Patent ID: 11896501
Assignee: NUVASIVE, INC.
Field: Medical technology (Instruments)
Classification: CPC A  F | IPC A  F

Claim 0:
1. An expansion driver configured to adjust an expandable implant, comprising:
a first driver having a first gear disposed at a first end thereof, and a second end that is opposite the first end and configured to engage a first actuator of the expandable implant;
a second driver having a second gear disposed at a first end thereof, and a second end that is opposite the first end and configured to engage a second actuator of the expandable implant, the first driver disposed about the second driver and the second gear opposing the first gear;
a housing configured to enclose at least a portion of a shaft of the first driver and at least a portion of a shaft of the second driver;
a handle disposed over the housing and having at least one bevel gear rotatably attached thereto, the at least one bevel gear configured to engage each of the first gear and the second gear; and
a threaded cap configured to engage the handle to secure the first end of the first driver and the first end of the second driver within the handle;
the handle being operably connected to the first gear of the first driver and the second gear of the second driver, wherein upon a rotation of the handle, a torque is applied to at least one of the first driver or the second driver, thereby adjusting the expandable implant.