Abstract: A monitoring system which constitutes an oxygen measurement system includes: an oxygen partial pressure calculation unit that calculates an oxygen partial pressure in urine based on an output signal from the oxygen measurement device; a monitor that displays the oxygen partial pressure calculated by the oxygen partial pressure calculation unit; and a display control unit that changes a format of display of the oxygen partial pressure displayed by the monitor according to the flow rate of urine acquired based on the output signal from the oxygen measurement device.

Abstract: A method is disclosed for producing an artificial lung including a plurality of porous hollow fiber membranes for gas exchange which have an outer surface, an inner surface forming a lumen, and an opening portion communicating the outer surface with the inner surface. The method includes bringing any of the outer surface and the inner surface into contact with a colloidal solution that contains an antithrombotic high-molecular compound to circulate carbon dioxide gas to a side of the other surface. According to the present disclosure, an artificial lung can be produced in which a coating amount of antithrombotic high-polymer material (an antithrombotic high-molecular compound) on a hollow fiber membrane is increased.

Abstract: A technique is disclosed for preserving a shape of a fragile object in a liquid. The technique includes a device including a container that houses a fragile object and has a cylindrical shape including a bottom, a lid that seals the container, and a seal. The container includes a lower portion that houses the fragile object, an upper portion that includes an opening, and a stepped portion provided between the lower portion and the upper portion. The lid seals the opening of the upper portion. The seal is interposed between the lid and the stepped portion to seal an opening of the lower portion.

Abstract: An embolic coil includes a coil body including a wire extending spirally, and a groove is formed on a surface of the wire.

Abstract: A catheter assembly includes: a hollow catheter; a catheter hub to which the catheter is fixed; an inner needle including a needle tip, the inner needle being detachably disposed inside of the catheter; a needle hub to which the inner needle is fixed; a catheter operation member configured to move the catheter relative to the inner needle; and a support member attached to a distal side of the needle hub and configured to rotate about a rotation axis orthogonal to a longitudinal direction of the assembly.

Abstract: A medical member having flexibility and strength suitable for application to anastomotic portions, and having effectively improved breaking processability. The medical member includes a mesh-like main body that promotes adhesion of the anastomotic portions, in which the main body includes a breakable portion having a relationship between a breaking strength and a compression elongation percentage, represented by the following formulas (1) to (4): Y ? 244734 ? ( X - Z ) - 1.665 ( 1 ) 0 ? Z < 408.216 ( 2 ) X - Z > 0 ( 3 ) 39 ? X .

Abstract: A clamp includes a fixed portion on which a medical tube is placed, a movable portion that is provided above the fixed portion to face the fixed portion, and a closing portion that presses and closes the medical tube when the movable portion is pressed toward the fixed portion. The closing portion includes a presser that protrudes from the movable portion toward the fixed portion and presses the medical tube, a pair of sidewalls that extends, like a wall, from both sides of the fixed portion and prevents the medical tube from being shifted laterally, and a guide structure that allows the presser to be guided between the sidewalls.

Abstract: A device for transporting objects such as a graft is configured to efficiently establish a liquid-tight state with a simple operation. The device is to be used in a state of being detachably attached to a container for storing a graft, the device including: a lid member for sealing the container; and an annular member for forming a first space by being interposed between the lid member and the container, wherein a second space is formed between the lid member and an inside surface of the container.

Abstract: A medical device is disclosed that can help prevent a guide wire from coming into contact with a rotating body in the middle of performing a treatment and achieves improvement in the efficiency of cutting an object by the rotating body. The medical device has a sheath that is insertable into a body lumen, a rotatable hollow rotating body that is disposed to protrude toward a distal side of the sheath, and guide wire lumens into which a guide wire is insertable in parallel with the sheath. A distal end surface of the rotating body has a concave-convex cut portion formed only between an inner distal end of the hollow rotating body and an outer periphery of the distal end of the hollow rotating body.

Abstract: A female syringe barrel is disclosed, which includes two protrusions provided on a cylindrical portion. A length (Lp) of each protrusion of the two protrusions along a direction, perpendicular to an axis of the cylindrical portion and perpendicular to a direction in which each protrusion of the two protrusions protrudes from the cylindrical portion, is 2.0 mm to 4.5 mm. A width of each protrusion of the two protrusions along an axial direction of the cylindrical portion is 1.0 mm to 2.1 mm. Each protrusion of the two protrusions has an inclined surface, which opposes a trailing flank of a screw when the two protrusions are engaged into the screw of a lock adapter, in an end portion close to a barrel body.

Abstract: An infusion cartridge includes: a case provided with a recess; and a film structure that has flexibility, covers an opening of the recess, and, together with the recess, defines a storage space configured to store an infusion solution. The case includes an opening end that defines the opening of the recess, the opening end including: a first side surface facing inside of the recess, a second side surface located on a side opposite to the first side surface, and an end surface connecting the first side surface and the second side surface. The film structure includes: a fixing portion that covers the end surface and is fixed to the end surface, and a cover portion that covers the second side surface and is not fixed to the second side surface.

Abstract: An image processing device includes a control unit configured to determine, when an input is received of at least one cross-sectional image obtained using a sensor configured to move in a lumen of a biological tissue, whether a deformation spot that is on an inner surface of the biological tissue and that has been deformed by pressing an elongated medical device inserted into the lumen is included in the at least one cross-sectional image, and specify a position of the medical device based on a position of the deformation spot when it is determined that the deformation spot is included in the at least one cross-sectional image.

Abstract: A puncture system that is configured to automatically puncture a radial artery of a hand of a patient includes: a grip to be gripped by the hand; a blood vessel detection unit that detects a position of an artery of the hand that grips the grip; an adjustment mechanism that adjusts a relative posture of the grip and a puncture needle a forward mechanism to move the puncture needle forward toward the grip; and a control unit that determines, in accordance with the position of the artery detected by the blood vessel detection unit, a relative posture of the grip and the puncture needle and a forward distance of the puncture needle, and controls operations of the adjustment mechanism and the forward mechanism on the basis of the posture and the forward distance having been determined.

Abstract: This in-vivo indwelling stent has annular bodies constituted by a plurality of annular bodies arranged in the axial direction, and connection portions. The plurality of annular bodies includes first pattern annular bodies and second pattern annular bodies that are alternately arranged. The first pattern annular bodies each have an endless zigzag linear shape including one-end-side apexes, other-end-side apexes, and curved linear bodies that connects the apexes and protrudes in a first circumferential direction. The second pattern annular bodies each have an endless zigzag linear shape including one-end-side apexes, other-end-side apexes, and a plurality of curved linear bodies that connects the apexes and protrudes in a second circumferential direction. The one-end-side apex and the other-end-side apex of adjacent annular bodies are connected to each other with the connection portion.

Abstract: A rapid exchange type medical elongated body is disclosed in which an outer diameter of a distal portion of a tubular member is set smaller than an outer diameter of a proximal portion of the tubular member, which prevents an occurrence of a kink in a physical property change region of the medical elongated body which has a relatively large change in physical property. A tubular member forming a second region of a distal member of a medical elongated body is integrally formed with a shaft portion. The distal member has a reinforcement layer containing a metallic material and formed between an inner layer and an outer layer from a first region to the second region. The reinforcement layer is disposed inside the tubular member in the second region. An outer diameter of the first region is set smaller than an outer diameter of the second region.

Abstract: An oxygenator includes: a housing; a bubble-removing hollow fiber membrane layer removing a bubble; a gas-exchanging hollow fiber membrane layer exchanging a gas with blood; and a discharge port to discharge the bubble removed by the bubble-removing hollow fiber membrane layer to the outside of the housing. The oxygenator further includes a gas permeable portion that is arranged between the discharge port and an end portion of the bubble-removing hollow fiber membrane layer, is formed by a member having gas permeability, and allows passage of the bubble removed by the bubble-removing hollow fiber membrane layer without allowing passage of plasma leaking through the bubble-removing hollow fiber membrane layer. A plasma capture chamber that captures the plasma leaking through the bubble-removing hollow fiber membrane layer is formed between the end portion of the bubble-removing hollow fiber membrane layer and the gas permeable portion.

Abstract: An image diagnosis catheter includes: an outer tube; a first support tube disposed on the radially inner side of the outer tube; a drive shaft disposed on the radially inner side of the first support tube; an inner tube disposed on the radially inner side of the outer tube and radially outer side of the first support tube; and a second support tube disposed on the radially inner side of the inner tube and radially outer side of the drive shaft, being axially movable with the drive shaft and the inner tube and relative to the outer tube and the first support tube.

Abstract: A method for manufacturing a catheter in which a catheter body is formed by fusing a first member and a second member. The method includes irradiating an adjacent portion between the first member and the second member with a laser beam in a close state and in an external force application state to fuse the adjacent portion. In the close state, an elastically deformable elastic body having laser transmission property and having a hollow portion through which the first member and the second member are insertable with a gap at no load is brought into contact with the first member and the second member in the hollow portion due to elastic deformation to bring the first member and the second member close to each other.

Abstract: A catheter includes: a catheter body wall having an elongated tubular shape; and at least one wire provided in the catheter body wall, the at least one wire having at least one groove.

Abstract: A measurement probe includes: an elongated body that is insertable into a catheter having a flow path; a sensor fixed to the elongated body and capable of detecting a state of a fluid flowing in the flow path; and a sensor holding portion that holds the sensor at a predetermined position when the elongated body is inserted into the catheter. An output of the sensor changes depending on an oxygen partial pressure in the fluid, a carbon dioxide partial pressure in the fluid, a hydrogen ion index of the fluid, an amount of potassium ions in the fluid, an amount of sodium ions in the fluid, an amount of chlorine ions in the fluid, a temperature of the fluid, or a flow rate of the fluid.