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US4807644A Expired / Lapsed US ⏱️ 0.0 years remaining

Temperature-regulating surgical drape

Assignee: Vastech Medical Products Inc
•
Filing: 1987-02-12
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Granted: 1989-02-28
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Expires: 2007-02-12
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Abstract

Abstract Temperature regulating surgical drapes are disclosed for use in conducting surgical procedures including a drape body with an opening adapted to expose only the specific body portion during surgery and including heat generating or cooling elements affixed to the drape at a localized position surrounding the opening to maintain that body portion at a specified temperature during surgery.

Inventors

  • 👤 Jeffrey J. Sandhaus

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 10:11
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/10; A61F7/106; A61B; A61B46/00; A61B46/20; A61B2046/205; A61F2007/0001; A61F2007/0048; A61F2007/0086; A61F7/02; A61F2007/0268; A61F2007/0276; A61F2007/101

Claims Analysis

Total Claims: 32
Claim 1
Independent Claim 77 words
A temperature-regulating surgical drape for use in conducting surgical procedures on a predetermined body portion of a patient comprising a substantially planar drape body including an opening adapted to expose only said predetermined body portion during said surgical procedure, and means for generating heat affixed to said drape body at a localised predetermined location surrounding at least a portion of said opening for maintaining said predetermined body portion at a predetermined elevated temperature during said surgical procedure.
Claim 2
Dependent Claim 77 words
A temperature-regulating surgical drape for use in conducting surgical procedures on a predetermined body portion of a patient comprising a substantially planar drape body including an opening adapted to expose only said predetermined body portion during said surgical procedure, and means for generating heat affixed to said drape body at a localised predetermined location surrounding at least a portion of said opening for maintaining said predetermined body portion at a predetermined elevated temperature during said surgical procedure.
Claim 3
Dependent Claim 14 words
The temperature-regulating surgical drape of claim 1 wherein said opening comprises a circular opening.
Claim 4
Dependent Claim 22 words
The temperature-regulating surgical drape of claim 2 wherein said portion of said opening comprises approximately a 180° portion about said circular opening.
Claim 5
Dependent Claim 34 words
The temperature-regulating surgical drape of claim 1 wherein said drape body comprises a first layer and a second layer, and wherein said means for generating heat is disposed between said first and second layers.
Claim 6
Dependent Claim 37 words
The temperature-regulating surgical drape of claim 1 wherein said means for generating heat comprises a plurality of chemical reactants adapted to maintain said body portion at said predetermined temperature by reacting with each other upon their admixture.
Claim 7
Dependent Claim 50 words
The temperature-regulating surgical drape of claim 1 wherein said drape body includes an upper surface and a lower surface, said lower surface including adhesive means located adjacent to said opening for maintaining a body portion other than said predetermined body portion in position below said drape during said surgical procedure.
Claim 8
Dependent Claim 42 words
The temperature-regulating surgical drape of claim 6 wherein said adhesive portion comprises a first adhesive portion, wherein said bottom surface of said drape body includes a second adhesive portion for adhesively securing said surgical drape to said body during said surgical procedure.
Claim 9
Dependent Claim 96 words
A temperature-regulating surgical drape for use in conducting surgical procedures on the male scrotum comprising a drape body including an opening adapted to expose only said male scrotum while covering the remainder of said body including the penis during said surgical procedure, and means for generating heat affixed to said drape body at a localized predetermined location surrounding at least a portion of said opening so as to be disposed in contact with said male scrotum during said surgical procedure and thereby selectively maintaining said male scrotum at a predetermined elevated temperature during said surgical procedure.
Claim 10
Dependent Claim 96 words
A temperature-regulating surgical drape for use in conducting surgical procedures on the male scrotum comprising a drape body including an opening adapted to expose only said male scrotum while covering the remainder of said body including the penis during said surgical procedure, and means for generating heat affixed to said drape body at a localized predetermined location surrounding at least a portion of said opening so as to be disposed in contact with said male scrotum during said surgical procedure and thereby selectively maintaining said male scrotum at a predetermined elevated temperature during said surgical procedure.
Claim 11
Dependent Claim 14 words
The temperature-regulating surgical drape of claim 8 wherein said opening comprises a circular opening.
Claim 12
Dependent Claim 30 words
The temperature-regulating surgical drape of claim 9 wherein said means for generating heat is disposed circumferentially around a portion of said circular opening extending approximately 180° about said circular opening.
Claim 13
Dependent Claim 34 words
The temperature-regulating surgical drape of claim 8 wherein said drape body comprises a first layer and a second layer, and wherein said means for generating heat is disposed between said first and second layers.
Claim 14
Dependent Claim 49 words
The temperature-regulating surgical drape of claim 8 wherein said drape body includes an upper surface and a lower surface, and including adhesive means on said lower surface of said drape body adjacent to said opening so as to maintain said penis in a fixed position during said surgical procedure.
Claim 15
Dependent Claim 44 words
The temperature-regulating surgical drape of claim 12 wherein said adhesive means comprises first adhesive means, and including a second adhesive means on said lower surface of said drape for maintaining said surgical drape in position with respect to said body during said surgical procedure.
Claim 16
Dependent Claim 22 words
The temperature-regulating surgical drape of claim 8 including activation means for selectively activating said means for generating heat during said surgical procedure.
Claim 17
Dependent Claim 76 words
A temperature-regulating surgical drape for use in conducting surgical procedures on a predetermined body portion of a patient comprising a substantially planar drape body including an opening adapted to expose only said predetermined body portion during said surgical procedure, and means for cooling affixed to said drape body at a localized predetermined location surrounding at least a portion of said opening for maintaining said predetermined body portion at a predetermined reduced temperature during said surgical procedure.
Claim 18
Dependent Claim 76 words
A temperature-regulating surgical drape for use in conducting surgical procedures on a predetermined body portion of a patient comprising a substantially planar drape body including an opening adapted to expose only said predetermined body portion during said surgical procedure, and means for cooling affixed to said drape body at a localized predetermined location surrounding at least a portion of said opening for maintaining said predetermined body portion at a predetermined reduced temperature during said surgical procedure.
Claim 19
Dependent Claim 28 words
The temperature-regulating surgical drape of claim 22 wherein said opening comprises a circular opening, and wherein said means for cooling surrounds at least a portion of said opening.
Claim 20
Dependent Claim 22 words
The temperature-regulating surgical drape of claim 23 wherein said portion of said opening comprises approximately a 180° portion about said circular opening.
Claim 21
Dependent Claim 33 words
The temperature-regulating surgical drape of claim 15 wherein said drape body comprises a first layer and a second layer, and wherein said means for cooling is disposed between said first and second layers.
Claim 22
Dependent Claim 37 words
The temperature-regulating surgical drape of claim 15 wherein said means for cooling comprises a plurality of chemical reactants adapted to maintain said body portion at said predetermined reduced temperature by reacting with each other upon their admixture.
Claim 23
Dependent Claim 50 words
The temperature-regulating surgical drape of claim 15 wherein said drape body includes an upper surface and a lower surface, said lower surface including adhesive means located adjacent to said opening for maintaining a body portion other than said predetermined body portion in position below said drape during said surgical procedure.
Claim 24
Dependent Claim 43 words
The temperature-regulating surgical drape of claim 20 wherein said adhesive portion comprises a first adhesive portion, and wherein said bottom surface of said drape body includes a second adhesive portion for adhesively securing said surgical drape to said body during said surgical portion.
Claim 25
Dependent Claim 95 words
A temperature-regulating surgical drape for use in conducting surgical procedure on the male scrotum comprising a drape body including an opening adapted to expose only said male scrotum while covering the remainder of said body including the penis during said surgical procedure, and means for cooling affixed to said drape body at a localized predetermined location surrounding at least a portion of said opening so as to be disposed in contact with said male scrotum during said surgical procedure and thereby selectively maintaining said male scrotum at a predetermined reduced temperature during said surgical procedure.
Claim 26
Dependent Claim 95 words
A temperature-regulating surgical drape for use in conducting surgical procedure on the male scrotum comprising a drape body including an opening adapted to expose only said male scrotum while covering the remainder of said body including the penis during said surgical procedure, and means for cooling affixed to said drape body at a localized predetermined location surrounding at least a portion of said opening so as to be disposed in contact with said male scrotum during said surgical procedure and thereby selectively maintaining said male scrotum at a predetermined reduced temperature during said surgical procedure.
Claim 27
Dependent Claim 14 words
The temperature-regulating surgical drape of claim 22 wherein said opening comprises a circular opening.
Claim 28
Dependent Claim 29 words
The temperature-regulating surgical drape of claim 23 wherein said means for cooling is disposed circumferentially around a portion of said circular opening extending approximately 180° about said circular opening.
Claim 29
Dependent Claim 33 words
The temperature-regulating surgical drape of claim 22 wherein said drape body comprises a first layer and a second layer, and wherein said means for cooling is disposed between said first and second layers.
Claim 30
Dependent Claim 49 words
The temperature-regulating surgical drape of claim 22 wherein said drape body includes an upper surface and a lower surface, and including adhesive means on said lower surface of said drape body adjacent to said opening so as to maintain said penis in a fixed position during said surgical procedure.
Claim 31
Dependent Claim 43 words
The temperature-regulating drape of claim 26 wherein said adhesive means comprises first adhesive means, and including a second adhesive means on said lower surface of said drape for maintaining said surgical drape in position with respect to said body during said surgical procedure.
Claim 32
Dependent Claim 21 words
The temperature-regulating surgical drape of claim 22 including activation means for selectively activating said means for cooling during said surgical procedure.

References Cited (Backward Citations)

US3175558A Cited
US3763857A Cited
US3951127A Cited
US4316456A Cited
US4413624A Cited
US4573447A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-02-28 1992-08-29 1993-02-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-02-28 1996-08-29 1997-02-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-02-28 2000-08-29 2001-02-28 $7700.00 Window Closed / Lapsed

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