Niti-S Biliary Interventional Ureter Stent

Uventa™ Ureteral Stent

Category: Urology  

A pre-loaded, self-expanding, large diameter, silicone covered metal stent for use in the urethral.

Product Description

Details / Features


  • Different magnitudes of segmental radial force may reduce reactive hyperplasia
  • Full silicone covered to prevent tissue in-growth
  • Four (4) anti-migration anchors at the distal end prevent the risk of migration
  • Retrieval string facilitates easy removal of stent
  • Efficient radial force
  • High flexibility
  • Atraumatic ends
  • Thermo-reactive radial force

Pre-Loaded Delivery System

  • Outer sheath: Metal braided tube contributes excellent push-ability and track-ability
  • Radiopaque ring at outer sheath: Shows deploying progression
  • Yellow marker: Cystoscopic marker to place stent at orifice border
  • Inner stent: Reinforces overall radial force
  • Three (3) Radiopaque markers: Fluoroscopic markers for accurate placement. Accordance with stent loaded portion – Proximal, Center and Distal


Benign and Malignant Urethral Obstruction

Clinical Reference

  • Comparison of Efficacy and Safety Between a Segmental Thermo-expandable Metal Alloy Spiral Stent (Memokath 051) and a Self-Expandable Covered Metallic Stent UVENTA in the Management of Ureteral Obstructions.
  • Kang Sup Kim, SaeWoong Choi, Yong Sun Choi, Woong Jin Bae, Sung-Hoo Hong, Ji Youl Lee, Sae Woong Kim, Tae-Kon Hwang, and Hyuk Jin Cho Department of Urology, The Catholic University of Korea College of Medicine, Seoul, Korea. Journal of Laparoendoscopic & Advanced Surgical Techniques 2014
  • Complications After Polymeric and Metallic Ureteral Stent Placements Including Three Types of Fistula.  Geehyun Song, Bumjin Lim, Kyung-Sik Han, Sang Hoon Song, Hyung Keun Park and Bumsik Hong. Journal of Endourology 2014
  • Palliative Care of Malignant Ureteral Obstruction with Polytetrafluoroethylene Membrane-Covered Self-Expandable Metallic Stents : Initial Experience. Jae Han Kim, Kanghyon Song, Moon Ki Jo, Jong-Wook Park , Department of Urology, Korea Cancer Center Hospital, Seoul, Korea, 2012.53.9.625
  • Efficacy and Safety of a Novel, Double-Layered, Coated, Self-Expandable Metallic Mesh Stent (Uventa™ ) in Malignant Ureteral Obstructions. Kyung Jin Chung, MD, PhD, Bong Hee Park, MD, MS, Bumsoo Park, MD, MS, Jun Ho Lee, MD, MS, Woo Jung Kim, MD, Minki Baek, MD, PhD, and Deok Hyun Han, MD, MS , JOURNAL OF ENDOUROLOGY vol 27, No 7, July 2013
  • Multicenter Experience of the Newly Designed Covered Metallic Ureteral Stent for Malignant Ureteral Occlusion: Comparison With Double J Stent Insertion. Hwan Hoon Chung, Man Deuk Kim, Jong Yun Won, Je Hwan Won, Sung Bum Cho, Tae-Seok Seo, Sang Woo Park, Byung Chul Kang, Cardiovascular Intervention Radiology , 08 August 2013
  • Comparison of a New Polytetrafluoroethylene-Covered Metallic Stent to a Noncovered Stent in Canine Ureters Hwan Hoon Chung, Seung Hwa Lee, Sung Bum Cho, Hong Suk Park, Young Sik Kim, Byung Chul Kang, Joan K. Frisoli, Mahmood K. Razavi, Cardiovascular Intervention Radiology, 2008