Knotless Suture Anchor System for Bone Tissue Attachment
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Solution Overview
Problem
Current suture anchoring methods for securing soft tissue to bone are cumbersome due to difficulties in deploying suture anchors and require knot-tying procedures, which complicate surgeries and increase time.
Innovation Solution
A surgical system comprising a driver device, elongate shaft, capture suture, and dilator feature that allows for the secure attachment of tissue to bone by forming a loop with the capture suture and driving a suture anchor into the bone, eliminating the need for knots and simplifying the procedure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional suture anchors and inserter devices are used, then soft tissue can be secured to bone, but the deployment process is challenging and complicated
Solution Approach 1:
The suture anchor is nested within the inserter device during delivery. The inserter device contains the suture anchor in a retracted position, then advances it into the bone. After deployment, the inserter device is removed, leaving the suture anchor embedded in the bone. This nesting approach simplifies the deployment process while ensuring reliable soft tissue attachment.
2Reliability
If traditional knot-tying procedures are used to secure suture, then soft tissue is anchored to bone, but the procedure becomes time-consuming and cumbersome
Solution Approach 1:
The invention extracts the knot-tying step from the surgical procedure by using a pre-configured suture system where the suture is already looped through the suture anchor before insertion. The suture is pulled through the tissue and secured without requiring any knot-tying maneuvers during surgery, thereby eliminating time loss while maintaining reliable tissue-to-bone attachment.
3Reliability
If suture is passed through tissue and secured with traditional methods, then tissue reattachment is achieved, but space constraints complicate the surgery
Solution Approach 1:
The suture is pre-configured in a loop through the suture anchor before the anchor is inserted into the bone. This preliminary configuration allows the suture to be easily pulled through the tissue and secured in place without requiring complex manipulation during surgery. The pre-prepared suture path simplifies the overall procedure while ensuring reliable tissue reattachment.
Data Source
AI summary
Methods and systems are provided for securing tissue to bone. A surgical system can include a driver device, an elongate shaft receivable within the driver device and having a dilator feature at its distal end, and a capture suture extending through the shaft such that the capture suture's terminal end portions extend to a more proximal position on the driver and the capture suture forms a loop that extends through an opening formed through a side of the shaft. The loop is configured to receive at least one retention suture therethrough and can be tightened by pulling the capture suture's terminal ends, thereby coupling the retention suture with the suture anchor. Once the shaft is inserted into bone and the loop with the retention suture is closed, the suture anchor is driven distally towards the dilator features and into the bone to secure the retaining suture in the bone.