Patent ID: 11872338
Assignee: NIKKISO COMPANY LIMITED
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 2:
3. The air trap chamber according to claim 1, wherein
the air trap chamber has a cap provided on an upstream side and a housing provided on a downstream side,
the cap includes:
a substantially cylindrical cap body,
the inlet pipe in which the ejection port is provided at the inner circumference surface of the cap body and faced in the circumferential direction, and
a first connection flange that is connected to the downstream end of the cap body and has a larger diameter than the cap body,

the housing includes:
a second connection flange to be inserted into the first connection flange, and
a housing body coupled to the downstream side of the second connection flange,

an inner diameter of the second connection flange of the housing is larger than the second distance of the inner circumference surface of the cap body, and
a round surface or a chamfered portion is formed in at least a portion of the second distance of the downstream end of the cap body.