Electrophysiology 

Standard electrophysiology studies are performed with Millar's Electrophysiology (EP) catheters by applying pacing and recording protocols from inside the heart (intracardiac) or through the esophagus (transesophageal) to determine electrical properties of the atrium and ventricle. Programmed electrical stimulation is also applied through the catheter for induction of abnormal heartbeats. This is a proven method for characterizing the electrical phenotype of transgenic mice, as well as determining and diagnosing detrimental heart conditions. All EP catheters are reusable, non-sterile, and for animal use only.

EP Introduction Sites
The ultra-miniature size of the Millar EP catheters allows them to be introduced invasively or minimally invasively to various sites of the animal, including:

  • Jugular vein for placement inside the right atrium and right ventricle
  • Esophagus for placement next to the heart
  • Carotid artery for placement inside the left ventricle

Standard Parameters Determined via the EPR Catheters:

  • Conduction times
  • Refractory periods
  • His potentials
  • Sinus and atrioventricular nodal properties
  • Inducibility of abnormal heartbeats

A product shot of a Millar electrophysiology catheter

Electrophysiology Catheters 

EPR-800

The EPR-800 catheter is designed for use with transgenic mice as small as 2.5 grams. The catheter will connect to commercially available amplifiers, stimulators, and data acquisition hardware. Many of the manufacturers also supply the necessary software to acquire, store and analyze information from the EPR-800 Electrophysiology catheter.

Product Specifications

Model: EPR-800 Volume Connector: Redel
Product Number: 840-8145 Material: Nylon and Polyimide
Subject: Mouse Tip: Straight
Length: 4.5 cm # of Electrodes: 8
Tip F Size: 1.1F Electrode Spacing: 1 mm
Body F Size: 0.8F Repairable: No
Acute/Implant: Acute   


ADInstruments and Millar

Millar Electrophysiology Catheters are available exclusively from ADInstruments, our strategic partner for over 20 years, because we share the same goals of providing quality products backed by world-class technical support and service.

Learn More from ADInstruments

EPR-801

Product Specifications

Model: EPR-801 VOLUME CONNECTOR: Redel
Product Number: 840-8150 Material: Nylon and Polyimide
Subject: Mouse Tip: Straight
Length: 4.5 cm Lumen/Type: Sampling/Slow-speed Injection
Tip F Size: 1.1F # of Electrodes: 8
Body F Size: 0.8F Electrode Spacing: 1 mm
Acute/Implant: Acute Repairable: No


ADInstruments and Millar

Millar Electrophysiology Catheters are available exclusively from ADInstruments, our strategic partner for over 20 years, because we share the same goals of providing quality products backed by world-class technical support and service.

Learn More from ADInstruments

EPR-802

Product Specifications

Model: EPR-802 Volume Connector: Redel
Product Number: 840-8214 Material: Nylon and Polyimide
Subject: Rat Tip: Straight
Length: 12.5 cm # OF ELECTRODES: 8
Tip F Size: 1.6F ELECTRODE SPACING: 1 mm
Body F Size: 1.1F REPAIRABLE: No
Acute/Implant: Acute


ADInstruments and Millar

Millar Electrophysiology Catheters are available exclusively from ADInstruments, our strategic partner for over 20 years, because we share the same goals of providing quality products backed by world-class technical support and service.

Learn More from ADInstruments

Millar and ADInstruments

Millar Mikro-Tip® Pressure and PV Loop catheters systems are available exclusively from ADInstruments. Our strategic partnership enables an extended capacity for global reach while strengthening local support for all Millar customers. Millar and ADInstruments have been business partners for over 20 years. Both companies share the same goals of providing quality products backed by world-class technical support and service.

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