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Fig. 1 | Trials

Fig. 1

From: Analysis of cervical resistance during continuous controllable balloon dilatation: controlled clinical and experimental study

Fig. 1

Upgraded system for continuous controllable balloon dilatation: Nexus 6000 hydrostatic pump (National Instruments, Austin, TX, USA) (1), linear variable differential transformer displacement sensor (2), pressure sensor (3), dilatator device (4), driver for displacement sensor (5), enclosure with USB-6008 data acquisition card (6), laptop computer (7) and RS232 to USB converter (8)

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