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US3570490A Expired / Lapsed US ⏱️ 0.0 years remaining

Enterostomy pouch

Assignee: Atlantic Surgical Co Inc
•
Filing: 1968-11-15
•
Granted: 1971-03-16
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Expires: 1988-11-15
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Abstract

Abstract An opaque enterostomy pouch having a transparent window which permits visual access to the stoma-receiving opening in the pouch thereby permitting visual verification of its fit and alignment on the user.

Inventors

  • 👤 Leon Berger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:52
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/445

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 101 words
An enterostomic pouch having at least front and backwalls defining a fecal chamber there between, the improvement comprising: said front wall being substantially opaque, and said backwall having a stoma-receiving opening defined therein: a transparent window located in the front wall, said window being substantially opposite said stoma-receiving opening so that said opening is viewable directly therethrough; and wherein at least the front wall is formed of a transparent vinyl material, said material being coated throughout its outer surface with an opaque material, and an area of said outer surface being free of the coating to result in said transparent window.
Claim 2
Dependent Claim 101 words
An enterostomic pouch having at least front and backwalls defining a fecal chamber there between, the improvement comprising: said front wall being substantially opaque, and said backwall having a stoma-receiving opening defined therein: a transparent window located in the front wall, said window being substantially opposite said stoma-receiving opening so that said opening is viewable directly therethrough; and wherein at least the front wall is formed of a transparent vinyl material, said material being coated throughout its outer surface with an opaque material, and an area of said outer surface being free of the coating to result in said transparent window.
Claim 3
Dependent Claim 37 words
An enterostomic pouch as in claim 1, and opaque covering means on said front wall to removably cover said transparent window to obscure from view said window and stoma-receiving opening and to uncover the same for viewing.
Claim 4
Dependent Claim 102 words
An enterostomic pouch having at least front and backwalls defining a fecal chamber therebetween, the improvement comprising: said front wall being substantially opaque, and said backwall having a stoma-receiving opening defined therein: a transparent window located in the front wall, said window being substantially opposite said stoma-receiving opening so that said opening is viewable directly therethrough; and wherein the substantially opaque front wall is formed of a substantially opaque vinyl material having an aperture defined therethrough, and a piece of transparent vinyl material bonded to said front wall covering said aperture to form a fluid tight transparent window in said front wall.
Claim 5
Dependent Claim 102 words
An enterostomic pouch having at least front and backwalls defining a fecal chamber therebetween, the improvement comprising: said front wall being substantially opaque, and said backwall having a stoma-receiving opening defined therein: a transparent window located in the front wall, said window being substantially opposite said stoma-receiving opening so that said opening is viewable directly therethrough; and wherein the substantially opaque front wall is formed of a substantially opaque vinyl material having an aperture defined therethrough, and a piece of transparent vinyl material bonded to said front wall covering said aperture to form a fluid tight transparent window in said front wall.
Claim 6
Dependent Claim 38 words
An enterostomic pouch as in claim 3, and opaque covering means on said front wall to removably cover said transparent window to obscure the view from said window and stoma-receiving opening and to uncover the same for viewing.
Claim 7
Dependent Claim 72 words
An enterostomic pouch comprising: a chamber having at least front and backwalls, at least the front wall being opaque and the backwall having a stoma-receiving opening therethrough wherein the improvement comprises; said front wall having a transparent window, said stoma-receiving opening being located in said backwall such that the same is viewable through said window; and means on said front wall for obscuring said transparent window and said stoma-receiving opening from view.
Claim 8
Dependent Claim 72 words
An enterostomic pouch comprising: a chamber having at least front and backwalls, at least the front wall being opaque and the backwall having a stoma-receiving opening therethrough wherein the improvement comprises; said front wall having a transparent window, said stoma-receiving opening being located in said backwall such that the same is viewable through said window; and means on said front wall for obscuring said transparent window and said stoma-receiving opening from view.
Claim 9
Dependent Claim 45 words
An enterostomic pouch as in claim 5, wherein the means for obscuring said transparent window comprises an opaque member having an adhesive backing whereby said patch may be positioned to cover and uncover said window, and to be secured in place when covering said window.
Claim 10
Dependent Claim 45 words
An enterostomic pouch as in claim 5, wherein the means for obscuring said transparent window comprises an opaque covering flap, at least one end of which is secured to the front wall and positioned on said front wall to hang in front said said window.
Claim 11
Dependent Claim 23 words
An enterostomic pouch as in claim 6, said means for obscuring said transparent window being of the same color as said front wall.
Claim 12
Dependent Claim 23 words
An enterostomic pouch as in claim 7, said means for obscuring said transparent window being of the same color as said front wall.

References Cited (Backward Citations)

US2299431A Cited
US2788785A Cited
US2973759A Cited
US2928393A Cited
US3089493A Cited
US3055368A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-03-15 1974-09-14 1975-03-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-15 1978-09-14 1979-03-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-15 1982-09-14 1983-03-16 $7700.00 Window Closed / Lapsed

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