Delivering advanced chiropractic technology and global clinical support.
Sigma Instruments is a medical technology company specializing in advanced computerized assessment and treatment systems for musculoskeletal care. Based in Pittsburgh, Pennsylvania, the company designs and manufactures patented instrument-based technologies used by healthcare professionals around the world.
Sigma’s flagship systems combine precise sensors, computer-guided analysis, and controlled percussive impulses to help clinicians evaluate joint motion and deliver targeted low-force treatments.
Used in clinics across more than twenty countries, Sigma’s technology supports objective analysis and enables practitioners to deliver consistent, data-guided care for patients experiencing spinal and musculoskeletal dysfunction.
For over 30 years, Sigma Instruments has manufactured leading chiropractic medical devices, enabling doctors and patients with advanced technology and world-class services.
President
Sigma Instruments, Inc
Mr. John Crunick is a leader and the founder of Sigma Instruments, Inc., an industry leader in computerized low-energy resonance technology. With his expert guidance, Sigma has expanded its reach to over countries and developed groundbreaking medical devices like the rRSW™ and rFAP™, technologies that have been integral to the treatment of over 20 million patients annually, with an impeccable record of safety and no reported adverse events.
A dynamic force in research and development, product innovation, and global expansion, John has been at the forefront of Sigma’s rise as a leader in non-invasive physical medicine solutions. His career spans decades of executive management and engineering, enabling Sigma to revolutionize the healthcare industry with cutting-edge technologies.
Since the 2022 acquisition by KD Yamasaki, John has played a pivotal role in merging Sigma's groundbreaking technologies with KD Yamasaki’s vision, contributing to the development of next-generation therapeutic systems that integrate AI and precision diagnostics. John's ongoing leadership continues to shape the future of healthcare, advancing the integration of technology and medical innovation on a global scale.
We proudly manufacture world-class chiropractic medical devices with cutting-edge research and development.
Sigma provides global chiropractic education and training programs for healthcare professionals.
Our strategic marketing platform helps chiropractors grow their practice and patient outreach.
Established
Annual Patient Visits
Countries
Sigma Instruments technology is trusted by practitioners worldwide, serving clinics across more than 20 countries with advanced computer-guided spinal treatment systems.
Hello 👋
How can we help you today?