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In association with Sandvik
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October 21, 2020updated 08 Sep 2021 4:35pm

A new webinar from Sandvik sheds light on the importance of coatings

The challenges manufacturers face when designing and building a medical device are innumerable, each component needs to be fit-for-purpose, budgets and deadlines must be met, and ultimately, OEMs want to find the way to best benefit the patient.

Medical-wire components are an essential part of a number of therapeutic devices, from pace makers to catheters to glucose monitors. They play the important role of transmitting, sensing or stimulating signals within the body, all the while needing to be biocompatible and offer various features (depending on the application) such as lubricity, conductivity or fatigue resistance.

Free Whitepaper
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Medical Metals and Coatings

Medical-wire components are essential for therapeutic devices. They play the important role of transmitting, sensing or stimulating signals within the body, all the while needing to be biocompatible and offer various features (depending on the application) such as lubricity, conductivity or fatigue resistance. OEMs must choose an appropriate metal material and configuration (such as thickness or coiling), as well as a suitable coating to ensure that the medical device is as efficient and reliable as it can be. This whitepaper outlines the support you can receive from Sandvik experts for materials and coating selection, with an included example of how materials are selected for orthopedic applications, which marked the company’s entrance into the medical field.
by Sandvik
Enter your details here to receive your free Whitepaper.

In addition to choosing an appropriate metal material and configuration (such as thickness or coiling etc), manufacturers are also faced with the task of choosing what coating their wire-component requires to ensure the medical device is as efficient and reliable as it can be. A poll completed during Sandvik Material Technology’s webinar, “Coatings effect on wire-based components in medical devices”, confirms this is a significant challenge.

Viewers were asked “what are the most frequent issues in the design phase for you?”, 20% of respondents stated that their common issue was “to meet deadlines due to lack of resources, while a further 20% suggested a “lack of materials and coating knowledge in-house.” Notably, 60% of respondents said that the most frequent design issue for them was simply “to find the right coatings.”

With this in mind, the webinar presents and explains to viewers how product performance, manufacturability and cost are affected when it comes to coating selections. Speakers include Gary Davies, production and business unit manager at Sandvik Palm Coast, Gene Kleinschmit, senior product manager, and Josh Geitner, engineering and facilities manager.

Finding the right coating is indeed a challenge, even for an experienced design team. There are numerous and ever-changing options on the market. Sandvik offers more than forty polymer-based stand-alone dip-coating options, which can be combined to formulate a custom-built solution. As the poll suggested, customers may be aware of the various options available, but they require the expertise to find the right solution based on experience and effective prototyping to keep within deadlines and prevent unnecessary expenditure. The goal for this webinar is to share the experience Sandvik has accumulated with those in the medical device industry who want to learn more about the key interactive parameters that help to drive a better product design decision and create reliable long-lasting products.

Polymer coatings are typically applied to wire-components for medical devices to provide electrical isolation for signal transmission, offer a lubricious surface layer to reduce tissue damage, or to enhance biocompatibility. Manufacturers must also keep follow-on procedures in mind, such as coiling and stranding, as this will affect which coating is optimal.

The webinar explains what coating methods are used and why. Multiple flood or dip processes are used to achieve process full coating thickness (which range from 0.005 mm to 0.05mm), and employing a multi-layered design will instil unique properties. They also discuss what polymer materials are available, including synthetic resin based coatings, self-bond thermoplastics, and high-performance polymers, as well as explain the properties that different polymer materials provide and their suitability for different applications. Additionally, the webinar also discusses the key areas of consideration that occur during the selection process, including material formability, abrasion resistance, adhesion, solvent resistance, thermal stability, colour and biocompatibility, as well as cost and coating removal methods.

Listen to the Sandvik sponsored webinar here to find out how to select the optimal coating for medical device wire-based components.

Free Whitepaper
img

Medical Metals and Coatings

Medical-wire components are essential for therapeutic devices. They play the important role of transmitting, sensing or stimulating signals within the body, all the while needing to be biocompatible and offer various features (depending on the application) such as lubricity, conductivity or fatigue resistance. OEMs must choose an appropriate metal material and configuration (such as thickness or coiling), as well as a suitable coating to ensure that the medical device is as efficient and reliable as it can be. This whitepaper outlines the support you can receive from Sandvik experts for materials and coating selection, with an included example of how materials are selected for orthopedic applications, which marked the company’s entrance into the medical field.
by Sandvik
Enter your details here to receive your free Whitepaper.

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