![]() High-volume production of small and thin-walled cannulas using traditional methods like extrusion, tipping, and gluing to a metal hub presents several limitations that hinder efficiency and quality. Overall, these cannulas empower medical professionals to provide more effective treatments, reduce patient trauma, and advance the landscape of modern medical procedures. Additionally, as medical technologies continue to evolve towards miniaturisation and minimally invasive techniques, small and thin-walled cannulas become essential components for innovative medical devices. ![]() Their slender design enables access to intricate anatomical structures that might be challenging to reach with larger instruments. Moreover, these specialised cannulas are particularly crucial in fields where intricate manoeuvrability is essential, such as neurosurgery and cardiovascular interventions. Small and thin-walled cannulas also contribute to enhanced precision during delicate procedures, enabling healthcare professionals to access targeted areas within the body with greater accuracy. Their diminutive size and thin walls allow for minimal tissue disruption during insertion, resulting in reduced pain, faster recovery times, and decreased risk of complications. These slender and delicate tubes are instrumental in facilitating less invasive procedures such as laparoscopic surgeries, endoscopy, and catheter insertions. Small and thin-walled cannulas play a pivotal role in various medical applications due to their significance in minimising patient discomfort and optimising medical procedures. ![]() This technology empowers medical OEMs to create more advanced and efficient devices that enhance patient care, minimise invasiveness, and improve overall medical procedures. These devices often require intricate designs, tight tolerances, and biocompatible materials, which micro injection moulding can accommodate. Micro injection moulding enables the production of intricate medical components such as catheters, implants, connectors, cannulas, and drug delivery devices with precise dimensions and intricate features. In the medical field, where minimally invasive procedures are becoming increasingly prevalent, the need for smaller medical devices and tools is crucial. The process allows for the creation of complex geometries and extremely thin-walled components that are difficult to achieve through traditional moulding techniques.įor medical device OEMs, micro injection moulding is of paramount importance as the demand for smaller and thinner components continues to rise. It utilises specialised machines and moulds to inject molten plastic into tiny cavities, typically on the scale of micrometers to millimetres. ![]() Micro injection moulding is a precision manufacturing process that involves the production of small and intricate plastic parts with high accuracy and repeatability. It took Accumold five years to perfect the micro injection moulding of thin wall cannulas at volume, and this article describes how it was done, the issues at play when micro injection moulding such intricate devices, the advantages of the micro injection moulding process, and what this means for medical device applications moving forward. Previous to this innovative approach to production, cannulas were typically produced via an extrusion process, which is at the same time expensive, prone to high fall out rates, and which does not lend itself to the high volumes required by medical device OEMs for some applications. After five years of work, micromoulding innovator Accumold has developed a way to micro injection mould thin wall cannulas in very high volumes. ![]()
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