Artificial anal sphincter Kruimelpad Home artificial anal sphincter Producten THD GateKeeper THD® GateKeeper was devised with the aim to treat faecal incontinence by implanting specifically designed self-expandable prostheses into the intersphincteric space. Toon productinfo THD SphinKeeper THD SphinKeeper, a new artifi cial anal sphincter, was devised with the aim to treat faecal incontinence by implanting specifi cally designed self-expandable prostheses into the intersphincteric space. Toon productinfo