My Life Technologies Corp. has raised $4 million from investors to fund production and clinical trials for its microneedle technology. Based in Leiden, Netherlands, the company is developing a ceramic patch that can deliver vaccines or drugs through the skin. The technology could prove to be an attractive alternative to standard vaccine injections due to what the company says is its simple and painless delivery.

A successful fundraising round by a Chinese surgical robot developer last week underscored the potentially fast growth of a sector that remains underdeveloped in China. Chinese surgical robot company Edge Medical Robotics Co. Ltd. raised $200 million in a series C round, and plans to use the funds for the commercialization of its core products.

Shares of cardiac diagnostics company Heartbeam Inc. (NASDAQ:BEAT) are trading lower than expected after it opened on the Nasdaq on Nov. 11. The digital health company priced its public offering of 2,750,000 units at $6, but as of midday, shares were trading at $4.56. It’s a disappointing start for the Santa Clara, Calif.-based company, which is developing an ECG telemedicine technology to diagnose cardiovascular patients for ambulatory settings.

Investors have injected $8.4 million into Swedish startup Sigrid Therapeutics AB to speed development of its oral medical device Sipore15. The technology is a tasteless and odorless white powder taken with water to reduce blood sugar levels in people at risk of developing diabetes.

Color Health Inc. followed its rainbow to another pot of gold, collecting $100 million in a series E financing round led by Kindred Ventures and funds advised by T. Rowe Price Associates Inc. Returning funding round participants also included General Catalyst, the company’s long-time lead investor, Viking Global Investors and Emerson Collective. With the latest cash infusion, the company’s total funds raised to date reached $378 million and its valuation of $4.6 billion propelled it into the top dozen health care unicorns. Founded in 2017 as Color Genomics, the Burlingame, Calif.-based company has raised more than two-thirds of its total funding this year with today’s series E following the close of a $167 million series D round in January.