Catheter for vertebral dura mater external organ place anesthesia

摘要

Topic Problem is solved the thin local anesthesia needle attendant upon the system for former local anesthesia which is formed from the catheter where the diameter which conforms to that is small.SolutionsThe system which prescribes the local anesthetic which possesses with the catheter for local anesthesia and partly the divided possible needle to the patient is offered. The catheter seems like the 2nd length direction part where the 1st length direction part and inside diameter, the external form, and wall thickness are smaller than those of the 1st length direction part, it possesses the length direction part where plural sizes differ. The divided possible needle is the divided possible non external wound characteristic needle in the length direction, but even when dividing a state where it is connected to hinge system by the needle point which is not divided is maintained. After the catheter is arranged appropriately by using this kind of divided possible needle, it can do the fact that the needle is removed from the catheter easily. This system outside the dura mater and especially is suitable for the catheter insertion for medicine fill to the vertebra. Selective figure Figure 1