Medical Device Adapted To Detect Disengagement Of A Transcutaneous Device
AssigneeNovo Nordisk A/S
InventorsSteffen Hansen, Ole Christian Nielsen, Henrik Bengtsson, Jens Peter Jensen
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Abstract
The present invention provides a medical device comprising a transcutaneous device. The medical device further comprises a controller for detecting a first condition representative of the transcutaneous device being arranged in a subcutaneous first position, and for detecting a second condition representative of the transcutaneous device being arranged in a non-subcutaneous second position, wherein the controller is adapted for actuating an alarm when a condition representative of the transcutaneous device being arranged in a non-sub-cutaneous position is detected.
Claims41
A drug delivery device (300, 600, 700, 1000) comprising, or being adapted to be connected to, a transcutaneous access device (951, 630, 730) adapted to be arranged subcutaneously in a subject, the drug delivery device further comprising:
- a reservoir (350, 620, 720) adapted to contain a fluid drug,
- an expelling assembly (330, 640, 740) adapted for cooperation with the reservoir to expel fluid drug out of the reservoir and through the transcutaneous access device,
- a controller (361, 650, 750) for detecting a first condition representative of the transcutaneous access device being arranged in a subcutaneous first position, and for detecting a second condition representative of the transcutaneous access device being arranged in a non-subcutaneous second position, wherein
- the controller is adapted for performing an action corresponding to the detection of the second condition.
A method for operating a drug delivery device comprising a reservoir, an expelling assembly and a transcutaneous access device, comprising the steps of:
- arranging the transcutaneous access device subcutaneously in a subject,
- operating the expelling assembly to expel fluid drug out of the reservoir and through the transcutaneous access device,
- detecting a property associated with operation of the expelling assembly,
- determining a first value or range for the property with the transcutaneous access device arranged subcutaneously,
- determining on the basis of the first value or range a second range indicative of the transcutaneous access device being arranged non-subcutaneously,
- performing an action when a value or pattern for the property within the second range is detected during operation of the expelling assembly.
A method for operating a drug delivery device comprising a reservoir, an expelling assembly and a transcutaneous access device, comprising the steps of:
- operating the expelling assembly to expel fluid drug out of the reservoir through the transcutaneous access device,
- detecting a property associated with operation of the expelling assembly,
- determining whether the detected property is indicative of drug being expelled subcutaneously in a subject or non-subcutaneously.
A method for operating a drug delivery device comprising a reservoir, an expelling assembly and a transcutaneous access device, comprising the steps of:
- arranging the transcutaneous access device subcutaneously in a subject,
- operating the expelling assembly to expel fluid drug out of the reservoir and through the transcutaneous access device,
- detecting a property associated with operation of the expelling assembly,
- determining whether the detected property is indicative of drug being expelled subcutaneously in a subject or non-subcutaneously.
A method for operating a drug delivery device comprising a reservoir, an expelling assembly and a transcutaneous access device, comprising the steps of:
- operating the expelling assembly to expel fluid drug out of the reservoir through the transcutaneous access device,
- detecting a condition associated with the pressure in the transcutaneous access device during delivery of drug,
- actuating an alarm when the detected condition is associated with a pressure below a defined value.
A method for operating a drug delivery device comprising a transcutaneous access device, comprising the steps of:
- arranging the transcutaneous access device subcutaneously in a subject,
- detecting a condition influenced by the transcutaneous access device being arranged in a subcutaneous or non-subcutaneous position, and
- generating an alarm when a condition indicative of the transcutaneous access device being arranged in a non-subcutaneous position is detected.
A medical device (1000), comprising:
- a transcutaneous device (951, 801, 811, 821, 831, 841, 851, 861) adapted to be arranged subcutaneously in a subject,
- a controller (361, 802, 812, 822, 832, 842, 852, 862) for detecting a first condition representative of the transcutaneous device being arranged in a subcutaneous first position, and for detecting a second condition representative of the transcutaneous device being arranged in a non-subcutaneous second position, wherein
- the controller is adapted for performing an action corresponding to the detection of the second condition.
A medical device, comprising:
- a mounting surface (1020) adapted for application towards a skin surface of a subject,
- a flexible transcutaneous device (871) comprising a distal portion adapted to be arranged subcutaneously in the subject through a point of insertion,
- wherein the distal portion comprises a visual marking (873),
- whereby the distal portion is readily identifiable by the naked eye of a user should the transcutaneous device disengage from its intended subcutaneous position.
A medical device, comprising:
- a mounting surface adapted for application towards a skin surface of a subject,
- a first electrode (806) and a second electrode (805), and
- means (802) for detecting a capacitance between the first and second electrodes,
- wherein the first electrode is in the form of a transcutaneous device (801) comprising a distal portion adapted to be arranged subcutaneously in the subject, the transcutaneous device being conductive in a situation of use, and
- wherein the second electrode is in the form of a skin-mountable electrode.
Dependencies are inferred from the claim text.