Patents by Inventor Heidrun Gigja Ragnarsdottir
Heidrun Gigja Ragnarsdottir 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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Patent number: 9668887Abstract: The present foot prosthesis includes various structural features that provide the foot with advantageous rollover properties. In certain embodiments, the foot guides rollover toward the medial side. For example, an asymmetrical upper element and a correspondingly shaped resilient ankle member support more of the wearer's weight on the lateral side as the foot rolls over. In another embodiment, stiffeners added to the resilient ankle member increase the stiffness on the lateral side relative to the medial side. In certain other embodiments, the foot provides progressively increasing support from mid stance through toe off. For example, a gap between the resilient ankle member and the lower element closes during the later portion of the wearer's gait. The closing gap increases a contact area between the resilient ankle member and the lower element, providing progressively increasing support. In another embodiment, the foot includes a gap between a lower front edge of an attachment adapter and the upper element.Type: GrantFiled: September 14, 2015Date of Patent: June 6, 2017Assignee: Össur hfInventors: Christophe Guy Lecomte, Hjordis Thorhallsdottir, Heidrun Gígja Ragnarsdottir, Arinbjörn Viggo Clausen
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Patent number: 9579220Abstract: A low profile prosthetic foot comprises a foot member extending at an incline from an anterior portion to a posterior portion thereof and configured to flex during motion, and an adapter mounted solely at a posterior section thereof to the posterior portion of the foot member so that the adapter's anterior section can move relative to the foot member and “roll-up” onto the foot member during motion.Type: GrantFiled: October 9, 2014Date of Patent: February 28, 2017Assignee: Össur hfInventors: Orn Ingvi Jonsson, Christophe Guy Lecomte, Arinbjörn Viggo Clausen, Heidrun Gigja Ragnarsdottir
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Patent number: 9351854Abstract: 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 of the limb 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, 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.Type: GrantFiled: April 28, 2014Date of Patent: May 31, 2016Assignee: Össur hfInventors: Helgi Jónsson, Arinbjörn Viggo Clausen, Gudni Ingimarsson, Christophe Lecomte, Larus Sigfusson, Heidrún Gígja Ragnarsdöttir
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Publication number: 20160067059Abstract: The present foot prosthesis includes various structural features that provide the foot with advantageous rollover properties. In certain embodiments, the foot guides rollover toward the medial side. For example, an asymmetrical upper element and a correspondingly shaped resilient ankle member support more of the wearer's weight on the lateral side as the foot rolls over. In another embodiment, stiffeners added to the resilient ankle member increase the stiffness on the lateral side relative to the medial side. In certain other embodiments, the foot provides progressively increasing support from mid stance through toe off. For example, a gap between the resilient ankle member and the lower element closes during the later portion of the wearer's gait. The closing gap increases a contact area between the resilient ankle member and the lower element, providing progressively increasing support. In another embodiment, the foot includes a gap between a lower front edge of an attachment adapter and the upper element.Type: ApplicationFiled: September 14, 2015Publication date: March 10, 2016Inventors: Christophe Guy Lecomte, Hjordis Thorhallsdottir, Heidrun Gígja Ragnarsdottir, Arinbjörn Viggo Clausen
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Patent number: 9132022Abstract: The present foot prosthesis includes various structural features that provide the foot with advantageous rollover properties. In certain embodiments, the foot guides rollover toward the medial side. For example, an asymmetrical upper element and a correspondingly shaped resilient ankle member support more of the wearer's weight on the lateral side as the foot rolls over. In another embodiment, stiffeners added to the resilient ankle member increase the stiffness on the lateral side relative to the medial side. In certain other embodiments, the foot provides progressively increasing support from mid stance through toe off. For example, a gap between the resilient ankle member and the lower element closes during the later portion of the wearer's gait. The closing gap increases a contact area between the resilient ankle member and the lower element, providing progressively increasing support. In another embodiment, the foot includes a gap between a lower front edge of an attachment adapter and the upper element.Type: GrantFiled: August 2, 2011Date of Patent: September 15, 2015Assignee: Össur hfInventors: Christophe Guy Lecomte, Hjordis Thorhallsdottir, Heidrun Gigja Ragnarsdottir, Arinbjorn Viggo Clausen
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Publication number: 20150164661Abstract: 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.Type: ApplicationFiled: December 17, 2014Publication date: June 18, 2015Inventors: Heidrun Gigja Ragnarsdottir, Arinbjörn Viggo Clausen, Hjordis Thorhallsdottir, Helgi Jónsson
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Publication number: 20150073566Abstract: 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.Type: ApplicationFiled: September 19, 2014Publication date: March 12, 2015Inventors: Heidrun Gigja Ragnarsdottir, Arinbjorn Viggo Clausen
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Publication number: 20150025654Abstract: A low profile prosthetic foot comprises a foot member extending at an incline from an anterior portion to a posterior portion thereof and configured to flex during motion, and an adapter mounted solely at a posterior section thereof to the posterior portion of the foot member so that the adapter's anterior section can move relative to the foot member and “roll-up” onto the foot member during motion.Type: ApplicationFiled: October 9, 2014Publication date: January 22, 2015Inventors: Orn Ingvi Jonsson, Christophe Guy Lecomte, Arinbjörn Viggo Clausen, Heidrun Gígja Ragnarsdottir
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Publication number: 20140324190Abstract: 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 of the limb 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, 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.Type: ApplicationFiled: April 28, 2014Publication date: October 30, 2014Applicant: Össur hfInventors: Helgi Jónsson, Arinbjörn Viggo Clausen, Gudni Ingimarsson, Christophe Lecomte, Larus Sigfusson, Heidrún Gígja Ragnarsdóttir
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Patent number: 8858649Abstract: A low profile prosthetic foot comprises a foot member extending at an incline from an anterior portion to a posterior portion thereof and configured to flex during motion, and an adapter mounted solely at a posterior section thereof to the posterior portion of the foot member so that the adapter's anterior section can move relative to the foot member and “roll-up” onto the foot member during motion.Type: GrantFiled: December 17, 2012Date of Patent: October 14, 2014Assignee: Össur hfInventors: Orn Ingvi Jonsson, Christophe Guy Lecomte, Arinbjörn Viggo Clausen, Heidrun Gígja Ragnarsdottir
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Patent number: 8702811Abstract: 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.Type: GrantFiled: April 19, 2012Date of Patent: April 22, 2014Assignee: Össur hfInventors: Heidrun Gigja Ragnarsdottir, Arinbjorn Viggo Clausen
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Patent number: 8377144Abstract: A low profile prosthetic foot comprises a foot member extending at an incline from an anterior portion to a posterior portion thereof and configured to flex during motion, and an adapter mounted solely at a posterior section thereof to the posterior portion of the foot member so that the adapter's anterior section can move relative to the foot member and “roll-up” onto the foot member during motion.Type: GrantFiled: September 29, 2006Date of Patent: February 19, 2013Assignee: Ossur HFInventors: Orn Ingvi Jonsson, Christophe Guy Lecomte, Arinbjorn Viggo Clausen, Heidrun Gigja Ragnarsdottir
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Patent number: 8377146Abstract: A low profile prosthetic foot comprises a foot member extending at an incline from an anterior portion to a posterior portion thereof and configured to flex during motion, and an adapter mounted solely at a posterior section thereof to the posterior portion of the foot member so that the adapter's anterior section can move relative to the foot member and “roll-up” onto the foot member during motion.Type: GrantFiled: July 18, 2011Date of Patent: February 19, 2013Assignee: Ossur HFInventors: Orn Ingvi Jonsson, Christophe Guy Lecomte, Arinbjörn Viggo Clausen, Heidrun Gígja Ragnarsdottir
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Publication number: 20120165958Abstract: A cover for a foot prosthesis comprises an opening at a top end of the cover, which extends into a cavity formed within the cover, wherein the cavity is configured to receive a prosthesis therein. A wall surrounds the cavity and has the shape of a natural human foot. The wall has an inner surface and an outer surface. The wall also has a top section, a bottom section and a rear section. The bottom section defines a sole area having a toe section, a heel section, and a metatarsal region, wherein the sole area is provided with varying levels of stiffness configured to induce a desired rollover from heel-to-toe in a lateral-to-medial direction.Type: ApplicationFiled: March 1, 2012Publication date: June 28, 2012Applicant: Ossur hfInventors: Arinbjörn Viggo Clausen, Erla Sigridur Gestsdottir, Christophe Lecomte, Heidrun Gigja Ragnarsdottir, Hjordis Thorhallsdottir
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Patent number: 8128709Abstract: A cover for a foot prosthesis comprises an opening at a top end of the cover, which extends into a cavity formed within the cover, wherein the cavity is configured to receive a prosthesis therein. A wall surrounds the cavity and has the shape of a natural human foot. The wall has an inner surface and an outer surface. The wall also has a top section, a bottom section and a rear section. The bottom section defines a sole area having a toe section, a heel section, and a metatarsal region, wherein the sole area is provided with varying levels of stiffness configured to induce a desired rollover from heel-to-toe in a lateral-to-medial direction.Type: GrantFiled: May 26, 2005Date of Patent: March 6, 2012Assignee: Össur hfInventors: Hjordis Thorhallsdottir, Erla Sigridur Gestsdottir, Arinbjörn Viggo Clausen, Cristophe Lecomte, Heidrun Gigja Ragnarsdottir
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Publication number: 20120010730Abstract: The present foot prosthesis includes various structural features that provide the foot with advantageous rollover properties. In certain embodiments, the foot guides rollover toward the medial side. For example, an asymmetrical upper element and a correspondingly shaped resilient ankle member support more of the wearer's weight on the lateral side as the foot rolls over. In another embodiment, stiffeners added to the resilient ankle member increase the stiffness on the lateral side relative to the medial side. In certain other embodiments, the foot provides progressively increasing support from mid stance through toe off. For example, a gap between the resilient ankle member and the lower element closes during the later portion of the wearer's gait. The closing gap increases a contact area between the resilient ankle member and the lower element, providing progressively increasing support. In another embodiment, the foot includes a gap between a lower front edge of an attachment adapter and the upper element.Type: ApplicationFiled: August 2, 2011Publication date: January 12, 2012Inventors: Christophe Guy Lecomte, Hjordis Thorhallsdottir, Heidrun Gigja Ragnarsdottir, Arinbjorn Viggo Clausen
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Publication number: 20110276149Abstract: A low profile prosthetic foot comprises a foot member extending at an incline from an anterior portion to a posterior portion thereof and configured to flex during motion, and an adapter mounted solely at a posterior section thereof to the posterior portion of the foot member so that the adapter's anterior section can move relative to the foot member and “roll-up” onto the foot member during motion.Type: ApplicationFiled: July 18, 2011Publication date: November 10, 2011Applicant: Ossur hfInventors: Orn Ingvi Jonsson, Christophe Guy Lecomte, Arinbjorn Viggo Clausen, Heidrun Gigja Ragnarsdottir
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Patent number: 8025699Abstract: The present foot prosthesis includes various structural features that provide the foot with advantageous rollover properties. In certain embodiments, the foot guides rollover toward the medial side. For example, an asymmetrical upper element and a correspondingly shaped resilient ankle member support more of the wearer's weight on the lateral side as the foot rolls over. In another embodiment, stiffeners added to the resilient ankle member increase the stiffness on the lateral side relative to the medial side. In certain other embodiments, the foot provides progressively increasing support from mid stance through toe off. For example, a gap between the resilient ankle member and the lower element closes during the later portion of the wearer's gait. The closing gap increases a contact area between the resilient ankle member and the lower element, providing progressively increasing support. In another embodiment, the foot includes a gap between a lower front edge of an attachment adapter and the upper element.Type: GrantFiled: July 24, 2009Date of Patent: September 27, 2011Assignee: Össur hfInventors: Christophe Guy Lecomte, Hjordis Thorhallsdottir, Heidrun Gigja Ragnarsdottir, Arinbjorn Viggo Clausen
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Patent number: 8007544Abstract: A low profile prosthetic foot comprises a foot member extending at an incline from an anterior portion to a posterior portion thereof and configured to flex during motion, and an adapter mounted solely at a posterior section thereof to the posterior portion of the foot member so that the adapter's anterior section can move relative to the foot member and “roll-up” onto the foot member during motion.Type: GrantFiled: August 15, 2003Date of Patent: August 30, 2011Assignee: Ossur HFInventors: Orn Ingvi Jonsson, Christophe Guy Lecomte, Arinbjorn Viggo Clausen, Heidrun Gigja Ragnarsdottir
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Patent number: 7998221Abstract: The present foot prosthesis includes various structural features that provide the foot with advantageous rollover properties. In certain embodiments, the foot guides rollover toward the medial side. For example, an asymmetrical upper element and a correspondingly shaped resilient ankle member support more of the wearer's weight on the lateral side as the foot rolls over. In another embodiment, stiffeners added to the resilient ankle member increase the stiffness on the lateral side relative to the medial side. In certain other embodiments, the foot provides progressively increasing support from mid stance through toe off. For example, a gap between the resilient ankle member and the lower element closes during the later portion of the wearer's gait. The closing gap increases a contact area between the resilient ankle member and the lower element, providing progressively increasing support. In another embodiment, the foot includes a gap between a lower front edge of an attachment adapter and the upper element.Type: GrantFiled: July 24, 2009Date of Patent: August 16, 2011Assignee: Össur hfInventors: Christophe Guy Lecomte, Hjordis Thorhallsdottir, Heidrun Gigja Ragnarsdottir, Arinbjorn Viggo Clausen