Cervical Loop Suspension Structure for Reversible Uterine Prolapse Repair
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Solution Overview
Problem
Existing surgical treatments for pelvic organ prolapse, such as uterine prolapse, often result in complications like mesh exposure and mesh injuries due to the interaction of implanted meshes with surrounding tissues, making removal difficult and posing challenges in cases requiring hysterectomy.
Innovation Solution
A surgical device comprising a flexible elongate body with a first end section forming a closed loop around the cervix and a second end section secured to the anterior longitudinal ligament, featuring an expanded portion for increased contact surface area and a fastening arrangement to facilitate quick positioning and minimize tissue damage, allowing for easy adjustment and reversible fixation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If mesh is implanted to provide support for pelvic organ prolapse, then support strength is improved, but tissue interaction increases leading to mesh exposure and mesh injuries
Solution Approach 1:
The device is segmented into distinct functional zones: a first end section for cervix contact, a middle section for suspension, and a second end section for ligament attachment. This segmentation allows each section to be optimized for its specific function, reducing overall tissue interaction while maintaining support strength.
Solution Approach 2:
The first end section features an expanded portion with increased surface area specifically designed for contact with the cervix outer surface. This local quality enhancement provides adequate support at the contact point without requiring extensive mesh integration throughout the entire device, thereby reducing harmful tissue interactions.
2Stability of the object's composition
If mesh is implanted to provide support, then support stability is improved, but removal difficulty increases
Solution Approach 1:
The device extracts the problematic mesh material from the design and replaces it with a non-mesh flexible elongate body. This extraction eliminates the tissue integration issue that makes mesh removal difficult, while the device maintains support stability through its closed loop configuration and secure attachment points.
Solution Approach 2:
The fastening arrangement incorporates a ratchet mechanism that provides dynamic adjustment capability. The loop can be adjusted to different sizes and securely fastened, providing stable support during surgery while allowing for easy removal by simply releasing the fastening mechanism, unlike permanent mesh implants.
3Stability of the object's composition
If closed loop is formed around cervix for suspension, then uterus suspension stability is improved, but positioning time increases
Solution Approach 1:
The device is pre-formed as a closed loop with the first end section configured to extend around the cervix. The fastening arrangement is pre-configured with adjustment capability, allowing the surgeon to quickly position and secure the device without time-consuming adjustments during surgery, thus reducing positioning time while maintaining suspension stability.
Data Source
AI summary
The present disclosure relates to a devices and methods for use in surgery. In particular, the present disclosure is directed to devices and methods for the treatment of pelvic organ prolapse conditions, and in particular for the treatment of uterine prolapse.