Stoma Appliance Scheme
Benchmark Features Table

The SAS Benchmark Features Table specifies key features, related features and variants of those related features for the notional benchmark product for each subgroup in Groups 1 to 7.

Product feature descriptions used within the Stoma Appliances Scheme Schedule are consistent across all products and should not contain marketing material. Descriptions that vary between manufacturers, especially those related to measurements, are specified below:

Common Terminology
Related Feature / Variant / From / To
Pouch Size / Extra small / 100 ml / 300 ml
Small / 301 ml / 500 ml
Medium / 501 ml / 700 ml
Large / 701 ml / 900 ml
Extra large / >901 ml
Degree of Convexity / Shallow / 3.0 mm / 5.0 mm
Medium / 5.1 mm / 6.6 mm
Deep / 6.7 mm / 13.0 mm
Baseplate Wear Time / Standard / TBA / TBA
Extended / TBA / TBA

A number of subgroups require review by the Stoma Product Assessment Panel and do not yet have defined benchmarks. Applications for listing in the below subgroups should first be discussed with the SAS Secretariat.

Subgroups with benchmarks to be defined
08a - Group 8 - Alternative Systems (a) Plug Systems
08b - Group 8 - Alternative Systems (b) Irrigation
08c - Group 8 - Alternative Systems (c) Catheters
08d - Group 8 - Alternative Systems (d) Rubber Appliances
09a - Group 9 - Accessories (a) Adhesive Barrier
09b - Group 9 - Accessories (b) Belts
09c - Group 9 - Accessories (c) Clamps & Clips
09d - Group 9 - Accessories (d) Cleansers & Solvents
09e - Group 9 - Accessories (e) Convexity Inserts
09f - Group 9 - Accessories (f) Creams & Ointments
09g - Group 9 - Accessories (g) Deodorants
09h - Group 9 - Accessories (h) Hernia Support Belts & Garments
09i - Group 9 - Accessories (i) Night Drainage
09j - Group 9 - Accessories (j) Powders & Pastes
09k - Group 9 - Accessories (k) Protective Films
09l - Group 9 - Accessories (l) Seals
09m - Group 9 - Accessories (m) Miscellaneous
10a - Group 10 - Paediatric (a) All
11a - Group 11 - Fistula (a) All
Group 1 - One-Piece Closed
(a) Stoma Caps
Key Feature / Related Feature / Variant
Closed Pouch / Pouch Filter / Protected dual carbon filter
Protected single carbon filter
Pouch Construction Material / Transparent with fabric backing
Transparent with fabric cover on both sides including viewing window
Opaque with fabric backing
Opaque with fabric cover on both sides
Pouch Size / Extra small
Belt Loops / No belt loops
Belt loops on each side of pouch
Belt loops on each side of baseplate
Headspace / Low headspace
Standard headspace
Flat Baseplate / Baseplate Material / Hydrocolloid
Hydrocolloid with Aloe Vera
Baseplate Thickness / Thickness at the opening
Baseplate Shape / Round
Oval
Oval with contouring spaces
Diamond
Oblong
Square
Triangle
Hexagon
Baseplate Skin Adhesion / Hydrocolloid self adhesive
Hydrocolloid self adhesive with tape border
Baseplate Wear Time / Standard
Baseplate Opening Type / Pre-cut
Cut-to-fit
Pre-cut mouldable
Release Tabs / Release tabs
No release tabs
Group 1 - One-Piece Closed
(b) Flat Baseplate
Key Feature / Related Feature / Variant
Closed Pouch / Pouch Filter / Protected dual carbon filter
Protected single carbon filter
Pouch Construction Material / Transparent with fabric backing
Transparent with fabric cover on both sides including viewing window
Opaque with fabric backing
Opaque with fabric cover on both sides
Pouch Size / Extra small
Small
Medium
Large
Extra large
Belt Loops / No belt loops
Belt loops on each side of pouch
Belt loops on each side of baseplate
Headspace / Low headspace
Standard headspace
Flat Baseplate / Baseplate Material / Hydrocolloid
Hydrocolloid with Aloe Vera
Baseplate Thickness / Thickness at the opening
Baseplate Shape / Round
Oval
Oval with contouring spaces
Diamond
Oblong
Square
Triangle
Hexagon
Baseplate Skin Adhesion / Hydrocolloid self adhesive
Hydrocolloid self adhesive with tape border
Baseplate Wear Time / Standard
Baseplate Opening Type / Pre-cut
Cut-to-fit
Pre-cut mouldable
Release Tabs / Release tabs
No release tabs
Group 1 - One-Piece Closed
(c) Convex Baseplate
Key Feature / Related Feature / Variant
Closed Pouch / Pouch Filter / Protected dual carbon filter
Protected single carbon filter
Pouch Construction Material / Transparent with fabric backing
Transparent with fabric cover on both sides including viewing window
Opaque with fabric backing
Opaque with fabric cover on both sides
Pouch Size / Extra small
Small
Medium
Large
Extra large
Belt Loops / No belt loops
Belt loops on each side of pouch
Belt loops on each side of baseplate
Headspace / Low headspace
Standard headspace
Convex Baseplate / Baseplate Material / Hydrocolloid
Hydrocolloid with Aloe Vera
Baseplate Thickness / Thickness at the opening
Baseplate Shape / Round
Oval
Oval with contouring spaces
Diamond
Oblong
Square
Triangle
Hexagon
Baseplate Skin Adhesion / Hydrocolloid self adhesive
Hydrocolloid self adhesive with tape border
Baseplate Wear Time / Standard
Baseplate Opening Type / Pre-cut
Cut-to-fit
Pre-cut mouldable
Baseplate Achieving Convexity / Rigid convex ring
Extra thick baseplate material
Firm baseplate material
Degree of Convexity / Shallow
Medium
Deep
Release Tabs / Release tabs
No release tabs
Group 2 - One-Piece Drainable
(a) Flat Baseplate
Key Feature / Related Feature / Variant
Drainable Pouch / Pouch Filter / Protected dual carbon filter
Protected single carbon filter
Pouch Construction Material / Transparent with fabric backing
Transparent with fabric cover on both sides including viewing window
Opaque with fabric backing
Opaque with fabric cover on both sides
Pouch Size / Extra small
Small
Medium
Large
Extra large
Belt Loops / No belt loops
Belt loops on each side of pouch
Belt loops on each side of baseplate
Pouch Closure Type / Integrated closure
Tap closure with plug
Headspace / Low headspace
Standard headspace
Flat Baseplate / Baseplate Material / Hydrocolloid
Hydrocolloid with Aloe Vera
Baseplate Thickness / Thickness at the opening
Baseplate Shape / Round
Oval
Oval with contouring spaces
Diamond
Oblong
Square
Triangle
Hexagon
Baseplate Skin Adhesion / Hydrocolloid self adhesive
Hydrocolloid self adhesive with tape border
Baseplate Wear Time / Standard
Baseplate Opening Type / Pre-cut
Cut-to-fit
Pre-cut mouldable
Release Tabs / Release tabs
No release tabs
Group 2 - One-Piece Drainable
(b) Convex Baseplate
Key Feature / Related Feature / Variant
Drainable Pouch / Pouch Filter / Protected dual carbon filter
Protected single carbon filter
Pouch Construction Material / Transparent with fabric backing
Transparent with fabric cover on both sides including viewing window
Opaque with fabric backing
Opaque with fabric cover on both sides
Pouch Size / Extra small
Small
Medium
Large
Extra large
Belt Loops / No belt loops
Belt loops on each side of pouch
Belt loops on each side of baseplate
Pouch Closure Type / Integrated closure
Tap closure with plug
Headspace / Low headspace
Standard headspace
Convex Baseplate / Baseplate Material / Hydrocolloid
Hydrocolloid with Aloe Vera
Baseplate Thickness / Thickness at the opening
Baseplate Shape / Round
Oval
Oval with contouring spaces
Diamond
Oblong
Square
Triangle
Hexagon
Baseplate Skin Adhesion / Hydrocolloid self adhesive
Hydrocolloid self adhesive with tape border
Baseplate Wear Time / Standard
Baseplate Opening Type / Pre-cut
Cut-to-fit
Pre-cut mouldable
Baseplate Achieving Convexity / Rigid convex ring
Extra thick baseplate material
Firm baseplate material
Degree of Convexity / Shallow
Medium
Deep
Release Tabs / Release tabs
No release tabs
Group 3 - One-Piece Urostomy
(a) Flat Baseplate
Key Feature / Related Feature / Variant
Urostomy Pouch / Valves / Non-return valve single chamber
Non-return valve multi chamber
Pouch Construction Material / Transparent with fabric backing
Transparent with fabric cover on both sides including viewing window
Opaque with fabric backing
Opaque with fabric cover on both sides
Pouch Size / Extra small
Small
Medium
Large
Extra large
Belt Loops / No belt loops
Belt loops on each side of pouch
Belt loops on each side of baseplate
Pouch Closure Type / Plug closure
Bendable tube into fixed plug closure
Tap closure
Tap closure with plug
Night Drainage / Direct connection to drainage bag
Adapter for connection to drainage bag
Headspace / Low headspace
Standard headspace
Flat Baseplate / Baseplate Material / Hydrocolloid
Hydrocolloid with Aloe Vera
Baseplate Thickness / Thickness at the opening
Baseplate Shape / Round
Oval
Oval with contouring spaces
Diamond
Oblong
Square
Triangle
Hexagon
Baseplate Skin Adhesion / Hydrocolloid self adhesive
Hydrocolloid self adhesive with tape border
Baseplate Wear Time / Standard
Baseplate Opening Type / Pre-cut
Cut-to-fit
Pre-cut mouldable
Release Tabs / Release tabs
No release tabs
Group 3 - One-Piece Urostomy
(b) Convex Baseplate
Key Feature / Related Feature / Variant
Urostomy Pouch / Valves / Non-return valve single chamber
Non-return valve multi chamber
Pouch Construction Material / Transparent with fabric backing
Transparent with fabric cover on both sides including viewing window
Opaque with fabric backing
Opaque with fabric cover on both sides
Pouch Size / Extra small
Small
Medium
Large
Extra large
Belt Loops / No belt loops
Belt loops on each side of pouch
Belt loops on each side of baseplate
Pouch Closure Type / Plug closure
Bendable tube into fixed plug closure
Tap closure
Tap closure with plug
Night Drainage / Direct connection to drainage bag
Adapter for connection to drainage bag
Headspace / Low headspace
Standard headspace
Convex Baseplate / Baseplate Material / Hydrocolloid
Hydrocolloid with Aloe Vera
Baseplate Thickness / Thickness at the opening
Baseplate Shape / Round
Oval
Oval with contouring spaces
Diamond
Oblong
Square
Triangle
Hexagon
Baseplate Skin Adhesion / Hydrocolloid self adhesive
Hydrocolloid self adhesive with tape border
Baseplate Wear Time / Standard
Baseplate Opening Type / Pre-cut
Cut-to-fit
Pre-cut mouldable
Baseplate Achieving Convexity / Rigid convex ring
Extra thick baseplate material
Firm baseplate material
Degree of Convexity / Shallow
Medium
Deep
Release Tabs / Release tabs
No release tabs
Group 4 - Two-Piece Baseplate
(a) Mechanical Coupling - Flat
Key Feature / Related Feature / Variant
Flat Baseplate / Baseplate Material / Hydrocolloid
Hydrocolloid with Aloe Vera
Baseplate Thickness / Thickness at the opening
Baseplate Shape / Round
Oval
Oval with contouring spaces
Diamond
Oblong
Square
Triangle
Hexagon
Baseplate Skin Adhesion / Hydrocolloid self adhesive
Hydrocolloid self adhesive with tape border
Baseplate Wear Time / Standard
Baseplate Opening Type / Pre-cut
Cut-to-fit
Pre-cut mouldable
Baseplate Coupling / Mechanical coupling
Mechanical coupling with lock
Mechanical coupling with tape border
Baseplate Flange / Floating Flange
Semi-Floating Flange
Rigid Flange
Belt Loops / No belt loops
Belt loops on each side of baseplate
Release Tabs / Release tabs
No release tabs
Group 4 - Two-Piece Baseplate
(b) Mechanical Coupling - Extended Wear
Key Feature / Related Feature / Variant
Flat Baseplate / Baseplate Material / Hydrocolloid
Hydrocolloid with Aloe Vera
Baseplate Thickness / Thickness at the opening
Baseplate Shape / Round
Oval
Oval with contouring spaces
Diamond
Oblong
Square
Triangle
Hexagon
Baseplate Skin Adhesion / Hydrocolloid self adhesive
Hydrocolloid self adhesive with tape border
Baseplate Wear Time / Extended
Baseplate Opening Type / Pre-cut
Cut-to-fit
Pre-cut mouldable
Baseplate Coupling / Mechanical coupling
Mechanical coupling with lock
Mechanical coupling with tape border
Baseplate Flange / Floating Flange
Semi-Floating Flange
Rigid Flange
Belt Loops / No belt loops
Belt loops on each side of baseplate
Release Tabs / Release tabs
No release tabs
Group 4 - Two-Piece Baseplate
(c) Mechanical Coupling - Convex
Key Feature / Related Feature / Variant
Convex Baseplate / Baseplate Material / Hydrocolloid
Hydrocolloid with Aloe Vera
Baseplate Thickness / Thickness at the opening
Baseplate Shape / Round
Oval
Oval with contouring spaces
Diamond
Oblong
Square
Triangle
Hexagon
Baseplate Skin Adhesion / Hydrocolloid self adhesive
Hydrocolloid self adhesive with tape border
Baseplate Wear Time / Standard
Baseplate Opening Type / Pre-cut
Cut-to-fit
Pre-cut mouldable
Baseplate Achieving Convexity / Rigid convex ring
Extra thick baseplate material
Firm baseplate material
Degree of Convexity / Shallow
Medium
Deep
Baseplate Coupling / Mechanical coupling
Mechanical coupling with lock
Mechanical coupling with tape border
Baseplate Flange / Rigid Flange
Floating Flange
Semi-Floating Flange
Belt Loops / No belt loops
Belt loops on each side of baseplate
Release Tabs / Release tabs
No release tabs
Group 4 - Two-Piece Baseplate
(d) Adhesive Coupling - Flat
Key Feature / Related Feature / Variant
Flat Baseplate / Baseplate Material / Hydrocolloid
Hydrocolloid with Aloe Vera
Baseplate Thickness / Thickness at the opening
Baseplate Shape / Round
Oval
Oval with contouring spaces
Diamond
Oblong
Square
Triangle
Hexagon
Baseplate Skin Adhesion / Hydrocolloid self adhesive
Hydrocolloid self adhesive with tape border
Baseplate Wear Time / Standard
Baseplate Opening Type / Pre-cut
Cut-to-fit
Pre-cut mouldable
Baseplate Coupling / Adhesive coupling
Baseplate Flange / Rigid Flange
Floating Flange
Semi-Floating Flange
Belt Loops / No belt loops
Belt loops on each side of baseplate
Release Tabs / Release tabs
No release tabs
Group 4 - Two-Piece Baseplate
(e) Adhesive Coupling - Extended Wear
Key Feature / Related Feature / Variant
Flat Baseplate / Baseplate Material / Hydrocolloid
Hydrocolloid with Aloe Vera
Baseplate Thickness / Thickness at the opening
Baseplate Shape / Round
Oval
Oval with contouring spaces
Diamond
Oblong
Square
Triangle
Hexagon
Baseplate Skin Adhesion / Hydrocolloid self adhesive
Hydrocolloid self adhesive with tape border
Baseplate Wear Time / Extended
Baseplate Opening Type / Pre-cut
Cut-to-fit
Pre-cut mouldable
Baseplate Coupling / Adhesive coupling
Baseplate Flange / Rigid Flange
Floating Flange
Semi-Floating Flange
Belt Loops / No belt loops
Belt loops on each side of baseplate
Release Tabs / Release tabs
No release tabs
Group 4 - Two-Piece Baseplate
(f) Adhesive Coupling - Convex
Key Feature / Related Feature / Variant
Convex Baseplate / Baseplate Material / Hydrocolloid
Hydrocolloid with Aloe Vera
Baseplate Thickness / Thickness at the opening
Baseplate Shape / Round
Oval
Oval with contouring spaces
Diamond
Oblong
Square
Triangle
Hexagon
Baseplate Skin Adhesion / Hydrocolloid self adhesive
Hydrocolloid self adhesive with tape border
Baseplate Wear Time / Standard
Baseplate Opening Type / Pre-cut
Cut-to-fit
Pre-cut mouldable
Baseplate Achieving Convexity / Rigid convex ring
Extra thick baseplate material
Firm baseplate material
Degree of Convexity / Shallow
Medium
Deep
Baseplate Coupling / Adhesive coupling
Baseplate Flange / Rigid Flange
Floating Flange
Semi-Floating Flange
Belt Loops / No belt loops
Belt loops on each side of baseplate
Release Tabs / Release tabs
No release tabs
Group 5 - Two-Piece Closed
(a) Mechanical Coupling
Key Feature / Related Feature / Variant
Two-Piece Closed Pouch / Pouch Filter / Protected dual carbon filter
Protected single carbon filter
Pouch Construction Material / Transparent with fabric backing
Transparent with fabric cover on both sides including viewing window
Opaque with fabric backing
Opaque with fabric cover on both sides
Pouch Size / Extra small
Small
Medium
Large
Extra large
Belt Loops / No belt loops
Belt loops on each side of pouch
Pouch Coupling / Mechanical coupling
Mechanical coupling with lock
Mechanical coupling with tape border
Headspace / Low headspace
Standard headspace
Group 5 - Two-Piece Closed
(b) Adhesive Coupling
Key Feature / Related Feature / Variant
Two-Piece Closed Pouch / Pouch Filter / Protected dual carbon filter
Protected single carbon filter
Pouch Construction Material / Transparent with fabric backing
Transparent with fabric cover on both sides including viewing window
Opaque with fabric backing
Opaque with fabric cover on both sides
Pouch Size / Extra small
Small
Medium
Large
Extra large
Belt Loops / No belt loops
Belt loops on each side of pouch
Pouch Coupling / Adhesive coupling
Headspace / Low headspace
Standard headspace
Group 6 - Two-Piece Drainable
(a) Mechanical Coupling
Key Feature / Related Feature / Variant
Two-Piece Drainable Pouch / Pouch Filter / Protected dual carbon filter
Protected single carbon filter
Pouch Construction Material / Transparent with fabric backing
Transparent with fabric cover on both sides including viewing window
Opaque with fabric backing
Opaque with fabric cover on both sides
Pouch Size / Extra small
Small
Medium
Large
Extra large
Belt Loops / No belt loops
Belt loops on each side of pouch
Pouch Coupling / Mechanical coupling
Mechanical coupling with lock
Mechanical coupling with tape border
Pouch Closure Type / Integrated closure
Tap closure with plug
Headspace / Low headspace
Standard headspace
Group 6 - Two-Piece Drainable
(b) Adhesive Coupling
Key Feature / Related Feature / Variant
Two-Piece Drainable Pouch / Pouch Filter / Protected dual carbon filter
Protected single carbon filter
Pouch Construction Material / Transparent with fabric backing
Transparent with fabric cover on both sides including viewing window
Opaque with fabric backing
Opaque with fabric cover on both sides
Pouch Size / Extra small
Small
Medium
Large
Extra large
Belt Loops / No belt loops
Belt loops on each side of pouch
Pouch Coupling / Adhesive coupling
Pouch Closure Type / Integrated closure
Tap closure with plug
Headspace / Low headspace
Standard headspace
Group 7 - Two-Piece Urostomy
(a) Mechanical Coupling
Key Feature / Related Feature / Variant
Two-Piece Urostomy Pouch / Valves / Non-return valve single chamber
Non-return valve multi chamber
Pouch Construction Material / Transparent with fabric backing
Transparent with fabric cover on both sides including viewing window
Opaque with fabric backing
Opaque with fabric cover on both sides
Pouch Size / Extra small
Small
Medium
Large
Extra large
Belt Loops / No belt loops
Belt loops on each side of pouch
Pouch Coupling / Mechanical coupling
Mechanical coupling with lock
Mechanical coupling with tape border
Pouch Closure Type / Plug closure
Bendable tube into fixed plug closure
Tap closure with plug
Tap closure
Night Drainage / Direct connection to drainage bag
Adapter for connection to drainage bag
Headspace / Low headspace
Standard headspace
Group 7 - Two-Piece Urostomy
(b) Adhesive Coupling
Key Feature / Related Feature / Variant
Two-Piece Urostomy Pouch / Valves / Non-return valve single chamber
Non-return valve multi chamber
Pouch Construction Material / Transparent with fabric backing
Transparent with fabric cover on both sides including viewing window
Opaque with fabric backing
Opaque with fabric cover on both sides
Pouch Size / Extra small
Small
Medium
Large
Extra large
Belt Loops / No belt loops
Belt loops on each side of pouch
Pouch Coupling / Adhesive coupling
Pouch Closure Type / Plug closure
Bendable tube into fixed plug closure
Tap closure with plug
Tap closure
Night Drainage / Direct connection to drainage bag
Adapter for connection to drainage bag
Headspace / Low headspace
Standard headspace

SAS Benchmark Products TablePage 1 of 18