an intraocular lens 4 including an optical portion 41 with an optical function and support portions 42a and 42b that extend from the optical portion 41 through a tube while folding the lens, and emits the lens from a nozzle, wherein protrusions 15 are located at both the left and right corners at an upper side of an inner wall 30 of the tube, in a cross-sectional view perpendicular to an advancement direction of the intraocular lens 4, so that the protrusions 15 prevent the optical portion 41 and the support portions 42a, 42b from entering both the left and right corners, when the intraocular lens 4 is folded while advancing. Its related art is also provided.
    Type: Application
    Filed: August 30, 2021
    Publication date: November 23, 2023
    Inventor: Kazunori KUDO
  • Publication number: 20230225858
    Abstract: An intraocular lens insertion device which dramatically reduces the possibility that a plunger damages an intraocular lens, and which can safely and surely insert an intraocular lens into an eye is provided. An intraocular lens insertion unit comprises a lens disposing part for disposing an intraocular lens, a plunger for pushing out the intraocular lens disposed at the lens disposing part, a transition part for deforming the intraocular lens pushed out by the plunger, and a nozzle for ejecting the deformed intraocular lens. The plunger has a lens contact part for contacting the outer edge of the intraocular lens, and a protrusive part for pushing the lens contact part downward the intraocular lens by the deformation of the intraocular lens, both lens contact part and protrusive part are provided at the leading end of the plunger.
    Type: Application
    Filed: March 18, 2023
    Publication date: July 20, 2023
    Inventors: Kenji Someya, Takashi Ichinohe, Kazunori Kudo
  • Patent number: 11617643
    Abstract: An intraocular lens insertion device which dramatically reduces the possibility that a plunger damages an intraocular lens, and which can safely and surely insert an intraocular lens into an eye is provided. An intraocular lens insertion unit comprises a lens disposing part for disposing an intraocular lens, a plunger for pushing out the intraocular lens disposed at the lens disposing part, a transition part for deforming the intraocular lens pushed out by the plunger, and a nozzle for ejecting the deformed intraocular lens. The plunger has a lens contact part for contacting the outer edge of the intraocular lens, and a protrusive part for pushing the lens contact part downward the intraocular lens by the deformation of the intraocular lens, both lens contact part and protrusive part are provided at the leading end of the plunger.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: April 4, 2023
    Assignee: Hoya Corporation
    Inventors: Kenji Someya, Takashi Ichinohe, Kazunori Kudo
  • Publication number: 20220151767
    Abstract: There is provided an intraocular lens injector for improving accuracy of tacking, which is an intraocular lens injector 1 for injecting an intraocular lens 4 into an eye, the intraocular lens including an optical portion 41 having an optical function and support portions 42a and 42b extending from the optical portion 41, including: a protrusion 20 for bending a forward support portion 42a while abutting against the forward support portion 42a, the forward support portion being one of the support portions 42a and 42b and being disposed on the front side in an advancing direction of the intraocular lens, when making the intraocular lens 4 advance along an inner wall of a hollow body in which the intraocular lens 4 is set and thereby releasing the intraocular lens 4 from the hollow body in a state in which the intraocular lens 4 is folded with an inner surface of the optical portion 41 facing inward, wherein the protrusion 20 has a retainer that temporarily suppresses progress of bending of the forward support p
    Type: Application
    Filed: December 23, 2019
    Publication date: May 19, 2022
    Inventor: Kazunori KUDO
  • Patent number: 11033382
    Abstract: There is provided an intraocular lens injector including: a hollow body composed of an injector main body 5 having a lens installing portion on which an intraocular lens is installed, and an injection tube 7 attached to a tip part of the injector body 5; a rotary member 8 having a first threaded portion formed thereon and attached to a rear end part of the injector body 5 that constitutes the hollow body, rotatably around an axis of the hollow body; a plunger 9 having a second threaded portion 9c formed thereon, and configured to move through the hollow body in an axial direction of the hollow body; a rod 10 configured to push out the intraocular lens from the lens installing portion by moving through the hollow body in the axial direction of the hollow body together with the plunger 9, wherein a tip side of the plunger 9 is injected into the hollow body in a state in which the first threaded portion and the second threaded portion 9c are meshed with each other, and a rear end side of the plunger 9 is dispose
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: June 15, 2021
    Assignee: Hoya Corporation
    Inventors: Yoshitaka Watanabe, Kazunori Kudo
  • Publication number: 20210145570
    Abstract: There is provided an intraocular ring injector which allows an operator to stably and normally house the intraocular ring in the intraocular ring injector, which is an intraocular ring injector 20 with a container configured so that an intraocular ring injector 10 is housed in a container 4, for injecting an intraocular ring C into an eye for retaining a shape of a lens capsule, the intraocular ring injector comprising: a hollow body 1 having a hollow part in which the intraocular ring C is housed; a plunger 2 that moves through an inside of the hollow body 1 in an axial direction of the hollow body 1; and a pushing member 3 that pushes out the intraocular ring C by moving together with the plunger 2 through the inside of the hollow body 1 and toward front part of the hollow body 1 in the axial direction, wherein the container 4 has a moving mechanism of moving the hollow body 1 and the plunger 2 relatively in the axial direction, while housing the intraocular ring injector 10 in the container 4.
    Type: Application
    Filed: April 25, 2019
    Publication date: May 20, 2021
    Inventor: Kazunori KUDO
  • Patent number: 10849738
    Abstract: There is provided an intraocular lens injector configured to inject an intraocular lens having an optical portion 8 and a pair of support portions 9a, 9b, including: an injector main body 2 having a lens setting portion 6 on which the intraocular lens 7 is set; a pushing member 5 that pushes out the intraocular lens 7 from the lens setting portion 6 by moving in a direction of a central axis of the injector main body 2; and a guide slope 11 that guides the movement of the pushing member 5 when the pushing member 5 moves in the direction of the central axis of the injector main body 2, wherein when the pushing member 5 moves in the direction of the central axis of the injector main body 2, a tip end part of the pushing member 5 comes into contact with the support portions 9b of the intraocular lens 7, and comes into contact with the optical portion 8 while pushing the support portions 9b, and the guide slope 11 guides the movement of the pushing member 5 so that the tip end part of the pushing member 5 is disp
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: December 1, 2020
    Assignee: Hoya Corporation
    Inventor: Kazunori Kudo
  • Patent number: 10799339
    Abstract: There is provided an intraocular lens injector configured to inject an intraocular lens 7 having an optical portion 8 and a pair of support portions 9a, 9b extending from the optical portion 8 into an eye, including: an injector main body 2 having a lens setting portion 6 on which the intraocular lens 7 is set; a holding portion 14 that holds a tip end part of a front support portion 9a of the pair of support portions 9a, 9b, which is disposed in front of the lens setting portion 6; and a guide mechanism (11c, 14a) that guides the optical portion 8 to pass under the holding portion 14 when the intraocular lens 7 is pushed out by the pushing member 5 so that the optical portion 8 is displaced downward relatively to the front support portion 9a held by the holding portion 14.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: October 13, 2020
    Assignee: Hoya Corporation
    Inventor: Kazunori Kudo
  • Publication number: 20200113674
    Abstract: An intraocular lens insertion device which dramatically reduces the possibility that a plunger damages an intraocular lens, and which can safely and surely insert an intraocular lens into an eye is provided. An intraocular lens insertion unit comprises a lens disposing part for disposing an intraocular lens, a plunger for pushing out the intraocular lens disposed at the lens disposing part, a transition part for deforming the intraocular lens pushed out by the plunger, and a nozzle for ejecting the deformed intraocular lens. The plunger has a lens contact part for contacting the outer edge of the intraocular lens, and a protrusive part for pushing the lens contact part downward the intraocular lens by the deformation of the intraocular lens, both lens contact part and protrusive part are provided at the leading end of the plunger.
    Type: Application
    Filed: August 23, 2019
    Publication date: April 16, 2020
    Inventors: Kenji Someya, Takashi Ichinohe, Kazunori Kudo
  • Patent number: 10405971
    Abstract: An intraocular lens insertion device which dramatically reduces the possibility that a plunger damages an intraocular lens, and which can safely and surely insert an intraocular lens into an eye is provided. An intraocular lens insertion unit comprises a lens disposing part for disposing an intraocular lens, a plunger for pushing out the intraocular lens disposed at the lens disposing part, a transition part for deforming the intraocular lens pushed out by the plunger, and a nozzle for ejecting the deformed intraocular lens. The plunger has a lens contact part for contacting the outer edge of the intraocular lens, and a protrusive part for pushing the lens contact part downward the intraocular lens by the deformation of the intraocular lens, both lens contact part and protrusive part are provided at the leading end of the plunger.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: September 10, 2019
    Assignee: Hoya Corporation
    Inventors: Kenji Someya, Takashi Ichinohe, Kazunori Kudo
  • Patent number: 10390940
    Abstract: An intraocular lens insertion device which dramatically reduces the possibility that a plunger damages an intraocular lens, and which can safely and surely insert an intraocular lens into an eye is provided. An intraocular lens insertion unit comprises a lens disposing part for disposing an intraocular lens, a plunger for pushing out the intraocular lens disposed at the lens disposing part, a transition part for deforming the intraocular lens pushed out by the plunger, and a nozzle for ejecting the deformed intraocular lens. The plunger has a lens contact part for contacting the outer edge of the intraocular lens, and a protrusive part for pushing the lens contact part downward the intraocular lens by the deformation of the intraocular lens, both lens contact part and protrusive part are provided at the leading end of the plunger.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: August 27, 2019
    Assignee: Hoya Corporation
    Inventors: Kenji Someya, Takashi Ichinohe, Kazunori Kudo
  • Patent number: 10383723
    Abstract: An intraocular lens injector (1) includes: a hollow body having an injector body (5) provided with a lens placement portion (11) on which an intraocular lens is placed, and a screw member (8) with a first threaded portion (8b) formed thereon and connected to a rear end portion of the injector body (5), and rotatable around an axis of the injector body (5) without moving in an axial direction of the injector body; and a moving member (9, 10) having a second threaded portion (9c) that engages with the first threaded portion (8b) from an initial state before use, and configured to release the intraocular lens from a tip of an injection tube 7 by moving in an axial direction of the injector body (5) independently from the screw member (8) due to an engagement of the first threaded portion (8b) and the second threaded portion (9c), during a rotating operation of the screw member (8).
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: August 20, 2019
    Assignee: Hoya Corporation
    Inventor: Kazunori Kudo
  • Publication number: 20190151078
    Abstract: There is provided an intraocular lens injector including: a hollow body composed of an injector main body 5 having a lens installing portion on which an intraocular lens is installed, and an injection tube 7 attached to a tip part of the injector body 5; a rotary member 8 having a first threaded portion formed thereon and attached to a rear end part of the injector body 5 that constitutes the hollow body, rotatably around an axis of the hollow body; a plunger 9 having a second threaded portion 9c formed thereon, and configured to move through the hollow body in an axial direction of the hollow body; a rod 10 configured to push out the intraocular lens from the lens installing portion by moving through the hollow body in the axial direction of the hollow body together with the plunger 9, wherein a tip side of the plunger 9 is injected into the hollow body in a state in which the first threaded portion and the second threaded portion 9c are meshed with each other, and a rear end side of the plunger 9 is dispose
    Type: Application
    Filed: June 28, 2017
    Publication date: May 23, 2019
    Inventors: Yoshitaka WATANABE, Kazunori KUDO
  • Publication number: 20180353287
    Abstract: There is provided an intraocular lens injector configured to inject an intraocular lens 7 having an optical portion 8 and a pair of support portions 9a, 9b extending from the optical portion 8 into an eye, including: an injector main body 2 having a lens setting portion 6 on which the intraocular lens 7 is set; a holding portion 14 that holds a tip end part of a front support portion 9a of the pair of support portions 9a, 9b, which is disposed in front of the lens setting portion 6; and a guide mechanism (11c, 14a) that guides the optical portion 8 to pass under the holding portion 14 when the intraocular lens 7 is pushed out by the pushing member 5 so that the optical portion 8 is displaced downward relatively to the front support portion 9a held by the holding portion 14.
    Type: Application
    Filed: September 15, 2016
    Publication date: December 13, 2018
    Inventor: Kazunori Kudo
  • Publication number: 20180250125
    Abstract: There is provided an intraocular lens injector configured to inject an intraocular lens having an optical portion 8 and a pair of support portions 9a, 9b, including: an injector main body 2 having a lens setting portion 6 on which the intraocular lens 7 is set; a pushing member 5 that pushes out the intraocular lens 7 from the lens setting portion 6 by moving in a direction of a central axis of the injector main body 2; and a guide slope 11 that guides the movement of the pushing member 5 when the pushing member 5 moves in the direction of the central axis of the injector main body 2, wherein when the pushing member 5 moves in the direction of the central axis of the injector main body 2, a tip end part of the pushing member 5 comes into contact with the support portions 9b of the intraocular lens 7, and comes into contact with the optical portion 8 while pushing the support portions 9b, and the guide slope 11 guides the movement of the pushing member 5 so that the tip end part of the pushing member 5 is disp
    Type: Application
    Filed: September 15, 2016
    Publication date: September 6, 2018
    Inventor: Kazunori Kudo
  • Patent number: 10039668
    Abstract: An exemplary ocular implant insertion system includes a case and a preloaded ocular implant insertion apparatus. The apparatus includes first and second movable structures that move the ocular implant in a predetermined sequence. The respective configurations of the case and the ocular implant insertion apparatus are such that the ocular implant insertion apparatus is not removable from the case when the ocular implant insertion apparatus is in the pre-use state and is removable after the first movable structure has moved at least a portion of the optical implant.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: August 7, 2018
    Assignee: Hoya Corporation
    Inventors: Kazunori Kudo, Masahiro Noda
  • Patent number: 9980811
    Abstract: An exemplary ocular implant insertion system includes a case and a preloaded ocular implant insertion apparatus. The apparatus includes first and second movable structures that move the ocular implant in a predetermined sequence. The respective configurations of the case and the ocular implant insertion apparatus are such that the ocular implant insertion apparatus is not removable from the case when the ocular implant insertion apparatus is in the pre-use state and is removable after the first movable structure has moved at least a portion of the optical implant.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: May 29, 2018
    Assignee: Hoya Corporation
    Inventors: Kazunori Kudo, Masahiro Noda
  • Patent number: 9901442
    Abstract: There is provided an intraocular lens insertion device capable of appropriately regulating the motion of a rear supporting portion during a process of moving an intraocular lens, and reducing the possibility of reoperation being required after the intraocular lens is inserted into an eye. An intraocular lens insertion device 1 comprises a main body 2, and a slider 3 and a plunger 4 that are attached to the main body 2. Further, the intraocular lens insertion device 1 is of a preset type in which an intraocular lens 5 is placed inside the main body 2 in advance. The slider 3 includes a first abutting portion 21 for pushing up a supporting portion 7 (rear supporting portion 7a) arranged on a rear side of an optical part 6 with respect to a lens advancement axis A, and second abutting portions 22a, 22b abutting against an outer edge of a rear portion of the optical part 6.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: February 27, 2018
    Assignee: Hoya Corporation
    Inventors: Kazunori Kudo, Masahiro Noda
  • Patent number: 9877826
    Abstract: There is provided an intraocular lens insertion device capable of appropriately regulating the motion of a rear supporting portion during a process of moving an intraocular lens, and reducing the possibility of reoperation being required after the intraocular lens is inserted into an eye. An intraocular lens insertion device 1 comprises a main body 2, and a slider 3 and a plunger 4 that are attached to the main body 2. Further, the intraocular lens insertion device 1 is of a preset type in which an intraocular lens 5 is placed inside the main body 2 in advance. The slider 3 includes a first abutting portion 21 for pushing up a supporting portion 7 (rear supporting portion 7a) arranged on a rear side of an optical part 6 with respect to a lens advancement axis A, and second abutting portions 22a, 22b abutting against an outer edge of a rear portion of the optical part 6.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: January 30, 2018
    Assignee: Hoya Corporation
    Inventors: Kazunori Kudo, Masahiro Noda