Knee joint flexion and extension exercise device on sickbed

Abstract

The knee joint flexion and extension exercise device on the sickbed comprises two sets of supporting plates which are symmetrically arranged, the middle of the surface of each set of supporting plates is provided with a moving groove, the bottom face of the first supporting plate is provided with a rubber anti-skid pad, and the bottom face of one end of each moving groove is provided with a storage groove; the middle connecting assembly is arranged between the two groups of supporting plates so as to fix the two groups of supporting plates at a proper distance; the pedal is slidably mounted at the top of the moving groove; the spring rod is vertically installed in the storage groove in a sliding mode, and the spring rod is connected with the pedal plate in a clamped mode when rising so that the motion resistance of the pedal plate can be increased; the hand pulling belt is connected with the two groups of pedal plates in a buckling manner so as to assist in pulling the pedal plates. The two groups of supporting plates can be connected into a whole through the middle connecting assembly, so that the overall placement and storage are simpler and more convenient; a patient can lie on the bed on the back, put both feet on the pedal plate and then do knee joint bending and stretching movement, the pedal plate can slide along the moving groove, and meanwhile the purpose of bending and stretching the knees can be achieved by driving the pedal plate to slide through the force of the hand pulling belt.

Description

TECHNICAL FIELD

[0001] The utility model relates to knee joint replacement post knee joint flexion and extension function exercise technical field, concretely is a knee joint flexion and extension exercise device on sickbed. BACKGROUND

[0002] After knee joint replacement, under the condition that the body tolerates pain and the operation area does not have obvious swelling, the patient needs to carry out knee flexion and extension rehabilitation training, exercises 3 groups per day, 10-15 times per group, through the exercise, the range of motion of the knee joint can be gradually recovered, and joint stiffness is prevented; the patient actively contracts the quadriceps femoris and the calf and thigh muscles, which can relieve muscle atrophy, promote blood circulation, accelerate swelling symptom relief, and also can enhance the lower limb muscle strength of the patient to some extent, thereby stabilizing the knee joint and enabling the patient to recover rapidly. In addition, with the aid of external force, such as the use of elastic bands to assist resistance training, the strength of the muscles around the knee joint is further enhanced, and very good exercise effect is achieved.

[0003] After knee joint replacement, the patient cannot do leg lifting and suspension flexion exercise due to insufficient leg strength, most patients usually adopt a supine position, and the foot is attached to the sickbed to carry out knee flexion and extension training, but the patient's flexion and extension training is not continuous due to the influence of the bed sheet on the sickbed, and the bed sheet is easily wrinkled, which affects the training process; and because of pain in the operation area, the patient's exercise compliance is not high, and the patient's autonomy is not strong. Therefore, at present, a device for assisting the patient to carry out knee flexion and extension exercise on the sickbed is needed. UTILIZY MODEL CONTENT

[0004] In view of the defects in the prior art, the utility model aims to provide a knee joint flexion and extension exercise device on a sickbed, which can solve the existing problems.

[0005] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] A knee joint flexion and extension exercise device on a sickbed, comprising a support plate, two groups of which are symmetrically arranged, a moving groove is formed in the middle part of the surface of each group of support plates, a rubber non-slip pad is arranged on the bottom surface of the first support plate, and a storage groove is formed in the bottom surface of one end of the moving groove;

[0007] A connecting assembly is arranged between the two groups of support plates to fix the two groups of support plates at a proper distance apart;

[0008] A foot pedal is slidably installed at the top of the moving groove;

[0009] A spring rod is vertically slidably installed in the storage groove, and the spring rod is connected with the foot pedal when the spring rod rises, so as to increase the movement resistance of the foot pedal;

[0010] A hand pulling belt is connected with the two groups of foot pedals in a buckling mode to assist in pulling the foot pedals.

[0011] Further, the side of the support plate is provided with a recycling groove, and the outside of the recycling groove is clamped with a blocking cover plate.

[0012] Further, the intermediate connecting assembly comprises a fixing pipe and a fixing rod, the fixing pipe is vertically arranged in the middle of the inner wall of the support plate, the fixing rod is slidably arranged in the fixing pipe, the fixing pipe and the fixing rod are fixed by a locking knob, and the outer end of the fixing rod is fixedly connected with the other end support plate.

[0013] Further, the foot pedal comprises a supporting plate, the surface of the supporting plate is provided with anti-skid lines, the surface of the supporting plate is provided with a rear cover at one end edge, the middle of the rear cover is provided with a connecting hole, and the connecting hole is buckled with the hand pulling belt; and the bottom surface of the supporting plate is provided with a lower sliding block embedded in a moving groove.

[0014] Further, the other end of the surface of the supporting plate is symmetrically provided with a positioning ring and a fixing band, the surface of the fixing band is provided with a first magic tape at the outer end and a second magic tape at the inner end; and the end of the fixing band passes through the positioning ring, so that the first magic tape is attached to the top of the second magic tape.

[0015] Further, the hand pulling belt comprises a main belt body, two groups of sub-belt bodies are symmetrically arranged at the ends of the main belt body, and each group of sub-belt bodies is provided with a group of buckle rings at the outer end.

[0016] Further, one end of the spring rod is provided with a protrusion, the other end is provided with a moving block, one end of the moving groove is provided with an adjusting groove, the moving block is vertically and slidably arranged in the adjusting groove, an adjusting screw is rotatably arranged in the adjusting groove, the adjusting screw is threaded through the moving block, and the end surface of the lower sliding block is provided with a clamping groove matched with the protrusion.

[0017] Compared with the prior art, the beneficial effects of the utility model include:

[0018] 1. The two groups of support plates are connected into one body by the intermediate connecting assembly, forming a H-shaped structure, the support plates can be stably placed on the hospital bed, and the whole is more convenient to place and store.

[0019] 2. The patient can be in a lying position, place the feet on the foot pedal, then make knee joint flexion and extension movement, the foot pedal can slide along the moving groove, and the knee joint flexion and extension exercise can be smoothly performed; as the knee joint exercise progresses, the spring rod can be driven to be lifted, so that the spring rod is clamped with the foot pedal, when the patient's leg is bent, the spring rod can be lengthened to increase the flexion and extension exercise intensity, and the exercise needs of different stages are met; when the spring rod is not used, the spring rod can be driven to be stored in the storage groove, so that the foot pedal can smoothly translate along the moving groove. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced as follows. Obviously, the drawings described in the following description are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] Figure 1 It is a whole structure schematic view of the knee joint flexion and extension exercise device on the sickbed of the present application.

[0022] Figure 2 It is a foot pedal structure schematic view of the present application.

[0023] Figure 3 It is a fixed binding tape cross section structure schematic view of the present application.

[0024] Figure 4 It is a support plate cross section structure schematic view of the present application.

[0025] Figure 5 It is a convex block and lower sliding block butt joint structure schematic view of the present application.

[0026] Figure 6 It is a foot pedal and spring rod butt joint structure schematic view of the present application.

[0027] The mark in the figure is explained: 1, support plate, 11, moving groove, 111, storage groove, 112, adjusting groove, 12, recovery groove, 13, rubber non-slip pad, 2, blocking cover plate, 3, adjusting screw, 4, foot pedal, 41, supporting plate, 42, lower sliding block, 421, clamping groove, 43, positioning ring, 44, fixed binding tape, 441, first magic tape, 442, second magic tape, 45, rear baffle cover, 451, connecting hole, 5, middle connecting assembly, 51, fixed tube, 52, fixed rod, 53, locking knob, 6, spring rod, 61, moving block, 62, convex block, 7, hand pull belt, 71, main belt body, 72, branch belt body, 73, buckle ring. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application is described clearly and completely. Obviously, the described embodiments are some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] As Figures 1-6The utility model provides a sickbed knee joint flexion and extension exercise device, support board 1, its symmetry is equipped with two groups, and the surface middle part of each support board 1 is equipped with mobile groove 11, and the bottom surface of first support board 1 is equipped with rubber antiskid pad 13, and one end bottom surface of mobile groove 11 is equipped with storage groove 111,

[0030] Middle joint assembly 5, it is located between two groups of support board 1, to fix two groups of support board 1 at suitable interval,

[0031] Footboard 4, it is slidably installed at the top of mobile groove 11,

[0032] Spring rod 6, it is vertically slidably installed in storage groove 111, and spring rod 6 is connected with footboard 4 when rising, to increase the movement resistance of footboard 4,

[0033] Hand-pulling belt 7, it is buckled with two groups of footboard 4, to assist traction footboard 4.

[0034] The above scheme,

[0035] 1, through middle joint assembly, two groups of support boards can be connected as a whole, forming an I shape, the support board can be stably placed on the sickbed, and the whole is placed and stored more simply,

[0036] 2, patients can be in a lying posture, place feet on footboard, then patients do knee joint flexion and extension movement, footboard can slide along mobile groove, and knee joint flexion and extension exercise can be smoothly carried out,

[0037] 3, along with the progress of knee joint exercise, spring rod can be driven to lift, so that spring rod is connected with footboard, when the leg of patient is bent, spring rod can be lengthened, to increase flexion and extension exercise intensity, to meet the exercise needs of different stages, when spring rod is not used, spring rod can be driven to be stored in storage groove, so that footboard can smoothly translate along mobile groove.

[0038] In the embodiment, the side surface of the support board 1 is provided with a recovery groove 12, and the outside of the recovery groove 12 is buckled with a blocking cover plate 2. The recovery groove 12 is used to store unused hand-pulling belts 7.

[0039] In the above scheme, the recovery groove is provided to store the hand-pulling belts, which facilitates the carrying and use of the hand-pulling belts, avoids loss, and the blocking cover plate can block the recovery groove.

[0040] In the embodiment, the middle joint assembly 5 includes a fixed tube 51 and a fixed rod 52. The fixed tube 51 is vertically arranged in the middle part of the inner wall of one group of support boards 1. The fixed rod 52 is slidably embedded in the inside of the fixed tube 51. The fixed tube 51 and the fixed rod 52 are fixed by a locking knob 53. The outer end of the fixed rod 52 is fixedly connected with the other end support board 1.

[0041] The outer extension length of the adjustable fixed rod can be adjusted, the distance between the two support plates can be changed, the use needs of patients with different leg intervals can be met, and when not in use, the fixed rod is completely retracted, and the overall size of the reducing device can be adjusted.

[0042] In the embodiment, the foot pedal 4 comprises a supporting plate 41, the surface of the supporting plate 41 is provided with anti-skid lines, the surface of the supporting plate 41 is provided with a rear cover 45 at one end edge, the rear cover 45 is provided with a connecting hole 451 in the middle, the connecting hole 451 is detachably connected with the hand pulling belt 7, and the bottom surface of the supporting plate 41 is provided with a lower sliding block 42 embedded in the moving groove 11.

[0043] In the embodiment, the anti-skid lines can increase the contact resistance between the supporting plate and the foot, the rear cover can be in contact with the heel to prevent the foot from being separated, and the connecting hole can be detachably connected with the hand pulling belt.

[0044] In the embodiment, the surface of the supporting plate 41 is symmetrically provided with a positioning ring 43 and a fixed band 44 at the other end, the surface of the fixed band 44 is provided with a first magic tape 441 at the outer end and a second magic tape 442 at the inner end, and the end of the fixed band 44 passes through the positioning ring 43, so that the first magic tape 441 is attached to the top of the second magic tape 442.

[0045] In the embodiment, the anti-skid lines can increase the contact resistance between the supporting plate and the foot, the rear cover can be in contact with the heel to prevent the foot from being separated, and the connecting hole can be detachably connected with the hand pulling belt.

[0046] In the embodiment, the hand pulling belt 7 comprises a main belt body 71, two groups of sub-belt bodies 72 are symmetrically arranged at the ends of the main belt body 71, and a group of buckle rings 73 are arranged at the outer ends of each group of sub-belt bodies 72 and buckled in the connecting hole 451.

[0047] In the embodiment, when the buckle ring is clamped in the connecting hole, the patient pulls the main belt body by hand, and the foot pedal is driven to slide through the two groups of sub-belt bodies, so as to assist the leg flexion and extension exercise.

[0048] In the embodiment, one end of the spring rod 6 is provided with a protrusion 62, the other end is provided with a moving block 61, one end of the moving groove 11 is provided with an adjusting groove 112, the moving block 61 is vertically and slidably arranged in the adjusting groove 112, the adjusting screw 3 is rotatably arranged in the adjusting groove 112, the adjusting screw 3 is threaded through the moving block 61, and the end surface of the lower sliding block 42 is provided with a clamping groove 421 matched with the protrusion 62.

[0049] In the above scheme: the spring rod is pre-moved to the waiting assembly position when docking, the clamping groove is located directly above the protrusion, and a mark line can be drawn on the support plate to facilitate the operator to determine the moving position; the adjusting screw is rotated to make the moving block slide upward along the adjusting groove, thereby driving the spring rod to disengage from the storage groove, and the protrusion is vertically inserted into the clamping groove; then when the patient pushes the foot pedal backward, the lower sliding block will lengthen the spring rod to increase the flexion and extension resistance.

[0050] It should be noted that, in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0051] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A knee flexion and extension exercise device for hospital beds, characterized in that, include: Support plate (1) is provided in two symmetrical sets. Each set of support plate (1) has a moving groove (11) in the middle of its surface. The bottom surface of the first support plate (1) is provided with a rubber anti-slip pad (13). A storage groove (111) is provided on the bottom surface of one end of the moving groove (11). A middle connector (5) is provided between two sets of support plates (1) to fix the two sets of support plates (1) at a suitable distance; Foot pedal (4) is slidably mounted on the top of the movable slot (11); The spring rod (6) is vertically slidably installed in the storage slot (111). When the spring rod (6) rises, it engages with the foot pedal (4) to increase the movement resistance of the foot pedal (4). A hand strap (7) is fastened to two sets of foot pedals (4) to assist in pulling the foot pedals (4).

2. The knee flexion and extension exercise device for hospital beds according to claim 1, characterized in that: The support plate (1) has a recycling groove (12) on its side, and a sealing cover plate (2) is engaged with the outside of the recycling groove (12). The recycling groove (12) is used to store unused hand straps (7).

3. The knee flexion and extension exercise device for hospital beds according to claim 2, characterized in that: The intermediate component (5) includes a fixing tube (51) and a fixing rod (52). The fixing tube (51) is vertically disposed in the middle of the inner wall of a set of support plates (1). The fixing rod (52) is slidably embedded inside the fixing tube (51). The fixing tube (51) and the fixing rod (52) are fixed together by a locking knob (53). The outer end of the fixing rod (52) is fixedly connected to the other end support plate (1).

4. The knee flexion and extension exercise device for hospital beds according to claim 3, characterized in that: The foot pedal (4) includes a support plate (41), the surface of the support plate (41) is provided with anti-slip texture, a rear cover (45) is provided at one edge of the surface of the support plate (41), a connecting hole (451) is provided in the middle of the rear cover (45), and the connecting hole (451) is fastened to the pull strap (7); the bottom surface of the support plate (41) is provided with a sliding block (42) embedded in the moving groove (11).

5. The knee flexion and extension exercise device for hospital beds according to claim 4, characterized in that: The other end of the surface of the tray (41) is symmetrically provided with a positioning ring (43) and a fixing strap (44). The outer end of the surface of the fixing strap (44) is provided with a first hook and loop fastener (441), and the inner end of the surface is provided with a second hook and loop fastener (442). The end of the fixing strap (44) passes through the positioning ring (43) so that the first hook and loop fastener (441) is attached to the top of the second hook and loop fastener (442).

6. The knee flexion and extension exercise device for hospital beds according to claim 5, characterized in that: The hand-pulling strap (7) includes a main strap body (71), and two sets of strap bodies (72) are symmetrically provided at the ends of the main strap body (71). Each set of strap bodies (72) has a set of buckles (73) at its outer end, and the buckles (73) are fastened in the connecting hole (451).

7. The knee flexion and extension exercise device for hospital beds according to claim 6, characterized in that: One end of the spring rod (6) is provided with a protrusion (62) and the other end is provided with a moving block (61). One end of the moving groove (11) is provided with an adjustment groove (112). The moving block (61) is vertically slidably installed inside the adjustment groove (112). An adjustment screw (3) is rotatably installed inside the adjustment groove (112). The adjustment screw (3) is threaded through the moving block (61). The end face of the lower slider (42) is provided with a slot (421) that engages with the protrusion (62).

Images