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US4475908A Expired / Lapsed US ⏱️ 0.0 years remaining

Ostomy devices

Assignee: Smith and Nephew PLC
•
Filing: 1981-08-05
•
Granted: 1984-10-09
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Expires: 2001-08-05
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Abstract

Abstract An adhesive mount for adhesively attaching an ostomy bag about the stoma of a patient which comprises a layer of moisture vapor transmitting plastics foam and a layer of moisture vapor transmitting pressure sensitive adhesive in juxtaposition therewith and an ostomy bag device having an adhesive mount bonded about an aperture thereof is described.

Inventors

  • 👤 Ronald Lloyd

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:53
CPC Classifications
A; A61; A61L; A61L28/00; A61L28/0007; A61L28/0011; A61F; A61F5/00; A61F5/44; A61F5/443; A61L24/00; A61L24/04; A61L24/06; A61L2400/00; A61L2400/14

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 55 words
An ostomy bag device which comprises an ostomy bag having an aperture adapted to receive the stoma of a patient, an apertured adhesive mount bonded to the bag about said aperture, said adhesive mount comprising a layer of a moisture vapour transmitting plastics foam and a layer of a moisture vapour transmitting pressure sensitive adhesive.
Claim 2
Dependent Claim 55 words
An ostomy bag device which comprises an ostomy bag having an aperture adapted to receive the stoma of a patient, an apertured adhesive mount bonded to the bag about said aperture, said adhesive mount comprising a layer of a moisture vapour transmitting plastics foam and a layer of a moisture vapour transmitting pressure sensitive adhesive.
Claim 3
Dependent Claim 19 words
An ostomy bag device as claimed in claim 1 in which the moisture vapour transmitting foam comprises a polyurethane.
Claim 4
Dependent Claim 21 words
An ostomy bag device as claimed in claim 1 in which the moisture vapour transmitting plastics foam is a reticulated foam.
Claim 5
Dependent Claim 19 words
An ostomy bag device as claimed in claim 1 in which the moisture vapour transmitting adhesive layer is continuous.
Claim 6
Dependent Claim 20 words
An ostomy bag device as claimed in claim 2 in which the continuous adhesive layer comprises a polyvinyl ethyl ether.

References Cited (Backward Citations)

US3713445A Cited
US3975567A Cited
US3973563A Cited
US3972328A Cited
US4024312A Cited
US4213458A Cited
US4340043A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-10-09 1988-04-09 1988-10-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-10-09 1992-04-09 1992-10-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-10-09 1996-04-09 1996-10-09 $7700.00 Window Closed / Lapsed

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