CN106725494B - Plantar pressure-blood flow characteristic relation measuring instrument in standing and sitting postures - Google Patents
Plantar pressure-blood flow characteristic relation measuring instrument in standing and sitting postures Download PDFInfo
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- CN106725494B CN106725494B CN201510810790.4A CN201510810790A CN106725494B CN 106725494 B CN106725494 B CN 106725494B CN 201510810790 A CN201510810790 A CN 201510810790A CN 106725494 B CN106725494 B CN 106725494B
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Abstract
The invention relates to a plantar pressure-blood flow characteristic relation measuring instrument under standing and sitting postures, which comprises a supporting platform, a handrail, a load platform, a sitting platform, a dynamic pressure loading device, laser speckle blood flow measuring equipment and a control and calculation unit, wherein the track platform is provided with a plurality of support platforms; the support platform is a cuboid flat plate supported by a cuboid column; the handrail, the load table and the seat table are respectively and sequentially arranged above the supporting table; the dynamic pressure loading device and the laser speckle blood flow measuring equipment are fixed below the supporting platform; the dynamic pressure loading device comprises a cylindrical supporting rotating arm, a telescopic rod and a pressure sensor, and is used for applying pressure to plantar tissues of a tester; the laser speckle blood flow measuring equipment comprises a supporting rotating arm and a laser probe, and is used for measuring the blood flow of the plantar tissue of a tester; the control calculation unit can control the magnitude of the applied pressure, record the measured blood flow data, and calculate and display the pressure-blood flow characteristic relation.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to medical equipment, in particular to a plantar pressure-blood flow characteristic relation measuring instrument in standing and sitting postures.
[ background of the invention ]
The foot blood flow plays an important role in providing nutrition for foot tissues, removing waste products and ensuring skin health. The pressure on the sole of the foot is a common cause of foot tissue ischemia, and the foot tissue is subjected to excessive pressure in a standing or sitting position for a long time, so that the tissue ischemia injury can be caused. Especially for diabetic patients, excessive pressure on the sole of the foot is a major external stress factor causing foot ulcers in patients. In addition, the medical shoes are common conservative treatment means for foot ulcer diseases, and the pressure on the soles of the feet of a patient is redistributed, so that the blood flow of soft tissues in the pressure increasing area and the pressure unloading area of the soles of the patient is changed. Therefore, the method for measuring the relation between the pressed size of the foot tissue and the blood flow of healthy adults or people prone to foot ulcer, such as diabetics, can provide reference indexes for the research of the relation between the pressed size of the foot tissue and the blood flow response of the human body, is an important basis for diagnosing the foot ulcer risk and correctly selecting a diagnosis and treatment scheme, and has important significance for preventing and treating the foot ulcer.
At present, in the measurement means of foot blood flow of healthy adults or foot ulcer patients, the measurement of single-area blood flow change of soles of human bodies and the measurement of sole blood flow response under the action of single-area pressurization are mainly focused, and the measurement of blood flow of multiple areas of tissues of soles under the zero-pressurization or pressurization state is lacked. Meanwhile, for the change of blood flow in the sole, the state of the tested person in the supine position is mainly adopted, and the blood flow in multiple areas of the sole is not measured when the human body is in a weight position (such as a standing position and a sitting position).
[ summary of the invention ]
The invention aims to provide a device capable of measuring the pressure-blood flow characteristic relation of soles of human bodies in standing and sitting postures aiming at the defects of the prior art, and the device is designed aiming at the problems that the evaluation of the blood flow of the feet of healthy adults or foot ulcer patients is only limited to the monitoring of the blood flow of single area of the soles of the healthy adults or the foot ulcer patients in the supine position posture, and the blood flow of areas around the pressure point of the feet of the healthy adults or the foot ulcer patients is lack of monitoring of the blood flow of the human bodies in the weight-bearing posture; the invention can measure the blood flow of multiple areas of the tested person under the standing position and the sitting position posture when the sole tissues bear the weight of the tested person; meanwhile, the invention can also measure the blood flow change condition of the area around the pressed tissue of the sole when dynamically applying pressure to the sole of a human body.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention relates to a plantar blood flow measuring instrument, which comprises a supporting platform, a handrail, a load table, a sitting table, a dynamic pressure loading device, laser speckle blood flow measuring equipment and a control and calculation unit, wherein the track is provided with a track; the supporting platform is a rectangular plate, and rectangular columns are arranged at four edge corners for supporting; the handrail is arranged on the supporting platform, has the height of about 1m and is arranged in front of the load platform; the load platform is a rectangular bearing glass which is fixedly placed on the supporting platform, and a supporting rod connected with the supporting platform is arranged in the center below the load platform; the seat table is arranged behind the loading table, and a fixing rod is arranged at about half height of the seat table and is used for connecting a movable U-shaped fixing arm; the dynamic pressure loading device comprises a cylindrical supporting rotating arm, a telescopic rod and a pressure sensor, and is used for applying pressure to plantar tissues of a tester; the laser speckle blood flow measuring equipment comprises a supporting rotating arm and a laser probe, and is used for measuring the blood flow of the plantar tissue of a tester; the left side and the right side of the supporting legs below the supporting platform are respectively fixed with a supporting flat plate, and the supporting flat plates are used for fixing the dynamic pressure loading device and the laser speckle blood flow measuring equipment; the control calculation unit is connected with the dynamic pressure loading device and the laser speckle blood flow measuring equipment and is used for controlling the magnitude of applied pressure, recording the data of the blood flow measured by the blood flow measuring equipment, and calculating and displaying the pressure-blood flow characteristic relation.
Furthermore, 3 cross bars are arranged on the handrail and used for assisting the stability of the gravity center of testers with different heights in a standing position.
Further, the transparent material used for the loading platform is load-bearing glass, and the glass is selected from tempered glass or resin glass.
Further, the fixed rod can be adjusted up and down in height on the sitting platform.
Furthermore, the U-shaped fixed arm can move back and forth and left and right on the fixed rod; the U-shaped fixing arm is tied with an adhesive tape to fix the shank of a human body.
Furthermore, the cylindrical supporting rotating arm connected with the dynamic pressure loading device can move up and down by 90 degrees and move left and right by 180 degrees so as to adjust the position of the pressure sensor; the pressure sensor is sleeved with a non-deformable half-round head material so as to apply pressure to the sole pressure points.
Furthermore, the telescopic rod on the dynamic pressure loading device is used for loading pressure to the sole of the human body through dynamic extension and retraction.
Furthermore, a supporting rotating arm connected with the laser speckle blood flow measuring equipment can move up and down by 90 degrees and move left and right by 180 degrees so as to adjust the position of the laser probe.
Further, the control and calculation unit can control the magnitude of the pressure applied to the sole tissue by the dynamic pressure loading device by inputting a pressure value through a pressure value box in an operation interface; the control calculation unit can record the tissue blood flow of each area of the measured sole in real time and display the measured data in the blood flow display area on the display interface in real time; the control calculation unit can display the sole of the tester in the measurement area of the display interface, and a plurality of sole areas needing to be measured are selected through the area selection button.
Furthermore, on the operation interface of the control calculation unit, the pressure application and the blood flow measurement of the device to the sole tissue are respectively started and stopped by clicking a start button and a stop button, and after clicking the stop button, the control calculation unit can calculate and draw a characteristic relation graph between the applied pressure and the tissue blood flow of each area of the measured sole.
After adopting the structure, the invention has the beneficial effects that: the transparent weight bearing table designed by the invention can be combined with the laser speckle blood flow measuring equipment to measure the blood flow change conditions of multiple areas of the soles of a tested person when the sole tissues bear the weight of the tested person in a standing position or a sitting position posture, and meanwhile, the dynamic pressure loading device can be used for dynamically pressing the soles of the human body and measuring and evaluating the blood flow response conditions of the areas around the tissues after the soles of the human body are pressed, so that the defects that the evaluation aiming at the blood flow of the feet of healthy adults or patients with foot ulcers is only limited to the measurement of a single area in a supine position and the measurement of the blood flow of the areas around the pressed points of the feet is overcome, an important basis is provided for the prevention, diagnosis and treatment of the foot ulcers, and the relevant research on the foot ulcer diseases has important scientific significance and clinical value.
[ description of the drawings ]
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view in accordance with the present invention;
FIG. 3 is a control computing unit interface according to the present invention.
Description of reference numerals:
1. a support platform; 2. a grab bar; 3. a load table; 4. a support bar; 5. a U-shaped fixed arm; 6. fixing the rod; 7. a sitting platform; 8. supporting the flat plate; 9. supporting the rotating arm; 10. a laser probe; 11. a cylindrically supported rotating arm; 12. a telescopic rod; 13. a pressure sensor; 14. a pressure value box; 15. a blood flow display area; 16. a measurement area; 17. a region selection button; 18. pressure-blood flow characteristic map; 19. a start button and a stop button.
[ detailed description ] embodiments
The present invention will now be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided only for the purpose of illustrating the present invention and are not to be construed as limiting the present invention.
Fig. 1 is a schematic diagram of the overall structure of the present invention according to an embodiment of the present invention. The invention relates to a plantar pressure-blood flow characteristic relation measuring instrument in standing and sitting postures, which comprises a supporting platform 1, a handrail 2, a loading platform 3, a sitting platform 7, a dynamic pressure loading device, laser speckle blood flow measuring equipment and a control and calculation unit, wherein the supporting platform is provided with a support platform base and a support platform base; the supporting platform 1 is a rectangular plate, and rectangular columns are arranged at four edge corners for supporting; the handrail 2 is arranged on the supporting platform 1 and is arranged in front of the loading platform 3; the load table 3 is a rectangular load-bearing glass fixedly placed on the supporting platform 1, and a supporting rod 4 connected with the supporting platform 1 is arranged in the center below the load table 3; the sitting platform 7 is arranged behind the load platform 3, and a fixing rod 6 is arranged at about half the height of the sitting platform 7 and is used for connecting a movable U-shaped fixing arm 5; the dynamic pressure loading device comprises a cylindrical supporting rotating arm 11, a telescopic rod 12 and a pressure sensor 13, and is used for applying pressure to plantar tissues of a tester; the laser speckle blood flow measuring equipment comprises a supporting rotary arm 9 and a laser probe 10, and is used for measuring the blood flow of plantar tissues of a tester; the left side and the right side of the supporting leg below the supporting platform 1 are respectively fixed with a supporting flat plate 8, and the supporting flat plates 8 are used for fixing the dynamic pressure loading device and the laser speckle blood flow measuring equipment; the control calculation unit is connected with the dynamic pressure loading device and the laser speckle blood flow measuring equipment and is used for controlling the magnitude of applied pressure, recording the data of the blood flow measured by the blood flow measuring equipment, and calculating and displaying the pressure-blood flow characteristic relation.
The handrail 2 is provided with 3 cross bars for assisting the stability of the gravity center of testers with different heights in a standing position.
The transparent material used for supporting the load bearing table 3 is bearable glass, and the glass is selected from tempered glass or resin glass.
The height of the fixing rod 6 can be adjusted up and down on the seat platform 7.
FIG. 2 is a schematic cross-sectional view of the present invention, according to one embodiment of the present invention. The supporting rod 4 is connected on the supporting platform 1 and is divided into a left rectangle and a right rectangle from the center of the loading platform 3; the two U-shaped fixing arms 5 are arranged on the sitting platform 7 and are respectively positioned above the left rectangle and the right rectangle of the load platform 3; the pressure sensor 12 and the laser probe 10 can adjust the positions by adjusting the cylindrical supporting rotating arm 11 and the supporting rotating arm 9 respectively, so that the sensors are positioned below the left rectangle and the right rectangle of the load table 3; the handrail 2 is installed in front of the load table 3.
The U-shaped fixed arm 5 can move back and forth and left and right on the fixed rod 6; the U-shaped fixing arm 5 is tied with an adhesive tape to fix the shank of a human body.
The cylindrical supporting rotating arm 11 connected with the dynamic pressure loading device can move up and down by 90 degrees and move left and right by 180 degrees so as to adjust the position of the pressure sensor 13; the pressure sensor 13 is sleeved with a non-deformable half-round head material to apply pressure to the sole pressure points.
The telescopic rod 12 on the dynamic pressure loading device is used for loading pressure to the sole of the human body through dynamic extension and retraction.
The supporting rotating arm 9 connected with the laser speckle blood flow measuring equipment can move up and down by 90 degrees and move left and right by 180 degrees so as to adjust the position of the laser probe 10.
According to one embodiment of the present invention, as shown in FIG. 3, it is the interface of the software of the control computing unit of the present invention. The control calculation unit is connected with the dynamic pressure loading device and the laser speckle blood flow measuring equipment and is used for controlling the magnitude of applied pressure, recording the data of the blood flow measured by the blood flow measuring equipment, and calculating and displaying the pressure-blood flow characteristic relation.
The control calculation unit can input a pressure value through a pressure value box 14 in an operation interface to control the magnitude of the pressure applied to the sole tissue by the dynamic pressure loading device; the control calculation unit can record the tissue blood flow of each area of the measured sole in real time and display the measured data in real time in a blood flow display area 15 on a display interface; the control calculation unit can display the sole of the tester in a measurement area 16 of the display interface, and a plurality of sole areas needing to be measured are selected through an area selection button 17.
On the operation interface of the control calculation unit, pressure application and blood flow measurement of the device to the sole tissue are respectively started and stopped by clicking a start button and a stop button 19, and after clicking the stop button, the control calculation unit can calculate and draw a characteristic relation graph 18 between the applied pressure and the tissue blood flow for each area of the measured sole.
To find out the relationship between the pressed size of the plantar tissue and the tissue blood flow, firstly, the plantar blood flow of the standing or sitting human body at the weight bearing position is measured, and the plantar blood flow of the human body bearing the weight of the human body can be evaluated. When the blood flow of each area of the sole of a standing position is measured, feet of a human body stand on the left side and the right side of a loading table 3 divided by the center of a supporting rod 4 respectively, a U-shaped fixing arm 5 is used for fixing the position of the lower leg of the human body, and a supporting rotating arm 9 connected with a laser speckle blood flow measuring device is adjusted up and down, left and right so that a laser probe 10 is positioned below the measured area, the laser speckle blood flow measuring device is connected with an external computer, and the blood flow of each area of tissues when the sole of the standing position is pressed can be measured and recorded; similarly, when measuring the blood flow volume of each area of the sole of the foot in the sitting position, a person sits on the sitting table 7, the feet of the human body are respectively placed on the left side and the right side of the weight table 3 divided by the center of the supporting rod 4, the lower leg of the human body is fixed by the U-shaped fixing arm 5, the supporting rotating arm 9 connected with the laser speckle blood flow measuring device is adjusted up and down and left and right, and the laser probe 10 is positioned below the measured area to measure the blood flow volume of each area when the sole of the foot in the sitting position is pressed. Secondly, the blood flow of the area around the dynamic compression point is measured, and the influence of the compression of the sole area on the blood flow of the area around the tissues can be evaluated. When measuring the change of blood flow of the area around the pressed tissue of the sole, the transparent supporting material under the foot on one side to be measured on the load table 3 is removed, the foot on the other side of the human body is placed on the transparent supporting material in the rectangular frame on one side separated by the center of the supporting rod 4, the shank on one side to be measured of the human body is fixed by the U-shaped fixing arm 5, the cylindrical supporting rotating arm 11 connected with the dynamic pressure loading device is adjusted up and down and left and right, the pressure sensor 13 is made to be vertical to the area needing stress application of the foot bottom to be measured, the supporting rotating arm 9 connected with the laser speckle blood flow measuring device is adjusted to make the laser probe 10 be positioned under the area around the pressed tissue, the required applied pressure is input in the pressure numerical value frame of the control and calculation unit interface, the set pressure can be applied to the sole by controlling the telescopic rod 12 on the dynamic pressure loading device, and the blood flow display area 15 on the, after the measurement is finished, the control calculation unit can calculate and draw a relation graph 18 between the applied pressure and the tissue blood flow for each area of the measured sole. The semicircular head of the pressure sensor, which is contacted with the skin, is made of a non-deformable material, such as a high-density ethylene-vinyl acetate material.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and all equivalent changes and modifications in the structure, characteristics and principles of the invention described in the claims are intended to be included therein.
Claims (2)
1. A plantar pressure-blood flow characteristic relation measuring instrument under standing position and sitting position postures is characterized in that: the device comprises a supporting platform (1), a handrail (2), a loading table (3), a sitting table (7), a dynamic pressure loading device, laser speckle blood flow measuring equipment and a control and calculation unit; the supporting platform (1) is a cuboid flat plate, and cuboid columns are arranged at four edge corners for supporting; the handrail (2) is arranged on the supporting platform (1) and is arranged in front of the load bearing platform (3), and 3 cross rods are arranged on the handrail (2) and are used for assisting the stability of the gravity center of testers with different heights in a standing position; the load bearing platform (3) is a rectangular load bearing glass fixedly placed on the supporting platform (1) and is used for providing supporting force for the tester to carry the weight position plantar multi-region blood flow measurement; a support rod (4) connected with the support platform (1) is arranged in the center below the load table (3); the sitting platform (7) is arranged behind the load platform (3), and a fixing rod (6) is arranged at about half the height of the sitting platform (7) and used for adjusting the height up and down and connecting a movable U-shaped fixing arm (5); the U-shaped fixed arm (5) can move back and forth and left and right on the fixed rod (6); the U-shaped fixing arm (5) is tied with an adhesive tape to fix the shank of a human body; the dynamic pressure loading device comprises a cylindrical supporting rotating arm (11), a telescopic rod (12) and a pressure sensor (13); the pressure sensor (13) is sleeved with a non-deformable half-round head material to apply pressure to a sole pressure point; the laser speckle blood flow measuring equipment comprises a supporting rotating arm (9) and a laser probe (10), and is used for measuring the blood flow of multi-region tissues of a sole of a foot of a tester when the foot is stimulated by self-weight or external pressure, removing a transparent supporting material below one side foot to be measured on a weight table (3), placing the other side foot of a human body on the transparent supporting material in a rectangular frame on one side separated by the center of a supporting rod, fixing the lower leg of the measured side of the human body by a U-shaped fixing arm (5), adjusting a pressure sensor (13) on a dynamic pressure loading device to be vertical to the region needing force application of the sole of the tested foot within 90 degrees from top to bottom and 180 degrees from left to right by a cylindrical supporting rotating arm (11), adjusting the laser probe (10) to be positioned below the region around the pressurized tissues within 90 degrees from top to bottom and 180 degrees from left to right by the supporting rotating arm (9) of the laser, inputting the pressure required to be applied in a pressure numerical value frame in an operation interface of a control calculation unit, and dynamically applying set pressure to the sole by controlling a telescopic rod (12) on a dynamic pressure loading device; the left side and the right side of the supporting legs below the supporting platform (1) are respectively fixed with a supporting flat plate (8), and the supporting flat plates (8) are used for fixing the dynamic pressure loading device and the laser speckle blood flow measuring equipment; the control calculation unit is connected with the dynamic pressure loading device and the laser speckle blood flow measurement equipment, the pressure value applied to the sole tissue by the dynamic pressure loading device is controlled by inputting a pressure value through a pressure value frame (14) in an operation interface of the control calculation unit, the pressure applied to the sole tissue by the dynamic pressure loading device and the start and stop of the blood flow of the sole tissue measured by the laser speckle blood flow measurement equipment are respectively controlled by a start button and a stop button (19) in the operation interface of the control calculation unit, and the measurement data can be displayed in a blood flow display area (15) on a display interface of the control calculation unit in real time; the control calculation unit can display the sole of a tester in a measurement area (16) of a display interface, select a plurality of sole areas needing to be measured through an area selection button (17) in an operation interface of the control calculation unit, and calculate and draw a characteristic relation graph (18) between the applied pressure and the tissue blood flow of each area of the measured sole after clicking a stop button.
2. The plantar pressure-blood flow characteristic relation measuring instrument in the standing and sitting postures as claimed in claim 1, wherein: the rectangular bearing glass is selected from tempered glass or resin glass.
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| CN201510810790.4A CN106725494B (en) | 2015-11-20 | 2015-11-20 | Plantar pressure-blood flow characteristic relation measuring instrument in standing and sitting postures |
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| CN201510810790.4A CN106725494B (en) | 2015-11-20 | 2015-11-20 | Plantar pressure-blood flow characteristic relation measuring instrument in standing and sitting postures |
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| CN106725494B true CN106725494B (en) | 2020-03-31 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111248863B (en) * | 2020-01-19 | 2023-01-31 | 国家康复辅具研究中心 | Pressurizing device for inducing human skin hyperemia response |
| CN111685789B (en) * | 2020-06-15 | 2023-01-31 | 四川大学华西医院 | Clinostatism load CT simulation device and method |
| CN112386246A (en) * | 2020-12-30 | 2021-02-23 | 江苏健姿医疗科技股份有限公司 | Plantar pressure detection equipment |
| CN113017605B (en) * | 2021-03-04 | 2022-11-22 | 长春大学 | Recovered branch of academic or vocational study is with plantar pressure detection device |
| CN115500814A (en) * | 2022-10-14 | 2022-12-23 | 复旦大学 | Plantar soft tissue in-vivo multidimensional stress-strain detection equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104306007A (en) * | 2014-10-15 | 2015-01-28 | 北京理工大学 | Sole pressure and heart rate monitoring-based life support system |
| CN204618267U (en) * | 2015-05-14 | 2015-09-09 | 复旦大学附属华山医院 | Orthopaedics human foot simulation heavy burden testing fixture |
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2015
- 2015-11-20 CN CN201510810790.4A patent/CN106725494B/en active Active
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| A modular device to measure the effects of plantar foot pressure on the microcirculation of the heel;D. Santos等;《The Foot》;20030330;第13卷(第1期);第30-38页 * |
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Effective date of registration: 20210122 Address after: 100080 1007, 9th floor, building 2, 66 Zhongguancun East Road, Haidian District, Beijing Patentee after: Huichuang Keyi (Beijing) Technology Co.,Ltd. Address before: 100191 No. 37, Haidian District, Beijing, Xueyuan Road Patentee before: BEIHANG University |