Lumbar Puncture Needle

Lumbar Puncture Needle:
It is a Needle which is used in the Lumbar Puncture Procedure
Lumbar Puncture:
It is a diagnostic and at times therapeutic procedure performed in order to collect a sample of cerebrospinal fluid (CSF) for biochemical, microbiological, and cytological analysis, or very rarely as a treatment (“therapeutic lumbar puncture”) to relieve increased intracranial pressure.
CSF is removed from the Sub Arachnoid space by puncturing below the L2-L3 inter-vertebral space.
And the Instrument used in this procedure is the Lumbar Puncture Needle

Lumbar Puncture needle


CNS infections/inflammation:

  • Encephalitis
  • Meningitis
  • Multiple sclerosis
  • Myelitis
  • Subarachonoid Haemorrhage

Infiltrative Conditions:

  • Carcinomatous meningitis
  • Lymphone
  • Leukemia
  • To confirm Raised intracranial pressure
  • Instillation of contrast media or an Isotope
  • Myelography
  • Cisternography

© Mayo Lumbar Puncture Porcedure

Structures pierced during LUMBAR PUNCTURE :

  • Skin
  • Subcutaneous fat
  • Supraspinal ligament
  • Interspinal ligament
  • Ligamentum flavum¬†
  • Dura mater
  • Arachnoid matter

Therapeutic Uses:

  • Administration of intracranial Antibiotics
  • Administration of Anti Leukaemic Drugs
  • Spinal Anesthesia
  • To remove CSF to lower the intracranial pressure in benign intracranial hypertension


  • Thrombocytopenia and Coagulation Disorders
  • Depressed consiousness especially if focal neurological signs are present
  • Skin infections at the site of lumbar puncture


  • Brain stem herniation
  • Introduction of infection
  • Postspinal headache

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