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Ureteral stent with anti-migration features
专利权人:
GYRUS ACMI; INC.
发明人:
Kurt G. Shelton,Antonio E. Prats
申请号:
US15200134
公开号:
US09937031B2
申请日:
2016.07.01
申请国别(地区):
US
年份:
2018
代理人:
摘要:
Ureteral stents include a tubular body defining a lumen and have (i) a distal kidney section to be placed in or near a patient's kidney, (ii) a proximal bladder section to be placed within or near the patient's bladder, and (iii) a ureter section between the distal and proximal sections to be placed within the patient's ureter. A first anti-migration feature may be provided at the proximal bladder section and may include one or more projections extending outward from the tubular body. The first anti-migration feature may extend less than a total length of the proximal bladder section, and may be configured to not enter the patient's bladder. Furthermore, a second anti-migration feature may be provided at the distal kidney section, the proximal bladder section, or both.
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