title: Sprotte needle introducers.
mesh_terms: D000775:Anesthesia, Spinal / Q000295:instrumentation*; D004867:Equipment Design; D004868:Equipment Failure; D004869:Equipment Safety; D006801:Humans; D009339:Needles; D019064:Product Packaging; D011358:Product Surveillance, Postmarketing; D011786:Quality Control