Intrathecal Placement of Lumbar Drain: A Technique to Withdraw Cerebrospinal Fluid from the Lumbar Spine in Porcine Model

0 weergaven3:02 min • July 8th, 2025

A lumbar puncture is performed by injecting a specialized needle into the spinal column's intrathecal space in the lower back region to withdraw a cerebrospinal fluid, or CSF, sample. To begin, place an anesthetized pig in a right lateral position on a surgical platform. Ensure the spine is flexed, which increases the gaps between the vertebrae.

Take a needle assembly consisting of an inlay needle fitted inside an introducer needle. Locate the space between the fourth and fifth lumbar vertebrae. Pierce the needle through the skin layers and deeper tissues. 

Remove the inlay needle and connect a saline-filled syringe to the introducer needle. Push the needle inward while injecting the saline into the spinal column. This step facilitates an easy passage of the needle into the epidural space located around the spinal cord. 

Replace the syringe with an inlay needle. Advance the needle to puncture the dura mater - the tissue layer covering the spinal cord. Remove the inlay needle and introduce a lumbar drain tube into the intrathecal space.

Aspirate a small amount of CSF sample to confirm the appropriate positioning of the tube and remove the needle. Suture the drain tube in its position and connect it to a CSF drainage system while monitoring its pressure.

For percutaneous placement of cerebrospinal fluid drainage for measuring and controlling cerebrospinal pressure, identify the level of Lumbar 4 / 5, or L 5 / 6. Puncture the skin, and the subcutaneous space with the introducer needle, and remove the inlay needle. Place a saline-filled syringe onto the introducer needle, and use constant pressure to carefully introduce the needle into the epidural space.

Once a loss of resistance is felt, indicating a correct epidural placement, insert the inlay needle and advance the needle 2 to 3 millimeters into the intrathecal space. Introduce the drainage up to a 20-centimeter depth. Attach a Luer-lock adapter, and verify the position by careful aspiration of the liquor. Then, carefully fix the drainage with sutures, and connect the drainage to the cerebrospinal fluid drainage system.

09:47

Isolatie van de cerebrospinale vloeistof uit Knaagdieren Embryo's voor gebruik met Ontleed cerebrale corticale Explantaten

Gerelateerde video's

0 Bekeken

06:40

Een verbeterde methode voor de verzameling van de cerebrospinale vloeistof van narcose muizen

Gerelateerde video's

0 Bekeken

08:06

Directe canule-implantatie in de Cisterna Magna van varkens

Gerelateerde video's

0 Bekeken

09:23

Chirurgische Techniek voor Spinal Cord Levering van therapieën: Demonstratie van orde in Göttingen minivarkens

Gerelateerde video's

0 Bekeken

02:58

Laser Doppler Needle Probe Insertion: A Technique for Real-time Quantification of Blood Flow within the Spinal Cord in a Porcine Model

Gerelateerde video's

0 Bekeken

05:04

Intrathecal Delivery of a Test Compound to the Rat Central Nervous System

Gerelateerde video's

0 Bekeken

09:07

Een verdovings-, chirurgie- en oogstmethode voor de evaluatie van transpediculaire schroeven met behulp van een

Gerelateerde video's

0 Bekeken

09:00

Laminotomy voor lumbale achterwortelganglia Ganglion toegang en injectie in varkens

Gerelateerde video's

0 Bekeken

07:47

Intrathecale afgifte van antisense oligonucleotiden in het centrale zenuwstelsel van de rat

Gerelateerde video's

0 Bekeken

10:27

Real-time beoordeling van ruggenmergmicroperfusie in een varkensmodel van ischemie / reperfusie

Gerelateerde video's

0 Bekeken

Laatst bijgewerkt: 29 augustus 2026