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Drive-free blood pressure recorder measured data protection device and method

A technology for ambulatory blood pressure and measurement data, applied in the field of medical instruments, can solve the problems of loss of ambulatory blood pressure measurement data, inability to operate at the bottom of the SD card, and inability to effectively retain and read data, so as to improve reliability and use efficiency, reduce The effect of the number of repairs returned to the factory

Active Publication Date: 2017-03-29
西安辰方思创科技有限公司
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AI Technical Summary

Problems solved by technology

Microcontrollers cannot perform low-level operations on the SD card, which causes that if there are local bad clusters or bad blocks in the SD card, all existing data will not be effectively retained and read; this situation will directly cause the patient's ambulatory blood pressure loss of measurement data

Method used

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  • Drive-free blood pressure recorder measured data protection device and method
  • Drive-free blood pressure recorder measured data protection device and method

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Embodiment Construction

[0021] The principle of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0022] see figure 1 , a device for protecting measurement data of a drive-free blood pressure recorder, comprising a microcontroller 101, a programmable three-state bus isolation controller 102, a NAND Flash storage circuit 301, and a USB mass storage controller 302.

[0023] The IO port of microcontroller 101 is connected with the control end of program-controlled three-state bus isolation controller 102, NAND Flash memory 301 and USB mass storage controller 302 respectively, and the port of program-controlled three-state bus isolation controller 102 is connected with NAND Flash respectively The memory 301 is connected with the USB mass storage controller 302, the USB mass storage controller 302 is connected with the USB interface 303, and communicates with the PC, and the AD input terminal of the microcontroller 101 is connected with the output termi...

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Abstract

The invention relates to a drive-free blood pressure recorder measured data protection device and a method. According to the device, an IO port of a microcontroller is connected with a program control tristate bus line isolating controller, a NAND Flash storage and a control end of a USB (Universal Serial Bus) mass storage controller; a port of the program control tristate bus line isolating controller is connected with the NAND Flash storage and the USB mass storage controller; and the USB mass storage controller is connected with a USB port and communicates with a PC (Personal Computer) machine. On the basis of the device with a hardware structure, the comprehensive application of a bad block management technology, a data backup storage technology, a data verification technology and a data storage and management technology is combined, so that the protection and the preservation on ambulatory blood pressure measured data are achieved, equipment failure caused by the storage is reduced, the efficiency in monitoring the blood pressure of patients is improved, and the success rate of ambulatory blood pressure measurement is improved; through an embedded system with the combination of hardware and software, blood pressure signals are acquired, processed and stored; and data storage with high reliability requirements cannot be fallible, and the acquired ambulatory blood pressure data must be protected as much as possible so as not to be lost caused by self-reasons of the device.

Description

technical field [0001] The invention belongs to the technical field of medical instruments, and in particular relates to a device and method for protecting measurement data measured by a drive-free blood pressure recorder. Background technique [0002] Hypertension is the most common cardiovascular disease and the most important risk factor for serious diseases such as stroke, heart failure, myocardial infarction, and renal insufficiency. According to the fourth national nutrition and health survey in 2002, the prevalence of hypertension among adults aged ≥18 in my country was 18.8%, among which the prevalence rate of elderly aged ≥60 was as high as 49.1%. At present, the population aged ≥18 in my country is >1.1 billion, and the population aged ≥60 is >200 million. According to the data of "China Cardiovascular Disease Report 2014", there are nearly 300 million hypertensive patients in my country. If it can be diagnosed in time, and various types of antihypertensive ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/021
CPCA61B5/021A61B5/02141
Inventor 王子南吕军杨晓玲来莎李琳
Owner 西安辰方思创科技有限公司
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