Adhesive improves syringe safety
A
Bondmaster product story
Edited by the Engineeringtalk editorial team
Jan 17, 2003
Bondmaster was chosen as the adhesive supplier partner in a recent project to develop a safe non-reusable medical syringe.
In the traditional design of a medical syringe the needle assembly is formed by bonding the steel cannula to a plastic hub and is detachable from the syringe body.
Because it is possible therefore to detach the needle assembly from the syringe body it is therefore possible to reuse both these elements.
The re-use of hypodermic needles is an unsafe practice, which is still common in many nations.
It is a key objective of many healthcare organisations to prevent the re-use of both hypodermic needles and syringes in order to remove the risk of infection through this practice.
A non-reusable syringe has been developed which relies on the steel cannula being bonded directly to the syringe - it is therefore not detachable and in combination with a novel plunger component the syringe and needle are rendered useable only once.
Bondmaster was chosen as the adhesive supplier partner for the project to develop this safe syringe.
The application presented challenge for an adhesive manufacturer, to provide a failsafe bond between the steel cannula and the polypropylene syringe.
Bondmaster epoxy adhesive 4E98 is ideally suited to this application.
Once the adhesion performance objective was attained Bondmaster worked with the medical device manufacturer to optimise the physical characteristics of the adhesive such as and cure speed and viscosity, which enabled the device manufacturer to maximise line speed and to perfect the application performance of the production equipment.
One particular advantage gained through the use of 4E98 is that it cures at low temperature; this enables the device manufacturer to lower both energy costs and the environmental impact of production through reducing energy use.
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