Several Plastics That are Commonly Used In Medical Device2018-07-04 Click
Modern healthcare would not be possible without the use of plastic materials. From the casing of an open MRI machine to the smallest tubing, plastics have made health care simpler and more functional. Many medical appliances are all made of plastic, like plastic disposable syringes, plastic intravenous blood bags and plastic heart valves. Plastic materials also have reduced the weight of eyeglass frames and lenses.
They are key components of modern prosthetic devices offering greater flexibility, comfort and mobility. Plastics allow artificial hip and knees to provide smooth working, trouble free joints. Plastic packaging, with its exceptional barrier properties, light weight, low cost, durability, and transparency, is ideal for medical applications.
Today's most innovative medical procedures are dependent on the plastic material.
Traditionally, metals, glass and ceramics were used for medical implants, devices and supports. However, polymers are better suited to these applications as they offer lighter weight, better biocompatibility and lower cost.
Fibers and resins used in medical applications include polyvinyl chloride (PVC), polypropylene (PP), polyethylene (PE), polystyrene (PS) as well as nylon, polyethylene terephthalate (PET), polyimide (PA), polycarbonate (PC), acrylonitrile butadiene (ABS), polyetheretherketone (PEEK) and polyurethane (PU). The most widely used plastic material in medical applications is PVC followed by PE, PP, PS and PET. PVC is most widely used in pre-sterilized single use medical applications. It is a versatile plastic that has been used in medical applications for over 50 years.
Advantages of Injection Molding
There are several advantages when it comes to using injection molding over other plastic molding processes. It allows plastic molding manufacturer to be able to produce more complex products in different shapes and designs that otherwise would be difficult or impossible. It would also make the cost of the product considerably higher. With the injection molding process, plastic mould manufacturer are able to mass produce parts because of the high production output while having a low labor cost that is easy to repeat.
Injection molding allows for workload to be cut down because the product is essentially finished once the initial plastic mold is designed.
It also helps to save resources for plastic mould supplier because the supplier will be able to recycle material or any unused molding plastic or scraps. Those items can be melted down and reground for possible future use; therefore the plastic mould manufacturer has very little wasted material. Another advantage to injection molding is that the productivity may increase because it saves the company money and time in during mass production.
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