Implantable device, intestinal opening fistula or other short tube opening in tissue and sealed cover, to aid the healing of fistula. Implantable device may comprise a configured cap to substantially cover the first opening position is and the short tube fistula the first surface of the tissue. Also, the implantable device may comprise operably linked anchor member to the cap. Anchor member is positioned on the second surface of the tissue and the second opening in the short tube fistula may be configured to substantially cover. Additionally, the implantable device may comprise a plug structure operatively coupled to the cap and the anchor member. Plug structure may be configured to fill the Tankan瘻.
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