Ossur Hf

Domosys Corporation

Other

Ossur Iceland Ehf

Neurostream Technologies General Partnership

B-temia Inc.

Yves Roy

David Langlois

Matheson Rittenhouse

Stephane Bedard

Benoit Gilbert

Stéphane Bédard

Pierre Longtin

Eric Lesguillier

Dany Lachance

Eric Bharucha

Stéphane Bedard

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.

Prosthetic and orthotic devices and methods and systems for controlling the same

A load distribution device that transfers the musculo-skeletal stress at a joint to associated body segments of a given joint-segments body structure. The device includes a proximal support element adapted to be positioned onto a proximal body segment, a distal support element adapted to be positioned onto a distal body segment, a compensating joint movably connecting the proximal and distal support elements, a control system operatively connected to the compensating joint and a power source supplying power to the control system and the compensating joint. During user executed movements, the compensating joint generates or dissipates, under the directions of the control system a preset level of biomechanical energy corresponding to a user desired musculo-skeletal stress reduction at the joint-segments structure in order to compensate the movements of the user, the biomechanical energy being redistributed onto the proximal and distal body segments via the corresponding proximal and distal support elements.

Load distribution device for human joints

An implantable pulse generator for providing at least one of a voltage and a current stimulation to a tissue of a subject through trough at least two electrodes adapted to be in electrical contact with the tissue of the subject, the implantable pulse generator comprising a stimulation circuit coupled to the at least two electrodes, the stimulation circuit including at least one dual-mode voltage and current source, wherein the stimulation circuit can operate alternatively in a voltage stimulation mode and in a current stimulation mode. The implantable pulse generator also comprises a processing unit coupled to the stimulation circuit, the processing unit being so configured as to control the mode of operation of the stimulation circuit. The implantable pulse generator may also comprise a monitoring unit coupled to the stimulation circuit and the processing unit; the monitoring unit being so configured as to provide feedback signals relating to electrical characteristics of the tissue from the stimulation circuit to the processing unit.

Implantable pulse generator

The present invention discloses an apparatus and a method of modulating a carrier with digital information having a series of datums represented in a plurality of symbols, the method comprising selecting a first number of half-periods of a first phase distinguished carrier signal for representing a corresponding symbol of a first one of the datums, selecting a second number of half-periods of a second phase distinguished carrier signal for representing a corresponding symbol of the datum following the first datum, determining at least one matching carrier signal having a third number of half-periods of a format to conform to a transition of the first phase distinguished carrier signal to the second phase distinguished carrier signal, and sequentially arranging the first number of half-periods of the first phase distinguished carrier signal, the third number of half-periods of the matching carrier signal and the second number of half-periods of the second phase distinguished carrier signal.

Digital modulation and shift keying

The power line communication system includes a transmitter and a receiver, both providing a communication path between two communication control devices over a power line. The transmitter includes a voltage amplifier and a current amplifier. A switch between the transmit and receive modes is implemented within the voltage amplifier. The current amplifier also has a two-step output impedance. When the transmitter is active, the current amplifier shows a low impedance on the line to overcome other loads. If, however, the communication medium shows a high level of noise, the output impedance of the current amplifier decreases even further and creates a path to ground. The receiver advantageously uses a logarithmic amplifier for signal range compression. This type of amplifier preserves the shape of the signal that is important when the modulation scheme uses the zero crossings to store information. At the receiver, the communications control device mixes a reference signal with signals received on the power line. The mixed signal is then amplified before passing to the receiver output. At the communication control device, the reference signal is demodulated so as to detect whether what is received is noise or a communication signal.

Power line communication system and method

Growing community of inventors

Beauport, Canada

Yves Roy