Electrophysiology Stimulator Receives a Digital Upgrade

The Fischer Medical (Denver, CO, USA) Bloom2 maps the original analog system directly to the digital, so that adoption is intuitive for customers.

The release of the new, digital version of the original Bloom electrophysiology stimulator provides electrophysiology (EP) lab clinicians and other staff members a modern user interface that eliminates tedious dropdown menus while retaining the tactile feel of the original analog Bloom device, invented by Murray Bloom in the 1970’s. The Bloom2 was designed to map the original analog system directly to the digital, so that adoption of the digital system would be simple and intuitive for Bloom customers.


Digitalization allows the electrophysiologists to pre-program their preferred protocol setups, which can then be altered on demand. A touch screen interface simplifies setups, while conventional tactile switch controls provide a familiar, recognized “touch” during procedures. The tactile controls are situated on a small moveable panel for control of ongoing pacing during an unfolding diagnosis. The panel is operated without any visual distractions, and no drop-down menu, utilizing an unrestricted instant burst system.

“The Bloom2 represents years of research and development to integrate the key components of what made the original Bloom the market leading stimulator worldwide,” said Wes Rogers, President and CEO of Fischer Medical. “The Bloom2 is the only stimulator on the market that offers the tactile feel of the original Bloom combined with a state-of-the-art user interface.”

The EP stimulator is in essence an upgraded temporary pacemaker that can provide up to four pacing channels, each of which can be independently programmed with specific parameters to stimulate the heart from various locations, determined by which catheter the stimulator is programmed to use. Via a direct interface with the monitoring system, the positive and negative poles are assigned to specific electrodes inside the patient's heart. Through the interface, the stimulator can sense the patient's intrinsic rhythm and wenkebach cycle length.

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