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To draw blood during a routine venipuncture, your health care provider will attach a hollow needle to a syringe, vacuum tube or vial, then gently insert the needle through the skin and into the center of the vein.Blood drawn from your vein will flow through the needle into the attached receptacle.onsiderations. As an alternative to venipuncture, for some tests you may have a small blood sample drawn from your finger by a method called a fingerstick. Similarly, If your infant or young child needs to provide a blood sample, his doctor might use a device called a lancet to withdraw blood directly from the skin.
method The specific steps in performing a venipuncture vary with the purpose of the procedure and the equipment to be used, but in most instances it begins as follows: The nurse dons disposable gloves.