Abstract: An endoscopic treatment tool includes a sheath, a support portion which is attached to a distal end of the sheath, a pair of forceps members which are provided on the support portion, a linear portion which is inserted through the sheath so that the linear portion is capable of advancing and retracting, the linear portion causing facing surfaces each provided on the pair of forceps members to approach each other, and the linear portion separating the pair of facing surfaces from each other, an engaging portion which is provided in the support portion, an engaged portion which is provided in the linear portion, and a moving mechanism that moves the position of the distal end portion of the linear portion to a distal end position closer to the distal end side than the engaged portion.

Abstract: A needle tube includes: a tubular main body section; a distal opening section; a needle tip; a side hole disposed closer to the proximal end side of the main body than the tip; a side hole inner circumferential edge extending around the longitudinal axis of the main body where the side hole and the inner circumferential surface intersect; a side hole outer circumferential edge extending around the longitudinal axis of the main body where the side hole and the outer circumferential surface intersect; and an engaged surface formed between the side hole inner circumferential edge and the side hole outer circumferential edge to be directed toward the proximal end of the main body section and configured to lock biological tissue entering from the distal opening section, wherein the side hole forms an opening area smaller than that of the distal opening.

Abstract: A high-frequency treatment instrument 1 comprises a flexible tube 3 which is inserted into a body cavity and a treatment portion 2 which is located on the distal end of the flexible tube 3 when a high-frequency current is applied. In this high frequency treatment instrument 1, the flexible tube 3 is formed by a plurality of wound conductive wires and is provided with a multiple-thread coil 6 connected electrically to the treatment portion 2, and the high-frequency current is applied to the multiple-thread coil 6.

Abstract: An endoscopic treatment device includes: an elongated needle pipe having flexibility; a hollow shape section having an inner cavity formed in a distal end section of the needle pipe, and a side hole formed on an outer side surface of the needle pipe and communicating with the inner cavity; a piercing section provided closer to a distal end side of the needle pipe than the hollow shape section and formed with a pointed tip; a collection member including a cutting edge section having a pointed shape toward a radial outer direction of the needle pipe and protruding and retracting between a position where the cutting edge section is housed in the hollow shape section and a position where the cutting edge section protrudes from the side hole; and an operating member advanceable and retractable relative to the needle pipe and including a distal end portion connected to the collection member.

Abstract: A lower back assistance apparatus including: a back frame 14 mounted to the back of a user and capable of movement following a user tilting forward; shoulder straps 22 that are attached to a back mounting section and extend towards the user trunk forward side for supporting the trunk of a user from the forward side; thigh plates 18 for mounting to the front of lower limbs of the user; coupling frames 20 with one end coupled to the thigh plates 18 and the other end coupled to the back frame 14 by joint sections 16 so as to allow relative movement with respect to the back frame 14, and capable of maintaining a non-bent profile during the relative movement; and actuators 40 that in an actuated state prevent the back frame 14 from tilting in the user forward direction.

Abstract: This treatment instrument (1) for an endoscope is provided with a treatment section (2) for treatment, an operation wire (2) connected with the treatment section (2), a coil sheath (9) into which the operation wire (3) is inserted, an insulating tube (10) into which the coil sheath (9) is inserted, and an operation section (4) for operating the treatment section (2). The operation section (4) comprises a slider (15) rotatably connected with the operation wire (3), a body (13) to which the slider (15) is mounted movably forward and backward, and a rotational operation section (14) which is so mounted as to be rotatable with respect to the body (13) and has the coil sheath (9) so mounted thereto as to be not rotatable. The distal end of the insulating tube (10) is mounted rotatably and movably forward and backward to the distal end of the coil sheath (9).

Abstract: A treatment tool of an endoscope including: a movable tip end portion that performs a treatment on a living body; a flexible first coil sheath into which a wire is spirally wound; a flexible second coil sheath into which a wire is spirally wound and which is concentrically fitted onto or into the first coil sheath; a flexible operation wire that is formed into an elongated thin shape, a tip end thereof being connected to the movable tip end portion, and the operation wire being movably inserted into the first coil sheath; and an operation portion for advancing and retracting the operation wire, in which a tip end of the second coil sheath is fixed to the movable tip end and a base end thereof is fixed to the operation portion.

Abstract: A treatment tool for endoscope includes a pair of forceps members supported so as to be relatively movable by a rotation shaft, an operation section for performing opening/close operations of the forceps members, and an operation wire for connecting the forceps members to the operation section, wherein the operation section has an operation section main body, a first operation member to which the operation wire is connected and which is slideably attached to the operation section main body, a second operation member which is slideably attached to the first operation member, a force adjustment member which is attached to the second operation member and is compressed by the second operation member is slid to the first operation member.

Abstract: An endoscope treatment tool includes a sheath; a support part; a pair of forceps members that are arranged in front of the sheath and are supported so as to be relatively rotatable around a rotation shaft provided at the support part; a linear member that is inserted through the sheath so as to be capable of advancing into and retracting from the sheath, brings opposed surfaces, which are respectively provided closer to distal end sides of the pair of forceps members than the rotation shaft, closer to each other as the linear member is separated from the rotation shaft, and separates the pair of opposed surfaces from each other as the linear member approaches the rotation shaft; an elastic member that is supported by the linear member or the support part; and a locking portion that is provided on the linear member or the forceps members.

Abstract: An endoscope procedure instrument provided with: a tube part that is cylindrical in shape and attaches to the front end of the endoscope, the tube part having a slit provided to the side surface thereof extending along the direction of the central axis; and a grasping member that is disposed to the tube part extending along the slit, for holding a biologic tissue with respect to the endoscope.

Abstract: A treatment tool for endo scope includes a pair of forceps members (first forceps members and second forceps member) supported by a forceps rotation axis such that they can rotate relatively, an operation part for performing an open-close operation of the pair of forceps members, an operation wire that connects the pair of forceps members and the operation part, an insertion part which the operation wire is inserted into, a cover member that secures the forceps rotation axis to the insertion part, a connection member including a link rotation axis, provided at a distal-end part of the operation wire, and a pair of link members (first link member and second link member), first end parts of each being rotatably connected via respective rotation axis members to a proximal-end part of each of the pair of forceps members, and second end parts of each being rotatably connected to the link rotation member.

Abstract: A lesion identification system for surgical operations has a light marker adapted for placement in the vicinity of a lesion inside an organ of an organism, and a location-identifying device detecting a light emitted from the light marker at an outside of the organ for identifying a location of the lesion. The marker includes a light emitter and an engagement member associated with the emitter to be engageable with a wall of the organ. The engagement member includes a clip. The light emitter emits light with a wavelength in a near-infrared range. The device includes an endoscope comprising an inserter section having an image pickup element picking up a reflected light, involving the light from the light marker, at an outside of the organ, and an image pickup unit allowing the reflected light, picked by the image pickup element, to be generated as an image for display on a monitor.

Abstract: An endoscopic treatment device includes: an elongated needle pipe having flexibility; a hollow shape section having an inner cavity formed in a distal end section of the needle pipe, and a side hole formed on an outer side surface of the needle pipe and communicating with the inner cavity; a piercing section provided closer to a distal end side of the needle pipe than the hollow shape section and formed with a pointed tip; a collection member including a cutting edge section having a pointed shape toward a radial outer direction of the needle pipe and protruding and retracting between a position where the cutting edge section is housed in the hollow shape section and a position where the cutting edge section protrudes from the side hole; and an operating member advanceable and retractable relative to the needle pipe and including a distal end portion connected to the collection member.

Abstract: A biopsy instrument including: a needle pipe formed in a tubular shape having a convex section, the convex section having an end section, the convex section being provided at a distal end section of the needle pipe; a distal end tip provided so as to be capable of moving longitudinally with respect to the needle pipe; a manipulation member connected to the distal end tip, the manipulation member being disposed in the needle pipe; and a circumferential edge provided at each of a proximal end side of the distal end tip and a distal end side of the needle pipe; wherein an interior of the distal end tip and an interior of the needle pipe define a cavity to capture a target tissue when the distal end tip is retracted towards the needle pipe.

Abstract: An endoscopic treatment tool includes: a treatment part which is adapted to conduct treatment of tissue within a body cavity; an operation part which is adapted to operate the treatment part; an operation shaft member which connects the treatment part and the operation part; and a coil sheath part through which the operation shaft member passes so that the operation shaft member is capable of forward or backward movement, in which: the coil sheath part comprises: a first coil sheath around which wire is helically wound; and a second coil sheath that has a lower compressive resistance than the first coil sheath, and that has a higher rotation follow-up capability than the first coil sheath; the first coil sheath and the second coil sheath are disposed so as to coaxially and radially overlap; a first end part and a second end part of the second coil sheath are respectively connected to the treatment part and the operation part so as to be incapable of relative rotation around an axis of the second coil sheath;

Abstract: A treatment device for endoscope includes a flexible sheath, an operation wire that is advanceably/retreatably inserted into the sheath, a treatment part comprising at least one elastic wires that can enter and exit a tip side inner part of the sheath, and a connecting member that secures to each other a tip of the operation wire and ends of the elastic wires. The connecting member includes a cylindrical body part, and a plurality of walls that extend from one end face of the body part in the direction of the axis of the body unit. A proximal end of the operation wire is secured to the body part, and the plurality of ends of the elastic wires are secured to the wall in the direction of the axis; when viewed from the wall side in the direction of the axis, at least one of the ends of the elastic wires overlaps with the body part. The interval between mutually adjacent walls is narrower than the outer diameter of the elastic wires.

Abstract: A high-frequency treatment tool (1) includes an operating wire (12) having a treatment part (10) including a treatment electrode; a first tube (23) formed from an insulating material, in which the operating wire (12) for enabling the treatment part (10) to protrude and recede is inserted; and a second tube (21) having a passive electrode (22) at a distal end, in which inserted the first tube (23) such as to cover an inner peripheral face of the passive electrode (22) is inserted. An engagement part (25) and an engaged part (22C) that can engage with each other are formed in the first tube (23) and the passive electrode (22), and the engagement of the engagement part (25) with the engaged part (22C) restricts the relative movement of a distal-end part of the first tube (23) to a proximal-end side of the first tube (23) with respect to the passive electrode (22).

Abstract: An endoscope treatment tool includes a treatment portion, a manipulation portion, and a manipulation wire connecting the treatment portion and the manipulation portion, the manipulation portion includes a manipulation portion main body, a shaft, a clutch plate having a through-hole into which the shaft is slidably inserted, a manipulation member slidably attached to the manipulation portion main body, and a force adjustment member compressed in accordance with manipulation of the manipulation member, and the clutch plate is inclined with respect to the shaft in accordance with compression of the force adjustment member, and thereby the manipulation member is fixed to the manipulation portion main body by the clutch plate which is fixed to the shaft so as not to slide with respect to the shaft.

Abstract: An treatment tool for a endoscope comprises a treatment tool insertion portion to be inserted into a channel of the endoscope; an open/close member support portion formed in a distal end of the treatment tool insertion portion; an open/close member which is freely supported so as to be opened or closed and treats a target site; a liquid conduit which transports a liquid to a target site, liquid conduit being provided on an outside of the open/close member in a direction orthogonal to a lengthwise direction of the open/close member, and comprising at least one distal end aperture which opens toward the distal end direction of the open/close member support portion, the liquid conduit transports.