How Overmolding Enhances Handheld Medical Devices

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What is Overmolding and What Does it Mean for Products and Profits?

Increasingly popular with manufacturers of consumer products, medical devices, and portable devices, overmolding improves functionality, performance, and aesthetics.

But, what is overmolding? And, more importantly, how can it affect how products are designed and profits achieved?

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Thermoplastic Elastomer (TPE) vs. Liquid Silicone Rubber (LSR)

Confusion about which plastics align with a particular application can cause uncertainty about if and when to use custom injection molding. As a result, OEMs may not take advantage of how plastics benefit product design

“Thermoplastic” and “thermoset” sound similar and both plastics categories offer choices appropriate for complex applications in a range of markets. However, it's the properties and processing behaviors of  the materials within the categories that ultimately reveals the best choice for your injection molding project.

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7 Ways to Join Plastic: How Does Plastic Overmolding Compare?

Plastics are extremely versatile, making them sought-after materials across a range of industries. For instance, in the United States the transportation/automotive and construction industries are two of the three major markets that account for the more than $31 billion spent annually on plastic components and products.1

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Overmolded Medical Device Components Meet In-Home Healthcare Demands

According to global aging data compiled by the United Nations, by 2050 1 in 6 people in the world will be over the age of 65.1 That's a dramatic jump from current statistics that place the same segment of the population at 1 in 11.1

As a result — and in light of spikes in medical demand due to COVID-19 for all age groups — healthcare is rapidly shifting from clinics and hospitals to in-home care and smaller, non-traditional facilities.

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Overmolding: Key Considerations When Selecting Materials and Molders

Overmolding is a value-added injection molding method for improving plastic and metal substrate performance and aesthetics. While seemingly simple, the process has a number of underlying complexities that must be carefully considered to ensure your overmolding project meets all goals and expectations.

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Choose Wisely: Overmolding vs. Insert Molding

Manufacturers tasked with making products that serve a wide range of functional and aesthetic purposes often turn to multi-material injection molding for solutions – more specifically, to insert molding and overmolding. Since the two processes bear some similarities they’re often thought of as interchangeable, but there are some key differences.

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Case Study: The Role of Injection Molding in Medical Device Redesign

Constantly evolving, the medical industry requires OEMs to be forward-thinking in providing solutions that address trends and challenges. One such OEM, Smiths Medical, sought to change the design of its existing pulse oximetry portfolio to include enhanced functionality and improved manufacturability. At the project’s inception, they partnered with the U.S.-based injection molding experts at Kaysun to help refine and ultimately accomplish their goals.

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Top 5 Benefits of Injection Molded Surgical Devices

Medical grade polymers are quickly becoming the preferred material for a broad range of surgical devices. In certain applications, the robust mechanical properties of medical molding polymers allow complete removal of metal from the surgical device design. In other instances, plastic and metal components can combine to create an enhanced product, with attributes that would not be possible in either an all-metal or an all-plastic device. 

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