Abstract: Provided is an extracorporeal circulator capable of judging a timing suitable for detachment with high accuracy. The extracorporeal circulator includes a blood removal side catheter with a part that can be inserted into a patient and guide the blood taken from the patient; a pump that can take the blood from the patient and return the blood to the patient; a blood transfer side catheter provided downstream of the pump, and that has a part that can be inserted into the patient and guide the blood sent out from the pump back into the patient; a pump rotation speed detection unit that can detect a rotation speed of the pump; and a control system including at least one of an extracorporeal circulation management system that can judge stability of the extracorporeal circulation and a cardiac function measurement system that can judge stability of a heart function of the patient.

Abstract: An adhesion promotion device is disclosed, which is capable of reducing risk factors of an anastomotic leakage after surgery. The adhesion promotion device has a main body portion disposed between biological organs serving as a joint object. The main body portion has a first region and a second region formed along an outer edge of the first region. The second region includes an adhesion promotion portion that promotes adhesion of a biological tissue. The first region includes a holding portion having a holding force with respect to the biological tissue which is stronger than that of the adhesion promotion portion.

Abstract: A medical tube 10 includes a main shaft tube 20 that internally has a main shaft lumen 21, and a plurality of branch tubes 30 connected to each other at an intermediate position in an axial direction of the main shaft tube 20. The branch tube 30 has a branch lumen 31 through which pancreatic juice flows into the main shaft lumen 21. In a state where the main shaft tube 20 is inserted into a pancreas 100, a distal end of the branch tube 30 is disposed at a position separated outward from the main shaft tube 20 in a radial direction between the pancreas 100 and a jejunum 200.

Abstract: There is provided an applicator for ejecting together with a gas a mixed liquid obtained by mixing a first liquid and a second liquid which are different from each other in composition. The applicator includes a first liquid flow path through which the first liquid flows; a second liquid flow path through which the second liquid flows; a gas flow path through which the gas flows; a confluence section in which the first liquid and the second liquid merge; and a backflow preventing section that prevents backflow of the first liquid and prevents backflow of the second liquid.

Abstract: There is provided an applicator including: a first liquid flow path through which a first liquid containing fibrinogen passes; a second liquid flow path through which a second liquid containing thrombin passes; a confluence section in which the first liquid and the second liquid merge with each other to form a mixed liquid; and a gas flow path through which a gas for jetting the mixed liquid passes. At least part of a wall portion defining the confluence section is composed of a gas-permeable membrane that is impermeable to the mixed liquid and permeable to the gas.

Abstract: A medical kit includes a liquid storage container in which a liquid is preliminarily stored, syringes, a first connector for connecting the liquid storage container and the syringes, and a regulating mechanism for collectively regulating limits of movement of gaskets of the syringes and. The syringes are collectively filled with the liquid by conducting an operation to feed out the liquid in the liquid storage container in a condition in which the liquid storage container and the syringes and in an empty state are connected through the syringes, until the limits of movement are regulated.

Abstract: A medical kit includes a liquid storage container in which a liquid is preliminarily stored, syringes, a first connector for connecting the liquid storage container and the syringes, and a regulating mechanism for collectively regulating limits of movement of gaskets of the syringes and. The syringes are collectively filled with the liquid by conducting an operation to feed out the liquid in the liquid storage container in a condition in which the liquid storage container and the syringes and in an empty state are connected through the syringes, until the limits of movement are regulated.

Abstract: A porous structure includes a polysaccharide and having a multitude of pores wherein an average pore size of the pores is not smaller than 40 ?m and a ratio of the number of pores having a pore size not smaller than 50 ?m to the total number of the pores is not less than 30%. The porous structure improves the solubility of a polysaccharide in water.

Abstract: A visually observable material for medical treatment, which is preferable as an adhesion preventive material and a hemostatic material for biological organisms includes a crosslinking composition comprising at least two components of a crosslinking polysaccharide derivative with an active ester group reactive with active hydrogen in the co-presence of an alkali, where the active ester group is preliminarily introduced in a side chain of a polysaccharide and the crosslinking polysaccharide derivative is not yet crosslinked, and a carbonate including at least one type of carbonate generating divalent carbonate ion in an amount at a mass ratio of 0.03 or more to the polysaccharide derivative.

Abstract: A steering control apparatus is provided with first and a second steering mechanisms serving to assist a steering force exerted by a driver via a steering wheel. The first steering mechanism employs a first electric motor to apply a rotational torque to a pinion shaft, and the second steering mechanism uses a hydraulic oil pressure to apply a thrusting force to a rack bar.

Abstract: A steering control apparatus is provided, including a steering wheel, steered wheels, a direction varying actuator to operate the steering control wheels, a steering reaction actuator to apply steering reaction torque to the steering wheel and steering controller. The steered wheels are mechanically disconnected from the steering wheel. The steering controller outputs control commands for controlling the direction varying actuator and the steering reaction actuator.

Abstract: A steering control system comprises a steering component, a turning component, and a backup mechanism for alternately mechanically separating and linking steering and turning components. A steer-by-wire control unit is provided for executing steer-by-wire control of a turning actuator to a turning angle corresponding to a steering condition and control of a steering reaction force actuator for imparting steering reaction force corresponding to the turning condition. A steering assistance control unit is selectively linked to the backup mechanism to executing steering assistance control for at least one of the steering reaction force actuator and the turning actuator. A control switching unit is provided for controlling a shift, under predetermined conditions, between control by the steer-by-wire control unit and control by the steering assistance control unit.

Abstract: A vehicle steering apparatus with improved safety securely detects whether or not a backup system is operable and comprises a steering shaft connected to the steering wheel; a reaction actuator connected to the steering shaft for adding a reaction force; a rack for steering a steered wheel; a steering actuator provided on the rack; a backup mechanism for connecting the steering shaft and the rack via a clutch, a first detection means or mechanism for detecting the condition of the steering shaft, a second detection means or mechanism for detecting the condition of the rack, and a backup operation monitoring means or mechanism for driving the steering actuator when the power source is energized, the backup operation monitoring means or mechanism selectively monitoring the operation of the backup mechanism based on the value detected by the first detection means or mechanism or the second detection means or mechanism or both.

Abstract: A steering device includes a first housing, first and second cables, and first and second sheaths. The first housing includes a first part that supports a rotatable first cable pulley, and a second part that is disposed for relative displacement with respect to the first part. The first cable is at least partially wound on the first cable pulley in a first direction of rotation. The second cable is at least partially wound on the first cable pulley in a second direction of rotation. The first sheath surrounds the first cable and extends between first and second ends, and the first end of the first sheath is coupled to the second part of the first housing. The second sheath surrounds the second cable and extends between first and second ends, and the first end of the second sheath is coupled to the second part of the first housing.

Abstract: To reduce the length in an axis direction of a steering unit and consequently to provide a vehicle steering apparatus with superior vehicle mountability, a steering apparatus for a vehicle has a steering unit, a reaction generating unit and a steered unit. The steering unit and the steered unit are mechanically separated. The apparatus includes a clutch that mechanically connects the steering unit and the steered unit, and a backup unit is provided between the clutch and the steered unit and transmits steering torque that is inputted from the steering unit, when the clutch is engaged, to the steered unit. A rotation conversion unit that outputs rotation in a rotation axis direction of the clutch that is different from the axis direction of the steering unit is provided between the reaction generating unit and the clutch.

Abstract: A vehicle steering device includes a cable, a pulley, and a securing portion. The cable transmits movement of an operating unit operated by a driver to a turning unit that turns a steering control wheel. The pulley winds up the cable. The securing portion secures an end of the cable to the pulley. A restricting member is provided at the pulley. The cable is wound up along a winding groove, which is formed in an outer peripheral surface of the pulley. As the pulley is rotated, the cable is brought into contact with the winding groove by the restricting member. The restricting member is disposed at a location that is separated from the securing portion along the winding groove by a predetermined length.

Abstract: A vehicle steering system is disclosed that includes a steering portion, a steered portion, and a clutch mechanism. The steering portion includes operations input mechanism and a reaction adding device. The steered portion includes steering controlled wheels and a steered force adding device. The clutch mechanism mechanically connects the steering portion and steered portion through an engagement. The clutch mechanism has a permanent magnet and an electromagnetic coil so as to form an electromagnetic clutch that releases when a current is applied such that a magnetic force in the direction that cancels a magnetic force of the permanent magnet is generated for the electromagnetic coil. The electromagnetic clutch engages when a current is not applied to the electromagnetic coil.

Abstract: A steering device includes a first housing, first and second cables, and first and second sheaths. The first housing includes a first part that supports a rotatable first cable pulley, and a second part that is disposed for relative displacement with respect to the first part. The first cable is at least partially wound on the first cable pulley in a first direction of rotation. The second cable is at least partially wound on the first cable pulley in a second direction of rotation. The first sheath surrounds the first cable and extends between first and second ends, and the first end of the first sheath is coupled to the second part of the first housing. The second sheath surrounds the second cable and extends between first and second ends, and the first end of the second sheath is coupled to the second part of the first housing.

Abstract: The present invention provides an automotive steer-by-wire device that reduces occurrence of mis-engagement that has plagued previous devices. The automotive steering device of the present invention is equipped with a backup unit that engages and releases, an operating unit and a rotary steering unit, wherein the backup unit includes a backup clutch, configured by an outer ring, an inner ring, and rollers. The rollers are provided so as work with one with a lower rotational speed between the outer ring and the inner ring, in a state that the rollers release the outer ring and the inner ring.

Abstract: A vehicle steering device includes a cable, a pulley, and a securing portion. The cable transmits movement of an operating unit operated by a driver to a turning unit that turns a steering control wheel. The pulley winds up the cable. The securing portion secures an end of the cable to the pulley. A restricting member is provided at the pulley. The cable is wound up along a winding groove, which is formed in an outer peripheral surface of the pulley. As the pulley is rotated, the cable is brought into contact with the winding groove by the restricting member. The restricting member is disposed at a location that is separated from the securing portion along the winding groove by a predetermined length.