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US4169472A Expired / Lapsed US ⏱️ 0.0 years remaining

Surgical drape

Assignee: Johnson and Johnson
•
Filing: 1978-04-17
•
Granted: 1979-10-02
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Expires: 1998-04-17
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Abstract

Abstract A surgical drape comprising a main sheet, a liquid impervious bag for collecting liquids such as blood and saline, and means for channeling liquids into the bag for storage. In a preferred embodiment the bag also includes a liquid pervious retainer means for holding articles such as sponges which are to be counted when the surgical procedure is finished. Optionally, the drape may have a reinforcing panel or a fenestration or both. The fenestration may be covered with a closure means, such as a thin film, which carries adhesive on its bottom surface.

Inventors

  • 👤 Henrietta K. Morris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:01
CPC Classifications
A; A61; A61B; A61B46/00; A61B46/20; A61B46/23; A61B2046/205; A61B2046/236

Claims Analysis

Total Claims: 21
Claim 1
Independent Claim 183 words
A surgical drape comprising a main sheet of generally flexible drapable material, a liquid impervious bag means, and a pair of spaced apart strips of material; said main sheet comprising an upper surface, a lower surface, a bottom edge and a pair of opposed side edges; said bag means comprising a front cover sheet, a back cover sheet, an open end and a closed end and being secured to the upper surface of said main sheet; said strips of material being secured to the upper surface of said main sheet and having flap portions which are free of attachment to said main sheet, the respective bottom ends of said strips of material being located in the open end of said bag means, the lower surface of the bottom ends of said flap portions being secured to the lower surface of the front cover sheet of said bag means, whereby, when said drape is in use, said flap portions may be raised at an angle to the upper surface of said main sheet to provide means for channeling liquids into said bag for storage.
Claim 2
Dependent Claim 183 words
A surgical drape comprising a main sheet of generally flexible drapable material, a liquid impervious bag means, and a pair of spaced apart strips of material; said main sheet comprising an upper surface, a lower surface, a bottom edge and a pair of opposed side edges; said bag means comprising a front cover sheet, a back cover sheet, an open end and a closed end and being secured to the upper surface of said main sheet; said strips of material being secured to the upper surface of said main sheet and having flap portions which are free of attachment to said main sheet, the respective bottom ends of said strips of material being located in the open end of said bag means, the lower surface of the bottom ends of said flap portions being secured to the lower surface of the front cover sheet of said bag means, whereby, when said drape is in use, said flap portions may be raised at an angle to the upper surface of said main sheet to provide means for channeling liquids into said bag for storage.
Claim 3
Dependent Claim 28 words
A surgical drape according to claim 1 wherein said main sheet comprises a material selected from the group consisting of nonwoven fabrics, scrim reinforced tissue, and plastic film.
Claim 4
Dependent Claim 32 words
A surgical drape according to claim 1 wherein the upper surface of said strips of material comprise a liquid absorbent nonwoven fabric and the lower surface comprises a liquid impervious plastic film.
Claim 5
Dependent Claim 16 words
A surgical drape according to claim 1 wherein said liquid impervious bag means comprises a plastic.
Claim 6
Dependent Claim 28 words
A surgical drape according to claim 1 wherein said liquid impervious bag means further comprises a liquid pervious retainer means secured to the inside of said bag means.
Claim 7
Dependent Claim 30 words
A surgical drape according to claim 5 wherein said liquid pervious retainer means comprises a perforated plastic film and is located relatively near the open end of said bag means.
Claim 8
Dependent Claim 26 words
A surgical drape according to claim 5 wherein said liquid pervious retainer means comprises a material selected from the group consisting of gauze and plastic netting.
Claim 9
Dependent Claim 71 words
A surgical drape according to claim 1 wherein said main sheet and said bag means comprise a plastic, said strips of material having an upper surface comprising a liquid absorbent nonwoven fabric and a lower surface comprising a liquid impervious plastic film, said bag means further including a liquid pervious retainer means which is located relatively near the open end of the bag means and which comprises a perforated plastic film.
Claim 10
Dependent Claim 223 words
A surgical drape comprising a main sheet of generally flexible drapable material, a reinforcing panel, and a liquid impervious bag means; said main sheet comprising an upper surface, a lower surface, a bottom edge and a pair of opposed side edges; said reinforcing panel being secured to the upper surface of said main sheet; said reinforcing panel comprising a top edge, a bottom edge, a pair of opposed side edges, and flap portions adjacent each of its side edges; said flap portions having respective bottom ends and being free of attachment to said main sheet; said bag means comprising a front cover sheet, a back cover sheet, an open end and a closed end; said bag means being secured to the upper surface of said main sheet along a line of attachment which is generally parallel to the bottom edge of said main sheet; the respective bottom ends of said flap portions being located in the open end of said bag means, the lower surface of the bottom ends of said flap portions being secured to the lower surface of the front cover sheet of said bag means, whereby, when said drape is in use, said flap portions may be raised at an angle to the upper surface of said main sheet to provide means for channeling liquids into said bag for storage.
Claim 11
Dependent Claim 223 words
A surgical drape comprising a main sheet of generally flexible drapable material, a reinforcing panel, and a liquid impervious bag means; said main sheet comprising an upper surface, a lower surface, a bottom edge and a pair of opposed side edges; said reinforcing panel being secured to the upper surface of said main sheet; said reinforcing panel comprising a top edge, a bottom edge, a pair of opposed side edges, and flap portions adjacent each of its side edges; said flap portions having respective bottom ends and being free of attachment to said main sheet; said bag means comprising a front cover sheet, a back cover sheet, an open end and a closed end; said bag means being secured to the upper surface of said main sheet along a line of attachment which is generally parallel to the bottom edge of said main sheet; the respective bottom ends of said flap portions being located in the open end of said bag means, the lower surface of the bottom ends of said flap portions being secured to the lower surface of the front cover sheet of said bag means, whereby, when said drape is in use, said flap portions may be raised at an angle to the upper surface of said main sheet to provide means for channeling liquids into said bag for storage.
Claim 12
Dependent Claim 63 words
A surgical drape according to claim 9 wherein said main sheet and said bag means comprise a plastic, said reinforcing panel having an upper surface comprising a liquid absorbent nonwover fabric and a lower surface comprising a liquid impervious plastic film, said bag means further including a liquid pervious retainer means which is located relatively near the open end of the bag means.
Claim 13
Dependent Claim 29 words
A surgical drape according to claim 10 wherein said liquid pervious retainer means comprises a material selected from the group consisting of perforated plastic film, gauze, and plastic netting.
Claim 14
Dependent Claim 244 words
A surgical drape comprising a main sheet of generally flexible drapable material, a reinforcing panel, and a liquid impervious bag means; said main sheet comprising an upper surface, a lower surface, a bottom edge and a pair of opposed side edges; said main sheet having a fenestration located inwardly of the perimeter of said main sheet; said reinforcing panel being secured to the upper surface of said main sheet in the region adjacent said fenestration; said reinforcing panel comprising a top edge, a bottom edge, a pair of opposed side edges, and flap portions adjacent each of its side edges; said flap portions having respective bottom ends and being free of attachment to said main sheet; said bag means comprising a front cover sheet, a back cover sheet, an open end and a closed end; said bag means being secured to the upper surface of said main sheet along a line of attachment which is generally parallel to the bottom edge of said main sheet; the respective bottom ends of said flap portions being located in the open end of said bag means, the lower surface of the bottom ends of said flap portions being secured to the lower surface of the front cover sheet of said bag means, whereby, when said drape is in use, said flap portions may be raised at an angle to the upper surface of said main sheet to provide means for channeling liquids into said bag for storage.
Claim 15
Dependent Claim 244 words
A surgical drape comprising a main sheet of generally flexible drapable material, a reinforcing panel, and a liquid impervious bag means; said main sheet comprising an upper surface, a lower surface, a bottom edge and a pair of opposed side edges; said main sheet having a fenestration located inwardly of the perimeter of said main sheet; said reinforcing panel being secured to the upper surface of said main sheet in the region adjacent said fenestration; said reinforcing panel comprising a top edge, a bottom edge, a pair of opposed side edges, and flap portions adjacent each of its side edges; said flap portions having respective bottom ends and being free of attachment to said main sheet; said bag means comprising a front cover sheet, a back cover sheet, an open end and a closed end; said bag means being secured to the upper surface of said main sheet along a line of attachment which is generally parallel to the bottom edge of said main sheet; the respective bottom ends of said flap portions being located in the open end of said bag means, the lower surface of the bottom ends of said flap portions being secured to the lower surface of the front cover sheet of said bag means, whereby, when said drape is in use, said flap portions may be raised at an angle to the upper surface of said main sheet to provide means for channeling liquids into said bag for storage.
Claim 16
Dependent Claim 40 words
A surgical drape according to claim 12 wherein said fenestration is covered with a closure means comprising a plastic film, said closure means having an adhesive on its lower surface within the area defined by the periphery of said fenestration.
Claim 17
Dependent Claim 63 words
A surgical drape according to claim 12 wherein said main sheet and said bag means comprise a plastic, said reinforcing panel having an upper surface comprising a liquid absorbent nonwoven fabric and a lower surface comprising a liquid impervious plastic film, said bag means further including a liquid purvious retainer means which is located relatively near the open end of the bag means.
Claim 18
Dependent Claim 29 words
A surgical drape according to claim 14 wherein said liquid pervious retainer means comprises a material selected from the group consisting of perforated plastic film, gauze, and plastic netting.
Claim 19
Dependent Claim 18 words
A surgical drape according to claim 14 wherein said liquid pervious retainer means comprises a perforated plastic film.
Claim 20
Dependent Claim 28 words
A surgical drape according to claim 16 wherein said adhesive on said closure means is protected, prior to use of the drape, by a removably adhered release covering.
Claim 21
Dependent Claim 20 words
A surgical drape according to claim 17 which is folded into a compact unit and packaged in a sterile condition.

References Cited (Backward Citations)

US3364928A Cited
US3452750A Cited
US3791382A Cited
US3882859A Cited
US3945048A Cited
US4089331A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-10-01 1983-04-02 1983-10-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-10-01 1987-04-02 1987-10-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-10-01 1991-04-02 1991-10-02 $7700.00 Window Closed / Lapsed

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