Impedance measuring device and system and computer readable storage medium
A technology of impedance measurement and impedance value, which is used in diagnostic recording/measurement, medical science, diagnosis, etc.
Pending Publication Date: 2022-07-12
SCENERAY
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However, this patent does not consider the situation that the measurement range used is small, and does not perform numerical division and re-measurement operations on the measured impedance values.
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[0074] Hereinafter, the present application will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that, on the premise of no conflict, the embodiments or technical features described below can be arbitrarily combined to form new embodiments. .
[0075] see figure 1 , figure 1 It is a schematic diagram of an operation flow of an impedance measurement device provided by an embodiment of the present application. An embodiment of the present application provides an impedance measurement device for measuring the impedance of living tissue between electrode contacts of an implantable medical device, and the impedance measurement device is configured to:
[0076]Step S101 : setting the implantable medical device to output electrical stimulation with a preset voltage value in the voltage mode, and the preset voltage value can make the stimulation waveform output normally;
[0077] Step S102: Measure the measured voltage v...
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The invention provides an impedance measuring device and system and a computer readable storage medium, which are used for measuring the impedance of organism tissue between electrode contacts of implantable medical equipment, and the impedance measuring device is configured to set the implantable medical equipment to output electrical stimulation at a preset voltage value in a voltage mode, the preset voltage value can enable the stimulation waveform to be normally output; an actually-measured voltage value between a first electrode contact and a second electrode contact of the implantable medical device is measured, and the first electrode contact and the second electrode contact are located on electrode wires on the same side or electrode wires on the different sides or located on the electrode wires and a shell of a pulse generator respectively; measuring a current value between the first electrode contact and the second electrode contact; and obtaining an impedance value between the first electrode contact and the second electrode contact based on the actually measured voltage value and the current value. Connection faults of equipment are avoided, and reliability is enhanced.
Description
technical field [0001] The present application relates to the technical field of implantable medical devices, and in particular, to an impedance measurement device, a system, and a computer-readable storage medium. Background technique [0002] After the electrodes of the implantable medical device are implanted into the brain, it is necessary to measure the impedance of the biological tissue between the electrode contacts to determine the continuity of the conductive path in the body (to determine whether there is a short circuit or open circuit); In the case of a short circuit in the electrical conduction path in the body, the electrical stimulation outputted by it may generate excessive current, which will cause damage to the biological tissue receiving specific stimulation or the tissue that directly contacts the electrode contact at the short circuit; In the case of an open circuit in the conductive path in the body, the electrical stimulation output by it will not be t...
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IPC IPC(8): A61B5/0538
CPCA61B5/0538
Inventor 陈晶华朱为然
Owner SCENERAY