Stent for expanding body's lumen
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 5, 2001
Grant Date -
N/A
app pub date -
Feb 3, 1998
filing date -
Feb 4, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A stent for expanding a lumen of a body having a structural stability along the length of the stent, as well as a good expandable force. According to one embodiment of the present invention, the stent is made of a single length of a filament and includes zigzag sections, in which the filament is wound in a zigzag manner, disposed on both end portions of the stent; and a spiral section, in which the filament is wound in a spiral manner, disposed between the zigzag sections. The zigzag section includes a plurality of bands. Each of the bands includes a series of straight portions, peak portions, and valley portions, the peak and valley portions being integrally engaged with the straight portions, and each of the bands is disposed along a circumferential direction of the stent on a plane substantially perpendicular to a longitudinal axis thereof; and each valley portion of the bands is twisted with a peak portion of an adjacent band. Also, the spiral section includes a body portion formed in such a way that the filament crosses in a spiral pattern to form a plurality of segments with the filament being not engaged with each other, and upper and lower end portions having a plurality of bent points.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully