CN202568250U

CN202568250U - Dry-type electrocardio sensing pectoral girdle

Info

Publication number: CN202568250U
Application number: CN 201220074229
Authority: CN
Inventors: 周平; 汪丰
Original assignee: Southeast University
Current assignee: Southeast University
Priority date: 2012-03-02
Filing date: 2012-03-02
Publication date: 2012-12-05
Anticipated expiration: 2022-03-02

Abstract

The utility model relates to a dry-type electrocardio sensing pectoral girdle which has a structure that four layers are overlapped and connected into a whole and is provided with a stripe substrate layer, wherein a stripe electrode layer is arranged on the surface of one side of the substrate layer, the electrode layer is divided into two sections, a space is formed between the two sections, the substrate layer at the space is exposed, the surfaces of one ends of the two sections of electrode layers, which are separated from each other, are respectively provided with a signal interface conducted with the electrode layers, stripe isolation layers are arranged above the electrode layers, the isolation layers cover the two signal interfaces and are provided with two holes which are corresponding to the position of the two signal interfaces to expose the two signal interfaces, a stripe shielding layer is arranged on the surface of the other side of the substrate layer, two ends of the substrate layer are respectively connected with one section of elastic band, the tail ends of the two sections of elastic band are respectively provided with a velcro, and all the layers are fixedly connected.

Description

A kind of dry type electrocardio sensing pectoral girdle

Technical field

This utility model relates to a kind of dry type electrocardio sensing pectoral girdle, is used to gather the human biological signal, thereby obtains human ecg signal, belongs to technical field of medical instruments.

Background technology

Heart disease is one of principal disease that threatens human health, and cardiac monitoring is the important means of heart disease diagnosis.Routine electrocardiogram is by the electrocardio-activity of cardiac monitoring equipment records under the patient reposes condition; Usually be lasted for several seconds to one minute; Can only obtain the information of a small amount of relevant heart state; As to the arrhythmia patient, because therefore electrocardiosignal Non Apparent Abnormality when not falling ill only adopts routine electrocardiogram to be difficult to find.Electrocardio holter is a kind of portable cardiac custodial care facility of long-time continuous record electrocardio-activity, and it has remedied routine electrocardiogram only can do the deficiency of inactive record in short-term, is the important tool of heart disease auxiliary diagnosis.

In cardiac monitoring, among routine electrocardiogram and the electrocardio holter, use traditional disposable Ag/AgCl pick off at present more.Use disposable Ag/AgCl pick off to need before use patient's local skin to be carried out processing such as defeathering, exfoliation, and from the purpose that reduces contact impedance, precoating have conductive paste usually on the Ag/AgCl pick off as EGC sensor.In the cardiac monitoring process, use disposable Ag/AgCl pick off to have advantages such as contact stabilization, contact impedance be low, but when being used for long-time cardiac monitoring, exist following defective: negative effect such as 1) can cause skin sensitivity, pruritus, fester; 2) because conductive paste can dry up gradually, so the contact impedance of pick off and skin can raise with the increase of service time, is unfavorable for long-time cardiac monitoring; 3) pick off can only disposablely use, and can not reuse.Therefore, traditional disposable Ag/AgCl pick off is not suitable for long-time cardiac monitoring.

The existing sensors solution adopts the Wearable device more; As the fabric that is formed by metallic fiber (silver, copper, steel etc.) and textile fabric blending is installed on vest; Utilize the electric conductivity of this fabric, replace traditional disposable Ag/AgCl pick off to realize the collection of electrocardiosignal.This Wearable solution has overcome the defective of traditional disposable Ag/AgCl pick off in the long time electrocardiogram acquisition; But in use; Particularly in the physical activity process; Can form big space between skin and fabric, influence the normal collection of electrocardiosignal, reading, analysis and the auxiliary diagnosis of follow-up electrocardiosignal caused difficulty.As if the monitoring that this Wearable device is used for daily heart real time/heart rate, then can cause the faulty identification of electrocardio/heart rate owing to the motion of human body, and the wrong report that further produces warning message.

Summary of the invention

This utility model is guarded towards the electrocardio/heart rate in the daily life; A kind of ribbon-type dry electrocardio sensing pectoral girdle is proposed; Be intended to overcome the defective of traditional disposable Ag/AgCl pick off in long-time the use, and the Wearable device defective that electrocardiosignal can't normally be gathered when physical activity.

This utility model adopts following technical scheme: a kind of dry type electrocardio sensing pectoral girdle is characterized in that: this electrocardio sensing pectoral girdle is the four folded layer by layer and structures that connect as one, and a band-shaped substrate layer is set; On a side surface of basal layer, be provided with the band electrode layer, this electrode layer is arranged to two sections, between be provided with spacing; Spacing place basal layer exposes, and on the isolating end surfaces of two segment electrode layers, is respectively equipped with the signaling interface with the electrode layer conducting; On electrode layer, be provided with banded sealing coat, sealing coat covers two signaling interfaces, and it is corresponding with two signaling interface positions to have two holes on the sealing coat; Expose two signaling interfaces, be provided with banded screen layer on the opposite side surface of basal layer, the two ends of basal layer connect one section elastic cord respectively; The end of two sections elastic cords is respectively equipped with velcro, and is affixed between each layer.

Said substrate series of strata purified cotton cloth, electrode series of strata fine silver fiber textile, spacing >=4cm between the two segment electrode layers; Two signal conduction interfaces are the fine copper four-part button, and two fine copper four-part button distance of center circle >=6cm isolate the series of strata purified cotton cloth; Shielding series of strata steel fibre yarn fabric is sewed up connection between each layer.

This utility model is compared with existing pick off; Have following advantage and beneficial effect: use the fine silver fiber textile as electrode material; Need not use conductive paste, thereby overcome defectives such as the skin sensitivity, the contact impedance that are caused by the disposable Ag/AgCl pick off of tradition change in time; Adopt band shape as the pick off form, compare with existing wearing type electrocardiogram acquisition scheme, be beneficial to pick off more and be fixed in the human chest position, under human body daily exercise condition, like walking, stair activity can obtain electrocardiogram acquisition effect preferably; Adopt the steel fibre yarn fabric as outside shielding material, improved the signal to noise ratio of gathering the gained electrocardiosignal.

Description of drawings

Fig. 1 is this utility model front view;

Fig. 2 is this utility model dorsal view;

Fig. 3 is this utility model hierarchical diagram;

Fig. 4 is this utility model electrocardiogram acquisition design sketch.

The specific embodiment

Referring to Fig. 1-3, basal layer 1 uses the purified cotton cloth that is not ductile, and is of a size of 30cm * 5cm; 7 is that the degree of tightness cloth that is ductile is made the outer end at basal layer 1 respectively; 2 is velcro, makes in the outer end of degree of tightness cloth 7, with effect (this utility model length serves as according to design with normal human's chest girth scope, the degree of tightness effect when velcro is dressed pick off with the adjusting human body) fixing and that regulate the human body wearing.The electrode layer 3 that 100% fine silver fiber blend cloth is processed is arranged to two sections (every section 10cm * 4cm); Between spacing >=4cm; Spacing place basal layer 1 exposes. and on two segment electrode layers, 3 an isolating end surfaces, symmetrical fixed signal interface 4 is the fine copper four-part button respectively; The about 1cm of two fine copper four-part button distance of center circle fine silver fiber textile near-ends, promptly two four-part button distance of center circle are from about 6cm.(14cm * 5cm), the distance when purposes is to guarantee the band electrode measurement is to gather correct electrocardiosignal to cover banded sealing coat 5 on the two fine copper four-part buttons.Which is provided with two apertures corresponding,, be used to connect the electrocardiogram (ECG) data gauge to expose the column ledge of fine copper four-part button with the fine copper four-part button.The length of sealing coat 5 covers electrode layer 3, two segment electrode layers 3 fully has 5cm length to expose respectively approximately, as the EGC sensor that contacts with the human body shirtfront.Because the body surface bioelectrical signals is extremely faint, EGC sensor is subject to the outside noise influence, makes the electrocardiosignal signal to noise ratio that collects descend.This utility model adopts the steel fibre yarn fabric to make at the back side of basal layer 1 as screen layer 6, realizes the purpose of shielding outside noise.

Use embodiment: this utility model is fixed in the human chest position, and sealing coat 5 is in the face of the shirtfront contact.Adopt electrocardio-data collection equipment to be connected the collection of accomplishing electrocardiosignal with the fine copper four-part button.In the gatherer process; The silver-colored fiber band electrode that is contacted with left and right breast is equivalent to be fixed in traditional electrocardio measurement the electrode of left hand and right hand respectively; In electrocardio-data collection equipment, being provided with extra feedback electrode directly contacts with human body; As being equivalent to the electrode use that right lower limb drives, to improve the common mode rejection ratio of electrocardiosignal.It is as shown in Figure 4 to collect the electrocardiosignal of human body when static.

Claims

1. dry type electrocardio sensing pectoral girdle, it is characterized in that: this electrocardio sensing pectoral girdle is the structure that four range upon range of merging connect as one, and a band-shaped substrate layer is set; On a side surface of basal layer, be provided with the band electrode layer, this electrode layer is arranged to two sections, between be provided with spacing; Spacing place basal layer exposes, and on the isolating end surfaces of two segment electrode layers, is respectively equipped with the signaling interface with the electrode layer conducting; On electrode layer, be provided with banded sealing coat, sealing coat covers two signaling interfaces, and it is corresponding with two signaling interface positions to have two holes on the sealing coat; Expose two signaling interfaces, be provided with banded screen layer on the opposite side surface of basal layer, the two ends of basal layer connect one section elastic cord respectively; The end of two sections elastic cords is respectively equipped with velcro, and is affixed between each layer.

2. dry type electrocardio sensing pectoral girdle according to claim 1 is characterized in that: spacing >=4cm between the two segment electrode layers, and two signaling interfaces are the fine copper four-part button, and two fine copper four-part button distance of center circle >=6cm make connection between each layer.