Abstract: A medical device includes an elongated medical device body; a first operating line and a second operating line inserted in an axial direction of the medical device body; and a bending operating part for performing a bending operation of a distal end part of the medical device body by pulling the first and second operating lines, at an intermediate part and a proximal end part in the axial direction of the medical device body, the first and second operating lines extending in parallel so as to be spaced apart from each other in a circumferential direction of the medical device body, and at the distal end part in the axial direction of the medical device body, the first and second operating lines being curved and joined together so as to approach each other in the circumferential direction of the medical device body gradually toward a distal end side.

Abstract: A medical device includes a medical device body, first and second operating lines inserted in axial direction of the device body, and a bending operating part that pulls the operating lines to perform bending operation of a distal end part of the device body. The device body has the distal end part in the axial direction such that the operating lines are gradually curved and approach each other in circumferential direction of the device body toward a distal end side in the distal end part. The device body has a curved region and a parallel region such that in the curved region, the operating lines gradually curve and approach each other in the circumferential direction toward the distal end side and that in a parallel region, the operating lines extend in parallel to each other between the distal end of the curved region and distal ends of the operating lines.

Abstract: A tubular body includes an elongated inner layer that demarcates a main lumen; a wire reinforcing layer that is formed by winding a reinforcing wire around the inner layer; a resinous elongated sub-tube that is arranged so as to extend along a longitudinal direction of the main lumen outside the wire reinforcing layer and demarcates a sub-lumen having a smaller diameter than the main lumen; a resinous outer layer that sheaths the wire reinforcing layer and the sub-tube; and a retaining wire. An operating wire is movably inserted through the sub-lumen, and has a tip connected to a distal portion of the tubular body. An operating part is operated to pull the operating wire to bend the distal portion of the tubular body. The retaining wire is sheathed by the outer layer, and winds together the sub-tube and the wire reinforcing layer.

Abstract: The present disclosure provides a medical instrument, including a tubular main body; a plurality of operating lines; an operating part main body provided on the base end portion of the tubular main body; a bending operating part which is configured to bend a distal portion of the tubular main body; a path defining part which is configured to define a path of the operating line in the bending operating part; and a deviation preventive member which is configured to prevent the operating line from deviating from a path defined by the path defining part; wherein the operating line becomes in a relaxed state when the bending operating part is in a fixation position, while the operating line becomes in a strained state when the bending operating part is in an operation position.

Abstract: A medical device is provided, including: a sheath portion (10); a pair of operation wires (30); and a turning operation portion (60) in which the sheath portion (10) is bent in a direction corresponding to the pulled one operation wire (30) through a turning operation. The turning operation portion (60) includes a wire fixation panel (64) around which the operation wires (30) are wound on a side peripheral surface; and a penetration portion (63c) and a closing portion (63d) which are provided further radially outwards than the side peripheral surface of the wire fixation panel (64) and at a position facing the side peripheral surface, so as to be integrated with the wire fixation panel (64).

Abstract: A medical device includes an elongated medical device body; a first operating line and a second operating line that are inserted in an axial direction of the medical device body; and a bending operating part for performing a bending operation of a distal end part of the medical device body by pulling the first operating line and the second operating line, in which at an intermediate part and a proximal end part in the axial direction of the medical device body, a first operating line and a second operating line extend in parallel so as to be spaced apart from each other in a circumferential direction of the medical device body, and at a distal end part in the axial direction of the medical device body, the first operating line and the second operating line are gradually curved so as to approach each other in the circumferential direction of the medical device body toward a distal end side and joined together.

Abstract: The invention provides a medical device or the like including an elongated medical device body; a first operating line and a second operating line that are inserted in an axial direction of the medical device body; and a bending operating part for performing a bending operation of a distal end part of the medical device body by pulling the first operating line and the second operating line, at an intermediate part and a proximal end part in the axial direction of the medical device body, the first operating line and the second operating line extending in parallel so as to be spaced apart from each other in a circumferential direction of the medical device body, and at a distal end part in the axial direction of the medical device body, the first operating line and the second operating line being curved and joined together so as to approach each other in the circumferential direction of the medical device body gradually toward a distal end side.

Abstract: A method for manufacturing a catheter includes a process of supplying a resin material in a melted state to the periphery of a core wire (90) and molding a hollow tube (82) having the core wire (90) inserted thereinto; a process of arranging the hollow tube (82) having the core wire (90) inserted thereinto, on an outer peripheral side of a main lumen forming region of a tubular body part (10) made of resin; a process of extracting the core wire (90) from the inside of the hollow tube (82) to form a sublumen after the core wire (90) inside the hollow tube (82) is elongated and reduced in diameter to peel off the hollow tube (82) and the core wire (90), and a process of inserting an operating wire into the hollow tube (82).

Abstract: The present disclosure provides a medical instrument, including a tubular main body; a plurality of operating lines; an operating part main body provided on the base end portion of the tubular main body; a bending operating part which is configured to bend a distal portion of the tubular main body; a path defining part which is configured to define a path of the operating line in the bending operating part; and a deviation preventive member which is configured to prevent the operating line from deviating from a path defined by the path defining part; wherein the operating line becomes in a relaxed state when the bending operating part is in a fixation position, while the operating line becomes in a strained state when the bending operating part is in an operation position.

Abstract: The present disclosure provides a catheter including a reinforcing wire layer wound on a main lumen; a first marker having a ring shape, and a second marker having a ring shape and positioned closer to a proximal side than the first marker, each the first and second markers being provided around the reinforcing wire layer and containing a radiopaque metallic material; and an outer layer including the reinforcing wire layer, the first marker, and the second marker. The reinforcing wire layer is formed in a layer beneath the first marker and the second marker, and at least a part of a region between the first marker and the second marker is a non-forming region in which the reinforcing wire layer is not formed.

Abstract: A catheter of the invention includes an elongated flexible tubular main body; a plurality of manipulation wires inserted through the tubular main body and having tips connected to a distal part of the tubular main body; a manipulation-part main body provided at a base end of the tubular main body; and a bending manipulation part. The bending manipulation part has an engagement part engaging with base ends of the manipulation wires, and individually applies pulling force to the plurality of manipulation wires through pulling operations so as to bend the distal part of the tubular main body. The bending manipulation part is provided so as to be movable with respect to the manipulation-part main body. The path lengths of the plurality of manipulation wires from the tips thereof to the engagement part are simultaneously increased or decreased when the bending manipulation part and the manipulation-part main body move relative to each other.

Abstract: The present invention relates to a medical instrument capable of enhancing the slidability of an operating wire in a lumen. The medical instrument (for example, a catheter (10) of the present invention) includes: a medical instrument body (a sheath (16)) which has a long length and flexibility and is inserted into a body cavity; a lumen (for example, a sub-lumen (30)) which is formed in the medical instrument body along a longitudinal direction of the medical instrument body; and an operating wire (40). The operating wire (40) is accommodated in the lumen, extends along a longitudinal direction of the lumen, and is slidable in the longitudinal direction of the lumen, and the medical instrument body can be bent by an operation of pulling the operating wire (40). A lubricating liquid (45) adheres to at least a surface of the operating wire (40).

Abstract: A medical device is provided, including: a sheath portion (10); a pair of operation wires (30); and a turning operation portion (60) in which the sheath portion (10) is bent in a direction corresponding to the pulled one operation wire (30) through a turning operation. The turning operation portion (60) includes a wire fixation panel (64) around which the operation wires (30) are wound on a side peripheral surface; and a penetration portion (63c) and a closing portion (63d) which are provided further radially outwards than the side peripheral surface of the wire fixation panel (64) and at a position facing the side peripheral surface, so as to be integrated with the wire fixation panel (64).

Abstract: A catheter of the invention includes an elongated flexible tubular main body; a plurality of manipulation wires inserted through the tubular main body and having tips connected to a distal part of the tubular main body; a manipulation-part main body provided at a base end of the tubular main body; and a bending manipulation part. The bending manipulation part has an engagement part engaging with base ends of the manipulation wires, and individually applies pulling force to the plurality of manipulation wires through pulling operations so as to bend the distal part of the tubular main body. The bending manipulation part is provided so as to be movable with respect to the manipulation-part main body. The path lengths of the plurality of manipulation wires from the tips thereof to the engagement part are simultaneously increased or decreased when the bending manipulation part and the manipulation-part main body move relative to each other.

Abstract: A tubular body includes an elongated inner layer that demarcates a main lumen; a wire reinforcing layer that is formed by winding a reinforcing wire around the inner layer; a resinous elongated sub-tube that is arranged so as to extend along a longitudinal direction of the main lumen outside the wire reinforcing layer and demarcates a sub-lumen having a smaller diameter than the main lumen; a resinous outer layer that sheaths the wire reinforcing layer and the sub-tube; and a retaining wire. An operating wire is movably inserted through the sub-lumen, and has a tip connected to a distal portion of the tubular body. An operating part is operated to pull the operating wire to bend the distal portion of the tubular body. The retaining wire is sheathed by the outer layer, and winds together the sub-tube and the wire reinforcing layer.

Abstract: There is provided a medical device which has favorable operation wire, operability and has a sufficiently reinforced structure around the operation wire. The medical device includes a medical device body; a sub-lumen which is disposed inside the medical device body so as to extend along a longitudinal direction of the medical device body; an operation wire which is inserted into the sub-lumen and extends along the longitudinal direction of the medical device body; and a first tubular reinforcing layer and a second tubular reinforcing layer. The second reinforcing layer is disposed apart from the first reinforcing layer so as to surround the periphery of the first reinforcing layer, and the space between the first reinforcing layer and the second reinforcing layer is filled with a part of a resin constituting the medical device body. The sub-lumen is disposed inside the part of the resin constituting the medical device body.

Abstract: A method for manufacturing a catheter includes a process of supplying a resin material in a melted state to the periphery of a core wire (90) and molding a hollow tube (82) having the core wire (90) inserted thereinto; a process of arranging the hollow tube (82) having the core wire (90) inserted thereinto, on an outer peripheral side of a main lumen forming region of a tubular body part (10) made of resin; a process of extracting the core wire (90) from the inside of the hollow tube (82) to form a sublumen after the core wire (90) inside the hollow tube (82) is elongated and reduced in diameter to peel off the hollow tube (82) and the core wire (90), and a process of inserting an operating wire into the hollow tube (82).

Abstract: The present invention relates to a medical instrument capable of enhancing the slidability of an operating wire in a lumen. The medical instrument (for example, a catheter (10) of the present invention) includes: a medical instrument body (a sheath (16)) which has a long length and flexibility and is inserted into a body cavity; a lumen (for example, a sub-lumen (30)) which is formed in the medical instrument body along a longitudinal direction of the medical instrument body; and an operating wire (40). The operating wire (40) is accommodated in the lumen, extends along a longitudinal direction of the lumen, and is slidable in the longitudinal direction of the lumen, and the medical instrument body can be bent by an operation of pulling the operating wire (40). A lubricating liquid (45) adheres to at least a surface of the operating wire (40).

Abstract: Provided is a medical instrument which can reliably protect a sub-lumen and a method of manufacturing the medical instrument. In such a medical instrument, a catheter includes a resin tubular main body (sheath), in which a main lumen and a sub-lumen which is disposed on an outer peripheral side of the main lumen and extends along a longitudinal direction of the main lumen, are formed; a reinforcement layer which is disposed between the main lumen and the sub-lumen and surrounds the main lumen; and a wire which is disposed further on an outer peripheral surface side of the tubular main body than the sub-lumen and is disposed so as to surround the outer periphery of the main lumen. The wire is embedded in the tubular main body and supports the outer peripheral surface of the tubular main body.

Abstract: Disclosed is an electronic component package (100) including a circuit board (10), an electronic component (20), and an adhesive layer (30). The circuit board (10) is provided with an electrically-conductive conductor post (16) which is buried in a base member (12), and a solder layer (18) which is provided at the front end (13) of the conductor post (16) while exposed from a surface (121) of the base member (12). An electrode pad (24) having a metal layer (22) mounted thereon is provided on the main surface (26) of the electronic component (20). The adhesive layer (30) contains a flux activating compound, and bonds the surface (121) of the base member (12) and the main surface (26) of the electronic component (20). Then, the metal layer (22) and the solder layer (18) are metal-bonded.