question archive Complete 6 pages APA formatted article: Rephrasing Stent Fracture
Complete 6 pages APA formatted article: Rephrasing Stent Fracture
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Complete 6 pages APA formatted article: Rephrasing Stent Fracture.
The test includes testing for vessel tortuosity along with rotational forces of about 70 times per minute for a number of years. Such parameters are difficult to integrate into a stent simulation test. .Current stents normally show problems in terms of standard lengths. When made longer, the stent tends to be more fracture prone. Customizing stents could possibly solve or minimize this problem. One of the more promising custom stent designs belongs to Stent Custom. Known as the NX Co stent (Figure 7), the unique feature of this design allows for multiple mm inter-digitating segments.
The use of such a segment allows the stent length to become an “infinitely” variable. In-lesion determination of strength length is then allowed instead of manufacturer reliance on fixed length. Using this process, short lesions of varying lengths and diameters may be treated using a single device when used in humans.Figure 7: The NX Stent design customized by Stent Custom. The manipulation of the switch handle (on-right) is used to activate the inter-digitated separation at a chosen area, allowing the operator to then customize the stent length.
Trimaxx stent, on the other hand, allows the user to create a thinner stent strut. Using three layers of tantalum (18µm) between the inner and outer layers of 316L stainless steel brings its thickness to 74µm, thinness not achieved by other stents. The high ductility, excellent radiopacity, and superior corrosion resistance of Trimaxx are based upon the characteristics of tantalum which has helped the manufacturers to create a thin strut. 3,6. Used by 100 patients, the evaluation and analysis of ISR over a six-month deployment showed that 25% ISR was the global low range 6.
Figure 8 shows a cross-sectional and top view of a Trimaxx Stent.Figure 9 shows a Tryton Side-Branch Stent, which was created by the Tryton Company. What makes their design unique is that the side branch fits perfectly with all the bifurcation lesions in different angulations. .Made of cobalt-chromium alloy, it was created with three different zones in mind. With a standard stent design, transition zone, and main vessel region, the trial study using 30 patients revealed a low major adverse cardiac events rate of 9.
9% . with a procedural success rate of 93.3%. .
