Thin Polymeric Film Or Adhesive Patents (Class 602/52)
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Patent number: 8629314Abstract: An adhesion inhibiting surgical barrier. The surgical barrier includes a wound-facing polymeric coating comprising an enteric polymer; and at least one flexible substrate, the at least one flexible substrate having at least one exterior surface, wherein the polymeric coating is applied to the at least one flexible substrate to substantially cover the at least one exterior surface thereof. A method of inhibiting the formation of adhesions in a patient who has undergone a surgical procedure and a method of repairing a gastric or duodenal perforation are also described herein.Type: GrantFiled: December 18, 2008Date of Patent: January 14, 2014Assignee: Ethicon, Inc.Inventors: Robert W. Van Holten, Jagdishchandra C. Patel
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Publication number: 20130281906Abstract: Provided is a film dressing that includes a thin plastic film coated with an adhesive, and a carrier layer applied on the plastic film on a side opposite to the adhesive coating. The adhesive coating has a softness of 10-22 mm and a weight per unit area of 50 g/m2 or more.Type: ApplicationFiled: June 17, 2013Publication date: October 24, 2013Applicant: MOLNLYCKE HEALTH CARE ABInventors: Tomas Fabo, Bengt Söderström, Anna Svensby
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Patent number: 8563800Abstract: A sacral wound dressing having a bottom end with three substantially V-shaped projections. In use, a protective layer of the wound dressing is removed to expose an adhesive layer and an absorbent layer, the wound dressing is folded over on itself substantially along a central axis, a medial V-shaped projection is inserted into a superior portion of the gluteal cleft of the person to adhere the medial projection to the skin within the gluteal cleft, two lateral V-shaped projections are then pushed against a superior portion of the buttocks of the person to adhere the lateral projections to the skin, and the opposing lateral ends and the top end of the wound dressing are then pushed against the skin of the person until the wound dressing is properly adhered to the sacrococcygeal region over the sacral wound.Type: GrantFiled: November 17, 2009Date of Patent: October 22, 2013Inventor: Patricia A. Smith
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Patent number: 8546637Abstract: Provided are medical articles (e.g., wound dressings) that include a pressure sensitive adhesive layer and methods of making the medical articles using immiscible materials that increase moisture vapor transmission rates.Type: GrantFiled: November 9, 2010Date of Patent: October 1, 2013Assignee: 3M Innovative Properties CompanyInventors: David R. Holm, Dong-Wei Zhu
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Patent number: 8496625Abstract: A bandage can be used to secure a needle to an access site so as to prevent unintended movement or withdrawal of the needle from the access site during administration of a treatment to a patient. After treatment, the needle can be removed by manipulating a portion of the bandage. Another portion of the bandage can be maintained in position over the access site during needle removal and can be used to promote clotting of the site after needle removal. The bandage may include a clotting agent, a hemostasis pad, and/or a clot-promoting structure. Additionally or alternatively, finger pressure can be applied to the access site through the bandage. For example, the bandage may include a viewing window without any adhesive to allow visual monitoring of the access site during treatment. Finger pressure may be applied to the viewing window and thereby to the access site during and after needle removal to encourage hemostasis.Type: GrantFiled: May 26, 2011Date of Patent: July 30, 2013Assignee: NxStage Medical, Inc.Inventors: James M. Brugger, Steven C. Alford, William Schnell, Mark Florence
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Patent number: 8497407Abstract: The present invention relates to a film dressing comprising a thin plastic film (2) coated with an adhesive (3). In accordance with the invention, the adhesive (3) has a softness of 10-22 mm, and the adhesive coating has a weight per unit area of 50 g/m2 or more.Type: GrantFiled: January 9, 2006Date of Patent: July 30, 2013Assignee: Molnlycke Health Care ABInventors: Tomas Fabo, Bengt Söderström, Anna Svensby
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Patent number: 8460699Abstract: A device for promoting the clotting of blood comprises a clay material in particle form and a receptacle for containing the clay material. At least a portion of the receptacle is defined by a mesh. Another device comprises a gauze substrate and a clay material disposed on the gauze substrate. Another device is a bandage comprising a substrate, a mesh mounted on the substrate, and particles of a clay material retained in the mesh. A hemostatic sponge comprises a substrate, a hemostatic material disposed on a first surface of the substrate, and a release agent disposed on a second surface of the substrate. The release agent is disposed on the wound-contacting surface of the substrate. When treating a bleeding wound, application of the hemostatic sponge causes at least a portion of the hemostatic material to come into contact with blood through the release agent and through the substrate.Type: GrantFiled: August 23, 2012Date of Patent: June 11, 2013Assignee: Z-Medica, LLCInventors: Raymond J. Huey, Denny Lo, Daniel J. Burns, Giacomo Basadonna, Francis X. Hursey
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Patent number: 8455376Abstract: An adhesive preparation comprising a stretchable support and an adhesive layer laminated on at least one side of the support, wherein the stretchable support comprises a interlock woven fabric subjected to crimping processing, the adhesive layer contains 10% by mass or more of methyl salicylate with respect to the total mass of the layer, the whole adhesive preparation has moisture permeability of 1 to 350 g/m2·24 hr measured at a temperature of 40° C. and a relative humidity of 90%, and the methyl salicylate has a plasma AUC0-24 ranging from 3.0 to 60.0 ng·hr/mL in terms of a mean±standard deviation, and salicylic acid as a metabolite of the methyl salicylate has a plasma AUC0-24 ranging from 5000 to 13000 ng·hr/mL in terms of a mean±standard deviation, when the adhesive preparation is applied to a human skin for 8 hours such that an application amount of the adhesive layer applied is 50 to 300 g/m2 and a contact area is 280 cm2.Type: GrantFiled: August 1, 2007Date of Patent: June 4, 2013Assignee: Hisamitsu Pharmaceutical Co., Inc.Inventors: Kiyomi Tsuruda, Shinji Yamasoto, Kouki Shoho, Masaru Nakanishi
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Patent number: 8426668Abstract: A dressing product includes a cover sheet, a carrier system, and a dressing sheet. The carrier system includes a periphery that is attached to the cover sheet and a lower portion that extends from the periphery to a protruding portion. The protruding portion of the carrier system is spaced apart from the cover sheet by the lower portion of the carrier system to define a cavity between the cover sheet and the carrier system. The dressing sheet includes a backing layer and an adhesive attached to the backing layer. The dressing sheet is disposed in the cavity and is contained between sidewalls that are defined by the lower portion of the carrier system.Type: GrantFiled: November 16, 2010Date of Patent: April 23, 2013Assignee: Colopast A/SInventors: Lotte Madsen, Anne-Marie Søbye Rapp, Grazyna Hansen, Bjoern Christiansen, Jan Marcussen, Troels Schoenfeldt, Morten Thomsen
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Patent number: 8344201Abstract: A dressing product includes a thin film dressing sheet, one first surface of which is coated with an adhesive, such as a pressure sensitive hydrocolloid adhesive, which is applicable to an anatomical surface of a human. A carrier system, which provides a support for the dressing sheet, defines a gripping section for handling of the carrier system. The carrier system may include one or more foil members and supporting sheets for facilitating application and for providing a non-touch application system, i.e., a system which may be handled by an operator without the operator touching the dressing sheet or at least the adhesive surface. A protective sheet having an opening for application of a pharmaceutical product to the adhesive prior to application of the dressing sheet is disclosed.Type: GrantFiled: November 16, 2010Date of Patent: January 1, 2013Assignee: Coloplast A/SInventors: Lotte Madsen, Anne-Marie Søbye Rapp, Grazyna Hansen, Bjoern Christiansen, Jan Marcussen, Troels Schoenfeldt, Morten Thomsen
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Patent number: 8343537Abstract: A hemostatic device for promoting the dotting of blood includes a gauze substrate, a clay material disposed on the gauze substrate, and also a polyol such as glycerol or the like disposed on the gauze substrate to bind the clay material. When the device is used to treat a bleeding wound, at least a portion of the clay material comes into contact with blood emanating from the wound to cause the clotting. A bandage that can be applied to a bleeding wound to promote the clotting of blood includes a flexible substrate and a gauze substrate mounted thereon. The gauze substrate includes a clay material and a polyol. A hemostatic sponge also includes a gauze substrate and a dispersion of hemostatic material and a polyol on a first surface of the substrate.Type: GrantFiled: January 31, 2012Date of Patent: January 1, 2013Assignee: Z-Medica, LLCInventors: Raymond J. Huey, Denny Lo, Daniel J. Burns, Giacomo Basadonna, Francis X. Hursey
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Publication number: 20120330211Abstract: The invention relates to the production of a pressure-sensitive adhesive composition polymerised entirely from acrylate-based monomers in a layer thickness of about 250 ?m and to the use thereof for adhesion to human skin. The adhesive films thus produced adhere reliably to human skin, have high water-vapour permeability despite the layer thickness, with the result that, for example, wound healing is promoted, and even after a relatively long wearing period can be removed from the skin again without leaving a residue and without damaging the skin.Type: ApplicationFiled: March 29, 2011Publication date: December 27, 2012Applicant: LOHMANN GMBH & CO. KGInventors: Thomas Kluge, Peter Nissing, Patricia Petrick, Mario Schuette
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Publication number: 20120330209Abstract: The present application discloses preparations of antimicrobial wound dressings. Strongly binding polymeric dialkyl aminoalkyl(meth)acrylates are used to treat highly absorbent wound dressing materials. The resulting finish is highly antimicrobial effective and non-leachable.Type: ApplicationFiled: June 20, 2012Publication date: December 27, 2012Inventors: Zhiqiang Song, Ted Deisenroth
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Publication number: 20120283615Abstract: Pressure sensitive adhesives for use primarily in medical applications are disclosed. The pressure sensitive adhesives are urethane elastomeric adhesives that include a polyurethane polymer and a compatible tackifier and/or compatible plasticizer to achieve an adhesive having a predetermined compliance. The result is a pressure sensitive adhesive for application to skin that can eventually be removed with very little trauma to the skin and with a low pain rating, but which still exhibits very good peel strength when used to construct an article in which the adhesive is adhered to human skin.Type: ApplicationFiled: April 30, 2012Publication date: November 8, 2012Applicant: ADHESIVES RESEARCH, INC.Inventors: Ranjit MALIK, Kevin MCKINNEY
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Patent number: 8293965Abstract: The present invention comprises antimicrobial articles for use with a percutaneous device, comprising a matrix which may contact the percutaneous device in a three-dimensional mode and release antimicrobial agents (e.g., silver ions) to the percutaneous device access site. In addition, the antimicrobial article of the present invention may donate moisture to a dry dermal site (e.g., a dry wound bed) and/or absorb liquid or exudates of a dermal site. The present invention also comprises methods for treating and/or preventing an infection using the antimicrobial articles of the present invention.Type: GrantFiled: April 25, 2007Date of Patent: October 23, 2012Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Jack D. McMaken, Bruce L. Gibbins
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Patent number: 8277940Abstract: A scent emitting patch remains securely attached to the skin of a wearer and is appointed for controlled release of scents. The patch is constructed having an external top layer and backing layer with a skin-contacting portion. The skin-contacting segment contains an adhesive. At least one reservoir comprising pockets or microcapsules containing a scent is disposed in at least one portion of the backing layer. These pockets or microcapsules are operative to rupture upon application of pressure or scratching by the patch wearer. Upon rupture, scent is delivered to the skin to emit aroma. Pockets containing the scent are formed in the backing layer. Microcapsules, if present, are preferably incorporated in the adhesive. A plethora of aromas are provided in the form of a perfume or cologne and correlating shapes can be used to form the patch. Scent is released at the skin-contact interface when pressure is applied ruptures the pockets or microcapsules, permitting controlled release at the wearer's election.Type: GrantFiled: June 18, 2009Date of Patent: October 2, 2012Inventors: Marcela N. Desiderio, Ernest D. Buff
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Patent number: 8273847Abstract: A medical adhesive comprises a hydrophilic urethane prepolymer (UP) obtained by reacting a fluorine-containing nonaromatic polyisocyanate component (A) and a polyol component (B) having a hydrophilic polyol (B1), and a phenolic radical scavenger (PRS). The content of (PRS) is preferably 0.01 to 3% by weight based on the weight of (UP). The content of oxyethylene groups in (B) is preferably 30 to 100% by weight based on the weight of the oxyalkylene groups in (B). Preferably, (B) is a mixture of a random copolymer obtained by addition of ethylene oxide and propylene oxide to diols and polypropylene glycol. The content of isocyanate groups in the medical adhesive is 1 to 10% by weight based on the weight of (UP). The medical adhesive is suitable for bonding body tissues, such as lung, artery and heart in particular.Type: GrantFiled: March 23, 2005Date of Patent: September 25, 2012Assignee: Sanyo Chemical Industries, LtdInventors: Tetsuji Yoshimura, Tetsuya Yamada, Takehisa Matsuda
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Publication number: 20120238932Abstract: A wound dressing (1;15;18) comprising a polyurethane film sheet (2;19) having a wound facing side (3) and an opposite side (4). The wound facing side (3) has a peripheral rim zone (5) provided with an adhesive (6) or an adhesive means (16), the peripheral rim zone (5) encircles a central sheet part (11) free of adhesive (6) or adhesive means (16), and the wound dressing (1) has a moisture vapor transmission rate of at least 1,200 g/m 2/24 hour at the adhesive-coated or adhesive-means provided rim zone (5) and a moisture vapor transmission rate at the central sheet part (12) of at least 3,000 g/m 2/24 hour. A method and production line for manufacturing various embodiments of wound dressings are also disclosed.Type: ApplicationFiled: December 3, 2009Publication date: September 20, 2012Applicant: PHARMAPLAST SAEInventors: Mamdouh H. Atteia, Wassim Fares
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Patent number: 8263720Abstract: Combinations of solubilized, covalently crosslinked, siloxy-containing polymers in a solvent system of a volatile hydrophobic (non-polar) liquid that is non-stinging to a user are excellent non-irritating liquid coating materials for forming films, which, after solvent evaporation, are water insoluble but water-vapor permeable and lightly adherent to surfaces such as skin and mucous membranes. The crosslinking content is greater than 1 weight % and can be as much as 16 weight %. In comparison to non-crosslinked polysiloxy films, or crosslinked films of 1 weight % or less, the enhanced crosslinked polysiloxy films, while continuing to be soluble in the solvent, have reduced tack and reduced adhesion to skin and can act as sacrificial coatings under strongly adherent pressure sensitive adhesives.Type: GrantFiled: October 5, 2011Date of Patent: September 11, 2012Assignee: Rochal Industries, LLPInventors: Joseph Salamone, Ann Beal Salamone, Xiang Yu, Levi J. Irwin
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Patent number: 8257732Abstract: A device for promoting the clotting of blood comprises a clay material in particle form and a receptacle for containing the clay material. At least a portion of the receptacle is defined by a mesh. Another device comprises a gauze substrate and a clay material disposed on the gauze substrate. Another device is a bandage comprising a substrate, a mesh mounted on the substrate, and particles of a clay material retained in the mesh. A hemostatic sponge comprises a substrate, a hemostatic material disposed on a first surface of the substrate, and a release agent disposed on a second surface of the substrate. The release agent is disposed on the wound-contacting surface of the substrate. When treating a bleeding wound, application of the hemostatic sponge causes at least a portion of the hemostatic material to come into contact with blood through the release agent and through the substrate.Type: GrantFiled: May 25, 2011Date of Patent: September 4, 2012Assignee: Z-Medica CorporationInventors: Raymond J. Huey, Denny Lo, Daniel J. Burns, Giacomo Basadonna, Francis X. Hursey
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Publication number: 20120220913Abstract: The invention relates to multi-layer elastic thermoplastic films, which consist of at least one layer of thermoplastic polyurethane (TPE-U), at least one further layer of thermoplastic polyurethane which is blended with modified acrylonitrile-butadiene-styrene copolymer (MABS), and optionally at least one support layer of thermoplastic polymer which is incompatible with TPE-U, and to the use thereof.Type: ApplicationFiled: November 3, 2010Publication date: August 30, 2012Applicant: Epurex Films GmbH & Co. KGInventors: Helge Kosthorst, Dirk Schultze
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Patent number: 8251940Abstract: A vibration dampening device is a patch with one or more step members that have distal ends extending from the patch. The patch is removably engaged or adhered to a wearer's skin. With the patch engaged, the distal ends of the step members have freedom of movement with respect to the patch. The patch optionally may further include one or more wing sections integrally formed therein that also have freedom of movement with respect to the portion of the patch engaged or adhered to skin. Step member and/or wing section movement counteracts longitudinal and/or radial vibrations traveling through soft tissue and musculature to dampen such vibrations.Type: GrantFiled: June 4, 2004Date of Patent: August 28, 2012Inventors: Charles Harris, Jr., John Garnier
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Publication number: 20120179083Abstract: The invention relates generally to thin-film adhesive materials suitable for various applications. In particular, the present invention provides pliable viscoelastic thin-films configured to form strong water-resistant adhesive bonds to various surface types.Type: ApplicationFiled: July 14, 2010Publication date: July 12, 2012Applicant: KNC NER ACQUISITION SUB, INC.Inventors: Bruce P. Lee, Jediah White, Fangmin Xu, John L. Murphy, Laura Vollenweider
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Patent number: 8217216Abstract: First aid hats/First aid caps are a cost effective and economical method for treating any systemic illness or topical skin condition such as boil, bruise, or burn, using first aid strips, by providing a pouch which provides a means to use medication in the form of cream or gel. The provision of a pouch prevents medication from escaping when applied on the body with an adhesive first aid strip. Thus a measured amount of any medication when applied stays where it is applied and not lost. A ring made of rubber/latex is used to create the said pouch, when placed on the first aid strip.Type: GrantFiled: August 8, 2001Date of Patent: July 10, 2012Inventor: Hoskote B. Sundaresh
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Publication number: 20120172777Abstract: The present invention provides a method for using a stabilized foam that is a crosslinked, closed cell polyolefin having a stabilizing layer and an adhesive layer. The method can be used for treating a wound, scrape, abrasion or skin puncture, for maintaining cleanliness of an operation incision site, suture site, catheter insertion site, or an intentional skin breach site, for monitoring electrical impulses during an EKG or for delivering electrical impulses in TENS or biofeedback therapy, and for reducing scar formation by softening collagen deposits.Type: ApplicationFiled: March 12, 2012Publication date: July 5, 2012Inventor: Marc D. Etchells
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Patent number: 8212101Abstract: A window dressing includes a fabric layer having juxtaposed insertion site viewing and anchor member portions. The fabric layer has an adhesive side and an opposite non-adhesive top side. The insertion site viewing portion is defined by an opening in the fabric layer. A transparent film layer having an adhesive skin-adhering, bottom, side and an opposite non-adhesive side is adhered to the fabric layer adhesive side and closes the opening in the fabric layer. The anchor member portion includes a reinforcing structure disposed on the fabric layer and having an adhesive side and an opposite non-adhesive side. The reinforcing structure adhesive side is adhered to the fabric layer non-adhesive top side.Type: GrantFiled: January 28, 2010Date of Patent: July 3, 2012Assignee: Centurion Medical Products CorporationInventor: Donald J. Propp
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Patent number: 8197803Abstract: Liquid hemostatic coating materials comprise a cyanoacrylate monomer and a solvent system comprising a volatile, non-reactive liquid that is non-stinging and non-irritating to a user. The material forms a coating or bandage in the form of a film that when applied and adhered to a surface or to the skin of a user inhibits the application surface from adhering to another surface.Type: GrantFiled: March 31, 2009Date of Patent: June 12, 2012Assignee: Rochal Industries, LLPInventors: Ann Beal Salamone, Joseph C. Salamone
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Patent number: 8168851Abstract: An adhesive skin patch sheet comprises a support, a pressure-sensitive adhesive layer and a release sheet laminated in that order, the release sheet is divided by a cut line into a small first release sheet and a large second release sheet, the cut line is formed so as to be convex only from the second release sheet toward the first release sheet.Type: GrantFiled: November 6, 2008Date of Patent: May 1, 2012Assignee: Lintec CorporationInventors: Kaname Nakahara, Atsuko Kameshima
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Patent number: 8152750Abstract: The present invention relates generally to the field of hemodialysis, including methods and kits that can be employed to improve hemodialysis therapy. The present invention encompasses methods and kits useful for reducing vascular access complications associated with hemodialysis therapy and prolonging the period of time for which a vascular access site can be used in a patient.Type: GrantFiled: September 13, 2004Date of Patent: April 10, 2012Assignee: Marine Polymer Technologies, Inc.Inventors: John N. Vournakis, Sergio Finkielsztein
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Patent number: 8153394Abstract: An apparatus and method are provided for visually monitoring, detecting, and/or determining the presence, absence, and/or growth of harmful or potentially harmful bacterial microorganisms beneath a wound dressing, in one example used to cover an indwelling central venous catheter or other catheter. A bacteria detection apparatus includes a barrier membrane, a permeable membrane for placement proximate a wound or a catheter insertion site, and an indicator between the barrier membrane and the permeable membrane for indicating the presence of bacteria proximate the permeable membrane. A method of using a bacterial growth detection apparatus is also provided.Type: GrantFiled: May 5, 2010Date of Patent: April 10, 2012Assignee: Indicator Systems InternationalInventor: Jon Booher
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Patent number: 8137450Abstract: A lyophilized glue contains a collagen which is partially crosslinked with the aid of at least one type of aldehyde. A method for preparing the glue and the use thereof for producing an adhesive on anti-adhesive prosthesis are also provided.Type: GrantFiled: July 7, 2005Date of Patent: March 20, 2012Assignee: SymateseInventors: Bernard Ragaru, Benjamin Herbage
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Patent number: 8114433Abstract: A hemostatic device for promoting the clotting of blood includes a gauze substrate, a clay material disposed on the gauze substrate, and also a polyol such as glycerol or the like disposed on the gauze substrate to bind the clay material. When the device is used to treat a bleeding wound, at least a portion of the clay material comes into contact with blood emanating from the wound to cause the clotting. A bandage that can be applied to a bleeding wound to promote the clotting of blood includes a flexible substrate and a gauze substrate mounted thereon. The gauze substrate includes a clay material and a polyol. A hemostatic sponge also includes a gauze substrate and a dispersion of hemostatic material and a polyol on a first surface of the substrate.Type: GrantFiled: October 19, 2009Date of Patent: February 14, 2012Assignee: Z-Medica CorporationInventors: Raymond J. Huey, Denny Lo, Daniel J. Burns, Giacomo Basadonna, Francis X. Hursey
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Patent number: 8110718Abstract: A carrier delivered dressing is disclosed which has a conformable backing with a pressure sensitive adhesive coated on a bottom face and removable carrier attached to the top face of the backing. A bond block material is positioned between the backing and the carrier. A cut line traverses both the carrier and the bond block material to form a tab.Type: GrantFiled: October 27, 2008Date of Patent: February 7, 2012Assignee: 3M Innovative Properties CompanyInventor: Steven B. Heinecke
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Patent number: 8097274Abstract: Provided herein are skin substitutes suitable for use in a living subject for purpose of repairing damaged tissues, methods of producing the skin substitutes and their uses. A biocomposite membrane comprising poly(?-caprolactone) (PCL) and at least one material selected from collagen and gelatin is provided. In one embodiment, the biocomposite is a 2-component membrane of PCL and gelatin. In another embodiment, the biocomposite is a 3-component membrane of PCL, collagen and gelatin. The bio-composite membrane may be used directly in vivo as a wound dressing, or as a support for cell growth on each side of the membrane to produce an in vitro cultivated artificial skin for future in vivo and/or in vitro applications.Type: GrantFiled: October 27, 2006Date of Patent: January 17, 2012Assignee: National Defense Medical CenterInventors: Allan Gerald Arthur Coombes, Eric Frank Adams, Niann-Tzyy Dai, Tsung-Hsun Liu, Ming-Kung Yeh
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Patent number: 8076528Abstract: Accordingly, the present invention relates to a pressure sensitive adhesive composition consisting of a continuous phase comprising cross-linked polyalkyleneoxide polymer and a discontinuous phase comprising water absorbent hydrophilic agents wherein a) the water absorbent hydrophilic agent(s) is present in an amount between 1 and 40% w/w of the total adhesive composition; and b) the continuous phase comprises the reaction product (X) of: (i) a polyalkyleneoxide polymer having one or more unsaturated end groups, and where more than 90% w/w of the polyalkylene oxide polymer consist of polymerised alkyleneoxide moities having three or more carbon atoms, and (ii) an organosiloxane comprising one or more Si—H groups, carried out in the presence of an addition reaction catalyst. The present invention also relates to medical devices comprising such pressure sensitive adhesives.Type: GrantFiled: May 3, 2007Date of Patent: December 13, 2011Assignee: Coloplast A/SInventors: Peter Kwok Hing Lam, Kristoffer Hansen, Anders Bach, Mads Lykke
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Patent number: 8021347Abstract: A composite wound dressing and delivery apparatus includes a substantially transparent dressing layer having a lower surface that is coated with a pressure sensitive for applying the dressing layer over a wound to define a reservoir in which a negative pressure may be maintained. A substantially transparent backing layer adhered to the lower surface of the dressing layer in a releasable manner, and a vacuum port is centrally located on the dressing layer. The vacuum port is adapted to provide fluid communication between a vacuum source and the reservoir through the dressing layer. A targeting grid associated with either the dressing layer or the backing layer includes regularly spaced reference marks along at least two axes extending from the vacuum port.Type: GrantFiled: July 21, 2008Date of Patent: September 20, 2011Assignee: Tyco Healthcare Group LPInventors: Ronald F. Vitaris, Rose Anderson, Deirdre McKeown, Adam M. Ruggles
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Patent number: 8017826Abstract: A pad of elastomeric material having a softness of no more than about durometer 30 Shore 00. The pad may carry adhesive for adhering the pad to a surface, either directly or indirectly through an envelope which surrounds the pad and carries the adhesive. Such a pad exhibits hemostatic and leak prevention properties against needle puncture holes in the skin or the wall of a hollow medical device. Particularly, hemostasis may be prevented with low pressure application of the pad to the skin. The pad may be previously applied to the skin of the patient or a wall of a medical device such as tubing or a solution bag, and the needle may then penetrate both the pad and the skin or medical device wall, to make a resealable puncture with leakage reduction and hemostasis when the needle is withdrawn.Type: GrantFiled: September 16, 2004Date of Patent: September 13, 2011Assignee: DSU Medical CorporationInventors: David S. Utterberg, William J. Schnell
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Patent number: 7999145Abstract: A wound management accessory (10) and a method of dressing a wound (28,30) in the vicinity of an external orthopaedic fixator pin (24) are provided. The accessory (10) has a resilient body with a sleeve (12) defining an inner bore (18) that is shaped and dimensioned to fit around the circumference of the fixator pin (24) with an interference fit. The body also defines a flange (14) extending radially from the bore. The method comprises applying the accessory (10) to the pin (24) by passing the pin through the bore (18), covering the wound (28,30) at least in part with an occlusive adherent film (34), attaching at least the flange (14) of the accessory to the film in a generally sealing manner and applying a negative pressure to the wound beneath the film.Type: GrantFiled: June 28, 2007Date of Patent: August 16, 2011Inventor: Nicolas Kairinos
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Patent number: 7968114Abstract: A device for promoting the clotting of blood comprises a clay material in particle form and a receptacle for containing the clay material. At least a portion of the receptacle is defined by a mesh. Another device comprises a gauze substrate and a clay material disposed on the gauze substrate. Another device is a bandage comprising a substrate, a mesh mounted on the substrate, and particles of a clay material retained in the mesh. A hemostatic sponge comprises a substrate, a hemostatic material disposed on a first surface of the substrate, and a release agent disposed on a second surface of the substrate. The release agent is disposed on the wound-contacting surface of the substrate. When treating a bleeding wound, application of the hemostatic sponge causes at least a portion of the hemostatic material to come into contact with blood through the release agent and through the substrate.Type: GrantFiled: October 30, 2006Date of Patent: June 28, 2011Assignee: Z-Medica CorporationInventors: Raymond J. Huey, Denny Lo, Daniel J. Burns, Giacomo Basadonna, Francis X. Hursey
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Publication number: 20110118646Abstract: An adhesive device used as a wound dressing, ingredient delivery device or IV hold-down in which inadvertent edge release of these devices along the periphery of the polymeric film layer is minimized when the handling layer, which is adhered to the polymeric film layer, is removed after application of the polymeric film layer to the patient.Type: ApplicationFiled: January 26, 2011Publication date: May 19, 2011Applicant: CORIUM INTERNATIONAL, INC.Inventors: Michael G. Marcoux, David R. Johnson, Steven R. Klemm
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Patent number: 7943812Abstract: A layered adhesive construct is provided having a backing layer, a first layer of a hydrocolloid adhesive, and a second layer of a hydrocolloid adhesive, where the first and second layers of hydrocolloid adhesives have different composition, and the second layer of hydrocolloid adhesive is interposed between the first layer of hydrocolloid adhesive and the backing layer. The first adhesive layer is a layer of moldable adhesive paste including hydrocolloids having a Strain Recovery below 45% and the second adhesive layer is a layer of hydrocolloid adhesive having a Strain Recovery above 55%.Type: GrantFiled: December 18, 2006Date of Patent: May 17, 2011Assignee: Colopast A/SInventors: Esben Stroebeck, Flemming Moss, Danuta Ciok
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Patent number: 7943699Abstract: Disclosed are films, tapes, and melt-spun fibers prepared from a composition comprising (a) at least one polyester polymer and (b) from about 1 to 30 weight % of at least one ethylene copolymer such as ethylene/vinyl acetate dipolymers, ethylene/vinyl acetate terpolymers, ethylene/alkyl (meth)acrylate dipolymers, ethylene/alkyl (meth)acrylate terpolymers, functionalized ethylene copolymers, ethylene/acid copolymers, and salts thereof. The films, tapes and fibers exhibit improved tensile properties such as tensile strength and elongation at break compared to non-modified polyester compositions. Also disclosed are textiles and articles prepared from the fibers described.Type: GrantFiled: October 20, 2004Date of Patent: May 17, 2011Assignee: E. I. du Pont de Nemours and CompanyInventors: Loic Pierre Rolland, Sam Louis Samuels
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Publication number: 20110112457Abstract: Provided are medical articles (e.g., wound dressings) that include a pressure sensitive adhesive layer and methods of making the medical articles using immiscible materials that increase moisture vapor transmission rates.Type: ApplicationFiled: November 9, 2010Publication date: May 12, 2011Inventors: DAVID R. HOLM, Dong-Wei Zhu
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Publication number: 20110105977Abstract: The invention is a discreet patch suitable for use in the treatment of a viral lesion, which patch includes a backing layer and an adhesive layer, where the adhesive layer is substantially free of hydrocolloid particles, and the patch has a thickness ranging from about 10 microns to about 1,500 microns and is substantially free of topical anti-acne agents, and methods for treating viral lesions where a discreet patch of the invention is applied to a viral lesion and maintained in contact therewith for a time effective to substantially complete re-epithelialization of the lesion.Type: ApplicationFiled: January 10, 2011Publication date: May 5, 2011Inventor: William Hart
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Publication number: 20110098622Abstract: A medical pressure-sensitive adhesive tape according to an embodiment of the present invention includes, a film base material; a first pressure-sensitive adhesive layer; and a release liner releasably laminated to cover the first pressure-sensitive adhesive layer in the stated order, wherein: the release liner is divided into a first divided piece and a second divided piece; the first divided piece is placed at a widthwise-direction end on one side of the first pressure-sensitive adhesive layer to cover part of the first pressure-sensitive adhesive layer; the second divided piece is placed to cover a portion of the first pressure-sensitive adhesive layer that is not covered with the first divided piece; and the second divided piece has a folding portion extending toward a widthwise-direction end.Type: ApplicationFiled: October 26, 2010Publication date: April 28, 2011Applicant: NITTO DENKO CORPORATIONInventors: Hiroshi HATANAKA, Takashi Tsuji, Atsushi Hamada, Toshiyuki Yoshikawa
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Publication number: 20110098621Abstract: A transparent film dressing (1) for protection of skin surrounding a wound, the dressing includes a film layer (2) coated with a skin friendly adhesive (3) on one side, a stiffening layer (4) releasably attached to the film layer on the side thereof opposite to the side coated with adhesive, and a release layer (5) releasably attached to the adhesive coating on the film layer. A protection layer (6) is releasably attached to the release layer (5) on the side thereof opposite to the side attached to the adhesive coating (3), and a hole (9) extends through the stiffening layer (4), the coated film layer (2,3) and the release layer (5) but not through the protection layer, all the layers being transparent. A method of applying such a dressing is also described.Type: ApplicationFiled: December 8, 2008Publication date: April 28, 2011Applicant: MOLNLYCKE HEALTH CARE ABInventors: Tomas Fabo, Anna Svensby
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Publication number: 20110082406Abstract: Safety cast compositions for the prevention of thermal injury are provided basically comprising a curable casting material, a flexible substrate coated or impregnated with the casting material and a thermochromic material. Methods for using the safety cast to prevent cast burns in patients in need of immobilizing a body member are also provided.Type: ApplicationFiled: November 16, 2010Publication date: April 7, 2011Applicant: EBI, LLCInventors: Matthew A. Halanski, Eric Heiberg, Steven McCormick, Kenneth Noonan
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Patent number: 7910790Abstract: The present invention provides medical articles having a fluid control film component which comprise a sheet having microchannels that permit directional flow of a liquid. Articles incorporating the fluid control film include: wound dressings, wound drains, tympanostomy fluid wicks, intravenous access site dressings, drug delivery dressings, and sweat collection patches.Type: GrantFiled: August 23, 2010Date of Patent: March 22, 2011Assignee: 3M Innovative Properties CompanyInventors: Raymond P. Johnston, Matthew T. Scholz, Steven B. Heinecke, Charles A. Hentzen
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Patent number: 7888545Abstract: The present invention relates to a self-adhesive dressing comprising a layer (1) of spunlace nonwoven material and attached thereto a layer (2) of adhesive. In accordance with the invention, the dressing is stretchable in a first direction (MD) corresponding to the machine direction of the nonwoven material and in a second direction (CD) perpendicular to the first direction, in conjunction with which the resistance to stretching is less than 10 N/25 mm in both the first (MD) and the second (CD) directions in the case of stretching of less than or equal to 5%.Type: GrantFiled: December 16, 2005Date of Patent: February 15, 2011Assignee: Mölnlycke Heath Care ABInventor: Tomas Fabo
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Patent number: 7888546Abstract: An adhesive device used as a wound dressing, ingredient delivery device or IV hold-down in which inadvertent edge release of these devices along the periphery of the polymeric film layer is minimized when the handling layer, which is adhered to the polymeric film layer, is removed after application of the polymeric film layer to the patient.Type: GrantFiled: July 2, 2004Date of Patent: February 15, 2011Assignee: Corium International, Inc.Inventors: Michael G. Marcoux, David R. Johnson, Steven R. Klemm