Patent ID: 11857226
Assignee: NUVASIVE SPECIALIZED ORTHOPEDICS, INC
Field: Medical technology (Instruments)
Classification: CPC A  Y | IPC A

Claim 0:
1. A distraction device for manipulating a portion of a skeletal system of a subject, the distraction device comprising:
a monolithic member having a first end and a second end, the first end configured for attachment to a first portion of the skeletal system and the second end comprising a housing having an axially extending cavity;
a distraction rod having a first end and a second end, the first end having an inner threaded cavity extending along at least a portion of a length thereof, the first end configured to be coaxial and movable within the axially extending cavity of the housing, and the second end configured to extend from the axially extending cavity of the housing, and further configured for attachment to a second portion of the skeletal system;
a lead screw having threads disposed thereon, wherein the threads of the lead screw are configured to engage with the threaded cavity of the distraction rod;
a rotatable, radially poled magnet rotationally coupled to the lead screw, wherein a rotation of the magnet is configured to cause rotation of the lead screw;
wherein the magnet and at least a portion of the first end of the distraction rod are configured to be inserted at least partially within the axially extending cavity of the housing, and the distraction rod and the monolithic member are in coaxial relation to one another, and
wherein the magnet is rotatable relative to the monolithic member and axially locked relative to the monolithic member, and the distraction rod is rotationally locked relative to the monolithic member.