Micro 201 Stainless Steel Bright Annealing Capillary Tube

fay@pride-cnc.com
Block D, Dianlian Science Park, Matian St., Guangming District, Shenzhen 518106, China

+8613477665385

 13477665385

At present, painless injection technology based on reducing injection pain mainly has the following (1) medicinal drug, such as micro-needle array, needleless injection and other technologies. The rationale for this technique is that the injection of the drug only injects (high-pressure injection) into the cortical carnal layer without nerve endings, and the use of the absorption of the layer to achieve the painless purpose of injection, the disadvantage of this technique is that the amount of medicine is limited, high manufacturing costs; 2) Reduce the diameter of the needle, such as the conical needle Nanopass33 (trade name Micro taper) produced by Hinoshi Okano, the needle diameter is only 0.2mm, can significantly reduce injection pain, The disadvantage of this needle is the high technical requirements and manufacturing costs; Drug or resistance reduction coating on the surface of the needle to reduce stimulation, reduce resistance, this technique in the subskin propulsion process to reduce the pain caused by needles effective, but the pain reduction effect of the moment of piercing is not obvious; The reason for the analysis is that because the rapid injection reduces the stimulation of subsurface nerve endings and transfers pain perception to the large cerebral cortical layer, based on this injection the patented intramuscular auto-injector syringe syringe (patent No. 00218320. X), patented electric intramuscular syringe (patent no. 92220459.4), in addition to the injection site local massage pain reduction, pre-buried needle tube and other technologies, but because of the difficulty of operation and other factors can not be widely promoted.

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