Patent ID: 11883595
Assignee: ASPISAFE SOLUTIONS INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 1:
2. The catheter of claim 1, wherein:
each distal passageway opening of the plurality of distal passageway openings passing through the body structure near the distal body end for fluidly coupling the ambient environment of the body structure with the passageway;
the plurality of distal passageway openings comprises:
a first distal passageway opening;
a second distal passageway opening positioned between the distal body end and the first distal passageway opening; and
a third distal passageway opening positioned between the distal body end and the second distal passageway opening; and

at least one of the following is true:
a distance between the second distal passageway opening and the third distal passageway opening is less than a distance between the first distal passageway opening and the second distal passageway opening; and/or
a size of the third distal passageway opening is greater than a size of the second distal passageway opening.