| 主权项 |
1. A guidewire positioning tool, comprising:
a sheath having a bore extending axially through a length of the sheath, the bore having a slot extending radially from the bore, the bore and slot configured to receive a guidewire; a collet portion extending laterally from the sheath, the collet having collet arms and interstitial spaces, a bore extending axially through a length of the collet portion, the bore having a slot extending radially from the bore, the bore and slot configured to receive a guidewire, the collet arms having threads located on the exterior of the collet arms, where when the collet portion is in an open position the collet arms extend farther from the bore at their ends distal the sheath than at their ends proximal the sheath; a clamp nut positioned over the collet portion and configured to threadably engage the threads, the clamp nut proximal the sheath when the collet portion is in the open position and the clamp nut distal the sheath when the collet portion is in a locked position; and a retainer rotatably attached to an end of the sheath opposite from the collet portion, the retainer having a bore extending axially through a length of the retainer, the bore having a slot extending radially from the bore, the bore and slot configured to receive a guidewire. |
