Coloplast A/s

Festina Lotus Sa

Daniel Nilsson

Lars Lading

Carsten Thirstrup

Henrik Pranov

Jian Liu

An ostomy appliance includes a first adhesive having a first surface and a second surface opposing the first surface. The first surface is provided to contact a partly electrically conductive object. The appliance also includes a first layer situated on the second surface of the first adhesive, and a first electrode situated on the first layer and electrically isolated from the first adhesive.

Ostomy appliance having an electrode

The present invention relates to a near field communication, NFC, arrangement () which comprises an antenna () and a controller (), wherein the controller () is connected to the antenna () for receiving and/or transmitting data and controlling the operation of the NFC arrangement (). The NFC arrangement () further comprises a booster () operatively connected to the antenna (), and an activation circuit () connected to the NFC arrangement (), wherein the activation circuit () is configured to detect an electromagnetic field and in response thereto power up and activate the NFC arrangement (). In one embodiment, the activation circuit () is configured to generate said enabling signal by converting said electromagnetic field into said enabling signal.

NFC arrangement

A method of detecting detachment of an ostomy device from a patient includes providing, in the ostomy device, a first electrode separated from the patient by an adhesive that attaches the ostomy device to the patient, where a first capacitor is formed between the first electrode and the patient. The method includes applying a signal to an electrical circuit that includes the first capacitor, and detecting changes in a capacitance value of the first capacitor based on frequency responses of the electrical circuit to the signal. The method additionally includes activating an alarm based upon detecting the changes in the capacitance value of the first capacitor.

Method of detecting detachment of an ostomy device from a patient

A dressing is provided for application to an object that is, at least partly, electrically conductive. The dressing includes an adhesive for attaching the dressing to the object, and at least two electrodes. The electrodes are adapted to be arranged at a distance from the partly electrically conductive object so that a first capacitor is formed between a first electrode and the partly electrically conductive object, and a second capacitor is formed between a second electrode and the partly electrically conductive object.

Leak sensor

The present invention relates to a method and dressing for detecting detachment of the dressing, which is applied to a surface of an at least partly electrically conductive object. The dressing comprises an adhesive for attaching the dressing to the electrically conductive object and at least two electrodes arranged in a distance from the electrically conductive object. A voltage is applied to the first and second electrode establishing an electrical circuit comprising a first capacitor between the first electrode and the electrically conductive object and a second capacitor between the second electrode and the electrically conductive object. Changes of the capacitance between at least one of the first and the second electrode and the electrically conductive object are detected, and an alarm is activated when the changes of the capacitance reach a predetermined value. This advantageously provides a method whereby a leak can be detected quickly. Furthermore, this advantageously provides a leak sensor with no direct physical or mechanical contact between the electrically conductive object, e.g. the skin, and the electrodes. This provides for a dressing comprising a leak sensor without compromising the comfort of the user.

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Malmö, Sweden

Daniel Nilsson