US 12,440,651 B2
Catheter assembly
Masahiro Ishida, Kanagawa (JP)
Assigned to TERUMO KABUSHIKI KAISHA, Tokyo (JP)
Filed by TERUMO KABUSHIKI KAISHA, Tokyo (JP)
Filed on Mar. 19, 2021, as Appl. No. 17/206,601.
Application 17/206,601 is a continuation of application No. PCT/JP2019/036517, filed on Sep. 18, 2019.
Claims priority of application No. 2018-179355 (JP), filed on Sep. 25, 2018.
Prior Publication US 2021/0205588 A1, Jul. 8, 2021
Int. Cl. A61M 25/06 (2006.01); A61M 5/158 (2006.01); A61M 25/00 (2006.01); A61M 25/01 (2006.01); A61M 25/02 (2006.01); A61M 39/08 (2006.01); A61M 39/22 (2006.01)
CPC A61M 25/0606 (2013.01) [A61M 25/0097 (2013.01); A61M 25/02 (2013.01); A61M 25/0612 (2013.01); A61M 39/22 (2013.01); A61M 2005/1585 (2013.01); A61M 2005/1587 (2013.01); A61M 25/0026 (2013.01); A61M 2025/0175 (2013.01); A61M 2025/024 (2013.01); A61M 2039/082 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A catheter assembly comprising:
an inner needle;
a needle hub fixed to a proximal end of the inner needle, the needle hub comprising a housing;
a catheter including:
a first lumen through which the inner needle is inserted, and
a second lumen extending in parallel with the first lumen, the second lumen separated from the first lumen in a direction perpendicular to an axial direction of the first lumen;
a catheter hub through which the inner needle is inserted and that is located in the housing and fixed to a proximal end of the catheter, the catheter hub being in communication with the first lumen;
a catheter operation member configured to operate movement of the catheter and the catheter hub with respect to the inner needle;
a support portion that supports the catheter when the catheter is moved; and
a connector that is connected to the catheter hub and is connectable with another medical device, the connector being in communication with the second lumen; wherein:
an upper side of the connector is covered by the catheter operation member, and a lower side of the connector is covered by the housing, and
a longitudinal central axis of the connector is co-axial with a longitudinal central axis of the catheter hub.