CN215424660U - Disposable human venous blood collection container - Google Patents

Abstract

The utility model relates to a disposable human venous blood collection container, which comprises a test tube A and a test tube B, wherein the test tube A is arranged on the test tube B through threads; the utility model provides a disposable human venous blood collection container, when the volume of a single blood collection tube is not enough to be loaded due to large blood collection dose, two tube bodies can be spliced for use, a material blocking assembly is arranged between a test tube A and a test tube B, and the communication between the test tube A and the test tube B can be realized by rotating a bidirectional threaded rod.

Description

Disposable human venous blood collection container

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a disposable human venous blood sample collection container.

Background

The disposable human venous blood collection container is also called a vacuum blood collection tube, the vacuum blood collection tube is a disposable negative pressure vacuum glass tube capable of realizing quantitative blood collection and needs to be matched with a venous blood collection needle for use, the principle of the vacuum blood collection tube is that a blood collection tube test tube with a head cover is pre-pumped into different vacuum degrees, the venous blood is automatically and quantitatively collected by utilizing the negative pressure of the vacuum blood collection tube, and one end of the blood collection needle penetrates into a human vein and then the other end of the blood collection tube is inserted into a rubber plug of the vacuum blood collection tube. Human venous blood is inside the vacuum test tube, under the effect of negative pressure, through blood taking needle suction blood specimen container, under a venipuncture, can realize that multitube gathers and does not take place to reveal. Traditional heparin tube generally only has a body, and often can lead to the heparin tube capacity not enough under the condition of the blood sampling of some large doses, need extract the needle tubing, inserts new heparin tube, and at the in-process of extracting, the blood sampling needle can contact with the air, thereby causes bacterial infection easily and influences the blood condition of adorning individual heparin tube.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide a disposable human venous blood collection container, wherein when the volume of a single blood collection tube is insufficient due to a large blood collection dose, two tube bodies are used in a splicing manner, thereby preventing the blood collection tube from contacting air.

The embodiment of the utility model is realized by adopting the following scheme: the utility model provides a human venous blood collection container of disposable, including test tube A and test tube B, test tube A's bottom has the external screw thread, test tube B's top has the internal thread that matches with it, test tube A can install through the screw thread on test tube B, the pipe cap is installed at test tube A's top, first injection hole has been seted up at test tube A top, first injection hole department installs first locking component, first removal chamber has been seted up at test tube A's top, first removal chamber is from right side to left side pass first injection hole, first spacing groove has been seted up at the top in first removal chamber, first locking component is installed in first removal intracavity, test tube A's body is located the below in first injection hole, the rubber bed course is installed at the top of test tube A's body, first water conservancy diversion layer is installed to the below in rubber bed course, the first flow guide layer is fixed on the inner wall of the tube body of the test tube A, the first flow guide layer is in an inverted funnel shape, through grooves are uniformly formed in the connection part of the first flow guide layer and the inner wall of the tube body of the test tube A, the bottom of the tube body of the test tube A is inclined downwards along the center, a plurality of first liquid discharge ports are formed in the lowest position of the bottom of the tube body of the test tube A, a drainage groove is formed below the bottom of the tube body of the test tube A, a liquid blocking assembly is installed below the first liquid discharge ports at the top of the drainage groove, the bottom of the drainage groove is in a funnel shape, and a second liquid discharge port is formed in the lowest position of the drainage groove; test tube B's top with first inlet has been seted up on the corresponding position of second leakage fluid dram, first inlet department installs second locking Assembly, test tube B has been seted up at the top and has been removed the chamber, the second is removed the chamber and is passed from right turning left first inlet, the second is removed the top in chamber and has been seted up the second spacing groove, second locking Assembly unit mount is in the second removes the intracavity, test tube B's body is located the below of first inlet, the second water conservancy diversion layer is installed at the top of test tube B's body, the second water conservancy diversion layer with first water conservancy diversion layer structure is the same.

In an embodiment of the utility model, the first locking assembly comprises a return spring, a clamping plate and a moving block, the return spring is symmetrically installed on the upper inner wall and the lower inner wall of the leftmost side of the moving cavity, the other end of the return spring is connected with the clamping plate, one end, far away from the return spring, of the clamping plate is hinged on the corresponding inner wall of the moving cavity, the moving block slides in the moving cavity, a limiting convex part is installed at the top of the moving block, the limiting convex part slides in the first limiting groove, a bolt is installed on the right part of the top of the moving block, a bolt hole is formed in the right side of the bottom of the pipe cap at the position corresponding to the bolt, and the second locking assembly is identical to the first locking assembly in structure.

In one embodiment of the utility model, the liquid blocking component comprises a bidirectional threaded rod, a baffle, a movable plate and a limiting guide rod, the bidirectional threaded rod is fixed on the left and right side walls of the drainage groove, the right end of the bidirectional threaded rod penetrates through the side wall of the drainage groove and penetrates out of the exterior of the test tube A to be connected with a rotating handle, the limiting guide rods are symmetrically arranged on the side walls of the front and rear parts of the bidirectional threaded rod, the limiting guide rods are parallel to the bidirectional threaded rod, the baffle is arranged in the middle of the limiting guide rods and the bidirectional threaded rod and is fixed on the front and rear side walls of the drainage groove, the movable plate is symmetrically arranged on the left and right parts of the bidirectional threaded rod, the front and rear parts of the movable plate are respectively penetrated by the corresponding limiting guide rods, and the front and rear parts of the movable plate are provided with sealing rings at positions corresponding to the first liquid discharge ports, the lateral wall of drainage groove with sealing washer on the movable plate and install the stopper on the corresponding position of first drain port.

In an embodiment of the present invention, a rubber inner plug is installed on a position of the pipe cap corresponding to the first injection hole.

In an embodiment of the present invention, the surfaces of the test tube a and the test tube B are graduated.

In an embodiment of the present invention, label pages are further attached to the surfaces of the test tube a and the test tube B.

The utility model has the beneficial effects that: the utility model provides a disposable human venous blood collection container, when the volume of a single blood collection tube is not enough to be loaded due to large blood collection dose, two tube bodies can be spliced for use, a material blocking assembly is arranged between a test tube A and a test tube B, and the communication between the test tube A and the test tube B can be realized by rotating a bidirectional threaded rod.

Drawings

FIG. 1 is a perspective view of a preferred embodiment of a single use human venous blood collection container.

Fig. 2 is a schematic view showing a structure of a disposable human venous blood collection container.

Fig. 3 is a cross-sectional view taken along line a-a of fig. 2.

Fig. 4 is a cross-sectional view taken at B-B of fig. 2.

Fig. 5 is a cross-sectional view at C-C of fig. 2.

Fig. 6 is an enlarged view of fig. 2 at D.

Fig. 7 is an enlarged view of fig. 2 at E.

Fig. 8 is an enlarged view at F of fig. 6.

Figure 9 is a perspective view of another preferred embodiment of tube a and tube B when used separately.

Fig. 10 is a schematic view of the construction of the cap and the alternate base.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1 to 10, the present invention provides a disposable human venous blood collection container, including a test tube a1 and a test tube B2, wherein the bottom of the test tube a1 has external threads, the top of the test tube B2 has internal threads matching with the external threads, the test tube a1 can be mounted on the test tube B2 through threads, the top of the test tube a1 is mounted with a tube cap 3, the top of the test tube a1 is opened with a first injection hole 11, a first locking assembly 4 is mounted at the first injection hole 11, the top of the test tube a is opened with a first movable cavity 12, the first movable cavity 12 passes through the first injection hole 11 from right to left, the top of the first movable cavity 12 is opened with a first limiting groove 13, the first locking assembly 4 is mounted in the first movable cavity 12, the tube body 14 of the test tube a is located below the first injection hole 11, and the top of the tube body 14 of the test tube a is mounted with a rubber cushion 15, the tightness of the test tube A1 is ensured, a first flow guide layer 16 is arranged below the rubber cushion layer 15, the first flow guiding layer 16 is fixed on the inner wall of the tube body 14 of the test tube A, the first flow guiding layer 16 is in an inverted funnel shape, prevents blood from directly falling to the bottom of the test tube A1, plays a role in buffering, the first flow guiding layer 16 is uniformly provided with through grooves 161 at the connection part with the inner wall of the tube body 14 of the test tube a, the bottom of the tube body 14 of the test tube A inclines downwards along the center, the lowest part of the bottom of the tube body 14 of the test tube A is provided with a plurality of first liquid discharge ports 17, a drainage groove 18 is arranged below the bottom of the tube body 14 of the test tube A, a liquid blocking component 5 is arranged below the first liquid discharge port 17 at the top of the drainage groove 18, the bottom of the drainage groove 18 is funnel-shaped, and the lowest part is provided with a second liquid outlet 19 for facilitating liquid drainage; first inlet 21 has been seted up at test tube B's top with second leakage fluid dram 19's corresponding position is last, second locking component 22 has been installed to first inlet 21 department, second removal chamber 23 has been seted up at test tube B2 top, second removal chamber 23 is passed from right to left first inlet 21, second spacing groove 24 has been seted up at the top that the second removed chamber 23, second locking component 22 unit mount be in the second removes the chamber 23, test tube B's body 25 is located the below of first inlet 21, second current guiding layer 26 is installed at the top of test tube B's body 25, second current guiding layer 26 with first current guiding layer 16 is the same in structure.

With continued reference to fig. 1-9, the first locking assembly 4 includes a return spring 41, a clamping plate 42 and a moving block 43, the return springs 41 are symmetrically arranged on the upper and lower inner walls of the leftmost side of the moving cavity, the other ends of the return springs 41 are connected with the clamping plate 42, the end of the clamping plate 42 remote from the return spring 41 is hinged on the corresponding inner wall of the first moving chamber 12, the moving block 43 slides in the first moving cavity 12, a limit convex part 44 is arranged at the top of the moving block 43, the limit convex part 44 slides in the first limit groove 13, a bolt 45 is arranged on the right part of the top of the moving block 43, the right side of the bottom of the tube cap 3 is provided with a bolt hole 31 at a position corresponding to the bolt 45, so that the air tightness of the test tube A1 is improved, and the structure of the second locking assembly 22 is the same as that of the first locking assembly 4.

With continuing reference to fig. 1 to 6, the liquid blocking assembly 5 includes a bidirectional threaded rod 51, a blocking plate 52, a moving plate 53 and a limiting guide rod 54, the bidirectional threaded rod 51 is fixed on the left and right side walls of the drainage groove 18, the right end of the bidirectional threaded rod 51 passes through the side wall of the drainage groove 18 and penetrates out of the test tube a1 to be connected with a rotating handle 55, so as to facilitate rotation of the bidirectional threaded rod 51, the limiting guide rods 54 are symmetrically installed on the side walls of the front and rear parts of the bidirectional threaded rod 51 to perform limiting and guiding functions, the limiting guide rod 54 is parallel to the bidirectional threaded rod 51, the blocking plate 52 is installed in the middle parts of the limiting guide rod 54 and the bidirectional threaded rod 51 and fixed on the front and rear side walls of the drainage groove 18, the moving plate 53 is symmetrically installed on the left and right parts of the bidirectional threaded rod 51, the front and rear parts of the moving plate 53 are respectively passed through by the corresponding limiting guide rods 54, the front and rear parts of the moving plate 53 are provided with sealing rings 56 at positions corresponding to the first liquid discharge ports 17, and the side wall of the drainage groove 18 is provided with a limiting block 57 at positions corresponding to the sealing rings 56 on the moving plate 53 and the first liquid discharge ports 17, so that the sealing rings 56 are aligned to the first liquid discharge ports 17 conveniently.

With continued reference to fig. 10, the cap 3 is provided with an inner rubber plug 32 at a position corresponding to the first injection hole 11, so as to ensure air tightness and prevent air from entering the test tube a 1.

With continued reference to FIGS. 1 and 10, the surfaces of tube A1 and tube B2 are graduated for easy viewing.

With continued reference to fig. 1 and 10, the surfaces of the test tube a1 and the test tube B2 are labeled with labels for easy distinction.

The utility model has the following working principle: when two test tubes are needed for a large amount of blood to be sampled, the test tube A1 and the test tube B2 are screwed together by screw threads, the tube cap 3 on the test tube A1 is pulled out, the moving block 43 in the first locking component 44 is pulled outwards, the blood sampling needle tube is inserted into the test tube A1 and penetrates through the rubber cushion 15, blood enters the tube body 14 of the test tube A1 through the through groove 161 on the first flow guiding layer 16, the bidirectional threaded rod 51 is driven to rotate by rotating the rotating rotary handle 55, the moving plate 53 blocked on the first liquid discharging port 17 is moved, the blood enters the drainage groove 18 through the first liquid discharging port, the moving block 43 in the second locking component 22 is pulled outwards, the blood flows onto the second flow guiding layer 26 through the first liquid inlet 21 and enters the tube body 25 of the test tube B through the through groove 161 on the second flow guiding layer 26, when the blood in the test tube B2 is full, the rotating rotary handle 55 rotates the bidirectional threaded rod 51, and the moving plate 53 moves to the first liquid discharging port 17, at this time, the sealing ring 56 is aligned with the first drainage port 17, after the residual blood is transferred from the drainage groove 18 to the test tube B2, the moving block 43 in the second locking assembly 22 is pushed into the leftmost part of the second moving chamber 23, and after the test tube a1 is filled with blood, the moving block 43 in the first locking assembly 44 is pushed into the leftmost part of the first moving chamber 12, and the cap 3 on the test tube a1 is covered.

It should be noted that, in another embodiment of the present invention: the test tube A1 and the test tube B2 can be used independently, at the moment, the standby base 6 needs to be installed at the bottom of the test tube A1, the placing groove 61 is formed in the top of the standby base 6, the shape of the placing groove 61 corresponds to that of the bottom of the test tube A1, the test tube A1 is installed on the placing groove 61, and the rubber soft plug 62 is installed on the placing groove 61 at the position corresponding to the second liquid outlet 19; the top of the test tube B2 is provided with a tube cap 3 and a rubber cushion layer 15 which are the same as those of the test tube A1.

The above description is only a preferred embodiment of the present invention, and should not be construed as limiting the present invention, and all equivalent variations and modifications made in the claims of the present invention should be covered by the present invention.

Claims (6)

1. A disposable human venous blood collection container which is characterized in that: the test tube comprises a test tube A and a test tube B, wherein an external thread is arranged at the bottom of the test tube A, an internal thread matched with the test tube B is arranged at the top of the test tube B, the test tube A can be installed on the test tube B through a thread, a tube cap is installed at the top of the test tube A, a first injection hole is formed in the top of the test tube A, a first locking assembly is installed at the first injection hole, a first moving cavity is formed in the top of the test tube A, the first moving cavity penetrates through the first injection hole from the right side to the left side, a first limiting groove is formed in the top of the first moving cavity, the first locking assembly is installed in the first moving cavity, a tube body of the test tube A is located below the first injection hole, a rubber cushion layer is installed at the top of the tube body of the test tube A, a first flow guide layer is installed below the rubber cushion layer, and the first flow guide layer is fixed on the inner wall of the tube body of the test tube A, the first flow guide layer is in an inverted funnel shape, through grooves are uniformly formed in the first flow guide layer at the connection position of the first flow guide layer and the inner wall of the tube body of the test tube A, the bottom of the tube body of the test tube A is inclined downwards along the center, a plurality of first liquid discharge ports are formed in the lowest position of the bottom of the tube body of the test tube A, a drainage groove is formed below the bottom of the tube body of the test tube A, a liquid blocking assembly is mounted below the first liquid discharge ports at the top of the drainage groove, the bottom of the drainage groove is in a funnel shape, and a second liquid discharge port is formed in the lowest position of the drainage groove; test tube B's top with first inlet has been seted up on the corresponding position of second leakage fluid dram, first inlet department installs second locking Assembly, test tube B has been seted up at the top and has been removed the chamber, the second is removed the chamber and is passed from right turning left first inlet, the second is removed the top in chamber and has been seted up the second spacing groove, second locking Assembly unit mount is in the second removes the intracavity, test tube B's body is located the below of first inlet, the second water conservancy diversion layer is installed at the top of test tube B's body, the second water conservancy diversion layer with first water conservancy diversion layer structure is the same.

2. A single use human venous blood collection container as in claim 1 wherein: the first locking assembly comprises a reset spring, a clamping plate and a moving block, the reset spring is symmetrically installed on the upper inner wall and the lower inner wall of the leftmost side of the moving cavity, the other end of the reset spring is connected with the clamping plate, one end, far away from the reset spring, of the clamping plate is hinged to the corresponding inner wall of the moving cavity, the moving block slides in the moving cavity, a limiting convex portion is installed at the top of the moving block and slides in the first limiting groove, a bolt is installed on the right portion of the top of the moving block, a bolt hole is formed in the position, corresponding to the bolt, of the right side of the bottom of the pipe cap, and the second locking assembly is identical to the first locking assembly in structure.

3. A single use human venous blood collection container as in claim 1 wherein: keep off liquid subassembly includes two-way threaded rod, baffle, movable plate and spacing guide bar, two-way threaded rod is fixed on the lateral wall of controlling of drainage groove, the right-hand member of two-way threaded rod passes the lateral wall of drainage groove is worn out test tube A's external connection has the rotation handle, spacing guide bar symmetry is installed on the lateral wall of two parts around the two-way threaded rod, spacing guide bar with two-way threaded rod is parallel, the baffle mounting be in spacing guide bar with the middle part of two-way threaded rod is fixed on the lateral wall around the drainage groove, the movable plate symmetry is installed two-way threaded rod left part and right part, two parts do not quilt around the movable plate the spacing guide bar that corresponds passes, preceding, rear portion of movable plate with install the sealing washer on the position that first drainage mouth corresponds, the lateral wall of drainage groove with sealing washer on the movable plate and the corresponding position of first drainage mouth A limiting block is arranged on the upper part.

4. A single use human venous blood collection container as in claim 1 wherein: and the pipe cap is provided with a rubber inner plug at a position corresponding to the first injection hole.

5. A single use human venous blood collection container as in claim 1 wherein: the surfaces of the test tube A and the test tube B are provided with scales.

6. A single use human venous blood collection container as in claim 1 wherein: the surfaces of the test tube A and the test tube B are also pasted with label pages.

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