CN212307834U - Portable limb edema volume electronic measuring scale - Google Patents
Portable limb edema volume electronic measuring scale Download PDFInfo
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- CN212307834U CN212307834U CN202020998569.2U CN202020998569U CN212307834U CN 212307834 U CN212307834 U CN 212307834U CN 202020998569 U CN202020998569 U CN 202020998569U CN 212307834 U CN212307834 U CN 212307834U
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Abstract
The utility model 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, and the surface of the flexible rule strip is printed with colored scale marks; the shell comprises a handle part and a 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 utility model discloses a circumference and the length at edema position of edema position both ends are measured to the flexible rule strip, can show measured data on the electronic display screen, calculate the volume at edema position through the operation calculation keyboard, need not carry solitary flexible rule and calculator in addition again, and operation process is comparatively simple and convenient.
Description
Technical Field
The utility model particularly relates to a portable limbs edema volume electronic measurement chi.
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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a portable limbs edema volume electronic measurement chi to solve current limbs edema position measurement mode and need carry multiple instrument, the problem of the operation of not being convenient for.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a portable electronic measuring scale for 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 rolling the soft ruler strip are arranged in the shell, a rebound button for controlling the clockwork spring to roll the soft ruler strip is arranged outside the shell, a ruler strip hole for the soft ruler strip to pass through is arranged on 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 marks are printed on the surface of the soft ruler strip;
the handle portion is provided with an operation calculation keyboard and an electronic display screen which are used for calculating the volume of edema, a control circuit board which is used for controlling the operation calculation keyboard and the electronic display screen to work, and a power supply module which is used for providing power for the photoelectric door sensor, the operation calculation keyboard, the electronic display screen and the control circuit board, wherein 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, one side of the handle portion is provided with a jack, and the open end of the USB interface is positioned in the.
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 utility model has the advantages that:
1. the utility model discloses a flexible rule strip is pulled out to the chi head, measures the girth at hydroncus position both ends and the length at hydroncus position through flexible rule strip, can show measured data on the electronic display screen, then calculates the volume at hydroncus position according to measured data through the operation calculation keyboard, need not carry solitary flexible rule and calculator in addition again, and operation process is comparatively simple and convenient.
Drawings
Fig. 1 is a schematic external structural 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
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention.
Referring to fig. 1-4, the present embodiment provides a portable electronic limb edema volume measuring ruler, which includes a casing, an electronic display screen and a USB interface, wherein a flexible rule strip and a clockwork spring for winding the flexible rule strip are disposed in the casing, a rebound button for controlling the clockwork spring to wind the flexible rule strip is disposed outside the casing, a rule strip hole for passing the flexible rule strip is disposed on one side of the casing, a rule head which cannot pass the rule strip hole is disposed at an outer end of the flexible rule strip, the rule head is disposed outside the casing, and color scale lines are printed on a surface of the flexible rule strip;
the handle portion is provided with an operation calculation keyboard and an electronic display screen which are used for calculating the volume of edema, a control circuit board which is used for controlling the operation calculation keyboard and the electronic display screen to work, and a power supply module which is used for providing power for the photoelectric door sensor, the operation calculation keyboard, the electronic display screen and the control circuit board, wherein 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, one side of the handle portion is provided with a jack, and the open end of the USB interface is positioned in the.
The utility model discloses a flexible rule strip is pulled out to the chi head, measures the girth at hydroncus position both ends and the length at hydroncus position through flexible rule strip, can show measured data on the electronic display screen, then calculates the volume at hydroncus position according to measured data through the operation calculation keyboard, need not carry solitary flexible rule and calculator in addition again, and operation process is comparatively simple and convenient.
It should be noted that the following formula is suggested for calculating the edema volume during the calculation process
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 above calculation formula is obtained by the circumference formula L2 pi r and the truncated cone volume calculation formula V pi h (r)1 2+r2 2+r1r2) Derived from/3, r1And r2The radius of the circle at the two ends of the truncated cone is respectively, the calculation process of the radius of the circle is omitted, the calculation steps are simplified, the volume data of the edema part can be quickly obtained through manual calculation according to the calculation formula, and the improvement of the working efficiency is facilitated.
In a preferred embodiment of the present invention, a limiting pulley block is disposed in the tape portion of the housing, the limiting pulley block includes a concave pulley and a convex pulley, the convex pulley cooperates with the concave pulley to clamp the flexible rule, and the limiting pulley block is located inside the rule hole. The utility model discloses a convex surface pulley and concave surface pulley cooperate mutually and carry soft chi strip, make soft chi strip stretch out and the rolling according to fixed passageway.
In a preferred embodiment of the present invention, a recessed area is formed on one side of the handle portion of the housing, the operation and calculation keyboard is located in the recessed area, and the surface of the operation and calculation keyboard does not protrude out of the handle portion. The utility model discloses to calculate the keyboard setting at the depressed area on handle portion surface, and calculate the keyboard surface and do not stand out to handle portion outside, can avoid calculating the keyboard and pressed down by the finger in the measurement process, can promote the comfort level of operating personnel in the use.
In a preferred embodiment of the present invention, a transparent partition is disposed on one side of the handle portion of the casing, the electronic display screen is fixed on the inner side of the transparent partition, and the transparent partition and the operation and calculation keyboard are disposed on the same side of the handle portion of the casing. The utility model discloses with the electronic display screen setting in transparent baffle inner face, can avoid the object contact of electronic display screen and outside, effectively reduced the impaired risk of electronic display screen.
In a preferred embodiment of the present invention, four inward-concave finger-holding positions are uniformly distributed on one side of the handle portion of the housing, and the finger-holding positions and the insertion holes are located on the same side or opposite sides. The utility model discloses a handle portion one side equipartition has the finger-holding position of four indents, and operating personnel finger-holding is holding the finger-holding position right except that four fingers of thumb in the use, and operating personnel is difficult for skidding when holding handle portion.
In a preferred embodiment of the present invention, the resilient button is located in the middle outside the tape measure portion, and the control circuit board is fixed in the handle portion of the housing by screws. The utility model discloses accomplish after measuring, press rebound button 2 and can pass through the soft chi strip 13 of 15 automatic rolling of clockwork spring.
In a preferred embodiment of the present invention, the microprocessor has a model of CH376S chip.
In the description of the above embodiments, it is,
the utility model can be additionally provided with the following arrangement scheme in the implementation process, the electronic display screen comprises a data recording area for displaying the recorded measurement data, a function display area for displaying the currently executed function, an electric quantity display area for displaying the residual electric quantity of the power module, and a measurement calculation display area for displaying the current measurement 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.
According to the operation process of the added setting scheme, firstly, a data measurement recording function in the data storage module is selected through a function selection key, the soft ruler strip is pulled out through the ruler head, the circumferences of two ends of the edema part and the length of the edema part are measured through the soft ruler strip, the current measurement data can be displayed in a measurement calculation display area of the electronic display screen, and the corresponding measurement data can be recorded and displayed in a data recording area of the electronic display screen by pressing the arm circumference recording key I, the arm circumference recording key II or the arm length recording key; then, the edema volume automatic calculation function in the data storage module is selected through the function selection key, the microprocessor automatically calculates the volume of the edema part according to the instruction and the data recorded in the data recording area and the edema volume automatic calculation function program in the data storage module, and the calculation result is displayed in the measurement calculation display area, the data storage module can temporarily store the data in the measurement and calculation process, 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 edema part of the limb can be quickly obtained.
It should be noted that when the circumference of the two ends of the edema part and the length of the edema part are measured again, the corresponding arm circumference record key i, arm circumference record key ii or arm length record key is pressed, and the corresponding record data in the data record area can be modified; including the button that can satisfy circumference, circle area and truncated cone shape volume calculation on the operation calculation keyboard, also can set up the function calculator button that can satisfy various function operations, in order to enlarge the utility model discloses an application range also can use a touch screen to replace electronic display screen and operation calculation keyboard.
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 equations described in this paragraph may be used as the calculation equations for the edema volume automatic calculation function in the data storage module 37 of the present invention, or the aforementioned calculation of the edema volume V ═ h (L ═ L) may be used1 2+L2 2+L1L2) And 12 pi is beneficial to improving the operation efficiency of the electronic measuring scale.
The function selecting keys comprise a middle key for entering a function selecting interface, and an upward key and a downward key for selecting a function program to be executed. The utility model discloses a key setting structure operation is selected to the function is comparatively simple.
In a preferred embodiment of the present invention, the microprocessor has a model of CH376S chip.
The above embodiments are provided for illustrative purposes, and are not intended to limit the present invention, and any modifications and changes made within the spirit and scope of the claims fall within the scope of the present invention.
Claims (7)
1. A portable electronic measuring scale for 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 rolling the soft ruler strip are arranged in the shell, a rebound button for controlling the clockwork spring to roll the soft ruler strip is arranged outside the shell, a ruler strip hole for the soft ruler strip to pass through is arranged on 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 marks are printed on the surface of the soft ruler strip;
the handle portion is provided with an operation calculation keyboard and an electronic display screen which are used for calculating the volume of edema, a control circuit board which is used for controlling the operation calculation keyboard and the electronic display screen to work, and a power supply module which is used for providing power for the photoelectric door sensor, the operation calculation keyboard, the electronic display screen and the control circuit board, wherein 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, one side of the handle portion is provided with a jack, and the open end of the USB interface is positioned in the.
2. The portable electronic limb edema size measuring ruler of claim 1, wherein said case has a limiting pulley set disposed in the tape portion, said limiting pulley set comprising a concave pulley and a convex pulley, said convex pulley and said concave pulley cooperating to clamp the flexible rule, said limiting pulley set being disposed inside the rule hole.
3. The portable electronic measurement scale for edema volume of limbs and trunk of claim 1, wherein said housing has a recessed area on one side of said handle portion, said keyboard is located in said recessed area, and said keyboard surface does not protrude outside said handle portion.
4. The portable electronic measurement scale for edema volume of limbs and trunk area as claimed in claim 1 or 3, wherein a transparent partition is provided on one side of the handle portion of the housing, the electronic display screen is fixed on the inner side of the transparent partition, and the transparent partition and the operation and calculation keyboard are located on the same side of the handle portion of the housing.
5. The portable electronic measurement scale for edema volume of limbs and trunk of claim 4, wherein four inward-concave finger positions are uniformly distributed on one side of the handle portion of the housing, and the finger positions and the insertion holes are located on the same side or opposite sides.
6. The portable electronic limb edema size measuring ruler of claim 1, wherein said resilient button is located in the middle outside the tape portion, and the control circuit board is fixed in the handle portion of the housing by screws.
7. The portable electronic limb edema volume measuring ruler of claim 1, wherein said microprocessor is a type CH376S chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020998569.2U CN212307834U (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 |
|---|---|---|---|
| CN202020998569.2U CN212307834U (en) | 2020-06-02 | 2020-06-02 | Portable limb edema volume electronic measuring scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212307834U true CN212307834U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020998569.2U Active CN212307834U (en) | 2020-06-02 | 2020-06-02 | Portable limb edema volume electronic measuring scale |
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| Country | Link |
|---|---|
| CN (1) | CN212307834U (en) |
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2020
- 2020-06-02 CN CN202020998569.2U patent/CN212307834U/en active Active
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