Two PenMix 30/70 insulin injection pens from packet of five by Novo Nordisk A/S, DK-2880 Bagswaerd, Denmark, 1992-95. Each pen contains a mixture of byphasic and isophane human insulin and is a disposable dial-a-dose insulin delivery device able to deliver 2 - 78 units of insulin in increments of 2 units. Launched in Britain in February 1993. Group of insulin delivery devices, 1985-1993. 1992-1995