CN2105965U - Safety medical injection needle set - Google Patents

Abstract

The utility model relates to a safety medical injection needle set, belonging to the field of injection instruments in the medical appliance. When only used for filtering the physic liquor, the utility model can composed of a pin body 1 and a filter screen 2 positioned at the outlet of the upper part of the pin body. If the functions that the physic liquor is filtered and that the backflow of the liquid is prevented are realized, a pellet 3 needs to be additionally arranged under the pin body 1 and the filter screen 2. The safety medical injection needle set is sheathed on the outlet seat of a syringe, and the pinhead is sheathed at the outlet of the needle set. The utility model can efficiently prevent the occurrence of the phenomena that the embolus or the thrombus are caused because the particles in the physic liquor entering the human body with the blood, and can prevent the backflow of the liquid. Therefore, the air entraining operation and the pressurization operation can be conveniently carried out by the medical staff. The utility model which is an object with multifunction has the advantage of high safety.

Description

Safety medical injection needle set

A kind of safe medical pintle belongs to injecting apparatus field in the medical apparatus and instruments.

At present, syringe mainly contains two kinds: a kind of is the intramuscular injection device, and a kind of is intravenous injector, and people have developed needleless injector, but not large-scale popularization application always.As everybody knows, venous transfusion has become the main path of medicine for treatment at present, in order to solve the problem of cross infection, generally promotes the use of disposable syringe.But the microgranule in the medicinal liquid does not also cause people's attention always to the harm of human body.According to the interrelated data introduction, the few person of microgranule reaches 238/ml in the venous transfusion residual liquid of 1～2 kind of medicine of compatibility, many persons reach 71758/ml, the few person of microgranule reaches 510/ml in the venous transfusion residual liquid of 3～5 kinds of medicines of compatibility, many persons reach 155258/ml, and stipulate according to pharmacopeia: contain the above microgranule of 10 μ m in every milliliters of liquid and must not surpass 50, contain the above microgranule of 25 μ m and must not surpass 5, as seen allow incomparable with actual value.And these microgranules be along with blood can directly produce thromboembolism or thrombosis phenomenon after entering human body, make local organization ischemia, anoxia, edema, finally form the diffusivity pulmonary fibrosis, and people's life is caused serious threat.In addition, clinically, often need medicines such as quick intravenous drip mannitol, sorbitol, hyperosmotic glucose, need to inject air pressurized in liquid bottles, and need carry out repeatedly, so very easily cause the bottle stopper breakage, liquid gushes outward, causes worry to medical personnel.

The purpose of this utility model is exactly in order to address the above problem, and designs a kind of safe medical pintle, and the medicinal liquid that injects human body is filtered; And have the liquid of preventing and flow backwards the safe medical pintle that makes things convenient for medical personnel to operate.

The purpose of this utility model realizes in the following way: be made up of key 1 and the drainage screen 2 that is positioned at exit, key 1 top.

The purpose of this utility model also can realize in the following way: promptly in the key 1, be provided with bead 3 below the drainage screen 2.

Fig. 1, the 2nd, two kinds of structural representations of this utility model safe medical pintle;

Fig. 3～7th, this utility model safe medical pintle user mode reference diagram;

Among Fig. 1,2,1 pintle, 2 drainage screens, 3 beads.

Below in conjunction with accompanying drawing safe medical pintle of the present utility model is described further:

By the medical pintle of manufacturing shown in Fig. 1,2, during use, shown in Fig. 3～7, earlier this pintle being installed in needle tubing installs on the seat of syringe needle, and then needle holder is installed in safe medical pintle exit, when being intramuscular injection for the patient injection medicinal liquid, can adopt the pintle of structure shown in Figure 1 with syringe.When the medicinal liquid of mixing being injected infusion bottle with syringe, can adopt the pintle of structure shown in Figure 5, at this moment the safe medical pintle can be separated as shown in Figure 5 with syringe with the syringe needle that is linked to each other.Owing to adopted this safe medical pintle, when medical personnel when carrying out the aerating supercharging bead by jack-up, the sagging naturally obstruction pintle of added-time bead bottom aperture not, prevent the liquid outflow, also avoided repeatedly bottle stopper being interted easily making the bottle stopper breakage, promptly do not produce pollution, it is very convenient that medical personnel are operated.

Compared with prior art, the advantage of the utility model safety medical injection needle set is:

1, by soup is filtered, prevents that particulate in the soup from entering human body and the embolism or the thrombus phenomenon that cause.

2, one-object-many-purposes, safe and reliable, can filter soup, can prevent that again liquid from flowing backwards the safety medical injection needle set that makes things convenient for medical personnel to operate.

Claims (2)

1, a kind of safe medical pintle is characterized in that, is made up of key 1 and the drainage screen 2 that is positioned at exit, key 1 top.

2, safe medical pintle according to claim 1 is characterized in that in the key 1, also can be provided with bead 3 below the drainage screen 2.

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