CATHETER OR CANNULA ARRANGEMENT WITH UNIT FOR MONITORING LENGTH OF STAY OF THE SAME IN A BODY
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Abstract
A catheter or cannula arrangement includes a catheter or cannula and a security unit for monitoring a length of stay of the catheter or cannula in a body. The security unit includes a signaling unit, an activation unit, and a timer unit. The signaling unit emits a first signal. The activation detection unit detects a first event and produces a second signal indicative of the first event detection. The timer unit receives the second signal and starts a time duration measurement in reaction thereto, and produces and transmits to the signaling unit a third signal as soon as the measured time duration is reaches a preset time value. The signaling unit emits the first signal in reaction to receiving the third signal. The first event can be an at least partial extraction of a needle from the catheter or cannula.
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Citations
119 Claims
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1-88. -88. (canceled)
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89. A catheter or cannula arrangement, comprising:
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a catheter or cannula; a security unit for monitoring a length of stay of said catheter or cannula in a body; wherein said security unit comprises an activation detection unit for detecting a first event and for producing a signal indicative of detection of said first event. - View Dependent Claims (90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111)
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112. A security unit for a catheter or cannula arrangement comprising a catheter or cannula, wherein said security unit is structured and configured for monitoring a length of stay of said catheter or cannula in a body, the security unit comprising:
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a signalling unit for emitting a first signal; an activation detection unit for detecting a first event and for producing a second signal indicative of detection of said first event; a timer unit for receiving said second signal from said activation detection unit and for starting a time duration measurement in reaction to receiving said second signal. - View Dependent Claims (113, 114, 115, 116)
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117. An electronics unit arrangement for a catheter or cannula arrangement comprising a catheter or cannula and a sensing element, the electronics unit arrangement comprising:
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an electronics unit for processing signals produced by the sensing element and/or for storing data related to signals produced by the sensing element; an electrical connector for providing an electrical contact to said sensing element; a housing containing at least a portion of said electronics unit; one or more fixing structures for attaching said housing to the catheter or cannula. - View Dependent Claims (118, 119)
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Specification