g-Cath™ Tissue Anchor Delivery Catheter with Expandable Tissue Anchors™
The g-Cath™ is an integral part of the g-Prox® tissue approximation system. The catheter ends in a hollow needle and contains a pair of Expandable Tissue Anchors™. A sliding button on the g-Cath allows the surgeon to manually advance the tissue anchors and deliver them on either side of a tissue fold or apposition. Then, the operator uses the g-Cath to bring the two anchors together with adjustable tensioning. The cinching is user-controlled under direct vision with tactile feedback, similar to a traditional suture. Also, the tension flattens out the mesh anchors, securing the tissue.
The Expandable Tissue Anchors are a suturing technology designed to overcome the challenges of endolumenal suturing in the GI tract. It is well known that mucosa is resistant to reconfiguration and the forces applied by traditional "point loading" suture, staples, clips, or T-tags can often result in inadequate healing. However, an Expandable Tissue Anchor distributes the forces over a tissue contact "footprint" 2,400% larger than the size in which it was delivered. Furthermore, the anchors not only spread out these forces, they also have a semi-compliant nature that accommodates postoperative swelling. This plasticity allows the anchors to withstand the swelling, yet maintain their hold on the tissue.
DEVICE FEATURES:
- Expandable Tissue Anchors™ spread force for excellent tissue healing
- Constructed of polyester suture and nitinol
- Adjustable tensioning
- High strength
- Creates plications or approximations
- Excellent in-vivo durability
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