Abstract: A liquid medicine administration device includes: a catheter configured to be inserted into and left in place in a living body; a tube configured to allow a liquid medicine to flow toward the catheter; a connector located at a proximal portion of the tube, the connector being selectively connectable to (i) a priming solution delivery tool configured to deliver a priming solution from a distal portion of the priming solution delivery tool, and (ii) a prefilled syringe filled with the liquid medicine; and a hollow needle located inside the connector and protruding in a proximal direction. The connector includes: a first connection portion connectable to the prefilled syringe, and a second connection portion located at a position different from the first connection portion and connectable to the priming solution delivery tool.

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 holder that holds the catheter hub; and an adhesive member configured to be affixed along a body surface of the living body, the adhesive member having a sheet shape and being fixed onto a back surface of the holder.

Abstract: An auto-injector retainer for use in simultaneous administration by a plurality of auto-injectors each having a housing that has a cylindrical shape and houses a prefilled syringe and a gasket pushing mechanism, the auto-injector retainer including: a plurality of retaining units located in parallel, each retaining unit configured to retain a respective one of the auto-injectors. Each of the retaining units includes a casing that covers a proximal end of the housing of the respective auto-injector. Each casing includes: a distal opening into which the proximal end of the housing of the respective auto-injector is insertable, a proximal wall configured to abut on or face a proximal end face of the housing of the respective auto-injector, and a cylindrical peripheral wall configured to elastically deform when the proximal end of the housing of the respective auto-injector is housed in the casing.

Abstract: An infusion solution oxygenation device and an infusion solution oxygenation system capable of supplying oxygen to an infusion solution safely, simply, and quickly. An infusion solution oxygenation device includes a catheter connection portion to which a catheter that supplies an oxygen-containing gas to an infusion solution in an infusion solution container is connected, a gas supply unit that supplies the oxygen-containing gas to the catheter connection portion, and a container pressure sensing unit that senses an internal pressure of the infusion solution container, the gas supply unit controlling the supply of the oxygen-containing gas on the basis of the internal pressure of the infusion solution container sensed by the container pressure sensing unit.

Abstract: A non-transitory computer-readable medium storing a computer program that can output a contrast agent use plan on the basis of a treatment plan. The computer program causes a computer to execute a process including acquiring patient information regarding a patient to be treated and surgical procedure information regarding a surgical procedure scheduled for the patient; acquiring a treatment plan on the basis of the patient information and the surgical procedure information; and outputting a contrast agent use plan for the patient on the basis of the treatment plan. A preoperative acceptable amount regarding a contrast agent to be administered to the patient is acquired, the preoperative acceptable amount being calculated on the basis of the patient information. The preoperative acceptable amount is output along with the contrast agent use plan.

Abstract: A catheter shape retainer includes a retainer main body inserted and disposed in an inner lumen of a catheter to retain a cylindrical shape of the catheter, and a movement restrictor disposed closer to a distal portion of the retainer main body than a proximal portion of the retainer main body to restrict the catheter from moving toward the proximal portion of the retainer main body. When a portion of the retainer main body including the distal portion of the retainer main body is inserted into a living body, a portion of the retainer main body located outside the living body has a length longer than a total length of a puncture device.

Abstract: A non-transitory computer-readable medium storing a computer program for calculating a possible administration amount of a contrast agent in consideration of the risk of developing renal damage. The program executes a process including acquiring a renal condition indicator regarding the condition of the kidney of the patient during treatment of a patient; calculating an intraoperative acceptable amount regarding a contrast agent to be administered to the patient on the basis of the renal condition indicator and patient information regarding the patient; and outputting information regarding the intraoperative acceptable amount.

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 medical supply package storing a medical supply, the medical supply package including: a first sheet member; and a second sheet member facing the first sheet member. The medical supply is stored between the first sheet member and the second sheet member. The first sheet member and/or the second sheet member comprises a storage recess having a shape corresponding to an outer shape of the medical supply in a central portion. The first sheet member and the second sheet member include: abutting portions surrounding an outer periphery of the storage recess and facing each other, an annular seal portion formed on the abutting portions and surrounding and hermetically sealing the storage recess, and a non-seal portion provided on an outer side of the annular seal portion. At least one of the first sheet member and the second sheet member comprises a linear or band-shaped breakable portion.

Abstract: A liquid medicine administration device includes: a catheter configured to be left in place in a living body; a catheter hub that holds a proximal end of the catheter; a holder that holds the catheter hub; an adhesive member that has an adhesive surface having adhesiveness and configured to be affixed onto a body surface of the living body, the adhesive member being fused to a back surface of the holder; a release sheet; and a fusion portion that extends along an outer periphery of the holder between the holder and the adhesive member and bonds the holder and the adhesive member to each other. The fusion portion comprises a general fusion portion, and a peeling assisting portion having a smaller bonding force than the general fusion portion.

Abstract: A medical device for removing an object in a body cavity includes a rotatable drive shaft having a lumen, a cutter disposed at a distal portion of the drive shaft and by which the object is cut, a handle disposed at a proximal portion of the drive shaft and including a first motor configured to rotate the drive shaft, a fluid flow path having an inlet and an outlet, the inlet communicating with the lumen, a rotatable portion in the fluid flow path, and a second motor configured to rotate the rotatable portion such that a fluid that has flowed into the fluid flow path from the inlet moves toward the outlet.

Abstract: A syringe of a syringe assembly is provided with a body portion capable of being filled with a drug solution and a female port nozzle portion which extends from a distal end of the body portion and includes a communication port on a proximal end of the female port nozzle. The body portion includes a distal end wall surface and a side wall surface to which a liquid lubricant is applied. The distal end wall surface includes a concave portion arranged radially outside an inner edge portion adjacent to the communication port and concave in a distal end direction more than at least a part of the inner edge portion, and the concave portion is arranged to fully surround the communication port and may store the liquid lubricant.

Abstract: To provide a means capable of providing excellent cell adhesion to a polymer substrate (particularly, a hydrophilic polymer substrate) as compared to the case of performing a surface treatment with 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 having more than 40% by mole and less than 100% by mole of a structural unit derived from furfuryl (meth)acrylate represented by Formula and more than 0% by mole and less than 60% by mole of a structural unit derived from ethylenically unsaturated monomer having a carboxylic group (the total of the structural unit and the structural unit is 100% by mole).

Abstract: An intracardiac pressure estimation device includes an acquisition unit, an input unit, and a control unit. The acquisition unit obtains cardiac function-related information related to a cardiac function. The input unit receives an input of load information indicating a load applied to a body of a person to be measured when the cardiac function-related information is measured. The control unit estimates an intracardiac pressure, which is a pressure applied to the inside of a heart or to a blood vessel near the heart, on the basis of the cardiac function-related information, obtains variation factor information, which is information indicating a variation factor that may affect the intracardiac pressure and includes the load information, and calculates an adjusted value of the intracardiac pressure according to the variation factor information.

Abstract: Provided is a medical indwelling object capable of shortening a period until complete occlusion of an aneurysm and endothelialization of an entrance part of the aneurysm. A flow diverter stent as a medical indwelling object is configured to be indwelled in a biological lumen. The flow diverter stent has a main body part and a filament made of a non-biodegradable material combined with the main body part. The filament is composed of a porous body having a large number of pores having a diameter in a range of 20 to 40 ?m, the pores all having a diameter falling within ±10%, arranged side by side, and each of the pores being communicated with at least three other of the pores.

Abstract: A catheter assembly includes: a catheter member including: a catheter having a lumen, and a catheter hub located at a proximal end of the catheter; a needle member including: an inner needle located in the lumen of the catheter, and an inner needle hub located at a proximal end of the inner needle; a catheter operation member attached to the catheter member; and a safety member configured to be movable with respect to the inner needle in an axial direction of the inner needle.

Abstract: An object of the present invention is to make control for friction compensation executed in a master-slave system more appropriate. A control system includes a master device, a slave device, and a control device. Furthermore, the control device includes a friction compensation control unit and a tactile force transmission unit. The friction compensation control unit calculates a force for assisting an operation in the master device with respect to friction generated in the slave device on the basis of a moving average of velocity of a movable portion in the slave device. The tactile force transmission unit assists the operation in the master device with a force calculated by the friction compensation control unit and controls tactile force transmission in the master device and the slave device.

Abstract: A catheter assembly includes: a catheter member including a hollow catheter shaft; a needle member including a hollow needle body located in a lumen of the catheter shaft; and a guide wire located in a lumen of the needle body. A distal end opening communicating with the lumen of the needle body is formed on a blade surface of a distal end of the needle body. A light emission unit configured to emit near-infrared light is located on a distal end of the guide wire. In a plan view in which the blade surface is viewed in a direction orthogonal to an axis of the needle body in an initial state, the light emission unit overlaps the distal end opening.

Abstract: A non-transitory computer-readable medium storing a computer program is provided that switches a method for acquiring biological information, in a stepwise manner, according to an abnormality degree of a health state. The program causes a computer to execute processing for determining an abnormality of a subject on a basis of first sensor information obtained from a first sensor and determining the abnormality of the subject on a basis of second sensor information obtained from a second sensor having a higher physical privacy disclosure degree than the first sensor or executing a test program regarding the abnormality on the subject, according to a determination result.

Abstract: A non-transitory computer-readable medium storing a computer program, an information processing method, and information processing apparatus that displays an index suitable for grasping a status of kidneys. The computer program causes a computer to execute processing of acquiring urine information including urinary oxygen tension, calculating a renal status index on the basis of the urine information, and outputting the renal status index. The urine information includes a urinary output, a urine flow rate, urinary color, urine absorbance, a urinary sodium amount, or a urinary creatinine amount, in addition to the urinary oxygen tension. The renal status index is an index related to an estimated value of renal artery blood flow, the urine information includes the urinary oxygen tension and the urine flow rate, and the renal status index is calculated on the basis of the urinary oxygen tension and the urine flow rate, by using a predetermined algorithm.