Abstract: An endoscope system includes: an endoscope including an elongated insertion portion provided with a bendable bending portion, the insertion portion being inserted into a duodenum; and a first balloon to a fourth balloon for moving a one-side surface of a distal end portion located nearer to a distal end side than the bending portion in the insertion portion in parallel with respect to a field of view direction S of an objective lens which is a diameter direction of the insertion portion, separately from bending of the bending portion, the one-side surface being located in a circumferential direction along an insertion direction W of the insertion portion and parallel to a central axis P of the insertion portion.

Abstract: An apparatus is provided which assists operations required for a medical instrument. A tubular portion and a therapeutic member of the instrument are inserted through a channel of an insertion tube of an endoscope. In the apparatus, a first drive unit enables the therapeutic member to perform the desired therapeutic operations responsively to a first command signal and a second drive unit enables the tubular portion inserted in the channel to convey responsively to a second command signal. An input device is provided at which two kinds of commands are allowed to be inputted command by command. The two kinds of commands allow the therapeutic member and the tubular portion to be driven in parallel with each other. A controller provides the first and second drive units with the first and second command signals, respectively, in accordance with the two kinds of commands.

Abstract: A medical system includes: a first operation apparatus used when a first doctor operates a medical instrument; a second operation apparatus that outputs a control instruction signal for controlling a motion of the medical instrument, and is operated by a second doctor; at least one medical action information detection section that detects medical action information based on the motion of the medical instrument when the first doctor operates the medical instrument using the first operation apparatus; a storage apparatus that stores reference information set by the second doctor according to the first doctor for comparing with the medical action information detected by the medical action information detection section; a switching signal generation apparatus that is connected to the second operation apparatus, and switches an output destination of the control instruction signal based on the medical action information detected by the medical action information detection section and the reference information store

Abstract: An endoscope includes a side viewing observation section and a forward viewing observation section provided on a distal end side of an insertion portion which is inserted into an observation target for acquiring subject images of an observation target in a circumferential direction and an insertion direction of the insertion portion, respectively, a shielding section located within a viewing field of the side viewing observation section for shielding light from the subject entering the side viewing observation section and a protruding member protruding from the insertion portion arranged in a shielding region formed by the shielding section. The protruding member includes at least a cleaning nozzle for cleaning the forward viewing observation section and/or the side viewing observation section.

Abstract: An endoscope system including an endoscope which acquires a front field-of-view image and a lateral field-of-view image of an object of observation; a detecting section which has a function capable of detecting whether a treatment instrument is used or not in the endoscope based on a notification signal which is outputted when the treatment instrument is inserted into the endoscope; and an image processing section. The image processing section generates an observation image including the front field-of-view image and the lateral field-of-view image within the same screen, displays a magnified image of one field-of-view image out of the front field-of-view image and the lateral field-of-view image on a display, and performs adjacent part display processing of displaying only a part of the one field-of-view image which is adjacent to the other field-of-view image or image compression processing of displaying a compressed image of the other field-of-view image on the display.

Abstract: A first bendable section which can be bent in an arbitrary direction and a second bendable section which can be bent in the bending direction of this first bendable section are provided at the tip end side of an insertion portion. A balloon which is inflated/contracted by feed/discharge of a fluid is provided in this second bendable section so that hardness of this second bendable section can be varied and insertion work into a curved portion is facilitated.

Abstract: An endoscope includes: a distal end portion provided at a distal end of an insertion portion; a front-view observation window for observing an insertion direction of the distal end portion, which is provided facing toward the insertion direction; a lateral-view observation window for observing a circumferential direction of the distal end portion, which is formed along the outer circumferential lateral surface and has a lateral observation field of view; a light-emitting member having an emission end surface for emitting light in a distal end direction of the distal end portion; a groove portion formed on the outer circumferential lateral surface of the distal end portion so as to be longer than the emission end surface of the light-emitting member along the circumferential direction of the outer circumferential lateral surface of the distal end portion and opposed to the emission end surface, on a proximal end side with respect to the lateral-view observation window; a plurality of particles for scattering l

Abstract: The rear end side of treatment equipment-side duct which enables treatment equipment provided within an insertion unit to be inserted, and which also serves as a suction duct, is disposed generally in parallel with the tip side of a suction-side duct extending forward from a universal cable side so as to be an opening end, and both opening ends are detachably attached with a filter unit in which a forceps plug portion serving as a suction duct opening, and a filter portion for retrieving (storing) tissue by suction are provided, and a suction switchover valve for performing a suction switchover operation is provided at the backward side thereof, thereby enabling retrieval of tissue without influence of the periphery of the suction switchover valve. Thus, defects due to a long duct can be eliminated, and tissue can be retrieved without influence of the periphery of the suction switchover valve.

Abstract: A medical system includes an endoscope which is a first medical instrument, a gas supply apparatus which is a second medical instrument that supplies a gas to an insertion site at which an insertion portion of the endoscope is inserted, a biological information acquiring apparatus which is a biological information detection section that detects a blood flow rate at the insertion site as a biological information detected value, a manipulation information acquiring apparatus which is a manipulation information detection section that contacts the insertion portion of the endoscope and is combined with a roller that rotates as the insertion portion moves forward or backward to detect an amount of rotation of the roller as manipulation information, and a system control apparatus provided with a control section that outputs an instruction signal for changing an amount of gas supply to the gas supply apparatus according to the detected value detected by the biological information acquiring apparatus and the manipula

Abstract: An endoscope system of the present invention has an endoscope which acquires a direct-view field of view image and a side-view field of view image of an object to be observed, a light source apparatus which supplies an illuminating light for illuminating the object to be observed, a detection section which detects a change of a physical quantity with respect to movement of an insertion section provided at the endoscope, which occurs due to an operation of the endoscope, an image processing unit which generates and outputs a video signal including the direct-view field of view image and the side-view field of view image in a same screen, and a light adjustment area selection section which detects a brightness of the direct-view field of view image and a brightness of the side-view field of view image individually, selects a field of view image corresponding to a moving direction in which the change of the physical quantity increases out of the direct-view field of view image and the side-view field of view ima

Abstract: An insertion portion, a projecting portion that projects forward from a first distal end surface of the insertion portion, a forward observing lens that faces a second distal end surface of the projecting portion, a dual purpose lens a light receiving surface of which faces an outer peripheral side surface of the projecting portion along the outer peripheral side surface of the projecting portion, a first forward illuminating lens that faces the first distal end surface, and a light shielding portion 20m that is located on a phantom line that linearly connects an end portion at a distal end side of the dual purpose lens and an end portion at an outer side in a diameter direction K in the first forward illuminating lens are included.

Abstract: A two-part bending endoscope includes: a first bending part which configures one side of a bending portion; a second bending part which configures the other end side of the bending portion; and a bending portion operation apparatus including a first operation device for causing the first bending part to perform a bending action and a second operation device for causing the second bending part to perform a bending action, wherein the bending portion operation apparatus includes a selective power-transmitting mechanism section which enables at least a bending action of the first bending part by the first operation device, and an interlocking operation of the second bending part and the first bending part by the second operation device.

Abstract: A medical system according to the present invention includes: a medical instrument provided with a treatment portion for performing treatment operations on living body tissue; a treatment portion displacement mechanism for displacing the position of the treatment portion of the medical instrument; a treatment detection portion that detects whether the treatment portion is in a treatment state or a non-treatment state; and a control portion that controls displacement of the treatment portion by controlling the treatment portion displacement mechanism according to detection results from the treatment detection portion.

Abstract: A medical device of the invention includes: a treatment instrument including a treatment portion which is used extended from a distal end of an endoscope insertion portion having a treatment instrument channel, an operation portion for operation of advancing/retreating an operation wire coupled to the treatment portion, and a treatment instrument insertion portion in which the operation wire is advanceably/retreatably inserted, the treatment instrument insertion portion having a predetermined flexibility and inserted into the treatment instrument channel; a detecting portion for detecting advancing/retreating moving amount of the treatment instrument insertion portion; a treatment portion operating device to which the operation portion is installed, the treatment portion operating device advancing/retreating the operation wire to operate the treatment portion; an operation instructing portion for instructing operation of the treatment portion; and a control device for judging a state of the treatment instrume

Abstract: According to the present invention, there is provided an endoscope system including: an endoscope having an elongated insertion portion; a medical instrument configured to be inserted in a channel of the insertion portion of the endoscope and to have an elongated flexible sheath; and an advancing and retracting apparatus configured to advance and retract the sheath of the medical instrument in the channel with two rollers, wherein the sheath of the medical instrument is configured to have an outer diameter larger than the distance between the roller surfaces of the two rollers, and to have a frictional resistance increasing unit for increasing frictional resistance between the respective roller surfaces and the outer peripheral surface of the sheath in contact with the respective roller surfaces in a state where the sheath is inserted between the two rollers.

Abstract: An endoscope system according to the present invention includes: an endoscope equipped with a long insertion portion; a medical instrument which includes a treating portion installed in a distal part and used to perform various treatments in a body cavity and a long sheath including a rigid portion with predetermined flexibility and a flexible portion more flexible than the rigid portion, the rigid portion and flexible portion being installed consecutively starting from a distal side, where the sheath is inserted in a channel of the insertion portion of the endoscope; an operation instruction apparatus used to give commands regarding operation of the medical instrument; a first medical instrument drive apparatus which operates the treating portion of the medical instrument; and a second medical instrument drive apparatus which moves the sheath forward and backward.

Abstract: With a first endoscope inserted through an overtube, the overtube is orally inserted into an object being examined, and a distal end portion of an insertion tube of the first endoscope is made to advance, within the object, from a jejunum via a jejunum-to-jejunum anastomosed portion and a jejunum-anastomosed bent portion so that the distal end portion is located adjacently to a Vater's papilla of a duodenum. The overtube is then sent to a position which is adjacent to the Vater's papilla along the insertion tube of the first endoscope. After this, the first endoscope is pulled from the overtube. A second endoscope is then inserted into the overtube to make a distal end portion of its insertion tube protrude from the distal end of the overtube and is located adjacently to the Vater's papilla. The second endoscope thus-approached is used to treat the Vater's papilla and the tissue therearound.

Abstract: An endoscope includes: a distal end portion provided at a distal end of an insertion portion; a front-view observation window for observing an insertion direction of the distal end portion, which is provided facing toward the insertion direction; a lateral-view observation window for observing a circumferential direction of the distal end portion, which is formed along the outer circumferential lateral surface and has a lateral observation field of view; a light-emitting member having an emission end surface for emitting light in a distal end direction of the distal end portion; a groove portion formed on the outer circumferential lateral surface of the distal end portion so as to be longer than the emission end surface of the light-emitting member along the circumferential direction of the outer circumferential lateral surface of the distal end portion and opposed to the emission end surface, on a proximal end side with respect to the lateral-view observation window; a plurality of particles for scattering l

Abstract: An endoscope includes a side viewing observation section and a forward viewing observation section provided on a distal end side of an insertion portion which is inserted into an observation target for acquiring subject images of an observation target in a circumferential direction and an insertion direction of the insertion portion, respectively, a shielding section located within a viewing field of the side viewing observation section for shielding light from the subject entering the side viewing observation section and a protruding member protruding from the insertion portion arranged in a shielding region formed by the shielding section.

Abstract: An endoscope capable of being autoclaved in accordance with the present invention includes an insertion unit, an internal endoscope space, and contents. The insertion unit has a soft member, which is made of a soft polymeric material, as at least part of a casing thereof. The internal endoscope space includes the internal space of the insertion unit that is formed at a first sealing level at which the internal space is sealed in a watertight manner relative to an outside. The contents include at least one hermetically sealed unit composed of a plurality of airtight partition members and formed at a second sealing level higher than the first sealing level by joining the meeting portions of the airtight partition members using an airtight joining material. All or part of the airtight partition members is stowed in the internal endoscope space.