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| Number | Title | Issue Date |
| 8187337 | Trouble-free safety prosthesis joint A trouble-free safety prosthesis joint, which has a below-knee connector device with a main body, a base, a drive element and a restoring unit. The restoring unit is provided in a receiving space located in the interior of the main body and is connected to the drive... | 05/29/2012 |
| 7785373 | Prosthetic knee and leg assembly for use in athletic activities in which the quadriceps are normally used for support and dynamic function The present invention provides a new prosthetic knee and lower leg device that enables an above-the-knee amputee to participate in demanding athletic activities in which the quadricep muscles are used extensively for support and dynamic function. The prosthetic devi... | 08/31/2010 |
| 7655050 | Computer controlled prosthetic knee device A prosthetic knee provides a single axis of rotation and includes a hydraulic damping cylinder, a microprocessor, and sensors. Based on input from the sensors, the microprocessor selects a flow path within the hydraulic cylinder in order to provide the proper amount... | 02/02/2010 |
| 7455696 | Dynamic seals for a prosthetic knee The invention in some embodiments relates to a dynamic seal for a prosthetic knee. The dynamic seal in one embodiment is utilized to seal a magnetorheological fluid comprising a liquid and solid particles within a chamber of the knee. The dynamic seal embodiments ar... | 11/25/2008 |
| 7410472 | Articulating joint The present invention pertains to an articulating joint that is disengageable between two modes of operation: unidirectional movement of the joint or bi-directional movement of the joint, with features that allow the mode to be automatically switched as required. Wh... | 08/12/2008 |
| 7279010 | Prosthetic knee joint structure A prosthetic knee joint structure is provided herein. The knee join mainly contains an upper member for connecting to a prosthetic thigh, a lower member for connecting to prosthetic shin and foot, a linking device for connecting the upper and lower members, a cushio... | 10/09/2007 |
| 7279009 | Speed-adaptive and patient-adaptive prosthetic knee The invention relates to an automated speed-adaptive and patient-adaptive control scheme and system for a knee prosthesis. The control scheme and system utilizes sensory information measured local to the prosthesis to automatically adjust stance and swing phase knee... | 10/09/2007 |
| 7232016 | Fluid damper having continuously variable damping response An improved damping apparatus that utilizes a fluid having a viscosity that may be varied by the application of an electromagnetic field, such as a magnetorheological fluid or an electrorheological fluid, to provide the damping response. The damping apparatus includ... | 06/19/2007 |
| 7195647 | Artificial knee joint An artificial knee joint includes an upper seat, a lower seat adapted to be connected fixedly to a prosthetic lower leg, and a driving device. The upper seat includes a seat body connected to the lower seat by the driving device, and a movable member connected pivot... | 03/27/2007 |
| 7044983 | Positioning and buffering device for artificial knee joint A positioning and buffering device of a knee joint for artificial limb is disclosed. The device comprises a knee cap head, an interlinking device including two arch plates, a buffering device including an interlinking rod, an interlinking support and a hydraulic cyl... | 05/16/2006 |
| 7001434 | Device for pivotably connecting parts of an orthopaedic device The invention relates to a device for pivotably connecting parts of an orthopaedic device, such as in particular a prosthetic knee for leg amputees, which device comprises a kinematic multibar mechanism with at least four bars, which bar mechanism allows a movement ... | 02/21/2006 |
| 6971491 | Magneto-rheological fluid encased in flexible materials for vibration control The disclosed device is directed toward magneto-rheological fluid encasement device. The magneto-rheological fluid encasement device comprises a body having at least one containment element defining an interior and an exterior. A magneto-rheological fluid is dispose... | 12/06/2005 |
| 6955692 | Leg prosthesis A leg prosthesis adapted to a thigh stump includes an adapter (2) for a knee joint (3), a knee joint (3) mounted on this adapter, and a prosthetic lower leg (4) coupled to the knee joint (3). A prosthetic foot (5) is attache... | 10/18/2005 |
| 6911050 | Prosthetic knee unit A prosthetic knee device having a hydraulic cylinder with a piston and a gas cylinder. A connecting element extends outwardly from the piston and passing through a gas cylinder. A bottom portion of the gas cylinder is adapted for slidable engagement with the hydraul... | 06/28/2005 |
| 6911051 | Rotating pneumatic knee joint structure A rotating pneumatic knee joint structure is disclosed. The structure comprises a twisting connector module and a pneumatic module. The twisting connector module includes a rotating seat, an adjustable upper seat, adjustable screws, two rotating block modules, beari... | 06/28/2005 |
| 6902585 | Above-knee prosthesis with variable resistance knee joint An above-knee prosthesis that allows the user to control the resistance of knee flexion or extension, and to voluntary lock and release the knee joint, at any and all bending angles, comprising a thigh frame assembly that receives a thigh stump; a leg frame assembly... | 06/07/2005 |
| 6740125 | Knee-joint prosthesis with a hydraulic damping cylinder The invention relates to a knee-joint prosthesis with a hydraulic damping cylinder (1) for regulating the swing phase control and stance phase stabilization, and with an electronic control for a force field acting on the hydraulic fluid of the damping cylinde... | 05/25/2004 |
| 6517585 | Lower limb prosthesis A lower limb prosthesis for an above-knee amputee has an adaptive control system which includes a knee flexion control device arranged to resist flexion at the knee joint both hydraulically and pneumatically by means of a dual piston and cylinder assembly... | 02/11/2003 |
| 6500138 | Electromechanical joint control device with wrap spring clutch A clutch including an output hub on an output frame, an input shaft on an input frame, wherein the input shaft rotates within a bore in the output hub. An input hub is attached on an end of the input shaft, and a spring engages the input hub and the outpu... | 12/31/2002 |
| 6355071 | Knee joint capable of rotating rapidly in one direction but slowly in the other A knee joint utilizes a shaft to dispose a rotating portion inside a body portion thereby enabling the body portion to rotate with respect to the shaft, the rotating portion being provided with a one-way bearing which enables the rotating portion to retur... | 03/12/2002 |
| 5800566 | Artificial joint with a hydraulic damping cylinder A device for damping of the turning movement of a joint such as an artificial knee joint is built into a bearing bridge of a joint. The joint can be a seven pivot point joint with a shaft of one of the pivot points being provided with a gear-wheel. The da... | 09/01/1998 |
| 5755813 | Prosthetic brake joint A prosthetic brake joint includes an upper joint portion, a lower joint portion, and a joint shaft which pivotably connects the two joint portions together. The joint shaft, designed as a brake shaft, is connected to the lower joint portion for fixed rota... | 05/26/1998 |
| 5728172 | Hinge joint in orthopaedic prostheses and ortheses The invention relates to a hinge joint or swivel coupling in orthopaedic sthesis and ortheses, with an upper joint component (1), a lower joint component (2) and, if applicable, interposed control arms (9, 10) (hereinafter designated collectively as "hin... | 03/17/1998 |
| 4371990 | Thigh prosthesis A thigh prosthesis or artificial leg comprising an upper socket portion designed to be secured, in use, to an amputee's stump, a lower shin portion, an articulation frame joining the socket portion to the shin portion, resilient means for limiting and cus... | 02/08/1983 |
| 4310932 | Artificial knee-joint The artificial knee joint for an artificial leg includes a pair of substantially parallel pivotable bars which are connected by pivoting joints to an upper part and a lower part of the knee joint, respectively. One of the bars is anterior and the other is... | 01/19/1982 |
| 4178642 | Knee joint structure for artificial legs An artificial leg of the kind in which the shin portion and the knee portion are shaped from a block of wood or similar solid material, has the knee and shin portions connected by pairs of front and rear links, the effective length of the front links bein... | 12/18/1979 |
| 4145766 | Adjustable friction joint for an artificial knee The angular movement of a knee joint of the kind comprising a four bar linkage is controlled by the frictional engagement of a shaft, pivoted at one end to one of the links, with a pivotable plastics bush located between the ends of another link. The plas... | 03/27/1979 |
| 4135254 | Prosthetic knee apparatus A prosthetic knee apparatus includes a pair of spaced side brackets depending from the upper leg prosthesis, and a housing disposed between the brackets. Extending through the housing to the brackets are anterior and posterior pivot shafts, the posterior ... | 01/23/1979 |
| 4023215 | Locking prosthetic knee A prosthetic knee construction includes a single axis mechanism secured in a knee of rigid foam, wood, or similar material, and a leg shank pivotally secured to the lateral shaft of the mechanism. The shank is of hollow foam, wood, or similar construction... | 05/17/1977 |
| 3934273 | Prosthetic limb with weight-responsive joint lock In a knee structure for a prosthetic limb which allows the shin portion to pivot with respect to the thigh portion about an axle fixed to the shin portion and passing through aligned openings in the thigh portion, a brake-band is disposed slightly less th... | 01/27/1976 |
