US20010027285A1 - Absorbent pad dressing frame delivery system - Google Patents
Absorbent pad dressing frame delivery system Download PDFInfo
- Publication number
- US20010027285A1 US20010027285A1 US09/875,827 US87582701A US2001027285A1 US 20010027285 A1 US20010027285 A1 US 20010027285A1 US 87582701 A US87582701 A US 87582701A US 2001027285 A1 US2001027285 A1 US 2001027285A1
- Authority
- US
- United States
- Prior art keywords
- backing
- frame
- absorbent pad
- dressing
- delivery system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002745 absorbent Effects 0.000 title claims abstract description 87
- 239000002250 absorbent Substances 0.000 title claims abstract description 87
- 239000000853 adhesive Substances 0.000 claims abstract description 37
- 230000001070 adhesive effect Effects 0.000 claims abstract description 37
- 239000000416 hydrocolloid Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000000017 hydrogel Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims 1
- 239000006260 foam Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 21
- 239000010408 film Substances 0.000 description 18
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 17
- 239000002131 composite material Substances 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 229920001296 polysiloxane Polymers 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 6
- 239000000123 paper Substances 0.000 description 6
- 239000012876 carrier material Substances 0.000 description 5
- 239000004005 microsphere Substances 0.000 description 5
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000002655 kraft paper Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 108010010803 Gelatin Proteins 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 229920002367 Polyisobutene Polymers 0.000 description 2
- 239000004599 antimicrobial Substances 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000001814 pectin Substances 0.000 description 2
- 229920001277 pectin Polymers 0.000 description 2
- 235000010987 pectin Nutrition 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920002785 Croscarmellose sodium Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 229920002614 Polyether block amide Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 229920006322 acrylamide copolymer Polymers 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010227 cup method (microbiological evaluation) Methods 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 230000000774 hypoallergenic effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229940119073 medicated pad Drugs 0.000 description 1
- RFJIPESEZTVQHZ-UHFFFAOYSA-N oxirane;prop-2-enoic acid Chemical compound C1CO1.OC(=O)C=C RFJIPESEZTVQHZ-UHFFFAOYSA-N 0.000 description 1
- 239000010702 perfluoropolyether Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000013271 transdermal drug delivery Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive bandages or dressings
- A61F13/0203—Adhesive bandages or dressings with fluid retention members
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive bandages or dressings
- A61F13/023—Adhesive bandages or dressings wound covering film layers without a fluid retention layer
Definitions
- the invention relates to wound dressings, and more particularly to a thin film composite dressing with an absorbent pad and a frame delivery system for the dressing.
- Hydrocolloid adhesive compositions that are formed as wound dressings have been known for many years.
- these compositions comprise a blend of a polymer matrix, such as a rubbery elastomer like polyisobutylene, in combination with one or more water-soluble or water-swellable hydrocolloids, such as a dry powdered mixture of pectin, gelatin and carboxymethylcellulose.
- the adhesive composition is usually coated on at least one surface of a water-insoluble film to form a relatively thick, heavy wound dressing.
- hydrocolloid wound dressings include “DUODERMTM” and “DUODERMTM EXTRA-THIN” wound dressing (a product of Convatec; Squibb and Sons, Inc., Princeton, N. J.; believed to be a KRATONTM-based composition); TEGASORBTM wound dressing (a product of Minnesota Mining and Manufacturing Company, St.
- the delivery system for most of the above examples provide a simple release liner to protect the tacky hydrocolloid surface.
- One exception to this class is the TEGASORBTM wound dressing.
- This product has a thin, adhesive coated polymeric backing extended beyond the edges of the absorbent hydrocolloid pad to form a border that will adhere to the skin and provide barrier to outside contamination as well as keep wound fluid contained providing for a longer wear time.
- TegadermTM transparent dressings a product of Minnesota Mining and Manufacturing Company, St. Paul, Minn.
- the TegadermTM dressing comprises a thin polyurethane with an adhesive on one surface and a carrier or frame that facilitates application.
- the TegadermTM trransparent dressing does not include a hydrocolloid or absorbent pad. See, also, U.S. Pat. No. 5,531,855.
- PCT Patent Publication No. WO 98/00080 shows the combination of a package and a medical adhesive composite, such as a dressing. See, also, U.S. Design Pat. Nos. 408,541; 409,754 and 410,087 and U.S. Patent No. (U.S. Ser. No.: 08/887,523, filed Jul. 2, 1997), which are incorporated herein by reference.
- the invention provides an absorbent dressing and delivery system that facilitates handling the extremely thin, flexible film border of the dressing during delivery to prevent wrinkling and adhering the film of the dressing to itself, which otherwise would interfere with the smooth, aseptic application of the dressing to a patient's skin.
- the island dressing composite of the invention provides a carrier delivered dressing having a conformable backing with a pressure sensitive adhesive coated on a bottom and a absorbent pad positioned on the adhesive, and which is supported by a removable carrier attached to the top face of the backing.
- the present invention overcomes the problems discussed above by securing the carrier to the top face of the backing with an overlapping form.
- the method and apparatus of the present invention provide such a carrier delivered dressing in which the window is optionally removed prior to use by the consumer, thereby minimizing the steps necessary to apply the dressings and reducing the waste stream at the consumer level.
- the present invention provides an adhesive composite dressing comprising: (a) a conformable backing having top and bottom faces; (b) a pressure sensitive adhesive coated on at least a portion of the bottom face of the backing; (c) a absorbent or medicated pad primarily in the center portion; (d) a liner releasably adhered to the pressure sensitive adhesive opposite the backing; and (e) a carrier releasably attached to and covering at least a portion of the top face of the backing, the carrier being nonpermanently attached to the backing and a cut in the carrier substantially defining a window proximate a center of the carrier and overlapping at least a portion of the pad, the carrier further being formed of material substantially more rigid than the backing to provide rigidity to the adhesive composite.
- the composite dressing may also include an optional low adhesion coating on the top face of the backing, in between the carrier and the top face of the backing.
- FIG. 1 is a top plan view of a preferred embodiment of the absorbent pad dressing and delivery system according to the invention
- FIG. 2 is a bottom plan view of the dressing and delivery system of FIG. 1;
- FIG. 3 is a side schematic view of the dressing of FIGS. 1 and 2 taken substantially along line 3 - 3 of FIG. 1;
- FIG. 4 is a top plan view of an alternate preferred embodiment of the absorbent pad dressing and delivery system according to the invention.
- FIG. 5 is a perspective, exploded view of another alternate preferred embodiment of the absorbent pad dressing and delivery system according to the invention.
- FIGS. 1 - 3 depict a preferred embodiment of the absorbent pad dressing and delivery system designated in its entirety by the reference numeral 10 .
- the delivery system of this invention is particularly useful in connection with a dressing in which a relatively heavy or stiff absorbent pad 12 is positioned on a conformable backing 14 that is light and flexible relative to the pad 12 .
- both of the absorbent pad 12 and the backing 14 have a generally kidney-shape or outline, and are particularly designed for use a sacral dressing, although the invention is not limited to this shape or to sacral dressings.
- the preferred backing 14 is a transparent or translucent elastic film.
- a pressure sensitive adhesive (PSA) 16 is provided on along one major surface 18 of the backing 14
- a low adhesion coating (low adhesion backsize or LAB) 20 is provided on the other major surface 22 of the backing 14 .
- a description of a preferred low adhesion coating for use with the present invention can be found in U.S. Pat. Nos. 5,531,855 (Example 1), which is compatible with a heat seal bond described below.
- the low adhesion coating 20 reduces dressing changes due to unwanted dressing removal when other tapes or devices are placed on the dressing 10 and removed, and reduces the surface friction of the dressing 10 on linen or other fabrics, thereby offering additional protection against the accidental removal of dressing 10
- Major surface 18 is sometimes referred to as the “bottom face” or “first major surface” of the backing 14
- major surface 22 is sometimes referred to as the “top face” or “second major surface” of the backing 14 .
- a release liner 24 is attached to the exposed surface of pressure-sensitive adhesive 16 on the bottom face 18 of the backing 14 .
- the release liner 24 covers the PSA until the consumer is ready to apply the dressing 10 .
- the release liner 24 may be a single piece or multiple piece release liner, and may be part of or laminated to the package (not shown) containing the dressing, or merely enclosed along with the dressing 10 within the package.
- the absorbent pad 12 of this dressing 10 is sometimes referred to as an “island pad” because the backing 14 extends substantially beyond the absorbent pad 12 , typically beyond the entire periphery of the pad 12 .
- the length and width of the backing could be 16.1 cm ⁇ 21.9 cm, and the length and width of the absorbent pad could be 12.3 cm ⁇ 13.9 cm.
- the pressure sensitive adhesive 16 on the peripheral portion of the backing 14 not covered by the island pad 12 may be adhered to the skin of a patient. This portion of the backing 14 is thus not supported or reinforced by the relatively heavy and stiff absorbent pad 12 , and absent the benefits of the invention would be difficult to handle without folding, wrinkling or otherwise adhering to itself rather than adhering to the skin.
- FIG. 2 is a bottom view of dressing 10 with the liner 24 removed to expose the adhesive layer 16 and absorbent pad 12 , which is disposed proximate the center of the dressing 10 .
- absorbent pad 12 is shown as centered on dressing 10 and as having a kidney-shape similar to, but smaller than, the backing 14 , it can take any appropriate shape and/or can be located off-center on the dressing 10 as desired.
- a carrier frame 26 is attached to the top face 22 of the backing 14 over the low adhesion coating 20 .
- the carrier frame 26 extends along substantially the entire periphery of the backing 14 and forms a window 28 exposing a portion of the backing 14 overlying the absorbent pad 12 with the backing 14 sandwiched between the frame 26 and absorbent pad 12 .
- a first piece can be said to “overlap” or “overlie” a second piece if it covers a portion of either the second piece, or a portion of some third piece that is covered along its opposite side by the second piece.
- one piece can “overlap” or “overlie” another piece even though separated by a third piece.
- the carrier frame 26 can “overlap” or “overlie” the absorbent pad 12 with the backing 14 positioned between the overlapped portions of the absorbent pad 12 and carrier 24 .
- the term “sandwiched” means that one layer is intermediate or between two other layers.
- the backing 14 may be considered an intermediate layer between the carrier frame 26 and the absorbent pad 12 , and thus is “sandwiched” between the frame 26 and absorbent pad 12 .
- Each of the carrier frame 26 and absorbent pad 12 are substantially more rigid than the backing 14 .
- the carrier frame 26 is preferably attached to the second major surface 22 of the backing 14 (over low adhesion coating 20 ) with a heat seal bond.
- the heat seal bond between the carrier frame 26 and the backing 14 is stronger than the bond between the pressure sensitive adhesive 16 and the release liner 24 so that the backing 14 remains attached to the carrier frame 26 when release liner 26 is removed from the dressing 10 .
- the carrier frame 26 has several nonlinear cuts or slits 30 , 32 , 34 and 36 , which may be controlled depth die cut so as not to cut the backing 14 . Any of the slits 30 , 32 , 34 or 36 provides a beginning point at which the carrier frame 26 may be lifted from backing 14 and peeled away.
- Several nonlinear slits 30 , 32 , 34 and 36 strategically positioned around the frame 26 allow for distinct sections of the carrier frame 26 to be removed without removing the other sections to aid in the delivery over body contours. It is also contemplated that a section of the frame could be removed to better conform to a catheter while the non-removed sections of the frame facilitate application of a dressing over the catheter.
- each slit 30 , 32 , 34 and 36 may be a linear, they are preferably nonlinear.
- Nonlinear slits 30 , 32 , 34 and 36 are believed to provide more support for the backing 14 and carrier 24 because nonlinear slits are less likely to allow the carrier 24 to fold at the slit or cut line as compared to linear cuts. If frame 26 folds along one or more of the slits 30 , 32 , 34 or 36 , the adhesive on the backing 214 will adhere to itself rendering the dressing 210 useless.
- the slits 30 , 32 , 34 and 36 are provided by generally sinusoidal cuts 30 , 32 , 34 and 36 as shown in FIGS. 1 and 2, although other nonlinear slits that tend to resist folding may also provide good service, such as zigzag, undulating, single or multiple tooth patterns or irregular or nonsymmetrical nonlinear slits.
- the frame 26 includes one or more tabs 38 and 40 extending beyond the perimeter of backing 14 to provide a means of removing the backing/frame/adhesive composite from the release liner 24 and applying the composite without contacting the adhesive 16 .
- two tabs 38 and 40 extend longitudinally outwardly from opposite ends of the frame 26 to provide a structure that can be gripped by fingers to peel the dressing from the release liner 24 .
- the release liner 24 includes two tabs 39 and 41 corresponding to the tabs 38 and 40 of the frame 26 so that one tab (e.g., 39 ) of the liner 24 and one tab (e.g., 38 ) of the frame 26 may be grasped to separate the dressing and frame from the release liner 24 .
- FIGS. 1 - 3 depict a preferred kidney-shaped dressing 10 , which is particularly designed to be a sacral dressing.
- the periphery 42 of preferred embodiment of the dressing 10 has a concave edge portion 44 , two minor convex edge portions 46 and 48 surrounding the concave edge portion 44 and a major convex edge portion 50 defining the edge of the dressing opposite the concave edge portion 44 .
- the minor convex edge portions 46 and 48 and concave edge portion 44 thus form one side edge of the frame 26 extending between the tabs 38 and 40
- the major edge portion 50 forms the opposite side edge of the frame extending between the tabs 38 and 40 .
- the opposite ends of the concave edge portion 44 may be considered as being defined approximately at the apex or pinnacle of each of the minor convex edge portions 46 and 48 .
- Such pinnacles are the point of inflection where the edge of the dressing starts to curve inwardly to form the concave edge portion 44 .
- the nadir of the concave edge portion 44 is the point of inflection of the concave edge portion 44 .
- the nadir of the concave edge portion 44 and the apex of the major convex edge portion 50 define a line of symmetry that bisects the frame 26 (and dressing 10 ) into two substantially mirror image parts.
- two of the slits 30 and 32 are arranged generally adjacent the opposite ends of the concave edge portion 38 to facilitate removal of the portions 46 and 48 of the frame adjacent the concave edge portion 38 , one slit 34 extending inwardly of the frame 26 from generally adjacent the nadir of the concave edge portion 38 , and one slit 36 extending inwardly of the frame 26 from generally adjacent the apex of the major convex edge portion.
- the arrangement is such that the slit 34 adjacent the nadir of the concave edge portion 38 and the slit 36 adjacent the apex of the major convex edge portion 50 extend substantially in directions along a common line (in the sense that nonlinear slits can be considered to define a direction).
- Slits 34 and 36 in FIG. 1 are depicted as each having the curve formed by a tab on one piece of the frame 26 and a concave edge on the adjacent piece receiving the tab. Most preferably, in this example, the tabs forming slits 34 and 36 extend toward opposite ends of the frame 26 .
- the window 28 may be cut (e.g., controlled depth die cut) from a carrier blank to form a carrier frame 24 having a window exposing a portion of the top surface of the backing 14 .
- the cut or window portion of the carrier blank may be either removed during manufacturing or by the consumer. Removal during manufacturing eliminates one step in the delivery process for previously known window style dressings and reduces the waste stream at the consumer level. Some customers, however, prefer that the portion of the carrier covering window 28 remains intact until the dressing 10 reaches the consumer.
- the absorbent pad 12 comprises a hydrocolloid and hydrogel pad 12 having a thickness of at least 1 mm (e.g., most preferably 3-9 mm), and the backing 14 comprises a transparent elastic polymeric film (e.g., urethane) having a thickness no greater than 0.1 mm (e.g., most preferably 0.021-0.051 mm). It will be appreciated that in this preferred embodiment the pad 12 is much thicker, stiffer and heavier than the film backing 14 .
- a transparent elastic polymeric film e.g., urethane
- FIG. 4 Features of the embodiment in FIG. 4 that are similar to the features of FIGS. 1 - 3 are designated by the same last two digits of the reference numbers but with the addition of “100”.
- FIG. 4 depicts an alternative preferred embodiment of the invention similar in some respects to the embodiment of FIGS. 1 - 3 except that (a) the carrier frame 126 overlaps only a portion of the absorbent pad 112 , and (b) a bridge 127 is provided on the frame 126 extending along the length of the dressing to provide additional support of the frame 126 by the absorbent pad 112 .
- a slit 137 may be provided across the bridge 127 to facilitate removing one side of the bridge and the adjacent frame portion before the other side of the bridge and its adjacent frame portion.
- the slit 137 may be linear or non-linear but is depicted as linear because it is believed that absorbent pad 112 provides sufficient support for this slit 137 to be linear.
- the slit 137 is shown as extending generally along a common line with the apex and nadir of the major convex edge portion 150 and concave edge portion 144 , but could be offset in either direction from this common line.
- the window 128 a and 128 b comprises two window portions 128 a and 128 b separated by the bridge 127 .
- FIG. 5 Features of the embodiment of FIG. 5 that are similar to the features of FIGS. 1 - 3 are designated by the same last two digits of the reference numbers but with the addition of “200”.
- FIG. 5 depicts a second alternative preferred embodiment of the invention similar in some respects to the embodiments of FIGS. 1 - 4 except that
- the absorbent pad 212 is only overlapped by the frame 226 along the opposite ends 213 a and 213 b of the absorbent pad, and across an intermediate portion of the absorbent pad 212 by a bridge 227 , thus providing portions of the windows 228 a and 228 b that do not overly the absorbent pad 212 ;
- the backing 214 has a generally rectangular shape with the corners cut off;
- the windows 228 a and 228 b are each generally rectangular shaped with longitudinal axes that a substantially parallel with one another and substantially perpendicular to the longitudinal axis of the frame 226 ;
- the absorbent pad 212 has a generally rectangular shape having a longitudinal axis substantially parallel with the longitudinal axis of the backing 214 but substantially perpendicular to the longitudinal axes of the windows 228 a and 228 b;
- slits 230 , 232 , 234 and 236 are provided along the long side edges of the carrier frame 226 , and are arranged in two sets of two slits ( 230 and 232 , 234 and 236 ) with each set of slits extending generally in the longitudinal direction of the windows (perpendicular to the longitudinal direction of the frame 226 );
- the carrier frame has an opening such that the frame extends slightly less than completely around the perimeter of the backing. The opening would allow the dressing to be placed over catheters or other devices while still attached to the frame to increase the ease of handling of backing.
- Suitable backings 14 , 114 or 214 include, for example, nonwoven fibrous webs, woven fibrous webs, knits, films and other familiar backing materials.
- the preferred backing materials are translucent or transparent polymeric elastic films.
- the backing is a high moisture vapor permeable film backings.
- the film/adhesive composite should transmit moisture vapor at a rate equal to or greater than human skin.
- the adhesive coated film transmits moisture vapor at a rate of at least 300 g/m 2 /24 hrs/37° C./100-10% RH, more preferably at least 700 g/m 2 /24 hrs/37° C./100-10% RH, and most preferably at least 2000 g/m 2 /24 hrs/37° C./100-10% RH using the inverted cup method.
- the backing is preferably conformable to anatomical surfaces. As such, when the backing is applied to an anatomical surface, it conforms to the surface even when the surface is moved.
- the preferred backing is also conformable to animal anatomical joints. When the joint is flexed and then returned to its unflexed position, the backing stretches to accommodate the flexion of the joint, but is resilient enough to continue to conform to the joint when the joint is returned to its unflexed condition.
- backings preferred for use with the present invention can be found in issued U.S. Pat. Nos. 5,088,483 and 5,160,315, the disclosures of which are hereby incorporated by reference.
- Particularly preferred backings are elastomeric polyurethane, co-polyester, or polyether block amide films. These films combine the desirable properties of resiliency, high moisture vapor permeability, and transparency found in preferred backings.
- any pressure sensitive adhesive 16 , 116 or 216 can be used, the preferred pressure sensitive adhesive is reasonably skin compatible and “hypoallergenic”, such as the acrylate copolymers described in U.S. Pat. No. RE 24,906, the disclosure of which is hereby incorporated by reference. Particularly preferred is a 97:3 iso-octyl acrylate:acrylamide copolymer. Also preferred is an 70:15:15 isooctyl acrylate:
- ethyleneoxide acrylate:acrylic acid terpolymer as described in U.S. Pat. No. 4,737,410 (Example 31), the disclosure of which is hereby incorporated by reference.
- Other useful adhesives are described in U.S. Pat. Nos. 3,389,827, 4,112,213, 4,310,509, and 4,323,557, the disclosures of which are hereby incorporated by reference.
- Inclusion of medicaments or antimicrobial agents in the adhesive is also contemplated, as described in U.S. Pat. Nos. 4,310,509 and 4,323,557 both of which are hereby incorporated by reference.
- the preferred pressure sensitive adhesives described above preferably transmit moisture vapor at a rate greater to or equal to that of human skin. While such a characteristic can be achieved through the selection of an appropriate adhesive or through use of a nonwoven (e.g., melt blown) adhesive (as described in U.S. patent application Ser. No. 08/980,541, filed Dec. 1, 1997, U.S. patent application Ser. No. 09/201,954, filed Dec. 2, 1998, and PCT Publication No. WO 99/27975 (all of which are incorporated herein by reference)), it is also contemplated in the present invention that other methods of achieving a high relative rate of moisture vapor transmission may be used, such as pattern coating the adhesive on the backing.
- a nonwoven (e.g., melt blown) adhesive as described in U.S. patent application Ser. No. 08/980,541, filed Dec. 1, 1997, U.S. patent application Ser. No. 09/201,954, filed Dec. 2, 1998, and PCT Publication No. WO 99/27975
- Absorbent pad 12 , 112 or 212 can be manufactured of any of a variety of materials including, but not limited to, woven or nonwoven cotton or rayon. Absorbent pad 12 is useful for containing a number of substances, including antimicrobial agents, 30 drugs for transdermal drug delivery, chemical indicators to monitor hormones or other substances in a patient, etc.
- the preferred island pad providing an absorbent matrix includes the normal adhesives which are applied to the skin, or the hydrocolloid compositions described in U.S. Pat. No. 5,622,711 and 5,633,010, the disclosure of which is hereby incorporated by reference.
- the hydrocolloid absorbent may comprise, for example, a natural hydrocolloid, such as pectin, gelatin, or carboxymethylcellulose (CMC) (Aqualon Corp., Wilmington, Del.), a semi-synthetic hydrocolloid, such as cross-linked carboxymethylcellulose (X4ink CMC) (e.g.
- the hydrocolloid absorbent component comprises from about 5 percent to about 60 percent by weight of the adhesive composition.
- PAA cross-linked polyacrylic acid
- the hydrocolloid absorbent preferably comprises from about 20 percent to about 40 percent by weight of the composition.
- Preferred release Liners 24 , 124 or 224 can be made of kraft papers, polyethylene, polypropylene, polyester or composites of any of these materials.
- the liners are preferably coated with release agents such as fluorochemicals or silicones.
- U.S. Pat. No. 4,472,480 the disclosure of which is hereby incorporated by reference, describes low surface energy perfluorochemical liners.
- the preferred liners are papers, polyolefin films, or polyester films coated with silicone release materials.
- Examples of commercially available silicone coated release papers are POLYSLIKTM silicone release papers available from Rexam Release (Bedford Park, Ill.) and silicone release papers supplied by DCP-Lohya Co. (Dixon, Ill.).
- the most preferred liner is 1-60BKG-157 paper liner available from DCP-Lohya, which is a super calendared Kraft paper with a water-based silicone release surface.
- Liners are available from a variety of manufacturers in a wide variety of proprietary formulations. Those skilled in the art will normally test those liners in simulated use conditions against an adhesive of choice to arrive at a product with the desired release characteristics.
- the preferred carrier material used to supply the carrier/carrier frame 28 , 128 or 228 is preferably substantially more rigid than the backing 14 , 114 , 214 to prevent the backing 14 , 114 , 214 from wrinkling during application.
- the carrier material can be heat-sealable to the backing 14 , 114 , 214 , with or without the low adhesion coating described above.
- the preferred carrier materials include, but are not limited to, polyethylene/vinyl acetate copolymer-coated papers and polyester films.
- a preferred carrier material is a polyethylene/vinyl acetate copolymercoated super calendared Kraft paper (1-80BKG-157 PE; DCP-Lohya).
- the liner 24 , 124 or 224 is first removed from the dressing 10 , 110 or 210 leaving the frame 26 , 126 , 226 /backing 14 , 114 , 214 /pressure-sensitive adhesive 16 , 116 , 216 /absorbent pad 12 , 112 , 212 composite intact.
- the user can then manipulate the dressing 10 , 110 , 210 using tabs 38 , 40 on the frame 26 while viewing the area to which the dressing 10 , 110 , 210 will be attached through window 28 , 128 a / 128 b or 228 a / 228 b , as the preferred backing 14 , 114 , 1214 is transparent or translucent.
- the portion(s) of the frame 26 adjacent the concave edge-portion 44 of the dressing 10 i.e. the portion(s) between slits 30 and 32
- the dressing 10 is then bent to form a concave curve along the first major surface of the backing 14 with the adhesive-coated major surface 20 (bottom face) of the backing 14 adjacent the concave edge portion 44 being along the top of the concave curve
- the concave edge portion 44 of the dressing 10 is inserted into the sacral groove first and the dressing 10 is adhered to the patient over a sacral wound. The rest of the frame 26 is then removed.
- the adhesive composition of this example features a pressure sensitive adhesive matrix blended with polymeric microspheres, and was prepared as follows (from example 1 of U.S. Pat. No. 5,849,325.
- a monomer mixture was prepared by dissolving 4.8 g of acrylic acid, 2.4 g of CarbowaxTM 750 acrylate (polyethylene oxide acrylate) and 1.13 g LucidolTM-70 (70% benzoyl peroxide) in 232.8 g of iso-octyl acrylate.
- a surfactant solution was prepared by dissolving 0.75 g of sodium dodecyl benzene sulfonate in 360 g of water.
- the monomer mixture was then added to the surfactant solution, and the resulting mixture emulsified using a Gifford-WoodTM mixer until the droplet size was less than 5 micrometers.
- the emulsion was charged to a 1 liter baffled reactor, heated to 65° C., degassed with N 2 , and allowed to react for 8 hours. Microspheres having an average diameter of about 2 micrometers were formed during the reaction period.
- the adhesive matrix was prepared according to the procedures described generally in PCT Patent Publication No. WO 84/03837 using a monomer mixture containing 70 parts by weight isooctyl acrylate, 15 parts by weight acrylic acid, and 15 parts by weight CarbowaxTM 750 acrylate (polyethylene oxide acrylate). The matrix was then blended with the microspheres (30 microspheres per hundred parts matrix) using a Lightening-brand mixer and applied to a release liner made of silicone-coated kraft paper.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Materials For Medical Uses (AREA)
Abstract
A wound dressing and delivery system comprising carrier frame that overlaps a heavy absorbent pad on a thin backing of the wound dressing (with the backing sandwiched between the pad and carrier frame) so that the carrier frame and absorbent pad support (e.g., rigidify) the backing to facilitate handling. The carrier frame also has a window over the absorbent pad. Adhesive is provided one major surface of the backing, and the absorbent pad is provided on this major surface. The carrier frame is provided on the opposite major surface to the absorbent pad. The backing is preferably a very thin transparent or translucent elastic polymeric film, and the absorbent pad is relative thick, heavy and stiff and preferably includes hydrocolloid or hydrogel materials. Slits may be provided in the carrier frame to permit one of more portions of the frame to be removed from the backing without removing the entire frame from the backing.
Description
- The invention relates to wound dressings, and more particularly to a thin film composite dressing with an absorbent pad and a frame delivery system for the dressing.
- Hydrocolloid adhesive compositions that are formed as wound dressings have been known for many years. Typically, these compositions comprise a blend of a polymer matrix, such as a rubbery elastomer like polyisobutylene, in combination with one or more water-soluble or water-swellable hydrocolloids, such as a dry powdered mixture of pectin, gelatin and carboxymethylcellulose. The adhesive composition is usually coated on at least one surface of a water-insoluble film to form a relatively thick, heavy wound dressing.
- Commercially available examples of hydrocolloid wound dressings include “DUODERM™” and “DUODERM™ EXTRA-THIN” wound dressing (a product of Convatec; Squibb and Sons, Inc., Princeton, N. J.; believed to be a KRATON™-based composition); TEGASORB™ wound dressing (a product of Minnesota Mining and Manufacturing Company, St. Paul, Minnesota; a polyisobutylene-based composition); RESTORE™ wound dressing (a product of Hollister, Inc., Libertyville, Ill.; believed to be an ethylene vinyl acetate (EVA)-based composition); and COMFEEL™ wound dressing (a product of Coloplast International, Espergaerde, Denmark; believed to be a KRATON™-based composition). See, also, U.S. Pat. Nos. 4,231,369; 4,477,325; 4,551,490; 4,738,257 and 5,633,010.
- The delivery system for most of the above examples provide a simple release liner to protect the tacky hydrocolloid surface. One exception to this class is the TEGASORB™ wound dressing. This product has a thin, adhesive coated polymeric backing extended beyond the edges of the absorbent hydrocolloid pad to form a border that will adhere to the skin and provide barrier to outside contamination as well as keep wound fluid contained providing for a longer wear time.
- A successful delivery system has been used on Tegaderm™ transparent dressings (a product of Minnesota Mining and Manufacturing Company, St. Paul, Minn.). The Tegaderm™ dressing comprises a thin polyurethane with an adhesive on one surface and a carrier or frame that facilitates application. The Tegaderm™ trransparent dressing, however, does not include a hydrocolloid or absorbent pad. See, also, U.S. Pat. No. 5,531,855.
- PCT Patent Publication No. WO 98/00080 shows the combination of a package and a medical adhesive composite, such as a dressing. See, also, U.S. Design Pat. Nos. 408,541; 409,754 and 410,087 and U.S. Patent No. (U.S. Ser. No.: 08/887,523, filed Jul. 2, 1997), which are incorporated herein by reference.
- The invention provides an absorbent dressing and delivery system that facilitates handling the extremely thin, flexible film border of the dressing during delivery to prevent wrinkling and adhering the film of the dressing to itself, which otherwise would interfere with the smooth, aseptic application of the dressing to a patient's skin.
- The island dressing composite of the invention provides a carrier delivered dressing having a conformable backing with a pressure sensitive adhesive coated on a bottom and a absorbent pad positioned on the adhesive, and which is supported by a removable carrier attached to the top face of the backing. In particular, the present invention overcomes the problems discussed above by securing the carrier to the top face of the backing with an overlapping form.
- Furthermore, in one embodiment, the method and apparatus of the present invention provide such a carrier delivered dressing in which the window is optionally removed prior to use by the consumer, thereby minimizing the steps necessary to apply the dressings and reducing the waste stream at the consumer level.
- In particular, the present invention provides an adhesive composite dressing comprising: (a) a conformable backing having top and bottom faces; (b) a pressure sensitive adhesive coated on at least a portion of the bottom face of the backing; (c) a absorbent or medicated pad primarily in the center portion; (d) a liner releasably adhered to the pressure sensitive adhesive opposite the backing; and (e) a carrier releasably attached to and covering at least a portion of the top face of the backing, the carrier being nonpermanently attached to the backing and a cut in the carrier substantially defining a window proximate a center of the carrier and overlapping at least a portion of the pad, the carrier further being formed of material substantially more rigid than the backing to provide rigidity to the adhesive composite. The composite dressing may also include an optional low adhesion coating on the top face of the backing, in between the carrier and the top face of the backing.
- These and various other advantages and features of novelty which characterize the invention are pointed out with particularity in the claims annexed hereto and forming a part hereof. However, for a better understanding of the invention, its advantages, and objects obtained by its use, reference should be had to the accompanying drawings and descriptive matter, in which there is illustrated and described preferred embodiments of the invention.
- The invention will be further described with reference to the drawing wherein corresponding reference characters indicate corresponding parts throughout the several views of the drawing, and wherein:
- FIG. 1 is a top plan view of a preferred embodiment of the absorbent pad dressing and delivery system according to the invention;
- FIG. 2 is a bottom plan view of the dressing and delivery system of FIG. 1;
- FIG. 3 is a side schematic view of the dressing of FIGS. 1 and 2 taken substantially along line3-3 of FIG. 1;
- FIG. 4 is a top plan view of an alternate preferred embodiment of the absorbent pad dressing and delivery system according to the invention; and
- FIG. 5 is a perspective, exploded view of another alternate preferred embodiment of the absorbent pad dressing and delivery system according to the invention.
- FIGS.1-3 depict a preferred embodiment of the absorbent pad dressing and delivery system designated in its entirety by the
reference numeral 10. The delivery system of this invention is particularly useful in connection with a dressing in which a relatively heavy or stiffabsorbent pad 12 is positioned on aconformable backing 14 that is light and flexible relative to thepad 12. In this preferred embodiment, both of theabsorbent pad 12 and thebacking 14 have a generally kidney-shape or outline, and are particularly designed for use a sacral dressing, although the invention is not limited to this shape or to sacral dressings. Thepreferred backing 14 is a transparent or translucent elastic film. - Preferably, a pressure sensitive adhesive (PSA)16 is provided on along one
major surface 18 of thebacking 14, and a low adhesion coating (low adhesion backsize or LAB) 20 is provided on the othermajor surface 22 of thebacking 14. A description of a preferred low adhesion coating for use with the present invention can be found in U.S. Pat. Nos. 5,531,855 (Example 1), which is compatible with a heat seal bond described below. Thelow adhesion coating 20 reduces dressing changes due to unwanted dressing removal when other tapes or devices are placed on thedressing 10 and removed, and reduces the surface friction of thedressing 10 on linen or other fabrics, thereby offering additional protection against the accidental removal ofdressing 10 -
Major surface 18 is sometimes referred to as the “bottom face” or “first major surface” of thebacking 14, andmajor surface 22 is sometimes referred to as the “top face” or “second major surface” of thebacking 14. - A
release liner 24 is attached to the exposed surface of pressure-sensitive adhesive 16 on thebottom face 18 of thebacking 14. Therelease liner 24 covers the PSA until the consumer is ready to apply thedressing 10. Therelease liner 24 may be a single piece or multiple piece release liner, and may be part of or laminated to the package (not shown) containing the dressing, or merely enclosed along with thedressing 10 within the package. - The
absorbent pad 12 of thisdressing 10 is sometimes referred to as an “island pad” because thebacking 14 extends substantially beyond theabsorbent pad 12, typically beyond the entire periphery of thepad 12. For example, the length and width of the backing could be 16.1 cm×21.9 cm, and the length and width of the absorbent pad could be 12.3 cm×13.9 cm. The pressuresensitive adhesive 16 on the peripheral portion of thebacking 14 not covered by theisland pad 12 may be adhered to the skin of a patient. This portion of thebacking 14 is thus not supported or reinforced by the relatively heavy and stiffabsorbent pad 12, and absent the benefits of the invention would be difficult to handle without folding, wrinkling or otherwise adhering to itself rather than adhering to the skin. - FIG. 2 is a bottom view of dressing10 with the
liner 24 removed to expose theadhesive layer 16 andabsorbent pad 12, which is disposed proximate the center of thedressing 10. Althoughabsorbent pad 12 is shown as centered on dressing 10 and as having a kidney-shape similar to, but smaller than, thebacking 14, it can take any appropriate shape and/or can be located off-center on thedressing 10 as desired. - A
carrier frame 26 is attached to thetop face 22 of thebacking 14 over thelow adhesion coating 20. Thecarrier frame 26 extends along substantially the entire periphery of thebacking 14 and forms awindow 28 exposing a portion of thebacking 14 overlying theabsorbent pad 12 with thebacking 14 sandwiched between theframe 26 andabsorbent pad 12. - As used herein, a first piece can be said to “overlap” or “overlie” a second piece if it covers a portion of either the second piece, or a portion of some third piece that is covered along its opposite side by the second piece. In other words, one piece can “overlap” or “overlie” another piece even though separated by a third piece. More specifically, the
carrier frame 26 can “overlap” or “overlie” theabsorbent pad 12 with thebacking 14 positioned between the overlapped portions of theabsorbent pad 12 andcarrier 24. - As used herein, the term “sandwiched” means that one layer is intermediate or between two other layers. For example, the
backing 14 may be considered an intermediate layer between thecarrier frame 26 and theabsorbent pad 12, and thus is “sandwiched” between theframe 26 andabsorbent pad 12. - The preferred arrangement is such that:
- (a) One or the other major surface of the
backing 14 is covered by either theabsorbent pad 12 or the carrier frame 26 (or both) substantially throughout the extent of thebacking 14; - (b). Substantially the entire periphery of the
absorbent pad 12 is overlapped by thecarrier frame 26 so that the portion of thebacking 14 covered on one major surface by the absorbent pad is covered on the other major surface by thecarrier frame 26, thus forming what might be considered a three-layer or double-supported “ring” (the shape of the ring is defined by the periphery of thepad 12 and thewindow 28 of thecarrier frame 26, and in the first preferred embodiment will be generally kidney-shaped); and - (c) Each of the
carrier frame 26 andabsorbent pad 12 are substantially more rigid than thebacking 14. - The
carrier frame 26 is preferably attached to the secondmajor surface 22 of the backing 14 (over low adhesion coating 20) with a heat seal bond. The heat seal bond between thecarrier frame 26 and thebacking 14 is stronger than the bond between the pressuresensitive adhesive 16 and therelease liner 24 so that thebacking 14 remains attached to thecarrier frame 26 whenrelease liner 26 is removed from the dressing 10. Once therelease liner 24 and dressing 10 are separated, only thecarrier frame 26 andabsorbent pad 12 support (i.e. provide rigidity to) thebacking 14. - Most preferably, the
carrier frame 26 has several nonlinear cuts or slits 30, 32, 34 and 36, which may be controlled depth die cut so as not to cut thebacking 14. Any of theslits carrier frame 26 may be lifted from backing 14 and peeled away. Severalnonlinear slits frame 26 allow for distinct sections of thecarrier frame 26 to be removed without removing the other sections to aid in the delivery over body contours. It is also contemplated that a section of the frame could be removed to better conform to a catheter while the non-removed sections of the frame facilitate application of a dressing over the catheter. - Although each slit30, 32, 34 and 36 may be a linear, they are preferably nonlinear.
Nonlinear slits backing 14 andcarrier 24 because nonlinear slits are less likely to allow thecarrier 24 to fold at the slit or cut line as compared to linear cuts. Ifframe 26 folds along one or more of theslits backing 214 will adhere to itself rendering the dressing 210 useless. Most preferably, theslits sinusoidal cuts - Preferably, the
frame 26 includes one ormore tabs release liner 24 and applying the composite without contacting the adhesive 16. For example, twotabs frame 26 to provide a structure that can be gripped by fingers to peel the dressing from therelease liner 24. Most preferably, therelease liner 24 includes twotabs tabs frame 26 so that one tab (e.g., 39) of theliner 24 and one tab (e.g., 38) of theframe 26 may be grasped to separate the dressing and frame from therelease liner 24. - FIGS.1-3 depict a preferred kidney-shaped
dressing 10, which is particularly designed to be a sacral dressing. Theperiphery 42 of preferred embodiment of the dressing 10 has aconcave edge portion 44, two minorconvex edge portions concave edge portion 44 and a majorconvex edge portion 50 defining the edge of the dressing opposite theconcave edge portion 44. The minorconvex edge portions concave edge portion 44 thus form one side edge of theframe 26 extending between thetabs major edge portion 50 forms the opposite side edge of the frame extending between thetabs - The opposite ends of the
concave edge portion 44 may be considered as being defined approximately at the apex or pinnacle of each of the minorconvex edge portions concave edge portion 44. The nadir of theconcave edge portion 44 is the point of inflection of theconcave edge portion 44. The nadir of theconcave edge portion 44 and the apex of the majorconvex edge portion 50 define a line of symmetry that bisects the frame 26 (and dressing 10) into two substantially mirror image parts. - Most preferably, two of the
slits concave edge portion 38 to facilitate removal of theportions concave edge portion 38, one slit 34 extending inwardly of theframe 26 from generally adjacent the nadir of theconcave edge portion 38, and one slit 36 extending inwardly of theframe 26 from generally adjacent the apex of the major convex edge portion. The arrangement is such that theslit 34 adjacent the nadir of theconcave edge portion 38 and theslit 36 adjacent the apex of the majorconvex edge portion 50 extend substantially in directions along a common line (in the sense that nonlinear slits can be considered to define a direction). -
Slits frame 26 and a concave edge on the adjacent piece receiving the tab. Most preferably, in this example, thetabs forming slits frame 26. - The
window 28 may be cut (e.g., controlled depth die cut) from a carrier blank to form acarrier frame 24 having a window exposing a portion of the top surface of thebacking 14. The cut or window portion of the carrier blank may be either removed during manufacturing or by the consumer. Removal during manufacturing eliminates one step in the delivery process for previously known window style dressings and reduces the waste stream at the consumer level. Some customers, however, prefer that the portion of thecarrier covering window 28 remains intact until the dressing 10 reaches the consumer. - Preferably, the
absorbent pad 12 comprises a hydrocolloid andhydrogel pad 12 having a thickness of at least 1 mm (e.g., most preferably 3-9 mm), and thebacking 14 comprises a transparent elastic polymeric film (e.g., urethane) having a thickness no greater than 0.1 mm (e.g., most preferably 0.021-0.051 mm). It will be appreciated that in this preferred embodiment thepad 12 is much thicker, stiffer and heavier than thefilm backing 14. - Features of the embodiment in FIG. 4 that are similar to the features of FIGS.1-3 are designated by the same last two digits of the reference numbers but with the addition of “100”.
- FIG. 4 depicts an alternative preferred embodiment of the invention similar in some respects to the embodiment of FIGS.1-3 except that (a) the
carrier frame 126 overlaps only a portion of theabsorbent pad 112, and (b) abridge 127 is provided on theframe 126 extending along the length of the dressing to provide additional support of theframe 126 by theabsorbent pad 112. Aslit 137 may be provided across thebridge 127 to facilitate removing one side of the bridge and the adjacent frame portion before the other side of the bridge and its adjacent frame portion. Theslit 137 may be linear or non-linear but is depicted as linear because it is believed thatabsorbent pad 112 provides sufficient support for thisslit 137 to be linear. Theslit 137 is shown as extending generally along a common line with the apex and nadir of the majorconvex edge portion 150 andconcave edge portion 144, but could be offset in either direction from this common line. In this embodiment thewindow window portions bridge 127. - Features of the embodiment of FIG. 5 that are similar to the features of FIGS.1-3 are designated by the same last two digits of the reference numbers but with the addition of “200”.
- FIG. 5 depicts a second alternative preferred embodiment of the invention similar in some respects to the embodiments of FIGS.1-4 except that
- (a) The
absorbent pad 212 is only overlapped by theframe 226 along the opposite ends 213 a and 213 b of the absorbent pad, and across an intermediate portion of theabsorbent pad 212 by abridge 227, thus providing portions of thewindows absorbent pad 212; - (b) The
backing 214 has a generally rectangular shape with the corners cut off; - (c) The
windows frame 226; - (d) The
absorbent pad 212 has a generally rectangular shape having a longitudinal axis substantially parallel with the longitudinal axis of thebacking 214 but substantially perpendicular to the longitudinal axes of thewindows - (e) Four slits230, 232, 234 and 236 are provided along the long side edges of the
carrier frame 226, and are arranged in two sets of two slits (230 and 232, 234 and 236) with each set of slits extending generally in the longitudinal direction of the windows (perpendicular to the longitudinal direction of the frame 226); - (f) The
bridge 227 does not include an intermediate slit; and - (g) The
carrier pieces 229 a and 229 b covering thewindows - An alternative embodiment of the invention is also contemplated in which the carrier frame has an opening such that the frame extends slightly less than completely around the perimeter of the backing. The opening would allow the dressing to be placed over catheters or other devices while still attached to the frame to increase the ease of handling of backing.
- The described embodiments are illustrative examples, and the features of one embodiment may be used in connection with the other embodiments. For example, a bridge could be added to the embodiment of FIGS.1-3.
- Preferred Backing Materials
-
Suitable backings - Preferably, the film/adhesive composite should transmit moisture vapor at a rate equal to or greater than human skin. Preferably, the adhesive coated film transmits moisture vapor at a rate of at least 300 g/m2/24 hrs/37° C./100-10% RH, more preferably at least 700 g/m2/24 hrs/37° C./100-10% RH, and most preferably at least 2000 g/m2/24 hrs/37° C./100-10% RH using the inverted cup method.
- The backing is preferably conformable to anatomical surfaces. As such, when the backing is applied to an anatomical surface, it conforms to the surface even when the surface is moved. The preferred backing is also conformable to animal anatomical joints. When the joint is flexed and then returned to its unflexed position, the backing stretches to accommodate the flexion of the joint, but is resilient enough to continue to conform to the joint when the joint is returned to its unflexed condition.
- A description of this characteristic of backings preferred for use with the present invention can be found in issued U.S. Pat. Nos. 5,088,483 and 5,160,315, the disclosures of which are hereby incorporated by reference. Particularly preferred backings are elastomeric polyurethane, co-polyester, or polyether block amide films. These films combine the desirable properties of resiliency, high moisture vapor permeability, and transparency found in preferred backings.
- Preferred Pressure Sensitive Adhesive
- While any pressure
sensitive adhesive - ethyleneoxide acrylate:acrylic acid terpolymer, as described in U.S. Pat. No. 4,737,410 (Example 31), the disclosure of which is hereby incorporated by reference. Other useful adhesives are described in U.S. Pat. Nos. 3,389,827, 4,112,213, 4,310,509, and 4,323,557, the disclosures of which are hereby incorporated by reference. Inclusion of medicaments or antimicrobial agents in the adhesive is also contemplated, as described in U.S. Pat. Nos. 4,310,509 and 4,323,557 both of which are hereby incorporated by reference.
- The preferred pressure sensitive adhesives described above preferably transmit moisture vapor at a rate greater to or equal to that of human skin. While such a characteristic can be achieved through the selection of an appropriate adhesive or through use of a nonwoven (e.g., melt blown) adhesive (as described in U.S. patent application Ser. No. 08/980,541, filed Dec. 1, 1997, U.S. patent application Ser. No. 09/201,954, filed Dec. 2, 1998, and PCT Publication No. WO 99/27975 (all of which are incorporated herein by reference)), it is also contemplated in the present invention that other methods of achieving a high relative rate of moisture vapor transmission may be used, such as pattern coating the adhesive on the backing.
- The preferred film and adhesive combinations is disclosed in U.S. Pat. No. 5,849,325 (Example 1), the disclosure of which is hereby incorporated by reference.
- Preferred Absorbent Pad Materials
-
Absorbent pad Absorbent pad 12 is useful for containing a number of substances, including antimicrobial agents, 30 drugs for transdermal drug delivery, chemical indicators to monitor hormones or other substances in a patient, etc. - The preferred island pad providing an absorbent matrix includes the normal adhesives which are applied to the skin, or the hydrocolloid compositions described in U.S. Pat. No. 5,622,711 and 5,633,010, the disclosure of which is hereby incorporated by reference. The hydrocolloid absorbent may comprise, for example, a natural hydrocolloid, such as pectin, gelatin, or carboxymethylcellulose (CMC) (Aqualon Corp., Wilmington, Del.), a semi-synthetic hydrocolloid, such as cross-linked carboxymethylcellulose (X4ink CMC) (e.g. Ac-Di-Sol; FMC Corp., Philadelphia, Pa.), a synthetic hydrocolloid, such as cross-linked polyacrylic acid (PAA) (e.g., CARBOPOL™ No. 974P; B.F. Goodrich, Brecksville, Ohio), or a combination thereof. Preferably, the hydrocolloid absorbent component comprises from about 5 percent to about 60 percent by weight of the adhesive composition. When preparing an adhesive composition for use in a wound dressing the hydrocolloid absorbent preferably comprises from about 20 percent to about 40 percent by weight of the composition.
- Preferred Release Liner Materials
-
Preferred release Liners - For example, U.S. Pat. No. 4,472,480, the disclosure of which is hereby incorporated by reference, describes low surface energy perfluorochemical liners. The preferred liners are papers, polyolefin films, or polyester films coated with silicone release materials. Examples of commercially available silicone coated release papers are POLYSLIK™ silicone release papers available from Rexam Release (Bedford Park, Ill.) and silicone release papers supplied by DCP-Lohya Co. (Dixon, Ill.). The most preferred liner is 1-60BKG-157 paper liner available from DCP-Lohya, which is a super calendared Kraft paper with a water-based silicone release surface.
- Other combinations of adhesives and liners are contemplated for use with embodiments according to the present invention. Those skilled in the art will be familiar with the processes of testing a new adhesive against different liners or a new liner against different adhesives to arrive at the combination of qualities desired in a final product. The considerations pertinent to the selection of a silicone release liner can be found in
Chapter 18 of the Handbook of Pressure Sensitive Adhesive Technology, Van Nostrand-Reinhold, 1982, pp. 384-403. U.S. Pat. No. 4,472,480 also describes considerations pertinent to the selection of a perfluoropolyether release liner. - Liners are available from a variety of manufacturers in a wide variety of proprietary formulations. Those skilled in the art will normally test those liners in simulated use conditions against an adhesive of choice to arrive at a product with the desired release characteristics.
- Preferred Carrier Materials
- The preferred carrier material used to supply the carrier/
carrier frame 28, 128 or 228 is preferably substantially more rigid than thebacking backing backing - USE
- In use, the
liner frame backing sensitive adhesive absorbent pad tabs frame 26 while viewing the area to which the dressing 10, 110, 210 will be attached throughwindow preferred backing 14, 114, 1214 is transparent or translucent. - To apply the wound dressing10 to the sacral groove of a patient, (a) the portion(s) of the
frame 26 adjacent the concave edge-portion 44 of the dressing 10 (i.e. the portion(s) betweenslits 30 and 32) is removed from the backing 14 while leaving other portions of theframe 26 in place on thebacking 14; (b) the dressing 10 is then bent to form a concave curve along the first major surface of thebacking 14 with the adhesive-coated major surface 20 (bottom face) of thebacking 14 adjacent theconcave edge portion 44 being along the top of the concave curve; and (c) theconcave edge portion 44 of the dressing 10 is inserted into the sacral groove first and the dressing 10 is adhered to the patient over a sacral wound. The rest of theframe 26 is then removed. - The adhesive composition of this example features a pressure sensitive adhesive matrix blended with polymeric microspheres, and was prepared as follows (from example 1 of U.S. Pat. No. 5,849,325.
- To prepare the microspheres, a monomer mixture was prepared by dissolving 4.8 g of acrylic acid, 2.4 g of Carbowax™ 750 acrylate (polyethylene oxide acrylate) and 1.13 g Lucidol™-70 (70% benzoyl peroxide) in 232.8 g of iso-octyl acrylate. A surfactant solution was prepared by dissolving 0.75 g of sodium dodecyl benzene sulfonate in 360 g of water. The monomer mixture was then added to the surfactant solution, and the resulting mixture emulsified using a Gifford-Wood™ mixer until the droplet size was less than 5 micrometers. The emulsion was charged to a 1 liter baffled reactor, heated to 65° C., degassed with N2, and allowed to react for 8 hours. Microspheres having an average diameter of about 2 micrometers were formed during the reaction period.
- The adhesive matrix was prepared according to the procedures described generally in PCT Patent Publication No. WO 84/03837 using a monomer mixture containing 70 parts by weight isooctyl acrylate, 15 parts by weight acrylic acid, and 15 parts by weight Carbowax™ 750 acrylate (polyethylene oxide acrylate). The matrix was then blended with the microspheres (30 microspheres per hundred parts matrix) using a Lightening-brand mixer and applied to a release liner made of silicone-coated kraft paper.
- Next, a 25 micrometer thick film of Estane™ 58237 thermoplastic polyurethane (B.F. Goodrich Co.) was extruded and laminated to the adhesive composition. The thickness of the adhesive composition was 25 microns (1 mil). A dressing was prepared according to the procedure described in Example 1 of Heinecke et al., U.S. Pat. No. 5,531,855, hereby incorporated by reference.
- As various changes could be made in the above constructions, compositons and methods without departing from the scope of the invention as defined in the claims, it is intended that all matter contained in the above description or shown in the accompanying drawings be interpreted as illustrative and not in a limiting sense.
Claims (24)
1. A wound dressing and delivery system comprising:
a dressing comprising:
a wound dressing comprising:
a backing having first and second major surfaces and a periphery;
an adhesive on the first major surface of the backing; and
an absorbent pad on the first major surface of the backing; and
a delivery system comprising:
a frame removably mounted on the second major surface adjacent the periphery of the backing, the frame overlapping the absorbent pad with the backing sandwiched between the frame and absorbent pad so that the frame together with the absorbent pad provide some rigidity to the wound dressing, the frame defining a window overlapping a portion of the absorbent pad, the frame being substantially more rigid than the backing to facilitate handling the dressing.
2. The wound dressing and delivery system according to wherein the frame includes at least on slit to facilitate removing the frame from the wound dressing.
claim 1
3. The wound dressing and delivery system according to wherein the frame includes at least two slits to allow removal of a portion of the frame without removing the entire frame from the wound dressing.
claim 2
4. The wound dressing and delivery system according to where in the dressing is a sacral dressing having a periphery with a concave edge portion, the concave edge portion having opposite ends, the two slits being arranged adjacent opposite ends of the concave edge portion to facilitate removal of the portion of the frame adjacent the concave edge portion of the dressing.
claim 3
5. The wound dressing and delivery system according to wherein the absorbent pad comprises a hydrocolloid absorbent sheet material
claim 4
6. The Wound dressing and delivery system according to wherein the absorbent pad comprises a foam pad.
claim 4
7. The wound dressing and delivery system according to wherein the frame further includes a bridge portion extending across the window and overlapping the absorbent pad to further support the frame relative to the absorbent pad, the frame overlapping less than the entire periphery of the absorbent pad.
claim 1
8. The wound dressing and delivery system according to wherein the absorbent pad has a periphery, and the frame substantially completely overlaps the periphery of the absorbent pad.
claim 1
9. The wound dressing and delivery system according to wherein the absorbent pad comprises a hydrocolloid and hydrogel pad having a thickness of at least 1 mm, and the backing comprises an elastic film having a thickness no greater than 0.1 mm.
claim 1
10. The wound dressing and delivery system according to wherein the hydrocolloid and hydrogel pad has a thickness of approximately 3-9 mm, and the elastic film has a thickness of approximately 0.021-0.051 mm.
claim 9
11. The wound dressing and delivery system according to wherein the absorbent pad and backing each have a substantially kidney-shaped outlines.
claim 1
12. The wound dressing and delivery system according to wherein the slits are non-linear.
claim 4
13. The wound dressing and delivery system according to wherein the slits have a substantially sinusoidal curve.
claim 12
14. A wound dressing and delivery system comprising:
a dressing comprising:
a wound dressing comprising:
an elastic film backing having first and second major surfaces and a substantially kidney-shaped periphery;
an adhesive on the first major surface of the backing; and
a substantially kidney-shaped absorbent pad on the first major surface of the backing, the absorbent pad being having a size and position along the backing such that the periphery of the backing extends substantially beyond the absorbent pad; and
a delivery system comprising:
a frame removably mounted on the second major surface adjacent the periphery of the backing, the frame overlapping the absorbent pad with the backing sandwiched between the frame and absorbent pad, the frame defining a window overlapping a portion of the absorbent pad, the frame being substantially more rigid than the backing to facilitate handling the dressing, the frame including a plurality of slits that permit one of more portions of the frame to be removed from the backing without removing the entire frame from the backing.
15. The wound dressing and delivery system according to further comprising a release liner substantially covering the absorbent pad and the first major surface of the backing, the adhesive on the first surface of the backing tending to adhere to the release liner less than the frame tends to adhere to the second major surface of the backing.
claim 14
16. The wound dressing and delivery system according to where in the dressing is a sacral dressing having a periphery with a concave edge portion, the concave edge portion having opposite ends, the two slits being arranged adjacent opposite ends of the concave edge portion to facilitate removal of the portion of the frame adjacent the concave edge portion of the dressing.
claim 15
17. The wound dressing and delivery system according to wherein the absorbent pad comprises a hydrocolloid and hydrogel pad having a thickness of at least 1 mm, and the backing comprises an elastic film having a thickness no greater than 0.1 mm.
claim 14
18. The wound dressing and delivery system according to wherein the hydrocolloid and hydrogel pad has a thickness of approximately 3-9 mm, and the elastic film has a thickness of approximately 0.021-0.051 mm.
claim 17
19. A method of applying the wound dressing of to the sacral groove of a patient, the method comprising the following steps:
claim 16
(a) removing the portion of the frame adjacent the concave edge portion of the dressing from the backing while leaving other portions of the frame in place on the backing;
(b) bending the dressing to form a concave curve along the first major surface of the backing with the concave edge portion along the top of the concave curve; and
(c) inserting the concave edge portion of the dressing into the sacral groove first and adhering the dressing to the patient over a sacral wound.
20. A wound dressing and delivery system comprising:
a dressing comprising:
a wound dressing comprising:
an elastic film backing having first and second major surfaces and a periphery;
an adhesive on the first major surface of the backing; and
an absorbent pad on the first major surface of the backing, the absorbent pad being having a size and position along the backing such that the periphery of the backing extends substantially beyond the absorbent pad, the absorbent pad including hydrocolloid or hydrogel materials, the absorbent pad being substantially thicker, heavier and stiffer than the elastic film backing; and
a delivery system comprising:
a frame removably mounted on the second major surface adjacent the periphery of the backing, the frame overlapping the absorbent pad with the backing sandwiched between the frame and absorbent pad, the frame defining a window overlapping a portion of the absorbent pad along the entire periphery of the absorbent pad, the frame being substantially more rigid than the backing to facilitate handling the dressing, the frame including a plurality of slits that permit one of more portions of the frame to be removed from the backing without removing the entire frame from the backing.
21. The wound dressing and delivery system according to further comprising a release liner substantially covering the absorbent pad and the first major surface of the backing, the adhesive on the first surface of the backing tending to adhere to the release liner less than the frame tends to adhere to the second major surface of the backing.
claim 20
22. The wound dressing and delivery system according to wherein the absorbent pad comprises a hydrocolloid and hydrogel pad having a thickness of at least 1 mm, and the backing comprises an elastic film having a thickness no greater than 0.1 mm.
claim 21
23. The wound dressing and delivery system according to wherein the hydrocolloid and hydrogel pad has a thickness of approximately 3-9 mm, and the elastic film has a thickness of approximately 0.021-0.051 mm.
claim 22
24. The wound dressing and delivery system according to wherein the elastic film backing comprising a transparent or translucent polymeric film.
claim 23
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/875,827 US6436432B2 (en) | 1999-11-29 | 2001-06-06 | Absorbent pad dressing frame delivery system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/450,242 US6264976B1 (en) | 1999-11-29 | 1999-11-29 | Absorbent pad dressing frame delivery system |
US09/875,827 US6436432B2 (en) | 1999-11-29 | 2001-06-06 | Absorbent pad dressing frame delivery system |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/450,242 Continuation US6264976B1 (en) | 1999-11-29 | 1999-11-29 | Absorbent pad dressing frame delivery system |
Publications (2)
Publication Number | Publication Date |
---|---|
US20010027285A1 true US20010027285A1 (en) | 2001-10-04 |
US6436432B2 US6436432B2 (en) | 2002-08-20 |
Family
ID=23787312
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/450,242 Expired - Lifetime US6264976B1 (en) | 1999-11-29 | 1999-11-29 | Absorbent pad dressing frame delivery system |
US09/875,827 Expired - Lifetime US6436432B2 (en) | 1999-11-29 | 2001-06-06 | Absorbent pad dressing frame delivery system |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/450,242 Expired - Lifetime US6264976B1 (en) | 1999-11-29 | 1999-11-29 | Absorbent pad dressing frame delivery system |
Country Status (1)
Country | Link |
---|---|
US (2) | US6264976B1 (en) |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050089551A1 (en) * | 2003-10-22 | 2005-04-28 | Recupero Elizabeth A. | Clotting agent-containing window dressing |
EP1683502A1 (en) | 2005-01-24 | 2006-07-26 | Beiersdorf Aktiengesellschaft | Film wound dressing |
US8257327B2 (en) | 2003-10-28 | 2012-09-04 | Smith & Nephew Plc | Wound cleansing apparatus with actives |
US8398614B2 (en) | 2002-10-28 | 2013-03-19 | Smith & Nephew Plc | Apparatus for aspirating, irrigating and cleansing wounds |
USD679404S1 (en) | 2010-06-03 | 2013-04-02 | Smith & Nephew, Inc. | Organ protection layer |
US20130090617A1 (en) * | 2010-04-12 | 2013-04-11 | Molnlycke Health Care Ab | Ostomy device |
US8449509B2 (en) | 2004-04-05 | 2013-05-28 | Bluesky Medical Group Incorporated | Flexible reduced pressure treatment appliance |
US8758313B2 (en) | 2003-10-28 | 2014-06-24 | Smith & Nephew Plc | Apparatus and method for wound cleansing with actives |
US8791316B2 (en) | 2009-02-13 | 2014-07-29 | Smith & Nephew Plc | Wound packing |
US8791315B2 (en) | 2010-02-26 | 2014-07-29 | Smith & Nephew, Inc. | Systems and methods for using negative pressure wound therapy to manage open abdominal wounds |
US8926592B2 (en) | 2003-10-28 | 2015-01-06 | Smith & Nephew Plc | Wound cleansing apparatus with heat |
US9044569B2 (en) | 2004-04-28 | 2015-06-02 | Smith & Nephew Plc | Wound dressing apparatus and method of use |
US10058642B2 (en) | 2004-04-05 | 2018-08-28 | Bluesky Medical Group Incorporated | Reduced pressure treatment system |
US10207035B2 (en) | 2004-05-21 | 2019-02-19 | Smith & Nephew, Inc. | Flexible reduced pressure treatment appliance |
US10456497B2 (en) | 2014-09-10 | 2019-10-29 | C. R. Bard, Inc. | Protective dressing for skin-placed medical device |
USRE48282E1 (en) | 2010-10-15 | 2020-10-27 | Smith & Nephew Plc | Medical dressing |
EP3818968A1 (en) | 2019-11-05 | 2021-05-12 | 3M Innovative Properties Company | Adhesive medical article having fluid management properties |
US20210330417A1 (en) * | 2019-01-11 | 2021-10-28 | Toppan Printing Co., Ltd. | Adhesive examination marker |
EP3939555A1 (en) | 2020-07-14 | 2022-01-19 | 3M Innovative Properties Company | Adhesive eyelid closure article |
US11298453B2 (en) | 2003-10-28 | 2022-04-12 | Smith & Nephew Plc | Apparatus and method for wound cleansing with actives |
USRE49227E1 (en) | 2010-10-15 | 2022-10-04 | Smith & Nephew Plc | Medical dressing |
IL292189B1 (en) * | 2022-04-12 | 2023-05-01 | Reddress Ltd | Coagulation mold and manufacturing process thereof |
USD1040356S1 (en) | 2022-02-11 | 2024-08-27 | Coloplast A/S | Absorbent heel wound dressing |
Families Citing this family (99)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6831205B2 (en) * | 1999-11-29 | 2004-12-14 | Clozex Medical, Llc | Bandage for wound or incision closure |
DE10047673A1 (en) * | 2000-09-22 | 2002-04-11 | Beiersdorf Ag | Association |
DE10047884A1 (en) * | 2000-09-22 | 2002-04-11 | Beiersdorf Ag | Self-adhesive wound dressings with an adhesive wound care area |
US6676961B1 (en) | 2002-03-06 | 2004-01-13 | Automated Carrier Technologies, Inc. | Transdermal patch assembly |
US20040143220A1 (en) * | 2003-01-17 | 2004-07-22 | George Worthley | Wound and catheter dressing and a method for making and applying a dressing |
US6838589B2 (en) | 2003-02-19 | 2005-01-04 | 3M Innovative Properties Company | Conformable wound dressing |
US6998511B2 (en) * | 2003-05-03 | 2006-02-14 | George Medical | Dressing and a method for applying the same |
WO2004111192A2 (en) | 2003-05-29 | 2004-12-23 | The Scripps Research Institute | Targeted delivery to legumain-expressing cells |
US9278155B2 (en) * | 2003-06-05 | 2016-03-08 | 3M Innovative Properties Company | Adhesive compositions, articles incorporating same and methods of manufacture |
US20040247654A1 (en) * | 2003-06-05 | 2004-12-09 | 3M Innovative Properties Company | Hydrophilic adhesives for delivery of herbal medicines |
EP1648363B1 (en) * | 2003-07-03 | 2019-03-06 | Corium International, Inc. | Wound dressing, ingredient delivery device and iv hold-down, and method relating to same |
US7414168B2 (en) * | 2003-07-24 | 2008-08-19 | Clozex Medical Llc | Device for laceration or incision closure |
US7354446B2 (en) * | 2003-07-24 | 2008-04-08 | Clozex Medical, Llc | Device for laceration or incision closure |
US7838718B2 (en) * | 2003-07-24 | 2010-11-23 | Clozex Medical, Llc | Device for laceration or incision closure |
US8636763B2 (en) * | 2003-07-24 | 2014-01-28 | Clozex Medical, Llc | Device for laceration or incision closure |
US20050021081A1 (en) * | 2003-07-24 | 2005-01-27 | Clozex Medical, Llc | Device for laceration or incision closure |
US7332641B2 (en) * | 2003-10-10 | 2008-02-19 | Clozex Medical Llc | Interlaced compositions and methods of production |
ES2651343T3 (en) * | 2003-11-28 | 2018-01-25 | Coloplast A/S | A bandage product |
US7585554B2 (en) * | 2004-07-02 | 2009-09-08 | Corium International, Inc. | Wound dressing, ingredient delivery device and IV hold-down incorporating a statically retained handle |
US7135606B1 (en) | 2004-07-15 | 2006-11-14 | Terrance Dozier | Wound dressing |
US7563941B2 (en) | 2004-09-10 | 2009-07-21 | Clozex Medical, Llc | Modular wound dressing system |
US20070038246A1 (en) * | 2005-08-09 | 2007-02-15 | Clozex Medical, Llc | Four component wound closure device with locking strip |
US8105353B2 (en) | 2005-08-09 | 2012-01-31 | Clozex Medical, Llc | Wound closure kit and method of using the same |
EP3536350A1 (en) | 2006-08-03 | 2019-09-11 | The Board of Trustees of The Leland Stanford Junior University | Devices and bandages for the treatment or prevention of scars and/or keloids and methods and kits therefor |
US7858838B2 (en) * | 2006-08-10 | 2010-12-28 | 3M Innovative Properties Company | Conformable wound dressing |
ES2340085T5 (en) | 2006-09-28 | 2014-04-16 | Smith & Nephew, Inc. | Portable wound therapy system |
DE102007030931A1 (en) * | 2007-07-03 | 2009-01-08 | Birgit Riesinger | Composition containing at least one nutritive, at least one disinfecting or decontaminating and / or at least one protease inhibiting active substance and / or active substance complex |
US8592640B2 (en) | 2009-08-11 | 2013-11-26 | Neodyne Biosciences, Inc. | Devices and methods for dressing applicators |
US9358009B2 (en) | 2007-08-03 | 2016-06-07 | Neodyne Biosciences, Inc. | Skin straining devices and methods |
CN101917946B (en) * | 2007-11-22 | 2014-05-07 | 墨尼克医疗用品有限公司 | Film dressing with an improved grip tab |
US8372051B2 (en) * | 2007-12-31 | 2013-02-12 | 3M Innovative Properties Company | Medical dressing with edge port and methods of use |
US9242022B2 (en) * | 2008-01-18 | 2016-01-26 | 3M Innovative Properties Company | Hydrogels with tapered edge |
US9033942B2 (en) | 2008-03-07 | 2015-05-19 | Smith & Nephew, Inc. | Wound dressing port and associated wound dressing |
US8298200B2 (en) | 2009-06-01 | 2012-10-30 | Tyco Healthcare Group Lp | System for providing continual drainage in negative pressure wound therapy |
JP2011518222A (en) * | 2008-04-21 | 2011-06-23 | スリーエム イノベイティブ プロパティズ カンパニー | Nitric oxide releasing composition, device and method |
US9457123B2 (en) * | 2008-09-24 | 2016-10-04 | 3M Innovative Properties Company | Hydrogels with release element |
JP5421379B2 (en) * | 2008-09-30 | 2014-02-19 | スリーエム イノベイティブ プロパティズ カンパニー | Thin film nasal dilator with delivery system |
WO2010048078A1 (en) | 2008-10-24 | 2010-04-29 | 3M Innovative Properties Company | Conformable wound dressing |
US8563800B2 (en) * | 2008-11-18 | 2013-10-22 | Patricia A. Smith | Method of use of a tulip-shaped sacral wound dressing |
JP6001449B2 (en) | 2009-06-16 | 2016-10-05 | スリーエム イノベイティブ プロパティズ カンパニー | Flexible adhesive medical article comprising a self-supporting substrate |
US20100324516A1 (en) | 2009-06-18 | 2010-12-23 | Tyco Healthcare Group Lp | Apparatus for Vacuum Bridging and/or Exudate Collection |
US9480760B2 (en) | 2009-06-25 | 2016-11-01 | 3M Innovative Properties Company | Light-activated antimicrobial article and method of use |
WO2011008441A1 (en) | 2009-06-30 | 2011-01-20 | 3M Innovative Properties Company | Light-activated antimicrobial article and method of use |
JP5775078B2 (en) | 2009-08-21 | 2015-09-09 | スリーエム イノベイティブ プロパティズ カンパニー | Method and product for reducing tissue damage using water-resistant stress dispersion materials |
BR112012003745A2 (en) | 2009-08-21 | 2019-09-24 | 3M Innovantive Properties Company | fabric lighting methods and products |
US10080555B2 (en) | 2009-08-21 | 2018-09-25 | 3M Innovative Properties Company | Methods and products for reducing tissue trauma using water-absorbing stress-distributing materials |
BR112012010858B8 (en) | 2009-11-09 | 2018-10-02 | 3M Innovative Properties Co | '' Medical article and method for increasing the moisture vapor transmission rate. |
EP2498988B1 (en) | 2009-11-09 | 2019-02-27 | 3M Innovative Properties Company | Medical articles and methods of making using miscible composition |
ES2731200T3 (en) | 2009-12-22 | 2019-11-14 | Smith & Nephew Inc | Apparatus for negative pressure wound therapy |
USRE48117E1 (en) | 2010-05-07 | 2020-07-28 | Smith & Nephew, Inc. | Apparatuses and methods for negative pressure wound therapy |
USD714433S1 (en) | 2010-12-22 | 2014-09-30 | Smith & Nephew, Inc. | Suction adapter |
BR112013018320A2 (en) | 2010-12-22 | 2018-09-11 | Smith & Nephew, Inc. | negative pressure wound therapy apparatus and methods |
CA2824045C (en) | 2011-01-07 | 2019-04-09 | Neodyne Biosciences, Inc. | Wound or skin treatment devices and methods |
EP2680800B1 (en) * | 2011-03-03 | 2016-04-27 | Neodyne Biosciences, Inc. | Devices for skin tightening |
CN103648453A (en) * | 2011-05-02 | 2014-03-19 | 比尔吉特·瑞辛格 | Wound care article |
US10561359B2 (en) | 2011-12-02 | 2020-02-18 | Neodyne Biosciences, Inc. | Elastic devices, methods, systems and kits for selecting skin treatment devices |
US10213350B2 (en) | 2012-02-08 | 2019-02-26 | Neodyne Biosciences, Inc. | Radially tensioned wound or skin treatment devices and methods |
US9615974B1 (en) | 2012-10-12 | 2017-04-11 | Pius Efobi | Wound care pad management system and device |
US9441079B2 (en) | 2012-11-20 | 2016-09-13 | 3M Innovative Properties Company | Block copolymer comprising polyorganosiloxane block and polyolefin block |
WO2014081626A1 (en) | 2012-11-20 | 2014-05-30 | 3M Innovative Properties Company | Laminates and articles comprising a block copolymer coating comprising polyorganosiloxane and polyolefin |
DE102012223399A1 (en) * | 2012-12-17 | 2014-06-18 | Paul Hartmann Ag | Cuttable wound dressing |
EP2934402B1 (en) | 2012-12-21 | 2020-10-07 | 3M Innovative Properties Company | Medical dressing comprising a flap |
BR112015023157A2 (en) | 2013-03-14 | 2017-07-18 | 3M Innovative Properties Co | hydrocolloid compositions, wound dressing and method of forming a hydrocolloid composition |
US10772767B2 (en) | 2013-06-28 | 2020-09-15 | 3M Innovative Properties Company | Fibrin-coated wound dressing |
AU2014307884B2 (en) * | 2013-08-12 | 2019-03-28 | Bsn Medical Gmbh | Wound care article having a substantially polygonal or ellipsoid main surface and at least one recess arranged on one side |
JP6114481B2 (en) | 2013-12-31 | 2017-04-12 | スリーエム イノベイティブ プロパティズ カンパニー | Shape-compatible drape cover dressing |
EP3113827A1 (en) | 2014-03-05 | 2017-01-11 | 3M Innovative Properties Company | Graphic for medical article securement systems and methods of using same |
US10016310B2 (en) | 2014-07-31 | 2018-07-10 | Johnson & Johnson Consumer Inc. | Wound dressing assembly |
US10034799B2 (en) * | 2014-07-31 | 2018-07-31 | Johnson & Johnson Consumer Inc. | Two-stage wound dressing assembly |
US20160074551A1 (en) * | 2014-09-16 | 2016-03-17 | Carolyn Patrice Smith | Disposable absorbent pad |
WO2016053875A1 (en) | 2014-10-01 | 2016-04-07 | 3M Innovative Properties Company | Medical dressings comprising fluid management articles and methods of using same |
USD773059S1 (en) | 2015-03-16 | 2016-11-29 | Covidien Lp | Sacral wound dressing |
USD774201S1 (en) | 2015-03-16 | 2016-12-13 | Covidien Lp | Sacral wound dressing |
USD774200S1 (en) | 2015-03-16 | 2016-12-13 | Covidien Lp | Sacral wound dressing |
EP3274002B1 (en) | 2015-03-27 | 2021-09-22 | 3M Innovative Properties Company | Fibrin composition, method and wound articles |
EP3337545B1 (en) | 2015-08-21 | 2021-01-13 | 3M Innovative Properties Company | Nasogastric tube securement systems |
EP3337547B1 (en) | 2015-08-21 | 2020-11-18 | 3M Innovative Properties Company | Nasogastric tube securement systems |
US10813846B2 (en) | 2015-08-21 | 2020-10-27 | 3M Innovative Properties Company | Nasogastric tube securement systems and methods of using same |
USD773060S1 (en) | 2015-12-21 | 2016-11-29 | Covidien Lp | Sacral wound dressing |
WO2018067622A1 (en) | 2016-10-05 | 2018-04-12 | 3M Innovative Properties Company | Fibrinogen composition, method and wound articles |
EP3522942B1 (en) | 2016-10-05 | 2023-12-27 | 3M Innovative Properties Company | Fibrin composition comprising carrier material, method and wound articles |
EP3522844B1 (en) | 2016-10-07 | 2022-06-29 | 3M Innovative Properties Company | Conformable wound dressing and delivery system |
USD806882S1 (en) * | 2016-10-07 | 2018-01-02 | 3M Innovative Properties Company | Medical dressing |
USD806255S1 (en) * | 2016-10-07 | 2017-12-26 | 3M Innovative Properties Company | Medical dressing |
US11033436B2 (en) | 2016-11-11 | 2021-06-15 | 3M Innovative Properties Company | Trimmable conformable wound dressing |
EP3589345A1 (en) | 2017-03-02 | 2020-01-08 | 3M Innovative Properties Company | Endotracheal tube securement systems and methods of using same |
USD852368S1 (en) | 2017-03-27 | 2019-06-25 | Avery Dennison Corporation | Catheter dressing |
US20190099294A1 (en) * | 2017-09-29 | 2019-04-04 | Johnson & Johnson Consumer Inc. | Extensible Dressings |
WO2019143683A1 (en) | 2018-01-16 | 2019-07-25 | Yu Andrew S | Pressure bandage |
GB201811449D0 (en) | 2018-07-12 | 2018-08-29 | Smith & Nephew | Apparatuses and methods for negative pressure wound therapy |
CN112996438A (en) * | 2018-09-20 | 2021-06-18 | 凸版印刷株式会社 | Patch for examination |
WO2020159859A1 (en) * | 2019-02-01 | 2020-08-06 | Kci Licensing, Inc. | Partially transparent wound dressing |
USD921206S1 (en) | 2019-09-10 | 2021-06-01 | Medline Industries, Inc. | Window dressing |
USD921205S1 (en) | 2019-09-10 | 2021-06-01 | Medline Industries, Inc. | Window dressing |
USD923182S1 (en) | 2019-09-10 | 2021-06-22 | Medline Industries, Inc. | Window dressing |
USD1006236S1 (en) | 2019-10-07 | 2023-11-28 | 3M Innovative Properties Company | Wound dressing |
US20240099896A1 (en) * | 2019-10-07 | 2024-03-28 | 3M Innovative Properties Company | A wound dressing |
US20220379018A1 (en) | 2019-12-10 | 2022-12-01 | Neodyne Biosciences, Inc. | Tensioned infusion systems with removable hubs |
GB202000574D0 (en) | 2020-01-15 | 2020-02-26 | Smith & Nephew | Fluidic connectors for negative pressure wound therapy |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE24906E (en) | 1955-11-18 | 1960-12-13 | Pressure-sensitive adhesive sheet material | |
US4112213A (en) | 1964-09-28 | 1978-09-05 | Johnson & Johnson | Pressure sensitive adhesive tapes and method of making same |
US3389827A (en) | 1967-04-10 | 1968-06-25 | Minnesota Mining & Mfg | Easy-open container and sealing tape |
GB1576522A (en) | 1977-05-24 | 1980-10-08 | Colorplast International A S | Sealing material for ostomy devices |
US4310509A (en) | 1979-07-31 | 1982-01-12 | Minnesota Mining And Manufacturing Company | Pressure-sensitive adhesive having a broad spectrum antimicrobial therein |
US4323557A (en) | 1979-07-31 | 1982-04-06 | Minnesota Mining & Manufacturing Company | Pressure-sensitive adhesive containing iodine |
CA1192825A (en) | 1980-11-10 | 1985-09-03 | Minnesota Mining And Manufacturing Company | Device and method for applying conformable, thin adhesive-coated films |
US4565663A (en) | 1981-06-26 | 1986-01-21 | Minnesota Mining And Manufacturing Company | Method for making water-swellable composite sheet |
US4373519A (en) | 1981-06-26 | 1983-02-15 | Minnesota Mining And Manufacturing Company | Composite wound dressing |
US4499896A (en) | 1982-03-30 | 1985-02-19 | Minnesota Mining And Manufacturing Co. | Reservoir wound dressing |
US4472480A (en) | 1982-07-02 | 1984-09-18 | Minnesota Mining And Manufacturing Company | Low surface energy liner of perfluoropolyether |
US4477325A (en) | 1982-07-12 | 1984-10-16 | Hollister Incorporated | Skin barrier composition comprising an irradiated crosslinked ethylene-vinyl acetate copolymer and polyisobutylene |
JPS60500992A (en) | 1983-04-07 | 1985-07-04 | ミネソタ マイニング アンド マニユフアクチユアリング カンパニ− | Adhesives and adhesive-coated sheet materials for wet skin |
US4551490A (en) | 1983-06-27 | 1985-11-05 | E. R. Squibb & Sons, Inc. | Adhesive composition resistant to biological fluids |
USRE33353E (en) | 1985-01-24 | 1990-09-25 | Minnesota Mining And Manufacturing Company | Thin film surgical dressing with delivery system |
US4598004A (en) | 1985-01-24 | 1986-07-01 | Minnesota Mining And Manufacturing Company | Thin film surgical dressing with delivery system |
US5153040A (en) | 1985-03-11 | 1992-10-06 | Minnesota Mining And Manufacturing Co. | Wound dressing |
US4693776A (en) | 1985-05-16 | 1987-09-15 | Minnesota Mining And Manufacturing Company | Macromer reinforced pressure sensitive skin adhesive |
US4738257A (en) | 1986-06-11 | 1988-04-19 | Hollister Incorporated | Occlusive wound care dressing |
US4944040A (en) | 1986-06-26 | 1990-07-31 | Minnesota Mining And Manufacturing Company | Light occlusive eye patch |
US5009224A (en) | 1986-09-30 | 1991-04-23 | Minnesota Mining And Manufacturing Company | Method for attaching a pressure-sensitive film article having high moisture vapor transmission rate |
US4737410A (en) | 1986-11-28 | 1988-04-12 | Minnesota Mining And Manufacturing Company | Polyalkyloxazoline-reinforced acrylic pressure-sensitive adhesive composition |
US4952618A (en) * | 1988-05-03 | 1990-08-28 | Minnesota Mining And Manufacturing Company | Hydrocolloid/adhesive composition |
CA1320409C (en) | 1988-11-04 | 1993-07-20 | Steven B. Heinecke | Adhesive frame bandage |
US5088483A (en) | 1988-11-04 | 1992-02-18 | Minnesota Mining And Manufacturing Co. | Adhesive frame bandage |
US5160315A (en) | 1991-04-05 | 1992-11-03 | Minnesota Mining And Manufacturing Company | Combined adhesive strip and transparent dressing delivery system |
CA2104046C (en) | 1992-10-05 | 1998-09-15 | Yen-Lane Chen | Adhesive compositions, wound dressings and methods |
AU682853B2 (en) * | 1993-03-22 | 1997-10-23 | Minnesota Mining And Manufacturing Company | Windowless frame delivered dressing and method of manufacture |
US5968533A (en) * | 1994-11-15 | 1999-10-19 | Porter; Steven S. | Skin care compositions and methods |
US6149614A (en) | 1996-07-02 | 2000-11-21 | Minnesota Mining And Manufacturing Company | Medical adhesive composite and package |
USD410087S (en) | 1996-07-02 | 1999-05-18 | Dunshee Wayne K | Adhesive bandage |
US5733570A (en) | 1996-09-05 | 1998-03-31 | Minnesota Mining And Manufacturing Company | Absorbent dressing |
US5849325A (en) | 1996-10-07 | 1998-12-15 | Minnesota Mining And Manufacturing Company | Moisture-regulating adhesive dressing |
US6171985B1 (en) | 1997-12-01 | 2001-01-09 | 3M Innovative Properties Company | Low trauma adhesive article |
USD408541S (en) | 1998-04-13 | 1999-04-20 | Dunshee Wayne K | Bandage and bandage with carrier |
USD409754S (en) | 1998-04-13 | 1999-05-11 | Dunshee Wayne K | Bandage |
-
1999
- 1999-11-29 US US09/450,242 patent/US6264976B1/en not_active Expired - Lifetime
-
2001
- 2001-06-06 US US09/875,827 patent/US6436432B2/en not_active Expired - Lifetime
Cited By (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9844474B2 (en) | 2002-10-28 | 2017-12-19 | Smith & Nephew Plc | Apparatus for aspirating, irrigating and cleansing wounds |
US10278869B2 (en) | 2002-10-28 | 2019-05-07 | Smith & Nephew Plc | Apparatus for aspirating, irrigating and cleansing wounds |
US9387126B2 (en) | 2002-10-28 | 2016-07-12 | Smith & Nephew Plc | Apparatus for aspirating, irrigating and cleansing wounds |
US8398614B2 (en) | 2002-10-28 | 2013-03-19 | Smith & Nephew Plc | Apparatus for aspirating, irrigating and cleansing wounds |
US9205001B2 (en) | 2002-10-28 | 2015-12-08 | Smith & Nephew Plc | Apparatus for aspirating, irrigating and cleansing wounds |
US8834451B2 (en) | 2002-10-28 | 2014-09-16 | Smith & Nephew Plc | In-situ wound cleansing apparatus |
US9844473B2 (en) | 2002-10-28 | 2017-12-19 | Smith & Nephew Plc | Apparatus for aspirating, irrigating and cleansing wounds |
US8535296B2 (en) | 2002-10-28 | 2013-09-17 | Smith & Nephew Plc | Apparatus for aspirating, irrigating and cleansing wounds |
US10842678B2 (en) | 2002-10-28 | 2020-11-24 | Smith & Nephew Plc | Apparatus for aspirating, irrigating and cleansing wounds |
US20050089551A1 (en) * | 2003-10-22 | 2005-04-28 | Recupero Elizabeth A. | Clotting agent-containing window dressing |
US8758313B2 (en) | 2003-10-28 | 2014-06-24 | Smith & Nephew Plc | Apparatus and method for wound cleansing with actives |
US11298453B2 (en) | 2003-10-28 | 2022-04-12 | Smith & Nephew Plc | Apparatus and method for wound cleansing with actives |
US9616208B2 (en) | 2003-10-28 | 2017-04-11 | Smith & Nephew Plc | Wound cleansing apparatus |
US8257327B2 (en) | 2003-10-28 | 2012-09-04 | Smith & Nephew Plc | Wound cleansing apparatus with actives |
US8926592B2 (en) | 2003-10-28 | 2015-01-06 | Smith & Nephew Plc | Wound cleansing apparatus with heat |
US9289542B2 (en) | 2003-10-28 | 2016-03-22 | Smith & Nephew Plc | Wound cleansing apparatus |
US10842919B2 (en) | 2004-04-05 | 2020-11-24 | Smith & Nephew, Inc. | Reduced pressure treatment system |
US10058642B2 (en) | 2004-04-05 | 2018-08-28 | Bluesky Medical Group Incorporated | Reduced pressure treatment system |
US11730874B2 (en) | 2004-04-05 | 2023-08-22 | Smith & Nephew, Inc. | Reduced pressure treatment appliance |
US9198801B2 (en) | 2004-04-05 | 2015-12-01 | Bluesky Medical Group, Inc. | Flexible reduced pressure treatment appliance |
US10363346B2 (en) | 2004-04-05 | 2019-07-30 | Smith & Nephew, Inc. | Flexible reduced pressure treatment appliance |
US10350339B2 (en) | 2004-04-05 | 2019-07-16 | Smith & Nephew, Inc. | Flexible reduced pressure treatment appliance |
US8449509B2 (en) | 2004-04-05 | 2013-05-28 | Bluesky Medical Group Incorporated | Flexible reduced pressure treatment appliance |
US10105471B2 (en) | 2004-04-05 | 2018-10-23 | Smith & Nephew, Inc. | Reduced pressure treatment system |
US10758424B2 (en) | 2004-04-28 | 2020-09-01 | Smith & Nephew Plc | Dressing and apparatus for cleansing the wounds |
US9950100B2 (en) | 2004-04-28 | 2018-04-24 | Smith & Nephew Plc | Negative pressure wound therapy dressing system |
US10039868B2 (en) | 2004-04-28 | 2018-08-07 | Smith & Nephew Plc | Dressing and apparatus for cleansing the wounds |
US9044569B2 (en) | 2004-04-28 | 2015-06-02 | Smith & Nephew Plc | Wound dressing apparatus and method of use |
US10758425B2 (en) | 2004-04-28 | 2020-09-01 | Smith & Nephew Plc | Negative pressure wound therapy dressing system |
US10207035B2 (en) | 2004-05-21 | 2019-02-19 | Smith & Nephew, Inc. | Flexible reduced pressure treatment appliance |
EP1683502A1 (en) | 2005-01-24 | 2006-07-26 | Beiersdorf Aktiengesellschaft | Film wound dressing |
US10363345B2 (en) | 2009-02-13 | 2019-07-30 | Smith & Nephew Plc | Wound packing |
US8791316B2 (en) | 2009-02-13 | 2014-07-29 | Smith & Nephew Plc | Wound packing |
US9370450B2 (en) | 2009-02-13 | 2016-06-21 | Smith & Nephew Plc | Wound packing |
US11357903B2 (en) | 2009-02-13 | 2022-06-14 | Smith & Nephew Plc | Wound packing |
US10765561B2 (en) | 2010-02-26 | 2020-09-08 | Smith & Nephew, Inc. | Systems and methods for using negative pressure wound therapy to manage open abdominal wounds |
US11484443B2 (en) | 2010-02-26 | 2022-11-01 | Smith & Nephew, Inc. | Systems and methods for using negative pressure wound therapy to manage open abdominal wounds |
US8791315B2 (en) | 2010-02-26 | 2014-07-29 | Smith & Nephew, Inc. | Systems and methods for using negative pressure wound therapy to manage open abdominal wounds |
US8979813B2 (en) * | 2010-04-12 | 2015-03-17 | Mölnlycke Health Care Ab | Ostomy device |
US20130090617A1 (en) * | 2010-04-12 | 2013-04-11 | Molnlycke Health Care Ab | Ostomy device |
USD717452S1 (en) | 2010-06-03 | 2014-11-11 | Smith & Nephew, Inc. | Organ protection layer |
USD692565S1 (en) | 2010-06-03 | 2013-10-29 | Smith & Nephew, Inc. | Organ protection layer |
USD679404S1 (en) | 2010-06-03 | 2013-04-02 | Smith & Nephew, Inc. | Organ protection layer |
USRE49227E1 (en) | 2010-10-15 | 2022-10-04 | Smith & Nephew Plc | Medical dressing |
USRE48282E1 (en) | 2010-10-15 | 2020-10-27 | Smith & Nephew Plc | Medical dressing |
US10456497B2 (en) | 2014-09-10 | 2019-10-29 | C. R. Bard, Inc. | Protective dressing for skin-placed medical device |
US20210330417A1 (en) * | 2019-01-11 | 2021-10-28 | Toppan Printing Co., Ltd. | Adhesive examination marker |
WO2021090113A1 (en) | 2019-11-05 | 2021-05-14 | 3M Innovative Properties Company | Adhesive medical article having fluid management properties |
EP3818968A1 (en) | 2019-11-05 | 2021-05-12 | 3M Innovative Properties Company | Adhesive medical article having fluid management properties |
US20220395401A1 (en) * | 2019-11-05 | 2022-12-15 | 3M Innovative Properties Company | Adhesive medical article having fluid management properties |
EP3939555A1 (en) | 2020-07-14 | 2022-01-19 | 3M Innovative Properties Company | Adhesive eyelid closure article |
WO2022013643A1 (en) | 2020-07-14 | 2022-01-20 | 3M Innovative Properties Company | Adhesive eyelid closure article |
USD1040356S1 (en) | 2022-02-11 | 2024-08-27 | Coloplast A/S | Absorbent heel wound dressing |
IL292189B1 (en) * | 2022-04-12 | 2023-05-01 | Reddress Ltd | Coagulation mold and manufacturing process thereof |
IL292189B2 (en) * | 2022-04-12 | 2023-09-01 | Reddress Ltd | Coagulation mold and manufacturing process thereof |
Also Published As
Publication number | Publication date |
---|---|
US6264976B1 (en) | 2001-07-24 |
US6436432B2 (en) | 2002-08-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6436432B2 (en) | Absorbent pad dressing frame delivery system | |
US8084665B2 (en) | Conformable wound dressing | |
AU2000279849B2 (en) | Medical dressings with multiple adhesives and methods of manufacturing | |
CA1323269C (en) | Thin film surgical dressing with delivery system | |
AU659825B2 (en) | Combined adhesive strip and transparent dressing delivery system | |
EP2349154B1 (en) | Wound dressing | |
EP2346459B1 (en) | Conformable wound dressing | |
AU2000279849A1 (en) | Medical dressings with multiple adhesives and methods of manufacturing | |
AU2000279849A2 (en) | Medical dressings with multiple adhesives and methods of manufacturing |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
CC | Certificate of correction | ||
FPAY | Fee payment |
Year of fee payment: 4 |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
FPAY | Fee payment |
Year of fee payment: 12 |