Development of the cutting spinal needle tip (3)

As early as 1898, Sicard realized that the cause of PDPH was the loss of CSF due to a torn dura mater. In 1914, Ravaut suggested using a thinner needle to limit the size of the dural tear. In 1914, Babcock described a needle that was closer in design to the original Corning needle but had a thinner cannula to limit the incidence of PDPH (Figure 5). It has a sharp mid-length bevel with a matching stylet. It is made of iridescent platinum or gold and has a diameter of 20G. Known as the Quincke-Babcock needle, it is a very successful needle design and has become the standard spinal needle for comparative studies.

Figure 5

Quincke–Babcock needle (1914).

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