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).
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Patent number: 12082779Abstract: 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: GrantFiled: September 13, 2022Date of Patent: September 10, 2024Assignees: KEIO UNIVERSITY, WAKO INDUSTRIES CO., LTD., SAITAMA CHAMBER OF COMMERCE AND INDUSTRYInventors: Naohisa Yahagi, Norihito Wada, Itsuro Ogawa, Satoru Ogawa, Yuzuru Inoue, Mitsuru Yoda
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Publication number: 20230000323Abstract: 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: ApplicationFiled: September 13, 2022Publication date: January 5, 2023Inventors: Naohisa Yahagi, Norihito Wada, Itsuro Ogawa, Satoru Ogawa, Yuzuru Inoue, Mitsuru Yoda
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Patent number: 11464396Abstract: 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: GrantFiled: February 20, 2017Date of Patent: October 11, 2022Assignees: KEIO UNIVERSITY, WAKO INDUSTRIES CO, LTD., SAITAMA CHAMBER OF COMMERCE AND INDUSTRYInventors: Naohisa Yahagi, Norihito Wada, Itsuro Ogawa, Satoru Ogawa, Yuzuru Inoue, Mitsuru Yoda
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Patent number: 11272833Abstract: 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: GrantFiled: March 12, 2015Date of Patent: March 15, 2022Assignees: KEIO UNIVERSITY, KABUSHIKI KAISHA TOPInventors: Norihito Wada, Takuya Miyazaki, Yoshihiko Himura
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Patent number: 11122964Abstract: 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: GrantFiled: March 12, 2015Date of Patent: September 21, 2021Assignees: KEIO UNIVERSITY, KABUSHIKI KAISHA TOPInventors: Norihito Wada, Takuya Miyazaki, Yoshihiko Himura
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Publication number: 20190125170Abstract: 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: ApplicationFiled: February 20, 2017Publication date: May 2, 2019Inventors: Naohisa Yahagi, Norihito Wada, Itsuro Ogawa, Satoru Ogawa, Yuzuru Inoue, Mitsuru Yoda
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Patent number: 10271874Abstract: 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: GrantFiled: January 9, 2015Date of Patent: April 30, 2019Assignees: KEIO UNIVERSITY, KABUSHIKI KAISHA TOPInventors: Norihito Wada, Takuya Miyazaki, Yoshihiko Himura
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Publication number: 20180055337Abstract: 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: ApplicationFiled: March 12, 2015Publication date: March 1, 2018Inventors: Norihito Wada, Takuya Miyazaki, Yoshihiko Himura
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Publication number: 20180049624Abstract: 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: ApplicationFiled: March 12, 2015Publication date: February 22, 2018Inventors: Norihito Wada, Takuya Miyazaki, Yoshihiko Himura
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Publication number: 20160331402Abstract: 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: ApplicationFiled: January 9, 2015Publication date: November 17, 2016Inventors: Norihito Wada, Takuya Miyazaki, Yoshihiko Himura