LONDON--(BUSINESS WIRE)--Technavio’s latest report on the global non-vascular stents market 2016-2020 provides an analysis on the most important trends expected to impact the market outlook through 2020. Technavio defines an emerging trend as a factor that has the potential to significantly impact the market and contribute to its growth or decline.
Advances in technology
Advances in stent material, design, and technology have enabled the introduction of specially designed stents that can be used for specific conditions. Poly lactic acid-glycolic acid, poly capro-lactone, and poly acryl amine are some of the newly designed stent materials. These materials are biodegradable and also have advantages such as the elimination of stent removal and biocompatibility.
The use of self-expandable metal stents (SEMSs) for treating perforations and anastomotic leaks seem to be promising, especially SEMSs, which began their evolution with plastic but will soon evolve into biodegradable stents, the study explains.
SEMSs are composed of alloys such as nitinol and elgiloy (alloy composed of nickel, cobalt, and chromium), stainless steel, or a combination of silicone and nitinol. For instance, Niti-S (TaeWoong) and the covered Wallflex (Boston Scientific, Natick, MA) are FDA-approved SEMS products. The Niti-S prosthesis is composed of a single thread of (0.2 mm) nitinol ire shaped with distal ends into a dumbbell shape; it has a wider diameter proximal that is completely covered with polyurethane.
Imran Mushtaq, Technavio’s lead research analyst says, “Many new stents are being developed to overcome the complications associated with stenting, with the aim of increasing clinical and technical success rates. Advances in stent technology and endoscopy since the 1990s have allowed for the non-invasive palliation of constructive symptoms within the gastrointestinal tract.”
Emergence of new options for stent placement
“Stents have evolved since their usage in vascular systems, and their use have been expanded to stent insertion, which include insertion in the urinary, biliary, pancreatic, and gastrointestinal tracts. In the past few years, with the advent of MI techniques, the number of alternative options for stent placements has increased,” says Imran Mushtaq, Technavio’s lead research analyst.
The research report identifies the different types of stent placement as follows:
- Endoscopic placement
- Percutaneous placement
- Fluoroscopic guidance
Emergence of bioabsorbable stents
Following the introduction of new stents such as bioabsorbable scaffolds and biodegradable polymers, the use of stents in gastrointestinal, urological, pulmonary, and biliary strictures is expected to increase. These stents have the potential to eliminate the negative issues associated with durable polymer stents, which will induce a significant shift in the treatment of conditions such as strictures, which are produced by malignant neoplasms; obstructions caused by malignant or benign oesophageal strictures; and obstructions of the bile duct.
This wide application area is likely to encourage patients to undergo stent implantation surgery in the coming years. For instance, Boston Scientific uses biodegradable polymer (poly lactic acid) for its WallFlex Biliary RX Stent, a bio-absorbable used for biliary walls.
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