Microsurgery is performed to connect small human vessels, but the technical difficulty required to conduct this type of surgery is quite specialized and limits the number of surgeons who can perform microsurgery.

Rakuten Medical Inc. raised $100 million in a series F round to support late-stage clinical development of ASP-1929, its Alluminox-derived photoimmunotherapy being tested with Keytruda (pembrolizumab) as a first-line treatment for recurrent head and neck cancer.

Japan has long been one of the premier markets for medical technology, but this market has suffered from a reputation for slow adoption of technologies outside the cardiovascular device space, a problem the Pharmaceuticals and Medical Devices Agency is keen to address.