[News]Sung-Min Rhee, CEO of Itphy, “AI-based joint function analysis device 'RingDoc Motion' adds IT innovation to musculoskeletal disorder rehabilitation!”

2026-01-15

Kyung Hee University Hospital Orthopedics Research Representative Image




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Sung-Min Rhee, CEO of Itphy (right), being interviewed by Jihoon Choi, Editor-in-Chief of AVING News. │Photo by AVING News

Digital healthcare startup Itphy Co., Ltd. (CEO Sung-Min Rhee), supported by Kyung Hee University, participated in CES 2026 at the ‘SBA Seoul Pavilion’.

Itphy, which is bringing IT innovation to the rehabilitation of musculoskeletal disorders, aims to create a healthy digital healthcare market and provide more opportunities for recovery to patients with musculoskeletal issues.

The company's flagship service, the musculoskeletal solution ‘RingDoc’, is a customized exercise program that helps patients recover quickly and maintain sustainable health management. Regarding this, Itphy emphasized, "Through 'RingDoc', we aim to connect patients and doctors in a single ring and build a digital healthcare system that provides life-cycle monitoring, including the prevention and management of musculoskeletal disorders." 

Participating in CES for the second consecutive year following CES 2025, Itphy primarily showcased its AI-based joint function analysis device, ‘RingDoc Motion’, at this exhibition.

Itphy's core technologies include △Non-contact 3D body capture △Diagnostic similarity analysis AI △AI exercise curation. First, it enhances joint measurement precision based on an RGB-D camera to secure human skeletal structure coordinates optimized for medical data.

Furthermore, the company possesses diagnostic similarity inference technology that automatically recommends the most similar diagnosis through AI-based patient data analysis. Its AI curation system, which improves accuracy through customized exercise recommendations based on patient big data, medical staff feedback, and iterative learning, is also a strength. In addition, an LLM-based agent system can automatically respond to patients' natural language questions, check their status, and predict diagnoses.

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Sung-Min Rhee, CEO of Itphy, who we met at the site, explained, “Our company provides personalized digital healthcare for patients with musculoskeletal disorders. In particular, 'RingDoc Motion', which we are actively presenting at this CES, automatically measures patients' various joint angles with just a single sensor, without any wearable devices.”

Notably, CEO Sung-Min Rhee also currently serves as a professor at Kyung Hee University College of Medicine and an adjunct professor in the Department of Digital Health at Kyung Hee University Medical Center. Regarding this, CEO Rhee stated, “As an orthopedic surgeon who directly performs treatments and surgeries, patients are analyzed through 'RingDoc Motion' while waiting to see me, and based on the results, I prescribe personalized exercises for each patient. Currently, there are over 1,000 exercise programs prepared for various joints, including the shoulder, knee, spine, wrist, ankle, and neck.”

Meanwhile, ‘RingDoc Motion’, launched last year, is currently being used in over 30 hospitals in Korea, and Itphy plans to expand into the global market based on these stable domestic references.

Furthermore, CEO Sung-Min Rhee emphasized the responsibility for protecting patient data. Currently, Itphy systematically manages patients' health data and, with their consent, shares it with medical professionals and hospitals to provide continuous service. CEO Rhee expressed his ambition, “Since Itphy is an AI healthcare company, we have a profound sense of responsibility to protect our patients' data safely. Moving forward, we will continue to be a company that upholds this responsibility while managing musculoskeletal disorders through AI.”

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Sung-Min Rhee, CEO of Itphy, being interviewed by Jihoon Choi, Editor-in-Chief of AVING News. │Photo by AVING News

* Special Reporting Team: Dongkwan Kim, Gyeongha Lee, Jaeman Lee, Joseph Choe, Kidai Kim, Min Choi, Minseok Cha, Myungjin Shin, Mokkyung Lee, Seung Hyun Nam, Wonjae Jung

 CES 2026 On-site Sketch │ Filmed and Edited by AVING News

[Source] Sung-Min Rhee, CEO of Itphy, “AI-based joint function analysis device 'RingDoc Motion' adds IT innovation to musculoskeletal disorder rehabilitation!”
| Written by Yewon Choi, AVING News |

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