Method and system for constructing modular medical instrument based on USB HUB

A technology of medical instruments and construction methods, applied in the direction of instruments, sensors, medical science, etc. introduced into the body, can solve the problems of difficult maintenance, dependence on a single acquisition control, instrument interference, etc., to achieve functional expansion, flexible scalability, and easy maintenance. Effect

Inactive Publication Date: 2009-09-23
CHONGQING UNIV
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  • Application Information

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Problems solved by technology

However, this utility model still has the disadvantages of needing an external physiological signal detection circuit and not adopting electrical safety isolation measures
The Chinese patent application number is: 200510013384.1, and the name is: "Multiple Physiological Parameter Detection System Based on USB", which discloses a physiological parameter detection system based on USB bus for data transmission and communication control. The patent application uses signal and power Isolation technology ensures the safety of use, and can realize the detection of ECG, blood pressure, blood oxygen, respiration, and body temperature signals; its disadvantage is that the acquisition and control of all physiological signals depends on a single microprocessor. Failure, the detection of all parameters will not be carried out normally, the reliability is poor, and it is not easy to maintain, and the system cannot realize the expansion of detection parameters and realize the individualized physiological parameter detection function according to specific detection requirements
[0004] The functions of existing medical instruments are set by the manufacturer and cannot be modified by users, and the functions of medical instruments cannot be expanded according to specific needs. Detection instruments can only detect fixed types of physiological parameters, and diagnostic instruments can only perform fixed types of image diagnosis. Therapeutic instruments can only perform fixed types of treatment. Clinically, many different instruments are often used at the same time, which brings mutual interference between instruments, increases the complexity of power management, and increases the cost of purchasing medical equipment for hospitals. cost, while increasing the medical burden of patients

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  • Method and system for constructing modular medical instrument based on USB HUB
  • Method and system for constructing modular medical instrument based on USB HUB
  • Method and system for constructing modular medical instrument based on USB HUB

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Embodiment 1

[0031] Such as figure 1 As shown, this system includes a modular multi-physiological parameter signal acquisition circuit, USB HUB module, power supply module, central console server (including a dedicated software platform based on the central console server) and output devices. Among them, the modular multi-physiological parameter signal acquisition circuit includes a heart sound signal acquisition module, an ECG signal acquisition module, a non-invasive blood pressure signal acquisition module, a blood oxygen signal acquisition module, an EEG signal acquisition module, an EMG signal acquisition module, and a carotid pulse Wave signal acquisition module, respiratory signal acquisition module and body temperature signal acquisition module. The four functional modules of heart sound signal acquisition module, ECG signal acquisition module, non-invasive blood pressure signal acquisition module and blood oxygen signal acquisition module constitute the basic physiological parameter ...

Embodiment 2

[0050] Such as Figure 4 As shown, the USB topology is adopted, and the medical instrument function expansion is realized through the USB HUB module, and the diagnosis HUB and the treatment HUB are expanded. Specific extension from Figure 4 It can be seen that: USB HUB module 1 has seven USB ports, four of which are connected to the basic physiological parameter signal acquisition module (the basic physiological parameter signal acquisition module and other physiological parameter signal acquisition modules can also be connected, any of the nine modules in total) The other three USB ports are connected to the expanded USB HUB module 2, the diagnostic HUB and the treatment HUB. The other five physiological parameter signal acquisition modules are connected to the expanded USB HUB module 2 through the USB interface.

[0051] Such as Figure 5 As shown, a modularized medical instrument system based on USB HUB with extended functions. The modularized multi-physiological parameter sign...

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Abstract

The invention relates to a method and a system for constructing a modular medical instrument based on USB HUB. The method comprises the following steps: each functional circuit adopts modular design, independently adopts a microprocessor and has the functions of independent AD conversion and USB communication control; each functional module is connected with a USB HUB module which has an electrical safety isolation function through a USB bus; and the USB HUB module is connected with a central console (PC) or server hardware through the USB bus, and connected with a special software platform based on the PC to form a complete medical instrument system. The method can realize high reliability and easy maintenance of the medical instrument, and the flexible expandability of the functions of the medical instrument, change the mode that the functions of the medical instrument are set by manufactures and can not be modified by a user, lead the user to be capable of randomly combining (increase or decrease) the functional modules according to specific detection requirements, and realize the personalized physiological parameter detection function and the function expansion of the medical instrument by USB topological structure.

Description

Technical field [0001] The invention relates to a medical instrument construction method and a medical system constructed according to the method, in particular to a USB HUB-based modular medical instrument construction method and system, belonging to the field of medical electronic instruments. Background technique [0002] Universal Serial Bus (USB) has become the most widely used communication connection standard with the advantages of low price, high speed, flexible expandability and high integration design. In addition to common PC-side applications, Universal Serial Bus USB as a data communication interface is used in more and more fields. At present, the USB interface data communication method has gradually entered the field of medical equipment. [0003] Chinese patent 02289498.5, titled "USB-based multi-channel AD collector", discloses an improvement to the original AD data collector based on ISA interface. The collector mainly includes a USB interface circuit connected ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0205A61B19/00A61B8/00A61B1/00A61N1/39A61B18/12A61M5/14A61B5/00A61B90/00
Inventor 郭兴明王东钟丽莎
Owner CHONGQING UNIV
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