Prosthetic fitting alignment device using knob to adjust slider translation and method of use

Abstract

The application discloses a prosthesis mounting alignment device which adjusts the translation amount of a sliding block by using a knob, and comprises a rectangular frame body, an X-axis adjusting device, a Y-axis adjusting device, an X-axis adjusting sliding block and a Y-axis adjusting sliding block. The X-axis adjusting device and the Y-axis adjusting device are respectively arranged at the edges of the rectangular frame body. The X-axis adjusting device is connected with the X-axis adjusting sliding block, the Y-axis adjusting device is connected with the Y-axis adjusting sliding block, the X-axis adjusting sliding block is arranged above the Y-axis adjusting sliding block, the included angle between the X-axis adjusting device and the Y-axis adjusting device is 90 degrees, the X-axis adjusting sliding block and the Y-axis adjusting sliding block are both provided with connecting structures, and the X-axis adjusting sliding block and the Y-axis adjusting sliding block are both connected with a four-prism platform connecting disc. The application converts the rotary movement mode into the translational movement mode, and can be more convenient for a prosthetist to realize real-time alignment adjustment in the process that a patient wears a prosthesis and to complete secondary fine adjustment.

Description

Technical Field

[0001] This invention relates to the field of prosthetics and orthotics, and in particular to a method of using a prosthetic fitting aligner that utilizes a knob to adjust the translation of a slider. Background Technology

[0002] Prosthesis alignment is a crucial step in prosthesis fitting, referring to adjusting the spatial position and angle of various prosthesis components (such as sockets, joints, and feet) to ensure optimal function, comfort, and natural gait for the patient. Prosthesis alignment devices can be used to assist in alignment.

[0003] like Figure 1 As shown, in the existing prosthesis alignment device, after the sliding block (1) on one side of the receiving cavity is locked with a screw (2) on one side to align the force line, the main structure (4) is deformed due to stress, causing the sliding block (3) on the other side to be unable to move smoothly, thus hindering the entire alignment process of the lower leg tube and knee joint. In addition, after the alignment is completed, the patient needs to wear the prosthesis with the prosthesis alignment device for a walking test. During the walking process, due to the strong flipping force of the sliding blocks (1) and (3), the four corners of the main structure (4) of the prosthesis alignment device are easily cracked due to excessive stress.

[0004] Therefore, there is an urgent need for a prosthesis mounting alignment device that uses a knob to adjust the translation of the slider. Summary of the Invention

[0005] This invention provides, in one aspect, a prosthesis mounting ligator that utilizes a knob to adjust the slider's translational amount, thereby solving the problems of existing prosthesis ligators where, after one side locks, the slider on the other side cannot move smoothly, and the four corners of the main structure crack due to excessive force during use. This invention also provides a method for using the prosthesis mounting ligator that utilizes a knob to adjust the slider's translational amount.

[0006] A first aspect of the present invention provides a prosthesis mounting alignment device that utilizes a knob to adjust the translation of a slider, comprising a rectangular frame, an X-axis adjustment device, a Y-axis adjustment device, an X-axis adjustment slider, and a Y-axis adjustment slider. The X-axis adjustment device and the Y-axis adjustment device are respectively provided at the edges of the rectangular frame. The X-axis adjustment device is connected to the X-axis adjustment slider, and the Y-axis adjustment device is connected to the Y-axis adjustment slider. The X-axis adjustment slider is positioned above the Y-axis adjustment slider, and the included angle between the X-axis adjustment device and the Y-axis adjustment device is 90°. Both the X-axis adjustment slider and the Y-axis adjustment slider are provided with connecting structures, and the X-axis adjustment slider and the Y-axis adjustment slider are respectively connected to a frustum-shaped connecting plate.

[0007] The aforementioned prosthetic fitting device that uses a knob to adjust the translation of the slider is preferably configured such that the X-axis adjustment device and the Y-axis adjustment device each include an inner rotating shaft, an outer rotating shaft, a transmission rod, a knob, and a locking component. The rectangular frame has an elongated mounting hole on its edge. The outer rotating shaft is disposed within the elongated mounting hole and has a hollow structure. The outer rotating shaft is sleeved on the outside of the inner rotating shaft and has a spiral groove. The head of the transmission rod passes through the spiral groove and is rotatably connected to the inner rotating shaft. The tail of the transmission rod is connected to the X-axis adjustment slider / the Y-axis adjustment slider. The top ends of the outer rotating shaft and the inner rotating shaft are connected by the knob. The locking component is detachably disposed at the tail ends of the outer rotating shaft and the inner rotating shaft.

[0008] In the aforementioned prosthetic fitting device that uses a knob to adjust the translation of the slider, preferably, the head of the transmission rod is provided with a rotating ball via a rotating shaft, and the inner rotating shaft is provided with a ball groove. The rotating ball is engaged in the ball groove, and the rotating ball can rotate around the rotating shaft within the ball groove.

[0009] The aforementioned prosthetic fitting device that uses a knob to adjust the translation of the slider is preferably characterized by a spiral-shaped ball groove.

[0010] The prosthetic mounting alignment device that uses a knob to adjust the translation of the slider is preferably provided with mounting holes and connecting holes on the X-axis adjusting slider and the Y-axis adjusting slider. The mounting holes are surrounded by the connecting holes. The mounting holes are used to align the cavity of the truncated pyramid connecting plate and fix the truncated pyramid connecting plate through the connecting holes.

[0011] In the aforementioned prosthetic fitting device that uses a knob to adjust the translation of the slider, preferably, the locking element is a threaded cap, and the tail ends of the outer and inner rotating shafts are threaded, with the threaded cap connected to the tail ends of the outer and inner rotating shafts via the threads.

[0012] A second aspect of the present invention provides a method for using a prosthesis mounting ligator with a knob-adjustable slider translation, comprising the following steps:

[0013] The thigh receiving cavity or the calf tube are respectively connected to the knee joint via a frustum-shaped connecting plate;

[0014] Turning the knob moves the X-axis and Y-axis adjustment sliders to achieve adjustment in the X and Y axes.

[0015] After adjusting the positions of the X-axis and Y-axis adjustment sliders to complete the alignment, install the locking mechanism to lock the alignment.

[0016] A third aspect of the present invention provides a method for using a prosthesis mounting alignment device with a knob-adjustable slider, comprising the following steps:

[0017] The thigh receiving cavity or the calf tube are respectively connected to the knee joint via a frustum-shaped connecting plate;

[0018] Drag the X-axis adjustment slider and the Y-axis adjustment slider respectively to move the X-axis adjustment slider and the Y-axis adjustment slider to achieve adjustment in the X-axis and Y-axis directions;

[0019] After adjusting the positions of the X-axis and Y-axis adjustment sliders to complete the alignment, install the locking mechanism to lock the alignment.

[0020] The beneficial effects are:

[0021] This invention converts rotational motion into translational motion through an outer rotating shaft with a spiral groove, a spiral ball groove, and a transmission rod with a ball head. This makes it easier for prosthetists to make real-time alignment adjustments and perform secondary fine-tuning during the process of a patient wearing a prosthesis.

[0022] The locking component of this invention locks the inner and outer rotating shafts, thereby locking the X-axis and Y-axis adjusting sliders. This reduces the deformation of the frame due to excessive force when locking, and prevents the opposing sliders from being unable to slide due to frame deformation. The locking component achieves a single locking structure through threaded screwing, which is more convenient and faster than the existing four-screw locking structure.

[0023] The transmission structure formed by the spiral groove outer rotating shaft, the spiral ball groove, and the transmission rod with a ball head in this invention can realize the movement of the X-axis adjustment slider and the Y-axis adjustment slider by rotating the knob, or by pulling the X-axis adjustment slider and the Y-axis adjustment slider. This multiple adjustment method makes it easier for prosthetic technicians to use. When the movement is realized by pulling the X-axis adjustment slider and the Y-axis adjustment slider, the adjustment can be made quickly, avoiding the complicated process of turning the knob and waiting for the rotating shaft to rotate a number of times.

[0024] When using this invention, the prosthesis alignment device is subjected to uniform force and will not deform. The entire process of alignment between the lower leg tube and the knee joint is no longer obstructed, making it convenient and quick to use. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of an existing prosthesis alignment device in the background art;

[0026] Figure 2 This is a schematic diagram of the structure of the present invention;

[0027] Figure 3 A schematic diagram of the X-axis adjustment device and the Y-axis adjustment device;

[0028] Figure 4 This is a schematic diagram showing the connection between the truncated quadrangular connecting plate and the X-axis adjusting slider.

[0029] In the picture:

[0030] 1. X-axis adjustment slider; 2. Y-axis adjustment slider; 3. Mounting hole; 4. Connecting hole;

[0031] 5-1, Inner X-axis rotating shaft; 6-1, Outer X-axis rotating shaft; 7-1, X-axis transmission rod;

[0032] 8-1, X-axis knob; 9-1, X-axis locking component;

[0033] 5-2, Inner Y-axis rotating shaft; 6-2, Outer Y-axis rotating shaft; 7-2, Y-axis transmission rod;

[0034] 8-2, Y-axis knob; 9-2, Y-axis locking component;

[0035] 10. Ball groove; 11. X-axis adjustment device; 12. Y-axis adjustment device;

[0036] 13. Rectangular frame; 14. Spiral groove; 15. Frustum connecting plate. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0038] In the description of this invention, it should be noted that the terms "above" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the system or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0039] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "setting," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0040] This invention provides a prosthesis fitting alignment device that utilizes a knob to adjust the translational amount of a slider. It includes a rectangular frame 13, an X-axis adjustment device, a Y-axis adjustment device, an X-axis adjustment slider, and a Y-axis adjustment slider. The X-axis adjustment device and the Y-axis adjustment device are respectively located at the edges of the rectangular frame 13. The X-axis adjustment device is connected to the X-axis adjustment slider, and the Y-axis adjustment device is connected to the Y-axis adjustment slider. The X-axis adjustment slider is positioned above the Y-axis adjustment slider, and the included angle between the X-axis and Y-axis adjustment devices is 90°. Both the X-axis and Y-axis adjustment sliders have connecting structures and are respectively connected to a frustum-shaped connecting plate. This invention converts rotational motion into translational motion, making it easier for prosthetists to perform real-time alignment adjustments and secondary fine-tuning during the patient's prosthesis fitting process.

[0041] The following section uses a prosthesis mounting alignment device that uses a knob to adjust the translation of a slider as an example to illustrate the entire technical process in detail.

[0042] Example 1

[0043] like Figure 2 and Figure 4 As shown, a prosthetic fitting alignment device that uses a knob to adjust the translation of a slider includes a rectangular frame 13, an X-axis adjustment device, a Y-axis adjustment device, an X-axis adjustment slider 1, and a Y-axis adjustment slider 2. The X-axis adjustment device and the Y-axis adjustment device are respectively provided at the edges of the rectangular frame 13. The X-axis adjustment device is connected to the X-axis adjustment slider 1, and the Y-axis adjustment device is connected to the Y-axis adjustment slider 2. The X-axis adjustment slider 1 is positioned above the Y-axis adjustment slider 2. The included angle between the X-axis adjustment device and the Y-axis adjustment device is 90°. Both the X-axis adjustment slider 1 and the Y-axis adjustment slider 2 are provided with connecting structures. The X-axis adjustment slider 1 and the Y-axis adjustment slider 2 are respectively connected to a frustum-shaped connecting plate 15.

[0044] like Figure 3As shown, the X-axis adjustment device includes an inner X-axis rotating shaft 5-1, an outer X-axis rotating shaft 6-1, an X-axis transmission rod 7-1, an X-axis knob 8-1, and an X-axis locking component 9-1. The rectangular frame 13 has an elongated mounting hole on its edge. The outer X-axis rotating shaft 6-1 is rotatably mounted in the elongated mounting hole. The outer X-axis rotating shaft 6-1 has a hollow structure and is sleeved on the outside of the inner X-axis rotating shaft 5-1. The outer X-axis rotating shaft 6-1 has a spiral groove 14. The head of the X-axis transmission rod 7-1 passes through the spiral groove 14 and is rotatably connected to the inner X-axis rotating shaft 5-1. The tail of the X-axis transmission rod 7-1 is connected to the X-axis adjustment slider. The top ends of the outer X-axis rotating shaft 6-1 and the inner X-axis rotating shaft 5-1 are connected by the X-axis knob 8-1. The X-axis locking component 9-1 is detachably mounted at the tail ends of the outer X-axis rotating shaft 6-1 and the inner X-axis rotating shaft 5-1.

[0045] The Y-axis adjustment device includes an inner Y-axis rotating shaft 5-2, an outer Y-axis rotating shaft 6-2, a Y-axis transmission rod 7-2, a Y-axis knob 8-2, and a Y-axis locking component 9-2. The rectangular frame 13 has an elongated mounting hole on its edge. The outer Y-axis rotating shaft 6-2 is rotatably mounted within this hole. The outer Y-axis rotating shaft 6-2 is hollow and is fitted around the outer side of the inner Y-axis rotating shaft 5-2. A spiral groove 14 is provided on the outer Y-axis rotating shaft 6-2. The head of the Y-axis transmission rod 7-2 passes through the spiral groove 14 and is rotatably connected to the inner Y-axis rotating shaft 5-2. The tail of the Y-axis transmission rod 7-2 is connected to the Y-axis adjustment slider 2. The top ends of the outer Y-axis rotating shaft 6-2 and the inner Y-axis rotating shaft 5-2 are connected via the Y-axis knob 8-2. The Y-axis locking component 9-2 is detachably mounted at the tail ends of the outer Y-axis rotating shaft 6-2 and the inner Y-axis rotating shaft 5-2.

[0046] The heads of the X-axis transmission rod 7-1 and the Y-axis transmission rod 7-2 are provided with rotating balls via rotating shafts. The inner rotating shafts 5-1 and 5-2 of the X-axis and Y-axis are provided with ball grooves 10. The rotating balls are locked in the ball grooves 10 and can rotate around the rotating shafts within the ball grooves 10.

[0047] Furthermore, the spherical groove 10 is spiral-shaped.

[0048] The connecting mechanism consists of mounting holes 3 and connecting holes 4 on the X-axis adjusting slider 1 and the Y-axis adjusting slider 2. The mounting holes 3 are surrounded by connecting holes 4. The mounting holes 3 are used to align the cavity of the quadrangular frustum connecting plate 15 and fix the quadrangular frustum connecting plate 15 through the connecting holes 4.

[0049] The locking element 9 is a threaded cap. The tail ends of the outer rotating shaft 6 and the inner rotating shaft 5 are threaded, and the threaded cap is connected to the tail ends of the outer rotating shaft 6 and the inner rotating shaft 5 through the thread.

[0050] Example 2

[0051] A method for using a prosthesis mounting alignment device with a knob-adjustable slider for adjusting the translation amount, including the prosthesis mounting alignment device in Example 1, specifically includes the following steps:

[0052] S1: Connect the thigh receiving cavity or the calf tube to the knee joint via the frustum connecting plate 15.

[0053] For example, in the case of thigh amputation, the thigh socket, the prosthesis mounting connector in Example 1, the knee joint, the calf tube, and the prosthetic foot are connected sequentially from top to bottom.

[0054] In the case of lower leg amputation, the knee joint, the prosthesis mounting connector lower leg tube in Example 1, and the prosthetic foot are connected sequentially from top to bottom.

[0055] Among them, the thigh receiving cavity, knee joint, and calf tube are provided with a truncated quadrangular structure, which is connected to the truncated quadrangular connecting plate 15. The truncated quadrangular structure and the truncated quadrangular connecting plate 15 are existing structures.

[0056] S2: Turning knob 8 moves the X-axis adjustment slider 1 and the Y-axis adjustment slider 2 to achieve adjustment in the X-axis and Y-axis directions.

[0057] S3: After adjusting the positions of the X-axis adjustment slider 1 and the Y-axis adjustment slider 2 to complete the alignment, install the locking piece 9 to lock it in place.

[0058] Example 3

[0059] A method for using a prosthesis mounting alignment device with a knob-adjustable slider for adjusting the translation amount, including the prosthesis mounting alignment device in Example 1, specifically includes the following steps:

[0060] S1: Connect the thigh receiving cavity or the calf tube to the knee joint via the frustum connecting plate 15.

[0061] For example, in the case of thigh amputation, the thigh socket, the prosthesis mounting connector in Example 1, the knee joint, the calf tube, and the prosthetic foot are connected sequentially from top to bottom.

[0062] In the case of lower leg amputation, the knee joint, the prosthesis mounting connector lower leg tube in Example 1, and the prosthetic foot are connected sequentially from top to bottom.

[0063] Among them, the thigh receiving cavity, knee joint, and calf tube are provided with a truncated quadrangular structure, which is connected to the truncated quadrangular connecting plate 15. The truncated quadrangular structure and the truncated quadrangular connecting plate 15 are existing structures.

[0064] S2: Pull the X-axis adjustment slider 1 and the Y-axis adjustment slider 2 respectively to move the X-axis adjustment slider 1 and the Y-axis adjustment slider 2, so as to achieve adjustment in the X-axis and Y-axis directions;

[0065] S3: After adjusting the positions of the X-axis adjustment slider 1 and the Y-axis adjustment slider 2 to complete the alignment, install the locking piece 9 to lock it in place.

[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A prosthesis fitting alignment device that uses a knob to adjust the translation of a slider, characterized in that, The device includes a rectangular frame, an X-axis adjustment device, a Y-axis adjustment device, an X-axis adjustment slider, and a Y-axis adjustment slider. The X-axis adjustment device and the Y-axis adjustment device are respectively provided at the edges of the rectangular frame. The X-axis adjustment device is connected to the X-axis adjustment slider, and the Y-axis adjustment device is connected to the Y-axis adjustment slider. The X-axis adjustment slider is located above the Y-axis adjustment slider. The included angle between the X-axis adjustment device and the Y-axis adjustment device is 90°. Both the X-axis adjustment slider and the Y-axis adjustment slider are provided with connecting structures. The X-axis adjustment slider and the Y-axis adjustment slider are respectively connected to a frustum-shaped connecting plate. The X-axis adjustment device and the Y-axis adjustment device each include an inner rotating shaft, an outer rotating shaft, a transmission rod, a knob, and a locking component. The edge of the rectangular frame is provided with an elongated mounting hole. The outer rotating shaft is disposed in the elongated mounting hole and has a hollow structure. The outer rotating shaft is sleeved on the outside of the inner rotating shaft and has a spiral groove. The head of the transmission rod passes through the spiral groove and is rotatably connected to the inner rotating shaft. The tail of the transmission rod is connected to the X-axis adjustment slider / the Y-axis adjustment slider. The top ends of the outer rotating shaft and the inner rotating shaft are connected by the knob. The locking component is detachably disposed at the tail ends of the outer rotating shaft and the inner rotating shaft.

2. The prosthetic fitting alignment device according to claim 1, which uses a knob to adjust the translation of the slider, is characterized in that... The head of the transmission rod is provided with a rotating ball via a rotating shaft. The inner rotating shaft is provided with a ball groove. The rotating ball is locked in the ball groove and can rotate around the rotating shaft within the ball groove.

3. The prosthetic fitting alignment device for adjusting the translation of the slider using a knob as described in claim 2, characterized in that, The spherical groove is spiral-shaped.

4. The prosthetic fitting alignment device for adjusting the translation of the slider using a knob as described in claim 3, characterized in that, The connecting mechanism consists of mounting holes and connecting holes provided on the X-axis adjusting slider and the Y-axis adjusting slider. The mounting holes are surrounded by the connecting holes. The mounting holes are used to align the cavity of the quadrangular frustum connecting plate and to fix the quadrangular frustum connecting plate through the connecting holes.

5. The prosthesis mounting alignment device according to claim 4, characterized in that, The locking element is a threaded cap, and the tail ends of the outer rotating shaft and the inner rotating shaft are threaded. The threaded cap is connected to the tail ends of the outer rotating shaft and the inner rotating shaft through the thread.

6. A method for using a prosthesis fitting aligner with a knob-adjustable slider for adjusting translation, characterized in that, The prosthetic fitting aligner, as described in any one of claims 1 to 5, includes adjusting the translation of a slider using a knob, and specifically comprises the following steps: The thigh receiving cavity or the calf tube are respectively connected to the knee joint via a frustum-shaped connecting plate; Turning the knob moves the X-axis and Y-axis adjustment sliders to achieve adjustment in the X and Y axes. After adjusting the positions of the X-axis and Y-axis adjustment sliders to complete the alignment, install the locking mechanism to lock the alignment.

7. A method for using a prosthesis mounting alignment device with a knob-adjustable slider for adjusting translation, characterized in that, The prosthetic fitting aligner, as described in any one of claims 1 to 5, includes adjusting the translation of a slider using a knob, and specifically comprises the following steps: The thigh receiving cavity or the calf tube are respectively connected to the knee joint via a frustum-shaped connecting plate; Drag the X-axis adjustment slider and the Y-axis adjustment slider respectively to move the X-axis adjustment slider and the Y-axis adjustment slider to achieve adjustment in the X-axis and Y-axis directions; After adjusting the positions of the X-axis and Y-axis adjustment sliders to complete the alignment, install the locking mechanism to lock the alignment.

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