| 摘要 |
<p>The present invention relates to a sort of Accurate Proximal Positioning Stent Delivery System, which is comprised of an olive tip (1), an inner tube (2), a radiopaque marker (4), a middle tube (8), an outer tube (5), a front handle (6), a safety lock (7), a positioning block (9), a back handle (10), a stainless steel tube (11), a loop assembly (12), and a handle with a flushing port (13). The olive tip is fixed at a front-end of the inner tube; the outer tube is joined with the front handle; the middle tube is joined with the back handle; the back-end of the inner tube is connected with the stainless steel tube and the handle with flushing port; and the loop assembly binds and fixes the stent on the exterior of the inner tube to position accurately. The delivery system of the present invention can position accurately and adjust the stent during the procedure of the stent's deployment, improve the success of surgical operation, reduce the difficulties and risks of surgery, and can be operated in a safe, convenient, and reliable way.</p> |
