Patents by Inventor William Gerald Dimaio
William Gerald Dimaio has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9452144Abstract: Disclosed herein is a fibrous tissue sealant in the form of an anhydrous fibrous sheet comprising a first component which is a fibrous polymer containing electrophilic or nucleophilic groups and a second component capable of crosslinking the first component when the sheet is exposed to an aqueous medium, thereby forming a crosslinked hydrogel that is adhesive to biological tissue. The fibrous tissue sealant may be useful as a general tissue adhesive for medical and veterinary applications such as wound closure, supplementing or replacing sutures or staples in internal surgical procedures, tissue repair, and to prevent post-surgical adhesions. The fibrous tissue sealant may be particularly suitable for use as a hemostatic sealant to stanch bleeding from surgical or traumatic wounds.Type: GrantFiled: March 25, 2015Date of Patent: September 27, 2016Assignee: Actamax Surgical Materials, LLCInventors: Samuel David Arthur, Tao Huang, William Gerald DiMaio, Jr., George K. Kodokian
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Patent number: 9211554Abstract: A self-contained, hand-held spray dispensing device includes an internal source of pressurized fluid that exerts a motive force on a pair of liquid ejecting elements to cause each to eject a liquid into a discharge line. The liquids remain separated until each exits its discharge port. A pressurized fluid is directed over the outlet ends of the discharge line beginning before a flow interrupter in the discharge line is opened to permit flow therethrough and ceasing after liquid flow is terminated. The pressurized fluid flow over the outlet of the discharge line aerosolizes liquids emanating from the outlet ends. Each liquid ejecting element takes the form of a piston disposed within a cylinder. The pistons responds to pressurized fluid imposed directly thereon from the source to generate the motive force on the ejecting element.Type: GrantFiled: June 30, 2010Date of Patent: December 15, 2015Assignee: Actamax Surgical Materials, LLCInventors: Donald H. Brunk, William Gerald Dimaio, Jr.
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Publication number: 20150196496Abstract: Disclosed herein is a fibrous tissue sealant in the form of an anhydrous fibrous sheet comprising a first component which is a fibrous polymer containing electrophilic or nucleophilic groups and a second component capable of crosslinking the first component when the sheet is exposed to an aqueous medium, thereby forming a crosslinked hydrogel that is adhesive to biological tissue. The fibrous tissue sealant may be useful as a general tissue adhesive for medical and veterinary applications such as wound closure, supplementing or replacing sutures or staples in internal surgical procedures, tissue repair, and to prevent post-surgical adhesions. The fibrous tissue sealant may be particularly suitable for use as a hemostatic sealant to stanch bleeding from surgical or traumatic wounds.Type: ApplicationFiled: March 25, 2015Publication date: July 16, 2015Applicant: Actamax Surgical Materials, LLCInventors: Samuel David Arthur, Tao Huang, William Gerald DiMaio, JR., George K. Kodokian
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Patent number: 9017703Abstract: Disclosed herein is a fibrous tissue sealant in the form of an anhydrous fibrous sheet comprising a first component which is a fibrous polymer containing electrophilic or nucleophilic groups and a second component capable of crosslinking the first component when the sheet is exposed to an aqueous medium, thereby forming a crosslinked hydrogel that is adhesive to biological tissue. The fibrous tissue sealant may be useful as a general tissue adhesive for medical and veterinary applications such as wound closure, supplementing or replacing sutures or staples in internal surgical procedures, tissue repair, and to prevent post-surgical adhesions. The fibrous tissue sealant may be particularly suitable for use as a hemostatic sealant to stanch bleeding from surgical or traumatic wounds.Type: GrantFiled: August 16, 2013Date of Patent: April 28, 2015Assignee: Actamax Surgical Materials, LLCInventors: Samuel David Arthur, Tao Huang, William Gerald DiMaio, Jr., George K. Kodokian
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Patent number: 8763861Abstract: A device for dispensing individual components of a two-component adhesive includes first and second manifold members, each having a distribution chamber therein. A set of conveying tubes is supported within the dispensing device and collectively present a predetermined total cross-sectional flow area to the first distribution chamber. The second manifold member has an array of passages therethrough. Each tube extends substantially concentrically through a respective passage to define annular flow spaces that collectively present a predetermined total cross-sectional flow area to the second distribution chamber member. First and second components emanating from the tubes and the flow spaces are able to intermix with and diffuse into each other on the discharge area of the second manifold member. The cross-sectional flow areas presented to the first and second distribution chambers are equal.Type: GrantFiled: December 17, 2010Date of Patent: July 1, 2014Assignee: Actamax Surgical Materials, LLCInventors: James William Ashmead, William Gerald DiMaio
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Patent number: 8757444Abstract: A device for dispensing individual components of a two-component adhesive includes first and second manifold members, each having a distribution chamber therein. A set of conveying tubes is supported within the dispensing device and collectively present a predetermined total cross-sectional flow area to the first distribution chamber. An array of openings and an array of passages extend through the second member. The openings receive the discharge ends of the conveying tubes. The passages are disposed in fluid communication with the second distribution chamber. The passages collectively present a predetermined total cross-sectional flow area to the second distribution chamber member. The openings and the passages are laterally spaced with respect to each other such that the discharge ends of the tubes are interspersed among the passages. The cross-sectional flow areas presented to the first and second distribution chambers are different.Type: GrantFiled: December 17, 2010Date of Patent: June 24, 2014Assignee: Actamax Surgical Materials, LLCInventors: James William Ashmead, William Gerald DiMaio
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Patent number: 8678238Abstract: A self-contained, hand-held spray dispensing device includes an internal source of pressurized fluid that exerts a motive force on a pair of liquid ejecting elements to cause each to eject a liquid into a discharge line. The liquids remain separated until each exits its discharge port. A pressurized fluid is directed over the outlet ends of the discharge line beginning before a flow interrupter in the discharge line is opened to permit flow therethrough and ceasing after liquid flow is terminated. The pressurized fluid flow over the outlet of the discharge line aerosolizes liquids emanating from the outlet ends. The liquid ejecting element is connected to a force transmitting yoke. The yoke responds to pressurized fluid from the source to generate the motive force on the ejecting element.Type: GrantFiled: August 5, 2010Date of Patent: March 25, 2014Assignee: Actamax Surgical Materials, LLCInventors: Donald H. Brunk, William Gerald Dimaio, Jr.
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Publication number: 20130337036Abstract: Disclosed herein is a fibrous tissue sealant in the form of an anhydrous fibrous sheet comprising a first component which is a fibrous polymer containing electrophilic or nucleophilic groups and a second component capable of crosslinking the first component when the sheet is exposed to an aqueous medium, thereby forming a crosslinked hydrogel that is adhesive to biological tissue. The fibrous tissue sealant may be useful as a general tissue adhesive for medical and veterinary applications such as wound closure, supplementing or replacing sutures or staples in internal surgical procedures, tissue repair, and to prevent post-surgical adhesions. The fibrous tissue sealant may be particularly suitable for use as a hemostatic sealant to stanch bleeding from surgical or traumatic wounds.Type: ApplicationFiled: August 16, 2013Publication date: December 19, 2013Applicant: Actamax Surgical Materials, LLCInventors: Samuel David Arthur, Tao Huang, William Gerald Dimaio, JR., George K. Kodokian
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Patent number: 8545871Abstract: Disclosed herein is a fibrous tissue sealant in the form of an anhydrous fibrous sheet comprising a first component which is a fibrous polymer containing electrophilic or nucleophilic groups and a second component capable of crosslinking the first component when the sheet is exposed to an aqueous medium, thereby forming a crosslinked hydrogel that is adhesive to biological tissue. The fibrous tissue sealant may be useful as a general tissue adhesive for medical and veterinary applications such as wound closure, supplementing or replacing sutures or staples in internal surgical procedures, tissue repair, and to prevent post-surgical adhesions. The fibrous tissue sealant may be particularly suitable for use as a hemostatic sealant to stanch bleeding from surgical or traumatic wounds.Type: GrantFiled: August 31, 2009Date of Patent: October 1, 2013Assignee: Actamax Surgical Materials LLCInventors: Samuel David Arthur, Tao Huang, William Gerald Dimaio, Jr., George K. Kodokian
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Publication number: 20130020352Abstract: A device for dispensing individual components of a two-component adhesive includes first and second manifold members, each having a distribution chamber therein. A set of conveying tubes is supported within the dispensing device and collectively present a predetermined total cross-sectional flow area to the first distribution chamber. The second manifold member has an array of passages therethrough. Each tube extends substantially concentrically through a respective passage to define annular flow spaces that collectively present a predetermined total cross-sectional flow area to the second distribution chamber member. First and second components emanating from the tubes and the flow spaces are able to intermix with and diffuse into each other on the discharge area of the second manifold member. The cross-sectional flow areas presented to the first and second distribution chambers are equal.Type: ApplicationFiled: December 17, 2010Publication date: January 24, 2013Applicant: Actamax Surgical Materials, LLCInventors: James William Ashmead, William Gerald DiMaio
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Publication number: 20120325854Abstract: A device for dispensing individual components of a two-component adhesive includes first and second manifold members, each having a distribution chamber therein. A set of conveying tubes is supported within the dispensing device and collectively present a predetermined total cross-sectional flow area to the first distribution chamber. An array of openings and an array of passages extend through the second member. The openings receive the discharge ends of the conveying tubes. The passages are disposed in fluid communication with the second distribution chamber. The passages collectively present a predetermined total cross-sectional flow area to the second distribution chamber member. The openings and the passages are laterally spaced with respect to each other such that the discharge ends of the tubes are interspersed among the passages. The cross-sectional flow areas presented to the first and second distribution chambers are different.Type: ApplicationFiled: December 17, 2010Publication date: December 27, 2012Applicant: Actamax Surgical Materials, LLCInventors: James William Ashmead, William Gerald DiMaio
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Patent number: 8277113Abstract: A dispenser apparatus for dispensing an adhesive containing at least two components includes a mixing device and a header. The mixing device comprises a conveying plate having first and second grooved surfaces each overlaid by a respective cover plate. The conveying plate and opposed cover plates cooperate to define a plurality of separated channels extending through the mixing device. The discharge ends of the channels are interdigitated. First and a second distribution manifolds are defined within the mixing device. A supply port adapted to receive one adhesive component extends through a respective cover plate into fluid communication with one of the distribution manifolds.Type: GrantFiled: June 16, 2009Date of Patent: October 2, 2012Assignee: Actamax Surgical Materials, LLCInventors: James William Ashmead, William Gerald Dimaio, Jr.
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Patent number: 8246241Abstract: A mixing device for mixing adhesives containing at least two components comprises a conveying plate having first and second grooved surfaces each overlaid by a respective cover plate. The conveying plate and the opposed cover plates cooperate to define a plurality of separated channels extending through the mixing device. The discharge ends of the channels are interdigitated. First and a second distribution manifolds are defined within the mixing device. A supply port adapted to receive one adhesive component extends through a respective cover plate into fluid communication with one of the distribution manifolds.Type: GrantFiled: June 16, 2009Date of Patent: August 21, 2012Assignee: Actamax Surgical Materials, LLCInventors: James William Ashmead, William Gerald Dimaio, Jr.
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Publication number: 20120065666Abstract: A seal-less, hand-held dispensing device includes a support platform having a pair of finger gripping surfaces; first and second hollow members on the platform; and a compatibly sized plunger disposed in each hollow member. Each hollow member has a largest inside dimension in the range from about 0.2 mm to about 0.3 mm and each plunger has a largest outside dimension that is sized for compatible receipt within a hollow member. The largest outside dimension of each compatibly sized plunger is from about eighty percent (80%) to about ninety-five percent (95%) of the largest inside dimension of a hollow member. An actuator having a thumb actuating surface thereon is operatively engagable with each plunger. When fully extended a predetermined maximum finger span is defined between the actuating surface and the gripping surfaces, the maximum finger span being not greater than about 150 mm.Type: ApplicationFiled: September 10, 2010Publication date: March 15, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: James William Ashmead, William Gerald Dimaio, JR., Grant L. Vincent
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DEVICE FOR DISPENSING MICROLITER QUANTITIES OF A MATERIAL INTO A LONGITUDINALLY EXTENDING WOUND SITE
Publication number: 20120065600Abstract: A seal-less, hand-held dispensing device for dispensing microliter quantities of a material at a site of a slice wound the edges of which are spaced apart a distance in the range from at least about 0.4 mm to about 0.5 mm comprises: a support platform; first and second hollow members on the platform; and a compatibly sized plunger disposed in each hollow member. Each hollow member has a predetermined maximum outside dimension that is not greater than about 0.4 mm such that both of the hollow members are insertable into a space between the edges of a slice wound without undue disruption of any tissue matter surrounding the site. The largest outside dimension of each compatibly sized plunger being in a range from about eighty percent (80%) to about ninety-five percent (95%) of the largest inside diameter of a hollow member in which it is disposed.Type: ApplicationFiled: September 10, 2010Publication date: March 15, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANY.Inventors: JAMES WILLIAM ASHMEAD, William Gerald Dimaio, JR., Grant L. Vincent -
Publication number: 20120065592Abstract: A seal-less, hand-held dispensing device for dispensing microliter quantities of a material at a site of a puncture wound having a predetermined dimension of not less than 0.8 mm comprises: a support platform; first and second hollow members on the platform; and a compatibly sized plunger disposed in each hollow member. The hollow members are positioned on the platform such that a circumscribing circle centered on a point between the hollow members has a diameter that is not greater than about 0.8 mm such that both of the hollow members are insertable into a site of a puncture wound without undue disruption of any tissue matter surrounding the site.Type: ApplicationFiled: September 10, 2010Publication date: March 15, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: James William Ashmead, William Gerald Dimaio, JR., Grant L. Vincent
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Publication number: 20120032000Abstract: A self-contained, hand-held spray dispensing device includes an internal source of pressurized fluid that exerts a motive force on a pair of liquid ejecting elements to cause each to eject a liquid into a discharge line. The liquids remain separated until each exits its discharge port. A pressurized fluid is directed over the outlet ends of the discharge line beginning before a flow interrupter in the discharge line is opened to permit flow therethrough and ceasing after liquid flow is terminated. The pressurized fluid flow over the outlet of the discharge line aerosolizes liquids emanating from the outlet ends. The liquid ejecting element is connected to a force transmitting yoke. The yoke responds to pressurized fluid from the source to generate the motive force on the ejecting element.Type: ApplicationFiled: August 5, 2010Publication date: February 9, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: DONALD H. BRUNK, William Gerald Dimaio, JR.
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Publication number: 20120000935Abstract: A self-contained, hand-held spray dispensing device includes an internal source of pressurized fluid that exerts a motive force on a pair of liquid ejecting elements to cause each to eject a liquid into a discharge line. The liquids remain separated until each exits its discharge port. A pressurized fluid is directed over the outlet ends of the discharge line beginning before a flow interrupter in the discharge line is opened to permit flow therethrough and ceasing after liquid flow is terminated. The pressurized fluid flow over the outlet of the discharge line aerosolizes liquids emanating from the outlet ends. The liquid ejecting element is connected to a force transmitting yoke. The yoke responds to pressurized fluid from the source to generate the motive force on the ejecting element.Type: ApplicationFiled: June 30, 2010Publication date: January 5, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Donald H. Brunk, William Gerald Dimaio, JR.
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Publication number: 20120000993Abstract: A self-contained, hand-held spray dispensing device includes an internal source of pressurized fluid that exerts a motive force on a pair of liquid ejecting elements to cause each to eject a liquid into a discharge line. The liquids remain separated until each exits its discharge port. A pressurized fluid is directed over the outlet ends of the discharge line beginning before a flow interrupter in the discharge line is opened to permit flow therethrough and ceasing after liquid flow is terminated. The pressurized fluid flow over the outlet of the discharge line aerosolizes liquids emanating from the outlet ends. Each liquid ejecting element takes the form of a piston disposed within a cylinder. The pistons responds to pressurized fluid imposed directly thereon from the source to generate the motive force on the ejecting element.Type: ApplicationFiled: June 30, 2010Publication date: January 5, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: DONALD H. BRUNK, William Gerald Dimaio, JR.
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Publication number: 20110250257Abstract: Disclosed herein is a fibrous tissue sealant in the form of an anhydrous fibrous sheet comprising a first component which is a fibrous polymer containing electrophilic or nucleophilic groups and a second component capable of crosslinking the first component when the sheet is exposed to an aqueous medium, thereby forming a crosslinked hydrogel that is adhesive to biological tissue. The fibrous tissue sealant may be useful as a general tissue adhesive for medical and veterinary applications such as wound closure, supplementing or replacing sutures or staples in internal surgical procedures, tissue repair, and to prevent post-surgical adhesions. The fibrous tissue sealant may be particularly suitable for use as a hemostatic sealant to stanch bleeding from surgical or traumatic wounds.Type: ApplicationFiled: August 31, 2009Publication date: October 13, 2011Inventors: Samuel David Arthur, Tao Huang, William Gerald Dimaio, JR., George K. Kodokian