CN211023899U - Knee dynamic foot drop and hemiplegic gait aid - Google Patents
Knee dynamic foot drop and hemiplegic gait aid Download PDFInfo
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- CN211023899U CN211023899U CN201921898788.7U CN201921898788U CN211023899U CN 211023899 U CN211023899 U CN 211023899U CN 201921898788 U CN201921898788 U CN 201921898788U CN 211023899 U CN211023899 U CN 211023899U
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Abstract
The utility model provides a knee power drop foot and hemiplegia gait assistor, including shallow, gait correction mechanism includes thigh package, shank package, foot support, connects rope one, connects two and the elasticity stay cord, thigh package parcel is on the thigh, shank package parcel is in shank department under the knee, the foot support cover is on the sole, the foot support links to each other through being connected rope one with shank package, shank package and thigh package link to each other through being connected rope two, the one end of elasticity stay cord links to each other with shank package, and the other end links to each other with the shallow. The cart and the shank bag piece are connected together by using an elastic pull rope, when a patient pushes the cart in advance by self, the shank where the shank bag piece is located is slightly lifted upwards and forwards by the elastic pull rope, then the contraction force of the elastic pull rope and the self gravity of the patient droop to contact with the ground, and the cycle is repeated, so that the gait training of the patient is assisted according to the power of pushing the cart forwards.
Description
Technical Field
The utility model relates to the technical field of medical rehabilitation equipment, in particular to a knee dynamic foot drop and hemiplegic gait assistor.
Background
The hemiplegic gait which is mainly characterized by the ring-drawing gait is left for the hemiplegic gait of the patient with the hemiplegic paralysis after the stroke often due to the abnormal movement mode (the extensor mode of the lower limb) and the unbalanced muscle of the lower limb (the drop foot caused by the high tension of the triceps surae and the weak tibialis anterior muscle), which is mainly characterized in that the thigh is not bent sufficiently in the forward direction during the stepping, the ring-drawing posture drives the lower limb to move forward by lifting the pelvis and the hip joint to expand outwards, and meanwhile, the bad load-bearing conditions such as the foot varus, the knee hyperextension and the like occur in the supporting process of the affected leg, thereby seriously affecting.
The ankle-foot orthosis (AFO) is commonly used clinically to correct the problems of foot drop and foot varus, and has a certain inhibiting effect on knee hyperextension, but the AFO only aims at the ankle joint, cannot adjust the overall motion mode and coordinated motion of hip, knee and ankle joints, and a patient still has abnormal gait. Meanwhile, the AFO has problems of excessively restricting ankle joint movement, inhibiting input of plantar sensation, and the like. Although dynamic ankle AFO may allow some patients to perform their own ankle-dorsal extension function. But still limits the plantarflexion function of the ankle joint, and simultaneously, part of the ankle dorsum of the patient is weak, so that the ankle dorsum of the patient cannot normally exert the ankle dorsum function in the walking cycle, thereby causing the function of the ankle joint of the patient to be degraded.
An auxiliary device capable of correcting gait of hemiplegic patients also appears in the market at present, for example, a knee dynamic radian pulley type foot drop and hemiplegic gait corrector with Chinese patent publication No. CN105997320B comprises a knee thigh correcting component, a thigh correcting mechanism fixing component, a shank correcting component fixing component, a crank lever component, a foot support connecting rope and a foot support … ….
However, in actual rehabilitation training, particularly in the early stage of rehabilitation treatment of a stroke patient, the patient often has difficulty in lifting the lower limbs by himself, and generally needs to assist by others through external force to achieve the effect of walking freely, and the assistance by others is troublesome, cannot be accurately consistent with the side-walking rate, is limited in movement, and has certain defects.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a knee power drop foot and hemiplegia gait assistor that can remove at will by oneself can control respectively and train apoplexy patient hip, knee, ankle joint in early stage of recovery.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a knee-powered foot drop and hemiplegic gait aid comprises a cart and a gait correction mechanism, wherein the gait correction mechanism comprises a thigh wrapping piece, a shank wrapping piece, a foot support, a first connecting rope, a second connecting rope and an elastic pull rope, the thigh wrapping piece wraps a thigh, the shank wrapping piece wraps a shank under the knee, the foot support is sleeved on a sole of the foot, the foot support is connected with the shank wrapping piece through the first connecting rope, the shank wrapping piece and the thigh wrapping piece are connected through the second connecting rope, one end of the elastic pull rope is connected with the shank wrapping piece, and the other end of the elastic pull rope is connected with the cart.
Preferably, the width of the thigh bag piece, the width of the calf bag piece and the width of the foot support are 5-10 cm.
Preferably, the thigh bag piece and the shank bag piece are detachably connected through magic tapes.
Preferably, the cart is provided with a transverse adjusting mechanism capable of transversely adjusting the position of the elastic pull rope.
Preferably, the transverse adjusting mechanism comprises a transversely arranged slide rail and two slide blocks which are in sliding fit with the slide rail, and each slide block is provided with a retaining ring used for being connected with the elastic pull rope.
Preferably, a plurality of fixing holes are transversely formed in the sliding rail at equal intervals, and the fastening bolts can be screwed into the fixing holes to lock the sliding block.
Preferably, the shallow includes chassis, a plurality of universal wheels, tray, hollow support column, flexible post and two handles, the universal wheel sets up the bottom on the chassis, the vertical setting of support column is on the chassis, flexible post can be in the vertical extension of support column, the tray sets up at the top of flexible post, two the handle sets up on the tray, a plurality of locating holes have been seted up to vertical equidistant on the flexible post, threaded connection has the gim peg corresponding with the locating hole on the support column.
(III) advantageous effects
The utility model provides a knee dynamic foot drop and hemiplegia gait assistor. The method has the following beneficial effects:
1. this knee power drop foot and hemiplegia gait assistor utilizes an elastic stay cord that has elasticity to link together shallow and shank package piece, and when the patient promoted the shallow before by oneself, upwards, slightly lift up forward the shank that shank package piece was located through the elastic stay cord, then utilize the contractility of elastic stay cord and patient's self gravity drop and ground contact again, so circulate, the power of pushing forward according to the shallow comes the gait training of assisting the patient, need not with the help of other people's assistance, and move about freely, recovered effectual.
Drawings
FIG. 1 is a front isometric view of the present invention;
FIG. 2 is a schematic view of the lateral adjustment mechanism of the present invention;
FIG. 3 is a front view of the gait orthotic mechanism of the present invention;
fig. 4 is a rear view of the gait orthotic mechanism of the invention;
fig. 5 is a back side isometric view of the present invention.
In the figure: the artificial limb comprises a cart 1, a chassis 11, universal wheels 12, a tray 13, a support column 14, a telescopic column 15, positioning holes 16, fixing bolts 17, a handle 18, a gait correcting mechanism 2, a thigh bag 21, a calf bag 22, a foot support 23, a first connecting rope 24, a second connecting rope 25, an elastic pull rope 26, a magic tape 27, a transverse adjusting mechanism 3, a sliding rail 31, a sliding block 32, a fixing hole 33, a fastening bolt 34, a retaining ring 35 and an artificial limb 4.
Detailed Description
The embodiment of the utility model provides a knee power drop foot and hemiplegia gait assistor, as shown in fig. 1-5, including shallow 1, gait orthotic devices 2 includes thigh package 21, shank package 22, foot support 23, connects rope 24, connects two 25 of ropes and elasticity stay cord 26. The thigh bag 21 is wrapped on the thigh, the shank bag 22 is wrapped on the lower leg under the knee, and the foot support 23 is sleeved on the palm of the foot. The foot support 23 is connected with the lower leg bag piece 22 through a connecting rope I24, one end of the connecting rope I24 is connected to the top of the foot support 23, and the other end of the connecting rope I24 is connected to one side, located on the front side of the knee, of the lower leg bag piece 22. The shank bag 22 and the thigh bag 21 are connected by a second connecting rope 25, and both ends of the second connecting rope 25 are positioned at the side parts of the shank bag 22 and the thigh bag 21. The elastic cord 26 has one end connected to the calf pack 22 on the front side of the knee and the other end connected to the stroller 1. The two ends of the first connecting rope 24, the second connecting rope 25 and the elastic pull rope 26 are provided with buckles, the buckles are similar to safety buckles and can be detached, and the connecting rope is a product sold in the market. The thigh bag 21, the shank bag 22, the foot support 23 and the stroller 1 are provided with buckles 35 for buckling the connecting rope I24, the connecting rope II 25 and the elastic pull rope 26.
As shown in fig. 3, the width of the thigh bag 21, the calf bag 22 and the foot rest 23 is 5-10 cm. The thigh bag piece 21, the shank bag piece 22 and the foot support 23 are made of thick sponge sandwich cloth. The width of 5-10cm is designed to increase the contact area with the leg, so that the leg of the patient does not feel tight and aching pain after being wrapped for a long time.
As shown in fig. 4, the thigh bag 21 and the shank bag 22 are detachably connected by a hook and loop fastener 27. The magic tape 27 is pulled during installation and disassembly, which is very convenient.
As shown in fig. 3-4, when the gait orthotic mechanism 2 is used specifically, the prosthesis 4 in the figure shows the leg of a human body, the foot support 23 is sleeved on the sole of the prosthesis 4, the lower leg wrapping piece 22 is wrapped at the lower leg of the knee of the prosthesis 4, the upper leg wrapping piece 21 is wrapped on the upper leg of the prosthesis 4, then the first connecting rope 24 is respectively buckled on the buckle rings 35 on the foot support 23 and the lower leg wrapping piece 22 through buckles at the two ends, the second connecting rope 25 is respectively buckled on the buckle rings 35 on the upper leg wrapping piece 21 and the lower leg wrapping piece 22 through the buckles at the two ends, and finally the buckles at the two ends of the elastic rope 26 are respectively buckled on the lower leg wrapping piece 22 and the buckle ring 35 of the stroller 1.
The cart 1 and the leg bag member 22 are connected together by using an elastic pull rope 26 with elasticity, when a patient pushes the cart 1 by himself, the leg where the leg bag member 22 is located is slightly lifted upwards and forwards by the elastic pull rope 26, and then the contraction force of the elastic pull rope 26 and the self gravity of the patient droop are contacted with the ground, and the cycle is repeated, so that the gait training of the patient is assisted according to the power of pushing the cart 1 forwards, the assistance of other people is not needed, the action is free, and the rehabilitation effect is good.
As shown in fig. 1, the cart 1 is provided with a lateral adjustment mechanism 3 that can laterally adjust the position of the elastic cord 26. The transverse position of the elastic pulling rope 26 can be adjusted according to the body size width of the patient, and the elastic pulling rope 26 is parallel to the leg of the patient.
As shown in fig. 2, the transverse adjusting mechanism 3 includes a transverse slide rail 31, two sliders 32 slidably fitted on the slide rail 31, and a buckle 35 for connecting with the elastic cord 26 is disposed on each slider 32.
A plurality of fixing holes 33 are transversely formed in the sliding rail 31 at equal intervals, and fastening bolts 34 can be screwed into the fixing holes 33 to lock the sliding block 32.
As shown in fig. 2, when the lateral adjustment mechanism 3 is used, the fastening bolt 34 is loosened, and then the slide block 32 is slid to be horizontal to the leg, and then the fastening bolt 34 is screwed into the corresponding fixing hole 33 to screw the slide block 32.
As shown in fig. 1, the cart 1 comprises a chassis 11, four universal wheels 12, a tray 13, a hollow support column 14, two telescopic columns 15 and two handles 18, the universal wheels 12 are arranged at the bottom of the chassis 11, the support column 14 is vertically arranged on the chassis 11, the telescopic columns 15 can vertically extend in the support column 14, the tray 13 is arranged at the top of the telescopic columns 15, the tray 13 is used for supporting hands of a patient, and the patient can be supported on the tray 13. Two handles 18 are arranged on the tray 13, and when the cart is pushed, a patient holds the two handles 18 to control the cart. A plurality of positioning holes 16 are vertically arranged on the telescopic column 15 at equal intervals, and fixing bolts 17 corresponding to the positioning holes 16 are connected to the supporting columns 14 in a threaded manner. Through setting up flexible post 15, make the height of tray 13 adjust according to patient's height, flexible post 15 adjusts to corresponding high back, screws into the locating hole 16 of flexible post 15 with gim peg 17.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a knee power drop foot and hemiplegia gait assistor, includes shallow (1), gait orthotic devices (2) include thigh package spare (21), shank package spare (22), foot support (23), connect rope (24), connect two (25) of rope and elasticity stay cord (26), thigh package spare (21) parcel is on the thigh, shank package spare (22) parcel is in shank department under the knee, foot support (23) cover is on the sole, foot support (23) and shank package spare (22) link to each other through connecting rope (24), shank package spare (22) and thigh package spare (21) link to each other through connecting rope two (25), its characterized in that: one end of the elastic pull rope (26) is connected with the shank packing piece (22), and the other end is connected with the cart (1).
2. The device of claim 1, wherein the device is used for assisting dynamic foot drop and hemiplegic gait of the knee, and comprises: the width of the thigh bag piece (21), the width of the calf bag piece (22) and the width of the foot support (23) are 5-10 cm.
3. The device of claim 1, wherein the device is used for assisting dynamic foot drop and hemiplegic gait of the knee, and comprises: the thigh bag piece (21) and the shank bag piece (22) are detachably connected through magic tapes (27).
4. The device of claim 1, wherein the device is used for assisting dynamic foot drop and hemiplegic gait of the knee, and comprises: the cart (1) is provided with a transverse adjusting mechanism (3) which can transversely adjust the position of the elastic pull rope (26).
5. The device of claim 4, wherein the device is used for assisting dynamic foot drop and hemiplegic gait of the knee, and comprises: the transverse adjusting mechanism (3) comprises a transverse sliding rail (31) and two sliding blocks (32) which are matched on the sliding rail (31) in a sliding mode, and each sliding block (32) is provided with a snap ring (35) used for being connected with the elastic pull rope (26).
6. The device of claim 5, wherein the device is used for assisting dynamic foot drop and hemiplegic gait of the knee, and comprises: a plurality of fixing holes (33) are transversely formed in the sliding rail (31) at equal intervals, and fastening bolts (34) can be screwed into the fixing holes (33) to lock the sliding block (32).
7. The device of claim 1, wherein the device is used for assisting dynamic foot drop and hemiplegic gait of the knee, and comprises: shallow (1) includes chassis (11), a plurality of universal wheel (12), tray (13), hollow support column (14), flexible post (15) and two handles (18), universal wheel (12) set up the bottom on chassis (11), the vertical setting of support column (14) is on chassis (11), flexible post (15) can be in support column (14) vertical extension, tray (13) set up at the top of flexible post (15), two handle (18) set up on tray (13), a plurality of locating holes (16) have been seted up to vertical equidistant on flexible post (15), threaded connection has gim peg (17) corresponding with locating hole (16) on support column (14).
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CN201921898788.7U CN211023899U (en) | 2019-11-06 | 2019-11-06 | Knee dynamic foot drop and hemiplegic gait aid |
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CN201921898788.7U CN211023899U (en) | 2019-11-06 | 2019-11-06 | Knee dynamic foot drop and hemiplegic gait aid |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112870031A (en) * | 2021-01-15 | 2021-06-01 | 杨泽军 | Orthopedics is with support of being convenient for patient rehabilitation training |
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2019
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112870031A (en) * | 2021-01-15 | 2021-06-01 | 杨泽军 | Orthopedics is with support of being convenient for patient rehabilitation training |
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