CN203122431U - Blood collecting tube - Google Patents

Abstract

The utility model provides a blood collecting tube. The blood collecting tube comprises a test tube and a combined cover used for sealing the test tube. The combined cover comprises a tube cover and a rubber plug which is arranged inside a cavity of the tube cover. The tube cover comprises a tube cover wall and a sealing part, wherein a hole is formed in the top portion of the tube cover wall and the sealing part is used for sealing the hole of the tube cover wall. The blood collecting tube has the advantages that the combined cover is adopted to seal the test tube, the sealing part is arranged on the top portion of the tube cover wall of the combined cover in an upward extending mode, the sealing part is prone to being broken and being disengaged from the tube cover wall during use, the structure avoids the phenomenon that the rubber plug which is located inside the tube cover wall is directly exposed in air during use, and the phenomenon that a groove of the rubber plug is easy to pollute so that blood collecting accidents can be caused is eliminated.

Description

Blood taking tube

Technical field

This utility model relates to medical instruments field, especially, relates to a kind of need are collected blood sample under vacuum environment blood taking tube.

Background technology

Referring to Fig. 5, existing blood taking tube comprises test tube 3 ' and is used for pipe lid 1 ' and the plug 2 ' of sealing test tube 3 ', and pipe covers 1 ' the mouth of pipe and relative the covering of the mouth of pipe of test tube 3 ', and formation can be held the cavity of blood sample, plug 2 ' be filled in pipe cover 1 ' and test tube 3 ' in, and make both tight fits seal.Wherein, pipe cover 1 ' top and is provided with the hole 10 ' that is beneficial to puncture, and the top of plug 2 ' is provided with the groove 20 ' that is oppositely arranged with hole 10 ', and groove 20 ' contacts with the external world.In order to be beneficial to blood sampling, the state that in vitro generally is evacuated also is placed with reagent simultaneously and is beneficial to blood sample analysis.

Before use, the groove 20 ' of plug 2 ' is exposed in the air always, because the blood sampling environment is not the toilet, is vulnerable to pollute so be exposed to airborne groove 20 ', for blood sampling brings potential safety hazard.

The utility model content

This utility model purpose is to provide a kind of blood taking tube, exposes in the air with the plug groove that solves existing blood taking tube, and vulnerable to pollution is brought the technical problem of potential safety hazard for blood sampling.

For achieving the above object, provide a kind of blood taking tube according to this utility model, comprised test tube and be used for the composite cover of sealing test tube, composite cover comprises the pipe lid and is arranged at pipe and cover the interior plug of cavity; The pipe lid comprises pipe tegmental wall and sealing, and the top of pipe tegmental wall is provided with the hole, and sealing is used for the hole of sealed tube tegmental wall.

Further, sealing comprises foldable handle and broken part, and foldable handle extends the outside in the hole of pipe tegmental wall; The broken part is connected with the pipe tegmental wall, and the wall thickness of broken part is less than the wall thickness of pipe tegmental wall.

Further, the inwall periphery of pipe tegmental wall is provided with boss and is positioned at the upper chamber of managing tegmental wall cavity top with formation, forms step surface between the inwall of boss and pipe tegmental wall; Plug comprises the plug hat, and the plug hat closely is filled in upper chamber, and the lower surface of plug hat is closely against step surface.

Further, plug also comprises along the plug neck that the plug hat extends downwards and diameter diminishes, and leaves between the periphery of plug neck and the boss and is beneficial to the close-fitting gap of test tube.

Further, foldable handle is cone or cuboid structure.

The utlity model has following beneficial effect: blood taking tube of the present utility model adopts composite cover to seal test tube, the top of the pipe tegmental wall of this composite cover extends upward and is provided with sealing, sealing is easy to fracture and breaks away from the pipe tegmental wall during use, the plug that this structure has been avoided being arranged in pipe tegmental wall inside is directly exposed to air before use, has eliminated the plug groove and has been vulnerable to pollute the situation that causes the blood sampling accident to take place.

Except purpose described above, feature and advantage, this utility model also has other purpose, feature and advantage.With reference to figure, this utility model is described in further detail below.

Description of drawings

The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining this utility model, do not constitute improper restriction of the present utility model.In the accompanying drawings:

Fig. 1 is the assembling sketch map of the blood taking tube of this utility model preferred embodiment;

Fig. 2 is the structural representation of the pipe lid of this utility model preferred embodiment;

Fig. 3 is the structural representation of the pipe tegmental wall of other embodiment;

Fig. 4 is the structural representation of the composite cover of this utility model preferred embodiment; And

Fig. 5 is the assembling sketch map of the blood taking tube of prior art.

The specific embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that this utility model can be defined by the claims and cover is implemented.

Referring to Fig. 1, this utility model provides a kind of blood taking tube, the composite cover 123 that it comprises test tube 4 and is used for sealing test tube 4.Wherein, composite cover 123 comprises that pipe cover 12 and be arranged at pipe and cover plug 3 in 12 cavitys, and pipe cover 12 and comprises and manage tegmental wall 1 and sealing 2, and the top of managing tegmental wall 1 is provided with the hole, and sealing 2 is for the hole of sealed tube tegmental wall 1.

Referring to Fig. 2, the inwall periphery of pipe tegmental wall 1 is provided with boss 10 and is positioned at the upper chamber 11 of managing tegmental wall 1 cavity top with formation, has formed step surface 100 between the inwall of boss 10 and pipe tegmental wall 1.

Sealing 2 extends upward along the hole at the top of pipe tegmental wall 1, sealing 2 comprises foldable handle 21 and broken part 22, foldable handle 21 extends the outside in the hole of pipe tegmental wall 1, broken part 22 is connected with pipe tegmental wall 1, the wall thickness of broken part 22 is less than the wall thickness of pipe tegmental wall 1, and 22 places are easily fractureed and break away from pipe tegmental wall 1 along the broken part thereby make sealing 2.In the present embodiment, foldable handle 21 is that preferably, foldable handle 21 is the cone shape of hollow along the cone that contracts in 22 external diameters of broken part, saves material.

Referring to Fig. 3, in other embodiments, foldable handle 21 can be the cuboid structure, or other structures that are easy to hold.

In conjunction with Fig. 4, plug 3 comprises tight plug hat 31 of filling upper chamber 11, the plug neck 32 that plug hat 31 extension downwards and diameter diminish.The top of plug hat 31 is provided with the groove that is oppositely arranged with the hole of managing tegmental wall 1, is beneficial to the blood taking needle puncture.The lower surface of plug hat 31 is closely against the step surface 100 of boss 10, has guaranteed the effect of upper chamber's 11 sealings.Leave between the periphery of plug neck 32 and the boss 10 and be beneficial to test tube 4 close-fitting gaps.When practical set, test tube 4 tightly fits in the periphery of plug neck 32 and the gap between the boss 10, is easy to install and has guaranteed the sealing effectiveness of test tube 4 with composite cover 123.For the ease of blood sampling, state generally is evacuated in the test tube 4.

In actual use, hold foldable handle 21 along the certain angle bending, make sealing 2 22 fracture and break away from pipe tegmental wall 1 along the broken part, thereby expose the groove of plug 3, blood taking needle is taken a blood sample after piercing through plug 3 by the hole of pipe tegmental wall 1.

Blood taking tube of the present utility model adopts composite cover 123 to seal test tube 4, the top of the pipe tegmental wall 1 of this composite cover 123 extends upward and is provided with sealing 2, sealing 2 is easy to fracture and breaks away from and manages tegmental wall 1 during use, the plug 3 that this structure has been avoided being arranged in pipe tegmental wall 1 inside is directly exposed to air before use, and the groove of having eliminated plug 3 is vulnerable to pollute the situation that causes the blood sampling accident to take place.

The above is preferred embodiment of the present utility model only, is not limited to this utility model, and for a person skilled in the art, this utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (5)

1. blood taking tube comprises test tube (4) and is used for the composite cover (123) of the described test tube of sealing (4), it is characterized in that,

Described composite cover (123) comprises pipe lid (12) and is arranged at the interior plug (3) of described pipe lid (12) cavity;

Described pipe lid (12) comprises pipe tegmental wall (1) and sealing (2), and the top of described pipe tegmental wall (1) is provided with the hole, and described sealing (2) is used for the hole of the described pipe tegmental wall of sealing (1).

2. blood taking tube according to claim 1 is characterized in that, described sealing (2) comprises foldable handle (21) and broken part (22),

Described foldable handle (21) extends the outside in the hole of described pipe tegmental wall (1);

Described broken part (22) is connected with described pipe tegmental wall (1), and the wall thickness of described broken part (22) is less than the wall thickness of described pipe tegmental wall (1).

3. blood taking tube according to claim 2 is characterized in that,

The inwall periphery of described pipe tegmental wall (1) is provided with boss (10) and is positioned at the upper chamber (11) of described pipe tegmental wall (1) cavity top with formation, forms step surface (100) between the inwall of described boss (10) and described pipe tegmental wall (1);

Described plug (3) comprises plug hat (31), and described plug hat (31) closely is filled in described upper chamber (11), and the lower surface of described plug hat (31) is closely against described step surface (100).

4. blood taking tube according to claim 3, it is characterized in that, described plug (3) also comprises along the plug neck (32) that described plug hat (31) extends downwards and diameter diminishes, leaves between the periphery of described plug neck (32) and the described boss (10) and be beneficial to the close-fitting gap of described test tube (4).

5. blood taking tube according to claim 2 is characterized in that, described foldable handle (21) is cone or cuboid structure.

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