Coaxial video push-cables are disclosed. One embodiment includes a central conductor and a multi-dielectric stack of multiple concentric tubular layers disposed around the central conductor having one or more structural layers and one or more impedance tuning layers where the thickness of materials of each layer are selected to provide a pre-defined elastic modulus and electromagnetic impedance, an electromagnetic shielding layer, and a jacket enclosing the shielding layer, multi-dielectric stack layers, and central conductor.

A medical coaxial connector includes: an internal conductor configured to be electrically connected to an other-side inner conductor when the medical coaxial connector is connected to an other-side medical coaxial connector; an outer conductor electrically connected to the inner conductor, formed in a tubular shape surrounding the inner conductor, and configured to be electrically connected to an other-side outer conductor when the medical coaxial connector is connected to the other-side medical coaxial connector; and an insulating body that is placed on inner periphery side of the outer conductor and formed in a cylindrical shape surrounding the inner conductor. The insulating body is configured to be placed on inner periphery side of the other-side outer conductor and a leading end of the insulating body in a connection direction toward the other-side coaxial connector is configured to protrude more in the connection direction than the inner conductor.

An insulator may include a first insulator portion that is structurally configured to receive a portion of a center conductor portion of a coaxial cable extender and a second insulator portion that is structurally configured to receive at least a portion of the first insulator portion. The second insulator portion may comprise a higher dielectric constant than a dielectric constant of the first insulator portion such that the insulator may be structurally configured to enhance electrical performance of the coaxial cable extender.

Coaxial video push-cables are disclosed. One embodiment includes a central conductor and a multi-dielectric stack of multiple concentric tubular layers disposed around the central conductor having one or more structural layers and one or more impedance tuning layers where the thickness of materials of each layer are selected to provide a pre-defined elastic modulus and electromagnetic impedance, an electromagnetic shielding layer, and a jacket enclosing the shielding layer, multi-dielectric stack layers, and central conductor.

A cable includes: a linear conductor; a plurality of resin hollow tubes which are disposed around the conductor so that an air layer is formed around the conductor and which extend in a longitudinal direction of the conductor; an insulating protective member configured to protect the conductor and the plurality of hollow tube; and a partitioning portion provided in at least one hollow tube among the plurality of hollow tubes, the partitioning portion being configured to partition an interior of the hollow tube.

A cable includes: a linear conductor; a plurality of resin hollow tubes which are disposed around the conductor so that an air layer is formed around the conductor and which extend in a longitudinal direction of the conductor; and an insulating protective member configured to protect the conductor and the plurality of hollow tubes.

A cable comprises at least two conductors, an inner insulating layer, a conductive shielding layer, and an outer insulating layer. The at least two conductors extend longitudinally and are spaced apart from each other. The inner insulating layer is wrapped around an outside of the at least two conductors and fixes their position. The conductive shielding layer is circumferentially wrapped around an outer peripheral surface of the inner insulating layer. The outer insulating layer includes a full-longitudinally wrapping structure attached onto an outer peripheral surface of the conductive shielding layer. The full-longitudinally wrapping structure is formed in a tubular shape circumferentially wrapped around an outside of the whole conductive shielding layer and extends continuously and longitudinally along the entire length of the cable.

A medical coaxial connector includes: an internal conductor configured to be electrically connected to an other-side inner conductor when the medical coaxial connector is connected to an other-side medical coaxial connector; an outer conductor electrically connected to the inner conductor, formed in a tubular shape surrounding the inner conductor, and configured to be electrically connected to an other-side outer conductor when the medical coaxial connector is connected to the other-side medical coaxial connector; and an insulating body that is placed on inner periphery side of the outer conductor and formed in a cylindrical shape surrounding the inner conductor. The insulating body is configured to be placed on inner periphery side of the other-side outer conductor and a leading end of the insulating body in a connection direction toward the other-side coaxial connector is configured to protrude more in the connection direction than the inner conductor.

A wiring harness includes an electric wire having a conductor part and an insulator, the insulator covering an outer periphery of the conductor part and containing a plasticizer, and a coaxial wire having an internal conductor, an internal insulator, an external conductor, and a sheath, the internal insulator provided on an outer periphery of the internal conductor, the external conductor provided on an outer periphery of the internal insulator, and the sheath covering an outer periphery of the external conductor. The coaxial wire is arranged adjacent to the electric wire. The coaxial wire comprises a film layer which is provided between the internal insulator and the external conductor and which prevents transfer of the plasticizer. A contact force between the internal insulator and the film layer is 1N or more.

A cable includes: a core wire; a sheath covering the core wire; a shielding layer covering the sheath; and an outer insulating layer covering the shielding layer; wherein the core wire includes a pair of inner core wires and an insulating layer covering the pair of inner core wires by extrusion molding, each of the pair of inner core wires includes an inner conductor and an inner insulating layer covering the inner conductor, and the sheath wraps the insulating layer in a spiral winding way.