Abstract: A control device includes: an acquisition unit configured to acquire first and second image signals generated by an imaging device having an autofocus function by capturing an observation target irradiated with first light and second light having different wavelength bands, respectively; a signal processor configured to detect detection information of the first and second image signals; and a controller configured to calculate a first focal length based on the detection information of the first image signal, calculate a second focal length based on the detection information of the second image signal, and set a focal length of the imaging device to capture the observation target irradiated with the second light to either the first or second focal length at least based on the detection information of the second image signal.

Abstract: An endoscope image-capturing device includes: a first case inside of which is sealed; an image sensor arranged inside the first case; an electro-optic conversion element arranged outside the first case and configured to convert an image signal output from the image sensor into an optical signal; and a sealing member sealing the electro-optic conversion element.

Abstract: A medical control device includes: an imaging controller configured to control an imaging device to cause the imaging device to capture normal light emitted from a light source and received by way of an observation target in a first period to generate a first captured image, and to capture excitation light emitted from the light source and received by way of the observation target and fluorescence light from the observation target excited by the excitation light in a second period to generate a second captured image; and image processing circuitry configured to: perform an adjustment process to reduce a component of a color corresponding to the excitation light included in the second captured image; and generate a superimposed image by superimposing the first captured image and the second captured image subjected to the adjustment process.

Abstract: A medical observation system, a control method, and a program are provided, which are capable of easily reducing the possibility that illumination light directly enters an eye by accident. A medical observation system 1 includes: an imaging unit 21 that captures an object and generates an image signal; a light output unit 22 that outputs illumination light in a capturing direction of the imaging unit 21; a determining unit 942 that determines the usage state of the imaging unit 21; and an illumination controller 944 that controls illumination light emitted by the light output unit 22 based on a determination result of the determining unit 942.

Abstract: A medical holding device includes: an arm configured by coupling a plurality of links to each other by joints, the arm having at least seven or more degrees of freedom by rotational operations on rotation axes, and being configured to support a medical instrument; and an arm controller configured to control an operation of the arm. The arm has six degrees of freedom realized by rotational operations of six passive rotation axes that passively rotate and one or more degrees of freedom realized by rotational operations of one or more active rotation axes that actively rotate, and the arm controller is configured to rotate the active rotation axis so as to avoid a predetermined state of a posture of the arm.

Abstract: A medical observation control device and system include a memory that stores a parameter for a first imaging condition of an imager at a first time of capturing a first medical image and circuitry configured to correct for brightness differences between the first medical image captured at the first time and a second medical image captured at a second time. The circuitry is configured to restore the parameter for the first imaging condition as a second imaging condition for capturing the second medical image, control the imager so as to capture an image of an observation object under the second imaging condition as the second medical image, compare the first medical image with the second medical image, and correct brightness of at least one of brightness of the first medical image and brightness of the second medical image based on a comparison result.

Abstract: A camera head includes a mounting unit detachably connected to an eyepiece unit of an endoscope, the camera head capturing an object image emitted from the eyepiece unit. The eyepiece unit includes an abutting surface that is orthogonal to a central axis along an insertion direction of the endoscope into a subject, and the abutting surface extending over an entire circumference in a circumferential direction around the central axis. The mounting unit is connected to the eyepiece unit and is configured to relatively rotate the endoscope and the camera head around the central axis. The mounting unit includes a facing surface that faces the abutting surface, and a pressing portion that abuts the eyepiece unit and presses the eyepiece unit toward the facing surface along the central axis. The facing surface includes a projecting portion that projects toward the abutting surface and abuts the abutting surface.

Abstract: A charging device includes: a holder detachably connected to a connector of a camera head to which an endoscope is detachably connected; and a power supplier configured to supply power to a battery of the camera head held by the holder.

Abstract: A medical observation apparatus includes: an imaging device configured to capture an observation target to obtain a captured right eye medical image and a captured left eye medical image; and circuitry configured to: acquire positions of at least two points in the observation target, the positions being determined based on predetermined operation on the observation target; and cause the captured right eye medical image, the captured left eye medical image, and an annotation image, to be displayed on a display screen of a display device, the annotation image indicating a distance between two points at the acquired positions.

Abstract: A learning device 3 includes: a training image acquisition unit 321 that acquires training images in which a first training image acquired by capturing light from a subject irradiated with light in a first wavelength band and a second training image acquired by capturing light from the subject irradiated with light in a second wavelength band different from the first wavelength band are paired; a singular area specification unit 322 that specifies a singular area in the second training image; a first feature data extraction unit 323 that extracts feature data of a singular-corresponding area at a pixel position corresponding to the singular area in the first training image; and a singular-corresponding area learning unit 324 that generates a learning model by performing machine learning on the singular-corresponding area based on the feature data.

Abstract: A medical image processing apparatus includes: a first captured image acquisition unit configured to acquire a first captured image obtained by capturing light from an observation target irradiated with light in a first wavelength band, the observation target emitting fluorescence when irradiated with excitation light in a second wavelength band different from the first wavelength band; a second captured image acquisition unit configured to acquire a second captured image obtained by capturing the fluorescence from the observation target irradiated with the excitation light; a first image processor configured to execute image processing on the first captured image; and a second image processor configured to execute image processing including blurring processing of blurring an image on the second captured image.

Abstract: A medical image processing device of the present disclosure includes: a division unit configured to divide at least one subject image in an image; a detection unit configured to detect a blur of the subject image divided by the division unit; a correction unit configured to correct the blur of the subject image based on the subject image divided by the division unit and the blur detected by the detection unit; and a combining unit configured to combine the subject image after correction and a background image formed by a region other than the subject image.

Abstract: A medical projection apparatus includes: a plurality of projectors each configured to project projection light onto an observation area of an observation optical system, wherein at least two or more projectors of the plurality of projectors are configured to respectively emit projection light to different planes including an optical axis of the observation optical system, and the projection light emitted by the two or more projectors cross each other in any position within a range of at least a possible working distance of the observation optical system.

Abstract: A mounting member includes: a body portion provided in a camera head including an image sensor, the body portion being rotatable about a first axis that passes through the body portion and connectable with an endoscope; a locking protrusion provided in the body portion and configured to lock with the endoscope; a detachable button configured to be movable with respect to the body portion and control attachment and detachment of the endoscope to and from the body portion; and a spring whose load applied to the locking protrusion changes according to an advancing/retreating operation of the detachable button with respect to the body portion. The detachable button includes a sliding portion extending in an advancing/retreating direction with respect to the body portion and configured to slide with respect to the body portion. The body portion includes a guide portion configured to guide a moving direction of the sliding portion.

Abstract: An endoscope image-capturing device includes: a first case inside of which is sealed; an image sensor arranged inside the first case; an electro-optic conversion element arranged outside the first case and configured to convert an image signal output from the image sensor into an optical signal; and a sealing member sealing the electro-optic conversion element.

Abstract: A medical signal processing apparatus processes image signals input from an imaging device. The image signals corresponds to a result of examining a subject, and the imaging device sequentially outputs the image signals from multiple pixels arrayed in a matrix according to a raster to the medical signal processing apparatus. The medical image signal processing apparatus includes: a signal divider configured to divide the image signals according to the raster sequentially output from the imaging device into first divided image signals each according to a pixel group consisting of multiple pixels arrayed in connected multiple columns; and a plurality of pre-processors configured to process, in parallel, sets of pixel information of the multiple first divided image signals divided by the signal divider.

Abstract: A light source device includes: light sources; a detector configured to detect light amounts; and a processor configured to: control the light sources to emit light beams by applying a pulse current with a pulse width larger than a predetermined pulse width to the light sources before the processor makes a shift to a strobe observation mode; set a pulse current value at which a ratio of the light amounts of the light beams emitted by the plurality of light sources becomes a predetermined ratio for the plurality of light sources based on a detection result detected by the detector under a state where the pulse current with the pulse width larger than the predetermined pulse width is applied to the plurality of light sources; and make the shift to the strobe observation mode while maintaining the pulse current value for realizing the predetermined ratio.

Abstract: A medical observation apparatus includes: a camera configured to capture an object image of an observation target; a support configured to support the camera so as to be rotatable about a plurality of mutually-different shafts; a memory configured to store the position of the camera; a brake configured to switch between: a permission state for permitting the camera to rotate about at least one of the plurality of shafts; and a restriction state for restricting the rotation; and a controller configured to perform a reproduction process for switching the brake to the permission state, and thereafter switching the brake from the permission state to the restriction state when the support is operated according to an external force applied to the support by an operator and the camera is located at the position of the camera stored in the memory.

Abstract: Provided is a medical observation system capable of preventing disconnection of metal cables without increasing the thickness of a braided shield wire. The medical observation system includes a transmission cable including: an optical cable having one or more optical fiber cores; a plurality of metal cables arranged around the optical cable; and a tension member made of a high-strength fiber, and disposed in parallel with an extending direction of the optical cable.

Abstract: Provided are a medical observation system, a control device, and a control method that are configured to prevent flickering of a portion to be observed of an object to be observed and reduce the size of the device. The medical observation system 1 includes an image sensor 212, a second control unit 94 that causes a light source device 3 to simultaneously emit second visible light and excitation light, and an image processing unit 91 that generates a fluorescence image based on a first pixel value that is output from a pixel in which a first filter is arranged and that is contained in image data and a background image based on a second pixel value that is output from a pixel in which a second filter is arranged.