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Impacted orthopedic support implant

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Title: Impacted orthopedic support implant.
Abstract: This invention relates to a porous bone implant (10, 110, and 210), a method of manufacturing the implant and a method of orthopedic treatment. The mesh implant can be manufactured using extrusion techniques and a variety of cutting and machining processes to provide the implant with the desired structural features and in the required dimensions to be matingly received within the bone defect or cavity. The implant can be used to strengthen bone structures and support bone tissue adjacent to a defect of cavity. Thus, the implant can be used to provide improved treatment of patients having bone defects or diseases with decreased postoperative pain and a shorter recovery time. ...


USPTO Applicaton #: #20090299474 - Class: 623 1611 (USPTO) - 12/03/09 - Class 623 
Prosthesis (i.e., Artificial Body Members), Parts Thereof, Or Aids And Accessories Therefor > Implantable Prosthesis >Bone

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The Patent Description & Claims data below is from USPTO Patent Application 20090299474, Impacted orthopedic support implant.

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CROSS-REFERENCE TO RELATED APPLICATION

The present application claims the benefit of U.S. Provisional Application Ser. No. 60/160,506 filed on Oct. 20, 1999, and entitled “Impacted Orthopedic Bone Implant,” which is hereby incorporated by reference in its entirety.

BACKGROUND OF THE INVENTION

The present invention concerns a device for implantation into bone tissues, a method of manufacturing such a device, and a method of orthopedic treatment. More specifically, this invention is directed to an orthopedic mesh implant for implantation into bone cavities to support bone tissue adjacent to the cavity. The invention is also specifically directed to methods of manufacturing a mesh implant and to methods for treating patients using the mesh implant.

The repair and reconstruction of bone structures having a defect, such as a cavity, crack or chip, can be accomplished by directly fixing bone structures adjacent a defect to each other, such as by plate(s) and screw(s). In other instances an osteogenic material, i.e. a bone growth inducing material, can be introduced into the bone defect to promote bone growth to fuse the bone structures together. Implantation of bone growth material can be particularly advantageous where the bone includes a cavity because a portion of the bone structure or adjoining structure is missing. Cavities can be formed naturally, by trauma, or because of intentional harvesting of bone grafts for implantation into other bone structures.

While implants are known that may provide stability between adjacent bony structures, the effectiveness, as well as the cost of manufacture and availability of such implants, limits the advantages that may be realized.

In light of the above-described problems, there is a continuing need for advancements in devices and methods relating to orthopedic treatment of bone defects and diseases to reduce the treatment risks and enhance the patency bone fusion devices.

The present invention is such an advancement and provides a wide variety of benefits and advantages.

SUMMARY

OF THE INVENTION

For the purposes of promoting an understanding of the principles of the invention, reference will now be made to the embodiments illustrated herein and specific language will be used to describe the same. It will nevertheless be understood that no limitation of the scope of the invention is thereby intended. Any alterations and further modifications in the described processes, systems or devices, and any further applications of the principles of the invention as described herein, are contemplated as would normally occur to one skilled in the art to which the invention relates.

According to one form of the invention, there is provided an implant for insertion into bone structures. The implant comprises a hollow body having an interior chamber, a first and second end for bearing against bone tissue and each end having an opening providing communication with the interior chamber. The hollow body is formed to include one or more mesh sides having a grid work of openings into the interior chamber. Thus, the invention provides a device that is implantable into bone structures and provides a depot for deposition of bone growth inducing material to promote bone growth and to provide support for weak bone structures.

In another form, the invention provides an implant for supporting weak bone tissue. The implant comprises a mesh body having an interior chamber and a passageway therethrough and defining a longitudinal axis substantially parallel to the passageway; the body includes a first end and a second end, each end positioned substantially transverse to the longitudinal axis and each end having a supporting portion positioned about the perimeter of the respective ends. The mesh body also includes a central portion having a longitudinal wall extending from the first end to the second end and having formed therein a grid work of openings providing communication into the interior chamber. In preferred embodiments, the supporting portions include an uninterrupted support band positioned about the periphery of each of the first and second end. In other preferred embodiments, the implant includes at least one tool-engaging portion provided in the longitudinal wall. In still other preferred embodiments, the implant is formed as a one-piece unitary body.

It is one object of the present invention to provide an orthopedic bone support implant to facilitate reconstruction and/or repair of bone structures.

Further objects, features, aspects, forms, advantages and benefits shall become apparent from the description and drawings contained herein.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective view of one embodiment of an implant according to the present invention.

FIG. 2 is a top plan view in partial section of the implant depicted in FIG. 1.

FIG. 3 is an end elevation view in partial section of the implant depicted in FIG. 1.

FIG. 4A is a side elevation view in partial section of the implant depicted in FIG. 1.

FIG. 4B is a side elevation view in partial section of an implant similar in configuration to the implant depicted in FIG. 1, but having a shorter length.

FIG. 5 is a perspective view of one embodiment of a cylindrical implant according to the present invention.

FIG. 6 is an end elevation view in partial section of the implant depicted in FIG. 5.

FIG. 7 is side elevation view in partial section of the implant depicted in FIG. 5.



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Previous Patent Application:
Bone graft substitute
Next Patent Application:
Method and apparatus for implantation between two vertebral bodies
Industry Class:
Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
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stats Patent Info
Application #
US 20090299474 A1
Publish Date
12/03/2009
Document #
12454498
File Date
05/19/2009
USPTO Class
623 1611
Other USPTO Classes
International Class
61F2/28
Drawings
7


Impacted
Postop
Postoperative


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