MYOELECTRIC ELECTRODE ASSEMBLY

A myoelectric electrode assembly for a prosthesis comprising a retention ring adapted to be inserted into a correspondingly shaped aperture in the wall of the prosthesis. The assembly also has a myoelectric electrode unit held within the retention ring by means of a gasket which surrounds the electrode unit and is in sealing engagement therewith. A portion of the gasket is received in and sealingly engages with an annular recess around the inside of the retention ring. 1. A myoelectric electrode assembly for a prosthesis comprising a retention ring adapted to be inserted into a correspondingly shaped aperture in the wall of the prosthesis , and a myoelectric electrode unit held within the retention ring by means of a gasket which surrounds the electrode unit and is in sealing engagement therewith and a portion of which is received in and sealingly engages with an annular recess around the inside of the retention ring.2. A myoelectric electrode assembly according to claim 1 , wherein the said portion comprises an annular flange which projects outwardly from a periphery of the gasket.3. A myoelectric electrode assembly according to claim 1 , wherein the gasket is made of a resilient material to facilitate removal and replacement of the myoelectric electrode unit.4. A myoelectric electrode assembly according to claim 1 , wherein the gasket is made of a natural or synthetic rubber material.5. A myoelectric electrode assembly according to claim 1 , wherein the myoelectric unit is generally rectangular as viewed from above claim 1 , so that the gasket and the retention ring are correspondingly rectangular to provide generally rectangular apertures.6. A myoelectric electrode assembly according to claim 2 , wherein the flange is generally T-shaped in section with a first portion extending away from the myoelectric electrode unit claim 2 , and a second portion at the distal end of the first portion extending transversely thereof claim 2 , with the second portion being ...

A mechanical hand

The present application describes a cover assembly ( 102 ) for a prosthetic or robot hand, comprising a substantially flexible cover portion ( 104 ) locatable on at least one moveable digit assembly of a prosthetic hand; and at least one substantially rigid cover element ( 208, 210, 212, 214 ) attachable to the flexible cover portion. A prosthetic or robot hand comprising a cover assembly and a method of assembling a prosthetic or robot hand are also described.

Prosthetic or Robot Part

A prosthetic or robot part, comprising a base, a proximal and a distal. The proximal is mounted on the base so as to be rotatable thereabout in a given sense. The distal is mounted on the proximal so as to be rotatable thereabout in the same sense to effect a gripping action of the prosthetic or robot part. The proximal and the distal are rotatable in the opposite sense to release the grip. One part of a drive of the part is pivoted to the base about a base pivot axis. Another part of the drive is pivoted to the distal about a distal pivot axis. The distal is also pivoted to the proximal about the said distal pivot axis. Thus the proximal, the distal and the said another part of the drive are all pivotable relative to one another about the said distal pivot axis.

Prosthesis electrode

The present application describes apparatus ( 100 ) for locating an electrode unit on a prosthesis socket, comprising an electrode unit ( 102 ) locatable in a socket aperture ( 106 ) and having a first abutment surface ( 118 ) for engagement with an inner surface ( 120 ) of the socket; and a retaining element ( 104 ) locatable on the electrode unit and having a further abutment surface ( 126 ) for engagement with an outer surface ( 128 ) of the socket or the first abutment surface of the electrode unit.

A MECHANICAL HAND

The present application describes a prosthetic or robot part (), comprising at least one phalange member () pivotally coupled to a base () at a pivot axis; and a drive assembly to selectively move the phalange member about the pivot axis along a flexion/extension plane between an open position and a closed position, said drive assembly comprising a drive element () coupled to an actuator () and a driven element () coupled to the phalange member; wherein the driven element () is decouplable from the drive element () when the phalange member is caused to move in a first rotational direction about the pivot axis by an external force. 125-. (canceled)26. A prosthetic or robot part , comprising:at least one phalange member pivotally coupled to a base at a pivot axis; anda drive assembly to selectively move the phalange member about the pivot axis along a flexion/extension plane between an open position and a closed position, said drive assembly comprising a drive element coupled to an actuator and a driven element coupled to the phalange member;wherein the driven element is decouplable from the drive element when the phalange member is caused to move in a first rotational direction about the pivot axis by an external force.27. The part according to claim 26 , wherein the first rotational direction is towards the closed position.28. The part according to claim 27 , wherein the drive assembly is configured such that the drive element drives the driven element in a first translational direction to thereby move the phalange member in the first rotational direction.29. The part according to claim 27 , wherein the drive assembly is configured such that the driven element is urged to follow the drive element when moved in a second translational direction opposed to the first translational direction to thereby move the phalange member in a second rotational direction opposed to the first rotational direction.30. The part according to claim 29 , wherein the second rotational ...

A MECHANICAL HAND

The present application describes a mechanical hand () comprising a plurality of finger assemblies () each selectively moveable by a respective finger drive assembly about a finger pivot axis along a finger flexion/extension plane and between a finger open position and a finger closed position; a thumb assembly () selectively rotatable by a first thumb drive assembly about a first thumb axis between an opposed position and a non-opposed position with respect to the finger assemblies, and selectively moveable by a second thumb drive assembly about a second thumb axis along a thumb flexion/extension plane and between a thumb open position and a thumb closed position; a controller operatively coupled to the finger and thumb drive assemblies; and a selector operatively coupled to the controller for selecting a desired thumb rotational position or a desired grip to be defined by the finger assemblies and the thumb assembly. A method of operating a mechanical hand is also described. 125-. (canceled)26. A mechanical hand comprising:a plurality of finger assemblies each selectively moveable by a respective finger drive assembly about a finger pivot axis along a finger flexion/extension plane and between a finger open position and a finger closed position;a thumb assembly selectively rotatable by a first thumb drive assembly about a first thumb axis between an opposed position and a non-opposed position with respect to the finger assemblies, and selectively moveable by a second thumb drive assembly about a second thumb axis along a thumb flexion/extension plane and between a thumb open position and a thumb closed position;a controller operatively coupled to the finger and thumb drive assemblies; anda selector operatively coupled to the controller for selecting a desired thumb rotational position or a desired grip to be defined by the finger assemblies and the thumb assembly,wherein the selector comprises at least one switch or sensor configured to send an input signal to the ...

A MECHANICAL HAND

The present application describes apparatus for supporting a mechanical hand, comprising a support member () pivotally coupled at a hinge axis () to a mounting member (); and at least one leaf spring () configured to resist movement of the support member about the hinge axis. Apparatus for supporting a mechanical hand, comprising a lock arrangement () to lock the support member with respect to the mounting member in a rotational position about the hinge axis is also described. 126-. (canceled)27. Apparatus for supporting a mechanical hand , comprising:a support member pivotally coupled at a hinge axis to a mounting member; andat least one leaf spring configured to resist movement of the support member about the hinge axis.28. The apparatus according to claim 27 , wherein the at least one leaf spring is configured to urge the support member towards a neutral equilibrium position with respect to the mounting member.29. The apparatus according to claim 27 , wherein:the at least one leaf spring comprises a first leaf spring configured to resist movement of the support member in a first direction about the hinge axis, anda second leaf spring configured to resist movement of the support member in a second direction about the hinge axis, the second direction being opposed to the first direction.30. The apparatus according to claim 28 , wherein each spring is configured such that both springs engage the mounting member when the support member is in the neutral equilibrium position.31. The apparatus according to claim 27 , wherein the at least one leaf spring comprises an elongate main portion coupled to the support portion and at least one elongate leg portion extending from the main portion and engageable with the mounting member to provide a reaction force when the support member is forced to move about the hinge axis.32. The apparatus according to claim 31 , wherein the leg portion defines a first angle with respect to a plane of the main portion which is around 5-85 ...

A mechanical hand

A mechanical hand

A mechanical hand 100 comprising a plurality of fingers 102 moveable by respective drive assemblies 106 between open and closed positions along a flexion/extension plane, a thumb assembly 104 rotatable by first and second thumb drive assemblies about a first thumb axis between opposed and non-opposed positions and a second thumb axis along a flexion/extension plane, a controller coupled to the finger and thumb drive assemblies, and a selector for selecting a desired thumb position or grip. The selector may comprise switches or sensors to detect forced motion of the thumb by the user. The thumb may be mounted on a rocker that rotates about a third axis perpendicular to the first and monitored by the switch or sensors. The thumb may be biased about the third axis to return to a neutral position. Force may be applied to the thumb to cycle through a series of pre-set grip options.

Mechanical hand

A prosthetic or robot part (500) is described, including at least one phalange member (532) pivotally coupled to a base (509) at a pivot axis; and a drive assembly to selectively move the phalange member about the pivot axis along a flexion/extension plane between an open position and a closed position. The drive assembly includes a drive element (512) coupled to an actuator (506) and a driven element (514) coupled to the phalange member; wherein the driven element (514) is decouplable from the drive element (512) when the phalange member is caused to move in a first rotational direction about the pivot axis by an external force.

A mechanical hand

The present application describes a prosthetic or robot part (500), comprising at least one phalange member (532) pivotally coupled to a base (509) at a pivot axis; and a drive assembly to selectively move the phalange member about the pivot axis along a flexion/extension plane between an open position and a closed position, said drive assembly comprising a drive element (512) coupled to an actuator (506) and a driven element (514) coupled to the phalange member; wherein the driven element (514) is decouplable from the drive element (512) when the phalange member is caused to move in a first rotational direction about the pivot axis by an external force.

A mechanical hand

The present application describes a prosthetic or robot part (500), comprising at least one phalange member (532) pivotally coupled to a base (509) at a pivot axis; and a drive assembly to selectively move the phalange member about the pivot axis along a flexion/extension plane between an open position and a closed position, said drive assembly comprising a drive element (512) coupled to an actuator (506) and a driven element (514) coupled to the phalange member; wherein the driven element (514) is decouplable from the drive element (512) when the phalange member is caused to move in a first rotational direction about the pivot axis by an external force.

Prosthesis electrode

A mechanical hand

The present application describes a mechanical hand (100) comprising a plurality of finger assemblies (102) each selectively moveable by a respective finger drive assembly about a finger pivot axis along a finger flexion/extension plane and between a finger open position and a finger closed position; a thumb assembly (104) selectively rotatable by a first thumb drive assembly about a first thumb axis between an opposed position and a non-opposed position with respect to the finger assemblies, and selectively moveable by a second thumb drive assembly about a second thumb axis along a thumb flexion/extension plane and between a thumb open position and a thumb closed position; a controller operatively coupled to the finger and thumb drive assemblies; and a selector operatively coupled to the controller for selecting a desired thumb rotational position or a desired grip to be defined by the finger assemblies and the thumb assembly. A method of operating a mechanical hand is also described.

Apparatus for supporting a mechanical hand

The present application describes apparatus for supporting a mechanical hand, comprising a support member (200) pivotally coupled at a hinge axis (604) to a mounting member (700); and at least one leaf spring (707) configured to resist movement of the support member about the hinge axis. Apparatus for supporting a mechanical hand, comprising a lock arrangement (750) to lock the support member with respect to the mounting member in a rotational position about the hinge axis is also described.

A mechanical hand

A cover assembly for a prosthetic or robot hand, comprising a substantially flexible cover portion 104 for at least one moveable digit assembly 107 of a prosthetic hand, and at least one substantially rigid cover element 208 attachable to the flexible cover portion. The rigid elements may be removably attached to the flexible portion and may be received in recessed regions 108, 110. The flexible portion may envelop all digits of the hand and terminate proximate a wrist region with a seal. A bellowed region may be located at rotational axes of the digit assemblies. The digit assemblies may have substantially resilient pulp portions 310 that may have associated force sensor. A prosthetic or robot hand comprising a cover assembly and a method of assembling a prosthetic or robot hand are also described. A prosthetic hand may comprise a digit assembly with phalanges with substantially resilient pulp portions.

A mechanical hand

The present application describes a cover assembly (102) for a prosthetic or robot hand, comprising a substantially flexible cover portion (104) locatable on at least one moveable digit assembly of a prosthetic hand; and at least one substantially rigid cover element (208, 210, 212, 214) attachable to the flexible cover portion. A prosthetic or robot hand comprising a cover assembly and a method of assembling a prosthetic or robot hand are also described.

A mechanical hand

The present application describes a cover assembly (102) for a prosthetic or robot hand, comprising a substantially flexible cover portion (104) locatable on at least one moveable digit assembly of a prosthetic hand; and at least one substantially rigid cover element (208, 210, 212, 214) attachable to the flexible cover portion. A prosthetic or robot hand comprising a cover assembly and a method of assembling a prosthetic or robot hand are also described.

A myoelectric electrode assembly

A mechanical digit assembly

A mechanical digit assembly comprises a mechanical digit a leadscrew 8 configured to rotate about a leadscrew axis and a leadscrew nut 3 mounted to the leadscrew such that rotation of the leadscrew actuates the leadscrew nut in the direction of the leadscrew axis. The leadscrew comprises a first portion along which the leadscrew nut can travel to selectively drive the mechanical digit to rotate about a first axis of rotation 20 from an open position to a closed position and vice-versa. The leadscrew also comprises a second portion along which the leadscrew nut can travel to selectively drive the mechanical digit to rotate about a second axis of rotation 21 from an opposed position to an unopposed position and vice-versa. Rotation of the mechanical digit about the second axis of rotation is limited by a rotation boss 70 which is configured to move in a track. Also disclosed is a method of actuating a mechanical digit assembly.

Electrodo para prótesis

La presente solicitud describe un aparato (100) para ubicar una unidad de electrodo en un encaje de prótesis, que comprende una unidad de electrodo (102) ubicable en una abertura del encaje (106) y que tiene una primera superficie de apoyo (118) para acoplarse con una superficie interna (120).) del enchufe; y un elemento de retención (104) localizable en la unidad de electrodo y que tiene una superficie de apoyo adicional (126) para acoplarse con una superficie exterior (128) del casquillo o la primera superficie de apoyo de la unidad de electrodo. (Traducción automática con Google Translate, sin valor legal)

Mechanical hand

The present application describes apparatus for supporting a mechanical hand, comprising a support member (200) pivotally coupled at a hinge axis (604) to a mounting member (700); and at least one leaf spring (707) configured to resist movement of the support member about the hinge axis. Apparatus for supporting a mechanical hand, comprising a lock arrangement (750) to lock the support member with respect to the mounting member in a rotational position about the hinge axis is also described.

Prosthesis electrode

The present application describes apparatus (100) for locating an electrode unit on a prosthesis socket, comprising an electrode unit (102) locatable in a socket aperture (106) and having a first abutment surface (118) for engagement with an inner surface (120) of the socket; and a retaining element (104) locatable on the electrode unit and having a further abutment surface (126) for engagement with an outer surface (128) of the socket or the first abutment surface of the electrode unit.

Apparatus for supporting a mechanical hand

The present application describes apparatus for supporting a mechanical hand, comprising a support member (200) pivotally coupled at a hinge axis (604) to a mounting member (700); and at least one leaf spring (707) configured to resist movement of the support member about the hinge axis. Apparatus for supporting a mechanical hand, comprising a lock arrangement (750) to lock the support member with respect to the mounting member in a rotational position about the hinge axis is also described.

Apparatus for actuating a mechanical digit

Apparatus 100 for actuating a mechanical digit comprises: an actuator 1 having an actuator output; and an output element 7. The apparatus further comprises first 3 and second 2 drive elements mechanically coupled to the actuator output. A high speed driven element 5 is mechanically engaged with the first drive element, whilst a low speed driven element 4 is mechanically engaged with the second drive element. A driven element selector 6 selectively: engages the high speed driven element 5 to the output element 7 and disengages the low speed driven element 4 from the output element; or engages the low speed driven element 4 to the output element 7 and disengages the high speed driven element 5 from the output element 7. The apparatus further comprises a controller 510 to control the driven element selector 6. Also disclosed is a method of operating an apparatus for actuating a mechanical digit comprising: receiving a user input; determining the position of a driven element selector; engaging a digit actuator in a first mode; determining a speed and/or position of the mechanical digit; and, when the speed and/or position reaches a threshold speed/position, engaging the digit actuator in a second mode.

Prosthetic or robot part

A prosthetic or robot part, comprising a base, a proximal and a distal. The proximal is mounted on the base so as to be rotatable thereabout in a given sense. The distal is mounted on the proximal so as to be rotatable thereabout in the same sense to effect a gripping action of the prosthetic or robot part. The proximal and the distal are rotatable in the opposite sense to release the grip. One part of a drive of the part is pivoted to the base about a base pivot axis. Another part of the drive is pivoted to the distal about a distal pivot axis. The distal is also pivoted to the proximal about the said distal pivot axis. Thus the proximal, the distal and the said another part of the drive are all pivotable relative to one another about the said distal pivot axis.