CN113749643A - Portable limb edema volume electronic measuring scale - Google Patents
Portable limb edema volume electronic measuring scale Download PDFInfo
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- CN113749643A CN113749643A CN202010489543.XA CN202010489543A CN113749643A CN 113749643 A CN113749643 A CN 113749643A CN 202010489543 A CN202010489543 A CN 202010489543A CN 113749643 A CN113749643 A CN 113749643A
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- 208000014987 limb edema Diseases 0.000 title claims description 16
- 238000004364 calculation method Methods 0.000 claims abstract description 63
- 206010030113 Oedema Diseases 0.000 claims abstract description 61
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000013500 data storage Methods 0.000 claims abstract description 18
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 3
- 238000005259 measurement Methods 0.000 claims description 27
- 238000005192 partition Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 210000003414 extremity Anatomy 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000000691 measurement method Methods 0.000 description 6
- 210000003811 finger Anatomy 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000001364 upper extremity Anatomy 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010025282 Lymphoedema Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000011549 displacement method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 238000001566 impedance spectroscopy Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 208000002502 lymphedema Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1003—Measuring tapes characterised by structure or material; characterised by layout or indicia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1072—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring distances on the body, e.g. measuring length, height or thickness
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1073—Measuring volume, e.g. of limbs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1075—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions by non-invasive methods, e.g. for determining thickness of tissue layer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1005—Means for controlling winding or unwinding of tapes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1041—Measuring tapes characterised by casings
- G01B3/1046—Details of external structure thereof, e.g. shapes for ensuring firmer hold
- G01B3/1048—Integrated means for affixing or holding
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1056—Tape end arrangements, e.g. end-hooks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1061—Means for displaying or assisting reading of length measurement
- G01B3/1069—Electronic or mechanical display arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1084—Tapes combined with arrangements for functions other than measuring lengths
- G01B3/1094—Tapes combined with arrangements for functions other than measuring lengths for recording information or for performing calculations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1005—Means for controlling winding or unwinding of tapes
- G01B2003/1033—Means for activating the locking, braking or releasing of the tape, e.g. buttons
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- Health & Medical Sciences (AREA)
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Abstract
The invention discloses a portable electronic measuring scale for the edema volume of limbs, which comprises a shell, an electronic display screen and a USB interface, wherein a flexible rule strip and a clockwork spring are arranged in the shell, a rebound button is arranged outside the shell, a rule strip hole is arranged at one side of the shell, a rule head is arranged at the outer end of the flexible rule strip, and color scale marks are printed on the surface of the flexible rule strip; the shell comprises a handle part and a tape part which are communicated with each other, the flexible rule strip and the clockwork spring are positioned in the tape part, a photoelectric door sensor is arranged at the joint of the handle part and the tape part, and the front end of the photoelectric door sensor faces the flexible rule strip; the handle part is provided with an operation calculation keyboard, an electronic display screen, a control circuit board and a power supply module, the power supply module is provided with a rechargeable lithium battery, the control circuit board is provided with a data storage module, a microprocessor and a USB interface, and one side of the handle part is provided with a jack. The invention does not need to carry various tools such as a flexible rule, a calculator, a note book and a pen, has extremely simple and convenient operation process, and can quickly obtain the volume data of the edema part of the limb.
Description
Technical Field
The invention particularly relates to a portable electronic measuring scale for the edema volume of limbs.
Background
The causes of limb edema are divided into various types, physiological edema and pathological edema can be caused from the pathogenic causes, and at present, domestic researches on a measurement method of the volume of the limb edema are few, and the measurement methods mainly comprise a water displacement method, a Perometer measurement method, a bioelectrical impedance spectroscopy measurement method (Bioimpedance) and an arm circumference measurement method.
The water replacement method is a gold standard for measuring lymphedema, and has two modes, namely, a certain amount of water is put in a steel barrel with a specific size, then the limb is put in the barrel for a certain length, and the volume of the limb is calculated according to the height change of the water surface. The other method is to fill the container with water, directly measure the volume of the overflowed water after the limb is put into the container, or weigh the part of water and calculate the volume. However, the measurement method is too complicated, the equipment is not portable, the method is not suitable for patients with trauma on the upper limb, and cross infection is easily caused.
The Perometer measuring method is to utilize far infrared technology to identify the volume of limbs, and a movable frame is used to slowly and uniformly horizontally move to pass through the upper limbs extended forward by a patient, and parallel far infrared emitting devices are arranged around the inside of the frame, so that the volume of the limbs can be obtained by analyzing shadow parts blocked by the limbs. The method has the advantages of quick measurement volume, high precision, small operation error, better measurement efficiency than other tools, high cost and large equipment volume.
The arm circumference measuring method generally uses a flexible rule to measure the arm circumference and the length of a limb edema part, records measuring data through a paper pen, and then manually calculates the volume of the limb edema part through a circular area formula, a circumference formula and a truncated cone volume calculation formula, wherein the measuring result has a certain reference value.
Chinese patent application No. CN202361901U discloses an intelligent electronic tape measure which can be used to measure the circumference and length of limb edema and can display the measured data on a display screen, but still cannot obtain the volume data of the limb edema quickly.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a portable electronic limb edema volume measuring ruler to solve the problems that the existing limb edema part measuring mode needs to carry a plurality of tools and is inconvenient to operate and the volume data of the limb edema part cannot be obtained quickly.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a portable electronic measuring scale for the edema volume of limbs comprises a shell, an electronic display screen and a USB interface, wherein a soft ruler strip and a clockwork spring for winding the soft ruler strip are arranged in the shell, a rebound button for controlling the clockwork spring to wind the soft ruler strip is arranged outside the shell, a ruler strip hole for the soft ruler strip to pass through is formed in one side of the shell, a ruler head which cannot pass through the ruler strip hole is arranged at the outer end of the soft ruler strip, the ruler head is positioned outside the shell, and color scale lines are printed on the surface of the soft ruler strip; the shell comprises a handle part and a tape part which are communicated with each other, a flexible rule strip and a clockwork spring are positioned in the tape part, a photoelectric door sensor is arranged at the joint of the handle part and the tape part, and the front end of the photoelectric door sensor faces the flexible rule strip;
the device comprises a handle part, a photoelectric door sensor, an operation calculation keyboard, an electronic display screen, a control circuit board and a power module, wherein the operation calculation keyboard and the electronic display screen are used for calculating the volume of an edema part;
the electronic display screen comprises a data recording area for displaying recorded measuring data, a function display area for displaying a currently executed function, an electric quantity display area for displaying the residual electric quantity of the power supply module, and a measuring and calculating display area for displaying the current measuring data and calculating the process and the result of the edema volume;
the operation calculation keyboard is provided with a power switch button for starting or closing power supply of the power module, an arm circumference recording key I and an arm circumference recording key II for respectively recording circumferences of two ends of an edema part and displaying the circumferences in the data recording area, an arm length recording key for recording the length of the edema part and displaying the length in the data recording area, and a function selecting key for selecting a function program to be executed, wherein the function selecting key is stored in the data storage module and can select the function program to be executed, and the function program stored in the data storage module comprises a data measurement recording function, an edema volume automatic calculation function and a manual calculation function program.
Preferably, the edema volume automatic calculation function stored in the data storage module is used for calculating the volume of the edema part according to the formula
V＝h(L1 2+L2 2+L1L2)/12π
Wherein L is1、L2The circumferences of the two ends of the edema part are respectively, and h is the length of the edema part.
Preferably, the function selecting key comprises a middle key for entering the function selecting interface, and an up key and a down key for selecting the function program to be executed.
Preferably, a limiting pulley block is arranged in the tape portion of the shell and comprises a concave pulley and a convex pulley, the convex pulley and the concave pulley are matched with each other to clamp the flexible rule strip, and the limiting pulley block is located on the inner side of the rule strip hole.
Preferably, one side of the handle part of the shell is provided with a depressed area, the operation and calculation keyboard is positioned in the depressed area, and the surface of the operation and calculation keyboard does not protrude out of the handle part.
Preferably, a transparent partition is arranged on one surface of the handle part of the shell, the electronic display screen is fixed on the inner surface of the transparent partition, and the transparent partition and the operation and calculation keyboard are positioned on the same surface of the handle part of the shell.
Preferably, four inward-concave finger-holding positions are uniformly distributed on one side of the handle part of the shell, and the finger-holding positions and the insertion holes are positioned on the same side or two opposite sides.
Preferably, the rebound button is located in the middle of the outer face of the tape measure portion, and the control circuit board is fixed in the handle portion of the housing by screws.
Preferably, the model of the microprocessor is a CH376S chip.
The invention has the beneficial effects that:
1. the lower arm circumference recording key I, the arm circumference recording key II or the arm length recording key can quickly record the measurement data of the edema part, then the volume of the edema part can be quickly and automatically calculated through the edema volume automatic calculation function, a tape, a calculator, a note book and a pen are not required to be carried, the operation process is extremely simple and convenient, and the volume data of the limb edema part can be quickly obtained.
2. The calculation formula of the invention is that the formula V (V) (n) (pi h) (r) is calculated by the formula L (2 pi r) of the circumference and the formula V (V) (n) (r) is calculated by the volume of the truncated cone1 2+r2 2+r1r2) And/3, the calculation process of the circle radius is omitted, the calculation step is simplified, and the volume data of the edema part can be quickly obtained even through manual calculation according to the calculation formula.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic block diagram of the circuit of the present invention;
fig. 4 is a circuit diagram of the chip CH 376S.
Wherein: 1. a tape measure section; 11. a rebound button; 12. a ruler hole; 13. a soft ruler strip; 14. a ruler head; 15. a clockwork spring; 16. a limiting pulley block; 161. a concave pulley; 162. a convex pulley; 2. a handle portion; 3. a housing; 31. a USB interface; 32. a control circuit board; 33. mounting a boss; 34. a recess; 35. narrowing the section; 36. a photogate sensor; 37. a data storage module; 38. a microprocessor; 39. a finger grasping position; 310. a power supply module; 311. a jack; 4. a recessed region; 5. operating a computing keyboard; 51. a power switch button; 52. an arm circumference recording key I; 53. an arm circumference recording key II; 54. an arm length recording key; 55. a function selection key; 6. a transparent partition; 7. an electronic display screen; 71. a data recording area; 72. a function display area; 73. an electric quantity display area; 74. and measuring a calculation display area.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings.
Referring to fig. 1-4, the embodiment provides a portable electronic limb edema volume measuring ruler, which comprises a casing 3, an electronic display screen 7 and a USB interface 31, wherein a flexible rule strip 13 and a clockwork spring 15 for winding the flexible rule strip 13 are arranged in the casing 3, a rebound button 2 for controlling the clockwork spring 15 to wind the flexible rule strip 13 is arranged outside the casing 3, a rule strip hole 12 for allowing the flexible rule strip 13 to pass through is formed in one side of the casing 3, a rule head 14 which cannot pass through the rule strip hole 12 is arranged at the outer end of the flexible rule strip 13, the rule head 14 is positioned outside the casing 3, and color scale marks are printed on the surface of the flexible rule strip 13; the shell 3 comprises a handle part 2 and a tape part 1 which are communicated with each other, a flexible rule strip 13 and a clockwork spring 15 are positioned in the tape part 1, a photoelectric door sensor 36 is arranged at the joint of the handle part 2 and the tape part 1, and the front end of the photoelectric door sensor 36 faces the flexible rule strip 13;
the device comprises a handle part 2, an operation calculation keyboard 5 and an electronic display screen 7 which are used for calculating the volume of an edema part, a control circuit board 32 which is used for controlling the operation calculation keyboard 5 and the electronic display screen 7 to work, and a power supply module 310 which is used for supplying power to a photoelectric door sensor 36, the operation calculation keyboard 5, the electronic display screen 7 and the control circuit board 32, wherein the power supply module 310 is provided with a rechargeable lithium battery, the control circuit board 32 is provided with a data storage module 37, a microprocessor 38 and a USB interface 31, one side of the handle part 2 is provided with a jack 311, and the open end of the USB interface 31 is positioned in the jack 311;
the electronic display 7 comprises a data recording area 71 for displaying the recorded measurement data, a function display area 72 for displaying the currently executed function, a power display area 73 for displaying the remaining power of the power module 310, and a measurement calculation display area 74 for displaying the current measurement data and the process and result of calculating the edema volume;
the operation calculation keyboard 5 is provided with a power switch button 51 for starting or closing power supply of the power module 310, an arm circumference recording key I52 and an arm circumference recording key II 53 for respectively recording circumferences of two ends of an edema part and displaying the circumferences in the data recording area 71, an arm length recording key 54 for recording the length of the edema part and displaying the length in the data recording area 71, a function selection key 55 for selecting a function program to be executed, a function program which can be selected and executed by the function selection key 55 is stored in the data storage module 37, and the function program stored in the data storage module 37 comprises a data measurement recording function, an edema volume automatic calculation function and a manual calculation function program.
In the implementation process of the invention, firstly, the data measurement recording function in the data storage module 37 is selected through the function selection key 55, the soft ruler strip 13 is pulled out through the ruler head 14, the circumferences of two ends of an edema part and the length of the edema part are measured through the soft ruler strip 13, the measurement calculation display area 74 of the electronic display screen 7 can display the current measurement data, and the arm circumference recording key I52, the arm circumference recording key II 53 or the arm length recording key 54 is pressed down, so that the corresponding measurement data can be recorded and displayed in the data recording area 71 of the electronic display screen 7; then, the edema volume automatic calculation function in the data storage module 37 is selected through the function selection key 55, and the microprocessor 38 automatically calculates the volume of the edema site according to the instruction based on the data recorded in the data recording area 71 and the program of the edema volume automatic calculation function in the data storage module 37, and displays the calculation result in the measurement calculation display area 74, and the data storage module 37 can temporarily store the data during the measurement and calculation. Therefore, the lower arm circumference recording key I52, the arm circumference recording key II 53 or the arm length recording key 54 can quickly record the measurement data of the edema part, then the volume of the edema part can be quickly and automatically calculated through the edema volume automatic calculation function, a plurality of tools such as a tape, a calculator, a note book and a pen do not need to be carried, the operation process is extremely simple and convenient, and the volume data of the limb edema part can be quickly obtained.
It should be noted that, when measuring the circumference of the edema part and the length of the edema part again, pressing the corresponding arm circumference record key i 52, arm circumference record key ii 53 or arm length record key 54 can modify the corresponding record data in the data record area 71; the operation calculation keyboard 5 comprises keys capable of meeting the calculation of circumference, circle area and truncated cone volume, and can also be provided with function calculator keys capable of meeting various function operations so as to enlarge the application range of the invention, and the electronic display screen 7 and the operation calculation keyboard 5 can also be replaced by a touch screen.
In the calculation process, two ends of the edema part are generally regarded as circles, the whole edema part is regarded as a truncated cone, and the circle radius r is generally calculated by a circumference length formula L which is 2 pi r, wherein L is the circumference length; the formula V ═ pi h (r) is then calculated by the volume of the truncated cone1 2+r2 2+r1r2) Calculating the volume of the edema part, wherein h is the length of the edema part, and V is the volume of the edema part; the two formulas described in this paragraph can be used as the calculation formula for the edema volume auto-calculation function in the data storage module 37 of the present invention.
In a preferred embodiment of the present invention, the edema volume auto-calculation function stored in the data storage module 37 is a function for calculating the volume of the edema site
V＝h(L1 2+L2 2+L1L2)/12π
Wherein L is1、L2The circumferences of the two ends of the edema part are respectively, and h is the length of the edema part.
The calculation formula of the invention is that the circumference formula L is 2 pi r and the truncated cone volume calculation formula V is pi h (r is r1 2+r2 2+r1r2) The calculation process of the circle radius is omitted by derivation of/3The calculation steps are simplified, and according to the calculation formula, the volume data of the edema part can be quickly obtained even through manual calculation, so that the calculation efficiency of the electronic measuring scale is improved.
In a preferred embodiment of the present invention, the function selection keys 55 include a middle key for entering a function selection interface, an up key and a down key for selecting a function to be executed. The function selecting key 55 of the present invention is simple in structural operation.
In a preferred embodiment of the present invention, the tape portion 1 of the housing 3 is provided with a limiting pulley assembly 16, the limiting pulley assembly 16 comprises a concave pulley 161 and a convex pulley 162, the convex pulley 162 and the concave pulley 161 cooperate to clamp the flexible rule 13, and the limiting pulley assembly 16 is located inside the rule hole 12. The convex pulley 162 and the concave pulley 161 of the present invention cooperate with each other to clamp the flexible rule strip 13, so that the flexible rule strip 13 can be extended and wound according to a fixed path.
In a preferred embodiment of the present invention, the handle portion 2 of the housing 3 is provided with a recessed area 4 on one side, the operation and calculation keyboard 5 is located in the recessed area 4, and the surface of the operation and calculation keyboard 5 does not protrude out of the handle portion 2. According to the invention, the calculation keyboard is arranged in the recessed area 4 on the surface of the handle part 2, and the surface of the calculation keyboard does not protrude out of the handle part 2, so that the calculation keyboard can be prevented from being pressed by fingers in the measuring process, and the comfort level of an operator in the using process can be improved.
In a preferred embodiment of the present invention, a transparent partition 6 is provided on one side of the handle portion 2 of the housing 3, the electronic display 7 is fixed on the inner side of the transparent partition 6, and the transparent partition 6 and the operation and calculation keyboard 5 are located on the same side of the handle portion 2 of the housing 3. According to the invention, the electronic display screen 7 is arranged on the inner surface of the transparent partition plate 6, so that the electronic display screen 7 can be prevented from contacting with an external object, and the risk of damaging the electronic display screen 7 is effectively reduced.
In a preferred embodiment of the present invention, four concave finger-gripping positions 39 are uniformly distributed on one side of the handle portion 2 of the housing 3, and the finger-gripping positions 39 are located on the same side or opposite sides of the insertion hole 311. Four inward-concave finger holding positions 39 are uniformly distributed on one side of the handle part 2, and the four fingers except the thumb of an operator hold the finger holding positions 39 in the use process, so that the operator is not easy to slip when holding the handle part 2.
In a preferred embodiment of the invention, the resilient button 2 is located in the middle outside the tape measure portion 1, and the control circuit board 32 is fixed by screws in the handle portion 2 of the housing 3. After the measurement is finished, the flexible rule strip 13 can be automatically wound through the clockwork spring 15 by pressing the rebound button 2.
In a preferred embodiment of the present invention, the microprocessor 38 is a model CH376S chip.
The above-described embodiments are intended to illustrate rather than to limit the invention, and any modifications and variations of the present invention are within the spirit of the invention and the scope of the claims.
Claims (9)
1. A portable electronic measuring scale for edema volume of limbs comprises a shell (3), an electronic display screen (7) and a USB interface (31), wherein a soft ruler strip (13) and a clockwork spring (15) used for rolling the soft ruler strip (13) are arranged in the shell (3), a rebound button (2) used for controlling the clockwork spring (15) to roll the soft ruler strip (13) is arranged outside the shell (3), a ruler strip hole (12) used for the soft ruler strip (13) to pass through is arranged at one side of the shell (3), a ruler head (14) which cannot pass through the ruler strip hole (12) is arranged at the outer end of the soft ruler strip (13), the ruler head (14) is positioned outside the shell (3), and color scale marks are printed on the surface of the soft ruler strip (13), the shell (3) comprises a handle part (2) and a tape part (1) which are communicated with each other, the soft ruler strip (13) and the clockwork spring (15) are positioned in the ruler part (1), a photoelectric door sensor (36) is arranged at the joint of the handle part (2) and the tape measure part (1), and the front end of the photoelectric door sensor (36) faces the flexible rule strip (13);
the device comprises a handle part (2), an operation calculation keyboard (5) and an electronic display screen (7) which are used for calculating the volume of an edema part, a control circuit board (32) which is used for controlling the operation calculation keyboard (5) and the electronic display screen (7) to work, and a power module (310) which is used for providing power for a photoelectric door sensor (36), the operation calculation keyboard (5), the electronic display screen (7) and the control circuit board (32), wherein the power module (310) is provided with a rechargeable lithium battery, the control circuit board (32) is provided with a data storage module (37), a microprocessor (38) and a USB interface (31), one side of the handle part (2) is provided with a jack (311), and the open end of the USB interface (31) is positioned in the jack (311);
the electronic display screen (7) comprises a data recording area (71) for displaying recorded measurement data, a function display area (72) for displaying a currently executed function, a power display area (73) for displaying the remaining power of the power module (310), a measurement calculation display area (74) for displaying the current measurement data and the process and result of calculating the edema volume;
the operation calculation keyboard (5) is provided with a power switch button (51) for starting or closing power supply of the power module (310), an arm circumference recording key I (52) and an arm circumference recording key II (53) for respectively recording circumferences of two ends of an edema part and displaying in a data recording area (71), an arm length recording key (54) for recording the length of the edema part and displaying in the data recording area (71), and a function selection key (55) for selecting a function program to be executed, wherein the function program which can be selected and executed by the function selection key (55) is stored in the data storage module (37), and the function program stored in the data storage module (37) comprises a data measurement recording function, an edema volume automatic calculation function and a manual calculation function.
2. The portable electronic limb edema volume measuring ruler of claim 1, wherein the formula for calculating the edema site volume in the edema volume automatic calculation function program stored in said data storage module (37) is
V＝h(L1 2+L2 2+L1L2)/12π
Wherein L is1、L2The circumferences of the two ends of the edema part are respectively, and h is the length of the edema part.
3. The portable electronic measurement scale for edema volume of limbs according to claim 1, wherein said function selection key (55) comprises a middle button for entering a function selection interface, an up button and a down button for selecting a function program to be executed.
4. The portable electronic measurement scale for edema volume of limbs as recited in claim 1, wherein the limiting pulley set (16) is disposed in the measuring scale portion (1) of the housing (3), the limiting pulley set (16) comprises a concave pulley (161) and a convex pulley (162), the convex pulley (162) and the concave pulley (161) cooperate to clamp the flexible ruler (13), and the limiting pulley set (16) is disposed inside the ruler hole (12).
5. The portable electronic measurement scale for edema volume of limbs as claimed in claim 1, wherein said housing (3) has a recessed area (4) on one side of the handle portion (2), the operation and calculation keyboard (5) is located in the recessed area (4), and the surface of the operation and calculation keyboard (5) does not protrude outside the handle portion (2).
6. The portable electronic measurement scale for edema volume of limbs as in claim 1 or 5, wherein a transparent partition (6) is provided on one side of the handle portion (2) of the housing (3), the electronic display screen (7) is fixed on the inner side of the transparent partition (6), and the transparent partition (6) and the operation and calculation keyboard (5) are located on the same side of the handle portion (2) of the housing (3).
7. The portable electronic measurement scale for edema volume of limbs as in claim 6, wherein four inward-concave finger-holding positions (39) are uniformly distributed on one side of the handle portion (2) of the housing (3), and the finger-holding positions (39) and the insertion holes (311) are located on the same side or on opposite sides.
8. The portable electronic measurement scale for edema volume of limbs as recited in claim 1, wherein said resilient button (2) is located in the middle outside the measuring tape portion (1), and the control circuit board (32) is fixed in the handle portion (2) of the housing (3) by screws.
9. The portable electronic limb edema volume measurement ruler of claim 1, wherein said microprocessor (38) is a model CH376S chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010489543.XA CN113749643A (en) | 2020-06-02 | 2020-06-02 | Portable limb edema volume electronic measuring scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010489543.XA CN113749643A (en) | 2020-06-02 | 2020-06-02 | Portable limb edema volume electronic measuring scale |
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| CN113749643A true CN113749643A (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010489543.XA Pending CN113749643A (en) | 2020-06-02 | 2020-06-02 | Portable limb edema volume electronic measuring scale |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771172A (en) * | 2015-03-13 | 2015-07-15 | 东莞捷荣技术股份有限公司 | Measurement-part-selectable electronic flexible ruler and measurement method |
| CN107014265A (en) * | 2017-02-09 | 2017-08-04 | 广西大学 | A kind of intelligent reading tape measure |
| CN108078567A (en) * | 2016-11-23 | 2018-05-29 | 复旦大学附属华山医院 | Upper limb upper-arm circumference fixed point measurement device |
| CN108120356A (en) * | 2017-12-23 | 2018-06-05 | 苏州工业园区服务外包职业学院 | Intelligent testing gage and measuring method with space computing function |
| CN212307834U (en) * | 2020-06-02 | 2021-01-08 | 四川大学华西医院 | Portable limb edema volume electronic measuring scale |
-
2020
- 2020-06-02 CN CN202010489543.XA patent/CN113749643A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771172A (en) * | 2015-03-13 | 2015-07-15 | 东莞捷荣技术股份有限公司 | Measurement-part-selectable electronic flexible ruler and measurement method |
| CN108078567A (en) * | 2016-11-23 | 2018-05-29 | 复旦大学附属华山医院 | Upper limb upper-arm circumference fixed point measurement device |
| CN107014265A (en) * | 2017-02-09 | 2017-08-04 | 广西大学 | A kind of intelligent reading tape measure |
| CN108120356A (en) * | 2017-12-23 | 2018-06-05 | 苏州工业园区服务外包职业学院 | Intelligent testing gage and measuring method with space computing function |
| CN212307834U (en) * | 2020-06-02 | 2021-01-08 | 四川大学华西医院 | Portable limb edema volume electronic measuring scale |
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