CN114041787A - Noninvasive blood glucose monitoring device and wearable noninvasive blood glucose meter - Google Patents
Noninvasive blood glucose monitoring device and wearable noninvasive blood glucose meter Download PDFInfo
- Publication number
- CN114041787A CN114041787A CN202111157247.0A CN202111157247A CN114041787A CN 114041787 A CN114041787 A CN 114041787A CN 202111157247 A CN202111157247 A CN 202111157247A CN 114041787 A CN114041787 A CN 114041787A
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- suction nozzle
- negative pressure
- blood glucose
- monitoring device
- glucose monitoring
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- 239000008280 blood Substances 0.000 title claims abstract description 43
- 210000004369 blood Anatomy 0.000 title claims abstract description 43
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 title claims abstract description 35
- 239000008103 glucose Substances 0.000 title claims abstract description 35
- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 210000001124 body fluid Anatomy 0.000 claims abstract description 11
- 239000010839 body fluid Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 206010012601 diabetes mellitus Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000221035 Santalaceae Species 0.000 description 1
- 235000008632 Santalum album Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010241 blood sampling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Classifications
-
- 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
-
- 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
- A61B5/14507—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 specially adapted for measuring characteristics of body fluids other than blood
-
- 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
- A61B5/6802—Sensor mounted on worn items
-
- 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
- A61B5/6831—Straps, bands or harnesses
Abstract
The invention discloses a noninvasive blood glucose monitoring device and a wearable noninvasive blood glucose meter, wherein the noninvasive blood glucose monitoring device comprises a suction nozzle for collecting body fluid, an electronic detection module which is arranged in the suction nozzle and used for detecting the blood glucose value of the body fluid, and a negative pressure pump for providing negative pressure for the suction nozzle; the suction nozzle is communicated with the negative pressure pump through an air duct; the negative pressure pump comprises a negative pressure stepping motor, a triangular rotor and a pump cavity; the triangular rotor is in driving connection with the negative pressure stepping motor through an eccentric shaft; the pump cavity consists of two chambers which are symmetrical left and right; the triangular rotor divides one chamber into a positive pressure area and a negative pressure area in the rotating process; the negative pressure area is communicated with the suction nozzle to provide negative pressure for the suction nozzle.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a noninvasive blood glucose monitoring device and a wearable noninvasive blood glucose meter.
Background
With the development of society, diabetes gradually becomes a big killer threatening human health. Blood glucose monitoring is an important task in the daily maintenance of diabetes.
The traditional blood sugar monitoring instrument punctures skin through a disposable blood taking needle, then drips blood into test paper, and detects through a certain detection device to obtain the blood sugar value at a certain moment.
Conventional blood glucose monitoring devices are as follows:
1. invasive blood collection increases the pain of patients and has blood infection risk;
2. the blood sugar value at a certain moment can not be monitored in real time, and the change rule of the blood sandalwood can not be observed conveniently;
3. it is inconvenient to carry.
Disclosure of Invention
The invention aims to provide a non-invasive blood glucose monitoring device aiming at the technical defects of the traditional blood glucose monitoring instrument.
Another object of the present invention is to provide a wearable noninvasive glucometer.
The technical scheme adopted for realizing the purpose of the invention is as follows:
a non-invasive blood glucose monitoring device comprises a suction nozzle for collecting body fluid, an electronic detection module arranged in the suction nozzle for detecting blood glucose value of the body fluid and a negative pressure pump for providing negative pressure for the suction nozzle; the suction nozzle is communicated with the negative pressure pump through an air duct;
the negative pressure pump comprises a negative pressure stepping motor, a triangular rotor and a pump cavity; the triangular rotor is in driving connection with the negative pressure stepping motor through an eccentric shaft; the pump cavity consists of two chambers which are symmetrical left and right; the triangular rotor divides one chamber into a positive pressure area and a negative pressure area in the rotating process; the negative pressure area is communicated with the suction nozzle to provide negative pressure for the suction nozzle.
In the above technical scheme, the suction nozzle includes the collection region of the bell mouth shape that contacts with skin, the detection zone that is used for holding electronic detection module and the joint district of being connected with the air duct.
In the technical scheme, the number of the suction nozzles is four, and each suction nozzle is internally provided with one electronic detection module.
In the above technical scheme, the four suction nozzles are selectively conducted with the negative pressure pump through a conduction selector.
In the above technical solution, the conduction selector includes an annular first body and a second body driven by the stepping motor to rotate; the first body is communicated with the four suction nozzles through four air duct branch pipes; the second body is an L-shaped bent pipe, and an upper opening of the second body is rotatably connected with the main pipe of the gas guide pipe; the lower opening of the second body is selectively communicated with a certain suction nozzle when rotating.
In another aspect of the present invention, the non-invasive blood glucose monitoring device is applied to a medical apparatus.
In another aspect of the invention, a wearable noninvasive blood glucose meter comprises a shell, an electronic screen, a wearable piece and the noninvasive blood glucose monitoring device.
In the technical scheme, the lower surface of the shell is provided with a groove for mounting the suction nozzle; an annular bulge is arranged on the inner wall of the groove; the outer wall of the suction nozzle is provided with a rubber ring; when the suction nozzle is inserted into the groove, the rubber ring is clamped with the annular bulge in a sealing mode.
In the technical scheme, the inner wall above the groove is provided with a circular pole piece; a thimble electrode is arranged above the suction nozzle; after the suction nozzle is inserted into the groove, the thimble electrode is electrically connected with the circular ring pole piece in a contact manner.
In the above technical solution, the wearing member is a strap; and a spiral spring is arranged in the shell, one end of the binding band is fixed on the shell, and the other end of the binding band is fixed on the spiral spring and is wound or unwound under the action of the spiral spring so as to adjust the exposed length of the binding band.
Compared with the prior art, the invention has the beneficial effects that:
1. the noninvasive blood glucose monitoring device provided by the invention adopts body fluid for detection, avoids the blood sampling process and reduces the pain of patients.
2. The noninvasive blood glucose monitoring device provided by the invention is provided with the plurality of suction nozzles, so that multiple blood glucose detections are realized, and the monitoring requirements are met.
3. The wearable noninvasive glucometer provided by the invention is convenient to wear and suitable for home care of patients.
Drawings
FIG. 1 is a schematic view of a wearable noninvasive glucometer;
FIG. 2 is a schematic view showing the distribution of four suction nozzles;
FIG. 3 is a schematic diagram of a conduction selector;
FIG. 4 is a schematic view of the structure of the negative pressure pump;
FIG. 5 is a schematic view of the structure of the negative pressure pump;
FIG. 6 is a schematic view of the nozzle;
FIG. 7 is a schematic mechanical view of the housing;
FIG. 8 is a schematic view of the nozzle and housing assembly;
in the figure: 1-suction nozzle, 1-1-collection zone, 1-2-detection zone, 1-3-connector zone, 2-electronic detection module, 3-negative pressure pump, 3-1-negative pressure stepping motor, 3-2-triangular rotor, 3-3-pump chamber, 3-4-eccentric shaft, 3-5-exhaust hole, 3-6-air inlet hole, 3-7-air inlet pipe, 4-air guide pipe, 4-1-air guide pipe branch pipe, 4-2-air guide pipe main pipe, 5-conduction selector, 5-1-first body, 5-2-second body, 6-stepping motor, 7-shell, 7-1-upper surface, 7-2-groove, 7-3-a first base, 7-4-a second base, 8-an electronic screen, 9-a binding band, 10-a spiral spring, 11-a rolling shaft, 12-a circular pole piece, 13-a spring base, 14-a thimble electrode, 15-a circular bulge and 16-a rubber ring,
a-positive pressure area, b-negative pressure area.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A noninvasive blood glucose monitoring device, as shown in figure 1, comprises a suction nozzle 1 which can be attached to the skin for collecting body fluid, an electronic detection module 2 which is arranged inside the suction nozzle 1 for detecting the blood glucose value of the body fluid, and a negative pressure pump 3 for providing negative pressure for the suction nozzle 1; the suction nozzle 1 is communicated with the negative pressure pump 3 through an air duct 4.
After the negative pressure pump 3 is started, negative pressure is provided for the suction nozzle 1, the suction nozzle 1 sucks body fluid on the surface of the skin under the action of the negative pressure, and after the electronic detection module 2 is immersed in the body fluid, the electronic detection module 2 outputs an electric signal to realize the detection of the blood sugar value. The whole detection process is non-invasive detection.
Specifically, the suction nozzle 1 comprises a bell-mouth-shaped collecting area 1-1 contacted with the skin, a detecting area 1-2 used for accommodating an electronic detecting module 2 and a joint area 1-3 connected with an air duct 4 as shown in fig. 6;
in order to meet the purpose of multiple tests of a patient, the number of the suction nozzles 1 is four in the present embodiment, and one electronic test module 2 is installed in each suction nozzle 1. Alternatively, the number of suction nozzles 1 may be appropriately adjusted according to the monitoring requirements.
As shown in fig. 2 and 3, the four suction nozzles 1 and the negative pressure pump 3 are selectively conducted through a conduction selector 5; the conduction selector 5 comprises a first annular body 5-1 and a second rotatable body 5-2; the annular side wall of the first body 5-1 is provided with four holes, each hole is communicated with one air duct branch pipe 4-1, and the first body 5-1 is communicated with four suction nozzles 1 through the four holes and the four air duct branch pipes 4-1; the second body 5-2 is an L-shaped bent pipe, and an upper opening of the second body 5-2 is rotatably connected with the main pipe 4-2 of the gas guide pipe through a roller 11; the lower opening of the second body 5-2 is in butt joint with one hole on the annular side wall of the first body 5-1 when rotating, so that the selective communication between the conduction selector 5 and one suction nozzle 1 is realized. The first body 5-1 and the second body 5-2 remain hermetically connected during rotation.
In order to realize the automatic switching of the four suction nozzles 1, the second body 5-2 is driven by a stepping motor 6. Driven by the stepping motor 6, the second body 5-2 rotates to a specific position, and the lower opening of the second body is communicated with the airway branch pipe 4-1 at the specific position. The whole driving process is controlled by the electronic control module.
Example 2
This embodiment is a description of the detailed structure of the negative pressure pump based on embodiment 1.
The negative pressure pump 3 is shown in fig. 4 and 5 and comprises a negative pressure stepping motor 3-1, a triangular rotor 3-2 and a pump cavity 3-3; the triangular rotor 3-2 is in driving connection with the negative pressure stepping motor 3-1 through an eccentric shaft 3-4; the pump cavity 3-3 consists of two chambers which are symmetrical left and right; the triangular rotor 3-2 divides one of the chambers into a positive pressure region a and a negative pressure region b during rotation. For example, when the negative pressure stepping motor outputs torque, the eccentric shaft 3-4 drives the triangular rotor 3-2 to rotate clockwise, so that positive pressure generated above the left chamber becomes a positive pressure area a, and negative pressure generated below the left chamber becomes a negative pressure area b.
The positive pressure area a is provided with exhaust holes 3-5; the negative pressure area b is provided with air inlet holes 3-6; the air inlet holes 3-6 are communicated with the air duct main pipe 4-2 through air inlet pipes 3-7.
Under the drive of the negative pressure stepping motor, the triangular rotor 3-2 rotates to divide one of the chambers into a positive pressure area a and a negative pressure area b. The negative pressure area b is communicated with the suction nozzle 1 sequentially through an air inlet 3-6, an air inlet pipe 3-7, an air guide pipe main pipe 4-2 and an air guide pipe branch pipe 4-1, and the suction nozzle 1 reaches a negative pressure state. When the detection is finished, the negative pressure stepping motor 3-1 rotates anticlockwise, the original positive pressure area a becomes negative pressure, and air is absorbed through the air exhaust hole 3-5; the negative pressure area b and the suction nozzle 1 communicated with the negative pressure area b restore the air pressure balance state.
Example 3
A wearable noninvasive blood glucose meter, as shown in fig. 1, comprising a housing 7, an electronic screen 8, a bandage 9 and a noninvasive blood glucose monitoring device as described in example 1 or 2; the non-invasive blood sugar monitoring device is arranged inside the shell 7, wherein the collecting area 1-1 of the suction nozzle 1 is positioned outside the shell 7; the electronic screen 8 is mounted on the outer surface of the housing 7.
The shell 7 is shown in fig. 7, and the upper surface 7-1 of the shell is a plane for mounting an electronic screen 8; the lower surface of the suction nozzle is provided with four grooves 7-2 for mounting the suction nozzle 1;
as shown in fig. 8, an annular protrusion 15 is provided on the inner wall of each of the grooves 7-2; a rubber ring 16 is arranged on the outer wall of the suction nozzle 1; when the suction nozzle is installed, the suction nozzle 1 is inserted into the groove 7-2, and the rubber ring 16 is in sealing clamping with the annular bulge 15. An annular pole piece 12 is arranged on the inner wall above each groove 7-2; two ejector pin electrodes 14 are arranged above the suction nozzle 1 through two spring bases 13. After the suction nozzle 1 is inserted into the groove 7-2, the thimble electrode 14 is in contact and electric connection with the circular ring pole piece 12, so as to be further in electric connection with the electronic screen 8 arranged on the shell, and the measurement result is displayed through the electronic screen 8. The spring base 13 provides an upward driving force to the thimble electrode 14 to ensure that the thimble electrode 14 is in close contact with the circular ring pole piece 12, so as to prevent virtual connection.
A first base 7-3 and a second base 7-4 are also arranged in the cavity of the shell 7; wherein the negative pressure stepping motor 3-1 is arranged on the first base 7-3; the stepping motor 6 is installed on the second base 7-4.
The casing 7 is internally provided with a spiral spring 10, one end of the binding band 9 is fixed on the casing 7, the other end of the binding band is fixed on the spiral spring 10, and the binding band is wound or unwound under the action of the spiral spring 10 so as to adjust the exposed length of the binding band 9 and facilitate wearing.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A noninvasive blood glucose monitoring device characterized in that: the device comprises a suction nozzle for collecting body fluid, an electronic detection module which is arranged in the suction nozzle and used for detecting the blood glucose value of the body fluid, and a negative pressure pump for providing negative pressure for the suction nozzle; the suction nozzle is communicated with the negative pressure pump through an air duct;
the negative pressure pump comprises a negative pressure stepping motor, a triangular rotor and a pump cavity; the triangular rotor is in driving connection with the negative pressure stepping motor through an eccentric shaft; the pump cavity consists of two chambers which are symmetrical left and right; the triangular rotor divides one chamber into a positive pressure area and a negative pressure area in the rotating process; the negative pressure area is communicated with the suction nozzle to provide negative pressure for the suction nozzle.
2. The non-invasive blood glucose monitoring device of claim 1, wherein: the suction nozzle comprises a horn-shaped collecting area in contact with the skin, a detecting area used for accommodating the electronic detecting module and a joint area connected with the air duct.
3. The non-invasive blood glucose monitoring device of claim 1, wherein: the number of the suction nozzles is four, and each suction nozzle is internally provided with an electronic detection module.
4. The non-invasive blood glucose monitoring device of claim 3, wherein: the four suction nozzles are selectively conducted with the negative pressure pump through a conduction selector.
5. The non-invasive glucose monitoring device of claim 4, wherein: the conduction selector comprises an annular first body and a second body driven by the stepping motor to rotate; the first body is communicated with the four suction nozzles through four air duct branch pipes; the second body is an L-shaped bent pipe, and an upper opening of the second body is rotatably connected with the main pipe of the gas guide pipe; the lower opening of the second body is selectively communicated with a certain suction nozzle when rotating.
6. Use of the non-invasive blood glucose monitoring device of any of claims 1-5 in a medical device.
7. The utility model provides a wearing formula noninvasive glucose meter which characterized in that: comprising a housing, an electronic screen, a wearing piece and the non-invasive blood glucose monitoring device of any one of claims 1-5.
8. The wearable noninvasive glucometer of claim 7, wherein: the lower surface of the shell is provided with a groove for mounting a suction nozzle; an annular bulge is arranged on the inner wall of the groove; the outer wall of the suction nozzle is provided with a rubber ring; when the suction nozzle is inserted into the groove, the rubber ring is clamped with the annular bulge in a sealing mode.
9. The wearable noninvasive glucometer of claim 8, wherein: the inner wall above the groove is provided with a circular pole piece; a thimble electrode is arranged above the suction nozzle; after the suction nozzle is inserted into the groove, the thimble electrode is electrically connected with the circular ring pole piece in a contact manner.
10. The wearable noninvasive glucometer of claim 7, wherein: the wearing piece is a bandage; and a spiral spring is arranged in the shell, one end of the binding band is fixed on the shell, and the other end of the binding band is fixed on the spiral spring and is wound or unwound under the action of the spiral spring so as to adjust the exposed length of the binding band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111157247.0A CN114041787B (en) | 2021-09-30 | 2021-09-30 | Noninvasive blood glucose monitoring device and wearable noninvasive blood glucose meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111157247.0A CN114041787B (en) | 2021-09-30 | 2021-09-30 | Noninvasive blood glucose monitoring device and wearable noninvasive blood glucose meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114041787A true CN114041787A (en) | 2022-02-15 |
| CN114041787B CN114041787B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111157247.0A Active CN114041787B (en) | 2021-09-30 | 2021-09-30 | Noninvasive blood glucose monitoring device and wearable noninvasive blood glucose meter |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08154902A (en) * | 1992-04-28 | 1996-06-18 | Technol Res Assoc Of Medical & Welfare Apparatus | Noninvasively continuously sugar value measuring apparatus |
| JP2002186600A (en) * | 2000-12-22 | 2002-07-02 | Advance Co Ltd | Body fluid collecting device |
| CN102292020A (en) * | 2009-01-23 | 2011-12-21 | 欧姆龙健康医疗事业株式会社 | Enabling efficient bodily fluid collection device and enabling accuracy bodily fluid analysis device |
| US20170188914A1 (en) * | 2015-12-31 | 2017-07-06 | Banpil Photonics, Inc. | System for screening and diagnosis of diabetes |
| KR101785062B1 (en) * | 2017-06-05 | 2017-10-12 | 최병철 | Triangular rotary pump |
-
2021
- 2021-09-30 CN CN202111157247.0A patent/CN114041787B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08154902A (en) * | 1992-04-28 | 1996-06-18 | Technol Res Assoc Of Medical & Welfare Apparatus | Noninvasively continuously sugar value measuring apparatus |
| JP2002186600A (en) * | 2000-12-22 | 2002-07-02 | Advance Co Ltd | Body fluid collecting device |
| CN102292020A (en) * | 2009-01-23 | 2011-12-21 | 欧姆龙健康医疗事业株式会社 | Enabling efficient bodily fluid collection device and enabling accuracy bodily fluid analysis device |
| US20170188914A1 (en) * | 2015-12-31 | 2017-07-06 | Banpil Photonics, Inc. | System for screening and diagnosis of diabetes |
| KR101785062B1 (en) * | 2017-06-05 | 2017-10-12 | 최병철 | Triangular rotary pump |
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| Publication number | Publication date |
|---|---|
| CN114041787B (en) | 2024-01-23 |
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