Abstract: An apparatus includes an actuator configured to generate vibrations. The actuator includes a substantially planar piezoelectric oscillator having a central portion substantially surrounding and in mechanical communication with a coupling portion and a peripheral portion spaced from the coupling portion. The piezoelectric oscillator is configured to undergo bending oscillations in response to received electric voltage signals. The actuator further includes at least one mass configured to move in response to the bending oscillations of the piezoelectric oscillator. The actuator further includes at least one coupler configured to allow expansion and contraction of the peripheral portion along a first direction substantially parallel to the piezoelectric oscillator and to inhibit movement of the peripheral portion relative to the at least one mass along a second direction substantially perpendicular to the piezoelectric oscillator.

Abstract: An actuator for generating vibrations is configured to be in mechanical communication with a fixture implanted on or within a recipient's body and includes a piezoelectric oscillator configured to undergo bending oscillations in response to received electric voltage signals and at least one mass configured to move in response to the bending oscillations of the piezoelectric oscillator. The actuator further includes at least one resilient coupler mechanically attached to the piezoelectric oscillator and configured to, in response to an impulse applied to the actuator, allow movement of the piezoelectric oscillator relative to the fixture and/or of the at least one mass relative to the piezoelectric oscillator.

Abstract: An apparatus includes a coupling portion configured to be releasably coupled to an abutment affixed to a recipient's body. The coupling portion includes a substantially cylindrically symmetric body portion extending along a symmetry axis, the body portion including an outer body surface having a recess extending around the symmetry axis. The coupling portion further includes a resilient member in the recess and extending around the symmetry axis. The resilient member extends outwardly past the outer body surface and is configured to contact an inner abutment surface of the abutment. The resilient member is configured to undergo compression by the inner abutment surface and an inner surface of the recess upon being releasably coupled to the abutment. The compression has a component substantially perpendicular to the symmetry axis.

Abstract: A device including a yoke, a counterweight apparatus and a flexible apparatus connecting the yoke to the counterweight apparatus and enabling the counterweight apparatus to move relative to the yoke, wherein the flexible apparatus is attached to the counterweight apparatus via a radial connection, and the device is an electromagnetic transducer.

Abstract: An apparatus includes an electromagnetic transducer configured to generate first vibrations having a first range of vibrational frequencies and to transmit the first vibrations along a transmission path from the electromagnetic transducer to a bone fixture affixed to a recipient's body. The apparatus further includes at least one piezoelectric transducer positioned along the transmission path.

Abstract: An apparatus includes a bobbin, at least one counterweight assembly, and at least one spring. The bobbin includes at least one core and at least one electrically conductive coil wound around at least a portion of the bobbin. The at least one counterweight assembly is configured to move in response to magnetic fields generated by the bobbin. The at least one spring is in mechanical communication with the at least one counterweight assembly. The at least one spring is configured to resiliently deform in response to movement of the at least one counterweight assembly. The at least one spring includes at least one piezoelectric element.

Abstract: A prosthesis including a device configured to deliver a therapeutic substance from outside a cochlea to inside the cochlea and configured to evoke a mechanically based hearing percept. In an exemplary embodiment, the device is configured to drive fluid into and out of the cochlea, thereby evoking a hearing percept.

Abstract: A prosthesis including a device configured to deliver a therapeutic substance from outside a cochlea to inside the cochlea and configured to evoke a mechanically based hearing percept. In an exemplary embodiment, the device is configured to drive fluid into and out of the cochlea, thereby evoking a hearing percept.

Abstract: An electromagnetic transducer, including at least one active air gap, wherein the active air gap is a non-axial air gap. In some instances, the electromagnetic transducer of claim further comprises a coil configured to generate a dynamic magnetic field, the coil having a longitudinal axis, wherein the active air gap extends in the direction of the longitudinal axis of the coil.

Abstract: A medical device prosthesis, including a housing and a piezoelectric transducer including a piezoelectric component, wherein the piezoelectric transducer is supported in the housing via at least one spring. In some embodiments, the medical device prosthesis is a bone conduction device, such as a transcutaneous passive or active bone conduction device.

Abstract: Examples disclosed herein are relevant to improvements in connectors for bone conduction devices, particularly bone conduction auditory prostheses, to connect to an abutment. Disclosed examples include a connector assembly having a vibration conductor separate from a coupling. Examples can further include an adapter to modify a length of the connector assembly. Examples can further provide an angled connector assembly to modify an angle at which the connector assembly connects to an abutment.

Abstract: A medical device prosthesis, including a housing and a piezoelectric transducer including a piezoelectric component, wherein the piezoelectric transducer is supported in the housing via at least one spring. In some embodiments, the medical device prosthesis is a bone conduction device, such as a transcutaneous passive or active bone conduction device.

Abstract: A device, including an electromagnetic transducer including a bobbin having a space therein, a connection apparatus in fixed relationship to the bobbin configured to transfer vibrational energy directly or indirectly at least one of to or from the electromagnetic transducer, and a passage from the space to the connection apparatus.

Abstract: An electromagnetic transducer, including a plurality of static flux paths, and a plurality of dynamic flux paths, wherein at least two of the plurality of static flux paths lie in respective first planes parallel and offset from one another, at least two of the plurality of dynamic flux paths lie in respective second planes parallel and offset from one another, and the first planes and the second planes are arrayed so as to establish at least a general tic-tac-toe lattice.

Abstract: An electromagnetic transducer, including a plurality of static flux paths, and a plurality of dynamic flux paths, wherein at least two of the plurality of static flux paths lie in respective first planes parallel and offset from one another, at least two of the plurality of dynamic flux paths lie in respective second planes parallel and offset from one another, and the first planes and the second planes are arrayed so as to establish at least a general tic-tac-toe lattice.

Abstract: A component of a bone conduction device, such as a passive transcutaneous bone conduction device or an active transcutaneous bone conduction device, or a percutaneous bone conduction device, used to evoke a hearing percept comprising a housing and a bender apparatus located in the housing, wherein the bender apparatus is a device of a piezoelectric bender.

Abstract: A device, including an electromagnetic transducer including a bobbin having a space therein, a connection apparatus in fixed relationship to the bobbin configured to transfer vibrational energy directly or indirectly at least one of to or from the electromagnetic transducer, and a passage from the space to the connection apparatus.

Abstract: A transcutaneous bone conduction device includes magnets secured to housing of an external portion of the device. The magnets can be disposed within the housing, or secured to an external surface thereof. The magnets are disposed about a shaft that delivers vibrational stimuli to a recipient so as to evenly deliver the stimuli.

Abstract: A device including a transducer and a connection assembly in fixed relationship with the transducer, configured to transfer vibrational energy directly or indirectly, at least one of to or from, the transducer, wherein a first component of the connection assembly is actively held by positive retention to the device by a second component of the connection assembly.

Abstract: A prosthesis including a device configured to deliver a therapeutic substance from outside a cochlea to inside the cochlea and configured to evoke a mechanically based hearing percept. In an exemplary embodiment, the device is configured to drive fluid into and out of the cochlea, thereby evoking a hearing percept.