Durham Jones & Pinegar Intellectual Property Law Group
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초록▼
A knee orthosis that includes a medial tracking member that operatively fits along a lateral side of, and provides medial traction to, a patella having patellofemoral articular tissue; an inward tracking member that operatively fits over, and provides inward pressure against, the patella; wherein th
A knee orthosis that includes a medial tracking member that operatively fits along a lateral side of, and provides medial traction to, a patella having patellofemoral articular tissue; an inward tracking member that operatively fits over, and provides inward pressure against, the patella; wherein the inward tracking member provides a compressive force against the patella, thereby increasing the contact surface area between the patellofemoral articular tissue and an associated femoral trochlear groove. The inward tracking member overlays the patella and the medial tracking member so that medial traction can be placed on the patella. The inward tracking member provides continued compressive force against the patella to stretch lateral connective tissue of the patella, throughout a full extension or flexion motion of an associated knee, and the continuous compressive force is substantially the same throughout the extension or flexion motion. An orthotic method for correcting patellofemoral joint disorders is also disclosed.
대표청구항▼
1. A knee orthosis, comprising: a medial tracking member, including: a lateral element configured to be positioned along a lateral side of a patella having patellofemoral articular tissue;an upper element configured to be positioned above the patella, the upper element including a lateral end couple
1. A knee orthosis, comprising: a medial tracking member, including: a lateral element configured to be positioned along a lateral side of a patella having patellofemoral articular tissue;an upper element configured to be positioned above the patella, the upper element including a lateral end coupled to an upper end of the lateral element; anda lower element configured to be positioned below the patella, the lower element including a lateral end coupled to a lower end of the lateral element,the lateral element, upper element and lower element of the medial tracking member being configured to apply a selected amount of medially oriented pressure to the patella to cause the patella to track medially; andan inward traction member configured to: position the medial tracking member circumferentially around at least a portion of the patella; andbe positioned over, and provide concentrated, medial and inward pressure and a compressive force against the patella, and to increase the contact surface area between the patellofemoral articular tissue and an associated femoral trochlear groove. 2. The knee orthosis of claim 1, wherein the inward traction member is configured to directly overlay the patella and the lateral element of the medial tracking member so that medial traction can be placed on the patella. 3. The knee orthosis of claim 1, wherein the medial tracking member is adjustable to enable selective adjustment of an amount of medial traction. 4. The knee orthosis of claim 1, wherein the inward traction member is adjustable to increase or decrease an amount of inward pressure applied to the patella. 5. The knee orthosis of claim 4, wherein the inward traction member has a plurality of intermittent inward pressure settings. 6. The knee orthosis of claim 4, wherein the inward traction member comprises an elastic, adjustable strap. 7. The knee orthosis of claim 1, wherein the inward traction member is configured to provide continuous compressive force against the patella throughout a full range of extension motion of a knee of which the patella is a part. 8. The knee orthosis of claim 7, wherein the continuous compressive force is substantially the same throughout the extension motion. 9. The knee orthosis of claim 7, wherein the continuous compressive force increases throughout the extension motion. 10. The knee orthosis of claim 1, further comprising: a polycentric hinge having an axis that maintains a parallel position with respect to an associated knee throughout a flexion or extension motion of the knee. 11. The knee orthosis of claim 10, wherein: the polycentric hinge is bicentric;the inward traction member is operatively attached to the polycentric hinge; andthe inward traction member is aligned substantially perpendicular to an axis of the polycentric hinge. 12. The knee orthosis of claim 11, wherein: the inward traction member is mounted to the polycentric hinge; oroperatively loops through a ring that is aligned parallel to the axis of the polycentric hinge. 13. The knee orthosis of claim 1, further comprising: an elastic, breathable sleeve having attachment positions for anchoring and adjusting the medial tracking member and the inward traction member. 14. The knee orthosis of claim 1, wherein the lateral element of the medial tracking member comprises a synthetic tube that is covered with an elastic material, a raised spacing member, or a raised extension member. 15. An orthotic method for tracking a patella, comprising: applying medial traction around a lateral side, a top and a bottom of a patella having patellofemoral articular tissue; andapplying a concentrated, inward traction against the patella to increase a contact surface area between the patellofemoral articular tissue and an associated femoral trochlear groove. 16. The method of claim 15, wherein applying the concentrated, inward traction comprises intermittently and progressively tightening an inward traction member over time. 17. The method of claim 16, wherein applying the medial traction intermittently and progressively tightening the inward traction member over time increasingly stretches lateral patellar connective tissue over time. 18. A knee orthosis, comprising: a medial tracking member configured to at least partially surround an outer periphery of a patella having patellofemoral articular tissue and to cause the patella to track medially, the medial tracking member including: a lateral element comprising an elongated element configured to be positioned adjacent to a lateral side of the patella, and including an upper end and a lower end;an upper element comprising an elongated strap configured to be positioned above an upper periphery of the patella, and including a lateral end coupled to an upper end of the lateral element and a length adjustment feature configured to be positioned above the upper periphery of the patella; anda lower element comprising an elongated strap configured to be positioned below a lower periphery of the patella, and including a lateral end coupled to the lower end of the lateral element and a length adjustment feature configured to be positioned below the lower periphery of the patella; andan inward traction member configured to extend over the patella, between and in spaced apart relation from the upper element and the lower element of the medial tracking member, and over the lateral element of the medial tracking member to hold the medial tracking member in position relative to the patella. 19. The knee orthosis of claim 18, wherein the inward traction strap directly overlays the patella without extending to a location above or below the patella to apply a concentrated, inward compressive force to the patella and to increase a contact surface area between the patellofemoral articular tissue and an associated femoral trochlear groove. 20. The knee orthosis of claim 19, wherein at least one of the upper element and the lower element of the medial tracking member is adjustable to enable adjustment of an amount of medial traction to be applied to the patella. 21. The knee orthosis of claim 18, wherein the inward traction strap is adjustable to enable adjustment of an amount of concentrated, inward compressive force to be applied to the patella. 22. The knee orthosis of claim 21, wherein the inward traction strap provides continuous compressive force against the patella throughout a full range of extension motion of a knee associated with the patella. 23. The knee orthosis of claim 21, further comprising: opposing lateral and medial hinges, each having a longitudinal axis that maintains a substantially parallel position with respect to the knee throughout a flexion or extension motion of the knee,wherein a first opposing portion of the inward traction strap is operatively attached to the lateral hinge and a second opposing portion of the inward traction strap is operatively attached to the medial hinge, the inward traction strap being aligned substantially perpendicular to the longitudinal axes of the lateral and medial hinges. 24. The knee orthosis of claim 23, further comprising: an elastic, breathable sleeve having attachment positions for anchoring and adjusting the medial tracking member and the inward traction strap. 25. An orthotic method for treating a patella, comprising: applying a medial traction along a lateral side and at least partially around an upper periphery and a lower periphery of a patella having patellofemoral articular tissue; andapplying a concentrated, medial and inward pressure against the patella to increase a contact surface area between the patellofemoral articular tissue and an associated femoral trochlear groove while coextensively focusing the medial traction.
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Grace Kathleen J. (7182 Caminito Zabala San Diego CA 92122) Fonte Anne M. (7182 Caminito Zabala San Diego CA 92122) Buser John P. (837 Cornish Dr. San Diego CA 92107), Patellar alignment device.
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