| CPC A61L 2/26 (2013.01) [A61B 5/6848 (2013.01); A61L 2/081 (2013.01); A61L 2/082 (2013.01); A61L 2/087 (2013.01); A61L 2202/11 (2013.01); A61L 2202/121 (2013.01); A61L 2202/122 (2013.01); A61L 2202/123 (2013.01); A61L 2202/24 (2013.01)] | 20 Claims |

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1. A detector, comprising a housing assembly, a detection assembly and a shielding assembly, wherein
the detection assembly comprises a first housing, a detection circuit board and a probe, the detection circuit board is disposed in the first housing and electrically connected with the probe, the detection circuit board comprises a sensitive element, and a first end of the probe is fixed in the first housing while a second end stretches out of the first housing;
the housing assembly comprises a collision housing and a pressing portion that are capable of sliding in relative to each other, the detection assembly is located below a bottom of the pressing portion, the collision housing is used for abutting against a sampling part, and the pressing portion is used for driving the detection assembly to move towards the sampling part, so as to pierce the probe into the sampling part for detection; and
when the detector is sterilized through an irradiation ray, the shielding assembly is used for blocking part of the irradiation ray, to form a total-shadow shielding zone for protecting the sensitive element, and at least part of the total-shadow shielding zone is configured as a sealing area for preventing an external object from entering;
wherein the first housing comprises a bearing shell and a cover body, the bearing shell is hermetically connected with the cover body and forms a sealed storage cavity, the detection circuit board is located in the storage cavity, and the sealing area comprises the storage cavity; and
wherein the first housing further comprises a sealing element, the bearing shell is hermetically connected with the cover body through the sealing element, and the sealing element comprises a sealant, a sealing rubber ring or a combination of a sealant and a sealing rubber ring.
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