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Table 1 The characteristics of the CIDMA catheter

From: Development, safety and efficacy of a novel circular-irrigated deca-channel mapping and ablation catheter for pulmonary vein isolation

Sample

The bending load of shaft soaking in water (N)

The diameter of adjustable circular (mm)

The diameter in loop (mm)

The bending force of handle (N)

In water 0 min

In water 30 min

In water 240 min

Initial state

Controlled state

1#

3.1379

2.008

1.7442

31.73

28.77

2.35

13.53

2#

2.8277

1.7384

1.4932

32.92

28.98

2.33

13.75

3#

2.8336

1.8497

1.4032

32.57

28.09

2.25

13.55

Mean ± SD

2.9331 ± 0.1774

1.8654 ± 0.1355

1.5469 ± 0.1767

32.41 ± 0.61

28.61 ± 0.47

2.31 ± 0.05

13.61 ± 012

P value

0.018

0.013