Abstract
Dura-arachnoid puncture for spinal anesthesia is associated with several complications. Postdural puncture headache (PDPH) and needle bending are significant among these. The incidence of PDPH has been reduced significantly with the advent of pencil-point needles. However, these needles also have their limitations, such as obstruction of the delivery port by tissues affecting both cerebrospinal fluid flash back and drug delivery. Increasing the size of the lateral hole has led to mechanical complications, such as tip bending. A new spreading beveled spinal needle tip has been designed to overcome the disadvantages of all the currently used spinal needles. To assess the feasibility, a 26-gauge Quincke spinal needle (B. Braun, Melsungen, Germany) has been modified manually. The new tip-holed design seems to be sound both from theoretical and practical point of view. Searching Medline Plus through their Internet Web site () did not reveal the existence of any such spinal needle. Reg Anesth Pain Med 2000;25:403-407.
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