TWM451953U - Ankle correcting device and supporting frame for the ankle correcting device - Google Patents

Description

Stent of ankle correction device and ankle correction device

The present invention relates to a support for an ankle correction device and an ankle correction device, and particularly to a foot and an ankle that corrects the foot, or restrains and protects the injured foot, and achieves the function of correcting or restraining and protecting the foot and ankle. A bracket for the orthotic device and the ankle correction device.

The normal ankle joint can perform dorsiflexion, plantarflexion, inversion, eversion, and the like. The official name of the drop foot commonly found in the clinic is the ankleus foot. The foot is the movement of the ankle joint dorsiflexion. According to the control mechanism of muscle on the ankle joint, the foot can be divided into tension type and weakness type. The former is caused by the excessive tension of the ankle joint flexor muscle group, and the latter is caused by the weak muscle strength of the ankle joint flexor muscle group. The common cause is lesions in any lesion of the central nervous system, peripheral nerves or muscle tissue.

Simply put, the phenomenon of foot-footing can not have normal ankle joint function, and the sole of the foot is excessively distorted during the walking step, which causes the toe to rub against the ground during walking, which is easy to trip and cause inconvenience in action. Some poor walking compensatory actions may occur, including steps to increase the flexion angle of the hip and knee joints, such as the stepping gait, or to raise the affected pelvis with hip abduction. Circumduction gait prevents the floor from dragging the floor. These compensatory actions will result in less efficiency when walking. The use of ankle foot orthosis (AFO) can help alleviate the problem of footing, that is to say Excessive plantar curvature can be corrected with an ankle and ankle.

In addition, when the athlete's foot is injured, it may be accompanied by ligaments, muscles, or bone injuries. The ankle joint often takes a period of rest or local restrictions on its activities. At this time, the ankle and ankle can also play a role in protecting and restricting ankle movement. Features.

A Posterior Leaf Spring (PLS) AFO, or an Anterior Ankle-Foot Orthosis (AAFO), including a foot support for fixing the foot, is known. And a calf support for fixing the calf and connecting the foot support, and the foot support and the calf support are integrally formed, usually made of thermoplastic plastic material or general plastic to make. Because it is made of plastic, lacking metal skeleton support, can not resist the long-term use of the patient's load, the product life is generally not long.

An articulated Articulated AFO is known which includes a foot support for securing the foot, a calf support for securing the lower leg, and a pivotal foot support With the hinge of the calf support, the foot support and the lower leg support are separated by connecting the two by a hinge and simulating a normal ankle joint with a hinge. However, the articulated ankle and ankle prosthesis can only passively support the foot, but it is not able to actively provide the mechanical assistance of the walking propulsion, and there is still room for improvement in improving the walking efficiency of the patient.

Therefore, the purpose of the present invention is to provide an ankle joint distortion that is more suitable for improving the walking comfort and efficiency of a foot-footed patient, or for correcting the foot. Ankle injury patients provide an ankle correction device that restrains, protects the ankle and the function of the product.

Thus, the novel ankle correction device comprises an L-shaped bracket, a foot support pad, and a flexible strap unit.

The L-shaped bracket includes a foot support arm, a connecting arm connecting the foot support arm, and a small leg support arm connecting the connecting arm, the foot support arm has a front end, and a front end opposite to the front end a rear end of the lower leg support arm having a top end and a bottom end opposite to the top end, the connecting arm extending rearward from the rear end of the foot support arm and extending upwardly to connect the bottom end of the lower leg support arm And the shape is curved. The foot support pad is disposed on the foot support arm. The strap unit includes a foot strap disposed on the foot support pad, an ankle strap disposed on the connecting arm, and a lower leg strap disposed on the lower leg support arm.

Preferably, the L-shaped bracket is a carbon fiber composite material.

Preferably, the connecting arm has two spaced apart slots, and the two through slots extend along the length of the connecting arm, and the crotch strap passes through the two through slots.

Preferably, the foot support arm further has a rear section at the rear end, and a necked section connecting the rear section and having a width smaller than the rear section.

Preferably, the foot support arm further has a front section at the front end, a rear section at the rear end, and a necking section connecting the front and rear sections and having a width smaller than the front section and the rear section. The necked section provides the foot support pad to extend the arch upwards to enhance walking support and comfort.

Preferably, the extension line of the lower leg support arm is compared to the foot support The normal of the arm is tilted between 0 and -5 degrees.

Preferably, the extension line of the calf support arm is inclined between 5 and 0 degrees compared to the normal of the foot support arm.

Preferably, the ankle correction device further includes a calf support pad disposed on the lower leg support arm.

Another object of the present invention is to provide a stent for an ankle correction device that is more capable of improving the comfort and efficiency of walking of a foot-hanging patient and extending the life of the product.

Therefore, the bracket of the foot and ankle correction device has an L-shape and includes a foot support arm, a connecting arm connecting the foot support arm, and a calf support arm connecting the connecting arm, the foot The support arm has a front end, and a rear end opposite to the front end, the lower leg support arm has a top end, and a bottom end opposite to the top end, the connecting arm is rearward from the rear end of the foot support arm The bottom end of the lower leg support arm is extended upwardly and has an arc shape. The utility model has the advantages that the crotch strap with the flexibility and the two through grooves of the connecting arm are matched, and the crotch strap is bundled to position the user's crotch and can achieve the flexing function. The necked section on the foot support arm provides space for the foot support pad to extend upwardly from the arch and is suitable for the left and right feet. The L-shaped bracket made of carbon fiber material has the effect of storing elastic energy and helping the elastic return, which can help the user to walk and maintain the smoothness and travel efficiency between the travels. Moreover, the carbon fiber material is made. The bracket is more durable and extends the life of the product.

The foregoing and other technical aspects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments.

Referring to Figures 1 and 2, a preferred embodiment of the present type of ankle correction device is provided for use by a user's lower leg and foot to position the ankle and to assist the drop foot after wearing the patient. Return to a more efficient gait walking. The ankle correction device comprises a bracket 1, a foot support pad 2, a small leg support pad 3, and a strap unit 4.

The bracket 1 includes a foot support arm 11, a connecting arm 12 connecting the foot support arm 11, and a lower leg support arm 13 connecting the connecting arm 12. The foot support arm 11 has a front end 111, and a front end opposite to the front end The rear end 112 of the 111, the calf support arm 13 has a top end 131, and a bottom end 132 opposite to the top end 131. The connecting arm 12 extends rearward from the rear end 112 of the foot support arm 11 and extends upwardly to connect the lower leg support arm The bottom end 132 of the 13 has an arc shape. The foot support arm 11 supports the user's foot. The connecting arm 12 has an arc shape corresponding to the user's crotch shape and supports the user's ankle portion. The calf support arm 13 is for the user's lower leg to abut. The connecting arm 12 has two slots 121 spaced apart from each other, and the two slots 121 extend along the length of the connecting arm 12. In the preferred embodiment, the bracket 1 is integrally formed and made of a carbon fiber material.

The foot support pad 2 is disposed on the foot support arm 11 and has an outer shape corresponding to the shape of the user's foot. The calf support pad 3 is disposed on the lower leg support arm 13 and has an outer shape corresponding to the shape of the user's lower leg. . Preferred in this In the embodiment, the foot support pad 2 and the calf support pad 3 are made of a thermoplastic sheet, such as a low temperature thermoplastic sheet of a splint.

The foot support arm 11 also has a front section 113 at the front end 111, a rear section 114 at the rear end 112, and a necked section 115 connecting the front section 113 and the rear section 114 and having a smaller width than the front section 113 and the rear section 114. That is, the width W1 of the front section 113, the width W2 of the rear section 114, and the width W3 of the neck section 115 are defined, and the width W3 of the neck section 115 is smaller than the width W1 of the front end 111 and the width W2 of the rear section 114, for which the foot is The shape of the support arm 11 is slightly I-shaped, and the opposite sides of the neck portion 115 correspond to the curvature of the inner side of the foot of the user's left and right feet (ie, the arch). In other words, when applied to the left foot of the user, it is only necessary to change the shape of the foot support pad 2 to correspond to the left foot; conversely, when applied to the right foot of the user, it is only necessary to change the shape of the foot support pad 2 The right foot, that is, the user's left and right feet can share the same bracket 1, thereby reducing the cost of materials.

The foot support pad 2 has a toe portion 21 and a heel portion 22 opposite the toe portion 21 and adjacent to the connecting arm 12. The foot support arm 11 is disposed adjacent to the heel portion 22, and the length of the foot support arm 11 is about 2/3 of the total length of the foot support pad 2, so that the user's foot is penetrated and the front end of the foot is rotated up and down. .

The flexible strap unit 4 includes a foot strap 41 disposed on the foot support pad 2 for binding the user's foot, and a crotch portion disposed on the connecting arm 12 for binding the user's ankle. A strap 42, and a calf strap 43 disposed on the calf support pad 3 for binding the user's lower leg. The end straps of the foot strap 41, the ankle strap 42 and the calf strap 43 can also be loop and hook faster for easy adhesive positioning, and the foot strap 41, The ankle strap 42 and the calf strap 43 can be adjusted in length as the thickness of the lower leg, ankle, and foot of different users.

Referring to Figures 1, 3 and 4, when the user's calf and foot are worn with an ankle correction device, the foot is aligned on the foot support pad 2, and the lower leg rests on the lower leg. Support pad 3. Then, the foot strap 41 is wrapped around the foot and the foot support pad 2 to position the foot; the ankle strap 42 is passed through the one of the through slots 121 from the outer side of the connecting arm 12, bypassing the connecting arm 12 The inner side surface of the connecting leg 12 and the outer side of the connecting arm 12 surround the covering portion and the connecting arm 12 to position the crotch portion; the small leg strap 43 is wrapped around the small cover The leg and calf support pad 3 is used to position the lower leg portion, which not only allows the foot-footed patient to wear, but also prevents the foot-foot condition from recurring, and also provides the function of restraining and protecting the ankle joint for the injured foot and ankle.

It is worth mentioning that the L-shaped bracket 1 made of carbon fiber material can make the ankle correction device lighter, does not make the user feel cumbersome after wearing the ankle correction device, and is not easy to walk; and encounters the foot during the walking cycle. When the heel 22 is on the ground or when the toe 21 is off the ground, the carbon fiber material is extremely elastic, and can store elastic energy, help the elastic reset, assist the walking and advance, and increase the walking efficiency and comfort of the user. It can prevent the user from going back to the foot again; finally, the L-shaped bracket 1 made of carbon fiber material has higher durability, compared with the existing rear blade type ankle and ankle and front foot. 踝 Correction can extend the life of the product. The foot support pad 2 is at the necked portion 115 of the foot support arm 11, and the arch can be further elongated upward to make the wearability and supportability better. In addition, the foot support pad 2 and the calf support pad 3 can be added to the side of the user's limb, and a cushion or cloth (not shown) can be added to increase the wearing comfort.

Moreover, the ankle-ankle correction device of the present embodiment does not require a hinge joint as an ankle joint as compared with the conventional articulated ankle-ankle orthosis, and only provides an ankle joint using the flexible L-shaped bracket 1. Distorted (protected) distortion and back space. The ankle strap 42 and the two through slots 121 of the connecting arm 12 cooperate to allow the user to wear the ankle correction device, and the ankle strap 42 can be elastically deformed when the jaw portion is bent at a large angle. It can bend the user's ankle and prevent excessive force from being applied to the skin through the ankle strap 42 to achieve the wearing comfort effect.

Referring to Figures 4 and 5, on the other hand, when the L-shaped bracket 1 is attached to the patient's foot that is injured by the foot or the ankle, the extension of the lower leg support arm 13 to the normal of the foot support arm 11 The angle θ1 is inclined between 0 degrees and -5 degrees to help the lower leg and the foot receive a backing preload to support the ankle correction device, thereby propping up the foot, thereby reducing excessive ankle joint bending, including foot.

Referring to FIG. 4 and FIG. 6, in addition, when the L-shaped bracket 1 is prepared, the extension angle of the leg support arm 13 to the normal angle θ2 of the foot support arm 11 can be inclined between 5 degrees and 0 degrees. The geometric shape of the posterior edge of the calf of a young child. When wearing the ankle correction device, the foot is placed on the foot support arm 11 to allow the lower extremity to stretch the child with excessive tension (such as cerebral palsy), calf The muscle tension of the part and foot is moderately suppressed, which in turn causes the calf, ankle and foot to return to normal position. This means that the design can make appropriate adjustments or provide different angles before the ankle correction device leaves the factory according to the muscle tension, the injured state or the geometric shape of the calf in the user's leg, ankle and foot. .

In summary, the foot and ankle correction device of the present invention is matched by the flexible crotch strap 42 and the two through slots 121 of the connecting arm 12, and the crotch strap 42 is tied to the user's ankle and can be reached. The deflection function and the L-shaped bracket 1 made of carbon fiber material have the effect of reserve elastic energy and help elastic return, which can help the user to walk and maintain the smoothness and walking efficiency between the travels; The bracket 1 made of carbon fiber material has higher durability and can prolong the service life of the product, so it can achieve the purpose of the present invention. Moreover, the foot support pad 2 is at the necking section 115 of the foot support arm 11, and the arch can be further extended upward, so that the wearability and the supportability are better, and the wear comfort of the present invention is achieved.

However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereto, that is, the simple equivalent change and modification made by the novel patent application scope and the novel description content, All remain within the scope of this new patent.

1‧‧‧ bracket

11‧‧‧foot support arm

111‧‧‧ front end

112‧‧‧ Backend

113‧‧‧

114‧‧‧After

115‧‧‧neck section

12‧‧‧Connecting arm

121‧‧‧through slot

13‧‧‧Leg support arm

131‧‧‧Top

132‧‧‧ bottom

2‧‧‧foot support pad

21‧‧‧Foot

22‧‧‧Heel

3‧‧‧Small leg support pad

4‧‧‧Tie unit

41‧‧‧foot straps

42‧‧‧踝踝带带

43‧‧‧Knee straps

W1‧‧‧Width

W2‧‧‧Width

W3‧‧‧Width

Θ1‧‧‧ angle

Θ2‧‧‧ angle

1 is a perspective view of a preferred embodiment of a novel ankle correction device; FIG. 2 is a schematic view showing the relationship of the width relationship of the front, rear and neck segments of a foot support arm; Figure 3 is a schematic cross-sectional view showing a two-way groove in which a crotch band is provided with a connecting arm; Figure 4 is a schematic view showing a user wearing an ankle-correcting device; Figure 5 is a view showing an extension of a small leg supporting arm The line can be inclined from 0 to -5 degrees with respect to the normal of the angle of the foot support arm; and FIG. 6 is an illustration showing that the extension line of a small leg support arm can be inclined by 5 degrees with respect to the normal angle of the foot support arm. Schematic diagram between 0 degrees.

1‧‧‧ bracket

11‧‧‧foot support arm

111‧‧‧ front end

112‧‧‧ Backend

12‧‧‧Connecting arm

121‧‧‧through slot

13‧‧‧Leg support arm

131‧‧‧Top

132‧‧‧ bottom

2‧‧‧foot support pad

21‧‧‧Foot

22‧‧‧Heel

3‧‧‧Small leg support pad

4‧‧‧Tie unit

41‧‧‧foot straps

42‧‧‧踝踝带带

43‧‧‧Knee straps

Claims (13)

An ankle correction device comprising: an L-shaped bracket, comprising a foot support arm, a connecting arm connecting the foot support arm, and a calf support arm connecting the connecting arm, the foot support arm having a front end, and a rear end opposite to the front end, the calf support arm has a top end and a bottom end opposite to the top end, the connecting arm extends rearward and upward from the rear end of the foot support arm The lower leg supports the bottom end of the arm and has an arc shape; a foot support pad is disposed on the foot support arm; and a flexible strap unit includes a foot disposed on the foot support pad A strap, an ankle strap disposed on the connecting arm, and a calf strap disposed on the lower leg support arm. The ankle correction device according to claim 1, wherein the connecting arm has two spaced apart slots, the two through slots extending along a length of the connecting arm, the ankle strap passing through the two Through the slot. The ankle correction device according to claim 1, wherein the foot support arm further has a rear portion at the rear end, and a neck portion connected to the rear portion and having a width smaller than the rear portion. The ankle correction device according to claim 1, wherein the foot support arm further has a front portion at the front end, a rear portion at the rear end, and a front portion and a rear portion connected to each other and having a width smaller than the The necking section of the front section and the rear section. The ankle correction device according to claim 1, wherein the extension line of the calf support arm is inclined by 0 degrees compared to a normal line of the foot support arm. Between -5 degrees. The ankle correction device according to claim 1 or 5, wherein the extension line of the lower leg support arm is inclined by between 5 and 0 degrees with respect to a normal line of the foot support arm. The ankle correction device according to claim 1, further comprising a calf support pad disposed on the lower leg support arm. A bracket for an ankle correction device having an L-shape and comprising a foot support arm, a connecting arm connecting the foot support arm, and a calf support arm connecting the connecting arm, the foot support arm having a front end, and a rear end opposite to the front end, the calf support arm has a top end and a bottom end opposite to the top end, the connecting arm extends rearward and upward from the rear end of the foot support arm The lower leg supports the bottom end of the arm and has an arc shape. A bracket for an ankle-ankle correction device according to the invention of claim 8, wherein the connecting arm has two spaced apart slots, the two slots extending along a length of the connecting arm. A stent for an ankle correction device according to claim 8 wherein the foot support arm further has a rear portion at the rear end and a neck portion connected to the rear portion and having a width smaller than the rear portion. The bracket of the ankle correction device according to claim 8, wherein the foot support arm further has a front portion at the front end, a rear portion at the rear end, and a front portion and the rear portion The width is smaller than the necking section of the front section and the rear section. A stent for an ankle-ankle correction device according to claim 8 wherein the extension line of the lower leg support arm is inclined relative to a normal line of the foot support arm Oblique between 0 degrees and -5 degrees. A stent for an ankle correction device according to claim 8 or 12, wherein the extension of the lower leg support arm is inclined between 5 and 0 degrees from the normal of the foot support arm.