CardioMEMS, a developer of wireless heart sensor technology, has closed on $23.28 million in Series D round financing, Private Equity Wire reported Tuesday.
PE Wire cited a regulatory filing as its source for the news.
Citing market conditions, CardioMEMS withdrew plans for an initial public round earlier this summer. The company had sought more than $86 million in the IPO.
The D round is expected to reach $31.5 million, PE Wire said.
CardioMEMS disclosed plans to go public in January. The firm is developing heart failure and hypertension sensors. It planned to trade on the Nasdaq. Banc of America Securities was the lead underwriter.
Venture backers include Arcapita, Boston Millennia Partners, Foundation Medical Partners, Medtronic, Inc. and Johnson and Johnson Development Corp.