Materials, Adhesives & Coatings

Coating/​Surface Modification

Review the latest advances and technical briefs in medical coatings and surface modification, including plasma-enhanced chemical vapor deposition and plasma-applied coatings to products like stainless steel guide wires, catheters, stents and vascular surgical tools.

Latest Briefs & News

Features : Materials
Functional PVD Coatings Improve Medical Device Performance and Life

As the medical device industry continues to grow rapidly, manufacturers must contend with a variety of challenges if they wish to differentiate products in a highly...

Products : Electronics & Computers
New Products & Services: May 2019 Medical Design Briefs

Medical Adhesives

Epoxy Technology, Billerica, MA, has completed ISO 10993 testing of its previously Class VI adhesives, as well as the addition of 12 new medical-device-grade...

Briefs : Materials
Enhancing Electrode Properties with Laser Restructuring

The materials that go into medical devices — particularly implantable electrical devices — have to strike a unique balance of properties. Once you consider biocompatibility and all...

R&D : Medical
Silver Nanowires Promise More Comfortable Smart Textiles

Researchers have developed a simple, scalable, and low-cost capillary-driven self-assembly method to prepare flexible and stretchable conductive fibers that have applications in...

Products : Manufacturing & Prototyping
New Products & Services: March 2019 Medical Design Briefs

Flush-Head Studs

Self-clinching flush-head studs from Penn-Engineering, Danboro, PA, feature a thread profile that enables quick mating with push-on plastic nuts, wire tie...

R&D : Sensors/Data Acquisition
Photonic Radiation Sensors Survive Huge Doses Undamaged

Landmark test results suggest a promising class of sensors can be used in high-radiation environments and to advance important medical, industrial, and research applications.

R&D : Materials
Smart Surfaces for Safer Implants

Researchers have engineered surface coatings that can repel everything, such as bacteria, viruses, and living cells, but can be modified to permit beneficial exceptions. The discovery holds significant...

Briefs : Materials
Blood-Repellent Materials: A New Approach to Medical Implants

Medical implants like stents, catheters and tubing introduce risk for blood clotting and infection — a perpetual problem for many patients.

Briefs : Medical
Creating a Slippery Slope on the Surface of Medical Implants

Implanted medical devices such as left ventricular-assist devices for patients with heart failure or other support systems for patients with respiratory, liver, or other end organ...

News : Medical
Controlling Bacterial Growth on Catheter Surface

A team of researchers from the University of New Mexico, Duke University, and the University of Florida say that they have uncovered a new technique to trap, kill, and release bacteria from a surface, such as bacterial growth on a urinary catheter. They explained that they used cationic polymers...

Briefs : Materials
Gold Standard for Implantable Electrodes?

Gold coating could reduce scarring.

A team of scientists from Lawrence Livermore National Laboratory, Livermore, CA, working with other researchers at the University of California, Davis, say that covering an implantable neural electrode with nanoporous gold could eliminate the risk of scar...

Features : Materials
New Trends in Orthopedic Implant Coatings

Most orthopedic implant manufacturers still rely heavily on traditional coatings for their implants, such as sintered bead and plasma-sprayed metallic and hydroxyapatite (HA) coatings. These technologies are well-established, very familiar to both surgeons and the FDA, and have accumulated large bodies...

News : Materials
Converting Cotton Fabric into Transistors

A team of fiber scientists at Cornell University, Ithaca, NY, have created cotton fabric that, they say, can kill bacteria, conduct electricity, ward off malaria, capture harmful gas, and weave transistors into clothing. They explain that cotton, a cellulose-based material, can be controlled one atom at...

News : Materials
Heart-Powered Electronics

Researchers at the University of Illinois at Urbana-Champaign have created thin, flexible electronic devices that efficiently harvest the mechanical energy from natural motions of the human body. In addition to advances in materials processing to enable fabrication of these thin film devices, accurate analytical models...

Features : Medical
Guide Wire Coatings Put to the Test

Guide wires with a highly lubricious coating are an essential staple of many interventional procedures. In the operating room (OR), you can observe guide wires undergoing multiple passes, constant rotational forces, insertions, and extractions. Just how a design team tests a guide wire coating is essential to...

Features : Photonics/Optics
Surface Engineering in Medical Technology: From DLC to Plasma and Beyond

New materials and technological advances continue to proliferate the medtech industry at a rapid rate, and suppliers strive to offer innovative solutions to meet the demands of increasingly complex components and devices. A wide range of specialized materials are used...

Products : Medical
Amplicoat Conductive Coating for Medical Devices

Biotectix, Ann Arbor, MI, has introduced a highly durable electroconductive polymer coating called Amplicoat™, which incorporates Photolink®, a proprietary surface modification technology developed by SurModics, Inc. The new coating can be easily applied to a variety of metal electrodes,...

News : Materials
Creating Ultra-thin Color Coatings

A team of applied physicists at Harvard University School of Engineering and Applied Sciences, Cambridge, MA, are developing a technology that coats a metallic object with an extremely thin layer of semiconductor, just a few nanometers thick. Although the semiconductor is a steely gray color, the object shows...

News : Medical
Medical Device Coating Repels Bacteria

Any medical device implanted in the body or in contact with flowing blood faces two critical challenges that can threaten the life of the patient the device is meant to help: blood clotting and bacterial infection. But, a team of scientists at the Wyss Institute for Biologically Inspired Engineering at...

News : Materials
Attacking Biofilm Formation

New research by mechanical engineers at Purdue University, West Lafayette, IN, aims at fighting bacterial biofilms that can foul implantable medical devices. Bacteria secrete a slimy substance that forms biofilms, allowing bacterial colonies to thrive on surfaces, including catheters, prosthetic valves, and other...

News : Materials
Untangling the Secret of Barnacle Superglue

The strength of barnacle cement is unbeaten when compared to anything man-made, say researchers at Newcastle University, UK. It can stick to any surface, under any conditions. But exactly how it works has been a mystery. The international team of scientists have shown for the first time that barnacle...

News : Materials
Nature-Inspired Model for Low-Friction Bearings

The natural mechanical properties of natural joints are considered unrivalled. Cartilage is coated with a special layer of lubrication that allows joints to move virtually friction-free, even under high pressure. Using simulations on supercomputers, scientists from Forschungszentrum Jülich in...

Briefs : Medical
First Light-Activated Antimicrobial Surface

A team of scientists at the University College London (UCL) have developed a new antibacterial material that could help cut hospital-acquired infections. They used a combination of two dyes with nanoscopic particles of gold, which, they say, is deadly to bacteria when activated by light, including...

News : Materials
A Graphene-Metal Sandwich Could Improve Electronics

Researchers have discovered that creating a graphene-copper-graphene “sandwich” enhances copper’s heat conducting properties, which could help in shrinking electronics. Engineers at the University of California, Riverside, and the University of Manchester, UK, in collaboration, found that...

News : Medical
Coating Material May Prevent Blood Clots from Implants

A team of researchers from UCLA and the University of Michigan, Ann Arbor, has developed a material that could help prevent blood clots associated with catheters, heart valves, vascular grafts, and other implanted biomedical devices.

News : Medical
Coating Material May Prevent Blood Clots from Implants

A team of researchers from UCLA and the University of Michigan, Ann Arbor, has developed a material that could help prevent blood clots associated with catheters, heart valves, vascular grafts, and other implanted biomedical devices.

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