Coextruded tubing products offer additional functions through multiple material combinations and facilitate secondary assembly processes. This article presents four applications in which coextruded micro tubings have solved problems and reaped significant advantages: infusion therapy, regional anaesthesia, micro dialysis and parenteral feeding.
The use of modern software tools and processes can make a significant contribution to developing reliable software for medical devices. These techniques can help bring products to market more rapidly and cost-effectively because the production of compliance documentation is automated and ensures that quality control processes are strictly and demonstrably observed.
Demand for mobile and wireless diagnostic and therapy devices is increasing and microsystems technology is helping to meet that demand.
Twenty years ago, evidence of the lack of biodegradability in a family of supposedly biodegradable polymers caused the curtailment of interest in the potential commercial applications of this family. Now that has all changed following some innovative polymer chemistry and recombinant DNA technology.
Medical device manufacturers operating under European quality system requirements are sometimes surprised to learn that their supplier control procedures do not fully meet United States (US) requirements. This article discusses important differences between US and European requirements for controlling suppliers.
The standardisation of analogue front end products is allowing the development of portable ultrasound devices that provide enhanced image quality while minimising power consumption. The design opportunities associated with the use of these products are described.
Technological developments in specific areas of multicavity hot runner systems are improving quality control and repeatability and reducing cycle times. Advances such as closed loop filling control of multicavity moulds within the mould itself, servo-actuated valve gates and synchronised valve stems are discussed.
This account of a company's struggle to take its product from concept to market reality details how micro moulding techniques can help meet difficult design requirements and create successful products with increased output.
Ever since metals have been used within the human body, there has been controversy over whether they do harm as well as good. There is now another dimension to this issue provided by experiences with recent metal-on-metal hip replacements.
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