Esophagus PH-electromyogrphy combined electrode catheter

The invention discloses an esophagus PH-electromyogrphy combined electrode catheter. The esophagus PH-electromyogrphy combined electrode catheter comprises a catheter body, a PH wire and a diaphragm wire, wherein two PH electrodes, a plurality of diaphragmatic electromyogram signal recording electrodes and a diaphragmatic electromyogram signal reference electrode are arranged on the surface of thecatheter body; the two PH electrodes are arranged at the tail end and the middle part of the catheter body respectively, the plurality of diaphragmatic electromyographic signal recording electrodes are all positioned between the two PH electrodes, and the diaphragmatic electromyographic signal reference electrode is positioned at the near end of the middle PH electrode; all the PH electrodes areconnected with the PH wire in the catheter body, and a PH processor connector is arranged at the signal output end of the PH wire; the diaphragmatic electromyographic signal reference electrode and all the diaphragmatic electr