Abstract: A ventilation pipe sleeve system comprises a ventilation pipe sleeve, a first filter, and a cap attached to the ventilation pipe sleeve. The ventilation pipe sleeve includes a tubular body including an outer surface and an inner surface. The inner surface of the tubular body defines a conduit extending from a first end to a second end of the ventilation pipe sleeve. The first filter is liquid impermeable and is gas permeable, the first filter is fixed to the tubular body to form a watertight structure at a first end region of the tubular body. The cap covers the first filter and at least a portion of the outer surface of the tubular body.
Abstract: A method for closing a wound in a tubular organ using a suture thread includes: a first step of connecting a first edge portion and a second edge portion with the suture thread; and a second step of connecting a third edge portion and a fourth edge portion with the suture thread. The first step includes passing the suture thread through a first position on a mucosal surface of at least one of the first edge portion and the second edge portion. The second step includes passing the suture thread through a third position on the mucosal surface of at least one of the third edge portion and the fourth edge portion. A shortest distance between the wound and the third position is larger than a shortest distance between the wound and the first position.
Abstract: A surgical tool including a housing having a proximal end and a distal end the housing including a guide rail. The tool also includes a yoke slidably coupled to the housing, a handle pivotally coupled to the housing, and a link coupling the handle to the housing, the link having a first end and a second end, the first end of the link rotatably coupled to the handle and the second end of the link rotatably coupled to the yoke and slidable within the guide rail. The tool further includes a yoke pivot pin pivotably coupling the second end of the link to the yoke and a handle pivot pin coupling the link to the handle, wherein the handle pivot pin is disposed proximal compared to the yoke pivot pin.
Abstract: An endoscope of the disclosure includes an insertion section including a distal end portion, a bending portion, and a flexible tube portion. The distal end portion includes: a first opening connected to an instrument channel, a second opening connected to a wire channel, a wire, a first detent surface, and a raising base rotatable about an axis between a lowered position and a raised position. The raising base includes an attachment housing and a distal end of the wire is attached to the raising base at the attachment housing. The wire is movable within the wire channel to rotate the raising base about the axis from the lowered position to the raised position, and in the raised position, a stop surface of the attachment housing contacts the first detent surface to limit an amount of rotation of the raising base.
Abstract: An endoscope operation support apparatus (2000) acquires a shape data sequence (50) representing a temporal change of a shape category of an endoscope scope (40). The endoscope operation support apparatus (2000) uses the shape data sequence (50) to determine a target category suitable as a transition destination of the shape category of the endoscope scope (40) or a target position which is a position suitable as a position at which the endoscope scope (40) transitions. The endoscope operation support apparatus (2000) outputs target information (20) that is information regarding the target category or the target position.
October 21, 2020
November 16, 2023
NEC CORPORATION, OLYMPUS MEDICAL SYSTEMS CORP.
Abstract: A reprocessor for medical equipment includes a sensor configured to detect that a liquid is within a detection range, and a tray in which a bottle containing the liquid is arranged. The sensor is arranged at a position where, in a state where the bottle having a first side surface, a second side surface, and a connection surface is set in the tray, one of the first side surface and the second side surface and the connection surface is inside of the detection range and another of the first side surface and the second side surface is outside of the detection range.
Abstract: An endoscope processor includes a processor. The processor discriminates, in first image information acquired by applying first illumination light, between first region image information constituted of an object of an interest subject and second region image information constituted of an object of a non-interest subject, generates third region image information of a region in second image information acquired by applying second illumination light, the region including at least a part of a region of the second region image information, the second illumination light having a wavelength different from a wavelength of the first illumination light and passing through the object of the non-interest subject, and combines the first region image information and the third region image information, to generate a partial transparent image in which the object of the non-interest subject of the first image information is made transparent.
Abstract: An endoscope according to an embodiment includes a grip unit, an insert unit, a light source, a light exit part provided in the insert unit, a first light guide, a second light guide, and an optical connector disposed in the grip unit. The first light guide has a first entrance end located on the side of the light source and a first exit end located on the side of the optical connector. The second light guide has a second entrance end located on the side of the optical connector and a second exit end located on the side of the light exit part. The light that goes out from the first exit end enters the second entrance end through the optical connector.
Abstract: An endoscope includes an insertion portion, an operation portion, a moving member, a detent, a rod, a wire and a bearing. The insertion portion is configured for insertion into a subject, the insertion portion including an actuating mechanism. The operation portion, the moving member, the rod and the wire are translatable in conjunction with each other. The detent located distally relative to the moving member, and the detent is configured to prevent a distally forward translation of the moving member past the detent. The bearing is located distally relative to the moving member, the bearing including an opening having a contact surface. The rod extends through the opening and is in slidable contact with the contact surface, and the contact surface is made of resin.
Abstract: An image pickup unit includes an image sensor, a first circuit board on which a first land is disposed around four first side surfaces, a second circuit board on which a second land is disposed around four second side surfaces, a movement detection sensor housed in a recess of the first circuit board, and a rectangular tube bonded to the first land and the second land and sealing the recess in an airtight manner.
Abstract: A voltage generation circuit includes a booster circuit, a control buffer circuit, and a driving buffer circuit. The booster circuit includes a capacitance element and a transistor. The booster circuit generates a higher first voltage than the power source voltage, and the control buffer circuit controls the transistor by using a third voltage that is lower than the first voltage and is higher than a ground voltage. Alternatively, the booster circuit generates a lower second voltage than the ground voltage, and the control buffer circuit controls the transistor by using a fourth voltage that is higher than the second voltage and is lower than or equal to the ground voltage.
Abstract: A processor comprises a receiver including a recess. The recess includes a channel, and an inflatable body located in the channel. The inflatable body has an outer periphery surface and an inner periphery surface. The inner periphery surface defines a central opening in the inflatable body. The inflatable body is reversibly inflatable between a deflated state and an inflated state.
Abstract: An insertion apparatus includes: an insertion portion including, a first conduit having a first opening, an illumination chamber having a second opening, an optical fiber configured to guide and radiate an illumination light, and an illumination lens. The first conduit is in fluid communication with an outside of the insertion portion via the first opening. The illumination chamber is configured to fluidly communicate with a peripheral part of the first conduit via the second opening. A distal end of the optical fiber is located inside of the illumination chamber. The illumination lens is configured to radiate the illumination light to the outside of the insertion portion.
Abstract: An ultrasound probe includes: an ultrasound transducer that includes a piezoelectric element configured to transmit and receive ultrasound waves to and from a subject; and an adjustment layer that is laminated on the piezoelectric element, the adjustment layer being provided with a cut surface that is cut by a blade configured to cut the piezoelectric element, the adjustment layer including an adjustment material configured to improve cutting performance of the blade.
Abstract: A light source device includes: a first and second light sources respectively emitting a first and second light beams spectra of which are different from each other; an element guiding the first and second light beams to a common optical path; a first and second sensors respectively detecting light quantities of the first and second light beams; and a controller controlling, on the basis of the detected light quantities, the light quantities of the first and second light beams. The element guides the first light beam to the path by reflecting the first light beam, the first sensor is disposed in the path, the device further includes a first and second members respectively blocking a first and second regions respectively corresponding to portions of the first and second light beams, the first sensor is disposed in the second region, and the second sensor is disposed in the first region.
Abstract: An endoscope insertion method and an overtube are disclosed. The method is for inserting an endoscope into the vicinity of a duodenum using an overtube equipped with a raising member, and includes: adjusting an orientation of the distal end of the endoscope protruding from the overtube by the raising member to direct the distal end of the endoscope toward a pylorus; and inserting the distal end of the endoscope into the vicinity of the duodenum. The overtube includes: a tube body; and a first balloon provided on a distal end side of a distal end opening of the tube body. A center of the first balloon in a contracted state and a center of the first balloon in an expanded state are on opposite sides of a central axis of the tube body in an attaching direction of the first balloon to the tube body.
Abstract: Provided is an image processing apparatus including a processor. The processor is configured to: reconstruct, by employing an image set acquired by means of an endoscope, three-dimensional information of an imaging subject; estimate, by means of an estimator, imaging-subject distances from the image set by employing a learning parameter; calculate, on the basis of the estimated imaging-subject distances and the imaging-subject distances in the three-dimensional information, a scale coefficient; convert relative dimensions of the three-dimensional information to absolute dimensions by employing the scale coefficient; and output the three-dimensional information containing the absolute dimensions.
Abstract: A medical insertion equipment system comprises a capsule including an outer shell and an interior space, a disinfectant that is located in the interior space of the capsule, and a medical insertion instrument that includes an operation section, an insertion section configured for insertion into a subject, an insertion conduit located in the insertion section, and a fixture located in the operation section, the fixture including a body having a receiver space for holding at least a portion of the capsule, and wherein the insertion conduit extends along an insertion axis from a distal end side of the insertion section to a proximal end side of the insertion section, and wherein the fixture includes an opening in a surface of the receiver space, and wherein the opening is in fluid communication with the insertion conduit via a connecting conduit.
Abstract: Provided are a forceps including: a shaft; a wire that is movable in a longitudinal direction inside the shaft; and a first arm and a second arm, each of which has a first jaw or a second jaw, that are connected to each other in a pivotable manner by means of a third joint. The first arm is connected to a distal end of the shaft in a pivotable manner by means of a first joint, and the second arm is connected to a distal end of the wire in a pivotable manner by means of a second joint. The third joint is provided between the first jaw and the first joint and between the second jaw and the second joint, and is disposed lateral to the wire in a state in which the first and second jaws are open. The first and second jaws are closed while the third joint is moving outward in the lateral direction with respect to the shaft.
Abstract: A medical apparatus comprises an insertion section inserted into a subject, a treatment instrument channel provided in the insertion section along an insertion axis extending from a proximal end to a distal end of the insertion section, a treatment instrument being inserted through the treatment instrument channel, an elastic member provided in at least a part of the treatment instrument channel, and a channel operation member for transmitting an operation force to the elastic member, and wherein the elastic member changes, according to the operation force, a sectional area of an inside of the treatment instrument channel in a direction crossing the insertion axis.