Abstract: A liquid medicine administration device includes: a catheter configured to be inserted into and left in place in a living body; a catheter hub that holds a proximal end of the catheter; a tube held by the catheter hub, the tube being connected to the catheter and configured to allow the liquid medicine to flow toward the catheter; a connector to which a device body is attachable, the connector being located at a proximal end of the tube; and a valve body that has a disk shape in a flow path between the catheter hub and a proximal end of the connector, the valve body having an opening and closing hole that has a slit shape and that opens during delivery of the liquid medicine, the valve body allowing the device body to communicate with the tube via the opening and closing hole.

Abstract: A puncture needle for medical use includes: a main body that has a hollow portion and that includes a distal end portion including a blade surface. The blade surface includes: a first blade surface portion that extends so as to incline with respect to a central axis of the main body and that has an inner edge defining a distal-end opening of the hollow portion, and a second blade surface portion formed on a distal side of the blade surface. A blade edge having a needle tip at one end is formed by a ridge line where the first blade surface portion meets the second blade surface portion. The first blade surface portion includes a concave curved surface that is concave and curved in a side view of the main body.

Abstract: An electronic apparatus activation control apparatus includes a communication unit and a data processing unit. The communication unit is configured to perform communication via a network. The data processing unit is configured to output an activation instruction to a network apparatus connected to the network through the communication unit. The data processing unit recognizes a state transition from a non-active state to an active state of the electronic apparatus activation control apparatus and outputs the activation instruction to the network apparatus on the basis of recognition of the state transition.

Abstract: A puncture needle for medical use includes: a main body that is rod-shaped and that comprises a distal end portion comprising a blade surface. The blade surface includes: a first blade surface portion that extends so as to incline with respect to a central axis of the main body, and a second blade surface portion that is formed on a back side of the first blade surface. A blade edge having a needle tip at one end is formed by a ridge line where the first blade surface portion meets the second blade surface portion. The first blade surface portion is constituted by a concave surface that is concave in a side view of the main body.

Abstract: An analysis system includes: an acquisition unit configured to acquire a cell image including images of a plurality of cultured cells which are cultured in a medium; and an image analyzing unit configured to analyze living states of the plurality of cultured cells included in the cell image on the basis of luminance values and cell diameters of the cultured cells included in the cell image.

Abstract: A liquid medicine administration device includes: a needle unit configured to be inserted into and placed on a living body; a liquid medicine supply device provided separately from the needle unit and configured to deliver a liquid medicine filled inside from a distal portion; a tube configured to allow the liquid medicine to flow, the tube having a distal end connected to the needle unit; and a connector to which the liquid medicine supply device is attached, the connector being located at a proximal end of the tube. The connector includes: a valve body that has a disk shape and that opens during delivery of the liquid medicine to allow the liquid medicine supply device to communicate with the tube, and a valve seat that is annular and provided on a tube side with respect to the valve body, the valve seat protruding toward and contacting the valve body.

Abstract: A liquid medicine administration device includes: a needle unit configured to be inserted into and placed on a living body; a liquid medicine supply device provided separately from the needle unit and configured to deliver a liquid medicine filled inside from a distal portion; a tube configured to allow the liquid medicine to flow, the tube having a distal end connected to the needle unit; and a connector to which are attachable both (i) the liquid medicine supply device, and (ii) a priming solution delivery device configured to deliver a priming solution filled inside from a distal portion. The connector includes: a hollow needle having a needle hole that is formed inside the hollow needle and that communicates with the tube, the hollow needle protruding toward the liquid medicine supply device or the priming solution delivery device, and a valve body that is disposed distal to the hollow needle.

Abstract: A hollow puncture needle includes: a needle body portion; a needle distal end portion that extends from the needle body portion in a distal direction and that includes a blade surface that is inclined with respect to an axis of the puncture needle; and an ultrasonic wave reflecting structure including at least one reflecting portion having a concave or hole shape that opens on an inner peripheral surface of the needle distal end portion. An inner surface of the reflecting portion includes a pair of inclined surfaces that face each other, wherein a distance between the inclined surfaces becomes smaller in a direction towards an outer peripheral surface side of the needle distal end portion. The inclined surfaces is parallel to the axis of the puncture needle.

Abstract: A hollow puncture needle includes: a needle body portion; a needle distal end portion that extends from the needle body portion in a distal direction and that includes a blade surface that is inclined with respect to an axis of the puncture needle; and an ultrasonic wave reflecting structure including at least one reflecting portion having a concave or hole shape that opens on an inner peripheral surface of the needle distal end portion. An inner surface of the reflecting portion includes a pair of inclined surfaces that face each other, wherein a distance between the inclined surfaces becomes smaller in a direction towards an outer peripheral surface side of the needle distal end portion. The inclined surfaces is parallel to the axis of the puncture needle.

Abstract: A medical puncture needle comprising includes: a rod-shaped body portion; and a blade surface formed at a distal end portion of the rod-shaped body portion. The blade surface includes: a first blade surface portion that is inclined with respect to a central axis of the body portion and extends to a tip, and a second blade surface portion that is formed on a back side of the first blade surface portion. A blade edge extending to the tip is formed by a ridgeline at which the first blade surface portion intersects the second blade surface portion. The second blade surface portion comprises a first plane and a second plane having different angles with respect to a virtual plane including the central axis passing through the tip at an orthogonal cross-section that is orthogonal to the central axis.

Abstract: A puncture needle for medical use includes: a main body that is rod-shaped and that comprises a distal end portion comprising a blade surface. The blade surface includes: a first blade surface portion that extends so as to incline with respect to a central axis of the main body, and a second blade surface portion that is formed on a back side of the first blade surface. A blade edge having a needle tip at one end is formed by a ridge line where the first blade surface portion meets the second blade surface portion. The first blade surface portion is constituted by a concave surface that is concave in a side view of the main body.

Abstract: A medical puncture needle includes: a distal end portion including a needle point; and a rod-like main body portion continuous with the distal end portion, wherein: the distal end portion includes a blade surface, the blade surface includes: a first blade surface portion and a second blade surface portion on a front side of the distal end portion, the first and second blade surface portions intersecting each other at a ridgeline that forms a blade edge having the needle point at one end, and a third blade surface portion continuous with each of the first blade surface portion and the second blade surface portion on a main body portion side, and the third blade surface portion includes a protruding curved surface.

Abstract: A medical puncture needle includes: a distal end portion including a needle point; and a rod-like main body portion continuous with the distal end portion. The distal end portion includes a blade surface. The blade surface includes: a first blade surface portion on a front side of the distal end portion, the first blade surface portion being inclined with respect to a center axis of the main body portion and extending to the needle point, and a second blade surface portion on a back side of the distal end portion. When a virtual plane including the center axis of the main body portion is established, the second blade surface portion comprises a curved surface in which an angle with respect to the virtual plane in a cross section orthogonal to the center axis direction gradually increases toward the needle point side in the center axis direction.

Abstract: A medical puncture needle includes a rod-shaped main body portion; and a blade surface formed at a distal end portion of the main body portion. The blade surface includes a first blade surface portion and a second blade surface portion that intersect to form a blade edge. A needle tip is formed at a location at which a distal end of the blade edge intersects a first ridge line at an outer edge of the first blade surface and a second ridge line at an outer edge of the second blade surface. At least one of the blade surface portions is planar, and, in a central axis direction of the main body portion, said at least one blade surface portion extends to a location proximal of a middle position of a blade surface region in which the blade surface is formed.

Abstract: An electronic apparatus activation control apparatus includes a communication unit and a data processing unit. The communication unit is configured to perform communication via a network. The data processing unit is configured to output an activation instruction to a network apparatus connected to the network through the communication unit. The data processing unit recognizes a state transition from a non-active state to an active state of the electronic apparatus activation control apparatus and outputs the activation instruction to the network apparatus on the basis of recognition of the state transition.

Abstract: There is a possibility that an arrangement of a cleaning device and a drying device may result in an inefficient usage of a space for an installation. A cleaning and drying apparatus 30 for a plate including a biochip is provided with: a cleaning device 310 that is configured to clean the plate 60; and a drying device 320 that is configured to dry the plate 60, the drying device 320 is arranged above the cleaning device 310.

Abstract: A medical puncture needle comprising includes: a rod-shaped body portion; and a blade surface formed at a distal end portion of the rod-shaped body portion. The blade surface includes: a first blade surface portion that is inclined with respect to a central axis of the body portion and extends to a tip, and a second blade surface portion that is formed on a back side of the first blade surface portion. A blade edge extending to the tip is formed by a ridgeline at which the first blade surface portion intersects the second blade surface portion. The second blade surface portion comprises a first plane and a second plane having different angles with respect to a virtual plane including the central axis passing through the tip at an orthogonal cross-section that is orthogonal to the central axis.

Abstract: A medical puncture needle includes: a distal end portion including a needle point; and a rod-like main body portion continuous with the distal end portion. The distal end portion includes a blade surface. The blade surface includes: a first blade surface portion on a front side of the distal end portion, the first blade surface portion being inclined with respect to a center axis of the main body portion and extending to the needle point, and a second blade surface portion on a back side of the distal end portion. When a virtual plane including the center axis of the main body portion is established, the second blade surface portion comprises a curved surface in which an angle with respect to the virtual plane in a cross section orthogonal to the center axis direction gradually increases toward the needle point side in the center axis direction.

Abstract: A medical puncture needle includes: a distal end portion including a needle point; and a rod-like main body portion continuous with the distal end portion, wherein: the distal end portion includes a blade surface, the blade surface includes: a first blade surface portion and a second blade surface portion on a front side of the distal end portion, the first and second blade surface portions intersecting each other at a ridgeline that forms a blade edge having the needle point at one end, and a third blade surface portion continuous with each of the first blade surface portion and the second blade surface portion on a main body portion side, and the third blade surface portion includes a protruding curved surface.

Abstract: A medical puncture needle includes a rod-shaped main body portion; and a blade surface formed at a distal end portion of the main body portion. The blade surface includes a first blade surface portion and a second blade surface portion that intersect to form a blade edge. A needle tip is formed at a location at which a distal end of the blade edge intersects a first ridge line at an outer edge of the first blade surface and a second ridge line at an outer edge of the second blade surface. At least one of the blade surface portions is planar, and, in a central axis direction of the main body portion, said at least one blade surface portion extends to a location proximal of a middle position of a blade surface region in which the blade surface is formed.