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Resources / Publications

Scientific Publication Citing Dragonfly

Patient-specific glenoid depht control

Nathan A. Winslow (1)
United States Patent, February 2017


Patient-specific, Shoulder arthroplasty, Implant, Shoulder joint replacement, Reaming device, Alignment guide, Glenoid, Bone preparation guide


A system for reaming a bone including a guiding wire configured to be attached to the bone; a tubular depth guide configured to cover at least a portion of the guiding wire, the tubular depth guide including a first end configured to abut the bone, and a second end opposite the first end; a reaming device including an elongate recess therein that extends between a reaming tool of the reaming device and an interior of a handle of the reaming device, wherein the elongate recess is configured to receive each of the guiding wire and depth guide therein, the elongate recess includes a reduced diameter section that defines a shoulder, and the shoulder is designed to abut the second end of the tubular depth guide to control a depth to which the bone is reamed.

How Our Software Was Used

Dragonfly was used for computer modeling to obtain three-dimensional computer images of the patient's anatomy. Design of patient-specific implants and associated tools, including, for example, alignment guides, cutting/milling/reaming/broaching or other tools for the surgical preparation of the joint.

Author Affiliation

(1) Biomet Manufacturing LLC, Warsaw, IN (US).

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