CN205549129U - Plastics bottle stopper puncture device and piercing depth - Google Patents

Abstract

The utility model relates to a plastics bottle stopper puncture device and piercing depth, wherein plastics bottle stopper puncture device includes the needle body, the external diameter of needle body is less than 5mm. The utility model discloses in because plastics bottle stopper puncture device's needle body external diameter is less, reduced puncture resistance, the puncture is got up more laborsavingly, changes in medical clinical practice for the guide liquid medicine and has brought very big facility, has improved clinical operating efficiency simultaneously. Production cost has been practiced thrift for the manufacturer to consumption that simultaneously can the reduce production raw materials in big batch manufacture, is favorable to the cost control, improves the economic benefits of enterprise simultaneously.

Description

A kind of Plastic bottle plug perforator and sting device

Technical field

This utility model belongs to medical instruments field, is specifically related to a kind of Plastic bottle plug perforator, relates to one simultaneously and has this and mould The sting device of material bottle plug puncture unit.

Background technology

At present, such as infusion bottle, transfusion bag, medicine bottle or medicine storage container etc. need to realize defeated by puncturing its bottle stopper or bottle cap Liquid or transfer medicinal liquid.As a example by infusion bottle, the bottle stopper passing infusion bottle with bottle plug puncture unit is needed to carry out drain in use.Existing Bottle plug puncture unit be mainly made up of plastics or rustless steel, wherein, stainless bottle plug puncture unit has that diameter is little, puncture force is strong Advantage, but there is also high cost simultaneously, be not easy to defects such as destroying and easily prick the hand.

The Plastic bottle plug perforator commonly used in the market has low cost and is prone to the advantages such as destruction, but its needle body external diameter leads to The biggest, the standard size specified such as GB-8368 standard in Fig. 1, (shown in Fig. 1, needle body refers to be punctured to its needle body The part of medicinal liquid storage device bottle stopper) external diameter is Φ=5.2-0.2 to Φ=5.2+0.1.Due to plastics bottle plug puncture unit external diameter relatively Greatly, penetration Resistance is the biggest, causes puncture to be got up relatively elaborate, just need to can penetrate liquid medicine storage device with bigger puncture force Bottle stopper, it is more inconvenient to use, and clinical tasks is inefficient.

Utility model content

The purpose of this utility model is, overcomes traditional Plastic bottle plug perforator technology prejudice on its needle body outside dimension, The Plastic bottle plug perforator that a kind of puncture is more laborsaving, clinical tasks is in hgher efficiency is proposed.

A kind of Plastic bottle plug perforator that the utility model proposes, including needle body, the external diameter of described needle body is less than 5mm.

In a wherein preferred version of the present utility model, the cross section of described needle body is generally circular or oval.

In a wherein preferred version of the present utility model, also include that handle, described handle are fixed on the bottom of described needle body.

In a wherein preferred version of the present utility model, described handle is one-body molded with described needle body.

In a wherein preferred version of the present utility model, described needle body and handle inner have single liquid-conveying ducts or inducing QI is led to Road；Described liquid-conveying ducts or air guide channel one end are positioned at the side, top of needle body, and the other end is positioned at the bottom of described handle.

In a wherein preferred version of the present utility model, described needle body and handle inner have liquid-conveying ducts spaced apart from each other and lead Gas passage；The inlet opening of described liquid-conveying ducts is positioned at the side, top of described needle body, and liquid outlet is positioned at the bottom of described handle；Institute The first port stating air guide channel is positioned at the side, top of described needle body, and the second port is positioned at the side of described handle.

In a wherein preferred version of the present utility model, the second port of described air guide channel has the ventilative film that blocks water.

In a wherein preferred version of the present utility model, described inlet opening and/or the first port have multiple.

Additionally, this utility model proposes a kind of sting device the most accordingly, its connection has the Plastic bottle plug in any of the above-described scheme to wear Thorn device.

The Plastic bottle plug perforator that the utility model proposes at least possesses following beneficial effect:

1, less due to the needle body external diameter of Plastic bottle plug perforator, reduce penetration Resistance, puncture more laborsaving, led Priming liquid turn in medicinal application bring great convenience, improve clinical tasks efficiency simultaneously.

2, less due to the needle body external diameter of Plastic bottle plug perforator, the consumption of raw materials for production can be reduced in high-volume manufactures, Save producing cost to manufacturer, beneficially cost control, improve the economic benefit of enterprise simultaneously.

Accompanying drawing explanation

Fig. 1 is the needle body external diameter standard size schematic diagram of the Plastic bottle plug perforator that in prior art, GB-8368 specifies.

Fig. 2 is the needle body outside dimension design diagram of the Plastic bottle plug perforator that embodiment one proposes.

Fig. 3 is the structural representation of the Plastic bottle plug perforator in embodiment two with flat handle.

Fig. 4 is the structural representation of the Plastic bottle plug perforator in embodiment two with cylindrical handle.

In Fig. 2 to Fig. 4: 10-needle body, 11-inlet opening, 12-the first port, 20-handle, 21-liquid outlet, 22- Second port.

Detailed description of the invention

This utility model is retouched further below in conjunction with accompanying drawing and embodiment for the ease of it will be appreciated by those skilled in the art that State.

Embodiment one

As in figure 2 it is shown, a kind of Plastic bottle plug perforator that embodiment one proposes, including needle body 10, the external diameter of needle body 10 is less than 5mm.Additionally, the cross section of needle body 10 is preferably substantially round in shape or ellipse.

The needle body 10 of the present embodiment can be applicable to, in the medicinal liquid translator such as tube for transfusion and syringe, such as can be used as tube for transfusion Needle for inserting bottle, it is possible to as the syringe needle of syringe, can reduce penetration Resistance, and improve clinical tasks efficiency when carrying out bottle stopper puncture.

Additionally, the needle body 10 of the present embodiment can be single channel form can also be dual pathways form.In single channel form, Needle body 10 is internal only have one be available for liquid-conveying ducts that medicinal liquid passes through or only one be available for air guide channel that air passes through (now Plastic bottle plug perforator is only used for air inlet or aerofluxus rather than drain)；And in dual pathways form, needle body 10 is internal to be had Article one, liquid-conveying ducts and an air guide channel, two passes is spaced from each other, and liquid-conveying ducts is available for medicinal liquid and passes through in use, and leads Gas passage is available for air by the inner and outer air pressure with balance liquid medicine storage device (infusion bottle, transfusion bag or molten medicine bottle etc.).

Embodiment two

As shown in Figure 3 or Figure 4, a kind of Plastic bottle plug perforator that embodiment two proposes includes needle body 10 and handle 20, handle 20 bottoms being fixed on needle body 10, the most preferably handle 20 is one-body molded with needle body 10.

The entirety that the needle body 10 of the present embodiment and handle 20 are constituted can be single channel form can also be dual pathways form.? In single channel form, needle body 10 and handle 20 inside only have one and are available for the liquid-conveying ducts that medicinal liquid passes through；And in dual pathways form In, needle body 10 and handle 20 inside have a liquid-conveying ducts and an air guide channel, and two passes is spaced from each other, and are using Time liquid-conveying ducts be available for medicinal liquid and pass through, and air guide channel be available for air by with balance liquid medicine storage device (infusion bottle, transfusion bag or Molten medicine bottle etc.) inner and outer air pressure.

The most as shown in Figure 3 or Figure 4, needle body 10 and handle 20 inside have liquid-conveying ducts spaced apart from each other and air guide channel (figure Not shown two passes itself)；The inlet opening 11 of liquid-conveying ducts is positioned at the side, top of needle body 10, and liquid outlet 21 is positioned at hands The bottom of handle 20；First port 12 of air guide channel is positioned at the side, top of needle body 10, and the second port 22 is positioned at The side of handle 20.

When the present embodiment is applied to the medical apparatus and instruments of tube for transfusion etc, can be connected with tube for transfusion by handle 20, needle body 10 is used for Puncture infusion bottle or the bottle stopper of transfusion bag, enter air guide channel, so at piercing process outside air from the second port 22 After enter infusion bottle or transfusion bag from the first port 12, to balance inner and outer air pressure.When the present embodiment is applied to syringe Etc medical apparatus and instruments time, handle 20 can be connected with syringe, needle body 10, for puncturing the bottle stopper of molten medicine bottle, is puncturing through In journey, the air of molten vial enters air guide channel from the first port 12, then enters molten medicine from the second port 22 Bottle is internal, to balance inner and outer air pressure.

In the present embodiment, the quantity of inlet opening 11 can be one, two or more, the quantity of the first port 12 is same Can be one, two or more.Second port 22 of the most preferred air guide channel has the ventilative film that blocks water and (is applied to The ventilative film that blocks water can not be had) during syringe.

Embodiment three

Embodiment three proposes a kind of sting device, and its connection has the Plastic bottle plug of either a program in embodiment one or embodiment two to wear Thorn device.This sting device specifically can refer to that a kind of connection has the tube for transfusion of Plastic bottle plug perforator in embodiment one or embodiment two, also Can refer to that a kind of connection has syringe of Plastic bottle plug perforator etc. in embodiment one or embodiment two.

Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed, but also Therefore the restriction to this utility model the scope of the claims can not be interpreted as.It should be pointed out that, for the ordinary skill of this area For personnel, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.

Claims (9)

1. a Plastic bottle plug perforator, including needle body, it is characterised in that the external diameter of described needle body is less than 5mm.

Plastic bottle plug perforator the most according to claim 1, it is characterised in that the cross section of described needle body is generally circular or oval.

Plastic bottle plug perforator the most according to claim 2, it is characterised in that also include that handle, described handle are fixed on the bottom of described needle body.

Plastic bottle plug perforator the most according to claim 3, it is characterised in that described handle is one-body molded with described needle body.

5. according to the Plastic bottle plug perforator described in claim 3 or 4, it is characterised in that described needle body and handle inner have single liquid-conveying ducts or air guide channel；Described liquid-conveying ducts or air guide channel one end are positioned at the side, top of needle body, and the other end is positioned at the bottom of described handle.

6. according to the Plastic bottle plug perforator described in claim 3 or 4, it is characterised in that described needle body and handle inner have liquid-conveying ducts spaced apart from each other and air guide channel；The inlet opening of described liquid-conveying ducts is positioned at the side, top of described needle body, and liquid outlet is positioned at the bottom of described handle；First port of described air guide channel is positioned at the side, top of described needle body, and the second port is positioned at the side of described handle.

Plastic bottle plug perforator the most according to claim 5, it is characterised in that the second port of described air guide channel has the ventilative film that blocks water.

Plastic bottle plug perforator the most according to claim 6, it is characterised in that described inlet opening and/or the first port have multiple.

9. a sting device, it is characterised in that connect the Plastic bottle plug perforator having the right described in any one of requirement 1 to 8.