Abstract: A robot arm apparatus according to the present disclosure includes: one or a plurality of a joint unit that joins a plurality of links constituting a multi-link structure; an acquisition unit that acquires an on-screen enlargement factor of a subject imaged by an imaging unit attached to the multi-link structure; and a driving control unit that controls driving of the joint unit based on a state of the joint unit and the enlargement factor.

Abstract: A medical observation device includes: an imaging device; a support unit that supports the image-capturing unit and includes arms and joints rotatably connecting the arms; a motor that applies power to at least one of the joints, and rotates two of the arms connected at the joint relative to each other; a gear mechanism that includes two intermeshing gears and is disposed in a power transmission path from the motor to the at least one joint; an operation receiver that receives a user operation; and a controller that performs first control for causing the motor to rotate in accordance with the user operation received by the operation receiver and performs second control after the first control is completed and rotation of the motor is stopped.

Abstract: A medical observation apparatus includes: a microscope; a support that movably supports the microscope, and includes plural arm portions and plural joint portions each of which connects two of the arm portions and rotatably holds one of the arm portions around a predetermined shaft portion with respect to the other of the arm portions; and one or plural cables inserted into an interior of the support. The shaft portion has a cylindrical shape into which the one or the plural cables can be inserted. A joint portion, of the plural joint portions, that connects two arm portions in which extending directions are orthogonal to each other includes a rotating portion rotatable according to rotational power of the shaft portion, and a restraining portion positioned where a central axis thereof is offset from a central axis and that is capable of restraining rotation of the rotating portion.

Abstract: An endoscope apparatus includes: an imaging apparatus that includes an imaging element configured to capture a subject image of inside of a subject, the imaging apparatus outputting an image signal obtained by capturing the subject image by the imaging element; a control apparatus configured to process the image signal to generate a video signal for display; and a signal transmission path configured to transmit the image signal from the imaging apparatus to the control apparatus. The imaging apparatus outputs, as the image signal, pixel signals of respective pixels in a specified pixel area out of a whole pixel area of the imaging element, the specified pixel area being smaller than the whole pixel area and containing the entire subject image.

Abstract: A control device includes a processor configured to: perform movie display control of causing a display to sequentially display images acquired in time series, and still image display control of causing the display to display any of the images as a still image; detect a first operation on a switch; determine whether a predetermined operation condition for the switch is satisfied, after the first operation has been detected; switch, when the first operation is detected while the movie display control is being executed, from the movie display control to the still image display control and causing the display to display, as a still image, an image displayed at a timing at which the first operation is detected; and cause, when the processor determines that the predetermined operation condition is satisfied, a memory to store the image displayed as a still image under the still image display control.

Abstract: A medical observation apparatus includes: an image sensor configured to image an observation target and generate a medical captured image by sequential reading; and a controller configured to control lighting of light sources configured to irradiate light to the observation target. The controller is configured to perform a first control including a control of lighting a light source configured to irradiate white light, and a second control including a control of lighting a light source configured to irradiate excitation light, and the first control is performed in a period that spans over a boundary of successive frames.

Abstract: [Object] To provide a medical observation apparatus and a medical observation system that can ensure the user's visual field and have good manipulability.

Abstract: A medical observation apparatus includes a columnar microscope unit configured to image a minute part of an object to be observed with magnification and thereby output an imaging signal. A support unit includes a first joint unit holding the microscope unit in a rotationally movable manner around a first axis parallel to a height direction of the microscope unit, a first arm unit holding the first joint unit and extending in a direction different from the height direction of the microscope unit, a second joint unit holding the first arm unit in a rotationally movable manner around a second axis orthogonal to the first axis, and a second arm unit holding the second joint unit.

Abstract: Provided are a medical observation apparatus and a medical observation system that are optimal in manipulability and favorable for downsizing and include: an observation unit including a microscope unit that is configured to collect light from an object to be observed via one end in a height direction of the microscope unit and capture a magnified image of a minute part of the object to be observed and has a columnar shape to be grasped by a user during movement, a center of gravity of which observation unit is located farther from the one end than a center in the height direction is; and a support unit supporting the observation unit in a rotationally movable manner around an axis passing through the center of gravity or a vicinity of the center of gravity and perpendicular to the height direction.

Abstract: An imaging device includes: an optical element including a metal layer adapted to be brazed and arranged on an outer peripheral surface of the optical element; a first frame body including a metal part adapted to be brazed and arranged at least on an inner peripheral surface and an outer peripheral surface of the first frame body, the inner peripheral surface being brazed onto the outer peripheral surface of the optical element; and a second frame body including a metal part adapted to be brazed and arranged at least on an inner peripheral surface of the second frame body, the inner peripheral surface being brazed onto the outer peripheral surface of the first frame body. A coefficient of thermal expansion of the first frame body is closer to a coefficient of thermal expansion of the optical element than a coefficient of thermal expansion of the second frame body.

Abstract: A drape maintains a sterile state of a surgical microscope by covering the surgical microscope that enlarges and observes a minute portion of an observation object, and includes: a main body portion that is folded in an unused state and expanded in an in-use state to cover the surgical microscope; and a handle portion that promotes a state change of the drape from the unused state to the in-use state.

Abstract: Provided is a medical display control device including a display control unit that causes a first captured medical image and a second captured medical image to be simultaneously displayed, the first captured medical image having been captured in an imaging device in a first imaging mode where imaging is performed with special light, the second captured medical image having been captured in the imaging device in a second imaging mode different from the first imaging mode before the first captured medical image.

Abstract: There is provided an endoscopic device, including: an image sensor section including an image sensor that senses and converts lights into an electrical signal; a substrate that is electrically connected to the image sensor section; and an intermediate unit, interposed between the image sensor section and the substrate, that electrically connects the image sensor section and the substrate.

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: Provided is a medical observation apparatus, including: a control unit that controls a zoom of an imaging device based on a distance between the imaging device supported by an arm in which a plurality of links are connected to each other through a joint portion, and an observation target, in which the control unit controls the zoom such that an index value relevant to an actual field of view of the imaging device approximates to a target value that is set.

Abstract: A medical imaging device includes: a left eye imaging element including a left eye light receiving surface configured to receive left eye observation light from an observed region of a subject; and a right eye imaging element including a right eye light receiving surface configured to receive right eye observation light being an observation light from the observed region and having a parallax from the left eye observation light. The left eye imaging element and the right eye imaging element are arranged such that: short sides of the left eye light receiving surface and the right eye light receiving surface are along a direction in which an optical axes of the left eye observation light and the right eye observation light are juxtaposed with each other; and long sides of the left eye light receiving surface and long sides of the right eye light receiving surface oppose each other.

Abstract: A camera head includes a coupler member which is detachably connected to an eyepiece unit of an endoscope and configured to capture an object image emitted from the eyepiece unit. The coupler member includes an abutting portion which is rigid and configured to abut on the eyepiece unit at a plurality of points when at least the eyepiece unit is coupled, and a biasing member configured to apply a biasing force for the eyepiece unit to the abutting portion.

Abstract: Provided is a microscope apparatus including: a microscope section configured to perform magnified observation of a subject's eye while obtaining a red reflex caused by irradiating a fundus of the subject's eye with illuminating light; a holding section configured to hold the microscope section; and a tilting section configured to tilt an illumination optical axis which is an optical axis of an illumination optical system, and an observation optical axis which is an optical axis of an observation optical system in the microscope section, around a tilt reference point in an interior of the subject's eve as a base point, while maintaining a substantially coaxial state between the illumination optical axis and the observation optical axis.

Abstract: A medical observation apparatus includes: a camera including a first imager including a plurality of pixels and configured to image a first medical captured-image in which an observation target is imaged, and a second imager including a plurality of pixels, and configured to image a second medical captured-image in which the observation target is imaged, the second imager including more effective pixels than the first imager; and a display controller configured to cause displays to display the first medical captured-image and an image that corresponds to a region set to the second medical captured-image on a display screen of the respective one of the displays corresponding thereto, wherein one of the first medical captured-image and the second medical captured-image is a medical captured image for a right eye, and another one of the first medical captured-image and the second medical captured-image is a medical captured image for a left eye.

Abstract: A medical stereoscopic observation apparatus having circuitry that acquires a status signal according to a status of image processing from each image processing circuit of a plurality of image processing circuits that perform the image processing on input image data through a selected image processing unit among a plurality of image processing units in the respective image processing circuit and generates output image data to be output as a right eye image or a left eye image, and causes a second image processing circuit different from a first image processing circuit to switch the selected image processing unit to match the selected image processing unit of the first image processing circuit, according to the status signal acquired from the first image processing circuit among the image processing circuits of the plurality of image processing circuits.