Functional foot cover

A cover for a foot prosthesis comprises an opening at a top end of the cover, which extends into a cavity formed within the cover, wherein the cavity is configured to receive a prosthesis therein. A wall surrounds the cavity and has the shape of a natural human foot. The wall has an inner surface and an outer surface. The wall also has a top section, a bottom section and a rear section. The bottom section defines a sole area having a toe section, a heel section, and a metatarsal region, wherein the sole area is provided with varying levels of stiffness configured to induce a desired rollover from heel-to-toe in a lateral-to-medial direction.

Foot prosthesis with resilient multi-axial ankle

The present foot prosthesis includes various structural features that provide the foot with advantageous rollover properties. In certain embodiments, the foot guides rollover toward the medial side. For example, an asymmetrical upper element and a correspondingly shaped resilient ankle member support more of the wearer's weight on the lateral side as the foot rolls over. In another embodiment, stiffeners added to the resilient ankle member increase the stiffness on the lateral side relative to the medial side. In certain other embodiments, the foot provides progressively increasing support from mid stance through toe off. For example, a gap between the resilient ankle member and the lower element closes during the later portion of the wearer's gait. The closing gap increases a contact area between the resilient ankle member and the lower element, providing progressively increasing support. In another embodiment, the foot includes a gap between a lower front edge of an attachment adapter and the upper element. The gap may be filled with a resilient material.

Controlling torque in a prosthesis or orthosis based on a deflection of series elastic element

In some embodiments of a prosthetic or orthotic ankle/foot, a prediction is made of what the walking speed will be during an upcoming step. When the predicted walking speed is slow, the characteristics of the apparatus are then modified so that less net-work that is performed during that step (as compared to when the predicted walking speed is fast). This may be implemented using one sensor from which the walking speed can be predicted, and a second sensor from which ankle torque can be determined. A controller receives inputs from those sensors, and controls a motor's torque so that the torque for slow walking speeds is lower than the torque for fast walking speeds. This reduces the work performed by the actuator over a gait cycle and the peak actuator power delivered during the gait cycle. In some embodiments, a series elastic element is connected in series with a motor that can drive the ankle, and at least one sensor is provided with an output from which a deflection of the series elastic element can be determined. A controller determines a desired torque based on the output, and controls the motor's torque based on the determined desired torque.

Method for producing an artificial foot

The invention relates to a method for producing an artificial foot, comprising a medial plane (M) in a longitudinal axis, in which a nominal foot length ( 1 ) is defined as a distance from a heel to a foot tip of a natural foot replaced by the artificial foot, and designed having a top side connecting piece ( 4 ) for torsionally rigidly connecting a foot insert ( 2 ) extending substantially over the length of the foot ( 1 ), and contacting two contact surfaces ( 6, 7 ) over the length ( 1 ), of which a first heel side contact surface ( 7 ) is located in the heel area and a second hall side contact surface ( 6 ) is located in the hall area, and designed so that the connecting part ( 4 ) is connected to the contact surfaces ( 6,7 ) of the foot part by means of spring connections.

CARBON FIBER PROSTHETIC FOOT

A hollow tubulous composite structure and method for prosthetic limbs is described. 1. (canceled)3. The prosthetic foot of wherein the fibers in the forward spring portion are arranged in at least two plies that have different angular orientations with respect to the path the forward coil spring portion.4. The prosthetic foot of wherein the angular orientation of fibers in any ply of the at least two plies is a nominal degree angle of +45 degrees claim 3 , −45 degrees claim 3 , 90 degrees or 0 degrees with respect to the path of the forward spring portion.5. The prosthetic foot of the hollow heel spring portion is configured as a tubulous hollow molded carbon fiber coil claim 2 , the path including a helical path around a heel spring axis with at least three complete 360 degree coil around the heel spring axis.6. The prosthetic foot of wherein the fibers in the heel spring portion are arranged in at least two plies that have different angular orientations with respect to the path of the heel coil spring portion.7. The prosthetic foot of wherein the angular orientation of fibers in any ply of the at least two plies is a nominal degree angle of +45 degrees claim 2 , −45 degrees claim 2 , 90 degrees or 0 degrees with respect to the path of the heel coil spring portion.8. The prosthetic foot of wherein the path of the forward spring portion includes a helical path portion with at least one complete 360 degree coil around a forward spring axis.9. The prosthetic foot of wherein the forward spring axis extends in a generally vertical direction.10. The prosthetic foot of wherein the forward spring axis extends in a generally lateral direction.11. The prosthetic foot of wherein the heel spring axis extends in a generally vertical direction. Minimizing the weight of the prosthetic limb is very important for the amputee. The comfort and functionality of the prosthetic limb are highly dependent on its weight. This includes reducing the weight of the socket which attaches to the ...

PROSTHETIC FOOT

A prosthetic foot may comprise a resilient lower member, a resilient upper member and an upper bracket. The resilient lower member may comprise a front end, a middle, and a rear end. The resilient upper member may comprise a front end and a rear end. The rear end of the upper member is coupled to the rear end of the resilient lower member and the resilient upper member is positioned over the resilient lower member. The mounting bracket may comprise a front end and a rear end. The front end is coupled to the front end of the resilient upper member and the rear end is configured to attach to the residual limb of the user. The resilient lower member and resilient upper member of the prosthetic foot fit completely within a foot shell. 1. A prosthetic foot for use within a foot shell , comprising:a resilient lower member comprising a front end, a middle, and a rear end;a resilient upper member comprising a front end and a rear end, wherein the rear end is coupled to the rear end of the resilient lower member, and wherein the resilient upper member is positioned over the resilient lower member; anda mounting bracket comprising a front end and rear end, wherein the front end is coupled to the front end of the resilient upper member,wherein the resilient lower member and resilient upper member fit completely within the foot shell.2. The prosthetic foot of claim 1 , wherein the radius of curvature from the front end to the rear end of the resilient lower member is above the lower member.3. The prosthetic foot of claim 1 , wherein the radius of curvature from the front end to the middle of the resilient lower member is above the lower member.4. The prosthetic foot of claim 3 , wherein the resilient lower member is substantially straight from the middle to the rear end in an unloaded state.5. The prosthetic foot of claim 1 , wherein the radius of curvature from the middle to the rear end of the resilient upper member is above the upper member.6. The prosthetic foot of claim 1 ...

CARBON FIBER PROSTHETIC FOOT WITH HOLLOW CROSS SECTIONS

A hollow tubulous composite structure and method for prosthetic limbs is described. 1the spring helical coil configured along a helical path with at least three complete 360 degree coils around the central spring axis,the tubulous hollow member comprising fibers arranged along the path of the coil to provide bending strength and stiffness and bias oriented fibers extending around the entire circumference of the tubulous member to provide torsional strength to store,release and carry torsional and transverse shear loads,and said hollow molded carbon fiber helical coil spring central spring axis being oriented in a generally vertical foot direction.. A prosthetic foot comprising a tubulous hollow molded carbon fiber helical coil spring having a helical path around a primary central spring axis, Minimizing the weight of the prosthetic limb is very important for the amputee. The comfort and functionality of the prosthetic limb are highly dependent on its weight. This includes reducing the weight of the socket which attaches to the residual limb, and to the various connectors and struts comprising the total prosthetic limb. The most important areas where weight should be reduced are those on the distal portion of the prosthetic limb, i.e. the foot itself.It is also very important that prosthetic feet do not fail in service to prevent injury and inconvenience to the amputee. Also, the prosthetist, who has a strong influence on a patient's foot choice, incurs cost to replace the failed foot. Prosthetic feet utilizing mechanical elements, i.e. pivot joints etc., have a markedly higher rate of in service failure than feet without such complicating design features. This has been an additional advantage of the carbon fiber prosthetic feet currently available.Composite materials, such as carbon-fiber/epoxy, provide a higher material stiffness and strength for a given weight than traditional materials. Consequently, these materials have found wide use in prosthetic feet.High ...

PROSTHETIC FOOT, AND PROSTHESIS FOR A LOWER EXTREMITY

A prosthesis foot is provided with a structural component with proximal connecting device for fixing the prosthesis foot to a lower leg tube, lower leg shaft or a prosthesis knee joint, wherein the proximal connecting device is designed as a joint or comprises as at least one joint. 1. A prosthetic foot with a structural component having proximal connecting devices for fastening the prosthetic foot to a lower leg tube , lower leg shaft or prosthetic knee joint , wherein the proximal connecting device is designed as joint or comprises at least one joint , wherein the prosthetic foot comprises at least one elastic element or is connected thereto , wherein the elastic element is , in a first area thereof , connected to the structural component , in particular releasably , and wherein the elastic element comprises a second area for contacting the lower leg tube , lower leg shaft or prosthetic knee joint , in particular at a side , front side or rear side of the lower leg tube , lower leg shaft or prosthetic knee joint.2. The prosthetic foot according to claim 1 , wherein the structural component is claim 1 , comprises or is connected to a foot sole.3. The prosthetic foot according to claim 1 , wherein the elastic element is claim 1 , comprises or is connected to a leaf spring or bending spring.4. The prosthetic foot according to claim 1 , wherein the elastic element dorsally or ventrally rests on or abuts the lower leg tube claim 1 , lower leg shaft or prosthetic knee joint.5. The prosthetic foot according to claim 1 , wherein an adjustable element is provided for releasably fastening a section of the elastic element to the lower leg tube claim 1 , lower leg shaft or prosthetic knee joint.6. The prosthetic foot according to claim 1 , wherein the elastic element does not contact or touch the lower leg tube claim 1 , lower leg shaft or prosthetic knee joint between the first area and the second area.7. The prosthetic foot according to claim 1 , with an adjusting device ...

Electronically controlled prosthetic system

A prosthetic joint system for users comprising a housing having an interior cavity, a center axis in said interior cavity, and an attachment means for fixedly connecting said housing to said user; an inner cylinder disposed in said housing interior cavity wherein said inner cylinder rotates around said center axis of said housing; an appendage attached to said inner cylinder; a sensor system attached to said appendage; and a dampening system, having a power source, in communication with said sensor system, said inner cylinder, and said housing for controlling dampening of the rotation of said inner cylinder around said center axis of said housing.

PROSTHETIC FOOT

A prosthetic foot may comprise a resilient lower member, a resilient upper member and an upper bracket. The resilient lower member may comprise a front end, a middle, and a rear end. The resilient upper member may comprise a front end and a rear end. The rear end of the upper member is coupled to the rear end of the resilient lower member and the resilient upper member is positioned over the resilient lower member. The mounting bracket may comprise a front end and a rear end. The front end is coupled to the front end of the resilient upper member and the rear end is configured to attach to the residual limb of the user. The resilient lower member and resilient upper member of the prosthetic foot fit completely within a foot shell. 1. A prosthetic foot for use within a foot shell , comprising:a resilient lower member comprising a curved front end, a substantially straight rear end, and no inflection point in an unloaded state;a resilient upper member comprising a front end and a rear end, wherein the rear end is coupled to the rear end of the resilient lower member, and wherein the resilient upper member is positioned over the resilient lower member, and wherein a lower surface of the curved front end of the resilient upper member is spaced apart from an upper surface of a middle portion of the resilient lower member; andwherein the resilient lower member and the resilient upper member are capable of fitting completely within the foot shell.2. The prosthetic foot of claim 1 , further comprising a mounting bracket comprising a front end and rear end claim 1 , wherein the front end is coupled to the front end of the resilient upper member.3. The prosthetic foot of claim 2 , wherein the resilient upper member is coupled to the mounting bracket by a bolted connection.4. The prosthetic foot of claim 2 , wherein the rear end of the mounting bracket comprises a receiving portion configured to receive a prosthetic limb connector.5. The prosthetic foot of claim 2 , wherein ...

ELECTRONICALLY CONTROLLED PROSTHETIC SYSTEM

A prosthetic joint system for users comprising a housing having an interior cavity, a center axis in said interior cavity, and an attachment means for fixedly connecting said housing to said user; an inner cylinder disposed in said housing interior cavity wherein said inner cylinder rotates around said center axis of said housing; an appendage attached to said inner cylinder; a sensor system attached to said appendage; and a dampening system, having a power source, in communication with said sensor system, said inner cylinder, and said housing for controlling dampening of the rotation of said inner cylinder around said center axis of said housing. 1a frame;a computer in communication with said frame;a damping device in communication with said computer and said frame;a joint connected to said frame;a sensor for sensing plantarflexion moment information and dorsiflexion moment information in communication with said computer;wherein said joint provides at least one axis of rotation about said prosthetic ankle and wherein said damping device facilitates resistance to said at least one axis of rotation; andwherein said computer determines said resistance to said at least one axis of rotation with said plantarflexion moment information and said dorsiflexion moment information.. A prosthetic ankle comprising: This application is a continuation of U.S. patent application Ser. No. 15/092,231, filed Apr. 6, 2016, which is a continuation-in-part of U.S. patent application Ser. No. 14/221,457, filed Mar. 21, 2014, now abandoned, which is a continuation-in-part of U.S. patent application Ser. No. 13/351,291, filed Jan. 17, 2012, now abandoned, which is a continuation of U.S. patent application Ser. No. 12/979,434, filed Dec. 28, 2010, now abandoned, which is a continuation of U.S. patent application Ser. No. 12/185,907, filed Aug. 5, 2008, now abandoned, which is a continuation-in-part of U.S. patent application Ser. No. 11/953,390, filed Dec. 10, 2007, now abandoned, which is a ...

Load bearing assistance apparatus for lower extremity orthotic or prosthetic devices

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.

Systems and methods for actuating a prosthetic ankle based on a relaxed position

Systems and methods for sensing actuating a prosthetic ankle are disclosed. In one example, the system, such as an actuated prosthetic ankle joint, detects that the user has moved to a relaxed position, such as sitting, reclining, crawling, or leaning. In response, the actuated prosthetic ankle joint actively adjusts the angle between the members of the ankle to a relaxed state. The system may further detect when the user has moved to exit the relaxed position, and may actively adjust the angle between the members of the ankle to an exit state.

Method of construction of moulded products

본 발명은 몰드 제품 제조방법으로서, 에폭시 수지로 비금속 섬유를 침투시키고, 이 수지 침투된 섬유를 배열하여 상기 섬유의 시트를 형성하는 단계와; 형성된 상기 시트로부터 다수의 수지침투 가공재를 절단하는 단계와; 상기 수지침투 가공재를 연속층으로 형성하고, 이 형성된 연속층을 압축몰드의 몰드 공동부에 적층형태로(바람직하게는 교차방향 섬유를 갖는 수지침투 가공재와 종방향 및/또는 위상방향 배향 섬유를 갖는 수지침투 가공재가 교번으로 배열된 수지침투 가공재로 형성됨) 배열하는 단계와; 상승 온도로 압축 몰딩을 행하는 단계와; 상기 압축 몰드로부터 몰딩된 몰드 제품을 제거하는 단계를; 포함한다. 몰드 제품으로는 J형상 파일론(11) 및 소울 플레이트(23)를 포함하는 보철장치가 바람직하다. The present invention provides a method for producing a molded article, comprising: infiltrating a non-metallic fiber with an epoxy resin and arranging the resin-infiltrated fiber to form a sheet of the fiber; Cutting a plurality of prepreg materials from the formed sheet; The resin permeation processing material is formed as a continuous layer, and the formed continuous layer is laminated in the mold cavity of the compression mold (preferably having a resin impregnation processing material having cross-direction fibers and longitudinal and / or phase direction-oriented fibers). Arranging resin impregnated workpieces formed of alternating resin impregnated workpieces; Performing compression molding at an elevated temperature; Removing a molded mold product from the compression mold; Include. As the mold product, a prosthetic device including a J-shaped pylon 11 and a soul plate 23 is preferable. 레이-업, 소울 플레이트,수지침투 가공재, 파일론, 토우 오프(toe-off) Lay-up, Soul Plate, Resin Impregnation, Pylon, Toe-off

Load-bearing aid for a lower limb orthotic or prosthetic device

一种用于将负载从下肢矫正或假肢设备传递到地面的负载承载辅助装置。该负载承载辅助装置包括外侧和内侧弹性加载构件以及用于将负载承载辅助装置连接到下肢矫正或假肢设备的连结机构。该连结机构还将外侧和内侧弹性加载构件以间隔开的构造连接，以便将它们分别安置在下肢矫正或假肢设备的使用者的足部的外侧和内侧部分附近，并且使得外侧和内侧弹性加载构件的一部分在运动期间与地面进行接触。

Actuated Prosthesis for amputees

본 발명은 무릎부재, 무릎부재 상에 구비되는 소켓 커넥터, 그 아래에 인공 발이 연결되는 저단부가 구비된 연장된 하퇴부재, 및 직선 작동체를 포함하여 구성되는 작동 의족에 관한 것이다. 하퇴부재를 무릎부재에 구동적으로 연결하는 것은 제1피봇부에 의해 구현된다. 작동체의 상단부를 무릎부재에 구동적으로 연결하는 것은 제2피봇부에 의해 구현된다. 작동체의 저단부를 하퇴부재의 저단부에 구동적으로 연결하는 것은 제3피봇부에 의해 구현된다. 의족은 전면 작동체식 구성 또는 후면 작동체식 구성중 어느 것으로도 제공될 수 있다. The present invention relates to a working leg which comprises a knee member, a socket connector provided on the knee member, an extended lowering member having a lower end to which an artificial foot is connected, and a linear actuator. Drivenly connecting the lower member to the knee member is implemented by the first pivot portion. Drivenly connecting the upper end of the actuator to the knee member is implemented by a second pivot. Drivenly connecting the lower end of the actuator to the lower end of the lowering member is realized by a third pivot part. The prosthesis may be provided in either a front or back effect configuration.

Foot prosthesis with controlled function

FIELD: medical engineering. SUBSTANCE: device has longitudinal foot keel having anterior part, middle part and posterior part of the foot, elastic vertical shin rod having lower end connected to the foot keel and continued from the foot keel upward forming talocrural articulation part of the foot prosthesis, and lower prosthesis part of the lower extremity to make connection in its upper part to bearing structure on human lower extremity stump and device for restricting upper shin rod end movement. The upper end is movement in longitudinal direction of foot keel in response to force action loading and reloading shin rod when using the foot prosthesis. Foot prosthesis shin rod has longitudinal compensation slit between the shin rod ends in the second version. The third foot prosthesis version has combining connection means connected to the upper shin rod end. The device has coupler member for making connection to bearing structure on human lower extremity stump and controllable sliding mechanisms for regulating medial/lateral and anterior/posterior foot position relative to the coupler and bearing structure to which it is connected. The fourth version has downward curved convex lower shin rod end shaped as parabola with its min curvature radius position placed on lower end and going from it. The fifth version has posterior foot keel part has dorsal concave part having longitudinal axis beveled relative to frontal plane so that lateral concave part portion is placed forward with respect to the medial part. EFFECT: improved mechanical properties; controllable coupling means having fine horizontal and vertical adjustment features. 51 cl, 40 dwg ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß RU (19) (11) 2 291 676 (13) C2 (51) ÌÏÊ A61F 2/66 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2003131887/14, 29.03.2002 (72) Àâòîð(û): ÒÀÓÍÑÅÍÄ Áàððè Â. (US), ÊËÀÓÄÈÍÎ Áàéðîí Ê. (US) (24) Äàòà íà÷àëà îòñ÷åòà ...

Frame of artificial foot

FIELD: medical facilities. SUBSTANCE: frame of artificial foot has ankle 1, wavy spring 4 with two troughs of wave in calcanel and metatarsophalangeal regions and wave tops in talocrural region, damper 3 located between ankle and spring. EFFECT: provision of artificial foot whose operation precisely conform to operation of normal foot. 6 cl, 2 dwg, 1 tbl 6у99$50с ПЧ Го РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) (51) МПК ВИ” 2 055 549 ' 13) Сл А 61 Е 2/66 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 5054500/14, 07.07.1992 (46) Дата публикации: 10.03.1996 (56) Ссылки: Авторское свидетельство СССР М 848023, кл. А 6ЛЕ 2/66, 1981. Авторское (71) свидетельство СССР М 507319, кл. А 61Е 2/66, (72) 1974. Авторское свидетельство СССР М 778732, кл. А 6б1Р 2/66, 1980. (73) Заявитель: Гайдачук Виталий Евгеньевич[ЦА], Литвин Николай Владимирович[ЦА], Лукьянченко Владимир Викторович[ЦА], Синюков Владимир Петрович[ЦА] Изобретатель: Гайдачук Виталий Евгеньевич[0 А], Литвин Николай Владимирович[ЦА] ‚ Лукьянченко Владимир Викторович[ЦА], Синюков Владимир Петрович[ЦА] Патентообладатель: Литвин Николай Владимирович (ЦА) (54) КАРКАС ИСКУССТВЕННОЙ СТОПЫ (57) Реферат: Изобретение относится к медицинской технике, а именно к протезам нижних конечностей. Решаемой задачей является создание искусственной стопы человека, функциональность которой максимально точно отвечала бы функциональности стопы в норме. Каркас искусственной стопы содержит щиколотку 1, волнообразную рессору 4 с двумя впадинами волны в пяточной и плюсне-фаланговой области и вершинами волны в геленочной части стопы, демпфер 3, расположенный между ЩИКОЛОТКОЙ и рессорой. 5 з. п. ф - лы, 2 ил., 1 табл. 0, ! 13 „7 2 2 - 8 5 2 4 ий = и ь ыы —— 0: ЩИ. ^ Ирих 8; | 21 р Фиг} 2055549 С1 КО 6у99$50с ПЧ Го КУЗЗАМ АСЕМСУ ГОК РАТЕМТ$ АМО ТКАОЕМАКК$ (19) ВИ” 2 055 549 ' 13) СЛ 12) АВЗТКАСТ ОЕ 1МУЕМТОМ (21), (22) АррИсаНоп: 5054500/14, 07.07.1992 (46) Бае ог рчбИсаНоп: 10.03.1996 (71) АррИсапе: Са] ...

Actuated prosthesis for amputees

The actuated leg prosthesis comprises a knee member, a socket connector provided over the knee member, an elongated trans-tibial member having a bottom end under which is connected an artificial foot, and a linear actuator. A first pivot assembly allows to operatively connect the trans-tibial member to the knee member. A second pivot assembly allows to operatively connect an upper end of the actuator to the knee member. A third pivot assembly allows to operatively connect a bottom end of the actuator to the bottom end of the trans-tibial member. The prosthesis can be provided as either a front actuator configuration or a rear actuator configuration.

Instrumented prosthetic foot

The present invention discloses an instrumented prosthetic foot for use with an actuated leg prosthesis controlled by a controller, the instrumented prosthetic foot comprising a connector to connect the instrumented prosthetic foot to the leg prosthesis, an ankle structure connected to the connector, a ground engaging member connected to the ankle, at least one sensor for detecting changes in weight distribution along the foot, and an interface for transmitting signals from the sensor to the controller.

Instrumented prosthetic foot

The present invention discloses an instrumented prosthetic foot for use with an actuated leg prosthesis controlled by a controller, the instrumented prosthetic foot comprising a connector to connect the instrumented prosthetic foot to the leg prosthesis, an ankle structure connected to the connector, a ground engaging member connected to the ankle, at least one sensor for detecting changes in weight distribution along the foot, and an interface for transmitting signals from the sensor to the controller.

Systems and methods for actuating a prosthetic ankle based on a relaxed position

Systems and methods for sensing actuating a prosthetic ankle are disclosed. In one example, the system, such as an actuated prosthetic ankle joint, detects that the user has moved to a relaxed position, such as sitting, reclining, crawling, or leaning. In response, the actuated prosthetic ankle joint actively adjusts the angle between the members of the ankle to a relaxed state. The system may further detect when the user has moved to exit the relaxed position, and may actively adjust the angle between the members of the ankle to an exit state.

System and method for motion-controlled foot unit

A system and method associated with the movement of a limb. In one example, the system, such as a prosthetic or orthotic system, includes an actuator (116) that actively controls, or adjusts, the angle between a foot unit (104) and a lower limb member (102). A processing module may control movement of the actuator (116) based on data obtained from a sensor module. For instance, sensing module data may include information relating to the gait of a user and may be used to adjust the foot unit to substantially mimic the movement of a natural, healthy ankle. The system may further accommodate, for example, level ground walking, traveling up/down stairs, traveling up/down sloped surfaces, and various other user movements. In addition, the processing module may receive user input or display output signals through an external interface. For example, the processing module may receive a heel height input from the user.

Sensing system and method for motion-controlled foot unit

A system and method for sensing movement of a device associated with a limb. In one example, a prosthetic or orthotic system includes a sensor assembly configured to measure movement of a component of the system in a single direction while substantially isolating negative effects of forces and/or loads in other directions. For instance, the sensor assembly may be advantageously coupled to a pivot assembly configured to substantially mimic a natural ankle joint. The sensor assembly may monitor rotation of a foot unit about an axis of a pivot pin of the pivot assembly and disregard other movements and/or forces. For example, the sensor assembly may include a potentiometer that detects rotation of an associated elongated bellow portion about the axis, wherein the bellow portion includes a plurality of ridges configured to substantially eliminate effects of radial and/or axial forces.

Foot prosthesis with adjustable characteristics

FIELD: medicine. SUBSTANCE: prosthetic foot has longitudinally going foot keel and elastic monolithically made calf shank, which goes upward from foot keel to form ankle joint area of prosthetic foot, and lower, prosthetic part of leg above ankle joint area for connection with lower end of prosthetic sleeve of human leg stump. Lower section of calf shank, going upward from foot keel has frontward convexly curved form. Calf and foot keel portion are made monolithic. EFFECT: foot prosthesis ensures symmetry of gait due to imitation of processes, which take place when man walks. 16 cl, 54 dwg ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (11) 2 345 737 (13) C2 (51) ÌÏÊ A61F 2/66 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2006138496/14, 30.03.2005 (72) Àâòîð(û): ÒÀÓÍÑÅÍÄ Áàððè Â. (US), ÊËÀÓÄÈÍÎ Áàéðîí Ê. (US) (24) Äàòà íà÷àëà îòñ÷åòà ñðîêà äåéñòâè ïàòåíòà: 30.03.2005 (43) Äàòà ïóáëèêàöèè çà âêè: 10.05.2008 R U (73) Ïàòåíòîîáëàäàòåëü(è): ÒÀÓÍÑÅÍÄ Áàððè Â. (US), ÊËÀÓÄÈÍÎ Áàéðîí Ê. (US) (30) Êîíâåíöèîííûé ïðèîðèòåò: 01.04.2004 US 10/814,155 (45) Îïóáëèêîâàíî: 10.02.2009 Áþë. ¹ 4 2 3 4 5 7 3 7 (56) Ñïèñîê äîêóìåíòîâ, öèòèðîâàííûõ â îò÷åòå î ïîèñêå: US 2002/0087216 A1, 04.07.2002. US 6071313 A, 06.06.2000. US 5993488 A, 30.11.1999. US 5899944 A, 04.05.1999. RU 2102942 C1, 27.01.1998. (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 01.11.2006 2 3 4 5 7 3 7 R U (87) Ïóáëèêàöè PCT: WO 2005/097007 (20.10.2005) C 2 C 2 (86) Çà âêà PCT: US 2005/010583 (30.03.2005) Àäðåñ äë ïåðåïèñêè: 129090, Ìîñêâà, óë. Á.Ñïàññêà , 25, ñòð.3, ÎÎÎ "Þðèäè÷åñêà ôèðìà Ãîðîäèññêèé è Ïàðòíåðû", ïàò.ïîâ. Þ.Ä.Êóçíåöîâó, ðåã.¹ 595 (54) ÏÐÎÒÅÇ ÑÒÎÏÛ Ñ ÍÀÑÒÐÀÈÂÀÅÌÛÌÈ ÕÀÐÀÊÒÅÐÈÑÒÈÊÀÌÈ (57) Ðåôåðàò: Ãðóïïà èçîáðåòåíèé ïðåäíàçíà÷åíà äë èñïîëüçîâàíè â ïðîòåçàõ íèæíèõ êîíå÷íîñòåé è ìîæåò áûòü èñïîëüçîâàíà â ïðîòåçèðîâàíèè è ïðîòåçîñòðîåíèè. Ïðîòåç ñòîïû èìååò ïðîäîëüíî ïðîõîä ùèé êèëü ñòîïû è óïðóãóþ, ìîíîëèòíî âûïîëíåííóþ ...

Function-regulated foot prosthetic device

FIELD: medical equipment. SUBSTANCE: foot prosthetic device has carina of foot and rod of ankle attached to carina of foot to form area of talocrural articulation of foot prosthetic appliance. Carina of foot has front department and back department of foot as well as relatively long central department of foot, passing between front department and back department of foot. Rod of ankle has convex-curved lower end directed down; part of end is attached to central art of foot of carina by means of regulated fixing device. Foot is capable of moving at two planes and, preferably, it also has high and low dynamic characteristic. Regulated fixing aid provides ability of regulating of putting rod of ankle and carina of foot into coincidence at longitudinal direction of foot's carina to adjust function of foot prosthetic appliance. EFFECT: improved functional characteristics of foot prosthetic appliance. 78 cl, 27 dwg ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß RU (19) (11) 2 305 516 (13) C2 (51) ÌÏÊ A61F 2/66 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2003131884/14, 08.03.2002 (72) Àâòîð(û): ÒÀÓÍÑÅÍÄ Áàððè Â. (US), ÊËÀÓÄÈÍÎ Áàéðîí Ê. (US) (24) Äàòà íà÷àëà îòñ÷åòà ñðîêà äåéñòâè ïàòåíòà: 08.03.2002 (73) Ïàòåíòîîáëàäàòåëü(è): ÒÀÓÍÑÅÍÄ Áàððè Â. (US) R U (30) Êîíâåíöèîííûé ïðèîðèòåò: 30.03.2001 US 09/820,895 (43) Äàòà ïóáëèêàöèè çà âêè: 10.12.2004 (45) Îïóáëèêîâàíî: 10.09.2007 Áþë. ¹ 25 2 3 0 5 5 1 6 (56) Ñïèñîê äîêóìåíòîâ, öèòèðîâàííûõ â îò÷åòå î ïîèñêå: US 5897594 À, 27.04.1999. US 6206934 À, 27.03.2001. RU 2102942 C1, 27.01.1998. RU 2085155 C1, 27.07.1997. SU 1623644 A1, 30.01.1991. (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 30.10.2003 2 3 0 5 5 1 6 R U (87) Ïóáëèêàöè PCT: WO 02/078577 (10.10.2002) C 2 C 2 (86) Çà âêà PCT: US 02/06901 (08.03.2002) Àäðåñ äë ïåðåïèñêè: 129010, Ìîñêâà, óë. Á.Ñïàññêà , 25, ñòð.3, ÎÎÎ "Þðèäè÷åñêà ôèðìà Ãîðîäèññêèé è Ïàðòíåðû", ïàò.ïîâ. Ã.Á. Åãîðîâîé, ðåã.¹ ...

Foot prosthesis with controllable function

FIELD: medical engineering. SUBSTANCE: device has longitudinally passing foot keel, connection member attached to the foot keel and vertical elastic crus rod. The crus rod has convex curved forward lower end directed downward. The lower end is attached to the foot keel by means of connection member for creating talocrural foot articulation zone. The upper end is used for making connection to bearing structure on the lower extremity of a person subjected to extremity amputation. The connection member has elastic material forming articulation providing foot prosthesis movement in walking along closed kinetic chain. The articulation has axis oriented in a way that the foot is movable around articulation axis primarily belonging to frontal and transverse planes. EFFECT: improved applied mechanics properties. 29 cl, 35 dwg ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (11) 2 289 362 (13) C2 (51) ÌÏÊ A61F 2/66 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2003131885/14, 29.03.2002 (72) Àâòîð(û): ÒÀÓÍÑÅÍÄ Áàððè Â. (US), ÊËÀÓÄÈÍÎ Áàéðîí Ê. (US) (24) Äàòà íà÷àëà îòñ÷åòà ñðîêà äåéñòâè ïàòåíòà: 29.03.2002 (43) Äàòà ïóáëèêàöèè çà âêè: 10.03.2005 R U (73) Ïàòåíòîîáëàäàòåëü(è): ÒÀÓÍÑÅÍÄ Áàððè Â. (US), ÊËÀÓÄÈÍÎ Áàéðîí Ê. (US) (30) Êîíâåíöèîííûé ïðèîðèòåò: 30.03.2001 US 09/820,895 (45) Îïóáëèêîâàíî: 20.12.2006 Áþë. ¹ 35 2 2 8 9 3 6 2 (56) Ñïèñîê äîêóìåíòîâ, öèòèðîâàííûõ â îò÷åòå î ïîèñêå: US 6206934 B1, 27.03.2001. US 5897594 A, 27.04.1999. RU 2132665 C1, 10.07.1999. FR 2734151 A1, 22.11.1996. DE 19918308 A1, 26.10.2000. (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 30.10.2003 2 2 8 9 3 6 2 R U (87) Ïóáëèêàöè PCT: WO 02/078567 (10.10.2002) C 2 C 2 (86) Çà âêà PCT: US 02/09573 (29.03.2002) Àäðåñ äë ïåðåïèñêè: 129010, Ìîñêâà, óë. Á.Ñïàññêà , 25, ñòð.3, ÎÎÎ "Þðèäè÷åñêà ôèðìà Ãîðîäèññêèé è Ïàðòíåðû", ïàò.ïîâ. Þ.Ä.Êóçíåöîâó, ðåã.¹ 595 (54) ÏÐÎÒÅÇ ÑÒÎÏÛ Ñ ÐÅÃÓËÈÐÓÅÌÎÉ ÔÓÍÊÖÈÅÉ (57) Ðåôåðàò: ...

FOOT PROSTHESIS INCLUDING A CUSHIONING ELEMENT

La présente invention concerne une prothèse de pied (1,61) comprenant un talon (6, 71) et une pointe de pied (7, 62) aptes à être en appui sur le sol et un support de cheville (2, 67) caractérisée en ce qu'elle comprend en outre au moins un élément d'amortissement (10, 76) configuré pour être distant dudit sol. The present invention relates to a foot prosthesis (1,61) comprising a heel (6, 71) and a toe (7, 62) able to be supported on the ground and an ankle support (2, 67) characterized in that it further comprises at least one damping element (10, 76) configured to be distant from said ground.

FOOT PROSTHESIS WITH BLADE

La présente invention concerne une prothèse de pied 1 comprenant un talon 6, une pointe de pied 7 et un support de cheville 2 caractérisée en ce qu'elle comprend en outre un coup de pied 4 lié au talon 6 par une biellette 5, lié également au support de cheville 2 par un mécanisme 3 et lié également à la pointe de pied 7 par un cardan 8, la pointe de pied 7 étant liée au support de cheville 2 par une lame 10. The present invention relates to a prosthetic foot 1 comprising a heel 6, a toe 7 and an ankle support 2 characterized in that it further comprises a foot 4 linked to the heel 6 by a link 5, also linked at the ankle support 2 by a mechanism 3 and also connected to the toe 7 by a universal joint 8, the toe 7 being connected to the ankle support 2 by a blade 10.

Prosthetic foot with tunable performance

A prosthetic foot (124) incorporates a foot keel (165) and a calf shank (126) connected to the foot keel to form an ankle joint area of the prosthetic foot. A device (125) connected between the upper end of the calf shank and the lower portion of the prosthesis can be used to assist posterior movement of the upper end of a calf shank and control anterior movement of the upper end of the calf shank during use of the prosthesis. The device (125) has springs which store energy during force loading with anterior motion of the upper end of the calf shank in gait and which, during force unloading, return the stored energy as kinetic power for adding to the propulsive force on the user's body generated by the prosthesis in gait.

Low profile active shock module prosthesis

In one embodiment, an impact and torque-absorbing module for a low profile lower limb prosthesis comprises two support members telescopingly engaged to permit axial and rotational motion therebetween. A resilient element resists axial displacement of the two support members, and a torque resisting cuff resists rotational displacement of the two support members. Precompression of the resilient element can reduce the size of the shock module making it more compact. The resilient element can also be replaced allowing adjustment of the shock absorption.

FOOT PROSTHESIS COMPRISING A DAMPING MEMBER

La présente invention concerne une prothèse de pied (1,61) comprenant un talon (6, 71) et une pointe de pied (7, 62) aptes à être en appui sur le sol et un support de cheville (2, 67) caractérisée en ce qu'elle comprend en outre au moins un élément d'amortissement (10, 76) configuré pour être distant dudit sol.

System and method for motion controlled foot unit

Foot prosthesis with resilient multi-axial ankle

The present foot prosthesis includes various structural features that provide the foot with advantageous rollover properties. In certain embodiments, the foot guides rollover toward the medial side. For example, an asymmetrical upper element and a correspondingly shaped resilient ankle member support more of the wearer's weight on the lateral side as the foot rolls over. In another embodiment, stiffeners added to the resilient ankle member increase the stiffness on the lateral side relative to the medial side. In certain other embodiments, the foot provides progressively increasing support from mid stance through toe off. For example, a gap between the resilient ankle member and the lower element closes during the later portion of the wearer's gait. The closing gap increases a contact area between the resilient ankle member and the lower element, providing progressively increasing support. In another embodiment, the foot includes a gap between a lower front edge of an attachment adapter and the upper element. The gap may be filled with a resilient material.

Artificial foot and method of controlling its movement

FIELD: medicine. SUBSTANCE: invention relates to medical equipment, namely, to prostheses, in particular to artificial foot. Artificial foot with going from heel region to foot toe region longitudinal axis, length, width and height, with connection with shin element, upper in direction in height support structure, going from heel region to foot toe region elastic sole structure and located between upper support structure and sole structure elastic connecting element. Upper support structure in the middle of foot with respect to its length in several axes is movably connected with sole structure by means of connecting layout, permitting relative swinging motion between support structure and sole structure. Connecting layout supports constant distance between support structure and sole structure in the middle of connecting layout, at least, under weight load of standing patient. AS a result of this transfer of efforts of shin element onto sole structure takes place in definite, unchangeable place of force application in the middle of the foot. EFFECT: invention ensures movement of artificial foot, in which, on one hand, realised is uniform roll, and on the other hand, feeling of confidence is ensured in standing position as well. 24 cl, 12 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 419 398 (13) C2 (51) МПК A61F A61F 2/66 2/68 (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ Приоритет(ы): (30) Конвенционный приоритет: 27.01.2006 DE 102006004132.1 (73) Патентообладатель(и): ОТТО БОК ХЕЛТКЭР ИП ГМБХ УНД КО. КГ (DE) R U (24) Дата начала отсчета срока действия патента: 16.01.2007 (72) Автор(ы): МОСЛЕР Людер (DE), ПУШ Мартин (DE), ЦАРЛИНГ Свен (DE) (21)(22) Заявка: 2008134907/14, 16.01.2007 (43) Дата публикации заявки: 10.03.2010 Бюл. № 7 2 4 1 9 3 9 8 (45) Опубликовано: 27.05.2011 Бюл. № 15 (56) Список документов, цитированных в отчете о поиске: WO 2005/117749 А2, 15.12.2005. SU 67903 A, ...

For the steady upset inner sole of prosthetic foot

假肢脚(100b，100c)包括脚构件(10，10′)，所述脚构件被构造成模仿健全肢体的自然活动。脚构件可以限定面对支撑表面的脚弓部分，假肢脚(100b，100c)在使用期间接触所述支撑表面。鞋内底构件(200，200′)接触所述脚弓部分，鞋内底构件被构造成在走动期间有助于使所述假肢脚沿外侧-内侧方向和内侧-外侧方向中的至少一个方向翻转。

PROSTHESIS OF SUBDIVISED FOOT.

La présente invention concerne une prothèse de pied. Cette prothèse est caractérisée en ce qu'elle comprend, en combinaison, des moyens de fixation (12) pour faciliter le contact opérationnel entre la prothèse de pied et un moignon d'un porteur, et une pluralité de portions de pied courbes (24) attachées opérationnellement aux moyens de fixation (12) et s'étendant vers le bas à partir de ceux-ci, afin de venir en contact avec une surface formant support, les portions de pied (24) pouvant interagir, avec la surface formant support, indépendamment les unes des autres. The present invention relates to a foot prosthesis. This prosthesis is characterized in that it comprises, in combination, fixing means (12) to facilitate operational contact between the foot prosthesis and a stump of a wearer, and a plurality of curved foot portions (24) operatively attached to and extending downwardly from the attachment means (12) to contact a support surface, the leg portions (24) interacting with the support surface, independently of each other.

Artificial foot

FIELD: medicine. ^ SUBSTANCE: invention relates to medical equipment, namely to foot prostheses. Artificial foot with connecting element of part of ankle, part of metatarsus, hingedly connected by means of upper element and lower element of bond with connecting element in such a way that angular position of connecting element controls angular position of part of metatarsus. Upper element of bond by means of rotary hinge is connected with connecting element. Lower element of bond enters heel area. ^ EFFECT: invention eliminates foot migration. ^ 11 cl, 4 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 434 606 (13) C2 (51) МПК A61F 2/66 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2008130131/14, 14.12.2006 (24) Дата начала отсчета срока действия патента: 14.12.2006 (73) Патентообладатель(и): ОТТО БОК ХЕЛТКЭР ИП ГМБХ УНД КО. КГ (DE) R U Приоритет(ы): (30) Конвенционный приоритет: 22.12.2005 DE 102005062231.3 (72) Автор(ы): МОСЛЕР Людер (DE) (43) Дата публикации заявки: 27.01.2010 Бюл. № 3 2 4 3 4 6 0 6 (45) Опубликовано: 27.11.2011 Бюл. № 33 (56) Список документов, цитированных в отчете о поиске: DE 10010302 А1, 20.09.2001. RU 2217106 С2, 27.11.2003. FR 486030 А, 05.03.1918. US 2002/0013628 А1, 31.01.2002. SU 311635 A1, 08.10.1971. US 2529968 А, 14.11.1950. 2 4 3 4 6 0 6 R U (86) Заявка PCT: DE 2006/002241 (14.12.2006) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 22.07.2008 (87) Публикация заявки РСТ: WO 2007/076807 (12.07.2007) Адрес для переписки: 129090, Москва, ул. Б.Спасская, 25, стр.3, ООО "Юридическая фирма Городисский и Партнеры", пат.пов. Ю.Д.Кузнецову (54) ИСКУССТВЕННАЯ СТОПА (57) Реферат: Изобретение относится к медицинской технике, а именно к протезам стопы. Искусственная стопа с соединительным элементом части голени, частью плюсны, шарнирно соединенной посредством верхнего элемента и нижнего элемента связи с соединительным элементом таким ...

Prosthetic foot

A stable shock absorbing prosthetic foot that transfers energy between heel strike and toe-off. A toe plate is separated from one or more other plates by a bumper assembly located at each of the toe end and heel end of the foot. Certain embodiments of the shock absorbing foot of the present invention are designed for use with a prosthetic ankle. A torsion adapter may also be used to attach a prosthetic foot of the present invention to the remainder of a prosthesis.

Prosthetic foot with an adjustable ankle and method

A prosthetic foot with an adjustable ankle includes an upper portion coupled to a socket of an amputee. A lower portion is adjustably coupled to the upper portion, and is attached to a foot member with heel and toe sections. A movable coupling is disposed between the upper and lower portions, and includes a displacement member slidably coupled to a displacement track. The movable coupling allows the toe section to pivot downward and the heel section to simultaneously displace forward. The adjustable ankle can be adjusted with an actuator coupled to a tractor bolt coupled between the upper and lower portions. A sensor is associated with the upper portion or the lower portion to sense frequency of contact, force of contact, or orientation of the upper portion or the lower portion, and to output a corresponding output signal.

Actuated prosthesis for amputees

The actuated leg prosthesis comprises a knee member, a socket connector provided over the knee member, an elongated trans-tibial member having a bottom end under which is connected an artificial foot, and a linear actuator. A first pivot assembly allows to operatively connect the trans-tibial member to the knee member. A second pivot assembly allows to operatively connect an upper end of the actuator to the knee member. A third pivot assembly allows to operatively connect a bottom end of the actuator to the bottom end of the trans-tibial member. The prosthesis can be provided as either a front actuator configuration or a rear actuator configuration.

Instrumented prosthetic foot

The present application discloses an instrument prosthetic foot (20) for use with an actuated leg prothesis (14) controlled by a controller, the instrumented prosthetic foot (20) comprising a connector to connect the instrumented prosthetic foot (20) to the leg prothesis (14), an ankle structure connected to the connector, a ground engaging member connected to the ankle, at least one sensor (22a, 22b, 24a, 24b, 26) for detecting changes in weight distribution along the foot, and an interface for transmitting signals from the sensor to the controller.

Foot prosthesis with resilient multi-axial ankle

The present foot prosthesis includes various structural features that provide the foot with advantageous rollover properties. In certain embodiments, the foot guides rollover toward the medial side. For example, an asymmetrical upper element and a correspondingly shaped resilient ankle member support more of the wearer's weight on the lateral side as the foot rolls over. In another embodiment, stiffeners added to the resilient ankle member increase the stiffness on the lateral side relative to the medial side. In certain other embodiments, the foot provides progressively increasing support from mid stance through toe off. For example, a gap between the resilient ankle member and the lower element closes during the later portion of the wearer's gait. The closing gap increases a contact area between the resilient ankle member and the lower element, providing progressively increasing support.

Instrumented prosthetic foot

The present application discloses an instrument prosthetic foot (20) for use with an actuated leg prothesis (14) controlled by a controller, the instrumented prosthetic foot (20) comprising a connector to connect the instrumented prosthetic foot (20) to the leg prothesis (14), an ankle structure connected to the connector, a ground engaging member connected to the ankle, at least one sensor (22a, 22b, 24a, 24b, 26) for detecting changes in weight distribution along the foot, and an interface for transmitting signals from the sensor to the controller.

Methods and systems for gathering information regarding a prosthetic foot

FOOT-TO-BLADE PROSTHESIS

La présente invention concerne une prothèse de pied 1 comprenant un talon 6, une pointe de pied 7 et un support de cheville 2 caractérisée en ce qu'elle comprend en outre un coup de pied 4 lié au talon 6 par une biellette 5, lié également au support de cheville 2 par un mécanisme 3 et lié également à la pointe de pied 7 par un cardan 8, la pointe de pied 7 étant liée au support de cheville 2 par une lame 10. The present invention relates to a foot prosthesis 1 comprising a heel 6, a toe 7 and an ankle support 2 characterized in that it further comprises a kick 4 linked to the heel 6 by a link 5, also linked to the ankle support 2 by a mechanism 3 and also linked to the toe 7 by a gimbal 8, the toe 7 being linked to the ankle 2 by a blade 10.

Dynamic artificial foot has S shaped plate spring, horizontal back end, fixture bolt, securing pin and hollow spring

The dynamic artificial foot consists of a plastic plate spring (1) bent into a slight S shape, pointing forwards and split lengthwise in the front part. The back end is horizontal and has a single vertical fixture bolt (2) and a fastening pin (7). The back part of the plastic plate spring is higher and rests against the ankle-calf part (3) of the prosthesis. A separate hollow spring (6) for the heel is attached to the back heel part.

Artificial foot

An artificial foot having a longitudinal axis extending from a heel area to a toe area, a length, a width and a height is provided. The artificial foot includes a connection to a lower leg part, an upper supporting structure in the direction of height, an elastic sole structure extending from the heel area to the toe area, an elastic connecting element arranged between the upper supporting structure and the sole structure, and a coupling system. The upper supporting structure is connected to the sole structure approximately in a middle of the foot with respect to its length by means of the coupling system. The coupling system allows a relative tilting motion between the upper supporting structure and the sole structure while keeping a distance between the upper supporting structure and the sole structure in a middle of the coupling system constant, at least while a patient places weight on it when standing.

Prosthetic foot with flexible ankle portion

A keel for a prosthetic foot. In an embodiment, the keel comprises a unitary keel body having a longitudinal axis and a length L. The keel body includes a forefoot portion, a heel portion, and an ankle portion extending therebetween. In addition, the keel comprises a first bumper disposed in a first capture cavity in the ankle portion. The first bumper has a central axis that is substantially perpendicular to the longitudinal axis of the keel body in top view.

Prosthetic foot, and prosthesis for a lower extremity

The invention relates to a prosthetic food (100) comprising a structural component (10) with proximal attachment means (1) for securing the prosthetic foot (100) to a lower leg tube, lower leg shaft (200) or prosthetic knee joint, further comprising a forefoot portion (9) that is secured to or formed on the structural component (10), the proximal attachment means (1) being in the form of a joint (1) or being provided with at least one joint (1).

ACTIVE SHOCK MODULE PROSTHESIS WITH LOW PROFILE

Prosthetic foot devices

An improved prosthetic foot achieves minimal weight, robust structure, and anatomically correct behaviors by means of structural arrangement and maximized material application. The improved prosthetic foot includes a forefoot leaf spring longitudinally strengthened by a raised or inverted channel and a heel assembly having a non-linear loading response as the heel member is depressed during a gait cycle. A forefoot according to the invention has a mean flexure line substantially parallel to, and forwardly displaced from, the Tc axis of rotation of an equivalent intact foot. The forefoot leaf spring channel provides a hinging action that allows for the expression and isolation of rotational forces at the front of the forefoot (inversion and eversion) separate from the rear of the foot. The hinging action also helps advantageously distribute the pressure of the body weight on the foot in a manner akin to a natural foot. The channel also forms a path for the progression of the center of mass of the body as it progresses through the gait process.

Suit design for a leg prosthetic

A garment for retaining a prosthesis assembly includes a sleeve configured to encase at least a portion of a limb and at least a portion of a prosthesis for the limb. The garment further includes tension bands extending along the sleeve and configured to secure the prosthesis to the limb. Another exemplary garment is a body suit including a pant leg configured to encase at least a portion of a leg and at least a portion of a leg prosthesis. The body suit further includes tension bands integrally extending from the pant leg along a torso portion of the body suit and around a shoulder portion of the body suit and configured to secure the leg prosthesis to the leg.

Prosthetic device

A lower limb prosthetic device (10) adapted to be connected to an attachment section such as a sleeve, configured to attach to the limb, or a socket to receive the limb, of an amputee, wherein the prosthetic device (10) comprises (a) a leaf spring member (12), said upper leaf spring member (12) having a proximal , upper, end (14), which proximal end (14) can be fixedly and/or adjustably attached to the attachment section, the leaf spring (12) member further comprising a distal, lower, end (16), which distal end (16) can be fixedly and/or adjustably attached to a foot member (30).

Prosthetic foot with flexible ankle portion

A keel for a prosthetic foot comprises a unitary keel body having a longitudinal axis and a length L. The keel body includes a forefoot portion, a heel portion, and an ankle portion extending therebetween. In addition, the keel comprises a first bumper disposed in a first capture cavity in the ankle portion. The first bumper has a central axis that is substantially perpendicular to the longitudinal axis of the keel body in top view.

Method of measuring the performance of a prosthetic foot

A method of measuring the performance of a prosthetic foot includes obtaining a pressure distribution of the prosthetic foot during a motion of the prosthetic foot and determining whether the pressure distribution falls within a preselected range of performance values for the prosthetic foot. The pressure distribution comprises a trajectory illustrating the progression of a center of pressure of the prosthetic foot during motion. A prosthetic foot can also be designed to approximate a pressure distribution corresponding to a preselected range of performance values.

Prosthetic foot with tunable performance

A prosthetic foot (70) incorporates a foot keel (71) and a calf shank (72) connected to the foot keel to form an ankle joint area of the prosthetic foot. The foot keel has forefoot and hindfoot portions and an upwardly arched midfoot portion extending between the forefoot and midfoot portions. The calf shank includes a downward convexly curved lower end which is adjustably attached at a portion thereof to the foot keel by way of a releasable fastener arrangement which includes a coupling element (73) intermediate the calf shank and foot keel. The coupling element includes a resilient material forming a joint permitting subtalar joint-like motion of the prosthetic foot in gait.

Prosthetic foot with tunable performance

A prosthetic foot ( 124 ) incorporates a foot keel ( 165 ) and a calf shank ( 126 ) connected to the foot keel to form an ankle joint area of the prosthetic foot. The foot keel has forefoot and hindfoot portions and an upwardly arched midfoot portion extending between the forefoot and midfoot portions. The calf shank includes an anterior facing convexly curved lower portion which is adjustably attached at a portion thereof to the foot keel by way of a releasable fastener arrangement. The upper end of the calf shank is movable longitudinally of the foot keel in response to force loading and unloading the calf shank during use of the prosthetic foot. A device ( 125 ) connected between the upper end of the calf shank and the lower portion of the prosthesis can be used to assist posterior movement of the upper end of the calf shank and control anterior movement of the upper end of the calf shank during use of the prosthesis. The device ( 125 ) has springs which store energy during force loading with anterior motion of the upper end of the calf shank in gait and which, during force unloading, return the stored energy as kinetic power for adding to the propulsive force on the user's body generated by the prosthesis in gait.

Electronically controlled prosthetic system

A prosthetic joint system for users comprising a housing having an interior cavity, a center axis in said interior cavity, and an attachment means for fixedly connecting said housing to said user; an inner cylinder disposed in said housing interior cavity wherein said inner cylinder rotates around said center axis of said housing; an appendage attached to said inner cylinder; a sensor system attached to said appendage; and a dampening system, having a power source, in communication with said sensor system, said inner cylinder, and said housing for controlling dampening of the rotation of said inner cylinder around said center axis of said housing.

PROSTHETIC FOOT

Pied prothétique (1) comprenant une partie inférieure d'appui (la) présentant une face inférieure (F1) définissant une surface d'appui du pied prothétique sur le sol et une face supérieure (F2), le pied prothétique (1) comportant également une extension de connexion (lb) s'étendant depuis la partie inférieure d'appui (la) pour former une liaison mécanique entre cette partie inférieure d'appui (la) et un membre d'un sujet, cette extension de connexion (lb) présentant une face avant (F3) et une face arrière (F4) qui s'étendent de part et d'autre de l'extension de connexion (lb), le pied prothétique (1) présentant un contour fermé (C) s'étendant le long des faces avant (F3), supérieure (F2), inférieure (F1), et arrière (F4). Ce pied 1 comporte au moins un premier fil (31) s'étendant le long du contour fermé (C) et autour d'une zone de matière du pied prothétique qui forme un noyau (N). Prosthetic foot (1) comprising a lower support part (la) having a lower face (F1) defining a bearing surface of the prosthetic foot on the ground and an upper face (F2), the prosthetic foot (1) also comprising a connection extension (lb) extending from the lower support part (la) to form a mechanical connection between this lower support part (la) and a member of a subject, this connection extension (lb) having a front face (F3) and a rear face (F4) which extend on either side of the connection extension (lb), the prosthetic foot (1) having a closed contour (C) extending along the front (F3), upper (F2), lower (F1), and rear (F4) faces. This foot 1 comprises at least a first wire (31) extending along the closed contour (C) and around a zone of material of the prosthetic foot which forms a core (N).

Foot prosthesis with adjustable function

Группа изобретений предназначена для использования в протезах нижних конечностей и может быть использована в протезировании и протезостроении. Протез стопы включает в себя киль стопы и стержень голени, соединенный с килем стопы для образования области голеностопного сочленения протеза стопы. Устройство, подсоединенное между верхним концом стержня голени и нижней частью протеза, можно использовать для содействия движению назад верхнего конца стержня голени и управления движением вперед верхнего конца стержня голени во время использования протеза. Устройство имеет пружины, которые запасают энергию во время силовой нагрузки при движении вперед верхнего конца стержня голени при ходьбе, и это устройство во время силовой разгрузки возвращает запасенную энергию в виде кинетической энергии для внесения вклада в движущую силу, действующей на тело пользователя и генерируемой протезом при ходьбе. Протез стопы обеспечивает запас энергии во время силовой нагрузки протеза стопы и возврат запасенной энергии во время силовой разгрузки для увеличения кинетической энергии, генерируемой для движущей силы протезом стопы при ходьбе. Технический результат заключается в обеспечении улучшенных динамических характеристик в ответ на действие прикладываемой силы. 7 н. и 41 з.п. ф-лы, 54 ил.

Prosthetic foot

A prosthetic foot may comprise a resilient lower member, a resilient upper member and an upper bracket. The resilient lower member may comprise a front end, a middle, and a rear end. The resilient upper member may comprise a front end and a rear end. The rear end of the upper member is coupled to the rear end of the resilient lower member and the resilient upper member is positioned over the resilient lower member. The mounting bracket may comprise a front end and a rear end. The front end is coupled to the front end of the resilient upper member and the rear end is configured to attach to the residual limb of the user. The resilient lower member and resilient upper member of the prosthetic foot fit completely within a foot shell.

Prosthetic foot with tunable performance and improved vertical load/shock absorption

A prosthetic foot (1) incorporate a foot keel (2) and a calf shank (6) connected to the foot keel (2) to form an ankle joint area of the prosthetic foot (1). The foot keel (2) has forefoot (3) and hindfoot portions (4) and a relatively long midfoot portion (5) extending between and upwardly arched from the forefoot (3) and midfoot portions (5). The calf shank (6) includes a downward convexly curved lower end (7) which is attached at a portion thereof to the keel midfoot portion (5) by way of an adjustable fastener (8) arrangement. The adjustable fastener (8) arrangement permits adjustment of the alignment of the calf shank (6) and the foot keel (2) with respect to one another in the longitudinal direction of the foot keel (2) for tuning the performance of the prosthetic foot (1). The upwardly arched midportion of the foot keel (2), in addition to absorbing energy from vertical loading by expansion, can be formed with a spring which is compressed to absorb and expanded to return vertical load during use of the prosthetic in wide range of activities from walking to running and jumping.

Base plate and blade design for a leg prosthetic

A blade-type prosthesis assembly includes a blade body extending between a blade bottom and a blade top. The blade top is securable to a socket for a limb and the blade bottom defines a convex surface formed by at least one edge of the blade bottom curving toward the blade top. The prosthesis assembly further includes a base plate. The base plate includes a base plate top surface securable to the blade bottom, a base plate bottom surface opposing the base plate top surface, and a plurality of ground-engaging elements extending from the base plate bottom surface.

Prosthesis for leg amputees

Prosthetic foot

A prosthetic foot may comprise a resilient lower member, a resilient upper member and an upper bracket. The resilient lower member may comprise a front end, a middle, and a rear end. The resilient upper member may comprise a front end and a rear end. The rear end of the upper member is coupled to the rear end of the resilient lower member and the resilient upper member is positioned over the resilient lower member. The mounting bracket may comprise a front end and a rear end. The front end is coupled to the front end of the resilient upper member and the rear end is configured to attach to the residual limb of the user. The resilient lower member and resilient upper member of the prosthetic foot fit completely within a foot shell.

Prosthetic foot with an adjustable ankle and method

A prosthetic foot (10) with an adjustable ankle (14, 14b, 14c, 14d, 14e) includes an upper portion (54e, 54f) coupled to a socket of an amputee. A lower portion (58e, 58f) is adjustably coupled to the upper portion, and is attached to a foot member (18) with heel and toe sections. A movable coupling is disposed between the upper and lower portions, and includes a projection (66e, 66f) slidable in an arcuate slot (70e, 70f). The movable coupling allows the toe section to pivot downward and the heel section to simultaneously displace forward. The adjustable ankle can be adjusted with an actuator (170, 170f) coupled to a tractor bolt (160) coupled between the upper and lower portions. A sensor (182, 182f, 184) is associated with the upper' portion or the lower portion to sense frequency of contact, force of contact, or orientation of the upper portion or the lower portion, and to output a corresponding output signal.

Foot prosthesis with adjustable ankle and corresponding procedure

Einstellbare Sprunggelenkvorrichtung für eine Fußprothese, bei welcher vorgesehen sind: a) ein oberer Abschnitt, der so ausgebildet ist, dass er mit einem Sockel einer amputierten Person gekuppelt wird; b) ein unterer Abschnitt, der einstellbar mit dem oberen Abschnitt gekuppelt ist, und so ausgebildet ist, dass er an einem Fußteil angebracht wird; c) eine bewegliche Kupplung, die zwischen dem oberen und dem unteren Abschnitt angeordnet ist, einen Vorsprung aufweist, der in einem bogenförmigen Schlitz gleiten kann, der sich nach vorn und hinten erstreckt, und einen bogenförmigen Verschiebungsweg festlegt, so dass der Vorsprung darauf eingeschränkt ist, nach vorn und hinten entlang dem bogenförmigen Bewegungsweg zu gleiten, um die Bewegung folgendermaßen einzuschränken: i) gleichzeitig in Richtung nach unten und nach vorn, wobei der untere Abschnitt sich gleichzeitig nach unten verschwenkt und sich nach vorn relativ zum oberen Abschnitt verschiebt; und ii) gleichzeitig in Richtung nach hinten und nach oben,... Adjustable ankle device for a prosthetic foot, in which are provided: a) an upper portion adapted to be coupled to a socket of an amputee; b) a lower portion adjustably coupled to the upper portion and adapted to be attached to a foot portion; c) a movable coupling, which is arranged between the upper and the lower portion, has a projection which can slide in an arcuate slot which extends forwards and backwards, and defines an arcuate displacement path, so that the projection is limited thereto to slide forward and backward along the arcuate path of movement to restrict movement as follows: i) simultaneously in the downward and forward directions, the lower section simultaneously pivoting downwards and shifting forward relative to the upper section; and ii) simultaneously towards the back and up, ...

Prosthetic foot with tunable performance

A system for a lower extremity prosthesis comprising a foot, an ankle and a shank, has a posterior calf device (169) on the prosthesis to store energy during force loading of the prosthesis and return the stored energy during force unloading to increase the kinetic power generated for propulsive force by the prosthesis in gait. The device in several embodiments includes at least one elongated member (171) such as a flexible strap extending between an upper portion of the shank and a lower portion of the prosthesis, and at least one coiled spring (170) which has a free end connected to the elongated member. The coiled spring is expanded by the elongated member in response to anterior movement of the upper end of the shank for storing energy.

Systems and methods for actuating a prosthetic ankle

Systems and methods for sensing actuating a prosthetic ankle are disclosed. In one example, the system, such as an actuated prosthetic ankle joint, detects that the user has moved to a relaxed position, such as sitting, reclining, crawling, or leaning. In response, the actuated prosthetic ankle joint actively adjusts the angle between the members of the ankle to a relaxed state. The system may further detect when the user has moved to exit the relaxed position, and may actively adjust the angle between the members of the ankle to an exit state.

Foot prosthesis with resilient multi-axial ankle

The present foot prosthesis includes various structural features that provide the foot with advantageous rollover properties. In certain embodiments, the foot guides rollover toward the medial side. For example, an asymmetrical upper element and a correspondingly shaped resilient ankle member support more of the wearer's weight on the lateral side as the foot rolls over. In another embodiment, stiffeners added to the resilient ankle member increase the stiffness on the lateral side relative to the medial side. In certain other embodiments, the foot provides progressively increasing support from mid stance through toe off. For example, a gap between the resilient ankle member and the lower element closes during the later portion of the wearer's gait. The closing gap increases a contact area between the resilient ankle member and the lower element, providing progressively increasing support. In another embodiment, the foot includes a gap between a lower front edge of an attachment adapter and the upper element. The gap may be filled with a resilient material.

Systems and methods for actuating a prosthetic ankle

Systems and methods for sensing actuating a prosthetic ankle are disclosed. In one example, the system, such as an actuated prosthetic ankle joint, detects that the user has moved to a relaxed position, such as sitting, reclining, crawling, or leaning. In response, the actuated prosthetic ankle joint actively adjusts the angle between the members of the ankle to a relaxed state. The system may further detect when the user has moved to exit the relaxed position, and may actively adjust the angle between the members of the ankle to an exit state.

Prosthetic foot with tunable performance and improved vertical load/shock absorption

A prosthetic foot incorporate a foot keel and a calf shank connected to the foot keel to form an ankle joint area of the prosthetic foot. The foot keel has forefoot and hindfoot portions and a relatively long midfoot portion extending between and upwardly arched from the forefoot and midfoot portions. The calf shank includes a downward convexly curved lower end which is attached at a portion thereof to the keel midfoot portion by way of an adjustable fastener arrangement. The foot has biplanar motion capability and, in a preferred form, also has high low dynamic response characteristics. The adjustable fastener arrangement permits adjustment of the alignment of the calf shank and the foot keel with respect to one another in the longitudinal direction of the foot keel for tuning the performance of the prosthetic foot.

Sensing systems and methods for monitoring gait dynamics

Systems and method for monitoring gait dynamics are disclosed. The performance of an orthotic or prosthetic device or other device associated with a limb may be measured based on the resistance of a bending sensor. Data from the sensors is gathered or processed, particularly for purposes of alignment, safety, failure, usage, selection, and artificial proprioception. Information relating to the device may be outputted visually or auditorily to an individual.

Actuated prosthesis for amputees

The actuated leg prosthesis comprises a knee member, a socket connector provided over the knee member, an elongated trans-tibial member having a bottom end under which is connected an artificial foot, and a linear actuator. A first pivot assembly allows to operatively connect the trans-tibial member to the knee member. A second pivot assembly allows to operatively connect an upper end of the actuator to the knee member. A third pivot assembly allows to operatively connect a bottom end of the actuator to the bottom end of the trans-tibial member. The prosthesis can be provided as either a front actuator configuration or a rear actuator configuration.

Split foot prosthesis

A prosthetic foot is characterized by an attachment section and plurality of curvilinear foot portions extending downwardly from the attachment section to contact a supporting surface. The portions are capable of movement independent from one another. Preferably, the plurality of foot portions is fabricated by dividing a forefoot portion and a heel portion demountably attached thereto. Such division may be achieved by the provision of a slot in said forefoot and heel portions. A strap or similar expedient is provided to limit the movement of the foot portions relative to each other.

DENTURE STOP WITH ADJUSTABLE FUNCTION

Prosthetic foot with tunable performance

A resilient lower extremity prosthesis comprising a foot, an ankle and a shank above the ankle is provided with an artificial muscle (190) on the shank (191) of the prosthesis for storing energy during force loading of the prosthesis in the active propulsion phase of a person's gait and in the later stages of stance-phase of gait releasing the stored energy to aid propulsion of the person's trailing limb and body.

Prosthetic foot with an adjustable ankle and method

A prosthetic foot with an adjustable ankle includes an upper portion coupled to a socket of an amputee. A lower portion is adjustably coupled to the upper portion, and is attached to a foot member with heel and toe sections. A movable coupling is disposed between the upper and lower portions, and includes a displacement member slidably coupled to a displacement track. The movable coupling allows the toe section to pivot downward and the heel section to simultaneously displace forward. The adjustable ankle can be adjusted with a motor coupled to a tractor bolt coupled between the upper and lower portions. A level sensor can sense the orientation of the upper portion and send a signal to operate the motor to vertically orient the upper portion or level the foot.

Smooth rollover insole for prosthetic foot

A prosthetic foot includes a foot member, a heel member operatively coupled to the foot member. At least one of the heel member and foot member define an arch portion that faces a support surface that the prosthetic foot contacts during use. An insole member contacts said arch portion, the insole member configured to facilitate a rollover of the prosthetic foot in at least one of a lateral-medial and a medial-lateral direction during ambulation.

Prosthetic foot with longer upper forefoot and shorter lower forefoot

The invention provides a prosthetic foot device (10, 100, 200, 300, 400, 500) including an elongated upper forefoot portion (14, 514) extending through an upper attachment section, forwardly through an arch section, and to a toe section (34) positioned at a toe location of a natural foot. The foot device also includes an elongated lower forefoot portion (12, 112, 412, 512) extending through an upper attachment section attached to the attachment section of the upper forefoot portion, and forwardly under the arch section of the upper forefoot portion to a terminal end (48, 148, 448, 548) positioned under the ball location of a natural foot and rearward of the toe section of the upper forefoot portion.

Prosthetic foot with tunable performance

A prosthetic foot (1) incorporates a foot keel (2) and a calf shank (6) connected to the foot keel to form an ankle joint area of the prosthetic foot (1). The foot keel (2) has forefoot (3) and hindfoot (4) portions and a relatively long midfoot portion (5) extending between and upwardly arched from the forefoot (3) and midfoot hindfoot (4) portions. The calf shank (6) includes a downward convexly curved lower end (7) which is attached at a portion thereof to the keel midfoot portion (5) by way of an adjustable fastener (8) arrangement. The foot has biplanar motion capability and, in a preferred form, also has high low dynamic response characteristics. The adjustable fastener (8) arrangement permits adjustment of the alignment of the calf shank (6) and the foot keel (2) with respect to one another in the longitudinal direction of the foot keel (2) for tuning the performance of the prosthetic foot (1).

Dynamic prosthetic foot with multiple load points and single upper

A dynamic prosthetic foot having multiple load points includes a sole and an upper member that overlies the sole. A heel end of the upper member has a gradual ninety degree bend formed in so that it is normal to the sole. A longitudinally-extending slot divides the heel end of the upper member into a lateral pylon support and a medial pylon support. The lateral pylon support is thicker than the medial pylon support so that forces applied to the lateral and medial pylons are transferred to a greater extent to the medial pylon support. Vertical bounce during heel strike is eliminated, as is the flat spot. The foot further provides medial lateral stiffness, medial lateral stability, torsional flex and anysotropic stiffness. In a second embodiment, an elongate lateral and medial pylon replace the lateral and medial pylon supports, respectively.

Artificial foot

一种义脚，具有一用于小腿部分的连接件(1)并具有一前脚件(6)，该前脚件借助上耦合元件(3)和下耦合元件(8)与该连接件(1)铰接式连接，使得连接件(1)的角度位置控制前脚件(6)的角度位置，其中，这些耦合元件(3，8)之一一直延伸到该脚的脚踵区域中，其中，下耦合元件(8)一直延伸到脚踵区域中，由此避免脚有效的长度在负荷下变化。

Prosthetic leg with adjustable function

Artificial foot

FIELD: medicine. SUBSTANCE: artificial foot comprises an insert with an upper horizontal part which forms the upper bridge of the foot prosthesis and affords a possibility for connection with said prosthesis, a lower part which is longer than the upper one and its free end passes inward to the foot toe. The integral insert has a nearly S-shaped configuration in the longitudinal section. The upper part of the insert together with the front slanted part adjoining it at an obtuse angle forms a rigid angular member whose lower end adjoins a middle part shaped like a flat spring and connected by its rear end to the lower part via a connector of a nearly semicircular shape. EFFECT: improved design. 17 cl, 4 dwg

Prosthetic foot with tunable performance

Method of measuring the performance of a prosthetic foot

A method of measuring the performance of a prosthetic foot includes obtaining a pressure distribution of the prosthetic foot during a motion of the prosthetic foot and determining whether the pressure distribution falls within a preselected range of performance values for the prosthetic foot. The pressure distribution comprises a trajectory illustrating the progression of a center of pressure of the prosthetic foot during motion. A prosthetic foot can also be designed to approximate a pressure distribution corresponding to a preselected range of performance values.

Blade shroud design for a leg prosthetic

Blade-type prosthesis assemblies include a socket securable to a wearer of the prosthesis assembly and a blade securable to the socket. The blade has a blade body extending between a blade bottom and a blade top. The assembly further includes a base plate securable to the blade bottom. The base plate includes a shroud retainer element. The assembly further comprises a blade shroud covering at least a portion of the blade body and securable to the shroud retainer element and at least one of the socket and the blade body.

Artificial limb and manufacture of same

一种模制品的制造方法，其包括下述步骤：将非金属纤维浸入环氧树脂，由此所述浸渍纤维可被排列形成所述纤维薄片；从所述薄片切割出多个预浸料；形成所述预浸料的连续层从而所述层(优选地由具有交叉方向排列的纤维的预浸料形成，该预浸料可以被具有经向和/或纬度方向排列的纤维的预浸料代替)以堆叠关系布置在压模的模腔内；在高温下压制成型；以及从压模中取出模制品。也提供了一种本来的模制品以及由此制造方法形成的。优选地，模制品是包括J形支架(11)和脚底板(23)假肢器件。

FOOT SAFETY WITH ADJUSTABLE PERFORMANCE

Method of construction of moulded products

A method of construction of a moulded product which includes the steps of impregnating non-metallic fibres in epoxy resin whereby said impregnated fibres may be arranged to form a sheet of said fibres; cutting a plurality of pre-pregs from said sheet; forming successive layers of said pre-pregs so that said layers are arranged in stacked relationship (preferably formed of pre-pregs having fibres arranged in an intersecting orientation which alternate with pre-pregs having fibres arranged in a longitudinal and/or latitudinal orientation) in a mould cavity of a compression mould; compression moulding at elevated temperature; and removing the moulded product from the compression mould. There is also provided a moulded product per se as well as a moulded product formed by the method of construction. The moulded product is preferably a prosthetic device including a J-shaped pylon (11) and sole plate (23).

Method of measuring the performance of a prosthetic foot

A method of measuring the performance of a prosthetic foot includes obtaining a pressure distribution of the prosthetic foot during a motion of the prosthetic foot and determining whether the pressure distribution falls within a preselected range of performance values for the prosthetic foot. The pressure distribution comprises a trajectory illustrating the progression of a center of pressure of the prosthetic foot during motion. A prosthetic foot can also be designed to approximate a pressure distribution corresponding to a preselected range of performance values.

Prosthetic foot devices

An improved prosthetic foot achieves minimal weight, robust structure, and anatomically correct behaviors by means of structural arrangement and maximized material application. The improved prosthetic foot includes a forefoot leaf spring longitudinally strengthened by a raised or inverted channel and a heel assembly having a non-linear loading response as the heel member is depressed during a gait cycle. A forefoot according to the invention has a mean flexure line substantially parallel to, and forwardly displaced from, the Tc axis of rotation of an equivalent intact foot. The forefoot leaf spring channel provides a hinging action that allows for the expression and isolation of rotational forces at the front of the forefoot (inversion and eversion) separate from the rear of the foot. The hinging action also helps advantageously distribute the pressure of the body weight on the foot in a manner akin to a natural foot. The channel also forms a path for the progression of the center of mass of the body as it progresses through the gait process.

Lower leg prosthesis with improved rollover

一种具有改进的转滚性和稳定性的足部假体。假体包括第一板和安装块，该安装块具有构造成联接到假体使用者的安装部分，联结部分和间隙部分，并且安装块在联结部分处联结到第一板，并且在安装块间隙部分和第一板之间存在间隙。还包括至少局部地在间隙中定位的弹性元件，弹性元件构造成基本耗散在第一板中的应力并且控制在第一板和安装块之间的偏转。安装块可以是基本刚性的，并且第一板的联结到安装块的区域变得基本刚性而第一板的其余部分是至少局部柔性的。弹性元件是可以互换的以调节假体的性能。

System and method for motion-controlled foot unit

A system and method associated with the movement of a limb. In one example, the system, such as a prosthetic or orthotic system, includes an actuator (116) that actively controls, or adjusts, the angle between a foot unit (104) and a lower limb member (102). A processing module may control movement of the actuator (116) based on data obtained from a sensor module. For instance, sensing module data may include information relating to the gait of a user and may be used to adjust the foot unit to substantially mimic the movement of a natural, healthy ankle. The system may further accommodate, for example, level ground walking, traveling up/down stairs, traveling up/down sloped surfaces, and various other user movements. In addition, the processing module may receive user input or display output signals through an external interface. For example, the processing module may receive a heel height input from the user.

Foot prosthesis with elastic ankle and oblique attachment

Fußprothesenvorrichtung (10, 110, 310, 410, 510), mit: a) einem langgestreckten Vorderfußteil (14, 114, 314), der sich 1) nach hinten durch einen oberen Befestigungsabschnitt (22), der dazu ausgelegt ist, mit einer Gliedmaße eines Amputierten gekoppelt zu werden, 2) nach unten durch einen Knöchelabschnitt (26), der an einer Knöchelstelle eines natürlichen Fußes angeordnet ist, 3) nach vorn durch einen Spannabschnitt (30) und 4) zu einem Zehenabschnitt (34), der an einer Zehenstelle eines natürlichen Fußes angeordnet ist, erstreckt; und b) einem langgestreckten hinteren Knöchelteil (12, 112), der sich 1) nach hinten durch einen oberen Befestigungsabschnitt (138), der am Befestigungsabschnitt (22) des Vorderfußteils (14, 114) befestigt ist, 2) nach unten durch einen Knöchelabschnitt (42, 52), 3) nach vorn unter den Knöchelabschnitt (26) des Vorderfußteils (14, 114, 314) und 4) nach hinten zu einem Fersenabschnitt (50), der an einer Fersenstelle einer natürlichen Ferse angeordnet ist, erstreckt. Prosthetic foot device (10, 110, 310, 410, 510), comprising: a) an elongate forefoot portion (14, 114, 314) extending 1) rearwardly through an upper attachment portion (22) adapted for one limb 2) downwardly through an ankle section (26) located at an ankle site of a natural foot; 3) forwardly through a tensioning section (30) and 4) to a toe section (34) which abuts on an amputee Toe of a natural foot is arranged extends; and b) an elongate rear ankle member (12, 112) extending 1) rearwardly through an upper attachment portion (138) secured to the attachment portion (22) of the forefoot portion (14, 114), 2) downwardly through an ankle portion (42, 52), 3) extends forwards under the ankle portion (26) of the forefoot portion (14, 114, 314) and 4) rearwardly to a heel portion (50) disposed at a heel point of a natural heel.

Instrumented prosthetic foot

본 발명은 제어기에 의해 제어되며 액츄에이팅 되는 의지다리(14)와 함께 이용되는 도구화된 의지발(20)로서, 상기 의지다리(14)에 도구화된 의지발(20)을 연결하는 커넥터, 상기 커넥터에 연결되는 발목구조체, 상기 발목에 연결되는 그라운드 결합부재, 상기 발에 따른 무게 분포의 변화를 검출하는 적어도 하나의 센서(22a, 22b, 24a, 24b, 26), 및 상기 센서로부터 제어기에 신호를 송신하는 인터페이스를 포함한다. The present invention is a tooled foot 20 used with a willow leg 14 that is controlled and actuated by a controller, the connector connecting the tooled foot 20 to the willow leg 14, the Ankle structure connected to the connector, a ground coupling member connected to the ankle, at least one sensor (22a, 22b, 24a, 24b, 26) for detecting a change in weight distribution according to the foot, and a signal from the sensor to the controller It includes an interface for transmitting. 의지발, 의지다리, 발목, 센서, 인터페이스, 그라운드 결합부재, 제어기 Feet, legs, ankle, sensor, interface, ground coupling, controller

Prosthetic foot with tunable performance and improved vertical load/shock absorption

A prosthetic foot (1) incorporate a foot keel (2) and a calf shank (6) connected to the foot keel (2) to form an ankle joint area of the prosthetic foot (1). The foot keel (2) has forefoot (3) and hindfoot portions (4) and a relatively long midfoot portion (5) extending between and upwardly arched from the forefoot (3) and midfoot portions (5). The calf shank (6) includes a downward convexly curved lower end (7) which is attached at a portion thereof to the keel midfoot portion (5) by way of an adjustable fastener (8) arrangement. The adjustable fastener (8) arrangement permits adjustment of the alignment of the calf shank (6) and the foot keel (2) with respect to one another in the longitudinal direction of the foot keel (2) for tuning the performance of the prosthetic foot (1). The upwardly arched midportion of the foot keel (2), in addition to absorbing energy from vertical loading by expansion, can be formed with a spring which is compressed to absorb and expanded to return vertical load during use of the prosthetic in wide range of activities from walking to running and jumping.

3 FOOT PROSTHESIS DIVIDED INTO PARTS