Polymer Neurovascular Stent Retrievers

Polymer Neurovascular Stent Retrievers Market Outlook

The global Polymer Neurovascular Stent Retrievers market is anticipated to reach a substantial size of approximately USD 500 million by 2035, growing at a commendable CAGR of around 8% during the forecast period from 2025 to 2035. This growth can primarily be attributed to the increasing incidences of neurovascular diseases, such as aneurysms and strokes, which necessitate advanced treatment options. The rising acceptance of polymer stent retrievers due to their superior performance, along with advancements in neurointerventional techniques, significantly contributes to market expansion. Furthermore, the growing geriatric population, which is more susceptible to neurovascular disorders, serves as a critical driver for the market. Additionally, the burgeoning demand for minimally invasive procedures is propelling the development and adoption of these advanced medical devices.

Growth Factor of the Market

Several factors are driving the growth of the Polymer Neurovascular Stent Retrievers market, the most prominent being the rising prevalence of neurovascular diseases worldwide. With an increasing aging population and lifestyle-related factors contributing to higher rates of stroke and aneurysms, healthcare systems are focusing on enhancing treatment modalities, including the adoption of innovative stent retriever technologies. Moreover, advancements in material science have led to the development of stent retrievers that offer improved flexibility and biocompatibility, thus fostering their adoption. Technological innovations, such as enhanced imaging techniques for better visualization during procedures, are also significantly driving market growth. Additionally, the rise in healthcare expenditure globally, along with government initiatives aimed at improving healthcare infrastructure, further supports market expansion. Hospitals and surgical centers are increasingly investing in advanced neurovascular devices to improve patient outcomes, which is another crucial growth factor influencing the market dynamics.

Key Highlights of the Market

• The Polymer Neurovascular Stent Retrievers market is projected to witness a robust CAGR of around 8% from 2025 to 2035.
• Increased prevalence of neurovascular diseases is a primary driver for market growth.
• Technological advancements in stent retriever designs are enhancing procedural efficacy.
• The rise in healthcare expenditure globally is enabling better access to advanced medical devices.
• Minimally invasive procedures are gaining traction, boosting demand for neurovascular stent retrievers.

By Product Type

Coil Retrievers:

Coil retrievers are specialized devices designed to capture and retrieve coils used in neurovascular treatments, particularly in the management of aneurysms. These retrievers utilize a flexible and often helical design, allowing them to navigate complex vascular structures effectively. The increasing incidence of aneurysms globally is driving the demand for coil retrievers, as they are essential for successful endovascular procedures. Their ability to stabilize and retrieve embolic coils enhances procedural outcomes, making them a critical component in neurovascular interventional practices. Moreover, advancements in coil materials and designs are enhancing the efficacy of these devices, thus further solidifying their presence in the market.

Basket Retrievers:

Basket retrievers are designed to capture and retrieve emboli from the neurovascular system, making them pivotal in treating conditions like acute ischemic stroke. Their unique basket-like structure allows for effective retrieval of various types of embolic material, thus increasing the likelihood of restoring normal blood flow to the affected area. The growing emphasis on rapid treatment protocols for stroke patients is leading to an increased preference for basket retrievers, as they facilitate quicker and more efficient interventions. Additionally, ongoing innovations in their design, such as enhancements in visibility and maneuverability, are expected to propel their usage in clinical settings.

Aspiration Retriever Devices:

Aspiration retriever devices utilize suction mechanisms to remove thrombus from the neurovascular system, making them invaluable in the management of acute ischemic stroke. Their efficiency in rapidly restoring blood flow has made them a preferred choice among interventional neuroradiologists. The rising awareness and demand for effective stroke treatment options are fostering the adoption of aspiration retriever devices in clinical practice. Furthermore, continuous improvements in device technology, including the development of next-generation aspiration systems, are set to enhance their performance and expand their market presence, thereby contributing significantly to overall market growth.

Suction Retriever Devices:

Suction retriever devices are designed specifically for the removal of thrombus and emboli through a suction mechanism, offering a streamlined approach to neurovascular interventions. These devices are increasingly favored due to their capability to facilitate immediate restoration of blood flow while minimizing the risk of vessel injury. The growing emphasis on developing effective treatment protocols for ischemic stroke is driving the market for suction retriever devices, as they play a crucial role in achieving timely intervention. Moreover, advancements in device technology and materials are enhancing their efficacy, making them an integral part of various neurovascular procedures.

Snare Retrievers:

Snare retrievers are specialized instruments used for capturing foreign bodies or emboli in the neurovascular system. Their unique snare-like design enables them to effectively grasp and remove objects, providing a versatile option for interventionalists during complex procedures. The versatility and efficacy of snare retrievers in various clinical applications, including the management of vascular anomalies, are driving their adoption. In addition, ongoing research and development efforts aimed at improving the design and functionality of snare retrievers are expected to boost their performance and expand their market footprint significantly.

By Application

Hospitals:

Hospitals are the primary end-users of Polymer Neurovascular Stent Retrievers, as they are equipped with advanced infrastructure and skilled personnel capable of performing complex neurovascular procedures. The rising incidence of neurovascular conditions necessitates the availability of advanced medical devices within hospital settings, leading to increased demand for polymer stent retrievers. Furthermore, hospitals are investing significantly in innovative technologies to improve patient outcomes and operational efficiency, which directly contributes to the growth of this segment. The integration of polymer stent retrievers into hospital protocols has been shown to enhance recovery times and reduce overall healthcare costs, further solidifying their importance in clinical practice.

Ambulatory Surgical Centers:

Ambulatory surgical centers (ASCs) are becoming increasingly popular for neurovascular procedures due to their ability to provide high-quality care with lower costs, leading to an uptick in demand for polymer neurovascular stent retrievers in this setting. ASCs offer a range of outpatient services that cater to patients requiring minimally invasive procedures, allowing for quicker recovery times and reduced hospital stays. The growing preference for outpatient surgical options is driving the demand for polymer stent retrievers in ASCs, as more patients seek efficient and convenient care. Additionally, advancements in technology and healthcare delivery models are enabling ASCs to adopt cutting-edge devices, including stent retrievers, which further contributes to the growth of this segment.

Specialty Clinics:

Specialty clinics focusing on neurovascular care are increasingly incorporating polymer neurovascular stent retrievers into their practice to enhance treatment outcomes for patients with complex conditions. These clinics often provide tailored services and specialized expertise to manage intricate neurovascular disorders, thereby necessitating the availability of advanced devices. The trend towards specialized care in neurovascular treatments is propelling the demand for polymer stent retrievers, as these devices are integral to performing successful interventions. Moreover, the collaboration between specialty clinics and hospitals enhances the accessibility and effectiveness of neurovascular care, further driving the adoption of these advanced medical devices.

Others:

The "Others" category in the application segment includes various healthcare settings and practices where polymer neurovascular stent retrievers are utilized. This may encompass research institutions, rehabilitation centers, and other specialized care facilities that handle neurovascular conditions. The versatility of polymer stent retrievers makes them suitable for a range of applications beyond traditional settings, thereby contributing to their market growth. As awareness continues to grow regarding the importance of timely intervention in neurovascular diseases, the adoption of these devices across diverse healthcare platforms is expected to increase significantly.

By Distribution Channel

Hospital Pharmacies:

Hospital pharmacies play a crucial role in distributing polymer neurovascular stent retrievers, as they are typically responsible for supplying medical devices needed for procedures conducted within the hospital. The integration of stent retrievers into hospital formulary systems enhances their accessibility for healthcare professionals, ensuring that they are available when needed during interventions. The growing collaboration between manufacturers and hospital pharmacies is facilitating streamlined procurement processes, thus driving the demand for these devices. Additionally, hospitals are increasingly focusing on optimizing their inventory management practices, which further supports the distribution of polymer stent retrievers through pharmacy channels.

Retail Pharmacies:

While retail pharmacies are not the primary distribution channel for polymer neurovascular stent retrievers, they do play a role in the overall supply chain, especially in terms of supporting patients with follow-up care or medication management related to neurovascular treatments. The increasing collaboration between healthcare providers and retail pharmacies is expanding their role in post-procedure care, thus indirectly influencing the market for stent retrievers. Furthermore, as patients seek to understand their post-operative care plan, retail pharmacies become essential partners in facilitating access to necessary supplies and medications, which can enhance overall treatment outcomes.

Online Sales:

The rise of e-commerce has introduced a new dynamic into the distribution of polymer neurovascular stent retrievers. Online sales channels are becoming increasingly popular as they offer healthcare professionals and institutions convenient access to medical devices. The growing trend toward digital platforms for procurement is driving the demand for polymer stent retrievers through online sales, as they enable quicker and more efficient ordering processes. Additionally, online sales platforms often provide extensive product information and reviews, which helps healthcare providers make informed purchasing decisions. As healthcare continues to embrace digitalization, the role of online sales in the distribution of medical devices is expected to grow significantly.

By Material Type

Polyethylene:

Polyethylene is one of the most widely used materials in the fabrication of polymer neurovascular stent retrievers due to its favorable properties, including flexibility and biocompatibility. Its robust nature allows for the design of stent retrievers that can withstand the rigors of neurovascular procedures while ensuring patient safety. The increasing preference for polyethylene-based stent retrievers is driving their demand in the market, attributable to their proven efficacy in various interventional applications. Ongoing innovations in polyethylene formulations are further enhancing the performance of these devices, solidifying their position as a preferred material in the manufacturing of stent retrievers.

Polypropylene:

Polypropylene is another vital material utilized in the production of polymer neurovascular stent retrievers, known for its durability and strength. The unique characteristics of polypropylene allow for the development of stent retrievers that can be designed with intricate geometries, enhancing their effectiveness in capturing and retrieving embolic material. As the market for neurovascular devices continues to expand, the demand for polypropylene-based stent retrievers is anticipated to grow, driven by their reliability in diverse clinical applications. Advancements in polypropylene processing techniques are expected to further improve the efficiency and performance characteristics of these stent retrievers, fostering wider adoption in the healthcare sector.

Polyurethane:

Polyurethane is being increasingly recognized for its exceptional mechanical properties, making it an ideal candidate for the fabrication of polymer neurovascular stent retrievers. This material is known for its flexibility and resilience, allowing for the design of devices that can navigate complex vascular structures while providing optimal performance. The growing interest in polyurethane-based stent retrievers is influenced by their capacity to minimize trauma to the surrounding tissues during retrieval procedures. As manufacturers continue to explore the advantages of polyurethane in medical device applications, its market share in the neurovascular segment is expected to rise significantly.

Silicone:

Silicone is another prominent material used in the development of polymer neurovascular stent retrievers, valued for its flexibility and biocompatibility. The unique properties of silicone allow for the creation of stent retrievers that can conform to the intricate anatomy of the vascular system, thereby enhancing their effectiveness in interventions. The increasing focus on patient safety and comfort in medical procedures is driving the demand for silicone-based stent retrievers, as they are less likely to induce adverse reactions. Ongoing research into improving silicone formulations is expected to further bolster its application in the neurovascular domain, contributing to the overall growth of the market.

Others:

The "Others" category in the material type segment encompasses various alternative materials that are being explored for use in polymer neurovascular stent retrievers. This may include advanced composites or hybrid materials designed to optimize performance while minimizing complications. As the market evolves, the exploration of novel materials is expected to gain traction, driven by the need for enhanced properties such as biocompatibility, flexibility, and mechanical strength. The continued innovation and research in alternative materials are likely to expand the range of options available for manufacturers, thereby contributing to the market's overall growth.

By Region

The North American region is poised to dominate the Polymer Neurovascular Stent Retrievers market, accounting for approximately 40% of the total market share by 2035. The robust healthcare infrastructure in countries like the United States and Canada, coupled with a high prevalence of neurovascular diseases, drives the demand for advanced medical devices. Furthermore, the presence of leading manufacturers and continuous innovations in neurovascular interventions are significant factors contributing to the region's growth. North America is expected to experience a CAGR of around 7% during the forecast period, driven by the increasing adoption of polymer stent retrievers in hospitals and outpatient surgical centers.

In Europe, the Polymer Neurovascular Stent Retrievers market is predicted to hold a significant share, constituting approximately 30% of the global market by 2035. The rising awareness of neurovascular conditions and the growing availability of advanced treatment options are key drivers for market growth in this region. Countries such as Germany, France, and the UK are witnessing an increasing number of neurovascular procedures, thereby bolstering the demand for stent retrievers. Additionally, European regulatory bodies continue to support the innovation and approval of new medical devices, further enhancing market opportunities. The region is expected to exhibit a moderate CAGR of around 6% during the forecast period as healthcare systems adapt to advancements in neurovascular technologies.

Opportunities

The Polymer Neurovascular Stent Retrievers market presents numerous opportunities driven by advancements in medical technology and increasing awareness of neurovascular diseases among healthcare professionals and patients. One significant opportunity lies in the development of next-generation stent retrievers that incorporate innovative designs and materials, which can enhance performance and patient outcomes. Manufacturers focusing on research and development to introduce technologically advanced devices can capitalise on this growing demand, thereby capturing a larger market share. Furthermore, the rise of telemedicine and remote healthcare services offers a platform for educating patients and healthcare providers about the benefits of stent retriever technologies, ultimately leading to increased adoption rates.

Another promising opportunity for market players is the expansion of distribution channels, particularly in emerging markets. As healthcare infrastructure improves in regions such as Asia-Pacific and Latin America, the demand for advanced neurovascular devices is expected to rise significantly. Companies that strategically invest in local partnerships and distribution networks can effectively access these growing markets and cater to the increasing patient population. Additionally, ongoing collaborations between healthcare providers, policymakers, and device manufacturers can facilitate the introduction of innovative stent retrievers and support initiatives focused on improving neurovascular care, further enhancing market prospects.

Threats

One of the primary threats to the Polymer Neurovascular Stent Retrievers market is the presence of stringent regulatory requirements that manufacturers must adhere to in order to obtain approval for new devices. The lengthy and often costly process of regulatory approvals can hinder the pace of innovation and limit the introduction of new products into the market. Additionally, the risk of product recalls due to safety concerns can undermine consumer confidence and negatively impact the reputation of manufacturers. Furthermore, the increasing competition from alternative treatment modalities and technologies may pose a challenge to the market, as healthcare professionals may opt for less invasive or lower-cost options in certain cases.

Another significant restraining factor for the Polymer Neurovascular Stent Retrievers market is the high cost associated with advanced medical devices. Many healthcare systems, particularly in developing regions, may struggle to afford these cutting-edge technologies, resulting in restricted access for patients who may benefit from such interventions. The financial burden on healthcare facilities to invest in expensive stent retrievers may lead to reduced procurement and diminished market growth. Moreover, the variability in reimbursement policies across different regions can complicate the financial feasibility of incorporating these devices into clinical practice, further acting as a restraining factor for the market.

Competitor Outlook

• Medtronic plc
• Boston Scientific Corporation
• Terumo Corporation
• Penumbra, Inc.
• Stryker Corporation
• Johnson & Johnson
• MicroVention, Inc.
• Neurotherapeutics, LLC
• Abbott Laboratories
• Asahi Intecc Co., Ltd.
• Cook Medical
• Cerenovus
• Cardinal Health, Inc.
• Merit Medical Systems, Inc.
• REVA Medical, Inc.

The competitive landscape of the Polymer Neurovascular Stent Retrievers market is characterized by the presence of several key players striving to maintain their position through innovation and strategic collaborations. Leading companies such as Medtronic, Boston Scientific, and Terumo Corporation are continuously investing in research and development to enhance their product offerings. These firms are focused on developing advanced stent retriever technologies that offer improved efficiency and safety for patients undergoing neurovascular interventions. Furthermore, partnerships with healthcare providers and research institutions are commonly employed strategies to facilitate product development and improve market penetration.

Medtronic plc, for instance, is a major player in the neurovascular market, with a robust portfolio of advanced stent retriever devices designed for the treatment of acute ischemic stroke. The company has been actively engaged in clinical trials to demonstrate the efficacy of its innovative products, thereby reinforcing its reputation as a leader in this sector. Similarly, Boston Scientific Corporation is recognized for its commitment to advancing neurovascular care through cutting-edge technology and extensive clinical research. Their focus on developing minimally invasive solutions has garnered significant attention from healthcare professionals, enhancing their market share in the polymer neurovascular stent retrievers segment.

In addition, the emergence of new players and startups is adding to the competitive dynamics within the market. Companies like Penumbra, Inc. and Cerenovus are gaining traction with their novel device designs and are rapidly becoming significant competitors in the polymer neurovascular stent retrievers market. These companies are leveraging their agility to bring innovative products to market quickly, catering to the evolving needs of healthcare providers. As the market continues to expand, the competitive landscape will likely see ongoing consolidation and partnerships among key players, aiming to enhance their capabilities and broaden their reach.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 Cerenovus
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 Cook Medical
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 Medtronic plc
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 Penumbra, Inc.
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 Johnson & Johnson
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 MicroVention, Inc.
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 REVA Medical, Inc.
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 Terumo Corporation
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 Abbott Laboratories
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 Stryker Corporation
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 Cardinal Health, Inc.
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 Asahi Intecc Co., Ltd.
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 Neurotherapeutics, LLC
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 Merit Medical Systems, Inc.
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis
  • 5.15 Boston Scientific Corporation
    • 5.15.1 Business Overview
    • 5.15.2 Products & Services
    • 5.15.3 Financials
    • 5.15.4 Recent Developments
    • 5.15.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Polymer Neurovascular Stent Retrievers Market, By Application
    • 6.1.1 Hospitals
    • 6.1.2 Ambulatory Surgical Centers
    • 6.1.3 Specialty Clinics
    • 6.1.4 Others
  • 6.2 Polymer Neurovascular Stent Retrievers Market, By Product Type
    • 6.2.1 Coil Retrievers
    • 6.2.2 Basket Retrievers
    • 6.2.3 Aspiration Retriever Devices
    • 6.2.4 Suction Retriever Devices
    • 6.2.5 Snare Retrievers
  • 6.3 Polymer Neurovascular Stent Retrievers Market, By Material Type
    • 6.3.1 Polyethylene
    • 6.3.2 Polypropylene
    • 6.3.3 Polyurethane
    • 6.3.4 Silicone
    • 6.3.5 Others
  • 6.4 Polymer Neurovascular Stent Retrievers Market, By Distribution Channel
    • 6.4.1 Hospitals Pharmacies
    • 6.4.2 Retail Pharmacies
    • 6.4.3 Online Sales

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Asia Pacific - Market Analysis
    • 10.2.1 By Country
      • 10.2.1.1 India
      • 10.2.1.2 China
      • 10.2.1.3 Japan
      • 10.2.1.4 South Korea
  • 10.3 Latin America - Market Analysis
    • 10.3.1 By Country
      • 10.3.1.1 Brazil
      • 10.3.1.2 Argentina
      • 10.3.1.3 Mexico
  • 10.4 North America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 USA
      • 10.4.1.2 Canada
  • 10.5 Middle East & Africa - Market Analysis
    • 10.5.1 By Country
      • 10.5.1.1 Middle East
      • 10.5.1.2 Africa
  • 10.6 Polymer Neurovascular Stent Retrievers Market by Region

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Polymer Neurovascular Stent Retrievers market is categorized based on

By Product Type

• Coil Retrievers
• Basket Retrievers
• Aspiration Retriever Devices
• Suction Retriever Devices
• Snare Retrievers

By Application

• Hospitals
• Ambulatory Surgical Centers
• Specialty Clinics
• Others

By Distribution Channel

• Hospitals Pharmacies
• Retail Pharmacies
• Online Sales

By Material Type

• Polyethylene
• Polypropylene
• Polyurethane
• Silicone
• Others

By Region

• North America
• Europe
• Asia Pacific
• Latin America
• Middle East & Africa

Key Players

• Medtronic plc
• Boston Scientific Corporation
• Terumo Corporation
• Penumbra, Inc.
• Stryker Corporation
• Johnson & Johnson
• MicroVention, Inc.
• Neurotherapeutics, LLC
• Abbott Laboratories
• Asahi Intecc Co., Ltd.
• Cook Medical
• Cerenovus
• Cardinal Health, Inc.
• Merit Medical Systems, Inc.
• REVA Medical, Inc.