Orthopedic walking aids

Abstract

An orthotic walking aid (100) includes a body (101) formed of at least one polymeric material and having an integral structure. The body (101) forms a first portion (102) and a second portion (104), which are divided by a midsole (Mp) and interconnected by a footbed (106). The first portion (102) and the second portion (104) extend from the footbed (106) to form an internal volume (105) for receiving the user's foot and lower leg. The first portion (102) and the second portion (104) are configured to surround or hinge to the midsole to expand and contract the internal volume (105). The body (101), consisting of the first portion (102), the second portion (104), and the footbed (106) including an outsole (126) with a pattern (162), is integrally formed of at least one polymeric material as a continuous structure. The at least one polymeric material is a foamed thermoplastic.

Description

Background Technology

[0001] Sprains, fractures, and soft tissue injuries involving the lower leg and foot are commonly caused by domestic accidents, workplace accidents, and sports-related trauma. Other wounds or sensitive areas in the lower extremities may result from surgical interventions or certain medical conditions. These injuries can affect many people and, while not life-threatening, can become more severe if left untreated, unstabilized, and / or unprotected.

[0002] Existing solutions for treating, stabilizing, and / or protecting injured or surgically recovered lower limbs can be categorized into two approaches: casting systems and orthotic braces. Each approach provides the necessary rigid support for the user's limb, but each has significant drawbacks and limitations.

[0003] Known casting systems are typically fabricated directly onto the user's limb and conform to an individual's unique anatomy. A casting system consists of an internal filling and an external material layer, the latter molded in an initial state and subsequently transformed into a rigid material state, such as molded plaster or resin applied to the limb and then hardening in situ. Casting systems are often difficult and cumbersome to manufacture; once hardened, they cannot be adjusted, are not easily removed without damage, are not reusable, are not breathable or hygienic, and must be worn continuously for extended periods.

[0004] Orthotic braces include a variety of splints, braces, and walking boots. Braces can be mass-produced and formed into complex, multi-part systems that allow for adjustment or fastening to the user's limb. Such multi-part systems typically include several straps or other fixation mechanisms, a padded structure secured around the limb by a rigid plastic shell or splint, enclosing or wrapping the limb in a soft or padded internal covering, and a relatively rigid frame or shell. The complexity of multi-part systems and the cost of the required materials make orthotic braces uneconomical in terms of personalized structures that conform to anatomical or therapeutic needs.

[0005] There is a need for a cost-effective stabilization solution that can adapt to the user's anatomy, adjust around the user's limbs, and reduce or eliminate complex multi-part systems.

[0006] Furthermore, non-adjustable casting systems and complex orthotic braces are bulky. Many traditional walking aids weigh at least 750 grams, and many weigh at least 850 grams. The outer surface of plaster casts can be rough, and the surface contours of orthotic braces are uneven, both of which often obstruct the use of clothing, furniture, and bedding, or cause uncomfortable contact with the user's other limb. There is a further need for a more comfortable solution that surrounds the limb, is structurally lighter and more streamlined, and is easier to use.

[0007] Another challenge with existing devices, including traditional strut-type walking aids, is the inflexible, uncomfortable, and inconvenient nature of existing fixation technologies. For example, traditional strut-type walking aids consist of a footplate and two inflexible struts (usually metal), with a shell to secure a portion of the user's anatomy. The inflexibility of traditional devices designed for fixation results in a device that is difficult to adapt to individual user needs and sizes (especially around the calves), particularly since existing devices are typically designed based on the user's shoe size rather than their calf size. A device is needed that provides the necessary fixation while minimizing the challenges posed by the inflexibility of existing devices.

[0008] Users find orthotic walking aids uncomfortable because of the leg length difference between the healthy leg and the injured leg worn with the aid. Most orthotic walking aids have a heel height of at least 34mm to cushion and stabilize the heel. This height is caused by the multiple layers and thickness required for heel stability. Even slight differences in midsole and heel height can cause gait problems and lead to pain in the lower back, hips, ankles, and knees.

[0009] The orthotic walking aid or walking boot disclosed herein bridges the gap between these two solutions in the prior art, offering the advantage of an adjustable solution that conforms to an individual's anatomy without the associated disadvantages of increased weight, complexity, and cost. Summary of the Invention

[0010] Orthotics or walking aids are designed to be easy to put on and take off, and to provide reliable protection and support for the limbs.

[0011] The walking aid can be constructed with a semi-rigid body material to reduce its complexity, cost, and weight. The semi-rigidity of the body material provides rigid support to the limbs and allows the walking aid to elastically maintain or return to its original shape, while also possessing flexibility or resilience for easy and comfortable regular donning and doffing. While a semi-rigid body material is preferred, other materials may also be used.

[0012] This walking aid combines the strength, support, and customizable fit of a casting system with the adjustability and other functional and structural advantages of an orthotic brace. Due to its semi-rigid body material, the walking aid can be advantageously manufactured as a monolithic structure, a single-component structure, or multiple components. The semi-rigid body material preferably forms a monolithic structure to provide a comfortable, readily adjustable fit around the limb without requiring additional splints, supports, padding, or other components as needed in existing devices. Compared to casting systems and conventional orthotics, the semi-rigid body material further reduces the cost and weight of the walking aid.

[0013] The material properties of the walker body can be adjusted to suit the required fit and retention. Increased flexibility allows the walker body to close properly on the limb, helping to secure the walker to the user's limb during activity. Increased rigidity can be used for injuries where protection against external forces is most important, and / or to provide support for areas requiring greater fixation or support.

[0014] The body of the walker can be advantageously constructed with smooth, streamlined, and soft surfaces on both the internal and external surfaces, while retaining sufficient strength to stabilize the limbs. The smooth surface prevents the walker from getting caught on clothing or other objects (such as knee skateboards or crutches) or causing discomfort during sleep or other activities.

[0015] The streamlined appearance and contours of the walker's main body offer a more agile design, more akin to athletic or running shoes. It is estimated that the smaller size and internal volume, better suited to the user's legs and feet, result in a more aesthetically pleasing and snug fit, leading to better conformation when wearing the orthotic walker.

[0016] Unlike known walking aids, the outsole pattern is integrally formed and integrated with the rest of the walking aid body, eliminating the need for a separate outsole pattern attached to the walking aid. This design offers significant benefits in reducing the heel and midsole height of the walking aid, making it closer to the heel height of an uninjured foot relative to the ground, whether wearing shoes or not. The outsole pattern can be formed with anti-slip patterns or use other methods (i.e., depressions, protrusions) to prevent slipping on the ground.

[0017] The material used for the walking aid body can be selected according to the individual user's and / or activity level. Thicker or higher-density materials can be used for more active users, while thinner or lower-density materials can be used for less active users. The material properties of the walking aid body can be adjusted according to the user's injury and activity level, and can accommodate many injuries and users.

[0018] Similarly, the embodiments described herein can use different material properties, including varying thicknesses, densities, or stiffness of the main body material, to adjust the flexibility and elasticity of the walker around different parts of the limb. Injured areas can receive greater support, compression, fixation, or protection, while other areas offer more mobility and comfort.

[0019] An exemplary host material could be a foamed plastic. Foamed plastics are understood to be porous or foamy, such as closed-cell plastics. The choice of foamed plastic can be based on its stiffness, either in terms of material composition or structure (e.g., by thickness), or both. An example of a foamed plastic is ethylene vinyl acetate (EVA), an expanded rubber or foamed rubber and an elastic polymer that produces materials with rubber-like softness. EVA can contain varying proportions of vinyl acetate, which structurally alters the toughness and stiffness of the EVA. Other polymeric materials can also form the host and can be selected from the non-limiting group including polyurethane, polyethylene, and polypropylene.

[0020] Compared to traditional orthotic walking aids, foam plastic provides a rigid yet lighter body. Foam plastic also allows for flexibility to facilitate wearing the walking aid. Wearing and removing the integral form of the walking aid is achieved through at least one opening provided in the walking aid body, which can be an elongated opening or other forms. This at least one opening can be configured to partially divide the walking aid body into first and second sides along the limb receiving area of ​​the walking aid. This at least one opening can extend along the length of the limb receiving area to allow the user to fold back to the first and second sides of the walking aid, thereby inserting the limb into the limb receiving area without excessive bending of the injured limb or joint. This configuration can advantageously make wearing from a supine position easier, for example, after surgery.

[0021] The at least one opening can also be configured to allow access to the limb when the walker body is secured to it. The walker body can secure the user's ankle while also having a narrow opening that exposes the proximal side of the foot and toes. This configuration allows clinicians to access the bandages on the foot, provide additional space for injured toes, and / or provide ventilation to the proximal side of the foot without sacrificing the required stability, fixation, or support.

[0022] These and other features, aspects and advantages of this disclosure will be better understood through the following description, the appended claims and the accompanying drawings. Attached Figure Description

[0023] The accompanying drawings are not necessarily drawn to scale, but are intended to provide a better understanding of the components. The drawings are not intended to limit the scope of this disclosure, but rather to provide exemplary illustration. The drawings show exemplary configurations of orthopedic walking aids and in no way limit the structure or configuration according to this disclosure.

[0024] Figure 1 This is a side perspective view of one embodiment of an orthopedic walking aid.

[0025] Figure 2 yes Figure 1The rear perspective view of the orthopedic walking aid shown.

[0026] Figure 3 yes Figure 1 The bottom plan view of the orthopedic walking aid shown.

[0027] Figure 4 It is along Figure 1 A cross-sectional view of line IV-IV in the diagram.

[0028] Figure 5A yes Figure 1 A perspective cross-sectional view of a variation of the insole of the orthotic walking aid shown.

[0029] Figure 5B It is a perspective view of a variation of the ribbon structure.

[0030] Figure 6 yes Figure 1 A perspective sectional view of the modified strap of the orthopedic walking aid shown.

[0031] Figure 7 It is displayed Figure 1 A schematic diagram showing the dimensions and outline of the insole in the orthopedic walking aid.

[0032] Figure 8 It is displayed Figure 1 A schematic diagram showing the dimensions and outline of the outsole in the orthotic walking aid.

[0033] Figure 9 It is along Figure 1 A cross-sectional view of line IX-IX in the diagram.

[0034] Figure 10 Is as Figure 9 A variant cross-sectional view, which includes a heel wedge.

[0035] Figure 10A yes Figure 10 The image shows a perspective view of the heel wedge.

[0036] Figure 10B yes Figure 10A The image shows a front perspective view of the heel wedge.

[0037] Figure 11A This is a first exemplary view of a variant of an orthotic walking aid, which includes a heel insert with toe guards.

[0038] Figure 11B This is a second exemplary view of an orthotic walking aid, which includes a toe guard that closes the toe opening.

[0039] Figure 12A This is a perspective view of another embodiment of the toe guard.

[0040] Figure 12B yes Figure 12A The toe guard shown is a cross-sectional view.

[0041] Figure 12C It has Figure 12A A perspective view of the toe guard orthotic walker shown.

[0042] Figure 13 This is a perspective view of another embodiment of an orthotic walking aid with integrated toe guards.

[0043] Figure 14 This is a perspective view of another embodiment of the orthopedic walking aid.

[0044] Figure 15 yes Figure 14 A perspective view of the frame insert in the orthopedic walker shown.

[0045] Figure 16 yes Figure 14 A perspective view of the main body of the orthopedic walking aid shown.

[0046] Figure 17 It is along Figure 16 A sectional view of line XVII-XVII in the diagram.

[0047] Figure 18 This is a cross-sectional schematic diagram of one embodiment of the gasket.

[0048] Figure 19 This is a cross-sectional schematic diagram of another embodiment of the gasket.

[0049] Figure 20A This is a perspective view of another embodiment of the orthopedic walking aid.

[0050] Figure 20B yes Figure 20A The bottom view of the orthopedic walking aid shown depicts the outsole.

[0051] Figure 20C yes Figure 20A A top view of the orthopedic walking aid shown.

[0052] Figure 20D yes Figure 20A The rear view of the orthopedic walking aid shown.

[0053] Figure 21A yes Figure 20A An embodiment of the strap blocking element in the orthopedic walking aid shown.

[0054] Figure 21B yes Figure 21A An embodiment of the strap blocking element in the orthopedic walking aid shown.

[0055] Figure 21C yes Figure 21A An embodiment of the strap blocking element in the orthopedic walking aid shown.

[0056] Figure 21D Figure 21A An embodiment of the strap blocking element in the orthopedic walking aid shown.

[0057] Figure 22A yes Figure 20A An exemplary view of the ankle strap on the orthotic walker shown.

[0058] Figure 22B yes Figure 22A The diagram shows a plan view of the ankle strap.

[0059] Figure 22C yes Figure 22A A cross-sectional view of a variation of the ankle strap shown.

[0060] Figure 23A yes Figure 20A The cross-sectional view of the orthopedic walker shown reveals an opening for the pump.

[0061] Figure 23B yes Figure 20A A perspective view of the pump in the orthopedic walker shown.

[0062] Figure 23C It is displayed Figure 23B The pump shown is in Figure 23A A cross-sectional view of the opening shown.

[0063] Figure 24A It is used for insertion Figure 20A A perspective view of the soft and airbag components in the orthopedic walking aid shown.

[0064] Figure 24B yes Figure 24A A perspective view of the airbag in the software and airbag assembly shown.

[0065] Figure 24C yes Figure 24A A perspective view of the software and airbag assembly shown.

[0066] Figure 25A yes Figure 20A A cross-sectional view of the inner surface of the orthotic walker in the toe region.

[0067] Figure 25B It is used for insertion Figure 25A A plan view of the stop within the groove in the toe area shown.

[0068] Figure 26 They have different surface textures Figure 1 An exemplary side view of the orthopedic walking aid shown. Detailed Implementation

[0069] A. Introduction to Examples and Definition of Terms

[0070] Examples of orthotic walking aids are designed for wearing and removing from the user and provide stability and support for anatomical parts of the user, such as the lower leg, ankle, and foot.

[0071] This walking aid features a semi-rigid or rigid body material to reduce its complexity, cost, and weight. When worn on the limb, the semi-rigidity of the body material provides rigid support and allows the walking aid to elastically maintain or return to its original shape, while also possessing flexibility or resilience for easy periodic wear and removal. Unlike traditional orthotic walking aids, a preferred embodiment of the walking aid's body is constructed from a single material, avoiding the need to provide different structural materials. This eliminates the need to fix different materials with adhesives and fasteners and possesses sufficient strength and elasticity to withstand normal ground reaction forces occurring in the foot, ankle, and leg, while stabilizing the limb and providing a close fit. However, it is also conceivable that orthotic walking aids are not necessarily limited to a single-piece structure.

[0072] This walking aid combines the strength and support of a casting system with the adjustability of an orthopedic walking aid. However, due to its semi-rigid body material, the walking aid can be advantageously manufactured using either a monolithic or single-piece structure. The simplified structure enhances ease of use and comfort, and provides a lighter weight.

[0073] While the embodiments of this disclosure are suitable for supporting and stabilizing the anatomical portions of many users with various anatomical shapes and sizes, the embodiments of this disclosure can also be made to fit different types, shapes, and sizes of anatomical portions. The walker can be an off-the-shelf product adapted to the general size and shape of the lower limbs and feet, or it can be easily customized.

[0074] It should be understood that unless a term is defined in this disclosure as having the meaning described, there is no intention to limit the meaning of that term beyond its simple or ordinary meaning, whether explicit or indirect.

[0075] While the embodiments described and shown above are available, alternatives and modifications to these embodiments (such as those suggested by others) may fall within the scope of this disclosure. Although orthotic walking aids conforming to the shape of the lower leg and foot have been described, it is understood that the principles described can be extended to other types of orthotics and / or other limbs or body parts.

[0076] For ease of understanding, in the disclosed embodiments of the orthotic walking aid, the anterior or anterior side and the posterior or posterior side of the orthotic walking aid are described independently. The anterior and posterior sides are defined by the frontal or coronal plane Fp, as... Figure 1 As described in the text, the front and rear sections of the orthotic walker work together to form a supportive and stable boot that surrounds the user's anatomical features.

[0077] In some embodiments, the lateral and medial portions of the orthotic walking aid are described independently. The lateral and medial portions are defined by the midplane or sagittal plane Mp, as... Figure 1 As shown. The outer and inner portions of the orthotic walker work together to form a supportive and stable boot that surrounds the user's anatomical features. When the orthotic walker is universal or designed for roughly symmetrical left and right legs and feet, the two sides of the orthotic walker S... I S II Divided by the middle surface, at least as Figure 1 As shown.

[0078] The term "rear" also has a general meaning, referring to the position behind or behind a location. The term "front" also has a general meaning, referring to the position in front of or in front of a location. The term "inner side" generally refers to the position closer to the midline, such as the inside of the foot. The term "outer side" generally refers to the position further from the midline, such as the outside of the foot.

[0079] The term "distal" has a general meaning, referring to a location far from the limb connection point. The term "proximal" has a general meaning, referring to a location close to the connection point. However, a structure can be proximal or distal with respect to another reference point. The knee is distal with respect to the thigh but proximal with respect to the lower leg; however, in orthotic walking aids, the knee is a reference frame, so the proximal Pr is closer to the knee, while the distal D... i Further away from the knees.

[0080] The terms “rigid,” “semi-rigid,” and “compressible” can distinguish certain characteristics of orthopedic walking aids. The term “rigid” should indicate that a component of the device has no flexibility. Within the scope of “rigid” support members or housings, it should indicate that they do not lose their overall shape when subjected to stress and may break if bent with sufficient force.

[0081] The term "semi-rigid" is generally used to describe the property of a support component that provides support and exists independently; however, such a support component is flexible or elastic and may deform continuously when appropriate forces are applied. The term "compressible" generally defines a structural feature that can reduce in size or volume due to forces applied to it. Foamed plastics can have lightweight cellular structures, such as closed-cell foams; however, foamed plastics can be covered with porous materials, or other generally lightweight or low-density materials.

[0082] The term "monolithic" generally indicates that a component of a walking aid is continuous in its structure, rather than being a combination of separate and spatially adjustable parts. The term "slender" generally indicates that a component of a walking aid is longer than it is wide.

[0083] A better understanding of the various embodiments of this disclosure can be achieved by reading the following description in conjunction with the accompanying drawings, in which reference numerals denote similar elements. While various modifications and alternative structures can be provided with respect to this disclosure, some illustrative embodiments are described in the drawings and below. However, it should be understood that this disclosure is not intended to be limited to the disclosed embodiments; rather, it includes all modifications, alternative structures, combinations, and equivalents that fall within the spirit and scope of this disclosure.

[0084] B. Description of the Implementation Examples

[0085] Figure 1 The diagram shows a perspective view of an orthotic walking aid 100 in a closed configuration, meaning it is in a predetermined configuration that can be worn and adjusted by an individual user. The orthotic walking aid 100 has a body 101 formed by a monolithic structure, wherein the body 101 is formed of the same material and is arranged to extend uninterruptedly around the user. The structure of the body 101 consists of a single material portion that includes various features that can be used to support external features.

[0086] The external features of the monolithic body may include a pump 110 and a valve 112, adapted to communicate with a liner 107 having an air bladder, for providing support for the internal volume 105 along the inner surface 111 of the body 101. Straps 140, 142, and 144 may be attached to the body 101 and have features that allow this attachment. Some of these straps preferably form a circumference with the body for wrapping around the user's lower leg.

[0087] The main body 101 has a shape corresponding to a limb and has an integral structure to fit snugly to the user. As shown in U.S. Patent Application 16 / 266,925, the main body 101 is configured to receive the user's limb in an open configuration and close around the user's limb in a closed configuration, such as... Figure 1 As shown. In Figure 1In its closed construction, the body 101 can have a general boot shape, conforming to the shape of the user's foot and part of the user's lower leg (including the ankle). When in a general boot shape, the footprint and volume of the orthotic walker 100 are reduced because it is molded to the general shape of the lower leg and foot. As discussed, such advantages include reduced height and midsole height because the body 101 has a one-piece structure and may not require the different layers and corresponding adhesives and interlocking parts (metal struts, outsole patterns, etc.) found in conventional walkers. The outer surface / periphery 103 and the inner surface / periphery 111 of the body 101 are substantially adapted to the anatomical shape of the lower leg and foot.

[0088] The main body 101 can be configured for the user's intended therapeutic purpose. The height of the main body 101 can vary depending on the treatment situation; however, the height of the footrest 106 relative to the ground and the user's uninjured feet and legs is closer than in conventional walking aids. The main body 101 can have a high-top extending onto the user's calves, or it can be manufactured or customized to have a low-top. The orthotic walking aid 100 can be configured at different heights to accommodate the conditions and indications for treatment.

[0089] Due to the monolithic structure of the orthotic walking aid 100, the body 101 can have an open or closed toe area 108. The closed toe construction is advantageous compared to prior art embodiments such as plaster casts (where toe closure can only be achieved by tightly wrapping the toe area) and orthotic braces (where the toes are open due to the limitations of a multi-component system). The open toe construction is advantageous because it provides more contact, space, and / or ventilation for the user's limbs. Advantageously, the body 101 can be constructed according to the user's needs, and / or can be cut or otherwise modified to suit the user's requirements.

[0090] However, as shown and discussed in Figures 11 and 12, toe guards can be provided to address the issue of closing the toe area 108 without interfering with the open toe area of ​​the body 101. The orthotic walking aid 100 can have a closed toe area 108 because the closed toe area can be molded using the material of the body 101 itself, such as... Figure 13 As shown and discussed.

[0091] The body 101 can be formed as a single part from a semi-rigid body material. The semi-rigid body material reduces the complexity, cost, and weight of the orthotic walking aid 100. The semi-rigidity of the body material provides rigid support to the limb and allows the orthotic walking aid 100 to elastically maintain or recover its original shape, while possessing flexibility or resilience to facilitate periodic donning and doffing. Preferred materials for forming the body 101 include foamed polymers such as EVA, rubber foam, or closed-cell foam. Other polymeric materials may also be used, which have sufficient rigidity to closely support and secure the lower limbs and feet while providing a protective barrier for the components and allowing the body 101 to also function as a shoe sole to withstand repeated ground impacts. The material forming the body 101 can also advantageously reduce the weight of the orthotic walking aid 100 body without sacrificing the required robustness.

[0092] Depending on preferred processing and / or stabilization, the semi-rigid body material may be configured to have different material properties, including material thickness, density, etc. The semi-rigid body material may be configured to substantially maintain the closed structure of the body 101. In some embodiments, the semi-rigid body material may be configured to provide compression to secure the body 101 to the limb when no force or pressure is applied to it. The shape of the body 101 may be configured to support specific areas or prevent specific movements of specific limbs.

[0093] The internal volume 105 of the orthotic walking aid 100 and the main body 101 can be defined by a first portion 102 and a second portion 104, and a footbed 106. The first portion 102 and the second portion 104 define the upper or proximal portion of the orthotic walking aid 100 corresponding to the user's lower leg, while the footbed 106 defines the lower or distal portion of the orthotic walking aid 100 corresponding to the user's foot. Since the preferred material forming the main body 101 is structural foam, the main body 101 can be directly fixed to the limb, providing both rigid and compressive support without discomfort.

[0094] The tread pattern 162 of the outsole 126 of the footbed 106 can be configured to prevent slippage and induce a smooth rollover when walking with an orthotic aid. The tread pattern 162 can be formed by the footbed 106 to limit the height of the heel and midsole, and thus the height of the body 101. If a more aggressive outsole 126 is required, supplementary tread patterns can be applied to the outsole 126 to enhance slip protection. Figure 10 As shown, a wedge can be inserted into the orthotic walker 100, which is applied along the inner sole to provide support and / or protection for the Achilles tendon.

[0095] according to Figure 1 and Figure 2In the illustrative embodiment shown, the body 101 defines at least one front opening 134 or a rear opening 136 to facilitate the donning and doffing of the orthopedic walking aid 100. At least one front opening 134 or rear opening 136 in... Figure 1 The front opening 134 is shown as a narrow opening that extends from the proximal portion of one end of the body 101 to the distal portion of the second end of the body 101 on the front side A, and generally extends along the mid-surface Mp of the orthopedic walker 100. Figure 2 A rear opening 136, which is shown as an elongated opening, extends from the proximal portion of one end of the body 101 to the distal portion of the second end of the body 101 on the rear side P, and similarly extends generally along the mid-surface Mp of the orthotic walking aid 100. Opposite front openings 134 and rear openings 136 allow the first portion 102 and the second portion 104 to be hinged generally relative to the mid-surface Mp and along the frontal surface Fp in the directions A1 and A2, to place the orthotic walking aid 100 in an open configuration for wearing the orthotic walking aid.

[0096] The orthotic walking aid 100 defines a proximal opening 115 between a first portion 102 and a second portion 104, allowing a limb (such as a foot) to slide into the internal volume 105, much like wearing a boot. A front opening 134 and a rear opening 136 separate the first portion 102 and the second portion 104, connecting to seal or enclose the user's lower leg and foot. Different widths W1, W2 exist between at least the first portion 102 and the second portion 104, either in a predetermined closure configuration or according to the adjustment of straps 140, 142, 144 spanning the front opening 134 and the rear opening 136. The front opening 134 preferably extends completely from the toe portion 108 to the proximal opening 115, thus forming a continuous opening on the front side A of the walking aid 100, completely separating the first edge 117 and the second edge 118 of the body on the front side A. The rear opening 136 may have a maximum width W2 at the proximal opening 115, and as the rear opening 136 decreases toward the footbed 106 and terminates there, the rear opening 136 gradually becomes smaller to form an end point 154.

[0097] The front opening 134 and the rear opening 136 preferably remain constant before and after wearing. While their width may vary depending on the size of the user's leg (generally at least along the mid-surface Mp of the anterior side A, apart from predetermined variability measured from the proximal and distal positions to the Pr-Di axis), the width variation of the front opening 134 and the rear opening 136 is generally determined to match the general anatomical shape of the human lower leg, ankle, and foot. The padding 107 may be configured to surround the user's lower leg, ankle, and foot, thereby providing protection to the user's leg at least within the space between the front opening 134 and the rear opening 136.

[0098] The first portion 102 and the second portion 104 can conform to the size of the user's lower leg, ankle, and foot, thereby causing the first portion 102 and the second portion 104 to be slightly deflected in the outward directions A1 and A2 relative to the mid-surface Mp, or if the user's lower leg, ankle, and foot are smaller than the predetermined open structure due to the tightening of the straps 140, 142, and 144, they are pulled closer to each other by retracting in the direction opposite to the outward directions A1 and A2. However, although the user's relative size allows for such small movements, once the orthotic walking aid 100 is worn on the user and the straps 140, 142, and 144 are properly tightened, the material of the body 101 has sufficient rigidity to resist the movement of the first portion 102 and the second portion 104 relative to each other. The ability to bend or adjust according to the size of the user's lower leg, ankle, and foot greatly enhances the ability of the orthotic walking aid 100 to fit the individual user, providing a more comfortable walking aid that does not create pressure points due to poor sizing and friction, and providing a more streamlined and closer-fitting design, especially during walking.

[0099] Because the orthotic walking aid 100 is formed of a single, monolithic structure, the body 101 can be molded with features typically found in two-piece or multi-piece walking aid structures. For example, the proximal edge 116 surrounding the proximal opening 115 can be provided as a flexible, thinner edge relative to the thickness of the first portion 102 and the second portion 104. The flexible proximal edge 116 can taper gradually to its tip, reducing friction and providing a smoother fit by eliminating a rigid proximal edge. The flexible proximal edge 116 can include the thickness variation of the first portion 102 and the second portion 104 and provide a closer fit for the user by eliminating pressure points on the user at the proximal ends of the interface terminating in the first portion 102 and the second portion 104.

[0100] Figure 4 Another example of the thickness variation at the edges of the first portion 102 and the second portion 104 is provided. The first portion 102 preferably defines a fore-arch 119 at the interface between the first portion 102 and the second portion 104 and the footbed 106 on the front side A of the body 101. The fore-arch 119 extends on the footbed 106 and has a thickness 160 along a first edge 117, which tapers towards the distal end of the footbed 106 in a first thickness aspect T1. The fore-arch 119 is symmetrical on both the first portion 102 and the second portion 104, and on both the first and second sides of the footbed 106; for illustrative purposes, it is described with reference to the first edge 117.

[0101] As shown in the figure, the wall thickness along the first edge 117 can be maximized along the forefoot 119. As the first edge transitions between the first portion 102 and the second portion 104 and the footbed 106, the forefoot 119 can have increased material at the front to secure the ankle joint. The forefoot 119 can have a greater thickness than the adjacent areas of the first and second portions 102 and 104 or the footbed 106 on the first and second sides. Like a conventional boot, the forefoot 119 can form a generally inverted arcuate portion of the body 101 relative to the ground along the front side A. The forefoot 119 reinforces sagittal plane fixation.

[0102] Figure 4 Examples are shown of how the thickness at the forefoot 119 can be irregular or constructed to optimize fixation and cushioning along the back of the user's ankle and foot. The first edge 117 can have variable dimensions in at least a first thickness aspect T1 and a second thickness aspect T2, as well as in length. The second thickness aspect T2 can taper gradually relative to the extension of the first edge 117 (which extends along the back of the user's ankle and foot). The first thickness aspect T1 can taper gradually at the distal end because the medial and lateral sides of the foot require less support or cushioning. This orthotic walker 100 is advantageous by modifying the material thickness of the body 101 of the monolithic structure. It minimizes the need for supplementary means of stabilization and cushioning, such as padding.

[0103] Back Figure 1 and Figure 2 The orthotic walking aid 100 includes a pump 110 fixed to a body 101. The pump 110 preferably fits into an opening 114 formed by a first portion 102 of the body 101. The pump 110 may be mounted on the outer surface 103 of the orthotic walking aid, but in a variation, the body 101 provides a stable platform for the user to adjust the pump 110 and subsequently install pads 107 around the lower leg, ankle, and foot. The pump 110 is fully exposed at the proximal end of the body, allowing for easy manipulation of the pump to regulate air in the airbag, which has a valve 112 communicating with both the pump 110 and the pads 107. The valve 112 may also be fitted into an opening 113 formed by the first portion 102.

[0104] The first portion 102 defines at least a first region 120 and a second region 124, at least around the outer surface 103 of the body 101. The first region 120 and the second region 124 may be distinguished from or differentiated from the connecting region 122 adjacent to the first region 120 and the second region 124. The first region 120 may have a different color or texture than the connecting region 122.

[0105] The first region 120 may be formed of a different material than the connecting region 122, and / or have different structural properties than the connecting region 122. For example, in one variation, the first region 120 may be formed of a harder material than the connecting region 122, or be made harder than the connecting region 122, to provide greater support and stability. In another variation, the first region 120 may be treated differently than the connecting region 122 to enhance stability. In yet another variation, the first region 120 may include additives to increase its hardness relative to the connecting region. However, in each variation, the first region 120 and the connecting region 122 are integrally arranged and chemically bonded in their interchangeable or mixed material portions to form a continuous structure.

[0106] The connecting region 122 may surround each of the first region 120 and the second region 124. The orthotic walking aid 100 is not limited to the first region 120 and the second region 124, but may include a number of regions to achieve a predetermined purpose. Even the connecting region 122 may adjoin other regions forming the outer peripheral edge of the body 101, and the connecting region 122 and other regions in such regions differ in at least one characteristic, including color, texture, stiffness or hardness, and structural features (such as thickness and openings).

[0107] The main body 101 may include strategic features depending on the desired performance of the orthopedic walker 100. For example, the first region 120 and the second region 124 define at least one ventilation opening 150, 151 that extends through the thickness of the first portion 102. As shown, the at least one ventilation opening 150, 151 may include at least two ventilation openings whose shape corresponds to the shape of the first region 120 for aesthetic, structural (such as improved flexibility) or desired ventilation purposes.

[0108] Figure 1 , 2 Figures 4 and 5 show a footbed 106 defining an outsole 126, which is continuously formed from the material forming the footbed 106 (including the insole 109 of the footbed 106). The outsole 126 may have a molded structure forming part of the footbed 106, rather than a separate and discrete outsole pattern, thus eliminating the need to attach the outsole 126 to the footbed 106. A sole insert 156 may be disposed within the footbed 106 and along the inner surface 111 of the insole 109, providing additional support and cushioning for the user's foot.

[0109] Adjusting and lowering the height is a design goal of the orthotic walking aid 100. The footbed 106 defines a heel rollover region 128 at its rear end. The heel rollover region 128 preferably includes a heel extension 129 projecting rearward from an end point 154 at the junction of the footbed 106, which extends relative to the first portion 102 and the second portion 104 outward from the outsole 126 and the heel rollover region 128. The heel extension 129 is adapted to assist in absorbing vibrations in the heel area of ​​the footbed when the user's heel strikes the ground.

[0110] The footbed 106 can limit the maximum stack height 152 of the heel lift 158 ​​relative to the toe area 108, and the insole 109 increases in height relative to the outsole 126 in the rearward direction. In order to keep the height of the orthotic walking aid 100 at a minimum, the maximum stack height 152 is in the range of 20 mm to 30 mm, more preferably 25 mm.

[0111] Reference Figure 2 , 5A Straps 140, 142, and 144 (taking strap 144 as an example) extend on at least a portion of the outer surface 103 and along the inner surface 111, and cross at least one of the front opening 134 and the rear opening 136. Each of straps 140, 142, and 144 is preferably secured to the body 101 without adhesive. For example, strap 144 includes a retainer 164 fixed to its first end. The retainer 164 is preferably sized to be larger than the opening 148 in order to retain it on one of the outer surface 103 or the inner surface 111. This arrangement is advantageous because strap 144 can be removed from the orthotic walker 100 rather than being secured to the body 101 by fasteners or adhesives, and can be trimmed to the user's size.

[0112] The strap 144 is arranged to extend along the inner surface 111 and outer surface 103 of the body 101, while crossing the front opening 134 and the rear opening 136, thus forming a circumferential strap system around the orthotic walker 100. This combined circumferential arrangement of the strap 144 and the body 101 allows the orthotic walker 100 to be stably secured to the user without creating a tourniquet effect when the strap 144 itself is completely wrapped around the lower leg. The circumferential arrangement can also be slightly adjusted for the size of the user's lower leg, ankle, and foot, but once the straps 140, 142, and 144 are properly tensioned on the user, the body 101 has sufficient rigidity to resist movement of the lower leg, ankle, and foot.

[0113] To maintain a streamlined shape, the outer surface 103 has at least one recess 146, the construction and dimensions of which are consistent with the width of at least one strap 140, 142, 144, suitable for retaining at least one strap 140, 142, 144 therein. Due to the integral structure of the body 101, at least one recess 146 can be molded into the body 101, reducing the possibility of the straps snagging on objects when the orthotic walking aid 100 is worn. Thus, the at least one recess 146 can determine the position of the straps 140, 142, 144 on the outer surface 103, or at least position them near the opening to inhibit the degree of movement of the straps on the outer surface 103 of the body 101. The inner surface 111 may also have recesses corresponding to the straps to minimize pressure points within the orthotic walking aid 100 and hold the straps in a fixed position.

[0114] In a variant or with Figure 5B In the assembly of the retainer 164 shown, the first strap 140 and the second strap 142 can be secured to a D-ring 141 carried by the first end of the respective strap. Since the first strap 140 and the second strap 142 are woven in and out along the inner surface 111 and outer surface 103 of the body 101, the D-ring 141 can act as a stop when the first portion 102 and the second portion 104 are opened for wearing and removal. When the first portion 102 and the second portion 104 are in the open configuration, the straps 140, 142, and 144 can slide within the body 101.

[0115] As described, the straps are woven and slidable along the outer surface 103 and the inner surface 111, and extend through corresponding openings, which allows the straps 140, 142, 144 to remain secured to the first portion 102 and the second portion 104 when the orthotic walker 100 is in an open configuration. A variation includes using a pad 107 to secure the straps, so that when the orthotic walker 100 is in an open configuration, the pad 107 remains attached to the body 101.

[0116] Figure 5A and 6 The first portion 102 and the second portion 104 form opposing openings 148 through which a strip 144 extends from the inner surface 111 to the outer surface 103. The strip 144 has a first segment adapted to wrap around at least one of the first edge 117 of the first portion 102 and the second edge 118 of the second portion 104, and return to the other of the first portion 102 and the second portion 104, or overlap with the second segment of the strip.

[0117] Figure 5AThe insole 109 defines at least one channel 166 arranged along the centerline 170 of the footbed 106. This at least one channel 166 facilitates hinges of the first portion 102 relative to the second portion 104 in a first direction A1 and a second direction A2, thereby widening the front opening 134 and the rear opening 136. The insole 109 also defines at least one hole 168 located between the at least two channels 166 for enhancing the hinges of the first portion 102 and the second portion 104 relative to each other in the first direction A1 and the second direction A2. The at least one hole 168 provides cushioning upon heel strike and, by lowering the height of the insole 109, keeps the heel height of the walker at a minimum.

[0118] As an alternative, refer to Figure 5A The illustrated embodiments and in conjunction with Figure 13-16 In the embodiment of the orthotic walking aid 380 shown, the at least one channel 166 provides for preventing squeaking between the bottom of the body 381 and the frame insert 383, and for preventing displacement during gait. The at least one hole 168 provides for the heel 165 of the insole 109 to extend through the frame insert 383 when the heel strikes, thereby reducing the necessary height of the insole 109 and the overall heel height of the orthotic walking aid 380.

[0119] Figure 7 and Figure 8 This illustration shows how the footbed 201 of the orthotic walking aid 100 is based on a traditional shoemaker's template. A common complaint about conventional walking aids is that the lower leg or corresponding lower leg portion does not fit well, with the corresponding lower leg portion shifting too far forward. Another problem with current walking aids is that the apex of the swing is not biomechanically neutral when standing. The swing sole of current walking aids rolls too far forward or too far backward when standing, thus causing imbalance. In the orthotic walking aid of this embodiment, the insole profile 202 and the outsole profile 204 are set with their respective dimensional relationships and corresponding dimensions to compensate for the deficiencies of known orthotic walking aids.

[0120] according to Figure 7 As mentioned in the previous embodiments, the lower leg 200 of the body 101 is positioned further rearward in terms of its relative extension from the footbed 201. The lower leg 200 intersects the apex of the outsole profile 204, such that the rocking configuration of the outsole profile 204 is neutral when standing.

[0121] The maximum heel height 224 of the heel plate 214 from the apex to the insole profile 202 is 18-32 mm, more preferably 20-26 mm. The heel plate 214 preferably extends substantially parallel to the apex or the ground.

[0122] According to the preferred size, such as Figure 7 and8 As shown, depending on one side of the footbed 201, the dimensions of the exemplary insole profile 202 can have a tolerance of 5-10%; however, the proportions are essentially the same: toe lift 206 is 23mm, first MT spline length 208 is 100mm, second MT spline length 210 is 130mm, heel spline length 212 is 60mm, heel plate length 214 is 79.6mm, toe distance 216 is 70mm, and angle 218 is 23 degrees. For the outsole, the preferred dimensions (using the same tolerances and specifications as the outsole profile 204) are: toe thickness 217 is 8mm, top line length 220 is 60-80mm, heel lift 222 is 11mm, and heel height 224 is 20mm. These dimensions can be varied, but the overall intent of the dimensions is as stated above: to create a more rearward calf support, a more neutral apex, and a lower heel height.

[0123] Figure 9 The inner surface 111 of the footbed 106 defines an insole groove 302 along the insole surface 303, configured and sized to receive a sole insert 156. The insole groove 302 may form a toe groove 305 at a toe region 130, configured and sized to match the thickness of the sole insert 156, so that the sole insert 156 preferably does not protrude beyond the height 307 of the insole surface 303, as formed at the toe region 130. The insole groove 302 may define a heel groove 309 extending further into the footbed 106 than the toe groove 305. The insert 304 has a heel portion 306, which defines a greater thickness at the heel groove 309.

[0124] The insole groove 302 defines a groove 313 extending into the heel extension 129, while the sole insert 156 defines a rear flange 311 extending into the groove 313. The groove 313 extends circumferentially around the heel portion 127, wherein the insole insert 156 is located within the footbed to hold the insole insert 156 within the toe groove 305, thereby avoiding the need for adhesive bonding of the insole insert 156 and adding unnecessary heel height. The insole groove 302 is preferably configured such that the insole insert 156 is a softer material than the material forming the footbed 106, so that as the thickness of the insole insert at the heel portion 306 increases, the heel height can be reduced (which is an issue in orthotics), thus providing a lower heel height to match the user's unaffected foot and leg.

[0125] Figure 10A heel wedge 300 suitable for fitting into an internal volume 105 and adapting to an inner surface 111 and an insole 109 is shown. The heel wedge 300 comprises at least two layers 312, 314, 316, 318, and 320, which are stacked on top of each other to increase the heel height of the sole insert 156. The heel wedge 300 includes interlocking features 322 and 324 disposed between the at least two layers 312, 314, 316, 318, and 320 to lock the at least two layers together. The heel wedge 300 has a proximal profile 308, which differs from the distal profile 310.

[0126] Figure 10A and 10B The heel wedge 300 is shown in more detail. The heel wedge 300 may include a mark 326 located anywhere on at least two layers 312, 314, 316, 318, 320 to indicate the angle or relative height provided by the heel wedge 300. For example, the mark 326 is provided at the rear of each of the at least two layers 312, 314, 316, 318, 320 to indicate the angle produced by the superposition of the at least two layers 312, 314, 316, 318, 320.

[0127] The heel wedge 300 conforms to the internal contour of the internal volume 105 of the body 101 of the orthotic walking aid 100. The first layer 312 defines the top surface on which the user's heel rests. The heel arch 330 can be positioned along this top surface (generally representing the top surface of at least two layers), or it can extend along the front of other layers, such as... Figure 10B As shown. Since the heel wedge 300 or a combination of at least two layers 312, 314, 316, 318, 320 is configured to be installed in the internal volume 105, the heel wedge 300 may have an outer profile 332 or an inner profile 334 to fit snugly against a specific internal profile of the internal volume 105. Similarly, to minimize heat generated by friction between the heel and the top surface, the at least two layers 312, 314, 316, 318, 320 may be provided with perforations 336 that extend partially or completely through the thickness of each of the at least two layers or a single layer.

[0128] By conforming the heel wedge 300 to the internal contour of the internal volume 105, and by having the heel wedge 300 as a combination of at least two layers 312, 314, 316, 318, 320 or as a single layer of these layers, the heel wedge 300 can remain in place within the internal volume 105 without requiring a connecting structure.

[0129] Figure 11A and 11BAn insole insert 350 is shown, having an insole portion 352 and a toe guard portion 354. The toe guard portion 354 is constructed and sized to extend beyond the open toe area 108 and folds at a curved portion 356 connecting the insole portion 352 and the toe guard portion 354, such that the toe guard portion 354 spans across the open toe area 108. The toe guard portion 354 is preferably held in the position spanning the open toe area 108 by fasteners 358, or wedged into the body 101 of the orthotic walker for secure fastening.

[0130] Figures 12A to 12C A variation of the toe guard 360 is illustrated that can be used with embodiments of the orthotic walking aid 100 described herein. Figure 12A The toe protector 360 is shown to have a toe cup or toe portion 361 adapted to cover the user's toes. The toe protector 360 has a monolithic structure. It continuously and uninterruptedly comprises a monolithic structure having a toe portion 361, an insole portion 362, and a connecting portion 363 flexibly connecting the toe portion 361 to the insole portion 362. When inserted into the internal volume 105 of the body 101 of the orthotic walker 100, the clinician simply places the insole portion 362 into the footbed 106 of the body 101. The toe portion 361 extends from the connecting portion 363, so it is automatically positioned within the open toe area 108.

[0131] If the toe portion 361 is not desired, the clinician can cut the connecting portion 363 from the insole portion 362, leaving the toe portion 361 together with the cut connecting portion 363. Alternatively, if the toe portion is desired, the clinician can install the toe portion 361 within the open toe area 108, wherein the wing-like portion 364 is cut to fit or rest against the body 101 along its edge 365 to protect the user's toes. The toe portion 361 may include a tongue 366 extending from the end opposite to the connecting portion 363 and may include a fastening material 367 (such as a hook-and-loop fastener) that can engage with a toe strap to prevent the toe portion 361 from reverting to an open configuration. The toe portion 361 may have perforations 368 to improve breathability.

[0132] Toe guards are best molded into an open construction, such as... Figure 12A As shown, this is to reduce the complexity of the mold for making the toe guard 360, but also to place the toe part 361 in the predetermined structure for initial installation and without interfering with inserting the insole part 362 into the footbed.

[0133] Unlike existing technology systems, Figure 13 An orthotic walking aid 370 is shown, which has a closed toe section 374 and toe guards 376, such as Figure 13As shown, the toe guard 376 surrounds and protects, but does not tightly wrap around, the user's toes, achieving superior comfort compared to existing walking aids. The enclosed toe portion 374 provides a protective barrier against environmental influences without significantly increasing the bulk of the orthotic walking aid body 372. The enclosed toe portion 374 is preferably designed according to the anatomical contours of the toes and improves gait, while also making it easier for the user to walk when wearing the orthotic walking aid 370 compared to conventional walking aids.

[0134] Figures 14 to 17 Another embodiment of the orthopedic walking aid 380 is shown, having a body 381 formed in a monolithic structure and a frame insert 383 adapted to accommodate the internal volume 382 of the body 381. The frame insert 383 is preferably formed of a material harder than the body 381. The frame insert 383 includes a protrusion 386 configured and sized to fit into a recess 388 defined by the body 381 to interlock the frame insert 383 with the body 381. The frame insert 383 may define at least one opening 385 configured to correspond to a region 389 of the body 381.

[0135] Frame insert 383 may define a plurality of protrusions 387 extending peripherally and configured to insert into retaining ribs 384 defined by body 381. Retaining ribs 384 preferably include a plurality of spacers 391 that lock the periphery of frame insert 383 between the plurality of protrusions 387. Retaining ribs 384 form undercuts 390 into which the plurality of protrusions 387 can be inserted. Rear portion 392 is preferably recessed relative to retaining ribs 384 to allow for trimming if the user has large calves.

[0136] Figure 18 An exemplary pad 400 for an orthotic walking aid is shown, comprising a first laminated structure 402 having an annular material layer 404 and a foam layer 406, and fixed to a second laminated structure 408, which includes an airbag layer 410, a foam layer 412, and an annular material layer 414. The pad 400 is preferably configured to communicate with a pump 110 and a valve 112 and to line the inner surface 103 of the orthotic walking aid 100.

[0137] Figure 19 Another embodiment of the pad 422 is shown, which includes an airbag layer 424 extending along a first side and surface of the pad 422 and fixed to a first annular layer 426, with a foam layer 428 sandwiched between the airbag layer 424 and a second annular layer 430 forming the first side and surface of the pad 422. The pad 422 may be die-cut, the layers do not need to be sewn together, and the edges may be heat-welded together.

[0138] Figures 20A to 20DAnother embodiment of the orthotic walking aid 500 according to the embodiments, variations, and concepts discussed in this disclosure is described. Like the orthotic walking aid 100, the orthotic walking aid 500 includes a monolithic body 501 preferably formed of a polymer material (specifically, EVA). The monolithic body 501 defines a first portion 502 and a second portion 504, and defines an outer surface 503 and an inner surface 505. A footbed 506 is formed from the monolithic body 501, and the monolithic body 501 has an open toe area 508, as in the foregoing embodiments.

[0139] As described in the variation, the toe guard 510 can be inserted into the open toe area 508, or, as in the embodiment of the orthotic walking aid 500, the toe guard 510 can be formed along the front lip of the open toe area 508. The toe guard 510 is preferably molded together with and formed from the monolithic body 501. The toe guard 510 generally extends perpendicularly relative to the footbed 506 and connects the first portion 502 and the second portion 504. The toe guard 510 can be trimmed to suit the user's needs.

[0140] Because the orthotic walker 500 is formed in a boot-like structure, providing the necessary flexibility to open and close for the user's feet and lower legs, the integral body 501 can be configured to facilitate pulling the orthotic walker 500 onto the user's feet and lower legs via a handle 512. The handle 512 can be formed in any ergonomic manner to enable the wearing of the orthotic walker 500. In the illustrated example, the handle 512 is preferably located at the upper or proximal end of the integral body 501, and is large enough for the user's fingers to insert into it to grasp and pull the orthotic walker on the user's leg. However, if the user needs to grasp the orthotic walker in different positions for better wearing, an additional handle 522 can also be provided at a position further away from the proximal end.

[0141] The integral body 501 defines an opening for inserting and removing the pump assembly for the inflatable soft component, which is consistent with... Figures 23A-23CThis has been discussed more fully in the relevant sections. Since the integral body 501 is monolithic, it also forms grooves for securing multiple straps thereto. The upper front groove 516 and rear groove 517 are adapted to position the straps preferably around the outer surface 503 of the integral body 501 to better distribute circumferential pressure on the outer surface 503 of the integral body 501 and minimize this pressure acting directly on the user's legs. The portions of the straps secured to the outer surface 503 of the integral body 501 via the upper front groove 516 and rear groove 517 can be polished (i.e., polished surface 518) to reduce friction between the straps and the outer surface 503. Front grooves (corresponding grooves on both the first portion 502 and the second portion 504) are typically adjacent to and arranged parallel to the front peripheries of the first portion 502 and the second portion 504 to provide better leverage when closing the front peripheries of the first portion 502 and the second portion 504 by tightening the strap extending through the grooves or when pulling the front peripheries of the first portion 502 and the second portion 504 toward each other. The outer surface 503 may define a recess 520 for better positioning and securing of the strap along the outer surface 503.

[0142] Similar to polishing, the upper front band groove 516 and rear band groove 517, as well as any other band grooves, can be slightly oversized relative to the corresponding band width to prevent the band from becoming constricted at the edges of the grooves. Given the clamshell structure of the orthopedic walker 500, the arrangement of the grooves ensures wearability but makes it easy to open the "clamshell" structural relationship between the first part 502 and the second part 504 relative to each other.

[0143] Similarly, the integral body 501 forms a groove 528 for the ankle strap (which in Figures 22A to 22C (described in more detail below), and grooves 530 extending on the periphery of the first part 502 and the second part 504, thereby properly aligning the ankle strap onto the outer surface 503 of the integral body 501. The toe strap can be connected to the front groove / toe groove 534, which in... Figure 25A and 25B The ankle strap is angled to pull the user's heel to one corner of the orthotic walker 500. The strap is located on the outside of the main body; by not weaving the strap into the interior of the main body, the orthotic walker 500 can provide more surface area for the hook-and-loop connectors.

[0144] A hook-shaped insert (not shown) can be inserted into and secured thereto in the recess 532. An exemplary hook-shaped insert is described in U.S. Patent 9,474,334, issued October 25, 2016, which is incorporated herein by reference. The hook-shaped insert reduces the need for the use of pressure-sensitive adhesive hook-shaped materials, which are easily peeled off from the body of the orthodontic walker upon repeated use.

[0145] The integral body 501 defines additional spaces or protrusions 524, 526, both internally and externally, that substantially correspond to the user's femur. Protrusions 524, 526 may protrude and form recesses of 5 to 15 mm, more preferably 10 mm, relative to adjacent internal surfaces 505 and external surfaces 503. The inner side of the integral body 501 may have a larger protrusion to accommodate a more prominent bony protrusion than the outer side, thus the protrusions on the outer and inner sides may differ. However, since the orthotic walker 500 is applicable to both the right and left legs, protrusions 524, 526 may form identical recesses (inner surfaces) or protrusions (outer surfaces) on the first portion 502 and the second portion 504. When the soft component is inserted into the internal volume, it is configured to fill any additional space formed by the protrusions, if not occupied by bony protrusions at the user's femur.

[0146] Figure 20B The outsole 536 of the orthotic walking aid 500 is shown. The outsole 536 has a longitudinal axis extending in a forward-backward direction, dividing the orthotic walking aid 500 into an outer and inner section, although the orthotic walking aid 500 is universal as it can be used with both the right and left feet. The outsole 536 has a tread pattern 540 extending relative to the longitudinal axis 538 to increase slip resistance. The inner portion 547 of the tread pattern has elongated bosses that extend around the longitudinal axis 538 and taper towards the middle portion 544 of the foot. The toe portion 542 and the heel portion 546 are flexible upwards, as... Figure 20D As shown. The outer portion 549 of the pattern defines a wider boss with a channel 560 in between.

[0147] Outsole 536 may be sandblasted to provide additional grip. The tread pattern of outsole 536, after sandblasting, is adapted to promote the expulsion of liquid at least from channel 559 outwards, enhancing slip resistance on wet surfaces. Compared to the bosses on the inner portion 547 and outer portion 549, outsole 536 defines a larger center boss 548 at its midfoot or apex. The center boss 548 is positioned to create a neutral balance point, maximizing the surface area of ​​the outsole when standing.

[0148] Figure 20C and 20DThe gap between the first portion 502 and the second portion 504 is shown. The rear gap 550 is narrower than the front gap 556, corresponding to the user's upper leg. The rear gap 550 tapers in the distal direction Di from the proximal direction Pr of the orthotic walker 500 toward the footbed 506 of the integral body 501. The distance between the first portion 502 and the second portion 504 is larger below the front gap 556 and extends to the instep of the user at the dorsal side or toe box gap 558. The toe box gap 558 is largest at the front end 554 of the footbed 506 and tapers continuously to the front gap 556. This arrangement of the toe box gap 558 makes it easier to put on and take off the orthotic walker, without needing to open the rear gap 550 and the front gap 556 excessively at the lower leg.

[0149] It has been found that, in order to avoid undue expansion of the rear gap 550, a critical gap or width 552 for the rear gap 550 has been determined, generally at the midpoint height of the upper rear groove 517. Depending on the rigidity of the polymer material forming the orthopedic walker, it may be desirable to provide means to prevent this critical gap or width 552 from expanding. For example, the critical gap may be 30-40 mm, or more preferably 35 mm.

[0150] Figures 21A to 21D Different means of maintaining the critical gap, or at least preventing it from expanding, are shown. Figure 21A A sub-belt 672 is shown, fixed above the integral body 501 between rear belt slots 517. The sub-belt 672 has a landing point 676 defining a critical gap, and a connector 674 suitable for fixing the landing point 676, thereby preventing the critical gap from widening. The rear belt 670 can extend undisturbed onto the sub-belt 672. Figure 21B A sub-strip 680 is shown with a first fastener 682 and a second fastener 684, the fasteners being spaced apart from each other to define a critical gap.

[0151] Figure 21C A band stopper 692 is defined on the sub-band 690 to prevent the width of the sub-band 690 between the first portion 502 and the second portion 504 from expanding beyond the critical gap. Figure 21D A rear belt 700 is defined, which has a main body 702 and a sub-belt 704 located below the main body 702. The sub-belt 704 is fixed to the main body 702 and can extend independently to the critical gap between the first portion 502 and the second portion 504.

[0152] By providing an orthotic walking aid according to embodiments of the present disclosure, the orthotic walking aid can combine the advantages of existing casting devices and existing orthotic braces in a walking aid that is both lightweight and has the necessary strength and rigidity to fix and support the user's limbs compared to existing devices.

[0153] Figures 22A to 22CAn ankle strap 570, which can be used in the orthotic walker 500, is shown. (See attached image.) Figure 22A As shown, the ankle strap 570 is positioned obliquely from the rear groove 528 along a proximal direction 572 away from the footbed. This oblique positioning promotes better fit and guides the user's heel and ankle toward the distal rear corner of the orthotic walker.

[0154] Figure 22B The diagram illustrates how the ankle strap 570 is oriented with inclined segments 574, 576 extending from the rear junction 575. Each inclined segment 574, 576 extends at an angle (relative to the rear junction, which is generally aligned with the vertical axis). The angle formed between the inclined segments can be between 110 and 130 degrees, preferably 120 degrees. The inclined segments 574, 576 are configured to be secured to each other. One inclined segment has a buckle 578, and the other inclined segment has a loop, the buckle 578 extending over the loop and wrapping back to be secured to the surface of the ankle strap 570 by hook-and-loop fasteners. The material of the inclined segments may include a ring-shaped material suitable for engaging with the fastening material of the buckle 578.

[0155] Figure 22C A variation of the junction 582 is shown, comprising a rear section 587 extending therefrom the inclined sections 584, 586. The rear section 587 is adapted to distribute pressure evenly at the rear of the orthotic body 501. Similar to the strap embodiment, the surface of the ankle strap 570 may have a loop surface 587 adapted to engage and secure with the hooks of the buckle 578.

[0156] Figures 23A to 23C The mounting of pump 610 to integral body 501 is described at an opening 600 suitable for receiving pump 610. Opening 600 includes a reduced or bent portion 602 adapted for mounting to a transition portion 616 of pump 610, which leads to rod 617 and valve 618. Mounting portion 614 of pump 610 extends into a first hole 606 defined at one end by the thickness of integral body 501, and into a second hole 620 for receiving a pin of pump 610.

[0157] The monolithic body 501 defines a wall 608 with a variable thickness 609, which is adapted to form a first hole 606 as needed. The variable thickness 609 and wall 608 surrounding the opening 600 are configured to be tightly secured to the pump 610, thereby allowing the spherical portion 612 of the pump 600 to function without interference from the monolithic body 501. The pump 610, along with the soft assembly, can be advantageously removed from the monolithic body 501 as needed by the clinician or user installing the orthopedic walker 500. A valve 618 can extend from the outside of the monolithic body 501 to facilitate adjustment of the air pressure in the air bladder belonging to the soft assembly.

[0158] Figures 24A to 24CA soft support assembly 630 is shown. The soft support assembly 630 includes a soft boot 632, which approximates the internal volume of the orthotic walker's main body. An airbag 634 is disposed outside the soft boot 632 and is adapted to connect via an inflation tube 650 to… Figures 23A to 23C The pump 610 shown is connected. The air bladder 634 is preferably secured to the soft boot 632 via a connector 648, which allows the air bladder 634 to displace relative to the soft boot 632 upon inflation. This is because the distal portion of the air bladder 634 can be secured to the edge of the outsole portion 642 of the soft boot, thus suspending it relative to the outsole portion 642 upon inflation, if necessary. Upon inflation, the air bladder 634 can fill the voids and gaps in the internal volume of the monolithic body 501, including the aforementioned bulge for the shinbone, to provide a reliable fit between the orthotic walker and the user's foot and shin.

[0159] Figure 24B The illustration shows a soft boot 632 having a first portion 636 and a second portion 638 for wrapping around the lower leg and secured to each other by fasteners 646 (e.g., hook-and-loop material). The first portion 636 and the second portion 638 are connected by a rear seam so that they can be hinged relative to each other around the lower leg. A heel portion 640 connects the first portion 636 and the second portion 638 to the outsole portion 642.

[0160] like Figure 23C As shown, the airbag 634 may have an integral structure, whereby the pump 610 can inflate the entire airbag 634. Although the airbag 634 may have a first (outer) portion 652 and a second (inner) portion 654, they are fluidly connected to each other via a rear portion 656 that can wrap around the user's heel in the soft boot 632.

[0161] Figure 25A and 25B This illustrates how the molded structure of the monolithic body 501 can provide features that reduce the use of hook-and-loop material, both internally and externally. In this example, the inner surface 505 defines a groove 660 around the toe groove 534 for the toe strap (not shown). One end of the toe strap can be secured to a plug 662 that mates with the groove 660 and is flush with the inner surface 505.

[0162] Figure 26 It showed something similar to Figure 1The orthotic walking aid 100, specifically the orthotic walking aid 710, has various "functional" surface textures along its outer surface 103. A significant advantage of orthotic walking aids formed from foamed polymeric materials, with the foamed polymeric material constituting the entire body of the orthotic walking aid (including the sole or pattern), is that certain areas of the orthotic walking aid can employ such functional surface textures. Unlike dual-pillar orthotic walking aids or circumferential walking aids composed of different materials, foamed polymeric materials can be molded to possess functional properties.

[0163] Figure 26 For example, the body of the orthotic walking aid 710 may have a smooth or conventional surface texture 712. Such a surface texture is neither particularly rough (as in the sole area 718, which is used for relatively greater traction control of the walking surface) nor particularly smooth (as in the polished area 716 along which the strap slides). Similarly, other contrasting areas of the orthotic walking aid 710 may have a different surface texture than the surface texture 712 for aesthetic purposes.

[0164] Surface textures may conform to mold technology texture standards or mold technology texture specifications. Area 712 may use mold technology series number MT-11050 or an equivalent number, with a texture depth (m) of 0.1143 and a draft angle of 6.5. Area 714 may have mold technology series number MT-11010, with a texture depth (m) of 0.0254 and a draft angle of 1.5. Polished area 716 may have mold technology series number MT-11030, with a texture depth (m) of 0.0508 and a draft angle of 3. The sole area 718 may have any type of surface texture that is more pronounced than the surface textures described above.

[0165] Furthermore, another advantage of molding the body with different surface textures is that logos, sizes, and other markings can be molded onto the body in predetermined locations. Similarly, these logos, sizes, and other markings can have their own surface textures to provide contrast and / or identifiable features as needed. Therefore, the ability to mold the entire body with foamed polymer materials is far more advantageous compared to known orthopedic walkers formed from perhaps more rigid materials and / or multiple assemblies.

[0166] According to embodiments of the present invention, orthotic walking aids may include additional features for supporting the user’s limbs without adding significant weight, such as struts or inserts, vents, longitudinal openings for easy donning and doffing while supine, removable outsoles, and others.

[0167] It should be understood that not all objectives or advantages can be achieved in one embodiment of this disclosure. Those skilled in the art will recognize that orthopedic walking aids may be embodied or implemented to achieve or optimize one or more of the advantages taught herein without achieving other objectives or advantages taught or suggested herein.

[0168] Those skilled in the art will recognize the interchangeability of the various disclosed features. In addition to the described variations, those skilled in the art can mix and match other known equivalents of each feature to construct and use orthotic walking aids in accordance with the principles of this disclosure. Those skilled in the art will understand that the described features can be applied to other methods and types of orthotic walking aids and prosthetic devices.

[0169] While this disclosure describes certain exemplary embodiments and examples of orthotic walking aids, those skilled in the art will understand that this disclosure extends beyond the specifically disclosed patellar support to other alternative embodiments and / or uses of this disclosure, as well as their obvious modifications and equivalents, including other types and components of orthotics, prostheses, and medical devices. The aim is that the content of this disclosure should not be limited to the embodiments disclosed above, but rather extended to other applications where the described features may be employed.

Claims

1. An orthopedic walking aid (100), comprising: The main body (101) is formed of foamed polymer material and has an integral structure. The main body (101) forms a first part (102) and a second part (104), which are divided by a mid-surface (Mp) and connected to each other by a footbed (106). The first part (102) and the second part (104) extend from the footbed (106) to form an internal volume (105) for receiving the user's feet and calves. The main body (101) consists of the first part (102), the second part (104), and the footbed (106), the footbed (106) defining an outsole (126) and including an insole (109), such that the outsole (126) and the footbed (106) form an integrally molded structure, thereby eliminating the need to attach the outsole (126) to the footbed (106), the outsole (126) defining a pattern (162) integrally formed into a continuous structure from the polymeric material, the polymeric material being a foamed thermoplastic selected from the group consisting of polyurethane, polyethylene, polypropylene and ethylene vinyl acetate; The body (101) forms a front opening (134) extending from the toe region (108) to the proximal edge (116) of the body (101), the front opening (134) defining a gap between the first edge (117) and the second edge (118) of the first portion (102) and the second portion (104), the gap having a variable width (W1) as it extends distally from the proximal edge (116). The body (101) forms a rear opening (136) extending from the proximal edge (116) of the body (101) to the footbed (106), the width (W2) of which gradually decreases as it extends distally to the end point (154). The first part (102) and the second part (104) are configured to surround or hinge to the mid-surface to expand and reduce the internal volume (105). The body forms a rough functional surface texture on the outsole and multiple regions with different functional surface textures, including a smooth functional surface texture on the first portion (102) and the second portion (104) and another smooth functional surface texture in the region (716) along which the strap slides, the rough functional surface texture having a rougher texture than the smooth functional surface texture, and the region (716) along which the strap slides is smoother than at least one smooth functional surface texture on the first portion (102) and the second portion (104).

2. The orthopedic walking aid (100) according to claim 1, characterized in that, The first part (102) and the second part (104) have the same outline so that the internal volume (105) is set for the user's right and left legs, and the footbed (106) is set for the user's right and left feet.

3. The orthopedic walking aid (100) according to claim 1, characterized in that, It also includes at least one strip (140, 142, 144) that extends along the inner surface (111) of the body on at least a portion of the outer surface (103) of the body (101) and across at least one of the front opening (134) and the rear opening (136).

4. The orthopedic walking aid (100) according to claim 1, characterized in that, The at least one strap (140, 142, 144) is fixed to the body (101) without adhesive.

5. The orthopedic walking aid (100) according to claim 1, characterized in that, The at least one strap (140, 142, 144) is configured to extend along the inner surface (111) and outer surface (103) of the body (101), while crossing the front opening (134) and the rear opening (136), thereby forming a circumferential strap system around the orthopedic walker (100).

6. The orthopedic walking aid (100) according to claim 1, characterized in that, It also includes a pump (110) fixed to the body (101), the pump (110) being installed in an opening (114) formed by a first part (102) of the body (101), a valve (112) communicating with the pump (110) and installed in another opening (113) formed by the first part (102), the pump (110) and the valve (112) extending from the outer surface (103) of the first part (102) and communicating with a gasket (107) inserted into the internal volume (105), the gasket having an air bladder that is inflated and regulated by the pump (110) and the valve (112).

7. The orthopedic walking aid (100) according to claim 1, characterized in that, The first portion (102) defines at least one first region (120, 124) surrounding at least one outer surface (103) of the body (101), the first region (120) being demarcated from an adjacent connecting region (122), the first region (120) having a different color or surface texture than the connecting region (122).

8. The orthopedic walking aid (100) according to claim 7, characterized in that, The main body (101) forms at least one vent (150, 151), which includes at least two vents arranged in a shape corresponding to the shape of the first region (120).

9. The orthopedic walking aid (100) according to claim 1, characterized in that, The footbed (106) defines a heel rolling area (128) at the rear end of the footbed (106), the heel rolling area (128) having a heel extension (129) that protrudes behind the first portion (102) and the second portion (104) and extends out of the outsole (126) and the heel rolling area (128).

10. The orthopedic walking aid (100) according to claim 9, characterized in that, The footbed (106) defines a maximum stack height (152) of heel lift (158) relative to the toe area (108), and the insole (109) increases rearward in height relative to the outsole (126).

11. The orthopedic walking aid (100) according to claim 9, characterized in that, The heel extension (129) extends backward a predetermined distance (D1) from the end point (154) at the junction of the first part (102) and the second part (104) on the footbed (106).

12. The orthopedic walking aid (100) according to claim 1, characterized in that, The first portion (102) defines a fore-arch (119) extending on the footbed (106), the fore-arch (119) having a thickness (160) along the first edge (117) which tapers toward the distal end of the footbed (106) in a first thickness direction (T1).

13. The orthopedic walking aid (100) according to claim 12, characterized in that, The thickness of the front arch (119) is greatest along the first edge (117), and the front arch (119) has added material at the front for securing the ankle; The thickness of the anterior bow (119) is greater than that of the adjacent area. The anterior bow (119) forms a generally arc-shaped portion of the main body (101) along the front side. The anterior bow (119) provides reinforcement for the fixation of the sagittal plane.

14. The orthopedic walking aid (100) according to claim 1, characterized in that, It also includes a sole insert (156) for placement within the footbed (106) and along the inner surface (111) of the insole (109). The insole (109) defines at least one channel (166) arranged along the centerline (170) of the footbed (106), the at least one channel (166) facilitating the hinge of the first portion (102) relative to the second portion (104) in a first direction (A1) and a second direction (A2) to enlarge the front opening (134) and the rear opening (136).

15. The orthopedic walking aid (100) according to claim 1, characterized in that, The lower leg portion (200) of the main body (101) is positioned further rearward due to its relative extension from the footbed portion (201); The lower leg portion (200) intersects the vertex of the outsole profile (204), thereby placing the rocking structure of the outsole profile (204) in a neutral position when standing. The insole profile (202) defines a toe lift (206) that is greater than the heel height (224).

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