Finger muscle strength evaluation device capable of achieving sliding positioning measurement

Abstract

The invention relates to a finger muscle strength evaluation device capable of achieving sliding positioning measurement, which comprises a shell, a palm support and a finger support, the palm support is used for supporting the palm center, so that force is conveniently exerted, and fatigue is relieved. The palm support is connected with the shell through a threaded column, and the threaded column is used for adjusting the distance between the palm support and the shell. The shell is provided with a slide way corresponding to the stretching direction of each finger when the palm is in contact with the palm support, the finger support is movably fixed in the slide way, and the finger support is further provided with a pressure sensor used for collecting finger muscle force. Compared with the prior art, the device can be adjusted according to the hand shape difference of a patient, so that the fingers of the patient can be comfortably attached, and the device has the advantages of high adaptability and high measurement result accuracy.

Description

Technical Field

[0001] The invention relates to the field of rehabilitation equipment, in particular to a finger muscle strength assessment device capable of sliding positioning measurement. Background Art

[0002] The hand is the front part of the human arm, consisting of five fingers and the palm. It is mainly used to grasp and hold things. The two hands are symmetrical and mirror images of each other. As the most active organ of the body, fingers are easily injured, such as sprains and pinches. During the recovery process of injuries, ordinary X-rays cannot reveal the injuries and recovery of soft tissues such as sprains.

[0003] Existing equipment is more inclined to exercise equipment for injured fingers. The main feature of these devices is that they are passive devices, do not need to be powered on for testing, and are only used as exercise auxiliary equipment. They cannot monitor the strength of the fingers, and thus cannot make accurate numerical assessments of the rehabilitation status and the direction of exercise. Because there is no data, it cannot directly and accurately reflect the patient's recovery status. Doctors can only rely on the patient to complete certain designated tasks or movements to judge the patient's recovery status, but cannot give reasonable rehabilitation suggestions from the perspective of professional data, as well as possible hidden dangers or precautions in the rehabilitation process.

[0004] At present, some devices for measuring finger strength have fixed structural positions of sensors installed on the fingers. Although finger strength can be measured, due to individual differences among patients and differences in hand size, existing fixed-position sensor measurement devices cannot adapt to different groups of people, resulting in inaccurate measurement data and the inability to take into account multiple situations. Summary of the invention

[0005] The purpose of the present invention is to provide a finger muscle strength assessment device with slidable positioning measurement in order to overcome the defects of the above-mentioned prior art that the finger measurement sensor with fixed position cannot take into account individual differences in measurement, resulting in poor measurement data accuracy and limited scope of application.

[0006] The purpose of the present invention can be achieved by the following technical solutions:

[0007] A finger muscle strength assessment device capable of sliding positioning and measurement comprises a shell, and the device further comprises a palm rest and a finger rest; a threaded column connected to the shell is provided on one side of the palm rest, and the threaded column is used to adjust the distance between the palm rest and the shell; a slideway is provided on the shell, and the direction of the slideway corresponds to the growth direction of each finger when the palm contacts the palm rest, the finger rest can be movably fixed in the slideway, and a pressure sensor for collecting finger muscle strength is also provided on the finger rest.

[0008] Preferably, the finger rest comprises a finger rest body, a vibration motor, a switching circuit board and a metal slide, and the metal slide is connected to the switching circuit board;

[0009] The finger rest body is a columnar structure, one end of the finger rest body is provided with a T-shaped block, the finger rest body is connected to the slideway through the T-shaped block, a central circular hole is provided on the finger rest body, and an end opposite to the T-shaped block is provided with a slot connected to the central circular hole, the vibration motor is fixed in the central circular hole, the pressure sensor is fixed in the slot, the adapter circuit board is fixed on the T-shaped block, and the vibration motor and the pressure sensor are both connected to the adapter circuit board.

[0010] Preferably, a Velcro tie groove is provided on the side of the finger rest body for fixing the Velcro, and the Velcro tie groove is a through hole groove.

[0011] Preferably, a side groove connected to the card slot is provided on the side of the finger rest body, and the pressure sensor is a thin film pressure sensor, and the pressure sensor is wrapped on the finger rest body through the card slot and the edge of the side groove.

[0012] Preferably, a metal slide groove is provided in the slideway, the metal slide sheet is in contact with and connected to the metal slide groove, and the metal slide groove is connected to a control mainboard.

[0013] Preferably, the finger rest further comprises a silicone gasket, and the silicone gasket is arranged in an effective pressing area of ​​the pressure sensor.

[0014] Preferably, a threaded through hole is provided on the shell, one end of the threaded column is connected to the palm rest, and the other end is rotatably fixed in the threaded through hole.

[0015] Preferably, an arc-shaped supporting end surface is provided at one end of the palm rest away from the threaded column, and hemispherical silicone bumps are provided on the arc-shaped supporting end surface. There are multiple hemispherical silicone bumps, and each hemispherical silicone bump is evenly distributed on the arc-shaped supporting end surface.

[0016] Preferably, the shell comprises an upper shell and a lower shell, the shell is a spherical structure, a vibrator is provided in the upper shell, and the vibrator is used to drive the palm rest to vibrate.

[0017] Preferably, a Bluetooth speaker, an indicator light, a control mainboard and a lithium battery are provided in the shell, the control mainboard is connected to the lithium battery, the Bluetooth speaker, the indicator light and the pressure sensor are respectively connected to the control mainboard, and the control mainboard is connected to the host computer via wireless communication for transmitting the finger muscle strength data detected by the pressure sensor to the host computer.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] (1) In this scheme, the patient places his palm on the palm rest. According to the size of the palm, the distance between the palm rest and the shell is adjusted by the threaded column. The finger rest moves in the slide so that the patient's fingers can touch the finger rest. The position of the finger rest is further adjusted so that the patient's fingers are in the most comfortable position. After the adjustment of the measuring device is completed, the fingers are fixed on the finger rest. Then the patient's fingers exert force, and the pressure sensor on the finger rest is used for measurement.

[0020] The distance between the palm rest and the housing is adjusted by the threaded column, and the distance between the finger rest and the palm rest is adjusted by the slideway, so that the distance between the palm rest and the finger rest can adapt to the size of the patient's palm. It can be adjusted according to the patient's hand shape, improve the adaptability and application range of the device, avoid customization for specific customers, put the patient in a comfortable force state, and improve the measurement accuracy of the measuring device.

[0021] (2) The finger rest of this solution has vibration sensors and thin film pressure sensors inside, and their signals are connected to the adapter circuit board at the bottom of the finger rest. The circuit board is also equipped with a metal slide plate, which is used to transfer the wiring of the sensor on the circuit board to this metal slide plate, so that it can cooperate with the metal slide installed on the upper shell to transmit the sensor signal to the control main board. This not only solves the problem of movable and adjustable finger rest, but also saves the need for wire connection, which is convenient and trouble-free. At the same time, the finger rest has reserved through-hole slots for convenient binding of Velcro straps, which can fix the finger function.

[0022] (3) When using this solution, patients can adjust it according to their own hand shape, so that the palm rest and finger rest can better adapt to the hand shape, which not only solves the need to collect data of different hand shapes with the same device, but also saves costs. Moreover, during the patient's use, there can be coordination of sound, vibration and indicator light, which gives the patient a better user experience and effectively avoids the patient's boredom during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of the evaluation device provided by the present invention from a first perspective;

[0024] Figure 2 A schematic diagram of the structure of the evaluation device provided by the present invention from a second viewing angle;

[0025] Figure 3 A schematic structural diagram of the palm rest provided by the present invention from a first viewing angle;

[0026] Figure 4 A schematic structural diagram of a second viewing angle of the palm rest provided by the present invention;

[0027] Figure 5 A schematic structural diagram of the finger support provided by the present invention from a first viewing angle;

[0028] Figure 6 A schematic structural diagram of the finger support provided by the present invention from a second viewing angle;

[0029] Figure 7 A schematic diagram of the structure of the upper shell provided by the present invention;

[0030] Figure 8 A schematic diagram of the structure of the lower housing provided by the present invention;

[0031] Fig. 9 A schematic diagram of the structure of the indicator light provided by the present invention arranged on the lower housing;

[0032] Fig.10 A schematic diagram of the structure of the vibration motor provided by the present invention;

[0033] In the figure: 1. shell, 2. palm rest, 3. finger rest, 4. slide, 5. indicator light, 6. indicator light control chip, 7. vibration motor; 11. upper shell, 12. lower shell; 21. threaded column, 22. hemispherical silicone bump; 31. finger rest body, 32. adapter circuit board, 33. metal slide, 34. T-shaped card block, 35. center circular hole, 36. card slot, 37. Velcro cable tie slot. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0035] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0037] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the inventive product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0038] It should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0039] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0040] Example 1

[0041] like Figure 1 As shown, this embodiment provides a finger muscle strength assessment device that can be slidably positioned and measured, including a shell 1, and the device also includes a palm rest 2 and a finger rest 3; a threaded column 21 connected to the shell 1 is provided on one side of the palm rest 2, and the threaded column 21 is used to adjust the distance between the palm rest 2 and the shell 1; a slideway 4 is provided on the shell 1, and the direction of the slideway 4 corresponds to the extension direction of each finger when the palm contacts the palm rest 2, and the finger rest 3 can be movably fixed in the slideway 4, and a pressure sensor for collecting finger muscle strength is also provided on the finger rest 3.

[0042] Working principle: the patient places his palm on the palm rest 2, and adjusts the distance between the palm rest 2 and the shell 1 through the threaded column 21 according to the size of the palm, cooperates with the finger rest 3 to move in the slide 4, so that the patient's fingers can touch the finger rest 3, and further adjusts the position of the finger rest 3 so that the patient's fingers are in the most comfortable position to complete the adjustment of the measuring device, fix the fingers on the finger rest 3, and then the patient's fingers exert force, which is measured by the pressure sensor on the finger rest 3.

[0043] The distance between the palm rest 2 and the housing 1 is adjusted by the threaded column 21, and the distance between the finger rest 3 and the palm rest 2 is adjusted by the slideway 4, so that the distance between the palm rest 2 and the finger rest 3 can adapt to the size of the patient's palm. It can be adjusted according to the patient's hand shape, improve the adaptability and application range of the device, avoid customization for specific customers, put the patient in a comfortable force state, and improve the measurement accuracy of the measuring device.

[0044] In a preferred embodiment, the finger rest 3 includes a finger rest body 31, a vibration motor 7, a transfer circuit board 32 and a metal slide 33, wherein the metal slide 33 is connected to the transfer circuit board 32;

[0045] The finger rest body 31 is a columnar structure, and a T-shaped block 34 is provided at one end of the finger rest body 31. The finger rest body 31 is connected to the slide 4 through the T-shaped block 34. A center circular hole 35 is provided on the finger rest body 31, and a slot 36 connected to the center circular hole 35 is provided at the end opposite to the T-shaped block 34. The vibration motor 7 is fixed in the center circular hole 35, the pressure sensor is fixed in the slot 36, the adapter circuit board 32 is fixed on the T-shaped block 34, and the vibration motor and the pressure sensor are both connected to the adapter circuit board 32.

[0046] A metal slide groove is provided in the slideway 4, the metal slide sheet 33 contacts and connects the metal slide groove, and the metal slide groove is connected to the control mainboard.

[0047] There are vibration sensors and thin film pressure sensors inside the finger rest. Their signals are connected to the adapter circuit board at the bottom of the finger rest. The circuit board is also equipped with a metal slide plate. Its function is to transfer the wiring of the sensor on the circuit board to this metal slide plate. In order to cooperate with the metal slide installed on the upper shell, the sensor signal is transmitted to the control main board. This not only solves the problem of movable and adjustable finger rest, but also saves the need for wire connection, which is convenient and trouble-free.

[0048] Optionally, a Velcro strap groove 37 is provided on the side of the finger rest body 31 for fixing the Velcro, and the Velcro strap groove 37 is a through hole groove.

[0049] A Velcro strap groove 37 with a through hole structure is reserved on the side of the finger support body 31 to facilitate tying the Velcro strap to the finger support body 31 to fix the finger and improve the stability of finger muscle strength measurement.

[0050] The side of the finger rest body 31 is provided with a side groove connected to the card slot 36 , and the pressure sensor is a thin film pressure sensor, which is wrapped on the finger rest body 31 through the card slot 36 and the edge of the side groove.

[0051] In order to prevent the film pressure sensor from being loosely installed on the finger rest body 31, an edge wrapping structure is used, which can effectively fix the film pressure sensor and prevent the sensor from being separated from the card slot 36 due to a 90-degree bending of the film pressure sensor.

[0052] Optionally, the finger rest 3 further comprises a silicone gasket, which is arranged in the effective pressing area of ​​the pressure sensor. By arranging the silicone gasket in the effective pressing area of ​​the thin film pressure sensor on the finger rest body 31, that is, the main pressing area of ​​the patient's finger, the patient's pressing comfort can be improved.

[0053] Specifically, a threaded through hole is provided on the housing 1 , one end of the threaded column 21 is connected to the palm rest 2 , and the other end is rotatably fixed in the threaded through hole.

[0054] Among them, an arc-shaped supporting end surface is provided at one end of the palm rest 2 away from the threaded column 21, and a hemispherical silicone protrusion 22 is provided on the arc-shaped supporting end surface. There are multiple hemispherical silicone protrusions 22, and each hemispherical silicone protrusion 22 is evenly distributed on the arc-shaped supporting end surface.

[0055] Furthermore, the shell 1 includes an upper shell 11 and a lower shell 12. The shell 1 is a spherical structure. A vibrator is provided in the upper shell 11. The vibrator is used to drive the palm rest 2 to vibrate. It can be understood that the vibrator here can also use a vibration motor to achieve the corresponding function.

[0056] When using the device, patients can adjust it according to the characteristics of their hand shape, so that the palm rest and finger rest can better adapt to the hand shape, which not only solves the need to collect data of different hand shapes with the same device, but also saves costs. Moreover, during the patient's use, there can be coordination of sound, vibration and indicator light, which can give the patient a better user experience and effectively avoid the patient's boredom during operation.

[0057] Specifically, a Bluetooth speaker, an indicator light, a control mainboard and a lithium battery are arranged in the housing 1. The lithium battery, the Bluetooth speaker, the indicator light and the pressure sensor are connected to the control mainboard respectively, and the control mainboard is connected to the host computer by wireless communication, so as to transmit the finger muscle force data detected by the pressure sensor to the host computer.

[0058] In combination with the above preferred implementation manner, the present embodiment also provides a more specific implementation manner, in which the slidable positioning and measuring finger muscle strength assessment device comprises a housing 1, a palm rest 2, a finger rest 3, a vibration motor, a Bluetooth speaker, an indicator light, an ARM control panel, a thin film pressure sensor, and a polymer lithium battery.

[0059] The housing 1 is a spherical structure, and ABS material can be used for subsequent processing and painting. The housing includes an upper housing and a lower housing. A palm rest is installed on the top of the upper housing, and a finger rest is installed in the finger direction. The finger rest is installed in the slideway, and the slideway has a metal slideway connected to the ARM embedded board. The lower housing is equipped with a Bluetooth audio speaker, a status indicator light, a switch and a charging port, and a fixing bolt hole at the bottom.

[0060] Palm rest 2. The purpose of the palm rest is to solve the problem of gap between the palm and the upper shell caused by the size of the hand, which makes it difficult for the hand to exert force. The palm rest adopts a threaded column to facilitate rotation to adjust the height. At the same time, there are silicone bumps on the top to stimulate the hand.

[0061] Each finger corresponds to a finger rest, and the finger rest moves in the slideway to meet the needs of fingers of different lengths. The slideway uses a metal slideway and is connected to the ARM control board. The vibration motor includes one installed on the top of the upper shell, which is specifically used to drive the vibration of the palm rest 2, and the other is installed on each finger rest 3, the purpose of which is to vibrate each finger.

[0062] The finger rest consists of the finger rest body, film pressure sensor, vibration motor, adapter circuit board, metal slide, and Velcro tie slot. The vibration motor is installed in the central circular hole, and the film pressure sensor is installed on it. In order to prevent the film pressure sensor from being installed loosely, an edge wrapping structure is adopted, which can effectively fix the film pressure sensor and prevent the sensor from being separated due to a 90-degree bend. The sensor wire lead is connected to the adapter circuit board below, and all signals are connected to the slideway of the upper shell by the metal slide. The Velcro tie slot can be connected to Velcro, which can fix the finger to prevent the finger from leaving the finger rest and prevent the finger from moving and causing measurement deviation.

[0063] The Bluetooth speaker uses an independent Bluetooth speaker module, and the speakers are placed on both sides of the lower housing 12. The purpose of installing two is to ensure the best sound quality. The indicator light 5 is controlled by an independent indicator light control chip 6, which can achieve communication effects, and the purpose is to achieve dynamic changes with music. The lower housing 12 has a charging port and a switch.

[0064] The ARM control board collects the pressure of 5 fingers and the remaining battery voltage, controls the movement of the vibration motor, and communicates with the host computer using wireless Bluetooth.

[0065] Thin film pressure sensor, resistance type pressure sensor, changes in pressure lead to changes in resistance, detect finger strength, and convert the output into a voltage value through the circuit. The magnitude of the voltage corresponds to the magnitude of the finger pressure. A silicone gasket is attached to the effective pressing area on the sensor surface to make pressing comfortable.

[0066] The lithium battery uses a large-capacity polymer thin-film battery to ensure safety and save internal space as much as possible. Because there are bolt holes at the bottom of the lower shell, in order to prevent the bolts from being tightened and puncturing the battery, a stainless steel plate with a thickness of 1-2mm is installed at the bottom of the battery and the screw hole to dissipate heat and protect it.

[0067] In order to better adapt to different finger lengths, the appearance adopts a spherical slide mode. When the palm is pressed against the top palm rest, each finger presses the finger rest and moves the finger rest to the appropriate position according to the length of the finger. The device distinguishes between left and right hands. The lower cover remains unchanged, and only the upper cover part, that is, the upper sphere part, can be replaced, which can save production parts and make it a universal part.

[0068] The preferred specific embodiments of the present invention are described in detail above. It should be understood that a person skilled in the art can make many modifications and changes based on the concept of the present invention without creative work. Therefore, any technical solution that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the prior art should be within the scope of protection determined by the claims.

Claims

1. A finger muscle strength assessment device capable of sliding positioning and measurement, comprising a housing (1), characterized in that: The device further comprises a palm rest (2) and a finger rest (3); a threaded column (21) connected to the shell (1) is provided on one side of the palm rest (2), and the threaded column (21) is used to adjust the distance between the palm rest (2) and the shell (1); a slideway (4) is provided on the shell (1), and when the slideway (4) and the palm contact the palm rest (2), the extension direction of each finger corresponds, and the finger rest (3) can be movably fixed in the slideway (4), and a pressure sensor for collecting finger muscle strength is also provided on the finger rest (3).

2. A finger muscle strength assessment device capable of sliding positioning and measurement according to claim 1, characterized in that: The finger rest (3) comprises a finger rest body (31), a vibration motor (7), a switching circuit board (32) and a metal slide (33), wherein the metal slide (33) is connected to the switching circuit board (32); The finger support body (31) is a columnar structure. A T-shaped block (34) is provided at one end of the finger support body (31). The finger support body (31) is connected to the slideway (4) via the T-shaped block (34). A central circular hole (35) is provided on the finger support body (31), and a card slot (36) communicating with the central circular hole (35) is provided at the end opposite to the T-shaped block (34). The vibration motor (7) is fixed in the central circular hole (35), the pressure sensor is fixed in the card slot (36), the adapter circuit board (32) is fixed on the T-shaped block (34), and the vibration motor and the pressure sensor are both connected to the adapter circuit board (32).

3. A finger muscle strength assessment device capable of sliding positioning and measurement according to claim 2, characterized in that: A Velcro strap groove (37) is provided on the side of the finger support body (31) for fixing the Velcro, and the Velcro strap groove (37) is a through hole groove.

4. The finger muscle strength assessment device capable of sliding positioning and measurement according to claim 2, characterized in that: The side of the finger support body (31) is provided with a side groove connected to the card slot (36); the pressure sensor is a thin film pressure sensor; the pressure sensor is wrapped on the finger support body (31) through the card slot (36) and the edge of the side groove.

5. The finger muscle strength assessment device capable of sliding positioning and measurement according to claim 2, characterized in that: A metal slide groove is provided in the slideway (4), the metal slide sheet (33) is in contact with and connected to the metal slide groove, and the metal slide groove is connected to a control mainboard.

6. The finger muscle strength assessment device capable of sliding positioning and measurement according to claim 2, characterized in that: The finger rest (3) further comprises a silicone gasket, which is arranged in an effective pressing area of ​​the pressure sensor.

7. The finger muscle strength assessment device capable of sliding positioning and measurement according to claim 1, characterized in that: The housing (1) is provided with a threaded through hole, one end of the threaded column (21) is connected to the palm rest (2), and the other end is rotatably fixed in the threaded through hole.

8. The finger muscle strength assessment device capable of sliding positioning and measurement according to claim 1, characterized in that: An arc-shaped support end surface is provided at one end of the palm rest (2) away from the threaded column (21), and a hemispherical silicone protrusion (22) is provided on the arc-shaped support end surface. The number of the hemispherical silicone protrusions (22) is multiple, and each hemispherical silicone protrusion (22) is evenly distributed on the arc-shaped support end surface.

9. The finger muscle strength assessment device capable of sliding positioning and measurement according to claim 1, characterized in that: The housing (1) comprises an upper housing (11) and a lower housing (12); the housing (1) is a spherical structure; a vibrating member is provided in the upper housing (11); the vibrating member is used to drive the palm rest (2) to vibrate.

10. The finger muscle strength assessment device capable of sliding positioning and measurement according to claim 1, characterized in that: The housing (1) is provided with a Bluetooth speaker, an indicator light, a control mainboard and a lithium battery. The control mainboard is connected to the lithium battery. The Bluetooth speaker, the indicator light and the pressure sensor are respectively connected to the control mainboard. The control mainboard is connected to a host computer via wireless communication, and is used to transmit finger muscle strength data detected by the pressure sensor to the host computer.

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