Dev Shah — portfolio
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1 mL PFS Needle Safety Device

A three-part retrofit that adds passive needle safety to glass pre-filled syringes without touching an existing filling line.

Year
2021
Where
Mediscient Devices Pvt. Ltd.
My role
Co-developed the needle safety mechanism and the prototypes
Disclosure
Mechanism details confidential
Pre-filled syringeNeedle safetyRetrofitPatent pending

This is a needle safety device for pre-filled syringes, designed for pharma companies that have expensive filling lines set up for glass pre-filled syringes but now, after 5–10 years, wish to incorporate a needle safety mechanism.

It is a three-part device — including the spring — plus the pre-filled syringe. A newly filled syringe straight out of the filling line can be easily assembled with it. After the dose is complete a sleeve comes out at the bottom, as shown in the images. That acts as the needle safety.

Working 3D printed prototype using transparent resin.Working 3D printed prototype using transparent resin.
Working 3D printed prototype using transparent resin.
The device tested on a skin pad.
The device tested on a skin pad.