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Wave springs and retaining rings meet the needs of medical tasks

Wave springs and retaining rings meet the needs of medical tasks

Medical equipment manufacturers are increasingly asking the question: “Where can I find the compact components I need to support my designs?”

Wave springs are produced to reliably satisfy precise operating conditions which make them ideal for accurate load, and the tight radial and axial spaces. Now, with manufacture in surgical 316 stainless steel and implantable titanium, they are increasingly being found in many medical applications.

Smalley’s Spirolox retaining rings and wave springs have long been found in medical devices from surgical instruments to implantables, imaging equipment to dental tools and more. The illustration, for example, shows a Smalley medical hip replacement. The company is certified to the ISO 13485:2016 standard written specifically for medical device manufacturers, has its foundation based on ISO 9001.

Over the course of many years, Smalley’s production team have significantly enhanced their ability to produce smaller and smaller springs to match the requirements of the medical and electronic industries. This development has culminated in the recent expansion of the popular YC and YCM series down to 5mm in diameter, with special designs being available down to 4mm in diameter. This comes along with a unique edge winding process that enables parts to be cost-effectively manufactured from many materials, including surgical 316 stainless steel and implantable Titanium.

These latest manufacture developments from Smalley have created further possibilities for designers within the medical industry where typically small cavity sizes limit the available spring force properties. For almost 40 years TFC has partnered with US based Smalley Steel Ring Company to become the leading European supplier and technical support centre for Smalley’s wave springs, Spirolox retaining rings and snap rings. The flagship Crest-to-Crest multi-turn compression springs have always been of interest to designers because of their axial and radial space saving features.

As engineers around the world design smaller and smaller assemblies, TFC is readily able to answer the question the most challenging medical design questions.

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