为了孩子的生命 这颗“中国心”变得只有矿泉水瓶盖大小了

Core Insights - The article discusses the development of a new pediatric artificial heart, referred to as "China Heart," which is a collaboration between Wuhan and Shenzhen [1][3] - The pediatric version of the artificial heart is the smallest and lightest in the world, designed specifically for children, with a size comparable to a bottle cap and a weight of 45 grams [3][5] - The artificial heart serves as a bridge for patients awaiting heart transplants and can support those who are not suitable candidates for transplantation [4][5] Group 1: Development and Features - The research team previously developed the world's smallest adult version of the magnetic levitation artificial heart, which was successfully implanted in a male patient in 2022 [4] - The pediatric artificial heart was designed based on the anatomical structure and physiological characteristics of children's hearts, resulting in a significant reduction in size and weight compared to the adult version [5] - The core technology of the artificial heart is magnetic levitation, which avoids contact with blood, thus maintaining high blood compatibility [5] Group 2: Clinical Application - The first implantation of the pediatric artificial heart occurred on March 30, with a 7-year-old patient named Junjun, who has shown stable performance and recovery [3][6] - The patient has been undergoing rehabilitation in the ICU, with positive interactions and progress reported by medical staff [6] - The artificial heart is designed for a lifespan of 10 to 15 years, making it a viable long-term solution for pediatric patients [5]