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WO2002065942A2 - Orthese pedi-jambiere permettant d'assister le couple des muscles de flexion plantaire - Google Patents

Orthese pedi-jambiere permettant d'assister le couple des muscles de flexion plantaire Download PDF

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Publication number
WO2002065942A2
WO2002065942A2 PCT/US2002/004298 US0204298W WO02065942A2 WO 2002065942 A2 WO2002065942 A2 WO 2002065942A2 US 0204298 W US0204298 W US 0204298W WO 02065942 A2 WO02065942 A2 WO 02065942A2
Authority
WO
WIPO (PCT)
Prior art keywords
orthotic
foot
ankle
posterior
bias
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2002/004298
Other languages
English (en)
Other versions
WO2002065942A3 (fr
Inventor
Elizabeth T. Hsiao-Wecksler
Casey Kerrigan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boston University
Spaulding Rehabilitation Hospital Corp
Original Assignee
Boston University
Spaulding Rehabilitation Hospital Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Boston University, Spaulding Rehabilitation Hospital Corp filed Critical Boston University
Priority to AU2002245432A priority Critical patent/AU2002245432A1/en
Publication of WO2002065942A2 publication Critical patent/WO2002065942A2/fr
Anticipated expiration legal-status Critical
Publication of WO2002065942A3 publication Critical patent/WO2002065942A3/fr
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices ; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. long-term immobilising or pressure directing devices for treating broken or deformed bones such as splints, casts or braces
    • A61F5/0102—Orthopaedic devices, e.g. long-term immobilising or pressure directing devices for treating broken or deformed bones such as splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
    • A61F5/0104—Orthopaedic devices, e.g. long-term immobilising or pressure directing devices for treating broken or deformed bones such as splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation
    • A61F5/0111—Orthopaedic devices, e.g. long-term immobilising or pressure directing devices for treating broken or deformed bones such as splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation for the feet or ankles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices ; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. long-term immobilising or pressure directing devices for treating broken or deformed bones such as splints, casts or braces
    • A61F5/0102—Orthopaedic devices, e.g. long-term immobilising or pressure directing devices for treating broken or deformed bones such as splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
    • A61F5/0127—Orthopaedic devices, e.g. long-term immobilising or pressure directing devices for treating broken or deformed bones such as splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations for the feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices ; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. long-term immobilising or pressure directing devices for treating broken or deformed bones such as splints, casts or braces
    • A61F5/0102—Orthopaedic devices, e.g. long-term immobilising or pressure directing devices for treating broken or deformed bones such as splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
    • A61F2005/0132—Additional features of the articulation
    • A61F2005/0179—Additional features of the articulation with spring means

Definitions

  • the present invention relates to an ankle-foot orthosis (AFO) for limiting dorsi- flexion of the foot, and more specifically, to an ankle-foot orthosis which provides external torque that mimics the torque generated by the plantarflexor muscles of the leg.
  • AFO ankle-foot orthosis
  • gait is used to describe walking and running, and the term “normal gait” is used to present those parameters that have been generalized across gender, age, genetic predisposition and anthropometric variables.
  • the stance phase is the period of time during which the foot is in contact with the ground.
  • the swing phase is the period of time in which the foot is off the ground and swinging forward.
  • the ankle is plantarflexed and begins dorsiflexing in midswing and terminal swing.
  • AFOs Ankle-foot orthoses
  • AFOs are rehabilitation devices designed to support, align and improve the functions of the ankle and the foot.
  • AFOs are commonly used to maintain proper foot alignment for patients suffering from foot slap or steppage gait, or spastic paretic stiff-legged gait, which is characterized by reduced knee flexion during swing.
  • the most common type of AFO used for correcting abnormal gait is the rigid solid AFO, which is typically made of plastic and has an L-shaped configuration.
  • a posterior support extends from a point below the knee to the heel of the patient, and includes a contoured lower element which conforms to the plantar surface of the foot.
  • the rigid AFO prevents plantarflexion, which, in theory, prevents foot slap at initial contact during the stance phase and allows for clearance during the swing phase. This rigid design also prevents dorsiflexion. However, by not allowing movement, it does not effectively mimic the ankle plantarflexors which provide resistance while lengthening (eccentrically contract) from mid to terminal stance. While the rigid solid AFO can improve the ankle torque, it does not allow dorsiflexion, which impedes the ability to progress the body forward during these phases of walking.
  • AFOs are also available in an articulating construction, wherein the foot base portion is a separate member hingedly connected to the posterior leg support.
  • the hinge is typically biased to limit plantarflexion movement of the foot, while allowing for unrestricted dorsiflexion.
  • Articulating AFOs typically mimic the dorsiflexor muscles which control plantarflexion.
  • the present invention is directed to an ankle-foot orthosis (AFO) which provides external torque that mimics the torque typically produced by the plantarflexor muscles of the leg when the ankle is dorsiflexed.
  • AFO ankle-foot orthosis
  • the torque generated by the AFO assists persons with weak plantarflexor strength due to, for example, neurologic weakness.
  • the present invention may help to improve the walking ability of patients who use the AFO.
  • An ankle-foot orthosis (AFO) is provided for generating external plantarflexor torque.
  • the AFO has a first orthotic member which is removably attachable to a posterior portion of a wearer's leg adjacent the calf, and a second orthotic member which covers a portion of the bottom of the wearer's foot and extends in a transverse plane of the wearer's foot.
  • the first and second orthotic members are pivotably joined to one another.
  • the AFO also includes at least one bias member having a first end mated to the first orthotic member and a second end mated to the second orthotic member.
  • the bias member according to the present invention can be a material capable of providing resistance to stretching, such as a spring, rubber cord, elastic strap, or a similar device.
  • the bias member is configured to provide resistance against dorsiflexion of the foot.
  • the first and second orthotic members can be hingedly connected along an axis of rotation of the wearer's foot.
  • the first and/or second orthotic member can also include straps that enable the orthotic members to be attached to the wearer's leg or foot.
  • the bias member forms an inverted Y-shape having first and second lower ends. The first lower end is attached to the posterior-medial side of the second orthotic member, and the second lower end is attached to the posterior-lateral side of the second orthotic member.
  • the bias member can be made from two cords partially joined in a sleeve to form an inverted Y-shape.
  • the AFO includes first and second bias members, each bias member having first and second ends.
  • the first end of the first bias member is mated to the posterior-medial side of the first orthotic member, and the second end of the first bias member is mated to the posterior-medial side of the second orthotic member.
  • the first end of the second bias member is mated to the posterior-lateral side of the first orthotic member, and the second end of the second bias member is mated to the posterior-lateral side of the second orthotic member.
  • FIG. 1 illustrates the prior art anatomical planes and motions of a foot
  • FIG. 2 is a lateral side view of a right ankle-foot orthosis having a bias member according to one embodiment of the present invention
  • FIG. 3 is a rear view of a left ankle-foot orthosis having a bias member according to another embodiment of the invention.
  • FIG. 4 is a medial side view of the ankle-foot orthosis of FIG. 3;
  • FIG. 5 is a medial side view of a left ankle-foot orthosis according to yet another embodiment of the present invention
  • FIG. 6 is a medial side view of a left ankle-foot orthosis according to another embodiment of the present invention.
  • FIG. 7A is a lateral side view of a right ankle-foot orthosis according to another embodiment of the present invention.
  • FIG. 7B is a lateral side view of the right ankle-foot orthosis of FIG. 7A, illustrated in use with a foot in a dorsiflexed condition;
  • FIG. 8 A is a lateral side view of a right ankle-foot orthosis according to another embodiment of the present invention.
  • FIG. 8B is a lateral side view of the right ankle-foot orthosis of FIG. 8 A, illustrated in use with a foot in a dorsiflexed condition;
  • FIG. 9A is a lateral side view of a right ankle-foot orthosis according to another embodiment of the present invention.
  • FIG. 9B is a lateral side view of the right ankle-foot orthosis of FIG. 9 A, illustrated in use with a foot in a dorsiflexed condition;
  • FIG. 10 is a lateral side view of the right ankle-foot orthosis of FIG. 3, illustrated in use with a foot in a dorsiflexed condition;
  • FIG. 11 is a lateral side view of a right ankle-foot orthosis according to another embodiment of the present invention.
  • the present invention relates an ankle-foot orthosis (AFO) which provides an external source of resistive plantarflexor torque that mimics the torque typically produced by the plantarflexor muscles of the leg when the ankle is dorsiflexed.
  • AFO ankle-foot orthosis
  • dorsiflexion involves upward movement of the front of the foot in the sagittal plane toward the tibia.
  • Figure 1 is a prior art illustration of the various anatomical planes and motions of the foot. Control of the plantarflexor muscles during dorsiflexion, and particularly during the mid to terminal stance of gait, is critical to maintaining forward propulsion and hence walking in general.
  • the AFO of the present invention is particularly useful for assisting persons with weak plantarflexor strength due to neurological weakness caused by, for example, stroke, cerebral palsy or spinal cord injuries.
  • the AFO of the present invention may help to improve the walking ability of patients who use the AFO.
  • the AFO 10 includes first and second orthotic members 12, 14, and at least one bias member 16, 18, 22, 32, 34, 68, 70, 80, 90 mated to the first and second orthotic members, as shown in Figures 2-6.
  • the first orthotic member 12 is pivotably mated to the second orthotic member 14 and removably attaches to a posterior portion of a wearer's leg adjacent the calf.
  • a strap 28 can be provided on the first orthotic member 12 to removably attach the first orthotic member 12 to a posterior portion of the wearer's leg adjacent the calf.
  • the second orthotic member 14 can also include a strap 52 ( Figure 10) to secure the orthotic member 14 to the wearer's foot.
  • the first and second orthotic members 12, 14 can be formed from a rigid or semi-rigid shell, which may be a plastic, a light weight metal or metal alloy, or a composite material. Each orthotic member is preferably lightweight and shapeable to allow the members to conform to the wearer's leg and foot. In one embodiment, a polymer such as polypropylene, polyethylene, or the like, can be used to form the shell.
  • the first and second orthotic members can be preformed in standard sizes corresponding to what might be ordinary foot and leg sizes, or can each be cast from an exact plaster replica of the patient's foot and leg.
  • the first orthotic member 12 wraps around the posterior portion of the wearer's calf and extends downward from the mid- or lower-calf to the ankle.
  • the orthotic member 12 is sufficiently rigid along an axially extending middle portion 44 ( Figure 3) to maintain the first orthotic member 12 in an upright position adjacent the posterior portion of the wearer's calf.
  • the outer sides 46, 48 ( Figure 3) of the orthotic member 12 can be more resilient, but should be sufficiently pliable to allow the orthotic member 12 to be drawn into conforming engagement with the posterior calf portion of the wearer's leg.
  • the first orthotic member 12 can include a strap 28 to removably secure the first orthotic member 12 in a desired position adjacent to the calf portion of the wearer's leg.
  • One end of the strap 28 can be secured to one side 48 of the first orthotic member 12 and can extend across the anterior portion of the wearer's leg.
  • the free end of the strap is removably secured to the other side 46 of the first orthotic member 12, and is tightened to hold the first orthotic member 12 snuggly in position against the wearer's leg.
  • a buckle, snap, hook and loop fastener e.g., VELCRO
  • a similar closure device can be used to secure the free end of the strap 28 to the first orthotic member 12.
  • the strap 28 can be manufactured from a variety of suitable materials, including those that are elastic, inelastic, or semi-elastic.
  • the second orthotic member 14 is a rigid foot-supporting shell which conforms closely to the shape of a portion of the foot and provides a light weight means of support for the bottom, sides and rear of the wearer's foot.
  • the second orthotic member extends beneath the bottom of the wearer's foot and projects upwardly to intimately wrap around the heel and ankle areas of the wearer's foot.
  • the lower portion of the second orthotic member 14 extends underneath and around the wearer's heel, and can extend forward underneath the wearer's foot toward the forefoot.
  • the second orthotic member 14 can optionally include a strap 52, as shown in Figure 10, for securing the second orthotic member 14 to the wearer's foot.
  • the strap 52 is similar in construction and purpose to strap 28.
  • the first and second orthotic members 12, 14 are joined together by articulating joints 36 on the medial and lateral side of the AFO 10, preferably at a location that corresponds to the position of the wearer's ankle.
  • the articulating joints can be made from plastic or metal designs and may be mounted on each side of the AFO 10 along a common axis through the axis of rotation of the ankle joint to pivotally engage the first and second orthotic members 12, 14.
  • the axis delineated by the articulating joints 36 allows the first and second orthotic members to rotate with respect to one another, and with the ankle, during dorsiflexion and plantarflexion.
  • Any joint currently manufactured for AFOs can be used, including, for example, the Tamarack Flexure Joint, the Chamber Axis Hinge Kit, and the Oklahoma Ankle Joint, all manufactured by Becker Orthopedic (Troy, Michigan).
  • first and second orthotic members 12, 14 are oriented such that a gap is provided between the lower portion 38 of the first orthotic member 12 and the upper edge 42 of the upward projection of the second orthotic member 14.
  • first and second orthotic members can be constructed to prevent plantarflexion of the foot beyond a certain point.
  • a stop can alternatively or additionally provide for limited plantarflexion.
  • AFO 10 of the present invention can be designed to be worn above or under a stocking, and/or with normal footwear.
  • the bias member 16, 18, 22, 32, 34, 68, 70, 80, 90 of the present invention can be made from any material that is extensible and resilient.
  • the bias member 16, 18, 22, 32, 34, 68, 70, 80, 90 is made from a material that, while extensible, resists extension to some degree when tension is applied, and which returns to its natural dimensions and/or shape when tension is removed.
  • Suitable materials and structures from which the bias member 16, 18, 22, 32, 34, 68, 70, 80, 90 can be made include elasticized straps or cords, springs, pneumatic pistons, electro-mechanical structures, metallic structures, and composite structures which generate a resistive force during dorsiflexion of the foot.
  • the tension of the bias member can be selected or adjusted according to the particular patient's needs. When the foot and ankle are in the neutral position (90°), the bias member may be set so as to not generate a resistive force.
  • FIG 2 illustrates one embodiment of an AFO 10 having first and second orthotic members 12, 14 pivotably joined, and two bias members 16, 18 mated to the first and second orthotic members.
  • the first orthotic member 12 is removably attached to a portion of a calf with a strap 28.
  • the bias members 16, 18 are mated to the posterior-medial and posterior-lateral portions of the first and second orthotic members 12, 14.
  • the bias members 16, 18 are elastic cords.
  • each bias member 16, 18 respectively has an origin point 55, 56 at the posterior-lateral and posterior-medial portions of the first orthotic member 12.
  • the origin point 55, 56 is preferably positioned below the mid-calf.
  • the termination point medial portion of the second orthotic member 14.
  • the termination point is preferably disposed below and posterior to the pivot 36.
  • the cords 16, 18 can be directly attached to the orthotic members 12, 14, or secured to pegs 54 disposed on the first and second orthotic members 12, 14.
  • the cords can be made from any elastic material, such as, for example, natural rubber.
  • FIGS 3 and 4 illustrate another embodiment of a bias member 22 that is attached between the first and second orthotic members 12, 14.
  • the bias member 22 has an inverted Y-shape having a top end 23 at an origin point 62, and first and second lower ends 24, 26, each of which has a termination point 57, 58.
  • the bias member 22 can be a single elastic cord split along a portion of the length of the cord, or two cords joined in a sleeve extending along a portion of the length of the cords.
  • the origin point 62 of the top end 23 of bias member 22 is positioned on the posterior side of the first orthotic member 12, preferably at a location along middle portion 44 that is central to the width of the orthotic member 12.
  • the origin point is preferably below the mid-calf region.
  • the first lower end 24 of the bias member 22 is attached to the posterior-medial side of the second orthotic member, and the second lower end 26 is attached to the posterior- lateral side of the second orthotic member.
  • the termination point 57, 58 of the first and second lower ends 24, 26 is preferably at a location that corresponds to the termination point discussed above with respect to bias members 16, 18.
  • the first and second orthotic members can contain pegs or hooks 54 molded, screwed, or riveted into the plastic shell, or the bias member 22 can be attached to the first and second orthotic members with rivets, screws, or cement.
  • FIG 5 illustrates a further embodiment of an AFO 10 having two bias members 32, 34 attached to the medial and lateral posterior portions of the first and second orthotic members 12, 14.
  • Bias members 32, 34 are similar in placement and operation to bias members 16, 18 discussed with respect to Figure 2.
  • the bias members 32, 34 are springs encased in a protective material such as a plastic sleeve. The springs will provide tension when the ankle joint is dorsiflexed beyond the neutral position (90°).
  • another AFO 10 is shown having a single bias member 68 attached along the posterior portion of the AFO.
  • Bias member 68 is attached to the posterior portion of the first orthotic member 12 just below the calf at origin point 62, and extends directly downward to the posterior portion of the second orthotic member 14 and attaches at termination point 66.
  • An articulating joint 36 mates the first and second orthotic members 12, 14.
  • FIGs 7, 8, and 9 illustrate alternative embodiments of the bias members according to the present invention.
  • Bias members 70, 80, 90 are shown attached to the posterior portion of the first orthotic member 12 at origin point 62, and extending directly downward to the posterior portion of the second orthotic member 14 to termination point 66. While Figures 7, 8, and 9 illustrate a single bias member attached to the posterior portion of the AFO 10, two bias members can be attached to the medial and lateral posterior portions of the first and second orthotic members 12, 14.
  • bias member 70 is shown having an upper member 72 and a lower member 74.
  • the upper member 72 is slidably mated with the lower member 74.
  • the two members 72, 74 can be mated together with strap 78, band, or similar device disposed around both members 72, 74.
  • the strap 78 provides resistance against slidable movement of the upper and lower members 72, 74, thereby providing resistance during dorsiflexion of the foot (shown in Figure 7B).
  • FIGs 8A and 8B illustrate a bias member 80 attached to the AFO 10 at origin point 62 and termination point 66.
  • the bias member 80 has a leaf-spring structure in the neutral position, as shown in Figure 8A.
  • the bias member During dorsiflexion, as shown in Figure 8B, the bias member essentially forms a straight line, thereby generating tension and providing resistance against dorsiflexion.
  • bias member 90 is shown mated to the AFO 10.
  • the bias member 90 has an accordion-like structure, as shown in Figure 9A.
  • the bias member 90 is tensioned during dorsiflexion, as shown in Figure 9B, to lengthen the accordion-like structure.
  • the resistance against lengthening of the bias member 90 provides resistance to dorsiflexion of the foot.
  • the bias members of the present invention provide an external, resistive plantarflexor torque that is generated during dorsiflexion.
  • the bias member 22 provides a tension t which mimics the torque generated by the plantarflexor muscles.
  • the resistance of the bias member(s) can be altered by changing the bias member(s) to provide either more or less resistance.
  • the torque generated by the bias member 22 is intended to assist persons with weak plantarflexor strength, thereby improving walking ability.
  • Figure 11 illustrates another embodiment of an AFO 110 according to the present invention having a bias member 116.
  • the bias member 112 can be a spring or similar device for providing a compressive force.
  • the bias member 112 disposed within a slot 118 formed in the articulating joint 36.
  • the slot 118 is positioned on the anterior-lateral side of the first and second orthotic members 12, 14. In use, a resistive torque is generated by the bias member 112 during dorsiflexion of the foot.
  • bias member 112 positioned on the anterior-lateral side of the first and second orthotic members 12, 14, the bias member 112 can be positioned on the anterior-medial side of the first and second orthotic members 12, 14, or a bias member can be provided on both the anterior-medial side and the anterior- lateral side.
  • bias member of the present invention is illustrated with an articulating AFO, a person having ordinary skill in the art will readily appreciate that a variety of different orthotic support members having additional features can be use in conjunction with the bias member.

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Rehabilitation Tools (AREA)

Abstract

L'invention concerne une orthèse pédi-jambière (AFO) fournissant un couple externe imitant le couple généralement produit par les muscles de flexion plantaire de la jambe quand la cheville est soumise à une flexion dorsale du pied. Le couple produit par la AFO permet d'aider des personnes ayant une faible force de flexion plantaire due, par exemple, à une faiblesse neurologique. Le dispositif selon l'invention permet de favoriser l'amélioration des capacités de marche des patients utilisant la AFO. Dans un mode de réalisation, la AFO présente un premier élément orthostatique conçu pour être fixé de manière amovible à une partie du mollet et un second élément orthostatique conçu pour être fixé amovible à une partie du pied de l'utilisateur. Le second élément orthostatique peut être relié pivotant au premier élément orthostatique. La AFO comprend également au moins un élément de distorsion comprenant des première et seconde extrémités. La première extrémité est reliée au premier élément orthostatique et la second extrémité est reliée au second élément orthostatique. L'élément de distorsion est conçu de manière à résister à une flexion dorsale du pied.
PCT/US2002/004298 2001-02-15 2002-02-14 Orthese pedi-jambiere permettant d'assister le couple des muscles de flexion plantaire Ceased WO2002065942A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002245432A AU2002245432A1 (en) 2001-02-15 2002-02-14 Ankle-foot orthosis with plantarflexor torque assistance

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26912101P 2001-02-15 2001-02-15
US60/269,121 2001-02-15

Publications (2)

Publication Number Publication Date
WO2002065942A2 true WO2002065942A2 (fr) 2002-08-29
WO2002065942A3 WO2002065942A3 (fr) 2003-10-30

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006073374A1 (fr) * 2005-01-07 2006-07-13 Institut Rs Za Rehabilitacijo Orthose exomusculaire
US7335177B2 (en) 2004-04-23 2008-02-26 Ronan Reynolds Ankle-foot orthosis
WO2011128588A1 (fr) 2010-04-15 2011-10-20 Ormihl Danet Orthèse dynamique de type releveur de pied
WO2011138453A3 (fr) * 2010-05-07 2012-03-22 Gottinger Handelshaus Ohg Orthèse
US20160278960A1 (en) * 2015-03-26 2016-09-29 Nathan Joseph Sutti Limiting dynamic cord for an orthosis or prosthesis or walker
WO2019161416A1 (fr) * 2018-02-16 2019-08-22 Orthotic Care Services, LLP Orthèse pédi-jambière à contrôle d'extension
WO2020089642A1 (fr) * 2018-11-02 2020-05-07 University Of Derby Orthèse d'articulation ayant une charnière élastiquement déformable
WO2020163720A1 (fr) * 2019-02-08 2020-08-13 Gait Dynamics LLC Systèmes et procédés pour soutenir une jambe
CN113133903A (zh) * 2021-05-28 2021-07-20 上海理工大学 一种踝足助行装置
CN113924069A (zh) * 2019-04-08 2022-01-11 Lb2科技有限公司 下肢矫形器
US11337845B2 (en) * 2015-03-26 2022-05-24 Kinematic Improvements Llc Dynamic cushion heel-ankle-foot orthosis
DE102021112989A1 (de) 2021-05-19 2022-11-24 Otto Bock Healthcare Products Gmbh Orthese

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Publication number Priority date Publication date Assignee Title
US4556054A (en) * 1983-11-21 1985-12-03 Paulseth Stephen G Ankle orthosis
DE3720767A1 (de) * 1986-06-25 1988-01-07 Lothar Melches Orthopaedische vorrichtung
JP3500551B2 (ja) * 1995-10-12 2004-02-23 澄子 山本 短下肢装具

Cited By (18)

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US7335177B2 (en) 2004-04-23 2008-02-26 Ronan Reynolds Ankle-foot orthosis
WO2006073374A1 (fr) * 2005-01-07 2006-07-13 Institut Rs Za Rehabilitacijo Orthose exomusculaire
WO2011128588A1 (fr) 2010-04-15 2011-10-20 Ormihl Danet Orthèse dynamique de type releveur de pied
WO2011138453A3 (fr) * 2010-05-07 2012-03-22 Gottinger Handelshaus Ohg Orthèse
US11337845B2 (en) * 2015-03-26 2022-05-24 Kinematic Improvements Llc Dynamic cushion heel-ankle-foot orthosis
US20160278960A1 (en) * 2015-03-26 2016-09-29 Nathan Joseph Sutti Limiting dynamic cord for an orthosis or prosthesis or walker
US20160278961A1 (en) * 2015-03-26 2016-09-29 Nathan Joseph Sutti Dynamic cushion heel-ankle-foot orthosis
US10123897B2 (en) * 2015-03-26 2018-11-13 Kinematic Improvements, LLC Dynamic cushion heel-ankle-foot orthosis
US10278853B2 (en) * 2015-03-26 2019-05-07 Kinematic Improvements Llc Limiting dynamic cord for an orthosis or prosthesis or walker
WO2019161416A1 (fr) * 2018-02-16 2019-08-22 Orthotic Care Services, LLP Orthèse pédi-jambière à contrôle d'extension
US20200383815A1 (en) * 2018-02-16 2020-12-10 Orthotic Care Services, LLP Ankle-foot orthosis with extension control
US11963897B2 (en) 2018-02-16 2024-04-23 Orthotic Care Services, LLP Extension control member for use with an ankle-foot orthosis
WO2020089642A1 (fr) * 2018-11-02 2020-05-07 University Of Derby Orthèse d'articulation ayant une charnière élastiquement déformable
US12059366B2 (en) 2018-11-02 2024-08-13 University Of Derby Joint orthosis with resiliently deformable hinge
WO2020163720A1 (fr) * 2019-02-08 2020-08-13 Gait Dynamics LLC Systèmes et procédés pour soutenir une jambe
CN113924069A (zh) * 2019-04-08 2022-01-11 Lb2科技有限公司 下肢矫形器
DE102021112989A1 (de) 2021-05-19 2022-11-24 Otto Bock Healthcare Products Gmbh Orthese
CN113133903A (zh) * 2021-05-28 2021-07-20 上海理工大学 一种踝足助行装置

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