Chip for implantable medical device and implantable medical device

Abstract

The invention provides a chip for an implantable medical device and the implantable medical device, and relates to the technical field of medical devices. The chip for the implantable medical equipment comprises a radio frequency signal charging circuit, a micro rechargeable battery, a main processor, a volatile data memory and a nonvolatile backup memory, wherein the radio frequency signal charging circuit is used for generating electric energy according to a radio frequency signal in an environment and charging the miniature rechargeable battery; and the main processor is used for operating an independent battery electric quantity monitoring thread while executing the main task, and triggering the backup of the main task data stored in the data memory into the backup memory when the battery electric quantity monitoring thread monitors that the electric quantity of the miniature rechargeable battery is lower than a preset electric quantity threshold value. According to the application, the use cost can be reduced, the probability of downtime caused by power shortage is reduced, the damage caused by data loss due to power failure is reduced, and the anti-disaster capability of the chip is further improved.

Description

technical field [0001] The present application relates to the technical field of medical devices, and in particular to a chip for implantable medical devices and implantable medical devices. Background technique [0002] With the advancement of technology, implantable medical devices play an increasingly important role in modern medical diagnosis and treatment, such as artificial knee joints, artificial hip joints, cochlear implants, esophageal sphincter sensors, intracranial pressure sensors, and inertial measurement units, etc. . In addition to the basic medical functions, implantable medical devices can also play the role of treatment effect monitoring and daily health monitoring by installing sensors, which involves electronic circuits such as signal acquisition, processing and transmission. The power supply to the above-mentioned electronic circuit has also become a critical issue. [0003] At present, the mainstream power supply method for implantable medical devices...

AI Technical Summary

Problems solved by technology

[0003] At present, the mainstream power supply method for implantable medical devices containing electronic circuits is powered by batteries, but in this way, after the battery power is exhausted, it needs to be operated again to replace the battery, which brings a lot of pain and inconvenience to the patient. The overall cost of surgery and recuperation is also high, which makes it unacceptable by most patients and cannot be effectively promoted and applied.

Another power supply method is wireless power supply, such as electromagnetic induction wireless power supply, etc. This method has unstable power supply. Since the chip of the implantable medical device needs to perform a series of calculations such as sensing signal acquisition and processing, if the power supply Instability will cause the loss of data in the calculation process in the chip. Even if the task is restarted after power failure, the data lost during power failure cannot be saved, resulting in permanent data loss.

Images