Tag: Vascular Surgery

Magnetic Steering System for Guidewires

Percutaneous coronary intervention is an incredibly useful technique to minimally invasively investigate and treat cardiac issues, such as blockages in the coronary arteries, but it requires a significant amount of skill to perform safely and effectively. Manipulating a guidewire through the tortuous vasculature is not for the faint hearted, with t (Read more...)

One-Step Manufactured Meta-Bots with Medical Potential

Engineers at the University of California Los Angeles have developed “meta-bots,” which are fingernail sized robots that can move, sense, and navigate their environment. Strikingly, the robots are essentially ready for use when they emerge from the 3D printer, and consist of piezoelectric actuators that can respond to or generate electr (Read more...)

Smart Stent Monitors Hemodynamics

Researchers at the Georgia Institute of Technology have developed a smart stent that can monitor hemodynamic parameters. The wireless and battery-free device can transmit the data to the outside of the body, and is powered through a wireless energy transfer system that uses magnetic fields, similar to wireless chargers that are available for many s (Read more...)

New Vascular Contrast for Clearer Blood Vessel Imaging

Researchers at Johns Hopkins developed a new imaging technique that allows them to view the vasculature of experimental animals in great detail. Research into a variety of conditions, from vascular disease to cancer, relies on acquiring images of the vasculature in animals, with a variety of imaging techniques available. These researchers have crea (Read more...)

Cracking Calcium in Arteries Using Sound Waves: Interview with Shockwave Medical’s Scott Shadiow

Shockwave Medical, a medtech company based in California, has developed a technique called intravascular lithotripsy, which involves delivering sonic waves to calcified plaque in an artery in much the same way that sound waves have been used to treat kidney stones for many years. The idea is to safely crack the calcified deposits so that […]

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Steerable Catheter to Navigate Tortuous Blood Vessels in Brain

A team at University of California San Diego invented a way to make steerable catheters that can more precisely navigate the tortuous architecture of the brain vasculature. The device was bioinspired by delicate structures found in nature, including flagella and insect legs, and uses principles from soft robotics to create a hydraulic steering syst (Read more...)

Levita Robotic Platform: Interview with Alberto Rodriguez-Navarro, CEO of Levita Magnetics

Levita Magnetics, a California-based company that specializes in laparoscopic systems, has recently announced that its Levita Robotic Platform, a surgical robot that is still in development, has been used to perform surgery on a patient for the first time in a hospital in Chile. The robot uses similar magnetic technology as in the company’s h (Read more...)

Ultrasound Patch Monitors Blood Flow

Researchers at the University of California San Diego created an ultrasound patch that can measure blood flow in vessels as deep as 14 cm within the body. The stretchy patch can be applied to the skin and may help clinicians to monitor and diagnose various conditions, including blockages that could cause an infarct. The patch […]

Aortic Occlusion to Enhance Blood Flow to Brain and Heart: Interview with Habib Frost, CEO of Neurescue

Neurescue, a medtech company based in Denmark, created the NEURESCUE system, a balloon catheter designed to occlude the aorta, resulting in a significant increase in blood flow to the heart and brain. The mechanism is intended to provide emergency treatment for patients suffering a hemorrhage or cardiac arrest. Both hemorrhage and cardiac arrest re (Read more...)

Mobility-Enabled Compression Device for Lymphedema: Interview with CEO of Koya Medical

Koya Medical, a medtech company based in California, has developed the Dayspring active compression system for the treatment of lymphedema. The company received FDA clearance for the use of Dayspring on the upper extremities in June 2020, and just recently announced 510(k) clearance for use in the lower extremities. Lymphedema involves impaired lym (Read more...)

Kirigami Stent for Localized Drug Delivery

Researchers at MIT have developed a kirigami-style stent that can provide localized drug delivery through needle-like projections that pop out when the stent is extended. The ‘spines’ on the stent’s surface deliver drug-loaded microparticles into the surrounding tissue, allowing for sustained drug release for an extended period. T (Read more...)

Anti-Restenotic Drug Delivery with the AGENT Drug-Coated Balloon: Interview with Dr. Ian Meredith, Global CMO, Boston Scientific

Boston Scientific recently announced a clinical trial of its AGENT drug coated balloon. The device is coated with paclitaxel, an anti-restenotic drug, and aims to deliver the medication to the affected vessel wall during a percutaneous procedure. Coronary in-stent restenosis (ISR) is caused by occlusive scar tissue that develops in the stented port (Read more...)

PerQseal+ for Large Diameter Arterial Closure: Interview with Andrew Glass, CEO of Vivasure Medical

Vivasure Medical, a medtech company based in Galway, Ireland, has developed the PerQseal device, a synthetic implant designed to seal large bore blood vessel punctures. The implant has utility in a wide variety of transcatheter endovascular procedures, such as transcatheter aortic valve replacement (TAVR), thoracic endovascular aneurysm repair (TEV (Read more...)

Light-Responsive Hydrogel to Fill Cerebral Aneurysms

Researchers at Pohang University of Science & Technology (POSTECH) in Korea have developed a new technique to treat cerebral aneurysms. Described in journal Advanced Materials, the treatment involves using a catheter to deliver an alignate hydrogel that is crosslinked in place within the aneurysm using light. The hydrogel is not degradable and (Read more...)

Wireless Sensor Measures Deep Tissue Oxygen Levels

Researchers at the University of California, Berkeley have developed an ultrasound-powered implantable sensor that can measure oxygen levels in tissues deep within the body and transmit these data to an external device. The technology could be useful in monitoring transplant viability or oxygen exposure in preterm infants. It also has potential to (Read more...)