Water-jet vs traditional triangular tip knife in peroral endoscopic myotomy for esophageal dysmotility: A systemic review and meta-analysis

Figure 1  Flow diagram with search results and selection criteria.

Figure 2 It comprises a thinner and more compact tip as well as jet function to allow saline injection after cutting without the need to switch devices. A: Conventional triangular tip knife; B: Water-jet integrated triangular tip knife.

Figure 3  Funnel plot for publication bias of clinical success of triangular tip knife and water-jet integrated triangular tip knife.

Figure 4  Forest Plot for assessing the odds ratio of adverse effects between usage of water-jet integrated triangular tip knife and triangular tip knife.