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| Number | Title | Issue Date |
| 7935153 | Joint device A joint device for an orthoses or prostheses includes an upper part, a lower part mounted on the upper part in such a way as to turn about a pivot axis, and braking means that brakes or blocks a pivoting movement of the lower part relative to the upper part. The bra... | 05/03/2011 |
| 7918898 | Artificial joint with locking mechanism An artificial joint including a main body and a lower portion adapted to pivotally engage the main body about a control axis while having a locking means that is integral with the lower portion. An upper portion adapted to pivotally engage the main body about a flex... | 04/05/2011 |
| 7909885 | Swing-phase controller with an artificial joint An artificial joint including a stance-phase control means having a flexing axis and a control axis and a swing-phase control means adapted to engage the stance-phase control means. The perpendicular distance between the flexing axis and the swing-phase control mean... | 03/22/2011 |
| 7544214 | Artificial multi-axis knee joint An artificial multi-axis knee joint comprising an upper leg portion and a lower leg portion pivotally connected to each other by a front link for pivoting the front link and the upper leg portion relative to each other around a first geometrical pivot axis, and for ... | 06/09/2009 |
| 7416538 | Walking assistance device There is provided a walking assistance device equipped with an assisting force generator disposed on a side of each of a hip joint and a knee joint, comprising: a hip support member (1) having an attachment means (hip drive source mount 9) capable of r... | 08/26/2008 |
| 7344569 | Closed position maintainable selector valve, knee torque device using the valve, and artificial leg A selector valve capable of maintaining a closed position for a while even if an operating force to a valve element (80) is eliminated when the selector valve (10) is switched from a closed position (braking state) to an open position. The valve elemen... | 03/18/2008 |
| 7318504 | Adjusting mechanism for a prosthetic An adjusting mechanism alters the heel height on a prosthetic foot, and works independently of any articulating ankle joint or foot style, without changing the original dynamic alignment of a prosthetic leg. In a two chamber hydraulic closed system—a fluid materia... | 01/15/2008 |
| 7316795 | Method for overmolding a painted silicone rubber human extremity prosthesis The invention relates to method for overmolding a painted silicone prosthesis of a human extremity. A silicone prosthesis is first molded from a solid replica of a human extremity and then painted to closely resemble the color of the recipient person. An elasotmeric... | 01/08/2008 |
| 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 |
| 7235059 | Releasably locking hinge for an orthopedic brace having adjustable rotation limits A hinge for an orthopedic brace has two rotation plates, a pivotal connector connecting the rotation plates, a rotation limiting mechanism, and a rotation locking mechanism. The rotation limiting mechanism includes a rotation limiting face formed in one of the rotat... | 06/26/2007 |
| 7189264 | Limb with modular prosthetic components The present invention relates to a system with modular components for forming a prosthetic limb, wherein the effective length of the limb is adjustable to accommodate changing needs of a particular person. Several modular components are provided, including sleeve an... | 03/13/2007 |
| 7153329 | Prosthetic hip joint with side pivot A prosthetic hip for supporting on a patient a prosthetic leg comprises a socket, a mount on the outer surface of the socket and defining a joint axis, the joint axis substantially coinciding with the natural axis of rotation of the patient's natural leg when rotate... | 12/26/2006 |
| 7087090 | Artificial knee joint A prosthetic knee joint including stance-phase control means comprising lock or latch for holding the knee in a straight condition, and means determining the status of the latch, said status determining means defining a control axis located so that the lock or latch... | 08/08/2006 |
| 6997959 | Multi-functional artifical knee joint An artificial knee joint connects a prosthetic lower leg to a residual thigh of a prosthesis wearer, and includes a knee-extending oil passage and a knee-flexing oil passage that is provided with a throttle valve. When the lower leg is pressed against the ground by ... | 02/14/2006 |
| 6911049 | Cosmetic covers for prosthetic limbs An endoprosthesis for below knee amputations includes a socket, a foam-covered pylon, and a prosthetic foot. A prosthetic knee is added for above knee amputations. A plastic sleeve is formed, heated, and stretched until it has a size sufficient to ensleeve the endop... | 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 |
| 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 |
| 6764244 | Pin stop for mechanical joints A compact and efficient stop for establishing the position of maximum extension in a mechanical joint, which comprises a free-floating piston, a piston-retaining pin, and a resilient bumper positioned to engage one end of the piston. The piston, retaining pin, and b... | 07/20/2004 |
| 6676707 | Prosthetic devices for upper and lower limbs The invention is directed to a prosthesis which includes first and second members pivotally coupled together and two links which are pivotally coupled together with one link being pivotally coupled to the first member and the other link being pivotally co... | 01/13/2004 |
| 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 |
| 6322594 | Hip joint for an artificial leg The invention relates to a hip joint which has an attachment for an artificial leg and which, in order to permit a largely natural walking movement, has the following features: a front link (5) and a rear link (6) are articulated at their respective upper... | 11/27/2001 |
| 6165226 | Orthosis joint An orthesis joint, in particular a knee joint for part of a leg, comprising a joint upper part (1) and a joint lower part (2), pivotably connected to the latter by means of a joint screw (3), as well as comprising a manually releasable wedge block (9, 10,... | 12/26/2000 |
| 6139586 | Prosthesis brake joint The invention relates to a brake joint for a prosthesis, in particular, to a brake-action knee joint for a leg prosthesis. There is an upper joint part, a lower joint part, and a joint shaft for pivotally connecting the upper and lower joint parts. The jo... | 10/31/2000 |
| 6106560 | Hydraulic knee joint A patient-weight-activated hydraulic knee joint in which flow between hydraulic chambers is controlled by a valve operated by hydraulic pressure and by a force transmission system which transmits the force of a patient's weight, such that the valve is onl... | 08/22/2000 |
| 5899869 | Orthopedic appliance with weight activated brake and variable extension assist A weight bearing strut assembly is capable of supporting the human frame in the act of walking and further enables a leg to which it is strapped to bend in a normal manner as the leg is brought forward during each step, and to lock when the leg is straigh... | 05/04/1999 |
| 5895430 | Prosthesis for long femur and knee disarticulation amputation A prosthesis for leg amputation at the knee joint or short distance above the knee is disclosed which includes an upper leg socket and artificial lower limb pivotally coupled together by a knee bracket attached to upper leg socket. The knee bracket is als... | 04/20/1999 |
| 5888237 | Artificial limb including air cylinder device An artificial limb provides for positional relation between a first pin for rotatably connecting one end of an air cylinder device to a lower member and a second pin for rotatably connecting the other end of the air cylinder device to an upper member. The... | 03/30/1999 |
| 5800567 | Knee mechanism for an artificial limb A knee mechanism for a lower limb prosthesis which maintains knee stability over an initial range of flexion and includes an upper member for connection to or forming part of the thigh component of a prosthesis, a lower member for connection to or forming... | 09/01/1998 |
| 5779735 | Knee unit for above-knee prosthetic leg A knee unit for an above-knee prosthetic leg includes a piston arrangement, a valve arrangement and a bladder arrangement for achieving swing and stance control of the prosthetic leg. For swing control the piston arrangement displaces a fluid through the ... | 07/14/1998 |
| 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 |
| 5545233 | Swing phase control device A swing phase control device for an artificial knee joint which is provided with different first and second throttle controls to permit more natural flexing and stretching of the knee joint.... | 08/13/1996 |
| 5376135 | Adjustable hydraulic damper An adjustable hydraulic damper involves a piston member operating within a hydraulic cylinder where the hydraulic cylinder wall is adjustably deformed to vary the annular space between a piston head and the inside cylinder wall through which hydraulic flu... | 12/27/1994 |
| 5376136 | Artificial leg with two parts articulated lower leg An artificial leg has a femoral member (1); a lower-leg member (2) articulated to the femoral member about a knee joint axis (3') and adapted for connection to a prosthetic foot; and a hydraulic device (4) for controlling the knee joint functions of the a... | 12/27/1994 |
| 5376138 | Hydraulic device for correcting the gait of a femoral amputee A device has a valve (21) activated by hydraulic fluid in opposition to a resilient restoring element (27) and blocking off an outlet in the bottom of a cylinder ( 3 ) when the fluid, responsive to being compressed by a piston (5), exerts a specified pres... | 12/27/1994 |
| 5171325 | Hinge structure for prosthetic joint A prosthetic joint includes an anterior linking and support member and a posterior linking and support member, formed of a resilient material, which act as cantilever flat springs to provide an intrinsic extension bias while furnishing the rigid structure... | 12/15/1992 |
| 5133774 | Teaching playback swing-phase-controlled above-knee prosthesis A teaching playback swing-phase-controlled above-knee prosthesis comprises a thigh frame, a leg frame an air cylinder interconnecting the thigh and leg frames and provided with adjusting means for adjusting the degree of opening the valve of the air cylin... | 07/28/1992 |
| 5062858 | Connecting device for two members of an artificial joint Each member of an artificial joint comprises a toothed sector pivoting about a pin. These toothed sectors are in engagement with one another and are mounted between two parallel side plates separated by two spacers. Openings passing through these side pla... | 11/05/1991 |
| 5062856 | Teaching playback swing-phase-controlled above-knee prosthesis A teaching playback swing-phase-controlled above-knee prosthesis has a thigh frame, a leg frame, an air cylinder interconnecting the thigh and leg frames and provided with adjusting means for adjusting the degree of opening the valve of the air cylinder t... | 11/05/1991 |
| 5062857 | Myoelectrically controlled knee joint locking device A damped knee joint may be locked myoelectrically at any angle of flexing. A special hydraulic cylinder is pivoted above the knee center at one end and in the shank at the other end. This attachment strategy allows 110 degrees of knee flexion, permitting ... | 11/05/1991 |
| 4911709 | Artificial knee with improved stable link-type knee joint An improved knee prosthesis of the four bar kind employing modified geometry of its links permitting the available degree of flexion to be increased to 143°. A resilient leaf spring provides for extension bias at low angles of flexion, and biases the joi... | 03/27/1990 |
