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UNAIR Professor secures patent for modified chest plate innovation to treat sunken chest

The design of the Puruhito Modified Chest Plate (PDMP). (Photo: Courtesy of Prof. Puruhito
The design of the Puruhito Modified Chest Plate (PDMP). (Photo: Courtesy of Prof. Puruhito

UNAIR NEWS 鈥 (UNAIR) continues to advance innovation across multiple fields, particularly in healthcare. One of its latest breakthroughs is a Modified Chest Plate developed by Prof. Dr. dr. Med. Puruhito, SpB, SpBTKV, Subsp. VE (K) from the Faculty of Medicine (FK), which has now been officially patented.

Prof. Puruhito said the patented design was developed to offer a more affordable and accessible treatment option for patients with sunken chest (Pectus Excavatum). Until now, the procedure commonly used by thoracic and cardiovascular surgeons, the Nuss procedure, has been known for its high cost.

鈥淚 am very proud of this innovation because it can significantly reduce the cost of surgery for sunken chest patients, which is typically extremely expensive. This technique is also planned for use in patients with pectus carinatum,鈥 he said.

Professor of the Faculty of Medicine at UNAIR, Prof. Dr. dr. Med. Puruhito, SpB, SpBTKV, Subsp. VE (K). (Photo: iik.ac.id)

The chest plate innovation is adapted from the Willithal鈥揌egemann technique, developed by his mentor in Germany, which itself evolved from the Ravitch procedure. Known as the Puruhito Modified Chest Plate (PDMP), the device is made of titanium, a material chosen for its strength and superior curvature properties.

鈥淭he PDMP includes perforations that make it easy to shape while preventing it from straightening. This makes implantation easier for thoracic and cardiovascular surgeons compared with the Willithal鈥揌egemann plate, which is 1.5 millimeters thick. The PDMP is thinner, just 1.0 millimeter, and more flexible because it is made of titanium,鈥 he explained.

Prof. Puruhito added that the innovation is currently awaiting marketing approval from BPOM, Indonesia鈥檚 drug and food regulatory authority. Once approved, he plans to introduce both the technique and the plate in four different sizes, tailored to patients鈥 body proportions, through presentations and workshops for thoracic and cardiovascular surgeons.

鈥淢y hope is that this plate can be routinely used by fellow thoracic and cardiovascular surgeons to treat Pectus Excavatum at an estimated cost of only IDR 1鈥1.5 million, compared with the Nuss procedure, which can cost up to IDR 40 million. Ultimately, this could lead to more affordable and accessible surgical options for people across Indonesia,鈥 he said.

Author: Rifki Sunarsis Ari Adi

Editor: Khefti Al Mawalia

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