CN112716488B - Noninvasive glucometer and blood glucose detection method - Google Patents
Noninvasive glucometer and blood glucose detection method Download PDFInfo
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- CN112716488B CN112716488B CN202011535882.3A CN202011535882A CN112716488B CN 112716488 B CN112716488 B CN 112716488B CN 202011535882 A CN202011535882 A CN 202011535882A CN 112716488 B CN112716488 B CN 112716488B
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6814—Head
- A61B5/6815—Ear
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6831—Straps, bands or harnesses
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6838—Clamps or clips
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Abstract
The invention discloses a noninvasive glucometer and a blood sugar detection method, comprising a first ear clip and a second ear clip, wherein one end of the first ear clip is fixedly connected with a sleeve, the surface of the first ear clip corresponding to the position of the sleeve is fixedly connected with a piston cylinder, the inner wall of the piston cylinder is movably connected with a piston, and one end of the piston far away from the position of the first ear clip is fixedly provided with a piston rod. According to the invention, air in the piston cylinder enters the second silica gel air bag through the first through hole, the sleeve, the cannula and the second through hole by the piston positioned at the top, and the second silica gel air bag is expanded to be tightly attached to the skin of the cymba concha of a user, so that the positions of the second ear clip and the first silica gel air bag are positioned, and then the air positioned in the piston cylinder at the bottom is extruded into the first silica gel air bag, so that the position of the external auricle of the user is tightly fixed between the first ear clip and the second ear clip by the edge of the first silica gel air bag, and the purpose of conveniently fixing the ear of the user is realized.
Description
Technical Field
The invention relates to the technical field of medical detection equipment, in particular to a noninvasive blood glucose meter and a blood glucose detection method.
Background
Diabetes mellitus is a metabolic disease with multiple causes, is caused by insufficient insulin secretion or insulin utilization disorder, is mainly characterized by chronic hyperglycemia, is accompanied by carbohydrate, fat and protein metabolic disorders, and can cause a series of serious complications. Diabetes mellitus is one of the major diseases threatening human health. Diabetes not only greatly reduces the quality of life of patients, but also increases global economic burden, so that the related research on the prevention and treatment of diabetes is not easy, the blood sugar concentration is an important index for reflecting the state of the diabetes, frequent blood sugar measurement is helpful for monitoring the state of the diabetes, and the blood sugar concentration is maintained at a normal level in time. Blood sugar detection methods are classified into invasive, minimally invasive and non-invasive methods. The invasive and minimally invasive detection methods have been put into clinical use due to higher precision, but these methods often cause patients to feel painful and uncomfortable due to blood sampling, and have infection risks, and in addition, the measurement cost is higher each time, so the noninvasive blood glucose detection technology is widely concerned by various social circles, cuu Wen and Hui et al take blood sampling to measure blood glucose quickly for 90 patients who are prescribed to monitor peripheral rapid blood glucose by ICU (intensive care unit) doctors, and as a result, it is found that blood glucose values measured at the finger, toe and earlobe parts have no obvious statistical difference from blood glucose values of venous plasma, and therefore, when the finger of a patient cannot be used as a blood sampling part, the peripheral blood glucose can be measured by blood sampling from the toe and earlobe.
However, in the prior art, the non-invasive blood sugar detection technology is still used for detecting the blood sugar between the fingers of the patient in actual use, so that the patient is not convenient to carry out inter-finger blood sugar monitoring in many cases, and the ear lobe is not convenient to fix on the ear of the patient for the non-invasive blood sugar monitoring, so that all-weather real-time monitoring is difficult to carry out.
Disclosure of Invention
The present invention is directed to a noninvasive glucose meter and a method for detecting blood glucose, which solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: including the first ear clamp that is located ear back of the body position and the second ear clamp that is located ear point position, the one end fixedly connected with sleeve pipe of first ear clamp, the fixed surface of the corresponding sleeve pipe position of first ear clamp is connected with the piston cylinder, the inner wall swing joint of piston cylinder has the piston, the fixed piston rod that is equipped with of one end that first ear clamp position was kept away from to the piston, the surface of piston rod and the lateral wall threaded connection of piston cylinder, and the piston rod activity runs through and extends to the one end that first ear clamp position was kept away from to the piston cylinder, the one end fixedly connected with that piston cylinder position was kept away from to the piston rod turns round the piece, first through-hole has been seted up on the surface of the corresponding sleeve pipe position of first ear clamp, and the inside of first through-hole is linked together with piston cylinder and sheathed tube respectively, the one end bottom fixedly connected with spectrum receiver plate of the corresponding second ear clamp position of first ear clamp, the one end of the corresponding first ear clamp position of second ear clamp is fixedly connected with and human ear auricle position respectively The corresponding first silica gel gasbag, with the second silica gel gasbag, communicating pipe and ripple gasbag that the human ear conch boat position corresponds, the ripple gasbag keeps away from the one end fixedly connected with light source of second ear clip position, the one end fixedly connected with of the corresponding sleeve pipe position of second ear clip and sleeve pipe grafting complex intubate, the one end of the corresponding first silica gel gasbag inside and the second silica gel gasbag inside of second ear clip is equallyd divide and is seted up the second through-hole respectively, the one end fixedly connected with spacing seat of the corresponding piston rod position of piston, spacing seat is interior hollow structure, and the piston rod activity runs through and extends to the inside of spacing seat, the one end fixedly connected with stopper of the corresponding spacing seat position of piston rod, the stopper rotates to be connected at the inner wall of spacing seat, the fixed run through of second silica gel gasbag extends to the outside of first silica gel gasbag, the position of first silica gel gasbag is corresponding with people's ear external auricle position, the position and the cymba concha position of second silica gel gasbag are corresponding, the elasticity performance that the corresponding second ear of first silica gel gasbag put one end in the center of the second ear clip is greater than the elasticity performance that second ear clip center put one end was kept away from to first silica gel gasbag, the size of second silica gel gasbag is less than people's ear cymba concha inner space size.
Preferably, the inner wall of the first ear clip is fixedly connected with a silica gel pad, and the spectrum receiving plate movably penetrates through and extends to two ends of the silica gel pad.
Preferably, the inner part of the communicating pipe is respectively communicated with the inner parts of the first silica gel air bag and the corrugated air bag, and the position of the light source corresponds to the inner wall of the spectrum receiving plate.
Preferably, the quantity of sleeve pipe and intubate is two, the diameter of intubate and sheathed tube internal diameter looks adaptation, two the inside of second through-hole is linked together with the inside of first silica gel gasbag and second silica gel gasbag respectively, and the inside of two second through-holes is linked together with the inside of two intubate respectively.
Preferably, the fixed surface that the corresponding piston cylinder position of second ear clamp was put is connected with the dead lever, the one end fixedly connected with snap ring that the second ear clamp position was kept away from to the dead lever, respectively fixedly connected with dop is equallyd divide at the both ends of snap ring, the radian of snap ring and the radian looks adaptation on piston cylinder surface, and the snap ring is the elastic material component.
Preferably, a plug port is fixedly connected to the middle of the surface of the first ear clip, a switch is arranged at one end, away from the position of the first ear clip, of the plug port, a control circuit board is fixedly embedded in the side wall of the position, corresponding to the plug port, of the first ear clip, and a plug is fixedly connected to one end, corresponding to the position of the plug port, of the second ear clip.
Preferably, the fixed rope of top fixedly connected with of first ear clip, the top fixedly connected with fixed disk of fixed rope, the surperficial swing joint of fixed disk has the elastic webbing, the elastic webbing activity is cup jointed at the people's head, and the elastic webbing is inside hollow structure, the mounting hole has been seted up to the front side end of the corresponding fixed disk position of elastic webbing, the internal diameter of mounting hole is less than the diameter of fixed disk, and fixed rope swing joint is at the inner wall of mounting hole, a plurality of lugs of front side end fixedly connected with of fixed disk, the inner wall fixedly connected with elastic rope of elastic webbing, and the elastic rope is located between the lug.
The invention also provides a blood sugar detection method of the noninvasive glucometer, and the preferable method comprises the following steps:
s1: inserting the fixed disk into the elastic band from the mounting hole, flatly laying the fixed disk on the inner wall of the elastic band, and adjusting the angle of the fixed disk until the elastic rope is clamped between the convex blocks;
s2: sleeving the elastic band in the step S1 on the head of the user and corresponding the position of the first ear clip to the position of the ear of the user;
s3: placing the first ear clip on the back of the ear of the user, and placing the ear of the user on the inner wall of the first ear clip until the ear is attached to the silica gel pad;
s4: inserting a second silica gel air bag on a second ear clip into the cymba concha of the user, and enabling the position of the first silica gel air bag to correspond to the position of the auricle;
s5: inserting the cannula on the second ear clip in the step S4 into the inner wall of the sleeve on the first ear clip in the step S3, inserting the plug into the insertion port, and clamping the snap ring on the surface of the piston cylinder to complete the assembly between the first ear clip and the second ear clip;
s6: the piston rod is matched with the limiting block through the limiting seat to drive the piston to move towards one end of the first ear clip, and air in the piston cylinder enters the second silica gel air bag through the first through hole, the sleeve, the cannula and the second through hole by the piston, so that the second silica gel air bag expands and is tightly attached to the skin of a user's concha boat, and the positions of the second ear clip and the first silica gel air bag are positioned;
s7: the twisting block positioned at the bottom is rotated, so that air in the piston cylinder is extruded into the first silica gel air bag by the piston through the first through hole, the sleeve, the insertion tube and the second through hole, the air in the piston cylinder is uniformly distributed into the first silica gel air bag and the corrugated air bag through the matching of the first silica gel air bag with the communicating tube and the corrugated air bag, when the first silica gel air bag expands, the edge of the first silica gel air bag can tightly fix the position of the external ear pinna of a user between the first ear clip and the second ear clip, and the corrugated air bag expands to drive the light source to approach the spectrum receiving plate to fix the earlobe of the user between the light source and the spectrum receiving plate;
s8: after the step S7 is finished, the torsion block positioned at the top is rotated reversely, and the second silica gel air bag is slightly shrunk, so that the position discomfort of the cymba concha of the user is reduced;
s9: and opening the switch, electrifying the plug, the control circuit board, the light source and the spectrum receiving board, transmitting infrared rays by the light source to penetrate through the ear lobe of the user, measuring the infrared rays penetrating through the ear lobe of the user by the spectrum receiving board by the control circuit board, deducing the blood glucose concentration of the user, and finishing the detection of the blood glucose concentration.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, air in the piston cylinder enters the second silica gel air bag through the first through hole, the sleeve, the cannula and the second through hole by the piston positioned at the top, and the second silica gel air bag is expanded and is tightly attached to the skin of the cymba concha of a user, so that the positions of the second ear clip and the first silica gel air bag are positioned, and then the air in the piston cylinder at the bottom is extruded into the first silica gel air bag, so that the position of the external auricle of the user is tightly fixed between the first ear clip and the second ear clip by the edge of the first silica gel air bag, and the purpose of conveniently fixing the ear of the user is realized;
2. when the first ear clip and the second ear clip are assembled, the piston cylinder extrudes the clamping heads at the same time, the distance between the two clamping heads corresponding to the piston cylinder is increased until the piston cylinder is positioned on the inner wall of the clamping ring, and at the same time, the piston cylinder is not easy to separate from the inner wall of the silica gel pad under the elastic action of the clamping ring, so that the stability of the assembly between the first ear clip and the second ear clip is high;
3. the first ear clip and the second ear clip are assembled, the plug is inserted into the insertion port, the switch is turned on, and the electronic element in the second ear clip is electrified, so that the device can normally operate during assembly;
4. the fixing disc is inserted into the elastic belt from the mounting hole, the fixing disc is flatly laid on the inner wall of the elastic belt, the fixing disc is not prone to being separated from the inner wall of the elastic belt through the mounting hole, the angle of the fixing disc is adjusted, the elastic rope is located between the convex blocks and clamped between the convex blocks, the fixing disc can be fixed on the inner wall of the elastic belt, and then the elastic belt is sleeved on the head of a user, so that the device is convenient to fix on the head of the patient and carry, and blood sugar monitoring can be carried out for a long time.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a noninvasive glucose meter and a method for detecting blood glucose in accordance with the present invention;
FIG. 2 is a front view of the overall structure of a noninvasive glucose meter and a method for detecting blood glucose in accordance with the present invention;
FIG. 3 is a front view of a first ear clip structure of a noninvasive glucose meter and a method for detecting blood glucose in accordance with the present invention;
FIG. 4 is an enlarged view of the structure A in FIG. 3 illustrating a non-invasive blood glucose meter and a method for measuring blood glucose in accordance with the present invention;
FIG. 5 is a front view of a second ear clip structure of the noninvasive glucometer and the blood sugar testing method of the present invention;
FIG. 6 is a front sectional view of a first silica gel air bag structure of a noninvasive glucose meter and a blood glucose measuring method according to the present invention;
FIG. 7 is a partial cross-sectional view of the elastic band structure of the noninvasive blood glucose meter and blood glucose testing method of the present invention;
FIG. 8 is a front view of a fixing plate structure of the noninvasive glucometer and the blood sugar detecting method of the present invention;
fig. 9 is a view showing the structure of a human ear.
In the figure: 100. a first ear clip; 101. a sleeve; 102. a piston cylinder; 103. a piston; 104. a limiting seat; 105. a piston rod; 106. a limiting block; 107. twisting the block; 108. a first through hole; 109. a silica gel pad; 110. a spectrum receiving plate; 200. a second ear clip; 201. a first silica gel air bag; 202. a second silica gel air bag; 203. a communicating pipe; 204. a corrugated air bag; 205. a light source; 206. inserting a tube; 207. a second through hole; 208. fixing the rod; 209. a snap ring; 210. clamping a head; 300. fixing a rope; 301. fixing the disc; 302. an elastic band; 303. mounting holes; 304. a bump; 305. an elastic cord; 400. an interface; 401. a switch; 402. a plug; 403. and a control circuit board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: the ear clip comprises a first ear clip 100 and a second ear clip 200, wherein a sleeve 101 is fixedly arranged at one end of the first ear clip 100, a piston cylinder 102 is fixedly arranged on the surface of the first ear clip 100 corresponding to the position of the sleeve 101, a piston 103 is movably connected to the inner wall of the piston cylinder 102, a piston rod 105 is fixedly arranged at one end of the piston 103 far away from the position of the first ear clip 100, the surface of the piston rod 105 is in threaded connection with the side wall of the piston cylinder 102, the piston rod 105 movably penetrates through and extends to one end of the piston cylinder 102 far away from the position of the first ear clip 100, a torsion block 107 is fixedly arranged at one end of the piston rod 105 far away from the position of the piston cylinder 102, a first through hole 108 is formed in the surface of the first ear clip 100 corresponding to the position of the sleeve 101, the inside of the first through hole 108 is respectively communicated with the insides of the piston cylinder 102 and the sleeve 101, a spectrum receiving plate 110 is fixedly arranged at the bottom of one end of the first ear clip 100 corresponding to the position of the second ear clip 200, a first silica gel air bag 201, a second ear clip 100 and a second ear clip, The ear clip comprises a second silica gel air bag 202, a communicating pipe 203 and a corrugated air bag 204, wherein a light source 205 is fixedly mounted at one end of the corrugated air bag 204 far away from the second ear clip 200, a cannula 206 is fixedly mounted at one end of the second ear clip 200 corresponding to the position of the sleeve 101, and second through holes 207 are respectively formed at one ends of the second ear clip 200 corresponding to the inside of the first silica gel air bag 201 and the inside of the second silica gel air bag 202.
The one end fixed mounting that the piston 103 corresponds the piston rod 105 position has spacing seat 104, and spacing seat 104 is inside hollow structure, and the piston rod 105 activity runs through and extends to the inside of spacing seat 104, and the one end fixed mounting that the piston rod 105 corresponds spacing seat 104 position has stopper 106, and stopper 106 rotates the inner wall of connecting at spacing seat 104.
The fixed outside that runs through and extend to first silica gel gasbag 201 of second silica gel gasbag 202, the position and the human ear auricle position of first silica gel gasbag 201 are corresponding, the position and the cymba concha position of second silica gel gasbag 202 are corresponding, the elastic property of the corresponding second ear clip 200 central point of first silica gel gasbag 201 puts one end is greater than the elastic property that second ear clip 200 central point put one end was kept away from to first silica gel gasbag 201, the size of second silica gel gasbag 202 is less than human ear cymba concha inner space size.
The inner wall of the first ear clip 100 is fixedly mounted with a silicone pad 109, and the spectrum receiving plate 110 movably penetrates and extends to two ends of the silicone pad 109.
The inside of the communication pipe 203 communicates with the inside of the first silicone bladder 201 and the corrugated bladder 204, respectively, and the position of the light source 205 corresponds to the inner wall of the spectrum-receiving plate 110.
The number of the sleeve 101 and the number of the insertion tubes 206 are two, the diameter of the insertion tube 206 is matched with the inner diameter of the sleeve 101, the interiors of the two second through holes 207 are respectively communicated with the interiors of the first silica gel air bag 201 and the second silica gel air bag 202, and the interiors of the two second through holes 207 are respectively communicated with the interiors of the two insertion tubes 206.
The fixed surface that the corresponding piston cylinder 102 position of second ear clip 200 has dead lever 208, the one end fixed mounting that dead lever 208 kept away from the second ear clip 200 position has snap ring 209, respectively fixed mounting has dop 210 equally divided at the both ends of snap ring 209, the radian of snap ring 209 and the radian on piston cylinder 102 surface looks adaptation, and snap ring 209 is the elastic material component, when assembling through first ear clip 100 and second ear clip 200, piston cylinder 102 extrudes dop 210 this moment, and make the distance between two dops 210 corresponding with piston cylinder 102 grow, until piston cylinder 102 is located the inner wall of snap ring 209, at this moment under the elastic effect of snap ring 209, make piston cylinder 102 difficult to break away from the inner wall of silica gel pad 109, thereby make the stability of equipment higher between first ear clip 100 and the second ear clip 200.
The middle part of the surface of the first ear clip 100 is fixedly provided with a plug interface 400, one end of the plug interface 400 far away from the position of the first ear clip 100 is provided with a switch 401, the inside of the side wall of the position of the first ear clip 100 corresponding to the plug interface 400 is fixedly embedded with a control circuit board 403, one end of the second ear clip 200 corresponding to the position of the plug interface 400 is fixedly provided with a plug 402, the first ear clip 100 and the second ear clip 200 are assembled, at the moment, the plug 402 is plugged in the plug interface 400, the switch 401 is opened at the moment, and an internal electronic element in the second ear clip 200 is electrified, so that the device can normally operate during assembly.
The top of the first ear clip 100 is fixedly provided with a fixed rope 300, the top of the fixed rope 300 is fixedly provided with a fixed disc 301, the surface of the fixed disc 301 is movably connected with an elastic band 302, the elastic band 302 is movably sleeved on the head of a person, the elastic band 302 is of an internal hollow structure, the front side end of the elastic band 302 corresponding to the position of the fixed disc 301 is provided with a mounting hole 303, the inner diameter of the mounting hole 303 is smaller than the diameter of the fixed disc 301, the fixed rope 300 is movably connected with the inner wall of the mounting hole 303, the front side end of the fixed disc 301 is fixedly provided with a plurality of convex blocks 304, the inner wall of the elastic band 302 is fixedly provided with an elastic rope 305, the elastic rope 305 is positioned between the convex blocks 304, the fixed disc 301 is firstly plugged into the elastic band 302 from the position of the mounting hole 303, the fixed disc 301 is flatly laid on the inner wall of the elastic band 302, at the moment, the fixed disc 301 is not easy to separate from the inner wall of the elastic band 302 through the mounting hole 303, and the angle of the fixed disc 301 is adjusted, and the elastic rope 305 is positioned between the convex blocks 304 and clamped between the convex blocks 304, at the moment, the fixed disc 301 can be fixed on the inner wall of the elastic belt 302, and then the elastic belt 302 is sleeved on the head of a user, so that the device is convenient to fix on the head of a patient and carry, and the blood glucose monitoring can be carried for a long time.
The invention also provides a blood sugar detection method of the noninvasive glucometer, which comprises the following steps:
s1: inserting the fixed disk 301 into the elastic band 302 from the position of the mounting hole 303, flatly laying the fixed disk 301 on the inner wall of the elastic band 302, and adjusting the angle of the fixed disk 301 until the elastic rope 305 is clamped between the convex blocks 304;
s2: fitting the elastic band 302 of step S1 on the head of the user and corresponding the position of the first ear clip 100 to the position of the ear of the user;
s3: placing the first ear clip 100 on the back of the ear of the user, and placing the ear of the user on the inner wall of the first ear clip 100 until the ear is attached to the silicone pad 109;
s4: inserting the second silicone bladder 202 of the second ear clip 200 into the cymba concha of the user, and corresponding the position of the first silicone bladder 201 to the position of the auricle;
s5: inserting the cannula 206 of the second ear clip 200 of step S4 into the inner wall of the sleeve 101 of the first ear clip 100 of step S3, with the plug 402 inserted into the socket 400 and the snap ring 209 clamped on the surface of the piston cylinder 102, thereby completing the assembly between the first ear clip 100 and the second ear clip 200;
s6: the twisting block 107 at the top is rotated, the twisting block 107 drives the piston rod 105 to be in threaded connection with the side wall of the piston cylinder 102, so that the piston rod 105 is matched with the limiting block 106 through the limiting seat 104 to drive the piston 103 to move towards one end of the first ear clip 100, and the piston 103 enables air in the piston cylinder 102 to enter the second silica gel air bag 202 through the first through hole 108, the sleeve 101, the cannula 206 and the second through hole 207, and enables the second silica gel air bag 202 to expand and be tightly attached to the skin of the cymba concha of a user, so that the positions of the second ear clip 200 and the first silica gel air bag 201 are positioned;
s7: the knob 107 at the bottom is rotated, so that the air inside the piston cylinder 102 is pressed into the first silica gel air bag 201 by the piston 103 through the first through hole 108, the sleeve 101, the insertion tube 206 and the second through hole 207, the air inside the piston cylinder 102 is uniformly distributed into the first silica gel air bag 201 and the corrugated air bag 204 through the cooperation of the first silica gel air bag 201 with the communication tube 203 and the corrugated air bag 204, when the first silica gel air bag 201 expands, the edge of the first silica gel air bag 201 can tightly fix the position of the auricle of the user between the first ear clip 100 and the second ear clip 200, and the expansion of the corrugated air bag 204 can drive the light source 205 to approach the spectrum receiving plate 110 to fix the earlobe of the user between the light source 205 and the spectrum receiving plate 110;
s8: after the step S7 is completed, the knob 107 at the top is rotated in the reverse direction, and the second silicone bladder 202 is slightly deflated, so that the discomfort of the user in the position of the cymba concha is reduced;
s9: the switch 401 is turned on, and the plug 402, the control circuit board 403, the light source 205 and the spectrum receiving board 110 are powered on, the light source 205 emits infrared rays to penetrate through the ear lobe of the user, the control circuit board 403 measures the infrared rays which penetrate through the ear lobe of the user and are received by the spectrum receiving board 110, the blood glucose concentration of the user is deduced, and the detection of the blood glucose concentration is completed.
The working principle is as follows: when in use, the first ear clip 100 is placed on the back of the user's ear, the second silicone bladder 202 on the second ear clip 200 is inserted into the cymba concha of the user, the position of the first silicone bladder 201 corresponds to the position of the auricle, the cannula 206 is inserted into the inner wall of the sleeve 101, the assembly between the first ear clip 100 and the second ear clip 200 is completed, the knob 107 at the top is rotated, the knob 107 drives the piston rod 105 to be in threaded connection with the side wall of the piston cylinder 102, the piston rod 105 is matched with the stopper 106 through the stopper 104 to drive the piston 103 to move towards one end of the first ear clip 100, the piston 103 enables the air in the piston cylinder 102 to enter the second silicone bladder 202 through the first through hole 108, the sleeve 101, the cannula 206 and the second through hole 207, and the second silicone bladder 202 expands and is tightly attached to the skin of the cymba concha, thereby positioning the positions of the second ear clip 200 and the first silicone air bag 201, then rotating the twisting block 107 at the bottom, so that the air in the bottom piston cylinder 102 is extruded into the first silicone air bag 201 by the piston 103 through the first through hole 108, the sleeve 101, the cannula 206 and the second through hole 207, and the air in the piston cylinder 102 is evenly distributed into the first silicone air bag 201 and the corrugated air bag 204 through the first silicone air bag 201 matching with the communicating tube 203 and the corrugated air bag 204, because the elastic property of the end of the first silicone air bag 201 corresponding to the center position of the second ear clip 200 is larger than that of the end of the first silicone air bag 201 far away from the center position of the second ear clip 200, when the first silicone air bag 201 expands, the edge of the first silicone air bag 201 can tightly fix the position of the auricle of the user between the first ear clip 100 and the second ear clip 200, therefore, the first ear clip 100 and the second ear clip 200 can stably fix the ears of the user between the two, the expansion of the corrugated airbag 204 can drive the light source 205 to approach the spectrum receiving plate 110, and fix the earlobe between the spectrum receiving plate 110 and the light source 205, the expansion of the corrugated airbag 204 can drive the light source 205 to approach the spectrum receiving plate 110, so that the light of the light source 205 can well penetrate the earlobe of the user, the penetrated light is received by the spectrum receiving plate 110, the measurement accuracy can be improved, at this time, the knob block 107 positioned at the top is rotated in the reverse direction, the second silica gel airbag 202 is slightly reduced, the discomfort of the position of the cymba concha of the user is reduced, the operation is simple, the discomfort of the user is not brought when the cymba is used, and the purpose of being convenient to fix the ears of the user is realized, during measurement, the switch 401 is turned on, so that the electronic element inside the first ear clip 100 and the electronic element inside the second ear clip 200 are both powered on, at this time, the light source 205 emits infrared rays and penetrates through the earlobe of a user, the near infrared spectrum has a waveband range of 750-2500 nm based on human blood glucose analysis, the longer the wavelength is, the shallower the detectable depth is, the tissue depth of the near infrared light is 1-100 mm, in the near infrared detection, one part of the near infrared light irradiating on a certain part of a human body can penetrate through the tissue, the other part is reflected by the tissue of the human body, the absorption coefficient of bones, muscles, fat, skin, body fluid and the like of the human body in the near infrared spectrum region is small, the light in the near infrared spectrum region easily penetrates through the body surface of the human body, so that a strong absorption signal rich in the tissue is obtained, glucose is a main component of blood glucose, and-OH contained in glucose molecules, The absorption and reflection of energy of a plurality of near infrared wavelengths are generally measured by a multi-component analysis technique, since glucose and other in vivo components absorb and reflect a small part of each wavelength and the absorption and reflection intensities of various chemical components in a certain wavelength band are different, the blood glucose concentration can be detected by measuring and calibrating the spectral absorption and reflection values of each wavelength, and the control circuit board 403 measures the infrared rays penetrating through the ear lobe of the user and receiving the blood glucose concentration of the user by the spectrum receiving board 110 and deducing the blood glucose concentration of the user.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The noninvasive glucometer is characterized in that: the ear clip comprises a first ear clip (100) located at the position of the back of an ear and a second ear clip (200) located at the position of the tip of the ear, wherein a sleeve (101) is fixedly connected to one end of the first ear clip (100), a piston cylinder (102) is fixedly connected to the surface of the first ear clip (100) corresponding to the position of the sleeve (101), a piston (103) is movably connected to the inner wall of the piston cylinder (102), a piston rod (105) is fixedly arranged at one end, far away from the position of the first ear clip (100), of the piston (103), the surface of the piston rod (105) is in threaded connection with the side wall of the piston cylinder (102), the piston rod (105) movably penetrates through and extends to one end, far away from the position of the first ear clip (100), of the piston rod (105) is fixedly connected with a torsion block (107) at one end, far away from the position of the piston cylinder (102), and a first through hole (108) is formed in the surface of the first ear clip (100) corresponding to the position of the sleeve (101), and the inside of first through-hole (108) is linked together with the inside of piston cylinder (102) and sleeve pipe (101) respectively, the one end bottom fixedly connected with spectrum dash receiver (110) of the corresponding second ear clip (200) position of first ear clip (100) of second ear clip (200) respectively fixedly connected with correspond with people's ear auricle position first silica gel gasbag (201), with the corresponding second silica gel gasbag (202), communicating pipe (203) and ripple gasbag (204) of people's ear conch position, the one end fixedly connected with light source (205) of second ear clip (200) position are kept away from in ripple gasbag (204), the one end fixedly connected with of the corresponding sleeve pipe (101) position of second ear clip (200) is pegged graft complex intubate (206) with sleeve pipe (101), the one end of the corresponding first silica gel gasbag (201) of second ear clip (200) and the inside one end of second silica gel gasbag (202) is equallyd (205) and is seted up (205) respectively 207) The ear clip is characterized in that one end of the piston (103) corresponding to the position of the piston rod (105) is fixedly connected with a limiting seat (104), the limiting seat (104) is of an internal hollow structure, the piston rod (105) movably penetrates through and extends to the inside of the limiting seat (104), one end of the piston rod (105) corresponding to the position of the limiting seat (104) is fixedly connected with a limiting block (106), the limiting block (106) is rotatably connected with the inner wall of the limiting seat (104), the second silica gel air bag (202) is fixedly penetrated through and extends to the outside of the first silica gel air bag (201), the position of the first silica gel air bag (201) corresponds to the position of the auricle of the human ear, the position of the second silica gel air bag (202) corresponds to the position of the concha, the elastic performance of one end of the first silica gel air bag (201) corresponding to the center position of the second ear clip (200) is greater than the elastic performance of one end of the first silica gel air bag (201) far away from the center position of the second ear clip (200), the size of the second silica gel air bag (202) is smaller than the size of the inner space of the human ear concha boat.
2. The non-invasive glucometer according to claim 1, characterized in that: the inner wall of the first ear clip (100) is fixedly connected with a silica gel pad (109), and the spectrum receiving plate (110) movably penetrates through and extends to two ends of the silica gel pad (109).
3. The non-invasive glucometer according to claim 1, characterized in that: the inner part of the communicating pipe (203) is respectively communicated with the inner parts of the first silica gel air bag (201) and the corrugated air bag (204), and the position of the light source (205) corresponds to the inner wall of the spectrum receiving plate (110).
4. The non-invasive glucometer according to claim 1, characterized in that: the quantity of sleeve pipe (101) and intubate (206) is two, the diameter of intubate (206) and the internal diameter looks adaptation of sleeve pipe (101), two the inside of second through-hole (207) is linked together with the inside of first silica gel gasbag (201) and second silica gel gasbag (202) respectively, and the inside of two second through-holes (207) is linked together with the inside of two intubate (206) respectively.
5. The non-invasive glucometer according to claim 1, characterized in that: the surperficial fixedly connected with dead lever (208) of the corresponding piston cylinder (102) position of second ear clamp (200), one end fixedly connected with snap ring (209) of second ear clamp (200) position are kept away from in dead lever (208), respectively fixedly connected with dop (210) are equallyd divide at the both ends of snap ring (209), the radian of snap ring (209) and the radian looks adaptation on piston cylinder (102) surface, and snap ring (209) are the elastic material component.
6. The non-invasive glucometer according to claim 1, characterized in that: the middle part fixedly connected with interface (400) on first ear clip (100) surface, the one end that first ear clip (100) position was kept away from in interface (400) is equipped with switch (401), the inside fixed embedding of lateral wall of the corresponding interface (400) position of first ear clip (100) has control circuit board (403), the one end fixedly connected with plug (402) of the corresponding interface (400) position of second ear clip (200).
7. The non-invasive glucometer according to claim 1, characterized in that: the top fixedly connected with fixed rope (300) of first ear clip (100), the top fixedly connected with fixed disk (301) of fixed rope (300), the surface swing joint of fixed disk (301) has elastic webbing (302), elastic webbing (302) activity cup joints at the people's head, and elastic webbing (302) are inside hollow structure, mounting hole (303) have been seted up to the preceding side of the corresponding fixed disk (301) position of elastic webbing (302), the internal diameter of mounting hole (303) is less than the diameter of fixed disk (301), and fixed rope (300) swing joint is at the inner wall of mounting hole (303), a plurality of lugs (304) of preceding side fixedly connected with of fixed disk (301), the inner wall fixedly connected with elastic rope (305) of elastic webbing (302), and elastic rope (305) are located between lug (304).
8. The non-invasive glucometer according to claim 1, characterized in that: the inner wall of the first ear clip (100) is fixedly connected with a silica gel pad (109), and the spectrum receiving plate (110) movably penetrates through and extends to two ends of the silica gel pad (109);
the inner part of the communicating pipe (203) is respectively communicated with the inner parts of the first silica gel air bag (201) and the corrugated air bag (204), and the position of the light source (205) corresponds to the inner wall of the spectrum receiving plate (110);
the number of the sleeve (101) and the number of the insertion tubes (206) are two, the diameter of each insertion tube (206) is matched with the inner diameter of the sleeve (101), the interiors of the two second through holes (207) are respectively communicated with the interiors of the first silica gel air bag (201) and the second silica gel air bag (202), and the interiors of the two second through holes (207) are respectively communicated with the interiors of the two insertion tubes (206);
the surface of the second ear clip (200) corresponding to the position of the piston cylinder (102) is fixedly connected with a fixing rod (208), one end of the fixing rod (208) far away from the position of the second ear clip (200) is fixedly connected with a clamping ring (209), two ends of the clamping ring (209) are respectively and fixedly connected with clamping heads (210), the radian of the clamping ring (209) is matched with the radian of the surface of the piston cylinder (102), and the clamping ring (209) is an elastic material component;
the middle part of the surface of the first ear clip (100) is fixedly connected with a plug interface (400), one end, far away from the first ear clip (100), of the plug interface (400) is provided with a switch (401), a control circuit board (403) is fixedly embedded in the side wall of the first ear clip (100) corresponding to the plug interface (400), and one end, corresponding to the plug interface (400), of the second ear clip (200) is fixedly connected with a plug (402);
the top of the first ear clip (100) is fixedly connected with a fixing rope (300), the top of the fixing rope (300) is fixedly connected with a fixing disc (301), the surface of the fixing disc (301) is movably connected with an elastic band (302), the elastic band (302) is movably sleeved on the head of a person, the elastic band (302) is of an internal hollow structure, a mounting hole (303) is formed in the front side end of the elastic band (302) corresponding to the position of the fixing disc (301), the inner diameter of the mounting hole (303) is smaller than the diameter of the fixing disc (301), the fixing rope (300) is movably connected to the inner wall of the mounting hole (303), the front side end of the fixing disc (301) is fixedly connected with a plurality of convex blocks (304), the inner wall of the elastic band (302) is fixedly connected with an elastic rope (305), and the elastic rope (305) is located between the convex blocks (304);
a blood glucose monitoring method of a noninvasive glucometer comprises the following steps:
s1: inserting the fixed disk (301) into the elastic band (302) from the position of the mounting hole (303), flatly laying the fixed disk (301) on the inner wall of the elastic band (302), and adjusting the angle of the fixed disk (301) until the elastic rope (305) is clamped between the bumps (304);
s2: the elastic band (302) in the step S1 is sleeved on the head of the user and the position of the first ear clip (100) corresponds to the position of the ear of the user;
s3: placing the first ear clip (100) on the back of the ear of the user, and placing the ear of the user on the inner wall of the first ear clip (100) until the ear is attached to the silica gel pad (109);
s4: inserting a second silica gel air bag (202) on a second ear clip (200) into the cymba concha of the user, and corresponding the position of a first silica gel air bag (201) to the position of the auricle;
s5: inserting the insertion tube (206) on the second ear clip (200) in the step S4 into the inner wall of the sleeve (101) on the first ear clip (100) in the step S3, simultaneously inserting the plug (402) into the insertion port (400), and clamping the clamping ring (209) on the surface of the piston cylinder (102), thereby completing the assembly between the first ear clip (100) and the second ear clip (200);
s6: the torsion block (107) positioned at the top is rotated, the torsion block (107) drives the piston rod (105) to be in threaded connection with the side wall of the piston cylinder (102), so that the piston rod (105) is matched with the limiting block (106) through the limiting seat (104) to drive the piston (103) to move towards one end of the first ear clip (100), and the piston (103) enables air in the piston cylinder (102) to enter the second silica gel air bag (202) through the first through hole (108), the sleeve (101), the cannula (206) and the second through hole (207), and the second silica gel air bag (202) is expanded and tightly attached to the skin of the cymba concha of a user, so that the positions of the second ear clip (200) and the first silica gel air bag (201) are positioned;
s7: the twisting block (107) at the bottom is rotated, so that the air in the piston cylinder (102) is extruded into the first silica gel air bag (201) by the piston (103) through the first through hole (108), the sleeve (101), the cannula (206) and the second through hole (207), the first silica gel air bag (201) is matched with the communicating pipe (203) and the corrugated air bag (204), so that the air in the piston cylinder (102) is evenly distributed into the first silica gel air bag (201) and the corrugated air bag (204), when the first silica gel air bag (201) is expanded, the edge of the first silica gel air bag (201) can tightly fix the position of the auricle of the user between the first ear clip (100) and the second ear clip (200), and the expansion of the corrugated air bag (204) can drive the light source (205) to approach the spectrum receiving plate (110) to fix the earlobe of the user between the light source (205) and the spectrum receiving plate (110);
s8: after the step S7 is finished, the knob block (107) at the top is rotated reversely, and the second silica gel air bag (202) is slightly shrunk, so that the position discomfort of the cymba concha of the user is reduced;
s9: and opening the switch (401), electrifying the plug (402), the control circuit board (403), the light source (205) and the spectrum receiving board (110), transmitting infrared rays by the light source (205) to penetrate through the ear lobe of the user, measuring the infrared rays penetrating through the ear lobe of the user by the spectrum receiving board (110) by the control circuit board (403), deducing the blood sugar concentration of the user, and finishing the detection of the blood sugar concentration.
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