Recent years have seen progress in treating brain disease, but one major challenge remains: getting therapeutic treatments across the blood-brain barrier. Now, Cranius LLC has raised $19.4 million to advance a device designed to bypass the blood-brain barrier and deliver medicines directly and continuously to the brain.

Cionic Inc. doubled its funding to date with a $12.5 million series A round led by Bluerun Ventures. The cash infusion will support the manufacturing and delivery of the company’s Neural Sleeve, development of additional products on its human augmentation platform and expansion of the team. The Neural Sleeve received FDA clearance in February and is designed to help individuals with impairments caused by multiple sclerosis, stroke, cerebral palsy and other diseases retain or regain mobility.

Solid Biosciences Inc. found a way to continue its Duchenne muscular dystrophy push, inking a deal to acquire privately held Aavantibio Inc., at the same time nailing down $75 million by way of a private placement with institutional investors.

Cerecin Inc. has successfully closed the first tranche of a series IIB financing with investors from South Korea, with SK Securities Co. Ltd. and KNT Investment LLC leading the round. Proceeds from the financing, of undisclosed value, will help the company advance clinical studies of its CER-0001 (tricaprilin) in migraine and infantile spasm.

Delphinus Medical Technologies Inc. raised $30.4 million in a series D fundraising round to support worldwide commercialization of its Softvue 3D whole breast ultrasound tomography system. Both new and existing investors kicked in funds including Arboretum Ventures, Beringea, North Coast Technology Investors, Venture Investors, Hopen Life Science Ventures and Waycross Ventures.