Patents by Inventor Norihito Wada

Norihito Wada 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: 12082779
    Abstract: Provided is an endoscope holder capable of turning or swinging an endoscope inserted into a body with the endoscope fixed at a predetermined insertion position. An endoscope holder (1) includes a holder main body (3) having an insertion hole (2), gripping members (7a) and (7b) configured to pinch an endoscope E inserted into the insertion hole (2), first elastic members (12a) and (12b) configured to urge in a direction in which the gripping members (7a) and (7b) are separated from each other, a pressing member (13) configure to press the gripping member (7a) toward the gripping member (7b), a switching mechanism (17) configured to hold or release a pressing state, rollers (10) provided in gripping members (7a) and (7b), and a second elastic member (15) configured to swingably support the gripping member (7b).
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: September 10, 2024
    Assignees: KEIO UNIVERSITY, WAKO INDUSTRIES CO., LTD., SAITAMA CHAMBER OF COMMERCE AND INDUSTRY
    Inventors: Naohisa Yahagi, Norihito Wada, Itsuro Ogawa, Satoru Ogawa, Yuzuru Inoue, Mitsuru Yoda
  • Publication number: 20230000323
    Abstract: Provided is an endoscope holder capable of turning or swinging an endoscope inserted into a body with the endoscope fixed at a predetermined insertion position. An endoscope holder (1) includes a holder main body (3) having an insertion hole (2), gripping members (7a) and (7b) configured to pinch an endoscope E inserted into the insertion hole (2), first elastic members (12a) and (12b) configured to urge in a direction in which the gripping members (7a) and (7b) are separated from each other, a pressing member (13) configure to press the gripping member (7a) toward the gripping member (7b), a switching mechanism (17) configured to hold or release a pressing state, rollers (10) provided in gripping members (7a) and (7b), and a second elastic member (15) configured to swingably support the gripping member (7b).
    Type: Application
    Filed: September 13, 2022
    Publication date: January 5, 2023
    Inventors: Naohisa Yahagi, Norihito Wada, Itsuro Ogawa, Satoru Ogawa, Yuzuru Inoue, Mitsuru Yoda
  • Patent number: 11464396
    Abstract: Provided is an endoscope holder capable of turning or swinging an endoscope inserted into a body with the endoscope fixed at a predetermined insertion position. An endoscope holder (1) includes a holder main body (3) having an insertion hole (2), gripping members (7a) and (7b) configured to pinch an endoscope E inserted into the insertion hole (2), first elastic members (12a) and (12b) configured to urge in a direction in which the gripping members (7a) and (7b) are separated from each other, a pressing member (13) configure to press the gripping member (7a) toward the gripping member (7b), a switching mechanism (17) configured to hold or release a pressing state, rollers (10) provided in gripping members (7a) and (7b), and a second elastic member (15) configured to swingably support the gripping member (7b).
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: October 11, 2022
    Assignees: KEIO UNIVERSITY, WAKO INDUSTRIES CO, LTD., SAITAMA CHAMBER OF COMMERCE AND INDUSTRY
    Inventors: Naohisa Yahagi, Norihito Wada, Itsuro Ogawa, Satoru Ogawa, Yuzuru Inoue, Mitsuru Yoda
  • Patent number: 11272833
    Abstract: A treatment-instrument insertion aid (10) for aiding insertion of a treatment instrument into a body includes an inner tube (20) having flexibility into which the treatment instrument is insertable, and an outer tube (30) having flexibility into which the inner tube (20) is insertable. Both end portions (20B) of the inner tube (20) are formed of a hard material, and an intermediate portion (20A) between both the end portions (20B) is formed of a soft material.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: March 15, 2022
    Assignees: KEIO UNIVERSITY, KABUSHIKI KAISHA TOP
    Inventors: Norihito Wada, Takuya Miyazaki, Yoshihiko Himura
  • 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
  • Publication number: 20190125170
    Abstract: Provided is an endoscope holder capable of turning or swinging an endoscope inserted into a body with the endoscope fixed at a predetermined insertion position. An endoscope holder (1) includes a holder main body (3) having an insertion hole (2), gripping members (7a) and (7b) configured to pinch an endoscope E inserted into the insertion hole (2), first elastic members (12a) and (12b) configured to urge in a direction in which the gripping members (7a) and (7b) are separated from each other, a pressing member (13) configure to press the gripping member (7a) toward the gripping member (7b), a switching mechanism (17) configured to hold or release a pressing state, rollers (10) provided in gripping members (7a) and (7b), and a second elastic member (15) configured to swingably support the gripping member (7b).
    Type: Application
    Filed: February 20, 2017
    Publication date: May 2, 2019
    Inventors: Naohisa Yahagi, Norihito Wada, Itsuro Ogawa, Satoru Ogawa, Yuzuru Inoue, Mitsuru Yoda
  • 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
  • Publication number: 20180055337
    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: Application
    Filed: March 12, 2015
    Publication date: March 1, 2018
    Inventors: Norihito Wada, Takuya Miyazaki, Yoshihiko Himura
  • Publication number: 20180049624
    Abstract: A treatment-instrument insertion aid (10) for aiding insertion of a treatment instrument into a body includes an inner tube (20) having flexibility into which the treatment instrument is insertable, and an outer tube (30) having flexibility into which the inner tube (20) is insertable. Both end portions (20B) of the inner tube (20) are formed of a hard material, and an intermediate portion (20A) between both the end portions (20B) is formed of a soft material.
    Type: Application
    Filed: March 12, 2015
    Publication date: February 22, 2018
    Inventors: Norihito Wada, Takuya Miyazaki, Yoshihiko Himura
  • Publication number: 20160331402
    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: Application
    Filed: January 9, 2015
    Publication date: November 17, 2016
    Inventors: Norihito Wada, Takuya Miyazaki, Yoshihiko Himura