Abstract: A bending tube of an insertion appliance includes a first region including a first plurality of slits, a second region provided proximally relative to the first region and including a second plurality of slits, and a guiding surface on an inner circumferential surface of the bending tube, the guiding surface extending in a circumferential direction, and including a channel configured to slidably house a wire. Each slit of the first plurality of slits is at different position in the circumferential direction, and at different positions in a longitudinal direction. Each slit of the second plurality of slits is provided at different position in the circumferential direction, and at different position in the longitudinal direction. The first plurality of slits is distributed over a first angle in the circumferential direction, and the second plurality of slits is distributed over a second angle smaller than the first angle in the circumferential direction.

Abstract: Insertion equipment includes an insertion section, a distal end member provided at a distal end of the insertion section, and a tube configured to supply a fluid to the distal end member. In the distal end member, the fluid passes through a first flow channel extending in a distal end direction, passes through a second flow channel in a direction different from the distal end direction, is divided, is discharged through a first opening in a distal end surface, and part of the fluid is discharged through one or more second openings in an outer circumferential surface of the distal end member in a radial direction or a proximal end direction.

Abstract: An endoscope includes: an insertion portion configured to be inserted into a subject; and a channel fixing portion disposed on an outer periphery of the insertion portion and configured such that a part or all of a long channel tube is fixed in a state of being embedded in a distal end portion of the insertion portion.

Abstract: An information processing device (40) according to one embodiment of the present disclosure includes: an analysis unit (41) being a first data generation unit that generates objective score data, which indicates objective scores in time series, based on a plurality of pieces of objective data regarding a patient; a processing unit (42) being a second data generation unit that generates subjective score data, which indicates subjective scores in time series, based on a plurality of pieces of subjective data obtained from the patient; and a generation unit (44) being an image generation unit that generates a score image indicating the objective score data and the subjective score data.

Abstract: An endoscope includes an insertion portion that is inserted into a subject, and a suction channel that suctions a liquid along with a crushed calculus. The suction channel includes a channel main body, which is inserted in the insertion portion, and a small-diameter channel portion that is provided on a distal end side of the channel main body and has an inner diameter smaller than an inner diameter of the channel main body. The suction channel is configured to satisfy the relational expression R1/R2>1.27, where R1 represents the inner diameter of the channel main body and R2 represents the inner diameter of the small-diameter channel portion.

Abstract: A conduit switching device includes a body, an endoscope connection port, a fluid supply port, a fluid suction port, a first conduit in the body and the fluid supply port, a second conduit in the body and the fluid suction port, a common conduit in the body and the endoscope connection port, and a switching mechanism configured to be switched between a first state and a second state. In the first state, the first conduit communicates with the common conduit, and the second conduit does not communicate with the common conduit. In the second state, the first conduit does not communicate with the common conduit, and the second conduit communicates with the common conduit.

Abstract: An insertion instrument comprises an insertion portion including a bending portion provided at a distal end side of the insertion portion, a first wire provided in the insertion portion, and an operation portion provided at a proximal end side of the insertion portion. The operation portion includes a bending operation unit. The bending operation unit includes a lever having a central shaft defining a central axis, a rotor coupled to the lever, a wire attachment surface to which the first wire is attached. An inner surface of the operation portion includes a receiver body and a restriction body. The receiver body supports the rotor for rotation about the central axis and for movement of the lever from a neutral position to an inclined position, where, in the inclined position, the central shaft is inclined relative to the central shaft in the neutral position. Movement of the lever from the neutral position to the inclined position pulls the first wire to bend the bending portion.

Abstract: An endoscope includes: an insertion portion formed along a longitudinal axis extending from a proximal end to a distal end; a light guide having an optical characteristic that enables transmitting lithotriptic light and illuminating light having respective wavelength bands that are different from each other, from the proximal end toward the distal end of the insertion portion; and a treatment instrument insertion channel provided in the insertion portion, the treatment instrument insertion channel extending from the proximal end to the distal end.

Abstract: An endoscope comprises: an insertion portion comprising a distal end portion, the distal end portion including a distal end surface; a flow passage formed in the insertion portion, the flow passage including a fluid ejection port formed in the distal end surface and the flow passage configured to supply a fluid via the fluid ejection port to an environment outside of the insertion portion; and a suction passage formed in the insertion portion, the suction passage including a suction port formed in the distal end surface. The distal end surface includes a deflection surface formed integrally with the distal end portion. The deflection surface covers a part of the fluid ejection port. The deflection surface is positioned so that the fluid supplied via the fluid ejection port contacts the deflection surface and is deflected in a first direction. The first direction does not intersect the suction port.

Abstract: Insertion device according to an aspect of the present disclosure includes: an insertion device, comprising an insertion portion configured to be inserted into a subject. At least one traction member configured to pull a distal end side portion of the insertion portion. An operation portion provided on a proximal end side of the insertion portion. At least one sheath member inserted through the insertion portion, wherein the at least one traction member is inserted through an inner channel in the at least one sheath member. A rotating member to which one end of the at least one traction member is connected, the rotating member configured to rotate, with an external operation force, around a first axis of a first shaft member provided in the operation portion.

Abstract: A bending section of an endoscope includes a first bending piece and a second bending piece in each of which a hole is formed, the first bending piece includes a first groove communicating with the hole and formed toward an outer side of a radial direction, the second bending piece is disposed adjacent to the first bending piece and includes a second groove formed from an outer circumference of the second bending piece toward the hole, and the wire is disposed in the first groove and the second groove.

Abstract: A bending piece of a bending portion for endoscope is provided with: an annular wall portion; a plurality of wire inserting portions in which the wall portion has a first wall thickness; thin wall portions having a second wall thickness thinner than the first wall thickness; and a thick wall portion that is a part of the wall portion different from the thin wall portions between the plurality of wire inserting portions around a longitudinal axis, the thick wall portion formed to have a third wall thickness that is equal to or less than the first wall thickness and is thicker than the second wall thickness.

Abstract: A medical endoscopic device for crushing urinary stones having an insertion portion including an optical window, an illumination window, a laser fiber, an elongate internal channel, and a procedure tube coaxially and movably disposed inside the elongate internal channel is disclosed. The distal end of the procedure tube is comprised of a distal tip portion having a diameter larger than that of the attached elongate portion. The distal tip portion of the tube also includes openings for flushing the fragments of the urinary stones and the like. The washed out fragments are suctioned through the opening between the inner diameter surface of the elongate internal channel and the outer peripheral surface of the tube and the distal tip portion may be used to scrape out the contaminated fragments of the urinary stones within the elongate internal channel.

Abstract: An endoscope includes an insertion portion including a first conduit for delivering a fluid, and a second conduit for suctioning a fluid. A distal end opening of the second conduit may have an opening area larger than an opening area of a distal end opening of the first conduit, and in the second conduit, an inside diameter on a distal end side may be smaller than an inside diameter on a proximal end side. In a calculus collecting method, fluid can be delivered into the subject from the first conduit, and fluid can be suctioned into the second conduit. Intermittently, fluid delivery from the first conduit may be stopped so that fluid can be delivered through the second conduit.

Abstract: An endoscope includes an insertion portion that is inserted into a subject, and a flexible channel tube that is disposed on an outer peripheral side of the insertion portion, includes a tube through-hole that is formed to be long along a tube center axis, and has a slit formed throughout an entire length, and the slit is formed in a section substantially orthogonal to the tube center axis of the tube through-hole of the channel tube with an extension line of a central line extending to a through-hole side of the slit central line of the slit being displaced with respect to the tube center axis of the channel tube.

Abstract: An endoscope includes: an insertion portion configured to be inserted into a subject; and a channel fixing portion disposed on an outer periphery of the insertion portion and configured such that a part or all of a long channel tube is fixed in a state of being embedded in a distal end portion of the insertion portion.

Abstract: An endoscope includes: an insertion portion including a bending portion; an operation portion including a grasping portion and an operation portion main body; a pedestal portion protruded from the operation portion main body; a shaft member configured to be tilted; a finger contact portion on which a finger of a hand is placed, the finger contact portion being provided at an end portion of the shaft member; and a step portion on which a finger of the operator's hand, which is different from the finger placed on the finger placing portion, is placed, the step portion being provided at a position which is outside of a peripheral edge of the pedestal portion and which is an opposite side of the grasping portion across the shaft member.

Abstract: In an endoscope including a rear grasping portion extending along a second longitudinal axis that is a direction flexed relative to a first longitudinal axis along which the operation portion body extends, a bend preventing portion covering a universal cable extending out from the proximal end side of the rear grasping portion is joined to the proximal end side of the rear grasping portion via a movable joint portion so that a direction of the bend preventing portion can be changed by the movable joint portion to a first direction oriented to the inner side in the flexion direction of the rear grasping portion relative to the operation portion body and a second direction oriented to the outer side in the flexion direction of the rear grasping portion relative to operation portion body.

Abstract: A bending piece of a bending portion for endoscope is provided with: an annular wall portion; a plurality of wire inserting portions in which the wall portion has a first wall thickness; thin wall portions having a second wall thickness thinner than the first wall thickness; and a thick wall portion that is a part of the wall portion different from the thin wall portions between the plurality of wire inserting portions around a longitudinal axis, the thick wall portion formed to have a third wall thickness that is equal to or less than the first wall thickness and is thicker than the second wall thickness.

Abstract: The endoscope of the present embodiment is so configured that the forceps port connected to the insertion section can be rotated by connecting, like “L”, the front section from which the insertion section extends and the rear housing section from which the cable extends, and the curving operation lever is placed at a middle position of the L-shaped connection. Thus, the front section serving as the first grasping section and the rear housing section serving as the second grasping section can be shifted to each other as a section to be grasped, and the positions of the curving operation lever and the forceps port and the positions of the fingers match irrespective of the grasping mode, with the result that the operation can be performed comfortably.