Lower limb prosthesis with motion coordination function

Abstract

The invention relates to a lower limb prosthesis with a motion coordination function, and relates to the technical field of medical instruments, the lower limb prosthesis comprises a limb receiving cavity, a lower limb receiving cavity, an upper limb receiving cavity and a lower limb receiving cavity, the artificial limb supporting rod is arranged at the bottom of the limb receiving cavity; an artificial limb foot is rotatably arranged at the bottom end of the artificial limb supporting rod; the annular pressure monitoring piece is arranged on the inner wall of the limb receiving cavity; the control element is arranged on the inner wall of the limb receiving cavity; the annular pressure monitoring piece comprises an annular base arranged on the inner wall of the limb receiving cavity; a plurality of pressure monitoring components which are annularly arranged; and each pressure monitoring component is arranged on the annular base through an electric telescopic rod piece. The device is simple in structure, is provided with the pressure monitoring part, can know the wearing pressure of a user, and improves the wearing experience of the user.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and in particular to a lower limb prosthesis with movement coordination function. Background Art

[0002] At present, the installation and popularization of lower limb prostheses is an important means to meet the basic needs of amputees. Installing prostheses can not only restore the original shape and function of the patient's missing limbs, but also avoid the adverse effects of amputation on the patient. The mainstream prostheses on the market are usually non-powered, and their flexion and extension movements are driven by the leg stump. Due to the different conditions of the wearer, there may be uncoordinated movements.

[0003] Therefore, in order to improve the user experience, a lower limb prosthesis with motion coordination function is provided. Summary of the invention

[0004] The present application provides a lower limb prosthesis with a motion coordination function, which has a simple structure and a pressure monitoring component, and can understand the wearing pressure of the user, thereby improving the wearing experience for the user.

[0005] The present application provides a lower limb prosthesis with a motion coordination function, the lower limb prosthesis comprising:

[0006] A limb receiving cavity, wherein the upper portion of the limb receiving cavity is provided with a limb entry opening;

[0007] A prosthetic support rod disposed at the bottom of the limb receiving cavity;

[0008] The bottom end of the prosthetic support rod is rotatably provided with a prosthetic foot;

[0009] An annular pressure monitoring member disposed on the inner wall of the limb receiving cavity;

[0010] A control element is arranged on the inner wall of the limb receiving cavity; wherein,

[0011] The annular pressure monitoring component comprises:

[0012] An annular base disposed on the inner wall of the limb receiving cavity;

[0013] A plurality of pressure monitoring components arranged in a ring;

[0014] Each of the pressure monitoring components is arranged on the annular base through an electric telescopic rod;

[0015] When the telescopic lengths of the electric telescopic rods are consistent, the annular structure formed by the plurality of pressure monitoring components has the same profile as the annular base and is located inside the annular base;

[0016] The control element is signal-connected to each of the pressure monitoring components and each of the electric telescopic rods.

[0017] On the basis of the above technical solution, the pressure monitoring component includes:

[0018] Pressure sensing components;

[0019] An arc-shaped contact component is arranged on the surface of the pressure sensing component; wherein,

[0020] The arc-shaped contact component and the electric telescopic rod are located on a set of symmetrical side walls of the pressure sensing component;

[0021] The control element is signal-connected to each of the pressure sensing components.

[0022] Based on the above technical solution, the arc-shaped contact component is made of elastic rubber material.

[0023] Based on the above technical solution, when the telescopic lengths of the electric telescopic rods are consistent, the annular structure formed by the multiple pressure sensing components and the annular structure formed by the multiple arc-shaped contact components have the same contour as the annular base and are located inside the annular base.

[0024] On the basis of the above technical solution, the control element is used to record the first pressure value of each of the pressure sensing components;

[0025] The control element is also used to control the electric telescopic rod corresponding to the pressure sensing component to adjust its own length when the first pressure value of the pressure sensing component is greater than a first pressure limit threshold, until the first pressure value of the pressure sensing component is no greater than the first pressure limit threshold.

[0026] On the basis of the above technical solution, the control element is used to record the first pressure value of each of the pressure sensing components;

[0027] The control element is further used to obtain a first fatigue influence coefficient based on the first pressure value and a preset first standard pressure value, and to calculate and obtain a first fatigue influence value corresponding to each of the pressure sensing components based on the time when the corresponding pressure sensing component monitors and obtains the first pressure value, and to count the first fatigue influence values ​​of each of the pressure sensing components to obtain a corresponding first fatigue influence total value;

[0028] The control element is further used to obtain a first fatigue total influence coefficient based on the first fatigue influence total value and a preset first fatigue influence standard total value;

[0029] The control element is further used to obtain the corresponding first fatigue relief expansion and contraction rate, first fatigue expansion and contraction range, and first fatigue relief time based on the first fatigue total influence coefficient, the first fatigue relief standard expansion and contraction rate, the first fatigue expansion and contraction standard range, and the first fatigue relief standard time;

[0030] The control element is further used to control each of the electric telescopic rods to extend and retract based on the first fatigue relief extension and retraction rate and the first fatigue extension and retraction range within the first fatigue relief time.

[0031] On the basis of the above technical solution, the lower limb prosthesis further includes a residual limb end receiving piece, and the residual limb end receiving piece includes:

[0032] Bowl-shaped pressure monitoring piece;

[0033] A receiving support structure is arranged at the bottom of the bowl-shaped pressure monitoring component and is slidably connected to the inner wall of the limb receiving cavity; wherein:

[0034] The control element is in signal connection with the bowl-shaped pressure monitoring element.

[0035] On the basis of the above technical solution, the bowl-shaped pressure monitoring component comprises:

[0036] A bowl-shaped pressure sensing component;

[0037] At least one electric massage component disposed on the top surface of the bowl-shaped pressure sensing component;

[0038] The bottom of the bowl-shaped pressure sensing component is connected to the top of the receiving support structure;

[0039] The receiving support structure is slidably arranged on the inner wall of the limb receiving cavity through a plurality of symmetrically arranged electrically controlled sliding components; wherein,

[0040] The control element is in signal connection with the bowl-shaped pressure monitoring component and the electrically controlled sliding component.

[0041] Based on the above technical solution, the control element is also used to record the second pressure value of the bowl-shaped pressure sensing component;

[0042] The control element is also used to control the electrically controlled sliding component to slide on the inner wall of the limb receiving cavity when the second pressure value of the bowl-shaped pressure sensing component is greater than the second pressure limit threshold, so as to adjust the height of the supporting structure and the bowl-shaped pressure monitoring component until the second pressure value of the bowl-shaped pressure sensing component is no greater than the second pressure limit threshold.

[0043] Based on the above technical solution, the control element is also used to record the second pressure value of the bowl-shaped pressure sensing component;

[0044] The control element is further used to obtain a second fatigue influence coefficient based on the second pressure value and a preset second standard pressure value, and the bowl-shaped pressure sensing component monitors the time when the second pressure value is obtained, and calculates a second fatigue influence total value corresponding to the bowl-shaped pressure sensing component;

[0045] The control element is further used to obtain a second fatigue influence total coefficient based on the second fatigue influence total value and a preset second fatigue influence standard total value;

[0046] The control element is further used to obtain the corresponding second fatigue relief vibration frequency, second fatigue relief vibration amplitude and second fatigue relief time based on the second fatigue influence total coefficient, the second fatigue relief standard vibration frequency, the second fatigue relief standard vibration amplitude and the second fatigue relief standard time;

[0047] The control element is further used to control the electric massage component to vibrate based on the second fatigue relief vibration frequency and the second fatigue relief vibration amplitude during the second fatigue relief time.

[0048] On the basis of the above technical solution, the bottom end of the prosthetic support rod is rotatably connected to the prosthetic foot via a foot rotating member;

[0049] The foot rotation member is configured to have three mutually perpendicular rotation planes;

[0050] The control element is signal-connected to the foot rotation member.

[0051] On the basis of the above technical solution, a plurality of plantar pressure monitoring components are arranged in a matrix manner at the bottom of the prosthetic foot; wherein,

[0052] The control element is connected to each of the foot pressure monitoring components by signal.

[0053] On the basis of the above technical solution, the prosthetic foot is preset with a plantar coordinate system, and each plantar pressure monitoring component is configured with corresponding coordinate information;

[0054] The control element is further used to obtain the plantar pressure center based on the third pressure value and corresponding coordinate information monitored by the plantar pressure monitoring component;

[0055] The control element is also used to compare the plantar pressure center with a preset plantar standard pressure center to obtain a center deviation distance value;

[0056] The control element is also used to control the foot rotating member to rotate when the center deviation distance value is greater than a preset center deviation distance threshold, until the center deviation distance value is no greater than the center deviation distance threshold; wherein,

[0057] Values ​​obtained by multiplying the distance between the plantar pressure center and each plantar pressure monitoring component by the third pressure value of each plantar pressure monitoring component are all the same.

[0058] The beneficial effects of the technical solution provided by this application include:

[0059] The present application has a simple structure and is equipped with a pressure monitoring component, which can understand the wearing pressure of the user and improve the wearing experience for the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0060] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0061] Figure 1 A schematic diagram of the structure of a lower limb prosthesis with movement coordination function provided in an embodiment of the present application;

[0062] Figure 2 A schematic diagram of the internal structure of a limb receiving cavity in a lower limb prosthesis with a movement coordination function provided in an embodiment of the present application;

[0063] Figure 3 A schematic diagram of the structure of a prosthetic foot in a lower limb prosthesis with a motion coordination function provided in an embodiment of the present application;

[0064] Figure 4 A schematic diagram of the assembly structure of a limb receiving cavity and an annular pressure monitoring component in a lower limb prosthesis with a motion coordination function provided in an embodiment of the present application;

[0065] Figure 5 This is a schematic diagram of the structure of a bowl-shaped pressure monitoring component in a lower limb prosthesis with a movement coordination function provided in an embodiment of the present application;

[0066] In the figure: 1. Limb receiving cavity; 10. Limb entry opening; 2. Prosthetic limb support rod; 3. Prosthetic foot; 30. Plantar pressure monitoring component; 4. Annular pressure monitoring component; 40. Annular base; 41. Pressure monitoring component; 410. Pressure sensing component; 411. Arc-shaped contact component; 42. Electric telescopic rod; 5. Control element; 6. Residual limb end receiving component; 60. Bowl-shaped pressure monitoring component; 600. Bowl-shaped pressure sensing component; 601. Electric massage component; 61. Receiving support structure; 62. Electric controlled sliding component; 7. Foot rotating component. DETAILED DESCRIPTION

[0067] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0068] The embodiments of the present application are further described in detail below in conjunction with the accompanying drawings.

[0069] The embodiment of the present application provides a lower limb prosthesis with a motion coordination function, which has a simple structure and a pressure monitoring component, and can understand the wearing pressure of the user, thereby improving the wearing experience for the user.

[0070] In order to achieve the above technical effects, the overall idea of ​​this application is as follows:

[0071] A lower limb prosthesis with movement coordination function, the lower limb prosthesis comprising:

[0072] A limb receiving cavity 1, wherein the upper portion of the limb receiving cavity 1 is provided with a limb entry opening 10;

[0073] A prosthetic support rod 2 disposed at the bottom of the limb receiving cavity 1;

[0074] The bottom end of the prosthetic support rod 2 is rotatably provided with a prosthetic foot 3;

[0075] An annular pressure monitoring member 4 is arranged on the inner wall of the limb receiving cavity 1;

[0076] A control element 5 is arranged on the inner wall of the limb receiving cavity 1; wherein,

[0077] The annular pressure monitoring element 4 comprises:

[0078] An annular base 40 is arranged on the inner wall of the limb receiving cavity 1;

[0079] A plurality of pressure monitoring components 41 arranged in a ring shape;

[0080] Each of the pressure monitoring components 41 is arranged on the annular base 40 through an electric telescopic rod 42;

[0081] When the telescopic lengths of the electric telescopic rods 42 are consistent, the annular structure formed by the plurality of pressure monitoring components 41 has the same profile as the annular base 40 and is located inside the annular base 40;

[0082] The control element 5 is connected to each of the pressure monitoring components 41 and each of the electric telescopic rods 42 by signals.

[0083] The embodiments of the present application are further described in detail below in conjunction with the accompanying drawings.

[0084] See also Figures 1 to 5 As shown, the embodiment of the present application provides a lower limb prosthesis with a motion coordination function, the lower limb prosthesis comprising:

[0085] A limb receiving cavity 1, wherein the upper portion of the limb receiving cavity 1 is provided with a limb entry opening 10;

[0086] A prosthetic support rod 2 disposed at the bottom of the limb receiving cavity 1;

[0087] The bottom end of the prosthetic support rod 2 is rotatably provided with a prosthetic foot 3;

[0088] An annular pressure monitoring member 4 is arranged on the inner wall of the limb receiving cavity 1;

[0089] A control element 5 is arranged on the inner wall of the limb receiving cavity 1; wherein,

[0090] The annular pressure monitoring element 4 comprises:

[0091] An annular base 40 is arranged on the inner wall of the limb receiving cavity 1;

[0092] A plurality of pressure monitoring components 41 arranged in a ring shape;

[0093] Each of the pressure monitoring components 41 is arranged on the annular base 40 through an electric telescopic rod 42;

[0094] When the telescopic lengths of the electric telescopic rods 42 are consistent, the annular structure formed by the plurality of pressure monitoring components 41 has the same profile as the annular base 40 and is located inside the annular base 40;

[0095] The control element 5 is connected to each of the pressure monitoring components 41 and each of the electric telescopic rods 42 by signals.

[0096] The embodiment of the present application has a simple structure and is provided with a pressure monitoring component, which can understand the wearing pressure of the user and improve the wearing experience for the user.

[0097] Furthermore, the pressure monitoring component 41 includes:

[0098] Pressure sensing component 410;

[0099] An arc-shaped contact component 411 is arranged on the surface of the pressure sensing component 410; wherein,

[0100] The arc-shaped contact component 411 and the electric telescopic rod 42 are located on a set of symmetrical side walls of the pressure sensing component 410;

[0101] The control element 5 is connected to each of the pressure sensing components 410 in signal connection.

[0102] Furthermore, the arc-shaped contact component 411 is made of elastic rubber material.

[0103] Furthermore, when the telescopic lengths of the electric telescopic rods 42 are consistent, the annular structure formed by the multiple pressure sensing components 410 and the annular structure formed by the multiple arc-shaped contact components 411 have the same contour as the annular base 40 and are located inside the annular base 40 .

[0104] Furthermore, the control element 5 is used to record the first pressure value of each of the pressure sensing components 410;

[0105] The control element 5 is also used to control the electric telescopic rod 42 corresponding to the pressure sensing component 410 to adjust its own length when the first pressure value of the pressure sensing component 410 is greater than the first pressure limit threshold, until the first pressure value of the pressure sensing component 410 is not greater than the first pressure limit threshold.

[0106] Furthermore, the control element 5 is used to record the first pressure value of each of the pressure sensing components 410;

[0107] The control element 5 is further used to obtain a first fatigue influence coefficient based on the first pressure value and a preset first standard pressure value, and to calculate and obtain the first fatigue influence value corresponding to each of the pressure sensing components 410 based on the time when the corresponding pressure sensing component 410 monitors and obtains the first pressure value, and to count the first fatigue influence values ​​of each of the pressure sensing components 410 to obtain the corresponding first fatigue influence total value;

[0108] The control element 5 is further used to obtain a first fatigue total influence coefficient based on the first fatigue influence total value and a preset first fatigue influence standard total value;

[0109] The control element 5 is further used to obtain the corresponding first fatigue relief expansion and contraction rate, first fatigue expansion and contraction range and first fatigue relief time based on the first fatigue total influence coefficient, the first fatigue relief standard expansion and contraction rate, the first fatigue expansion and contraction standard range and the first fatigue relief standard time;

[0110] The control element 5 is further used to control each of the electric telescopic rods 42 to extend and retract based on the first fatigue relief extension and retraction rate and the first fatigue extension and retraction range within the first fatigue relief time.

[0111] It should be noted that, assuming that the first pressure value is P1, the first standard pressure value is Q1, the first fatigue influence coefficient is P1 divided by Q1, denoted as X1;

[0112] Similarly, the total value of the first fatigue effect is recorded as A1, and the total value of the first fatigue effect standard is B1.

[0113] The first fatigue total influence coefficient is A1 divided by B1, denoted as Y1;

[0114] The first fatigue relief standard expansion and contraction rate is multiplied by the first fatigue total influence coefficient to obtain a corresponding first fatigue relief expansion and contraction rate;

[0115] Multiplying the first fatigue total influence coefficient by the first fatigue expansion and contraction standard range to obtain a corresponding first fatigue expansion and contraction range;

[0116] The first fatigue total influence coefficient is multiplied by the first fatigue relief standard time to obtain the corresponding first fatigue relief time.

[0117] Furthermore, the lower limb prosthesis further comprises a residual limb end receiving member 6, and the residual limb end receiving member 6 comprises:

[0118] Bowl-shaped pressure monitoring member 60;

[0119] A receiving support structure 61 is provided at the bottom of the bowl-shaped pressure monitoring member 60 and is slidably connected to the inner wall of the limb receiving cavity 1; wherein:

[0120] The control element 5 is connected to the bowl-shaped pressure monitoring component 60 by signal.

[0121] Furthermore, the bowl-shaped pressure monitoring member 60 includes:

[0122] Bowl-shaped pressure sensing component 600;

[0123] At least one electric massage component 601 disposed on the top surface of the bowl-shaped pressure sensing component 600;

[0124] The bottom of the bowl-shaped pressure sensing component 600 is connected to the top of the receiving support structure 61;

[0125] The receiving support structure 61 is slidably arranged on the inner wall of the limb receiving cavity 1 through a plurality of symmetrically arranged electrically controlled sliding components 62; wherein,

[0126] The control element 5 is connected to the bowl-shaped pressure monitoring component 60 and the electric-controlled sliding component 62 by signals.

[0127] Furthermore, the control element 5 is also used to record the second pressure value of the bowl-shaped pressure sensing component 600;

[0128] The control element 5 is also used to control the electrically controlled sliding component 62 to slide on the inner wall of the limb receiving cavity 1 to adjust the height of the supporting structure 61 and the bowl-shaped pressure monitoring component 60 when the second pressure value of the bowl-shaped pressure sensing component 600 is greater than the second pressure limit threshold, until the second pressure value of the bowl-shaped pressure sensing component 600 is no greater than the second pressure limit threshold.

[0129] Furthermore, the control element 5 is also used to record the second pressure value of the bowl-shaped pressure sensing component 600;

[0130] The control element 5 is further used to obtain a second fatigue influence coefficient based on the second pressure value and a preset second standard pressure value, and the bowl-shaped pressure sensing component 600 monitors the time of obtaining the second pressure value, and calculates and obtains a second fatigue influence total value corresponding to the bowl-shaped pressure sensing component 600;

[0131] The control element 5 is further used to obtain a second fatigue influence total coefficient based on the second fatigue influence total value and a preset second fatigue influence standard total value;

[0132] The control element 5 is further used to obtain the corresponding second fatigue relief vibration frequency, second fatigue relief vibration amplitude and second fatigue relief time based on the second fatigue influence total coefficient, the second fatigue relief standard vibration frequency, the second fatigue relief standard vibration amplitude and the second fatigue relief standard time;

[0133] The control element 5 is further used to control the electric massage component 601 to vibrate based on the second fatigue relief vibration frequency and the second fatigue relief vibration amplitude during the second fatigue relief time.

[0134] It should be noted that, assuming that the second pressure value is P2, the first standard pressure value is Q2, the second fatigue influence coefficient is P2 divided by Q2, recorded as X2;

[0135] Similarly, the second fatigue influence total value is recorded as A2, and the time for the bowl-shaped pressure sensing component 600 to monitor and obtain the second pressure value is recorded as T2.

[0136] Based on the second fatigue influence value brought by the second standard pressure value per unit time, that is, the second fatigue influence standard value, combined with the second fatigue influence coefficient X2, the second fatigue influence actual value is obtained, and combined with the time T2, the second fatigue influence total value is obtained and recorded as A2;

[0137] The total value of the second fatigue influence standard is recorded as B2;

[0138] The total coefficient of the second fatigue effect is A2 divided by B2, denoted as Y2;

[0139] multiplying the second fatigue influence total coefficient by the second fatigue relief standard vibration frequency to obtain a corresponding second fatigue relief vibration frequency;

[0140] multiplying the second fatigue total influence coefficient by the second fatigue relief standard vibration amplitude to obtain a corresponding second fatigue relief vibration amplitude;

[0141] The second fatigue total influence coefficient is multiplied by the second fatigue relief standard time to obtain the corresponding second fatigue relief time.

[0142] Furthermore, the bottom end of the prosthetic support rod 2 is rotatably connected to the prosthetic foot 3 via a foot rotating member 7;

[0143] The foot rotating member 7 is configured to have three mutually perpendicular rotation planes;

[0144] The control element 5 is connected to the foot rotation element 7 in a signal connection.

[0145] Furthermore, a plurality of plantar pressure monitoring components 30 are arranged in a matrix manner at the bottom of the prosthetic foot 3; wherein,

[0146] The control element 5 is connected to each of the plantar pressure monitoring components 30 by signals.

[0147] Furthermore, a plantar coordinate system is preset at the bottom of the prosthetic foot 3, and each plantar pressure monitoring component 30 is configured with corresponding coordinate information;

[0148] The control element 5 is further used to obtain the plantar pressure center based on the third pressure value and corresponding coordinate information monitored by the plantar pressure monitoring component 30;

[0149] The control element 5 is also used to compare the plantar pressure center with a preset plantar standard pressure center to obtain a center deviation distance value;

[0150] The control element 5 is also used to control the foot rotating member 7 to rotate when the center deviation distance value is greater than a preset center deviation distance threshold, until the center deviation distance value is no greater than the center deviation distance threshold; wherein,

[0151] Values ​​obtained by multiplying the distance between the plantar pressure center and each plantar pressure monitoring component 30 by the third pressure value of each plantar pressure monitoring component 30 are all the same.

[0152] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0153] The above is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A lower limb prosthesis with movement coordination function, characterized in that: The lower limb prosthesis comprises: A limb receiving cavity (1), wherein the upper portion of the limb receiving cavity (1) is provided with a limb entry opening (10); A prosthetic limb support rod (2) arranged at the bottom of the limb receiving cavity (1); A prosthetic foot (3) is rotatably provided at the bottom end of the prosthetic support rod (2); An annular pressure monitoring component (4) disposed on the inner wall of the limb receiving cavity (1); A control element (5) is arranged on the inner wall of the limb receiving cavity (1); wherein: The annular pressure monitoring element (4) comprises: An annular base (40) disposed on the inner wall of the limb receiving cavity (1); A plurality of pressure monitoring components (41) arranged in a ring shape; Each of the pressure monitoring components (41) is arranged on the annular base (40) via an electric telescopic rod (42); When the telescopic lengths of the electric telescopic rods (42) are consistent, the annular structure formed by the plurality of pressure monitoring components (41) has the same profile as the annular base (40) and is located inside the annular base (40); The control element (5) is signal-connected to each of the pressure monitoring components (41) and each of the electric telescopic rods (42).

2. The lower limb prosthesis with movement coordination function as claimed in claim 1, characterized in that: The pressure monitoring component (41) comprises: A pressure sensing component (410); An arc-shaped contact component (411) is arranged on the surface of the pressure sensing component (410); wherein, The arc-shaped contact component (411) and the electric telescopic rod (42) are located on a group of symmetrical side walls of the pressure sensing component (410); The control element (5) is signal-connected to each of the pressure sensing components (410); The arc-shaped contact component (411) is made of elastic rubber material; When the telescopic lengths of the electric telescopic rods (42) are consistent, the annular structure formed by the plurality of pressure sensing components (410) and the annular structure formed by the plurality of arc-shaped contact components (411) have the same profile as the annular base (40) and are located inside the annular base (40).

3. The lower limb prosthesis with movement coordination function as claimed in claim 2, characterized in that: The control element (5) is used to record the first pressure value of each of the pressure sensing components (410); The control element (5) is also used to control the electric telescopic rod (42) corresponding to the pressure sensing component (410) to adjust its own length when the first pressure value of the pressure sensing component (410) is greater than a first pressure limit threshold, until the first pressure value of the pressure sensing component (410) is no greater than the first pressure limit threshold.

4. The lower limb prosthesis with movement coordination function as claimed in claim 2, characterized in that: The control element (5) is used to record the first pressure value of each of the pressure sensing components (410); The control element (5) is further used to obtain a first fatigue influence coefficient based on the first pressure value and a preset first standard pressure value, and to calculate and obtain the first fatigue influence value corresponding to each of the pressure sensing components (410) based on the time when the first pressure value is obtained by monitoring the corresponding pressure sensing component (410), and to count the first fatigue influence values ​​of each of the pressure sensing components (410) to obtain the corresponding first fatigue influence total value; The control element (5) is further used to obtain a first fatigue total influence coefficient based on the first fatigue influence total value and a preset first fatigue influence standard total value; The control element (5) is further used to obtain the corresponding first fatigue relief expansion and contraction rate, first fatigue expansion and contraction range and first fatigue relief time based on the first fatigue total influence coefficient, the first fatigue relief standard expansion and contraction rate, the first fatigue relief standard expansion and contraction range and the first fatigue relief standard time; The control element (5) is also used to control each of the electric telescopic rods (42) to telescope within the first fatigue relief time based on the first fatigue relief telescopic rate and the first fatigue telescopic range.

5. The lower limb prosthesis with movement coordination function as claimed in claim 1, characterized in that: The lower limb prosthesis further comprises a residual limb end receiving part (6), and the residual limb end receiving part (6) comprises: A bowl-shaped pressure monitoring member (60); A receiving support structure (61) is arranged at the bottom of the bowl-shaped pressure monitoring component (60) and is slidably connected to the inner wall of the limb receiving cavity (1); wherein: The control element (5) is connected to the bowl-shaped pressure monitoring element (60) by signal.

6. The lower limb prosthesis with movement coordination function as claimed in claim 5, characterized in that: The bowl-shaped pressure monitoring member (60) comprises: a bowl-shaped pressure sensing component (600); At least one electric massage component (601) disposed on the top surface of the bowl-shaped pressure sensing component (600); The bottom of the bowl-shaped pressure sensing component (600) is connected to the top of the receiving support structure (61); The receiving support structure (61) is slidably arranged on the inner wall of the limb receiving cavity (1) through a plurality of symmetrically arranged electrically controlled sliding components (62); wherein: The control element (5) is signal-connected to the bowl-shaped pressure monitoring component (60) and the electrically controlled sliding component (62).

7. The lower limb prosthesis with movement coordination function as claimed in claim 6, characterized in that: The control element (5) is also used to record a second pressure value of the bowl-shaped pressure sensing component (600); The control element (5) is also used to control the electrically controlled sliding component (62) to slide on the inner wall of the limb receiving cavity (1) when the second pressure value of the bowl-shaped pressure sensing component (600) is greater than the second pressure limit threshold, so as to adjust the height of the receiving support structure (61) and the bowl-shaped pressure monitoring component (60) until the second pressure value of the bowl-shaped pressure sensing component (600) is no greater than the second pressure limit threshold.

8. The lower limb prosthesis with movement coordination function as claimed in claim 6, characterized in that: The control element (5) is also used to record a second pressure value of the bowl-shaped pressure sensing component (600); The control element (5) is further used to obtain a second fatigue influence coefficient based on the second pressure value and a preset second standard pressure value, and the bowl-shaped pressure sensing component (600) monitors the time when the second pressure value is obtained, and calculates a second fatigue influence total value corresponding to the bowl-shaped pressure sensing component (600); The control element (5) is further used to obtain a second fatigue influence total coefficient based on the second fatigue influence total value and a preset second fatigue influence standard total value; The control element (5) is further used to obtain the corresponding second fatigue relief vibration frequency, second fatigue relief vibration amplitude and second fatigue relief time based on the second fatigue influence total coefficient, the second fatigue relief standard vibration frequency, the second fatigue relief standard vibration amplitude and the second fatigue relief standard time; The control element (5) is also used to control the electric massage component (601) to vibrate based on the second fatigue relief vibration frequency and the second fatigue relief vibration amplitude during the second fatigue relief time.

9. The lower limb prosthesis with movement coordination function according to claim 1, characterized in that: The bottom end of the prosthetic support rod (2) is rotatably connected to the prosthetic foot (3) via a foot rotating member (7); The foot rotating member (7) is configured to have three mutually perpendicular rotating planes; The bottom of the prosthetic foot (3) is provided with a plurality of plantar pressure monitoring components (30) in a matrix manner; wherein: The control element (5) is signal-connected to the foot rotating member (7) and each of the foot pressure monitoring components (30).

10. The lower limb prosthesis with movement coordination function as claimed in claim 9, characterized in that: A plantar coordinate system is preset at the bottom of the prosthetic foot (3), and each plantar pressure monitoring component (30) is configured with corresponding coordinate information; The control element (5) is further used to obtain the plantar pressure center based on the third pressure value and corresponding coordinate information obtained by monitoring the plantar pressure monitoring component (30); The control element (5) is also used to compare the plantar pressure center with a preset plantar standard pressure center to obtain a center deviation distance value; The control element (5) is also used to control the foot rotating member (7) to rotate when the center deviation distance value is greater than a preset center deviation distance threshold, until the center deviation distance value is no greater than the center deviation distance threshold; wherein, The values ​​obtained by multiplying the distance between the plantar pressure center and each plantar pressure monitoring component (30) by the third pressure value of each plantar pressure monitoring component (30) are all the same.

Images