Richard Kozarek, Todd Baron, Ho-Young Song
In this textbook the HV Stent and HV Stent Plus* are mentioned for their flexibility, removability and especially for their antimigration features. Refer to pages 55 and 61-63. Also special features of the delivery system are mentioned at page 67 and 68.
...The Ella-HV stent (ELLA-CS) has forward facing wings around the circumference of the proximal stent end, resulting in a collar, which anchors it against the stenosis... ...Better conformability of a braided esophageal stent (HV stent) compared to a laser-cut stent...
*This text book mentiones both the former version (HV Stent) and new version(HV Stent Plus) of ELLA CS most popular multi-purpose esophageal stent.
Meinhard Classen, Guido N. J. Tytgat, Charles J. Lightdale
Second Edition, Thieme, 2010
This renowned textbook is giving a list of standard nitinol esophageal stents on the page 35. The HV Stent Plus is listed as well as other products of the ELLA-CS company.