Abstract: 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.
Abstract: An orthotic frame has proximal and distal frame members joined by a knee joint, and a foot support joined by an ankle joint to a distal end of the distal frame. A knee actuator connected between the proximal and distal frame members has a selective stiffness allowing selection of a relatively rigid stiffness during stance and a relatively flexible stiffness during swing. The stiffness of the knee actuator is selected according to the gait cycle, either mechanically according to dorsal flexion of the ankle joint or electronically according to gait cycle phases recognized based on read sensor data. An ambulatory unit gathers data from sensors located on the orthotic frame. Sensor data may be provided to a base unit for diagnostic and biomechanical evaluation, or evaluated by the ambulatory unit to control active components of the orthotic frame according to the recognized gait cycle phases for functional compensation.
Type:
Grant
Filed:
March 12, 2009
Date of Patent:
July 26, 2011
Assignee:
Ossur HF
Inventors:
Freygardur Thorsteinsson, Helgi Jónsson, Jose L. Pons, Juan C. Moreno Sastoque, Fernando J. Brunetti Fernández, Antonio M. Cullel Mirada, José María Baydal Bertomeu, Ricard Barberà Guillem, Mario Comín Clavijo, Lambertus Wilhelmus Freriks, M. Ijzerman, Anand V. Nene
Abstract: An orthopedic device in the form of a cervical collar having height and circumferential adjustment includes an anterior portion and a posterior portion. The anterior portion includes a main support piece having depending projections configured to engage a height adjustment mechanism. Each of the anterior and posterior portions also includes a proximal support portion having a three-dimensional anatomically configured shape to support, immobilize, and stabilize an anatomical portion of a wearer. The anterior and/or posterior portion includes circumferential adjustment mechanisms to accommodate different sizes or differing degrees of swelling of anatomical portions.
Abstract: A strapping system includes a flexible, textile strap having locking elements. The strap defines an attachment portion upon which a reinforcement element formed from a solid mass of polymeric material inseparably and integrally secures. The locking elements of the strap are embedded at least in part into the thickness of a reinforcement element.
Abstract: An orthotic brace includes a proximal support section pivotally connected to a distal support section, and each having a medial frame and a lateral frame connected to width adjustment plates. At least one angle adjusting component provided in the lateral or medial frames allows angular adjustment of the brace. The width adjustment plates include lateral and medial slots through which fixing members pass to engage the respective frame portions. This permits the space between the lateral frame and the medial frame to be adjusted according to the size of the wearer's body part. Proximal and distal shells are adjustably positioned on the width adjustment plates via a series of positioning holes axially arranged along the shells which selectively engage a fixing member passing through a positioning slot on the width adjustment plates. This allows for the shells to be both axially adjusted and positioned along the width of the brace.
Abstract: 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:
Application
Filed:
September 27, 2010
Publication date:
May 5, 2011
Applicant:
OSSUR HF
Inventors:
Heidrun G. Ragnarsdottir, Arinbjorn V. Clausen, Hjordis Thorhallsdottir, Helgi Jonsson
Abstract: An orthopedic or prosthetic support device is arranged to conform and secure to a limb of a wearer. The device includes a resilient support member adapted to extend about a limb, and a tensioning element associated with the support member. An adjustment system is connected to the support member and engages the tensioning element. The adjustment system is arranged to incrementally adjust and retain the tensioning element relative to the support member.
Abstract: Systems and method for monitoring gait dynamics are disclosed. The performance of an orthotic or prosthetic device or other device associated with a limb may be measured based on the resistance of a bending sensor. Data from the sensors is gathered or processed, particularly for purposes of alignment, safety, failure, usage, selection, and artificial proprioception. Information relating to the device may be outputted visually or auditorily to an individual.
Abstract: An adapter assembly allows mechanical coupling of prosthetic components such that a distal end of a socket adapter (160) extends below a top surface of a prosthetic (100). The adapter assembly may include sets of external threads (314, 324) to operatively engage internally threaded surfaces (170, 110) of the prosthetic and the socket adapter.
Abstract: An orthopedic brace is adaptable for either left or right sided use. The brace includes a softgood pad having a distal edge, a proximal edge opposite the distal edge, a dorsal edge, and a radial edge opposite the dorsal edge. A strap retainer is disposed on the radial or ulnar edge, and a strap pod is removably attachable to the pad in a left or right sided closure position. The strap pod cooperates with the strap retainer to secure the pad closed about a left limb, when the strap pod is attached in the left sided closure position, or about a right limb, when the strap pod is attached in the right sided closure position. A distal retention strap extends from the pad proximate to the distal and radial edges, and a reversible fastening member is coupled to the distal retention strap.
Abstract: A wound dressing including an absorbent core defining opposed proximal and distal surfaces, the distal surface of the absorbent core defining a central portion, a border portion and an intermediate portion interposed between the central and border portions. The backing layer defines at least one compliant element disassociated from the distal surface of the absorbent core and including at least one ridge extending outwardly relative to the distal surface of the absorbent core.
Type:
Grant
Filed:
April 16, 2008
Date of Patent:
March 22, 2011
Assignee:
Ossur HF
Inventors:
Gudmundur Fertram Sigurjonsson, Thordur M. Elefsen
Abstract: A suspension liner system adapted to provide an interface between a residual limb and a prosthetic socket, the liner sleeve including an elongate generally conical liner sleeve including proximal and distal end areas, and a sealing member arranged to removably fit onto the distal end area of the liner sleeve. The sealing member has proximal and distal end areas, and defines a resilient seal element located at the proximal end area and a receiving portion formed from the distal end area. The seal element outwardly protrudes relative to the receiving portion of the liner sleeve and is arranged for deflection against the liner sleeve.
Abstract: Systems and methods for sensing actuating a prosthetic ankle are disclosed. In one example, the system, such as an actuated prosthetic ankle joint, detects that the user has moved to a relaxed position, such as sitting, reclining, crawling, or leaning. In response, the actuated prosthetic ankle joint actively adjusts the angle between the members of the ankle to a relaxed state. The system may further detect when the user has moved to exit the relaxed position, and may actively adjust the angle between the members of the ankle to an exit state.
Type:
Grant
Filed:
March 1, 2006
Date of Patent:
March 1, 2011
Assignee:
Össur hf.
Inventors:
Arinbjörn V. Clausen, Heidrun G. Ragnarsdottir, Helgi Jonsson