Thus, different needle sizes, alternative tip designs and needles resembling reuse were tested to explore how needle design influences ease of insertion, pain and skin trauma. This might be the cause of the higher increase in sbp. Currently, all commercially available insulin syringes and pns have 3-bevels (. Multiple factors impact subcutaneous insulin injection pain. The reason for the relation between pain and increase in sbp might be that sbp increase is related to the amount of tissue trauma that a needle causes, and that tissue trauma is related to pain. 05) than the 32g needle with standard three-grind (hn-32;
) in patients injecting insulin and to compare perceived pain and preference between 3- and 5-bevel needles. Two were one-grind (ie, one edge/grind angle on the needle tip) short-tip needles; 32g (hn1sh-32) and 34g (hn1sh-34). Generate a file for use with external citation management software.