A Honor Society of Nursing (STTI) answered. The rate of incidence for pancreatitis each year in the United States is over 300,000 people. Roughly 200,000 people are hospitalized each year for treatment of acute pancreatitis.
As reported in Diabetes Technology & Management, recent research shows that smaller 8 millimeter (mm), 6 mm, and 4 mm needles are as effective, regardless of body mass. This makes insulin injections more acceptable and less painful than it was in the past.
A 25-gauge needle about 2 cm long is usually used, held at a 45-degree angle to the skin, and the amount injected should not exceed 2 ml in an adult. Subcutaneous insulin injections may be given at a 90-degree angle with an insulin syringe. Called also hypodermic injection.