Collagen Or Gelling Material Patents (Class 604/368)
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Publication number: 20140257221Abstract: An absorbent material for use in wound dressings is provided. The absorbent material comprises a blend of a superabsorbent gel-forming fibre and a non gel-forming fibre, wherein the blend of fibres does not comprise a superabsorbent gel-forming fibre formed from a polysaccharide.Type: ApplicationFiled: March 6, 2014Publication date: September 11, 2014Applicant: SPECIALITY FIBRES AND MATERIALS LIMITEDInventors: Graeme Kettlewell, Phillip Martin Baker
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Publication number: 20140249496Abstract: The present invention provides a composition for the treatment of a wound, the composition comprising: a first layer, which comprises a porous, optionally hydrophilic material capable of absorbing fluid from the wound at least in part by capilliary action, a second layer comprising an absorbent hydrogel, the first layer being associated with the second layer, wherein, in the treatment, the first layer is disposed closer to the wound than the second layer and the composition modulates the concentration of dissolved ions in the fluid in the wound. The present invention further provides uses of the composition and methods of making the composition.Type: ApplicationFiled: May 12, 2014Publication date: September 4, 2014Applicant: FIRST WATER LIMITEDInventors: Hugh Semple Munro, Philip Andrews
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Publication number: 20140243772Abstract: The present invention provides a body adhering absorbent article which is capable of absorbing bodily fluids. In this particular embodiment of the present invention, provided is an absorbent article which is specifically designed for attachment to a wearer's skin in the vulva region of the wearer's torso.Type: ApplicationFiled: May 6, 2014Publication date: August 28, 2014Applicant: Kimberly-Clark Worldwide, Inc.Inventors: Thomas William VanDenBogart, Adrienne Rae Loyd, Garry Roland Woltman, David J. Enz, Renee Sue Booms, Carmen Lira, Katie Ann Boland, Ann Louise McCormack, Deborah S. Hannah, Mary Lou McDaniel
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Patent number: 8802918Abstract: A water-absorbent sheet composition containing a structure in which an absorbent layer containing a water-absorbent resin and an adhesive is sandwiched with two or more sheets of hydrophilic nonwoven fabrics, wherein the water-absorbent sheet composition has a structure in which the absorbent layer is separated in divided parts of a primary absorbent layer and a secondary absorbent layer with a water-permeable substrate having a water permeability index of from 20 to 90, and wherein the water-absorbent resin is contained in the absorbent layer in an amount of from 100 to 1000 g/m2. The water-absorbent sheet composition of the present invention exhibits some excellent effects that the water-absorbent sheet composition is capable of accomplishing thinning and avoidance of gel blocking phenomenon and liquid leakage, while obtaining basic properties as a water-absorbent sheet composition at a high level, even for a water-absorbent sheet composition containing a very small amount of pulps.Type: GrantFiled: June 29, 2009Date of Patent: August 12, 2014Assignee: Sumitomo Seika Chemicals Co., Ltd.Inventors: Shinya Fukudome, Junichi Maruo, Masayoshi Handa, Kiyoshi Yamaguchi
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Patent number: 8791320Abstract: This invention is directed to super-absorbent material, which comprises a super absorbent polymer core that is coated with an organic, polar coating agent, and whereby the particulate super-absorbent material has a contact angle and a corresponding cos CAm (as defined herein), whereby the cos CAm is more than 0.3, and whereby, when said coating agent is in the form of particles, said coating agent particles have a (weight) mean particle size of from 0.001 to 1 micron. The material is useful for absorbent structures and absorbent articles (comprising such structures). The coated super-absorbent material is typically present in said absorbent structure at least at a concentration of 50% by weight of the structure, preferably even 80% or even 90%. The invention also provides a process for making the absorbent material.Type: GrantFiled: November 8, 2007Date of Patent: July 29, 2014Assignee: The Procter & Gamble CompanyInventors: Bruno Johannes Ehrnsperger, Heike Opper, Udo Friedel Schoenborn
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Patent number: 8791319Abstract: The invention relates to absorbent cores having high amounts of superabsorbent polymer material which are immobilized by adhesive. The absorbent cores have reduced peak force when subjected to the Laminate Compression Extension Test Method and also exhibit reduced delamination upon swelling of the superabsorbent polymer material.Type: GrantFiled: June 8, 2012Date of Patent: July 29, 2014Assignee: The Procter & Gamble CompanyInventors: Maike Thomann, Bruno Johannes Ehrnsperger, Alessandra Massa, Manuel Laso, Birgit Wirtz, Roland Engel
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Patent number: 8771258Abstract: The present invention provides a hemostatic composite sponge comprising a porous matrix of a biomaterial and a material enhancing the adherence of said sponge to the applied tissue stably associated with at least one surface of said sponge, a method of producing these sponges and their use in hemostasis.Type: GrantFiled: December 16, 2010Date of Patent: July 8, 2014Assignees: Baxter International Inc., Baxter Healthcare S.A.Inventors: Hans Christian Hedrich, Joris Hoefinghoff, Woonza M. Rhee, Atsushi Edward Osawa
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Patent number: 8772570Abstract: A liquid-absorbent structure configured to prevent a liquid-absorbent core material from being unevenly distributed and thereby to assure that bodily fluids can be smoothly absorbed by the liquid-absorbent structure. According to one embodiment the present invention provides a panty liner that includes a topsheet lying on a side facing the wearer's body, a backsheet facing the wearer's garment and a liquid-absorbent structure sandwiched between these sheets. A first inner surface of a first sheet forming the liquid-absorbent structure is coated with adhesives to form a plurality of first bonding regions and a second inner surface of a second sheet is coated with adhesives to form a plurality of second bonding regions. Each of the first non-bonding regions lies between each pair of the first bonding regions, and each of the second non-bonding regions lies between each pair of the second bonding regions.Type: GrantFiled: October 19, 2009Date of Patent: July 8, 2014Assignee: Unicharm CorporationInventors: Yasuke Kawakami, Akane Sakai, Ayako Akahira
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Patent number: 8766031Abstract: An absorbent article, preferably a disposable absorbent article such as a diaper, is disclosed that provides an improved immobilization of absorbent polymer material when the article is fully or partially urine loaded. This absorbent core is useful for providing an absorbent article of increased wearing comfort. Specifically disclosed is an absorbent core useful for an absorbent article comprising a substrate layer and absorbent material, the absorbent material comprising an absorbent polymer material, the absorbent material optionally comprising absorbent fibrous material, the absorbent fibrous material not representing more than 20% of the weight of absorbent polymer material, wherein the absorbent material is immobilized when wet such that the absorbent core achieves a wet immobilization of more than 50%, preferably of more than 60%, 70%, 80% or 90% according to the Wet Immobilization Test described herein.Type: GrantFiled: March 13, 2007Date of Patent: July 1, 2014Assignee: The Procter & Gamble CompanyInventors: Uwe Jurgen Becker, Ludwig Busam, Bruno Johannes Ehrnsperger, Torsten Lindner, Siegfried Link, Volker Maier, Sanaul Kabir Siddiquee, Gabriele Stiehl, Thomas Tombuelt
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Patent number: 8735646Abstract: An absorbent article that has a thin, conformable absorbent core where the core has at least two layers, both of which are substantially free of cellulosic fibers is described. The first layer is intended to provide storage for the majority of acquired fluids and has an AAP of at least about 20 g/g and the second layer, which provides temporary capacity for the bulk of the acquired fluid and permanent storage for at least a portion thereof, comprises a second absorbent polymer material which has a Wet Permeability of at least about 400×10?7 (cm3 seconds)/g a ratio of Wet Permeability to SFC of at least about 1.5:1 with respect to the first absorbent polymer material.Type: GrantFiled: March 28, 2005Date of Patent: May 27, 2014Assignee: The Procter & Gamble CompanyInventors: Holger Beruda, Yasue Nakagawa, Mattias Schmidt, Hiroyuki Ikeuchi, Kazushi Torii, Shigeru Sakamoto, Taku Iwamura, Sayaka Machida
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Patent number: 8735645Abstract: The present invention relates to a method of applying absorbent gelling material (AGM) granules by indirect printing onto an carrier layer for use in an absorbent article, particularly diaper for babies or adults, training pants, pull-up diapers (diaper pants), sanitary napkins, panty liners or the like. These articles typically comprise the carrier layer with the AGM particles together with further layers, making up the complete article.Type: GrantFiled: October 6, 2010Date of Patent: May 27, 2014Assignee: The Procter & Gamble CompanyInventors: Horst Blessing, Hans Adolf Jackels, Siegfried Link, Volker Maier, Thomas Ludwig Woschnik, Martin Scaife
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Patent number: 8716547Abstract: A stretch laminate having a first substrate is adhesively attached to an elastic film. The adhesive is applied in a continuous manner to the substrate in a first tack down region which is disposed proximate to an end of the stretch laminate. The adhesive is applied as a plurality of adhesive stripes in an activation region which is interior of the first tack down region. The adhesive stripes have a width and a distance between adjacent adhesive stripes. The ratio of stripe width to distance between the adhesive stripes is in the range of less than about 1 or greater than about 0.33.Type: GrantFiled: May 13, 2005Date of Patent: May 6, 2014Assignee: The Procter & Gamble CompanyInventors: Anand Rudra Venkitaraman, George Stephen Reising
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Publication number: 20140121620Abstract: An adhesive wound patch is provided. The adhesive wound patch includes a covering layer, a dressing layer, a releasing paper and a supporting layer. A pressure sensitive adhesive is coated on an inner surface of the covering layer, and the pressure sensitive adhesive with stickiness may adhere to the surrounding skin tightly. The dressing layer covers the pressure sensitive adhesive, the covering layer includes waterproof-breathable material, and the dressing layer includes hydro-absorbent material. The releasing paper includes separated first and second portions, and covers the entire covering layer. The supporting layer sticks to the covering layer, and has an ear portion, which is in the middle part of one side of the supporting layer and protrudes beyond the edge of the covering layer. After the dressing layer is adhered to the wound, the supporting layer is separated from the covering layer by tearing off the ear portion.Type: ApplicationFiled: February 7, 2013Publication date: May 1, 2014Applicant: TATUNG COMPANYInventor: Tsui-Shan Hung
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Patent number: 8710293Abstract: The present invention relates to ultrathin fluid-absorbent cores comprising a substrate layer, multicomponent superabsorbent particles and an adhesive, wherein the wet SAP shake-out of superabsorbent particles out of the fluid-absorbent core is less than 10% by weight.Type: GrantFiled: September 14, 2011Date of Patent: April 29, 2014Assignee: BASF SEInventors: Xiaomin Zhang, Michael A. Mitchell
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Publication number: 20140114268Abstract: The invention relates to an absorbent dressing comprising an adhesive silicone-coated side strip, which is particularly suitable for use in the care of chronic wounds, such as ulcers or eschars, or acute wounds, such as burns. The absorbent dressing includes a breathable impermeable substrate (4) and an absorbent non-woven fabric (6). The substrate is formed by assembling a continuous film (4a) and an openwork reinforcement that is coated with an adhesive silicone gel (4b) without blocking the openings in the reinforcement. A non-absorbent web (5) is secured to a complementary non-woven fabric (7), such as to encase the above-mentioned absorbent non-woven fabric (6) without being secured at any point to the latter. The encased absorbent non-woven fabric is subsequently assembled to the substrate (4) along part of said silicone-coated surface of the substrate.Type: ApplicationFiled: April 13, 2012Publication date: April 24, 2014Applicant: LABORATOIRES URGOInventors: Stéphane Auguste, Jean-Marc Pernot, Anne-Sophie Danerol, Aurelie Charre
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Patent number: 8686217Abstract: An absorbent product has a top sheet, an absorbent core and a back sheet. The absorbent core includes 40% by weight or more of high absorbent resin powder and it is possible to slim down the absorbent core while keeping a sufficient amount of absorption to thereby achieve slimming down of the absorbent product. A top sheet lower part contacting the high absorbent resin powder in the absorbent core includes hydrophilic fibers having water retention characteristics, and moisture is temporarily retained in the top sheet lower part before reaching the absorbent core and rapidly disperses in a range facing the absorbent core of the top sheet lower part. As a result, it is possible to reliably absorb the moisture of excrement in the absorbent core and to simplify a structure of the absorbent product.Type: GrantFiled: August 31, 2012Date of Patent: April 1, 2014Assignee: Livedo CorporationInventors: Kenichi Uchimoto, Yasuji Yasumitsu
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Patent number: 8674170Abstract: An absorbent article, preferably a disposable absorbent article such as a diaper, is disclosed having an absorbent core which imparts increased wearing comfort to the article and makes it thin and dry. The absorbent core useful for an absorbent article comprises a substrate layer, a discontinuous layer of absorbent material, and a layer of thermoplastic material. A second surface of the discontinuous layer of absorbent material is in at least partial contact with a first surface of the substrate layer. Portions of a second surface of the layer of thermoplastic material are in direct contact with the first surface of the substrate layer and portions of said second surface of the layer of thermoplastic material are in direct contact with a first surface of the discontinuous layer of absorbent material. A process for providing a storage layer for an absorbent core useful in an absorbent article is further disclosed.Type: GrantFiled: October 10, 2007Date of Patent: March 18, 2014Assignee: The Procter & Gamble CompanyInventors: Ludwig Busam, Uwe Jurgen Becker, Michael Divo, Bruno Johannes Ehrnsperger, Roland Engel, Torsten Lindner, Siegfried Link, Volker Maier, Sanaul Kabir Siddiquee, Gabriele Stiehl, Thomas Tombuelt
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Patent number: 8669410Abstract: The present invention relates to fluid-absorbent articles, comprising an upper liquid-pervious layer, a lower liquid-impervious layer, a fluid-absorbent core, wherein the fluid-absorbent core comprises a fibrous material and 10 to 95% by weight of spherical fluid-absorbent polymer particles, and an acquisition distribution layer, wherein the acquisition distribution layer comprises a fibrous material and 0 to 20% by weight of spherical fluid-absorbent polymer particles.Type: GrantFiled: July 30, 2009Date of Patent: March 11, 2014Assignee: BASF SEInventors: Matthias Weismantel, Rüdiger Funk, Ulrich Schröder, Marco Krüger, John Joseph Louden
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Patent number: 8664464Abstract: The invention provides wound dressings comprising an absorbent (porous) hydrogel composition comprising a foam portion which comprises a flexible plasticized hydrophilic polymer matrix having an internal cellular structure, and a continuous portion which comprises a flexible plasticized hydrophilic polymer matrix having relatively continuous internal structure. The continuous portion of the hydrogel composition includes apertures providing fluid flow communication through the continuous portion between an external surface of the continuous portion and the foam portion whereby the foam portion can take up external water or other fluid into the cellular structure through the apertures of the continuous portion. The continuous portion of the hydrogel composition may be tacky to the skin, allowing its use as a bioadhesive.Type: GrantFiled: December 12, 2003Date of Patent: March 4, 2014Assignee: Systagenix Wound Management (US), Inc.Inventors: Hugh S. Munro, Derek Silcock, Simon W. Bayliff, Richard Hoskins, Susana S. Garcia, Helen Burgess, Justin Barnes
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Publication number: 20140058346Abstract: To improve the heat retention by diapers and other absorbents, a heat retention indicator 1 of a water-absorbing resin which is defined in the present invention needs be 3.0° C./min or less and also that particular requirements need be met to satisfy this condition. If the requirements are met, a water-absorbing resin, absorbent, and absorbent article can be provided which has a heat retention indicator 1 of 0 to 3.0° C./min or less and which exhibits excellent heat retention and absorption.Type: ApplicationFiled: September 18, 2013Publication date: February 27, 2014Applicant: NIPPON SHOKUBAI CO., LTD.Inventors: Katsuyuki WADA, Makoto Nagasawa, Kunihiko Ishizaki
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Publication number: 20140052084Abstract: A fluid extraction or filtration device for removing fluid from a body, the device comprising an array of microneedles for contacting fluid in said body and an absorbent gel matrix in fluid communication with said array of microneedles. There is further provided a combined fluid extraction and sampling device and methods employing the device(s), for example in determining the level of a target species in a sample of fluid, transdermal dialysis and renal replacement therapy. There is further provided an absorbent gel matrix for use in the treatment of uraemia and a haemodialysis filter comprising an absorbent gel matrix. Use of such a matrix is described in the context of methods including haemodialysis, transdermal dialysis and gastrointestinal dialysis.Type: ApplicationFiled: October 25, 2013Publication date: February 20, 2014Applicant: Renephra LimitedInventors: Sandip Mitra, Paul Ernest Charles Brenchley, Rein Vincent Ulijn
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Patent number: 8653321Abstract: Method for determining the intrinsic gel strength of a water-absorbing hydrogel-forming polymeric material, comprising the step of: obtaining a hydrogel of said water-absorbing polymeric material, submitting said hydrogel to a controlled strain application step and measuring the stress; or submitting said hydrogel to a controlled stress application step and measuring the strain, and determining from said measured stress or strain of step c) the modulus of said hydrogel.Type: GrantFiled: February 25, 2011Date of Patent: February 18, 2014Assignee: The Procter & Gamble CompanyInventors: Torsten Lindner, Matthias Morand, Axel Meyer, Maik Tremel, Michael Rene Weaver
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Publication number: 20140039434Abstract: A diaper structure with enhanced softness attributes is disclosed. The diaper structure may include an innermost layer formed of a first nonwoven web, and an outermost layer formed of a second nonwoven web. The first and second nonwoven webs may have a combined basis weight of at least about 30 gsm. The ratio of the first web basis weight to the second web basis weight may range from 30/70 to 70/30. Each of the webs may have a preconversion density no greater than 65 kg/m3. Each of the webs may have a compression loft of at least 30%. Characteristics affecting pressure diffusion at tactile pressure points may be balanced within ranges between the first and second webs to provide similar tactile pressure diffusion characteristics for the inside and outside of the diaper.Type: ApplicationFiled: July 30, 2013Publication date: February 6, 2014Applicant: The Procter & Gamble CompanyInventors: Han Xu, John Ferrer
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Publication number: 20140005621Abstract: A disposable absorbent insert for a two-piece wearable absorbent article having features for the containment and absorption of bodily exudates. The insert may be adapted to be used with an outer cover and may have containment and absorption features including cuff structures that prevent soiling of the outer cover by the wearer's exudates, so that the outer cover may be reused after an exudation event and change of inserts. The insert may have features to enhance containment, absorption, economy of materials and/or fit that makes it asymmetric about its lateral axis, and may have features that direct a user to install the insert with correct front-rear orientation relative the outer cover and/or the wearer.Type: ApplicationFiled: June 29, 2012Publication date: January 2, 2014Inventors: Donald Carroll Roe, Eiro Fukuda, Oscar Antonio Ruiz
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Patent number: 8597263Abstract: A lotion application compartment (10) includes an apparatus for topical application of a fluid to a human or animal body. The apparatus includes a spray nozzle (20) and a support (80) for the body. The apparatus further comprises of one or more of the following: a structure for moving the support, so as to change the distance between the body and the spray nozzle (20); a structure for varying the spray pattern, spray pressure, spray frequency and/or spray duty cycle of the nozzle (20); a structure for varying the rotational speed of the support (80); and a structure for raising the body's skin temperature directly by radiation. A lotion application compartment (10) consisting of apparatus for topical application of a fluid to a human or animal body, the apparatus comprising a spray nozzle (20) and a support (80) for the body.Type: GrantFiled: December 4, 2006Date of Patent: December 3, 2013Inventor: Gerald Hipperson
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Patent number: 8598405Abstract: An object of the present invention is to provide a waste solution solidifying agent which can solidify a waste solution, particularly, a waste solution containing blood or body fluid at a low cost, uniformly, and in a short time; in particular, to provide a waste solution solidifying agent which can solidify a waste solution uniformly and in a short time in a vertically oriented waste solution equipment. As a means of achieving this object, a waste solution solidifying agent of the present invention is a particulate treating agent used in a method of treating a waste solution which solidifies a waste solution into a gel by placing a treating agent in a waste solution, and is characterized in that said agent contains, as an essential component, a water-absorbent resin having a crosslinked structure obtained by polymerizing a water-soluble ethylenic unsaturated monomer and, when flowing-placed at once into a 0.Type: GrantFiled: May 11, 2005Date of Patent: December 3, 2013Assignee: Nippon Shokubai Co., Ltd.Inventors: Yoshihiko Masuda, Masazumi Sasabe, Seiji Kato, Atsushi Tachibana, Kenji Kadonaga, Shigeru Oka
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Patent number: 8585666Abstract: An absorbent product is provided. The absorbent product includes a package having an interior space and an exterior surface; and a plurality of disposable absorbent articles disposed within the interior space of the package. Each of the disposable absorbent articles has a topsheet; a backsheet; a substantially cellulose free absorbent core located between the topsheet and the backsheet; a first waist region; a second waist region; a crotch region extending longitudinally between the first and second waist regions; and a fastening member extending laterally outward from the second waist region and adapted to releasably connect with a landing zone located in the first waist region. The absorbent product exhibits an In-Bag Stack Height of less about 80 mm as measured according to an In-Bag Stack Height Test.Type: GrantFiled: September 29, 2010Date of Patent: November 19, 2013Assignee: The Procter & Gamble CompanyInventors: Paul Thomas Weisman, Dean Larry Du Val, Harald Hermann Hundorf, Holger Beruda, Horst Blessing, Peter Dziezok, Axel Krause, Mattias Schmidt, Lutz Stelzig
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Publication number: 20130296818Abstract: A wound dressing comprises: (i) a core of a non-woven layer comprising gelling fibres and having first and second major faces, (ii) a first layer of an absorbent foam positioned with one face adjacent to the first face of the non-woven layer, (iii) a second layer of an absorbent foam positioned with one face thereof adjacent to the second face of the non-woven layer, (iv) an open material positioned against that face of the first absorbent foam layer remote from the non-woven layer; and (v) an open material or a continuous semi-permeable film positioned against that face of the second absorbent layer remote from the non-woven layer. Layers (i)-(v) may be bonded together.Type: ApplicationFiled: May 3, 2013Publication date: November 7, 2013Applicant: ADVANCED MEDICAL SOLUTIONS LIMITEDInventors: Colin BRADFORD, Brian John Hamerslag
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Patent number: 8575132Abstract: A modified starch material for biocompatible hemostasis, biocompatible adhesion prevention, tissue healing promotion, absorbable surgical wound sealing and tissue bonding, when applied as a biocompatible modified starch to the tissue of animals. The modified starch material produces hemostasis, reduces bleeding of the wound, extravasation of blood and tissue exudation, preserves the wound surface or the wound in relative wetness or dryness, inhibits the growth of bacteria and inflammatory response, minimizes tissue inflammation, and relieves patient pain. Any excess modified starch not involved in hemostatic activity is readily dissolved and rinsed away through saline irrigation during operation. After treatment of surgical wounds, combat wounds, trauma and emergency wounds, the modified starch hemostatic material is rapidly absorbed by the body without the complications associated with gauze and bandage removal.Type: GrantFiled: January 11, 2013Date of Patent: November 5, 2013Inventor: Xin Ji
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Patent number: 8569569Abstract: The present invention relates to ultrathin fluid-absorbent cores comprising a substrate layer, water-absorbent polymer particles and an adhesive, wherein the wet SAP shake out of water-absorbent polymer particles out of the fluid-absorbent core is less than 10% by weight.Type: GrantFiled: March 22, 2011Date of Patent: October 29, 2013Assignee: BASF SEInventors: Xiaomin Zhang, Olaf Hoeller, Kathleen Goebel
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Publication number: 20130281951Abstract: A wound dressing is provided which includes an inner layer with a plurality of drain holes around the perimeter. The inner layer is resistant to penetration by liquid. Adjacent the inner layer is an absorbent layer. An outer layer is adjacent, but, not attached to the absorbent layer. The outer layer is resistant to penetration by liquid. The outer layer includes an adhesive band. A removable protective layer covers the adhesive bands and includes a plurality of perforations spaced about the protective layer with a plurality of non-perforated sections between the perforations such that when removed, the perforations cause separation at the perforations and only one non-perforated section is removed at a time. A base layer is provided with an open area and adhesive bands. The base layer is attached to the skin and the outer layer covers the open area of the base layer.Type: ApplicationFiled: April 12, 2013Publication date: October 24, 2013Inventor: Matthew G. Ferris
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Patent number: 8562576Abstract: A surgical tissue therapy device includes a sealant layer and a collection chamber. The sealant layer functions so as to create a sealed enclosure or space between it and the surface of a patient by forming, preferably, an airtight seal around a surgical area of skin trauma. The closed incision tissue therapy device also comprises a collection chamber, which may comprise an elongate tubular chamber with a plurality of longitudinally spaced openings. The collection chamber may be configured to be in fluid communication with the sealant layer and the area of skin trauma and functions as to distribute the negative pressure applied to a surgically closed area of skin trauma. Preferably, the pressure under the sealant layer is reduced by expanding the volume of the enclosure space and thereby decreasing the density of air molecules under the sealant layer.Type: GrantFiled: January 11, 2011Date of Patent: October 22, 2013Assignee: Spiracur, Inc.Inventors: Dean Hu, Moshe Pinto, Kenton Fong, Akshay Mavani, Kenneth Wu
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Patent number: 8552252Abstract: A substantially cellulose free absorbent core comprising absorbent polymer material having a saline flow conductivity greater than about 100×10?7 cm3•sec/g and a centrifuge retention capacity of greater than about 20 g/g. A disposable absorbent article is also disclosed.Type: GrantFiled: August 4, 2011Date of Patent: October 8, 2013Inventors: Harald Hermann Hundorf, Holger Beruda, Horst Blessing, Peter Dziezok, Axel Krause, Mattias Schmidt, Lutz Stelzig
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Patent number: 8552251Abstract: A laminate having health-benefit agents therein is made by particle stabilization within the lamination process. By changing the substrate type (tissue, nonwoven, film) and/or the physical composition and/or attributes of the laminate layers, the release of the health-benefit agents can be controlled. The laminate, sometimes referred to as a liner, may be used in personal absorbent articles such as diapers, feminine pads, bandages, bed pads, and the like.Type: GrantFiled: October 8, 2010Date of Patent: October 8, 2013Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Peiguang Zhou, David John Tyrrell, Andrew M. Long, Alphonse C. DeMarco, Dave Allen Soerens, Rebecca Ann Vongsa
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Patent number: 8541643Abstract: The invention relates to a superabsorbent powder consisting of polymer particles which have a core swelling in the presence of water and a superficially postcured shell, in which the powder is a screening fraction of such polymer particles which have not been crushed after the superficial postcure of their shell. This superabsorbent powder is especially suitable for the finishing of textile webs made of super-fine fibers or filaments with a diameter of less than 10 ?m, in particular for the finishing of sanitary products.Type: GrantFiled: December 23, 2005Date of Patent: September 24, 2013Assignee: Schill + Seilacher AktiengesellschaftInventors: Horst Ring, Roland Harbig
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Patent number: 8524355Abstract: A disposable absorbent article includes an absorbent mat provided between a liquid-permeable top sheet and a liquid-impermeable back sheet. Herein, the absorbent mat includes a sheet-like water-absorbent layer that contains a water-absorbent resin powder but that does not contain pulp fibers, and a fiber assembly layer that contains both the water-absorbent resin powder and the pulp fibers, the sheet-like water-absorbent layer and the fiber assembly layer arranged sequentially in this order from a top sheet side. The fiber assembly layer includes a fiber presence region in which both the pulp fibers and the water-absorbent resin powder are present, and a fiber absence region in which both the pulp fibers and the water-absorbent resin powder are absent, the fiber presence region and the fiber absence region formed to be adjacent with each other.Type: GrantFiled: May 10, 2004Date of Patent: September 3, 2013Assignee: Livedo CorporationInventor: Kenji Nakaoka
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Publication number: 20130218110Abstract: The illustrative systems, methods, and dressings for applying reduced pressure to a tissue site are presented that involve quickly removing fluids from the tissue site to reduce or avoid maceration of the epidermis. One dressing includes a dressing material for transferring the reduced pressure to the tissue site and a drape covering at least a portion of the dressing material. The dressing material includes a hydrophobic tissue-interface layer adapted to contact the tissue site. The dressing material also includes a manifold adapted to distribute reduced pressure. The manifold may be a hydrophobic layer. The dressing material also includes one or more absorbent layers adapted to absorb liquid from the tissue site via the tissue-interface layer and the manifold. Other aspects are disclosed.Type: ApplicationFiled: March 22, 2013Publication date: August 22, 2013Applicant: KCI Licensing, Inc.Inventor: KCI Licensing, Inc.
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Publication number: 20130204217Abstract: The invention relates to a multilayer wound dressing, in particular for moist wound treatment, comprising a first layer as an absorbent layer, which comprises a hydrogel matrix, and at least one second layer, which is applied to the first layer on the side facing away from the wound. The hydrogel matrix comprises 54 to 60 wt % of propylene glycol, a pre-polymer having isophorone diisocyanate end groups and a diamine based on polyethylene oxide in a quantity of a total of 38 to 42 wt %, 0 to 5 wt % of an inorganic chloride, and the remainder water, wherein the ratio of the reactive groups of isocyanate to the amine groups of the diamine is intended to be 1.25 to 1.35.Type: ApplicationFiled: December 14, 2010Publication date: August 8, 2013Inventors: Martin Junginger, Julie Horny
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Publication number: 20130197460Abstract: An absorbent component for a wound dressing, the component comprising a wound contacting layer comprising gel forming fibres bound to a foam layer.Type: ApplicationFiled: November 10, 2010Publication date: August 1, 2013Inventors: Helen Louise Shaw, David Colin Pritchard, Bryony Jayne Lee, Stephen Mark Bishop
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Patent number: 8497410Abstract: A method of making personal hygiene articles of high absorbency from cellulosic fiber pulp without chemical cross-linking of the cellulosic fibers is disclosed. The method comprises interposing a sublayer of mechanically fluffed alkali extracted cellulosic fiber pulp between a fluid permeable layer and a fluid impermeable layer.Type: GrantFiled: February 18, 2011Date of Patent: July 30, 2013Assignee: Rayonier TRS Holdings Inc.Inventors: Phyllis Leithem, Charles A. Kremers, W. Paul Harrell, Stephen Lewis, Karl D. Sears, Quan He, Peter R. Abitz
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Patent number: 8496637Abstract: A tri-folded disposable absorbent article comprising a substantially cellulose free absorbent core located in a chassis between a topsheet and a backsheet and comprising absorbent particulate polymer material. An array of absorbent article packages comprising disposable absorbent articles comprising a substantially cellulose free absorbent core is also disclosed.Type: GrantFiled: June 18, 2008Date of Patent: July 30, 2013Assignee: The Procter & Gamble CompanyInventors: Harald Hermann Hundorf, Holger Beruda, Horst Blessing, Peter Dziezok, Axel Krause, Mattias Schmidt, Lutz Stelzig, Martin Werner Frank
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Publication number: 20130144240Abstract: A portable female urine collector for urine collection and stowage, and a method of assembling same is disclosed. In one embodiment, the portable female urine collector includes a fordable absorbent pad for collecting urine, and a receptacle attached to the foldable absorbent pad for stowing the foldable absorbent pad therein after the foldable absorbent pad is used to collect urine. After the foldable absorbent pad is used, the foldable absorbent pad is folded by the user and then sealed within the attached receptacle for later disposal. The portable female urine collector is useful whenever toilet facilities for females are either unavailable or unsuitable.Type: ApplicationFiled: December 1, 2011Publication date: June 6, 2013Inventor: Ann Marie Ellis
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Publication number: 20130138068Abstract: A method for manufacturing a hydrogel laminate of a wound dressing includes the steps of: providing a fabric layer; forming a fluid-impermeable barrier layer on a lower surface of the fabric layer, the fluid-impermeable barrier layer having a water-repellant surface bonded to the lower surface of the fabric layer; applying a hydrogel precursor onto an upper surface of the fabric layer so as to permit the hydrogel precursor to infiltrate into the fabric layer; and curing the hydrogel precursor in the fabric layer to obtain a hydrogel laminate.Type: ApplicationFiled: November 28, 2012Publication date: May 30, 2013Applicant: KANG NA HSIUNG ENTERPRISE CO., LTD.Inventor: KANG NA HSIUNG ENTERPRISE CO., LTD.
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Publication number: 20130131621Abstract: The invention relates to a transparent, absorbent device for the dressing of wounds and insertion sites of percutaneous and drug delivery devices. The device provides 360 degree or complete circumferential protection of a wound or insertion site of a percutaneous or drug delivery device and comprises a hydrogel center and at least one absorbent material. The hydrogel center can optionally comprise a bioactive agent(s).Type: ApplicationFiled: November 17, 2011Publication date: May 23, 2013Inventors: Robert W. Van Holten, Xintian Ming, Jerome Riebman
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Publication number: 20130123728Abstract: Wounds dressings, systems, and methods are presented that involve using a patient's body heat to enhance liquid removal from the wound dressing through a high-moisture-vapor-transmission-rate drape. Additional heat sources or devices, such as nano-antennas or electrical heating elements, may be added or used separately to enhance the removal liquid from the wound dressing. Other dressings, systems, and methods are presented herein.Type: ApplicationFiled: November 15, 2012Publication date: May 16, 2013Applicant: KCI Licensing, Inc.Inventor: KCI Licensing, Inc.
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Patent number: 8426670Abstract: The present invention provides: an absorbent structure and an absorbent article, which are excellent in both liquid diffusion ability and liquid storage ability, and which are excellent in the dry feeling and the amount of wet back of the aqueous liquid, and which can realize the thinning and lightening more; and a water-absorbent resin fitly usable for the above absorbent structure and absorbent article. The absorbent structure, according to the present invention, comprises a liquid-diffusing member and a water-absorbent resin, with the absorbent structure being characterized in that when the capillary absorption index of the liquid-diffusing member at a height of 40 cm is referred to as A (A?0.10), the capillary absorption index B of the water-absorbent resin at a height of 40 cm satisfies the following equation: B/A?0.7 (equation 1).Type: GrantFiled: September 18, 2002Date of Patent: April 23, 2013Assignee: Nippon Shokubai Co., Ltd.Inventors: Kinya Nagasuna, Kenji Kadonaga, Akiko Mitsuhashi, Motohiro Imura
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Patent number: 8409664Abstract: Superabsorbent polymer particles, coated with a block copolymer comprising at least four blocks being at least two hard blocks, one soft block and one hydrophilic block, wherein a the soft block is sandwiched between the hard blocks.Type: GrantFiled: June 27, 2011Date of Patent: April 2, 2013Assignee: The Procter & Gamble CompanyInventors: Robin Lynn McKiernan, Steve Daryl Smith, Axel Meyer
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Publication number: 20130072887Abstract: In one embodiment, taped and pant articles of the present disclosure may comprise first and second chassis that are at least substantially identical.Type: ApplicationFiled: February 14, 2012Publication date: March 21, 2013Inventors: Gary Dean LaVon, Michale Gray Nease, Gene Xiaoqing Huang, Jacob Alan Barnhorst, Masaharu Nishikawa
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Publication number: 20130053747Abstract: A hydrogel structure comprising: (a) a one way penetrating polyurethane film layer; (b) a hydrophobic pressure sensitive adhesive layer; (c) a multi-directional elastic meltblown nonwoven; (d) an interpenetrating polymer network; and (e) a hydrogel; wherein the meltblown nonwoven and the hydrogel are laminated by UV curing to form the interpenetrating polymer network, part of fibers of the meltblown nonwoven are exposed and fit stably with the pressure sensitive adhesive film. The hydrogel structure can make dressings multi-directional elastic for multiple traumas. The hydrogel structure can provide an environment suitable for wound healing, shorten the healing time, antiseptic and reduce the chances of being infected for the wound dressing.Type: ApplicationFiled: May 2, 2012Publication date: February 28, 2013Applicant: COMPOSE ELEMENT LIMITEDInventor: Tsu-Tai Lin
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Patent number: 8378022Abstract: A biocompatible, biodegradable, macromolecular water-absorbent hybrid material (WAHM), having a three-dimensional configuration with intermolecular covalent bonds and containing free functional groups, said polymer being formed by polymer-polymer intercoupling reaction between a natural water-soluble polymer A or its derivatives having a molecular weight between 20,000 and 300,000 Da, and a synthetic polymer B in an adequate ratio wherein the natural polymer A is selected from amphoteric reactants, partially denatured or chemically modified natural polymer, that dissociates in water to form both anions and cations, and which can undergo polymer-polymer intercoupling reactions, and wherein synthetic polymer B s a linear or branched reactive synthetic copolymer having a molecular weight of 50,000-500,000 Da derived from a vinyl monomer and an ethylenically unsaturated monomer, having a backbone with polymeric subunits covalently bonded to the polymer backbone, the subunits comprising ones with non-reactive andType: GrantFiled: March 6, 2009Date of Patent: February 19, 2013Assignee: Exotech Bio Solutions Ltd.Inventors: Mircea Dan Bucevschi, Monica Colt, Mendy Axlerad