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Related Experiment Videos

Atraucan: a new needle for spinal anesthesia

D B Scott1, M Dittmann, D G Clough

  • 1Royal Infirmary, Edinburgh, Scotland.

Regional Anesthesia
|July 1, 1993
PubMed
Summary

The Atraucan needle offers a high success rate for spinal anesthesia and is easy to use. This study found minimal needle tip damage and a low incidence of postdural puncture headache (PDPH) with its use.

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Area of Science:

  • Anesthesiology
  • Neurosurgery
  • Medical Devices

Background:

  • The Atraucan 26-gauge spinal needle features a unique tip design for dural puncture.
  • This design aims to create a smaller, dilated linear cut in the dura mater.
  • In vitro studies suggest reduced cerebrospinal fluid leakage compared to other needle types.

Purpose of the Study:

  • To evaluate the ease of use of the Atraucan needle during lumbar dural puncture.
  • To assess any damage incurred by the Atraucan needle tip during the procedure.
  • To determine the clinical performance and safety profile of the Atraucan needle.

Main Methods:

  • A multicenter trial involving 362 patients undergoing spinal anesthesia.
  • Anesthesiologists completed detailed questionnaires regarding needle usage.

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  • Needle tips were microscopically examined post-procedure for damage.

    • Main Results:

    • Successful lumbar dural puncture in 361 out of 362 patients (99.7%).
    • Satisfactory spinal anesthesia achieved in 97% of cases.
    • Minimal needle tip bending (0.01-0.19 mm) observed in 14% of needles; no 'hook' deformities.
    • Postdural puncture headache (PDPH) occurred in 2.5% of patients, predominantly in females under 55.

    Conclusions:

    • The Atraucan needle is user-friendly with a high success rate for subarachnoid space identification.
    • Lumbar dural puncture with this needle results in minimal tip damage.
    • The incidence of PDPH is low, warranting further comparative studies.