Caudal Mandibular Fractures

2019
25
MAR
Peter Southerden
Peter Southerden

We have been collaborating with James Sage and Dan Jones from Fusion Implants and Ben Walton from ChesterGates Veterinary Specialists to design a range of 3D printed custom Titanium plates for caudal mandibular fractures in cats.

Data was taken from a number of CT scans of un-fractured mandibles and used to design a range of custom plates that should fit most cats and be suitable for the common fracture patterns in this area. Caudal mandibular fractures in cats are challenging because the ramus is usually less than 2.5cm tall, in some areas only 1.5mm thick and access to the surgical site is limited.

We used a plate for the first case last week on a vertical fracture of the right mandibular ramus. The plate adapted to the mandible and helped to reduce the fracture very well and our patient was eating the day after surgery. Where applicable we believe that internal rigid fixation has considerable advantages over other commonly used techniques such as maxillo-mandibular fixation (MMF). The plates were printed by Fusion Implants and James led the design project. Thanks guys for your hard work.

3D reconstruction of CT scan showing fracture of right mandibular ramus.
3D reconstruction of CT scan showing fracture of the right mandibular ramus

Surgical approach to 3D implant Surgical approach to application of 3d implantSurgical approach and application of the custom 3D printed Titanium plate to the fractured right mandibular ramus

Axial image from a post-operative CT scan showing reduction of the fracture Axial image from a post-operative CT scan showing reduction of the fracture

Both post op CT scans – Axial image from a post-operative CT scan showing excellent reduction of the fracture

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Wiltshire
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