A prosthetic device having a rotatable pyramid and lateral travel limit is provided. A first member has a first end connectable to a prosthetic component and a second end with a bar having sides and a distal face. The distal face has ribs thereon. A central hole is provided through the first member. A second member has a first end with a pyramid and a second end with a ring that defines a recess with a solid face. A third member has a dome on a first end and a channel on the second end. The pyramid extends through a central hole through the dome. A screw passes through the central hole of the first member wherein it can engage the second member within the recess. The lateral movement of the bar within the channel is bound by the screw contacting the second member.

A hydraulic device includes a first plate that pivots in a first direction, a second plate that pivots in a second direction orthogonal to the first direction, a first hydraulic system comprising a first cylinder and piston, a second cylinder and piston and, channels connecting the first cylinder to the second cylinder, the first hydraulic system filled with hydraulic fluid, wherein the transfer of fluid between the first cylinder and second cylinder pivots the first plate, and a second hydraulic system comprising a third cylinder and piston, a fourth cylinder and piston and, channels connecting the third cylinder to the fourth cylinder, the second hydraulic system filled with hydraulic fluid, wherein the transfer of fluid between the third cylinder and fourth cylinder pivots the second plate.

A method of placing a prosthetic system over a residual limb, said method comprising the steps of: providing the prosthetic system; and placing an outer shell of the prosthetic system on the residual limb having an above-knee amputation, the outer shell at least partially surrounds the residual limb, an outer side and an inner side of the outer shell on opposite sides of the residual limb, an upper edge of the outer side above a greater trochanter, the inner side below a lowest edge of an ischium without being directly below the lowest edge of the ischium.

A prosthetic foot cover for a prosthetic foot having a sagittal plane and a plantar surface including a first cover component having a first internal cavity and being adapted to receive and cover a first portion of the prosthetic foot, a second cover component having a second internal cavity and being adapted to receive and cover a second portion of the prosthetic foot, and a means for detachably attaching the first cover component and the second cover component to the prosthetic foot. The first internal cavity has a first internal cavity contacting surface that directly contacts the first portion of the prosthetic foot, and the second internal cavity has a second internal cavity contacting surface that directly contacts the second portion of the prosthetic foot. A method for installing the prosthetic foot cover on the prosthetic foot.

An adapter module (2) configured to be attached, by a predetermined number of screws (4), to a socket member (6) of a prosthetic sleeve (8), into which sleeve (8) an amputation stump of a prosthesis user is to be inserted. The adapter module (2) comprises a module body (10) provided with a washer space (12) structured to provide room for a disc-shaped connection washer (14), the washer space (12) has an extension to provide for movement of the connection washer (14) within a plane essentially perpendicular to a longitudinal axis A of said prosthetic sleeve (8) prior the connection washer (14) is fixated in a determined position. The connection washer (14) is provided with a through-going first opening (16) structured to receive a washer attachment screw (18) such that the screw essentially extends along said longitudinal axis A. The through-going first opening (16) is preferably positioned off-centered of the washer (14) in order to maximize movement of the washer in all directions within the plane.

Various aspects of the present disclosure characterize apparatuses and/or methods as may be implemented with a variety of prosthetic components and applications. As may be consistent with one or more embodiments described herein, movement parameters pertaining to movement of a user of a prosthetic foot are sensed as the user travels along a surface, with the prosthetic foot having a front ball region and a rear heel region for respectively contacting the surface. A state of movement of the user, including a speed at which the user is travelling along the surface, is determined based on the sensed movement parameters. Utilizing a mechanical actuator, the prosthetic foot is dynamically positioned in response to the speed at which the user is travelling along the surface, by manipulating the mechanical actuator to move the rear heel region relative to the front ball region based on changes in the speed.

A prosthetic connector system for use with a prosthetic socket having a distal end includes a plate defining a plurality of holes and attachable to the distal end of the prosthetic socket. A component is removably attachable to the plate via the plurality of holes and arranged to connect a prosthesis to the prosthetic socket. The plate defines an outer periphery having an asymmetrical configuration contoured to substantially correspond to at least a portion of the component when the component is attached to the plate via at least some of the holes.

An alignable coupling assembly embodiment for coupling distal and proximal prosthetic components includes a pair of parallel circular plates rotatably disposed in the circular receptacle of a support plate. The circular plates are configured such that they can be unpressed or a pressed. The unpressed condition allows rotation of the paired plates and the pressed condition prevents such rotation by way of a first friction lock. The paired circular plates further have a rectangular slot into which a longitudinal connector is slidably disposed, and which is subject to a second friction lock that prevents sliding when the connector is pulled distally. Rotational movement of the plates and sliding movement of the connector in the slot cooperate to allow its positioning at any point within an anterior-posterior/lateral medial grid centered on the longitudinal axis of the proximal prosthetic component. A distal pull on the longitudinal connector engages both first and second friction locks.