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公开(公告)号：US20230097882A1
公开(公告)日：2023-03-30
申请号：US17901763
申请日：2022-09-01
发明人： Florian Wilhelm Sebastian Poser , Vaughn Roy Anderson , Charles C. Polta , Vijay Morampudi , Randy Hall , Douglas E. Rush , Jules Revais , Marc Souply , Léna Oberson , Christian Daur
摘要： A prosthetic device includes a footshell having a first portion and a second portion. The first portion has a first portion polymer lattice structure and the second portion has a second portion polymer lattice structure. The first portion polymer lattice structure has a first set of mechanical properties and the second portion polymer lattice structure has a second set of mechanical properties different from the first set of mechanical properties. The footshell also includes a sole attached to a bottom of the first portion and the second portion, wherein the sole is formed of a solid material.
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公开(公告)号：US20230067978A1
公开(公告)日：2023-03-02
申请号：US17896054
申请日：2022-08-25
申请人： Jilin University
发明人： Kunyang WANG , Lei REN , Zhihui QIAN , Xuewei LU , Wei LIANG , Yi ZENG , Luquan REN
IPC分类号： A61F2/66
摘要： A small-size multi-axis ankle joint prosthesis is provided. Two ends of each of four springs are fixedly connected with two spring seats at an upper part and at the lower part respectively. The joint axes are positioned in a space surrounded by the lower part, the four springs and the upper part. Front and rear perforated blocks in the joint axes are respectively in bolted connection with a fifth arc hole pair g and a sixth arc hole pair h of a second arc plate in the upper part. Left and right perforated blocks in the joint axes are respectively in bolted connection with a second arc hole pair e and a third arc hole pair f of the first arc plate in the lower part.
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公开(公告)号：US20230064710A1
公开(公告)日：2023-03-02
申请号：US17819221
申请日：2022-08-11
申请人： Össur Iceland ehf
发明人： Arinbjorn Viggo Clausen , Bjarni Andresson , Ragnar Orn Gunnarsson , Christophe Guy Lecomte , Maria Gudrun Sveinbjornsdottir , David Sandahl , Atli Orn Sverrisson , David Langlois
摘要： A prosthetic foot can include an attachment member, at least one first brace, at least one first flexible member, an unpowered actuator, at least one second brace, and at least one second flexible member. The attachment member can include a connector configured to connect the attachment member to a user or another prosthetic device. The at least one first brace can mount to the attachment member and the at least one first flexible member can connect to the attachment member by the at least one first brace such that a force between the ground and the attachment member can be supported by the at least one first flexible member. The unpowered actuator can mount to the attachment member and the at least one second brace can mounted to the actuator. The at least one second flexible member can connect to the attachment member by the at least one second brace such that a force between the ground and the attachment member can be supported by the at least one second flexible member.
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公开(公告)号：US11564857B2
公开(公告)日：2023-01-31
申请号：US16072871
申请日：2017-01-25
申请人： B-TEMIA INC.
发明人： Katia Bilodeau , Benoit Gilbert , Stéphane Bédard
摘要： A load bearing assistance apparatus for transferring load from a lower extremity orthotic or prosthetic device to the ground. The load bearing assistance apparatus includes a lateral and a medial spring-loaded members and a linking mechanism for connecting the load bearing assistance apparatus to the lower extremity orthotic or prosthetic device. The linking mechanism also connects the lateral and medial spring-loaded members in a spaced apart configuration so as to position them adjacent the lateral and medial portions, respectively, of the foot of the user of the lower extremity orthotic or prosthetic device and such that a portion of the lateral and medial spring-loaded members enters in contact with the ground during locomotion.
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公开(公告)号：US11529247B2
公开(公告)日：2022-12-20
申请号：US16236807
申请日：2018-12-31
IPC分类号： A61F2/70 , A61F2/66 , A61H3/00 , A61F5/01 , B25J9/18 , B25J9/00 , H02K7/06 , A61H1/02 , A61F2/60 , G01P21/00 , A61F2/72 , G01L5/00 , A61F2/76 , A61F2/50 , H02K7/116 , A61F2/68
摘要： Hybrid terrain-adaptive lower-extremity apparatus and methods that perform in a variety of different situations by detecting the terrain that is being traversed, and adapting to the detected terrain. In some embodiments, the ability to control the apparatus for each of these situations builds upon five basic capabilities: (1) determining the activity being performed; (2) dynamically controlling the characteristics of the apparatus based on the activity that is being performed; (3) dynamically driving the apparatus based on the activity that is being performed; (4) determining terrain texture irregularities (e.g., how sticky is the terrain, how slippery is the terrain, is the terrain coarse or smooth, does the terrain have any obstructions, such as rocks) and (5) a mechanical design of the apparatus that can respond to the dynamic control and dynamic drive.
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公开(公告)号：US11471307B2
公开(公告)日：2022-10-18
申请号：US16494408
申请日：2018-03-09
发明人： Benjamin Penot
摘要： The present invention relates to a foot prosthesis (1, 61) comprising a heel (6, 71) and a tip (7, 62), both of which can bear on the ground, and an ankle support (2, 67), characterised in that the prosthesis also comprises at least one damping element (10, 76) designed to be at a distance from the ground.
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公开(公告)号：US11432947B2
公开(公告)日：2022-09-06
申请号：US16026110
申请日：2018-07-03
发明人： Mir Saeed Zahedi , Graham Harris , Stephen Terry Lang , Robert Michael Andrew Painter , David Moser
摘要： A prosthetic ankle has an ankle joint body (10A) constituting a shin component and a foot component (12). The ankle joint body (10A) is pivotally connected to the foot component (12) by a first pivotal connection (14) defining a medial-lateral ankle joint flexion axis. The ankle joint body (10A) also forms the cylinder of an ankle joint piston and cylinder assembly with a superior-inferior central axis, the cylinder housing a piston (16) with upper and lower piston rods (16A, 16B). The lower piston rod (16B) is pivotally connected to the foot component (12) at a second pivotal connection (18). As the ankle joint body (10A) pivots about the ankle joint flexion axis, the piston (16) moves substantially linearly in the cylinder formed by the ankle joint body. The cylinder is divided into upper and lower chambers (20A, 20B). These chambers are linked by an hydraulic circuit (22) incorporating passages (22A, 22B) in the ankle joint body (10A), and an energy conversion device in the form of a slave piston and cylinder assembly (24) having a piston (24P) and piston rods (24R) which project beyond the cylinder (24C) of the assembly (24).
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公开(公告)号：US20220273468A1
公开(公告)日：2022-09-01
申请号：US17753007
申请日：2020-08-11
发明人： Michael Davidson , Spencer Cutting
摘要： The present disclosure relates to an anatomically aligned prosthetic ankle with a passive assist and associated methods. The prosthetic ankle includes a talus movably coupled to a tibia section by a connector about which the talus is pivotal such so during locomotion by a user of the prosthetic ankle. The passive to assist provides a selected dorsi-flexion force to aid in the push-off or pre-swing phases of gait for the user.
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公开(公告)号：US20220249260A1
公开(公告)日：2022-08-11
申请号：US17677194
申请日：2022-02-22
申请人： Össur Iceland ehf
摘要： A prosthetic foot comprises an attachment member and two or more flexible members. The attachment member can include a connector configured to connect the attachment member to a user or another prosthetic device. The two or more flexible members can be rotatably attached to the attachment member by rotatable joints such that the flexible members can both rotate and flex relative to the attachment member when the prosthetic foot contacts the ground.
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公开(公告)号：US11376139B2
公开(公告)日：2022-07-05
申请号：US16686854
申请日：2019-11-18
申请人： Ossur Iceland ehf
摘要： A prosthetic system includes first and second parts rotatable relative to one another about a joint. The first and second parts are adapted to form at least part of a weight bearing connection between a prosthetic foot and a socket. A pump system includes a pump mechanism operatively connected to the first and second parts. Rotation of the first part and/or the second part about the joint moves the pump mechanism between an original configuration in which the volume of a fluid chamber defined by the pump mechanism is zero or near-zero, and an expanded configuration in which the volume of the fluid chamber is increased.
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