Johnson & Johnson to Acquire Atraverse Medical’s Hotwire System, Targeting $17.6bn Electrophysiology Market
Johnson & Johnson will acquire Atraverse Medical, gaining Hotwire, an FDA-cleared left-heart RF guidewire and generator system used in nearly 3,000 procedures. The transaction, with undisclosed terms and expected to close in H2 2026, bolsters J&J’s electrophysiology ablation franchise in a market growing 11.1% annually to $17.6 billion by 2035.
1. Acquisition Details
Johnson & Johnson has agreed to acquire San Diego-based Atraverse Medical in a transaction expected to close in the second half of 2026. Financial terms have not been disclosed.
2. Hotwire Technology and Adoption
Atraverse’s lead product, Hotwire, combines a radiofrequency guidewire with a generator featuring impedance-guided shutoff to minimize unnecessary RF exposure. The guidewire received FDA clearance in May 2024, the integrated system in December 2025, and has been used in almost 3,000 left-heart access procedures.
3. Market Impact and J&J Position
The global electrophysiology ablation catheter market is projected to grow at an 11.1% CAGR from $6.1 billion in 2025 to $17.6 billion by 2035. J&J’s Biosense Webster held a 43.1% share of the US market in 2025, and the Hotwire acquisition aims to strengthen its leading position.