22g Disposable Spinal Puncture Needles
Product Specification Technical Specifications Product Show Our Factory Production Department Production Process Checkout Room Packing Our Certification 22g Disposable Spinal Puncture Needles Introduction of the spinal needles Usually, the needle slips intrasacrally without any problem. However,...
Description
Product Specification
Product name | 22g Disposable Spinal Puncture Needles |
Material | Stainless steel, NiTi, etc. |
| Properties | Injection & Puncture Instrument |
| Needle Size | 16G, 17G, 18G, 19G, 20G, 21G, 22G, 23G, 24G, 25G, 26G, 27G |
| Needle Length | 90mm or custom length |
| Type | Quincke Point or Pencil Point |
| Usage | Anesthesia |
Custom feature | According to your 2D/3D Drawing or sample provided |
Package | Standard carton or according to customer's requirement |
Technical Specifications
| Product Image | Size | Color Code |
 | 16G X 90mm | White |
| 17G X 90mm | Light Purple | |
| 18G X 90mm | Pink | |
| 19G X 90mm | Light Grey | |
| 20G X 90mm | Yellow | |
| 21G X 90mm | Green | |
| 22G X 90mm | Black | |
| 23G X 90mm | Drak Blue | |
| 24G X 90mm | Purple | |
| 25G X 90mm | Orange | |
| 26G X 90mm | Brown | |
| 27G X 90mm | Grey |
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22g Disposable Spinal Puncture Needles
Introduction of the spinal needles
Usually, the needle slips intrasacrally without any problem. However, the tip may meet bone, which indicates that the angle must be altered. Judging the angle of insertion of the needle is the most difficult part of the whole procedure. Important guides are previous palpation of the lower sacral spinous processes and the angle of the fine needle used for surface anaesthesia when it was pushed through the intercornual ligament. A very curved sacrum is difficult to approach, demanding puncture well distal to the bony ridge connecting the cornua. The needle is then aimed almost horizontally, in the direction of the patient's head. A patient with hyperlordosis usually has a flat, horizontal sacrum, which calls for an almost vertical insertion. A particular problem is posed by an overcurved bifid sacrum, where the sacral arches are not bony but consist of fibrous tissue. If the insertion is made too low down, the tip of the needle may slip through the ligamentous roof of the sacrum and come to lie in the fibrous tissue closing the defect. A sacrum with an intrasacral bony projection is an occasionally encountered difficulty. If the needle catches such a bony obstacle on its way up, it must be withdrawn a short distance and thrust in again at a slightly different angle. If this proves to be impossible, the tip of the needle should be left there and the injection made from this position, providing no palpable swelling at the hiatus appears as the fluid is administered.
When the needle is far enough into the sacral canal, the stylet is withdrawn. Care is taken to see that neither cerebrospinal fluid nor blood escapes.
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