Abstract: A treatment tool for an endoscope includes a sheath which is extended along a longitudinal axis; a pre-curved portion which is disposed at a distal portion of the sheath; a knife wire lumen which is formed along the longitudinal axis of the sheath; a first communication hole and a second communication hole which are open on an outer circumferential surface to communicate the outer circumferential surface positioned with the knife wire lumen; a wire-shaped cutting portion which is protruded from the first communication hole and the second communication hole, and is extended in a position spaced from the outer circumferential surface and the virtual plane; a fixing portion which is provided to fix an end portion of a wire connected to the cutting portion inside the knife wire lumen, and a bending portion which is provided to bend the wire.

Abstract: A treatment tool for an endoscope, includes a sheath which has a center axis along a longitudinal axis; a pre-curved portion which is disposed at a distal portion of the sheath; a knife wire lumen which has a center axis and is formed along the longitudinal axis; a cutting portion which protrudes from an outer circumference surface positioned at an inward side of the curved shape to outside of the pre-curved portion and extends from a distal end portion toward a proximal end portion of the pre-curved portion; a guide wire accommodation portion which is formed along the longitudinal axis of the sheath; a proximal slit formation portion which is communicated from the guide wire accommodation portion to the outside of the sheath; and a distal slit formation portion which is extended from the proximal end of the pre-curved portion to an intermediate portion of the pre-curved portion.

Abstract: An ultrasonic biopsy needle includes a sheath inserted through a channel of an ultrasonic endoscope; a needle tube which is inserted through the sheath and capable of advancing and retracting inside the sheath; and an operation portion which is connected to a proximal end of the sheath and is provided to advance and retract. The sheath includes an extension limiting portion that is positioned more distal than a proximal end of a bending portion of the ultrasonic endoscope. The extension limiting portion is formed of a metal coil, the ratio of the inner diameter of the channel to the outer diameter of the coil is in a range from 1.0:0.84 to 1.0:0.96, the initial tension of the coil is equal to or greater than 2.0 [N] or greater, and extension of the sheath caused by the forward and backward movement of the needle tube is limited.

Abstract: An ultrasonic biopsy needle includes a sheath inserted through a channel of an ultrasonic endoscope; a needle tube which is inserted through the sheath and capable of advancing and retracting in the sheath; and an operation portion which is connected to a proximal end of the sheath and is provided to advance and retract the needle tube. The sheath includes a meandering suppressing portion positioned more proximal than a proximal end of a bending portion of the ultrasonic endoscope when a distal end of the sheath is positioned in a visual field of an optical image-capturing mechanism of the ultrasonic endoscope. The meandering suppressing portion is formed of a metal coil, the ratio of the inner diameter of the channel to the outer diameter of the coil is in a range from 1.0:0.66 to 1.0:0.84, and the initial tension of the coil is equal to or greater than 5.0 [N].

Abstract: This invention provides a product safe for treating, improving or preventing an inflammatory bowel disease such as ulcerative colitis, and provides a product comprising an insoluble dietary fiber obtained by enzymatic treatment of seeds of a grain plant(s) or germinated young seeds thereof, as well as a food or drink or medicament comprising the product.

Abstract: A high-frequency treatment tool for an endoscope includes: a sheath formed of a material having an insulation property; a shaft-shaped member formed of a material having conductivity and inserted to advance and retract in the sheath; and an electrode having a conduit line formed to jet forward a fluid supplied into the sheath, and connected to a distal end section of the shaft-shaped member. The electrode has an outer circumferential surface electrically connected to a contacted tissue to perform treatment, and an inner circumferential surface of the conduit line that faces the fluid when the fluid is supplied. An arithmetic average roughness of the outer circumferential surface is larger than an arithmetic average roughness of the inner circumferential surface, and the arithmetic average roughness of the inner circumferential surface is 0.1 ?m or less.

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: A treatment device for endoscopic therapy of the present invention includes a suturing-ligating member having a distal end portion and a proximal end portion, that carries out at least one of suturing and ligation of biological tissue, a stopper provided to be movable forward or backward on an proximal end side of the suturing or ligating member, and stoppable by friction on the suturing-ligating member to maintain the biological tissue in a sutured or ligated state by the suturing-ligating member, and a suturing-ligation releasing member provided movable with relative to the suturing-ligating member to release the suturing-ligation state maintained by firctional stopping between the suturing-ligating member and the stopper by moving the releasing member to the proximal end portion side of the suturing-ligating member.

Abstract: The present invention aims to provide a corneal endothelium cell proliferation accelerator and a therapeutic agent for a disease relating to corneal endothelium damage, which are administered into the anterior chamber. bFGF is released in a sustained manner by forming bFGF sustained-release gelatin hydrogel particles wherein bFGF is carried on gelatin hydrogel. Therefore, the proliferation of corneal endothelium cells can be accelerated persistently by administration of a preparation containing the bFGF sustained-release gelatin hydrogel particles into the anterior chamber, and diseases relating to corneal endothelium damage can be treated.

Abstract: An endoscopic treatment system 1 of the present invention includes an overtube 2 that is inserted into the body of a patient. An endoscope 7 and a suturing device 8 are inserted into the overtube 2. The overtube 2 has a long and flexible tube main body 3, and a chamber 4 is provided at the distal end of the tube main body 3. The chamber 4 has a lateral hole 10 formed on the lateral surface thereof. The width of the lateral hole 10 is set such that a lesion can be drawn into the lateral hole 10 while preventing other organs on the periphery of the lesion from being drawn into the lateral hole 10.

Abstract: A ligature and suture device for medical application includes a distal end insertion portion, a needle body, a ligature tool, and an operation section. The operation section includes a housing that is provided in a base end portion of the distal end insertion portion, a puncture handle that is provided in the housing so as to be able to move freely backwards and forwards and that drives the needle body, a pressing handle that is provided in the housing so as to be able to move freely backwards and forwards and that drives a pressing member, a ligature tool operation unit that is provided in the housing so as to be able to move freely backwards and forwards and that drives a ligature sheath, and a ligature handle that is provided in the ligature tool operation unit so as to be able to move freely backwards and forwards and that drives an engaging portion.

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: 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 present invention aims to provide a means for effectively and conveniently treating diseases wherein corneal endothelial cells poor in proliferative capacity in vivo are damaged. The present invention provides a therapeutic agent for corneal endothelial dysfunction containing (R)-(+)-N-(1H-pyrrolo [2,3-b]pyridin-4-yl)-4-(1-aminoethyl)benzamide <Y-39983> or a pharmacologically acceptable salt thereof (compound (Ia)) as active ingredient, an agent for promoting adhesion of corneal endothelial cells, containing compound (Ia), a culture medium for corneal endothelial cells, containing the agent for promoting adhesion, an implant for corneal endothelial keratoplasty, containing corneal endothelial cells, scaffold and compound (Ia), and a production method of a corneal endothelial preparation, including a step of cultivating corneal endothelial cells using the culture medium.

Abstract: The present invention aims to provide a corneal endothelium cell proliferation accelerator and a therapeutic agent for a disease relating to corneal endothelium damage, which are administered into the anterior chamber. bFGF is released in a sustained manner by forming bFGF sustained-release gelatin hydrogel particles wherein bFGF is carried on gelatin hydrogel. Therefore, the proliferation of corneal endothelium cells can be accelerated persistently by administration of a preparation containing the bFGF sustained-release gelatin hydrogel particles into the anterior chamber, and diseases relating to corneal endothelium damage can be treated.

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: This invention provides a product safe for treating, improving or preventing an inflammatory bowel disease such as ulcerative colitis, and provides a product comprising an insoluble dietary fiber obtained by enzymatic treatment of seeds of a grain plant(s) or germinated young seeds thereof, as well as a food or drink or medicament comprising the product.