Patent ID: 11904142
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 3:
4. A needleless injector comprising:
a cylinder housing;
a loading lever having a working arm part having a lever shaft, which is rotatably coupled to a rear end portion of the cylinder housing, formed at one end portion and a handle part extending from the other end portion of the working arm part by being bent at a predetermined angle so that the handle part is rotatable to a folded position where the handle part lies on the cylinder housing;
a towing member inserted inside the cylinder housing;
a link having one end portion spaced apart from the lever shaft and pin-coupled to the working arm part and the other end portion pin-coupled to the towing member so that the towing member is able to slide back and forth inside the cylinder housing according to a rotation of the loading lever;
a spring inserted inside the cylinder housing and whose rear end portion is coupled to the towing member;
an actuating head inserted inside the cylinder housing, coupled to a front end portion of the spring, and having a catching protrusion configured to protrude radially toward an inner circumferential surface of the cylinder housing; and
a trigger means coupled to an outer side of the cylinder housing and having a stopper head part configured to pass through the cylinder housing so as to be able to protrude and be detached from the inside of the cylinder housing,
wherein the cylinder housing has a cut section extending forward from the rear end portion to which the lever shaft is coupled,
movements of the working arm part and the link according to the rotation of the loading lever occur through the cut section, and
at the folded position of the handle part, the working arm part is at least partially accommodated in the cylinder housing through the cut section, and the link is completely accommodated in the cylinder housing through the cut section.