Abstract: The invention provides a device for protecting ligaments in a knee joint of a user. The device includes a knee brace positionable about a knee joint of a user and a boot wearable on a foot of a user. Additionally, the device includes a flexible tether member including a first coupling element coupled to the knee brace and a second coupling element coupled to the boot. The boot and knee brace are attachable and detachable via the first and second coupling elements. The flexible tether member is adjustable in length to dispose the flexible tether member in tension at least in a portion of a maximum foot range of rotation, where the maximum foot range of rotation of the user's foot relative to the knee joint causes hyperextension of a knee ligament.

Abstract: The invention is a sleeve for application to a human extremity. The sleeve has a tubular structure with distal and proximal openings, a pre-flexed section between the openings, and distal and proximal contact zones on opposing sides of the pre-flexed section. At least the distal contact zone extends from the pre-flexed section in a conically tapering manner. A distal end zone is disposed between the distal contact zone and the distal end. The distal end zone may also be conically tapered toward the distal end, and in one embodiment has a different degree of taper that the distal contact zone.

Abstract: An orthosis having at least one adjustable joint for articulating two hinged parts of the orthosis, the joint comprises a tensor for carrying the load applied between the two hinged parts. Compression surfaces coupled to the hinged parts are constructed to apply compression forces to a compression element when the angle between the two parts widens. Preferably the compression element comprises a block of resilient material. The joint allows adjustability of the unloaded angle between the hinged parts by varying the dimensions of the block, while selecting blocks having different compressional characteristics such as modulus of elasticity allows varying the degree of resistance to widening the angle between the two hinged parts. The joint is particularly advantageous in constructing an articulating leg brace.

Abstract: A wearable device (10) to assist with the movement of limbs (50, 51) connected at a joint (52), the device (50) comprising: a linear motion generating unit (20) to generate linear motion, the unit (20) having distal end portions operatively connected to the limbs (50, 51), whereby the linear motion generated by the unit (20) causes the limbs (50, 51) to move and pivot about the joint (52); a force measuring unit (30) to measure a change of force applied to the limbs or linear motion generating unit (20); and a displacement measuring unit (40) to measure the displacement of the linear motion generating unit (20) when linear motion is generated; wherein a predetermined distance of linear motion having a predetermined velocity is generated by the linear motion generating unit (20) to assist with the movement of the limbs (50, 51) based on the change of force measured by the force measuring unit (30) or the displacement measured by the displacement measuring unit (40).

Abstract: Disclosed is a splint for orthopedics for supporting the affected part of a patient suffering from a fracture or a sprain. A splint includes a support having 500-1500 g/D of polyester non-woven fabric coated with a water-curable resin, an aluminum casing having a combination of polyethylene, aluminum and nylon (or polyester) in a pouch form to completely prevent the permeation of water so as to prevent the affected part from festering due to water, and a skin-protecting layer having polypropylene non-woven fabric and an outer surface layer having 200-400 g/D of polyester, polypropylene or nylon, which are sequentially formed on the support. Unlike conventional splints for orthopedics which include a skin contact layer, a surface layer, and a support therebetween, the splint of the invention has a structure in which the support is directly packed with an aluminum casing, and an outer surface layer and a skin-protecting layer are provided thereon.

Abstract: A potentiating support for an area of a body includes a framework having a surface for abutment with an area of a body. The framework defines a plurality of permanent openings in the surface regardless of whether the surface is in abutment with the area of the body, the openings extending completely through and being bounded by the framework. Furthermore, the framework, along its entire boundary with at least one of the openings, is elastically stretchable between a first initial state and extended states and, when expanded to an extended state, the framework stores potential energy that is released as kinetic energy upon its return to the initial state. The support also includes a fastening mechanism connected at multiple points proximate each of opposite sides of the framework for applying tension at each of the multiple points for tensioning the framework's surface in abutment with the area of the body.

Abstract: An articulated, adjustable, and lockable alignment arm, and associated extensions and accessories, which are user manipulable to model the size and shape of the fractured limb of a patient in the field. The alignment arm includes a first elongated arm segment, a second elongated arm segment, and connector means for interconnecting the first segment to the second segment through respective pivotal receivers having normal axes of rotation. The alignment arm is adjusted for proper orientation by setting it over the injury, and then locking the arm into a selected orientation which models the patient's limb around the area of the injury. Next, first and second arm extenders and protective end pads are used to expand the effective size of the alignment arm to form a custom splint structure. Lastly, the splint structure is secured to the patient's injured limb through the use of flexible cravats.

Abstract: In the assist device, the output of an actuator adjusted so that it becomes lower as a state of charge of a battery exceeds a first threshold value, and also so that it becomes lower as the state of charge of the battery becomes lower. The output of the actuator is controlled on the basis of the state of charge of the battery, so that it is possible to make the agent recognize the change in the state of charge of the battery by changing the output of the actuator, and as a result, to avoid the situation where the agent feels strange with respect to stopping the operation of the assist device following thereto.

Abstract: A knee brace, method of use thereof, and modification to an existing knee brace facilitates inducing side loads to a knee joint to align upper and lower leg portions relative to one another, thereby allowing the knee joint to function properly over its full dynamic range of motion. The knee brace, whether as manufactured or modified, acts to apply a lateral shear force to the knee joint through application of opposing lateral forces, with one lateral force being above the knee joint in one direction and the other lateral force being below the knee joint in an opposite direction. The counteracting forces act to shift femoral condyles and tibial condyles of the knee joint back into proper lateral alignment without acting directly on the patella to counteract the effects of the patella femoral syndrome.

Abstract: Embodiments are provided to reduce a foot drop condition. In an embodiment, an adjustable apparatus includes a lower leg member that can be secured to a lower leg portion of a user. The lower leg member can be adjustably and releasably coupled to a user's footwear to assist in orienting the user's foot at a desired orientation. In one embodiment, an apparatus includes a molded brace member that can be secured to a user's lower leg below the calf. The molded brace member can be sized and dimensioned to correspond to the associated measurements of the lower leg of a user afflicted with a foot drop condition. A lacing member can be coupled to the user's footwear and coupled to the molded brace member to orient the user's foot at a desired orientation.

Abstract: The invention relates to a splint for a joint connecting two parts of a human body or of an animal, such as the ankle, knee or elbow for example, comprising at least one rigid shell (1,2), globally concave, for positioning around the joint in order to support said joint. The splint comprises, on the internal face thereof, in other words the concave face, a chamber (3,4) made from a flexible plastic material which may be placed under pressure by any suitable means, and positioned on the internal face of the shell (1,2) to provide a supportive cushion between said shell (1, 2) and the joint and covering at least a part of the internal face of the shell (1,2).

Abstract: An orthotic knee brace for treating unicompartmental osteoarthritis in a knee joint is described. The brace includes a fabric sleeve mounting and a bracing member removably positioned in the sleeve to provide a therapeutic force on the joint. The force is applied by a force dosimeter assembly that draws an incrementally adjustable amount of force on cables connected to the bracing member. The amount of force applied by the force dosimeter is detected by a force sensor, and is indicated by a force indicator, each also removably attachable on the fabric sleeve mounting. The foregoing features, while exemplified in the context of a knee brace, are adaptable to any orthotic or prosthetic device where it is desired to apply an adjustable amount of force to a point on the device to provide a therapeutic benefit, and to provide a real-time indication to the user of the amount of force being applied.

Abstract: An orthotic device for supporting a jointed limb of the human body includes a first segment having a first support member that extends along a posterior portion of the limb about the joint, a first support pad secured to the first support member, and a channel slot extending along the first support member. An extension segment includes a second support member that also extends along the posterior portion of the limb and a second support pad secured to the second support member. The second support member can be adjustably coupled to the first segment by entering and engaging the channel slot.

Abstract: In one embodiment, a spinal orthosis includes a shoulder unit comprising a left shoulder portion and a right shoulder portion, a retracting device, a first connector connected to the left shoulder portion at a first end of the first connector and connected to the retracting device at a second end of the first connector, a second connector connected to the right shoulder portion at a first end of the second connector and connected to the retracting device at a second end of the second connector, and a lumbosacral belt attached to the retracting device, the lumbosacral belt being able to be secured to a body.

Abstract: A body limb cast including an elbow or knee joint supporting element having a first perimeter edge and a second opposite perimeter edge. A first splint subassembly is secured in engaging and extending fashion from the first perimeter edge, a second splint subassembly secured in engaging and extending fashion from the second perimeter edge of the joint supporting element. Cushioning elements extend from an inside of each splint subassembly and support the surfaces of a patient's limb upon assembly of the joint supporting element and splints. The splint subassemblies each further include a plurality of individual, lengthwise extending and assembleable members extending around a perimeter about the patient's limb.

Abstract: An apparatus for stabilizing movement of an ankle comprises in one embodiment a flexible body member for receiving a foot and a stiffening unit secured to selected portions of the body member such that the stiffening unit minimizes movement of upper portions of the body member with respect to lower portions of the body member, without obstructing forward and rearward movement of the upper portions of the body member with respect to the lower portions of the body member.

Abstract: The invention provides an adhesive support article for supporting a body part of a user. A single-sided stretchable adhesive tape blank is precut into a sheet having a central anchoring portion and a plurality of outwardly extending fingers. The sheet is marked with visual indicators to guide the user of the support article for applying the central anchoring portion onto a first exterior surface of the body part and for stretching the fingers before adhering them at a predetermined distance away from the central anchoring portion. The adhesive support article can also be provided in a support system with at least one corresponding body landmark article, providing further guidance for applying the support article to the desired body part.

Abstract: A splint (1), in particular for the wrist, includes a substantially rectangular main band (2), adapted to be closed in a tubular shape around the part of the body to be protected, a plurality of laces (50) having an end integral with one side of the main band, at least one gripping element (30) joined to the other end of the laces and adapted to be fastened on the upper surface (20) of the main band. The splint further includes a comb-shaped insert (6), provided with teeth (61, 62) spaced apart from each other so as to form gaps (63) wherein the laces can be inserted. A fastening strip (65) is connected to the teeth of the insert and is adapted to be fastened on the upper surface of the main band.

Abstract: A reversible wrist and thumb support is formed of a sleeve of resiliently stretchable material and includes an optionally detachable thumb support coupled to the sleeve. The thumb support includes a plurality of removable battens formed of a semi-rigid material and disposed along the posterior of a wearer's thumb. A resiliently deformable support pad is disposed on an underside of the splint and a removable stiffening semi-rigid batten that optionally includes padded surfaces, is disposed in a pocket on the top side of the support. The reversible wrist and thumb support may be worn on either the wearer's left or right hand, and the battens need not be removed when the reversible wrist and thumb support is turned inside-out.

Abstract: A quick-release mechanism for disconnecting the footwear and footplate of an orthoses from a rotation bar, 90-degree bar, or other component of an orthosis is disclosed. The mechanism allows the footwear to be fitted to a patient with the bar or other component disengaged, while also allowing the angle between the bar or other component and the footplate to be locked when the orthosis is in place in order to treat conditions such as clubfoot.

Abstract: A shirt includes two expandable and recoverable frameworks, wherein each framework is attached to a respective sleeve of the shirt and defines a plurality of openings extending completely there through to expose portions of the respective sleeve underneath the framework that otherwise would be covered by the framework. Pants also includes two expandable and recoverable frameworks, wherein each framework is attached to a respective sleeve of the pants and defines a plurality of openings extending completely there through to expose portions of the respective sleeve underneath the framework that otherwise would be covered by the framework.

Abstract: An article useful in orthopedic cast care is described as well as a method of making the article and applying it to the cast. The article is a fragranced solid or semi-solid material that is applied to an orthopedic cast by rubbing it over the outside so as to reduce or mask the unpleasant odor resulting from sweat and dirt building up inside the cast and to provide a pleasant fragrance.

Abstract: An injured musculoskeletal structure is mobilized relative to a juxtaposing support structure surface to isolate the injured musculoskeletal structure from forces transferred from adjoining musculoskeletal structures in order to alleviate pain, discomfort, inflammation, and further injury associated with such transferred forces.

Abstract: A patellofemoral brace consisting of a sleeve adapted to be worn by a user in the knee area and having a patella interior opening is provided with a glide which is adjustably carried by the sleeve and which includes a patella engaging brace pad which may be silicon filled and which is generally U-shaped having one longer leg and one shorter leg. The brace is used to influence proper positioning of the patella by the generation of a force applied to the superolateral aspect of the patella to correct misalignment of the patella.

Abstract: An orthotic device includes a rigid support member and a removable inner liner having a contact surface adjacent the support member formed of a non-skid or non-slip material. The liner may include a flap or pocket for receiving at least a portion of the support member, at least at first strap having a first end attached to a first region of the liner and a second end fastenable to a second region of the liner for securing the orthotic device to the wearer, and a patient interface surface.

Abstract: A method of donning a potentiating support includes: positioning a framework in abutment with an area of a body such that the framework spans a hinge joint, the framework defining a plurality of permanent openings extending completely through the framework and being bounded by the framework, wherein the framework, along its entire boundary with an opening, is elastically stretchable between a first initial state and extended states and, when expanded to a said extended state, the framework stores potential energy that is released as kinetic energy upon its return to the initial state such that the framework provides joint potentiation to the spanned hinge joint; applying tension proximate each of opposite sides of the framework such that the framework is expanded and the surface of the framework is tensioned in its abutment with the body; and securing the expanded framework in its forced abutment with the area of the body.

Abstract: The invention is a slide lock for adjusting static progressive splints having a housing, a glide member, and a wheel whereby a monofilament can pass through the housing and be securely held in place by using the glide to force the wheel toward the floor of the housing.

Abstract: An orthopaedic appliance includes a body, a protrusion extending inwardly from the body, positioned on the body to apply pressure on a proximal portion of the soleus muscle, and means for applying pressure to the protrusion.

Abstract: A potentiating support for an area of a body includes a framework having a surface for abutment with an area of a body. The framework defines a plurality of permanent openings in the surface regardless of whether the surface is in abutment with the area of the body, the openings extending completely through and being bounded by the framework. Furthermore, the framework, along its entire boundary with at least one of the openings, is elastically stretchable between a first initial state and extended states and, when expanded to an extended state, the framework stores potential energy that is released as kinetic energy upon its return to the initial state. The support also includes a fastening mechanism connected at multiple points proximate each of opposite sides of the framework for applying tension at each of the multiple points for tensioning the framework's surface in abutment with the area of the body.

Abstract: A corrective device to be worn on a human foot having a misalignment and positioned inside of footwear. The device having an inner shell having a first material composition and flexibility, and shaped to accommodate receiving therein and supportingly couple with the foot, and an outer shell having a second material composition and flexibility, the second material composition and flexibility being substantially the same as the first flexibility, the outer shell shaped to accommodate receiving therein the inner shell, supportingly couple with the inner shell and allow positioning into the footwear. At least a sufficient portion of a pressure is distributed by the outer shell and the inner shell over a desired area of the foot to provide an amount of correction to the misalignment while allowing the human to wear the inner shell inside of the outer shell inside of the footwear.

Abstract: An apparatus for disposition on appendage, such as an arm or leg, is capable of encircling and applying opposing forces selectively thereto. A C-shaped component receives one side of the appendage, a second C-shaped component receives the other side of the appendage, and a tensioning system draws the two components together for selective application of pressure to the appendage. Outriggers and pressure applicators may be used to apply pressure to extended areas of the appendage that otherwise would not be engaged by the C-shaped components. Side-to-side tissue compression thereby is provided for deflection of muscle forces, functional shortening of muscle length, and the maintenance of neurovascular channels. Circumferential forces may be minimized based on semirigid characteristics of the components. Elbow and shoulder braces apply side-to-side tissue compression to arms.

Abstract: This invention relates to a reinforced support device suitable for the protection of a body part against overextension. In particular, this invention relates to a device comprising at least one reinforcement spine used to protect a body part against overextension and a plate disposed below a portion of the spine used to provide additional support and comfort. The reinforcement spine can flex in direction of the body part's natural movement and is substantially inflexible in the direction of overextension. Together, the reinforcement spine and plate prevent overextension of the protected body part and disperse the incident forces by transferring those forces from the reinforcement spine to the plate.

Abstract: A potentiating support for a hinge joint includes a framework having a surface for abutment with an area of a body's hinge joint. Furthermore, the framework defines a plurality of permanent openings in said surface regardless of whether said surface is in abutment with the area of the body, said openings extending completely through said framework and being bounded by said framework; said framework, along its entire boundary with an openings, is elastically stretchable between a first initial state and extended states and, when expanded to a said extended state, said framework stores potential energy that is released as kinetic energy upon its return to said initial state; and a particular said opening of said framework comprises an alignment opening that is dimensioned to receive therein a joint protuberance of the hinge joint, said alignment opening serving to maintain the support in a proper orientation when the support is worn.

Abstract: A method of donning a support includes: positioning a garment proximate an area of a body; positioning a framework in abutment with the area of the body, the framework defining a plurality of permanent openings therein regardless of whether the support is donned; applying tension at points of the framework such that the framework is expanded and the framework is tensioned in its abutment with the area of the body, said step of applying tension being performed by pulling on one or more fastening components that are attached at one or more points to said framework; and affixing each of the fastening components to the garment while applying tension to the framework to secure the expanded framework in its forced abutment with the area of the body.

Abstract: An elastic material is disclosed, including a breathable, closed cell foam panel. The elastic panel (310) includes recessed portions or channels (312) on at least one side, and apertures (314) therethrough, the apertures disposed in the channels (312). The channels may intersect to produce a network of flow paths for heat and sweat transfer, or may comprise nonintersecting channels that establish a directional flow path. In another embodiment, the channels define a plurality of protrusions, such as circular protrusions (332) or rectangular protrusions (342). The elastic panel is preferably formed by compressing a sheet of closed cell foam between a pair of oppositely disposed, heated plates (410, 420), wherein one of the plates includes a plurality of pins (422), and the other of the plates includes apertures (414) adapted to receive the pins. One or both of the plates includes protrusions (412) for forming the recessed portions or channels.

Abstract: A potentiating support for an area of a body includes: a framework having a surface for abutment with an area of a body including a hinge joint, said framework defining a plurality of permanent openings in said surface; and two strut members each attached to said framework such that each said strut member spans the hinge joint when said framework is disposed in abutment with the area of the body, said strut members providing a measure of rigidity to said framework in the direction of their respective lengths, each respective said strut member including an intermediate portion thereof spanning the hinge joint that is expandable and recoverable between a first initial state and extended states wherein, when expanded to a said extended state during flexing of the hinge joint, said respective strut member stores potential energy that is released as kinetic energy upon its return to said initial state.

Abstract: Clothing designed to fit a body and span a hinge joint of the body includes an expandable and recoverable framework attached directly to a portion of the clothing designed to span the hinge joint for abutment with and support of an area of the body including the hinge joint when the clothing is worn on the body. The framework includes a surface for abutment with the area of the body including the hinge joint, and the framework defines a plurality of openings in the surface extending completely through the framework, the openings being bounded by the framework and the framework, along its entire boundary with at least some of the openings, being elastically stretchable between a first initial state and extended states, the framework when expanded to a said extended state storing potential energy that is released as kinetic energy upon its return to the initial state.

Abstract: A support for an area of a body includes: a framework having a surface for abutment with an area of a body, wherein said framework defines a plurality of permanent openings in said surface regardless of whether said surface is in abutment with the area of the body; a garment configured for wearing proximate the area of the body; and a fastening mechanism adapted to removably fasten to said garment for securing said surface of said framework in abutment with the area of the body, wherein said fastening mechanism is connected to and applies tension proximate opposite sides of said framework when fastened to said garment such that said framework is expanded and said surface of said framework is tensioned in its abutment with the area of the body.

Abstract: A support for an area of a body including a hinge joint includes: a framework having a surface for abutment with an area of a body including a hinge joint, said framework defining a permanent opening in said surface regardless of whether said surface is in abutment with the area of the body, said permanent opening extending completely through said framework; and a member removable from said framework that is positionable proximate to said permanent opening of said framework for disposition between said permanent opening of said framework and the area of the body to be supported, said removable member being contoured to receive therein a joint protuberance of the hinge joint.

Abstract: A polycentric hinge is positioned on one side of the patient's knee and a unicentric hinge is positioned on a second side of the knee. A lower portion of the polycentric and unicentric hinge is attached to a knee cuff about a lower leg of the patient. An upper arm of the polycentric and unicentric hinge is attached to a thigh cuff, the upper arm of the unicentric hinge being longer than the upper arm of the polycentric hinge. The upper arm of the unicentric hinge has a 15° to 20° set back angle when the patient's leg is straight. The polycentric hinge has a slotted central plate with star gears engaging a back portion and multiple movable blocks mounted in screw holes on a front edge of the slotted plate supporting an elastic band having a fulcrum point on the polycentric hinge at a lower and upper end.

Abstract: The present invention is directed to a chafe useable on an orthopedic walker and including members which define a slot through which a strap, such as the strap of a walker, may pass. The chafe also includes a stud on the member, and a connection element connecting the stud and members defining the slot.

Abstract: A hip orthosis, provided with a trunk engaging part and an upper leg engaging part which are intercoupled by coupling means, wherein the coupling comprise at least one resilient element for operatively preventing an adducting movement of an upper leg engaged by the upper leg engaging part by means of spring force.

Abstract: A knee brace divided into anterior and posterior sides by a frontal plane, and having first and second sides divided by a median plane. The knee brace having a frame, and at least one cross strap that is connected to the frame and extends across over at least a portion of the first and second brace sides. The at least one cross strap is arranged obliquely relative to the median plane. The brace also includes a tightening mechanism that is connected to the frame and is configured to incrementally tension the at least one cross strap at predefined settings and to release tension on the at least one cross strap. A first end of the at least one cross strap engages the tightening mechanism. A dosage meter is connected to the frame, and includes an indication feature representing tension settings of the at least one cross strap.

Abstract: This invention is directed toward a splint, where there is a layer of material, such as fabric-laminated foam neoprene, that encompasses a part of the body intended to be immobilized, supported, or protected, and permanently secured to this layer of material is a low temperature thermoplastic. This thermoplastic is rigid when cool, and malleable when heated. The temperature at which the thermoplastic is malleable is low enough so that the splint can be molded directly on the body. The thermoplastic can be heated, molded, and cooled together with the layer of material. The combined elements of the low temperature thermoplastic with the layer of material create a removable remoldable splint that can be immersed in water without degrading the integrity of the splint.

Abstract: A flexible fluid filled actuator has an elastic bladder and a guide surrounding the bladder. The guide has asymmetrical elastic properties. When the bladder is inflated the guide directs the bladder to expand preferentially in a selected direction or directions. The actuator has utility in the traction and/or unloading of portions of the body. A fluid-filled traction apparatus is disclosed which has particular advantages in spinal unloading.

Abstract: An apparatus and method for treating plantar fasciitis are disclosed. In one embodiment of the apparatus, a dorsal splint device includes an upper portion and a foot portion which are pivotally connected to one another. A strap allows attachment of the upper portion to a suitable portion of the leg, such as the calf. The foot portion is typically attached to the foot by use of a strap. A tensioning element, such as a shock cord, urges the foot portion and the upper portion toward one another. The tension provided by the tensioning element may be adjusted by adjusting the length of the tensioning element. In the method of the present invention, the tensioning element may be first unhooked to allow pivoting of the foot portion with respect to the upper portion so that the device may be attached to a user. The upper portion is attached to the calf, while the lower portion is attached to the foot.

Abstract: A novel ankle gapping device includes a lower leg engaging apparatus, a foot engaging apparatus, and a biasing member disposed between the lower leg engaging apparatus and the foot engaging apparatus. The leg engaging apparatus is adapted to securely engage a user's leg such that the leg engaging apparatus will remain stationary when the biasing member exerts an upward force thereon. The foot engaging apparatus is contoured to fit the user's foot. In a particular embodiment, the biasing member is a pneumatic biasing member, such as an inflatable tube that is actuated by a pump. As the pump provides compressed air (or some other fluid) to the biasing member, the pressure inside the biasing member increases, causing an increase in the volume of the biasing member. This pressure and volume increase exerts an upward force via the leg engaging apparatus to the lower leg, and a downward force via the foot engaging apparatus to the foot.

Abstract: An apparatus for applying pressure to a body part comprising: a first sleeve comprising a multiplicity of pressure-applying resilient protrusions configured to apply a therapeutic pressure to a surface of the body part of a patient; and a second sleeve slidably received over the first sleeve, the second sleeve configured to apply a pressure to the first sleeve, thereby increasing the therapeutic pressure applied by the first sleeve on the limb.

Abstract: An orthotic frame has proximal and distal frame members joined by a knee joint, and a foot support joined by an ankle joint to a distal end of the distal frame. A knee actuator connected between the proximal and distal frame members has a selective stiffness allowing selection of a relatively rigid stiffness during stance and a relatively flexible stiffness during swing. The stiffness of the knee actuator is selected according to the gait cycle, either mechanically according to dorsal flexion of the ankle joint or electronically according to gait cycle phases recognized based on read sensor data. An ambulatory unit gathers data from sensors located on the orthotic frame. Sensor data may be provided to a base unit for diagnostic and biomechanical evaluation, or evaluated by the ambulatory unit to control active components of the orthotic frame according to the recognized gait cycle phases for functional compensation.

Abstract: The invention provides a device for protecting ligaments in a knee joint of a user. The device includes a knee brace positionable about a knee joint of a user and a boot wearable on a foot of a user. Additionally, the device includes a flexible tether member including a first coupling element coupled to the knee brace and a second coupling element coupled to the boot. The boot and knee brace are attachable and detachable via the first and second coupling elements. The flexible tether member is adjustable in length to dispose the flexible tether member in tension at least in a portion of a maximum foot range of rotation, where the maximum foot range of rotation of the user's foot relative to the knee joint causes hyperextension of a knee ligament.