CN205625932U - Nail growth detector - Google Patents
Nail growth detector Download PDFInfo
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- CN205625932U CN205625932U CN201620009879.0U CN201620009879U CN205625932U CN 205625932 U CN205625932 U CN 205625932U CN 201620009879 U CN201620009879 U CN 201620009879U CN 205625932 U CN205625932 U CN 205625932U
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Abstract
The utility model provides a nail growth detector, this detector includes: a fixing device, image acquisition device and image analyzing device for correcting the volume of awaiting measuring finger gesture. The neighbouring fixing device of image acquisition device sets up, and image acquisition device and image analyzing device data communication are connected. Image acquisition device is constructed into, and the collection is fixed places in the finger image of fixing device's the volume of awaiting measuring finger to to point the image sends for image analyzing device. Image analyzing device is constructed to be acquireed the datum point and transports moving point from the finger image to calculate the distance between datum point and the fortune moving point, obtain the measured value.
Description
Technical field
This utility model relates to field of medical device, in particular to a kind of nail growth detector.
Background technology
Fingernail is the appendages of skin of specialization, has fixing form, the constant direction of growth and the speed of growth.Nail growth depends on continuous proliferation and the keratinization of nail matrix keratinocyte, belongs to early response organization.The radiation reaction of fingernail be can be observed in a short time after radio exposure.Change after comparison fingernail pre-irradiation, the particularly change of the speed of growth, should be able to be to patient's normal structure, particularly early the sensitivity of response organization is made prediction.At present, nail growth is many measures using slide gauge as instrument.Finger selects two and measures point, utilize the distance between vernier caliper measurement 2, after separated in time, again measure two distances measured between point.Then, by data statistics, the acquisition nail growth speed of growth in above-mentioned time interval is analyzed.Fingernail growth rate before the Fingernail growth rate of patient is after radiotherapy considerably slower than radiotherapy, then can be as patient's reference to the sensitivity of radiotherapy, thus the radiotherapy to patient is assessed in advance.But, there is poor repeatability by the method for artificial slide gauge vehicle unguish, the data difference between homogeneous is measured is big, and the problem such as test speed is slow.
Utility model content
The purpose of this utility model is to provide a kind of nail growth detector, can improve accuracy and measurement efficiency that fingernail is measured.
Another object of the present utility model is to provide a kind of nail growth detection method, and detection method step is simple, measurement effect good for this.
This utility model is achieved in that
A kind of nail growth detector, including: for correcting the fixing device of finger gesture to be measured, image acquiring device and image analysis apparatus, image acquiring device is arranged adjacent to fixing device, and image acquiring device is connected with image analysis apparatus data communication；Image acquiring device is configured to gather fixed placement in the finger-image of the finger to be measured of fixing device, and finger-image is sent to image analysis apparatus；Image analysis apparatus is configured to from finger-image obtain datum mark and motor point, and calculates the distance between datum mark and motor point, obtains measured value.
Preferably, image analysis apparatus also includes: data memory module and data analysis module, data memory module storage measured value and the measurement time of corresponding measured value, data analysis module obtains measured value and the measurement time of corresponding measured value from data memory module, and according to measured value and the Growth rate of fingernail of measurement Time Calculation finger to be measured.
Data memory module and data analysis module cooperation measure, such that it is able to the speed of growth of fingernail in calculating certain period of time, reduce the complicated processes of artificial treatment data, improve the automatization of nail growth detection, raising detection efficiency.
Preferably, fixing device includes that testboard, testboard are provided with the multiple attitude control points for contacting with finger to be measured.
Testboard is used for placing finger to be measured, is fixed the attitude of finger by attitude control point simultaneously, it is to avoid when measuring, the attitude of finger is inconsistent every time, it is ensured that the accuracy of measurement structure and concordance.
Preferably, fixing device also includes: multiple pressure transducers, and multiple pressure transducers are respectively arranged at multiple attitude control point.
Pressure transducer can obtain pressure signal accurately and rapidly, such that it is able to be easier to the situation that contacts differentiating finger with attitude control point, improves speed and the degree of accuracy of the rectification of the attitude to finger to be measured.
Preferably, nail growth detector also includes protective cover, and image acquiring device is arranged at the top of fixing device and is arranged in protective cover, and protective cover is provided with viewfinder window, and image acquiring device gathers the finger-image of finger to be measured by viewfinder window.
Image acquiring device is arranged in protective cover so that it is is protected from being affected by external world's collision, scratch etc., thus improves the use hands life-span of image acquiring device, improves the anti-tampering ability of image acquiring device simultaneously.
Preferably, nail growth detector also includes the monitor screen for showing finger-image, and monitor screen is arranged at protective cover outer wall, and monitor screen is connected with image acquiring device data communication.
Monitor screen can monitor finger photograph, can obtain focusing situation from finger photograph, thus the acquisition of finger photograph is more quick, and the definition of finger photograph is higher simultaneously.
Preferably, nail growth detector also includes lifting platform, and protective cover is connected with testboard by lifting platform.
By the distance between lifting platform adjustable protective cover and testboard, then finger to be measured is taken pictures more flexible by image acquiring device, can freely regulate focusing, in order to improve the definition of the finger photograph of shooting.
Preferably, lifting platform includes fixed arm, lifting arm, turn-knob and tooth bar, and turn-knob engages with tooth bar, and fixed arm is connected with testboard, and lifting arm is connected with protective cover；
Turn-knob rotates and is arranged at fixed arm, and tooth bar is fixed on lifting arm, and fixed arm is provided with lifting groove, and the tooth bar of lifting arm is selective and lifts slot fit.
The rotational motion of rotation is converted into the linear motion of tooth bar by lifting platform by the engagement of turn-knob and tooth bar, makes lifting arm ascending, descending campaign in lifting groove, thus realizes regulating the distance between protective cover and testboard, in order to the focus operation of image acquiring device.
Preferably, fixing device also includes slipmat, and slipmat is arranged at testboard and deviates from the one side of attitude control point.
The arranging of slipmat can improve testboard and the frictional force placed between nail growth detector desktop, thus avoids the situation occurring nail growth detector to fall.
Preferably, slipmat deviates from the one side of testboard and arranges projection.
Projection can further improve the frictional force effect between slipmat and desktop, improves the skidproof effect of slipmat.
The beneficial effect of such scheme:
The nail growth detector of this utility model embodiment can obtain the distance on finger between two points to be measured accurately and rapidly.Compared to the existing mode utilizing slide gauge to measure, measurement difficulty can be greatly simplified, improve certainty of measurement.Use detector to realize the measurement of automatization, difficulty and labor intensity that fingernail is measured can be reduced, improve and measure work efficiency.Additionally, can correct the attitude of finger to be measured before measuring, then, when carrying out that homogeneous is not measured, the benchmark of measurement is the same, thus avoids and cause makeing mistakes or problem that error is greatly increased of measurement data owing to the attitude of finger is inconsistent.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, the accompanying drawing used required in embodiment will be briefly described below, it is to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope it is not construed as, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
The theory diagram of the nail growth detector that Fig. 1 provides for this utility model embodiment 1；
The structural representation of the fixing device in the nail growth detector that Fig. 2 provides for this utility model embodiment 1；
The nail growth detector that utilizes that Fig. 3 provides for this utility model embodiment 1 carries out the principle schematic of fingernail measurement remote holder fingering line flag；
The theory diagram of the nail growth detector that Fig. 4 provides for this utility model embodiment 2；
The schematic side view of the nail growth detector that Fig. 5 provides for this utility model embodiment 3；
The schematic front view of the nail growth detector that Fig. 6 provides for this utility model embodiment 3；
Fig. 7 shows pressure transducer position relative with the attitude control point schematic top plan view in the nail growth detector that this utility model embodiment 3 provides；
The structural representation of the lifting arm in the nail growth detector that Fig. 8 provides for this utility model embodiment 3；
The structural representation of the fixed arm in the nail growth detector that Fig. 9 provides for this utility model embodiment 3；
Figure 10 is the assembled state schematic diagram of the lifting arm in Fig. 8, Fig. 9 and fixed arm.
Description of reference numerals
Image acquiring device 101；Image analysis apparatus 102；Fixing device 103；
Data analysis module 104；Data memory module 105；Testboard 301；
Protective cover 302；Lifting platform 303；Attitude control point 401；Pressure transducer 402；
Groove 403；Monitor screen 502；Viewfinder window 503；Lifting arm 601；Tooth bar 602；
Fixed arm 603；Lifting groove 604；Turn-knob 605；Fixed pedestal 701；
Fixed mesa 702.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model rather than whole embodiments.Generally can with various different configurations arrange and design with the assembly of this utility model embodiment that illustrate described in accompanying drawing herein.Therefore, the detailed description to the embodiment of the present utility model provided in the accompanying drawings is not intended to limit claimed scope of the present utility model below, but is merely representative of selected embodiment of the present utility model.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
It should also be noted that similar label and letter represent similar terms in following accompanying drawing, therefore, the most a certain Xiang Yi accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " level ", " interior ", " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation usually put or position relationship when using, it is for only for ease of description this utility model and simplifies description, rather than instruction or the device of hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " is arranged ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.
Fingernail, as the adnexa of skin, has oneself independent physiological system, maintains deck continued propagation, keeps the stable state of system.From the point of view of the genetis method of fingernail and the speciality of continuous updating, fingernail should be early response organization.Research shows, the scattered dose impact on Fingernail growth rate in Patients During Radiotherapy, utilizes Fingernail growth rate can assess normal structure radiosensitivity.The measurement of existing fingernail is by measuring with slide gauge for instrument.
In view of this, utility model people proposes a kind of instrument that can realize measurement fingernail quick, easy, accurate.
Embodiment 1
Refering to Fig. 1, present embodiments provide a kind of nail growth detector 100, including: for correcting the fixing device 103 of finger gesture to be measured, image acquiring device 101 and image analysis apparatus 102.
Fixing device 103 includes fixed pedestal 701 and fixed mesa 702, and fixed mesa 702 is fixed on fixed pedestal 701, and during test, finger to be measured is positioned over fixed mesa 702, refering to Fig. 2.Image acquiring device 101 is arranged adjacent to fixing device 103, in order to gathers fixed placement and may be disposed at the top of fixed mesa 702 in the finger-image of the finger to be measured of fixing device 103, such as image acquiring device 101.Image acquiring device 101 is connected with image analysis apparatus 102 data communication.Image acquiring device 101 is configured to gather the finger-image measuring finger, and finger-image is sent to image analysis apparatus 102.Image analysis apparatus 102 is configured to obtain the datum mark in finger-image and motor point the distance calculating between datum mark and motor point, obtains measured value.
Before carrying out the measurements, finger selects two points, as measuring basis, the upgrowth situation of fingernail is measured using these 2.Two following method choice of point of above-mentioned selection:
Refering to Fig. 3, the obvious skinfold of joint and finger center line cross point are reference point and make cross mark to select latter end to refer to, are defined as A point.Portraying a horizontal line with needle point at upper first skin (at skin and deck continuity) far-end about 0.2cm, it is defined as B point with the intersection point of finger center line, and makees cross mark.Measure the distance between A, B, be defined as d0.Along with the growth of fingernail, B point position with nail growth to fingernail distal migration.Remeasure the distance between A, B over time, be defined as dx.Growth rate of fingernail is defined as (dx-d0)/t, and t is the time interval between twice measurement.Wherein, A point is relatively fixed for its position of same finger of same individuality, and the B point point that to be nail growth representative, along with the growth of fingernail, the position of B point can be gradually distance from A point.Therefore, the upgrowth situation of fingernail can be obtained by measuring the distance between A, B at 2.
The method measuring nail growth of nail growth detector 100 is as follows:
First, by the attitude of fixing device 103 fixed finger.
Secondly, shot by image acquiring device 101 opponent's fingering row, it is thus achieved that finger-image, and the finger-image of acquisition is sent to image analysis apparatus 102.
Again, image analysis apparatus 102 gathers A, B 2 point from finger-image, and calculates the distance between 2.
Image acquisition A, the mode of B 2 have multiple, such as, A, B are labeled as can there be color dot with skin color is clearly distinguished from out at 2, and by manually having color dot to find by two, recycling graphics process calculates two distances having between color dot.
Or, directly use PaintShop, analyze the point in finger-image with obvious colouring discrimination, finding two has color dot, and then calculates two distances having between color dot.I.e. by the color characteristic of finger-image, by identifying skinfold, using specific gauffer as reference measurement, it is thus achieved that have the point of marked feature, to identify characteristic point (two have color dot), and then carry out the mensuration of distance.
Further, it is also possible to A, B 2 are set to regular figure, image analysis apparatus 102 finds the distance between two regular figures, and then acquisition 2 by image procossing.I.e. by the shape facility of finger-image, it is thus achieved that have the point of marked feature, to identify characteristic point (two regular figures), and then carry out the mensuration of distance.
The upgrowth situation at a certain special time of fingernail can be obtained by above-mentioned steps.When needing to obtain the fingernail speed of growth in the time interval specified, it is only necessary to carry out one-shot measurement again and obtain the spacing of A, B.By the distance between A, B point of two-sided measurement divided by above-mentioned time interval, thus obtain the fingernail speed of growth in this time interval, i.e. growth length in the unit interval.
Embodiment 2
Refering to Fig. 4, present embodiments provide a kind of nail growth detector 100a, including: for correcting the fixing device 103 of finger gesture to be measured, image acquiring device 101 and image analysis apparatus 102.
The fixing device of the present embodiment provides the fixture structure in your nail growth detector 100a identical, refering to Fig. 2 with embodiment 1.Fixing device 103 includes fixed pedestal 701 and fixed mesa 702, and fixed mesa 702 is fixed on fixed pedestal 701, and during test, finger to be measured is positioned over fixed mesa 702.Image acquiring device 101 is arranged adjacent to fixing device 103, in order to gather fixed placement in the finger-image of the finger to be measured of fixing device 103.Specifically, image acquiring device 101 may be disposed at the top of fixed mesa 702.Image acquiring device 101 is arranged at above fixed mesa, and image acquiring device 101 is connected with image analysis apparatus 102 data communication.Image acquiring device 101 gathers the finger-image measuring finger, and finger-image is sent to image analysis apparatus 102.Image analysis apparatus 102 obtains the datum mark in finger-image and motor point the distance calculating between datum mark and motor point, obtains measured value.
In order to realize automatization and the judicial convenience that fingernail is measured, image analysis apparatus 102 is additionally provided with data memory module 105 and data analysis module 104.Data memory module 105 is for storing measured value and the measurement time corresponding to measured value；Data analysis module 104 obtains measured value and the measurement time corresponding to measured value from data memory module 105, and according to the Growth rate of fingernail of finger to be measured described in described measured value and described measurement Time Calculation.
Specifically, data memory module 105 stores the measured value of front one-shot measurement and corresponds to the measurement time of front one-shot measurement.Data analysis module 104 obtains previous measured value from data memory module 105, and calculates the measured value of front one-shot measurement and the difference between the measured value of previous measurement, obtains measured value difference.Data analysis module 104 obtains the measurement time of front one-shot measurement from data memory module 105, and calculates the time of measuring of front one-shot measurement and the difference between the measurement time of previous measurement, obtains measuring time difference.Data analysis module 104 calculates above-mentioned measured value difference and measures the ratio of time difference, to obtain Growth rate of fingernail.
Afterwards, can select or not select will to store when the measured value of previous measurement is sent to data memory module 105, and cover the measured value of front one-shot measurement；To store when the measurement time of previous measurement is sent to data memory module 105 simultaneously, and cover the measurement time of front one-shot measurement.
In said process, data memory module only stores the measured value of one-shot measurement and corresponds to the measurement time of this measurement, utilizes the measured value of adjacent twice measurement and measures the speed of growth of Time Calculation fingernail.Additionally, data memory module 105 can store the measured value of repetitive measurement and the measurement time of correspondence thereof.Data analysis module 104 can select measured value and the measurement time of any one-shot measurement from data memory module 105, then calculates with measured value and the measurement time when pre-test, obtains the speed of growth of fingernail.
Before fingernail is measured, on finger, mark A, B 2 point according to the method described in embodiment one, then according to following methods measures:
First, by the attitude of fixing device 103 fixed finger.
Secondly, shot by image acquiring device 101 opponent's fingering row, it is thus achieved that finger-image, and the finger-image of acquisition is sent to image analysis apparatus 102.
Again, image analysis apparatus 102 gathers A, B 2 point from finger-image, and calculates the distance between 2, obtains measured value.
The distance that image analysis apparatus 102 calculates between this A, B 2 obtains measured value, and then data memory module 105 stores this measured value and the measurement time corresponding to this measured value.When measuring next time, measure the distance between A, B at 2 according to above-mentioned step, obtain when the measured value of previous measurement.Data analysis module 104 obtains measured value and the measurement time of correspondence thereof of front one-shot measurement from data memory module 105.Data analysis module 104 is when the measured value of previous measurement and the time of measuring of correspondence thereof, to should measurement time of measured value.Data analysis module 104 calculates the measured value of front one-shot measurement and difference, the measurement time of the front one-shot measurement of calculating and the difference of the measurement time when previous measurement between the measured value of previous measurement, then calculate the difference of above-mentioned measured value and the ratio of the difference of the time of measurement, thus obtain Growth rate of fingernail.
Embodiment three
Refering to Fig. 5 to Figure 10, present embodiments provide a kind of nail growth detector 100c, including: for correcting the fixing device 103 of finger gesture to be measured, image acquiring device 101 and image analysis apparatus 102, image acquiring device 101 is arranged adjacent to fixing device 103, and image acquiring device 101 is connected with image analysis apparatus 102 data communication.Image acquiring device 101 gathers the finger-image measuring finger, and finger-image is sent to image analysis apparatus 102.Image analysis apparatus 102 obtains the datum mark in finger-image and motor point the distance calculating between datum mark and motor point, obtains measured value.
Wherein, fixing device 103 includes that testboard 301 and slipmat, testboard 301 surface configuration have multiple attitude control point 401.Slipmat fits in testboard 301 and deviates from the one side of attitude control point 401, and slipmat deviates from the one side of testboard 301 and is additionally provided with projection.
When measuring, finger contacts with attitude control point 401, in order to make the attitude of finger keep fixing.Further, testboard 301 also includes: pressure transducer 402, and pressure transducer 402 is arranged at attitude control point 401.When finger contacts with attitude control point 401, finger to pressure transducer 402, thus can accurately judge whether finger contacts with attitude control point 401 to the pressure transmission of attitude control point 401, it is achieved to finger gesture quick, accurately control.It is arranged in palm shaped groove 403 it is preferred that testboard 301 is provided with palm shaped groove 403, attitude control point 401 and pressure transducer 402.During measurement, palm is placed directly in palm groove 403, thus the movement to palm limits, then is limited finger gesture by attitude control point 401 and pressure transducer 402, and then is greatly improved fixed efficiency and the stability of finger gesture.
The difference using environment of nail growth detector, then the placement location of nail growth detector is also not quite similar, when it puts the surface being smoother or inclination, owing to extraneous impact or vibrations may result in the situation about even damaging that drops.Slipmat can increase the frictional force between testboard and desktop, and the projection of its surface configuration can improve skidproof effect further to increase friction.Slipmat can be connected with testboard in the way of using glue bonding or utilizing bolt fixing.The projection on slipmat surface can be the various shapes such as taper, hemispherical or cube, can select as required to arrange.Slipmat can also use the materials such as rubber, plastics, resin to be made, to improve the wear-resistant and anti-vertical impact capacity of testboard.
Image acquiring device 101 can use camera or scanner, and its camera head is positioned at the top of testboard 301, is right against finger to be captured.Image acquiring device 101 will obtain finger-image and pass through tie line, be sent to image analysis apparatus 102 such as USB data line, WiFi communication, Bluetooth communication, infrared communication, near-field communication technology etc..Image analysis apparatus 102 can use the device such as desktop computer, PLC to process finger-image.
Obtain the accuracy of finger-image to improve image acquiring device 101, nail growth detector 100c is additionally provided with protective cover 302, and image acquiring device 101 is arranged in protective cover 302.Protective cover 302 is provided with the pick-up lens of viewfinder window 503, camera or scanner can gather the finger-image of finger to be measured by viewfinder window 503.
Needs based on focusing, the distance between protective cover 302 and testboard 301 is adjustable.Additionally, nail growth detector 100c is additionally provided with monitor screen 502, monitor screen 502 is arranged at protective cover 302 outer wall, and monitor screen 502 is connected with image acquiring device 101 data communication, and monitor screen 502 can show finger-image.By the distance between regulation protective cover 302 and testboard 301, thus regulate the distance between image acquiring device 101 and finger and realize focusing.Meanwhile, monitor screen 502 shows finger-image during focusing in real time, can be differentiated the cleaning degree of finger-image by monitor screen 502, thus complete clear, the Quick Acquisition of finger orientation.
As a kind of implementation, nail growth detector 100c is provided with lifting platform 303, and protective cover 302 is connected with testboard 301 by lifting platform 303.Lifting platform 303 includes fixed arm 603, lifting arm 601, turn-knob 605 and tooth bar 602.Turn-knob 605 engages with tooth bar 602, and fixed arm 603 is connected with testboard 301, and lifting arm 601 is connected with protective cover 302.Turn-knob 605 rotates and is arranged at fixed arm 603, and tooth bar 602 is fixed on lifting arm 601, and fixed arm 603 is provided with lifting groove 604, and lifting arm 601 is provided with one end liftable of tooth bar 602 and is located in lifting groove 604.By turn-knob 605 and the matching of tooth bar 602, the circular-rotation of turn-knob 605 is converted into the linear motion of tooth bar 602, thus realizes the regulation of the spacing of protective cover 302 and test desk.It is preferred that turn-knob 605 is connected with motor by reductor, rotated by motor-driven turn-knob 605, and then drive the lifting of protective cover 302.As another kind of implementation, lifting platform 303 can use hydraulic cylinder, and the sleeve of hydraulic stem is fixing with testboard 301 to be connected, and the piston rod of hydraulic cylinder is connected with protective cover 302.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. a nail growth detector, it is characterized in that, including: for correcting the fixing device of finger gesture to be measured, image acquiring device and image analysis apparatus, described image acquiring device is arranged adjacent to described fixing device, and described image acquiring device is connected with described image analysis apparatus data communication；Described image acquiring device is configured to gather fixed placement in the finger-image of the finger described to be measured of described fixing device, and described finger-image is sent to described image analysis apparatus；Described image analysis apparatus is configured to from described finger-image obtain datum mark and motor point, and calculates the distance between described datum mark and described motor point, obtains measured value.
Nail growth detector the most according to claim 1, it is characterized in that, described image analysis apparatus also includes: data memory module and data analysis module, described data memory module stores described measured value and the measurement time of the described measured value of correspondence, described data analysis module obtains described measured value and the described measurement time of the described measured value of correspondence from described data memory module, and according to the Growth rate of fingernail of finger to be measured described in described measured value and described measurement Time Calculation.
Nail growth detector the most according to claim 1, it is characterised in that described fixing device includes that testboard, described testboard are provided with the multiple attitude control points for contacting with described finger to be measured.
Nail growth detector the most according to claim 3, it is characterised in that described fixing device also includes: multiple pressure transducers, the plurality of pressure transducer is respectively arranged at the plurality of attitude control point.
5. according to the nail growth detector described in claim 3 or 4; it is characterized in that; also include protective cover; described image acquiring device is arranged at the top of described fixing device and is arranged in described protective cover; described protective cover is provided with viewfinder window, and described image acquiring device gathers the described finger-image of described finger to be measured by described viewfinder window.
Nail growth detector the most according to claim 5, it is characterised in that also include the monitor screen for showing described finger-image, described monitor screen is arranged at described protective cover outer wall, and described monitor screen is connected with described image acquiring device data communication.
Nail growth detector the most according to claim 5, it is characterised in that also include lifting platform, described protective cover is connected with described testboard by described lifting platform.
Nail growth detector the most according to claim 7; it is characterized in that, described lifting platform includes that fixed arm, lifting arm, turn-knob and tooth bar, described turn-knob engage with described tooth bar; described fixed arm is connected with described testboard, and described lifting arm is connected with described protective cover；Described turn-knob rotates and is arranged at described fixed arm, and described tooth bar is fixed on described lifting arm, and described fixed arm is provided with lifting groove, and the described tooth bar of described lifting arm is selective with described lifting slot fit.
Nail growth detector the most according to claim 3, it is characterised in that described fixing device also includes that slipmat, described slipmat are arranged at described testboard and deviate from the one side of described attitude control point.
Nail growth detector the most according to claim 9, it is characterised in that described slipmat deviates from the one side of described testboard and arranges projection.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105816177A (en) * | 2016-01-07 | 2016-08-03 | 张石川 | Nail growth detector and detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105816177A (en) * | 2016-01-07 | 2016-08-03 | 张石川 | Nail growth detector and detection method |
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| GR01 | Patent grant |