Brian D Choules

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OBJECTIVE Intravascular stent placement in patients with congenital heart disease has replaced several surgical procedures because the desired outcome is achieved with a lower risk of complications. However, the blood vessels of children undergo a two- to threefold diameter increase due to somatic growth creating a dilemma: Can stents implanted in infants(More)
This paper compares the differences between the “test to success” and “test to fracture” paradigms for medical implant durability assessment. It recognizes that test to success can be one of the tests within test to fracture, in addition to a series of shorter cycle, higher force/deformation tests. In addition, by “testing to fracture,” one can validate the(More)
Implantable endovascular stent grafts have become a frequent option for the treatment of abdominal and thoracic aneurysms. Given that such devices are permanent implants, the question of long-term biostability needs to be addressed. This article describes the development of an in vitro stent graft abrasion test method between the graft fabric and metal(More)
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