Patent ID: 11871971
Assignee: NUVASIVE SPECIALIZED ORTHOPEDICS, INC
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A method of changing a bone angle, the method comprising:
creating an open wedge osteotomy between a first portion and a second portion of a tibia of a patient, wherein the first portion of the tibia remains hingedly attached to the second portion of the tibia;
creating a first cavity in the tibia by removing bone material along a first axis extending from a tibial plateau of the tibia along a medullary canal of the tibia;
inserting an excavation device through an opening in the tibial plateau and into the first cavity;
using the excavation device, forming a second cavity to one side of the first cavity;
removing the excavation device from the first cavity;
inserting a non-invasively adjustable wedge osteotomy device into the first cavity, the non-invasively adjustable wedge osteotomy device comprising:
an outer housing;
an inner shaft telescopically disposed within the outer housing; and
a driving element configured to be remotely operable to telescopically displace the inner shaft in relation to the outer housing;

securing the non-invasively adjustable wedge osteotomy device within the second cavity;
coupling one of the outer housing or the inner shaft to the first portion of the tibia;
coupling the other of the outer housing or the inner shaft to the second portion of the tibia; and
remotely operating the driving element to telescopically displace the inner shaft relative to the outer housing, thereby changing an angle between the first portion and the second portion of the tibia.