Heart failure therapeutic main unit and heart failure therapeutic instrument
AssigneesPulnovo Medical (Wuxi) Co., Ltd., Pulnovo Medical (Suzhou) Co., Ltd., Pulnovo Medical Inc, Pulnovo Medical PTE. LTD.
InventorsXin ZHOU, Mengxuan CHEN, Jian TANG, Xinghai ZHAO, Rongjun ZHU
Life of this patent
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Abstract
The present disclosure provides a heart failure treatment host and a heart failure treatment instrument. The heart failure treatment host is connected to a syringe, the syringe comprising a needle cylinder and a piston rod with at least one drag hook located in the needle cylinder. The heart failure treatment host comprises an end cover used for limiting the syringe to an unlocking and a locking position; a rotating head used for axially limiting the needle cylinder; a push-pull rod for driving the piston rod to advance and retreat along an axis; and at least one avoiding notch on the push-pull rod.
Claims10
A heart failure treatment unit or host, for assembly and connection with a syringe,
- the syringe comprising:
- a syringe barrel;
- and
- a piston rod located within the syringe barrel, wherein the piston rod has at least one hook at its end;
- and
- the heart failure treatment host comprising:
- an end cap configured to limit the syringe to an unlocked position and a locked position, wherein the locked position is reached by the syringe rotating from the unlocked position about its axis;
- a rotating head, configured to axially limit the syringe and capable of being driven to rotate by the syringe;
- and
- a push-pull rod configured to drive the piston rod forward and backward along the axis, wherein the front end peripheral side of the push-pull rod has a groove, and the push-pull rod has at least one clearance notch extending from its front end face to communicate with the groove,
- wherein when the syringe is in the unlocked position, the at least one hook is located in the groove and corresponds to the at least one clearance notch, and when the syringe is in the locked position, the at least one hook is located in the groove and avoids being opposite to the at least one clearance notch.
Dependencies are inferred from the claim text.