Safe wireless communication method of implanting-type nerve stimulation system

A neurostimulation and wireless communication technology, applied in electrotherapy, treatment and other directions, can solve the problems of implanted patients' large invasion attack risk, inability to prevent intruders, control error control, etc., to achieve security assurance, prevent modification attacks, prevent Analyze the effect of the attack

Inactive Publication Date: 2014-06-11
SCENERAY
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0005] Because the radio in the prior art is open, it is impossible to prevent intruders from carrying out three kinds of attacks: the analysis attack of monitoring the communication data of the analysis controller and the stimulator, and the modification of the communication data of the control controller and the stimulator to destroy the communication. Modifying attacks, replaying the controller's control of the stimulator and replaying attacks that generate wrong controls. Therefore, the communication method in the prior art that does not set encryption and decryption algorithms has a greater risk of intrusion attacks for implanted patients.

Method used

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  • Safe wireless communication method of implanting-type nerve stimulation system
  • Safe wireless communication method of implanting-type nerve stimulation system
  • Safe wireless communication method of implanting-type nerve stimulation system

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Embodiment Construction

[0027] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0028] as attached figure 2 As shown, a safe wireless communication method for implantable nerve stimulation system, the method at least includes the following steps:

[0029] A. Set communication protocol level encryption and decryption algorithms in implantable neurostimulator 10 and in vitro controller 20;

[0030] B. Adding an encryption header to the payload data of the communication protocol data frame between the implantable neurostimulator 10 and the in vitro controller 20;

[0031] C: The encryption and decryption algorithm and the encryption head are used to generate the dynamic key DKey respectively when the implantable neurostimulator 10 communicates wirelessly with the external controller 20. The data is encrypted according to the dynamic key DKey to form ciphertext before sending, and the data of the implantable neurostimulator 10 and the external con...

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Abstract

The invention discloses a safe wireless communication method of an implanting-type nerve stimulation system. The method includes at least the following steps that communication-protocol-level encrypting and decrypting algorithms are set for an implanting-type nerve stimulator and an external controller; encrypting heads are added to load data of communication protocol data frames of the implanting-type nerve stimulator and the external controller; accordingly, dynamic secret keys can be generated respectively during wireless communication between the implanting-type nerve stimulator and the external controller, and communication data are encrypted according to the dynamic secret keys before being sent and are decrypted according to the dynamic secret keys after being received. Compared with the prior art, because the communication data transmitted through public radio waves are cryptographs rather than plaintexts, all kinds of attacks from invaders are avoided, and safety of wireless communication between the implanting-type nerve stimulator and the external controller is guaranteed.

Description

technical field [0001] The invention relates to an implanted medical system, in particular to a safe wireless communication method for an implanted nerve stimulation system. Background technique [0002] The implantable electrical nerve stimulation system mainly includes a pulse generator implanted in the body, electrodes and an external controller. Among them, the pulse generator is connected to the electrode through an extension wire, so that the pulse generated by the pulse generator is transmitted to the electrode, and the pulse signal generated by the pulse generator is transmitted from the electrode to a specific nerve target for electrical stimulation, so as to restore the function of the human body to normal operation. In vitro controllers include doctor programmers and patient controllers. [0003] Among them, the doctor's program controller is a device used by the doctor to monitor and adjust the output parameters of the pulse generator in the body according to t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/372
Inventor 沈多林邹德刚
Owner SCENERAY
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