Implantable medical device and system with structure for preventing screw-out of screws
An implantable medical and screw technology, which is applied in the field of implantable medical equipment and implantable medical systems, can solve the problem of high possibility of wrong operation, and achieve the effect of reducing function damage.
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[0029] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0030] as attached Figure 2 to Figure 7 As shown, taking an implantable neurostimulator system as an example, an implanted neurostimulator 1 with a screw-proof structure includes a housing 11, a battery and a circuit board arranged in the housing 11 (not shown in the figure). Shown), the connection head 12 that is sealingly connected with the housing 11. The connection head 12 includes a plurality of connection blocks 121, a wireless communication antenna (not shown) and a sealing filler 122 arranged axially and electrically connected to the circuit board. The connection hole 123 , the connection block 121 is radially provided with a screw hole 124 communicating with the connection hole 123 .
[0031] In this embodiment, the extension wire plug of the implantable electrical nerve stimulator includes two parallel cylindrical plug parts, and each plug part has four c...
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