Patent ID: 11890043
Assignee: NUVASIVE SPECIALIZED ORTHOPEDICS, INC
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 17:
18. A distraction and retraction device comprising:
a housing having an actuator positioned therein;
a driver coupled to the actuator and configured to rotate at least partially within and relative to the housing upon actuation of the actuator, wherein the driver includes an external thread;
a moveable member having an internal thread configured to engage with the external thread of the driver; and
a rod at least partially disposed within the moveable member,
wherein actuation of the actuator in one direction causes the rod to translate longitudinally along an exterior of the housing such that an overall length of the device increases, and wherein actuation of the actuator in another, opposite direction causes the rod to translate along the exterior of the housing such that an overall length of the device decreases, and wherein the actuator is longitudinally fixed with respect to the housing.