Multifunctional three-dimensional biological microprobe using stainless steel as base material and preparation method thereof
A three-dimensional biological and micro-probe technology, applied in medical science, diagnosis, diagnostic recording/measurement, etc., can solve the problems of unbalanced mechanical properties and biocompatibility, non-coexistence of structural strength and elasticity, insufficient elasticity, etc.
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[0048] In order to further understand the structure, features and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings.
[0049] 1. A multifunctional three-dimensional biological microprobe based on stainless steel
[0050] Reference Figure 1-4 , A multifunctional three-dimensional biological microprobe based on stainless steel, including a needle 1, a needle shaft 2 and a needle handle 3. The needle 1 is connected to the needle handle 3 through the needle shaft 2 to form a three-dimensional biological microprobe; 3. Both needle shaft 2 and needle 1 have stainless steel layer 4, su-8 insulating layer 5, oxide insulating layer 10, front su-8 protective layer 11 and back su-8 protective layer 13; the stainless steel layer 4 is set on Below the su-8 insulating layer 5; the front side su-8 protective layer 11 is set on the outermost layer of the front side of the microprobe; the reverse side su-8 prot...
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