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A composite volumetric pulse wave signal acquisition and processing finger cot

A volume pulse wave and signal acquisition technology, applied in the field of medical devices, can solve the problems of easy displacement of clips, high time cost, poor practicability, etc., to improve the accuracy and stability of measurement, easy connection and separation, The effect of ingenious structure design

Inactive Publication Date: 2017-07-14
北京首科长昊医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And the device that collects PPG signal on the market at present all is to wear collection device body on the wrist, then this collection device body is connected with collection probe through lead wire, and collection probe is a clip, and this clip is clamped on the finger to carry out data collection; The device has at least the following deficiencies: first, when a collision occurs or when the user moves or turns over, the clip is easy to shift, resulting in inaccurate and unstable data collection; the user usually needs to be very careful when collecting PPG signals; secondly, due to The main body of the acquisition device and the acquisition probe are connected by a wire, and the user or other people on the side may accidentally bump or pull the wire, and it is easy to make the acquisition probe shift and affect the measurement results
It is a hollow device through which fingers can pass. The overall structure is finger-like, but the size of the hole passing through the finger in the middle of the device is relatively fixed, and the individual users vary greatly, and the thickness and length of fingers vary greatly, which is easy to cause The pulse sensor is not in stable or firm contact with the finger, which greatly affects the accuracy of data collection
In addition, the structure of the device is fine and complicated, and a damaged part cannot be replaced, so the whole device needs to be discarded. Even if it can be replaced, the operation is complicated and the time cost is high
Therefore, the practicability of the device is not strong and it is not suitable for clinical application

Method used

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  • A composite volumetric pulse wave signal acquisition and processing finger cot
  • A composite volumetric pulse wave signal acquisition and processing finger cot
  • A composite volumetric pulse wave signal acquisition and processing finger cot

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Such as Figure 1~4 as shown, figure 1 It is a schematic diagram of the overall explosion of the volumetric pulse wave acquisition and processing finger cuff. The sensor on the left in the figure is the transmitting sensor, and the sensor on the right is the receiving sensor; figure 2 It is the front view of the slider, with sides on three sides, one side is open, and no side; image 3 It is a schematic diagram of the structure of the collection and processing finger cot in use; Figure 4 It is a side view of the sliding seat and the base connected together, and the figure shows the structure of double chute and double slide rail.

[0040] A compound volumetric pulse wave acquisition and processing finger cuff according to an embodiment of the present invention includes a first unit and a second unit that can communicate with each other.

[0041] The first unit includes an upper case 1, a control circuit unit 2, a sliding seat 3 and a spring contact 4;

[0042] The...

Embodiment 2

[0052] Such as Figure 5 as shown, Figure 5 It is a schematic diagram of the structure in which only one slide rail matches one chute.

[0053] Outwardly extending first slide rails 35 are provided on two opposite sides of the periphery of the slide seat 3 in Embodiment 1, and although the lower end surface of the slide seat 3 is fixedly connected to the opening of the upper case 1, the first slide rails 35 is exposed on the outside of the upper shell 1 to facilitate sliding fit with the base 6 .

[0054] Correspondingly, the inner sides of two side surfaces adjacent to one side of the opening on the base 6 are provided with a second slide groove 63 that matches the first slide rail 35; the thickness and depth of the second slide groove 63 are the same as those of the first slide rail. The thickness and depth of 35 match, that is, the first sliding rail 35 can just be accommodated in the second sliding groove 63 for effective sliding.

[0055] After the first sliding rail ...

Embodiment 3

[0058] The volumetric pulse wave collection and processing finger cuffs in Embodiments 1-2 are connected to an intelligent terminal equipped with a bluetooth device. If it is connected to a smart phone through bluetooth, the data of the control circuit unit 2 is transmitted to the intelligent terminal, and further processing is carried out through the intelligent terminal. deal with.

[0059] During specific implementation, the second slide groove 63 is matched with the first slide rail 35, or the second slide groove 63 is matched with the first slide rail 35 and the second slide rail 64 is matched with the first slide groove 34. The sliding seat 3 of one unit slides into the base 6 of the second unit to make the spring contact 4 and the spring contact piece 5 conduct or electrically connect, and make the first unit and the second unit become the integral structure of collecting and processing finger cuffs, and then use The fingernail of the patient is facing upward, and the c...

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PUM

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Abstract

The invention relates to a composite volume pulse wave signal collecting and processing fingerstall which comprises a first unit and a second unit capable of being communicated with the first unit. The first unit comprises an upper shell, a control circuit unit, a sliding base and a spring contact. The second unit comprises a spring wafer, a base, a silica gel strip, a sensor and non-woven fabric. The control circuit unit is arranged in the upper shell, and first sliding rails are arranged on the two opposite side faces of the periphery of the sliding base. Second sliding grooves are formed in the inner sides of the two side faces of the base, and the silica gel strip is fixed to the finger through the non-woven fabric. The sliding base of the first unit can be connected with the base of the second unit through cooperation of the first sliding rails and the second sliding grooves. The overall structural design is ingenious and reasonable, the sensor and the finger are combined tightly, firmly and constantly, use is more convenient, no wire is needed, measurement accuracy and stability can be improved, certain components can be abandoned as consumables when damaged, normal use of other components is not influenced, cost is reduced, and resources are saved.

Description

technical field [0001] The invention relates to a signal acquisition device in the field of medical equipment, in particular to a composite volume pulse wave signal acquisition and processing finger cuff. Background technique [0002] Photoplethysmography (PhotoPlethysmoGraphy, PPG) is a non-invasive detection method for detecting changes in blood volume in living tissue by photoelectric means. [0003] When the light beam of a certain wavelength is irradiated on the surface of the fingertip skin, the light beam will be transmitted to the photoelectric receiver through transmission or reflection. During this process, the light intensity detected by the detector will be weakened due to the absorption and attenuation of the fingertip skin, muscles and blood. The absorption of light by the skin, muscle tissue, etc. remains constant throughout the blood circulation, while the blood volume in the skin changes pulsatingly under the action of the heart. When the heart contracts, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08C17/02A61B5/0225
CPCA61B5/0225G08C17/02
Inventor 王晓晖
Owner 北京首科长昊医疗科技有限公司
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