Table 1.

Classification of single port devices

On the basis of Access
Gel	e.g. Gelpoint® (Applied Medical)
Multiple channels	e.g. Xcone® (Karl Storz), Endocone® (Karl Storz) Triport® (Advanced surgical), Quadport® (Advanced surgical), OCTO-port™ (Dalim surgnet), Glove for MISS surgery.
Structural Access	e.g. SILS® (Covedien), Airseal® (Surgiquest)
On the basis of retracting technology
Sleeve	e.g. Gelpoint® (Applied Medical), Triport® (Advanced surgical), Quadport® (Advanced surgical), OCTOport™ (Dalim surgnet), Glove for MISS.
Soft Structural retraction	e.g. SILS® (Covedien).
Rigid structural retraction	e.g. X- cone® (Karl Storz), Endocone® (Karl Storz), Airseal® (Surgiquest)