Syringe
OwnerYong-Kuk Rainventor
Life of this patent
Estimating the term…
Abstract
The present invention relates to a syringe, and more particularly, to an apparatus obtained by improving an conventional syringe formed with an injection flow passage including an injection needle, so as to share a portion of the injection flow passage except the injection needle or to form a suction flow passage completely independent of the injection flow passage, thereby further smoothing suction of a liquid medicine. The syringe is configured such that the separate suction flow passage bypassing the injection needle is formed in an conventional syringe to more smoothly perform the suction of the liquid medicine, thereby maximizing user's convenience and marketability of the product.
Claims8
A syringe comprising an injection needle and a cylinder and formed with an injection flow passage extending from the cylinder to the injection needle, the syringe further comprising:
- a detachable opening/closing means for accommodating the injection needle and selectively opening or closing the injection flow passage;
- and
- a suction flow passage formed from a pointed hollow cap to the cylinder and provided with a through-hole formed in any one of the injection needle, a connector for connecting the injection needle to the cylinder, and the cylinder to establish communication between an inside and an outside thereof and a one-way valve means for intermittently controlling opening or closing of the through-hole,
- wherein a hermetic space is formed at a lower portion of the opening/closing means surrounding a hub of the injection needle to maintain airtightness, and an adhesive material for securing a needle body and the hub of the injection needle to each other is accommodated in the hermetic space of the opening/closing means such that the adhesive material is isolated from the liquid medicine, and
- wherein the opening/closing means is fixedly installed within the cap such that a portion of the suction flow passage is formed in a space between an outer perimeter of the opening/closing means and an inner perimeter of the cap, and the opening/closing means is separated together with the cap in response to separation of the cap.
Dependencies are inferred from the claim text.