CN2249062Y

CN2249062Y - Protable dynamic electro cardiogram analyzing recorder

Info

Publication number: CN2249062Y
Application number: CN 95246161
Authority: CN
Inventors: 张盛冰; 杨振野
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-10-30
Filing date: 1995-10-30
Publication date: 1997-03-12
Anticipated expiration: 2005-10-30

Abstract

The utility model relates to a protable dynamic electro cardiogram analyzing recorder, which is provided with a microcomputer chip and a large-scale peripheral interface circuit, and thus, the utility model achieves real-time analysis and realizes an electrocardio-information record within 24 HR. or more; the utility model also combines a communication printerfacing with an interface circuit, achieves man-machine interaction, and generates an electrocardio-analysis report independently without the connection of a microcomputer. The utility model can be widely used in hospitals and for private use.

Description

A kind of portable dynamic ecg analysis monitor

This utility model relates to a kind of portable dynamic ecg analysis monitor that adopts large scale integrated chip to carry out real-time ecg analysis and record.

Up to the present, the monitor that can carry out fundamental analysis all can not carry out long-time electrocardiographic recording, for example Chinese patent CN2164793Y more than 24 hours.So this is because its solid-state memory off-capacity can only be carried out the sheet segment record, and the monitor that can carry out writing down more than 24 hours can not carry out the Real-time and Dynamic analysis.

The purpose of this utility model is: provide a kind of and not only can carry out real-time analysis but also can finish ecg information record complete more than 24 hours; And do not need again and the ecg analysis report of the standard that can produce that links of outside microcomputer, and have the portable dynamic ecg analysis monitor that can connect the function that back output ecg analysis reports with external equipment.

This utility model is to realize like this, as shown in Figure 1, its device comprises: ecg information probe (1), pre-amplification circuit (2), power circuit (3), interface circuit (4), display circuit (5), it is characterized in that: ecg information probe (1) is connected with pre-amplification circuit (2), circuit (2) is connected with microcomputer chip and extensive peripheral interface circuit (6), circuit (6) is connected with interface circuit (4), circuit (6) is connected with display circuit (5), circuit (6) is connected with high capacity memory circuit (7), power circuit (3) and probe (1), circuit (2), interface circuit (4), circuit (5), circuit (6), the power end of memory circuit (7) connects.Ecg information probe (1) is connected to human body, the ecg information that is detected delivered to send microcomputer chip (10) to handle after preamplifier (2) amplifies, handling the back ecg information send high capacity memory circuit (7) to preserve, according to the result of microcomputer chip (10), ecg information can be delivered to display circuit (5) by extensive peripheral interface circuit (11) simultaneously and show.People's operation can be required to deliver to microcomputer chip and extensive peripheral interface circuit (6) by interface circuit (4).Power circuit (3) provides power supply for complete machine.Memorizer in the employed high capacity memory circuit (7) is a solid-state memory, and its capacity reaches more than 16 Mbytes.Solid-state memory among the circuit (7) can use chips such as dynamic memory KM44C4100, KM42C8100,28F010.Owing to adopted microcomputer chip (10) and extensive peripheral interface circuit (11), (as 80C198 or 80C196 and PSD4XX or PSD5XX etc.) make native system also can carry out real-time analysis to abnormal electrocardiogram simultaneously and handle in that record is cardiac electrical, when analyzing abnormal electrocardiogram, the abnormal electrocardiogram ripple can be shown on the display screen of display circuit (5) in real time, show relevant information simultaneously.

This utility model can also be done following specializing; As shown in Figure 2, microcomputer chip (10) is made up of microcomputer chip (10) and extensive peripheral interface circuit (11) with extensive peripheral interface circuit (6), the signal input part of warning circuit (8) is connected with the signal output part of microcomputer chip (10), power end is connected with power circuit (3): the holding wire of parallel communication printing interface (9) connects with the data wire and the control line of circuit (11) respectively, its power line is connected with power circuit (3), the output control terminal of LPT (9) is connected with the input of microcomputer chip (10), and the input control end of LPT (9) is connected with the signal output part of microcomputer chip (10); The interface of circuit (11) joins with the control mouth with the data of LPT (9) respectively, and the input control end of LPT (9) is connected with the output control terminal of circuit (11), and the output control terminal of LPT (9) is connected with the input control end of circuit (11).Owing to used warning circuit (8), when microcomputer chip (10) and extensive peripheral interface circuit (11) (hereinafter to be referred as interface circuit (6)) when analyzing the abnormal electrocardiogram ripple, microcomputer chip and extensive peripheral interface circuit (6) will be controlled the warning message that warning circuit (8) sends sound and light.Parallel communication printing interface (9) matches with interface circuit (6), can under the control of interface circuit (4), edit and revise the ecg information and the analysis result that are write down, the doctor can directly diagnose the patient by the display screen of display circuit (5), can directly print ecg analysis report and unusual waveforms behind the connection printer.As required, can also realize and the communication of PC, both the result that institute writes down and analyzes can be imported into PC and preserve or browse, also can directly carry out the parameter setting by parallel communication printing interface (9).Above function can be by standard print mouth such as DB25, in the control of interface circuit (6) realization of getting off, input control can be controlled with output and directly be linked to each other with microcomputer chip (10).Also can link to each other with microcomputer chip (10) by extensive peripheral interface circuit (11).

This utility model can also be done following specialize: mass storage (7) is made up of address switch circuit (12) and address decoding circuitry (13) and memorizer (14), wherein, circuit (12) is connected with memorizer (14), circuit (13) is connected with memorizer (14), memorizer (14) is connected with chip (10), and circuit (11) is connected with circuit (12), circuit (13) respectively.As shown in Figure 3, the data wire of the memorizer of mass storage (7) directly links to each other with microcomputer chip (10), and the address wire that the address wire of microcomputer chip (10) and microcomputer chip (10) are delivered to extensive peripheral interface circuit (11) is all delivered to address switch circuit (12) and given the memorizer of mass storage (7) again.Its low order address line needn't latch.Address decoding circuitry (13) links to each other with extensive peripheral interface circuit (11) and finishes sheet and select function.Owing to adopt the present embodiment, not only simplified interface circuit but also saved power consumption.Address switch circuit (12) and address decoding circuitry (13) can be connected to the interface of any setting able to programme of extensive peripheral interface circuit (11).

This utility model can also be done following specializing: referring to Fig. 3, display circuit (5) directly links to each other with microcomputer chip and extensive peripheral interface circuit (6).Owing to adopted extensive peripheral interface circuit (11), made that the interface of display circuit (5) is simplified.The interface of its control signal is finished by extensive peripheral interface circuit (11).The scheme doctor can edit setting with modification and analytical parameters to analysis result thus.

This utility model has been owing to adopted microcomputer chip and extensive peripheral interface circuit (6) to combine with mass storage (7), thereby realized in the real-time analysis abnormal electrocardiogram recording storage electrical information whole-heartedly more than 24 hours.Again because adopted parallel communication printing interface (9) and interface circuit (4) thus realized human computer conversation easily, and needn't link with microcomputer again and can independently produce the ecg analysis report, report with the external equipment exportable ecg analysis in back that links.Can directly on display screen, diagnose by means of display circuit (5) doctor; Under the cooperation of interface circuit (4), the doctor can edit setting with modification and analytical parameters to analysis result.

Fig. 1, be basic structure sketch map of the present utility model.

Fig. 2, be structural representation of the present utility model.

Fig. 3, be a kind of physical circuit of the present utility model.

Fig. 4, be the partial circuit diagram of part of a kind of variation of Fig. 3 circuit.

Embodiment 1:

As shown in Figure 3, (4) be 6 * 8 keyboards, (5) be dot matrix lcd (MGL32064), (9) be parallel communication printing interface DB25, (10) be singlechip chip 80C196KC, (11) are the extensive peripheral interface chip of single-chip microcomputer PSD4XX, and (12) are three integrated circuit 74HC157, (13) be integrated circuit 74HC138, (14) are 16 mass storage chip KM44C4100.After sending (2) to amplify via (1), human ecg signal delivers to the ACH of (10) ₀-ACH ₂(analog input channel) delivered to IC1 to IC16 and stored after (10) analyzing and processing.(10) realize by (11) with the interface of (9), (5), (12) and (13).(10) information that can export is delivered to (11) each mouthful respectively and is latched.(11) PB0-PB5 is the keyboard scan line, and the output lead of (4) is connected to the P1 mouth of (10).(10) demonstration information reaches (5) via (11).(10) high address that will reference to storage can deposit information in IC1 to IC16 after sending the PA mouth of (11) and PD0-PD3 to latch.The address wire of IC1 to IC16 is provided by (12), and select lines is provided by (13).(3) for all components and parts power ends provide+5V and-the 10V D.C. regulated power supply.(10) HSO.O is connected to warning circuit (8).Control line by (11) controls (9) becomes bidirectional interface to reach (9), and the both exportable standard printer that connects also can be realized the both-way communication contact with PC.By the latch function of (11), the information of (10) directly can be reached (5) and do not need other interface chips.Owing to used high-speed microprocessor 80C196KC, processing speed greatly improves, to guarantee in the Treatment Analysis ecg information ecg information being carried out the filtering storage in real time.Use 16 high capacity dynamic memories (total capacity reaches 32MB) can note 24 hours three ecg informations that lead.

Embodiment 2:

As shown in Figure 4, (9) are parallel communication printing interface DB25, and (10) are single-chip microcomputer 80C196KC, and (11) are extensive SCM peripheral interface circuits.(9) control line directly with the HSO.2 of (10), HSO.3 and HSI.1, HSI.2 links.The mouth line that can economize out (11) like this is so that other usefulness.Other parts are identical with embodiment 1.

Claims

1, a kind of portable dynamic ecg analysis monitor, it comprises: ecg information probe (1), pre-amplification circuit (2), power circuit (3), interface circuit (4), display circuit (5), it is characterized in that: ecg information probe (1) is connected with pre-amplification circuit (2), circuit (2) is connected with microcomputer chip and extensive peripheral interface circuit (6), circuit (6) is connected with interface circuit (4), circuit (6) is connected with display circuit (5), circuit (6) is connected with high capacity memory circuit (7), power circuit (3) and probe (1), circuit (2), interface circuit (4), circuit (5), circuit (6), the power end of memory circuit (7) connects.

2, portable dynamic ecg analysis monitor according to claim 1, it is characterized in that: microcomputer chip is made up of microcomputer chip (10) and extensive peripheral interface circuit (11) with extensive peripheral interface circuit (6), the signal input part of warning circuit (8) is connected with the signal output part of microcomputer chip (10), power end is connected with power circuit (3): the holding wire of parallel communication printing interface (9) connects with the data wire and the control line of circuit (11) respectively, its power line is connected with power circuit (3), the output control terminal of LPT (9) is connected with the input of microcomputer chip (10), and the input control end of LPT (9) is connected with the signal output part of microcomputer chip (10).

3, portable dynamic ecg analysis monitor according to claim 2, it is characterized in that: the interface of circuit (11) joins with the control mouth with the data of LPT (9) respectively, and the input control end of LPT (9) is connected with the output control terminal of circuit (11), and the output control terminal of LPT (9) is connected with the input control end of circuit (11).

4, according to claim 1 or 2 or 3 described portable dynamic ecg analysis monitors, it is characterized in that: circuit (7) is made up of address switch circuit (12) and address decoding circuitry (13) and memorizer (14), wherein, circuit (12) is connected with memorizer (14), circuit (13) is connected with memorizer (14), memorizer (14) is connected with chip (10), and circuit (11) is connected with circuit (12), circuit (13) respectively.

5, according to claim 1 or 2 or 3 described portable dynamic ecg analysis monitors, it is characterized in that: display circuit (5) directly links to each other with chip (10), circuit (11).