Surgical implant with guiding rail
First Claim
1. A prosthetic intervertebral spacer comprising a body having a front end, a rear end, anterior and posterior sides each extending between the front and rear ends, and top and bottom surfaces each connecting the anterior and posterior sides and extending between the front and rear ends, at least one of the top and bottom surfaces including a plurality of teeth, each of the plurality of teeth having a flat uppermost surface and a base, the plurality of teeth touching one another at their respective bases, wherein the flat uppermost surface of at least one of the plurality of teeth is square-shaped;
- and an interface extending rearwardly away from at least a rear-facing surface at the rear end of the body, the interface extending along an arcuate path and being connected to the body along an arcuate periphery thereof from the rear-facing surface to a posterior-facing surface of the body, wherein the interface is a rail including a neck portion connected to the body and a lip portion connected to the neck portion, the lip portion being wider than the neck portion in a direction extending between the top and bottom surfaces.
5 Assignments
0 Petitions
Accused Products
Abstract
A prosthetic intervertebral spacer is disclosed. The spacer preferably includes a body and an interface extending away from the body for use during implantation of the spacer. Methods of implanting the spacer and tools used during such procedure are also disclosed.
154 Citations
19 Claims
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1. A prosthetic intervertebral spacer comprising a body having a front end, a rear end, anterior and posterior sides each extending between the front and rear ends, and top and bottom surfaces each connecting the anterior and posterior sides and extending between the front and rear ends, at least one of the top and bottom surfaces including a plurality of teeth, each of the plurality of teeth having a flat uppermost surface and a base, the plurality of teeth touching one another at their respective bases, wherein the flat uppermost surface of at least one of the plurality of teeth is square-shaped;
- and an interface extending rearwardly away from at least a rear-facing surface at the rear end of the body, the interface extending along an arcuate path and being connected to the body along an arcuate periphery thereof from the rear-facing surface to a posterior-facing surface of the body, wherein the interface is a rail including a neck portion connected to the body and a lip portion connected to the neck portion, the lip portion being wider than the neck portion in a direction extending between the top and bottom surfaces.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A prosthetic intervertebral spacer comprising:
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a body having a front end, a rear end, anterior and posterior sides each extending between the front and rear ends, and top and bottom surfaces each connecting the anterior and posterior sides and extending between the front and rear ends, at least one of the top and bottom surfaces including a plurality of teeth, each of the plurality of teeth having a flat uppermost surface and a base, the plurality of teeth touching one another at their respective bases; and an interface extending away from the body, the interface extending along an arcuate path and being connected to the body along an arcuate periphery thereof from a rear-facing surface to the a posterior-facing surface of the body, wherein the interface is a rail including a neck portion connected to the body and a lip portion connected to the neck portion, the lip portion being wider than the neck portion in a direction extending between the top and bottom surfaces, wherein the rear end is curved, and curves of the rear end and at least a portion of the arcuate path lie on concentric circles.
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16. A prosthetic intervertebral spacer comprising:
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a body defined by an outer wall having a convexly curved and tapered front end, a convexly curved rear end, a convex anterior side and a concave posterior side each extending between the front and rear ends, and top and bottom surfaces each connecting the anterior and posterior sides and extending between the front and rear ends, the anterior side of the body defining fenestrations for allowing bone growth, at least one of the top and bottom surfaces including a plurality of teeth, each of the plurality of teeth having a flat uppermost surface and a base, the plurality of teeth touching one another at their respective bases; an interface protruding from the outer wall, the interface extending rearwardly away from at least a rear-facing surface at the rear end of the body, the interface extending along an arcuate path and being connected to the body along an arcuate periphery thereof from the rear-facing surface to a posterior-facing surface of the body, wherein the interface is a rail including a neck portion connected to the body and a lip portion connected to the neck portion, the lip portion having a first dimension greater than a second dimension of the neck portion, the first and second dimensions extending between the top and bottom surfaces; and a plurality of radiographic markers disposed within the body, wherein one of the plurality of radiographic markers is disposed at the front end of the spacer and offset so that it is nearer to the posterior side than to the anterior side. - View Dependent Claims (17, 18, 19)
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Specification