CN113288136B - Noninvasive detection device and detection method for hemoglobin concentration index of human tissue - Google Patents

Abstract

The invention provides a non-invasive detection device and a detection method for hemoglobin concentration index of human tissue, which comprises a detection cabinet component, a fixing component, a shading component, a ventilation component and a control component, wherein the fixing component is used for fixing hands and preventing external light interference in the detection process, the shading component is used for preventing mutual interference among detection lights, the ventilation component is used for ventilating in real time in the detection process to avoid water vapor accumulation, and the problems that the detection result is inaccurate due to the influence of other veiling glare in the detection process existing in the current non-invasive detection process for the hemoglobin concentration of the human tissue, the detection result is inaccurate when the detection is carried out in a closed space, and the hands of a patient are uncomfortable are also caused are solved.

Description

Non-invasive detection device and detection method for hemoglobin concentration index of human tissue

Technical Field

The invention relates to the technical field of hemoglobin concentration detection, in particular to a non-invasive detection device and a detection method for a hemoglobin concentration index of human tissue.

Background

Human tissue hemoglobin concentration mainly adopts invasive laboratory detection method to survey hemoglobin concentration clinically, its measuring result is accurate, reliable, be the standard of clinical hemoglobin concentration detection, but can cause the patient to be painful, there is the mode of adopting noninvasively to detect at present, the test mode does, shine through emitting visible light and near infrared light at light source subassembly, utilize human some positions to carry out noninvasive color measurement through photoelectric sensor behind spectral reflection and the transmission characteristic, and then realize the analysis and the calculation to hemoglobin concentration level, current test mode exists: (1) the detection result is inaccurate due to the influence of other stray light in the detection process; (2) the hand perspiration evaporation appears easily in detecting in inclosed space, leads to detecting light refraction phenomenon to appear, leads to the light that gets into photoelectric sensor to change to make the testing result inaccurate, also can lead to patient's hand discomfort simultaneously.

Disclosure of Invention

The embodiment of the invention provides a non-invasive detection device and a detection method for hemoglobin concentration index of human tissue, wherein a fixing component, a shading component and a ventilation component are arranged, so that hands are fixed by the fixing component and external light interference is prevented in the detection process, meanwhile, the shading component prevents the interference among detected light, the ventilation component conducts ventilation in real time in the detection process to avoid the accumulation of water vapor, and the problems that the detection result is inaccurate due to the influence of other veiling glare in the detection process in the existing non-invasive detection process for hemoglobin concentration of human tissue, the detection result is inaccurate when the detection is carried out in a closed space, and the hands of a patient are uncomfortable are solved.

In view of the above problems, the technical solution proposed by the present invention is:

the human tissue hemoglobin concentration index noninvasive detection device includes:

the detection cabinet assembly comprises an upper cabinet body, a lower cabinet body, a first partition plate, a second partition plate and a third partition plate;

the upper cabinet body is mounted at the top of the lower cabinet body, a first groove is formed in one side of the upper cabinet body, a first hole position and a second groove are sequentially formed in the top of the inner wall of the first groove from inside to outside, a third groove is formed in the bottom of the inner wall of the first groove, a second hole position is formed in the bottom of the inner wall of the third groove, a fourth groove is formed in the bottom of the inner wall of the second hole position, a cavity is formed in one side, away from the first groove, of the inner part of the upper cabinet body, a first through hole communicated with the first groove is formed in one side of the inner wall of the cavity, a second through hole communicated with the outside of the upper cabinet body is formed in the other side of the inner wall of the cavity, filter screens are arranged in the first through hole and the second through hole, a fifth groove is formed in one side of the lower cabinet body, the first partition plate is arranged in the cavity, and the second partition plate and the third partition plate are sequentially mounted in the lower cabinet body from top to bottom;

the fixing assembly comprises a first expansion device, a second expansion device, a spring, a pressing plate, a buffer plate, a guide rod, a fixing block and a pneumatic device;

the first expansion device is arranged on one side, far away from the cavity, of the interior of the first groove, the spring is arranged on the top of the inner wall of the second groove, the pressing plate is arranged at the bottom of the spring, the second expansion device and the buffer plate are sequentially arranged on the surface of the spring from top to bottom, one end of the guide rod is arranged in the first hole site, the other end of the guide rod is connected with one side of the pressing plate, the fixed block is arranged on one side, close to the first expansion device, of the bottom of the pressing plate, the pneumatic device is arranged on the top of the first partition plate, and the pneumatic device is communicated with the second expansion device;

the shading assembly comprises a limiting plate and a shading plate;

the light screen is arranged on one side, far away from the first expansion device, of the bottom of the pressing plate, the limiting plate is arranged inside the third groove, and a sixth groove is formed in the top of the limiting plate;

the ventilation assembly comprises an induced draft cover, an air inlet pipe, an air outlet pipe and a second air pump;

the air inducing cover is arranged inside the fourth groove, the air inducing cover is in a bowl-shaped structure, one side of an opening of the air inducing cover is communicated with the second hole, the second air pump is mounted at the top of the second partition plate, one end of the air inlet pipe is communicated with the inside of the air inducing cover, the other end of the air inlet pipe sequentially penetrates through the upper cabinet body and the lower cabinet body from top to bottom and is communicated with an air inlet of the second air pump, one end of the air outlet pipe is communicated with an air outlet of the second air pump, and the other end of the air outlet pipe sequentially communicates the lower cabinet body and the upper cabinet body from bottom to top and is communicated with the cavity;

the control assembly comprises a controller, a first pressure sensor, a second pressure sensor, a printer, a light source assembly and a photoelectric sensor;

the controller is installed at the top of the second partition plate, the printer is installed at the bottom of the inner wall of the lower cabinet body, an outlet of the printer is communicated with the fifth groove, the first pressure sensor is arranged in the first expansion device, the second pressure sensor is arranged in the second expansion device, the photoelectric sensor is arranged in the pressing plate, and the light source assembly is arranged on one side, away from the second hole, of the inner wall of the third groove.

In order to better realize the technical scheme of the invention, the following technical measures are also adopted.

Furthermore, the first partition plate is arranged at the lower part of the inner part of the cavity, and a gap is formed between the first partition plate and the bottom of the inner wall of the cavity.

Further, second expansion device includes the second gasbag, the surface of second gasbag is provided with the third through-hole, the third through-hole with the inside of second gasbag does not communicate, the material of buffer board is polyurethane foam, the bottom of buffer board with the top fixed connection of clamp plate, the top of buffer board with the bottom fixed connection of second gasbag, the fourth through-hole has been seted up on the surface of buffer board, the shape and the size of fourth through-hole with the shape and the size of third through-hole are unanimous, just the fourth through-hole with the inner wall of third through-hole respectively with the outer wall sliding connection of spring, the material of fixed block is silicon rubber, the inside of fixed block is hollow structure, and packs and has gas.

Furthermore, the pneumatic device comprises a first air pump, a second connecting pipe and a second electromagnetic valve, the first air pump is installed at the top of the first partition plate, one end of the second connecting pipe is communicated with the air outlet of the first air pump, the other end of the second connecting pipe penetrates through the upper cabinet body and is communicated with the second air bag, and the second electromagnetic valve is arranged on the second connecting pipe.

Further, the light screen set up in directly over the limiting plate, the light screen with the quantity of limiting plate is three, the bottom outer wall of light screen with the empty clearance fit between the inner wall of sixth recess.

Furthermore, first expansion device includes first gasbag, first connecting pipe and first solenoid valve, first gasbag install in the inside of first recess, the one end of first connecting pipe with the inside intercommunication of first gasbag, the other end top-down of first connecting pipe link up in proper order go up the cabinet body and the lower cabinet body with one side intercommunication of intake pipe, first solenoid valve set up in first connecting pipe is close to the one end of intake pipe, first gasbag is annular gasbag, the shape of first gasbag with the shape looks adaptation of first recess.

Further, the first pressure sensor is disposed inside the first airbag for detecting the pressure inside the first airbag, and the second pressure sensor is disposed inside the second airbag for detecting the pressure inside the second airbag.

Further, photoelectric sensor set up in directly over the light source subassembly, photoelectric sensor with the quantity of light source subassembly is three, and is three the light source subassembly is located respectively between the limiting plate, photoelectric sensor is located between the light screen, photoelectric sensor is used for receiving the light that the light source subassembly was launched.

Further, the signal output end of the controller is in communication connection with the signal input ends of the first electromagnetic valve, the first air pump, the second electromagnetic valve, the second air pump, the printer and the light source assembly, and the signal input end of the controller is in communication connection with the signal output ends of the photoelectric sensor, the first pressure sensor and the second pressure sensor.

The non-invasive detection method of the hemoglobin concentration index of the human tissue comprises the following steps:

s1, fixing a hand, placing the hand into a first groove of an upper cabinet body, respectively placing fingers between limiting plates, controlling a first electromagnetic valve and a second electromagnetic valve to be opened by a controller, enabling a first air pump and a second air pump to rotate forwards, enabling the second air pump to suck external air through a second through hole through an air outlet pipe and convey the external air to the interior of a first air bag through an air inlet pipe and a first connecting pipe so as to enable the first air bag to expand, fixing and sealing a wrist, enabling the first air pump to suck the external air through the second through hole through a second connecting pipe and convey the external air to the interior of a second air bag through a second connecting pipe, pushing a pressing plate after the second air bag expands, enabling a fixing block and a shading plate to move downwards, enabling the fixing block to be extruded and deformed after the fixing block is contacted with the hand, filling a gap between the shading plate and the first air bag, stretching a spring in the downward movement process of the pressing plate, enabling the bottom of the shading plate to be contacted with a sixth groove arranged at the tops of the limiting plates, and enabling the controller to close the first electromagnetic valve and the second electromagnetic valve when the pressures detected by a first pressure sensor and a second pressure sensor reach preset value;

s2, ventilating, wherein the controller controls the second air pump to rotate reversely, the second air pump sucks outside air into the first groove through the second through hole through the air inlet pipe, pumps the air in the first groove out through the second hole position, conveys the air to the cavity through the air outlet pipe, and then discharges the air to the outside through the second through hole;

s3, detecting, wherein the controller controls the light source assembly to start, light emitted by the light source assembly irradiates a finger and enters the photoelectric sensor, the photoelectric sensor transmits a signal to the controller, and the controller receives the signal and then obtains detection data;

s4, after detection is finished, the controller controls the first electromagnetic valve and the second electromagnetic valve to be opened, the first air pump and the second air pump to be reversely rotated, the second air pump pumps out air in the first air bag through the first connecting pipe, conveys the air to the cavity through the air outlet pipe and then discharges the air to the outside through the middle second through hole, the first air bag is contracted, the first air pump pumps out air in the first air bag through the second connecting pipe, conveys the air to the cavity and then discharges the air to the outside through the middle second through hole;

and S5, printing the inspection report, sending the detection data to a printer by the controller, printing the detection data out by the printer, and taking out the inspection report through the fifth groove.

Compared with the prior art, the invention has the beneficial effects that:

1. fix the hand through fixed subassembly in the testing process through fixed subassembly through setting up, make hand and detection device laminating degree better, be convenient for detect, prevent simultaneously that outside light from disturbing and leading to the testing result inaccurate, solved the testing process that present human tissue hemoglobin concentration does not have the wound existence and received the influence of other miscellaneous light, lead to the inaccurate problem of testing result.

2. Through setting up shading subassembly, when detecting many fingers simultaneously, avoid different fingers to transmit out light mutual interference to lead to the testing result inaccurate, solved the influence that receives other miscellaneous light in the testing process that exists at present human tissue hemoglobin concentration noninvasive detection process, lead to the inaccurate problem of testing result.

3. Through setting up the ventilation module, the ventilation module ventilates in real time in the testing process and avoids the steam gathering to photoelectric sensor received light to produce the influence, and patient's hand also can be more comfortable simultaneously, has solved that what exists in the present human tissue hemoglobin concentration does not have the wound testing process detects in inclosed space, and the testing result is inaccurate, also can lead to the uncomfortable problem of patient's hand simultaneously.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

FIG. 1 is a schematic structural diagram of an apparatus for noninvasive measurement of hemoglobin concentration index of human tissue according to an embodiment of the present invention;

FIG. 2 is a schematic front cross-sectional view of a non-invasive apparatus for detecting hemoglobin concentration index of human tissue according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is an enlarged view of the structure at C in FIG. 2;

FIG. 6 is a schematic sectional view taken along the direction D-D in FIG. 2;

FIG. 7 is an enlarged view of the structure at A in FIG. 6;

FIG. 8 is a communication block diagram of the non-invasive detecting apparatus for hemoglobin concentration index of human tissue according to the embodiment of the present invention;

fig. 9 is a schematic flow chart of a non-invasive detection method for hemoglobin concentration index of human tissue according to an embodiment of the present invention.

Reference numerals: 100. a detection cabinet assembly; 101. an upper cabinet body; 10101. a first groove; 10102. a first hole site; 10103. a second groove; 10104. a third groove; 10105. a second hole site; 10106. a fourth groove; 10107. a cavity; 10108. a first through hole; 10109. a second through hole; 102. a lower cabinet body; 10201. a fifth groove; 103. a first separator; 104. a second separator; 105. a third partition plate; 200. a fixing assembly; 201. a first expansion device; 20101. a first air bag; 20102. a first connecting pipe; 20103. a first solenoid valve; 202. a second expansion device; 20201. a second air bag; 20202. a third through hole; 203. a spring; 204. pressing a plate; 205. a buffer plate; 20501. a fourth via hole; 206. a guide bar; 207. a fixed block; 208. a pneumatic device; 20801. a first air pump; 20802. a second connecting pipe; 20803. a second solenoid valve; 300. a shading component; 301. a limiting plate; 30101. a sixth groove; 302. a visor; 400. a ventilation assembly; 401. an induced draft cover; 402. an air inlet pipe; 403. an air outlet pipe; 404. a second air pump; 500. a control component; 501. a controller; 502. a first pressure sensor; 503. a second pressure sensor; 504. a printer; 505. a light source assembly; 506. a photoelectric sensor.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

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.

Referring to fig. 1 to 8, the apparatus for non-invasive measurement of hemoglobin concentration index of human tissue comprises a measuring cabinet assembly 100, a fixing assembly 200, a light shielding assembly 300, a ventilation assembly 400 and a control assembly 500.

Referring to the attached drawings 1-8, a detection cabinet assembly 100 includes an upper cabinet 101, a lower cabinet 102, a first partition 103, a second partition 104 and a third partition 105, the upper cabinet 101 is mounted on the top of the lower cabinet 102, the upper cabinet 101 and the lower cabinet 102 are both made of opaque materials, one side of the upper cabinet 101 is provided with a first groove 10101 for placing the hands of a patient, the top of the inner wall of the first groove 10101 is provided with a first hole 10102 and a second groove 10103 from inside to outside in sequence, the bottom of the inner wall of the first groove 10101 is provided with a third groove 10104, the bottom of the inner wall of the third groove 10104 is provided with a second hole 10105, the bottom of the inner wall of the second hole 10105 is provided with a fourth groove 10106, one side of the inner wall of the upper cabinet 101, which is far away from the first groove 10101, is provided with a cavity 10107, one side of the inner wall of the cavity 10107 is provided with a first through hole 08 communicated with the first groove 10101, a second through hole 10109 communicated with the outside of the upper cabinet 101 is formed in the other side of the inner wall of the cavity 10107, a filter screen is arranged inside the first through hole 10108 and the second through hole 10109, the filter screen is used for blocking external dust from entering the inside of the device and blocking external light from entering the inside of the device, a fifth groove 10201 is formed in one side of the lower cabinet 102 and used for taking a detection report, a first partition plate 103 is arranged inside the cavity 10107, the first partition plate 103 is arranged at the lower part of the inside of the cavity 10107, a gap is formed between the first partition plate 103 and the bottom of the inner wall of the cavity 10107, the first partition plate 103 divides the cavity 10107 into an upper space and a lower space, air flows of the two spaces cannot interfere with each other when external air is sucked and discharged through the first through hole 10108 and the second through hole 10109, a second partition plate 104 and a third partition plate 105 are sequentially installed inside the lower cabinet 102 from top to bottom, and the outside is separated from the detection part through the upper cabinet 101, the interference of external stray light is avoided, and the problem that the detection result is inaccurate due to the influence of other stray light on the detection process existing in the noninvasive detection process of the hemoglobin concentration of the human tissue at present is solved.

Referring to fig. 1-3, a fixing assembly 200 includes a first expansion device 201, a second expansion device 202, a spring 203, a pressure plate 204, a buffer plate 205, a guide rod 206, a fixing block 207, and a pneumatic device 208, where the first expansion device 201 is disposed inside a first groove 10101 at a side away from a cavity 10107, the spring 203 is mounted at the top of an inner wall of a second groove 10103, the pressure plate 204 is mounted at the bottom of the spring 203, the second expansion device 202 and the buffer plate 205 are sequentially disposed on a surface of the spring 203 from top to bottom, the spring 203 is of an extension spring 203, the spring 203 keeps a contraction state to drive the pressure plate 204 to contract the first air bag 20101 in an inoperative state, one end of the guide rod 206 is disposed inside the first hole 10102, the guide rod 206 has a shape and a size matched with those of the first hole 10102, the guide rod 206 is used to limit a movement direction of the pressure plate 204, the other end of the guide rod 206 is connected to one side of the pressure plate 204, the bottom of the pressure plate 204 is mounted at a side close to the first expansion device 201, the pneumatic device 208 is disposed at the top of the first partition 103, the pneumatic device 208 is connected to the second air bag 20801, and a connection pipe 20802 of the second pneumatic device is connected to a first air pump 20801, and a second pneumatic device 20802, and a connection pipe 20802, the second air outlet of a first air pump 20802, and a second air connection pipe 20802, the second air connection pipe 20802, and a connection pipe 20802, the second pneumatic device is disposed on the first air pump, and a second air connection pipe 20802, the first air connection pipe 20802, and a second air connection pipe 20802, the second air connection pipe 20801;

in this embodiment, when the hand is fixed, the second air pump 404 sucks the outside air and conveys the air to the first expansion device 201 to expand the first expansion device 201 to fix the wrist, and meanwhile, the outside light is prevented from entering the inside of the detection device, the pneumatic device 208 drives the second expansion device 202 to push the pressing plate 204 and the fixing block 207 to fix the back of the hand, so that the hand is prevented from moving, the detection result is affected, the detection result is inaccurate, and the problem that the detection result is inaccurate due to the influence of other parasitic light on the detection process existing in the noninvasive detection process of the hemoglobin concentration of the human tissue at present is solved.

Referring to fig. 1-3 and 6-7, the light shielding assembly 300 includes a limiting plate 301 and a light shielding plate 302, the light shielding plate 302 is mounted on a side of the bottom of the pressing plate 204 far away from the first expansion device 201, the limiting plate 301 is mounted inside the third recess 10104, the limiting plate 301 and the light shielding plate 302 are made of opaque materials, mutual influence after penetration of detection light is avoided, a sixth recess 30101 is formed in the top of the limiting plate 301, the light shielding plate 302 is disposed right above the limiting plate 301, the number of the light shielding plate 302 and the number of the limiting plate 301 are three, and an outer wall of the bottom of the light shielding plate 302 is in clearance fit with an inner wall of the sixth recess 30101;

in this embodiment, the position of limiting plate 301 restriction finger, in the testing process, the light that light source subassembly 505 transmitted can only shine current finger, and can only be received by photoelectric sensor 506 directly over, light screen 302 and limiting plate 301 form a whole after the bottom of light screen 302 and sixth recess 30101 contact simultaneously, further the light that has avoided light source subassembly 505 to emit passes through mutual interference behind the finger, the light that has avoided different fingers to transmit mutually interferes and leads to the testing result inaccurate, the influence that receives other miscellaneous light in the testing process that has solved present human tissue hemoglobin concentration and has not had the wound testing process that exists leads to the inaccurate problem of testing result.

Referring to fig. 1-2 and 5-7, the ventilation assembly 400 includes an induced draft housing 401, an air inlet pipe 402, an air outlet pipe 403 and a second air pump 404, the induced draft housing 401 is disposed inside the fourth recess 10106, the induced draft housing 401 is in a bowl-shaped structure, one open side of the induced draft housing 401 is communicated with the second hole 10105, the second air pump 404 is mounted on the top of the second partition plate 104, one end of the air inlet pipe 402 is communicated with the inside of the induced draft housing 401, the other end of the air inlet pipe 402 sequentially penetrates through the upper cabinet body 101 and the lower cabinet body 102 from top to bottom and is communicated with an air inlet of the second air pump 404, one end of the air outlet pipe 403 is communicated with an air outlet of the second air pump 404, and the other end of the air outlet pipe 403 sequentially communicates the lower cabinet body 102 and the upper cabinet body 101 from bottom to top and the cavity 10107;

in this embodiment, the second air pump 404 sucks external air through the air inlet pipe 402 into the first recess 10101 through the second through hole 10109, the cavity 10107 and the first through hole 10108 in sequence, the induced draft cover 401 is sucked through the second hole 10105, the sucked air is input to the lower portion of the first partition plate 103 through the air outlet pipe 403 and is discharged to the outside through the second through hole 10109, so that the air inside the second recess 10103 keeps circulating, water vapor generated by hands is taken away in the air flowing process, the influence of the water vapor on detection light is avoided, meanwhile, the hands of a patient are kept comfortable, and the problems that detection is performed in a closed space in the existing human tissue hemoglobin concentration noninvasive detection process, the detection result is inaccurate, and discomfort of the hands of the patient is caused are solved.

Referring to fig. 1 to 8, the control assembly 500 includes a controller 501, a first pressure sensor 502, a second pressure sensor 503, a printer 504, a light source assembly 505 and a photoelectric sensor 506, the controller 501 is installed on the top of the second partition 104, the printer 504 is installed on the bottom of the inner wall of the lower cabinet 102, an outlet of the printer 504 is communicated with the fifth recess 10201, the first pressure sensor 502 is disposed inside the first expansion device 201, the second pressure sensor 503 is disposed inside the second expansion device 202, the photoelectric sensor 506 is disposed inside the pressing plate 204, the light source assembly 505 is disposed inside the inner wall of the third recess 10104 on a side far from the second hole 10105, the first pressure sensor 502 is disposed inside the first air bag 20101 for detecting the pressure inside the first air bag 20101, the second pressure sensor 503 is arranged inside the second air bag 20201 and is used for detecting the pressure inside the second air bag 20201, the photoelectric sensor 506 is arranged right above the light source assembly 505, the number of the photoelectric sensor 506 and the light source assembly 505 is three, the three light source assemblies 505 are respectively located between the limiting plates 301, the photoelectric sensor 506 is located between the shading plates 302, the photoelectric sensor 506 is used for receiving light rays emitted by the light source assembly 505, the signal output end of the controller 501 is respectively in communication connection with the signal input ends of the first electromagnetic valve 20103, the first air pump 20801, the second electromagnetic valve 20803, the second air pump 404, the printer 504 and the light source assembly 505, and the signal input end of the controller 501 is respectively in communication connection with the signal output ends of the photoelectric sensor 506, the first pressure sensor 502 and the second pressure sensor 503;

in this embodiment, when the hand is fixed, the first pressure sensor 502 and the second pressure sensor 503 detect the pressure inside the first air bag 20101 and the second air bag 20201 respectively, after the pressure detected by the first pressure sensor 502 and the second pressure sensor 503 reaches a preset value, the controller 501 closes the first electromagnetic valve 20103 and the second electromagnetic valve 20803 and closes the first air pump 20801 and the second air pump 404 at the same time, so as to avoid excessive squeezing on the hand of the patient and causing damage, when the detection is performed, the controller 501 controls the light source assembly 505 to start, light emitted by the light source assembly 505 irradiates the finger and enters the photoelectric sensor 506, the photoelectric sensor 506 transmits a signal to the controller 501, the controller 501 receives the signal and obtains detection data, the controller 501 transmits the detection data to the printer 504, the printer 504 prints out the detection data, and takes out an inspection report through the fifth groove 10201.

The embodiment of the invention is also realized by the following technical scheme.

Referring to fig. 2-3, in the embodiment of the present invention, the second expansion device 202 includes a second air bag 20201, a third through hole 20202 is formed in a surface of the second air bag 20201, the third through hole 20202 is not communicated with an interior of the second air bag 20201, the buffer board 205 is made of polyurethane foam and has a compressible property, a bottom of the buffer board 205 is fixedly connected to a top of the pressure plate 204, a top of the buffer board 205 is fixedly connected to a bottom of the second air bag 20201, a fourth through hole 20501 is formed in a surface of the buffer board 205, a shape and a size of the fourth through hole 20501 are identical to those of the third through hole 20202, inner walls of the fourth through hole 20501 and the third through hole 20202 are respectively connected to an outer wall of the spring 203 in a sliding manner, the fixing block 207 is made of silicon rubber, and the interior of the fixing block 207 is a hollow structure and is filled with air;

in the embodiment, in the fixing process, the second air bag 20201 expands to push the pressing plate 204, the fixing block 207 and the light shielding plate 302 to move downwards, the fixing block 207 is pressed to deform after contacting with the hand, a gap between the light shielding plate 302 and the first air bag 20101 is filled, the position of the hand is further limited, meanwhile, external light is further prevented from entering the device, the buffer plate 205 is used for buffering the hand when the pressing plate 204 is pressed downwards, damage to the hand is avoided, and the problem that the detection result is inaccurate due to the influence of other parasitic light on the detection process existing in the existing human tissue hemoglobin concentration non-invasive detection process is solved.

Referring to fig. 3-7, in the embodiment of the present invention, the first expansion device 201 includes a first air bag 20101, a first connection pipe 20102 and a first electromagnetic valve 20103, the first air bag 20101 is installed inside the first groove 10101, one end of the first connection pipe 20102 is communicated with the inside of the first air bag 20101, the other end of the first connection pipe 20102 sequentially penetrates through the upper cabinet 101 and the lower cabinet 102 from top to bottom and is communicated with one side of the air inlet pipe 402, the first electromagnetic valve 20103 is disposed at one end of the first connection pipe 20102 close to the air inlet pipe 402, the first air bag 20101 is an annular air bag, and the shape of the first air bag 20101 is matched with the shape of the first groove 10101;

in this embodiment, the first air bag 20101 is made of a light-tight elastic material, the second air pump 404 sucks external air through the second through hole 10109 through the air outlet pipe 403 and conveys the air to the inside of the first air bag 20101 through the air inlet pipe 402 and the first connecting pipe 20102 to enable the first air bag 20101 to expand to fix and seal the wrist, so that external stray light is prevented from entering the inside of the device, and the problem that the detection result is inaccurate due to the influence of other stray light in the detection process existing in the non-invasive detection process of the hemoglobin concentration of the human tissue at present is solved.

Referring to fig. 1-9, the present invention further provides a method for non-invasive measurement of hemoglobin concentration index of human tissue, comprising the following steps:

the hand fixing device comprises a S1, a hand is fixed, the hand is placed in a first groove 10101 of an upper cabinet 101, fingers are respectively placed between limiting plates 301, a controller 501 controls a first electromagnetic valve 20103 and a second electromagnetic valve 20803 to be opened, a first air pump 20801 and a second air pump 404 rotate forwards, the second air pump 404 sucks outside air through a second through hole 10109 through an air outlet pipe 403 and conveys the air into the first air bag 20101 through an air inlet pipe 402 and a first connecting pipe 20102 to enable the first air bag 20101 to be expanded to fix and seal the wrist, the first air pump 20801 sucks outside air through a second through hole 10109 through a second connecting pipe 20802 and conveys the air into a second air bag 20201 through a second connecting pipe 20802, the pressing plate 204, the fixing block 207 and the light shielding plate 302 move downwards after the second air bag 20201 expands, the pressing plate 207 is pressed to deform after contacting with the hand, a gap between the light shielding plate 302 and the first air bag 20101 is filled, the spring 203 is stretched during the downward movement of the pressing plate 204, the bottom of the pressing plate 302 contacts with a sixth groove 30101 arranged at the top of the limiting plate 301, and the pressure sensor 20801 is closed when the pressure sensor 20803 and the pressure sensor 20801 of the first air pump is detected by the first air pump and the pressure sensor 20803, and the second air pump 501 are closed;

s2, ventilation is performed, the controller 501 controls the second air pump 404 to rotate reversely, the second air pump 404 sucks outside air into the first groove 10101 through the second through hole 10109 through the air inlet pipe 402, the air in the first groove 10101 is pumped out through the second hole 10105, and the air is conveyed to the cavity 10107 through the air outlet pipe 403 and then is discharged to the outside through the second through hole 10109;

s3, detection is carried out, the controller 501 controls the light source assembly 505 to start, light emitted by the light source assembly 505 enters the photoelectric sensor 506 after being irradiated by fingers, the photoelectric sensor 506 transmits signals to the controller 501, and the controller 501 receives the signals to obtain detection data;

s4, after detection is finished, the controller 501 controls the first electromagnetic valve 20103 and the second electromagnetic valve 20803 to be opened, the first air pump 20801 and the second air pump 404 to rotate reversely, the second air pump 404 pumps air in the first air bag 20101 through the first connecting pipe 20102 and conveys the air to the cavity 10107 through the air outlet pipe 403, then the air is discharged to the outside through the middle second through hole 10109, the first air bag 20101 contracts to release the wrist part, the first air pump 20801 pumps air in the first air bag 20101 through the second connecting pipe 20802, the spring 203 retracts after losing the tensile force of the first air bag 20101 to drive the pressing plate 204 to move upwards to release the back of the hand, and the air is discharged to the outside through the middle second through hole 10109 after being conveyed to the cavity 10107;

s5, the inspection report is printed, the controller 501 sends the detection data to the printer 504, the printer 504 prints out the detection data, and the inspection report is taken out through the fifth slot 10201.

Specifically, the controller 501 controls the first solenoid valve 20103 and the second solenoid valve 20803 to open, the first air pump 20801 and the second air pump 404 to rotate forward, the second air pump 404 sucks external air through the second through hole 10109 via the air outlet pipe 403 and conveys the external air to the inside of the first air bag 20101 via the air inlet pipe 402 and the first connecting pipe 20102 to expand the first air bag 20101 to fix and seal the wrist, the first air pump 20801 sucks external air through the second through hole 10109 via the second connecting pipe 20802 to convey the external air to the inside of the second air bag 20201 via the second connecting pipe 20802, the second air bag 20201 expands to push the pressure plate 204, the fixed block 207 and the fixed block 302 to move downward, the fixed block 207 is pressed to deform after contacting with the hand, a gap between the light shielding plate 302 and the first air bag 20101 is filled, the position of the hand is further limited, and meanwhile, external light rays are further prevented from entering the inside of the device, the second air pump 404 sucks external air into the first groove 10101 through the second through hole 10109 by the air inlet pipe 402, and sucks the air in the first groove 10101 out through the second hole 10105, and the air is conveyed to the cavity 10107 through the air outlet pipe 403 and then is discharged to the outside through the second through hole 10109, the controller 501 controls the light source assembly 505 to be started, light emitted by the light source assembly 505 irradiates a finger and enters the photoelectric sensor 506, the photoelectric sensor 506 transmits a signal to the controller 501, the controller 501 receives the signal and obtains detection data, the controller 501 sends the detection data to the printer 504, the printer 504 outputs the detection data, the fixing assembly 200, the shading assembly 300 and the ventilation assembly 400 are arranged, the hand is fixed and prevented from external light interference by the fixing assembly 200 in the detection process, and the shading assembly 300 prevents the interference among the detection lights, the ventilation assembly 400 ventilates in real time in the testing process and avoids the gathering of steam, has solved the influence that receives other miscellaneous light in the testing process that present human tissue hemoglobin concentration does not have the wound testing process existence, leads to the testing result inaccurate, detects in inclosed space, and the testing result is inaccurate, also can lead to the uncomfortable problem of patient's hand simultaneously.

It should be noted that the specific model specifications of the controller 501, the first electromagnetic valve 20103, the first air pump 20801, the second electromagnetic valve 20803, the second air pump 404, the printer 504, the light source assembly 505, the photoelectric sensor 506, the first pressure sensor 502, and the second pressure sensor 503 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, and therefore, detailed description is omitted.

The power supply and the principle of the controller 501, the first solenoid valve 20103, the first air pump 20801, the second solenoid valve 20803, the second air pump 404, the printer 504, the light source assembly 505, the photoelectric sensor 506, the first pressure sensor 502 and the second pressure sensor 503 are clear to those skilled in the art, and will not be described in detail herein.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. The noninvasive detection device of human tissue hemoglobin concentration index, its characterized in that includes:

the detection cabinet assembly comprises an upper cabinet body, a lower cabinet body, a first partition plate, a second partition plate and a third partition plate;

the upper cabinet body is mounted at the top of the lower cabinet body, a first groove is formed in one side of the upper cabinet body, a first hole position and a second groove are sequentially formed in the top of the inner wall of the first groove from inside to outside, a third groove is formed in the bottom of the inner wall of the first groove, a second hole position is formed in the bottom of the inner wall of the third groove, a fourth groove is formed in the bottom of the inner wall of the second hole position, a cavity is formed in one side, away from the first groove, of the inner part of the upper cabinet body, a first through hole communicated with the first groove is formed in one side of the inner wall of the cavity, a second through hole communicated with the outside of the upper cabinet body is formed in the other side of the inner wall of the cavity, filter screens are arranged in the first through hole and the second through hole, a fifth groove is formed in one side of the lower cabinet body, the first partition board is arranged in the cavity, and the second partition board and the third partition board are sequentially mounted in the lower cabinet body from top to bottom;

the fixing assembly comprises a first expansion device, a second expansion device, a spring, a pressing plate, a buffer plate, a guide rod, a fixing block and a pneumatic device;

the first expansion device is arranged on one side, far away from the cavity, of the interior of the first groove, the spring is arranged on the top of the inner wall of the second groove, the pressing plate is arranged at the bottom of the spring, the second expansion device and the buffer plate are sequentially arranged on the surface of the spring from top to bottom, one end of the guide rod is arranged in the first hole site, the other end of the guide rod is connected with one side of the pressing plate, the fixed block is arranged on one side, close to the first expansion device, of the bottom of the pressing plate, the pneumatic device is arranged on the top of the first partition plate, and the pneumatic device is communicated with the second expansion device;

the shading assembly comprises a limiting plate and a shading plate;

the light screen is arranged on one side, away from the first expansion device, of the bottom of the pressing plate, the limiting plate is arranged inside the third groove, and a sixth groove is formed in the top of the limiting plate;

the ventilation assembly comprises an induced draft cover, an air inlet pipe, an air outlet pipe and a second air pump;

the air inducing cover is arranged inside the fourth groove, the air inducing cover is in a bowl-shaped structure, one side of an opening of the air inducing cover is communicated with the second hole, the second air pump is arranged at the top of the second partition plate, one end of the air inlet pipe is communicated with the inside of the air inducing cover, the other end of the air inlet pipe sequentially penetrates through the upper cabinet body and the lower cabinet body from top to bottom and is communicated with an air inlet of the second air pump, one end of the air outlet pipe is communicated with an air outlet of the second air pump, and the other end of the air outlet pipe sequentially communicates the lower cabinet body and the upper cabinet body from bottom to top and is communicated with the cavity;

the control assembly comprises a controller, a first pressure sensor, a second pressure sensor, a printer, a light source assembly and a photoelectric sensor;

the controller is installed at the top of the second partition plate, the printer is installed at the bottom of the inner wall of the lower cabinet body, an outlet of the printer is communicated with the fifth groove, the first pressure sensor is arranged in the first expansion device, the second pressure sensor is arranged in the second expansion device, the photoelectric sensor is arranged in the pressing plate, and the light source assembly is arranged on one side, away from the second hole, of the inner wall of the third groove.

2. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 1, wherein: the first partition plate is arranged at the lower part of the inner part of the cavity, and a gap is formed between the first partition plate and the bottom of the inner wall of the cavity.

3. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 1, wherein: the second expansion device comprises a second air bag, a third through hole is formed in the surface of the second air bag, the third through hole is not communicated with the inside of the second air bag, the buffer plate is made of polyurethane foam, the bottom of the buffer plate is fixedly connected with the top of the pressing plate, the top of the buffer plate is fixedly connected with the bottom of the second air bag, a fourth through hole is formed in the surface of the buffer plate, the shape and the size of the fourth through hole are consistent with those of the third through hole, the inner wall of the fourth through hole and the inner wall of the third through hole are respectively in sliding connection with the outer wall of the spring, the fixed block is made of silicon rubber, the inside of the fixed block is of a hollow structure, and the fixed block is filled with gas.

4. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue as claimed in claim 3, wherein: the pneumatic device comprises a first air pump, a second connecting pipe and a second electromagnetic valve, the first air pump is installed at the top of the first partition plate, one end of the second connecting pipe is communicated with an air outlet of the first air pump, the other end of the second connecting pipe penetrates through the upper cabinet body and the second air bag, and the second electromagnetic valve is arranged on the second connecting pipe.

5. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 1, wherein: the light screen set up in directly over the limiting plate, the light screen with the quantity of limiting plate is three, the bottom outer wall of light screen with space clearance fit between the inner wall of sixth recess.

6. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 4, wherein: first expansion device includes first gasbag, first connecting pipe and first solenoid valve, first gasbag install in the inside of first recess, the one end of first connecting pipe with the inside intercommunication of first gasbag, the other end top-down of first connecting pipe link up in proper order go up the cabinet body and down the cabinet body with one side intercommunication of intake pipe, first solenoid valve set up in first connecting pipe is close to the one end of intake pipe, first gasbag is the annular gasbag, the shape of first gasbag with the shape looks adaptation of first recess.

7. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 6, wherein: the first pressure sensor is arranged in the first air bag and used for detecting the pressure in the first air bag, and the second pressure sensor is arranged in the second air bag and used for detecting the pressure in the second air bag.

8. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 6, wherein: photoelectric sensor set up in directly over the light source subassembly, photoelectric sensor with the quantity of light source subassembly is three, and is three the light source subassembly is located respectively between the limiting plate, photoelectric sensor is located between the light screen, photoelectric sensor is used for receiving the light that the light source subassembly was launched.

9. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 8, wherein: the signal output end of the controller is respectively in communication connection with the signal input ends of the first electromagnetic valve, the first air pump, the second electromagnetic valve, the second air pump, the printer and the light source assembly, and the signal input end of the controller is respectively in communication connection with the signal output ends of the photoelectric sensor, the first pressure sensor and the second pressure sensor.

10. A method for non-invasive measurement of hemoglobin concentration index of human tissue, using the apparatus for non-invasive measurement of hemoglobin concentration index of human tissue as claimed in any one of claims 1-9, characterized in that: the method comprises the following steps:

s1, a hand is fixed, a hand is placed inside a first groove of an upper cabinet body, fingers are respectively placed between limiting plates, a controller controls a first electromagnetic valve and a second electromagnetic valve to be opened, a first air pump and a second air pump rotate forwards, the second air pump sucks external air through a second through hole through an air outlet pipe and conveys the external air to the inside of a first air bag through an air inlet pipe and a first connecting pipe to enable the first air bag to expand to fix and seal a wrist, the first air pump sucks the external air through a second through hole through a second connecting pipe and conveys the external air to the inside of a second air bag through a second connecting pipe, a pressing plate is pushed after the second air bag expands, the fixing block and a shading plate move downwards, the fixing block is extruded and deformed after contacting with the hand, a gap between the shading plate and the first air bag is filled, a spring is stretched in the downward movement process of the pressing plate, the bottom of the shading plate contacts with a sixth groove formed in the tops of the limiting plates, and the controller closes the first electromagnetic valve and the second electromagnetic valve and closes the first electromagnetic valve and the second air pump after the pressures detected by a first pressure sensor and a second pressure sensor reach preset value;

s2, ventilating, controlling the second air pump to rotate reversely by the controller, sucking outside air into the first groove through the second through hole by the second air pump through the air inlet pipe, sucking the air in the first groove out through the second hole, conveying the air to the cavity through the air outlet pipe, and discharging the air to the outside through the second through hole;

s3, detecting, wherein the controller controls the light source assembly to start, light emitted by the light source assembly irradiates a finger and enters the photoelectric sensor, the photoelectric sensor transmits a signal to the controller, and the controller receives the signal and then obtains detection data;

s4, after detection is finished, the controller controls the first electromagnetic valve and the second electromagnetic valve to be opened, the first air pump and the second air pump to be reversed, the second air pump pumps air in the first air bag through the first connecting pipe, conveys the air to the cavity through the air outlet pipe and then discharges the air to the outside through the second through hole, the first air bag contracts, and the first air pump pumps air in the first air bag through the second connecting pipe, conveys the air to the cavity and then discharges the air to the outside through the second through hole;

and S5, printing the inspection report, sending the detection data to a printer by the controller, printing the detection data out by the printer, and taking out the inspection report through the fifth groove.

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