Patents Assigned to ConvaTec Technologies Inc.
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Patent number: 10493101Abstract: An antiseptic composition suitable for use on skin and wounds comprising a source of an antimicrobial agent and an agent which disrupts biofilms. More, particularly the invention relates to a composition capable of providing effective antimicrobial activity while at the same time avoiding wound and skin irritation and retardation of wound healing.Type: GrantFiled: December 7, 2016Date of Patent: December 3, 2019Assignee: ConvaTec Technologies Inc.Inventors: Steven L. Percival, Phillip G. Bowler, David Parsons
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Patent number: 10478329Abstract: Ostomy appliances with a filter system that is resistant to clogging by waste expelled by the stoma are provided for waste management.Type: GrantFiled: April 24, 2015Date of Patent: November 19, 2019Assignee: CONVATEC TECHNOLOGIES INC.Inventors: Gary Oberholtzer, Marc Lesko
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Patent number: 10449082Abstract: Disclosed herein are methods and devices for coupling and securing a medical device appliance. In particular, one piece moldable adhesive structures are disclosed which allow customization of an attachment wafer to the size and shape of, for example, a stoma, while allowing flexibility and security for attaching a medical device, such as an ostomy pouch or other device to the subject.Type: GrantFiled: May 23, 2014Date of Patent: October 22, 2019Assignee: CONVATEC TECHNOLOGIES INC.Inventor: Kenneth Johnsen
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Patent number: 10406277Abstract: A rectal drainage appliance is disclosed comprising a tubular element having an inflatable balloon at a distal end for anchoring the appliance in the rectum. The appliance includes one or more of: (i) first and second auxiliary lumens communicating with the inflatable balloon to provide independent inflation and pressure monitoring paths coupled to the balloon; (ii) a pressure state indicator defined by a mechanical element configured to flip between first and second states or shapes responsive to sensed pressure; and (iii) a collapsible auxiliary lumen larger than the inflation lumen, and configured to permit admission of irrigation fluid. The pressure state indicator may also be used in intestinal drains.Type: GrantFiled: July 29, 2016Date of Patent: September 10, 2019Assignee: ConvaTec Technologies Inc.Inventor: Christopher Gregory
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Patent number: 10391197Abstract: A wound dressing having anti-microbial activity comprises a first fiber capable of bonding with silver (1) cations. The wound dressing comprises a blend of the first fiber to which silver (1) cations are bonded and a second fiber which is substantially free from silver. The wound dressing comprises from 0.01 to 5.0 percent by weight of silver (1) cations, based on the weight of fiber.Type: GrantFiled: June 11, 2018Date of Patent: August 27, 2019Assignee: ConvaTec Technologies Inc.Inventor: David Malcolm Woods
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Patent number: 10350326Abstract: A wound dressing comprising a mat of gel forming fibers comprising silver, the mat having an open structure reinforced with textile fibers or threads, or fibers or threads of limited absorbency for use in the treatment of wounds.Type: GrantFiled: May 30, 2013Date of Patent: July 16, 2019Assignee: Convatec Technologies Inc.Inventors: Wayne Lee Bonnefin, Ander Albizuri Bugedo, David Parsons, Joseph Thompson
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Patent number: 10294317Abstract: A silicone pressure sensitive adhesive with amphiphilic copolymers for maintaining adhesion in a moist environment. The amphiphilic copolymers for silicone adhesives include at least one silicone moiety and at least one hydrophilic segment. Such adhesives are applicable to securing medical devices to human skin.Type: GrantFiled: July 7, 2010Date of Patent: May 21, 2019Assignee: Convatec Technologies Inc.Inventors: Mahesh Sambasivam, Joseph C. Salamone, Ann Beal Salamone, Xiang Yu
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Patent number: 10285847Abstract: An ostomy appliance including an ostomy pouch with a filter and a center pleated panel to protect the filter, facilitate deodorization and deter ballooning.Type: GrantFiled: September 29, 2011Date of Patent: May 14, 2019Assignee: CONVATEC TECHNOLOGIES INC.Inventors: Marc Lesko, Mingliang Lawrence Tsai, Gary Oberholtzer
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Patent number: 10207031Abstract: An integrated system for assessing wound exudates from the wound of a patient is described. The system may contain functionality to detect, process and report various wound parameters. The system also may make treatment determinations based on these findings. The system may detect one or more physiological values of the wound exudates from the wound of the patient. The system may means for comparing the one or more detected physiological values to predetermined physiological values in order to obtain a comparison result in real time. The system may include a processor 15 which provides an electronic signal based on a comparison result in which the electronic signal may correspond to guidelines for treating the wound 13. The system may be integrated with other wound treatment devices, such as negative pressure wound therapy devices (NPWT) 9.Type: GrantFiled: December 7, 2011Date of Patent: February 19, 2019Assignee: Convatec Technologies Inc.Inventor: Landy Aaron Toth
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Patent number: 10179823Abstract: The invention relates to a method for dissolving the components of gel forming materials suitable for use in wound care comprising the steps of admixing said components with an ionic liquid. The ionic liquid may be selected from the group of tertiary amine N-oxides, N,N-dimethyl formamide/nitrogen tetroxide mixtures, dimethyl sulphoxide/paraformaldehyde mixtures and solutions of limium chloride in N,N-dimethyl acetamide or N-methyl pyrrolidone.Type: GrantFiled: May 5, 2016Date of Patent: January 15, 2019Assignee: Convatec Technologies Inc.Inventors: David Kershaw, Simon Adams
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Patent number: 10166137Abstract: A fecal catheter or ostomy pouch made of an odor barrier material including a thermoplastic elastomer, odor barrier modifier and an antiblocking agent.Type: GrantFiled: March 16, 2012Date of Patent: January 1, 2019Assignee: CONVATEC TECHNOLOGIES INC.Inventors: Tinh Nguyen-Demary, Mingliang Lawrence Tsai
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Patent number: 10166138Abstract: A stoma adapter is described that is especially suited to a recessed stoma or a flush stoma. The stoma adapter effectively extends the discharge passage from the stoma, protects peristomal skin, and forms a bridge at the interface between the stoma and an ostomy appliance. The stoma adapter contains a substantially unobstructed discharge passage, at least for effluent flowing in a discharge direction. The stoma adapter includes a seal for sealing against the bowel wall. The stoma adapter has collapsing, expanding, flexible and reinforced designs.Type: GrantFiled: June 11, 2008Date of Patent: January 1, 2019Assignee: Convatec Technologies, Inc.Inventors: John Cline, Bret Weig, Christopher Gregory, John Blum
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Patent number: 10117783Abstract: A wound dressing comprising an absorbent layer, the absorbent layer being gathered in a longitudinal direction by one or more resilient yarns.Type: GrantFiled: September 29, 2009Date of Patent: November 6, 2018Assignee: CONVATEC Technologies Inc.Inventors: Stephen Michael Cotton, Bryony Jayne Lee
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Patent number: 10105255Abstract: A coupling assembly for fastening an adhesive wafer to an ostomy appliance device, the coupling assembly including a captive connection between the adhesive wafer and ostomy appliance that permits captive relative displacement between the entire adhesive wafer and the entrance aperture of the appliance, to facilitate access to the wafer from the non-body-contacting side. The coupling assembly further comprises a fixation coupling for fixing the adhesive wafer in the operative position.Type: GrantFiled: October 7, 2016Date of Patent: October 23, 2018Assignee: CONVATEC TECHNOLOGIES INC.Inventors: George Fattman, Gary Oberholtzer
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Patent number: 10045877Abstract: A stoma extender includes a first end for insertion into a stoma for diverting stomal effluent into the stoma extender before the effluent exits the stoma; a second end for remaining external of the stoma, for providing a discharge exit for stomal effluent; and a conduit portion coupled between the first and second ends for communicating stomal effluent through the stoma extender, wherein the length of the conduit portion is adjustable stably, to permit adaptation of the stoma extender to an individual's stoma.Type: GrantFiled: June 19, 2009Date of Patent: August 14, 2018Assignee: CONVATEC TECHNOLOGIES INC.Inventor: Bret Weig
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Patent number: 10028857Abstract: Disclosed are computer-based systems and media for providing an interactive ostomy treatment guide, and methods of using the same, the guide comprising: a software module configured to receive ostomy assessment information, the assessment information comprising one or more of: condition of skin adjacent an ostomy, topographical location of any peristomal lesion, stoma type, pouching surface type, stoma devices present, and stoma complications; a software module configured to apply a treatment algorithm to the ostomy assessment information to generate an output; and a software module configured to display one or more ostomy management options based on the output.Type: GrantFiled: March 15, 2013Date of Patent: July 24, 2018Assignee: CONVATEC TECHNOLOGIES INCInventors: Terese Casado, Victoria Schafer, Teresa Slankard
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Patent number: 10010647Abstract: A wound dressing having anti-microbial activity comprises a first fiber capable of bonding with silver (1) cations. The wound dressing comprises a blend of the first fiber to which silver (1) cations are bonded and a second fiber which is substantially free from silver. The wound dressing comprises from 0.01 to 5.0 percent by weight of silver (1) cations, based on the weight of fiber.Type: GrantFiled: May 24, 2016Date of Patent: July 3, 2018Assignee: CONVATEC TECHNOLOGIES INC.Inventor: David Malcolm Woods
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Patent number: 9943640Abstract: A rectal drainage appliance is disclosed comprising a tubular element having an inflatable balloon at a distal end for anchoring the appliance in the rectum. The appliance includes one or more of: (i) first and second auxiliary lumens communicating with the inflatable balloon to provide independent inflation and pressure monitoring paths coupled to the balloon; (ii) a pressure state indicator defined by a mechanical element configured to flip between first and second states or shapes responsive to sensed pressure; and (iii) a collapsible auxiliary lumen larger than the inflation lumen, and configured to permit admission of irrigation fluid. The pressure state indicator may also be used in intestinal drains.Type: GrantFiled: May 1, 2009Date of Patent: April 17, 2018Assignee: Convatec Technologies, Inc.Inventor: Christopher Gregory
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Patent number: 9943436Abstract: A controlled discharge ostomy appliance assembly comprises (i) a stoma seal that is self-urging with a dynamic damping characteristic that resists changes of seal volume, (ii) a press-fit coupling member displaceable from an unlocked position to a locked position as part of a press-fit process, and (iii) a single-use frangible portion. The assembly further includes a protector shield removably fastened to the appliance forming a combined assembly therewith. The protector shield comprises (i) a seal displacer manipulable for displacing the stoma seal to a non-operative position ready for fitting, (ii) a substantially rigid coupling member guard portion for protecting the state of the coupling member, and (iii) a bracing portion for bracing the single-use frangible portion.Type: GrantFiled: August 22, 2014Date of Patent: April 17, 2018Assignee: CONVATEC TECHNOLOGIES INC.Inventors: Tinh Nguyen-Demary, John Cline, John Blum, Gary Stacey, Philip Davies, Trevor Beckett
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Patent number: 9808606Abstract: The present invention relates to a valve system for an inflatable portion of an indwelling medical device and more particularly to a valve system for fluid regulation of a catheter comprising a fluid inflatable portion that undergoes pressure changes within the body during use.Type: GrantFiled: June 19, 2015Date of Patent: November 7, 2017Assignee: CONVATEC TECHNOLOGIES INC.Inventors: Yun Jin, Christopher Carter Gregory