SOVRIN | Technical Moulding

Speciality Orthopaedic Syringe

A company with a requirement for a unique design of syringe for delivery of their novel product asked plastic injection moulding specialists Sovrin to conduct a DFM, manufacture mould tools and provide volume injection moulding and assembly.

Project:

• Specialised design called for more challenging polymers and tool design
• Capability for sterilisation by ETo
• Total oxygen barrier required for drug compatibility
• Zero draft in syringe bore
• Tight tolerances
• Flow patterns studied by Moldflow to overcome difficulties created by product design
• Soft-touch overmould required
• Functional seal feature to be overmoulded

Outcome:

• Suitable specialist polymer identified and successfully tested
• Tool design proved by capability studies & verification protocols
• Results of Moldflow analysis incorporated into tool design
• Elastomers compatible with overmoulding identified and successfully tested
• Product developed to clinical trial readiness