Abstract: A treatment method is disclosed, which includes preparing a catheter assembly by inserting an inner catheter into an outer catheter and screwing a protrusion of the outer catheter into a helical groove of the inner catheter; introducing the catheter assembly into the radial artery along a guide wire; pushing the catheter assembly along the guide wire to a target site in front of a stenosis of a blood vessel; releasing the screwing between the helical groove of the inner catheter and the protrusion of the outer catheter after a distal end of the catheter assembly reaches the target site; and causing the outer catheter to abut on at least a part of wall surfaces of a thoracic aorta and an abdominal aorta while drawing a helix and causing the treatment device to protrude from a distal end of the outer catheter at the stenosis.

Abstract: An elongated medical body includes a main body portion extending in an axial direction and including a guide wire lumen through which a guide wire can pass, a shaft portion extending in the axial direction and connected to a proximal end side of the main body portion, and a guide wire port which is provided at a connection point between the main body portion and the shaft portion, and through which the guide wire can enter and exit, and an inner diameter of the guide wire lumen is equal to or larger than an outer diameter of the shaft portion.

Abstract: A catheter includes an outward protruding portion provided at a distalmost end portion and protruding outward in a radial direction; and an inward protruding portion provided at the distalmost end portion and protruding inward in the radial direction.

Abstract: An elongated medical body having a resistance that is constantly 10 gf or less when a tube is moved 100 times while the elongated medical body is clamped at 500 gf between a pair of abutting members.

Abstract: A method for inserting a catheter assembly into a vessel using a storage case in which an outer pipe body and an inner pipe body which accommodate a guiding catheter and an inner catheter are connected to each other includes: pulling out the inner catheter from the inner pipe body, inserting the inner catheter into a proximal opening portion of the guiding catheter, causing a locking rotation portion of the inner catheter to rotate and be connected to a locking projection portion of the guiding catheter, assembling the guiding catheter and the pulled-out inner catheter, pulling-out, from the outer pipe body, the guiding catheter which is in a state where the inner catheter is assembled, taking out, from the storage case, a catheter assembly assembled by the guiding catheter and the pulled-out inner catheter, and inserting the catheter assembly into a vessel.

Abstract: A program creation support program to display devices that store data indicating the operating status of a control system and associated device values, based on a control program executed by a control apparatus, causes a computer to perform a dependency relationship extraction step of extracting the dependency relationships between the devices described in the control program, a log data input step of acquiring, as log data information, log data collected by the control apparatus during the operation of the control system, based on recording setting information describing a condition for collecting the log data information, a display information generation step of generating display information that visualizes the dependency relationships and visualizes the device values associated with the devices, based on the dependency relationships and the log data information, and a generation result output step of displaying the display information.

Abstract: A catheter assembly in which a microcatheter of an over-the-wire type is a first catheter and is inserted into a lumen of a guiding catheter that is a second catheter. The first and second catheters are configured to make a clearance of greater than 0.1 mm and less than or equal 0.35 mm to reduce a step, so that a distal end opening of the guiding catheter is prevented from rubbing against an inner surface of a blood vessel in a way that would otherwise rupture plaque and scatter cholesterol crystals.

Abstract: A treatment method is disclosed, which includes preparing a catheter assembly by inserting an inner catheter into an outer catheter and screwing a protrusion of the outer catheter into a helical groove of the inner catheter; introducing the catheter assembly into the radial artery along a guide wire; pushing the catheter assembly along the guide wire to a target site in front of a stenosis of a blood vessel; releasing the screwing between the helical groove of the inner catheter and the protrusion of the outer catheter after a distal end of the catheter assembly reaches the target site; and causing the outer catheter to abut on at least a part of wall surfaces of a thoracic aorta and an abdominal aorta while drawing a helix and causing the treatment device to protrude from a distal end of the outer catheter at the stenosis.

Abstract: A catheter includes an elongated shaft extending in a longitudinal direction and possessing an outer surface, the shaft possessing a distal end, a proximal end and a proximal portion which includes the proximal end, a transverse direction being perpendicular to the longitudinal direction, the elongated shaft being an elongated tubular body having a lumen formed therein, and a tubular hub fixed by insert molding to the outer surface of the shaft along the proximal portion of the shaft. The hub possesses a residual stress at one predetermined location of the hub that exceeds the residual stress of the hub at each of: (i) a first position distal to the one predetermined location, (ii) a second position proximal to the one predetermined location, and (iii) a third position being at the one predetermined location in the longitudinal direction and spaced apart from the one predetermined location in the transverse direction.

Abstract: A design management apparatus (100) includes a conversion unit (12) and a test unit (13). The conversion unit (12) generates model information (403) that is a format of design information (303) being converted, the design information (303) being the design information (303) created in a process of mechanical design in an engineering chain, and generates model information (405) that is a format of design information (305) being converted, the design information (305) being the design information (305) created in a process of control design in the engineering chain. The test unit (13) associates the model information (403) and the model information (405) using entire reference information (22) that associates the model information (403) and the model information (405), and tests for consistency between the model information (403) and the model information (405) associated.

Abstract: A catheter that includes an inner layer forming the inner surface of a tubular catheter main body having a lumen, an outer layer forming the outer surface of the catheter main body, and multiple reinforcements embedded between the inner surface and the outer surface. The inner diameter of the catheter main body is D1, the outer diameter is D2, the wall thickness is T1, a thickness of each reinforcement is T2, an effective width of each reinforcement is W, and a total number of the multiple reinforcements is N. The catheter satisfies Expressions (1), (2), and (3): 0.050 mm?T1?0.100 mm??Expression (1) T2/T1?0.25??Expression (2) 60,000?(D1×D2×W×N)/(T12×T2)<1,000,000??Expression (3).

Abstract: A program creation support program to display devices that store data indicating the operating status of a control system and associated device values, based on a control program executed by a control apparatus, causes a computer to perform a dependency relationship extraction step of extracting the dependency relationships between the devices described in the control program, a log data input step of acquiring, as log data information, log data collected by the control apparatus during the operation of the control system, based on recording setting information describing a condition for collecting the log data information, a display information generation step of generating display information that visualizes the dependency relationships and visualizes the device values associated with the devices, based on the dependency relationships and the log data information, and a generation result output step of displaying the display information.

Abstract: A treatment method is disclosed, which includes preparing a catheter assembly by inserting an inner catheter into an outer catheter and screwing a protrusion of the outer catheter into a helical groove of the inner catheter; introducing the catheter assembly into the radial artery along a guide wire; pushing the catheter assembly along the guide wire to a target site in front of a stenosis of a blood vessel; releasing the screwing between the helical groove of the inner catheter and the protrusion of the outer catheter after a distal end of the catheter assembly reaches the target site; and causing the outer catheter to abut on at least a part of wall surfaces of a thoracic aorta and an abdominal aorta while drawing a helix and causing the treatment device to protrude from a distal end of the outer catheter at the stenosis.

Abstract: An information generation device (100) includes: a communication mediation unit (110) to mediate communication between a facility and management software that manages the facility; a data management unit (120) to store information including a facility type of the facility and a name of data of the facility, as management information to correspond to the facility, the name of data of the facility being used by the management software, and to update the stored management information on a basis of communication mediated by the communication mediation unit (110); and an update notification unit (130) to generate update information corresponding to update data, when the management information stored in the data management unit (120) is updated, if same-type facility data corresponding to a facility of a same type as a facility corresponding to the update data that is updated is stored in the data management unit (120).

Abstract: A catheter is disclosed having a distal end portion of a shaft with high breaking strength even if a wall thickness of the distal end portion of the shaft is relatively small. The catheter includes an elongated tube shaped shaft. The shaft has an inner layer having a lumen along a longitudinal direction, an outer layer covering an outer peripheral side of the inner layer, and a reinforcement body disposed on the outer peripheral side of the inner layer. The outer layer has a distal outer layer on a distal end portion of the shaft, an intermediate outer layer proximal to the distal outer layer, and a proximal outer layer proximal to the intermediate outer layer. The intermediate outer layer is more flexible and thicker than the proximal outer layer, and a distal end of the reinforcement body is located proximal to a distal end of the intermediate outer layer.

Abstract: A design management apparatus (100) includes a conversion unit (12) and a test unit (13). The conversion unit (12) generates model information (403) that is a format of design information (303) being converted, the design information (303) being the design information (303) created in a process of mechanical design in an engineering chain, and generates model information (405) that is a format of design information (305) being converted, the design information (305) being the design information (305) created in a process of control design in the engineering chain. The test unit (13) associates the model information (403) and the model information (405) using entire reference information (22) that associates the model information (403) and the model information (405), and tests for consistency between the model information (403) and the model information (405) associated.

Abstract: A catheter includes: a catheter shaft; and a hub on a proximal side of the catheter shaft. The catheter shaft includes a shaft inner surface inclined portion at a proximal portion, the diameter of which increases proximally such that the shaft inner surface inclined portion forms an angle with the catheter central axis. The hub includes a first hub inner surface inclined portion continuous from the shaft inner surface inclined portion and inclined at the same inclination angle as the shaft inner surface inclined portion, and a second hub inner surface inclined portion proximal of the first hub inner surface inclined portion. The second hub inner surface inclined portion inclination angle differs from the first hub inner surface inclined portion inclination angle. The hub does not cover an inner peripheral surface of the catheter shaft in an interlock portion in which the catheter shaft and the hub are interlocked together.

Abstract: A catheter includes an elongated shaft extending in a longitudinal direction and possessing an outer surface, the shaft possessing a distal end, a proximal end and a proximal portion which includes the proximal end, a transverse direction being perpendicular to the longitudinal direction, the elongated shaft being an elongated tubular body having a lumen formed therein, and a tubular hub fixed by insert molding to the outer surface of the shaft along the proximal portion of the shaft. The hub possesses a residual stress at one predetermined location of the hub that exceeds the residual stress of the hub at each of: (i) a first position distal to the one predetermined location, (ii) a second position proximal to the one predetermined location, and (iii) a third position being at the one predetermined location in the longitudinal direction and spaced apart from the one predetermined location in the transverse direction.

Abstract: A method for inserting a catheter assembly into a vessel using a storage case in which an outer pipe body and an inner pipe body which accommodate a guiding catheter and an inner catheter are connected to each other includes: pulling out the inner catheter from the inner pipe body, inserting the inner catheter into a proximal opening portion of the guiding catheter, causing a locking rotation portion of the inner catheter to rotate and be connected to a locking projection portion of the guiding catheter, assembling the guiding catheter and the pulled-out inner catheter, pulling-out, from the outer pipe body, the guiding catheter which is in a state where the inner catheter is assembled, taking out, from the storage case, a catheter assembly assembled by the guiding catheter and the pulled-out inner catheter, and inserting the catheter assembly into a vessel.

Abstract: A storage case accommodates a plurality of medical elongated bodies, which are assembled when used, and includes a plurality of pipe bodies wound to form a ring-like shape that are connected to each other in order to accommodate each of the medical elongated bodies, and a package case that collectively accommodates the plurality of connected pipe bodies. At least two of the pipe bodies are disposed side by side so as to overlap each other in a state in which the center axes of winding are deviated, and the pipe bodies have opening portions arranged so that the medical elongated bodies can be assembled within the storage case using no more than two hands.