Delivery Device for Delivering a Self-Expanding Stent
First Claim
1. A delivery device for delivering a self-expanding stent comprisinga pipe head, an inner pipe, a near-end controller, a medium pipe, a texturing tube, an external protection apparatus, at least one locked coil and one stayguy;
- said pipe head, inner pipe and near-end controller being interconnected in order and communicated each other;
a sleeve pipe of the medium pipe sliding along the inner pipe;
said texturing tube being installed in an incorporated body of the pipe head, inner pipe and near-end controller;
said external protection system enveloping the outside of the inner and medium pipes;
said locked coil and stayguy thread going through the inner pipe and a near-end controller, which are incorporated together.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention provides a delivery device for self-expanding stent. The delivery device includes pipe head, inner pipe, near end controller, medium pipe, texturing tube, external protection apparatus, at least one locked coil and at least one stayguy. The external protection apparatus is a tearable external protection apparatus or a flexible connects collar hold-down mechanism or a stayguy hold-down mechanism. The present invention has a plenty of following advantages: to locate the stent rotarily, to fix the expanded stent effectively, to reduce the valvular abrasion of artificial cardiac stent, to reduce the abrasion of stayguy, to avoid the dislocation of stayguy and so on.
276 Citations
39 Claims
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1. A delivery device for delivering a self-expanding stent comprising
a pipe head, an inner pipe, a near-end controller, a medium pipe, a texturing tube, an external protection apparatus, at least one locked coil and one stayguy; -
said pipe head, inner pipe and near-end controller being interconnected in order and communicated each other; a sleeve pipe of the medium pipe sliding along the inner pipe; said texturing tube being installed in an incorporated body of the pipe head, inner pipe and near-end controller; said external protection system enveloping the outside of the inner and medium pipes; said locked coil and stayguy thread going through the inner pipe and a near-end controller, which are incorporated together. - View Dependent Claims (2, 3, 4, 5, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 35, 36, 37, 39)
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33. (canceled)
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38. (canceled)
Specification