公开(公告)号：US11484186B2

公开(公告)日：2022-11-01

申请号：US16744187

申请日：2020-01-16

Applicant: FUJIFILM Corporation

Inventor： Takashi Harada ,  Shozo Iyama

IPC: A61B1/00

Abstract: An endoscope in which an erecting operation mechanism is provided at an operation section and that can prevent an increase in size of a holding part of the operation section is provided. An endoscope according to the present invention includes an operation section 22 having an operation section main body 32, a holding part 34 connected to the operation section main body 32, and an extension part 36 extending from the holding part 34 toward a distal end side; an insertion section 24 provided on a distal end side of the extension part 36; an erecting base 30 provided at a distal end part 26 of the insertion section 24; a movable member 96 that is provided at the extension part 36 and that moves in association with an operation of an erecting operation lever 20; a wire 60 that is coupled to the erecting base 30 at a distal end side thereof, that is coupled to the movable member 96 at a proximal end side thereof, and that is pushed/pulled by the movable member 96; and an attachment member 98 that is provided at a proximal end of the wire 60 and that is engaged with the movable member 96 in an attachable/detachable manner by a one-touch operation.

公开(公告)号：US11889980B2

公开(公告)日：2024-02-06

申请号：US16744186

申请日：2020-01-16

Applicant: FUJIFILM Corporation

Inventor： Takashi Harada

IPC: A61B1/00

CPC classification number: A61B1/00066 ,  A61B1/00042 ,  A61B1/00098 ,  A61B1/00133

Abstract: An endoscope in which an erecting operation of a treatment tool erecting base can be smoothly performed during an operation of the endoscope is provided. An endoscope according to the present invention has an operation section 22 provided with an erecting operation lever 20 and angle knobs 64; an insertion section 24 that is provided on a distal end side of the operation section 22 and that has a bending part 52 that is moved to be bent by an operation of the angle knobs 64; an erecting base 30 provided at a distal end part 26 of the insertion section 24; and a movable member 96 that is arranged to be exposed to outside of the operation section 22 and that moves in association with an operation of the erecting operation lever 20. The endoscope includes a wire 60 that is coupled to the erecting base 30 at a distal end side thereof, that is coupled to the movable member 96 at a proximal end side thereof, and that is pushed/pulled in accordance with a movement of the movable member 96 to move the erecting base 30; and an attachment member 98 that is provided at a proximal end of the wire 60 and that is engaged with the movable member 96 in an attachable/detachable manner. The movable member 96 is arranged at a surface of the operation section 22 opposite to a surface of the operation section 22 at which the angle knobs 64 are arranged.

公开(公告)号：US11882998B2

公开(公告)日：2024-01-30

申请号：US16744197

申请日：2020-01-16

Applicant: FUJIFILM Corporation

Inventor： Takashi Harada ,  Tomohiro Ohki ,  Shozo Iyama

IPC: A61B1/00

CPC classification number: A61B1/00098 ,  A61B1/00133

Abstract: An endoscope is provided in which an attachment/detachment operation of the proximal end of a wire can be easily performed to/from an erecting operation mechanism and the wire can be prevented from meandering in a wire channel. An endoscope has an operation section 22 provided with an erecting operation lever, and a movable member 96 that moves in association with an operation of the erecting operation lever. The movable member 96 is arranged to be exposed to outside of the operation section 22. A wire 60 has a distal end side coupled to an erecting base, and a proximal end side coupled to an attachment member 98 that is attachable to and detachable from the movable member 96 by a one-touch operation. The wire 60 is configured of a wire body 60A and a gap filling member 60B.

公开(公告)号：US11653823B2

公开(公告)日：2023-05-23

申请号：US16905867

申请日：2020-06-18

Applicant: FUJIFILM Corporation

Inventor： Takashi Harada

IPC: A61B1/005 ,  A61B1/00 ,  A61B1/01 ,  A61B1/018

CPC classification number: A61B1/0057 ,  A61B1/00006 ,  A61B1/00066 ,  A61B1/00087 ,  A61B1/00112 ,  A61B1/00137 ,  A61B1/01 ,  A61B1/018

Abstract: There is provided an endoscope that allows the distal end portion of a wire and a treatment tool-elevator to be easily connected to each other. An engaging portion (100) is provided at the distal end portion of a wire (60). An elevator (30) is provided with a contact portion (101) that applies a rotational moving force acting in a fallen direction to the elevator (30) in a case where the engaging portion (100) is in contact with the contact portion. The elevator (30) is provided with a housing portion (102) in which an opening (104) is formed. A wall portion (81) is provided at a position that faces the movement trajectory of the engaging portion (100) in a case where the elevator (30) is moved between an elevated position and a fallen position in a state where the engaging portion (100) is in contact with the contact portion (101). In a state where the engaging portion (100) is in contact with the contact portion (101), the wall portion (81) regulates the movement of the engaging portion (100) in a direction where the engaging portion (100) enters the opening (104) in a case where the elevator (30) is present between the elevated position and the fallen position and allows the movement of the engaging portion (100) in the direction where the engaging portion (100) enters the opening (104) in a case where the elevator (30) is present between the fallen position and an attachment/detachment position.

公开(公告)号：US11653817B2

公开(公告)日：2023-05-23

申请号：US16744193

申请日：2020-01-16

Applicant: FUJIFILM Corporation

Inventor： Takashi Harada

IPC: A61B1/00

CPC classification number: A61B1/00098 ,  A61B1/00042 ,  A61B1/00066 ,  A61B1/00101 ,  A61B1/00128 ,  A61B1/00147

Abstract: An endoscope in which, even when a guide wire locking device is mounted, an endoscope in which an operation of a treatment tool erecting base is not limited and the treatment tool erecting base can be reliably moved is provided. An endoscope according to the present invention has an operation section 22 provided with an erecting operation lever 20; an insertion section 24 provided on a distal end side of the operation section 22; an erecting base 30 provided at a distal end part 26 of the insertion section 24; and a movable member 96 that is arranged to be exposed to outside of the operation section 22 and that moves in association with an operation of the erecting operation lever 20. The endoscope has a wire 60 that is pushed/pulled in accordance with a movement of the movable member 96 to move the erecting base 30; an attachment member 98 that is provided at a proximal end of the wire 60 and that is engaged with the movable member 96 in an attachable/detachable manner; and an interference prevention section 300 that is provided at a position of the operation section 22 on a proximal end side with respect to the movable member 96 and that prevents an interference with the movable member 96.

公开(公告)号：US11564555B2

公开(公告)日：2023-01-31

申请号：US16826283

申请日：2020-03-22

Applicant: FUJIFILM Corporation

Inventor： Takashi Harada

IPC: A61B1/00 ,  A61B1/005

Abstract: Provided is an endoscope that can easily perform the attachment and detachment work of a proximal end side of a wire without impairing the operability of an operating part.
The an endoscope includes an operating part (22) including an erection operating lever (20), an insertion part (24), an elevator (30), a wire (60) that is disposed to be inserted into a wire channel (62) to be movable forward and backward therethrough and is attachably and detachably coupled to the elevator (30) on a distal end side thereof, an opening part (94) that is provided at a proximal end of the wire channel (62) and delivers the proximal end side of the wire (60) to the outside of the operating part (22), a rotating member (96) that is disposed to be exposed to the outside of the operating part (22) and is configured to be rotatable around a rotational axis (96A) having a component in a direction orthogonal to a longitudinal direction of the operating part (22) depending on the operation of the erection operating lever (20), an engaged part (144) that is provided in the rotating member (96), and an engaging part (98) that is provided on the proximal end side of the wire (60) and is engageably and disengageably engageable with the engaged part (144).