Stent (or stent graft) locating device
First Claim
1. A stent (or stent graft) locating device comprising a number of rigid leading wires, a pushing tube assembly for holding the number of rigid leading wires in its circumferential direction, said pushing tube assembly having a terminal end, the number of rigid leading wires being axially movable independent of one another within the pushing tube assembly, and a sheath for loading the tube assembly therein, said number of rigid leading wires each having a free terminal end configured to extend beyond the terminal end of the pushing tube assembly.
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Accused Products
Abstract
A stent locating device that includes leading wires, a pushing rod for holding the leading wires, and a sheath for loading the pushing rod. The pushing rod includes inner and outer tubes. The inner tube is used as a guiding wire channel. An annular portion between the inner and outer tubes is used as a leading wire channel. The pushing rod may be a single tube having a hollow portion that is used as a guiding wire channel and a plurality of leading wire channels arranged in the body thereof at regular intervals circumferentially. The pushing rod may have a plurality of leading wires, crossing leading wires, or a combination of leading wires and auxiliary leading wires which are distributed at regular intervals circumferentially and are derived from the tip of a leading wire channel(s).
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Citations
16 Claims
- 1. A stent (or stent graft) locating device comprising a number of rigid leading wires, a pushing tube assembly for holding the number of rigid leading wires in its circumferential direction, said pushing tube assembly having a terminal end, the number of rigid leading wires being axially movable independent of one another within the pushing tube assembly, and a sheath for loading the tube assembly therein, said number of rigid leading wires each having a free terminal end configured to extend beyond the terminal end of the pushing tube assembly.
Specification