Transforaminal prosthetic spinal disc apparatus
First Claim
1. A surgical method comprising:
- inserting an implant via a transforaminal approach into a patient, wherein the implant comprises;
a first endplate having a first surface configured to substantially engage a first vertebral body, the first endplate including a first keel; and
a second endplate having a second surface configured to substantially engage with a second vertebral body, the second endplate including a second keel,wherein the second endplate includes a first window and an opposing second windowwherein a portion of the first endplate directly contacts a surface of the second endplate and is retained within the first and second windows of the second endplate.
1 Assignment
0 Petitions
Accused Products
Abstract
An intervertebral prosthetic implant having a first endplate having a first surface configured to substantially engage with a first vertebral body and a second surface having an extension with a concave contact surface, the concave contact surface being spaced apart from the second surface. A second endplate is provided with a first surface configured to substantially engage with a second vertebral body and a second surface comprising a convex contact surface, and the second endplate having a securing element positioned along and above the second surface defining a first and second window on opposing sides of the second surface. The securing element extends along the width and length of the lower endplate and configured with an access hole. An extension portion extends from the first surface of the first endplate through the access hole of the securing element and contacts the second surface of the second endplate.
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Citations
20 Claims
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1. A surgical method comprising:
inserting an implant via a transforaminal approach into a patient, wherein the implant comprises; a first endplate having a first surface configured to substantially engage a first vertebral body, the first endplate including a first keel; and a second endplate having a second surface configured to substantially engage with a second vertebral body, the second endplate including a second keel, wherein the second endplate includes a first window and an opposing second window wherein a portion of the first endplate directly contacts a surface of the second endplate and is retained within the first and second windows of the second endplate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A surgical method comprising:
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removing a portion of a facet joint of a patient; and inserting an implant into the patient, wherein the implant comprises; a first endplate having a first surface configured to substantially engage a first vertebral body, the first endplate including a first keel; and a second endplate having a second surface configured to substantially engage with a second vertebral body, the second endplate including a second keel, wherein the second endplate includes a first window and an opposing second window wherein a portion of the first endplate directly contacts a surface of the second endplate and is retained within the first and second windows of the second endplate. - View Dependent Claims (13, 14, 15, 16)
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17. A surgical method comprising:
inserting an implant into an disc space in a patient, wherein the implant comprises; a first endplate having a first surface configured to substantially engage a first vertebral body, the first endplate including a first keel; and a second endplate having a second surface configured to substantially engage with a second vertebral body, the second endplate including a second keel, wherein the second endplate includes a first window and an opposing second window, wherein a portion of the first endplate directly contacts a surface of the second endplate and is retained within the first and second windows of the second endplate. - View Dependent Claims (18, 19, 20)
Specification