Prosthetic device for the temporomandibular joint and corresponding prosthetic assembly

By designing anchoring elements and guiding devices for lateral midline insertion, the implantation surgery of temporomandibular joint prostheses is simplified, the invasiveness of traditional prostheses is solved, the scope of application is expanded, and surgical trauma and recovery time are reduced.

CN115484898BActive Publication Date: 2026-06-12UNIV OF UDINE +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
UNIV OF UDINE
Filing Date
2021-03-30
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Implantation of existing temporomandibular joint prostheses is highly invasive, limiting its indications. Furthermore, traditional prostheses require extensive osteotomy, resulting in long recovery times and a high risk of complications for patients.

Method used

A prosthetic device comprising a first prosthetic component and a second prosthetic component was designed. It is inserted into the mandibular condyle along the lateral midline using an anchoring element, and positioned and osteotomized using a guiding device, thereby reducing bone material removal and simplifying the surgical procedure.

🎯Benefits of technology

It allows for smaller osteotomies, expands the indications for surgery, reduces surgical invasiveness, shortens recovery time, and is suitable for more patients.

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Abstract

Prosthetic device (10) for the temporomandibular joint, comprising a first prosthetic component (11) associable with a condyle (112) of a patient and a second prosthetic component (12) in harmony associable with a respective glenoid fossa of the patient. The invention also relates to a guide device (35) for preparing an anchoring seat (113) for positioning the first component and to a prosthetic assembly comprising the prosthetic device (10) and the guide device (35).
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