摘要:
A prosthetic device according to which a time-dependent degree of resistance is provided to at least one predetermined type of relative directional motion between first and second components of the device.
摘要:
An intervertebral prosthetic disc is disclosed and can be installed within an intervertebral space between a superior vertebra and an inferior vertebra. The intervertebral prosthetic disc can include an inferior component having a depression formed therein and a superior component having a projection extending therefrom. The projection can be configured to movably engage the depression and allow relative motion between the inferior component and the superior component. Further, the projection can include a superior wear resistant layer configured to engage the depression.
摘要:
A perianal support device is provided that is configured to inhibit the formation and/or progression of tissue damage in the perianal region of the body. A method is provided to apply the perianal support device to patients during childbirth to inhibit the formation and/or progression of tissue damage in the perianal region of the body.
摘要:
A perianal support device is provided that is configured to inhibit the formation and/or progression of tissue damage in the perianal region of the body. A method is provided to apply the perianal support device to patients during childbirth to inhibit the formation and/or progression of tissue damage in the perianal region of the body.
摘要:
The invention provides devices and related methods and composition useful for diagnosis and monitoring the pain generator(s) of axial pain with or without radiculopathy and methods for screening test compounds potentially useful for treating axial pain with or without radiculopathy. Alternatively, degenerated discs can be monitored and treated before occurrence of a pathological pain condition. Pain markers and markers of degenerating disc include markers of neuronal, vascular, immune and matrix elements.
摘要:
Devices and methods for spinal stabilization include first and second anchor assemblies engageable to respective ones of first and second vertebrae and a connecting element engageable to the first and second anchor assemblies. The connecting element includes opposite first and second end members and a bumper assembly between the end members that flexibly connects the end members so the connecting element can provide dynamic stabilization of the spinal column when engaged to the anchor assemblies.
摘要:
A system for controlling a nucleus pulposus augmentation procedure for an intervertebral disc comprises a powered actuation device and a control device for controlling an operating parameter of the actuation device. The system further comprises a space creating instrument including a spacing portion for forming a space within the nucleus pulposus of the intervertebral disc and a delivery instrument for delivering a material to the space. The space creating instrument is activated by the powered actuation device to expand the spacing portion with the material to create the space within the nucleus pulposus of the intervertebral disc.
摘要:
A device includes a first reservoir configured to include a degrading agent, a first valve in fluid communication with the first reservoir, and a reservoir driver configured to manipulate the first reservoir to effect a first reservoir condition based on a first tissue condition. The first valve is configured to open in response to the first reservoir condition associated with the first reservoir.
摘要:
A system for implanting an interspinous process spacer comprises a deformation instrument adapted to engage a pair of opposing arms of the interspinous process spacer and operable to move the opposing arms relative to one another to deform the interspinous process spacer from an uncollapsed state to a collapsed state. The system further comprises a cannula adapted to receive the collapsed interspinous process spacer from the deformation instrument and direct the interspinous process spacer to an area between a pair of spinous processes.
摘要:
A surgical procedure and device according to which an expandable member is inserted between anatomical structures, and a force is applied to the member in a first plane to cause expansion of the member in a second plane and into engagement with the structures.