Abstract: An endoscope comprises an insertion portion including a distal end portion having a longitudinal axis. The distal end portion includes an inner surface forming a recess, a first channel extending in a first direction and configured to receive a treatment instrument, the first channel including a first opening disposed at the inner surface of the recess, a raising base disposed in the recess and configured to direct a distal end of the treatment instrument received in the first channel, and a second channel including a second opening disposed at the inner surface, the second channel configured to discharge a first liquid to inside of the recess via the second opening.

Abstract: An endoscope system includes an endoscope, a moving device that moves the endoscope, a storage unit, and a processor. The storage unit stores first position information and first rotation angle information, which defines a rotation angle of an endoscope image of a first region, on the first region in a subject and second position information and second rotation angle information, which defines a rotation angle of an endoscope image of a second region, on the second region in the subject. The processor calculates third rotation angle information on a third region in the subject based on the first and second position information, the first and second rotation angle information, and third position information on the third region. If the third region includes the current imaging region, the processor rotates the endoscope image based on the third rotation angle information and outputs the rotated endoscope image to the display device.

Abstract: A medical system includes an endoscope that captures an image including an object, a moving device that includes a robot arm and that moves the endoscope in a body, and a controller that controls the moving device on the basis of the position of the object. The controller is configured to control the moving device in a first control mode in which the endoscope is caused to follow the object at a first speed and a second control mode in which the endoscope is caused to follow the object at a second speed lower than the first speed. The controller controls the moving device in the first control mode when the object is located outside a predetermined three-dimensional region set in a field of view of the endoscope. The controller controls the moving device in the second control mode when the object is located in the predetermined three-dimensional region.

Abstract: An implant and a handheld medical device using which the implant may be removed particularly easily and without traumatizing the patient. This is achieved in that a proximal end of an implant has a coupling part having a ferromagnetic element, the implant being able to be withdrawn from the urethra via this coupling part.

Abstract: The image pickup unit includes an image pickup device, a substrate, a movable lens drive member, a flexible substrate and a movable lens drive cable, and an image pickup cable. The flexible substrate, the movable lens drive cable, and the image pickup cable are disposed on the substrate.

Abstract: The disclosed technology is directed to a treatment instrument having a vibration generating device and a handle for operation. The vibration generating device comprises a housing and a generator including a transducer disposed within the housing. The transducer generates vibration by using electric energy and a first electric contact disposed on the housing. A connector is rotatable about a predetermined rotational axis with respect to the housing of the generator. A coupler is disposed in the connector and having a second electric contact rotatable about the predetermined rotational axis with respect to the first electric contact in a state in which an electric connection of the second electric contact to the first electric contact is maintained. The connector further includes a conductive member forming a part of an electric path of a current that flows based on an operating input at an operating member provided on the handle.

Abstract: A medical lighting device, a system for fluorescence image guided surgery and a method to manufacture a medical lighting device are provided. The medical lighting device includes a device body and light guiding optics. The light guiding optics comprise optical fibers and a first ring-shaped mirror encircling the device body. A segment of each optical fiber passes through the first ring-shaped mirror while being guided towards the distal end. After passing through the first ring-shaped mirror, a light guiding element redirects one or more of excitation light and white light ack towards the first ring-shaped mirror. The first ring-shaped mirror reflects the one or more of the emitted excitation light and the white light towards the area to be illuminated by the one or more of the excitation light and the white light.

Abstract: An ultrasound observation system includes a processor includes hardware. The processor is configured to: receive an echo signal based on ultrasound scanning of a scan region of a subject; set first regions in the scan region, each one of the first regions including second regions; calculate frequency spectra in the respective second regions based on an analysis of the echo signal; calculate a plurality of pieces of feature data based on the frequency spectra; calculate a statistical value of the plurality of pieces of feature data in the first regions; set filters for the respective first regions based on the statistical value; perform a filtering process with the filters on the echo signal to calculate a second echo signal; and generate ultrasound image data based on an amplitude of the second echo signal, frequency curves of the filters differing from each other depending on the statistical value.

Abstract: An implant in which the Lobus medius (median lobe) can be treated in a simple and reliable manner. This is achieved by virtue of the fact that an implant for the treatment of a urinary tract has a wire structure. The wire structure has a loop wire, which can be expanded to form a loop, wherein at least two net wires can be stretched in this loop and the wire structure can be placed around the median lobe.

Abstract: An implant for efficient and gentle treatment of the urinary tract. This is achieved in that an implant has a pressure means structure, which is constructed from at least two pressure means. These pressure means are of rod-like design and exert a local ischemic pressure on the tissue of the urethra. In addition, the pressure means are secured with their distal ends on a common distal connecting body and with their proximal ends on a common proximal connecting body, wherein the distal connecting body is secured in a fixed manner to a tightening means and the proximal connecting body is movably mounted on the tightening means.

Abstract: A part of an item container for a medical device includes a bulging-shape portion for storing an item for a medical device, a flange, a protruding-shape portion, and a concave portion provided in contact with the bulging-shape portion. The protruding-shape portion is arranged at a position spaced apart from the bulging-shape portion in a second direction, and is provided to extend in an elongated manner in a third direction different from the second direction.

Abstract: A shaft and a handheld surgical device have an optimized shape for accommodating an instrument. This is achieved in that a peripheral border of a distal opening of a shaft for a handheld surgical device has a thickening facing outward at least in sections. Cut injuries can be avoided by this thickening due to the rounded borders of the distal opening.

Abstract: An implant with which a urinary tract can be treated in a simple and reliable manner is achieved in that a wire structure of an implant can be introduced into the urethra in a folded state with a distal end in the lead. The wire structure is unfolded inside the urethra for the treatment of the tissue. The ischemic pressure of the wires on the surrounding tissue results in denaturation. At least one further device for constricting or cutting into tissue is positioned on the wire structure. This at least one further device is designed in such a way that it exerts a local ischemic pressure on the median lobe in the unfolded state of the implant.

Abstract: A controller controls an image that is captured by an image sensor of an endoscope and is displayed on the display screen of a display device. The controller includes a processor. The processor acquires a first image that is an image captured by the image sensor, detects a first angle of a surgical instrument, and generates a second image rotated with respect to the first image on the basis of the first angle and a predetermined target angle. The first angle is an angle formed by the surgical instrument in the first image with respect to a predetermined reference line that is set with respect to a plane of the first image. A second angle formed by the surgical instrument in the second image with respect to the predetermined reference line is equal to the predetermined target angle.

Abstract: A relay adapter includes a first connector configured to connect to a processor supplying a first power. The relay adapter includes a second connector configured to connect to an insertion instrument operable using a second power. The relay adapter includes a power circuit coupled to the first connector to receive the first power. The power circuit is configured to convert the first power into the second power The power circuit is coupled to the second connector for delivering the second power to the second connector. The relay adapter includes a switching circuit coupled to the power circuit. When the second connector is not connected to the insertion instrument, the switching circuit prevents the power circuit from delivering the second power to the second connector.

Abstract: A controller controls a movement of an endoscope to cause the endoscope to follow a surgical instrument. The controller includes a processor. The processor acquires position information including the position of the surgical instrument, acquires scene information associated with a procedure scene to be observed through the endoscope, determines an offset parameter, which determines the position of the target point with respect to a predetermined fiducial point in the field of view of the endoscope, of a target point on the basis of the scene information, sets the position of the target point with respect to the fiducial point on the basis of the offset parameter, and causes the endoscope to follow the surgical instrument such that the surgical instrument is disposed at the target point, by controlling a movement of the endoscope on the basis of the position of the target point and the position of the surgical instrument.

Abstract: A medical system includes an imager configured to pick up an image and output an image signal, a signal processing device configured to generate an observation image from the image signal, a display configured to display the observation image, and a relay device, and the signal processing device derives a processing sequence that minimizes a time duration from when the imager picks up an image until the display displays the observation image, based on a first specification of the image signal at the imager, a second specification of the signal processing device, a third specification of the observation image at the display, and a communication protocol of the relay device, provides instruction of a fourth specification to the imager based on the processing sequence, and provides instruction of a fifth specification to the display based on the processing sequence.

Abstract: An electrosurgical generator which outputs high-frequency AC voltage for an electrosurgical instrument includes a leakage current detecting device for the connected electrosurgical instrument. The leakage current detecting device is embodied as a voltage measuring device, the inputs of which are connected in each case via a capacitive coupling to an active and a neutral line of the output line and which has a bipolar voltage divider having a predetermined fixed ratio. An asymmetry detector connected via a capacitive coupling compares upper and lower voltage at the voltage divider, and outputs a fault signal for leakage current in the case of deviation of the ratio of upper to lower voltage from the predetermined fixed ratio.

Abstract: An information acquisition unit acquires multiple pieces of image information acquired through image analysis of multiple images captured in an endoscopic examination. An image information storage unit stores the acquired multiple pieces of image information. A number evaluation unit derives the number of captured images of each region based on the stored multiple pieces of image information and assigns, when the derived number of captured images of a region is different from an appropriate number of captured images, a first evaluation value to the evaluation result for the region. An image evaluation unit extracts, from the stored multiple pieces of image information, image information indicating that an image is inappropriate and assigns a second evaluation value to the evaluation result for the region corresponding to the extracted image information.

Abstract: It is an object of the present invention to provide an endoscope insertion assistance apparatus, a method and a program that allow an operator of an endoscope to easily grasp an insertion situation of the endoscope to thereby conduct effective insertion assistance. An endoscope insertion assistance apparatus (100) according to the present invention includes an acquisition unit (110) that acquires shape data to identify an insertion shape of an endoscope inserted into a lumen, an estimation unit (120) that estimates any one of a plurality of shape categories for the insertion shape from the shape data and an output unit (130) that outputs display information in chronological order for the estimated shape category.

Abstract: A rigidity variable apparatus includes: a rigidity variable member having a cylindrical shape, a bending rigidity of the rigidity variable member increasing by being heated; a heater having a cylindrical shape and arranged along the rigidity variable member on an inside of the rigidity variable member in a radial direction, the heater being configured to heat the rigidity variable member; a filler arranged so as to fill a gap between the heater and the rigidity variable member in the radial direction, the filler being configured to transfer heat from the heater to the rigidity variable member; and a tube arranged along the heater on an inside of the heater in the radial direction.

Abstract: An examination device includes a processor, and the processor detects, in swallowing videoendoscopy in which an inflow object is given to a subject and a swallowing action is observed, at least two timings among a swallowing instruction timing at which a swallowing instruction is given, an inflow timing of the inflow object into the pharynx during the swallowing action, and a swallowing reflex triggering timing in the subject.

Abstract: An endoscopic suturing method includes penetrating an indwelling member into a first portion of a mucous membrane, moving the indwelling member toward a second portion of the mucous membrane while pushing the first portion of the mucous membrane and penetrating the indwelling member into the second portion of the mucous membrane with the indwelling member penetrated into the first portion of the mucous membrane, and leaving the indwelling member in a body in a state in which the indwelling member penetrates the first portion of the mucous membrane and the second portion of the mucous membrane.

Abstract: An endoscope comprises an insertion portion, an operation portion body provided at a proximal end side of the insertion portion, a knob provided in the operation portion body, the knob configured to rotate around a rotation shaft, and a turn locking mechanism provided in the knob. The turn locking mechanism includes a lock button reversibly translatable from a first position to a second position, a lock bar connected to the lock button, the lock bar extending from an inside surface of the lock button, and a fixed member attached to the operation portion body. When the lock button is in the second position, the lock bar engages the fixed member to prevent the knob from rotating around the rotation shaft.

Abstract: A medical system including: an instrument having a motion that is electrically driven, the motion being forward and backward movement of an insertion section, a bending angle of a bending section of the insertion section, and/or rolling rotation of the insertion section; an operation device performing an operation input of the motion; and a processor. The processor controlling the motion based on the operation input in a motion mode, the motion mode being one of a full auto mode to perform automatic control of the motion and a semi auto mode in which an operator manually controls the motion. When controlling the motion in the semi auto mode, the processor interrupting the semi auto mode by automatic control of the motion to perform intervention, Subsequent to the intervention, the processor switching to one of the full auto mode and the semi auto mode based on a use of the instrument.

Abstract: An information processing system, including a processor comprising hardware. The processor being configured to: acquire an endoscope image from an endoscope, the endoscope image showing a papillary portion, determine route information of a lumen based on the endoscope image, the lumen being at least one of a biliary duct or a pancreatic duct, generate a display image based on a result of the determination of the route information of the lumen, the display image having a route guide image to provide guidance of a route of the lumen leading to the papillary portion superimposed on the endoscope image, and display the display image on a display.

Abstract: An imaging system includes: an imaging unit configured to generate a video signal; a control device configured to control the imaging unit; a first signal line configured to transmit a predetermined power supply voltage to the imaging unit; and a second signal line configured to transmit the video signal to the 284 control device. The imaging unit includes an imaging element including a pixel portion configured to generate the video signal according to a light reception amount and output the generated video signal to the second signal line, and a first detector configured to detect a voltage value of a power supply voltage that has reached the imaging unit via the first signal line as a voltage value of a first power supply voltage and output the voltage value to the second signal line.

Abstract: A control apparatus includes a processor. The processor selects one scene of a plurality of scenes of a predetermined surgical operation based on user input, changes settings of a surgical apparatus according to the scene selected when each scene is selected, selects surgery-related information according to the scene selected, and displays the surgery-related information on a display unit.

Abstract: An information processing system comprises a processor including hardware. The processor is configured to acquire an evaluation parameter of a procedure performed by a doctor, calculate one or more evaluation items based on the evaluation parameter acquired, evaluate a first skill of the procedure based on the one or more evaluation items calculated, reference a training course based on the one or more evaluation items calculated and the first skill evaluated, and a database storing each of the one or more evaluation items in correspondence with training courses based on weighting coefficients, and perform processing of notifying a proposal of the training course referenced.

Abstract: A medical system including an endoscope configured to electrically drive an endoscopic operation. The endoscopic operation includes at least one of a forward and backward movement of an insertion section, a bending angle of a bending section of the insertion section, and a rolling rotation of the insertion section, the endoscope being configured to capture an endoscope image. The medical system further includes a processor comprising hardware. The processor is configured to control the endoscopic operation to achieve a second positioning subsequent to a first positioning, the first positioning being where the insertion section is positioned with respect to a papillary portion of a duodenum, the second positioning positions a distal end section of the insertion section with respect to a papillary portion of the duodenum based on the endoscope image.

Abstract: A cannulation method includes inserting an endoscope into a duodenum, bringing a distal end section of the endoscope to a position where a duodenal papilla is within a field of view of the endoscope, promoting secretion of pancreatic juice or bile by administering a drainage stimulant, determining an amount of relaxation of the duodenal papilla, and performing cannulation into a biliary duct through the duodenal papilla where the amount of relaxation is greater than a predetermined amount.

Abstract: An endoscope includes a channel tube provided in a direction of a longitudinal axis of an insertion section, and a pipe sleeve provided in the operation section and including a tube insertion hole on a distal end side, the proximal end side of the channel tube being inserted in the tube insertion hole. An inner diameter at a first position on a proximal end side of the pipe sleeve is larger than an inner diameter at a second position in a hole part that communicates with a proximal end of the tube insertion hole, the inner diameter at the second position of the pipe sleeve is smaller than an inner diameter at a third position in the tube insertion hole, and the pipe sleeve includes an abutting surface at the proximal end of the tube insertion hole.

Abstract: An order information recording unit records information on an order for a patient. An arrival state recording unit records an arrival state that indicates whether or not a patient has arrived, in association with an order for the patient. An accepting unit accepts patient identification information entered into a portable terminal device. An order retrieval unit retrieves an order related to the patient identification information accepted by the accepting unit. A decision processing unit decides to display an entry screen for medical interview information when the arrival state associated with an order related to the patient identification information indicates that the patient has arrived. A display processing unit displays the entry screen for the medical interview information on the portable terminal device, in response to the decision made by the decision processing unit.

Abstract: A delivery device includes a handle, a first sheath having a proximal end portion connected to the handle, a second sheath through which the first sheath is inserted, the second sheath translatable relative to the handle in a longitudinal direction of the delivery device, a third sheath through which the second sheath is inserted and a length adjustment mechanism. A distance in the longitudinal direction of the delivery device between a proximal end of the first sheath and a distal end of the third sheath defines a separation distance. The length adjustment mechanism adjusts the separation distance between a first length and a second length. The second length is longer than the first length.

Abstract: An endoscope treatment tool includes a sheath, an electrode and a needle. The sheath includes a first hole opened at a distal end of the sheath. The electrode is inserted into the first hole and includes a second hole opened at a distal end of the electrode. The needle is inserted into the second hole. The needle is movable to protrude from a distal end of the second hole of the electrode. A gap between the electrode and the needle is configured to pass a fluid.

Abstract: High-frequency electrodes for handheld surgical devices are used above all in urology in electrosurgical work in the bladder, prostate, and urethra. These electrodes are known to be manufactured from a platinum-iridium alloy. The costs of these materials have proven to be particularly disadvantageous. A high-frequency electrode, an electrode instrument, and a resectoscope for which the production costs are reduced and the reliability of the electrode during the treatment is ensured. This is achieved in that the high-frequency electrode consists of a platinum-tungsten alloy, in particular is produced therefrom.

Abstract: A treatment tool includes a sheath, a hollow pipe extending in the sheath and an elastically deformable constricting member. The hollow pipe includes a flow channel formed in a direction of a longitudinal axis of the hollow pipe and extending between a distal end of the hollow pipe and a proximal end of the hollow pipe. The elastically deformable constricting member includes a first end that is reversibly insertable into the flow channel.

Abstract: An endoscope system includes: a light source configured to emit a pulse light; an imager configured to capture an image on a frame by frame basis; a processor configured to: determine a first Duty target value representing a Duty ratio of the pulse light to make an image that is captured in a next imaging frame have intended brightness; based on a frequency of vocal cords, determine a light emission period at a time when the pulse light is emitted; based on the first duty target value and the light emission period, determine a pulse width of the pulse light that is emitted next; and based on the light emission period and the pulse width, control the light source in light emission.

Abstract: An endoscope treatment tool includes a sheath and an incision device. The sheath includes a distal end portion having a first channel. The first channel extends internal to the distal end portion between a distal opening at a distal end surface of the distal end portion and a proximal opening at a main flow chamber. The incision device is inserted in the first channel and includes a second channel extending between a distal end of the incision device and a proximal end of the incision device. The endoscope treatment tool is switchable between a first mode and a second mode. In the first mode, a first path for fluid is formed between the main flow chamber and the first channel. In the second mode, a second path for fluid is formed between the main flow chamber and the second channel.

Abstract: An endoscope treatment tool includes a sheath, a knife, a connecting unit and a body. The sheath includes a first channel opened at a distal end of the sheath. The knife inserted into the first channel, the knife having a second channel extending from a distal end of the knife to a proximal end of the knife. The connecting unit is located inside the sheath, the connecting unit including a cavity internal to the connecting unit and defining a storage path. A cross-sectional area of the cavity is larger than a cross-sectional area of the second channel. The body disposed in the cavity. The body is translatable in the cavity between a first position and a second position. The body forms a passage and, in the first position, the passage is in communication with the second channel.

Abstract: An endoscope system includes: a drive cable; an endoscope that has a bending portion that is capable of bending and is driven by the connected drive cable; a drive device that electrically drives the connected drive cable; a trolley equipped with the drive device; a stand that connects the drive cable and the endoscope and is capable of being installed at a position away from the trolley; and an operation device that is communicably connected to the drive device and attached to the stand.

Abstract: A treatment device includes a shaft extending along a longitudinal axis and including a plurality of segments arranged along the longitudinal axis, a treatment portion at a distal-end side of the shaft, an operation portion at a proximal-end side of the shaft, and an imaging device. A first segment of the plurality of segments is at the distal-end side of a second segment of the plurality of segments and is rotatably attached to the second segment at a first pivot point. The imaging device is provided in the second segment. The first segment is rotatable about the first pivot point relative to the second segment such that a longitudinal axis of the first segment intersects a longitudinal axis of the second segment at a first angle and at least a part of the treatment portion enters a field of view of the imaging device.

Abstract: An endoscope includes an insertion portion including a distal end portion in which an image pickup unit is disposed, the insertion portion being configured to be inserted into an organ of a subject, an operation portion disposed at a proximal end of the insertion portion, and a sensor disposed in the operation portion, the sensor being configured to detect a pressure of a fluid in a flow passage passing through from the operation portion to a first opening of the distal end portion, the flow passage being configured to allow the fluid flowed into the operation portion to be flowed out from the first opening.

Abstract: An endoscope treatment tool includes: a forceps having a first forceps piece and a second forceps piece; and a joint. The second forceps piece includes a forceps cup, a first tooth, a second tooth, a third tooth, a fourth tooth. A length from a tip of the first tooth to a tip of the second tooth in a longitudinal direction defines a first length, a length from the tip of the first tooth to a tip of the third tooth in the longitudinal direction defines a second length, and the first length is shorter than the second length. A length from the tip of the first tooth to a tip of the fourth tooth in the longitudinal direction defines a third length and the second length is shorter than the third length.

Abstract: A control apparatus includes a processor, and the processor receives data logs related to operations of a plurality of controlled devices, adds, based on information on a predetermined person in charge of surgery set according to the data logs, information on the person in charge of surgery according to the plurality of controlled devices to the data logs related to the operations of the plurality of controlled devices obtained from results of communication with the plurality of controlled devices, and extracts data logs for each predetermined person in charge of surgery from the data logs and the information on the set person in charge of surgery.

Abstract: An endoscope comprising: an insertion portion; a raising base provided at a distal end of the insertion portion; a wire configured to move in a raising direction to raise the raising base; a biasing element attached to the wire and configured to apply to the wire a biasing force in the raising direction; and an operation portion coupled to a proximal end of the insertion portion, the operation portion including a switching mechanism having a first state and a second state. The switching mechanism is configured to switch between the first state and the second state. In the first state, the switching mechanism prevents the biasing force from moving the wire in the raising direction and, in the second state, the switching mechanism allows the biasing force to move the wire in the raising direction.

Abstract: An objective optical unit includes: an observation optical system including a fixed lens and a moving lens; a fixed barrel holding the fixed lens; a moving lens barrel disposed in a coil holding barrel, holding a movable group lens, and moving in a direction along a photographing optical axis of the observation optical system; a first film formed on slide surfaces of the coil holding barrel and the moving lens barrel, the first film serving as an oxidation reaction prevention layer, a second film interposed between the slide surface where the first film is formed and the first film, the second film serving as a stress reduction layer; and a voice coil motor configured to relatively move the moving lens barrel with respect to the fixed barrel in an optical axis direction by using a coil disposed at the fixed barrel and a magnet disposed at the moving lens barrel.

Abstract: An endoscope system includes: an endoscope including a bending portion that is capable of bending; a drive device that is detachably connected to the endoscope and drives the endoscope; and an operation device that is communicably connected to the drive device and has an input portion that inputs an operation for driving the endoscope, wherein the drive device can select a method of controlling the bending portion with respect to the operation input from the input portion from fine movement control and coarse movement control, and the distance at which the drive device bends the bending portion by the coarse movement control with respect to a predetermined operation input is larger than the distance at which the drive device bends the bending portion by the fine movement control.

Abstract: An endoscope system includes an endoscope, at least one monitor, a first measuring instrument configured to measure a first direction, at least one second measuring instrument configured to measure a second direction, a reception circuit configured to receive the image from the endoscope, and a processor. The first direction corresponds to a horizontal component of an imaging direction of the endoscope. The second direction corresponds to a horizontal component of a reference direction. The reference direction is a direction in which the at least one monitor faces or is a direction toward or away from an image display surface of the at least one monitor. The processor is configured to calculate an angle between the first direction and the second direction, process the image based on the angle, and display the processed image on the at least one monitor. The processing includes a rotation processing or a horizontal flip processing.

Abstract: An endoscope system includes: a drive cable; an endoscope driven by the drive cable that has been connected; a drive device that electrically drives the connected drive cable; a trolley equipped with the drive device; and a stand that supports a connector that detachably connects the drive cable and the endoscope, and is capable of being installed at a position away from the trolley.