Abstract: A pressure measuring device 30 installs on a tube 11 for transferring a medium BL so as to measure a pressure of the medium BL inside the tube 11. The pressure measuring device 30 includes a main body portion 31 mountable to the tube 11, polarizing means 34 disposed in the main body portion 31 so that light oscillating in a specific direction is transmitted therethrough, an image acquisition unit 32 disposed in the main body portion 31 so that image information on a pressure receiver that is deformed in response to the received pressure is acquired through the polarizing means 34, and a control unit 100 that converts the image information acquired by the image acquisition unit 32 into pressure information about the pressure.

Abstract: A pressure measuring device 30 installs on a tube 11 for transferring a medium (e.g., blood in a extracorporeal blood circulator) so as to measure a pressure of the medium inside the tube 11. The pressure measuring device 30 includes a main body portion 31 mountable to the tube 11, an image acquisition unit 32 disposed in the main body portion 31 so as to acquire image information on a pressure receiver that is deformed in response to the received pressure of the medium inside the tube 11, and a control unit 100 that converts the image information acquired by the image acquisition unit into pressure information about the pressure.

Abstract: A catheter assembly includes a catheter including an expandable and contractible tube provided with a lumen and a contact portion provided in a distal end portion of the tube. A stylet can be inserted in the lumen to make the tube expand in the longitudinal direction by coming into contact with the contact portion. A straight connector is provided on a proximal end side of the catheter which can be coupled to the stylet. The connector includes a male screw portion that is engageable with the stylet. The stylet includes a stylet hub disposed on the proximal end side of the catheter and a coupling member that couples the style hub and the straight connector to each other and is engageable with the male screw portion by rotating independently of the stylet hub.

Abstract: A pressure measuring device 30 installs on a tube 11 for transferring a medium BL so as to measure a pressure of the medium BL inside the tube 11. The pressure measuring device 30 includes a main body portion 31 mountable to the tube 11, polarizing means 34 disposed in the main body portion 31 so that light oscillating in a specific direction is transmitted therethrough, an image acquisition unit 32 disposed in the main body portion 31 so that image information on a pressure receiver that is deformed in response to the received pressure is acquired through the polarizing means 34, and a control unit 100 that converts the image information acquired by the image acquisition unit 32 into pressure information about the pressure.

Abstract: A pressure measuring device 30 installs on a tube 11 for transferring a medium (e.g., blood in a extracorporeal blood circulator) so as to measure a pressure of the medium inside the tube 11. The pressure measuring device 30 includes a main body portion 31 mountable to the tube 11, an image acquisition unit 32 disposed in the main body portion 31 so as to acquire image information on a pressure receiver that is deformed in response to the received pressure of the medium inside the tube 11, and a control unit 100 that converts the image information acquired by the image acquisition unit into pressure information about the pressure.

Abstract: An artificial lung 100 has a filling portion 110 that communicates with an inlet port 101 and an outlet port 102 for blood and is filled with blood, a heat exchange portion 160 that includes a bundle of a plurality of hollow fibers 163 for heat exchange and is provided inside the filling portion, a gas exchange portion 170 that includes a bundle of a plurality of hollow fibers 173 for gas exchange and is provided inside the filling portion to be adjacent to the heat exchange portion, and a porous member 180 that is disposed in a gap 190 between the heat exchange portion and the gas exchange portion. A volume within the housing occupied by a wall of the porous member correspondingly reduces a priming volume within the housing available for conveying the blood (i.e., a bulk volume of the porous member partially blocks or fills the gap.