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Insulin delivery device


Introduction

In the earlier days insulin injection had to be given using a syringe and needle, like any other injection. As insulin injection are to be self-injected and that too daily, this conventional method was giving rise to several problems to people with diabetes.
The limitations and the problems posed by the syringe and vial (bottle of insulin)  are

• Cumbersome procedure
• Difficult to transport and carry around
• Inaccuracy in withdrawing the correct amount of insulin 
• Difficulty in mixing insulin
• Insulin wastage
• Stigma of injections and hence suggestion of ill-health
• Needle passes a rubber membrane and losses sharpness

Insulin Delivery Devices

These are basically of 2 types :

1. Durable Pen- NovoPen® 4

2. Prefilled Pen- FlexPen®