Walking aid for knee joint postoperative care
By designing a servo motor-driven support plate system, the walker can help patients perform leg flexion and elevation exercises after knee surgery, solving the problem that existing walkers cannot effectively assist rehabilitation. It also enables flexible adjustment of height and movement mode to meet the needs of different patients.
Patent Information
- Application Number
- CN202422638159.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Existing walking aids are unable to help patients effectively perform leg flexion and elevation exercises in the early stages of knee surgery, resulting in poor rehabilitation outcomes.
A walking aid for postoperative care of knee joint surgery was designed. A servo motor drives a reciprocating screw to move a support rod and a support plate, enabling the support plate to move up and down, assisting patients in bending and raising their legs. The height can be adjusted and the movable wheels can be locked to meet the needs of different patients.
It effectively helps patients with knee joint rehabilitation training, improves rehabilitation results, and can adjust height and movement to meet the needs of different patients.
Smart Images
Figure CN223668286U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model provides a kind of knee joint postoperative nursing with walking aid, it is related to walking aid technical field. BACKGROUND
[0002] Walking aid is a kind of rehabilitation appliance that helps the crowd of action inconvenience to support body weight, keep balance and assist walking. They are particularly suitable for the elderly, the disabled, hemiplegic patients and some people whose walking ability is limited due to injury or disease.
[0003] When using existing walking aid for rehabilitation training, the user stands inside the walking aid frame, with both feet standing slightly forward of the two rear feet of the walking aid, keeping the body center of gravity at the intersection of the diagonal line of the rectangle formed by the four right angles of the walking aid. Then, the user needs to lift the leg and move closer to the front end of the walking aid to achieve the step of moving forward and achieve the purpose of rehabilitation training. However, in the early stage of knee surgery, due to the limitation of muscle strength and joint range of motion, patients may have difficulty effectively lifting their legs, which can lead to insufficient muscle stretching and affect the effectiveness of rehabilitation training. The existing walking aid cannot help the user to bend and lift the leg, and the auxiliary rehabilitation effect is limited, which is not suitable for the rehabilitation needs of such patients.
[0004] Therefore, it is necessary to provide a knee joint postoperative nursing walking aid that can help patients bend and lift their legs. UTILITY MODEL CONTENT
[0005] In order to overcome the problem that patients may have difficulty effectively lifting their legs for rehabilitation training in the early stage of knee surgery, and the existing walking aid cannot help patients to bend and lift their legs, and the auxiliary rehabilitation effect is limited, the utility model provides a knee joint postoperative nursing walking aid that can help patients bend and lift their legs.
[0006] In order to achieve the above purpose, the utility model embodiment provides the following technical scheme: a knee joint postoperative nursing walking aid, comprising a first support frame, a second support frame, a fixed frame and a moving wheel, the first support frame is slidably arranged on the second support frame, the second support frame is rotatably provided with a plurality of fixed frames at the bottom, each fixed frame is rotatably provided with a moving wheel, further comprising a servo motor, a first positioning frame, a reciprocating screw rod, a guide rod, a support rod and a support plate, the support rod is fixedly connected on both sides of the first support frame, the support plate is rotatably arranged on the support rod, the servo motor is installed on both sides of the first support frame, the first positioning frame is fixedly connected on both sides of the first support frame, the reciprocating screw rod is rotatably arranged on one side of the first positioning frame, the output shaft of the servo motor is fixedly connected with the reciprocating screw rod through a shaft coupling, the guide rod is fixedly connected on the other side of the first positioning frame, the support rod is slidably connected with the guide rod, and the support rod is threadedly connected with the reciprocating screw rod.
[0007] Further, the guide frame is installed on the second support frame, the first clamping rod is slidably arranged on the guide frame, the first elastic member is fixedly connected between the first clamping rod and the second support frame, the first elastic member is arranged around the first clamping rod, a plurality of first clamping grooves are arranged on the first support frame and the second support frame, and the first clamping rod is clamped with the first clamping groove.
[0008] Further, the connecting frame is rotatably arranged on the fixing frame, the second clamping rod is slidably arranged on one side of the connecting frame, the second elastic member is fixedly connected between the second clamping rod and the connecting frame, the second clamping groove is arranged on the fixing frame, the second elastic member pulls the second clamping rod to be clamped with the second clamping groove, the connecting plate is fixedly connected to the connecting frame, the push block is fixed to the connecting plate, the limiting frame is fixedly connected to the fixing frame, the bolt is slidably arranged on the limiting frame, the third elastic member is arranged around the bolt, the third elastic member pushes the bolt to be clamped with the moving wheel, and the push block is used for sliding the bolt.
[0009] Further, the limiting seat is sleeved on the supporting rod, the second positioning frame is installed on the limiting seat, the third clamping rod is slidably arranged on the second positioning frame, the third clamping rod can penetrate through the limiting seat and the supporting plate at the same time, and the fourth elastic member is arranged around the third clamping rod.
[0010] Further, the cleaning block is slidably arranged on the supporting plate.
[0011] Further, the rubber pad is fixed to the two handles of the first support frame.
[0012] Compared with the prior art, the walking aid provided by the embodiment of the utility model has the following advantages: 1. By rotating and placing the supporting plates on both sides, then the patient puts his feet on the corresponding supporting plate, and then the servo motor is started to drive the reciprocating screw rod to rotate, the reciprocating screw rod drives the supporting rod to reciprocate up and down along the guide rod, and then the supporting plate drives the patient's leg to make a knee lifting action, so that the patient's knee lifting rehabilitation training is facilitated.
[0013] 2. By pulling the first clamping rod away from the second support frame, the first clamping rod is separated from the first clamping groove, then the first support frame is pulled to slide up and down along the second support frame to adjust the overall height of the walking aid, and then the first clamping rod is released when the overall height of the walking aid is appropriate, at this time, the first elastic member pushes the first clamping rod to insert into the first clamping groove, so that the first support frame is fixed on the second support frame, and the overall height of the walking aid is adjusted.
[0014] 3. By rotating the connecting frame on the fixing frame in the forward and reverse directions, the fixing frame drives the connecting plate to rotate, the push block on the connecting plate is in contact with the bolt, so that the bolt slides on the limiting frame, the limiting frame can be reset through the third elastic member, and then the bolt is separated from or locked with the moving wheel, so that the moving wheel is locked and released, and the walking aid is conveniently moved and fixed.
[0015] 4, by the support plate along the support rod up and down flip rotation, and then through the fourth elastic piece to push the third clamping rod sliding reset, to make the third clamping rod and support plate clamping, make the support plate no longer rotate, reach the effect of locking different state support plate, convenient storage and use support plate. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0017] Figure 2 It is the three-dimensional sectional structure schematic diagram of the utility model fixed frame, servo motor and reciprocating screw rod.
[0018] Figure 3 It is the three-dimensional sectional structure schematic diagram of the utility model first support frame and second support frame.
[0019] Figure 4 It is the utility model Figure 3 The enlarged view of A in the middle.
[0020] Figure 5 It is the three-dimensional sectional structure schematic diagram of the utility model fixed frame, moving wheel and connecting frame.
[0021] Figure 6 It is the three-dimensional sectional structure schematic diagram of the utility model connecting plate, push block and bolt.
[0022] Figure 7 It is the three-dimensional sectional structure schematic diagram of the utility model support rod, support plate and limit seat.
[0023] Figure 8 It is the three-dimensional sectional structure schematic diagram of the utility model support plate and cleaning block.
[0024] Markings in the drawings: 1: first support frame, 2: second support frame, 3: fixed frame, 301: moving wheel, 4: servo motor, 5: first positioning frame, 6: reciprocating screw rod, 7: guide rod, 8: support rod, 9: support plate, 10: guide frame, 11: first clamping rod, 12: first elastic piece, 13: first clamping groove, 14: connecting frame, 1401: second elastic piece, 1402: second clamping rod, 1403: second clamping groove, 15: connecting plate, 16: push block, 17: bolt, 18: third elastic piece, 1801: limit frame, 19: limit seat, 20: second positioning frame, 21: third clamping rod, 22: fourth elastic piece, 23: cleaning block, 24: rubber pad. DETAILED DESCRIPTION
[0025] The utility model will be further described in combination with specific embodiment, the illustrative embodiment of the utility model and the explanation used to explain the utility model, but not as the limitation of the utility model.
[0026] Embodiment 1: a knee postoperative care with a walking aid, refer to Figure 1 and Figure 2 As shown, comprising a first support frame 1, a second support frame 2, a fixed frame 3 and a moving wheel 301, the first support frame 1 is slidably arranged on the second support frame 2, the second support frame 2 is rotatably arranged with two fixed frames 3 in front and back, each fixed frame 3 is rotatably arranged with a moving wheel 301, further comprising a servo motor 4, a first positioning frame 5, a reciprocating screw rod 6, a guide rod 7, a support rod 8 and a support plate 9, the lower part of both sides of the first support frame 1 is fixedly connected with a support rod 8 by bolt connection, the support rod 8 is rotatably arranged with a support plate 9, the lower part of both sides of the first support frame 1 is installed with a servo motor 4 by bolt connection, the output shaft of the servo motor 4 faces upward, both sides of the first support frame 1 are fixedly connected with a first positioning frame 5 by welding, one side of the first positioning frame 5 is rotatably arranged with a reciprocating screw rod 6, the output shaft of the servo motor 4 is fixedly connected with the reciprocating screw rod 6 through a coupling, the other side of the first positioning frame 5 is fixedly connected with a guide rod 7 by welding, the support rod 8 is slidably connected with the guide rod 7, and the support rod 8 is threadedly connected with the reciprocating screw rod 6.
[0027] When it is necessary to assist the patient in walking rehabilitation training, the support plates 9 on both sides are rotated and lowered to the side close to each other, then the patient steps on the corresponding side of the support plate 9, and the corresponding side of the servo motor 4 is started, the output shaft of the servo motor 4 drives the reciprocating screw rod 6 to rotate on the first positioning frame 5, the reciprocating screw rod 6 drives the support rod 8 to reciprocate up and down along the guide rod 7, thereby making the support plate 9 drive the patient's leg to make lifting and lowering actions, to complete the patient's knee lifting training, and help the patient to recover the knee joint of the leg.
[0028] Embodiment 2: on the basis of embodiment 1, refer to Figure 3 and Figure 4 As shown, further comprising a guide frame 10 installed on the second support frame 2 by welding, a first clamping rod 11 is transversely slidably arranged on the guide frame 10, a first elastic member 12 is fixedly connected between the first clamping rod 11 and the second support frame 2 by welding, the first elastic member 12 is used to push the first clamping rod 11 to slide back to the original position, the first elastic member 12 is arranged around the first clamping rod 11, a plurality of first clamping grooves 13 are arranged longitudinally on the first support frame 1 and the second support frame 2, and the first clamping rod 11 is clamped with the first clamping groove 13.
[0029] When patients of different heights use the walking aid, according to the height of the patient, first, the first clamping rod 11 is pulled to slide along the guide frame 10 away from the second support frame 2, at this time the first elastic member 12 is compressed and deformed under stress, so that the first clamping rod 11 is separated from the first clamping groove 13, then the first support frame 1 can be pulled to slide up and down along the second support frame 2, to adjust the overall height of the walking aid, after reaching the appropriate height, the first clamping rod 11 is released, at this time the first elastic member 12 pushes the first clamping rod 11 to insert into the first clamping groove 13 common to the first support frame 1 and the second support frame 2, so that the first support frame 1 is fixed on the second support frame 2, facilitating the use of the walking aid by patients of different heights.
[0030] Referring to Figure 5 and Figure 6 , further comprising a connecting frame 14 rotatably arranged on the fixing frame 3, a second clamping rod 1402 is transversely and slidingly arranged on one side of the connecting frame 14, a second elastic member 1401 is fixedly connected between the second clamping rod 1402 and the connecting frame 14 by welding, a second clamping groove 1403 is formed on the fixing frame 3, the second elastic member 1401 pulls the second clamping rod 1402 to be clamped with the second clamping groove 1403, a connecting plate 15 is fixedly connected on the connecting frame 14 by welding, a push block 16 is fixedly connected on the connecting plate 15 by welding, a limiting frame 1801 is fixedly connected on the fixing frame 3 by welding, a latch 17 for locking the moving wheel 301 is transversely and slidingly arranged on the limiting frame 1801, a third elastic member 18 is wound on the latch 17, the third elastic member 18 pushes the latch 17 to be clamped with the moving wheel 301, and the push block 16 is used to push the latch 17 to slide away from the moving wheel 301.
[0031] When the walking aid needs to be moved, the connecting frame 14 is stepped down, so that the connecting frame 14 rotates downward along the fixing frame 3, the fixing frame 3 rotates downward at the same time, the push block 16 on the connecting plate 15 pushes the latch 17, so that the latch 17 slides away from the moving wheel 301 on the limiting frame 1801, at this time the third elastic member 18 is compressed and deformed under stress, so that the latch 17 is separated from the moving wheel 301, when the second clamping rod 1402 is aligned with the second clamping groove 1403, the second elastic member 1401 pulls the second clamping rod 1402 to be clamped with the second clamping groove 1403, so that the connecting frame 14 is fixed; when the moving wheel 301 needs to be locked, the connecting frame 14 is rotated and lifted along the fixing frame 3, at this time the second clamping rod 1402 slides away from the moving wheel 301 and stretches the second elastic member 1401, the connecting frame 14 drives the connecting plate 15 to rotate reversely, so that the push block 16 is separated from the latch 17, at this time the third elastic member 18 pulls the latch 17 to slide back, so that the latch 17 is clamped with the moving wheel 301, and the moving wheel 301 is locked.
[0032] Referring to Figure 7As shown, the limiting seat 19 is sleeved on the supporting rod 8 by welding, the second positioning frame 20 is installed on the limiting seat 19 by welding, the third clamping rod 21 is transversely and slidingly arranged on the second positioning frame 20, the third clamping rod 21 can penetrate the limiting seat 19 and the supporting plate 9 at the same time, the fourth elastic member 22 is arranged around the third clamping rod 21, and the fourth elastic member 22 is used for pushing the third clamping rod 21 to reset.
[0033] By sliding the third clamping rod 21 along the second positioning frame 20 away from the supporting plate 9, the fourth elastic member 22 is compressed and deformed under stress at this time, so that the third clamping rod 21 is separated from the supporting plate 9, then the supporting plate 9 is rotated and turned down along the supporting rod 8, and then the third clamping rod 21 is loosened, at this time the fourth elastic member 22 pushes the third clamping rod 21 to slide and reset, so that the third clamping rod 21 is clamped with the supporting plate 9 again, so that the supporting plate 9 does not rotate again.
[0034] Referring to Figure 1 and Figure 8 As shown, the cleaning block 23 is slidingly arranged on the supporting plate 9; the rubber pad 24 for avoiding hand slipping is fixedly connected to the two handles of the first supporting frame 1 by adhesion.
[0035] When the supporting plate 9 is dirty, the cleaning block 23 is slid along the supporting plate 9 by pulling, so that the cleaning block 23 scrapes off the dirt and dust attached to the supporting plate 9; by arranging the rubber pad 24, the friction between the upper part of the patient and the first supporting frame 1 is increased, so as to avoid the hand slipping phenomenon when the patient holds the first supporting frame 1, so as to avoid the patient from falling and being injured.
[0036] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A kind of knee postoperative care with walking aid, including first support frame (1), second support frame (2), fixed frame (3) and moving wheel (301), first support frame (1) is slidably provided with second support frame (2), multiple fixed frame (3) are rotatably provided on the bottom of second support frame (2), and moving wheel (301) is rotatably provided on each fixed frame (3), it is characterized by: The servo motor (4), the first positioning frame (5), the reciprocating screw rod (6), the guide rod (7), the support rod (8) and the support plate (9) are further included, the support rod (8) is rotatably arranged on the support rod (8), the servo motor (4) is rotatably arranged on the first support frame (1), the first positioning frame (5) is rotatably arranged on the first positioning frame (5), the output shaft of the servo motor (4) is fixedly connected with the reciprocating screw rod (6) through the shaft coupling, the first positioning frame (5) is fixedly connected with the guide rod (7) on the other side, the support rod (8) is slidably connected with the guide rod (7), and the support rod (8) is threadedly connected with the reciprocating screw rod (6).
2. The knee postoperative care walker according to claim 1, wherein: The guide frame (10) mounted on the second support frame (2) is further included, the first clamping rod (11) is slidably arranged on the guide frame (10), the first clamping rod (11) and the second support frame (2) are fixedly connected with the first elastic element (12), the first elastic element (12) is arranged around the first clamping rod (11), a plurality of first clamping grooves (13) are formed in the first support frame (1) and the second support frame (2), and the first clamping rod (11) is clamped with the first clamping groove (13).
3. The knee postoperative care walker according to claim 1, wherein: The connecting frame (14) rotatably arranged on the fixed frame (3) is further included, the second clamping rod (1402) is slidably arranged on one side of the connecting frame (14), the second clamping rod (1402) and the connecting frame (14) are fixedly connected with the second elastic element (1401), the second clamping groove (1403) is formed in the fixed frame (3), the second elastic element (1401) pulls the second clamping rod (1402) to be clamped with the second clamping groove (1403), the connecting plate (15) is fixedly connected to the connecting frame (14), the connecting plate (15) is fixedly connected with the pushing block (16), the fixed frame (3) is fixedly connected with the limiting frame (1801), the bolt (17) is slidably arranged on the limiting frame (1801), the third elastic element (18) is arranged around the bolt (17), the third elastic element (18) pushes the bolt (17) to be clamped with the moving wheel (301), and the pushing block (16) is used to push the bolt (17) to slide.
4. The knee postoperative care walker according to claim 1, wherein: The limiting seat (19) sleeved on the support rod (8) is included, the second positioning frame (20) is mounted on the limiting seat (19), the third clamping rod (21) is slidably arranged on the second positioning frame (20), and the third clamping rod (21) can simultaneously penetrate the limiting seat (19) and the support plate (9). The fourth elastic element (22) is arranged around the third clamping rod (21).
5. The knee postoperative care walker according to claim 1, wherein: The cleaning block (23) is slidably arranged on the support plate (9).
6. The knee postoperative care walker according to claim 1, wherein: The rubber pad (24) is fixedly connected to the two handles of the first support frame (1). The rubber pad (24) is fixedly connected to the two handles of the first support frame (1).