Pull the skin taut and insert the needle into the same place, at the same angle and at the same depth each time. Watch for a flashback of blood in the tube connected to the needle. When you see the flashback of blood, lower the angle and continue to slide the needle into the fistula. Tape the needle in place.
How do you do cannulation method?
Sliding hub of catheter over needle and into vein for IV cannulation. Use your nondominant middle finger to apply pressure over the catheter to prevent blood spill, and hold the hub in place using your nondominant index and thumb fingers. Then use your dominant hand to withdraw the needle (see the image below).
How do you make cannulation less painful?
Although other manoeuvres can reduce the pain of cannulation, such as 'darting' the cannula through the skin or getting the patient to cough,16 and although other analgesics or drug delivery systems have also been shown to be effective,17,18local anaesthetic injection is the only readily available method that allows ...
