Abstract: An electronic endoscope of the invention includes: an insertion portion to be inserted into a subject; a distal end rigid portion including a distal end portion and a proximal end portion, the distal end rigid portion being made of resin and provided at a distal end portion of the insertion portion; a bending tube made of metal and provided continuously with the distal end rigid portion; objective optical systems provided at the distal end rigid portion; an image pickup unit that picks up images formed by the objective optical systems; an illumination lens barrel made of metal, the illumination lens barrel holding an illumination optical system provided at the distal end rigid portion and being extended in a direction of the proximal end portion; and a first conductive portion that establishes electrical conduction between the bending tube and the illumination lens barrel.

Abstract: A control unit; a banknote handling module that includes a conveying mechanism, a first control circuit, and a second control circuit that is controlled by the first control circuit and that controls the conveying mechanism; a power supply unit; a first power supply cable that supplies electrical power from the power supply unit to the first control circuit; and a second power supply cable that supplies electrical power from the power supply unit to the second control circuit. The first control circuit includes a first connecting portion to which the first power supply cable is connected and a first hot plug-in circuit that is connected to the first connecting portion. The second control circuit includes a second connecting portion to which the second power supply cable is connected and a second hot plug-in circuit that is connected to the second connecting portion.

Abstract: An endoscope includes: an insertion section configured to be inserted into a subject; a bending section disposed on a distal end side of the insertion section and bendable in at least one direction; a distal end member connected to a distal end side of the bending section and having a passage to allow a treatment tool to project from the distal end member; a tube inserted into the bending section to allow the treatment tool to be inserted into the tube and having a recessed portion on an inner surface of a distal end side of the tube; and a connection section having a central axis and having one end fixed to the distal end member to be communicated with the passage, and having a projecting portion at the other end of the connection section, projecting along the central axis so as to be fitted into the recessed portion.

Abstract: A control unit; a banknote handling module that includes a conveying mechanism, a first control circuit, and a second control circuit that is controlled by the first control circuit and that controls the conveying mechanism; a power supply unit; a first power supply cable that supplies electrical power from the power supply unit to the first control circuit; and a second power supply cable that supplies electrical power from the power supply unit to the second control circuit. The first control circuit includes a first connecting portion to which the first power supply cable is connected and a first hot plug-in circuit that is connected to the first connecting portion. The second control circuit includes a second connecting portion to which the second power supply cable is connected and a second hot plug-in circuit that is connected to the second connecting portion.

Abstract: A lens unit for an endoscope includes: a lens holding frame provided with a through hole extending from a distal end side to a proximal end side; a convex portion; a first lens including a first portion arranged on the distal end side, and a second portion whose outside edge forms a step portion to which the convex portion is housed; and a second lens arranged near the distal end side. The second lens is positioned closer to the proximal end than an end portion of the lens holding frame on the distal end side in a first state where the second portion is arranged closer to the proximal end than the first portion. At least a part of the second lens protrudes from the end portion in a second state where the first portion is arranged closer to the proximal end than the second portion.

Abstract: An endoscope includes: a connector portion for electrically coupling to an external connector. The connector portion includes: a base portion having a tubular shape; and a tubular sleeve portion extending from the base portion, at least a part of an end portion of the sleeve portion being provided with a cutout portion. When a water-resistant cap is installed at the connector portion, the endoscope takes any state of a first state where an abutting portion of the water-resistant cap configured to abut on the sleeve portion abuts on the sleeve portion on a side of the base portion with respect to the cutout portion to hold an airtightness between the water-resistant cap and the connector portion, and a second state where the abutting portion abuts on or faces the sleeve portion including the cutout portion to make non-airtight between the water-resistant cap and the connector portion.

Abstract: A first convex portion is arranged at an outer peripheral portion of a first support portion constituting a distal end portion of an insertion portion, and a protruding amount of the first convex portion is set such that an outer peripheral length of the distal end portion including the first convex portion is smaller than an outer peripheral length determined based on a distal end outer diameter as an effective outer diameter of the distal end portion, to thereby ensure durability without an unnecessary increase in a size of the distal end portion and improve insertability of the distal end portion into a subject.

Abstract: An endoscope includes an insertion portion; an operation portion; a balloon water injection channel; a first opening portion; a balloon pipe sleeve provided with a first end portion and a second end portion; a branch channel connection unit; a rotation restriction portion; and a connecting tube on which the branch channel connection unit is assembled.

Abstract: An electronic endoscope of the invention includes: an insertion portion to be inserted into a subject; a distal end rigid portion including a distal end portion and a proximal end portion, the distal end rigid portion being made of resin and provided at a distal end portion of the insertion portion; a bending tube made of metal and provided continuously with the distal end rigid portion; objective optical systems provided at the distal end rigid portion; an image pickup unit that picks up images formed by the objective optical systems; an illumination lens barrel made of metal, the illumination lens barrel holding an illumination optical system provided at the distal end rigid portion and being extended in a direction of the proximal end portion; and a first conductive portion that establishes electrical conduction between the bending tube and the illumination lens barrel.

Abstract: A holding frame made of a material to bear a greater shear stress than a distal end portion rigid portion (a distal end portion) is adhered and fixed to the distal end rigid portion in a state where one end face is exposed from an inclined surface, and an image guide and a light guide are held through the holding frame. In addition, a groove is provided on a side surface of the holding frame and one end of the groove is exposed on a distal end face (the inclined surface) of the distal end rigid portion, to thereby realize downsizing of the distal end portion without lowering durability and improve repairability.

Abstract: An endoscope includes: an insertion section configured to be inserted into a subject; a bending section disposed on a distal end side of the insertion section and bendable in at least one direction; a distal end member connected to a distal end side of the bending section and having a passage to allow a treatment tool to project from the distal end member; a tube inserted into the bending section to allow the treatment tool to be inserted into the tube and having a recessed portion on an inner surface of a distal end side of the tube; and a connection section having a central axis and having one end fixed to the distal end member to be communicated with the passage, and having a projecting portion at the other end of the connection section, projecting along the central axis so as to be fitted into the recessed portion.

Abstract: An endoscope includes an insertion portion; an operation portion; a balloon injection channel; a first opening portion; a balloon pipe sleeve provided with a first end portion and a second end portion; a branch channel connection unit; a rotation restriction portion; and a connecting tube on which the branch channel connection unit is assembled.

Abstract: An ultrasound endoscope includes: a bending portion; a distal end rigid portion which is located on a distal end side with respect to the bending portion; and a connection portion making up the distal end rigid portion, for connecting the ultrasound observation section with the bending portion, wherein the connection portion is inclined with respect to a central axis of the bending portion, an interface between the connection portion and the bending portion is perpendicular to the central axis, and the connection portion has a swept shape which is obtained by making a cross-section of the interface slide in a direction perpendicular to the central axis while keeping the perpendicularity along a straight line intersecting with the central axis.

Abstract: A first convex portion is arranged at an outer peripheral portion of a first support portion constituting a distal end portion of an insertion portion, and a protruding amount of the first convex portion is set such that an outer peripheral length of the distal end portion including the first convex portion is smaller than an outer peripheral length determined based on a distal end outer diameter as an effective outer diameter of the distal end portion, to thereby ensure durability without an unnecessary increase in a size of the distal end portion and improve insertability of the distal end portion into a subject.

Abstract: A holding frame made of a material to bear a greater shear stress than a distal end portion rigid portion (a distal end portion) is adhered and fixed to the distal end rigid portion in a state where one end face is exposed from an inclined surface, and an image guide and a light guide are held through the holding frame. In addition, a groove is provided on a side surface of the holding member and one end of the groove is exposed on a distal end face (the inclined surface) of the distal end rigid portion, to thereby realize downsizing of the distal end portion without lowering durability and improve repairability.

Abstract: An ultrasound endoscope having an ultrasound probe that is provided at a rigid portion at a distal end of an insertion portion, a cable that transmits electrical signals to and from the ultrasound probe, and a rigid flexible substrate that is interposed between the ultrasound probe and the cable to transmit the electrical signals, and configures a part of a planar member in which a plurality of layers including a wiring layer are stacked as a flexible portion further including an insulating layer, and the other portion as a rigid portion further including a rigid layer, wherein the ultrasound probe is connected to the rigid portion, and at least a part of the flexible portion is disposed in a spiral shape to surround a wiring connection portion of the cable and the rigid flexible substrate, and an uncovered portion of a distal end side of the cable.

Abstract: A treatment instrument includes an insertion portion and a sample collection portion, wherein the sample collection portion includes a link portion and an advancing/retracting portion and when the advancing/retracting portion is located on a most proximal end side, the advancing/retracting portion and the link portion are connected in the axial direction and thereby become parallel to the insertion portion, when the advancing/retracting portion is located on a most distal end side, a part of the advancing/retracting portion and the link portion overlap and thereby become parallel to the insertion portion, and when the advancing/retracting portion is located between a proximal end portion side and a distal end portion side, the link portion is pushed out in a direction crossing the axial direction of the insertion portion by the advancing/retracting portion and thereby projects from the insertion portion.

Abstract: An ultrasound endoscope having an ultrasound probe that is provided at a rigid portion at a distal end of an insertion portion, a cable that transmits electrical signals to and from the ultrasound probe, and a rigid flexible substrate that is interposed between the ultrasound probe and the cable to transmit the electrical signals, and configures a part of a planar member in which a plurality of layers including a wiring layer are stacked as a flexible portion further including an insulating layer, and the other portion as a rigid portion further including a rigid layer, wherein the ultrasound probe is connected to the rigid portion, and at least a part of the flexible portion is disposed in a spiral shape to surround a wiring connection portion of the cable and the rigid flexible substrate, and an uncovered portion of a distal end side of the cable.

Abstract: An ultrasound endoscope includes: a bending portion; a distal end rigid portion which is located on a distal end side with respect to the bending portion; and a connection portion making up the distal end rigid portion, for connecting the ultrasound observation section with the bending portion, wherein the connection portion is inclined with respect to a central axis of the bending portion, an interface between the connection portion and the bending portion is perpendicular to the central axis, and the connection portion has a swept shape which is obtained by making a cross-section of the interface slide in a direction perpendicular to the central axis while keeping the perpendicularity along a straight line intersecting with the central axis.

Abstract: An endoscope includes an insertion section configured to be extended in a front-and-back direction, configured to be inserted into a body cavity, and including an observation optical system for imaging the inside of the body cavity, an endoscope main body configured to be provided on a rear end side of the insertion section and including a gripping section gripped by an operator, a first antenna configured to be arranged at a position closer to the insertion section than the gripping section, and a second antenna configured to be arranged at a position farther from the insertion section than the gripping section. An image obtained by imaging the inside of the body cavity by the observation optical system is converted into a wireless signal, and transmission/reception of the wireless signal to/from the outside of the endoscope is enabled through at least one of the first and second antennas.