67 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.

A 3D printed prosthetic liner adapted to provide an interface between a residual limb and a prosthetic socket, specifically a prosthetic liner manufactured using a 3D printing device, the surface of which being treated with one or more applications of a casting resin, and preferably a urethane-based casting resin forming a treated prosthetic liner having enhanced strength and pliability.

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.

A prosthetic suspension sleeve with a fabric section of 5-60 degrees that allows for a greater comfort for the wearer. The use of polymeric material is easier on the skin while also enhancing the function of the sleeve by retaining its location due to the grip on the skin and exterior socket wall and sealing the socket and wearer' s skin to allow a vacuum to form or be created within the socket. The sleeve generally comprises an internal gel or silicone layer and an outer fabric layer, both of which are pre-flexed to a 5 to 60-degree bend at about a midsection of the sleeve, and an internal fabric layer which is located throughout the midsection of the suspension sleeve depending on the placement of a prosthetic socket. The prosthetic suspension sleeve may also be a straight sleeve with fabric reinforcement. The internal fabric layer may alternatively further comprise an internal layer of sprayed silicone.

The utility model relates to an artificial limb socket fitting and taking device, which belongs to the technical field of medical auxiliary instruments and comprises a platform for a patient to stand, a supporting part movably connected with the platform along the outer edge of the platform and vertically extending, and a supporting part movably connected with the platform along the outer edge of the supporting part, and the connecting sleeve is connected with the supporting part and is used for mounting an artificial limb receiving cavity. Through the structure, the supporting part and the connecting sleeve are not only fixed at one position any more, during use, a patient stands on a platform, and when the patient does not try on or take the shape, the supporting part and the connecting sleeve on the supporting part are moved to one side of the residual limb of the patient, and the receiving cavity is installed on the connecting sleeve; and the supporting part and the connecting sleeve on the supporting part are moved away from one side of the stump, so that the supporting part and the connecting sleeve are prevented from interfering and blocking the operation of a stump maker, and the artificial limb socket fitting and taking device is higher in practicability.

A sensor device for use with a prosthetic socket includes a base material with at least one flexible printed circuit board (PCB) secured to the base material, the PCB having a plurality of pressure sensors. The PCB may include a radial arrangement of multiple PCBs or a single PCB with an integrated sensor array connected to a main processing unit via a flat ribbon cable. Comfort cell sensors with embedded BLE pressure sensors may also be used. The sensor device is positioned between a prosthetic silicone liner and socket to measure interface pressure. The data is processed to generate a real-time 3D pressure heatmap and may also be processed into 3D surface models using backend processing pipelines. Visualization software supports UV mapping, heuristic pressure analysis, and GPU-accelerated rendering, while a mobile application enables real-time interaction with the data for prosthetic fit evaluation.

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.

The invention discloses a digitization and flexible pressure sensor combined thigh prosthetic socket optimization manufacturing method. Performing digital reconstruction on the thigh stump physical model; performing space calibration and size calibration processing on the reconstructed stump structural plane digital model; carrying out sparse processing on the stump structural plane digital model after space calibration and size calibration, and editing and optimizing the stump structural plane digital model; splicing the sparse point cloud digital model and the digital point cloud model of the hat brim and the seat support to form a thigh artificial limb digital model; a flexible pressure sensor is arranged for pressure analysis and adjustment of the thickness of a local segment, a prosthetic socket digital model with double-sided sparse point clouds formed on the outer layer surface is generated, and finally conversion is performed for 3D printing. According to the invention, the flexible sensing unit corresponds to the point cloud unit on the digital skin, real-time change evaluation of muscle stress under static and dynamic conditions is carried out, the physiological change of a patient can be rapidly adapted during re-examination, and a more personalized and timely rehabilitation solution is provided.

1. The name of the design product: prosthetic connection head (translation adjustable 2). 2. The use of the design product: mainly used for the connection, translation and adjustment of artificial prosthetic socket. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

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.

The Invention refers to a method for manufacturing a new prosthesis for a lower limb, the method comprising the following steps:a) Providing 3D-data of a prior inner surface of a prior socket and of ist position and its orientation relative to a component adapter, —b) Creating a 3D model of a prosthetic socket with an attachment area for a socket adapter, wherein the prosthetic socket has an inner surface based on the scanned prior inner surface and an outer surface, —c) Determining information about an orientation transmitter, —d) Manufacturing of the prosthetic socket based on the 3D model and providing the orientation transmitter based on the information, —e) Directly or indirectly connecting the manufactured socket to a component adapter by means of the orientation transmitter so that the position and orientation of the inner surface of the prosthetic socket relative to the position and orientation of the component adapter corresponds to the position and orientation of the prior inner surface of the prior socket to the component adapter.

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.

The present disclosure provides methods for fabricating an instrumented prosthetic socket including a. layered, fabrication with inductive sensors positioned between electrically insulating layers of the socket. The present disclosure further provides methods for tracking of position relationship between socket and socket liner using inductive sensor arrays, and inductive sensor configurations for placement on a curved surface.

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 application relates to the field of intelligent adjustment technology. Specifically, it discloses a prosthetic socket and its adaptive adjustment method. It uses artificial intelligence technology based on deep learning to analyze the pressure values between the residual limb and the socket collected by multiple pressure sensors, captures the pressure correlation pattern between the position of the residual limb and the socket, and introduces the spatial topological features between each pressure sensor to strengthen the feature expression of the pressure correlation pattern between the position of the residual limb and the socket, so as to intelligently evaluate the matching degree between the residual limb and the socket, and then realize the adaptive adjustment of the prosthetic socket. In this way, it can make the prosthetic socket more suitable for the residual limb, improve the comfort and stability of the prosthesis, reduce the pain and injury of the residual limb, and thus improve the quality of life of amputees.

Provided is a prosthetic socket capable of realizing both a decrease in pain felt by a wearer and generation of sufficient fastening force. A socket body 10 capable of forming a tubular shape that covers an outer periphery of a living body end portion FA includes an inner peripheral end portion 14 and an outer peripheral end portion 15. The outer peripheral end portion 15 overlaps the inner peripheral end portion 14 from an outer side in a radial direction of the tubular shape, and by increasing or decreasing an overlap area in the circumferential direction between the inner peripheral end portion 14 and the outer peripheral end portion 15, a total circumferential length of the tubular shape is decreased or increased. A plurality of through holes 21 are passed through the inner peripheral end portion 14, and are arranged in an axial direction of the tubular shape and spaced apart from each other. A plurality of linear bodies 20 include a one end portion 20A that is supported by the outer peripheral end portion 15 on one side in the circumferential direction of a tip 14A of the inner peripheral end portion 14, and an other end portion 20B that is supported by the socket body 10 on another side in the circumferential direction of the tip 14A of the inner peripheral end portion 14, the plurality of linear bodies 20 being passed through the through holes 21, being arranged in the axial direction and spaced apart from each other.

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 present disclosure pertains to prosthetic systems (100, 300) that encompass a prosthetic foot (104) and a pump mechanism (102) devised to eliminate fluid between a prosthetic socket and a residual limb or liner, thereby sustaining a hypobaric pressure chamber within a cavity of the prosthetic socket. The pump mechanism may incorporate a fluid chamber (134) established between a membrane (126) and the housing (108) of the pump mechanism. Forces resulting from the user's gait during the compression and expansion of the prosthetic foot can be transmitted to an L-brace, which is configured to actuate the membrane of the pump mechanism, facilitating the influx and efflux of fluid into and from the fluid chamber.

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.

An orthotic or prosthetic device with a shaped joint for connecting parts of, in particular, prosthetic sockets, limb orthoses, cranial orthoses, trunk orthoses comprises multiple parts made of different materials. The orthotic or prosthetic device comprises a first part made of a first material and a second part made of a second material connected to the first part. The first material and the second material have different elasticities. The first part and the second part together form a continuous wall of the orthotic or prosthetic device. The first part comprises a groove having a mouth in the wall of the first part. The groove bends around the mouth edge of the groove. The second part comprises a projection following the shape of the groove inserted in the groove.

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.

An electrode interface is provided to measure muscle activity in a prosthetic assembly including a prosthetic liner and a prosthetic socket. The interface includes an electrode secured to the prosthetic liner and an electrical conduit arranged to transfer an electrical potential from the interior side of the prosthetic liner to the exterior side of the prosthetic liner. The electrode may be a stretchable conductive textile and the electrical conduit is arranged to transfer an electrical potential from a user's skin surface to a dome electrode secured to the prosthetic socket to provide electrical contact with the conductive textile and relay signals to an amplifier.

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.