For women with BRCA1 gene mutations, fate always seems to draw a cruel multiple-choice question between "removing organs to prevent future diseases" and "preserving fertility but bearing a huge risk of cancer". At the end of 2025, Hollywood actress Angelina Jolie publicly displayed the scars left by removing the breast glands to prevent cancer, once again putting the plight of this group in the public eye. However, a ray of research from the field of biomedical engineering may completely rewrite the answer to this multiple-choice question. On January 28, 2026, the top international academic journal "Cell" reported on a major breakthrough made by Beihang University as the first completion unit in this field: a flexible implantable bioelectronic device called POCKET, which is expected to make "Julie" no longer face the desperate situation of "choosing one of the two".