MyoPacer field stimulator

MyoPacer: A Versatile Field Stimulator for Cardiology Research

The MyoPacer from IonOptix is a field stimulator specially designed for the stimulation of myocytes, the cells of the heart muscle. This device is essential for researchers in cardiology and physiology who study the electrical and mechanical properties of heart cells. The MyoPacer stands out for its ability to generate multiple stimulation waveforms, with a maximum peak-to-peak voltage of 40 volts, enabling precise and controlled stimulation of cells.

One of the main advantages of the MyoPacer is its versatility. It can operate autonomously, using its own internal synchronisation system, or be synchronised with an external TTL signal. This flexibility allows users to easily integrate it into various experimental setups. The MyoPacer is also equipped with an LCD screen and an optical encoder, allowing for easy and intuitive programming of stimulation parameters.

The front panel of the MyoPacer is divided into four main sections: the user interface, the high-voltage output, the digital input/output section, and the power switch. The high-voltage output is equipped with two connectors and an LED indicator, which flashes with each stimulation pulse. The digital input/output section includes Gate Out and Trig In signals, allowing communication with other instruments.

The rear panel of the MyoPacer includes connections for auxiliary signals (Aux In and Aux Out), a low voltage output (LoV Out), and a power input. The MyoPacer is powered by a wide-range universal power supply, compatible with mains voltages ranging from 85 to 265 V AC.

The MyoPacer software is based on a microprocessor that offers a wide range of options for programming the stimulator. The menus allow users to set the pulse duration and polarity, the synchronisation source, and the pulse train parameters. The pulse train menu is particularly useful, as it allows the frequency and amplitude of the pulses to be adjusted and the stimulation to be started or stopped.

The IonOptix MyoPacer is an indispensable tool for researchers in cardiology and physiology. Its versatility, accuracy, and ease of use make it an ideal choice for studies of the electrical and mechanical properties of cardiac cells.

• Output Voltage: Up to 40 volts peak-to-peak
• Maximum current: 120 mA
• Pulse Duration: 0.4 ms to 90 ms
• Pulse polarity: Bipolar, alternating, positive, negative
• Synchronisation: Internal or external (TTL)
• Stimulation Frequency: Presets for 5 frequencies, adjustable
• Display: 16x4 character LCD screen
• Encoder: Optical, allowing menu navigation and selection
• Connectors: High-voltage output (2 mm), Gate Out, Trig In, Aux In, Aux Out, LoV Out
• Power supply: Universal, 85 to 265 V AC