BLOOD DETECTOR FOR DIALYSIS
PROBLEM TO BE SOLVED: To provide a blood detector for dialysis for reliably detecting bleeding by removing a needle and probability of the needle removal without causing erroneous operation by sweat.SOLUTION: A moisture sensor 11 includes an electrode sheet 15, a filter sheet 16, and a water permeab...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a blood detector for dialysis for reliably detecting bleeding by removing a needle and probability of the needle removal without causing erroneous operation by sweat.SOLUTION: A moisture sensor 11 includes an electrode sheet 15, a filter sheet 16, and a water permeable sheet 17. The electrode sheet 15 has a three-layered base sheet 18 and a reinforcement sheet 22. The reinforcement sheet 22 has many micropores and has air permeability to pass vapor and also has waterproofing property to block passage of water drops. A connector 14 includes a lever 34 and a clip 41. The lever 34 and the clip 41 clamp one end part 61 and the other end part 62 of the moisture sensor 11 respectively. The clip 41 is provided with a normally closed switch 55. When the clip 41 holds the moisture sensor 11, the switch 55 is turned off, and when the clip 41 is removed from the moisture sensor 11, the switch 55 is turned on. |
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