US3785372A - Extension desubluxation hinge appliance - Google Patents

Extension desubluxation hinge appliance Download PDF

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Publication number
US3785372A
US3785372A US00320082A US3785372DA US3785372A US 3785372 A US3785372 A US 3785372A US 00320082 A US00320082 A US 00320082A US 3785372D A US3785372D A US 3785372DA US 3785372 A US3785372 A US 3785372A
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hinge
appliance
bar members
extension
pair
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US00320082A
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W Craig
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    • 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. splints, casts or braces
    • A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
    • A61F5/0123—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations for the knees
    • A61F5/0125—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations for the knees the device articulating around a single pivot-point

Definitions

  • An improved hinge appliance having a pair of thigh bar members joined at their upper ends by a band and having a pair of leg bar members joined at their lower ends by a band, said thigh bar members being connected to said leg bar members by hinge bar members having one end formed into a block form and the other end formed into a shank member extending outwardly with means for controlling the extension of the hinge appliance.
  • the new and improved extension desubluxation hinge appliance provides for the gradual extension of contractured knees from whatever cause, in conjunction with cylindrical thigh and lower leg casts.
  • the hinge appliance is attached at its upper end to a patients thigh cast by a semi-circular band embedded into the cast along with the upper straight ends of the thigh bar members of the hinge appliance.
  • the hinge appliance is attached at its lower end by a semi-circular band embedded into the patientsleg cast along with the lower straight ends of the leg bar members of the hinge appliance.
  • the thigh bar members and the leg bar members of the hinge appliance are connected together and controlled by a pair of hinge bar members having a unique construction.
  • Each hinge bar member has one end formed into a block member and has the other end formed into a shank member which extends outwardly from the block member at an obtuse angle to the longitudinal axis of the block member.
  • the shank member is pivotally connected to the lower offset portion of the thigh bar member of the hinge appliance and is provided with an adjustment nut which receives a set screw that is threaded into a corresponding adjustment nut mounted on the lower offset portion of the thigh bar member.
  • the block member portion of the hinge bar member is pivotally connected by a screw to a similar block member formed at the upper offset portion of the leg bar member of the hinge appliance.
  • a nut is swedged on the screw between the respective block members of the leg bar member and of the hinge bar member.
  • Adjustment of the set screw will permit gradual extension of a contractured knee as desired, while adjustment of the screw between the block members of the leg bar member and of the hinge bar member will permit drawing of the tibia bone of a patients leg forward.
  • the hinge appliance permits easy adjustment of a patients knee as desired and firm, positive knee positioning as required.
  • an object of this invention to provide a hinge appliance for the gradual extension of contractured knees of a patient.
  • Another object of this invention is to provide a hinge appliance which can be easily adjusted as desired.
  • a further object of this invention is to provide a hinge appliance that has firm and positive knee positioning.
  • a still further object of this invention is to provide a hinge appliance that permits a patient to walk when the hinge appliance has been applied to the patient.
  • FIG. 1 is a side elevational view of an embodiment of the invention in place on a patient with a contractured knee.
  • FIG. 2 is a view taken along line 22 of FIG. 1.
  • FIG. 3 is a view taken along line 3-3 of FIG. 1.
  • FIG. 4 is a view taken along line 4-4 of FIG. 1.
  • FIG. 5 is a side elevational view of an embodiment of the invention in place on a patient with the knee straightened.
  • the hinge appliance 10 has a pair of thigh bar members 12 each having an upper straight portion 14 and a lower offset portion 16 outwardly tapered.
  • the ends 18 of the upper straight portions 14 of the hinge appliance 10 are connected by a semi-circular band 20 pivotally mounted at each of its ends to each of the ends 18.
  • Each end of the offset portion 16 of the thigh bar members 112 is connected to a hinge bar member 22.
  • the hinge bar members 22 each have one end formed into a block member 24 and the other end into a shank member 26 extending outwardly from the block member 24 at an obtuse angle to the longitudinal axis of block member 22.
  • Each block member 24 has a threaded opening 28 at right angles to its longitudinal axis to receive a screw 30 connecting block member 24 to the upper end of leg bar member 32, which upperend is formed into a block member 34 with a threaded opening 35.
  • Nut 38 is swedged into position between the block member 24 of hinge bar member 22 and block member 34.
  • Shank member 26 is pivotally mounted at its middle portion to the lower end of thigh bar member 12 by nut 40 swedged on screw 42.
  • the outer end of shank member 26 has an adjustment nut 44 maintained in position on the side of shank member 26 by screw 46.
  • Adjustment nut 44 has a threaded opening 48 in its middle portion at right angles to its vertical axis' to-receive one end of set screw 50.
  • a similar adjustment nut 51 is maintained in position at the lower end of thigh bar member 12 by screw 52.
  • Adjustment nut 51 has a threaded opening 54 in its middle portion at right angles to its vertical axis to receive the end of set screw 50.
  • Leg bar members 32 each have an upper offset portion 56 tapering inwardly and terminating in lower straight portions 58.
  • the ends of lower straight portions 58 are connected by a semi-circular band 60 pivotally mounted at each of its ends to each of the ends of lower straight portion 58.
  • the hinge appliance 10 is placed in posi tion between a cylindrical thigh cast 62 and a lower leg cast 64 on a patient.
  • the upper straight portion 14 of thigh bar members 12, in conjunction with band 20, is submerged in the thigh cast 62, while the lower straight portion 58 of leg bar members 32, in conjunction with band 60, is submerged in the leg cast 64.
  • set screw 50 is adjusted so that the hinge appliance 10 is applied with the patients knee in maximum extension possible at the time.
  • the patient is able to walk with the hinge appliance 10 so applied, and may adjust the set screw 50 daily to extend the knee a few degrees each day as the patients knee improves.
  • screw 30 is adjusted with an Allan wrench to the proper position.
  • the hinge appliance is preferably made from a lightopening therein, and a lower straight portion with weight rustproof metal, such as aluminum.
  • the screws ends pivotally connected to a semi-circular band; are preferably made of stainless steel.
  • a pair of hinge bar members each having one end
  • thigh bar members each having an upper means for controlling extension of said hinge applistraight portion with ends pivotally connected to a ance, said means being mounted at the outer end semi-circular band, and a lower outwardly tapered of said shank member and at the upper end of said offset portion; leg bar member.
  • a hinge appliance according to claim 1 in which wardly tapered offset portion with its upper end the angle of said shank member is an obtuse angle. formed into a block member having a threaded

Abstract

An improved hinge appliance having a pair of thigh bar members joined at their upper ends by a band and having a pair of leg bar members joined at their lower ends by a band, said thigh bar members being connected to said leg bar members by hinge bar members having one end formed into a block form and the other end formed into a shank member extending outwardly with means for controlling the extension of the hinge appliance.

Description

United States Patent [191 Craig Jan. 1.5, 1974 EXTENSION DESUBLUXATION HINGE APPLIANCE [76] Inventor: William A. Craig, P.O. Box 81,
Angwin, Calif. 94508 [22] Filed: Jan. 2, 1973 211 App1.No.:320,082
[52] US. Cl. 128/80 C, 128/84 R [51] Int. Cl. A611 3/00 [58] Field of Search 128/80 F, 80 C, 80 R,
128/80 A, 80 B, 80 G, 88, 84 R, 84 A [56 References Cited UNITED STATES PATENTS 2587,166 2 1952 Jovick 1. 128/80 c 2,570 382 10/1951 Ruetting r 128/80 F 2,654 365 10/1953 Whitaker 128/80 F 3,028,858 4/1962 Cutler 128/84 R FOREIGN PATENTS OR APPLICATIONS 508,227 10/1920 France 128/80 C Primary Examiner-Richard A. Gaudet Assistant Examiner-.1. Yasko [57] ABSTRACT An improved hinge appliance having a pair of thigh bar members joined at their upper ends by a band and having a pair of leg bar members joined at their lower ends by a band, said thigh bar members being connected to said leg bar members by hinge bar members having one end formed into a block form and the other end formed into a shank member extending outwardly with means for controlling the extension of the hinge appliance.
2 Claims, 5 Drawing Figures PATENTEBJAH I 5W4 SHEET 1 IF 2 1 EXTENSION DESUBLUXATION HINGE APPLIANCE BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a new and improved extension desubluxation hinge appliance that permits the gradual extension of contractured knees of patients.
2. Prior Art Applicant knows of no prior art having the particular features of this invention.
SUMMARY OF THE INVENTION The new and improved extension desubluxation hinge appliance provides for the gradual extension of contractured knees from whatever cause, in conjunction with cylindrical thigh and lower leg casts. The hinge appliance is attached at its upper end to a patients thigh cast by a semi-circular band embedded into the cast along with the upper straight ends of the thigh bar members of the hinge appliance.
The hinge appliance is attached at its lower end by a semi-circular band embedded into the patientsleg cast along with the lower straight ends of the leg bar members of the hinge appliance.
The thigh bar members and the leg bar members of the hinge appliance are connected together and controlled by a pair of hinge bar members having a unique construction.
Each hinge bar member has one end formed into a block member and has the other end formed into a shank member which extends outwardly from the block member at an obtuse angle to the longitudinal axis of the block member. The shank member is pivotally connected to the lower offset portion of the thigh bar member of the hinge appliance and is provided with an adjustment nut which receives a set screw that is threaded into a corresponding adjustment nut mounted on the lower offset portion of the thigh bar member.
The block member portion of the hinge bar member is pivotally connected by a screw to a similar block member formed at the upper offset portion of the leg bar member of the hinge appliance. A nut is swedged on the screw between the respective block members of the leg bar member and of the hinge bar member.
Adjustment of the set screw will permit gradual extension of a contractured knee as desired, while adjustment of the screw between the block members of the leg bar member and of the hinge bar member will permit drawing of the tibia bone of a patients leg forward. Thus, the hinge appliance permits easy adjustment of a patients knee as desired and firm, positive knee positioning as required.
It is, therefore, an object of this invention to provide a hinge appliance for the gradual extension of contractured knees of a patient.
Another object of this invention is to provide a hinge appliance which can be easily adjusted as desired.
A further object of this invention is to provide a hinge appliance that has firm and positive knee positioning.
A still further object of this invention is to provide a hinge appliance that permits a patient to walk when the hinge appliance has been applied to the patient.
. These and other objects will be more readily understood by reference to the following description and claims, taken in conjunction with the accompanying drawing, in which FIG. 1 is a side elevational view of an embodiment of the invention in place on a patient with a contractured knee.
FIG. 2 is a view taken along line 22 of FIG. 1.
FIG. 3 is a view taken along line 3-3 of FIG. 1.
FIG. 4 is a view taken along line 4-4 of FIG. 1.
FIG. 5 is a side elevational view of an embodiment of the invention in place on a patient with the knee straightened.
The hinge appliance 10 has a pair of thigh bar members 12 each having an upper straight portion 14 and a lower offset portion 16 outwardly tapered. The ends 18 of the upper straight portions 14 of the hinge appliance 10 are connected by a semi-circular band 20 pivotally mounted at each of its ends to each of the ends 18.
Each end of the offset portion 16 of the thigh bar members 112 is connected to a hinge bar member 22. The hinge bar members 22 each have one end formed into a block member 24 and the other end into a shank member 26 extending outwardly from the block member 24 at an obtuse angle to the longitudinal axis of block member 22.
Each block member 24 has a threaded opening 28 at right angles to its longitudinal axis to receive a screw 30 connecting block member 24 to the upper end of leg bar member 32, which upperend is formed into a block member 34 with a threaded opening 35. Nut 38 is swedged into position between the block member 24 of hinge bar member 22 and block member 34.
Shank member 26 is pivotally mounted at its middle portion to the lower end of thigh bar member 12 by nut 40 swedged on screw 42.
The outer end of shank member 26 has an adjustment nut 44 maintained in position on the side of shank member 26 by screw 46. Adjustment nut 44 has a threaded opening 48 in its middle portion at right angles to its vertical axis' to-receive one end of set screw 50. A similar adjustment nut 51 is maintained in position at the lower end of thigh bar member 12 by screw 52. Adjustment nut 51 has a threaded opening 54 in its middle portion at right angles to its vertical axis to receive the end of set screw 50.
Leg bar members 32 each have an upper offset portion 56 tapering inwardly and terminating in lower straight portions 58. The ends of lower straight portions 58 are connected by a semi-circular band 60 pivotally mounted at each of its ends to each of the ends of lower straight portion 58.
In operation, the hinge appliance 10 is placed in posi tion between a cylindrical thigh cast 62 and a lower leg cast 64 on a patient. The upper straight portion 14 of thigh bar members 12, in conjunction with band 20, is submerged in the thigh cast 62, while the lower straight portion 58 of leg bar members 32, in conjunction with band 60, is submerged in the leg cast 64.
For extension of the contractured knee, set screw 50 is adjusted so that the hinge appliance 10 is applied with the patients knee in maximum extension possible at the time. The patient is able to walk with the hinge appliance 10 so applied, and may adjust the set screw 50 daily to extend the knee a few degrees each day as the patients knee improves.
Where drawing of a patients tibia bone forward is desired, screw 30 is adjusted with an Allan wrench to the proper position.
3 4 The hinge appliance is preferably made from a lightopening therein, and a lower straight portion with weight rustproof metal, such as aluminum. The screws ends pivotally connected to a semi-circular band; are preferably made of stainless steel. a pair of hinge bar members each having one end Although I have described a preferred embodiment formed into a block member with a threaded openof my invention, it is understood that numerous modifi- 5 ing therein which receives one end of a screw, and cations in construction and arrangement of parts may having the other end formed into a shank member be made within the scope of the invention as hereinafat an angle to said block member, said shank memter claimed. her being pivotally mounted to the lower end of Iclaim: said thigh bar member, and said block member 1. A hinge appliance for gradual extension of a conbeing connected by said screw to the block memtractured knee of a patient, comprising: ber of said leg bar member; and
a pair of thigh bar members each having an upper means for controlling extension of said hinge applistraight portion with ends pivotally connected to a ance, said means being mounted at the outer end semi-circular band, and a lower outwardly tapered of said shank member and at the upper end of said offset portion; leg bar member.
a pair of leg bar members each having an upper in- 2. A hinge appliance according to claim 1 in which wardly tapered offset portion with its upper end the angle of said shank member is an obtuse angle. formed into a block member having a threaded

Claims (2)

1. A hinge appliance for gradual extension of a contractured knee of a patient, comprising: a pair of thigh bar members each having an upper straight portion with ends pivotally connected to a semi-circular band, and a lower outwardly tapered offset portion; a pair of leg bar members each having an upper inwardly tapered offset poRtion with its upper end formed into a block member having a threaded opening therein, and a lower straight portion with ends pivotally connected to a semi-circular band; a pair of hinge bar members each having one end formed into a block member with a threaded opening therein which receives one end of a screw, and having the other end formed into a shank member at an angle to said block member, said shank member being pivotally mounted to the lower end of said thigh bar member, and said block member being connected by said screw to the block member of said leg bar member; and means for controlling extension of said hinge appliance, said means being mounted at the outer end of said shank member and at the upper end of said leg bar member.
2. A hinge appliance according to claim 1 in which the angle of said shank member is an obtuse angle.
US00320082A 1973-01-02 1973-01-02 Extension desubluxation hinge appliance Expired - Lifetime US3785372A (en)

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220148A (en) * 1977-02-12 1980-09-02 New York University Knee stabilizer
US4392488A (en) * 1980-05-27 1983-07-12 Peter Will Joint splint
US4407276A (en) * 1981-01-22 1983-10-04 Medical Designs, Inc. Brace for articulated limbs
DE3433843A1 (en) * 1984-09-14 1986-03-27 Medical Designs, Inc., Azle, Tex. Knee support for the prevention of rotations
US4635623A (en) * 1983-10-24 1987-01-13 J. E. Hanger Limited Brace for an articulating limb
US4665905A (en) * 1986-06-09 1987-05-19 Brown Charles S Dynamic elbow and knee extension brace
US4681097A (en) * 1986-01-23 1987-07-21 Pansiera Timothy T Orthopedic brace
US4856501A (en) * 1987-06-29 1989-08-15 Innovation Sports, Inc. Knee brace having adjustable width frame pivoted to cuffs
US4886054A (en) * 1987-06-29 1989-12-12 Innovation Sports, Inc. Knee brace with cammed stop lever
USRE33621E (en) * 1983-10-03 1991-06-25 Anatomic brace fracture for the knee
USD433756S (en) * 1999-11-02 2000-11-14 Castillo Edward L Osteoarthritis knee brace
US20020107465A1 (en) * 2001-01-29 2002-08-08 Brad Freeman Joint brace with rapid-release securement members
US6461318B2 (en) 2001-01-29 2002-10-08 Brad Freeman Anatomical brace with rapid-release securement members
US6464657B1 (en) 2000-05-24 2002-10-15 James D. Castillo Anatomical joint brace field of the invention
US20020183674A1 (en) * 2000-01-18 2002-12-05 Castillo Edward L. Osteo-arthritis knee brace
US6689080B2 (en) 2000-05-24 2004-02-10 Asterisk.Asterisk Llc Joint brace with limb-conforming arcuately adjustable cuffs
US20040068215A1 (en) * 2002-10-08 2004-04-08 Jeremy Adelson Osteoarthritis knee brace apparatus and method
US6796951B2 (en) 2001-02-02 2004-09-28 Asterisk.Asterisk. Llc Anatomical joint brace with adjustable joint extension limiter
US6962571B2 (en) 2001-02-02 2005-11-08 Asterisk.Asterisk, Llc Joint brace with multi-planar pivoting assembly and infinitely adjustable limb extension regulator
US7044925B2 (en) 2002-12-30 2006-05-16 Innovation Sports, Llc Hinge system for regulating knee joint flexion and extension
US20080195013A1 (en) * 2007-02-12 2008-08-14 Arni Thor Ingimundarson Orthopedic brace and component for use therewith
US20100311022A1 (en) * 2009-06-05 2010-12-09 Jeffrey Asper Runner's Arm Position Training Device
US8882689B2 (en) 2010-12-20 2014-11-11 Asterisk.Asterisk, Llc Knee brace
US10420668B2 (en) 2014-11-20 2019-09-24 Ossur Iceland Ehf Patella cup

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR508227A (en) * 1920-01-08 1920-10-05 Lucien Camille Louis Fromentea Joint device allowing early mobilization of joints in limb fractures
US2570382A (en) * 1949-09-02 1951-10-09 Ruetting William Leg brace knee joint
US2587166A (en) * 1950-01-06 1952-02-26 Vance Jovick Knee-supporting brace
US2654365A (en) * 1949-11-14 1953-10-06 Archie L Whitaker Combined body and leg brace
US3028858A (en) * 1956-05-31 1962-04-10 Myrtle Mccool Stretcher brace

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR508227A (en) * 1920-01-08 1920-10-05 Lucien Camille Louis Fromentea Joint device allowing early mobilization of joints in limb fractures
US2570382A (en) * 1949-09-02 1951-10-09 Ruetting William Leg brace knee joint
US2654365A (en) * 1949-11-14 1953-10-06 Archie L Whitaker Combined body and leg brace
US2587166A (en) * 1950-01-06 1952-02-26 Vance Jovick Knee-supporting brace
US3028858A (en) * 1956-05-31 1962-04-10 Myrtle Mccool Stretcher brace

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220148A (en) * 1977-02-12 1980-09-02 New York University Knee stabilizer
US4392488A (en) * 1980-05-27 1983-07-12 Peter Will Joint splint
US4407276A (en) * 1981-01-22 1983-10-04 Medical Designs, Inc. Brace for articulated limbs
USRE33621E (en) * 1983-10-03 1991-06-25 Anatomic brace fracture for the knee
US4635623A (en) * 1983-10-24 1987-01-13 J. E. Hanger Limited Brace for an articulating limb
DE3433843A1 (en) * 1984-09-14 1986-03-27 Medical Designs, Inc., Azle, Tex. Knee support for the prevention of rotations
US4681097A (en) * 1986-01-23 1987-07-21 Pansiera Timothy T Orthopedic brace
US4665905A (en) * 1986-06-09 1987-05-19 Brown Charles S Dynamic elbow and knee extension brace
US4856501A (en) * 1987-06-29 1989-08-15 Innovation Sports, Inc. Knee brace having adjustable width frame pivoted to cuffs
US4886054A (en) * 1987-06-29 1989-12-12 Innovation Sports, Inc. Knee brace with cammed stop lever
USD433756S (en) * 1999-11-02 2000-11-14 Castillo Edward L Osteoarthritis knee brace
US20020183674A1 (en) * 2000-01-18 2002-12-05 Castillo Edward L. Osteo-arthritis knee brace
US6875187B2 (en) 2000-01-18 2005-04-05 Innovation Sports, Inc. Osteo-arthritis knee brace
US6464657B1 (en) 2000-05-24 2002-10-15 James D. Castillo Anatomical joint brace field of the invention
US6689080B2 (en) 2000-05-24 2004-02-10 Asterisk.Asterisk Llc Joint brace with limb-conforming arcuately adjustable cuffs
US20020107465A1 (en) * 2001-01-29 2002-08-08 Brad Freeman Joint brace with rapid-release securement members
US6461318B2 (en) 2001-01-29 2002-10-08 Brad Freeman Anatomical brace with rapid-release securement members
US6793641B2 (en) 2001-01-29 2004-09-21 Asterisk.Asterisk, Llc Joint brace with rapid-release securement members
US6962571B2 (en) 2001-02-02 2005-11-08 Asterisk.Asterisk, Llc Joint brace with multi-planar pivoting assembly and infinitely adjustable limb extension regulator
US6796951B2 (en) 2001-02-02 2004-09-28 Asterisk.Asterisk. Llc Anatomical joint brace with adjustable joint extension limiter
US20040068215A1 (en) * 2002-10-08 2004-04-08 Jeremy Adelson Osteoarthritis knee brace apparatus and method
US7044925B2 (en) 2002-12-30 2006-05-16 Innovation Sports, Llc Hinge system for regulating knee joint flexion and extension
US20080195013A1 (en) * 2007-02-12 2008-08-14 Arni Thor Ingimundarson Orthopedic brace and component for use therewith
US20080195014A1 (en) * 2007-02-12 2008-08-14 Arni Thor Ingimundarson Orthopedic component for use with an orthopedic brace
US7749183B2 (en) 2007-02-12 2010-07-06 Ossur Hf Orthopedic brace including a protector assembly
US8048013B2 (en) 2007-02-12 2011-11-01 Ossur Hf Orthopedic brace and component for use therewith
US8348876B2 (en) 2007-02-12 2013-01-08 Ossur Hf Strap retainer
US9039644B2 (en) 2007-02-12 2015-05-26 Ossur Hf Orthopedic component for use with an orthopedic brace
US20100311022A1 (en) * 2009-06-05 2010-12-09 Jeffrey Asper Runner's Arm Position Training Device
US8882689B2 (en) 2010-12-20 2014-11-11 Asterisk.Asterisk, Llc Knee brace
US10420668B2 (en) 2014-11-20 2019-09-24 Ossur Iceland Ehf Patella cup

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