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2018 ; 19
(5
): 35
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Advances in Ureteral Stent Design and Materials
#MMPMID29637309
Mosayyebi A
; Manes C
; Carugo D
; Somani BK
Curr Urol Rep
2018[Apr]; 19
(5
): 35
PMID29637309
show ga
PURPOSE OF REVIEW: There are three technological parameters that play a key role
on the performance of an ideal stent. These are its material, design and surface
coating. This article highlights some fundamental developments that took place in
these three areas of stent's technology, in order to contribute to the
identification of an ideal stent. RECENT FINDINGS: In addition to technological
developments concerning stent's material, design and surface coating, the flow
dynamic performance of stents has recently attracted increasing attention.
Notably, it has been postulated that the local flow field in a stent is
correlated with the deposition of crystals and microorganisms. These findings
could potentially revolutionise future stent's designs, and complement
developments made on materials and coatings. The most relevant changes in
materials, designs and surface coatings of ureteric stents are reviewed in this
article. These are described in the context of a specific cause of stent's
failure they aim to address, with a particular focus on encrustation and biofilm
formation.