Be careful, patient, and focused

After the power was connected, under the gaze of the endoscope, the stone in the biliary tract shattered, and several small stone fragments were separated.

The 7F grappling hook was as nimble as boss Zheng's fingers, and it began to grab the fragments and take them out one by one.

“50V。”

“45V。”

Zheng Ren continued to give orders.

The frequency of using the liquid electric stone was extremely low. In many cases, one charge wouldn't even be able to break a stone. It would take three to five times to complete a seemingly simple operation.

He was being a little too cautious, Zhu liangchen couldn't help but think.

Zheng Ren was like a child playing with building blocks. He carefully used the energy field formed by electric currents to "peel" the gravel around the inner vessel.

Zhu liangchen was the assistant, but there was nothing he could do. He did not need to do anything other than hold the guide wire of the 7F forceps.