A pack of ten (10) latex balloons for use in measuring isovolumetric pressures in the rat isolated heart. The balloons can be used with the 174023
Flexible Balloon Catheter connected to the MLT844
Physiological Pressure Transducer and Bridge Amplifier to measure pressure. The balloons are 3 x 7 mm with an approximate volume of 0.03 ml and ideal for hearts from rats of 100-200 grams body weight.