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Medical sensor adapter

A sensor and adapter card technology, applied in the fields of electronics and biomedical engineering, can solve the problems of inconvenience and inability to convert the output signals of medical sensors into digital signals and transmit them.

Active Publication Date: 2009-05-13
ZHEJIANG HELOWIN MEDICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing adapter card (device) used for analog-to-digital conversion cannot directly convert the output signals of medical sensors (such as ECG, blood pressure, blood oxygen saturation, body temperature, etc.) into digital signals and transmit them to the handheld computer. , laptops and personal computers
The existing method is usually to use the sensor signal conditioning circuit at the front end of the digital-to-analog conversion adapter card to convert the signal output by the sensor into the working range of the digital-to-analog conversion adapter card, and then use all the analog-to-digital conversion adapter cards The medical sensor signal is converted into a digital signal and sent to the computer, which brings great inconvenience to the actual use

Method used

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Embodiment Construction

[0021] according to figure 2 The block diagram of the medical sensor adapter card is shown, and we propose a specific implementation method. image 3 and Figure 4 The digital interfaces PCMCIA, CF, and USB circuit diagrams of the standard protocol are given respectively, among which PCMCIA and CF are the same, the only difference is the size of the socket. Figure 5 The connection circuit diagram of the digital interface circuit between the microprocessor and the standard protocol and the sensor signal conditioning circuit is given. Figure 6 , Figure 7 , Figure 8 and Figure 9 The sensor conditioning circuit diagrams of ECG, blood oxygen saturation, body temperature and blood pressure are given respectively.

[0022] Medical sensor adapter card, usually used to realize the connection and data transmission between medical sensors and computers, personal digital assistants or handheld computers, including: one or more medical sensor interfaces, a standard protocol (CF / P...

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Abstract

An adaptive card of medical sensor consists of medical transducer interface, electronic circuit and digital interface of standard protocol. It is operated as using said transducer set to detect biological signal then nursing amplifying, filtering and A / D converting detected signal by electronic circuit, finally sending processed signal to personal assistant or hand computer through standard Compact flash-to RS232 or PCMCIA-to RS232 or USB-to- RS232 or USB.

Description

technical field [0001] The invention belongs to the field of electronics and biomedical engineering. It is a new type of medical instrument accessories, which can be used in monitoring, health care, hospitals, clinics and other occasions. It can be connected with personal digital assistants or palmtop computers and corresponding medical sensors to form Complete medical instrument. [0002] The medical sensor adapter card can be used to convert the physiological signals collected by common medical sensors (such as electrodes, cuffs, etc.) into digital signals after conditioning, amplification, and filtering, and connect them to Personal Digital Assistant or PDA for data transfer. It can be used as a personal digital assistant or a handheld computer to become a multifunctional mobile digital medical device, which is called a mobile medical digital terminal. [0003] Therefore, we invented the medical sensor adapter card, which is low in cost and easy to use, making the medical...

Claims

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Application Information

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IPC IPC(8): G06F3/05
Inventor 王卫东胡敏露李开元
Owner ZHEJIANG HELOWIN MEDICAL TECH
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