Patents Assigned to ConvaTec Technologies Inc.
  • Patent number: 11116884
    Abstract: 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: Grant
    Filed: December 31, 2018
    Date of Patent: September 14, 2021
    Assignee: ConvaTec Technologies Inc.
    Inventor: Landy Toth
  • Patent number: 11076978
    Abstract: 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: Grant
    Filed: April 16, 2018
    Date of Patent: August 3, 2021
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Tinh Nguyen-Demary, John Cline, John Blum, Gary Stacey, Philip Davies, Trevor Beckett
  • Patent number: 11076979
    Abstract: 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: Grant
    Filed: August 28, 2018
    Date of Patent: August 3, 2021
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: George Fattman, Gary Oberholtzer
  • Patent number: 11071640
    Abstract: Provided herein are controlled evacuation devices, ostomy devices, methods for the manufacture of such devices and the use of such devices.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: July 27, 2021
    Assignee: Convatec Technologies Inc.
    Inventors: George Fattman, Kimberly Murray, Marc Lesko, Thomas Harrit, Nicolani Sorensen
  • Patent number: 11039950
    Abstract: Described herein is a medical device with an opening system. The medical device is foldable from an open to a closed condition. It is secured in its closed condition. In certain embodiments, the medical device is an ostomy pouch.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: June 22, 2021
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: James D. Jones, Jr., Gary Oberholtzer
  • Patent number: 10968543
    Abstract: A wound dressing for use in vacuum wound therapy comprising a wound contact layer which is an open structure comprising a yarn comprising gel-forming filaments or fibres, the structure having a porosity which allows exudate to flow through it.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: April 6, 2021
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Wayne Bonnefin, Sarah Wroe, Amelia Prentice
  • Patent number: 10864107
    Abstract: 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: Grant
    Filed: July 16, 2018
    Date of Patent: December 15, 2020
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventor: Bret Weig
  • Patent number: 10842976
    Abstract: Valves and valve systems are provided that are useful for integration with inflatable indwelling medical devices to prevent over-inflation of retention balloon.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: November 24, 2020
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventor: Mingliang Lawrence Tsai
  • Patent number: 10780200
    Abstract: An apparatus (10) for controlling flow of fluid from a wound site of a patient may include a chamber (28) connectable to a wound site and a reservoir (16). The chamber (28) may have a first deformed state, and a second state in which it is not deformed or less deformed than in the first state. The chamber (28) may be adapted to manage fluid flow between the wound site and the reservoir (16) during transition of the chamber (28) between the first state and the second state. An actuator element (64) of the apparatus (10) may be adapted to operate on the chamber (28) to transition the chamber (28) from the second state to the first state.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: September 22, 2020
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventor: Landy Toth
  • Patent number: 10779993
    Abstract: A wound exudate management system includes a pump for generating negative pressure, a dressing for covering and protecting a wound of a user, a tube including an interior lumen, the tube disposed between the pump and the dressing such that the pump and the dressing are in fluid communication via the interior lumen. The dressing includes an adhesive layer for adhering the dressing adjacent the wound, a wound contact layer, a pressure dispersion layer, a plurality of layers of absorbent material disposed between the wound contact layer and the pressure dispersion layer, a backing layer having a first surface and a second surface, the first surface of the backing layer being adjacent, and in contact with, the pressure dispersion layer and the adhesive layer, and a flexible connector disposed on the second surface of the backing layer.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: September 22, 2020
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Stephen Bishop, Duncan Gilding, Bryony Lee, Shauna Powell
  • Patent number: 10772755
    Abstract: The end of the elongated tubular element of the appliance that is designed to be inserted into a body cavity is formed entirely of soft, compliant material. That end carries an inflatable balloon made of non-expandable material, formed in the fully inflated shape, to prevent overexpansion. The balloon is inflated to a predetermined low pressure level to prevent pressure necrosis in the adjacent tissue. A method and apparatus for introducing the soft end of the appliance into the body cavity are also provided. The introducer apparatus includes rigid core surrounded by a soft, compliant sleeve. The sleeve extends beyond the rigid core to form an invertable section. The soft end of the appliance is situated adjacent the apparatus, the balloon is wrapped around the apparatus, and the sleeve section is inverted over the appliance, compressing the balloon and forming a soft, rounded insertion tip. The unit is then introduced into the body cavity.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: September 15, 2020
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventor: Christopher C. Gregory
  • Patent number: 10751442
    Abstract: The invention relates to a chemically modified cellulose based dressing particularly for use in the dressing of wounds but also for use as a packing material. Dressings according to the invention seek to mitigate the problems associated with shrinkage encountered with fibrous dressings made of gel-forming fibres and comprise a compressed body of chemically modified polysaccharide having a density of at least 0.08 g/cm3.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: August 25, 2020
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Wayne Bonnefin, Lucy Ballamy
  • Patent number: 10751493
    Abstract: The body has a fluid inlet port for receiving pressurized fluid and a fluid outlet port connected to the retention balloon. A first passage connects the fluid inlet port and the fluid outlet port, A second passage in the body is connected to the balloon fluid return path and is at the pressure of the retention balloon. A valve prevents fluid flow through the first passage when actuated. The valve includes a pressure-responsive member movable to a position to obstruct fluid flow in response to fluid pressure in the second passage exceeding the predetermined level. Flexible means such as a membrane defines a normally open portion of the first fluid passage, which is closed by the moveable means bearing on the membrane when pressure exceeding the predetermined level actuates the valve.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: August 25, 2020
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Christopher Gregory, Yun Jin, John B. Cline
  • Patent number: 10739352
    Abstract: A method of diagnosis or prediction of infection of a mammalian wound, said method comprising the step of detecting the presence of a cytokine selected from the group comprising procalcitonin, amino procalcitonin (N-ProCT), eotaxin, granulocyte macrophage colony stimulating factor (GM-CSF), interleukins IB monocyte chemotactic protein-1 (MCP-1), macrophage inflammatory protein-1 alpha (MIP-1a), regulated upon activation normal T expressed and secreted (RANTES) in fluid taken from the wound. Also claimed is the device for use in the method.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: August 11, 2020
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Philip Godfrey Bowler, Samantha Alison Jones, Sarah Anne Welsby
  • Patent number: 10709825
    Abstract: A stand-alone system for assessing wound exudates from the wound of a patient is described. The system contains 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 also compare 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 the comparison result in which the electronic signal may corresponds to guidelines for treating the wound (3). The system described may be an accessory, which may be used on its own, or in conjunction with other wound treatment devices (9).
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: July 14, 2020
    Assignee: ConvaTec Technologies Inc.
    Inventor: Landy Aaron Toth
  • Patent number: 10695229
    Abstract: A self-sealing dressing (10) for application to skin of a human may include a substrate (12) including elastomeric material, and a cold flow adhesive layer (18) coupled to the substrate. The adhesive layer (18) may be adapted to adhere to skin of a human to form a substantially gas impermeable seal between the adhesive layer (18) and the skin that is maintained during repeated flexure and/or extension of the dressing. A maximum thickness of the combination of the substrate (12) and the adhesive layer (18) may be about 25 um.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: June 30, 2020
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventor: Landy Aaron Toth
  • Patent number: 10687985
    Abstract: A wound dressing is in the form of a strip or a ribbon. The strip or ribbon is made of gel-forming fibers and has longitudinal lines of stitches formed from a thread and transverse lines of stitches formed from a thread.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: June 23, 2020
    Assignee: CONVATEC TECHNOLOGIES, INC.
    Inventors: Bryony Jayne Lee, Stephen Michael Cotton
  • Patent number: 10588773
    Abstract: The present invention is a drainable ostomy pouch having a closure system that includes a resealable press and seal material. The material facilitates closing and opening of the ostomy pouch outlet. A space between the comfort panel and the pouch material can accommodate the closure system or at least a portion of the closure system.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: March 17, 2020
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Mingliang Lawrence Tsai, Tinh Nguyen-DeMary
  • Patent number: 10576262
    Abstract: A spring-loaded bag connector having a spring-loaded valve and a housing comprising a fluid inlet portion and a fluid outlet portion. The spring-loaded bag connector is configured to connect with a fluid collection bag to generate a self-closing collection bag. Additionally, the spring-loaded bag connector is configured to couple with a second coupling element, such as a coupling connector, to facilitate the drainage and collection of waste to a fluid collection bag. Uncoupling of the bag connector and the second coupling element results in minimal fluid contamination on the outer surfaces of the bag connector system. The bag connector systems provided herein are included in medical appliances for body waste management.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: March 3, 2020
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Mingliang Lawrence Tsai, Tinh Nguyen Demary
  • Patent number: 10543133
    Abstract: An absorbent component for a wound dressing, the component comprising a wound contacting layer comprising gel forming fibres bound to a foam layer.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: January 28, 2020
    Assignee: ConvaTec Technologies Inc.
    Inventors: Helen Louise Shaw, David Colin Pritchard, Bryony Jayne Lee, Stephen Mark Bishop