Abstract: An inspection device includes: an acquisition unit configured to acquire dark-time image data generated in a state where the imaging element is shielded from light; a first generation unit configured to generate average added image data by adding up the dark-time image data and dividing the added-up result by number of frames; a second generation unit configured to generate difference image data in which the average added image data is subtracted from the image data; a first calculation unit configured to calculate, as a lateral streak noise index, a statistical value of the difference image data; a second calculation unit configured to calculate the lateral streak noise indices; a third calculation unit configured to calculate, as the correction value, the correlation degree having a minimum value among the lateral streak noise indices; and a recording control unit configured to record the correction value in a recording unit.
Abstract: An electronic circuit board includes: electronic components; a silicon board that is plate shaped, includes a wiring pattern provided on at least one of a surface and a reverse surface thereof, and includes recessed portions where the electronic components are individually mounted; and a supporting board that is layered over the reverse surface of the silicon board, and includes a wiring pattern provided on at least one of a surface and a reverse surface thereof. Side faces of the recessed portions are perpendicular to the surface of the silicon board, the wiring pattern is connected to at least one of the electronic components mounted in the recessed portions, via at least one of a via and a bottom surface electrode provided in of the at least one of the recessed portions, and the recessed portions penetrate through the silicon board.
Abstract: A medical instrument for endoscopic surgery, including a sheath tube having a distal and a proximal end and a connecting body arranged at the sheath tube's proximal end area, whereby the sheath tube and connecting body are penetrated in axial direction by a common channel, through which an elongated actuating element passes, an end body connectable to connecting body having a hand grip attached for operating the medical instrument, a locking slider, which is slidably housed in a channel oriented at an angle to the channel within connecting body, whereby the actuation area of locking slider projects from connecting body and can be actuated to locked and free positions using finger pressure, such that the end body coupled to connecting body is positively locked to connecting body in the locked position, and the end body in the free position can be detached from connecting body.
Abstract: In a measurement device, a controller causes an imaging unit to generate a plurality of first pictures based on a first image and a plurality of second pictures based on a second image. The controller determines whether or not there is blurring on the basis of at least two of the plurality of first pictures. The controller determines whether or not there is blurring on the basis of at least two of the plurality of second pictures. The controller causes a measurement unit to perform measurement when the controller determines that there is no blurring in first picture blurring determination and second picture blurring determination.
Abstract: A suture device including: an elongated shaft member; a pair of gripping members; and a passing mechanism that transfers a suture needle between the gripping members, wherein the passing mechanism is provided with fitting holes provided in the individual gripping members and to which the suture needle is fitted, holding members that are inserted into recessed portions in outer circumferential surface of the suture needle by being pulled toward the proximal end sides thereof in directions that intersect axes of the individual fitting holes, a swing member that is provided so as to be swingable about an axis that is orthogonal to the longitudinal axis, a pair of tensile-force transmitting members that transmit tensile forces that cause the swing member to be swung, axial-force transmitting members that transmit axial forces associated with swinging of the swing member, and hold-state maintaining mechanism that maintains the holding members in the recessed portions.
Abstract: An image analysis apparatus includes a processor including hardware. The processor extracts parts from each of a first image and a second image acquired after the first image, each of the extracted parts including an annular peripheral portion and a central portion having a color different from a color of the peripheral portion. The processor also sets the central portion as the analysis object region and calculates a brightness decrease degree of the analysis object region in the second image relative to the analysis object region in the first image.
Abstract: A signal processing system includes: a transmission channel; a common-mode signal transmitting circuit configured to output an uplink signal to the transmission channel in a common mode; a common-mode signal detecting circuit configured to detect a common-mode signal from the uplink signal transmitted by the transmission channel; a downlink reference clock signal generating circuit configured to generate a downlink reference clock signal at a second frequency with reference to the first clock edge of the common-mode signal detected by the common-mode signal detecting circuit; a downlink data generating circuit configured to generate downlink data; a differential signal transmitting circuit configured to output, as a downlink signal, the downlink data generated by the downlink data generating circuit to the transmission channel in a differential mode; and a differential signal receiving circuit configured to extract a differential signal from the downlink signal.
Abstract: A suture device including: an elongated shaft member extending along a longitudinal axis; a pair of gripping members provided at a distal end of the elongated shaft member in a pivotable manner about a pivot orthogonal to the longitudinal axis so as to be opened and closed relative to each other; and a passing mechanism which passes a suture needle between the gripping members, in which the gripping members include: fitting hole portions which are formed along an opening-closing direction of the gripping members, and to which the suture needle is detachably fitted; and contact portions which are brought into contact with front and back surfaces of a suture object in a course of a closing action of the gripping members so as to suppress a movement of the suture object along the front surface of the suture object.
Abstract: An endoscope system includes: a first processor configured to perform first image processing on a set of image data; a second processor configured to perform second image processing on another set of image data; a third processor configured to generate, based on sets of image data output from the first and second processors, display image data; a recorder configured to record therein image data based on the sets of image data output from the first and second processors; a fourth processor configured to generate a first synchronization signal for synchronization among the first processor, the second processor, and the third processor; a fifth processor configured to generate a second synchronization signal for synchronization between the third processor and the recorder; and a controller configured to select one of the first and second synchronization signals, and perform control for synchronization between the third processor and the recorder.
May 2, 2019
Date of Patent:
August 4, 2020
Koji Kojima, Hideyuki Kugimiya, Ryo Koshida
Abstract: An optical unit includes: a fixing part including a front frame portion, a rear frame portion, and a fixing part main body; a movable part arranged slidably relative to the fixing part main body; and a voice coil motor including a magnetic portion, and a coil arranged at the fixing part main body and positioned on a radially outer side of the fixing part main body with respect to the magnetic portion, the voice coil motor being capable of moving the movable part relative to the fixing part main body along a direction of the optical axis. A maximum dimension of the fixing part main body in a first direction parallel to a magnetization direction of the magnetic portion is greater than a maximum dimension of the fixing part main body in a second direction perpendicular to the first direction and the direction of the optical axis.
Abstract: An endoscope light source device includes a light source to emit light, and a speckle reduction member to scatter the light. The reduction member has a surface including thickness variation to provide the light with an optical path difference. The device also includes a drive to move the reduction member, and a lens to condense the light passed through the reduction member onto a light guide of an endoscope. The surface of the reduction member has inclination of an average inclination angle. The average inclination angle is determined so that a light quantity loss rate of the entering light into the light guide by scattering of the reduction member and refraction of the lens has a positive value equal to or smaller than an effective allowable loss rate.
Abstract: A method for reprocessing a surgical instrument in a reprocessing apparatus, where the surgical instrument has at least one channel to be cleaned. The method including: connecting the surgical instrument to a compressed air hose for supplying compressed air to the at least one channel; supplying drying air to the compressed air hose to leak test the surgical instrument using the drying air, the drying air having less moisture content than the compressed air; and subsequent to the supplying of the drying air, reprocessing the surgical instrument using at least one cleaning liquid.
February 28, 2019
Date of Patent:
August 4, 2020
OLYMPUS WINTER & IBE GMBH
Henning Thate, Michael Lengsfeld, Eugen Frick
Abstract: A holding mechanism includes a first guide portion which contacts and guides part of a guide member in a state where the guide member exposed from an insertion opening portion of the insertion device is bent, and a second guide portion which permits passage of the part of the guide member which has been guided by the first guide portion. The holding mechanism also includes a regulating/fixing portion which is arranged parallel to a flat face where an insertion opening portion is provided, which is continuous with the second guide portion, and which positions and fixes the part such that the guide member including the part having passed the second guide portion maintains a bent state with respect to the insertion opening portion.
Abstract: A wearable device includes a first contact element, a second contact element, a headband that couples the first contact element and the second contact element to each other and presses the first contact element and the second contact element toward temporal regions, a first coupling element that couples the first contact element and the headband to each other, and a second coupling element that couples the second contact element and the headband to each other. Each of the first contact element and the second contact element includes an elastic member having a longitudinal direction extending along a forward and backward direction of the head in a state where the wearable device is worn on the head of the wearer. The elastic member is curved to conform to the curved shape of the temporal regions in the forward and backward direction.
Abstract: An endoscope image processing device includes a processor including hardware programmed to: enlarge or reduce multiple color component images constituting a normal light image, and a narrow-band light image; generate a blended image by synthesizing one of the enlarged or reduced color component images and the enlarged or reduced narrow-band light image; and generate a color superimposed image by synthesizing the blended image and the other enlarged or reduced color component images. The processor is programmed to replace some of pixels of the one color component image with corresponding pixels of the narrow-band light image such that distribution of pixels of the one color component image and pixels of the narrow-band light image is substantially uniform over the blended image.
Abstract: A bend information computation apparatus is to compute bend information representing a direction and a magnitude of bend of a target group including targets disposed at an identical position along a light guide. Each target modulates the intensity of guided light in accordance with the direction and magnitude of bend.
November 1, 2017
Date of Patent:
August 4, 2020
Ken Sato, Yasuo Sasaki, Hiromasa Fujita
Abstract: An image processing device includes a computer that is configured to: perform order-statistic filter processing on pixel values of individual pixels in a block including a pixel of interest and peripheral pixels in an acquired image; calculate a difference value between the pixel values of the pixel of interest before and after the order-statistic filter processing is performed; calculate a statistical variation of the pixel values of the peripheral pixels subjected to the order-statistic filter processing; and determine the pixel of interest as being a defective pixel in the case where a value obtained by dividing the difference value by the statistical variation is greater than or equal to a predetermined threshold.
Abstract: An image processing device includes a processor configured to: extract pixel blocks; detect pixels having a maximum value and a minimum value in each of the pixel blocks; calculate reference value candidates from the maximum and the minimum values; calculate an absolute difference value relative to each of the maximum value, the minimum value, and the reference value candidates; divide each of the pixel blocks into subblocks; select, as a reference value from among the reference value candidates in each of the subblocks, a reference value candidate close to the pixel values in which the pixels included in each of the subblocks are distributed; extract a closest difference value, the minimum value, and the reference value; quantize each of the closest difference values into a quantization value by using the difference value that is the largest from among the closest difference values; and code the quantization value.
Abstract: A data processing apparatus includes a data output section configured to output serial data associated with video information through one or more lanes and a data processing section configured to process the serial data by supplying power from a power supply section to a receiving section configured to receive the serial data. The data processing section turns off the power supply to the receiving section while maintaining an output state of the data output section for a known ineffective period, turns on the power supply to the receiving section prior to the start of an effective period, then detects starting information based on a predetermined code included in the serial data and establishes a receiving operation of the receiving section.
Abstract: An image processing apparatus is configured to acquire a first image group and a second image group and execute image processing on the first and second image groups. The image processing apparatus includes: a processor comprising hardware, wherein the processor is configured to: compare the number of images of interest in the first image group, with the number of images of interest in the second image group; and determine, based on a result of the comparison, priority of processing on the first image group and processing on the second image group.
Abstract: An optical sensor that detects intensity of light is disposed, inside an optical case, at a position that allows the optical sensor to receive light other than light received by a lens system, out of light emitted by an LED. The optical sensor is housed in a dedicated photometric case. The photometric case is provided with a light guide portion that includes a transmission part and a shielding part. The transmission part is disposed in an optical path of light that directly travels from the LED to the optical sensor and allows transmission of the light. The shielding part blocks indirect light that is reflected or scattered inside the optical case, from entering the optical sensor. Accordingly, it is possible to accurately detect only the light in the direct optical path from the LED.
Abstract: A direct memory access (DMA) buffer section configured to store data in a plurality of storage regions in units of DMA transfers, a buffer control section configured to output a first writing permission signal for permitting the DMA transfer on the basis of presence or absence of a free storage region, a smoothing buffer control section configured to output a second writing permission signal for permitting the DMA transfer within a predetermined period, a buffer writing control section configured to execute the DMA transfer according to the first writing permission signal and the DMA transfer according to the second writing permission signal and stored the data to the free storage region, and a buffer reading control section configured to sequentially read the data for each storage region, wherein a predetermined amount of data sequentially acquired by a plurality of DMA transfers is output as a transfer unit.
Abstract: A disclosed microscopy method includes: setting a first capturing condition for previous capturing to generate a previous image for generating a primary image based on a subject, the previous capturing being sweep capturing that is capturing while changing a focal plane position with respect to the subject, such that brightness saturation does not occur in the previous image; causing an imaging apparatus to capture the previous image in accordance with the first capturing condition for the previous capturing set at the setting; setting a second capturing condition for primary capturing to generate the primary image on the basis of the previous image captured through the previous capturing by the imaging apparatus, the primary capturing being the sweep capturing; and causing the imaging apparatus to capture the primary image in accordance with the second capturing condition that has been set in the setting the second capturing condition.
Abstract: An endoscope system includes: an image pickup device configured to output a digital signal; an EEPROM in which predetermined information concerning an endoscope is recorded; a signal control portion capable of selectively converting data of one of the digital signal outputted from the image pickup device and the predetermined information of the EEPROM to serial data and outputting the serial data; an electro-optical conversion portion configured to convert the data outputted from the signal control portion to an optical signal and output the optical signal; a universal cable; and a data switching portion switched to transfer the predetermined information from the EEPROM by the signal control portion and then transfer the digital signal by the signal control portion. The signal control portion decides through which of a metal transmitting member and an optical transmitting member the predetermined information is transmitted, based on a data amount of the predetermined information.
Abstract: A lens driving apparatus comprising: a stepping motor for driving a lens; a rotation detection sensor for detecting a rotation position of the stepping motor; and a controller which is capable of switching between open-loop control that performs position instruction in accordance with a predetermined pattern and closed-loop control that performs position instruction on the basis of follow-up delay, changes and accelerates the velocity for advancing the position of the stepping motor on the basis of a fixed velocity pattern by open-loop control when the lens starts moving, and transitions to the closed-loop control upon the velocity corresponding to the velocity pattern reaching a predetermined value.
Abstract: A microscopy system includes: an imaging unit configured to capture a subject image generated by an observation optical system of a microscope, and acquire an image; a shifting unit configured to shift positions of a focal plane and a field of view of the observation optical system; an imaging control unit configured to cause the imaging unit to acquire a multi-focused image by shifting the positions of the focal plane and the field of view in one exposure period of the imaging unit; a shift amount acquisition processing unit configured to acquire a shift amount, by which the position of the field of view is shifted; an all-focused image generating unit configured to respectively generate plural all-focused images based on plural multi-focused images and on blurring information; and a display unit configured to consecutively display the generated plural all-focused images.
Abstract: An imaging device includes an imaging unit, a sensor, and a controller. The imaging unit sequentially outputs a digital image by capturing a subject. The sensor includes a photoelectric element for receiving a part of luminous flux from the subject incident on the imaging unit. The sensor detects an AC current component of the luminous flux from the luminous flux received by the photoelectric element. The controller detects a flicker cycle in the luminous flux from the AC current component.
Abstract: A suture body includes: a suture thread having a first end and a second end and fixed to a living tissue; a suture needle connected to the first end; and a thread fixing member connected to the second end. The thread fixing member includes: a rod-shaped protruding portion; and an elastic member having an outer circumferential surface and arranged so that the thread fixing member is in contact with the outer circumferential surface at a predetermined contact pressure. The suture body is configured so that the suture thread can enter between the protruding portion and the elastic member by elastically deforming the elastic member. The suture body further includes a base body to which the protruding portion and the elastic member are fixed. The protruding portion and the elastic member are arranged in an area surrounded by an outer diameter of the base body.
Abstract: Provided is a specimen staining apparatus that includes a gap-forming member arranged to form a gap having a thickness that induces capillary action, the gap being formed above a mounting surface of a slide glass having a specimen mounted thereon; and a chemical solution supply unit that supplies a chemical solution for staining the specimen to the gap between the gap-forming member and the mounting surface so that the chemical solution spreads within the gap due to capillary action and is evenly supplied to the specimen placed on the mounting surface.
Abstract: An illumination optical system according to the present invention is provided with: an illumination-light guiding portion configured to guide illumination light emitted from a light source portion; and an illumination-light deflecting portion configured to emit the illumination light guided thereto by the illumination-light guiding portion after deflecting the illumination light by means of reflection, wherein, in one cross-section along a direction in which the illumination light travels, the illumination-light guiding portion has a pair of total reflection surfaces in which the distance therebetween gradually increases in a forward traveling direction of the illumination light, and the illumination-light deflecting portion is provided with an emission surface from which the illumination light guided by the illumination-light guiding portion is emitted, and a reflection surface that has a convex shape facing the emission surface and that reflects the illumination light guided by the illumination-light guidin
Abstract: An image processing apparatus includes at least one processor configured to execute processes including: calculating a misalignment amount of each pixel of a reference image relative to a standard image; and combining the reference image converted based on the calculated amount with the standard image. The calculating includes: calculating a projection conversion matrix for each of planes with different misalignment amounts in the reference image; generating a plane map in which the plane to which each pixel of the reference image belongs and the matrix to be applied to each plane are selected based on a difference value between the standard image and each of the alignment images converted from the reference image by using each calculated matrix; suppressing a selection error of the matrix; and calculating the misalignment amount for each of the planes based on the plane map in which the selection error of the matrix is suppressed.
Abstract: A method for reprocessing an endoscope for the implementation of leak testing the endoscope, the method including: connecting the endoscope in an airtight manner to a compressed air hose, which is operatively connected to a compressed air source; subjecting the endoscope to compressed air up to a predetermined pressure level via the compressed air hose; during the pneumatic leak measurement and after opening of an outlet valve, measuring a temporal course of air pressure in the endoscope without any further compressed air supply; measuring a temporal change of the air pressure at the outlet valve; and determining one of a tightness of the endoscope or a leakage of the endoscope based on a temporal gradient of the temporal change of the air pressure.
Abstract: A focusing method includes a step of preparing a microscope, a step of mounting a sample, and a predetermined processing step, the predetermined processing step includes a step of receiving light emitted from the observation optical system, a step of obtaining the quantity of light based on light from a predetermined region of the received light, a step of calculating a difference or a ratio between the quantity of light in the predetermined region and the quantity of light as a reference, a step of comparing a calculation result with a threshold, and a step of changing the distance between the sample and the observation optical system, and in the step of preparing, a partial region of illumination light is shielded or darkened, and when the result of the calculation is equal to or smaller than the threshold, the predetermined processing step is terminated.
Abstract: An embedded system includes: a first storage portion in which a boot program in a basic program stored in a flash memory is developed and stored; a second storage portion in which the basic program is developed and stored according to the boot program developed in the first storage portion; a first error correction circuit configured to perform error correction when reading the boot program; a third storage portion in which information based on an error correction result of the error correction circuit is stored; and a control portion configured to determine propriety of refresh processing on the boot program based on the information based on the error correction result stored in the third storage portion.
Abstract: Systems and methods for performing depth estimation may comprise: an illuminator capable of illuminating a scene from at least a first position and a second position, an image sensor to capture (i) a first image of the scene while the illuminator illuminates the scene from the first position and (ii) a second image of the scene while the illuminator illuminates the scene from the second position, and an image processor to receive the first and second images from the image sensor and estimate a depth of at least one feature that appears in the first and second images. The depth is estimated based on the relative intensity of the first image and the second image, a distance between the first illumination position and the second illumination position, and a position of the at least one feature within at least one of the first and second images.
August 26, 2016
Date of Patent:
July 7, 2020
OLYMPUS CORPORATION, THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
Steven Paul Lansel, Brian A. Wandell, Andy Lai Lin
Abstract: The disclosed technology is directed to a light detecting apparatus used in an image acquiring apparatus. The image acquiring apparatus comprises a light receiving element that outputs a current according to a light amount of incident light. A current-voltage conversion circuit converts the current output from the light receiving element to a voltage signal. The current-voltage conversion circuit includes an operational amplifier and feedback resistance, feedback capacitance, and at least one diode that are connected in parallel between an inverting terminal and an output terminal of the operational amplifier. The diode is connected to have a forward direction from the inverting terminal toward the output terminal, and following conditional expressions are satisfied, G=Rf B=1/(2?Rf(Cf+Cd/n)) and Vpr>n×Vf>G×Imax.
Abstract: An image processing device includes a processor including hardware. The processor is configured to: acquire an image data including an annular side observation image and a direct view observation image forming a circle formed from a center of the side observation image to an inner circle; in a case of normal observation in which electronic zooming processing is not performed, generate a first display image including a boundary portion between the side observation image and the direct view observation image in a display area; and in a case of magnified observation in which the electronic zooming processing is performed, generate a second display image in which a boundary portion between the side observation image and the direct view observation image is shielded by a mask.
Abstract: The treatment section integrally includes, on the distal side of a probe, a cortical bone abrasion portion which abrades a living body tissue or a bone among treated target parts by mechanical abrasion by ultrasonic vibration, and a cartilage abrasion portion which generates heat by ultrasonic vibration and abrades a cartilage among the treated target parts by dissolutive abrasion.
Abstract: A sensor information acquiring device includes a sensor and a control section configured to determine that a position of a target object does not change even if a relative relation between the sensor and the target object changes and control an information acquisition direction of the sensor on the basis of information concerning displacement of a displacement section to which the sensor is attached. Even when a position, a direction, and the like of the sensor are changed by influence of work and the like, the sensor information acquiring device can always acquire effective sensor information concerning a desired target object.
December 22, 2017
Date of Patent:
July 7, 2020
Hiroaki Miura, Kenta Yumoto, Ko Kimura, Osamu Nonaka
Abstract: A flexible tube insertion apparatus includes an insertion section inserted into a tube and a detection unit that detects states of the insertion section. The flexible tube insertion apparatus includes one or more vibrators that are arranged in the insertion section, generate vibration, and vibrate the insertion section by the generated vibration and a controller that calculates a magnitude of an external force applied to the insertion section from the tube based on the states of the insertion section detected by the detection unit, computes a resonance frequency of the vibration relative to the magnitude of the external force, and controls the vibrators in such a manner that the vibrators vibrate at the resonance frequency.
Abstract: An endoscope system includes: an insertion part having a bending part; an observation unit; an operation unit configured to operate the bending part; a driving mechanism configured to generate a driving force used to drive the bending part; a control unit configured to control the driving mechanism; and a display unit configured to display a visual field image acquired by the observation unit, wherein the control unit has a normal mode and a lock-on mode as control modes, and the control unit is configured to stop an automatic driving of the bending part temporarily and allow the operation unit to perform a resetting of an interested position when an output from the operation unit exceeds a predetermined threshold value, and resume the automatic driving on the basis of the updated interested position when an output from the operation unit satisfies a predetermined termination condition during the lock-on mode.
Abstract: A solid-state imaging device has a pixel sharing unit, and the pixel sharing unit includes a plurality of pixel units each including a plurality of photodiodes, floating diffusions, and a plurality of read transistors, a reset transistor and an amplification transistor shared by the plurality of pixel units, a plurality of read wirings, a connection wiring that connects the floating diffusions to each other. In the pixel sharing unit, the connection wiring and each of the plurality of read wirings are disposed to have overlapping areas in a plan view, and the connection wiring and the plurality of read wirings are disposed such that parasitic capacitors generated in the plurality of overlapping areas are approximately equal to one another.
Abstract: A sample shape measuring method includes a step of preparing illumination light passing through a predetermined illumination region, a step of applying the illumination light to a sample, and a predetermined processing step. The predetermined illumination region is set so as to include an optical axis at a pupil position of an illumination optical system. Light transmitted through the sample is incident on the observation optical system. The predetermined processing step includes a step of receiving light emerged from the observation optical system, a step of obtaining a quantity of light of the received light, a step of calculating a difference or a ratio between the quantity of light and a reference quantity of light, and a step of calculating an amount of tilt in a surface of the sample from the difference or the ratio.
Abstract: A medical equipment system includes an image pickup information storage unit configured to store images and image pickup position information by associating the images and the image pickup position information with each other; a unit configured to calculate an image pickup position in 3D information on a luminal organ during image acquisition; a control unit configured to calculate a current image pickup position or image pickup area of the image pickup system in the 3D information; and an image processing unit configured to acquire images at image pickup positions overlapping the current image pickup position or image pickup area from storage results of the image pickup information storage unit and arrange the images based on a predetermined criterion on a region by region basis.
Abstract: A grasping treatment instrument includes a grasping piece, and a supporting member opening and closing relative to the grasping piece. A clamp member is provided between the supporting member and the grasping piece in open and close directions of the supporting member, and the clamp member includes an opposed surface opposed to the grasping piece, and a back surface facing to an opposite side of the opposed surface. The grasping treatment instrument includes a cover member made of a material having lower thermal conductivity than the clamp member, and the cover member covers the clamp member from the back surface side in a part on a distal side with respect to a position where the clamp member is pivotally supported.
Abstract: An endoscope reprocessor includes: a concentration measurement chamber; a liquid concentrate supply unit; a diluent supply unit; a holding unit configured to hold a concentration sensor; a memory; and a processor configured to produce information on a temporary standard curve based on a first point at which a first concentration is associated with a sensor output value at measurement of concentration of liquid concentrate and a second point at which a second concentration is associated with a sensor output value at measurement of concentration of a practical use solution after dilution, calculate a deviation degree between a standard curve and the temporary standard curve, and determine whether the temporary standard curve is valid from the deviation degree.
Abstract: An operation method of an electric power source device for operating a high-frequency treatment instrument configured to perform a high-frequency treatment on a biological tissue includes causing a high-frequency electric power source circuit to output electric power; acquiring an initial impedance value in a first period from a start of the output; determining an increase rate of an output voltage relative to time; increasing the output voltage of the high-frequency electric power source circuit in accordance with the increase rate in a second period; acquiring the value relating to impedance of the biological tissue in the second period; and terminating the second period after the value relating to the impedance reaches a minimum value.
Abstract: A solid-state imaging device includes a first semiconductor substrate in which first photoelectric conversion layers photoelectrically converting incident light in a first wavelength band are formed, a second semiconductor substrate in which second photoelectric conversion layers photoelectrically converting incident light are formed, a conductive layer disposed between the first semiconductor substrate and the second semiconductor substrate and having conductivity, an insulation film disposed between the second semiconductor substrate and the conductive layer and having an insulation property, in which light passing through the first photoelectric conversion layer, the conductive layer, and the insulation film is incident on the second semiconductor substrate, a predetermined voltage is applied to the conductive layer, and a wavelength of light in a second wavelength band photoelectrically converted by the second photoelectric conversion layer when the predetermined voltage is applied to the conductive layer
Abstract: An endoscope includes an optical transmission module configured to convert each of the image pickup signal and the test signal into an optical signal and output the optical signal, and a signal amplitude measuring section configured to add signal amplitude information to the image pickup signal and the test signal, and a video processor includes an optical reception module configured to receive the optical signals and convert each of the optical signals into an electric signal and output the electric signal, an information acquiring section configured to acquire transmission information on each of the optical signals, the transmission information including the signal amplitude information, a determination section configured to determine a state of transmission of the optical signal, and a power supply adjusting section configured to adjust the applied voltage for the optical transmission module according to a result of the determination and output the applied voltage.
Abstract: The ultrasonic treatment instrument for articulations according to the embodiment of the present invention includes, at the distal end of the probe, the treatment section which performs a desired treatment on the treated target part. The treatment portion is provided with an edge which extends in a direction crossing, or a direction parallel to, the longitudinal direction of the probe; a first ultrasonic transducer which generates ultrasonic vibration in a direction crossing the edge; and a second ultrasonic transducer which generates ultrasonic vibration in a direction parallel, to the edge.