A pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis

Abstract

The utility model provides a kind of pneumatic type limb rehabilitation exercise device for preventing upper limb venous thrombosis, it solves the insufficient stimulation of existing rehabilitation equipment to muscle blood vessels and other problems, it includes support frame body, and the extrusion component that is connected with air pump is installed on support frame body, support frame body is connected with suspension assembly, and linkage assembly is arranged between support frame body and extrusion component.The utility model has the advantages of stable structure, good rehabilitation effect etc.

Description

Technical Field

[0001] This utility model belongs to the field of medical rehabilitation technology, specifically relating to a pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis. Background Technology

[0002] In the early stages of limb dysfunction, patients often rely on external assistance to move their limbs when they are unable to do so independently. Conventional limb rehabilitation equipment uses motors to drive robotic arms, performing continuous, slow, and passive flexion and extension movements of the limb joints according to set angles, speeds, and times. Alternatively, it uses mechanical devices to generate vibrations or thrusts of specific frequencies and amplitudes to loosen the joints. It can simulate the techniques of a rehabilitation therapist, adjusting joint gaps and improving joint flexibility. However, in actual use, existing rehabilitation equipment can only achieve joint movement and lacks stimulation of muscles and blood vessels, leading to the formation of venous thrombosis.

[0003] To address the shortcomings of existing technologies, people have conducted long-term explorations and proposed various solutions. For example, Chinese patent literature discloses a pneumatic drive method and a pneumatic upper limb rehabilitation training device for limb joint rehabilitation training [200910053022.3]. It consists of a backrest, a shoulder joint linear cylinder, a shoulder joint swing cylinder, an elbow joint linear cylinder, a shoulder joint support, an upper arm support, a forearm support, a hand support, and a forearm swing cylinder. The shoulder joint linear cylinder is fixed to the upper part of the backrest, the shoulder joint swing cylinder is fixed to the shoulder joint support and is fixedly connected to the shoulder joint linear cylinder, the elbow joint linear cylinder is fixed to the upper arm support, and the forearm swing cylinder is fixed to the lower part of the forearm support.

[0004] The above-mentioned approach has solved the problem of limb motor rehabilitation to a certain extent, but it still has many shortcomings, such as the lack of deep stimulation of muscles and blood vessels. Summary of the Invention

[0005] The purpose of this invention is to address the above-mentioned problems by providing a reasonably designed pneumatic limb rehabilitation exercise device that has a good stimulation effect and can prevent upper limb venous thrombosis.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis, comprising a support frame, a compression component connected to an air pump installed on the support frame, a suspension component connected to the support frame, and a linkage component between the support frame and the compression component.

[0007] In the above-mentioned pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis, the support frame includes a front swing arm and a rear swing arm that are rotatably connected. The front swing arm and the rear swing arm are respectively fixed with an openable and closable support sleeve. The suspension component is movably connected to the support sleeve. A hand support is provided at the end of the front swing arm.

[0008] In the above-mentioned pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis, the suspension component includes a movable groove fixed to the support hoop and surrounding it circumferentially, a movable block slidably installed in the movable groove, and the movable block is connected to a suspension bracket by a suspension rope.

[0009] In the aforementioned pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis, a limiting pulley connected to the suspension rope is rotatably mounted on the suspension bracket, and the suspension rope is connected to the lifting motor via a speed-changing gear set.

[0010] In the above-mentioned pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis, the compression component includes a compression strip extending axially along the front swing arm or the rear swing arm. Multiple compression strips are arranged adjacently and fixed to the inner side of the support sleeve. The compression strip is made of flexible material and has an expansion cavity inside. The expansion cavity of the compression strip is connected to the air pump through the compression tube.

[0011] In the above-mentioned pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis, the linkage component is set in the corrugated sleeve at the junction of the front swing arm and the rear swing arm. The corrugated sleeve is fan-shaped and has an opening and closing cavity inside. The opening and closing cavity of the corrugated sleeve is connected to the air pump through the linkage pipe.

[0012] In the above-mentioned pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis, a pressure sensor is attached to the inner side of the compression bar, and an angle sensor is installed at the junction of the front swing arm and the rear swing arm. The pressure sensor and the angle sensor are connected to the main control unit through an analog-to-digital conversion module, and the main control unit is connected to the air pump.

[0013] In the aforementioned pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis, a distribution valve and an on / off valve are respectively installed between the squeezing tube and the linkage tube and the air pump.

[0014] In the aforementioned pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis, a protective shell covering the outside of the compression component is provided on the support frame.

[0015] In the aforementioned pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis, a hook and loop fastener is provided between the compression component and the support frame.

[0016] Compared with existing technologies, the advantages of this utility model are as follows: the extrusion component and the linkage component apply extrusion force while driving the support frame to move under the drive of the air pump, thereby promoting muscle contraction, accelerating blood flow and preventing upper limb thrombosis; the support frame as a whole can be raised and lowered to suspend the upper limb and ensure its flexibility of movement; multiple sensing elements and the air pump provide feedback adjustment to ensure safety and comfort during use. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the suspension bracket of this utility model;

[0019] Figure 3 This is a structural schematic diagram of the support frame of this utility model;

[0020] Figure 4 This is a structural schematic diagram of the support frame of this utility model from another perspective;

[0021] Figure 5 This is a structural block diagram of the present invention;

[0022] In the figure, the components are: support frame 1, front swing arm 11, rear swing arm 12, support hoop 13, hand support 14, extrusion assembly 2, extrusion strip 21, extrusion tube 22, suspension assembly 3, movable groove 31, movable block 32, suspension rope 33, suspension bracket 34, limit pulley 35, linkage assembly 4, corrugated sleeve 41, linkage tube 42, protective shell 5, air pump 6, pressure sensor 61, angle sensor 62, analog-to-digital conversion module 63, and main control unit 64. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0024] like Figure 1-5 As shown, a pneumatic limb rehabilitation exercise device for preventing upper limb deep vein thrombosis includes a support frame 1 for supporting and limiting the upper limb. A compression component 2 connected to an air pump 6 is installed on the support frame 1. When the air pump 6 is activated, the compression component 2 compresses and relaxes the upper limb, thereby promoting muscle contraction and blood flow. To ensure the flexibility of the support frame 1, a suspension component 3 is connected to the support frame 1. A linkage component 4 is provided between the support frame 1 and the compression component 2. This linkage component 4 is also pneumatically driven and works in conjunction with the compression component 2 to ensure flexibility of movement.

[0025] Specifically, similar to a conventional swing arm structure, the support frame 1 in this embodiment includes a front swing arm 11 and a rear swing arm 12 rotatably connected. Each of the front and rear swing arms 11 and 12 is fixed with an openable support sleeve 13. The suspension assembly 3 is movably connected to the support sleeve 13. A hand support 14 is provided at the end of the front swing arm 11. The support sleeve 13 provides support for the compression assembly 2 and also provides a connection point for the suspension assembly 3. The hand support 14 provides effective support for the wrist.

[0026] In detail, to ensure flexibility of movement, the suspension assembly 3 includes a movable groove 31 fixed to the support sleeve 13 and surrounding it circumferentially. A movable block 32 is slidably installed in the movable groove 31, and the movable block 32 is connected to a suspension bracket 34 via a suspension rope 33. When the support frame 1 moves, the suspension rope 33 always remains vertical and will not become entangled with the support frame 1.

[0027] Furthermore, a limiting pulley 35 is rotatably mounted on the suspension bracket 34 and is connected to the suspension rope 33 via a transmission gear set. The suspension rope 33 is connected to the lifting motor via a transmission gear set. The extension of the suspension rope 33 is adjusted by the transmission gear set and the lifting motor, and the limiting pulley 35 ensures its smooth operation.

[0028] Furthermore, the compression assembly 2 includes compression strips 21 extending axially along the front swing arm 11 or the rear swing arm 12. Multiple compression strips 21 are arranged adjacently and fixed to the inner side of the support sleeve 13. The compression strips 21 are made of flexible material and have internal expansion cavities. The expansion cavities of the compression strips 21 are connected to the air pump 6 via compression tubes 22. When the compression strips 21 expand, they apply compression force to the upper limb, achieving deep stimulation of muscles and blood vessels. Driven by the air pump 6, they periodically expand and contract, effectively preventing venous thrombosis.

[0029] In addition, the linkage component 4 is located at the junction of the front swing arm 11 and the rear swing arm 12, in the form of a corrugated sleeve 41. The corrugated sleeve 41 is fan-shaped and has an opening and closing cavity inside. The opening and closing cavity of the corrugated sleeve 41 is connected to the air pump 6 through the linkage pipe 42. The opening and closing of the corrugated sleeve 41 adjusts the angle between the front swing arm 11 and the rear swing arm 12. Compared with the conventional motor drive method, the pneumatic method can provide better buffer margin and at the same time play a certain role in protecting the upper limb joints.

[0030] Meanwhile, a pressure sensor 61 is attached to the inner side of the extrusion bar 21, and an angle sensor 62 is installed at the junction of the front swing arm 11 and the rear swing arm 12. The pressure sensor 61 and the angle sensor 62 are connected to the main control unit 64 through the analog-to-digital conversion module 63. The main control unit 64 is connected to the air pump 6. The dynamic adjustment of the extrusion assembly 2 is achieved by using feedback adjustment.

[0031] As can be seen, in order to further improve the adjustment accuracy, a distribution valve and an on / off valve are respectively installed between the extrusion tube 22 and the linkage tube 42 and the air pump 6. The distribution valve and the on / off valve independently adjust the expansion amount of each extrusion tube 22, and adjust the extrusion pressure and expansion time according to actual needs to achieve fluctuating extrusion of the extrusion tube 22 and ensure the stimulation effect of the extrusion tube 22.

[0032] It is obvious that the support frame 1 is provided with a protective shell 5 covering the outside of the extrusion assembly 2. The protective shell 5 protects the extrusion tube 22 on the one hand, and provides a support surface on the other hand, ensuring that the extrusion force is directed inward.

[0033] Preferably, a hook and loop fastener is provided between the extrusion assembly 2 and the support frame 1 for quick release, and a suitable extrusion assembly 2 is selected according to actual needs.

[0034] In summary, the principle of this embodiment is as follows: the support frame 1 provides support for the compression component 2 and the linkage component 4, and the upper limb is fixed and suspended under the action of the suspension component 3. It uses a pneumatic method to drive the upper limb to swing or perform compression massage, thereby accelerating local blood flow and preventing the formation of upper limb venous thrombosis.

[0035] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0036] Although this document frequently uses terms such as support frame 1, front swing arm 11, rear swing arm 12, support hoop 13, hand support 14, extrusion assembly 2, extrusion strip 21, extrusion tube 22, suspension assembly 3, movable groove 31, movable block 32, suspension rope 33, suspension bracket 34, limiting pulley 35, linkage assembly 4, corrugated sleeve 41, linkage tube 42, protective shell 5, air pump 6, pressure sensor 61, angle sensor 62, analog-to-digital conversion module 63, and main control unit 64, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis, comprising a support frame (1), wherein a compression assembly (2) connected to an air pump (6) is mounted on the support frame (1), characterized in that, The support frame (1) is connected to a suspension assembly (3), and a linkage assembly (4) is provided between the support frame (1) and the compression assembly (2).

2. The pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis according to claim 1, characterized in that, The support frame (1) includes a front swing arm (11) and a rear swing arm (12) that are rotatably connected. The front swing arm (11) and the rear swing arm (12) are respectively fixed with an openable support sleeve (13). The suspension assembly (3) is movably connected to the support sleeve (13). A hand support (14) is provided at the end of the front swing arm (11).

3. The pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis according to claim 2, characterized in that, The suspension assembly (3) includes a movable groove (31) fixed on the support sleeve (13) and surrounding it in the circumferential direction. A movable block (32) is slidably installed in the movable groove (31). The movable block (32) is connected to a suspension bracket (34) by a suspension rope (33).

4. A pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis according to claim 3, characterized in that, The suspension bracket (34) is rotatably mounted with a limiting pulley (35) that is connected to the suspension rope (33) for transmission. The suspension rope (33) is connected to the lifting motor for transmission through a speed-changing gear set.

5. A pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis according to claim 2, characterized in that, The extrusion assembly (2) includes an extrusion strip (21) extending axially along the front swing arm (11) or the rear swing arm (12). Multiple extrusion strips (21) are arranged adjacently and fixed to the inside of the support sleeve (13). The extrusion strip (21) is made of flexible material and has an expansion cavity inside. The expansion cavity of the extrusion strip (21) is connected to the air pump (6) through the extrusion pipe (22).

6. A pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis according to claim 5, characterized in that, The linkage component (4) is set in the corrugated sleeve (41) at the junction of the front swing arm (11) and the rear swing arm (12). The corrugated sleeve (41) is fan-shaped and has an opening and closing cavity inside. The opening and closing cavity of the corrugated sleeve (41) is connected to the air pump (6) through the linkage pipe (42).

7. A pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis according to claim 6, characterized in that, A pressure sensor (61) is attached to the inner side of the extrusion strip (21), and an angle sensor (62) is installed at the junction of the front swing arm (11) and the rear swing arm (12). The pressure sensor (61) and the angle sensor (62) are connected to the main control unit (64) through the analog-to-digital conversion module (63), and the main control unit (64) is connected to the air pump (6).

8. A pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis according to claim 6, characterized in that, A distribution valve and an on / off valve are respectively installed between the extrusion pipe (22) and the linkage pipe (42) and the air pump (6).

9. A pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis according to claim 1, characterized in that, The support frame (1) is provided with a protective shell (5) covering the outside of the extrusion assembly (2).

10. A pneumatic limb rehabilitation exercise device for preventing upper limb venous thrombosis according to claim 1, characterized in that, The extrusion assembly (2) and the support frame (1) are provided with hook and loop fasteners.

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