Injection device with needle sensor
First Claim
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1. Injection device for injecting liquid medicine to a patient, comprising a medicine container an end of which is connectable to a needle, and further comprising a magnetic sensor means for sensing connection of the needle to the medicine container, wherein the magnetic sensor means comprises:
- a lever actuable by connecting the needle to the medicine container and comprising a magnetic element, the lever comprising first and second ends, anda sensor element sensitive to a magnetic field generated by the magnetic element.
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Abstract
An injection device for injecting liquid medicine to a patient comprises a medicine container (2) an end of which is connectable to a needle (3) and magnetic sensor means (21, 22) for sensing connection of the needle (3) to the medicine container (2).
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Citations
9 Claims
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1. Injection device for injecting liquid medicine to a patient, comprising a medicine container an end of which is connectable to a needle, and further comprising a magnetic sensor means for sensing connection of the needle to the medicine container, wherein the magnetic sensor means comprises:
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a lever actuable by connecting the needle to the medicine container and comprising a magnetic element, the lever comprising first and second ends, and a sensor element sensitive to a magnetic field generated by the magnetic element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification