Temporary Deployment Device for Surgical Mesh Fixation
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Solution Overview
Problem
Current tissue repair implants, particularly surgical mesh patches, face challenges during deployment in surgical procedures due to their softness and flexibility, leading to handling difficulties and inadequate fixation, especially in minimally invasive surgeries, where instruments may cause tissue injury and fail to maintain the mesh in a planar position or release it properly, resulting in suboptimal repair outcomes.
Innovation Solution
A novel deployment device with a flexible planar member and guide structures that moves between at-rest and deformed positions, allowing for the uniform fixation of mesh implants by guiding fasteners along the periphery, reducing the risk of tissue injury and ensuring consistent spacing of fixation points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If mesh implants are made soft and flexible to provide patient comfort, then post-operative comfort is improved, but handling characteristics during surgery deteriorate
Solution Approach 1:
The system is divided into two separate components: the soft mesh implant and the rigid deployment device. The deployment device with its planar support structure provides handling assistance, while the mesh implant maintains its softness for patient comfort. After deployment, the support structure is removed, leaving only the soft mesh in place.
2Object-affected harmful factors
If mesh implants are made with minimal mass to provide patient comfort, then post-operative comfort is improved, but fixation stability deteriorates
Solution Approach 1:
The fixation function is separated from the mesh implant itself and transferred to the deployment device. The planar support structure provides a stable base for fixation, while the mesh implant remains lightweight. The support structure acts as a temporary scaffold that enables secure fixation without requiring the mesh itself to be heavy or rigid.
3Reliability
If conventional fixation methods are used for mesh implants, then fixation can be achieved, but tissue injury and complications increase
Solution Approach 1:
The planar support structure serves as an intermediary between the fixation device and the mesh implant. It provides a stable, controlled surface for applying fixation elements, allowing precise placement without directly manipulating or injuring the soft mesh or surrounding tissue. The support structure mediates the fixation process to minimize tissue trauma.
4Adaptability or versatility
If mesh implants are folded or rolled for insertion, then minimally invasive surgery is enabled, but deployment complexity increases
Solution Approach 1:
The mesh implant is pre-attached to the rigid planar support structure in a flat, organized configuration before surgery. This preliminary arrangement allows the entire assembly to be folded or rolled together for easy insertion through small incisions. During deployment, the pre-attached mesh simply unfolds with the support structure, eliminating the need for complex manipulation of the mesh itself and reducing deployment complexity.
Data Source
AI summary
Novel deployment devices for use as adjuncts with tissue repair implants. The devices are removeably mounted to mesh tissue repair implant devices to manipulate the devices into position and provide for secure fixation about the periphery of such mesh implant devices by providing guide structures such as grooves for directing and positioning a surgical tacking instrument.