Introduction!

From the multidisciplinary network ENIUS, we want to create a meeting point for researchers, clinicians, industrial partners and manufacturers interested in accurate and up-to-date information related to urinary stent Research and Development. It will provide data regarding the leading research groups, manufacturers, patents, as well as recent scientific literature in this area of knowledge. 

This website is born with the purpose of being a source of information on all aspects related to urinary stent development, including the following: 



Most active authors in urinary stents topic
Most active countries invoved in urinary stent research
Citing patents in urinary stents by filling date
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Top publications year
Most important Institutions involved in urinary stent research
Leading organisations developing urinary stents

Hydrustent® - HYDRUMEDICAL

Biodegradable Ureteral Stent intended to be used to temporarily drain obstructed ureter. The patented structural hydrogel has a homogenous degradation.

MiniJFil® - ROCAMED

New Ureteral Stent Generation with No Bladder Loop

JFil® - ROCAMED

New Ureteral Stent Generation with No Bladder Loop

Endosil® – ROCAMED

Silicone Double Loop Ureteral Stent

RocaJJ Soft – ROCAMED

PolyUrethane Double Loop Ureteral Stents

RocaJJ Soft Multilength – ROCAMED

Hydro-Coated PolyUrethane Ureteral Stent

RocaJJ Simple J - ROCAMED

PolyUrethane Simple Loop Ureteral Stent

GREEN-STAR - UROTECH

Double-J Ureteral Stent-Set Soft material, steerable with coupling

GREEN-STAR flexible length - UROTECH

Double-J Ureteral Stent-Set Soft material, flexible length

GREEN-STAR MONO - UROTECH

Mono-J Ureteral Stent-Set Soft material

GREEN-STAR steerable - UROTECH

Double-J Ureteral Stent-Set Soft material, steerable

INTUBATION STENT - UROVISION

Double-J Ureteral Stent Set Partial shaft thickening, also in the pigtails

MAGNETIC BLACK-STAR - UROTECH

Double-J Ureteral Stent-Set and Retrieval Device with magnet

MONOSTAR SOFT - UROVISION

Mono-J Ureteral Stent Set Soft material Ureteral

MONOSTAR STANDARD - UROVISION

Mono-J Ureteral Stent Set

ONKOVISION® TUMOR STENT - UROVISION

Double-J Ureteral Stent Set With a stainless steel helix

SPECIAL VISIOSTENT TUMORSTENT - UROVISION

Double-J Ureteral Stent Set

VISIOFLUX - UROVISION

Double-J Ureteral Stent set For reducing bladder irritation

VISIOLIX COMPLETE SET - UROSVISION

Double-J Ureteral Stent Set with Ureteral Catheter

VISIOMATIC® - UROVISION

Double-J Ureteral Stent Set Steerable with VISIOMATIC® Discharge System

VISIOMATIC® SOFT - UROVISION

Double-J Ureteral Stent Set Soft material, steerable with VISIOMATIC® discharge system

VISIOMATIC® TUMORSTENT - UROVISION

Double-J Ureteral Stent Set Steerable with VISIOMATIC® Discharge System

VISIOSTAR COMPLETE SET - UROVISION

Double-J Ureteral Stent Set with Ureteral Catheter

VISIOSTAR ESWL - UROVISION

Double-J Ureteral Stent Set With special profile

VISIOSTAR INTRAOPERATIVE - UROVISION

Double-J Ureteral Stent Set

VISIOSTAR SOFT

Double-J Ureteral Stent Set Soft material

VISIOSTAR Standard - UROVISION

Double-J Ureteral Stent Set

VISIOSTAR Standard flexible length - UROVISION

Double-J Ureteral Stent Set Flexible length

VISIOSTAR Standard steerable - UROVISION

Double-J Ureteral Stent Set Steerable

VISIOSTENT STENOSIS - UROVISION

Double-J Ureteral Stent Set Partial shaft reinforcement Ureteral

WHITE STAR Double-J Ureteral Stent-Set - UROTECH

Double-J Ureteral Stent-Set Treated with PC, steerable with coupling

WHITE STAR flexible length - UROTECH

Double-J Ureteral Stent-Set Flexible length

WHITE-STAR ESWL - UROTECH

Double-J Ureteral Stent-Set With special profile

WHITE-STAR INTRAOPERATIVE - UROTECH

Double-J Ureteral Stent-Set Round tip

WHITE-STAR MONO - UROTECH

Mono-J Ureteral Stent-Set

WHITE-STAR steerable - UROTECH

Double-J Ureteral Stent-Set Steerable

WHITE-STAR STENOSIS - UROTECH

Stenosis Stent-Set Partial shaft enlargement

YELLOW-STAR - UROTECH

Double-J Ureteral Stent-Set

YELLOW-STAR flexible length - UROTECH

Double-J Ureteral Stent-Set Treated with PC, flexible length

YELLOW-STAR steerable - UROTECH

Double-J Ureteral Stent-Set Treated with PC, steerable

YELLOW-STAR TUMOR-STENT - UROTECH

Double-J Ureteral Stent-Set Treated with PC

YELLOW-STAR TUMOR-STENT steerable - UROTECH

Double-J Ureteral Stent-Set Treated with PC, steerable

Biosoft® duo ureter Stent - COLOPLAST

Dual durometer designed for easy insertion and placement while retaining great flexibility for patient comfort

Silicone double loop ureteral stents - COLOPLAST

The remarkable biocompatibility and flexibility of silicone makes it the gold standard material for long-term implantation.

Stents without eyes on the straight section - COLOPLAST

Dedicated to cancer treatment
Available in soft or firm material

Persistent™ - Q Urological

Structural Hydrogel Ureteral Stent

Polyurethane (PU-R & PU-S) double loop ureteral stents - COLOPLAST

Double loop ureteral stents

Tumor stent - COLOPLAST

Palliative drainage in case of ureteral compressions
Reinforced internal layer for excellent resistance to compression

Vortek® double loop ureteral stents - COLOPLAST

Dual durometer design for easy insertion and placement while retaining great flexibility for patient comfort

Vortek® hydro-coated double loop ureteral stents - COLOPLAST

Dual durometer design for easy insertion and placement while retaining great flexibility for patient comfort.
The hydrophilic coating facilitates the advancement of the stent.

Stenostent® - COLOPLAST

For ureteral stenosis
Reinforced 12 Ch/Fr body stent with 8 Ch/Fr loops

Pyelostent® - COLOPLAST

For pyeloureteral junction syndrome treatment
8 Ch/Fr stent while the renal pelvis section is 12 Ch/Fr

Bander Ureteral Diversion Stent - Cook Medical

Used for intraoperative placement to stent the ureter during ureteroileal conduit construction and continent urinary diversions.

Black Silicone Filiform Double Pigtail Ureteral Stent - Cook Medical

Used for temporary internal drainage from the ureteropelvic junction to the bladder. The set includes a stent, a wire guide, and a stent positioner.

C-Flex® Double Pigtail Ureteral Stent - Cook Medical

Used for temporary internal drainage from the ureteropelvic junction to the bladder. C-Flex Double Pigtail Ureteral Stent Sets have been employed to relieve obstruction in a variety of benign, malignant, and post-traumatic conditions. These stents may be placed using endoscopic, percutaneous, or ope

Greene Renal Transplant Stent - Cook Medical

Used to establish temporary internal drainage from the ureteropelvic junction to the bladder following renal transplant. The stent has nonradiopaque ink bands. The set includes a stent, a wire guide, a catheter, and a stent positioner.

Resonance® Metallic Ureteral Stent - Cook Medical

Used for temporary stenting of the ureter in adult patients with extrinsic ureteral obstruction. This stent is intended for one-time use.

Universa® Firm Ureteral Stent Set with Hydrophilic Coating and Monofilament Tether - Cook Medical

Used for temporary internal drainage from the ureteropelvic junction to the bladder. Universa stents have AQ® hydrophilic coating, a monofilament tether, and graduation marks. The set includes a stent with pigtail straightener, a stent positioner with radiopaque tip, and a wire guide.

Universa® Soft Ureteral Stent Set with Hydrophilic Coating and Monofilament Tether - Cook Medical

Used for temporary internal drainage from the ureteropelvic junction to the bladder. Universa stents have AQ® hydrophilic coating, a monofilament tether, and graduation marks. The set includes a stent with pigtail straightener, a stent positioner with radiopaque tip, and a wire guide.

BARDEX® Double Pigtail Soft Stent - BD Bard

BARD® provides a wide variety of ureteral stents. The BARDEX® stent is a polyurethane stent and is packaged with an attached suture for ease of removal. The stents are packaged individually, sterile, for single use.

FLUORO-4™ Silicone Ureteral Stent - BD Bard

BARD® FLUORO-4™ silicone ureteral stents have the insertion advantages found with urethane stents plus the biocompatibility of silicone stents. The silicone/tantalum formulation is highly radiopaque under imaging (radiology or fluoroscopy). It is packaged with a .038" lubricious coated guidewire for

INLAY OPTIMA® Ureteral Stent - BD Bard

The INLAY OPTIMA® stent continues the legacy of the BARD® INLAY® stent.

INLAY® Ureteral Stent - BD Bard

BARD® offers multiple stent choices in design, length, and coating to assure you the right stent match with each procedure and anatomical requirement. The INLAY® ureteral stent offers many advantages.

Urinary Diversion Stent - BD Bard

BD Urinary Diversion Stents have been designed to provide secure placement in the renal pelvis while allowing drainage of urine from the kidney to an external stoma.

Latest scientific papers in urinary stents
Cached version 2022-08-04 17:11:41

Ureteral stent encrustation: epidemiology, pathophysiology, management and current technology

N Tomer, E Garden, A Small, M Palese - The Journal of Urology, 2021 - auajournals.org
… in developing silicone based ureteral stents, with research by Tunney et al demonstrating
silicone’s ability to deter encrustation in vitro. In this study ureteral stents comprised of 5 …

[HTML][HTML] Ureteral stents cannot decrease the incidence of ureteroileal anastomotic stricture and leakage: a systematic review and meta-analysis

YL Peng, K Ning, ZS Wu, ZY Li, MH Deng… - International Journal of …, 2021 - Elsevier
… if ureteral stents could prevent complications such as ureteroileal anastomosis stricture (UIAS)
and ureteroileal anastomosis leakage (UIAL) after ureteral … the role of the ureteral stent in …

[HTML][HTML] Comparative study of renal drainage with different ureteral stents subject to extrinsic ureteral obstruction using an in vitro ureter-stent model

Y Shilo, J Modai, D Leibovici, I Dror, B Berkowitz - BMC urology, 2021 - Springer
… of a stented ureter. Our experiments indicate that neither tandem ureteral stents nor metal
stents offer any clear advantage over large luminal polymeric stents in preventing stent failure, …

Impact of differential ureteral stent diameters on clinical outcomes after ureteroscopy intracorporeal lithotripsy: A systematic review and meta‐analysis

G Wu, F Sun, K Sun, D Zhang, H Yao… - … Journal of Urology, 2021 - Wiley Online Library
… Abstract: In this meta-analysis we assessed whether the diameter of ureteral stents (4.7À5-…
ureteral stents with different diameters for approximately 1 week, we found that ureteral stents

Corrosion behavior of Mg wires for ureteral stent in artificial urine solution

D Mei, C Wang, M Nienaber, M Pacheco, A Barros… - Corrosion …, 2021 - Elsevier
… Among them, the applicability and in vivo compatibility of Mg alloys as ureteral stents have
been … ureteral stents are widely used in the clinical practice to drain urine and prevent ureteral

Preparation and property evaluation of biodegradable elastomeric PTMC/PLCL networks used as ureteral stents

X Liu, S Liu, K Li, Y Fan, S Feng, L Peng… - Colloids and Surfaces A …, 2021 - Elsevier
Ureteral stents have a wide range of applications in urology. … stability and prevent the
migration of stent tube. H and 13 C … the ureteral stent and prevent migration of the ureteral stent, …

[HTML][HTML] Surface analysis of ureteral stent before and after implantation in the bodies of child patients

K Arkusz, K Pasik, A Halinski, A Halinski - Urolithiasis, 2021 - Springer
… of a double-J ureteral stent (DJ stents) showed the highest … Additionally, the mechanical
strength and the stiffness of DJ stents … Both, the outer and inner surfaces of the DJ ureteral stents

[HTML][HTML] 10-year experience with reinforced ureteral stents for malignant ureteral obstruction

B Vogt, LH Blanchet - Research and Reports in Urology, 2021 - ncbi.nlm.nih.gov
stent insertion attempt contributed to one ureteral stent procedure (USP). Patients with
bilateral stents … Bilateral stents in the same patient with unilateral or bilateral stent failure were …

Biodegradable Anti‐Biofilm Fiber‐Membrane Ureteral Stent Constructed with a Robust Biomimetic Superhydrophilic Polycationic Hydration Surface Exhibiting …

L Gao, X Liu, M Xu, G Sun, S Xu, T Zou, L Wang… - Small, 2021 - Wiley Online Library
ureteral stents were then transformed to PGA fiber–PGLA membrane structured ureteral stents
(… The regularly braided tube structure divided the stent materials into rectangular units of ≈…

Preparing and characterizing biodegradable materials for ureteral stents

H Cui, K Zhang, C Gao, Y Kang… - Polymers for …, 2021 - Wiley Online Library
ureteral stent avoids the problem of secondary removal. However, the degradation rates of
biodegradable ureteral stents … Residual small fragments remain in the ureter following stent
Main Institutions applying for patents
Ureteral stents clinical trials
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This website also allows contacting with members of the ENIUS network (European network of multidisciplinary to improve Research in Urinary Stents. CA16217). Please send your queries to the following email address: eniuscost@gmail.com 

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