Open LATARJET for correction of anterior-inferior glenoid bone loss

Abstract

Embodiments of the present disclosure are directed to instrumentation that facilitate coracoid-glenoid fixation in Latarjet procedures. For example, a single instrument, a coracoid resection tool, may be provided / utilized to prepare a coracoid bone graft for size, flatness, and hole drilling. A glenoid drill guide may further be provided / utilized that uses sized offsets for placement of the coracoid graft flush with the glenoid. Further embodiments of the disclosure are directed to corresponding methods that employ this instrumentation. For example, a surgeon may employs the coracoid resection tool as a guide to plane the inferior coracoid surface that will serve as the coracoid graft surface. The coracoid resection tool may further guide the placement of coracoid holes along the length of the coracoid and orient the holes approximately perpendicular to the planed coracoid graft surface. For example a proximal coracoid hole may be positioned towards the proximal end (i.e., the cut end) of the resected coracoid while a distal coracoid hole may be positioned towards the distal end (i.e., the tip) of the resected coracoid.

Description

[0001] Cross References to Related Applications

[0002] This application is related to, and claims priority from, U.S. Provisional Application Serial No. 62 / 131,099, filed March 10, 2015, and also titled "OPEN LATARJET FOR CORRECTION OF ANTERIOR-INFERIORGLENOID BONE LOSS," the contents of which are hereby incorporated herein in its entirety. technical field

[0003] The present application relates to surgical systems and methods, and more particularly, to improved devices, systems and methods for performing open Latarjet-type surgical procedures, eg, to correct glenoid bone loss. The Latarjet procedure generally may involve the removal and transfer of a segment of the coracoid process and its attached muscles to the anterior portion of the glenoid in order to prevent further dislocation of the shoulder joint. In particular, the diverted segment of the coracoid process advantageously acts as a bone block that physically prevents the shoulder from pinching out of the socket. ...

Examples

Embodiment Construction

[0042] As noted above, the present application relates to improved devices, systems and methods for performing open Latarjet-type surgery, eg, to correct glenoid bone loss. In an exemplary embodiment of a Latarjet-type surgery, the coracoid may be secured to the glenoid, typically by screws. In particular, the surgeon may drill two or more holes into each of the coracoid and glenoid, and align the coracoid and glenoid holes. Subsequently, screws may be positioned within the bone holes for fixation. Notably, in such procedures, the likelihood of successful bony fusion may depend on the orientation and alignment of the coracoid and glenoid holes used to position the coracoid graft surface on the glenoid graft surface. For example, misalignment of the coracoid and glenoid foramina may result in poor contact between the glenoid and coracoid graft surfaces or insufficient contact pressure at the graft interface, reducing the likelihood of successful bony fusion. Accordingly, impr...

[0001] Cross References to Related Applications

[0002] This application is related to, and claims priority from, U.S. Provisional Application Serial No. 62 / 131,099, filed March 10, 2015, and also titled "OPEN LATARJET FOR CORRECTION OF ANTERIOR-INFERIORGLENOID BONE LOSS," the contents of which are hereby incorporated herein in its entirety. technical field

[0003] The present application relates to surgical systems and methods, and more particularly, to improved devices, systems and methods for performing open Latarjet-type surgical procedures, eg, to correct glenoid bone loss. The Latarjet procedure generally may involve the removal and transfer of a segment of the coracoid process and its attached muscles to the anterior portion of the glenoid in order to prevent further dislocation of the shoulder joint. In particular, the diverted segment of the coracoid process advantageously acts as a bone block that physically prevents the shoulder from pinching out of the socket. ...

Examples

Embodiment Construction

[0042] As noted above, the present application relates to improved devices, systems and methods for performing open Latarjet-type surgery, eg, to correct glenoid bone loss. In an exemplary embodiment of a Latarjet-type surgery, the coracoid may be secured to the glenoid, typically by screws. In particular, the surgeon may drill two or more holes into each of the coracoid and glenoid, and align the coracoid and glenoid holes. Subsequently, screws may be positioned within the bone holes for fixation. Notably, in such procedures, the likelihood of successful bony fusion may depend on the orientation and alignment of the coracoid and glenoid holes used to position the coracoid graft surface on the glenoid graft surface. For example, misalignment of the coracoid and glenoid foramina may result in poor contact between the glenoid and coracoid graft surfaces or insufficient contact pressure at the graft interface, reducing the likelihood of successful bony fusion. Accordingly, impr...

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