Insulin administration techniques have advanced significantly over the years, moving from glass syringes with long needles to disposable syringes with finer needles to prefilled insulin pens. 

Dr. Arnold Kadish created the first artificial pancreas to constantly deliver insulin in the 1960s. Following these, the Biostator and Insulin Pump were created in the 1970s and 1990s, respectively. 

The battery-powered, modern insulin pump administers insulin through a tiny teflon or steel cannula placed just under the skin either at predetermined rates or at the press of a button, cutting down on the number of pricks from several times per day to just once every 2-3 days. 

Tubeless insulin pumps can change the insulin doses based on glucose information from a continuous glucose monitor. 

Better insulin modifications for various times of day and night, exercise, illness, menstruation, exams, and other everyday scenarios are a further benefit, which helps to decrease bouts of hypoglycemia and improve HbA1c status. 

However, high cost (2-5 lakhs), stigma among patients regarding wearing a device that constantly reminds them of their condition, problems with cannulas in thin patients or those who sweat a lot, and skin reactions from adhesive tapes, deter patients from switching to insulin pumps.