CN209416915U - Hemoglobin detector - Google Patents
Hemoglobin detector Download PDFInfo
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- CN209416915U CN209416915U CN201822090530.6U CN201822090530U CN209416915U CN 209416915 U CN209416915 U CN 209416915U CN 201822090530 U CN201822090530 U CN 201822090530U CN 209416915 U CN209416915 U CN 209416915U
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Abstract
The utility model discloses a kind of hemoglobin detectors, are related to hemoglobin detecting instrument field comprising objective table, the side of objective table are equipped with the slot for being embedded shade guide teeth；Through loophole, blood region on loophole face shade guide teeth is offered on objective table, the side for the slot that objective table deviates from also face loophole is provided with dual-wavelength LEDs light source；The hemoglobin detector further includes sample circuit, and sample circuit includes light-receiving device, and light-receiving device is fixedly installed on the side that objective table deviates from dual-wavelength LEDs light source, and the light-receiving device face loophole.The utility model provides easy to use, the operation is stable, and a kind of hemoglobin detector that hemoglobin concentration testing result accuracy is high.
Description
Technical field
The utility model relates to hemoglobin detecting instrument fields, specifically, it is related to a kind of hemoglobin detector.
Background technique
Hemoglobin detector, which is that hospital laboratory is commonly a kind of, detects one of content of hemoglobin in blood of human body
It rises, is built-in with peristaltic pump, inspection module and the components such as A/D conversion module and data analysis module, wherein inspection module can lead to
Photoeletric measuring system is crossed, the content height of hemoglobin in the light transmission sex differernce reflection blood sample of blood sample is utilized.
Existing patent application publication number is that the application for a patent for invention of CN108562582A discloses a kind of hemoglobin detection
Instrument sample circuit, including base chip IC 1, amplifier IC2, infrared tube OE, switch SB, triode VT1~VT2, current potential when 555 type
Device RP1~RP4, D1~D3, capacitor C1~C9, resistance R1~R10, connecting terminal J1~J7.During atual detection, OE
Photophore constantly issues infrared light and is received by the light-receiving device of OE, and the light intensity between OE photophore and light-receiving device is because of blood
Sample blocks and weakens, and the content of the light intensity and hemoglobin in blood sample is inversely proportional；Thus, OE light-receiving device is led
Galvanization also changes with the variation of content of hemoglobin in blood sample, which inputs through 3 feet of IC2
IC2, and A/D is carried out by the sampled signal input that J7 is exported to the hemoglobin detector of subsequent connection after IC2 amplifies and is turned
It changes and is analyzed with data.
But in actually detected, for any single blood sample, since conventional hemoglobin detector mostly uses list
The photophore of wavelength, when the light intensity of light source fluctuates, relatively large deviation will occur for the testing result of content of hemoglobin,
To influence the detection accuracy of hemoglobin detector.
Utility model content
In view of the above technical problems, the purpose of the utility model is to provide a kind of hemoglobin detector, dual wavelength is utilized
LED light source, cooperation have the sample circuit of light-receiving device, the accuracy of hemoglobin testing result are greatly improved.
To achieve the above object, the utility model provides following technical solution:
A kind of hemoglobin detector, including objective table, the side of the objective table are equipped with for being embedded inserting for shade guide teeth
Slot；
Through loophole is offered on the objective table, blood region on the loophole face shade guide teeth is described
The side for the slot that objective table deviates from also face loophole is provided with dual-wavelength LEDs light source；
The hemoglobin detector further includes sample circuit, and the sample circuit includes light-receiving device, and the light-receiving device is fixed
It is set to the side that objective table deviates from dual-wavelength LEDs light source, and the light-receiving device face loophole.
By using above-mentioned technical proposal, before detection starts, the light beam of the two wavelength is successively lighted, two light beams will be straight
It connects and is received by light-receiving device, and A/D conversion and data analysis are carried out by sample circuit after carrying out photoelectric conversion, thus respectively
The initial beam intensity of two light beams out.After starting detection, the shade guide teeth fixation with blood sample is embedded in slot, and shade guide teeth
Loophole on upper blood region face objective table.At this point, dual-wavelength LEDs light source is lighted again, two light issued
Beam will be transmitted from the window of shade guide teeth, because hemoglobin concentration difference causes it different to the trap of light, so as to cause
It also changes therewith through the light intensity of two light beams of shade guide teeth；Two light beams are received using light-receiving device, and utilize sampling electricity again
Road detects the light intensity of two light beams.By comparing front and back detect twice as a result, in conjunction with the relevant technologies formula, you can get it more
Accurate hemoglobin concentration testing result.In the process, two light beams issued using dual-wavelength LEDs light source, it is comprehensive
As a result, reducing influence of the single light beam for final detection result, guarantee hemoglobin concentration detects the optic test of two light beams
As a result accuracy.
The utility model is further arranged to: the light-receiving device is silicon photo diode.
By using above-mentioned technical proposal, silicon photo diode can receive the light that dual-wavelength LEDs light source issues as light-receiving device
Beam, and realize photoelectric conversion.
The utility model is further arranged to: the hemoglobin detector further includes in the hemoglobin bottom being detachably arranged
Shell and hemoglobin panel are formed with installation cavity between the hemoglobin bottom case and hemoglobin panel；
The hemoglobin bottom case is fixed with transmission component pedestal, the objective table sliding close to hemoglobin panel side
It is set on transmission component pedestal, and side of the installation cavity in objective table glide direction is provided with for slot on objective table
The drawing hole that place position skids off；
The dual-wavelength LEDs light source is fixed on transmission component pedestal, also detachable setting on the transmission component pedestal
There is the transmission component upper cover for installing light-receiving device, the objective table is between transmission component pedestal and transmission component upper cover；
When the objective table is shunk in installation cavity completely, the dual-wavelength LEDs light source and the equal face loophole of light-receiving device.
By using above-mentioned technical proposal, hemoglobin panel and hemoglobin bottom case can be to sample circuit and objective tables etc.
Component plays a protective role；Meanwhile user can also partially extract objective table out from drawing hole, facilitate and install colorimetric on slot
Piece helps to improve the convenience used.
The utility model is further arranged to: sliding axle, the sliding axle are horizontally fixed on the transmission component pedestal
Level wears objective table and forms sliding connection with objective table.
The stability of objective table sliding motion can be improved using sliding axle by using above-mentioned technical proposal.
The utility model is further arranged to: the transmission component pedestal is interrupted equipped with light in its side far from drawing hole
Device, the objective table is close to the side of optical chopper integrally formed with the block for controlling optical chopper on off operating mode；It is described
Optical chopper is electrically connect with dual-wavelength LEDs light source.
By using above-mentioned technical proposal, in real work, when block is at stage movement to optical chopper, light is disconnected
Continuous device issues undersuing to control module, and control module indirectly controls dual-wavelength LEDs light source and issues light beam, and detection starts.
When block is far from objective table, optical chopper controls dual-wavelength LEDs light source by control module and powers off.
The utility model is further arranged to: the side of the objective table width direction is described integrally formed with abutting platform
Damper is additionally provided on hemoglobin bottom case；During stage movement, the damper keeps abutting with platform is abutted, and
The damper hinders objective table to skid off drawing hole the active force for abutting platform.
By using above-mentioned technical proposal, damper will hinder objective table to skid off drawing hole the active force for abutting platform；One
Aspect, objective table towards drawing hole move during, damper is capable of the energy of depletion stage movement, avoid objective table with
Sharp impacts occur for hemoglobin panel or hemoglobin bottom case；On the other hand, when objective table is withdrawn completely, damper can be prevented
Only objective table loosens on transmission component pedestal, it is ensured that dual-wavelength LEDs light source can be directed at loophole at the moment, guarantee that this is blood red
The stability that Protein Detection instrument uses.
The utility model is further arranged to: the damper includes the activity being hingedly set on transmission component on lid
Bar, tension spring is connected on the motion bar, and the tension spring is connected on transmission component on lid far from one end of motion bar；In loading
In platform any position, the tension spring drives the lower end of motion bar to push against the upper surface of abutting platform the pulling force of motion bar.
By using above-mentioned technical proposal, tension spring applies pulling force to motion bar, which pulls on motion bar, and to live
Lever lower end, which pushes against, abuts platform upper surface；During objective table slides towards drawing hole, objective table must overcome tension spring to pass through work
Lever is applied to the resistance abutted on platform, to play damping.
The utility model is further arranged to: the abutting platform upper surface is smooth surface, and the lower end of the motion bar
Rotation is provided with micro rolling ball bearing；The motion bar keeps abutting by micro rolling ball bearing with platform upper surface is abutted.
By using above-mentioned technical proposal, motion bar is abutted by micro rolling ball bearing with platform is abutted, and is guaranteeing damping
On the basis of, it is ensured that objective table can smoothly slide on transmission component pedestal.
The utility model is further arranged to: the sample circuit is electrically connected with OLED display screen.
By using above-mentioned technical proposal, after completing A/D conversion and data analysis, sample circuit will can finally detect knot
Fruit is shown in OLED display screen, and user is facilitated to read.
In conclusion the utility model has the following beneficial effects:
1, the light source that traditional Single wavelength is replaced using dual-wavelength LEDs light source, cooperates sample circuit, realizes hemoglobin concentration
Automatic detection, it is not only extremely easy to use, but also can effectively ensure that the accuracy of hemoglobin concentration testing result；
2, damper is set by covering on transmission component, cooperation takes shape in the abutting platform on objective table, greatly improves
The stability of hemoglobin detector work.
Detailed description of the invention
Fig. 1 is the integrally-built axonometric schematic diagram of the utility model one embodiment；
Fig. 2 is that the utility model one embodiment is mainly used for embodying the axonometric schematic diagram of hemoglobin faceplate part；
Fig. 3 is that the utility model one embodiment is mainly used for embodying the axonometric schematic diagram of hemoglobin bottom housing section；
Fig. 4 is that the utility model one embodiment is mainly used for embodying transmission component pedestal and the axis of objective table measures meaning
Figure；
Fig. 5 is the partial enlarged view of part A in Fig. 4, is mainly used for embodying loophole；
Fig. 6 is that the utility model one embodiment is mainly used for embodying the structural schematic diagram of silicon photo diode；
Fig. 7 is that the utility model one embodiment is mainly used for embodying the structural schematic diagram of damper.
Appended drawing reference: 1, hemoglobin panel；2, hemoglobin bottom case；3, installation cavity；31, drawing hole；4, OLED is shown
Screen；5, main control board；6, battery case；7, power elements；8, transmission component pedestal；81, inner groovy；9, sliding axle；10, lower switching
Circuit board；11, dual-wavelength LEDs light source；12, socket；13, objective table；131, slot；132, loophole；133, withdrawing part；134,
Block；135, platform is abutted；14, optical chopper；15, fixed link；16, transmission component upper cover；17, upper switching circuit board；18, silicon light
Diode；19, needle is arranged；20, damper；201, motion bar；202, tension spring；203, micro rolling ball bearing.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Referring to attached drawing 1-2, a kind of hemoglobin detector, including hemoglobin panel 1 and hemoglobin bottom case 2, it is blood red
Albumen panel 1 and hemoglobin bottom case 2 are in detachable setting；When hemoglobin panel 1 and hemoglobin bottom case 2 are buckled together
When, installation cavity 3, and the side setting of 3 length direction of installation cavity are formed between hemoglobin panel 1 and hemoglobin bottom case 2
There is drawing hole 31.
The front of hemoglobin panel 1 is fixedly embedded at OLED display screen 4；The inside of hemoglobin panel 1 also passes through spiral shell
Silk is fixed with main control board 5, and main control board 5 is located at the back side of OLED display screen 4, and is provided with and adopts on main control board 5
Sample circuit.
Referring to attached drawing 3, the inside of hemoglobin bottom case 2 is fixed with battery case 6 in the side of its length direction, and battery case 6
In the side of drawing hole 31 separate on hemoglobin bottom case 2, and battery case 6 can be electrically connected by conducting wire with above-mentioned sample circuit；
Power elements 7 are equipped in battery case 6, lithium battery can be used in power elements 7.In real work, power elements 7 can be powered for sample circuit,
Meet the work requirements of sample circuit.
In conjunction with attached drawing 4,2 inside of hemoglobin bottom case is equipped with transmission component pedestal 8, transmission component bottom at drawing hole 31
Seat 8 can be fixed by screws on hemoglobin bottom case 2；Level frame is equipped with sliding along its length on transmission component pedestal 8
The both ends of axis 9, sliding axle 9 can be fixedly connected by screw with transmission component pedestal 8；The axial direction of sliding axle 9 and hemoglobin bottom
The length direction of shell 2 is parallel, and drawing hole 31 is directed toward in one end of sliding axle 9；The sliding axle 9 can be in the width of transmission component pedestal 8
It spends and is symmetrical arranged two on direction.Meanwhile indent forms inner groovy on the middle position of 8 width direction of transmission component pedestal
81.And transmission component pedestal 8 is further fixed on lower switching circuit board 10, lower switching circuit board 10 close to 2 side of hemoglobin bottom case
On be provided with dual-wavelength LEDs light source 11, which wears through the bottom of the inner groovy 81 on transmission component pedestal 8
Out and extend to the upside of transmission component pedestal 8.The light beam of the capable of emitting two beams narrowband wavelength of dual-wavelength LEDs light source 11, wherein
Cardiac wave is grown between 400~700nm, and the launch angle difference of two light beams is minimum, it is believed that is that directional light issues.In addition, lower turn
It connects and is further fixed on socket 12 on circuit board 10.
In conjunction with attached drawing 5, is abutted on the upside of transmission component pedestal 8 and be provided with objective table 13；Two sliding axles 9 simultaneously wear by level
If objective table 13 simultaneously forms sliding connection with objective table 13, so that objective table 13 can be along 9 horizontal sliding of sliding axle.Objective table
13 upside indents form the slot 131 for installing shade guide teeth, and the bottom of slot 131 extends vertically through and offers loophole
132；Meanwhile objective table 13 close to the side of drawing hole 31 also integrally formed with withdrawing part 133.In actual use, withdrawing part
133 can be exposed to the outside of drawing hole 31 always；User can be by withdrawing part 133 by 131 place position of slot on objective table 13
It is extracted out from drawing hole 31, so that slot 131 is exposed to outside installation cavity 3, facilitates user installation shade guide teeth；When user is by colorimetric
After piece is mounted in slot 131, the lucky face loophole 132 in blood sample region on shade guide teeth.Also, work as objective table 13
When withdrawing from drawing hole 31, loophole 132 can be directed at above-mentioned dual-wavelength LEDs light source 11.
As shown in Fig. 4, to ensure that loophole 132 can be accurately aimed at dual-wavelength LEDs light source 11, above-mentioned transmission component pedestal
Side on 8 far from drawing hole 31 is fixed with optical chopper 14.Corresponding, objective table 13 is close to the side of optical chopper 14 one
Form block 134.When objective table 13 is withdrawn completely, block 134 blocks the infrared light that transmitter issues in optical chopper 14,
Start to send out so that the receiver in optical chopper 14 issues undersuing and controls dual-wavelength LEDs light source 11 by control module
Penetrate the light beam of dual wavelength；When block 134 is exited from optical chopper 14, dual-wavelength LEDs light source 11 is in off-position, stops
Emit the light beam of dual wavelength.
Referring to attached drawing 3, objective table 13 is additionally provided with transmission component upper cover 16, transmission group away from the side of transmission component pedestal 8
The two sides of 16 length direction of part upper cover can be directly fixedly connected with transmission component pedestal 8 by screw, so that objective table
13 integral slippings are set between transmission component pedestal 8 and transmission component upper cover 16.Transmission component upper cover 16 deviates from objective table 13
Side be further fixed on switching circuit board 17, upper switching circuit board 17 can realize electricity by winding displacement and above-mentioned main control board 5
Connection.
In conjunction with attached drawing 6, it is fixed with light-receiving device on upper switching circuit board 17, which can be silicon photo diode 18；When
When objective table 13 is abutted with above-mentioned optical chopper 14, the above-mentioned loophole 132 of the lucky face of silicon photo diode 18；At this point, dual wavelength
LED light source 11, loophole 132, blood template region and silicon photo diode 18 are just perfectly aligned on shade guide teeth.In addition,
It is further fixed on upper switching circuit board 17 for the row needle 19 mating with above-mentioned socket 12；When sample circuit is on shape
When state, power elements 7 can between be connected in above-mentioned dual-wavelength LEDs light source 11 and power.
Referring to attached drawing 4, after shade guide teeth is installed, to guarantee that the loophole 132 on objective table 13 can still be directed at double wave
Long LED light source 11 and silicon photo diode 18, the side of above-mentioned 13 width direction of objective table also integrally formed with abut platform 135,
The upper surface for abutting platform 135 can be smooth surface.
In conjunction with attached drawing 7, transmission component upper cover 16 is correspondingly provided in abutting 135 side of platform and abuts platform 135 for cooperating
The damper 20 of work.During 13 sliding motion of objective table, damper 20 keeps abutting with the upper surface for abutting platform 135,
And the active force of 20 pairs of damper abutting platforms 135 can continue that objective table 13 is hindered to move towards drawing hole 31；In this way, working as objective table 13
When withdrawing from drawing hole 31, the active force of damper 20 will push objective table 13 and push against optical chopper 14, so that it is guaranteed that light transmission
Hole 132, dual-wavelength LEDs light source 11 and silicon photo diode 18 can be correctly aligned.
To install above-mentioned damper 20, the side of 16 width direction of transmission component upper cover is equipped with fixed link 15, fixed link 15
Rectangular type structure, and fixed link 15 can be fixedly connected by screw with transmission component upper cover 16.In level on the upside of fixed link 15
Setting, and it is hinged with motion bar 201 close to one end of drawing hole 31, the lower end rotation of motion bar 201 is provided with tiny balls axis
Hold 203；Meanwhile tension spring 202 is also connected on motion bar 201, tension spring 202 is connected to fixed link far from one end of motion bar 201
15 lower end.In use, tension spring 202 applies pulling force to motion bar 201, it is miniature which pass through the lower end of motion bar 201
Ball bearing 203 is pushed against on the upper surface for abutting platform 135；Also, during 13 sliding motion of objective table, micro rolling ball bearing
203 keep abutting with the 135 upper surface moment of platform is abutted.
The working principle of the present embodiment is:
Before starting test, user successively lights two light beams, detects two light beams respectively in two pole of silicon light by sample circuit
Light intensity on pipe 18, is denoted as I respectivelyBAnd IR.Then, staff is made using capillarity far from blood is sucked in shade guide teeth
It obtains blood and is uniformly covered with entire shade guide teeth, then shade guide teeth is put into the slot 131 on objective table 13.
After shade guide teeth is mounted in slot 131 and objective table 13 is pushed completely into installation cavity 3 by user, objective table 13 will
The optical chopper 14 on transmission component pedestal 8 is pushed against under the action of damper 20, so that dual-wavelength LEDs light source 11, loophole
132, blood sample region and silicon photo diode 18 are aligned just on shade guide teeth.At this point, making dual-wavelength LEDs light source 11
The tube bank of two kinds of wavelength is issued again, and two light beams are successively transmitted from the window of shade guide teeth；Because hemoglobin concentration difference is led
Cause it different to the transmitance of light, two light beams also change therewith through the light intensity of shade guide teeth.
The light intensity after the transmission of two light beams is detected by sample circuit, is denoted as I respectivelyB' and IR'；The then respective transmission of two light beams
Rate is respectively as follows:
TB=IB’/IB
TR=IR’/IR
TBFor the transmissivity of A wavelength, TRFor the transmissivity of B wavelength.
The transmitance ratio of the two are as follows: A=TB/TR
Bring A value into formula: ρ=a*A+b
Coefficient a and b in the formula are ρ the and A values for first measuring different hemoglobin concentrations, then are done linear regression
Obtained from；In this way, the concentration of hemoglobin in blood can be determined, testing result is directly in OLED display screen
It is shown on 4.
When carrying out hemoglobin concentration detection using the hemoglobin detector, be free of in disposable miniature shade guide teeth
Any noxious material and chemical substance, does not chemically react with blood, but simple optic test, therefore the testing time
Short, the holding time of shade guide teeth is long, and stability is preferable.Also, the light of traditional Single wavelength is replaced using dual-wavelength LEDs light source 11
Source cooperates sample circuit, realizes that hemoglobin concentration detects automatically, not only extremely easy to use, but also can effectively ensure that blood red
The accuracy of protein concentration testing result.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of hemoglobin detector, which is characterized in that including objective table (13), the side of the objective table (13), which is equipped with, to be used
In the slot (131) for being embedded shade guide teeth；
Run through on the objective table (13) and offer loophole (132), on loophole (132) the face shade guide teeth where blood
Region, side also face loophole (132) of the objective table (13) away from slot (131) are provided with dual-wavelength LEDs light source
(11)；
The hemoglobin detector further includes sample circuit, and the sample circuit includes light-receiving device, the light-receiving device fixed setting
Deviate from the side of dual-wavelength LEDs light source (11), and the light-receiving device face loophole (132) in objective table (13).
2. hemoglobin detector according to claim 1, which is characterized in that the light-receiving device is silicon photo diode
(18)。
3. hemoglobin detector according to claim 1, which is characterized in that the hemoglobin detector further includes in can
Dismantle the hemoglobin bottom case (2) and hemoglobin panel (1) of setting, the hemoglobin bottom case (2) and hemoglobin panel
(1) installation cavity (3) are formed between；
The hemoglobin bottom case (2) is fixed with transmission component pedestal (8), the loading close to hemoglobin panel (1) side
Platform (13) sliding is set on transmission component pedestal (8), and side of the installation cavity (3) in objective table (13) glide direction
It is provided with the drawing hole (31) skidded off for position where slot (131) on objective table (13)；
The dual-wavelength LEDs light source (11) is fixed on transmission component pedestal (8), also removable on the transmission component pedestal (8)
Unload the transmission component upper cover (16) being provided with for installing light-receiving device, the objective table (13) be located at transmission component pedestal (8) with
Between transmission component upper cover (16)；When the objective table (13) is shunk in installation cavity (3) completely, the dual-wavelength LEDs light
Source (11) and the equal face loophole (132) of light-receiving device.
4. hemoglobin detector according to claim 3, which is characterized in that horizontal on the transmission component pedestal (8)
It is fixed with sliding axle (9), sliding axle (9) level wears objective table (13) and forms sliding connection with objective table (13).
5. hemoglobin detector according to claim 3, which is characterized in that the transmission component pedestal (8) is remote at it
Side from drawing hole (31) is equipped with optical chopper (14), the objective table (13) close to optical chopper (14) side one at
Type has the block (134) for controlling optical chopper (14) on off operating mode；The optical chopper (14) and dual-wavelength LEDs light source
(11) it electrically connects.
6. the hemoglobin detector according to any one of claim 3-5, which is characterized in that the objective table (13) is wide
The side in direction is spent integrally formed with platform (135) are abutted, and is additionally provided with damper (20) on the hemoglobin bottom case (2)；?
In objective table (13) motion process, the damper (20) keeps abutting with platform (135) are abutted, and the damper (20) is to supporting
The active force of consecutive (135) hinders objective table (13) to skid off drawing hole (31).
7. hemoglobin detector according to claim 6, which is characterized in that the damper (20) includes hinged setting
In being connected with tension spring (202), the tension spring on the motion bar (201) on transmission component upper cover (16), the motion bar (201)
(202) one end far from motion bar (201) is connected on transmission component upper cover (16)；In objective table (13) any position, institute
It states tension spring (202) and drives the lower end of motion bar (201) to push against the upper surface of abutting platform (135) pulling force of motion bar (201).
8. hemoglobin detector according to claim 7, which is characterized in that abutting platform (135) upper surface is flat
Sliding curved surface, and the lower end rotation of the motion bar (201) is provided with micro rolling ball bearing (203)；The motion bar (201) passes through micro-
Type ball bearing (203) keeps abutting with platform (135) upper surface is abutted.
9. hemoglobin detector according to claim 1, which is characterized in that the sample circuit is electrically connected with OLED
Display screen (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822090530.6U CN209416915U (en) | 2018-12-12 | 2018-12-12 | Hemoglobin detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822090530.6U CN209416915U (en) | 2018-12-12 | 2018-12-12 | Hemoglobin detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209416915U true CN209416915U (en) | 2019-09-20 |
Family
ID=67937917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822090530.6U Active CN209416915U (en) | 2018-12-12 | 2018-12-12 | Hemoglobin detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209416915U (en) |
-
2018
- 2018-12-12 CN CN201822090530.6U patent/CN209416915U/en active Active
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