Supportive techniques and devices for endoscopic submucosal dissection of gastric cancer

Table 1 Classification of countertraction devices and methods

Double endoscope methods	Authors	Year
Double endoscopic intralumenal operation (DEILO)	Kuwano et al[23]	2004
Thin endoscope-assisted ESD	Uraoka et al[25]	2010
Transnasal endoscope-assisted ESD	Ahn et al[24]	2010
Countertraction tool attached to the endoscope
Small-caliber-tip transparent hood	Yamamoto[26]	2003
Double-channel therapeutic endoscope (the “R-scope”)	Yonezawa et al[29]	2006
Multipurpose treatment hood (TxHood)	Kawano et al[28]	2008
Angler fish-type countertraction system	Sakurazawa et al[30]	2009
Sheath-assisted countertraction ESD	Hijikata et al[27]	2010
Countertraction tool independent of the endoscope
Percutaneous traction-assisted EMR	Kondo et al[31]	2004
Magnetic anchor system	Kobayashi et al[33]	2004
External grasping type of forceps	Imaeda et al[34]	2006
Internal traction using a nylon loop	Chen et al[36]	2007
Percutaneously-assisted endoscopic surgery using a new PEG-minitrocar	von Delius et al[32]	2008
Peroral traction-assisted ESD	Jeon et al[39]	2009
Spring-assisted ESD	Sakurazawa et al[40]	2009
The pulley method ESD	Li et al[38]	2010
Medical ring system	Matsumoto et al[35]	2011
Clip-band technique	Parra-Blanco et al[36]	2011

ESD: Endoscopic submucosal dissection; EMR: Endoscopic mucosal resection.