Modular Bone Plate With Interchangeable Inserts
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Solution Overview
Problem
Existing bone plate systems have a limited field of application due to their specific design for particular types of bone injuries, restricting their versatility in treating various bone fragmentation cases.
Innovation Solution
A bone plate system featuring a bone plate with insert receiving portions that allow for the insertion of anatomically pre-shaped inserts, which can be releasably secured and configured for different bone contact areas, enabling a wider range of applications by providing adjustable contact surfaces and independent fixation mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bone plates are designed for specific types of injuries, then fixation reliability is improved, but adaptability deteriorates
Solution Approach 1:
The bone plate is divided into modular components: a base plate with receiving portions and interchangeable inserts. Each insert can be independently selected and attached to match specific injury patterns, allowing the system to maintain reliable fixation for each injury type while adapting to different clinical scenarios through component interchangeability.
Solution Approach 2:
The base plate is designed with multiple receiving portions that can accommodate different types of inserts (e.g., contact inserts, non-contact inserts, inserts with varying contact areas). This universal receiving structure allows a single base plate design to serve multiple injury types and treatment approaches, resolving the contradiction between specialized fixation reliability and general adaptability.
2Adaptability or versatility
If inserts are releasably secured in insert receiving portions, then adaptability is improved, but device complexity increases
Solution Approach 1:
The insert removal function is extracted as a separate, simple operation: a surgical instrument is inserted through the base plate to directly disengage the insert from its receiving portion. This extraction of the release mechanism as a simple, dedicated action minimizes the added complexity while preserving full adaptability for insert exchange.
Solution Approach 2:
A removable insert acts as an intermediary element between the base plate and the bone surface. It provides the adaptive contact interface while being independently exchangeable, allowing the system to adapt to different bone surfaces without complicating the overall fixation mechanism. The insert mediates between the fixed base plate structure and the variable surgical requirements.
Data Source
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AI summary
The disclosure relates to a bone plate system, comprising: a bone plate having a bone facing side, a front side being arranged substantially opposite to and facing away from the bone facing side, and at least one insert receiving portion, the bone plate system further comprising at least one insert defining a contacting region for contacting an adjacent bone surface and being releasably receivable in said insert receiving portion, wherein the insert is insertable into the insert receiving portion from the bone facing side.