18G 90mm Tuohy Cannula
Product Specification Product Show Both lumbar anesthesia and epidural anesthesia needles are intraspinal anesthesia, but there are several differences between them. 1. Puncture site Epidural puncture can almost include the whole spine: lumbar spine most, mainly lower abdominal and lower limbs...
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Product Specification
Product name | 18G 90mm Tuohy Cannula |
Material | Stainless steel, NiTi, etc. |
| Properties | Injection & Puncture Instrument |
| Needle Size | 14G, 15G, 16G, 17G, 18G, 19G, 20G, 21G, 22G, 23G, 24G, 25G, 26G, 27G |
| Needle Length | 2"–6" lengths Custom sizes available upon request. |
| Type | Quincke Point or Pencil Point |
Custom feature | According to your 2D/3D Drawing or sample provided |
Package | Standard carton or according to customer's requirement |
Product Show
Both lumbar anesthesia and epidural anesthesia needles are intraspinal anesthesia, but there are several differences between them.
1. Puncture site
Epidural puncture can almost include the whole spine: lumbar spine most, mainly lower abdominal and lower limbs surgery; Thoracic vertebrae followed, mainly chest, upper abdomen and general anesthesia assisted anesthesia; Cervical vertebrae are almost absent because the risk is too high. For lumbar anesthesia, the main puncture point is the lumbar 2-3 or 3-4, which ensures that the spinal cord will not be injured.
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18G 90mm Tuohy Cannula2. Puncture level
Epidural puncture needle: skin - subcutaneous - supraspinous ligament - interspinous ligament - ligamentum flavum - epidural space
Lumbar anesthesia: skin - subcutaneous - supraspinous ligament - interspinous ligament - ligamentum flavum - epidural space - dura - arachnoid - subarachnoid space
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