Hysteropexy Mesh with Segmented Portions for Uterine Support
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Solution Overview
Problem
Current surgical procedures for uterine prolapse, such as sacral colpopexy, often require total hysterectomy due to the lack of suitable mesh for anterior, posterior, and apical uterine support, leading to mesh erosion issues, and existing hysteropexies provide limited support options.
Innovation Solution
A hysteropexy mesh system comprising specific geometrically defined portions (anterior vaginal, broad ligament, sacral, and posterior vaginal portions) made from materials like polypropylene, polyester, or silicone, which can be implanted using robotic, laparoscopic, or open surgery techniques to provide comprehensive uterine support without mesh erosion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sacral colpopexy is performed with total hysterectomy to provide vaginal vault prolapse support, then prolapse support is improved, but mesh erosion risk increases
Solution Approach 1:
The invention extracts and preserves the uterus by developing a specialized hysteropexy mesh that provides support to the uterus itself, rather than removing the uterus (hysterectomy) to achieve support. This allows the beneficial uterine structure to remain while still providing the necessary prolapse support.
Solution Approach 2:
The hysteropexy mesh is designed with multiple functional portions (anterior vaginal, broad ligament, sacral, and posterior vaginal portions) that can simultaneously provide support at multiple locations, making it a multi-functional device that addresses both uterine support and prolapse prevention without requiring hysterectomy.
2Reliability
If total hysterectomy is performed to enable mesh placement for prolapse support, then mesh support capability is improved, but surgical complexity and patient risk increase
Solution Approach 1:
The mesh is segmented into distinct functional portions (anterior vaginal portion, right broad ligament portion, left broad ligament portion, sacral portion, and posterior vaginal portion), each designed to attach to specific anatomical structures. This segmentation allows the mesh to be implanted without hysterectomy while maintaining support capability.
Solution Approach 2:
Different portions of the mesh are designed with specific geometries and attachment mechanisms suited to their local anatomical requirements. The anterior vaginal portion attaches to the anterior vaginal wall, broad ligament portions attach to the broad ligaments, and the sacral portion attaches to the sacrum, providing localized support where needed.
3Ease of operation
If existing hysteropexy methods use anterior or posterior mesh placement only, then surgical simplicity is maintained, but uterine support comprehensiveness is limited
Solution Approach 1:
The hysteropexy mesh integrates multiple support functions into a single device, with portions that attach to the anterior vaginal wall, broad ligaments, and sacrum simultaneously. This provides comprehensive uterine support in one procedure while maintaining relative surgical simplicity.
Solution Approach 2:
The invention merges anterior and posterior support mechanisms into a single integrated mesh structure that can be implanted in one procedure, combining the benefits of both anterior and posterior approaches without requiring separate surgical interventions.
Data Source
AI summary
A hysteropexy apparatus includes a hysteropexy mesh and a package containing the hysteropexy mesh. The hysteropexy mesh includes an anterior vaginal portion that is substantially rectangular in shape, a right broad ligament portion that is substantially L-shaped, a left broad ligament portion that is substantially L-shaped, a sacral portion that is substantially rectangular in shape, and a posterior vaginal portion that is substantially rectangular in shape. The anterior vaginal portion is folded on a longitudinal midline. The sacral portion is folded onto the posterior vaginal portion.