Ostomy port
First Claim
Patent Images
1. An ostomy port for conducting waste content from an intestinal portion in an abdominal cavity through a stoma in an abdominal wall comprising:
- a cover for covering the stomal tissue external to an abdominal wall, said cover extending around a proximal opening of said ostomy port and being connected to a pliable, axially elastic tube in communication with said proximal opening;
said tube being of a length to extend longitudinally from a proximal side connected with said cover pass along a length of intestine extending distally from said stoma and cross said abdominal wall such that said tube reaches a visceral side of said abdominal wall;
said tube interconnecting said cover with a fixation element for anchoring the port to said visceral side of the abdominal wall, said anchoring of the port comprising the fixation element having an expanded cross-section, upon said anchoring, too large to pass proximally through said length of intestine;
said length of said tube being sized and configured such that, when said cover and said fixation element are interconnected across said abdominal wall, a tensile force acts through said tube along said longitudinal extent upon said cover and upon said fixation element, whereby said fixation element is drawn toward an interior side of said abdominal wall to seal against leakage around said fixation element at the tissue interface to which said fixation element is drawn, and whereby said cover is drawn against the exterior of said abdominal wall;
said tube being sufficiently pliable for being radially and reversibly collapsible upon constriction within said length of intestine, and said tube being axially elastic such that it extends upon relative movement of said cover and said fixation element, due to displacement by changes in tissue position while inserted across said abdominal wall;
said extending provided while remaining below a predetermined maximum level of said tensile force; and
a cap for sealing said proximal opening;
wherein said cap includes a shell for accommodating a waste content collection bag.
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Accused Products
Abstract
A stomal insert for conducting waste content from an intestinal portion in an abdominal cavity through a stoma in an abdominal wall comprising; a cover for covering the stoma; a fixation element for anchoring the stomal insert to a visceral side of the abdominal wall; and a pliable, axially elastic tube interconnecting said cover and said fixation element and sized to apply a tensile force to said cover and to said fixation element.
129 Citations
41 Claims
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1. An ostomy port for conducting waste content from an intestinal portion in an abdominal cavity through a stoma in an abdominal wall comprising:
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a cover for covering the stomal tissue external to an abdominal wall, said cover extending around a proximal opening of said ostomy port and being connected to a pliable, axially elastic tube in communication with said proximal opening; said tube being of a length to extend longitudinally from a proximal side connected with said cover pass along a length of intestine extending distally from said stoma and cross said abdominal wall such that said tube reaches a visceral side of said abdominal wall; said tube interconnecting said cover with a fixation element for anchoring the port to said visceral side of the abdominal wall, said anchoring of the port comprising the fixation element having an expanded cross-section, upon said anchoring, too large to pass proximally through said length of intestine; said length of said tube being sized and configured such that, when said cover and said fixation element are interconnected across said abdominal wall, a tensile force acts through said tube along said longitudinal extent upon said cover and upon said fixation element, whereby said fixation element is drawn toward an interior side of said abdominal wall to seal against leakage around said fixation element at the tissue interface to which said fixation element is drawn, and whereby said cover is drawn against the exterior of said abdominal wall; said tube being sufficiently pliable for being radially and reversibly collapsible upon constriction within said length of intestine, and said tube being axially elastic such that it extends upon relative movement of said cover and said fixation element, due to displacement by changes in tissue position while inserted across said abdominal wall;
said extending provided while remaining below a predetermined maximum level of said tensile force; anda cap for sealing said proximal opening; wherein said cap includes a shell for accommodating a waste content collection bag. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. A method for preventing leakage from a stoma comprising:
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inserting in a stoma an insertable portion of an ostomy port comprising a cover, a fixation element, and an axially elastic tube interconnecting said cover and said fixation element along the axial length of said tube; during said inserting, collapsing said fixation element and a portion of said axially elastic tube to pass through a narrow region of intestine distally beyond the opening of said stoma; allowing said fixation element and a length of said portion of said axially elastic tube to expand upon passing distally beyond said narrow of intestine; said elastic tube being sized for pulling said cover and said fixation element to press on opposing sides of an abdominal wall forming a seal thereto; and sealing an opening into said port with a cap. - View Dependent Claims (40)
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41. A method for preventing leakage from a stoma on an abdominal wall comprising:
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applying tension to form a seal against said leakage comprising a cover and a fixation element pulled to press on opposing sides of an abdominal wall via the stoma and through the body of a collapsible pliable tube; wherein at least one of the cover, fixation element, and pliable tube is adapted to elastically deform for regulating a pressure applied by the fixation element on the abdominal wall due to a variation in a tensile force applied by the tube to the cover and to the fixation element;
wherein said pressure applied is characterized by a decrease in said pressure to substantially zero when colonic pressure is equal to or greater than approximately 10 mmHg.
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Specification