Wire guide having a rib for coil attachment

摘要

The present invention generally relates to a medical surgical device and specifically a wire guide for percutaneous placement within a body cavity. In one embodiment, the wire guide includes an elongated core member having a proximal stop and a distal stop and a rib positioned between the proximal stop and the distal stop. A first coil is positioned over the elongated core member and extends between the proximal stop and the rib. A second coil is positioned over the elongated core member and extends between the rib and the distal stop.

主权项

1. A wire guide comprising:
a distal tip, an elongated core member extending from a proximal stop to a distal end and comprising a raised portion between the proximal stop and the distal end, wherein the distal end attaches to the distal tip, a first coil positioned over the elongated core member and extending from the proximal stop to the raised portion, and a second coil positioned over the elongated core member and extending from the raised portion to the distal end, wherein the first coil and the second coil attach to the raised portion and wherein the raised portion is formed by grinding a portion of the elongated core element.