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Phase II
Ekso Bionics, Inc.
-
Ekso Bionics, Inc.
STTR Phase II: In-Home Rehabilitation System for Post Stroke Patients
Contact
1414 Harbour Way South
Richmond, CA 94804-3628
NSF Award
0924037 – STTR Phase II
Award amount to date
$1,024,000
Start / end date
08/01/2009 – 09/30/2013
Errata
Please report errors in award information by writing to awardsearch@nsf.gov.
Abstract
This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5).
This Small Business Technology Transfer (STTR) Phase II project proposes to create an in-home gait training device that allows a post-stroke patient to undergo rehabilitation with little or no assistance. Approximately 500,000 Americans survive a stroke each year. Miraculously, most stroke survivors can relearn skills, such as walking, that are lost when part of the brain is damaged. They can relearn walking most effectively if they are aided in making the correct motions by a machine or a physical therapist while attempting to walk. This training is expensive and requires the patient to make regular visits to a stroke center or qualified physical therapy center. Berkeley Bionics proposes to create a lightweight robotic exoskeleton which cradles a patient?s lower extremities and torso, and maneuvers their rehabilitating limbs for them.
The broader impacts of this research are immense. These devices could move most post-stroke rehabilitation out of the clinical setting thereby reducing labor costs dramatically. The gait training exoskeletons will be wearable, very unobtrusive, and allow patients to maneuver in the real world. Patients would therefore be able to wear such devices for most of the day, thus remaining mobile and gaining the therapeutic effects of physical therapy over the course of a day, rather than just a short session. Furthermore, creating such a device will also give clinicians an alternative to the wheelchair to assist patients who are unable to recover adequate mobility to function in their daily lives. This could potentially reduce unhealthy effects of wheelchair use for millions. -
Ekso Bionics, Inc.
STTR Phase II: Lower Extremity Exoskeleton Assist Device for Reducing the Risk of Back Injuries among Workers
Contact
1414 Harbour Way South
Richmond, CA 94804-3628
NSF Award
0956801 – STTR Phase II
Award amount to date
$500,000
Start / end date
02/01/2010 – 07/31/2012
Errata
Please report errors in award information by writing to awardsearch@nsf.gov.
Abstract
This Small Business Technology Transfer (STTR) Phase II project proposes will study the technology barriers associated with creating exoskeleton assist devices for workers in distribution centers and automobile assembly plants. By using these devices, workers can dramatically reduce the load in the
vertebrae of the lower back when maneuvering parts and boxes. The assist device will take the majority of the load off of the user?s body. Such collaboration between humans and machines has the benefit of the intellectual advantage of humans coupled with the strength advantage of machines. The proposed project involves the University of California at Berkeley as research partner, General Motors Corporation, and the U.S. Postal Service. The end goal is a reduction in back injuries in the workplace which are considered by OSHA the nation?s number one workplace safety problem.
The broader impacts of this research are reduced worker?s compensation insurance costs, reduced disability payments, increased worker productivity, and the ability for workers to keep working into their older years. Furthermore, these new devices will open an entirely new market which will serve an important role in establishing the United States as the number one player in the emerging field of bionics. Additionally, establishing this market for exoskeletons will enable the development of other exoskeleton markets which include military exoskeletons for carrying backpack and body armor loads, rescue worker exoskeletons, stair climbing exoskeletons for urban firefighters, and wild-land firefighter exoskeletons. The potential impacts to worker safety and American quality of life are large and diverse. -
Ekso Bionics, Inc.
STTR Phase II: Integrated Powered Knee-Ankle Prosthetic System
Contact
1414 Harbour Way South
Richmond, CA 94804-3628
NSF Award
1026872 – SBIR Phase II
Award amount to date
$1,032,000
Start / end date
09/15/2010 – 02/28/2015
Errata
Please report errors in award information by writing to awardsearch@nsf.gov.
Abstract
This Small Business Technology Transfer (STTR) Phase II project proposes the development of an integrated powered knee-ankle prosthesis. The objective of this proposal is to investigate the use of integrated powered knee and ankle joints in trans-femoral prostheses that use sensory information from the ground and the wearer. The hypothesis is that a prosthesis with actively powered knee and ankle joints will significantly enhance the mobility of trans-femoral amputees while walking on level grounds, as well as stairs and slopes. The inability to deliver power to prosthetic systems has significantly impaired their ability to restore many locomotive functions. This proposal will derive a set of guidelines on design and control of an integrated powered knee and ankle prosthetic system which will improve locomotion function such as walking up stairs, walking up slopes, running, jumping, and as hypothesized in this proposal, even level walking. The proposed work will result in new theoretical frameworks for control and sensory systems, and the design of such systems. Major intellectual contributions will include the design of power systems; development of the sensory system to obtain information from the ground and from the user; the development of a control framework for the interactive control of prostheses; and the development of adaptive and robust controllers for impedance modulation during locomotion.
This project intends to create principles that provide significantly greater functional capabilities for above-knee amputees. Specifically, our work will enable more natural, stable, and adaptable prostheses. These research elements in this proposal will also form a foundation for powered orthotic systems. Additional significant benefits of this work include fostering a broader awareness and increased sensitivity of young engineers and educational institutions to disability issues. Limb loss is also afflicting a growing number of military personnel serving in recent conflicts, as well as a far larger number of veterans from previous wars. The recent Middle East conflicts have resulted in a number of young amputees, many of whom still shoulder the responsibility of raising families and anticipate a working life ahead of them. The integrated knee-ankle prosthetic proposed here will have a direct impact on the mobility of the trans-femoral amputees and their quality of life, and most likely alleviate the long-term consequences related to musculoskeletal health.
Phase I
Ekso Bionics, Inc.
-
Ekso Bionics, Inc.
SBIR Phase I: Cooperative Overground Gait Rehabilitation
Contact
1414 Harbour Way South
Richmond, CA 94804-3628
NSF Award
1248509 – SBIR Phase I
Award amount to date
$180,000
Start / end date
01/15/2013 – 12/31/2013
Errata
Please report errors in award information by writing to awardsearch@nsf.gov.
Abstract
This Small Business Innovation Research (SBIR) Phase I project seeks to address the significant technical barriers associated with an untethered overground cooperative gait rehabilitation exoskeleton. Current gait rehabilitation techniques available to patients with gait abnormalities include conventional therapist based rehabilitation and more recently Body Weight Support Treadmill (BWST) robotic rehabilitation. The leading BWST devices employ a cooperative gait rehabilitation approach that varies the assistance to the user based on their ability. The conventional therapy approach is extremely labor intensive, but while the BWST therapy is the leading alternative it has shown mixed results. Researchers hypothesize that this is due to differences in the trained gait between BWST walking and overground walking. Mobile exoskeletons have emerged to better imitate overground walking, but to date no mobile device has implemented a cooperative control strategy, mainly due to the technical issues associated with its use. This SBIR intends to develop novel advances in cooperative rehabilitation control strategies along with innovative actuator designs to make possible the first mobile overground gait rehabilitation exoskeleton that implements a cooperative strategy. Specifically, it will address the major technical barriers to achieving this goal to increase the chances of successfully developing this technology in Phase II.
The broader impact/commercial potential of this project could directly impact the lives of patients with impaired gaits from a variety of symptoms including post-stroke, incomplete spinal cord injury, and multiple sclerosis. It is estimated that nearly 2 million patients in the U.S. could currently benefit from improved gait rehabilitation therapy. This technology can be sold directly to rehabilitation hospitals through existing distribution channels. This technology will have a significant impact on the lives of patients undergoing gait rehabilitation. It will enable a new level of effectiveness by providing a novel cooperative rehabilitation approach on an overground device. Existing conventional therapy often causes patients to transition to therapist-assisted overground walking prematurely, resulting in a gap in the progression of care. This device addresses that gap by supporting a patient from acute therapy until they are strong enough for therapist-assisted overground walking. Finally, this device will expand our technical understanding of the limits and effectiveness of robotic gait rehabilitation. The device will serve as a platform to develop the next generation of even more effective robotic rehabilitation control strategies, both for the investigators and the greater research community. -
Ekso Bionics, Inc.
STTR Phase I: In-Home Rehabilitation System for Post Stroke Patients
Contact
1414 Harbour Way South
Richmond, CA 94804-3628
NSF Award
0712462 – STTR Phase I
Award amount to date
$200,000
Start / end date
07/01/2007 – 12/31/2008
Errata
Please report errors in award information by writing to awardsearch@nsf.gov.
Abstract
This Small Business Technolongy Transfer (STTR) Phase I research develops an in-home training device that allows a post-stroke patient to undergo rehabilitation with little or no assistance. Approximately 500,000 Americans survive a stroke each year. Miraculously, most stroke survivors can relearn skills such as walking that are lost when part of the brain is damaged. They can relearn walking most effectively if they are aided in making the correct motions by a machine or a physical therapist while part of their body weight is supported. This training is expensive and requires the patient to go for regular visits to a stroke center. Utilizing recent breakthroughs in the design of ""human exoskeletons"", this research will create a lightweight robotic exoskeleton which cradles a patient''s lower extremities and torso, and maneuvers their paralyzed limbs for them. Using this completely portable device, the patient will not have to go to a rehabilitation facility for daily therapy sessions. The patient can relearn ambulation in the privacy of his/her home with some help from his/her spouse, children, or friends. This device would allow the patient to walk, maneuver and have a more enjoyable, longer duration rehabilitation experience. Ultimately, creating such a device will also give clinicians an alternative to the wheel chair for patients who have more permanent problems, but would benefit enormously from functioning upright and with significant load on their bone structure.
The broader impact of this project will be to adddress the needs of millions of people affected by stroke, muscular dystrophy, trauma, neurological disorders or even chronic arthritis, the medical and sociological implications to improve their quality of life and health. -
Ekso Bionics, Inc.
STTR Phase I: Lower Extremity Exoskeleton Assist Device for Reducing the Risk of Back Injuries among Workers
Contact
1414 Harbour Way South
Richmond, CA 94804-3628
NSF Award
0739552 – STTR Phase I
Award amount to date
$150,000
Start / end date
01/01/2008 – 12/31/2008
Errata
Please report errors in award information by writing to awardsearch@nsf.gov.
Abstract
This Small Business Technology Transfer Phase I project seeks to create exoskeleton assist devices for workers in distribution centers and automobile assembly plants. By using these assistive devices, workers can dramatically reduce the load in the vertebrae of the lower back when maneuvering parts and boxes. Such collaboration between humans and machines has the benefit of the intellectual advantage of humans coupled with the strength advantage of machines. The proposed project involves the University of California at Berkeley as research partner, General Motors Corporation, and the U.S. Postal Service. The end goal is a reduction in back injuries in the workplace which are considered by OSHA the nation?s number one workplace safety problem.
The broader impacts of this research are reduced worker?s compensation insurance costs, reduced disability payments, increased worker productivity, and the ability for workers to keep working into their older years; in short, improve worker quality of life. Furthermore, these new devices will open an entirely new market which will serve an important role in establishing the United States as the number one player in the emerging field of bionics. The potential impacts to worker safety and American quality of life are large and diverse. -
Ekso Bionics, Inc.
STTR Phase I: Integrated Powered Knee-Ankle Prosthetic System
Contact
1414 Harbour Way South
Richmond, CA 94804-3628
NSF Award
0810782 – STTR Phase I
Award amount to date
$150,000
Start / end date
07/01/2008 – 06/30/2009
Errata
Please report errors in award information by writing to awardsearch@nsf.gov.
Abstract
This Small Business Technology Transfer (STTR) Phase I research project proposes the development of the design features, sensory system and the control algorithm of an integrated powered knee-ankle power regenerative prosthesis. Despite significant advances in lower limb prosthetics over the past decade, all presently commercially available lower limb prostheses incorporate passive ankle joints. That is, the joints of the prostheses can either store or dissipate energy, but cannot provide any net power over a gait cycle. The inability to deliver joint power significantly impairs the ability of these prostheses to restore many locomotive functions, including level walking, walking up stairs, walking up slopes, running, and jumping, all of which require significant net positive power at the knee joint, ankle joint, or both. The objective of this proposal is to investigate the use of integrated powered knee and ankle joints in transfemoral prostheses that use sensory information from the ground and the wearer. The hypothesis is that a prosthesis with actively powered knee and ankle joints will significantly enhance the mobility of transfemoral amputees while walking on level grounds, as well as stairs and slopes.
The proposed work will result in new theoretical frameworks for both the control, sensory system, and design of such systems. Major intellectual contributions will include the design of power systems; development of the sensory system to obtain information from the ground and from the user; the development of a control framework for the interactive control of prostheses; and the development of adaptive and robust controllers for impedance modulation during locomotion. This project intends to create principles that provide significantly greater functional capabilities for above-knee amputees. Specifically, the proposed work will enable more natural, stable, and adaptable prostheses. These research elements in this proposal will also form a foundation for powered orthotic systems. Additional significant benefits of this work include fostering a broader awareness and increased sensitivity of young engineers and educational institutions to disability issues. Limb loss also affects a growing number of military personnel serving in recent conflicts, as well as a far larger number of veterans from previous wars.
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