Vacuum self-destructing safety syringe

Abstract

The invention relates to the technical field of medical instruments, and particularly discloses a vacuum self-destructing safety syringe. The vacuum self-destructing safety syringe comprises a sheath,a needle seat, a vacuum device, a push rod device and an outer sleeve, wherein the needle seat is arranged at an upper end of the outer sleeve and is communicated with an inner cavity of the outer sleeve, the vacuum device comprises a vacuum push-pull rod and a vacuum plug, the vacuum push-pull rod abuts the vacuum plug, the vacuum plug is connected to an inner cavity at a bottom of the needle seat, and a bottom of the vacuum push-pull rod is provided with an inverted hook; the push rod device comprises a push rod and a base plug, the vacuum device is arranged in an inner cavity of the push rod, the inverted hook is movably arranged in the push rod in a penetrating manner, the push rod is provided with a strip-shaped hole, the push rod comprises a first push rod and a second push rod, andthe inverted hook is arranged in a sliding manner along the strip-shaped hole and penetrates out of the second push rod from the strip-shaped hole; an opening groove is formed between the second pushrod and an inner wall of the outer sleeve, the inverted hook is fitted in the opening groove, and a radial protruding groove is formed in a bottom of the outer sleeve. The vacuum self-destructing safety syringe has a function of automatically retracting a needle tip, and guarantees safety of patients and medical staff.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a vacuum self-destruct safety syringe. Background technique [0002] With the progress and development of society, people's requirements for medical treatment are getting higher and higher, and medical equipment is also constantly innovating and improving, especially the improvement of syringes has been greatly improved. Disposable syringes have been widely used in the medical field as conventional medical devices. The needle tip of conventional syringes or dispensing devices is usually exposed outside after pumping the drug solution, which is easy to accidentally puncture patients and medical staff, and even cross-infection of viruses; increase Disputes between doctors and patients also bring hidden dangers to the safety of medical staff. For this purpose, we propose the vacuum self-destruct safety syringe. Contents of the invention [0003] The purpose of the presen...

AI Technical Summary

Problems solved by technology

Disposable syringes have been widely used in the medical field as conventional medical devices. The needle tip of conventional syringes or dispensers is usually exposed outside after pumping the drug solution, which is easy to accidentally puncture patients and medical staff, and even cross-infection of viruses; increase Disputes between doctors and patients also bring hidden dangers to the safety of medical staff

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