gasless

adj.

无气体的，不用气体的，不产生气体的；

Gasless endoscopic thyroidectomy via an axillary approach: experience of 30 cases.
Endoscopic parathyroidectomy by a gasless approach.
Gasless laparoscopy and conventional instruments. The next phase of minimally invasive surgery.
Minimally invasive, totally gasless video-assisted thyroid lobectomy.
Gasless endoscopic thyroidectomy using trans-axillary approach; surgical outcome of 581 patients.
Gasless laparoscopy may reduce the risk of port-site metastases following laparascopic tumor surgery.
Gasless laparoscopic cholecystectomy: comparison of postoperative recovery with conventional technique.
An investigation of the synthesis of nickel aluminides through gasless combustion
Robotic thyroid surgery using a gasless, transaxillary approach and the da Vinci S system: the operative outcomes of 338 consecutive...
The impact of pneumoperitoneum, pneumoretroperitoneum, and gasless laparoscopy on the systemic and renal hemodynamics