Clamping plate for orthopedics department
By designing pneumatic components and a transmission mechanism, rapid clamping and joint movement of the fracture splint are achieved, solving the problem of muscle stiffness caused by the inability of existing splints to move, and improving the patient's recovery effect.
Patent Information
- Application Number
- CN202510965467.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-14
- Publication Date
- 2025-11-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing fracture splints cannot allow for joint movement, leading to muscle stiffness and muscle soreness caused by maintaining the same posture for a long time.
The device uses pneumatic components and a transmission mechanism to achieve rapid clamping and joint positioning of the affected limb, and to massage the muscle groups during arm flexion activities in the recovery period.
It improves clamping stability, prevents muscle stiffness and soreness, and promotes fracture recovery.
Smart Images

Figure CN120899445A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of medical device technology, specifically to an orthopedic splint. Background Technology
[0002] Currently, among people suffering from fractures, the forearm fracture rate ranks among the highest. When a forearm fracture occurs, splinting is usually used. The most common practice is to use a splint and bandage to bind the fracture, or to apply a cast. Although this can achieve a certain degree of fixation, the installation process is lengthy, which prolongs the time the patient suffers from pain. Moreover, after the bone has recovered for a period of time, the joint of the affected limb may atrophy due to lack of exercise because of the long-term restriction of movement.
[0003] Therefore, it is necessary to invent an orthopedic splint to solve the above problems. Summary of the Invention
[0004] To address the aforementioned problems, this invention provides an orthopedic splint that solves the problem of muscle stiffness caused by the inability of fixed splints to allow joint movement.
[0005] The technical solution adopted in this invention is as follows: it includes an upper main frame, a connecting plate, a lower main frame, a pneumatic component, and a transmission mechanism; two connecting plates are configured and symmetrically arranged at the lower end of the upper main frame; the lower main frame is arranged on the two connecting plates; the pneumatic component is arranged between the upper main frame and the lower main frame for adjusting the angle between the upper main frame and the lower main frame; and two transmission mechanisms are configured and respectively arranged on the two connecting plates.
[0006] Furthermore, as a preferred embodiment, the upper main frame includes a limiting ring one, a limiting ring two, and a fixing rod one; the limiting ring two is disposed below the limiting ring one, and multiple fixing rods one are configured and fixed between the limiting ring one and the limiting ring two respectively.
[0007] Furthermore, as a preferred embodiment, the lower main frame includes a limiting ring three, a limiting ring four, and a fixing rod two; an arc-shaped guide groove is provided on the connecting plate, positioning posts are fixed on both sides of the limiting ring three, and the two positioning posts are slidably disposed through the two arc-shaped guide grooves respectively; the limiting ring four is disposed on the side away from the connecting plate; and multiple fixing rods two are configured and fixed between the limiting ring three and the limiting ring four respectively.
[0008] Furthermore, as a preferred embodiment, an airbag is fixed on the inner wall of the first and fourth limiting rings, and a miniature air pump is provided inside the airbag.
[0009] Further, as preferred, the pneumatic assembly comprises a cylinder, a slide rod and an electric telescopic rod; the cylinder is hingedly arranged on one side of the limiting ring one, the slide rod is hingedly arranged on one side of the limiting ring four, and the slide rod is sealingly and slidingly arranged in the cylinder, one end of the electric telescopic rod is fixed on the inner wall of the cylinder, and the other end is fixedly connected with the slide rod.
[0010] Further, as preferred, the transmission mechanism further comprises an outer threaded cylinder, a rectangular cylinder, a connecting rod and a positioning rubber ball; a threaded hole is formed in the center of the connecting disc, the outer threaded cylinder is threadedly connected in the threaded hole, the rectangular cylinder is fixed on the outer threaded cylinder, and two rectangular cylinders are respectively located at the ends of the two outer threaded cylinders away from each other, and the rectangular cylinder is in communication with the outer threaded cylinder, one end of the connecting rod is fixed on the positioning column, the other end of the connecting rod is provided with a rectangular hole, the rectangular cylinder is slidingly and penetratingly arranged in the rectangular hole, and the positioning rubber ball is fixed on the end of the outer threaded cylinder away from the rectangular cylinder.
[0011] Further, as preferred, the transmission mechanism further comprises an L-shaped rod, a sliding rod, a damping spring, a massage ball and a connecting hose; a plurality of sliding grooves are circumferentially formed on the side wall of the outer threaded cylinder, and the plurality of sliding grooves are in communication with the inner threaded cylinder, a plurality of L-shaped rods are arranged, one end of each L-shaped rod is sealingly and slidingly penetratingly arranged in the sliding groove, and the other end of each L-shaped rod is provided with a cylindrical hole, a plurality of sliding rods are arranged, and each sliding rod is slidingly and penetratingly arranged in the plurality of cylindrical holes, a plurality of damping springs are arranged, and each damping spring is connected between the sliding rod and the inner wall of the cylindrical hole, a plurality of massage balls are arranged, and each massage ball is fixed on the end of the sliding rod away from the cylindrical hole, one end of the connecting hose is penetratingly arranged in the cylinder and is in communication with the inner cylinder, and the other end of the connecting hose is in communication with the rectangular cylinder.
[0012] Advantages of the present application: Through the cooperation of the pneumatic assembly and the transmission mechanism, the affected limb can be quickly clamped, the joint can be positioned and clamped, the clamping stability is improved, and after a period of recovery, the affected limb joint can be flexed, the tense muscle group can be rubbed and massaged when the arm is flexed, and muscle stiffness and muscle soreness caused by long-term same posture are prevented.
[0013] In addition to the objects, features and advantages described above, the present application has other objects, features and advantages. The present application will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0014] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application, and are incorporated in and constitute a part of this application. The drawings illustrate embodiments of the present application and, together with the description, serve to explain the application.
[0015] Figure 1 is a schematic diagram of the overall structure of the present application; Figure 2 is the schematic diagram of the sectional front structure of the air cylinder of the present application; Figure 3 is the schematic diagram of the partial structure of the transmission assembly of the present application; Figure 4 is the schematic diagram of the sectional front structure of the external thread cylinder and its internal structure of the present application.
[0016] Reference signs: 11, limiting ring one; 12, limiting ring two; 13, fixed rod one; 2, connecting disc; 21, guide groove; 31, limiting ring three; 32, limiting ring four; 33, fixed rod two; 34, positioning column; 4, pneumatic assembly; 5, transmission mechanism; 6, air bag; 41, air cylinder; 42, sliding rod; 43, electric telescopic rod; 51, external thread cylinder; 52, rectangular cylinder; 53, connecting rod; 54, positioning rubber ball; 61, L-shaped rod; 62, sliding rod; 63, damping spring; 64, massage ball; 65, connecting hose; 511, sliding groove; 611, cylindrical hole. DETAILED DESCRIPTION
[0017] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not to limit the present application.
[0018] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0019] Reference Figures 1 to 4 A clamping plate for orthopedics, comprising an upper main frame, a connecting disc 2, a lower main frame, a pneumatic assembly 4 and a transmission mechanism 5; the connecting disc 2 is configured with two and symmetrically arranged at the lower end of the upper main frame, the lower main frame is arranged on the two connecting discs 2, the pneumatic assembly 4 is arranged between the upper main frame and the lower main frame, used for adjusting the angle between the upper main frame and the lower main frame, and the transmission mechanism 5 is configured with two and arranged on the two connecting discs 2 respectively.
[0020] As a preferred embodiment, the upper main frame comprises a limiting ring one 11, a limiting ring two 12 and a fixed rod one 13; the limiting ring two 12 is arranged below the limiting ring one 11, and the fixed rod one 13 is configured with multiple and fixed between the limiting ring one 11 and the limiting ring two 12 respectively.
[0021] As a preferred embodiment, the lower main frame comprises a limiting ring three 31, a limiting ring four 32 and a fixed rod two 33; the connecting disc 2 is provided with an arc-shaped guide groove 21, the limiting ring three 31 is fixed with a positioning column 34 on both sides, the two positioning columns 34 are respectively and slidingly penetrated through the two arc-shaped guide grooves 21, the limiting ring four 32 is arranged on the side away from the connecting disc 2, and the fixed rod two 33 is arranged with a plurality of fixed rods, which are respectively arranged between the limiting ring three 31 and the limiting ring four 32.
[0022] As a preferred embodiment, the inner wall of the limiting ring one 11 and the limiting ring four 32 is fixed with an air bag 6, and the air bag 6 is provided with a micro air pump.
[0023] It should be explained that the micro air pump is a bidirectional air pump, that is, it can inflate and deflate, the input end of the micro air pump is in communication with the outside world, the output end is in communication with the air bag 6, and the micro air pump is controlled through an external control end; in the present application, the bidirectional air pump used by the micro air pump is prior art, and its specific structure and principle will not be described here.
[0024] That is, the patient's upper arm is placed between the limiting ring one 11 and the limiting ring two 12, the broken lower arm is placed between the limiting ring three 31 and the limiting ring four 32, and the joint part of the upper arm and the lower arm is positioned between the two connecting discs 2. The inflation degree of the two air bags 6 can be adjusted by starting the micro air pump to implement the fitting of the affected limb, so that the swelling change of the affected limb can be adapted in real time, and the affected limb is prevented from being clamped too tightly or loosely.
[0025] As a preferred embodiment, the pneumatic assembly 4 comprises a gas cylinder 41, a sliding rod 42 and an electric telescopic rod 43; the gas cylinder 41 is hingedly arranged on one side of the limiting ring one 11, the sliding rod 42 is hingedly arranged on one side of the limiting ring four 32, and the sliding rod 42 is sealingly and slidingly arranged in the gas cylinder 41, one end of the electric telescopic rod 43 is fixed on the inner wall of the gas cylinder 41, and the other end is fixedly connected with the sliding rod 42.
[0026] For details, please refer to Figure 1 When the patient uses it, first, the electric telescopic rod 43 is controlled to extend, so that the upper main frame and the lower main frame are in a vertical state, then the whole is sleeved on the affected limb, then the two micro air pumps are adjusted, and the two air bags 6 are inflated to complete the fitting of the affected limb, so that the positioning and clamping of the affected limb can be quickly completed, then the electric telescopic rod 43 is controlled to retract, so that the upper arm and the lower arm are perpendicular, so that the lower arm can be horizontal, and the blood flow is ensured.
[0027] As a preferred embodiment, the transmission mechanism 5 comprises an outer threaded cylinder 51, a rectangular cylinder 52, a connecting rod 53 and a positioning rubber ball 54; the center of the connecting disc 2 is provided with a threaded hole, the outer threaded cylinder 51 is threadedly connected in the threaded hole, the rectangular cylinder 52 is fixed on the outer threaded cylinder 51, and two rectangular cylinders 52 are respectively located at the ends of the two outer threaded cylinders 51 away from each other, and the rectangular cylinder 52 communicates with the outer threaded cylinder 51, one end of the connecting rod 53 is fixed on the positioning column 34, the other end of the connecting rod 53 is provided with a rectangular hole, the rectangular cylinder 52 is slidingly arranged in the rectangular hole, and the positioning rubber ball 54 is fixed at the end of the outer threaded cylinder 51 away from the rectangular cylinder 52.
[0028] For details, please refer to Figure 3 When the slide rod 42 is retracted in the air cylinder 41, the limiting ring four 32 will swing up and down, the limiting ring four 32 drives the limiting ring three 31 to swing up and down synchronously through the fixed rod two 33, and the movement of the limiting ring three 31 and the positioning column 34 is constrained by the guide groove 21, that is, the limiting ring four 32 and the limiting ring three 31 will slide in the guide groove 21 with the positioning column 34, the positioning column 34 drives the rectangular cylinder 52 to rotate through the connecting rod 53, so that the rectangular cylinder 52 will provide a steering force for the outer threaded cylinder 51, and when the outer threaded cylinder 51 rotates, it will be threadedly driven with the threaded hole, so that the two outer threaded cylinders 51 will move spirally towards each other or spirally away from each other.
[0029] In an embodiment, when the affected limb is fixed and clamped, initially the positioning column 34 is located at the lower end of the guide groove 21, that is, the limiting ring three 31 and the limiting ring four 32 are in a vertical state, then the slide rod 42 moves into the air cylinder 41 under the drive of the electric telescopic rod 43, the positioning column 34 will rotate upward along the guide groove 21, when the positioning column 34 drives the limiting ring three 31 and the limiting ring two 12 to be perpendicular, the electric telescopic rod 43 stops driving, and in this process, the outer threaded cylinder 51 drives the positioning rubber ball 54 to approach and contact the joint part of the affected limb, thereby realizing joint positioning and improving clamping stability.
[0030] It should be noted that the connecting disc 2 is provided with a scale disc to facilitate manual control of the specific position of the positioning column 34.
[0031] As a preferred embodiment, the transmission mechanism 5 further comprises L-shaped rods 61, sliding rods 62, damping springs 63, massage balls 64 and connecting hoses 65; the side wall of the outer threaded cylinder 51 is provided with a plurality of sliding grooves 511 which are in communication with the inner part of the outer threaded cylinder 51, the L-shaped rods 61 are arranged in plurality, one end of each of which is sealed and slidably arranged in the sliding grooves 511, and the other end of each of which is provided with a cylindrical hole 611, the sliding rods 62 are arranged in plurality, each of which is slidably arranged in a cylindrical hole 611, the damping springs 63 are arranged in plurality, each of which is connected between the sliding rod 62 and the inner wall of the cylindrical hole 611, the massage balls 64 are arranged in plurality, each of which is fixed on the sliding rod 62 away from the cylindrical hole 611, and one end of the connecting hose 65 penetrates the air cylinder 41 and is in communication with the inner part of the air cylinder 41, and the other end of the connecting hose 65 is in communication with the rectangular cylinder 52.
[0032] When the joint part of the affected limb needs to be trained, please refer to Figures 1 to 4 , first control the electric telescopic rod 43 to start and push the sliding rod 42 to move to the outside of the air cylinder 41, so that the positioning column 34 will rotate downward along with the limiting ring three 31 along the guide groove 21, the outer threaded cylinder 51 will drive the positioning rubber ball 54 to separate from the joint of the affected limb, and the affected limb will rotate downward to achieve the effect of activity relaxation, at the same time, the space in the air cylinder 41 increases, negative pressure is generated, so the air source will be supplemented through the connecting hose 65, in the above process, the negative pressure in the connecting hose 65 is conducted through the rectangular cylinder 52 and the outer threaded cylinder 51, so that the plurality of L-shaped rods 61 will be gathered at the same time when the outer threaded cylinder 51 moves away from the joint part, then control the electric telescopic rod 43 to start and pull the sliding rod 42 to move to the inside of the air cylinder 41, so that the positioning column 34 will rotate along with the limiting ring three 31 along the guide groove 21 to the top of the guide groove 21, in this process, the affected limb will produce an arm bending action, so that the muscles which have been limited in activity for a long time can be in a tense state, in the process of bending the arm, the space in the air cylinder 41 decreases, positive pressure is generated, so the connecting hose 65 generates positive pressure, this positive pressure is conducted through the rectangular cylinder 52 and the outer threaded cylinder 51, so that the plurality of L-shaped rods 61 will move away from each other at the same time when the outer threaded cylinder 51 moves close to the joint part of the affected limb, so that the plurality of massage balls 64 can perform arc trajectory kneading massage on the muscle groups in a tense state around the joint after contacting the joint of the affected limb, thereby preventing muscle stiffness and muscle soreness caused by long-term same posture, and the arc trajectory kneading increases the kneading stroke, thereby improving the massage effect.
[0033] Then control the electric telescopic rod 43 to push the sliding rod 42 to move to the outside of the air cylinder 41 again, as above, the outer threaded cylinder 51 separates from the joint again, at the same time, the plurality of massage balls 64 will be gathered at the same time, so that the muscles around the joint part can be kneaded and massaged again, then the massage balls 64 will separate from the joint part along with the outer threaded cylinder 51, thus completing one arm bending massage action.
[0034] Specifically, in implementation, first, the electric telescopic rod 43 is controlled to push the sliding rod 42 to extend, so that the affected limb is sleeved into the upper main frame and the lower main frame, then the micro air pump is controlled to make the two air bags 6 tightly contact the affected limb, and then the electric telescopic rod 43 is controlled to retract, when the upper main frame and the lower main frame are vertical, the two positioning rubber balls 54 complete clamping and positioning on both sides of the joint of the affected limb, so that the clamping speed is improved, and the clamping stability of the affected limb is improved, when the joint needs to be relaxed after a period of recovery, the electric telescopic rod 43 is first controlled to extend, and under the action of the transmission mechanism 5, the affected limb can complete the arm flexion action, and the muscle group of the joint part can be rubbed and massaged when the muscle is in a tense state, so as to prevent muscle stiffness and muscle soreness caused by long-term same posture, and improve the recovery effect of the affected limb.
[0035] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An orthopedic splint, characterized in that, The utility model provides a kind of angle-adjustable type of double-axle frame, including upper main frame, connecting disc (2), lower main frame, pneumatic assembly (4) and transmission mechanism (5);The connecting disc (2) is equipped with two, symmetrically arranged in the lower end of upper main frame, the lower main frame is arranged on two connecting discs (2), the pneumatic assembly (4) is arranged between upper main frame and lower main frame, for adjusting the angle between upper main frame and lower main frame, the transmission mechanism (5) is equipped with two, respectively arranged on two connecting discs (2).
2. The splint according to claim 1, wherein The upper main frame includes limit ring one (11), limit ring two (12) and fixed rod one (13);The limit ring two (12) is arranged below the limit ring one (11), the fixed rod one (13) is equipped with multiple, respectively fixed between limit ring one (11) and limit ring two (12).
3. The orthopedic splint of claim 2, wherein, The lower main frame includes limit ring three (31), limit ring four (32) and fixed rod two (33);The connecting disc (2) is provided with arc-shaped guide slot (21), the two sides of the limit ring three (31) are fixed with positioning column (34), two positioning columns (34) are respectively arranged in two arc-shaped guide slots (21) and are slidably penetrated, the limit ring four (32) is arranged on the side away from the connecting disc (2), the fixed rod two (33) is equipped with multiple, respectively fixed between limit ring three (31) and limit ring four (32).
4. The splint according to claim 3, wherein The inner wall of the limit ring one (11) and the limit ring four (32) is fixed with air bag (6), and the air bag (6) is provided with a micro air pump.
5. The splint according to claim 3, wherein The pneumatic assembly (4) includes air cylinder (41), slide rod (42) and electric telescopic rod (43);The air cylinder (41) is hingedly arranged on one side of the limit ring one (11), the slide rod (42) is hingedly arranged on one side of the limit ring four (32), and the slide rod (42) is sealingly and slidably arranged in the air cylinder (41), one end of the electric telescopic rod (43) is fixed on the inner wall of the air cylinder (41), and the other end is fixedly connected with the slide rod (42).
6. The splint according to claim 5, wherein The transmission mechanism (5) further includes outer thread cylinder (51), rectangular cylinder (52), connecting rod (53) and positioning rubber ball (54);The center of the connecting disc (2) is provided with a threaded hole, the outer thread cylinder (51) is threadedly connected in the threaded hole, the rectangular cylinder (52) is fixed on the outer thread cylinder (51), and two rectangular cylinders (52) are respectively located at the ends of two outer thread cylinders (51) away from each other, and the rectangular cylinder (52) is in communication with the outer thread cylinder (51), one end of the connecting rod (53) is fixed on the positioning column (34), the other end of the connecting rod (53) is provided with a rectangular hole, the rectangular cylinder (52) is slidably penetrated in the rectangular hole, and the positioning rubber ball (54) is fixed on the end of the outer thread cylinder (51) away from the rectangular cylinder (52).
7. The orthopedic splint of claim 6, wherein, The transmission mechanism (5) further includes L-shaped rods (61), sliding rods (62), damping springs (63), massage balls (64) and connecting hoses (65); a plurality of sliding grooves (511) are circumferentially formed in the side wall of the outer threaded cylinder (51) and communicate with the inner part of the outer threaded cylinder (51), the L-shaped rods (61) are provided in plurality, one end of each of the L-shaped rods (61) is sealingly and slidingly arranged in the sliding grooves (511), and the other end of each of the L-shaped rods (61) is provided with a cylindrical hole (611), the sliding rods (62) are provided in plurality and are respectively slidingly arranged in the cylindrical holes (611), the damping springs (63) are provided in plurality and are connected between the sliding rods (62) and the inner walls of the cylindrical holes (611), the massage balls (64) are provided in plurality and are respectively fixed to one end of the sliding rods (62) away from the cylindrical holes (611), and one end of the connecting hose (65) penetrates the air cylinder (41) and communicates with the inner part of the air cylinder (41), and the other end of the connecting hose (65) communicates with the rectangular cylinder (52).