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 2023-05-11 10:48:25

Surface modification of ureteral stents: development history, classification, function, and future developments

K Xia, X Shen, X Ang, B Hou, Y Chen… - Expert Review of …, 2023 - Taylor & Francis
… The purpose of this article is to discuss surface modification of ureteral stents to reduce
stent… in ureteral stent coatings, which contribute to the future progress of ureteral stents surface …

[HTML][HTML] Comprehensive overview of ureteral stents based on clinical aspects, material and design

V Bernasconi, M Tozzi, A Pietropaolo… - … European Journal of …, 2023 - ncbi.nlm.nih.gov
… We represented a synthesis of our extensive research over materials, coatings and shapes
available on the market and then analyzed the main characteristics and peculiarities of …

Ureteral stents harbor complex biofilms with rich microbiome-metabolite interactions

GT Werneburg, D Hettel, SD Lundy, A Adler… - The Journal of …, 2023 - auajournals.org
… We hypothesized that ureteral stents would harbor unique microbial … stents would form
biofilm in vitro. We sought to determine the natural history of biofilm formation on ureteral stents, …

Epidemiology and risk factors for febrile ureteral stent-associated urinary tract infections: a prospective observational cohort study

B Bailly, M Lecheneaut, H Gbaguidi-Haore… - Journal of Infection, 2023 - Elsevier
… We aimed to determine the incidence and risk factors of febrile ureteral stent-associated …
Ureteral stents (USs) are widely used in urology to promote ureter patency. According to French …

Simple bio‐inspired coating of ureteral stent for protein and bacterial fouling and calcium encrustation control

RR Gonzales, K Kumagai, Z Yang… - … Research Part B …, 2023 - Wiley Online Library
… Among all the ureteral stent samples tested, the PDA-coated ureteral stent prepared in
this work showed the best anti-fouling performance. PDA coating has proven that despite its …

A modified biodegradable mesh ureteral stent for treating ureteral stricture disease

Y Wang, X Ren, C Ji, D Zhong, X Wei, Z Zhu, X Zhou… - Acta Biomaterialia, 2023 - Elsevier
ureteral stent, the shorten tubular ureteral stent only need to cover the range of the injured
part of the ureter (In this research, the length of the ureteral stent was … stent into the mesh stent. …

Patients' Experiences with the Removal of a Ureteral Stent: Insights from In-Depth Interviews with Participants in the USDRN STENTS Qualitative Cohort Study

C Dombeck, CD Scales, K McKenna, T Swezey… - Urology, 2023 - Elsevier
… short-term ureteral stent placement for the treatment of renal or ureteral stones and is …
ureteral stent, including removal. Here we describe participants’ narratives on the ureteral stent

[HTML][HTML] Detection of microbial biofilms inside the lumen of ureteral stents: two case reports

CC Barajas-García… - Journal of …, 2023 - jmedicalcasereports.biomedcentral …
… This study provides insights into the morphology of the microbial biofilm inside the lumen of
the ureteral stent, as well as the large number of bacteria present in the lumen of the J stent. …

[HTML][HTML] Investigating the encrustation of reinforced ureteral stents by computational flow dynamic simulations

B Vogt - World Journal of Urology, 2023 - Springer
… Using a tailor-made program, we attempted to evaluate a number of reinforced ureteral stents
by CFD simulations with an obstructed or unobstructed ureter and steady or discontinuous …

[HTML][HTML] The Allium Ureteral Stent for the Treatment of Ureteral Complications Following Renal Transplantation—A Single-Center, Single-Surgeon Series

S Weinberger, M Hubatsch, T Klatte… - Journal of Clinical …, 2023 - mdpi.com
… the optimal management of ureteral complications. The aim … Allium ureteral stent in patients
with ureteral complications … self-expandable Allium ureteral stent in the transplant ureter after …
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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