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143 results about "Ostomy appliances" patented technology

Ostomy pouching systems are also sometimes referred to as an appliance, where the term appliance refers to a prosthesis, as a mechanical replacement for a biological function.

Sensor patch for ostomy appliance

A sensor patch for attachment to the adhesive surface of a base plate of an ostomy appliance is disclosed. The sensor patch has a proximal surface for attachment to the skin surface of a user and a distal surface for attachment of the sensor patch to the adhesive surface of a base plate. The sensor patch comprises an adhesive layer having a proximal side including a proximal surface for adhering the sensor patch to the skin, and a distal side including a distal surface; and a sensing layer comprising a nonwoven substrate and electrical conductors, the sensing layer arranged on the distal side of the adhesive layer, the sensing layer having a proximal side including a proximal surface and a distal side including a distal surface, the sensing layer being liquid permeable.
Owner:COLOPLAST AS

Ostomy appliance having conductive ink circuit for leakage detection

An ostomy appliance includes a substrate and at least one Radio Frequency Identification (RFID) circuit disposed on the substrate. The RFID circuit includes a RFID transponder having an antenna and a conductive ink connected in series with the antenna and the RFID transponder. The conductive ink is configured to dissolve in response to exposure to moisture. The RFID circuit is in a closed condition when the conductive ink extends continuously between the RFID transponder and the antenna. The RFID circuit is in an open condition when at least a portion of the conductive ink is dissolved.
Owner:HOLLISTER INCORPORAED

Ostomy system for predicting a site of leakage

An ostomy system, a sensor assembly (310) for an ostomy appliance of an ostomy system, and a method related to the ostomy system is disclosed. The ostomy appliance comprises a first adhesive layer (80), a sensor assembly (310), and a monitor device. The sensor assembly (310) comprises a first sensor (311) at least partly encircling the centre point and a second sensor (312) at least partly encircling the first sensor (311). The first sensor (311) comprises at least a primary sensing segment (311a) arranged in a primary sector (310A) of the sensor assembly and a secondary sensing segment (311b) arranged in a secondary sector (310B). The monitor device is configured to determine a main sector (310M) wherein liquid has been detected by the primary and / or secondary sensing segment (311a / 311b), respectively, and to indicate a site of leakage from the ostomy appliance based on at least the main sector (310M).
Owner:COLOPLAST AS

Stomal sensor patch

Disclosed is a sensor patch for attachment to a base plate for an ostomy appliance, and a method for manufacturing such sensor patch. The sensor patch having a proximal side and a distal side. The distal side being adapted for attachment to an adhesive surface of the base plate, wherein the adhesive surface of the base plate is adapted for attachment of the base plate to the skin surface of a user. The sensor patch comprises: a sensor assembly comprising a plurality of electrodes, and a first adhesive sensor layer forming the proximal side of the sensor patch and being adapted for attachment of the sensor patch to the skin surface of the user. The first adhesive sensor layer comprises a first centre portion having a first centre thickness and a first outer rim portion surrounding the first centre portion. The first outer rim portion has a first outer rim thickness decreasing along a radial direction from adjacent the first centre portion to a first outer periphery of the first adhesive sensor layer.
Owner:COLOPLAST AS

Stomal sensor patch

Disclosed is a sensor patch (50) for attachment to a base plate for an ostomy appliance, and a method for manufacturing such sensor patch. The sensor patch having a proximal side and a distal side. The distal side being adapted for attachment to an adhesive surface of the base plate, wherein the adhesive surface of the base plate is adapted for attachment of the base plate to the skin surface of a user. The sensor patch comprises: a sensor assembly (204) comprising a plurality of electrodes (216), and a first adhesive sensor layer (52) forming the proximal side of the sensor patch and being adapted for attachment of the sensor patch to the skin surface of the user. The first adhesive sensor layer comprises a first centre portion (62) having a first centre thickness and a first outer rim portion (64) surrounding the first centre portion. The first outer rim portion has a first outer rim thickness decreasing along a radial direction from adjacent the first centre portion to a first outer periphery of the first adhesive sensor layer.
Owner:COLOPLAST AS

Ostomy appliance with selective sensor points and related methods

Embodiments of a base plate and / or a sensor assembly part of an ostomy appliance including selective sensor points are disclosed. The base plate and / or the sensor assembly part comprises: a first adhesive layer and a plurality of electrodes located distally of the adhesive layer. The first adhesive layer comprises a stomal opening with a center point, a proximal surface configured to be attached to a skin surface of a user, and a plurality of sensor point openings arranged circumferentially around the center point at respective radial distances. The plurality of electrodes comprises a first leakage electrode and a second leakage electrode. A sensing part of the first leakage electrode aligns with a first sensor point opening of the plurality of sensor point openings. And, a sensing part of the second leakage electrode aligns with a second sensor point opening of the plurality of sensor point openings to form a leak sensor.
Owner:COLOPLAST AS

Accessory devices of an ostomy system, and related methods for communicating leakage state

The present disclosure provides a method, performed in an accessory device, for communicating a leakage state of an ostomy appliance, wherein the accessory device comprises an interface configured to communicate with one or more devices of an ostomy system, the one or more devices comprising a monitor device, and / or the ostomy appliance configured to be placed on a skin surface of a user. The method comprises obtaining monitor data from the one or more devices, the monitor data being indicative of presence of fluid at a proximal side of a first adhesive layer of the ostomy appliance towards the skin surface; determining a leakage state at the proximal side of the first adhesive layer of the ostomy appliance based on the monitor data, and communicating the leakage state of the ostomy appliance via the interface.
Owner:COLOPLAST AS

Ostomy appliance

An ostomy appliance that has inner and outer walls of flexible sheet material joined together to define a cavity for containing a stomal output, the inner wall having an inlet for receiving the stomal output into the cavity and a retractable drain being slidably movable between an extended configuration for draining the stomal output from the cavity and a retracted configuration for storage of the retractable drain. The retractable drain comprises a closure portion which may be turned up to close an outlet opening of the retractable drain and a first fastener configured to fasten the closure portion in place once turned up.
Owner:CONVATEC LTD

Ostomy appliances

A pouch having a vent aperture and a filter secured to the pouch with adhesive and covering the vent aperture. The filter includes an adhesive layer comprising the adhesive and an adsorbent layer on the adhesive layer. The filter also includes a gas permeable cover layer secured to the adhesive layer such that the adsorbent layer is covered by the gas permeable cover layer. The gas permeable cover layer has an outer profile and the adhesive layer has a corresponding outer profile which is in register with the outer profile of the gas permeable cover layer. The adsorbent layer is positioned on a first side of the adhesive layer so that a first portion of the first side of the adhesive layer is not covered by the adsorbent layer and the gas permeable cover layer is secured to the first portion of the first side of the adhesive layer.
Owner:CONVATEC TECH INC

An ostomy appliance

An ostomy appliance comprising a main body, which defines a waste collecting volume, and has a stoma opening that provides an entrance to the collecting volume, and a cover, which provides a cover layer for the main body, and is connected to the main body by a frangible connection. A method of manufacturing said ostomy appliance is also disclosed. Optionally the cover may be formed from a non-woven, embossed material and the frangible connection may extend around a section of edge of the cover and main body.
Owner:SALTS HEALTHCARE LTD

Ostomy appliance drainage cover

PendingJP2026091161AColostomyThighStoma appliance
This prevents the drainage portion of the ostomy appliance from coming into contact with the wearer's thigh and causing pain. [Solution] A bag-like device for collecting excrement, including feces and urine, discharged from a stoma, and a tubular discharge section for discharging the accumulated material, the discharge section cover of a stoma appliance is T-shaped, and in order to prevent the discharge section from coming into contact with the thigh of the person wearing the stoma appliance, the T-shaped portion that extends to the left and right is wrapped around the discharge section and is fixed around the discharge section by hook-and-loop fasteners at both ends, and the cover covers only the discharge section.
Owner:MIMURO CO LTD

Accelerometer in monitor device

A monitor device (6) for coupling to a sensor assembly of an ostomy appliance is disclosed. The monitor device comprises a housing, a processor arranged in said housing, and an appliance interface configured for coupling the monitor device to the sensor assembly. The appliance interface comprises a plurality of terminals for connecting with a plurality of electrodes of the sensor assembly. Further, the monitor device comprises a three-axis accelerometer (540) configured to generate a position signal. Further, a method for determining a rotational offset of a sensor assembly relative to an ostomy and a system comprising a monitor device and a sensor assembly is disclosed.
Owner:COLOPLAST AS

Ostomy body fitment

An ostomy body fitment for forming a seal between an ostomy appliance and a stoma of an ostomate. The ostomy body fitment has an adhesive pad and a first removable release layer affixed to a first side of the adhesive pad. The adhesive pad has a stomal aperture formed therethrough. The first removable release layer comprises an image on a surface thereof. When the ostomy body fitment is in an unused state, the image is at least partially concealed by a part of the ostomy body fitment when viewed from a second side of the adhesive pad, opposite the first side. The part is moveable between a first position in the unused state to a second position in which the image is at least partially revealed through the stomal aperture when viewed from the second side of the adhesive pad.
Owner:CONVATEC LTD

Application aids for ostomy devices

ActiveCN114340569BColostomyDermatomalMucus
An application aid (10) suitable for assisting a user in applying an adhesive base plate (20) of an ostomy device to a skin surface around a user's stoma, the adhesive base plate including a first adhesive surface (30) facing the skin and a second surface (40) facing away from the skin, the application aid being configured to be removably attached to the base plate and adapted to at least partially surround the user's stoma during application of the base plate to the skin surface around the user's stoma, the application aid including a base portion (70) and a protective member (80) disposed on a surface of the base portion and adapted to prevent mucus from the stoma mucosa from contaminating the base plate during application of the base plate to the skin surface around the user's stoma.
Owner:COLOPLAST AS

An ostomy sealing device

PCT designated stageWO2026114470A1ColostomyBiomedical engineeringComposite material
The present invention relates to an adhesive element for an ostomy device, a base plate for an ostomy device comprising the adhesive element, and an ostomy appliance, said ostomy appliance comprising the adhesive element. The adhesive element is constituted by a plurality of rings or ring segment, arranged concentrically around the center of the adhesive element towards the outer edge of the adhesive element. At least a first ring or ring segment, being located at the center of the adhesive element, can be separated from the remaining rings or ring segments of the adhesive element.
Owner:COLOPLAST AS

Leakage detection system for ostomy appliance

An ostomy device includes a proximal side configured for attachment to a user, a distal side opposite to the proximal side, and a leakage detection sensor having electrically conductive circuitry supported on a support layer. The leakage detection sensor is configured to detect ostomy effluent by detecting a change in resistance in the electrically conductive circuitry. The ostomy device may be an ostomy appliance or an ostomy accessory.
Owner:HOLLISTER INCORPORAED

Ostomy appliance with adhesive having trough and crest portions

An ostomy appliance for attachment to the skin surface of a user, wherein the ostomy appliance is adapted to form a stomal opening with a centre point, the stomal opening being configured to allow passage of output through the stomal opening and into an ostomy pouch attached to the ostomy appliance, the ostomy appliance comprising: a support layer with a distal surface and a proximal surface; a plurality of electrode paths for forming one or more sensors, the plurality of electrode paths being arranged on the proximal surface of the support layer; and an adhesive layer including a distal surface and a proximal surface, the distal surface being arranged on the proximal surface of the support layer and covering the plurality of electrode paths, wherein the adhesive layer comprises one or more trough portions covering a first electrode path and a second electrode path of the plurality of electrode paths and having a substantially uniform thickness, and a crest portion comprising a maximum thickness of the adhesive layer and being distanced from the one or more trough portions, wherein the substantially uniform thickness of the one or more trough portions is less than a thickness of the crest portion.
Owner:COLOPLAST AS

Multi-barrier layer film for ostomy appliance

PCT designated stage expiredWO2025096158A1ColostomyPolymer sciencePolymer chemistry
A multi-barrier layer film for an ostomy appliance includes a first outer layer, a first barrier layer formed from a first polymer, a second barrier layer formed from a polymer different from the first barrier layer, a tie or adhesive layer between the first barrier layer and the second barrier layer and a second outer layer opposite the first outer layer. The first and second barrier layers have different tensile elongation properties.
Owner:HOLLISTER INCORPORAED

Method of detecting leakage in medical devices

A method of detecting ostomy effluent leakage in an ostomy appliance is provided. The method includes the steps of providing a plurality of sensors; measuring resistance of the ostomy appliance using each of the plurality of sensors; entering resistance measurements in a ring buffer configured to hold resistance measurements; calculating a median resistance value of each of the plurality of sensors using the resistance measurements; comparing the median resistance value against a predetermined range of acceptable resistance values; increasing a leak count for a corresponding sensor when the median resistance value of the sensor is outside the predetermined range of acceptable resistance values; determining a leak state when the leak count increases beyond a predetermined acceptable leak count; and sending an alert upon a determination of a leak state.
Owner:HOLLISTER INCORPORAED

Ostomy output diversion device

ActiveUS12396880B2ColostomyPeristomal SkinMechanical engineering
An ostomy output diversion device is used to cover and seal closely around a patient's stoma, to divert stoma effluent output through the device, into a container or reservoir, temporarily eliminating the need of an adhesive-based ostomy pouching system. The ostomy output diversion device is placed over the person's stoma, with the base ring surrounding the peristomal skin, the adjustable inner tube is retracted until the base ring is centered over the stoma, the body support strap is then placed over the device to secure it to the patient's body, the inner tube is then extended over the stoma, the patient applies the desired pressure against the skin, then secures the inner tube in place with the pressure adjustment lock. The device may also include an ostomy pouch mounting ring for attachment to an ostomy pouch, and a disposable receptacle.
Owner:STOMAGIENICS INC

Ostomy barrier release liner system

PendingUS20250352385A1RespiratorsMedical devicesPeristomal SkinSurgery
An ostomy barrier assembly for attaching an ostomy appliance to a peristomal skin surrounding a stoma includes a skin barrier, an inlet opening, and a two-piece split release liner. The skin barrier may include an adhesive. The inlet opening may be defined in the skin barrier for receiving the stoma. The two-piece split release liner may be connected to the skin barrier, may include at least one finger hole, and may be configured to expose the adhesive to the peristomal skin while the skin barrier is aligned with and surrounds the stoma.
Owner:HOLLISTER INCORPORAED

An ostomy appliance

PCT designated stageWO2025168952A1ColostomyMechanical engineeringGeneral surgery
An ostomy appliance (10) including first and second walls (12, 14) connected to each other at or near their peripheries to form a collecting cavity; a stoma-receiving opening (16) for receipt of a stoma; a connection member (20) connected to the first and / or second wall for attaching the appliance to a user; an outlet (22) which extends away from the stoma-receiving opening and terminates in an outlet opening, the outlet including a first outlet wall and a second outlet wall; wherein the outlet has an open condition and a closed condition, and the outlet is folded to move from the open condition to the closed condition, a user engageable member (40) connected so as to form an aperture (50), directly or indirectly, to the first or second outlet wall, the user engageable member at least partially defining the aperture.
Owner:SALTS HEALTHCARE LTD

Distinguishing of liquids in ostomy appliance

An ostomy appliance is disclosed that includes a system for differentiating between sweat and stoma discharge in the ostomy appliance. The ostomy appliance includes an adhesive layer configured to absorb liquid. The system comprises: a first electrode pair comprising a first Ag / AgCl electrode and a second Ag / AgCl electrode exposed to the adhesive layer; and an electronic device including one or more processors, a first interface configured to connect to the first electrode pair, and a second interface. The processor is configured to: obtain sensor data from the first pair of electrodes via the first interface, the sensor data indicating an impedance between the first pair of electrodes; determining one or more fitting parameters of the equivalent circuit model; determining the chloride ion concentration of the liquid; determining whether the liquid is sweat or stoma discharge; and outputting, via the second interface, data indicative of whether the liquid is sweat or stoma discharge.
Owner:COLOPLAST AS

Ostomy appliance system, monitor device, and method of monitoring an ostomy appliance

PendingUS20250114229A1ColostomySensorsMonitoring statusEngineering
A monitor device for an ostomy system comprising an ostomy appliance with a base plate and a method of monitoring an ostomy appliance is disclosed. The monitor device comprises a processor configured to apply a processing scheme; memory; a first interface connected to the processor and the memory, the first interface configured for collecting ostomy data from the base plate coupled to the first interface; and a second interface connected to the processor, wherein to apply a processing scheme comprises: obtain first parameter data, second parameter data, and third parameter data based on the ostomy data; and determine an operating state of the base plate of the ostomy appliance based on the first parameter data, the second parameter data and the third parameter data, wherein the operating state is indicative of a degree of radial erosion of the base plate and / or acute leakage risk for the ostomy appliance, wherein the monitor device is configured to, in accordance with a determination that the operating state is a first operating state, transmit a first monitor signal comprising monitor data indicative of the first operating state of the base plate via the second interface; and in accordance with a determination that the operating state is a second operating state, transmit a second monitor signal comprising monitor data indicative of the second operating state of the base plate via the second interface.
Owner:COLOPLAST AS

Sensor patch for attachment to a base plate

A sensor patch (10) for attachment to a base plate for an ostomy appliance, where the sensor patch comprises a distal side and a proximal side comprising at least one adhesive layer (15), a part of the distal side being adapted for attachment to the base plate and the proximal adhesive side being adapted to adhere to the skin surface of a user, where the sensor patch comprises two or more electrodes (12) and a monitor interface (13) for forming a connection to a monitor device, and where the sensor patch comprises a central portion and a neck portion, the electrodes extending from the central portion to the neck portion, the neck portion comprising a flexible element being adapted to allow the central portion and the neck portion to be flexibly movable relative to each other.
Owner:COLOPLAST AS

Leakage state determination

PCT designated stageWO2026003531A1ColostomyElectric signalData science
A computer-implemented method for determining a leakage state associated with an ostomy appliance, the method includes: determining sensor data indicative of an electrical signal of a sensor device associated with the ostomy appliance during a sampling time period; determining values of one or more characteristics of the electrical signal based on the sensor data; and determining the leakage state associated with the ostomy appliance based on analysis of the values of the one or more characteristics.
Owner:CONVATEC LTD

Accessory devices of an ostomy system, and related methods for changing an ostomy appliance based on future operating state

The present disclosure relates to a method, performed in an accessory device, for monitoring the current operating state and the future operating state of a base plate of an ostomy appliance. The accessory device comprises an interface configured to communicate with one or more devices of an ostomy system. The interface comprises a display. The ostomy system comprises a monitor device, and / or the ostomy appliance configured to be placed on a skin surface of a user. The ostomy appliance comprises a base plate. The method comprises obtaining monitor data from the monitor device; determining a current operating state of the ostomy appliance based on the monitor data; determining a future operating state of the ostomy appliance based on the monitor data and / or the current operating state; and displaying, on the display, a first user interface screen comprising a first primary user interface object representing the current operating state and / or a first secondary user interface object representing the future operating state.
Owner:COLOPLAST AS

Base plate and a sensor assembly part for an ostomy appliance

A base plate and / or a sensor assembly part for an ostomy appliance is disclosed, the base plate and / or the sensor assembly part comprising a first adhesive layer with a proximal side configured for attachment of the base plate and / or the sensor assembly part to the skin surface of a user, the first adhesive layer having a stomal opening with a center point; and a plurality of electrodes including a ground electrode, a first electrode, and a second electrode, the ground electrode comprising a ground connection part, the first electrode comprising a first connection part, and the second electrode comprising a second connection part; wherein the ground electrode forms a ground for the first electrode and the second electrode.
Owner:COLOPLAST AS