US5720714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Padding
Assignee: BSN Medical Inc
•
Filing: 1994-11-03
•
Granted: 1998-02-24
•
Expires: 2014-11-03
Abstract
Abstract There are described padding materials comprising a first moisture vapor permeable film layer and a second moisture vapor permeable film layer with air bubbles spaced therebetween. The air bubbles may optionally contain foam pips. Methods of preparation and uses of the padding materials are also described.
Inventors
- 👤 Jane Edith Penrose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:54
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/02; A61F13/023; B; B32; B32B; B32B3/00; B32B3/26; B32B3/30; A61F13/04; A61F13/041; B32B3/10; B32B3/12; A61F2013/00089; A61F2013/00272; A61F2013/00361; A61F2013/00544; A61F2013/00604; A61F2013/00855; A61F2013/00868; B32B2305/00; B32B2305/02; B32B2305/026; B32B2305/38; B32B2307/00; B32B2307/70; B32B2307/724; B32B2307/73; B32B2437/00
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
36 words
A padding material comprising a first moisture vapour permeable film layer and a second moisture vapour permeable film layer wherein a plurality of discrete empty air bubbles are spaced between the first and second film layers.
Claim 2
Dependent Claim
36 words
A padding material comprising a first moisture vapour permeable film layer and a second moisture vapour permeable film layer wherein a plurality of discrete empty air bubbles are spaced between the first and second film layers.
Claim 3
Dependent Claim
18 words
A padding according to clam 1 wherein the air bubbles are from 0.5 to 2.0 cm in diameter.
Claim 4
Dependent Claim
18 words
A padding according to clam 1 wherein the air bubbles are from 0.5 to 2.0 cm in diameter.
Claim 5
Dependent Claim
20 words
A padding material according to claim 1 wherein the thickness of the air bubbles is from 1 to 10 mm.
Claim 6
Dependent Claim
55 words
A padding material comprising a first moisture vapour permeable film layer and a second moisture vapour permeable film layer, a plurality of discrete air bubbles spaced between the first and second film layers and a plurality of discrete foam pips each of said foam pip being located in but not filling a respective air bubble.
Claim 7
Dependent Claim
55 words
A padding material comprising a first moisture vapour permeable film layer and a second moisture vapour permeable film layer, a plurality of discrete air bubbles spaced between the first and second film layers and a plurality of discrete foam pips each of said foam pip being located in but not filling a respective air bubble.
Claim 8
Dependent Claim
41 words
A padding material comprising a water impermeable moisture vapour permeable film layer, an apertured moisture vapour permeable film layer and an intermediate adhesive layer and a plurality of discrete foam islands sandwiched between the apertured film layer and the adhesive layer.
Claim 9
Dependent Claim
41 words
A padding material comprising a water impermeable moisture vapour permeable film layer, an apertured moisture vapour permeable film layer and an intermediate adhesive layer and a plurality of discrete foam islands sandwiched between the apertured film layer and the adhesive layer.
Claim 10
Dependent Claim
14 words
A padding material according to claim 5 wherein the apertured film is a net.
Claim 11
Dependent Claim
14 words
A padding material according to claims 5 or 6 wherein the foam is hydrophobic.
Claim 12
Dependent Claim
30 words
A padding material according to claim 5 wherein the discrete foam islands are adapted to substantially interlock with adjacent foam islands when the padding is wrapped around a patient's limb.
Claim 13
Independent Claim
89 words
A method of manufacturing a padding material comprising a first moisture vapour permeable film layer, a second moisture vapour permeable film layer, and a plurality of discrete foam pips spaced between said films, which method comprises: (i) casting a moisture vapour permeable film onto a support layer; (ii) coating the moisture vapour permeable film with an adhesive; (iii) laying a plurality of discrete foam pips onto the adhesive layer; (iv) laying a second film onto the adhesive layer; and (v) laminating the first film and the second film together.
Claim 14
Independent Claim
89 words
A method of manufacturing a padding material comprising a first moisture vapour permeable film layer, a second moisture vapour permeable film layer, and a plurality of discrete foam pips spaced between said films, which method comprises: (i) casting a moisture vapour permeable film onto a support layer; (ii) coating the moisture vapour permeable film with an adhesive; (iii) laying a plurality of discrete foam pips onto the adhesive layer; (iv) laying a second film onto the adhesive layer; and (v) laminating the first film and the second film together.
Claim 15
Independent Claim
34 words
A method of treatment of a fracture of a body portion which comprises applying a layer of undercast padding material according to claims 1, 4 or 5 followed by applying a hardenable casting material.
Claim 16
Dependent Claim
19 words
A kit comprising a padding material as claimed in claims 1, 4 or 5 and an orthopaedic casting tape.
Claim 17
Dependent Claim
16 words
A kit according to claim 11 wherein said casting material comprises a resin coated casting tape.
Claim 18
Dependent Claim
14 words
A kit according to claim 12 wherein said resin coated casting tape is water-hardenable.
References Cited (Backward Citations)
US5445604A
Cited
US4516572A
Cited
WO1986007533A1
Cited
EP0397999A1
Cited
US5364339A
Cited
WO1995003018A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-02-23 | 2001-08-25 | 2002-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-02-23 | 2005-08-25 | 2006-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-02-23 | 2009-08-25 | 2010-02-24 | $7700.00 | Window Closed / Lapsed |