Patents by Inventor Elliott J. Rouse
Elliott J. Rouse has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240077848Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for an exosuit activity transition control structure. In some implementations, sensor data for a powered exosuit is received. The sensor data is classified depending on whether the sensor data is indicative of a transition between different types of activities of a wearer of the powered exosuit. The classification is provided to a control system for the powered exosuit. The powered exosuit is controlled based on the classification.Type: ApplicationFiled: November 9, 2023Publication date: March 7, 2024Applicant: Skip Innovations, Inc.Inventors: Kathryn Jane Zealand, Elliott J. Rouse, Georgios Evangelopoulos
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Patent number: 11853034Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for an exosuit activity transition control structure. In some implementations, sensor data for a powered exosuit is received. The sensor data is classified depending on whether the sensor data is indicative of a transition between different types of activities of a wearer of the powered exosuit. The classification is provided to a control system for the powered exosuit. The powered exosuit is controlled based on the classification.Type: GrantFiled: December 3, 2020Date of Patent: December 26, 2023Assignee: Skip Innovations, Inc.Inventors: Kathryn Jane Zealand, Elliott J. Rouse, Georgios Evangelopoulos
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Publication number: 20230310250Abstract: The present disclosure provides an exoskeleton mechanism for supporting a joint. The exoskeleton mechanism includes a brace having a first arm and a support arm, the support arm pivotably connected to the first arm. The exoskeleton mechanism further includes a spring secured to the first arm, the spring having a first length at an equilibrium position and a second length at a displaced position, a spring force generated by the spring when the spring is in the displaced position. Additionally, the exoskeleton mechanism has a cable having a first end and a second end, the first end coupled to the support arm and the second end coupled to the spring such that rotation of the support arm relative to the first arm causes the spring to move to the displaced position and the spring force is transferred to the support arm.Type: ApplicationFiled: March 29, 2023Publication date: October 5, 2023Inventors: Austin Carr, Christopher Colón, Matthew Rudy, John Ike Smith, Alex Turk, Elliott J. Rouse, William Grundfest, Zachary Grundfest
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Publication number: 20220160523Abstract: Techniques are provided for using machine learning methods to predict user preferences with respect to robotic assistive prostheses and/or custom tune the robotic assistive prostheses for individual users based on the predicted user preferences. A training biomechanical dataset, including historical biomechanical sensor data for a robotic assistive prosthetic device operating using a plurality of tuning settings at a plurality of speeds, and a training user preference dataset including historical user tuning preference data for the robotic assistive prosthetic device for each respective tuning setting and speed, are generated. A machine learning model is trained using the training biomechanical dataset and the training user preference dataset.Type: ApplicationFiled: November 24, 2021Publication date: May 26, 2022Inventors: Elliott J. Rouse, Ung Hee Lee, Varun Shetty
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Publication number: 20220096249Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for an exosuit activity transition control structure. In some implementations, sensor data representing an estimate of sensor data that will be produced by sensors of an exosuit at a particular time in the future is generated, where the exosuit is configured to assist mobility of a wearer. Actual sensor data that is generated using the sensors of the exosuit is obtained. A measure of uncertainty is determined based on the forecasted sensor data and the actual sensor data. Based on the measure of uncertainty, a control action for the exosuit to adjust an assistance provided to the wearer is determined.Type: ApplicationFiled: July 30, 2021Publication date: March 31, 2022Inventors: Elliott J. Rouse, Georgios Evangelopoulos, Kathryn Jane Zealand
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Publication number: 20220004167Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for generating, using, or both, exosuit historical data. In some implementations, (i) sensor data generated by sensors of an exosuit worn by a user and (ii) control data indicating actions performed by or control signals generated by the exosuit based on the sensor data while worn by the user are received. The sensor data and the control data are added to a database that includes historical data describing use of the exosuit over time by the user. A control scheme of the exosuit is customized for the user by updating the one or more machine learning models or settings that govern the application of the one or more machine learning models. Forces provided by one or more actuators of the exosuit are controlled using the updated one or more machine learning models or the updated settings.Type: ApplicationFiled: July 2, 2021Publication date: January 6, 2022Inventors: Kathryn Jane Zealand, Joseph Hollis Sargent, Georgios Evangelopoulos, Elliott J. Rouse
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Publication number: 20210349445Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for an exosuit activity transition control structure. In some implementations, sensor data for a powered exosuit is received. The sensor data is classified depending on whether the sensor data is indicative of a transition between different types of activities of a wearer of the powered exosuit. The classification is provided to a control system for the powered exosuit. The powered exosuit is controlled based on the classification.Type: ApplicationFiled: December 3, 2020Publication date: November 11, 2021Inventors: Kathryn Jane Zealand, Elliott J. Rouse, Georgios Evangelopoulos
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Publication number: 20210307938Abstract: A cam system for an assistive device and related methods are disclosed. The cam system may comprise a multi (e.g., dual) cam profile and a cam follower.Type: ApplicationFiled: May 22, 2019Publication date: October 7, 2021Inventors: Elliott J. Rouse, Maxwell Shepherd, Hashim Quraishi, Leo Mcmanus
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Patent number: 11033408Abstract: Implementations of a quasi-passive assistive device are disclosed. Such a device may comprise a spring mechanism that increases stiffness similar to a biological ankle. In one implementation, the spring mechanism may comprise a piston, valve, springs, or other elements to match a biological stiffness profile similar to that of a biological ankle. In one implementation, an apparatus for an artificial ankle is disclosed, comprising a piston coupled to a spring and the piston connected to a valve. The spring and the piston may store energy during dorsiflexion of the ankle and the spring and the piston release energy during plantarflexion of the ankle. The piston may store and release energy through the use of the valve.Type: GrantFiled: March 11, 2019Date of Patent: June 15, 2021Assignee: REHABILITATION INSTITUTE OF CHICAGOInventors: Luke M. Mooney, Elliott J. Rouse
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Patent number: 10806602Abstract: A cam system for an assistive device and related methods are disclosed. The cam system may comprise a cam profile and a cam follower. The cam profile has a curved outer edge comprising a concave portion. The cam follower is positioned within the concave portion when the assistive device is in an equilibrium position. The assistive device may further comprise a spring that deflects in response to a force applied by the cam system. The assistive device may have a sliding element to adjust the stiffness of the spring in deflection. The assistive device may take the form of a prosthesis or an orthosis.Type: GrantFiled: October 3, 2017Date of Patent: October 20, 2020Assignees: Rehabilitation Institute of Chicago, Northwestern UniversityInventors: Elliott J. Rouse, Max K. Shepherd
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Patent number: 10561563Abstract: A link extends between a distal member and a proximal member of a wearable device, such as an exoskeleton, orthosis or prosthesis for a human lower limb. One or other of the distal member and the proximal member includes a crossing member. The link extends from the crossing member of the distal member or the proximal member, to the other of the distal member or the proximal member. Actuation of the link translates to a force at the distal or proximal member that is normal to a major longitudinal axis extending through the distal and proximal members. In one embodiment, a sliding link of a device configured for use with a human joint tracks two degrees of freedom of the joint.Type: GrantFiled: December 16, 2014Date of Patent: February 18, 2020Assignee: Massachusetts Institute of TechnologyInventors: Hugh M. Herr, Luke M. Mooney, Elliott J. Rouse, Jiun-Yih Kuan, Kenneth A. Pasch
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Patent number: 10363157Abstract: Systems and methods for providing torque to an assistive device are disclosed. In an embodiment, an apparatus comprises a material arranged to define a volume of space. The material may comprise a flexible portion and having a first surface and a second surface. The material may have a first position, in which the material is bent along the flexible portion and the first surface contacts the second surface. When the material is in the first position, an increase in pressure to the space creates a force between the first surface and the second surface. The material transitions from the first position to a second position in response to the force between the first surface and the second surface. The apparatus may be attached to an assistive device or other machine, such as an orthosis or prosthesis, in order to provide a torque.Type: GrantFiled: November 9, 2016Date of Patent: July 30, 2019Assignee: Rehabilitation Institute of ChicagoInventors: Elliott J. Rouse, Christopher Nesler
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Publication number: 20190201217Abstract: Implementations of a quasi-passive assistive device are disclosed. Such a device may comprise a spring mechanism that increases stiffness similar to a biological ankle. In one implementation, the spring mechanism may comprise a piston, valve, springs, or other elements to match a biological stiffness profile similar to that of a biological ankle. In one implementation, an apparatus for an artificial ankle is disclosed, comprising a piston coupled to a spring and the piston connected to a valve. The spring and the piston may store energy during dorsiflexion of the ankle and the spring and the piston release energy during plantarflexion of the ankle. The piston may store and release energy through the use of the valve.Type: ApplicationFiled: March 11, 2019Publication date: July 4, 2019Inventors: Luke M. Mooney, Elliott J. Rouse
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Patent number: 10226361Abstract: Implementations of a quasi-passive assistive device are disclosed. Such a device may comprise a spring mechanism that increases stiffness similar to a biological ankle. In one implementation, the spring mechanism may comprise a piston, valve, springs, or other elements to match a biological stiffness profile similar to that of a biological ankle. In one implementation, an apparatus for an artificial ankle is disclosed, comprising a piston coupled to a spring and the piston connected to a valve. The spring and the piston may store energy during dorsiflexion of the ankle and the spring and the piston release energy during plantarflexion of the ankle. The piston may store and release energy through the use of the valve.Type: GrantFiled: August 25, 2016Date of Patent: March 12, 2019Assignee: Rehabilitation Institute of ChicagoInventors: Luke M. Mooney, Elliott J. Rouse
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Publication number: 20180092761Abstract: A cam system for an assistive device and related methods are disclosed. The cam system may comprise a cam profile and a cam follower. The cam profile has a curved outer edge comprising a concave portion. The cam follower is positioned within the concave portion when the assistive device is in an equilibrium position. The assistive device may further comprise a spring that deflects in response to a force applied by the cam system. The assistive device may have a sliding element to adjust the stiffness of the spring in deflection. The assistive device may take the form of a prosthesis or an orthosis.Type: ApplicationFiled: October 3, 2017Publication date: April 5, 2018Applicant: Northwestern UniversityInventors: Elliott J. Rouse, Max K. Shepherd
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Publication number: 20170128237Abstract: Systems and methods for providing torque to an assistive device are disclosed. In an embodiment, an apparatus comprises a material arranged to define a volume of space. The material may comprise a flexible portion and having a first surface and a second surface. The material may have a first position, in which the material is bent along the flexible portion and the first surface contacts the second surface. When the material is in the first position, an increase in pressure to the space creates a force between the first surface and the second surface. The material transitions from the first position to a second position in response to the force between the first surface and the second surface. The apparatus may be attached to an assistive device or other machine, such as an orthosis or prosthesis, in order to provide a torque.Type: ApplicationFiled: November 9, 2016Publication date: May 11, 2017Inventors: Elliott J. Rouse, Christopher Nesler
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Publication number: 20170056209Abstract: Implementations of a quasi-passive assistive device are disclosed. Such a device may comprise a spring mechanism that increases stiffness similar to a biological ankle. In one implementation, the spring mechanism may comprise a piston, valve, springs, or other elements to match a biological stiffness profile similar to that of a biological ankle. In one implementation, an apparatus for an artificial ankle is disclosed, comprising a piston coupled to a spring and the piston connected to a valve. The spring and the piston may store energy during dorsiflexion of the ankle and the spring and the piston release energy during plantarflexion of the ankle. The piston may store and release energy through the use of the valve.Type: ApplicationFiled: August 25, 2016Publication date: March 2, 2017Inventors: Luke M. Mooney, Elliott J. Rouse
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Publication number: 20150209214Abstract: A link extends between a distal member and a proximal member of a wearable device, such as an exoskeleton, orthosis or prosthesis for a human lower limb. One or other of the distal member and the proximal member includes a crossing member. The link extends from the crossing member of the distal member or the proximal member, to the other of the distal member or the proximal member. Actuation of the link translates to a force at the distal or proximal member that is normal to a major longitudinal axis extending through the distal and proximal members. In one embodiment, a sliding link of a device configured for use with a human joint tracks two degrees of freedom of the joint.Type: ApplicationFiled: December 16, 2014Publication date: July 30, 2015Inventors: Hugh M. Herr, Luke M. Mooney, Elliott J. Rouse, Jiun-Yih Kuan