CABLE FOR MEDICAL INSTRUMENTS

摘要

The invention relates to an electrical cable (100) for exchanging communication signals between two devices, particularly a cable (100) that can be integrated into a catheter or a guidewire (5). The cable (100) comprises at least one pair (120, 130) of differential wires (D1+, D1−, D2+, D2−) that are, during operation, supplied with opposite voltages, thus defining a voltage-neutral plane (VNP) between them. Moreover, the cable (100) comprises at least one set (140) of single-ended wires (S11, S12; S21, S22; S31, S32) that is arranged symmetrically with respect to said voltage-neutral plane (VNP). Optionally a core wire (110) may be used for providing mechanical stability and additional electrical functionality. Electromagnetic disturbances from the differential wires to the single-ended wires (and vice versa) are minimized due to the particular arrangement of wires.

主权项

1. An electrical high speed cable assembly (100, 200) for exchanging communication signals between two devices (1, 2), comprising:
a) at least one pair (120, 130, 220, 230) of “differential wires” (D1+, D1−, D2+, D2−) which define a voltage-neutral plane (VNP) between them as the plane in which voltage is approximately zero when only the differential wires are supplied with opposite voltages; b) at least one set (140, 240) of “single-ended wires” (S11, S12; S21, S22; S31, S32) having a configuration that is symmetrical with respect to the voltage-neutral plane (VNP) and a core wire that provides mechanical stability.