Advanced endoscopic technologies for colorectal cancer screening

Table 1 Main characteristics of advanced flexible colonoscopes

Technology	Advantages	Disadvantages	Human studies
CathCam	Disposable; peak force reduction with respect to standard colonoscope	No instrument channel; no steering	No
Aer-O-Scope™	Disposable; “tip pulling” locomotion; computer-aided control	No instrument channel; no steering	Yes[18]
Endotics™	Disposable; Steerable head; “tip pulling” locomotion; computer-aided control; thin tail	No instrument channel; average procedure time longer than colonoscopy	Yes[20,21]
NeoGuide™	Instrument channel; shape retention; 3D map of the device; computer-aided control	Reusable (need for cleaning); large diameter	Yes[11]
Invendoscope™	Disposable; instrument channel; “tip pulling” locomotion; computer-aided control	Diameter similar to a colonoscope	Yes[24,25]
ColonoSight™	Disposable; instrument channel; “tip pulling” locomotion	Diameter similar to a colonoscope	Yes[26]
Magnetic endoscopic device	Instrument channel; “tip pulling” locomotion; computer-aided control; thin tail	Complexities related to magnetic control	No
Endo-Ease™	Facilitates cecal intubation	Large diameter	Yes[29]
ScopeGuide™	3D real-time visualization of the device	Standard colonoscope	Yes[32,33]