GB2201260A - A method of control of a mechanised artificial limb - Google Patents
A method of control of a mechanised artificial limb Download PDFInfo
- Publication number
- GB2201260A GB2201260A GB08702773A GB8702773A GB2201260A GB 2201260 A GB2201260 A GB 2201260A GB 08702773 A GB08702773 A GB 08702773A GB 8702773 A GB8702773 A GB 8702773A GB 2201260 A GB2201260 A GB 2201260A
- Authority
- GB
- United Kingdom
- Prior art keywords
- leg
- mechanised
- computer
- artificial
- angular position
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 5
- 210000002414 leg Anatomy 0.000 description 18
- 210000003414 extremity Anatomy 0.000 description 3
- 210000003127 knee Anatomy 0.000 description 2
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/50—Prostheses not implantable in the body
- A61F2/68—Operating or control means
- A61F2/70—Operating or control means electrical
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/50—Prostheses not implantable in the body
- A61F2/68—Operating or control means
- A61F2/70—Operating or control means electrical
- A61F2002/704—Operating or control means electrical computer-controlled, e.g. robotic control
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
An arrangement of angular position transducers connected by bars is attached to the remaining leg, such that the angular position transducers can then provide to the computer the angles those joints are making with the bars. The computer can then build a "picture" of the current position of the remaining leg. The computer can then use this "picture" to decide what the position of the mechanised artificial leg should be, and issue the relevant commands to place the mechanised artificial leg in this position. <IMAGE>
Description
A METHOD OF CONTROL OF A
MECHANISED ARTIFICIAL LEG
This invention relates to the control of a mechanised artificial leg.
Artificial limbs are currently widely used as a result of the loss of a limb. Artificial legs are quite limited in the degree of manoeuvrabilitytheygive to the wearer. The development of powered artificial limbs seem to be currently hampered by the lack of a suitable method of control. The movement of the original leg that was lost and is now replaced by the artificial was independant, yet inherently linked to the movement of the other leg, this fact can be used to decide what movement the mechanised artificial leg should make based upon what movement the remaining leg is actually making.
The idea is to be used with a person who has lost a part of a leg from above the knee, however a smaller version could be made if the loss was from below the knee.
An arrangement of angular position transducers, connected by bars is attached to the remaining leg, such that the angular position transducers are at the moving joints. The angular position transducers can than provide to the computer the angles those joints are making with the bars. The computer can ten build a "picture" of the current position of the remainting leg.
The commuter can then use this picture to decide what the position of the mechanised artificial leg should be, --e relevant commands to place the mechanlsed artificial le in position.
A specific embodiment of the invention will riow be described by wav of example with reference to the accompanying drawin in wnich:- Figure 1 shows in perspective the angular position transducers, mechanised artificial leg ,and computer in their rest-ective positions.
Referring to the drawing, the leg control invention comprises a set of Angular position transducers 2 connected by the bars 4 and attached to the remaining leg by st'rap 5.
The angular position transducers signal their current position to the computer 3, the motorized artificial leg 1 is then moved to the desired position under control of the computer 3.
All the components are assembled as shown in figure 1. When the remaining leg is moved, the changes in position are passed to the computer. The computer then processes the information and decides what position it thinks the motorized artificial leg should be in. The relevent signals are then generated by the computer in order for the motorized artificial leg to attain the desired position.
Claims (2)
1. An arrangement of angular position transducers, connected
by bars -is'attached to the remaining leg, such that the
Angular position transducers are at moving joints.
The angular position tranducers can then provide to the
computer the angles those joints are making with the bars
The computer can then build a "picture" of the current
position of the remaining leg. The computer can then use this
picture" to decide what the position of the mechanised
artificial leg should be and issue the relevant commands
to place the mechanised artificial leg in this position.
2. The method of control of a mechanised artificial leg as
described in detail herein with reference to figure 1 of the
accompanying drawing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8702773A GB2201260B (en) | 1987-02-07 | 1987-02-07 | A method of control of a mechanised artificial leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8702773A GB2201260B (en) | 1987-02-07 | 1987-02-07 | A method of control of a mechanised artificial leg |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8702773D0 GB8702773D0 (en) | 1987-03-11 |
| GB2201260A true GB2201260A (en) | 1988-08-24 |
| GB2201260B GB2201260B (en) | 1991-02-13 |
Family
ID=10611874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8702773A Expired - Lifetime GB2201260B (en) | 1987-02-07 | 1987-02-07 | A method of control of a mechanised artificial leg |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2201260B (en) |
Cited By (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3932405A1 (en) * | 1989-09-28 | 1991-04-11 | Bodenseewerk Geraetetech | Control system for neuro-protheses - has inertial sensors coupled to regulating loop for improved control |
| US5062856A (en) * | 1988-03-25 | 1991-11-05 | Kabushiki Kaisha Kobe Seiko Sho | Teaching playback swing-phase-controlled above-knee prosthesis |
| US5133774A (en) * | 1988-03-25 | 1992-07-28 | Kabushiki Kaisha Kobe Seiko Sho | Teaching playback swing-phase-controlled above-knee prosthesis |
| US5133773A (en) * | 1988-03-25 | 1992-07-28 | Kabushiki Kaisha Kobe Seiko Sho | Teaching playback swing-phase-controlled above-knee prosthesis |
| DE4229330A1 (en) * | 1992-09-02 | 1994-03-10 | Ludger Springob | Limb function restoration using somatronic device - has microchip which responds to detected movement of sound limb to provide signals for stimulating impaired limb |
| WO1994009727A3 (en) * | 1992-10-29 | 1994-07-07 | Brian Andrews | Orthosis and prosthesis |
| WO2004017871A2 (en) | 2002-08-22 | 2004-03-04 | Victhom Human Bionics Inc. | Positioning of lower extremities artificial proprioceptors |
| US6908488B2 (en) * | 1999-12-17 | 2005-06-21 | Respecta Oy | Support device replacing the existence or function of a limb |
| AU2003250679B2 (en) * | 2002-08-22 | 2006-04-27 | Victhom Human Bionics Inc. | Positioning of lower extremities artificial proprioceptors |
| US7066896B1 (en) * | 2002-11-12 | 2006-06-27 | Kiselik Daniel R | Interactive apparatus and method for developing ability in the neuromuscular system |
| US7198071B2 (en) | 2003-05-02 | 2007-04-03 | Össur Engineering, Inc. | Systems and methods of loading fluid in a prosthetic knee |
| US7279009B2 (en) | 2000-03-29 | 2007-10-09 | Massachusetts Institute Of Technology | Speed-adaptive and patient-adaptive prosthetic knee |
| USRE39961E1 (en) | 1996-06-27 | 2007-12-25 | össur hf | Computer controlled hydraulic resistance device for a prosthesis and other apparatus |
| US7431737B2 (en) | 2004-02-12 | 2008-10-07 | össur hf. | System and method for motion-controlled foot unit |
| US7455696B2 (en) | 2004-05-07 | 2008-11-25 | össur hf | Dynamic seals for a prosthetic knee |
| US7637959B2 (en) | 2004-02-12 | 2009-12-29 | össur hf | Systems and methods for adjusting the angle of a prosthetic ankle based on a measured surface angle |
| FR2933185A1 (en) * | 2008-06-27 | 2010-01-01 | Movea Sa | SYSTEM AND METHOD FOR DETERMINING INFORMATION REPRESENTATIVE OF THE MOVEMENT OF AN ARTICULATED CHAIN |
| US7736394B2 (en) | 2002-08-22 | 2010-06-15 | Victhom Human Bionics Inc. | Actuated prosthesis for amputees |
| US7811333B2 (en) | 2004-12-22 | 2010-10-12 | Ossur Hf | Systems and methods for processing limb motion |
| US7815689B2 (en) | 2003-11-18 | 2010-10-19 | Victhom Human Bionics Inc. | Instrumented prosthetic foot |
| US7955398B2 (en) | 2003-11-18 | 2011-06-07 | Victhom Human Bionics, Inc. | Instrumented prosthetic foot |
| US8057550B2 (en) | 2004-02-12 | 2011-11-15 | össur hf. | Transfemoral prosthetic systems and methods for operating the same |
| US8211042B2 (en) | 2007-01-05 | 2012-07-03 | Victom Human Bionics Inc. | High torque active mechanism for orthotic and/or prosthetic devices |
| US20130274894A1 (en) * | 2012-03-14 | 2013-10-17 | Vanderbilt Uninersity | Coordinating operation of multiple lower limb devices |
| US8617254B2 (en) | 2004-03-10 | 2013-12-31 | Ossur Hf | Control system and method for a prosthetic knee |
| US8852292B2 (en) | 2005-09-01 | 2014-10-07 | Ossur Hf | System and method for determining terrain transitions |
| US9066819B2 (en) | 2005-04-19 | 2015-06-30 | össur hf | Combined active and passive leg prosthesis system and a method for performing a movement with such a system |
| US9387096B2 (en) | 2009-06-17 | 2016-07-12 | Ossur Hf | Feedback control systems and methods for prosthetic or orthotic devices |
| US9707104B2 (en) | 2013-03-14 | 2017-07-18 | össur hf | Prosthetic ankle and method of controlling same based on adaptation to speed |
| US9808357B2 (en) | 2007-01-19 | 2017-11-07 | Victhom Laboratory Inc. | Reactive layer control system for prosthetic and orthotic devices |
| US9895240B2 (en) | 2012-03-29 | 2018-02-20 | Ösur hf | Powered prosthetic hip joint |
| US9925071B2 (en) | 2010-09-29 | 2018-03-27 | össur hf | Prosthetic and orthotic devices and methods and systems for controlling the same |
| US9949850B2 (en) | 2015-09-18 | 2018-04-24 | Össur Iceland Ehf | Magnetic locking mechanism for prosthetic or orthotic joints |
| US20180311054A1 (en) * | 2015-10-21 | 2018-11-01 | The Board Of Regents Of The University Of Texas System | Method and apparatus for controlling, identifying optimal nerve/muscle monitoring sites for, and training the use of a prosthetic or orthotic device |
| US10251762B2 (en) | 2011-05-03 | 2019-04-09 | Victhom Laboratory Inc. | Impedance simulating motion controller for orthotic and prosthetic applications |
| US10290235B2 (en) | 2005-02-02 | 2019-05-14 | össur hf | Rehabilitation using a prosthetic device |
| US10369019B2 (en) | 2013-02-26 | 2019-08-06 | Ossur Hf | Prosthetic foot with enhanced stability and elastic energy return |
| US10369025B2 (en) | 2005-02-02 | 2019-08-06 | Össur Iceland Ehf | Sensing systems and methods for monitoring gait dynamics |
| US10390974B2 (en) | 2014-04-11 | 2019-08-27 | össur hf. | Prosthetic foot with removable flexible members |
| US10543109B2 (en) | 2011-11-11 | 2020-01-28 | Össur Iceland Ehf | Prosthetic device and method with compliant linking member and actuating linking member |
| US10575970B2 (en) | 2011-11-11 | 2020-03-03 | Össur Iceland Ehf | Robotic device and method of using a parallel mechanism |
| US11007072B2 (en) | 2007-01-05 | 2021-05-18 | Victhom Laboratory Inc. | Leg orthotic device |
| US12575950B2 (en) | 2019-09-18 | 2026-03-17 | Össur Iceland Ehf | Methods and systems for controlling a prosthetic or orthotic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8801802B2 (en) | 2005-02-16 | 2014-08-12 | össur hf | System and method for data communication with a mechatronic device |
| US7531006B2 (en) | 2005-09-01 | 2009-05-12 | össur hf | Sensing system and method for motion-controlled foot unit |
| US8048172B2 (en) | 2005-09-01 | 2011-11-01 | össur hf | Actuator assembly for prosthetic or orthotic joint |
| US9017418B2 (en) | 2009-05-05 | 2015-04-28 | össur hf | Control systems and methods for prosthetic or orthotic devices |
| US9017419B1 (en) | 2012-03-09 | 2015-04-28 | össur hf | Linear actuator |
-
1987
- 1987-02-07 GB GB8702773A patent/GB2201260B/en not_active Expired - Lifetime
Cited By (74)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5062856A (en) * | 1988-03-25 | 1991-11-05 | Kabushiki Kaisha Kobe Seiko Sho | Teaching playback swing-phase-controlled above-knee prosthesis |
| US5133774A (en) * | 1988-03-25 | 1992-07-28 | Kabushiki Kaisha Kobe Seiko Sho | Teaching playback swing-phase-controlled above-knee prosthesis |
| US5133773A (en) * | 1988-03-25 | 1992-07-28 | Kabushiki Kaisha Kobe Seiko Sho | Teaching playback swing-phase-controlled above-knee prosthesis |
| US5344446A (en) * | 1988-03-25 | 1994-09-06 | Kabushiki Kaisha Kobe Seiko Sho | Teaching playback swing-phase controlled above-knee prosthesis |
| DE3932405A1 (en) * | 1989-09-28 | 1991-04-11 | Bodenseewerk Geraetetech | Control system for neuro-protheses - has inertial sensors coupled to regulating loop for improved control |
| DE4229330A1 (en) * | 1992-09-02 | 1994-03-10 | Ludger Springob | Limb function restoration using somatronic device - has microchip which responds to detected movement of sound limb to provide signals for stimulating impaired limb |
| WO1994009727A3 (en) * | 1992-10-29 | 1994-07-07 | Brian Andrews | Orthosis and prosthesis |
| USRE39961E1 (en) | 1996-06-27 | 2007-12-25 | össur hf | Computer controlled hydraulic resistance device for a prosthesis and other apparatus |
| US6908488B2 (en) * | 1999-12-17 | 2005-06-21 | Respecta Oy | Support device replacing the existence or function of a limb |
| US7279009B2 (en) | 2000-03-29 | 2007-10-09 | Massachusetts Institute Of Technology | Speed-adaptive and patient-adaptive prosthetic knee |
| US7799091B2 (en) | 2000-03-29 | 2010-09-21 | Massachusetts Institute Of Technology | Control system for prosthetic knee |
| WO2004017871A2 (en) | 2002-08-22 | 2004-03-04 | Victhom Human Bionics Inc. | Positioning of lower extremities artificial proprioceptors |
| US7137998B2 (en) | 2002-08-22 | 2006-11-21 | Victhom Human Bionics Inc | Positioning of lower extremities artificial proprioceptors |
| US7736394B2 (en) | 2002-08-22 | 2010-06-15 | Victhom Human Bionics Inc. | Actuated prosthesis for amputees |
| CN100384391C (en) * | 2002-08-22 | 2008-04-30 | 维克多姆人体机械公司 | Lower limb prosthesis and method and device for controlling its actuation mechanism |
| WO2004017871A3 (en) * | 2002-08-22 | 2004-05-06 | Victhom Human Bionics Inc | Positioning of lower extremities artificial proprioceptors |
| US9649206B2 (en) | 2002-08-22 | 2017-05-16 | Victhom Laboratory Inc. | Control device and system for controlling an actuated prosthesis |
| US8231687B2 (en) | 2002-08-22 | 2012-07-31 | Victhom Human Bionics, Inc. | Actuated leg prosthesis for above-knee amputees |
| US7867284B2 (en) | 2002-08-22 | 2011-01-11 | Victhom Human Bionics Inc. | Control device and system for controlling an actuated prosthesis |
| AU2003250679B2 (en) * | 2002-08-22 | 2006-04-27 | Victhom Human Bionics Inc. | Positioning of lower extremities artificial proprioceptors |
| US7066896B1 (en) * | 2002-11-12 | 2006-06-27 | Kiselik Daniel R | Interactive apparatus and method for developing ability in the neuromuscular system |
| US7198071B2 (en) | 2003-05-02 | 2007-04-03 | Össur Engineering, Inc. | Systems and methods of loading fluid in a prosthetic knee |
| US7815689B2 (en) | 2003-11-18 | 2010-10-19 | Victhom Human Bionics Inc. | Instrumented prosthetic foot |
| US7955398B2 (en) | 2003-11-18 | 2011-06-07 | Victhom Human Bionics, Inc. | Instrumented prosthetic foot |
| US7896927B2 (en) | 2004-02-12 | 2011-03-01 | össur hf. | Systems and methods for actuating a prosthetic ankle based on a relaxed position |
| US8057550B2 (en) | 2004-02-12 | 2011-11-15 | össur hf. | Transfemoral prosthetic systems and methods for operating the same |
| US7811334B2 (en) | 2004-02-12 | 2010-10-12 | Ossur Hf. | System and method for motion-controlled foot unit |
| US7431737B2 (en) | 2004-02-12 | 2008-10-07 | össur hf. | System and method for motion-controlled foot unit |
| US7637957B2 (en) | 2004-02-12 | 2009-12-29 | össur hf | System and method for motion-controlled foot unit |
| US10195057B2 (en) | 2004-02-12 | 2019-02-05 | össur hf. | Transfemoral prosthetic systems and methods for operating the same |
| US7637959B2 (en) | 2004-02-12 | 2009-12-29 | össur hf | Systems and methods for adjusting the angle of a prosthetic ankle based on a measured surface angle |
| US8617254B2 (en) | 2004-03-10 | 2013-12-31 | Ossur Hf | Control system and method for a prosthetic knee |
| US7691154B2 (en) | 2004-05-07 | 2010-04-06 | össur hf | Systems and methods of controlling pressure within a prosthetic knee |
| US7455696B2 (en) | 2004-05-07 | 2008-11-25 | össur hf | Dynamic seals for a prosthetic knee |
| US7811333B2 (en) | 2004-12-22 | 2010-10-12 | Ossur Hf | Systems and methods for processing limb motion |
| US9078774B2 (en) | 2004-12-22 | 2015-07-14 | össur hf | Systems and methods for processing limb motion |
| US10290235B2 (en) | 2005-02-02 | 2019-05-14 | össur hf | Rehabilitation using a prosthetic device |
| US10369025B2 (en) | 2005-02-02 | 2019-08-06 | Össur Iceland Ehf | Sensing systems and methods for monitoring gait dynamics |
| US9066819B2 (en) | 2005-04-19 | 2015-06-30 | össur hf | Combined active and passive leg prosthesis system and a method for performing a movement with such a system |
| US9717606B2 (en) | 2005-04-19 | 2017-08-01 | össur hf | Combined active and passive leg prosthesis system and a method for performing a movement with such a system |
| US8852292B2 (en) | 2005-09-01 | 2014-10-07 | Ossur Hf | System and method for determining terrain transitions |
| US8211042B2 (en) | 2007-01-05 | 2012-07-03 | Victom Human Bionics Inc. | High torque active mechanism for orthotic and/or prosthetic devices |
| US11007072B2 (en) | 2007-01-05 | 2021-05-18 | Victhom Laboratory Inc. | Leg orthotic device |
| US10405996B2 (en) | 2007-01-19 | 2019-09-10 | Victhom Laboratory Inc. | Reactive layer control system for prosthetic and orthotic devices |
| US9808357B2 (en) | 2007-01-19 | 2017-11-07 | Victhom Laboratory Inc. | Reactive layer control system for prosthetic and orthotic devices |
| US11607326B2 (en) | 2007-01-19 | 2023-03-21 | Victhom Laboratory Inc. | Reactive layer control system for prosthetic devices |
| US10299943B2 (en) | 2008-03-24 | 2019-05-28 | össur hf | Transfemoral prosthetic systems and methods for operating the same |
| FR2933185A1 (en) * | 2008-06-27 | 2010-01-01 | Movea Sa | SYSTEM AND METHOD FOR DETERMINING INFORMATION REPRESENTATIVE OF THE MOVEMENT OF AN ARTICULATED CHAIN |
| US9387096B2 (en) | 2009-06-17 | 2016-07-12 | Ossur Hf | Feedback control systems and methods for prosthetic or orthotic devices |
| US11020250B2 (en) | 2010-09-29 | 2021-06-01 | Össur Iceland Ehf | Prosthetic and orthotic devices and methods and systems for controlling the same |
| US9925071B2 (en) | 2010-09-29 | 2018-03-27 | össur hf | Prosthetic and orthotic devices and methods and systems for controlling the same |
| US10251762B2 (en) | 2011-05-03 | 2019-04-09 | Victhom Laboratory Inc. | Impedance simulating motion controller for orthotic and prosthetic applications |
| US11185429B2 (en) | 2011-05-03 | 2021-11-30 | Victhom Laboratory Inc. | Impedance simulating motion controller for orthotic and prosthetic applications |
| US10543109B2 (en) | 2011-11-11 | 2020-01-28 | Össur Iceland Ehf | Prosthetic device and method with compliant linking member and actuating linking member |
| US10575970B2 (en) | 2011-11-11 | 2020-03-03 | Össur Iceland Ehf | Robotic device and method of using a parallel mechanism |
| US12245955B2 (en) | 2011-11-11 | 2025-03-11 | Össur Iceland Ehf | Prosthetic device and method with compliant linking member and actuating linking member |
| US9289317B2 (en) * | 2012-03-14 | 2016-03-22 | Vanderbilt University | Coordinating operation of multiple lower limb devices |
| US20130274894A1 (en) * | 2012-03-14 | 2013-10-17 | Vanderbilt Uninersity | Coordinating operation of multiple lower limb devices |
| US10940027B2 (en) | 2012-03-29 | 2021-03-09 | Össur Iceland Ehf | Powered prosthetic hip joint |
| US9895240B2 (en) | 2012-03-29 | 2018-02-20 | Ösur hf | Powered prosthetic hip joint |
| US10369019B2 (en) | 2013-02-26 | 2019-08-06 | Ossur Hf | Prosthetic foot with enhanced stability and elastic energy return |
| US12220330B2 (en) | 2013-02-26 | 2025-02-11 | Össur Iceland Ehf | Prosthetic foot with enhanced stability and elastic energy return |
| US11285024B2 (en) | 2013-02-26 | 2022-03-29 | Össur Iceland Ehf | Prosthetic foot with enhanced stability and elastic energy return |
| US11576795B2 (en) | 2013-03-14 | 2023-02-14 | össur hf | Prosthetic ankle and method of controlling same based on decreased loads |
| US10695197B2 (en) | 2013-03-14 | 2020-06-30 | Össur Iceland Ehf | Prosthetic ankle and method of controlling same based on weight-shifting |
| US9707104B2 (en) | 2013-03-14 | 2017-07-18 | össur hf | Prosthetic ankle and method of controlling same based on adaptation to speed |
| US10390974B2 (en) | 2014-04-11 | 2019-08-27 | össur hf. | Prosthetic foot with removable flexible members |
| US11446166B2 (en) | 2014-04-11 | 2022-09-20 | Össur Iceland Ehf | Prosthetic foot with removable flexible members |
| US12502288B2 (en) | 2014-04-11 | 2025-12-23 | Össur Iceland Ehf | Prosthetic foot with removable flexible members |
| US10722386B2 (en) | 2015-09-18 | 2020-07-28 | Össur Iceland Ehf | Magnetic locking mechanism for prosthetic or orthotic joints |
| US11707365B2 (en) | 2015-09-18 | 2023-07-25 | Össur Iceland Ehf | Magnetic locking mechanism for prosthetic or orthotic joints |
| US9949850B2 (en) | 2015-09-18 | 2018-04-24 | Össur Iceland Ehf | Magnetic locking mechanism for prosthetic or orthotic joints |
| US20180311054A1 (en) * | 2015-10-21 | 2018-11-01 | The Board Of Regents Of The University Of Texas System | Method and apparatus for controlling, identifying optimal nerve/muscle monitoring sites for, and training the use of a prosthetic or orthotic device |
| US12575950B2 (en) | 2019-09-18 | 2026-03-17 | Össur Iceland Ehf | Methods and systems for controlling a prosthetic or orthotic device |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2201260B (en) | 1991-02-13 |
| GB8702773D0 (en) | 1987-03-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19940207 |