CN206482575U - Spectrometer component, optical table, jaundice instrument main frame and jaundice detector - Google Patents
Spectrometer component, optical table, jaundice instrument main frame and jaundice detector Download PDFInfo
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- CN206482575U CN206482575U CN201621066448.4U CN201621066448U CN206482575U CN 206482575 U CN206482575 U CN 206482575U CN 201621066448 U CN201621066448 U CN 201621066448U CN 206482575 U CN206482575 U CN 206482575U
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- accommodating cavity
- spectrometer component
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Abstract
The utility model, which is related to a kind of spectrometer component, includes optically detecting probe, photoelectric detector, the first fixture, the second fixture and locking member, the optical signal that optically detecting is popped one's head in for collecting test probe transmission；Photoelectric detector is connected with optically detecting probe, for recognizing the optical signal of optically detecting probe output, and is handled；First fixture offers the positioning hole popped one's head in and matched with optically detecting；Second fixture has the accommodating cavity for being used for housing photoelectric detector, and the second fixture is further opened with allowing the loophole of optical signal transmission, and photoelectric detector is installed in the accommodating cavity body, and carries out optical signal transmission by loophole and optically detecting probe；Locking member is arranged in the first fixture and the second fixture, so that the first fixture is relatively fixed with second fixture；The positioning hole is aligned with the loophole and the accommodating cavity.A kind of optical table, jaundice instrument main frame and jaundice detector are also provided.
Description
Technical field
The utility model is related to technical field of biological, more particularly to spectrometer component, optical table, jaundice instrument master
Machine and jaundice detector.
Background technology
Jaundice is that hemoglobin in red blood cell decomposes the bilirubin produced and can not be discharged to biology due to some obstacles
In vitro, the bilirubin for causing blood to produce in hyperbilirubinemia, the blood of the hyperbilirubinemia is deposited on bio-tissue, makes
Bio-tissue is dyed to yellow and occurred.For prenatal child, because it utilizes placenta progress aerosolization
The efficiency for the aerosolization that efficiency Billy is carried out with lung is low, therefore for the oxygen covered the shortage, its erythrocyte number is than adult
It is many.The red blood cell that can be carried out after birth in lung's breathing, blood is excessive, and unnecessary red blood cell is decomposed.Therefore, the physiological phenomenon
Neonate is caused jaundice occur, the jaundice is referred to as icterus neonatorum.
Icterus neonatorum is changed into severe sometimes, there is the even life zone of the development to neonatal brain and carrys out great shadow
Loud danger.Therefore, find jaundice earlier and diagnoses and treatment is particularly important.And existing spectrometer is welded on by keeper
On board, the mode that daylighting probe is followed closely with tightening is fixed, but can not so ensure that the light beam of daylighting probe and spectrometer is coaxial, from
And influence testing result.
Utility model content
Based on this, it is necessary to for traditional spectrometer component can not ensure daylighting probe with spectrometer light beam asking coaxially
There is provided a kind of simple in construction and can guarantee that the daylighting probe spectrometer component coaxial with spectrometer light beam, optical table, jaundice for topic
Instrument main frame and jaundice detector.
A kind of spectrometer component, the spectrometer component includes：
Optically detecting is popped one's head in, the optical signal for transmission of being popped one's head in for collecting test；
Photoelectric detector, is connected with optically detecting probe, the light letter for recognizing the optically detecting probe output
Number, and handled；
First fixture, offers the positioning hole popped one's head in and matched with the optically detecting, to be popped one's head in the optically detecting
Positioning；
Second fixture, with the accommodating cavity for housing the photoelectric detector, second fixture is also opened up
There is the loophole for allowing optical signal transmission, the photoelectric detector is installed in the accommodating cavity body, and passes through the loophole
Optical signal transmission is carried out with optically detecting probe；And
Locking member, is arranged in first fixture and second fixture so that first fixture with it is described
Second fixture is relatively fixed；
Wherein, the positioning hole is aligned with the loophole and the accommodating cavity.
In a wherein embodiment, the center line and the accommodating cavity of the center line of the positioning hole and the loophole
Center line overlap.
In a wherein embodiment, first fixture includes location division and guide and limit portion, and the positioning hole is opened up
In the location division, the guide and limit portion is connected to the location division opposite sides, with enclosed with the location division set to be formed with
The mounting groove of the second fixture outline shape matching, second fixture is installed in the installation by the locking member
Groove.
In a wherein embodiment, first fixture also includes installation portion, and the installation portion is connected to the positioning
Portion one end, and towards side extension of the location division away from the guide and limit portion, the installation portion is further opened with the first peace
Fill hole.
In a wherein embodiment, first fixture also includes auxiliary section, and the auxiliary section is respectively arranged at two institutes
The one end in guide and limit portion is stated, and along the direction extension away from guide and limit portion described in two, the auxiliary section is further opened with second
Mounting hole.
In a wherein embodiment, second fixture includes main body and the receipts for housing the optically detecting probe
Appearance portion, the accommodating cavity body is formed at the main body, and including openend and the blind end relative with the openend, it is described
Unthreaded hole is opened in the blind end, and connects the accommodating cavity, and the resettlement section is arranged at the blind end and opened away from described
The side at mouth end, and it is surrounded on the loophole.
In a wherein embodiment, second fixture also includes clamping part, and the main body opposite sides has breach,
The clamping part extends from the indentations bottom towards the direction away from the resettlement section, and the photoelectric detector offers fixation
Hole, the clamping part is matched with the fixing hole, and the photoelectric detector is fixed on into the accommodating cavity.
A kind of optical table, including light supply apparatus, test probe and spectrometer component described above, the test probe with
The light supply apparatus connection, the optically detecting probe is connected with the test probe.
In a wherein embodiment, the optical table also includes the first optical fiber and the second optical fiber, and first optical fiber connects
The light supply apparatus and the test probe are connect, so that the optical signal that the light supply apparatus is sent is transmitted by first optical fiber
To the test probe, second optical fiber connects the test probe and popped one's head in the optically detecting, so that from the test
The optical signal reflected of popping one's head in is transmitted to the optically detecting by second optical fiber pops one's head in.
A kind of jaundice instrument main frame, including spectrometer component described above.
A kind of jaundice detector, including spectrometer component described above.
Above-mentioned spectrometer component, optical table, jaundice instrument main frame and jaundice detector, second is installed on by photoelectric detector
The accommodating cavity of fixture, optically detecting probe is positioned at the first fixture, and the first fixture and second is consolidated by locking member
Determine part to fix, and optically detecting probe is fixed between the first fixture and the second fixture simultaneously.Due to the positioning hole with
The loophole and accommodating cavity alignment, in this way, make that optically detecting pops one's head in enter luminous point and photoelectric detector enter luminous point realization
Coaxially, it is ensured that the reliability of beam Propagation, the accuracy of detection of jaundice instrument is improved.
Brief description of the drawings
Fig. 1 be the embodiment of the utility model one in spectrometer component structural representation.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can come real in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
The understanding for opening content is more thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
As shown in figure 1, the spectrometer component 10 in the embodiment of the utility model one, including optically detecting probe 12, light
Photodetector 14, the first fixture 16, the second fixture 18 and locking member 19.The spectrometer component 10 is installed in jaundice instrument main frame
Rear shell, and be connected with test probe, for the optical signal reflected by human body skin to be collected and handled.
Optically detecting probe 12 is used for the optical signal of collecting test probe transmission, the photoelectric detector 14 and optically detecting
Probe 12 is connected, and for recognizing the optical signal of the output of optically detecting probe 12, and is handled.Wherein, the photoelectric detector 14
12 optical signals exported that can be popped one's head in optically detecting carry out photoelectric conversion, enhanced processing and analog-to-digital conversion and handled, by optical signal
Corresponding digital data transmission is converted to master control borad, so as to be analyzed and be handled, and is associated with bilirubin concentration, most
The result of bilirubin concentration value is exported afterwards.
First fixture 16 offers the positioning hole (not shown) for 12 matchings of being popped one's head in optically detecting, to be adopted to the optics
Collection probe 12 is positioned.Second fixture 18 has the accommodating cavity 182 for being used for housing the photoelectric detector 14, second fixation
Part 18 is further opened with allowing the loophole (not shown) of optical signal transmission, and the photoelectric detector 14 is installed in accommodating cavity 182,
And optical signal transmission is carried out by the loophole and optically detecting probe 12.The locking member 19 wear first fixture 16 and
Second fixture 18, is relatively fixed both.
Wherein, the positioning hole is aligned with the loophole and the accommodating cavity 182.Specific in one embodiment, the positioning
The center line in hole is aligned with the center line of the center line of the loophole and the accommodating cavity 182
In an assembling process, photoelectric detector 14 is installed on to the accommodating cavity 182 of the second fixture 18, optically detecting is visited
First 12 are positioned at the first fixture 16, the first fixture 16 is fixed with the second fixture 18 by locking member 19, and by optics
Acquisition probe 12 is fixed between the first fixture 16 and the second fixture 18.Due to the center line and the loophole of the positioning hole
Center line and center line of the accommodating cavity 182 overlap, in this way, optically detecting is popped one's head in 12 enters luminous point and photoelectric detector
14 luminous point that enters is realized coaxially, it is ensured that the reliability of beam Propagation, improves the accuracy of detection of jaundice detector.
Specifically, optically detecting probe 12 is coupled with being connected with the optical fiber interface of optical fiber, consequently facilitating optical signal is defeated
Enter.The photoelectric detector 14 includes photoelectric switching circuit, discharge circuit and analog to digital conversion circuit, the photoelectric switching circuit and optics
Acquisition probe 12 is connected, for carrying out photoelectric conversion, and the discharge circuit is connected with the photoelectric switching circuit, for electric signal to be entered
Row amplification；The analog to digital conversion circuit is connected with discharge circuit, and the electric signal for discharge circuit to be exported carries out analog-to-digital conversion, just
Data processing is carried out in master control borad.
In operation, test probe is attached to human skin, and optical signal is irradiated into human body skin by test probe
Skin, skin absorbs the light wave of specific wavelength, and the light wave being reflected back is transmitted through the fiber at optically detecting probe 12, passes through optics
Optical signal is divided into blue light and green glow two-way, and carry out photoelectricity turn by optical signal transmission to photoelectric switching circuit by acquisition probe 12
Change.Because now signal is faint analog signal, after being amplified by discharge circuit, transmits to analog to digital conversion circuit and carry out
Analog-to-digital conversion, finally transmits to master control borad and carries out data processing.
Preferably, with continued reference to Fig. 1, first fixture 16 includes location division 162, and the positioning hole is opened in location division
162.In the present embodiment, the location division 162 is the location-plate close with the cross section size of the second fixture 18, and its center is opened up
There is foregoing positioning hole.Optically detecting probe 12 is positioned at the positioning hole, and can be coupled with optical fiber interface.
First fixture 16 also includes guide and limit portion 164, and it is relative that the guide and limit portion 164 is connected to location division 162
Both sides, the mounting groove 169 matched with the outline shape of the second fixture 18 is formed to enclose to set with location division 162.Second fixture
18 are installed in the mounting groove 169 by the locking member 19.In the present embodiment, the guide and limit portion 164 is guide and limit plate, is made by oneself
Position portion 162 is bent towards the side of location division 162 to be extended, width of the distance between the two guide and limit portions 164 with the second fixture 18
Degree matches, so that the second fixture 18 can be partially housed in the mounting groove 169, and is fixed by locking member 19.Specifically
Ground, the location division 162 is formed in one with guide and limit portion 164, i.e., one piece plate is formed by bending technique bending, the positioning
Via is offered in portion 162, the locking member 19 wears the via and is threadedly connected to the second fixture 18.
Preferably, first fixture 16 also includes installation portion 166, and the installation portion 166 is connected to the one end of location division 162,
And towards side extension of the location division 162 away from guide and limit portion 164, the installation portion 166 is further opened with the first mounting hole 1662.
In the present embodiment, the installation portion 166 is connected to one end of location division 162, i.e., upper end as shown in Figure 1 passes through what is opened up thereon
First mounting hole 1662, first fixture 16 is fixed in the rear shell of jaundice instrument main frame.
Preferably, it is further to increase the reliability that the spectrometer component 10 is connected to rear shell, first fixture 16 is also
Including auxiliary section 168, the auxiliary section 168 is respectively arranged at the one end in two guide and limit portions 164, and along away from two guide and limit portions
164 direction extension, the auxiliary section 168 is further opened with the second mounting hole 1682.In the present embodiment, as shown in figure 1, the auxiliary section
168 are arranged at the lower end in guide and limit portion 164, and second mounting hole 1682 is to be set on semicircle orifice, the rear shell of jaundice instrument main frame
There is locating dowel, screw one end presses on the auxiliary section 168, and the other end is threadedly connected to locating dowel and realizes fixation.In this way, first is solid
Determine the top and bottom of part 16, i.e., upper end as shown in Figure 1 and lower end are reliably connected at rear shell, it is ensured that the spectrometer group
The reliability that part 10 is installed.
Preferably, second fixture 18 includes main body 184 and the collecting of optically detecting probe 12 is positioned for housing
Portion 186, the accommodating cavity 182 is formed at the main body 184, and including openend (not shown) and relative with openend (not shown)
Blind end (not shown), the loophole is opened in the blind end, and connects the accommodating cavity 182, and the resettlement section 186 is arranged at
Side of the blind end away from the openend, and it is surrounded on the loophole.
In the present embodiment, the resettlement section 186 and the outline shape of optically detecting probe 12 match, and optically detecting is popped one's head in
12 when being positioned at positioning hole, circumferential also with support limit at it, so that ensure the reliability that optically detecting is fixed, Jin Erjin
One step ensure optically detecting probe 12 enter luminous point and photoelectric detector 14 to enter luminous point realization coaxial.The main body 184 is section
The shell-like structure matched with the cross sectional shape of photoelectric detector 14, to form foregoing accommodating cavity 182, the photoelectric detector 14
Insert and house from openend and be fixed in the accommodating cavity 182.
Preferably, second fixture 18 also includes clamping part 188, and the opposite sides of main body 184 has breach 1842, should
Clamping part 188 extends from the bottom of breach 1842 towards the direction away from resettlement section 186, and the photoelectric detector 14 offers fixing hole
(not shown), the clamping part 188 is matched with the fixing hole, and the photoelectric detector 14 is fixed on into the accommodating cavity 182.
In the present embodiment, the clamping part 188 includes grab cantilever 1882 and the connection that one end is connected to the bottom of breach 1842
In the hook portion 1884 of the other end of grab cantilever 1882, two hook portions 1884 are towards away from one another towards outer incline extension.Installing
During, hook portion 1884 is inserted into the fixing hole of photoelectric detector 14, because grab cantilever 1882 has certain elasticity,
When mounted, hook portion 1884 is compressed by the hole wall of fixing hole, then grab cantilever 1882 is drawn close inwardly, so that hook portion
1884 pass through the fixing hole.After hook portion 1884 passes through the fixing hole, photoelectric detector 14 is connected to the second fixture 18
The end of main body 184, grab cantilever 1882 recovers deformation, expands outwardly, so that hook portion 1884 is connected in fixing hole.
Based on above-mentioned spectrometer component 10, the utility model also provides a kind of optical table, and it includes light supply apparatus, survey
Probe header and above-mentioned spectrometer component 10.
The test probe is connected with light supply apparatus, and optically detecting probe 12 is connected with the test probe.Specifically, the light
Learning platform also includes the first optical fiber and the second optical fiber, and first optical fiber connects the light supply apparatus and test probe, so that light source is filled
Put the optical signal sent to transmit to test probe by the first optical fiber, the second optical fiber connecting test probe is popped one's head in optically detecting
12, so as to be transmitted from the optical signal that the test probe is reflected by the second optical fiber to optically detecting probe 12.
Based on above-mentioned optical table, the utility model also provides a kind of jaundice instrument main frame, before the jaundice instrument main frame includes
Shell component, rear shell component and electric supply installation.Front shell assemblies include fore shell, display screen and the master control being electrically connected with display screen
Plate, rear shell component includes rear shell and foregoing optical table.Wherein, fore shell and rear shell are two halves formula, and both mutually fasten to be formed
For housing display screen, master control borad, optical table, electric supply installation and the host cavity of test probe.
Specifically, fore shell is the unlimited hollow elongated rod shape in side, and its surface offers visual window, and its end lacks provided with preceding
Mouthful.Visual window is generally square in cross-section in this specific embodiment, display screen be arranged at it is on fore shell and corresponding with visual window, in order to
Read the measurement result being shown on display screen in family.Preceding breach is arranged at one end of fore shell extending direction and connected with its inner hollow
It is logical.
The shape of shell and the form fit of fore shell afterwards, the side that both are open to each other mutually are fastened, and to form above-mentioned to enclose
Host cavity.Shell and fore shell breach correspondence position of going forward are provided with rear breach afterwards, when fore shell and rear shell phase are mutually fastened, preceding breach and
Breach docks the perforation to be formed and be connected with inside afterwards.One end of test probe passes through the first optical fiber and the light supply apparatus of optical table
Electrical connection, the other end is exposed to outside main frame through perforation, to be detected with contact human skin.The photoelectric detector 14 can be inserted
Rise sheer from level ground and be connected with master control borad.
Wherein, the optical table also includes optical table fixture, and the optical table fixture offers screwed hole, the light
Source device is anchored on the screwed hole by screw, and the optical table fixture is further opened with via, the peace of first fixture 16
Dress portion 166 is fixedly connected on rear shell by the first mounting hole 1662 opened up thereon and the via.At the same time, the jaundice instrument
Locating dowel is provided with the rear shell of main frame, screw one end presses on foregoing auxiliary section 168, and the other end is threadedly connected to positioning
Post.In this way, optical table is fixed on into rear shell by the first fixture 16.
Based on above-mentioned jaundice instrument main frame, the utility model also provides a kind of jaundice detector, and the jaundice detector includes
Above-mentioned jaundice instrument main frame.
Above-mentioned spectrometer component 10, optical table, jaundice instrument main frame and jaundice detector, photoelectric detector 14 is installed on
The accommodating cavity 182 of second fixture 18, optically detecting probe 12 is positioned at the first fixture 16, makes first by locking member 19
Fixture 16 is fixed with the second fixture 18, and optically detecting probe 12 is fixed on into the first fixture 16 and the second fixture 18
Between.Because the center line of the positioning hole is overlapped with the center line of the center line of the loophole and the accommodating cavity 182, in this way,
Make optically detecting pop one's head in 12 enter luminous point and photoelectric detector 14 to enter luminous point realization coaxial, it is ensured that beam Propagation it is reliable
Property, improve the accuracy of detection of jaundice instrument.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (11)
1. a kind of spectrometer component, it is characterised in that the spectrometer component includes：
Optically detecting is popped one's head in, the optical signal for transmission of being popped one's head in for collecting test；
Photoelectric detector, is connected with optically detecting probe, the optical signal for recognizing the optically detecting probe output, and
Handled；
First fixture, offers the positioning hole popped one's head in and matched with the optically detecting, is positioned with being popped one's head in the optically detecting；
Second fixture, with the accommodating cavity for housing the photoelectric detector, second fixture is further opened with permitting
Perhaps the loophole of optical signal transmission, the photoelectric detector is installed in the accommodating cavity body, and passes through the loophole and institute
State optically detecting probe and carry out optical signal transmission；And
Locking member, is arranged in first fixture and second fixture, so that first fixture and described second
Fixture is relatively fixed；
Wherein, the positioning hole is aligned with the loophole and the accommodating cavity.
2. spectrometer component according to claim 1, it is characterised in that the center line of the positioning hole and the loophole
Center line and the accommodating cavity center line overlap.
3. spectrometer component according to claim 1 or 2, it is characterised in that first fixture include location division and
Guide and limit portion, the positioning hole is opened in the location division, and the guide and limit portion is connected to the location division opposite sides,
The mounting groove matched with the second fixture outline shape is formed to enclose to set with the location division, second fixture passes through
The locking member is installed in the mounting groove.
4. spectrometer component according to claim 3, it is characterised in that first fixture also includes installation portion, institute
State installation portion and be connected to described location division one end, and extend towards side of the location division away from the guide and limit portion, institute
State installation portion and be further opened with the first mounting hole.
5. spectrometer component according to claim 3, it is characterised in that first fixture also includes auxiliary section, institute
One end that auxiliary section is respectively arranged at guide and limit portion described in two is stated, and along the direction extension away from guide and limit portion described in two,
The auxiliary section is further opened with the second mounting hole.
6. spectrometer component according to claim 1 or 2, it is characterised in that second fixture includes main body and use
In the resettlement section for housing optically detecting probe, the accommodating cavity body is formed at the main body, and including openend and with institute
The relative blind end in openend is stated, the loophole is opened in the blind end, and connects the accommodating cavity, the resettlement section
Side of the blind end away from the openend is arranged at, and is surrounded on the loophole.
7. spectrometer component according to claim 6, it is characterised in that second fixture also includes clamping part, institute
Stating main body opposite sides has breach, and the clamping part extends from the indentations bottom towards the direction away from the resettlement section, institute
State photoelectric detector and offer fixing hole, the clamping part is matched with the fixing hole, the photoelectric detector is fixed on
The accommodating cavity.
8. a kind of optical table, it is characterised in that including light supply apparatus, test probe and such as claim 1~7 any one institute
The spectrometer component stated, the test probe is connected with the light supply apparatus, the optically detecting probe and the test probe
Connection.
9. optical table according to claim 8, it is characterised in that the optical table also includes the first optical fiber and second
Optical fiber, first optical fiber connects the light supply apparatus and the test probe, so that the optical signal that the light supply apparatus is sent
Transmitted by first optical fiber to the test probe, second optical fiber connects the test probe and the optically detecting
Probe, is visited so as to be transmitted from the optical signal that the test probe is reflected by second optical fiber to the optically detecting
Head.
10. a kind of jaundice instrument main frame, it is characterised in that including the spectrometer component as described in claim 1~7 any one.
11. a kind of jaundice detector, it is characterised in that including the spectrometer component as described in claim 1~7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621066448.4U CN206482575U (en) | 2016-09-20 | 2016-09-20 | Spectrometer component, optical table, jaundice instrument main frame and jaundice detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621066448.4U CN206482575U (en) | 2016-09-20 | 2016-09-20 | Spectrometer component, optical table, jaundice instrument main frame and jaundice detector |
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| Publication Number | Publication Date |
|---|---|
| CN206482575U true CN206482575U (en) | 2017-09-12 |
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| CN201621066448.4U Active CN206482575U (en) | 2016-09-20 | 2016-09-20 | Spectrometer component, optical table, jaundice instrument main frame and jaundice detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107928630A (en) * | 2017-12-05 | 2018-04-20 | 河北医科大学第三医院 | A kind of portable multi-function icterometer compared based on color |
-
2016
- 2016-09-20 CN CN201621066448.4U patent/CN206482575U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107928630A (en) * | 2017-12-05 | 2018-04-20 | 河北医科大学第三医院 | A kind of portable multi-function icterometer compared based on color |
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