CPC A61M 25/0026 (2013.01) [A61M 25/0612 (2013.01); A61M 25/0693 (2013.01); A61M 1/3653 (2013.01); A61M 2025/0681 (2013.01)] | 15 Claims |
1. A catheter assembly comprising:
a catheter comprising a main lumen and one or more sub lumens provided separately from the main lumen; and
an inner needle extending through the main lumen; and
a deflection suppression mechanism configured to suppress deflection of the inner needle by supporting the inner needle via the catheter;
wherein the one or more sub lumens respectively communicate with one or more sub openings formed in the catheter;
wherein the catheter is configured to advance with respect to the inner needle;
wherein the deflection suppression mechanism comprises a sliding contact support portion that is in sliding contact with the catheter when the catheter advances with respect to the inner needle; and
wherein the sliding contact support portion is configured to contact the catheter at (i) a location proximal of a distal-most one of the one or more sub openings, and/or (ii) a location proximal of a step portion generated in the catheter as the one or more sub lumens are formed.
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