35 results about "Prosthetic socket" patented technology

A prosthetic attachment system and corresponding lock assembly are provided for connecting a distal end of a prosthetic liner to a distal end of a prosthetic socket, by combining vacuum suspension and mechanical suspension. An attachment pin extends from a distal end of the prosthetic liner. A connector assembly secures to a distal end of the prosthetic socket and is adapted for receiving and locking to the attachment pin. A lanyard assembly has a first end secured to the connector assembly and a second end extending outwardly from the distal end of the prosthetic socket and adapted to secure to an exterior surface of the prosthetic socket by an external securing system.

This invention relates to a prosthetic socket device, a prosthesis, and a negative pressure adjustment method. The prosthetic socket device includes a receiving shell and an adjustment and fixing device. The receiving shell has a receiving cavity with one open end. One end of the receiving shell is detachably connected to the adjustment and fixing device, and the other end is connected to a mounting part for mounting and fixing the prosthesis body. The adjustment and fixing device has an adjustment and fixing cavity that can be adjusted and positioned according to the size of the residual limb. The adjustment and fixing cavity communicates with the receiving cavity through the opening, allowing the residual limb to pass through the adjustment and fixing cavity and extend into the receiving cavity for fixation. The prosthetic socket device, prosthesis, and negative pressure adjustment method provided by this invention solve the problems of high cost and poor applicability of existing prosthetic sockets.

The invention discloses an artificial limb receiving cavity motion data acquisition device, and belongs to the field of data acquisition. The device comprises an inertial sensor used for collecting acceleration information and angular velocity information of an artificial limb receiving cavity; the data storage module is used for storing data information acquired by the inertial sensor; the data processing module is used for preprocessing the information stored in the data storage module; and the power supply module is used for supplying power to the inertial sensor, the data storage module and the data processing module.

The utility model discloses an artificial limb socket with a neck bush, and relates to the technical field of artificial limb sockets. Comprising an artificial limb receiving cavity, and a threaded hole is formed in the bottom of the artificial limb receiving cavity; the neck bush is used for being arranged on the stump in a sleeving mode, a metal support is arranged at the bottom of the outer side of the neck bush, and a lock pin is detachably connected to the center of the bottom of the metal support; the anti-damage bottom support structure is arranged at the lower end part of the neck bush and is connected with the metal support; and the outer side of one end of the special-shaped lock, which is provided with a lock hole for inserting the lock pin, is provided with an external thread and extends into the threaded hole to be connected with the artificial limb receiving cavity through threaded connection. The neck bush is detachably connected into an artificial limb receiving cavity through the special-shaped lock, wearing of an artificial limb is facilitated, meanwhile, the stump is better supported through the anti-damage bottom support structure at the rigid connecting position of the bottom of the neck bush, the stump is prevented from being hurt due to the fact that reverse acting force is generated on the stump, and the leg is prevented from being hurt.

A method of cooling a prosthetic socket includes placing a thermally conductive heat spreader including a curved shape portion in contact with a residual limb of a user, placing a heat extraction subsystem through a wall of the prosthetic socket and coupling the heat extraction subsystem to the thermally conductive heat spreader, and operating the heat extraction subsystem to drive heat from inside the prosthetic socket to an external environment using the thermally conductive heat spreader and the heat extraction subsystem such that a desired temperature is maintained in the prosthetic socket.

A sensor-driven adaptive thermal regulation system for prosthetic sockets is disclosed. The system integrates sensors with active thermoelectric cooling elements to manage heat and moisture accumulation within the prosthetic socket. Thermoelectric modules are positioned in proximity to the user's residual limb and are controlled by a Processing unit via; Logic-based circuitry. A heat transfer material serves as a thermal sink and a prosthetic liner, absorbing heat through state transitions to enhance dissipation. The system supports both manual and autonomous operation. In manual mode, users control cooling via a mobile application featuring biometric authentication, real-time sensor monitoring, and override functionality. In autonomous mode, cooling is triggered automatically when preset environmental thresholds are exceeded. A flexible heat sink further ensures efficient thermal transfer, improving prosthetic fit, comfort, and wearability. The system may be integrated into liners or retrofitted into existing above-knee and below-knee prosthetics.

A ventilated prosthetic socket includes a rigid, structural and load-bearing socket body forming an inner volume adapted to receive a residual limb, and a wall thickness extending from an inner wall surface bordering the inner volume to an outer wall surface. The socket body defines an opening extending through the wall thickness. At least one vent element communicates the inner wall surface to the outer wall surface and extending therebetween in the opening along the socket body to thereby permit a transfer of air from the inner volume to outside of the socket through the opening. The at least one vent element is separately formed from the socket body and discretely insertable into the opening and secured against the inner surface and the outer wall surface. A method and kit are provided to adapt the socket in a ventilated form.

A 3D printed prosthetic socket with a reinforced distal end comprises a shell (1) formed by 3D printing using a method of material extrusion, wherein the shell (1) comprises a proximal end of the shell (1) with an opening for inserting a residual limb of a lower extremity and a distal end of the shell (1). The prosthetic socket further comprises a reinforcing member (2) fixed to the distal end of the shell (1) by means of a connecting interlayer (3), wherein the reinforcing member (2) comprises a hollow part (4) of the reinforcing member (2) surrounding the lateral wall of the distal end of the shell (1) on all sides.

This invention presents a lightweight, durable, and affordable composite prosthetic socket material that utilizes false banana fiber as the main reinforcement and crystalline nanocellulose particles (CNCPs) 85 fillers in 8 polymer matrix. The material is fabricated through 8 vacuum-assisted resin transfer molding (VARTM) process that ensures uniform impregnation and minimal voids. The combination of treated false banana fibers and nanocellulose significantly improves load-bearing capacity and interfacial bonding, allowing the socket to withstand compressive forces above 15ር3 10328 requirements by 94.77 %. Compared to conventional glass-fiber acrylic resin sockets, the new composite exhil nearly equal ultimate strength but are lighter, biodegradable, and substantially lower in cost, making it highly suitable for prosthetic manufacturing in low-income settings.

The utility model discloses an exhaust device of a prosthetic socket, which belongs to the technical field of prostheses and comprises a prosthetic socket and an exhaust component, the prosthetic socket is sleeved on the outer side of a stump silicon rubber case, and the exhaust component is fixedly arranged at the lower end of the prosthetic socket. The exhaust assembly comprises a first one-way exhaust valve detachably installed on the outer side of the artificial limb receiving cavity, a suction cup fixedly adsorbed to the first one-way exhaust valve, a three-way pipe fixedly connected to the suction cup and a micro vacuumizing motor connected with one end of the three-way pipe. The second one-way exhaust valve is connected with the other end of the three-way pipe; and the control part is fixedly mounted on one side of the micro vacuumizing motor. According to the exhaust device for the prosthetic socket, air on the inner side of the prosthetic socket is extracted, so that the prosthetic socket can be attached to the outer side of a stump silicon rubber case, the stump silicon rubber case end of a user can fully apply force, the use experience is provided, and a second one-way exhaust valve is arranged at the tail end of a three-way pipe.

Method of designing a trans-femoral prosthesis, which includes an artificial limb replacing the missing limb and a terminal for coupling said artificial limb to a stump, the method comprising the following steps: the separation of the coupling terminal to the stump into two functional components (1, 2); the definition of an algorithm that describes the three-dimensional trend of the shape of the internal surface of the first component (1) intended to adhere to the external surface of a generic stump; generating a function that describes the shape of the internal surface of said first component (1) morphologically adapted to a specific stump; the generation of a digital model of said first and / or second component configurable or convertible into a command file for the control of a manufacturing device of the numerical control type; manufacturing of said prosthetic socket obtained by executing said command file; and the coupling of the said two components of the said prosthetic socket.

Embodiments include a prosthetic thumb device that includes a track configured to attach to a prosthetic socket, a carriage, and a locking mechanism. The carriage can include a first component that couples to the track such that the carriage is operable to move along the track, and a second component that is configured to couple with a prosthetic digit and operable to rotate with respect to the first component. The locking mechanism can be coupled to the carriage and configured such that, in a first state, it prevents the carriage from moving along the track in a first direction and, in a second state, it allows the carriage to move along the track in the first direction. Embodiments can also include the track having a curved profile, and the carriage is operable to move along the curved profile of the track.

The present disclosure provides a prosthetic liner comprising a liner body configured to fit over a residual limb of an amputee, the liner body having an outer surface, and one or more elastomeric regions disposed on the outer surface of the liner body. The one or more elastomeric regions are configured to increase friction between the outer surface of the liner body and an inner surface of a prosthetic socket. The elastomeric regions may be arranged in a pattern on the outer surface, such as strips, lines, dots, or a customizable image. The liner body may be covered with a fabric material except for the elastomeric regions, which are formed from an exposed elastic polymer material.

A method of fabricating a prosthesis socket includes applying a socket material to a portion of a limb. After applying the socket material, the portion of the limb is placed into an interior region of a flexible liner of a socket fabrication system, which interior region also includes a set of beads. The socket fabrication system includes a rigid outer cylinder defining an interior volume in which the flexible liner is disposed. A top end portion of the flexible liner is sealed to an upper portion of the limb positioned outside of the cylinder and flexible liner. A vacuum is produced within the interior region of the flexible liner with the patient in a standing position and the rigid outer cylinder bearing a portion of a weight of the patient. The vacuum causes the plurality of beads to compress the socket material to conform to the limb.

The invention relates to a process of designing and manufacturing a tailored 3D printed or standard prosthetic socket for a residual limb with a 3D printed distal end, and a computer device for carrying out the process. The process includes obtaining a digital surface of the residual limb and information about the patient, possibly altering the digital surface of the residual limb, creating a shell of the prosthetic socket comprising the altered digital surface of the residual limb, virtually spatially arranging the prosthetic socket including virtual spatial translational or rotational movements of selected prosthetic parts and the prosthetic socket for optimal load transfer from a residual limb to the prosthesis, wherein the structural design of the prosthetic socket is based on the virtual axial adjustment of the prosthesis.

The invention provides an artificial limb socket, an artificial limb and a manufacturing method thereof, and the artificial limb socket comprises a housing which is used for connecting the artificial limb; the buffer layer structure is arranged in the shell in a surrounding mode, and the buffer layer structure has the negative Poisson's ratio characteristic; the flexible lining is arranged in the inner cavity of the buffer layer structure, a receiving cavity with one open side is formed, and the receiving cavity is used for being connected with the stump of the user; the shell, the buffer layer structure and the flexible lining are generated through double-head 3D printing, synchronous printing is conducted through a first extrusion head and a second extrusion head in the double-head 3D printing process, the first extrusion head prints the flexible lining and the buffer layer structure through a flexible material, and the second extrusion head prints the shell through a hard material. The problems that in the prior art, artificial limb socket production processes are many, and labor resources are wasted are solved.

A method for operating a prosthetic socket (4) for receiving an amputation stump (1) is proposed, wherein the prosthetic socket (4) has at least one pressure chamber (7), the pressure chamber (7) being connected to a valve (6, 8) for letting fluid in and out of the pressure chamber (7), and wherein the pressure in the pressure chamber (7) is regulated according to the situation. Furthermore, a prosthetic socket (4), a method for manufacturing a prosthetic socket (4), and a method for providing a prosthetic socket (4) are proposed.

1. Name of the designed product: main body of prosthetic socket. 2. Use of the designed product: for supporting and fixing residual limb. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1. 5. Other circumstances needing to be explained: the parts shown by solid lines in the views represent the parts of the product that need protection; the parts shown by dashed lines represent the parts of the product that are not claimed in the application.

The subject of the invention is a method of designing and manufacturing a prosthetic socket, comprising a step of creating a test socket (1) based on an initial digital model of the test socket (1), a step of adjusting the test socket (1), a step of scanning the adjusted test socket (1) to create a digital model of the adjusted test socket (1), a step of creating a digital model of the final prosthetic socket based on the digital model of the adjusted test socket (1), and a step of manufacturing the prosthetic socket based on the digital model of the final prosthetic socket. The step of adjusting the test socket (1) comprises performing at least one physical shape change (2) of the test socket or marking the required shape change (2) of the test socket on the outer surface area (3) of the test socket, the step of scanning the adjusted test socket (1) comprises the step of scanning the outer surface area (4) of the adjusted test socket, and the step of creating the digital model of the final prosthetic socket comprises determining at least part of the inner surface area of the digital model of the final prosthetic socket based on the outer surface area (4) of the digital model of the adjusted test socket.

A prosthetic attachment system and corresponding lock assembly are provided for connecting a distal end of a prosthetic liner to a distal end of a prosthetic socket, by combining vacuum suspension and mechanical suspension. An attachment pin extends from a distal end of the prosthetic liner. A connector assembly secures to a distal end of the prosthetic socket and is adapted for receiving and locking to the attachment pin. A lanyard assembly has a first end secured to the connector assembly and a second end extending outwardly from the distal end of the prosthetic socket and adapted to secure to an exterior surface of the prosthetic socket by an external securing system.

An adjustable seal system, seal component for use in the system, and method are provided for forming a sealing interface between a residual limb and a prosthetic socket. The seal component is selectively placed over the outer surface of a suspension liner including a plurality of seal bands, which the seal component may removably and securely engage.

A brim, method, and prosthetic socket system includes a brim configured to secure onto the proximal end of a prosthetic socket. The brim has a cuff section extending proximally from the outer edge of the socket and an interface section that forms a pocket with at least one lip that extends over the socket's proximal end. The brim may incorporate reinforcement or textile layers to improve adhesion with a resin-impregnated socket blank and may include flexible strap regions that create a flexion brim, allowing for limb movement. The method involves placing fiber braids and textile layers over a mandrel, inserting the proximal fiber ends into the brim pocket, and applying resin to create a continuous structure. The brim or finished socket assembly provides enhanced durability, flexibility, and comfort, while eliminating the need for post-grinding of the proximal socket edge and offering a seamless cosmetic finish.

A prosthetic socket (100) that is adapted to fit to a residual limb adjustably with a textile-based sleeve (116). The prosthetic socket (100) includes a tensioning system (150) that cooperates with the sleeve (116) and allows for major and minor adjustments of circumferential cable (124) tension around the prosthetic socket (100).

A method for 3D printing a prosthetic socket from a digital model, including printing a solid wall perimeter of the prosthetic socket with a width achieved in a single pass of a printing nozzle, and forming a plurality of stiffener elements proximate a bottom end of the prosthetic socket, as a function of the printing the solid wall perimeter, is provided. Also provided is a 3D printed prosthetic socket including an upper portion, a lower portion configured to be attached to a prosthetic pylon, and a plurality of stiffener elements radially extending from the lower portion, wherein the upper portion, the lower portion, and the plurality of stiffener elements are printed as a solid wall construction comprised of a printing material deposited using only a single pass of a printing nozzle.

The utility model provides a testing machine for an exhaust valve of a prosthetic socket, which belongs to the technical field of socket testing and comprises a testing machine body, a first external connection pipe, a second external connection pipe and a sealing plate are arranged in the testing machine body, and the sealing plate is fixedly sleeved on the outer surface of the first external connection pipe; an air inlet joint and an exhaust joint are arranged on the testing machine body in a penetrating and communicating manner, one end orifice of the air inlet joint is communicated with an air inlet passage assembly, and the other end orifice is in detachable threaded connection with a first external pipe; a pipe orifice at one end of the exhaust joint is communicated with an exhaust passage assembly, and a pipe orifice at the other end is in detachable threaded connection with the second external pipe; a pressure gauge and an air pump are installed on the testing machine body, the air inlet end of the pressure gauge is fixedly communicated with a connecting pipe, and the connecting pipe is fixedly communicated with the air inlet connector. And the exhaust passage assembly is opened, so that gas in the sealed space is slowly exhausted through the exhaust passage assembly, and the pressure gauge can detect the pressure in the sealed space in real time.

The invention relates to a method for manufacturing a prosthetic socket (1) having a proximal opening (2) for receiving an amputation stump, a base body (3) and an inner surface (4), comprising the steps: a) Acquiring an outer surface (5) corresponding to the inner surface (4) of the prosthetic socket (1); b) Creating a positive model (6) with an inner shell (7), an outer shell (8), an interface (9), a cavity (10) and a connection geometry (11) based on the outer surface (5) which corresponds to the inner surface (4) of the prosthesis stem (1); c) Pouring the cavity (10) with a casting compound (12) and allowing it to harden to form a positive mold (13); d) Placing a pull-out part (14) on the positive form (13); e) Shaping a material onto the positive form (13) to obtain the basic body (3); f) Separating the base body (3) from the positive form (13).

The utility model relates to the technical field of prostheses, and discloses a prosthetic socket with a bacteriostasis function, which comprises a connecting end and a prosthetic body, the connecting end is arranged at the bottom of the prosthetic body, a plurality of through holes penetrating through the prosthetic body are arranged on the prosthetic body, an inner cavity is arranged in the prosthetic body, and the connecting end is arranged at the bottom of the prosthetic body. A plurality of limiting guide rails are arranged on the inner wall of the inner cavity at intervals in the circumferential direction, through the arrangement of the lining plate, the through hole, the arc-shaped supporting plate and other structures, in the using process of the artificial limb body, it is guaranteed that a certain ventilation space is formed between the amputation end of a user and the lining plate through mutual cooperation of the through hole, the strip-shaped cavity and the strip-shaped groove, and therefore the ventilation effect of the artificial limb body is improved. The artificial limb has the advantages that a dry and comfortable environment in the artificial limb body can be guaranteed, bacterium breeding is reduced, bacterium breeding can be further inhibited by the aid of the activated carbon antibacterial layer, and comfort of a user is further guaranteed.

The utility model relates to a technical field of artificial limb especially a kind of artificial limb socket, including outer layer cavity, inner layer cavity is set in the cavity of outer layer cavity, and one end opening is worn in the artificial limb position of user, wherein, outer layer cavity and inner layer cavity are all formed by 3D printer printing, the inner surface of outer layer cavity and the outer surface of inner layer cavity are matched, outer layer cavity and inner layer cavity are formed by 3D printer printing, can be customized production according to the accurate scanning data of patient stump, match the unique stump profile of each patient, when patient stump changes due to health reason, just need to reprint inner layer cavity or outer layer cavity, cavity adjustment can be easily realized, without like traditional craft as a whole to make, significantly reduce the economic cost and time cost of patient, the inner surface of outer layer cavity and the outer surface of inner layer cavity are matched, reduce the discomfort brought to patient due to shaking or displacement, also help to improve the functionality and use efficiency of artificial limb as a whole.

Sealing ring (10) for generating a vacuum (50), which is pulled over a prosthesis liner (30) and, when inserted into a prosthesis shaft (40), enables a multi-stage seal due to its curved shape and perforation (20), characterized in that the perforation (20) is closed during compression and thereby creates an additional internal vacuum (50) in the sealing ring (10).