# US 10,864,107 B2 · Ostomy appliances for effluent control > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,864,107 B2 - Document ID: US10864107B2 - Status: Granted - Kind: B2 - Application number: 16/036,823 - Filed: 2018-07-16 - Published: 2018-11-08 - Granted: 2020-12-15 - Earliest claimed: 2008-06-19 - Assignees: Convatec Technologies Inc. - Applicants: ConvaTec Technologies Inc. - Inventors: Bret Weig - Web page: https://patentgrep.com/patent/US10864107B2 ## CPC - A61F 5/445: Colostomy, {ileostomy or urethrostomy} devices (A61F5/441, A61F5/442, A61F5/443 take precedence) - A61F 2005/4455: {Implantable} - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) ## Abstract A stoma extender includes a first end for insertion into a stoma for diverting stomal effluent into the stoma extender before the effluent exits the stoma; a second end for remaining external of the stoma, for providing a discharge exit for stomal effluent; and a conduit portion coupled between the first and second ends for communicating stomal effluent through the stoma extender, wherein the length of the conduit portion is adjustable stably, to permit adaptation of the stoma extender to an individual's stoma. ## Claims ### Claim 1 A stoma extender comprising: a first end for insertion into a stoma for diverting stomal effluent into the stoma extender before the effluent exits the stoma; a second end for remaining external of the stoma, for providing a discharge exit for stomal effluent; and a conduit portion extending between the first and second ends for communicating stomal effluent through the stoma extender, wherein at least the first end comprises: a tubular support member; and a first sleeve extending around at least a portion of the tubular support member, the first sleeve comprising material that expands in response to contact with moisture, whereby when the first end is inserted into a stoma in use, moisture from stomal effluent causes the first sleeve to expand for forming a seal. ### Claim 2 (depends on 1) The stoma extender of claim 1, wherein the first sleeve comprises a foam that expands when contacted by moisture. ### Claim 3 (depends on 2) The stoma extender of claim 2, wherein the foam material is covered with an elastic sealing film. ### Claim 4 (depends on 1) The stoma extender of claim 1, wherein the tubular support member comprises at least one aperture for communicating moisture from inside the tubular support member to the first sleeve. ### Claim 5 (depends on 1) The stoma extender of claim 1, further comprising a second sleeve extending around the first sleeve for (i) containing the first sleeve and (ii) defining a contact surface for contacting an intestinal wall. ### Claim 6 (depends on 1) The stoma extender of claim 1, wherein the tubular support member has a bulbous or bulged shape at the first end of the stoma extender. ### Claim 7 (depends on 1) The stoma extender of claim 1, wherein the tubular support member and the first sleeve extend from the first end towards the second end. ### Claim 8 (depends on 1) The stoma extender of claim 1, wherein the first end and at least a portion of the conduit portion have a collapsed form prior to first use, the collapsed form being retained by a water-soluble and/or water-dispersible glue or coating on said collapsed form, whereby in use, once the first end has been inserted into a stoma, the collapsed form is released by contact with moisture from stomal effluent. ### Claim 9 (depends on 8) The stoma extender of claim 8, wherein said glue or coating is of gelatin. ### Claim 10 (depends on 1) The stoma extender of claim 1, wherein the tubular support member has a semi spherical bulge at its distal end. ### Claim 11 (depends on 10) The stoma extender of claim 10, wherein there are a series of holes through the semi-spherical bulge. ### Claim 12 (depends on 11) The stoma extender of claim 11, wherein the stomal effluent passes through the holes and over the surface of the foam when the device is inserted into the stoma, causing the foam to expand and create a seal against an intestinal wall. ### Claim 13 (depends on 10) The stoma extender of claim 10, wherein the first sleeve is thicker over the bulge at the distal end than a proximal end of the tubular support member. ### Claim 14 (depends on 1) The stoma extender of claim 1, wherein a proximal end of the tubular support member comprises a generally flange-like feature. ### Claim 15 (depends on 14) The stoma extender of claim 14, wherein the flange-like feature remains exterior to the body so as to be clear of the stoma. ### Claim 16 (depends on 14) The stoma extender of claim 14, wherein the flange-like feature is configured to attach to skin or an external wafer. ### Claim 17 (depends on 14) The stoma extender of claim 14, wherein the flange-like feature is flat, convex, concave, or a combination thereof. ### Claim 18 (depends on 1) The stoma extender of claim 1, wherein the tubular support member comprises holes.