Abstract: The present disclosure improves handling of information related to a medical care without changing a flow of daily work already established by a health care worker. A medical care subject information management system is communicably connected to a reading device configured to read, from a measurement device configured to measure biological information on a medical care subject, the biological information measured by the measurement device, or includes such a reading device. The medical care subject information management system includes a control unit configured to cause a display unit to display an input screen for inputting information related to progress of a medical care of the medical care subject immediately or in response to a predetermined operation performed when the reading device reads the biological information on the medical care subject.

Abstract: To reduce the risk of a ruptured suture after a surgery or the like, a medical apparatus includes a biodegradable sheet in which a plurality of through-holes are formed, a value of a ratio (D/P) of a hole diameter D to a pitch P of the through-hole is in a range of 0.25 or more and less than 40. Such a medical apparatus is useful as an adhesion promoting device for promoting adhesion of biological tissue.

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 disposed at the needle hub and configured to rotate about a rotation axis orthogonal to a longitudinal direction of the assembly. The support member includes a support main body portion that projects in a direction orthogonal to the rotation axis of the support member and that is movable relative to the needle hub between (i) a first position at which the support main body portion contacts and supports the catheter, and (ii) a second position at which the support main body portion does not contact the catheter.

Abstract: Provided is a blood component collection cassette capable of measuring a circuit internal pressure using a simple and economical configuration. A blood component collection cassette includes an inflow line for sending blood or a blood component collected from a donor to a centrifugal separator, a return line for returning a predetermined blood component to the donor, and a line forming member forming one of the inflow line and the return line and having a load detection soft portion made of a soft material.

Abstract: A syringe assembly includes a plate-shaped seal member that seals a distal opening of a distal nozzle portion of a syringe; and a tubular cover member. The cover member has a base portion and a mounting portion. The mounting portion has two claw portions, two first column portions arranged on both sides of one of the two claw portions, and two second column portions arranged on both sides of the other of the two claw portions. An outer peripheral portion of the mounting portion has two outer peripheral notch portions. An inner peripheral portion of the mounting portion has two inner peripheral recessed portions.

Abstract: The present invention is to provide a means capable of properly balancing water and sodium in peritoneal dialysis treatment, without causing hyponatremia, while avoiding adversely affecting residual renal function. A peritoneal dialysate containing 1.5 to 1.8 w/v % of glucose and 120 to 130 mEq/L of sodium, and being for independent use once or twice a day, wherein the peritoneal dialysate is used in combination with another peritoneal dialysate that contains 1.35 to 2.5 w/v % of glucose and 132 to 135 mEq/L of sodium, in peritoneal dialysis that involves injection of an amount of 1.5 to 2.0 L per one time in an abdominal cavity of a subject, storage and drainage three to five times a day.

Abstract: A hemostatic device is disclosed, which includes a tube fixing portion that is provided to a fixing member which fixes an inflatable member. The tube fixing portion includes a first member, a second member that is located closer to the inflatable member than is the first member, a slit portion, and a tube holding portion. A part of the first member is further away from the inflatable member than is the second member in a direction perpendicular to a virtual plane defined by the slit portion. A first distal-end surface includes a first region not facing a second distal-end surface, and a second region facing the second distal-end surface. A first curved portion has a first curved surface curved toward the second member and facing the second distal-end surface.

Abstract: A medical system recommends a posture of a subject during a medical procedure. The medical system includes a processor and an output device. The processor determines suitable postures of the subject during the medical procedure based on at least one of subject information, including information on a posture of the subject obtained upon a predetermined movement by the subject and information on the procedure. The output device presents one or more of the suitable postures determined by the processor as recommended postures.

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 w is insertable in parallel with the sheath. A distal surface of the rotating body has corrugated portions.

Abstract: In a blood transfusion system (a blood transfusion kit, a blood transfusion kit for emergency blood transfusion, or a method of using a blood transfusion kit), a flow path through which blood flows is formed using a tube having a channel therein. The flow path includes: a first path that connects an upstream path and a downstream path and has a leukocyte removal filter removing leukocytes at an intermediate position of the channel and a second path that connects the upstream path and the downstream path and bypasses the leukocyte removal filter.

Abstract: A hemostatic device that includes: a pressing member configured to compress the puncture site; and a first band, a second band, and a third band configured to be connected to the pressing member. The pressing member includes a pressing portion configured to compress the puncture site and a support member configured to fix the pressing portion. The support member has a first region in which the pressing portion is located, and a second region which is located outside the first region and to which the first band, the second band, and the third band are connectable. The first band and the second band have a center point in the first region when the first band and the second band slide in a state of being connected to the second region. The support member includes a projection protruding toward the pressing portion on a third band side of the first region.

Abstract: A medical device is disclosed for collecting substances inside a body lumen. The medical device includes an elongated shaft portion; a filter portion that has multiple gaps, that is formed in a net shape, that is deformable to be in an expanded state where the filter portion has a basket shape so as to form a concave portion, and that is deformable from the expanded state to be in a contracted state where an opening end portion of the concave portion is contracted; and a support portion that is formed to include a gap larger than gaps of the filter portion and that includes an interlock portion interlocked with the opening end portion of the filter portion and a support side connection portion connected to the shaft portion.

Abstract: A puncture needle according to the present disclosure includes a puncture portion having a blade surface at a distal-end surface; and a retained portion connected to a proximal-end puncture-portion side and configured to be retained by a hub. The puncture portion includes a slit extending to the distal-end surface. The retained portion includes: a tubular portion having a substantially constant outer diameter larger than a maximum outer diameter of the puncture portion, and a tapered portion located between the puncture portion and the tubular portion, an outer diameter of the tapered portion gradually decreasing from a tubular-portion side to a puncture-portion side, wherein in a lateral view with the slit facing upward, lower contour lines of the puncture portion, the tubular portion, and the tapered portion are collinear.

Abstract: A catheter assembly is disclosed, which includes a catheter; a catheter hub fixed to a base end portion of the catheter; an inner needle having a needlepoint, inserted into the catheter; a needle hub coupled to the inner needle; a needle support portion configured to support the inner needle through the catheter on a leading end side beyond the catheter hub, the needle support portion having a pair of support arms openable and closeable in a different direction to an axis of the inner needle; a restraining portion capable of restraining the pair of support arms in a closed state and releasing a restraint of the pair of support arms; and wherein the restraining portion is movable with respect to the pair of support arms by a distal movement of the catheter hub relative to the inner needle, which releases the restraint with respect to the pair of support arms.

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 treatment method reduces the time required to exchange a long catheter which is introduced from an arm to treat the lower limb artery. The treatment method involves introducing a first catheter from an artery of one arm of the patient to dispose a distal portion of the first catheter at least in front of the lesion area in the lower limb artery; introducing a second catheter from an artery of the other arm of the patient; disposing a first treatment catheter in the lesion area through the first catheter; treating the lesion area with the first treatment catheter; and assisting the treatment with the second catheter and/or a second treatment catheter that is inserted into the second catheter.

Abstract: A medical device is disclosed that can effectively destroy an object in a biological lumen, a method for controlling rotation of the medical device, and a rotation controller. The medical device to be inserted into a biological lumen to destroy a thrombus in the biological lumen includes an elongated shaft portion that is rotationally driven, a drive unit that rotates the shaft portion, a breaking member that is provided at a distal portion of the shaft portion and is rotatable, and a control unit that controls the rotation of the drive unit, in which the control unit controls the drive unit to repeat the rotation while interposing a stop of the rotation between rotations of the drive unit.

Abstract: A catheter assembly includes: a catheter; and an inner needle inserted through the catheter. The catheter includes: a catheter body; and a flexible portion that is located at a distal portion of the catheter body and forms a most distal portion of the catheter. An elastic modulus of the catheter body is greater than an elastic modulus of the flexible portion. The catheter has a mixed region in which the catheter body and the flexible portion overlap each other in a radial direction.

Abstract: To provide a means capable of obtaining further excellent cellular adhesiveness than in a case where a surface of a cell culture substrate (cell culture vessel) is coated using polytetrahydrofurfuryl acrylate (PTHFA). Provided is a cell culture substrate comprising a coating layer on at least one side of a polymer substrate, wherein the coating layer includes a copolymer comprising more than 20% by mole and less than 100% by mole of a structural unit (1) derived from furfuryl (meth)acrylate represented by Formula (1) and more than 0% by mole and less than 80% by mole of a structural unit (2) derived from ethylenically unsaturated monomer having a hydroxyl group (the total of the structural unit (1) and the structural unit (2) is 100% by mole).

Abstract: A method for diagnosing, validation of diagnosis and treating a patient having lesions in both arteries of left and right lower limbs. By determining that a larger vessel diameter lesion to be treated first, catheters and an operation time can be reduced is to be treated first on a priority basis based on diagnostic data, deciding that a smaller vessel diameter lesion is to be treated next, then treating the lesions substantially continuously.