CN210433909U - Supplementary exerciser of knee joint replacement postoperative - Google Patents

Abstract

The utility model discloses a knee joint replacement postoperative auxiliary exercise ware, including the sole, wherein, the sole includes the bottom plate, and the one end of bottom plate is first baffle, and the other end of bottom plate is equipped with one and bottom plate sliding fit's second baffle, and the inner of second baffle links to each other with the bottom plate through first spring, and the second baffle can link to each other with the bottom plate through a pair of coupling assembling, and a pair of coupling assembling is located the both sides of second baffle respectively. The utility model provides an exerciser is assisted to knee joint replacement postoperative, owing to adopted above-mentioned structure, therefore make the utility model discloses can adjust the total length of sole according to the size of a dimension of different patients' foot, thereby enlarged the utility model discloses an application scope.

Description

Supplementary exerciser of knee joint replacement postoperative

Technical Field

The utility model relates to a medical treatment exerciser technical field specifically is a knee joint replacement postoperative auxiliary exercise ware.

Background

The knee joint is an important weight bearing joint of the lower limb, and the structure and function of the knee joint are the most complicated of the joints of the human body. Degenerative knee joint arthropathy is a common disease in the elderly, with symptoms reported above 50 years of age in men with 35% and women up to 74%. More and more patients are required to perform artificial knee arthroplasty for severe knee osteoarthritis. The knee replacement can relieve knee pain, improve knee function, correct knee deformity and achieve long-term stability.

Chinese patent CN201820374371.X provides a knee joint replacement postoperative auxiliary exerciser, relates to the field of medical exercisers, and solves the technical problems that the conventional knee joint replacement postoperative auxiliary exerciser can not actively exercise patients according to different recovery degrees of the patients, and can assist the patients to exercise with single joints, the device comprises a fixed base, the top of the fixed base is provided with symmetrical guide rails, the guide rails are provided with a moving mechanism, the moving mechanism is connected with the fixed base through elastic mechanisms with different elastic coefficients, the moving mechanism is symmetrically provided with an upper limb auxiliary mechanism and a foot fixing mechanism, the foot fixing mechanism can rotate in a plane vertical to the fixed base so that the patients can finish the motion of feet in the straightening or curling process of the legs, the foot fixing mechanism comprises foot plates, a rolling shaft and an adhesive tape, the rolling shaft is connected with two vertical fixed plates, and the foot plates are fixed on the rolling shaft through connecting buckles, the front end and the rear end of the foot plate are provided with arc-shaped blocking pieces.

The arc separation blade at preceding, the back both ends of sole among the above-mentioned patent document all fixes on the sole, can not take place the change of position, therefore to different patients 'feet, if the size of a dimension difference is great, then this knee joint replacement postoperative exercise assisting device just is not suitable for all patients, therefore has reduced this knee joint replacement postoperative exercise assisting device's application scope.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a knee joint replacement postoperative auxiliary exercise ware that application scope is big, convenient to use to the not enough of prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a knee joint replacement postoperative auxiliary exercise ware, includes the sole, wherein, the sole includes the bottom plate, the one end of bottom plate is first baffle, the other end of bottom plate be equipped with one with bottom plate sliding fit's second baffle, the inner of second baffle through first spring with the bottom plate links to each other, just the second baffle can through a pair of coupling assembling with the bottom plate links to each other, and a pair of coupling assembling is located respectively the both sides of second baffle.

Further, the connection assembly includes:

the locking rods are in sliding fit with the corresponding through holes in the bottom plate, and the inner ends of the locking rods can extend into the corresponding grooves in the second baffle plate;

the second spring is arranged between the locking rod and the end cover positioned on the opening in the through hole;

the clamping arms are pivoted in mounting grooves on the side walls corresponding to the grooves, and cantilever ends of the clamping arms can be clamped and connected with corresponding arc-shaped grooves on the locking rods;

the torsion springs are arranged between the corresponding clamping arms and the grooves;

the baffle is arranged in the through hole and can limit the locking rod in the through hole.

Furthermore, the connecting assembly further comprises a cover plate arranged on the through hole outer opening, the cover plate is positioned in the large hole on the through hole outer opening, and the cover plate is detachably arranged on the large hole through an annular elastic piece.

Furthermore, the annular elastic part comprises an inner ring, the inner end of the inner ring is connected with the bottom wall of the annular cavity on the bottom wall of the large hole, the outer end of the inner ring can extend into the annular groove on the inner end face of the cover plate, an annular convex ring is arranged on the periphery of the inner ring and can be clamped and connected with an annular clamping groove on the outer side wall of the annular groove, and the cover plate is fixed on the bottom plate.

Furthermore, the section of the inner ring is V-shaped, and the included angle between the two side rings of the inner ring is 20-40 degrees.

Further, the second baffle plate is in sliding fit with a counter bore in the bottom plate.

Furthermore, one end of the first spring is sleeved on the mounting shaft at the inner end of the second baffle, and the other end of the first spring is sleeved on the guide shaft on the bottom wall of the counter bore.

Furthermore, the joint arm includes pin joint board and L shape arm, the pin joint board pin joint is in the mounting groove that corresponds, the long arm of L shape arm with the pin joint board links to each other, the short arm of L shape arm can be connected with the arc wall block that corresponds.

Furthermore, the torsional spring sleeve is arranged on the corresponding mounting shaft in the groove, one end of the torsional spring is hung on a first pin shaft arranged on the corresponding L-shaped arm, and the other end of the torsional spring is hung on a second pin shaft arranged in the groove.

(III) advantageous effects

The utility model has the advantages that:

1. because the foot plate of the utility model comprises the bottom plate and the second baffle plate which is in sliding fit with the bottom plate, the second baffle plate can be moved to change the position of the second baffle plate and the total length of the foot plate, thereby the utility model is suitable for different patients and expands the application range of the utility model;

2. because the utility model discloses a second baffle can link to each other with the bottom plate through a pair of coupling assembling, therefore can prevent that the patient from using the utility model discloses an in-process second baffle and bottom plate separation influence patient's recovery.

Drawings

Fig. 1 is a schematic perspective view of the foot plate of the present invention.

Fig. 2 is a partial cross-sectional view of fig. 1.

Fig. 3 is an enlarged view at I in fig. 2.

Fig. 4 is an enlarged view at H in fig. 3.

Fig. 5 is an enlarged view at G in fig. 3.

In the drawings: the base plate 10, the bottom plate 101, the through hole 1011, the large hole 1012, the annular cavity 10121, the counter bore 1013, the guide shaft 1014, the first baffle plate 102, the second baffle plate 103, the groove 1031, the mounting groove 10311, the second pin 10312, the mounting shaft 1032, the end cover 20, the baffle plate 30, the cover plate 40, the annular groove 401, the annular clamping groove 4011, the annular convex hull 4012, the first spring 1, the locking rod 2, the arc-shaped groove 21, the annular shoulder 22, the operating part 23, the clamping arm 3, the pivoting plate 31, the L-shaped arm 32, the torsion spring 4, the second spring 5, the annular elastic part 6, the inner ring 61 and the annular convex ring 62.

Detailed Description

In order to make the technical solution of the present invention, its purpose, technical solution and advantages become clearer, the drawings of the embodiments of the present invention will be combined hereinafter, and the technical solution of the embodiments of the present invention will be clearly and completely described.

Referring to fig. 1 to 5, the exerciser for assisting after knee joint replacement shown in fig. 1 comprises a base plate 10, the base plate 10 comprises a bottom plate 101, one end of the bottom plate 101 is a first baffle plate 102, the other end of the bottom plate 101 is provided with a second baffle plate 103 in sliding fit with the bottom plate 101, specifically, the second baffle plate 103 is in sliding fit with a counter bore 1013 on the bottom plate 101, so that the second baffle plate 103 can be moved to change the position of the second baffle plate 103, so that the total length of the base plate 10 changes, thereby making the exerciser for assisting after knee joint replacement suitable for different patients, and expanding the application range of the exerciser for assisting after knee joint replacement, the inner end of the second baffle plate 103 is connected with the bottom plate 101 through a first spring 1, one end of the first spring 1 is sleeved on a mounting shaft 1032 located at the inner end of the second baffle plate 103, the other end of the first spring 1 is sleeved on a guide shaft 1014 positioned on the bottom wall of the counter bore 1013, the second baffle plate 103 can be connected with the bottom plate 101 through a pair of connecting components, the pair of connecting components are respectively positioned on two sides of the second baffle plate 103, and the second baffle plate 103 can be connected with the bottom plate 101 through the pair of connecting components, so that the second baffle plate 103 is prevented from being separated from the bottom plate 101 to influence the rehabilitation of a patient when the patient uses the auxiliary exerciser after knee joint replacement.

As shown in fig. 2, 3 and 4, the connecting assembly includes a locking lever 2, a second spring 5, a pair of latch arms 3, a pair of torsion springs 4 and a flap 30, the locking lever 2 is slidably engaged with a corresponding through hole 1011 on the bottom plate 101, an inner end of the locking lever 2 can extend into a corresponding groove 1031 on the second flap 103, the second spring 5 is disposed between the locking lever 2 and an end cap 20 located on an inner opening of the through hole 1011, the latch arms 3 are pivotally connected in mounting grooves 10311 located on corresponding side walls of the groove 1031, a cantilever end of the latch arms 3 can be connected with a corresponding arc-shaped groove 21 on the locking lever 2 in a snap-fit manner, specifically, the latch arms 3 include a pivot plate 31 and an L-shaped arm 32, the pivot plate 31 is pivotally connected in the corresponding mounting groove 10311, and a long arm of the L-shaped arm 32 is connected with the pivot plate 31, the forearm of L shape arm 32 can be connected with the arc wall 21 block that corresponds, the cover of torsional spring 4 is established and is located the installation axle 1032 that corresponds in the recess 1031, the one end of torsional spring 4 is hung and is established on the first round pin axle 321 on the L shape arm 32 that corresponds, the other end of torsional spring 4 is hung and is established on the second round pin axle 10312 that corresponds in the recess 1031, the baffle 30 sets up in the through-hole 1011, the baffle 30 can with locking lever 2 is injectd in the through-hole 1011, the annular of locking lever 2 keeps off shoulder 22 and can resist on the inner of baffle 30, the operating portion 23 of locking lever 2 can resist on the outer end of baffle 30.

In this embodiment, the second flap 103 is provided at both sides thereof with a plurality of recesses 1031, respectively, and when a different person uses the knee replacement surgery exercise aid, if the second flap 103 needs to be moved, the locking lever 2 should be opposite to the corresponding recess 1031 after moving the second flap 103 every time.

As shown in fig. 2, 3 and 5, the connecting assembly further includes a cover plate 40 disposed on the outer opening of the through hole 1011, the cover plate 40 is located in the large hole 1012 on the outer opening of the through hole 1011, and the cover plate 40 is detachably disposed on the large hole 1012 through an annular elastic member 6, so that the cover plate 40 can prevent the operating part 23 from being acted by external force to separate the locking rod 2 from the pair of clamping arms 3 during the process of using the auxiliary exerciser after knee replacement, thereby preventing the second baffle plate 103 from being separated from the base plate 101 and affecting the rehabilitation of the patient.

As shown in fig. 5, the annular elastic member 6 includes an inner ring 61, an inner end of the inner ring 61 is connected to a bottom wall of the annular cavity 10121 on the bottom wall of the large hole 1012, an outer end of the inner ring 61 can extend into the annular groove 401 located on the inner end surface of the cover plate 40, an annular convex ring 62 is arranged on the outer periphery of the inner ring 61, and the annular convex ring 62 can be engaged with the annular groove 4011 located on the outer side wall of the annular groove 401 to fix the cover plate 40 on the base plate 101.

In this embodiment, an annular convex hull 4012 is provided on an outer side wall of the annular groove 401, and the annular clamping groove 4011 is formed between the annular convex hull 4012 and a bottom wall of the annular groove 401.

In the present embodiment, the cross-sectional shape of the inner ring 61 is a V-shape.

Preferably, the included angle between the two side rings of the inner ring 61 is 20-40 °.

In the present embodiment, the included angle between the two side rings of the inner ring 61 is 30 °.

In the above structure, when the length of the foot plate 10 needs to be changed, the cover plate 40 is pulled out and detached from the base plate 101, the operating portion 23 is pulled outward to disengage the locking lever 2 from the pair of engaging arms 3, so that the second shutter 103 is separated from the base plate 101, the second shutter 103 is moved to a proper position to make the locking lever 2 oppose the corresponding recess 1031, the operating portion 23 is pushed inward to engage the locking lever 2 with the pair of engaging arms 3, so that the second shutter 103 is mounted on the base plate 101, and the cover plate 40 is pushed into the large hole 1012 to mount the cover plate 40 on the base plate 101.

It should be noted that the embodiments of the present invention are only the preferred embodiments for implementing the present invention, and all the obvious modifications and changes belonging to the overall concept of the present invention should fall within the protection scope of the present invention.

Claims (9)

1. The utility model provides a knee joint replacement postoperative auxiliary exercise ware, includes sole (10), its characterized in that, sole (10) include bottom plate (101), the one end of bottom plate (101) is first baffle (102), the other end of bottom plate (101) be equipped with one with bottom plate (101) sliding fit's second baffle (103), the inner of second baffle (103) through first spring (1) with bottom plate (101) link to each other, just second baffle (103) can through a pair of coupling assembling with bottom plate (101) link to each other, a pair of coupling assembling is located respectively the both sides of second baffle (103).

2. The post-knee replacement exercise aid of claim 1, wherein the connecting assembly comprises:

the locking rod (2) is in sliding fit with a corresponding through hole (1011) in the bottom plate (101), and the inner end of the locking rod (2) can extend into a corresponding groove (1031) in the second baffle plate (103);

the second spring (5), the second spring (5) is arranged between the locking rod (2) and an end cover (20) positioned on the inner opening of the through hole (1011);

the clamping arms (3) are pivoted in mounting grooves (10311) on the side walls corresponding to the grooves (1031), and cantilever ends of the clamping arms (3) can be in clamping connection with corresponding arc-shaped grooves (21) on the locking rod (2);

a pair of torsion springs (4), the torsion springs (4) being disposed between the corresponding snap arms (3) and the recesses (1031);

a shutter (30), said shutter (30) being disposed within said through hole (1011), and said shutter (30) being capable of confining said locking lever (2) within said through hole (1011).

3. The post-knee replacement exercise aid of claim 2, wherein the connecting assembly further comprises a cover plate (40) provided on the outer opening of the through hole (1011), the cover plate (40) is located in a large hole (1012) provided on the outer opening of the through hole (1011), and the cover plate (40) is detachably provided on the large hole (1012) through an annular elastic member (6).

4. The post-knee replacement auxiliary exerciser according to claim 3, wherein the annular elastic member (6) comprises an inner ring (61), the inner end of the inner ring (61) is connected with the bottom wall of the annular cavity (10121) on the bottom wall of the large hole (1012), the outer end of the inner ring (61) can extend into the annular groove (401) on the inner end face of the cover plate (40), an annular convex ring (62) is arranged on the outer periphery of the inner ring (61), and the annular convex ring (62) can be clamped and connected with an annular clamping groove (4011) on the outer side wall of the annular groove (401) to fix the cover plate (40) on the base plate (101).

5. The post-knee replacement exercise aid according to claim 4, wherein the cross-sectional shape of the inner ring (61) is V-shaped, and the included angle between the two side rings of the inner ring (61) is 20-40 °.

6. The post-knee replacement exercise aid of claim 1, wherein the second baffle (103) is slidably engaged with a counterbore (1013) in the base plate (101).

7. The post-knee replacement exercise aid of claim 6, wherein one end of the first spring (1) is fitted over the mounting shaft (1032) at the inner end of the second baffle (103), and the other end of the first spring (1) is fitted over the guide shaft (1014) at the bottom wall of the counterbore (1013).

8. The post-knee replacement exercise aid according to claim 2, wherein the clamping arm (3) comprises a pivot plate (31) and an L-shaped arm (32), the pivot plate (31) is pivoted in the corresponding mounting groove (10311), the long arm of the L-shaped arm (32) is connected with the pivot plate (31), and the short arm of the L-shaped arm (32) can be clamped with the corresponding arc-shaped groove (21).

9. The post-knee replacement auxiliary exerciser according to claim 2, wherein the torsion spring (4) is sleeved on a corresponding mounting shaft (1032) located in the groove (1031), one end of the torsion spring (4) is hung on a first pin (321) on a corresponding L-shaped arm (32), and the other end of the torsion spring (4) is hung on a corresponding second pin (10312) in the groove (1031).

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