EXHIBIT 10.23

Addendum
to the
Spinal Fusion Purchase Agreement
between
Texas Health Resources
and
CPM Medical

June 2, 2017

The Agreement to which this Addendum is attached and incorporated and is executed by and between CPM Medical ("Vendor"), and Texas Health Resources with its principal place of business at 612 East Lamar Blvd., Suite 1100, Arlington, Texas 76011 ("Customer"), dated as of the date hereof (the "Agreement"). In the event of a conflict between this Addendum and the Agreement, this Addendum shall control. The parties hereby agree as follows:

1.The companies agree to extend the existing Spinal Fusion Purchase Agreement between the parties for the period of July 1, 2017 through June 30, 2019.

2.All other Terms and Conditions of the agreement shall remain in effect.

AGREED: CPM Medical
By:  ______________________________________	Date:	________________________
Name:  ____________________________________
Title:  _____________________________________
AGREED: Texas Health Resources
By:  _______________________________________	Date:	________________________
Shaun Clinton
Senior Vice President
Texas Health Resources

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EXHIBIT 10.23

Appendix
Texas Health Resources
Entity Listing

HOSPITALS

Texas Health Arlington Memorial Hospital 800 W. Randol Mill Rd Arlington, TX 76012	Texas Health Harris Methodist Hospital Southwest Fort Worth 6100 Harris Parkway Fort Worth, TX 76132	Texas Health Presbyterian Hospital Kaufman 850 Highway 243 West Kaufman, TX 75142
Texas Health Harris Methodist Hospital Cleburne 201 Walls Drive Cleburne, TX 76031	Texas Health Presbyterian Hospital Dallas 8200 Walnut Hill Ln. Dallas, TX 75231	Texas Health Presbyterian Hospital Plano 6200 W. Parker Blvd Plano, TX 75093
Texas Health Harris Methodist Hospital Fort Worth 1301 Pennsylvania Avenue Fort Worth, TX 76104	Texas Health Harris Methodist Hospital Stephenville 411 N. Belknap Stephenville, TX 76401	Texas Health Specialty Hospital Fort Worth 1301 Pennsylvania Ave. Fort Worth, TX 76104
Texas Health Harris Methodist Hospital Azle 108 Denver Trail Azle, TX 76020	Texas Health Presbyterian Hospital Allen 1105 Central Expwy North Allen, TX 75013	Texas Health Harris Methodist Hospital H.E.B 1600 Hospital Parkway Bedford, TX 76021.
Texas Health Presbyterian Hospital Denton 3000 N. Interstate 35 Denton, TX 76201	Texas Health Harris Methodist Hospital Alliance 10864 Texas Health Trail Fort Worth, TX 76244	CORPORATE OFFICE Texas Health Resources 612 E. Lamar Boulevard Arlington, TX 76011
THR AFFILIATE HOSPITALS - THPR
Physicians Medical Center, LLC d/b/a Texas Health Center for Diagnostics & Surgery 6020 West Parker Road Plano, Texas 75093	Rockwall Regional Hospital, LLC d/b/a Texas Health Presbyterian Hospital Rockwall 3150 Horizon Road Rockwall, Texas 75032	Southlake Specialty Hospital, LLC d/b/a Texas Health Harris Methodist Hospital Southlake 1545 E. Southlake Boulevard Southlake, Texas 76092
Flower Mound Hospital Partners, LLC d/b/a Texas Health Presbyterian Hospital Flower Mound 4400 Long Prairie Road Flower Mound, Texas 75028

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EXHIBIT 10.23

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