Patents Assigned to ConvaTec Technologies Inc.
  • Patent number: 12642686
    Abstract: An ostomy bag can include one or more sensors for measuring one or more metrics. An ostomy wafer can also include one or more sensors for measuring one or more metrics. The sensors can be temperature sensors and/or capacitive sensors, for example, and the metrics can include bag fill, leakage, skin irritation, and phase of stoma output, among others.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: June 2, 2026
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Michael Seres, Anupriya Jai Tilak Naik, David Ramirez-Ayala, Yumeng Wu, Bryan Went, Erick Went, Sabrina Kaefer, Irina Dorofeeva, Tianbin Zhao
  • Patent number: 12558515
    Abstract: An apparatus according to certain embodiments generally includes an elongated tubular member having a proximal end and an opposite distal end, and an inflatable balloon surrounding the distal end. The elongated tubular member comprises an outer tube, a non-collapsible inner tube positioned within the outer tube, and a compressible material positioned between the outer tube and the inner tube.
    Type: Grant
    Filed: June 11, 2024
    Date of Patent: February 24, 2026
    Assignee: ConvaTec Technologies Inc.
    Inventors: Mingliang Lawrence Tsai, Pavel Zeliankevich
  • Patent number: 12502454
    Abstract: Methods, processes and compositions are provided for improved wound dressings comprising an antimicrobial composition. The wound dressings maintain conformability and strength, as well as antimicrobial performance, upon use after storage.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: December 23, 2025
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: David Parsons, Christopher Ledger
  • Patent number: 12458540
    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: August 11, 2020
    Date of Patent: November 4, 2025
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Stephen Bishop, Duncan Gilding, Bryony Lee, Shauna Powell
  • Patent number: 12427049
    Abstract: Ostomy wafers, ostomy devices incorporating ostomy wafers, and methods of applying ostomy wafers and ostomy devices are disclosed herein. An ostomy wafer may include an external layer and a convex surface coupled to the external layer. An ostomy device may include an ostomy pouch and an ostomy wafer coupled to the ostomy pouch that includes an external layer and a convex surface coupled to the external layer.
    Type: Grant
    Filed: February 27, 2023
    Date of Patent: September 30, 2025
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Emily Donovan, Garry Storey, Wayne Bonnefin, Roxanna Woodward, Stephen Desmond, Lisa Price, Clive Wilson, James Glover
  • Patent number: 12415014
    Abstract: Antibacterial nanofibres and methods for their preparation are described. Antibacterial nanofibres include as-spun alginate nanofibres treated with silver to generate silver-alginate nanofibres. Antibacterial nanofibres provided are useful components of wound dressings, wherein the wound dressings optionally further comprise malodor absorbing agents such as cyclodextrins.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: September 16, 2025
    Assignee: ConvaTec Technologies Inc.
    Inventors: Mohammad Forhad Hossain, Hugh R. Gong, Lucy Ballamy
  • Patent number: 12397317
    Abstract: Methods of modifying a medical device and manufacturing a medical device are disclosed. One embodiment of a method of modifying a medical device includes treating a portion of the medical device with cold plasma and functionalizing the plasma-treated portion with a polymer. One embodiment of a method of manufacturing a medical device includes providing a subcutaneous part configured to be positioned subcutaneously in a user and performing a surface treatment on a portion of the subcutaneous part.
    Type: Grant
    Filed: January 9, 2024
    Date of Patent: August 26, 2025
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventor: Neal Robert Carty
  • Patent number: 12357494
    Abstract: A maintenance bag of an ostomy system can include fewer sensors than a diagnostic or analytic ostomy bag that is typically used for newer users. The maintenance bag can include sensors and electronics to detect fill level of the bag. The maintenance bag can also include a bag sealing mechanism that can detect drainage events and aid the user to track inventory of the bags. A wafer that can be used with an ostomy bag can include leak sensors configured to detect leak of effluent. The wafer can also include temperature sensors configured to detect inflammation. The wafer can further include a convex interface for better fit with certain users.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: July 15, 2025
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Robert Fearn, Asif Shakeel, David Ramirez-Ayala, Sabrina Kaefer, Irina Dorofeeva, Naresh C. Bhavaraju, Jeanneane Waddell, Thomas Yuschak
  • Patent number: 12318553
    Abstract: An apparatus according to certain embodiments generally includes an elongated tubular member having a proximal end and an opposite distal end, and an inflatable balloon surrounding the distal end. The elongated tubular member comprises an outer tube, a non-collapsible inner tube positioned within the outer tube, and a compressible material positioned between the outer tube and the inner tube.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: June 3, 2025
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Mingliang Lawrence Tsai, Pavel Zeliankevich
  • Patent number: 12296071
    Abstract: Methods of modifying medical devices and medical devices are disclosed. One embodiment of a method of modifying a medical device includes functionalizing a surface of the medical device using cold plasma. One embodiment of a medical device is obtained by a method of modifying a device that includes functionalizing a surface of the medical device using cold plasma.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: May 13, 2025
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Rachel Zimet Pytel, Neal Robert Carty
  • Patent number: 12257323
    Abstract: Embodiments described herein relate to compounds for the detection of wounds, e.g., chronic wounds or infected wounds, including compositions, substrates, kits, dressing materials, and articles, and systems containing such compounds. Further embodiments relate to methods of using these compositions, kits and systems in diagnostic assays, and in the diagnosis and/or detection of chronic or infected wounds based on enzymatic conversion of specific substrates which are contained in the compositions. Additional embodiments relate to methods of characterizing wounds based on expression of a plurality of markers and using such information to treat, manage, and follow-up patients suffering from chronic or infected wounds.
    Type: Grant
    Filed: November 20, 2023
    Date of Patent: March 25, 2025
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventor: Lucy Ballamy
  • Patent number: 12245964
    Abstract: Systems and methods of providing post-operative ostomy patient care can include software and/or hardware that facilitates patient care personnel, such as a patient coach, providing remote patient care or coaching over a network to an ostomy patient. The care may be provided by specially trained former patients, nurses, or other care providers. The system can integrate sensor data from an ostomy device and inputs from the former patients, healthcare professionals, and/or device manufacturer in provide the post-operative care.
    Type: Grant
    Filed: November 2, 2023
    Date of Patent: March 11, 2025
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Michael Seres, Karen Anaid Solis Gonzalez
  • Patent number: 12233002
    Abstract: An ostomy bag can include one or more sensors for measuring one or more metrics. An ostomy wafer can also include one or more sensors for measuring one or more metrics. The sensors can be temperature sensors and/or capacitive sensors, for example, and the metrics can include bag fill, leakage, skin irritation, and phase of stoma output, among others.
    Type: Grant
    Filed: November 16, 2022
    Date of Patent: February 25, 2025
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Michael Seres, Anupriya Jai Tilak Naik, David Ramirez-Ayala, Yumeng Wu, Bryan Went, Erick Went, Sabrina Kaefer, Irina Dorofeeva, Tianbin Zhao, Balaji Meda Ravindra
  • Patent number: 12226603
    Abstract: 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: Grant
    Filed: February 3, 2023
    Date of Patent: February 18, 2025
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventor: Christopher Gregory
  • Patent number: 12193964
    Abstract: Ostomy wafers, ostomy devices incorporating ostomy wafers, and methods of applying ostomy wafers and ostomy devices are disclosed. An ostomy wafer may include an external layer and a convex surface coupled to the external layer. An ostomy device may include an ostomy pouch and an ostomy wafer coupled to the ostomy pouch that includes an external layer and a convex surface coupled to the external layer.
    Type: Grant
    Filed: May 1, 2023
    Date of Patent: January 14, 2025
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Emily Donovan, Garry Storey, Wayne Bonnefin, Roxanna Woodward, Stephen Desmond, Lisa Price, Clive Wilson, James Glover
  • Patent number: 12186228
    Abstract: 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: Grant
    Filed: November 1, 2021
    Date of Patent: January 7, 2025
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: John Cline, Bret Weig, Christopher Gregory, John Blum
  • Patent number: 12121645
    Abstract: An apparatus (10) for controlling flow of fluid from a wound site of a patient including a cavity (28) connectable to a wound site and a reservoir (16). The cavity (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 cavity (28) may be adapted to manage fluid flow between the wound site and the reservoir (16) during transition of the cavity (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 cavity (28) from the second state to the first state.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: October 22, 2024
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventor: Landy Aaron Toth
  • Patent number: 12102553
    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: February 3, 2020
    Date of Patent: October 1, 2024
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Mingliang Lawrence Tsai, Tinh Nguyen-DeMary
  • Patent number: 12076265
    Abstract: Certain embodiments of the present application relate to an adjustable ostomy wafer system including an ostomy wafer and an insert ring. The ostomy wafer includes an adjustable layer with an effluent opening through which effluent flows, and the adjustable layer has a body-facing side and a non-body-facing side. The insert ring is capable of providing or increasing convexity of the adjustable layer when the insert ring is pressed against the non-body-facing side of the adjustable layer.
    Type: Grant
    Filed: July 18, 2023
    Date of Patent: September 3, 2024
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventor: James D. Jones, Jr.
  • Patent number: 12070410
    Abstract: A coupling assembly for an ostomy appliance that has a bag side flange having a bag and an integrated element having an accordion membrane and a body side flange, the integrated element configured to be selectively coupled to the bag side flange. The integrated element is formed in a single manufacturing process.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: August 27, 2024
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Don Jones, Mark E. Martich