241 results about "Ostomy appliances" patented technology

An ostomy appliance for attachment to the skin surface of a user is disclosed. The ostomy appliance 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: a plurality of electrical conductors positioned in a liquid detection zone; and a layer of nonwoven substrate arranged on the distal side of the adhesive layer, the layer of nonwoven substrate being liquid permeable and adapted to guide said liquid towards said liquid detection zone.

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.

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.

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.

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).

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.

Disclosed is a base plate (4) for an ostomy appliance (2), a monitor device (6) for connecting to the base plate, and an ostomy pouch (500) for the ostomy appliance. The base plate comprising: a top layer (208); a first adhesive layer (200); an electrode assembly (204) comprising a plurality of electrodes; and a monitor interface (207) configured for connecting the base plate to a monitor device. The base plate comprises a flexible element (440) being bendable and / or twistable between a first flexible element end and a second flexible element end, and wherein the monitor interface comprises a coupling part positioned at the first flexible element end.

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.

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.

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.

The present disclosure provides a method, performed in an accessory device, for communicating the operating state of the ostomy appliance, which in turn enables a monitoring of the ostomy appliance at the accessory device. The accessory device comprises an interface configured to communicate with one or more devices of an ostomy system. The one or more devices comprise a monitor device, and / or an ostomy appliance configured to be placed on a skin surface of a user or on any additional seals. The method comprises obtaining monitor data from the one or more devices. The monitor data is indicative of a condition of the ostomy appliance. The method may comprise determining an operating state of the ostomy appliance based on the monitor data obtained. The operating state may be indicative of adhesive performance of the ostomy appliance. The method comprises communicating the operating state of the ostomy appliance via the interface.

A connector 10 for connecting to an ostomy appliance 1 and an ostomy collection system including: a conduit 12 having an entrance and an exit connected by an internal passage 16 through which waste is permitted to flow, and wherein a structural member 14 extends along the passage 16.

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.

A closure system for a drainable ostomy appliance, which appliance includes a body side wall and a non-body side wall sealed to one another to define a collection cavity and a neck portion terminating in a discharge outlet. The closure system includes a first portion on the body side wall having first and second closure members defining a gap therebetween and a second portion on the non-body side wall having third and fourth closure members. In an open state, the neck portion is unfolded. In a closed state, the first closure member is folded onto the third closure member at a loose fold and the first, second and third closure members are folded onto the fourth closure member with the first closure member proximal the fourth closure member at a tight fold to form a seal between the third closure member and the fourth closure member.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The present disclosure relates to an accessory device. The accessory device is configured to communicate with an ostomy system comprising a monitor device and an ostomy appliance with a base plate. The accessory device comprises a processor; a memory; and an interface operatively connected to the processor and the memory. The interface is configured to obtain monitor data from the monitor device over a time period. The processor is configured to determine a current operating state indicative of current adhesive performance and a future operating state indicative of future adhesive performance of the ostomy appliance based on the monitor data. The processor is configured to determine the future operating state of the ostomy appliance using a statistical analysis of previous operating states and / or historical monitor data. The interface is configured to communicate the current operating state and the future operating state.

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.