A lumbar puncture (LP) is the insertion of a needle into the spinal canal to collect and examine the fluid that surrounds the brain and spinal cord (cerebral spinal fluid). It is termed a "lumbar puncture" because the needle is placed in the lumbar portion of the back and used to punct...
The “two-steps” scan is obtained and the probe is moved laterally toward the side of the intended target. A 22- or 25-gauge needle (8 or 11 cm long) is introduced lateral to the probe and advanced in an in-plane fashion and lateral-to-medial direction. The needle tip should ...
This study aims to compare the clinical effects and imaging data of patients who underwent endoscopic transforaminal lumbar interbody fusion (Endo-TLIF) with those who received unilateral biportal endoscopic lumbar interbody fusion (ULIF). Methods A retrospective analysis was conducted on the clinical ...
A spinal puncture needle (20G puncture needle) is accurately inserted into the skin, and the angle and position are determined by the transducer and anatomy. Our target is the back of the intervertebral foramen and the needle is inserted along the lateral edge of the lamina, where the ...
The puncture needle was inserted into the surface of the intervertebral ligament, and sequential dilation was performed along the guide needle before inserting the working cannula. After traversing the yellow ligament, access to the spinal canal was obtained, and the remaining steps followed the ...
Fig. 1. CT scans of L-RDN procedure steps. A. Localization of puncture point (blue spot) and path (yellow line) according to the puncture angle (β = 180° − α) which calculated from the target point (red asterisk) and the lateral distance to the center line (green line). B, ...
and the patient was asked to continue walking for another 1–2 min. The medical staff encouraged the patient by numbering the patient’s steps to distract the patient’s attention, move seamlessly, and support the patient to reduce the patient’s apprehension of movement. This procedure took ap...