Nerve blocking device using ultrasonic guide
A nerve block and ultrasound technology, applied in the field of ultrasound-guided nerve block devices and trocars, can solve problems such as nerve damage, and achieve the effects of not easily damaging nerves, reducing nerve damage, and not easily slipping out.
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Embodiment 1
[0027] like figure 1 , figure 2 , image 3 As shown, as shown, a peripheral nerve block device of the present invention is composed of a needle core 2 and a hollow sleeve 1, and the needle core 2 is set in the sleeve 1, wherein the The front end of the needle core 2 is provided with a needle point 3, the needle point 3 extends out of the front end surface of the sleeve 1, and the horizontal axis of the needle point 3 has a micro-dentate structure, the front end of the sleeve 1 At least one side hole 4 is provided on the side wall of the casing, and a connecting pipe 14 is fixedly arranged at the tail end of the sleeve pipe 1. The inner diameter of the connecting pipe 14 is larger than the inner diameter of the sleeve pipe. The extension line of the central axis coincides, a rubber plunger 5 is arranged in the connecting pipe 14, the needle core 2 passes through the rubber plunger 5, and the tail end of the needle core 2 is fixedly provided with a hand-holding wing 7. Hand ...
Embodiment 2
[0035] like figure 2 , image 3 and Figure 4As shown, a peripheral nerve block device of the present invention is composed of a hollow sleeve 1, a needle core 2 is disposed in the sleeve 1, and a needle point 3 is disposed at the top of the needle core 2, The needle tip 3 protrudes from the top of the sleeve 1, at least one side hole 4 is provided on the side wall of the front end of the sleeve 1, and a post is provided at the tail end of the sleeve 1 The plug 5, the tail end of the sleeve 1 is also provided with a side tube 6, the side tube 6 is arranged at the front end of the plunger 5, the side tube 6 and the sleeve 1 The tail end of the sleeve 1 is provided with a hand-holding wing 7, the needle core 2 passes through the plunger 5, and the needle core 2 is connected to the hand-holding wing 7 One end of the needle core 2 protrudes from the hand-holding wing 7, the slope of the needle point 3 is provided with a microdentate structure 16, and the outer surface of the n...
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