A nephroureteral stent, sometimes as well called ureteric stent, it’s a thin tube inserted into the ureter to prevent or treat obstruction of the urine flow due to conditions such as kidney stone, tumors, infections, etc. A nephroureteral stent is specially designed a soft tube 10-12 inches in length that is placed in the ureter for draining urine from the kidney to the urinary bladder. The length of the stents used in adult patients varies from 24 to 30 cm additionally, stents come in differing diameters or gauges, to fit different size ureters. The stent is usually inserted with the aid of a cystoscope.
Normally a person can have nephroureteral stents for not more than 3 to 6 months. If left for longer duration, there can be a chance of secondary complications like stone formation, urethral infection, etc. which makes removal of stents difficult. Several market players are researching to overcome the issue of biofilm formation and mineralogical encrustation.
Nephroureteral Stent Market: Drivers and Restraints
The global geriatric population is the direct indication of the possible rise in the patients suffering from several types of urological diseases. Also the increasing conditions that obstruct the flow of urine due to kidney stone is also on rise due to sedentary lifestyle among young age group. The use of urological stents have become the most fundamental and valuable technique in the urological practice. Furthermore, many market players in the global nephroureteral stenting market are conducting research activities to modify the design, discovering novel stent coating and the basic composition materials of the stent. Some of the advancements required for the market are anti-body coated stents, nanotube coating, radioactive stents, and absorbable magnesium metal stent. The upcoming successful trials of the various technologies have a great potential to drastically change the current market dynamics in the global nephroureteral stenting market.
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Nephroureteral Stent Market: Segmentation
The Nephroureteral Stent Market, is segmented on the basis of Product, Application and region.
Segmentation by Product
- Retrograde Stents
- Antegrade Stents
- Internal (double-J) Stents
Segmentation by Application
- Percutaneous Nephrolithotomy
Segmentation by Region
- North America
Nephroureteral Stent Market: Product
A Retrograde Nephroureteral Stent (RNUS) is placed in patients who have undergone surgical treatment, such as cystectomy with the formation of ileal conduit which helps to exits from the conduit and extends retrograde to the renal pelvis.
An Antegrade Percutaneous internal/external Nephroureteral (PCNU) stent is placed percutaneously. This stent establishes antegrade access to the kidney, ureter, and urinary bladder. A segment of the stent remains outside the patient from the flank, this can be capped or connected to gravity drainage. The internal/external stent provides continuity between the kidney, ureter, and urinary bladder, which is useful in patients with ureteric obstruction, injury, fistulas or those undergoing ureteral surgery.
Double-J stents are internal stents used to provide internal drainage and bypass an obstructed segment of the ureter. The major advantage of Double-J stents over the antegrade PCNU in that there is no external component that is cumbersome and can cause patient discomfort, also there is no risk of skin infection, catheter displacement, and lifestyle limitation. Also, they have an advantage over the antegrade PCNU that it restores the normal route for urinary drainage through the urinary bladder and voiding. These stents are placed in retrograde fashion by urologists utilizing cystoscopy; however, frequently percutaneous placement of double-J stents is required due to an inability to pass a ureteric structure from the bladder. To avoid stent displacement one or both ends of the stent may be coiled.
Nephroureteral Stent Market: Application
The major segments in which urological stents are used include Nephrological application such as lithotripsy, ureteroscopy, ureteroenoscopy, and percutaneous nephrolithotomy.
Nephroureteral Stent Market: Region
Based on the geography, the global Nephroureteral stenting market is segmented into four major regions North America, Europe, Asia-Pacific and Rest of the World. In U.S. approximately 2 million people are annually diagnosed for the presence of kidney stone. These prevalence numbers for similar diseases is even higher in the Asia-Pacific and Rest of the World. The demand for the urinary tract stents is expected to increase with the rise in the number of kidney stone treatment procedures. The emerging nations such as China, India and Brazil with the improving economic conditions in the near future will fuel the demand for nephroureteral stent.
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Nephroureteral Stent Market: Key Players
The major market leader in this market is Boston Scientific. Also prominent in this segment are C. R. Bard, Inc., Cook Medical, Inc., and Medline Industries, Inc., Pnn Medical A/S, and Allium Medical Solutions Ltd.