Anti-adhesion Sheet with Radiographic Markers for Lumbar Surgery
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Surgical procedures for revising anterior lumbar motion discs are challenging due to adhesions that form around great vessels, posing a risk of damage to these structures during surgery, and existing anti-adhesion devices do not adequately address the prevention of adhesion formation near great vessel walls.
Innovation Solution
An anti-adhesion sheet with radiographic markers and bony purchase features, such as mesh, adhesive strips, or pre-attached bone anchors, is designed to inhibit adhesion formation and facilitate safe placement, featuring a reduced radius of curvature to conform to the vertebral body and prevent migration, along with materials like polypropylene and polydioxanone for resorbable or permanent use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If anti-adhesion devices are used in anterior lumbar motion disc surgery, then adhesion formation is reduced, but the risk of damage to great vessels increases due to lack of visualization and secure attachment
Solution Approach 1:
The anti-adhesion sheet incorporates radiographic markers that appear radiopaque on imaging, allowing real-time visualization during surgery. This enables the surgical team to locate and track the sheet's position relative to great vessels, maintaining safety while preventing adhesions.
Solution Approach 2:
The sheet is pre-configured with bony purchase features (mesh, adhesive strips, or pre-attached bone anchors) and radiographic markers before surgery. This preliminary preparation ensures immediate secure attachment to the vertebral body and visible tracking during the procedure, preventing both adhesion formation and vascular damage.
2Object-affected harmful factors
If existing anti-adhesion devices are used, then adhesion prevention is achieved, but they lack features for secure attachment to vertebral bodies and clear visualization
Solution Approach 1:
The anti-adhesion sheet integrates multiple functions into a single device: adhesion prevention, radiographic visualization through radiopaque markers, and secure attachment through bony purchase features. This multi-functionality eliminates the need for separate devices and simplifies the surgical workflow.
Solution Approach 2:
The sheet combines different materials with complementary properties: a biocompatible anti-adhesion material (such as polypropylene or polydioxanone) integrated with radiopaque markers and bony purchase features. This composite structure achieves both adhesion prevention and secure attachment simultaneously.
Data Source
AI summary
An anti-adhesion sheet for placement upon the anterior wall of a vertebral body, wherein the sheet has a radius of curvature that is less than that of the anterior wall of the vertebral body.