Abstract: A reciprocating body (2) has valve element (6) including deflecting surface (10a), valve shaft (7) guided by guide cylinder (4), and packing (8) having an annular shape circularly brought into close contact with valve seat (12a) in a state where the reciprocating body (2) is in a closed position. The valve element (6) includes large diameter portion (9a), and small diameter portion (9b) and deflecting portion (10). The large diameter portion (9a) has flange surface (9d) supporting the packing (8) in a state where the packing (8) is exposed to the primary flow passage side. The flange surface (9d) is formed such that the flange surface (9d) is allowed to come into contact with the valve seat (12a) via the packing (8). Recess (9c) is formed on the outer periphery of the small diameter portion (9b), and a portion of the packing (8) is fitted in the recess (9c).

Abstract: [Object] To propose a control apparatus, a control system and a control method which are capable of causing another light source to adaptively emit light at a timing at which light emitted from one light source changes. [Solution] A control apparatus including: a light source control unit configured to control light emission of a second light source on the basis of profile of light emitted from a first light source and a synchronization signal for synchronizing a timing between the first light source and the second light source for radiating light on a surgical region.

Abstract: To improve resolution of an image in a case of imaging with an image sensor having light receiving sensitivity in a long wavelength region. A surgical imaging system according to the present disclosure includes a first image sensor that has light receiving sensitivity in a wavelength region of visible light and images a surgical site, a second image sensor that has light receiving sensitivity in a wavelength region of visible light and near-infrared light and images the surgical site, and a signal processing device that performs a process for displaying a first image imaged by the first image sensor and a second image imaged by the second image sensor.

Abstract: In a case where a plurality of imaging apparatuses is used for a surgery, the appearance is regulated between images captured by the respective imaging apparatuses. According to the present disclosure, a medical system is provided, the medical system including a plurality of surgical imaging apparatuses and a control unit to which each of the surgical imaging apparatuses is connected, the control unit including a signal processing unit that links images captured by the respective surgical imaging apparatuses. With this configuration, in a case where a plurality of imaging apparatuses is arranged for a surgery, it becomes possible to regulate the appearance between images captured by the respective imaging apparatuses.

Abstract: An indwelling device that includes a hollow tubular body having a first end and a second end, and the first end is made of an elastic member.

Abstract: A container formed of resin includes a body portion having an approximately square cross-sectional shape, and a vertically elastically deformable cushion portion provided downwardly of a vertical center of the body portion, the cushion portion having along its entire circumference a groove which is formed progressively wider radially outwards. The container further includes an arcuate portion provided at a corner portion in a cross-sectional shape of the groove.

Abstract: [Object] To realize transmission of a biological image suitable to image capture conditions and characteristics of an output apparatus. [Solving Means] There is provided a control apparatus including a ratio calculation unit calculating a first ratio of a bit assignment relating to transmission of a biological image on the basis of image capture conditions and a bit assignment determination unit determining the bit assignment on the basis of the first ratio.

Abstract: [Object] To improve the quality of an acquired image by detecting each piece of color information of red (R), green (G), and blue (B) components to effectively utilize the dynamic range of the image sensor while using a single-plate image sensor. [Solution] Provided is a light source control device including: a light source control unit configured to cause a plurality of narrowband light sources including at least a red light source, a green light source, and a blue light source to emit light on a time division basis; and a light quantity setting unit configured to set an output of each of the narrowband light sources on the basis of image information that is frame-sequentially detected by a monochrome single-plate image sensor configured to capture a reflected image of a subject illuminated with light emitted from the narrowband light source.

Abstract: [Object] To propose a control apparatus, a control system and a control method which are capable of causing another light source to adaptively emit light at a timing at which light emitted from one light source changes. [Solution] A control apparatus including: a light source control unit configured to control light emission of a second light source on the basis of profile of light emitted from a first light source and a synchronization signal for synchronizing a timing between the first light source and the second light source for radiating light on a surgical region.

Abstract: The present disclosure relates to an image processing apparatus, an image processing method, a program, and an endoscope system capable of obtaining an image with high color discrimination. A histogram generation unit generates histograms of pixel values for an input image regarding luminance Y, saturation S, and hue H. A histogram correction unit subtracts components of the saturation, the luminance, and the hue of a portion determined to be a foreign object by a foreign object detection unit from the histograms regarding the saturation, the luminance, and the hue generated by the histogram generation unit and then weights by a value of a standard histogram. The present disclosure may be applied to the endoscope system which performs color conversion on an image input from a camera head through a scope, for example.

Abstract: [Object] To propose a control apparatus, a control system and a control method which are capable of appropriately determining an irradiation period in a scene in which light is radiated at the same time as imaging. [Solution] A control apparatus including: a light source control unit configured to determine a period in accordance with a period between an exposure start timing of a first line in an image pickup element and an exposure end timing of a second line in the image pickup element as an irradiation period during which a light source unit is caused to radiate light. The second line is a line in which start of exposure in one frame is earlier than in the first line.

Abstract: The present disclosure relates to a surgical system, a surgical control method, and a program enabling image processing with high accuracy in a case of changing an amount of light applied to a subject of a surgical imaging device. A light source control unit changes the light amount of the light applied to the subject imaged by an endoscope from a default value to a high light amount larger than the default value. An image processing unit performs image processing using a high light amount image which is an intraoperative image captured by the endoscope in a state in which the light amount is the high light amount. The image processing unit adjusts brightness of the high light amount image on the basis of the high light amount to generate a display image and displays the display image on a display device. The present disclosure is applicable to, for example, an endoscopic surgical system and the like.

Abstract: [Object] It is desired that a technology that can reduce image quality degradation of an image captured by a variable-field-of-view endoscopic device is provided. [Solution] There is provided a control device including: an image quality control unit configured to control image quality of an image for display on a basis of optical axis angle information with reference to a scope axis of an endoscope and an image signal acquired by an image sensor.

Abstract: Provided is an image processing device including: an image processing unit that generates image data for output from a captured image of an inside of a body cavity of a patient photographed by an endoscope. The image processing unit generates the image data in a manner that, when a lens barrel of the endoscope is moved in an optical axis direction of an objective lens during photographing, a display range in the captured image that is a range expressed in a display image displayed on a display device does not change, during the movement and after the movement, from a display range before the movement.

Abstract: [Problem] A surgical apparatus of the related art controls only the cropping position of a captured image, and thus only executes a limited range of image control in laparoscopic surgery. [Solution] A medical information processing apparatus including: an image control section that controls processing of a captured image from a camera; and an arm control section that controls a motion of an arm that supports the camera. One of the image control section and the arm control section executes control on a basis of control information from another control section.

Abstract: [Object] To reduce a risk that a tone of a specific color component of a subject to be observed in medical operation is defective.

Abstract: The present technology relates to a medical support device, a method thereof, and a medical support system, which make it possible to notify of more various events. In the present technology, an event in a living body is detected on the basis of change in time of temperature of a surgical site or around the surgical site, and notification information notifying according to the detected event in the living body is generated. The present technology may be applied to, for example, the medical support device, an endoscope device, a microscope device, a computer controlling the devices, or a medical support system including a plurality of devices and the like.

Abstract: [Object] To improve the quality of an acquired image by detecting each piece of color information of red (R), green (G), and blue (B) components to effectively utilize the dynamic range of the image sensor while using a single-plate image sensor. [Solution] Provided is a light source control device including: a light source control unit configured to cause a plurality of narrowband light sources including at least a red light source, a green light source, and a blue light source to emit light on a time division basis; and a light quantity setting unit configured to set an output of each of the narrowband light sources on the basis of image information that is frame-sequentially detected by a monochrome single-plate image sensor configured to capture a reflected image of a subject illuminated with light emitted from the narrowband light source.

Abstract: The present disclosure relates to an image processing device, an image processing method, and a surgical system that enable detection of a region including a specific living body site in an intraoperative image on the basis of a frequency of a motion vector of a living body in the intraoperative image. A motion detection unit detects the motion vector of the living body in the intraoperative image using the intraoperative images at different times. The analysis unit obtains the frequency of the motion vector detected by the motion detection unit. A frequency map generation unit detects the region including the specific living body site in the intraoperative image on the basis of the frequency obtained by the analysis unit. The present disclosure is applicable to, for example, a CCU and the like of an endoscopic surgical system.

Abstract: A server apparatus includes: a communication unit that communicates with a first communication apparatus and a second communication apparatus; a registration unit that, upon obtaining identification data of a mobile terminal which has been lost from the first communication apparatus, registers the identification data; and an output unit that, upon obtaining position data and the identification data from the second communication apparatus, outputs the position data when the identification data is registered, the position data indicating a position of the second communication apparatus at the time when the second communication apparatus receives the identification data sent from the mobile terminal.