摘要:
The invention is a modular interbody fusion device for fusing adjacent spinal vertebrae that is adapted to be implanted in a prepared interbody space including a first modular segment having a width including a first rail extending at least partially along one side of the width and beyond a periphery of a body portion of the first modular segment, a second modular segment having a width and slidably connected to the first rail on one side of the width and having a second rail extending at least partially along another side of the width and beyond a periphery of a body portion of the second modular segment, a third modular segment having a width and slidably connected to the second rail on one side of the width and wherein the device has an expanded position in which the second and third modular segments are extended along the first and second rails and positioned in a generally end to end configuration spaced apart by the rails prior to implantation and an implanted position in which the modular segments are positioned in a generally side by side configuration that defines a unitary body that mimics the planar shape of the vertebra such that the device contacts and supports the adjacent vertebra.
摘要:
The invention includes an interpositional arthrosplasty implant adapted to be retained in position in apposition to ajoint surface, at least in part, by surrounding healthy tissue. In some embodiments the implant comprises a knee implant. The implant can include one or more structural features adapted to be fixedly positioned within and/or in apposition to the natural meniscus.
摘要:
A system for repairing an intervertebral disc by delivering and curing a biomaterial in situ within the disc. The system includes both a device, having an insertable balloon and related lumen, controls and adapters, as well as an in situ curable biomaterial (and related biomaterial delivery means). The system can allow the doctor to determine a suitable endpoint for biomaterial delivery, by controlling distraction and/or biomaterial delivery pressure, and in turn, to deliver a desired quantity of biomaterial to the balloon in order to achieve improved polymer cure and implant characteristics. Also provided is a related method for repairing an intervertebral disc by using such a system to deliver and cure the biomaterial in situ. The system can be used to implant a prosthetic total disc, or a prosthetic disc nucleus in a manner that leaves the surrounding disc tissue substantially intact.
摘要:
A method and apparatus for repairing a damaged intervertebral disc nucleus in a minimally invasive manner utilizes a modular disc prosthesis. The modular disc prosthesis preferably comprises at least three modular segments. In one embodiment, each modular segment includes an inner core and an outer shell. The modular segments are selectively interlockable in situ with each other. The modular segments form an implanted unitary device that closely mimics the geometry of the disc nucleus cavity.
摘要:
A method and apparatus for repairing a damaged intervertebral disc nucleus in a minimally invasive manner utilizes a modular disc prosthesis. The modular disc prosthesis preferably comprises at least three modular segments. In one embodiment, each modular segment includes an inner core and an outer shell. The modular segments are selectively interlockable in situ with each other. The modular segments form an implanted unitary device that closely mimics the geometry of the disc nucleus cavity.
摘要:
A method of treating a diseased or damaged intervertebral disc having a nucleus pulposus and an annulus. The method includes the steps of accessing and preparing the intervertebral disc for receipt of the biomaterial by removing at least a portion of the nucleus pulposus to create a nuclear cavity. A quantity of the curable biomaterial is delivered under pressure to the nuclear cavity. The delivered biomaterial is at least partially cured in such a manner to retain it in the nuclear cavity. The at least partially cured biomaterial is contoured to achieve a desired conformation approximating that of the nuclear cavity.
摘要:
A method and system for the creation or modification of the wear surface of orthopedic joints, involving the preparation and use of one or more partially or fully preformed components adapted for insertion and placement into the body and at the joint site. The system includes a method and related components and/or devices in the form of a kit that can be used to provide or perform some or all of the steps of: a) preparing a joint to receive an implant, b) determining an appropriate implant size for a particular joint, c) determining an appropriate implant thickness, d) inserting the implant into the joint, and/or e) securing the implant within the joint to a desired extent. One or more of the various components and devices, including optionally one or more implants themselves, can be provided or packaged separately or in varying desired combinations and subcombinations to provide a kit of this invention. In turn, a kit can include, or be used in combination with, one or more corresponding devices or components that will already exist in the surgical suite, and that can optionally be sterilized for re-use in subsequent procedures. The selection and use of components, devices and/or implants within a kit of this invention is facilitated by the coordination of various features in the manner described, including appearance, size and configuration.
摘要:
A polymer intravascular stent that is resorable over a period of time containing a drug, which is delivered to the vascular wall during the absorption of the polymer material. A gradient of drug concentration may be established in the polymer.
摘要:
The present invention is an intervertebral disc replacement for replacing a disc between a first vertebra and a second vertebra including an upper containment structure adapted to contact a lower surface of a first vertebra, a lower containment structure adapted to contact an upper surface of a second vertebra, where the upper and lower containment structures are adapted to centrally contain a deformable support body positioned between the upper and lower containment structures.
摘要:
A system for the creation or modification of an orthopedic joint within a mammalian body is disclosed. The system includes an implant (122, 132, 232, 332, 432) that provides a major surface adapted to be positioned against a metatarsal bone and an end (136, 236, 336, 436) adapted to be retained within a phalange.