CN207946391U

CN207946391U - Wearable electrochemical sensor

Info

Publication number: CN207946391U
Application number: CN201820440079.3U
Authority: CN
Inventors: 万义星
Priority date: 2018-03-30
Filing date: 2018-03-30
Publication date: 2018-10-09
Anticipated expiration: 2028-03-30

Abstract

The utility model proposes a kind of wearable electrochemical sensors; box body, stopwatch, upper wrist seat and lower wrist seat; saliva chamber, working electrode, reference electrode, electrode tips and conducting wire are provided in the box body; it is coated with water accepting layer and protective layer successively outside the saliva chamber; the working electrode and reference electrode are distributed in saliva chamber both sides and are placed between water accepting layer and protective layer, and the box body is total to there are five and is uniformly plugged on wrist seat and lower wrist seat.The utility model acquires the saliva of different time sections diabetic by five box bodys respectively, redox reaction occurs for saliva and working electrode, normally Working Life is not influenced not only, the concentration of glucose in saliva can also can be obtained according to the current characteristics of the former working electrode of comparison after one by all samples together inspection；It can be spaced to noisy to remind diabetic to sample on time using stopwatch.The utility model is designed reasonably, simple in structure and portability are strong, are suitble to large-scale promotion.

Description

Wearable electrochemical sensor

Technical field

The utility model belongs to sensor technical field more particularly to a kind of wearable electrochemical sensor.

Background technology

The salivary gland secretion function of diabetic changes, and the oral cavity of diabetes this generalized metabolic diseases Topical manifestations are exactly that the glucose content in saliva is higher.It just needs to carry out the glucose in its saliva for diabetic Periodic detection.Usually, the glucose detected in saliva can use electrochemical sensor and corresponding glucose analyser.

Currently, the electrochemical sensor used in the well known glucose detected in saliva includes using multi-step redox Path (for example, a variety of enzymes, redox mediators etc.) with promote from or to target analytes electron transfer working electrode, with And working electrode is promoted to complete redox reference electrode and operating circuit.Sensor must be contacted with saliva, work Electrode is biased in scheduled positive (that is, oxidation) voltage or scheduled negative (that is, reduction) voltage, can be respectively by target point Analyse object oxidation or reduction.Redox reaction generates electric current, measures the electric current and compares it and calibration graph to determine mesh Mark the concentration of analyte.

Qualitative detection is done for diabetes patient, doctor can do primary more accurate detection, and patient's the previous day needs Keep oral cleaning to ensure to collect clean saliva sample；But it in order to provide some reliable reference datas, still needs The saliva of different periods on the same day is detected, in this case, it is necessary to which patient voluntarily acquires in stipulated time section Saliva.On the one hand, in order to not influence daily life arrangement, it is very not square directly to carry the larger glucose analyser of volume Just, it is unpractical with adopting with survey, this just needs in time, reasonably, easily first to collect collected sample；Separately On the one hand, the period of acquisition is difficult to grasp, and accidentally forgets to acquire, it is possible to miss the theoretical optimal acquisition time.

Utility model content

Sensor portability poor institute of the utility model for the glucose content of above-mentioned detection diabetic saliva , propose that a kind of reasonable design, simple in structure, easy to operate and portable wearable electrochemistry pass Sensor.

In order to achieve the above object, the technical solution adopted in the utility model is, provided by the utility model wearable Electrochemical sensor, including working electrode, reference electrode, electrode tips and conducting wire, the working electrode and reference electrode point An electrode tips are not connected by a conducting wire, the working electrode, reference electrode, electrode tips and conducting wire setting exist In box body, the box body is internally provided with saliva chamber, and water accepting layer and protective layer, the work are coated with successively outside the saliva chamber Make electrode and reference electrode is distributed in saliva chamber both sides and is placed between water accepting layer and protective layer, the front end of the box body is provided with Box mouth and box mouth lid with the cooperation of box mouth, are provided with telescoping tube at the box mouth, the box body altogether there are five and be uniformly plugged on On upper wrist seat and lower wrist seat, the both sides of the upper wrist seat are connect by elastic band with the both sides of lower wrist seat, are set on the upper wrist seat It is equipped with stopwatch.

Preferably, the surface of the working electrode is modified using glucose oxidase and nano material.

Preferably, the both sides of the box body are provided with slotting body, corresponding insert is provided on the upper wrist seat and lower wrist seat Hole.

Preferably, the electrode tips are arranged in inserting body and positioned at the ports for inserting body.

Preferably, distribution there are two box body and is distributed in stopwatch both sides on the upper wrist seat.

Preferably, the stopwatch has the function of to noisy.

Compared with prior art, it is with good effect the advantages of the utility model,

Saliva collection can be got saliva by 1, wearable electrochemical sensor provided by the utility model by telescoping tube In chamber, the moisture in saliva is removed and the target substance in saliva is made uniformly to ooze water accepting layer, target substance and work by water accepting layer Make electrode and redox reaction occurs.Section acquires multiple samples and stores respectively in required time, after one day, testing staff The electrode tips of all box bodys are connected to the current characteristics that can be obtained on glucose analyser on working electrode, root respectively The concentration of glucose in saliva can be obtained according to the current characteristics of the former working electrode of comparison；Using stopwatch can be spaced to it is noisy with It reminds diabetic to sample on time, is conducive to provide effective reference data, and conveniently provided specifically for diabetic Diet program.The utility model is designed reasonably, simple in structure and portability are strong, are suitble to large-scale promotion.

Description of the drawings

It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, For those of ordinary skill in the art, without having to pay creative labor, it can also obtain according to these attached drawings Obtain other attached drawings.

Fig. 1 is the overall structure diagram for the wearable electrochemical sensor that embodiment provides；

Fig. 2 is the internal structure schematic diagram for the wearable electrochemical sensor that embodiment provides；

Fig. 3 is the view in full section for the box body that embodiment provides；

In above each figure, 1, working electrode；2, reference electrode；3, electrode tips；4, conducting wire；5, box body；51, body is inserted； 6, box mouth；7, box mouth lid；8, telescoping tube；9, saliva chamber；10, water accepting layer；11, protective layer；12, upper wrist seat；13, lower wrist seat；14、 Jack；15, elastic band；16, stopwatch.

Specific implementation mode

It is below in conjunction with the accompanying drawings and real in order to be more clearly understood that the above objects, features, and advantages of the utility model Example is applied to be described further the utility model.It should be noted that in the absence of conflict, embodiments herein and reality The feature applied in example can be combined with each other.For sake of convenience, hereafter such as there are "upper", "lower", "left", "right" printed words, only indicate It is consistent with the upper and lower, left and right direction of attached drawing itself, restriction effect is not played to structure.

Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality Novel to implement using different from other modes described here, therefore, the utility model is not limited to be described below The limitation of the specific embodiment of specification.

Embodiment, as shown in Figure 1, Figure 2 and Figure 3, wearable electrochemical sensor provided by the utility model, including work Make electrode 1, reference electrode 2, electrode tips 3 and conducting wire 4, the working electrode 1 and reference electrode 2 pass through a conducting wire respectively 4 one electrode tips 3 of connection.Wherein, working electrode 1 is used for that redox reaction, the ginseng occurs with collected saliva It is electrode known to electrode potential to detect the potential difference with working electrode to examine electrode 2, and the electrode tips 3 are used for and Portugal Grape sugar analyzer connects.In this case, it can ensure that sensor provided by the utility model can normally coordinate grape sugar The work of analyzer.

In order to improve the portability of whole device, working electrode 1 provided by the utility model, reference electrode 2, electrode contact End 3 and conducting wire 4 are arranged in box body 5, and the box body 5 is total to there are five and is uniformly plugged on wrist seat 12 and lower wrist seat 13, institute The both sides for stating wrist seat 12 are connect by elastic band 14 with the both sides of lower wrist seat 13.Wherein, the both sides of box body 5 are provided with slotting body 51, corresponding jack 14 is provided on the upper wrist seat 12 and lower wrist seat 13.In this case, all spare box bodys 5 can It is worn in wrist by upper wrist seat 12 and lower wrist seat 13, and the two and the shape of human body wrist are adapted；Simultaneously using more A box body can be used for acquiring saliva in different time periods.

In order to remind diabetic to acquire saliva sample in time, meter is provided on upper wrist seat 12 provided by the utility model When table 16, the stopwatch 16 has the function of to noisy, and the box body 5 altogether there are five, wherein being provided with two on upper wrist seat 12 A box body 5 and the both sides for being located at stopwatch 16, there are three box bodys 5 for setting on the lower wrist seat 13；In this case, it presses within one day 12 hours calculate and time segment acquires saliva sample, can be first to making a noise successively, after having acquired once again using timer To noisy, and so on, it in this case greatly facilitates patient and voluntarily acquires saliva sample and do not interfere with routine work and life It is living.

For the ease of acquiring saliva, box body 5 provided by the utility model is internally provided with saliva chamber 9, the saliva chamber 9 It is coated with water accepting layer 10 and protective layer 11 successively outside, the working electrode 1 and reference electrode 2 are distributed in 9 both sides juxtaposition of saliva chamber Between water accepting layer 10 and protective layer 11, the working electrode 1 and reference electrode 2 connect an electricity by a conducting wire 4 respectively Pole contact jaw 3, the box mouth lid 7 that the front end of the box body 5 is provided with box mouth 6 and coordinates with box mouth 6 are provided at the box mouth 6 Telescoping tube 8.Wherein, the surface of the working electrode 1 is modified using glucose oxidase and nano material, to have distinguished The target substance of effect；Moreover, electrode tips 3 are connect with glucose analyser for convenience, the electrode tips setting exists It inserts in body 51 and positioned at the port for inserting body.

The operation principle of structure set by the box body is to unscrew box mouth lid 7, and telescoping tube 8 can pull out, and mouth is directed at telescoping tube 8 filter saliva in saliva chamber 9, and the moisture in saliva is removed and the target substance in saliva is made uniformly to ooze suction by water accepting layer 10 Water layer 10 makes target substance that redox reaction occur with working electrode 1, and section acquires multiple samples and stores up respectively in required time It deposits, after one day, the electrode tips 3 of all box bodys 5 are connected respectively on glucose analyser and can be obtained by testing staff Go out the current characteristics on working electrode 1, according to the current characteristics of the former working electrode of comparison and working electrode 1 and reference electrode 2 Potential difference can obtain the concentration of glucose in saliva.The present apparatus is easy to operate, good portability, is suitble to large-scale promotion.

The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent The equivalent embodiment of variation is applied to other fields, but every without departing from the content of the technical scheme of the utility model, according to this reality With novel technical spirit to any simple modification, equivalent variations and remodeling made by above example, it is new to still fall within this practicality The protection domain of type technical solution.

Claims

1. a kind of wearable electrochemical sensor, including working electrode, reference electrode, electrode tips and conducting wire, the work Make electrode and an electrode tips are connected by a conducting wire respectively with reference electrode, which is characterized in that including box body, the box Body is internally provided with saliva chamber, and water accepting layer and protective layer, the working electrode and reference are coated with successively outside the saliva chamber Distribution of electrodes is placed in saliva chamber both sides between water accepting layer and protective layer, the front end of the box body be provided with box mouth and with box mouth The box mouth lid of cooperation, is provided with telescoping tube at the box mouth, the box body altogether there are five and be uniformly plugged on wrist seat and lower wrist On seat, the both sides of the upper wrist seat are connect by elastic band with the both sides of lower wrist seat, and stopwatch is provided on the upper wrist seat.

2. wearable electrochemical sensor according to claim 1, which is characterized in that the surface of the working electrode makes It is modified with glucose oxidase and nano material.

3. wearable electrochemical sensor according to claim 2, which is characterized in that the both sides of the box body are provided with Body is inserted, corresponding jack is provided on the upper wrist seat and lower wrist seat.

4. wearable electrochemical sensor according to claim 3, which is characterized in that the electrode tips setting exists It inserts in body and positioned at the port for inserting body.

5. wearable electrochemical sensor according to claim 4, which is characterized in that be distributed with two on the upper wrist seat A box body is simultaneously distributed in stopwatch both sides.

6. wearable electrochemical sensor according to claim 5, which is characterized in that the stopwatch has to the work(that makes a noise Energy.