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Tria™ Ureteral Stents

The Tria Ureteral Stent is made with PercuShield™ technology designed to provide protection against the accumulation of both Mg and Ca salts during indwell. 1,2

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Unlike any other ureteral stent.

The Tria™ Ureteral Stent’s quality-driven manufacturing process, combined with the unique PercuShield™ design, produces consistent inner and outer surfaces, minimizing irregularities of the stent and reducing the likelihood of salt adhesion.1,2

How it works

Urine calcium and magnesium salt deposits are contributing factors to stent complications such as encrustation. The cause and rate of encrustation is multifactorial and can include factors such as body chemistry and medical condition of the patient, stent in-dwell time, and surface material or properties of the stent.3-6


Why choose Tria Ureteral Stent?

Significant durometer changes

Designed to be stiffer during placement to navigate patient anatomy while softening by over 40% at body temperature, which may promote greater patient tolerability.1,7,8

Optimal coverage

Unlike an applied coating, the PercuShield technology is embedded into the stent to provide protection throughout the entire indwell.1,2

No known contraindications

Potentially treat more patients.

Doctor holding Tria stent

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In vitro study results for Tria Ureteral Stent

In vitro studies of Tria™ Ureteral Stent demonstrate a reduction in the combined urine calcium and magnesium salt deposits, both in the presence and absence of bacteria.1,2

Summarized findings of a laboratory study evaluating the accumulation of calcium and magnesium urine salt deposits on the inner and outer surface layers of Tria Soft Ureteral Stent compared to Cook Black Silicone Stent.


Summarized findings of a laboratory study evaluating the accumulation of calcium and magnesium urine salt deposits on the inner and outer surface layers of Tria Soft Ureteral Stent compared to Bard Inlay Optima™ Ureteral Stent.


Summarized findings of a laboratory study evaluating the accumulation of calcium and magnesium urine salt deposits on the inner and outer surface layers of Tria Firm Ureteral Stent compared to Bard Inlay Optima™ Ureteral Stent.


Summarized findings of a laboratory study evaluating the accumulation of calcium and magnesium urine salt deposits on the inner and outer surface layers of Tria Firm Ureteral Stent compared to Coloplast Imajin™ Silicone Stent.


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Product brochure

Learn how the Tria Ureteral Stent’s quality-driven manufacturing process, combined with the unique PercuShield™ design, produces consistent inner and outer surfaces, minimizing irregularities of the stent and reducing the likelihood of salt adhesion.

Professionals resources

Learn about our extensive ureteroscopy and PCNL education resources designed for you and your patients, including tools and resources focused on stone disease, treatment options and Boston Scientific endourologic products.

Patient resources

Material type: firm

 

UPNGTINSize (Fr x cm)Material TypeSuture Type
M0061902050087147299377154.8 X 10FirmBraided
M0061902060087147299377224.8 x 12FirmBraided
M0061902070 087147299377394.8 x 14FirmBraided
M0061902080087147299377464.8 x 16FirmBraided
M0061902090087147299377534.8 x 18FirmBraided
M0061902100087147299377604.8 x 20FirmBraided
M0061902110087147299377774.8 x 22FirmBraided
M0061902120087147299377844.8 x 24FirmBraided
M0061902130087147299377914.8 x 26FirmBraided
M0061902140087147299378074.8 x 28FirmBraided
M0061902150087147299378144.8 x 30FirmBraided
M0061902200087147299378216 x 20FirmBraided
M0061902210 087147299378386 x 22FirmBraided
M0061902220087147299378456 x 24FirmBraided
M0061902230087147299378526 x 26FirmBraided
M0061902240087147299378696 x 28FirmBraided
M0061902250087147299378766 x 30FirmBraided
M0061902300
087147299378837 x 20FirmBraided
M0061902310
087147299378907 x 22 FirmBraided
M0061902320087147299379067 x 24 FirmBraided
M0061902330087147299379137 x 26 FirmBraided
M0061902340
087147299379207 x 28 FirmBraided
M0061902350087147299379377 x 30 FirmBraided
M0061902400087147299379448 x 20 FirmBraided
M0061902410
087147299379518 x 22FirmBraided
M0061902420087147299379688 x 24 FirmBraided
M0061902430087147299379758 x 26 FirmBraided
M0061902440 
087147299379828 x 28 FirmBraided
M0061902450
087147299379998 x 30FirmBraided

Material type: soft

 

UPNGTINSize (Fr x cm)Material TypeSuture Type
M0061903200087147299539516 x 20SoftMonofilament
M0061903210 087147299598856 x 22SoftMonofilament
M0061903220087147299598926 x 24SoftMonofilament
M0061903230087147299599086 x 26SoftMonofilament
M0061903240087147299599156 x 28SoftMonofilament
M0061903250087147299539686 x 30SoftMonofilament
M0061903300
087147299539827 x 20SoftMonofilament
M0061903310
087147299599227 x 22 SoftMonofilament
M0061903320087147299599397 x 24 SoftMonofilament
M0061903330087147299599467 x 26 SoftMonofilament
M0061903340
087147299599537 x 28 SoftMonofilament
M0061903350087147299539997 x 30 SoftMonofilament
M0061903400087147299540198 x 20 SoftMonofilament
M0061903410
087147299599608 x 22SoftMonofilament
M0061903420087147299599778 x 24 SoftMonofilament
M0061903430087147299599848 x 26 SoftMonofilament
M0061903440 
087147299599918 x 28 SoftMonofilament
M0061903450
087147299540268 x 30SoftMonofilament


References:

  1. Data on file with Boston Scientific. Bench Test results may not necessarily be indicative of clinical performance. 
  2. Study methodology: Testing was performed by an independent third-party using the in-vitro BEST™ method to evaluate salt adhesion of the ureteral stents. A total of 30 samples from each ureteral stent family were tested in both a sterile Artificial Urine Model and a Bacterial Infection Model (n=15 in each model) for 2 weeks. Proteus mirabilis was used as the microbial challenge in the Bacterial Infection Model due to its known urease production and involvement in struvite formation. 
  3. Bruce AW, Sira SS, Clark AF, et al. The problem of catheter encrustation. Can Med Assoc J. 1974 Aug 3;111(3):238-41.  
  4. Vanderbrink BA, Rastinehad AR, Ost MC, et al. Encrusted urinary stents: evaluation and endourologic management. J Endourol. 2008 May;22(5):905-12. 
  5. Bultitude MF, Tiptaft RC, Glass JM, et al. Management of encrusted ureteral stents impacted in upper tract. Urology. 2003 Oct;62(4):622-6. 
  6. Elwood CN, Lo J, Chou E, et al. Understanding urinary conditioning film components on ureteral stents: profiling protein components and evaluating their role in bacterial colonization. Biofouling. 2013;29(9):1115-22.  
  7. Reduction in stent durometer represents the average percent drop in stent durometer from 25°C to 37°C in air.  
  8. Park HK, Paick SH, Kim HG, et al. The impact of ureteral stent type on patient symptoms as determined by the ureteral stent symptom questionnaire: A prospective, randomized, controlled study. J Endourol. 2015 Mar;29(3):367-71. 

All trademarks are the property of their respective owners. 

Caution: Federal (U.S.) law restricts this device to sale by or on the order of a physician. Please refer to package insert provided with this product for complete Indications for Use, Contraindications, Warnings, Precautions, Adverse Events, and Instructions prior to using this product. 

The testing was performed by or on behalf of BSC. Data on file. Bench Test or pre-clinical study results may not necessarily be indicative of clinical performance. 

All images are property of Boston Scientific.