Ostomy appliances and sealing elements
First Claim
Patent Images
1. In appliances for post-surgical collection of discharges from the stoma of a patient, an improvement is a combination of sealing elements, said improvement comprising:
- a base gasket element having an operative front surface and a flat back surface and including,a centrally disposed aperture,a tubular flange annularly disposed about said aperture and extending outwardly substantially normally from said gasket front surface, said tubular flange having a radially outwardly extending front wall,at least one depression in said tubular flange front wall; and
a pliable washer element, said washer element including,a radially outwardly-extending annular ring element, and,a centrally-disposed stoma-accommodating tubular flange extending outwardly substantially normally from said ring element and having a substantially flat face adapted to contact with and seal against the skin of a patient around the stoma,said washer element ring and flange being so dimensioned that said washer flange is registerable within said gasket flange and at least a portion of said washer ring is pliably engageable within said annular depression of said gasket tubular flange front wall when said washer flange is registered within said gasket tubular flange.
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Accused Products
Abstract
Disclosed are appliances for post-surgical collection of discharges from the stoma of an ostomy patient, which appliances include sealing elements in the form of a soft, pliable tubularly flanged washer element and a tubularly flanged base gasket having a groove element for securing the washer.
25 Citations
10 Claims
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1. In appliances for post-surgical collection of discharges from the stoma of a patient, an improvement is a combination of sealing elements, said improvement comprising:
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a base gasket element having an operative front surface and a flat back surface and including, a centrally disposed aperture, a tubular flange annularly disposed about said aperture and extending outwardly substantially normally from said gasket front surface, said tubular flange having a radially outwardly extending front wall, at least one depression in said tubular flange front wall; and a pliable washer element, said washer element including, a radially outwardly-extending annular ring element, and, a centrally-disposed stoma-accommodating tubular flange extending outwardly substantially normally from said ring element and having a substantially flat face adapted to contact with and seal against the skin of a patient around the stoma, said washer element ring and flange being so dimensioned that said washer flange is registerable within said gasket flange and at least a portion of said washer ring is pliably engageable within said annular depression of said gasket tubular flange front wall when said washer flange is registered within said gasket tubular flange. - View Dependent Claims (2, 3, 4, 5, 6, 10)
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7. Apparatus for post-surgical collection of discharges from the stoma of a patient, said apparatus comprising:
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a base gasket element having operative front and back surfaces and including, a centrally disposed aperture, a tubular flange annularly disposed about said aperture and extending outwardly substantially normally from said gasket front surface, said tubular flange having a radially outwardly-extending front wall, at least one depression in said tubular flange front wall with an outer peripheral edge; a pliable washer element, said washer element including, a radially outwardly-extending annular ring element with an outer peripheral edge which substantially coincides with the tubular flange outer peripheral edge, and, a centrally-disposed stoma-accommodating tubular flange extending outwardly substantially normally from said ring element and having a substantially flat face adapted to contact with and seal against the skin of a patient around the stoma, said washer element ring and flange being so dimensioned that said washer flange is registerable within said gasket flange and at least a portion of said washer ring is pliably engageable within said annular depression of said gasket tubular flange front wall when said washer flange is registered within said gasket tubular flange; a waste material collection pouch having a stoma-accommodating opening therein; means for mounting said pouch in operative position with said gasket tubular flange registered through said pouch opening; and means for mounting said gasket in operative position with the stoma of a patient registered through said gasket central aperture. - View Dependent Claims (8)
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9. In appliances for post-surgical collection of discharges from the stoma of a patient, an improvement in a combination of sealing elements, said improvement comprising:
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a base gasket element having an operative front surface and a flat back surface and including, a centrally disposed aperture, a tubular flange annularly disposed about said aperture and extending outwardly substantially normally from said gasket front surface, said tubular flange having a radially outwardly-extending front wall with an outer peripheral edge, at least one depression in said tubular flange front wall; and a pliable washer element, said washer element including, a radially outwardly-extending annular ring element with an outer peripheral edge which substantially coincides with the tubular flange outer peripheral edge, and, a centrally-disposed stoma-accommodating tubular flange extending outwardly substantially normally from said ring element and having a substantially flat face adapted to contact with and seal against the skin of a patient around the stoma, said washer element ring and flange being so dimensioned that said washer flange is registerable within said gasket flange and at least a portion of said washer ring is pliably engageable within said annular depression of said gasket tubular flange front wall when said washer flange is registered within said gasket tubular flange.
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Specification