Medical Apparatus: Imaging Guide to Orthopedic Devices

Gallery of Orthopedic Medical Devices


Neck & Spine Gallery

Fracture Fixation Gallery

Joint Arthroplasty Gallery 


Complications of Orthopedic Apparatus

Gallery References



Gallery of Orthopedic Medical Devices - Joint Arthroplasty continued

By Tim B. Hunter, MD and Mihra S. Taljanovic, MD, PhD


Gallery of Joint Arthroplasty Devices - Elbow and Forearm

Distal radioulnar joint hemiarthroplasty Distal ulna and distal radioulnar joint reconstruction with Rush rod and methylmethacrylate  
Left distal radioulnar joint hemiarthroplasty Left distal radioulnar hemiarthroplasty Left forearm reconstruction Left forearm reconstruction
66 year-old man who fell from ladder with multiple injuries to the left elbow, left forearm, and left wrist. A distal radioulnar hemiarthroplasty restores the ulnar aspect of the left wrist joint. There are fracture fixation plates in the radial and ulnar shafts. A variable pitch headless screw stabilizes a scaphoid fracture. 66 year-old woman with distal ulnar resection for treatment of a leiomyosarcoma.
APTIS DRUJ (distal radioulnar joint) prosthesis Coonrad-Murrey Total elbow prosthesis Semiconstrained elbow arthroplasty
Left wrist DRUJ prosthesis Left wrist DRUJ prosthesis Total elbow prosthesis Semiconstrained elbow arthroplasty
70 year-old woman with past fractures of distal radius and ulna and development of positive ulnar variance and disabling ulnar abutment syndrome. Image used with permission From Zimmer Biomet. Image reproduced with permission from OrthoInfo. © American Academy of Orthopaedic Surgeons


Total elbow prosthesis   Proximal interphalangeal joint (PIP) arthroplasty and distal interphalangeal joint (DIP) fusion with headless variable pitch Acutrak (Acumed) compression fixation screw Bipolar radial head prosthesis, tension band wiring, and two Kirschner wires Ulnar head prosthesis in a patient with end stage rheumatoid arthritis
Total elbow prosthesis PIP arthroplasty; DIP fusion Radial head prosthesis Ulnar head prosthesis
A-Stemmed design with hinged articulation. B-Resurfacing design with non-constrained interface. From Hunter, 1994   From Hunter, 1994  
Olecranon plate and screws plus unipolar radial head prosthesis
Comminuted elbow fractures frontal view Comminuted elbow fractures lateral view Right elbow radial head prosthesis frontal view Right radial head prosthesis lateral view
35 year-old man who fell and sustained comminuted olecranon and radial head fractures. He was treated with olecranon plate and screws as well as a unipolar radial head prosthesis. Courtesy Lana Hirai Gimber, MD, MPH
Bipolar radial head prosthesis Nexel Total Elbow Prosthesis  
Left radial head prosthesis Left radial head prosthesis Zimmer Nexel Total Elbow Prosthesis  
57 year-old woman who sustained left radial head and neck fractures eventually treated by a bipolar radial head prosthesis. Image used with permission From Zimmer Biomet.  
Radiocapitellar arthroplasty   Silicone replacement of radial head and neck  
Left elbow radiocapitellar arthroplasty Left elbow radiocapitellar arthroplasty Radial head silicone prosthesis Radial head silicone replacement
74 year-old woman with severe comminuted right radial head fracture treated by removal of the radial head and placement of a radiocapitellar arthroplasty.      

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Gallery of Arthroplasty Devices continued...




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Tim Hunter

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