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HAVING ELECTRICAL ACTUATOR

Subclass of:

623 - Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
623024000HAVING ELECTRICAL ACTUATOR89
20100082115PROSTHETIC KNEE WITH GRAVITY-ACTIVATED LOCK - Disclosed is a prosthetic knee appliance having upper and lower leg elements with a single-axis, articulating joint therebetween controllable with an electric knee-lock mechanism. A tilt-switch located within the prosthetic knee can facilitate activation of the electric knee-lock to lock or unlock the joint when the lower leg element is in a pre-determined position. A remote control can provide external locking control of the articulating joint. A pressure switch can ensure that the free-knee is locked only when the lower leg element is sufficiently extended relative to the upper leg element. The mobility of a free-knee system combined with the stability of a straight-leg prosthesis can be advantageous for pre-ambulatory pediatric patients.04-01-2010
20130035769ACTUATED LEG PROSTHESIS FOR ABOVE-KNEE AMPUTEES - The actuated leg prosthesis comprises a knee member, a socket connector provided over the knee member, an elongated trans-tibial member having a bottom end under which is connected an artificial foot, and a linear actuator. A first pivot assembly allows to operatively connect the trans-tibial member to the knee member. A second pivot assembly allows to operatively connect an upper end of the actuator to the knee member. A third pivot assembly allows to operatively connect a bottom end of the actuator to the bottom end of the trans-tibial member. The prosthesis can be provided as either a front actuator configuration or a rear actuator configuration.02-07-2013
20130041476METHOD TO MOVE AND HOLD A PHALANX - A method for movement of at least a finger limb whereby, in order to maintain a position of the finger limb, the electric motor is supplied with a current. In order to maintain a position of the finger limb, the electric motor is supplied the with less energy than the current which is supplied to the electric motor for moving the finger limb.02-14-2013
20100094431ORTHOPEDIC DEVICE - The invention relates to an orthopedic device (04-15-2010
20090326677Joint Prosthetic Device - This invention provides a compact self-contained design of a wrist device for an electrically powered prosthesis. The wrist prosthesis, which provides user controlled motion in two directions, flexion/extension and rotation. Through the unique mounting of the one or more actuators or motors, a significant space savings is achieved. The modular terminal device distal mounting platform and prosthesis proximal mounting structure allow for this wrist device to function with many commercially available terminal devices and prosthesis designs. In a more particular embodiment related to a prosthesis the wrist device utilizes a system of gears, which achieves appropriately externally powered motion and is configured to provide wrist flexion as well as rotation. The prosthesis allows user controlled flexion/extension and rotation by providing two actuating motors and a series of gears, which provides externally powered flexion, extension, and rotation in various ranges.12-31-2009
20100268351SYSTEM, METHOD AND APPARATUS FOR CONTROL OF A PROSTHETIC DEVICE - A system for control of a prosthetic device includes at least one Inertial Measurement Unit detecting orientation of a user's foot. The at least one Inertial Measurement Unit is in communication with a device module configured to command at least one actuator of a prosthetic device. The at least one Inertial Measurement unit sends output signals related to orientation of the user's foot to the device module and the device module controls the at least one actuator of the prosthetic device based on the signals from the at least one Inertial Measurement Unit.10-21-2010
20120226365METHOD AND DEVICE FOR CONTROLLING AN ARTIFICIAL ORTHOTIC OR PROSTHETIC JOINT - The invention relates to a method and device for controlling an artificial orthotic or prosthetic joint with a resistance device to which at least one actuator is associated, via which the bending and/or stretching resistance is changed depending on sensor data. According to the invention, the resistance is adjusted depending on at least one measured temperature signal.09-06-2012
20120232673METHOD AND DEVICE FOR CONTROLLING AN ARTIFICIAL ORTHOTIC OR PROSTHETIC JOINT - The invention relates to a device and method for controlling an artificial orthotic or prosthetic joint of a lower extremity, comprising a resistance unit with which at least one actuator is associated, via which the bending and/or stretching resistance is varied depending on sensor data. During the use of the joint, status information is provided via sensors. According to the invention, the resistance is increased in the standing phase or while standing from a starting value depending on the ground reaction force up to a locking point of the joint.09-13-2012
20090171468CONTROL OF A PASSIVE PROSTHETIC KNEE JOINT WITH ADJUSTABLE DAMPING - The invention relates to the control of a passive prosthetic knee joint with adjustable damping in the direction of flexion such that a prosthetic unit attached to the knee joint can be adapted for climbing stairs.07-02-2009
20080200994Detector and Stimulator for Feedback in a Prosthesis - An apparatus and method for conveying sensory information from a distal location on a prosthetic limb, to a proximal location on the body of the wearer. The apparatus comprises a detector for mounting in a prosthesis and a stimulator for engaging the skin of the prosthesis wearer. Tactile, haptic and other information including surface-normal force, shear force, vibration, and/or temperature are sensed, conveyed, processed, and displayed, such that the wearer of the prosthetic has improved sensation and awareness from distal parts of a prosthetic, such as a fingertip.08-21-2008
20110295385CONTROLLING TORQUE IN A PROSTHESIS OR ORTHOSIS BASED ON A DEFLECTION OF SERIES ELASTIC ELEMENT - In some embodiments of a prosthetic or orthotic ankle/foot, a prediction is made of what the walking speed will be during an upcoming step. When the predicted walking speed is slow, the characteristics of the apparatus are then modified so that less net-work that is performed during that step (as compared to when the predicted walking speed is fast). This may be implemented using one sensor from which the walking speed can be predicted, and a second sensor from which ankle torque can be determined. A controller receives inputs from those sensors, and controls a motor's torque so that the torque for slow walking speeds is lower than the torque for fast walking speeds. This reduces the work performed by the actuator over a gait cycle and the peak actuator power delivered during the gait cycle. In some embodiments, a series elastic element is connected in series with a motor that can drive the ankle, and at least one sensor is provided with an output from which a deflection of the series elastic element can be determined. A controller determines a desired torque based on the output, and controls the motor's torque based on the determined desired torque.12-01-2011
20110295384CONTROLLING POWER IN A PROSTHESIS OR ORTHOSIS BASED ON PREDICTED WALKING SPEED OR SURROGATE FOR SAME - In some embodiments of a prosthetic or orthotic ankle/foot, a prediction is made of what the walking speed will be during an upcoming step. When the predicted walking speed is slow, the characteristics of the apparatus are then modified so that less net-work that is performed during that step (as compared to when the predicted walking speed is fast). This may be implemented using one sensor from which the walking speed can be predicted, and a second sensor from which ankle torque can be determined. A controller receives inputs from those sensors, and controls a motor's torque so that the torque for slow walking speeds is lower than the torque for fast walking speeds. This reduces the work performed by the actuator over a gait cycle and the peak actuator power delivered during the gait cycle. In some embodiments, a series elastic element is connected in series with a motor that can drive the ankle, and at least one sensor is provided with an output from which a deflection of the series elastic element can be determined. A controller determines a desired torque based on the output, and controls the motor's torque based on the determined desired torque.12-01-2011
20120083901PROSTHETIC AND ORTHOTIC DEVICES AND METHODS AND SYSTEMS FOR CONTROLLING THE SAME - Prosthetic and/or orthotic devices (PODS), control systems for PODS and methods for controlling PODS are provided. As part of the control system, an inference layer collects data regarding a vertical and horizontal displacement of the POD, as well as an angle of the POD with respect to gravity during a gait cycle of a user of the POD. A processor analyzes the data collected to determine a locomotion activity of the user and selects one or more control parameters based on the locomotion activity. The inference layer may be situated between a reactive layer control module and a learning layer control module of the control system architecture.04-05-2012
20100114329HYBRID TERRAIN-ADAPTIVE LOWER-EXTREMITY SYSTEMS - Hybrid terrain-adaptive lower-extremity apparatus and methods that perform in a variety of different situations by detecting the terrain that is being traversed, and adapting to the detected terrain. In some embodiments, the ability to control the apparatus for each of these situations builds upon five basic capabilities: (1) determining the activity being performed; (2) dynamically controlling the characteristics of the apparatus based on the activity that is being performed; (3) dynamically driving the apparatus based on the activity that is being performed; (4) determining terrain texture irregularities (e.g., how sticky is the terrain, how slippery is the terrain, is the terrain coarse or smooth, does the terrain have any obstructions, such as rocks) and (5) a mechanical design of the apparatus that can respond to the dynamic control and dynamic drive.05-06-2010
20090054996Lower Limb Prosthesis and Control Unit - A self-teaching lower limb prosthesis, for an above-knee amputee, including a dynamically adjustable joint movement control unit arranged to control operation of the joint automatically. A control unit electrically stores a target relationship between a kinetic or kinematic parameter of locomotion and walking speed. The relationship defines a number of values of the parameter associated with different walking speeds. The control unit generates monitoring signals representative of walking speed values and values of the parameter occurring at different walking speeds. An adjustment system adjusts the control unit automatically when the monitoring signals indicate deviation from the target relationship so as to bring the parameters close to that defined by the target relationship.02-26-2009
20090093890Precise control of orthopedic actuators - An actuator is implanted inside the body and attached to a bone. The actuator is controlled from outside the body using a changing magnetic field or creating mechanical motion of the tissue. The changing field is used to create power inside the actuator and precisely control its operation without requiring a transdermal connection. The power generated inside actuator can also be used to transmit data to the outside.04-09-2009
20120078380ACTUATOR ASSEMBLY FOR PROSTHETIC OR ORTHOTIC JOINT - A system and method associated with the movement of a limb. In one example, the system, such as a prosthetic or orthotic system, includes an actuator that actively controls, or adjusts, the angle between a foot unit and a lower limb member. The actuator preferably selectively locks during a desired phase in a gait cycle and minimizes friction against a rotor of the actuator. A processing module may control movement of the actuator based on data obtained from a sensor module. For instance, data may include information relating to a user's gait and may be used to adjust the foot unit to substantially mimic the movement of a natural ankle. The system may accommodate level ground walking, traveling up/down stairs or sloped surfaces, and various other user movements. In addition, the processing module may receive user input, such as a heel height, or display output signals through an external interface.03-29-2012
20080262634Hand Prosthesis Comprising Two Drive Devices - The invention relates to a hand prosthesis comprising a chassis, to which at least one finger prosthesis is articulated, said finger prosthesis being movable about at least one swiveling axis by means of a drive.10-23-2008
20090259320Generator for prosthesis and orthosis - A means for using body energy to generate electrical current to power the electronics, sensors, actuators and other electronic components in microprocessor-controlled prosthetic or orthotic joints. Furthermore, a means for using the generator to provide swing-phase damping is disclosed whereby the damping level can be controlled and adjusted electronically.10-15-2009
20100217404Electro-magnet based telescoping artificial muscle actuator - The device described herein is an Electro-magnet based Telescoping Artificial Muscle Actuator. This device uses a centrally located electromagnet which acts on permanent magnets and ferrous components housed within telescoping sections of this device. This device is intended to be linked into chains of other identical devices, with those chains then linked into bundles. This arrangement allows devices of this type simulate the action and control mechanisms of natural muscle. This device is intended for use in prosthetic, robotic, and implantable applications.08-26-2010
20100241242Artificial Joints Using Agonist-Antagonist Actuators - Artificial limbs and joints that behave like biological limbs and joints employ a synthetic actuator which consumes negligible power when exerting zero force, consumes negligible power when outputting force at constant length (isometric) and while performing dissipative, nonconservative work, is capable of independently engaging flexion and extension tendon-like, series springs, is capable of independently varying joint position and stiffness, and exploits series elasticity for mechanical power amplification.09-23-2010
20100211186ELECTROACTIVE POLYMER ACTUATION OF IMPLANTS - This invention provides methods and devices for reconstructing muscular responses in patients with paralysis. Electroactive polymer (EAP) actuators power implants attached to tissues in the patients. When the actuators are energized, the implants move the tissues appropriately to provide improved body functions to patients experiencing a paralysis or paresis.08-19-2010
20100211185SYSTEM, METHOD AND APPARATUS FOR ORIENTATION CONTROL - A system for control of a device includes at least one sensor module detecting orientation of a user's body part. The at least one sensor module is in communication with a device module configured to command an associated device. The at least one sensor module detects orientation of the body part. The at least one sensor module sends output signals related to orientation of the user's body part to the device module and the device module controls the associated device based on the signals from the at least one sensor module.08-19-2010
20100324698FEEDBACK CONTROL SYSTEMS AND METHODS FOR PROSTHETIC OR ORTHOTIC DEVICES - Methods and systems are used for monitoring a global position or location of a prosthetic or orthotic device and to provide feedback control of the device. Certain methods may employ remote transmitting devices and receivers to recognize when a prosthetic or orthotic device user is in a moving vehicle and, therefore, initiate automatic shut-off, driving mode, or relaxed mode. Other methods may employ remote transmitting devices and receivers to identify the global position of the prosthetic or orthotic device, compare the global position to a stored terrain mapped database and output feedback control instructions and/or alerts to the prosthetic or orthotic device based at least in part on the stored terrain mapping information.12-23-2010
20100305716METHOD FOR CONTROLLING AN ORTHOPEDIC JOINT - The invention relates to a method for controlling an orthopedic joint of a lower extremity in at least one degree of freedom by means of an adjustable actuator for adjusting an orthopedic apparatus to walking situations that differ from walking on a plane. Said orthopedic apparatus comprises top connecting means to a limb and an orthopedic element that is hingedly arranged distal to the connecting means. The method encompasses the following steps:—several parameters of the orthopedic apparatus are sensed by means of sensors;—the sensed parameters are compared with criteria that have been established based on several parameters and/or parameter curves and are stored in a computer unit;—a criterion is selected that is suitable on the basis of the determined parameters and/or parameter curves; and—resistances to movements, extents of movements, driving forces, and/or the progresses thereof are adjusted in accordance with the selected criterion in order to control special functions that differ from walking on a plane.12-02-2010
20110004321Interface method between an operator and a multiarticular robotic and/or prosthetic device for moving the same - The present invention refers to an interface method between an operator and a multiarticular robotic and/or prosthetic device for moving the same that is characterised in that it comprises the steps that consist of receiving (01-06-2011
20110082566IMPLEMENTING A STAND-UP SEQUENCE USING A LOWER-EXTREMITY PROSTHESIS OR ORTHOSIS - Knee orthoses or prostheses can be used to automatically when it is appropriate to initiate a stand-up sequence based on the position of the person's knee with respect to the person's ankle while the person is in a seated position. When the knee is moved to position that is forward of the ankle, at least one actuator of the orthosis or prosthesis is actuated to help raise the person from the seated position to a standing position.04-07-2011
20100010640IMPLANT SYSTEM HAVING A FUNCTIONAL IMPLANT COMPOSED OF DEGRADABLE METAL MATERIAL - An implant system comprising a functional implant (01-14-2010
20110257764Powered ankle-foot prothesis - A powered ankle-foot prosthesis, capable of providing human-like power at terminal stance that increase amputees metabolic walking economy compared to a conventional passive-elastic prosthesis. The powered prosthesis comprises a unidirectional spring, configured in parallel with a force-controllable actuator with series elasticity. The prosthesis is controlled to deliver the high mechanical power and net positive work observed in normal human walking.10-20-2011
20110257765ARM PROSTHETIC DEVICE - A prosthetic arm apparatus including a plurality of segments that provide a user of the prosthetic arm apparatus with substantially the same movement capability and function as a human arm. The segments are connectable to one another and connectable to a prosthetic support apparatus that may be adorned by the user. Some segments may provide movement about more than one axis using a single actuator. The prosthetic arm apparatus may include a user interface incorporated therein and may include one or more communication systems for communicating with external devices.10-20-2011
20110264238SYSTEM, METHOD AND APPARATUS FOR CONTROL OF A PROSTHETIC DEVICE - A control system for control of a prosthetic device having a plurality of actuators receives an orientation signal indicative of a desired movement. The control system evaluates whether the prosthetic device may move as desired with a current angle of rotation and commands at least one actuator to move the prosthetic device as desired by maintaining the current angle of rotation or by adjusting the angle of rotation if the prosthetic device cannot move as desired with the current angle. The control system may alternate between commanding a first subset of actuators and a second subset of actuators each time the orientation signal is indicative of a neutral position. The control system may include a position sensor and a compliance sensor and may command at least one actuator based on a combination of positional control using the position sensor and force control using the compliance sensor.10-27-2011
20110118852PIEZOELECTRIC IMPLANT - A piezoelectric implant configured to stimulate bone growth in surrounding bone, tissues, and/or bodily fluids. Anatomical loading of the piezoelectric implant causes the piezoelectric implant or components thereof to emit a signal, such as an electric current and/or electromagnetic field that promotes and/or enhances osteoblastic activity in the surrounding bone, tissues, and/or bodily fluids, thereby enhancing bone remodeling and/or fusion. The piezoelectric implant can be configured with a variety of piezoelectric components, such as individual piezoelectric elements or piezoelectric frames, and/or conductors configured to conduct the signal between the piezoelectric components and the surrounding bone, tissues, and/or bodily fluids.05-19-2011
20100023133Semi-actuated transfemoral prosthetic knee - A semi-actuated above knee prosthetic system, which is mostly passive in nature and includes a shank link coupled to an artificial foot, a knee mechanism connected to the shank link and a thigh link attached to an above-knee remaining lower limb of an amputee, is operable in either an actuated mode or an un-actuated mode controlled by a signal processor linked to various prosthetic mounted sensors. In the actuated mode, power is delivered to a torque generator connected to the knee mechanism to cause a forced movement between the thigh and shank links. In the un-actuated mode, a control circuit operates in a non-powered manner to allow operation of the knee mechanism with modulated resistance. Power is delivered through an electric motor connected to a battery source and employed to drive a hydraulic pump which is part of an overall hydraulic power unit including the torque generator.01-28-2010
20100016990Microelectromechanical system (MEMS) employing wireless transmission for providing sensory signals - A medical system employs wireless transmission and provides sensory signals to a user of a prosthetic or other medical device. A series of pressure, force or strain sensors are placed upon various areas of the prosthetic device. The sensors are strategically placed according to anticipated functions of the prosthetic device and the sensors may be placed in clusters, where each cluster may include more than one sensor. The prosthetic device is normally operated by a biometric controller. The biometric controller is controlled by the handicapped user via muscles or other devices to enable the prosthetic device to perform various desired functions. During performing of such functions, the sensors will respond and produce outputs according to applied pressure or strain. These voltage outputs are transmitted by a transmitter to a remote receiver which is located on the body or person of the handicapped user. The receiver demodulates the transmitted signal to provide output signals proportional to the sensor signals as transmitted. These output signals are then directed to electrodes, probes or terminal pads imbedded in the body of the handicapped user by a physician or suitable technician. The imbedded probes or electrodes receive the sensor signals from the receiver and operate to stimulate the nerves so that a user can receive signals indicative of the force applied to given areas of the prosthetic device. In this manner the user can better control prosthetic device operation.01-21-2010
20110137429CONTROL DEVICE AND SYSTEM FOR CONTROLLING AN ACTUATED PROSTHESIS - A device and system for controlling an actuated prosthesis. The device includes a data signal input for each of the main artificial proprioceptors. Also, means for obtaining a first and a second derivative signal for at least some of the data signals, and means for obtaining a third derivative signal for at least one of the data signals. A set of first state machines, and means for generating the phase of locomotion portion using the states of the main artificial proprioceptors, and a second state machine as also included. The system includes a plurality of main artificial proprioceptors as well as means for obtaining a first and a second derivative signal for at least some of the data signals, and means for obtaining a third derivative signal for at least one of the data signals. Also, a set of first state machines, a second state machine, means for storing a lookup table, means for determining actual coefficient values from the lookup table, means for calculating at least one dynamic parameter value of the actuated prosthesis using the lookup table and at least some of the data signals, and means for converting the dynamic parameter value into an output signal to control the actuated prosthesis.06-09-2011
20120310369HIGH TORQUE ACTIVE MECHANISM FOR ORTHOTIC AND/OR PROSTHETIC DEVICES - A high torque active mechanism for an orthotic and/or prosthetic joint using a primary brake which can be provide by magnetorheological (MR) rotational damper incorporating and an additional friction brake mechanism driven by the braking force generated by the MR damper. This combination of MR damper and friction brake mechanism allows an increase in torque density while keeping the same level of motion control offered by the MR damper alone. The increased torque density achieved by this high torque active mechanism allows to minimize the size of the actuating system, i.e. its diameter and/or breath, while maximizing its braking torque capability. In this regard, the friction brake mechanism is advantageously positioned around the MR damper, such that the dimension of the package is minimized.12-06-2012
20120022666Actuator for Prosthetic Finger and Method - A prosthetic glove worn over damaged fingers or over a prosthetic hand having flexible fingers. The glove articulates the fingers with multiple shape memory alloy wires and includes a cooling system for each shape memory alloy wire.01-26-2012
20110093089ELECTRONICALLY CONTROLLED PROSTHETIC SYSTEM - A prosthetic joint system for users comprising a housing having an interior cavity, a center axis in said interior cavity, and an attachment means for fixedly connecting said housing to said user; an inner cylinder disposed in said housing interior cavity wherein said inner cylinder rotates around said center axis of said housing; an appendage attached to said inner cylinder; a sensor system attached to said appendage; and a dampening system, having a power source, in communication with said sensor system, said inner cylinder, and said housing for controlling dampening of the rotation of said inner cylinder around said center axis of said housing.04-21-2011
20130226315ARTIFICIAL HAND COMPONENT - An artificial hand component comprising a drive motor and at least two digits coupled to be driven by the drive motor. The said at least two digits are coupled to be driven by the drive motor via the intermediary of differential gearing.08-29-2013
20110106274SYSTEM AND METHOD FOR MOTION-CONTROLLED FOOT UNIT - A system and method associated with the movement of a limb. In one example, the system, such as a prosthetic or orthotic system, includes an actuator that actively controls, or adjusts, the angle between a foot unit and a lower limb member. A processing module may control movement of the actuator based on data obtained from a sensor module. For instance, sensing module data may include information relating to the gait of a user and may be used to adjust the foot unit to substantially mimic the movement of a natural, healthy ankle. The system may further accommodate, for example, level ground walking, traveling up/down stairs, traveling up/down sloped surfaces, and various other user movements. In addition, the processing module may receive user input or display output signals through an external interface. For example, the processing module may receive a heel height input from the user.05-05-2011
20120123558PROSTHETIC APPARATUS AND CONTROL METHOD - The invention provides a prosthetic apparatus (05-17-2012
20120215323DEVICE AND METHOD FOR CONTROLLING AN ARTIFICIAL ORTHOTIC OR PROSTHETIC JOINT - The invention relates to a method and device for controlling an artificial orthotic or prosthetic joint of a lower extremity with a resistance device to which at least one actuator is associated, via which the bending and/or stretching resistance is changed depending on sensor data. During the use of the joint, status information is provided via sensors. According to the invention, the inertial angle of an thigh part is measured and the resistance is reduced, when the thigh part is at least 45° to the vertical and/or the knee angle is greater than 45°.08-23-2012
20120221119SYSTEMS AND CONTROL METHODOLOGIES FOR IMPROVING STABILITY IN POWERED LOWER LIMB DEVICES - Systems and methods are provided for controlling a lower limb device having at least one powered joint. The method includes detecting a stumble event based on one or more sensor signals associated with an overall motion lower limb device, classifying the stumble event based on sensor signals following the sensor signals associated with the stumble event, and selecting a stumble recovery strategy for the lower limb device based on the classification of the stumble event.08-30-2012
20130173019Lower Limb Prosthesis and Control Unit - A self-teaching lower limb prosthesis, for an above-knee amputee, including a dynamically adjustable joint movement control unit arranged to control operation of the joint automatically. A control unit electrically stores a target relationship between a kinetic or kinematic parameter of locomotion and walking speed. The relationship defines a number of values of the parameter associated with different walking speeds. The control unit generates monitoring signals representative of walking speed values and values of the parameter occurring at different walking speeds. An adjustment system adjusts the control unit automatically when the monitoring signals indicate deviation from the target relationship so as to bring the parameters close to that defined by the target relationship.07-04-2013
20120221120METHOD AND DEVICE FOR CONTROLLING AN ARTIFICIAL ORTHOTIC OR PROSTHETIC JOINT - The invention relates to a method and device for controlling an artificial orthotic or prosthetic joint of a lower extremity having a resistance device to which at least one actuator is associated, via which the bending and/or stretching resistance is changed depending on sensor data. During the use of the joint, status information is provided via sensors. During use of the joint, status information is provided via sensors, wherein a cyclic movement different from walking is determined and the resistance is reduced for the duration of the cyclic movement.08-30-2012
20100010639CONTROL DEVICE FOR WALKING ASSISTANCE DEVICE - A control device for a walking assistance device includes a seating section on which a user is seated, a pair of left and right foot sole installation sections fitted to the foot soles of the legs of the user, a pair of left and right leg links which connect the seating section to the foot sole installation sections, actuators which drive joints of the leg links, and an acting force detection means which detects force acting on the user from the seating section. The control device controls a driving force of at least one of the actuators according to the detected value of the acting force so that the force acting on the user is maintained at a least at a predetermined lower limit of upward force. Thus, desired user motions, such as jumping can be performed while appropriate force acts on the user from the seating section.01-14-2010
20120226364METHOD FOR CONTROLLING AN ORTHOTIC OR PROSTHETIC JOINT OF A LOWER EXTREMITY - The invention relates to a method for controlling an orthotic or prosthetic joint of a lower extremity with a resistance device to which at least one actuator is associated, via which the bending and/or stretching resistance is changed depending on sensor data. During the use of the joint, status information is provided via the sensors. The sensor data are determined by at least one device for detecting at least two moments or a moment and a force. The sensor data of at least two determined values are linked by means of a mathematical operation and at least one auxiliary variable is thus calculated, on which the control of the bending and/or stretching resistance is based.09-06-2012
20120259429POWERED JOINT ORTHOSIS - A powered device augments a joint function of a human during a gait cycle using a powered actuator that supplies an augmentation torque, an impedance, or both to a joint, and a controller that modulates the augmentation torque, the impedance, and a joint equilibrium according to a phase of the gait cycle to provide at least a biomimetic response. Accordingly, the device is capable of normalizing or augmenting human biomechanical function, responsive to a wearer's activity, regardless of speed and terrain.10-11-2012
20120259431TERRAIN ADAPTIVE POWERED JOINT ORTHOSIS - A powered device augments a joint function of a human during a gait cycle using a powered actuator that supplies an augmentation torque, an impedance, or both to a joint. A controller estimates terrain slope and modulates the augmentation torque and the impedance according to a phase of the gait cycle and the estimated terrain slope to provide at least a biomimetic response. The controller may also modulate a joint equilibrium. Accordingly, the device is capable of normalizing or augmenting human biomechanical function, responsive to a wearer's activity, regardless of speed and terrain, and can be used, for example, as a knee orthosis, prosthesis, or exoskeleton.10-11-2012
20120259430CONTROLLING POWERED HUMAN AUGMENTATION DEVICES - In a communication system for controlling a powered human augmentation device, a parameter of the powered device is adjusted within a gait cycle by wirelessly transmitting a control signal thereto, whereby the adjusted parameter falls within a target range corresponding to that parameter. The target range is selected and the device parameters are controlled such that the powered device can normalize or augment human biomechanical function, responsive to a wearer's activity, regardless of speed and terrain and, in effect, provides at least a biomimetic response to the wearer of the powered device.10-11-2012
20120232672SYSTEM AND METHOD FOR DETERMINING TERRAIN TRANSITIONS - A prosthetic or orthotic system including a sensor module and a processing module usable to determine a terrain variable, such as a terrain transition. In certain examples, the system is capable of anticipating a terrain transition prior to the user experiencing the terrain transition, which may include, for instance, a transition from level ground walking to walking on stairs or may include a change in a slope of the ground surface. In certain embodiments, the system advantageously monitors a posture and/or movement of the patient to anticipate the terrain transition. Furthermore, the system may control an actuator to appropriately adjust the prosthetic or orthotic device to encounter the anticipated terrain transition.09-13-2012
20120232674METHOD AND DEVICE FOR CONTROLLING AN ARTIFICIAL ORTHOTIC OR PROSTHETIC KNEE JOINT - The invention relates to a method for controlling an artificial orthotic or prosthetic joint of a lower extremity with a resistance unit to which at least one actuator is associated, via which the bending and/or stretching resistance is changed depending on sensor data. During the use of the joint, status information is provided via sensors. The invention further relates to a device for carrying out such a method. According to the invention, the bending resistance is increased or not lowered in the standing phase, when an inertial angle of a lower leg part decreasing in the direction of the vertical and a front foot under pressure at the same time are identified.09-13-2012
20120330439POWERED LEG PROSTHESIS AND CONTROL METHODOLOGIES FOR OBTAINING NEAR NORMAL GAIT - A powered leg prosthesis including a powered knee joint with a knee joint and a knee motor unit for delivering power to the knee joint, a powered ankle joint coupled to the knee joint including an ankle joint and an ankle motor unit to deliver power to the ankle joint, a prosthetic foot coupled to the ankle joint, a plurality of sensors for measuring a real-time input, and controller for controlling movement of the prosthesis based on the real-time input. In the powered leg prosthesis, at least one of the knee motor unit or the ankle motor unit includes at least one drive stage, where the drive stage includes a rotary element for generating torque and at least one looped element affixed around the rotary element and configured for transmitting the torque to another rotary element coupled to a joint to be actuated.12-27-2012
20100228360CONTROL OF A PASSIVE PROSTHETIC KNEE JOINT WITH ADJUSTABLE DAMPING - The invention relates to the control of a passive prosthetic knee joint with adjustable damping in the direction of flexion such that a prosthetic unit attached to the knee joint can be adapted for climbing stairs.09-09-2010
20120277883ORTHOPEDIC DEVICE - An orthopedic device includes two components that are configured to be movable relative to on another (e.g., longitudinally translatable, pivotable, etc.). The relative movement of the two components is transmitted as unidirectional mechanical energy by means of a transmitting mechanism which includes an energy accumulator connected to a generator. The mechanical energy is thereby converted to electric power.11-01-2012
20120290101ADJUSTING DEVICE AND METHOD FOR OPERATING AN ADJUSTING DEVICE - The invention relates to an adjusting device for a prosthetic device, having a drive (11-15-2012
20080243265METHOD AND APPARATUS FOR CONTROL OF A PROSTHETIC - A prosthetic device control apparatus is disclosed. The control apparatus includes at least one sensor worn by a user. The sensor(s) determines a user's movement. Also, a control module in communication with the sensor(s). The control module communicates movement information to a prosthetic. Also, a method for controlling a prosthetic device is disclosed. The method includes sensing a user's movement, communicating the movement through a control module to a prosthetic device; and controlling the movement of a prosthetic device.10-02-2008
20100234967ROTARY ACTUATOR ARRANGEMENT - A rotary actuator comprises a motor, gearing connected for driving by the motor, an output drive member and bearings for carrying the output drive member, wherein the gearing comprises wave generator gearing and the gearing is at least partially located radially within the bearings. In addition, an artificial limb member comprises an actuator to effect movement of the limb member, wherein the actuator comprises a motor connected to wave generator gearing.09-16-2010
20130144402TRANSFEMORAL PROSTHETIC SYSTEMS AND METHODS FOR OPERATING THE SAME - Certain embodiments of the invention relate to increasing the functionality of a transfemoral prosthetic device. In one embodiment, the transfemoral prosthetic device is configured such that the prosthetic knee maintains a load consistent with a healthy knee walking on level ground, while the prosthetic ankle adjusts for the incline or decline. In certain embodiments, adjustments, such as a toe lift function, are automatically performed after about three strides of the transfemoral prosthetic device user and/or when each of the strides has a stride speed of at least about 0.55 meters/second.06-06-2013
20080215161SYSTEM AND METHOD FOR MOTION-CONTROLLED FOOT UNIT - A system and method associated with the movement of a limb. In one example, the system, such as a prosthetic or orthotic system, includes an actuator that actively controls, or adjusts, the angle between a foot unit and a lower limb member. A processing module may control movement of the actuator based on data obtained from a sensor module. For instance, sensing module data may include information relating to the gait of a user and may be used to adjust the foot unit to substantially mimic the movement of a natural, healthy ankle. The system may further accommodate, for example, level ground walking, traveling up/down stairs, traveling up/down sloped surfaces, and various other user movements. In addition, the processing module may receive user input or display output signals through an external interface. For example, the processing module may receive a heel height input from the user.09-04-2008
20100204804FOREARM ROTATION MECHANISM AND ORTHESIS WHICH INCLUDES SUCH A MECHANISM - Rotation mechanism for a forearm which includes a moving stay (08-12-2010
20130150980Powered Lower Extremity Orthotic and Method of Operation - A powered lower extremity orthotic, including a shank link coupled to an artificial foot, a knee mechanism connected to the shank link and a thigh link, is controlled by based on signals from various orthotic mounted sensors such that the artificial foot follows a predetermined trajectory defined by at least one Cartesian coordinate.06-13-2013
20100318194Prosthesis with chargeable electric energy accumulator - The invention relates to a prosthesis with an electric energy accumulator (12-16-2010
20120283845BIOMIMETIC JOINT ACTUATORS - In a powered actuator for supplying torque, joint equilibrium, and/or impedance to a joint, a motor is directly coupled to a low-reduction ratio transmission, e.g., a transmission having a gear ratio less than about 80 to 1. The motor has a low dissipation constant, e.g., less than about 50 W/(Nm)11-08-2012
20120283844IMPEDANCE SIMULATING MOTION CONTROLLER FOR ORTHOTIC AND PROSTHETIC APPLICATIONS - An impedance simulating motion controller for orthotic and prosthetic devices includes an equilibrium trajectory generator that receives locomotion data regarding the locomotion of a user, a dynamic trajectory compensator that generates one or more control parameters based on the locomotion data and one or more physiological characteristics of the user, and a dynamic gain tuner that adjusts the one or more control parameters based on a gain scaling factor that is calculated using a measured deflection point and an expected deflection point. The adjusted control parameters are used to control movement of an actuator of an orthotic or prosthetic device.11-08-2012
20120016492TRANSFEMORAL PROSTHETIC SYSTEMS AND METHODS FOR OPERATING THE SAME - Certain embodiments of the invention relate to increasing the functionality of a transfemoral prosthetic device. In one embodiment, the transfemoral prosthetic device is configured such that the prosthetic knee maintains a load consistent with a healthy knee walking on level ground, while the prosthetic ankle adjusts for the incline or decline. In certain embodiments, adjustments, such as a toe lift function, are automatically performed after about three strides of the transfemoral prosthetic device user and/or when each of the strides has a stride speed of at least about 0.55 meters/second.01-19-2012
20130268090SYSTEM AND METHOD FOR PROVIDING BIOMECHANICALLY SUITABLE RUNNING GAIT IN POWERED LOWER LIMB DEVICES - Systems and methods for a running controller for a lower limb device including at least a powered knee joint are provided. The method includes collecting real-time sensor information for the lower limb device and configuring the lower limb device to a first state in a finite state model for an activity mode including the running mode. The method further includes, based on the sensor information, transitioning the lower limb device from a current state to a subsequent state in the finite state model for the detected mode when a pre-defined criteria for transitioning to the subsequent state is met, and repeating the transitioning until the activity mode changes. In the system and method, the finite state model includes at least one stance state and at least one swing state, where the at least one stance state includes at least one absorption state and at least one propulsion state.10-10-2013
20130024006PROSTHESIS STRUCTURE FOR LOWER-LIMB AMPUTEES - A prosthesis for lower-limb amputees having a foot segment and a tibial segment pivotally connected to each other about an articulation axis that perform an ankle joint of a leg/foot prosthesis. The leg-foot prosthesis has a gear motor whose axis coincides with the axis of the tibia. From the gear motor a pinion gear extends below with conical toothed shape that meshes with a toothed arch present on the foot. This way, the gear motor operates the relative movement between tibia and foot and varies the relative angle θ. The gear motor can be associated with a microprocessor that is adapted to control the movement of the ankle joint. To obtain that, the microprocessor communicates with a position transducer provided at the articulation axis of the ankle that measure the rotation of the ankle, i.e. the angle θ.01-24-2013
20130274894COORDINATING OPERATION OF MULTIPLE LOWER LIMB DEVICES - Systems and methods for operating autonomous lower limb devices, including at least one adjustable joint and configured for at least supporting a body are provided. A method includes collecting real-time sensor information associated with the autonomous lower limb device. The method also includes receiving, over a communications link, remote data for at least one other lower limb device configured for supporting the body. The method further includes generating control data for transitioning the autonomous lower limb device from a current state in a current finite state model for operating the autonomous lower limb device to a different state in the current finite state model, where the different state is selected based on the real-time sensor information and the remote data.10-17-2013
623025000 Bioelectrical (e.g., myoelectric, etc.) 20
20100106259Conducting polymer nanowire brain-machine interface systems and methods - The present invention relates to conducting polymer nanowires and their use in a brain-machine interface which is secure, robust and minimally invasive. In accordance with a first aspect of the present invention, a vascular-based brain-machine interface comprising conducting polymer nanowires is disclosed.04-29-2010
20130046394SYSTEMS AND METHODS OF MYOELECTRIC PROSTHESIS CONTROL - Embodiments of the invention provides myoelectric prosthesis control system that include a gel liner that has a plurality of layers and a plurality of leads at least partially positioned between the plurality of layers. In addition, a plurality of electrodes can be coupled to the leads and portions of the electrodes can also be positioned between the plurality of layers. At least some of the electrodes can include an electrode pole that is configured to contract the residual limb to detect electromyographic signals.02-21-2013
20120116537OUTER EAR MUSCULATURE DETECTION MEANS - The invention relates to an auxiliary device for a living being having a) a means for detecting outer ear musculature (05-10-2012
20120078381HUMAN-MACHINE INTERFACE BASED ON TASK-SPECIFIC TEMPORAL POSTURAL SYNERGIES - A synergy-based human-machine interface that uses low-dimensional command signals to control a high dimensional virtual, robotic or paralyzed human hand is provided. Temporal postural synergies are extracted from angular velocities of finger joints of five healthy subjects when they perform hand movements that are similar to activities of daily living. Extracted Synergies are used in real-time brain control, where a virtual, robotic or paralyzed human hand is controlled to manipulate virtual or real world objects.03-29-2012
20130218295CONTROL SYSTEMS AND METHODS FOR GAIT DEVICES - Methods for controlling gait devices include measuring kinematic and/or loading states of limb or robotic segments; conditioning the resulting state measurement by any combination or order of integration, differentiation, filtering, and amplification; transforming conditioned state measurements by coordinate transformation; optionally conditioning the transformed state measurements a second time in a manner similar to the first conditioning step; and using the transformed or conditioned transformed state measurements as independent variables in a predetermined reference function to calculate a desired reference command for any number of actuators.08-22-2013
20090319054WEARABLE ACTION-ASSIST DEVICE, AND METHOD AND PROGRAM FOR CONTROLLING WEARABLE ACTION-ASSIST DEVICE - A wearable action-assist device which assists or executes an action of a wearer by substituting for the wearer is provided with an action-assist tool 12-24-2009
20100063601Motion assistive device and maintenance management system for motion assistive device - An operating status of a motor in a drive unit is analyzed to extend the life of the motor. A wearable motion assistive device 03-11-2010
20090216339Through-Liner Electrode System for Prosthetics and the Like - A system for passing myoelectric signals through a suspension liner of a prosthetic device, the suspension liner having an inner surface that is in contact with a user's skin and an outer surface that is adjacent to an outer socket of the prosthetic device. The system in one embodiment includes a flexible conductive electrode insert defining a first portion located on or adjacent the inner surface of the suspension liner such that it touches the user's skin, a second portion passing through the suspension liner, and a third portion on the outer surface of the suspension liner, and an adhesive that adheres at least the second and third portions of the insert to the suspension liner.08-27-2009
20100280628WEARABLE ACTION-ASSIST DEVICE, AND METHOD AND PROGRAM FOR CONTROLLING WEARABLE ACTION-ASSIST DEVICE - A wearable action-assist device which assists or executes an action of a wearer by substituting for the wearer is provided with an action-assist tool 11-04-2010
20100030341SYSTEM LINER AND MYOELECTRONIC ELECTRODE UNIT SYSTEM - The invention relates to a myoelectrical electrode unit for a prosthetic device, which includes a liner positioned between an amputation stump and the prosthetic device and a myoelectrical electrode unit for detecting and transmitting myoelectrical signals to control the prosthetic device.02-04-2010
20120310370SYSTEMS AND METHODS FOR PROVIDING A NEURAL-MACHINE INTERFACE FOR ARTIFICIAL LEGS - A neural-machine interface system is disclosed for providing control of a leg prosthesis. The system includes a plurality of input channels for receiving electromyographic signals from a subject, a feature vector formation unit for processing the electromyographic signals, and a pattern classification unit for identifying the intended movement of the subject's leg prosthesis.12-06-2012
20090030529TOTALLY IMPLANTABLE HEARING PROSTHESIS - The invention comprises a totally implantable hearing prosthesis for hearing impaired persons. An inertial vibrational element is hermetically sealed and implanted in bone between the lateral and superior semicircular canals without breaching the integrity of the canals. The vibrational element is adapted to vibrate the walls of the canals and the fluids contained therein, thereby vibrating contiguous fluids within the cochlea thus stimulating hair cells and creating a hearing percept. The invention can also be adapted to be a tinnitus masking system, and/or used in combination with a cochlear implant hearing system.01-29-2009
20120004736SYSTEMS AND METHOD FOR VOLITIONAL CONTROL OF JOINTED MECHANICAL DEVICES BASED ON SURFACE ELECTROMYOGRAPHY - Systems and methods for controlling a weight bearing member having at least one powered joint are provided. A system includes a velocity reference module for receiving myoelectric control signals from a user during a non-weight bearing mode for the powered joint and generating a velocity reference for the powered joint based on the myoelectric control signals. The system further includes a volitional impedance module for generating a torque control signal for actuating the powered joint based at least on the velocity reference.01-05-2012
20120232675SYSTEM AND METHOD FOR ACQUIRING AND PROCESSING MYOELECTRIC SIGNALS IN ORDER TO CONTROL A PROSTHETIC ARM - The invention relates to a system for acquiring and processing myoelectric signals in order to control a prosthetic arm, comprising: a pair of electrodes positioned in a muscle in the residual limb of an arm that has been amputated in order to detect myoelectric signals; an electrode positioned at a distance from said pair of electrodes, which acts as an earth system; a myoelectric signal conditioning means; and a prosthesis controlling and processing means which receives conditioned signals from the conditioning means. According to the invention, the prosthesis controlling and processing means includes: a comparison means for comparing a muscle contraction time and a muscle contraction voltage with a threshold time and a threshold voltage, respectively; and an activation means for activating at least one motor which produces a pre-determined movement of the prosthesis in response to an activation signal transmitted from the aforementioned comparison means. The electrodes provide the myoelectric signal for activating different movements of the prosthesis, without the electrodes having to be changed to another muscle.09-13-2012
20110004322WEARABLE ACTION-ASSIST DEVICE AND CONTROL PROGRAM - A wearable action-assist device includes a biosignal detection unit detecting a biosignal from a wearer, an action-assist wearing tool having a drive source supplying a torque acting on the wearer around each joint of the wearer as an axis of rotation, a control unit controlling the drive source to generate the torque according to the detected biosignal, a drive torque estimation unit estimating a drive torque generated by the drive source, a joint-angle detecting unit detecting an angular displacement of the joint, and a parameter identification unit identifying kinetics parameters concerned by substituting the estimated drive torque and the detected angular displacement into an equation of motion of an entire system including kinetics parameters intrinsic to the wearer. The control unit is configured to control the drive source according to a predetermined control method based on the equation of motion into which the identified parameters are substituted.01-06-2011
20120101596METHOD FOR SETTING UP A CONTROL AND TECHNICAL ORTHOPEDIC DEVICE - The invention relates to a method for setting up a control, and to a control for a technical orthopedic device, and a technical orthopedic device as such. Actuations of the technical orthopedic device (04-26-2012
20120101595COMMUNICATION INTERFACE FOR SENSORY STIMULATION - Techniques, apparatuses, and systems for interfacing multiple sensors with a biological system can include amplifying signals from respective sensors associated with an external device; modulating the amplified signals based on respective different frequency values; and summing the modulated signals to produce an output signal to stimulate a biological system.04-26-2012
20130197669MYOELECTRIC ELECTRODE ASSEMBLY - A myoelectric electrode assembly for a prosthesis comprising a retention ring adapted to be inserted into a correspondingly shaped aperture in the wall of the prosthesis. The assembly also has a myoelectric electrode unit held within the retention ring by means of a gasket which surrounds the electrode unit and is in sealing engagement therewith. A portion of the gasket is received in and sealingly engages with an annular recess around the inside of the retention ring.08-01-2013
20120296445LINER HAVING AN INTEGRATED ELECTRODE - The invention relates to a liner that is intended to be pulled over an amputation stump, is made of an electrically non-conducting material, has a form that is adapted or that adapts to the amputation stump, has an inner wall (11-22-2012
20120296444Cortical Interface for Motor Signal Recording and Sensory Signal Stimulation - The present invention consists of an implantable device with at least one package that houses electronics that sends and receives data or signals, and optionally power, from an external system through at least one coil attached to the at least one package and processes the data, including recordings of neural activity, and delivers electrical pulses to neural tissue through at least one array of multiple electrodes that is/are attached to the at least one package. The device is adapted to electrocorticographic (ECoG) and local field potential (LFP) signals. The output signals provide control for a motor prosthesis and the inputs signals provide sensory feedback for the motor prosthesis. The invention, or components thereof, is/are intended to be installed in the head, or on or in the cranium or on the dura, or on or in the brain.11-22-2012

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