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Lumbar puncture training model

Functional features:
■ The simulated standardized patient is in the lateral position, with the back perpendicular to the bed surface, the head bent forward toward the chest, both knees flexed toward the abdomen, and the torso curved like an arc.
■ The waist can be moved. The operator needs to hold the head of the simulated patient with one hand and the knees of both lower limbs at the patellar fossa with the other hand, tightly holding them, so that the spine can protrude backward and widen the intervertebral spaces in order to complete the puncture.
■ The lumbar tissue structure is accurate, and the surface markers are distinct: there is complete1～5Lumbar vertebrae (vessels, arch plates, spinous processes), sacrum, sacral notch, sacral angle, supraspinous ligament, interspinous ligament, yellow ligament, dura mater and arachnoid mater, as well as the subarachnoid space, epidural space, and sacral canal formed by these tissues; the posterior superior iliac spine, iliac crest, thoracic spinous process, and lumbar spinous process can be felt directly.
■ Various procedures can be performed: spinal anesthesia, lumbar puncture, epidural block, cauda equina block, sacral nerve block, and lumbar sympathetic nerve block.
■ Spinal puncture simulation of real conditions: When the needle reaches the simulated yellow ligament, resistance increases with a sense of toughness; when breaking through the yellow ligament, there is a clear feeling of failure, indicating entry into the epidural space of the spine, accompanied by negative pressure(At this point, the injection of anesthetic solution constitutes epidural anesthesia); Continuing with the injection will pierce the dura mater and arachnoid membrane, causing a second sense of emptiness—meaning it enters the subarachnoid space, where simulated cerebrospinal fluid will flow out, fully mimicking the actual clinical lumbar puncture procedure.

Note: Both the skin and the simulated spinal canal can be replaced, with supply consumables.