Other

Otto Bock Healthcare Gmbh

Nettwork Manufacturing, Inc.

Caspers-schneider Technologies, Inc.

Carl A Caspers

Maitland C MacKenzie

Barbara J Caspers

Embodiments herein relate to socket liners for prosthetic systems and prosthetic systems including the same. In an embodiment, a socket liner for a prosthetic system is included having a polymeric wall member defining an interior volume. The polymeric wall member having an inner surface bordering the interior volume and an outer surface. The polymeric wall member can include an anterior side, a posterior side, a first lateral side and a second lateral side the second lateral side opposite the first lateral side. A plurality of horizontal ridges can be disposed on the inner surface of the polymeric wall member on the first lateral side and the second lateral side. A plurality of vertical channels can be disposed on the inner surface of the polymeric wall member on the anterior side and the posterior side. Other embodiments are also included herein.

Socket liner interface system

A hypobarically-controlled artificial limb for amputees includes a single socket with a volume and shape to receive a substantial portion of the residual limb. A sealed cavity is formed between the socket and the residual limb. The wearer may use a liner over the residual limb for comfort. A vacuum source is connected to a vacuum valve connected to the cavity to suspend the artificial limb from the residual limb and to control and minimize volumetric and fluid changes within the residual limb. A liner for a hypobarically-controlled socket for an artificial limb, with a liner interface bonding the liner to the socket and forming a seal between the liner and the socket. The liner may be permanently attached to the socket or the liner may be removed from the socket for replacement.

Socket liner for artificial limb

An apparatus and method is provided for securing a prosthesis to the residuum of a limb of an amputee and for providing pressure therapy to the residuum so as to manage fluid within the residuum. The apparatus includes a socket shaped to receive a residuum of a limb of an amputee and configured to connect to a prosthetic limb. The socket forms a chamber between the socket and the residuum when the socket receives the residuum. The apparatus also includes a pressure control device operably connected to the chamber and capable of creating a positive pressure and a negative pressure within the chamber to provide pressure therapy to the residuum, as well as provide securement of the socket to the residuum. The apparatus may also include a liner surrounding at least a portion of the residuum. The control device adjusts pressure within the chamber based on manual and automatic inputs.

Pulsating pressure chamber and method for fluid management

An apparatus and method for monitoring aspects of a socket of a prosthetic limb having a residual limb contained therein. The apparatus includes and the method uses sensors for measuring one or more of pressure, force, temperature, moisture, and vacuum and one or more devices for displaying sensor values to the wearer, setting sensor limits, and/or sounding an audible alarm when a sensor limit is exceeded.

Pressure/temperature monitoring device for prosthetics

A system for removing perspiration from a residual limb inserted in a prosthesis comprising an nonporous prosthesis socket, a porous thin sheath adjacent the socket, a nonporous liner adjacent the sheath, an osmotic membrane adjacent the liner allowing water vapor to pass from the limb but preventing liquid from passing to the limb, a nonporous seal that prevents air leakage between the residual limb and the socket; and, a vacuum source to reduce the pressure in a space between the limb and socket. A method of removing perspiration from a residual limb in a prosthesis.

Osmotic membrane and vacuum system for artificial limb

A hypobarically-controlled artificial limb for amputees includes a single socket with a volume and shape to receive a substantial portion of the residual limb. A liner with a volume less than the residual limb is donned over the residual limb, with the liner tensioned into a total contact relationship with the residual limb. A sealed cavity is formed between the socket and the liner. A vacuum source is connected to the socket cavity thereby drawing the residual limb and liner into firm and total contact with the socket. To compensate for some air leakage past the seal, there is a mechanism to maintain the vacuum in the cavity. A plate/socket attachment connects the vacuum source to the cavity.

Plate/socket attachment for artificial limb vacuum pump

A weight-actuated vacuum pump for a hypobarically-controlled artificial limb having a socket with a cavity to receive a residual limb. A dual-action pump has a housing fixedly attached to the socket of the artificial limb, a cylinder reciprocating within the housing and attached to the pylon of the artificial limb, a first chamber within the cylinder, a piston reciprocating within the first chamber, a second chamber between the cylinder and the housing, and valve means for connecting the first chamber and second chamber to the cavity and to atmosphere. A single-action pump has a housing fixedly attached to the pylon of the artificial limb with a first chamber therein, a piston reciprocating in the first chamber with a seal, forming a second chamber between the piston and the housing, an intake/exhaust port connected to the second chamber, and one-way valves connecting the second chamber to the cavity and to atmosphere. Ambulation causes the vacuum pump, under the influence of the wearer's body weight, to draw air out of the cavity, producing a vacuum within the cavity.

Vacuum pump and shock absorber for artificial limb

A hypobarically-controlled artificial limb for amputees includes a single socket with a volume and shape to receive a substantial portion of the residual limb. A liner with a volume less than the residual limb is donned over the residual limb, with the liner tensioned into a total contact relationship with the residual limb. A sealed cavity is formed between the socket and the liner. A vacuum source is connected to the socket cavity thereby drawing the residual limb and liner into firm and total contact with the socket. To compensate for some air leakage past the seal, there is a mechanism to maintain the vacuum in the cavity.

Vacuum apparatus and method for managing residual limb volume in an artificial limb

A weight-actuated vacuum pump and shock absorber for an artificial limb. Ambulation causes the vacuum pump, under the influence of the wearer's body weight, to draw air out of the artificial limb socket cavity, producing a vacuum within the socket. The vacuum pulls the residual limb into firm and total contact with the socket and prevents the loss of fluids in the residual limb. A shock absorber acts in conjunction with the vacuum pump to reduce the shock of impact on the wearer caused by ambulation.

A weight-actuated vacuum pump for a hypobarically-controlled artificial limb having a socket with a cavity to receive a residual limb. A dual-action pump has a housing fixedly attached to the socket of the artificial limb, a cylinder reciprocating within the housing and attached to the pylon of the artificial limb, a first chamber within the cylinder, a piston reciprocating within the first chamber, a second chamber between the cylinder and the housing, and valves for connecting the first chamber and second chamber to the cavity and to atmosphere. A single-action pump has a housing fixedly attached to the pylon of the artificial limb with a first chamber therein, a piston reciprocating in the first chamber with a seal, forming a second chamber between the piston and the housing, an intake/exhaust port connected to the second chamber, and one-way valves connecting the second chamber to the cavity and to atmosphere. Ambulation causes the vacuum pump, under the influence of the wearer's body weight, to draw air out of the cavity, producing a vacuum within the cavity.

Prosthetic liner reinforcement patch

A hypobarically-controlled artificial limb for amputees includes an outer socket, a flexible, compressible inner socket within the outer socket with a cavity for receiving the residual limb, a space between the inner socket and the outer socket, a vacuum source connected to the cavity, a positive pressure source connected to the space, a regulator for controlling the vacuum source and positive pressure source, and a seal for making an airtight seal between the residual limb and the socket. Another embodiment includes a semi-compressible molding material in the space to mold to the contours of the residual limb under the influence of vacuum and/or positive pressure. Another embodiment includes a positive mechanical interlock between the inner socket and the outer socket.

Hypobarically-controlled, double-socket artificial limb with mechanical

A hypobarically-controlled artificial limb for amputees includes an outer socket, a flexible, compressible inner socket within the outer socket with a cavity for receiving the residual limb, a space between the inner socket and the outer socket, a vacuum source connected to the cavity, a positive pressure source connected to the space, a regulator for controlling the vacuum source and positive pressure source, and a seal for making an airtight seal between the residual limb and the socket. Another embodiment includes a semi-compressible molding material in the space to mold to the contours of the residual limb under the influence of vacuum and/or positive pressure.

Hypobarically-controlled artificial limb with detents for amputees

A visco-elastic polymer liner and sleeve for prosthetic devices utilize the liner for donning over a residual limb and fitting within the socket of an artificial limb. The sleeve is rolled on over the top of the artificial limb and onto the amputee's remaining stump. The liner is shaped to have its cavity formed with a volume and shape less than a volume and shape of the residual limb for both tension and tissue configuration relief while the liner has an outer surface formed with a volume and shape greater than the volume and shape of the artificial limb socket for relief of certain tissue configurations and to create weight bearing, relief and compression areas on and in the liner to absorb and dissipate shock, shear and mechanical forces through the liner otherwise transmitted to the residual limb. The sleeve is shaped like a tube.

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Avon, MN, United States of America

Carl A Caspers