UltraGuideCTR™, formerly known as the SX-One MicroKnife. UltraGuideCTR is the same device with the same intended use, indications for use and clinical data regarding the safety and effectiveness of the device.

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2. Atroshi I, et al. Severe carpal tunnel syndrome potentially needing surgical treatment in a general population. J Hand Surg. 2003;28(4):639-44.

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7. Sonex Health Market Research “Why not Undergo CTR?”. Data on file.

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14. Chappell CD, et al. Ultrasound (US) changes in the median nerve cross-sectional area after microinvasive US-guided carpal tunnel release. J Ultrasound Med. 2020;39(4):693-702.

15. Nakamichi K, et al. Ultrasonographically assisted carpal tunnel release. J Hand Surg Am. 1997;22(5):853-62.

16. Colberg RE, et al. Ultrasound-guided microinvasive trigger finger release technique combined with three tests to confirm a complete release. Am J Phys Med Rehabil. 2020;99(12),1150-6.

17. Colberg RE, et al. Ultrasound-guided microinvasive trigger finger release technique using an 18-gauge needle with a blade at the tip: A prospective study. PM R. 2021 doi:10.1002/pmrj.12665

18. Nikolaou VS, et al. Comparative clinical study of ultrasound-guided A1 pulley release vs open surgical intervention in the treatment of trigger finger. World J Orthop. 2017;8(2):163-9.

19. Sears ED, et al. National utilization patterns of steroid injection and operative intervention for treatment of common hand conditions. J Hand Surg Am. 2016;41(3):367-73.

20. LexisNexis Market View. Data on file at Sonex Health. November 2020.