Telescopic anti-needling injection needle

An anti-acupuncture and injection needle technology, which is applied in the field of injection needles, can solve the problems of increasing the burden on patients, waste of medical equipment, and prone to false triggering, so as to reduce the economic pressure of patients, reduce production costs, and prevent false triggering.

CN110917447APending Publication Date: 2020-03-27JIANGSU SUYUN MEDICAL MATERIALS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2020-03-27

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Abstract

The invention discloses a telescopic anti-needling injection needle and relates to the technical field of injection needles. The injection needle comprises a needle base, a needle handle and a needletube, wherein the needle tube is sleeved with a protective sleeve for protecting the needle tube, the needle handle is sleeved with a telescopic sliding sleeve assembly for covering the needle tube after elongation, the telescopic sliding sleeve assembly comprises an inner sliding sleeve which sleeves the needle handle and an outer sliding sleeve which sleeves the outermost layer, and multiple middle sliding sleeves are arranged between the inner sliding sleeve and the outer sliding sleeve; the inner sliding sleeve, the multiple middle sliding sleeves and the outer sliding sleeves are sequentially nested, and sliding clamping mechanisms are arranged between the needle handle and the inner sliding sleeve as well as between two adjacent sliding sleeves. The injection needle is safer to a nurse and a patient, can reduce pain and discomfort of the patient and can reduce production cost.
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Description

technical field

[0001] The invention relates to the technical field of injection needles, in particular to a retractable anti-needle-puncture injection needle. Background technique

[0002] At present, the technology of using disposable syringes to draw drugs and inject them intramuscularly is widely used in hospitals. However, most of the disposable syringes currently on the market cannot be truly disposable. If the syringes are reused, it is easy to cause the disease to spread among different people, causing cross-infection and endangering public health; in addition, traditional syringes After use, the needles are exposed outside, which can easily cause needle stick injuries to medical staff, cause psychological panic among medical staff, and even infect diseases in severe cases. Unsafe injections with disposable syringes not only bring infection and spread diseases, but also cause injuries to medical staff to varying degrees due to the occupational exposure of medical st...

Examples

Embodiment 1

[0035] refer to figure 1 , combined with figure 2 , image 3 , a retractable anti-acupuncture injection needle, including a needle base 1, a needle handle 2 and a needle tube 3, a protective cover for protecting the needle tube 3 is set on the needle tube 3, and a needle tube is set on the needle handle 2 after being stretched. 3 the telescopic sliding sleeve assembly 4 covered therein, the telescopic sliding sleeve assembly 4 includes the inner layer sliding sleeve 9 set on the needle handle 2 and the outer layer sliding sleeve 7 set on the outermost layer, the inner layer sliding sleeve 9 and the outer layer Several layers of intermediate layer sliding sleeves 8 are arranged between the sliding sleeves 7. In this embodiment, one layer of intermediate layer sliding sleeves 8 is provided; A sliding engagement mechanism is provided between the handle 2 and the inner sliding sleeve 9, and between two adjacent sliding sleeves. All sliding clamping mechanisms in the prior art ...