US 12,390,585 B2
Infusion set for effortless flow adjustment
Xinchun Dai, Suzhou (CN)
Assigned to JIANGSU EBAY MEDICAL TECHNOLOGY CO., LTD., Suzhou (CN)
Filed by JIANGSU EBAY MEDICAL TECHNOLOGY CO., LTD., Suzhou (CN)
Filed on Dec. 12, 2024, as Appl. No. 18/978,218.
Application 18/978,218 is a continuation of application No. PCT/CN2023/103604, filed on Jun. 29, 2023.
Claims priority of application No. 202211051762.5 (CN), filed on Aug. 31, 2022.
Prior Publication US 2025/0108161 A1, Apr. 3, 2025
Int. Cl. A61M 5/168 (2006.01); A61M 5/14 (2006.01); A61M 5/142 (2006.01); A61M 5/145 (2006.01); A61M 5/44 (2006.01)
CPC A61M 5/16804 (2013.01) [A61M 5/1413 (2013.01); A61M 5/142 (2013.01); A61M 5/16813 (2013.01); A61M 5/44 (2013.01); A61M 2005/14506 (2013.01); A61M 2205/3334 (2013.01); A61M 2205/366 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An infusion set for effortless flow adjustment, comprising an installation base (1), a driving mechanism, and a connecting mechanism, wherein the installation base (1) has a cavity, the driving mechanism and the connecting mechanism are installed on the installation base (1) respectively, and the driving mechanism is connected to the connecting mechanism;
the connecting mechanism comprises a movable base (2), two connecting beams (3), a connecting ring (4), a first spring (5), an installation shaft (6), a pressure plate (7), a second spring (8), and a driving shaft (9), the two connecting beams (3) are installed on the movable base (2), and the installation base (1) is provided with two through holes, the two connecting beams (3) are slidably connected to the through holes of the installation base (1), and the connecting ring (4) is installed on the two connecting beams (3), the first spring (5) is sleeved outside the two connecting beams (3), and two ends of the first spring (5) are respectively connected to the cavity wall of the installation base (1) and the connecting ring (4), the installation shaft (6) is rotatably installed on the movable base (2), and the pressure plate (7) is installed on the installation shaft (6), the installation shaft (6) is provided with a polygon groove, and a shaft hole is provided on the installation base (1); the driving shaft (9) is rotatably installed at the shaft hole of the installation base (1), the driving shaft (9) is provided with a polygon column at one side thereof adjacent to the pressure plate (7), and the driving shaft (9) is slidably connected to the installation base (6), two ends of the second spring (8) are respectively connected to the movable base (2) and the pressure plate (7), and the driving shaft (9) is connected to the driving mechanism;
the driving mechanism comprises a transmission worm gear (10), a support frame (11), a transmission worm (12), and linkage shafts (13), the transmission worm gear (10) is coaxially installed on the driving shaft (9), the support frame (11) is installed on the installation base (1), and a connection groove is provided on the support frame (11), the transmission worm (12) is rotatably connected to the support frame (11) by means of the connection groove, the transmission worm (12) is engaged with the transmission worm gear (10) in a transmission way, and the linkage shafts (13) are coaxially installed on the transmission worm (12).