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  1. Article

    Open Access

    Educational simulator for mastoidectomy considering mechanical properties using 3D printing and its usability evaluation

    Complex temporal bone anatomy complicates operations; thus, surgeons must engage in practice to mitigate risks, improving patient safety and outcomes. However, existing training methods often involve prohibiti...

    Junhyeok Ock, Yeonjoo Choi, Dong-Gyu Lee, Jong Woo Chung, Namkug Kim in Scientific Reports (2024)

  2. Article

    Open Access

    Patient-specific, deliverable, and self-expandable surgical guide development and evaluation using 4D printing for laparoscopic partial nephrectomy

    Accurate lesion diagnosis through computed tomography (CT) and advances in laparoscopic or robotic surgeries have increased partial nephrectomy survival rates. However, accurately marking the kidney resection ...

    Junhyeok Ock, Eunseo Gwon, Taehun Kim, Sungchul On, So** Moon in Scientific Reports (2024)

  3. Article

    Open Access

    Comparing the biomechanical properties of conventional suture and all-suture anchors using patient-specific and realistic osteoporotic and non-osteoporotic phantom using 3D printing

    Conventional suture anchors (CAs) and all-suture anchors (ASAs) are used for rotator cuff repair. Pull-out strength (POS) is an important factor that affects surgical outcomes. While the fixation mechanism dif...

    Junhyeok Ock, Junghyun seo, Kyoung Hwan Koh, Namkug Kim in Scientific Reports (2023)

  4. Article

    Open Access

    Utilizing patient-specific 3D printed kidney surgical guide with realistic phantom for partial nephrectomy

    Partial nephrectomy has been demonstrated to preserve renal function compared with radical nephrectomy. Computed tomography (CT) is used to reveal localized renal cell carcinoma (RCC). However, marking RCC dir...

    Junhyeok Ock, Taehun Kim, Sungchul On, Sangwook Lee, Yoon Soo Kyung in Scientific Reports (2023)

  5. Article

    Open Access

    Utilizing patient-specific 3D printed guides for graft reconstruction in thoracoabdominal aortic repair

    In thoracoabdominal aortic aneurysm repair, repairing the visceral and segmental arteries is challenging. Although there is a pre-hand-sewn and multi-branched graft based on the conventional image-based techni...

    Taehun Kim, Dayeong Hong, Junhyeok Ock, Sung Jun Park, Younju Rhee in Scientific Reports (2021)

  6. Article

    Open Access

    Author Correction: Evaluation of skin cancer resection guide using hyper‑realistic in‑vitro phantom fabricated by 3D printing

    Junhyeok Ock, Taehun Kim, Sangwook Lee, Tae Seong Yang, Minji kim in Scientific Reports (2021)

  7. Article

    Open Access

    Evaluation of skin cancer resection guide using hyper-realistic in-vitro phantom fabricated by 3D printing

    Skin cancer usually occurs in the facial area relatively exposed to sunlight. Medical imaging can confirm the invasiveness and metastasis of skin cancer, which is used to establish a surgical plan. However, th...

    Junhyeok Ock, Taehun Kim, Sangwook Lee, Tae Seong Yang, Minji kim in Scientific Reports (2021)

  8. Article

    Open Access

    Patient-specific and hyper-realistic phantom for an intubation simulator with a replaceable difficult airway of a toddler using 3D printing

    Difficult tracheal intubation is the third most common respiratory-related adverse co-morbid episode and can lead to death or brain damage. Since difficult tracheal intubation is less frequent, trainees have f...

    Junhyeok Ock, Eunseo Gwon, Doo-hwan Kim, Sung-hoon Kim, Namkug Kim in Scientific Reports (2020)