CN220025052U - Disposable anti-pollution vacuum blood collection tube - Google Patents

Abstract

The utility model relates to a disposable anti-pollution vacuum blood collection tube which comprises a test tube body, a rubber plug arranged in a tube orifice of the test tube body and a head cap sleeved outside the test tube body, wherein one end of the rubber plug is clamped into the test tube body, the other end cover of the rubber plug is arranged on the surface of the test tube body, a sealing block is arranged above the rubber plug and is positioned in the head cap, a containing cavity for containing an insertion needle is formed in the sealing block, the containing cavity is positioned above the rubber plug, and a first rubber sheet and a second rubber sheet for the insertion needle to pass through are respectively arranged on the upper side and the lower side of the containing cavity. The utility model has the effect of preventing the blood from overflowing from the insertion needle to pollute the environment.

Description

Disposable anti-pollution vacuum blood collection tube

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a disposable anti-pollution vacuum blood collection tube.

Background

The vacuum blood collection tube is a vacuum negative pressure blood collection tube, and blood in a blood vessel of a patient is sucked into the vacuum blood collection tube by utilizing the vacuum negative pressure, so that a blood collection process is completed. Vacuum blood collection tubes are one of the most commonly used medical devices in performing blood collection and blood testing.

The vacuum blood collection tube in the related art mainly comprises a vacuum test tube and a rubber plug plugged into the tube orifice of the vacuum test tube body, and a head cap is sleeved outside the rubber plug. The rubber stopper is used for sealing the port of the test tube so that the vacuum negative pressure state is kept in the test tube. The device for taking blood from a blood vessel of a patient mainly comprises a blood taking needle, a hose connected with the blood taking needle and an insertion needle connected with the hose and used for being inserted into a test tube. When blood collection is carried out, firstly, the blood collection needle is inserted into a blood vessel of a patient, and because vacuum operation is required to be kept in the blood collection process to prevent air from entering into the test tube, the blood in the blood vessel needs to wait for flowing into the hose, and when the blood overflows from the insertion needle, the insertion needle is inserted into the test tube, so that the blood is sucked into the test tube through the insertion needle, and the blood collection work is completed. However, in this blood sampling process, medical staff need wait for blood to draw out the back and insert in the test tube again, and when blood overflowed in the waiting process, medical personnel let if not in time insert the syringe needle in the test tube, overflowed blood can cause the pollution of surrounding environment, brings the harmful effects.

Disclosure of Invention

In order to improve the phenomenon that the blood overflows to cause environmental pollution in the related art, the utility model provides a disposable anti-pollution vacuum blood collection tube.

The utility model provides a disposable anti-pollution vacuum blood collection tube, which adopts the following technical scheme:

the utility model provides a disposable anti-pollution vacuum blood collection tube, includes the test tube body, set up in rubber buffer and cover in the mouth of pipe of test tube body locate the outer hood of test tube body, the one end card of rubber buffer is gone into in the test tube body, the other end cover of rubber buffer is located the surface of test tube body, the top of rubber buffer is provided with the sealing block, the sealing block is located in the hood, set up in the sealing block and be used for the holding cavity of inserting the syringe needle, the holding cavity is located the top of rubber buffer, the upside and the downside of holding cavity are provided with respectively and are used for supplying first sheet rubber and the second sheet rubber of inserting the syringe needle and pass.

Through adopting above-mentioned technical scheme, when medical personnel carries out the operation of drawing blood to the patient, insert the blood taking needle in patient's the blood vessel, then enter into the holding cavity with inserting the syringe needle from first sheet rubber, observe and wait to insert the syringe needle and have blood to spill over the back, insert the syringe needle from the second sheet rubber, insert into the test tube body through the sheet rubber for blood is inhaled in the test tube body through the negative pressure, accomplishes blood sampling work promptly. Through setting up the holding cavity and carrying out the holding to the insertion syringe needle, reduced the blood and overflowed the risk that the outside takes place the infection.

Preferably, the outer wall of the sealing block is provided with external threads, and the inner wall of the head cap is provided with internal threads matched with the external threads.

By adopting the technical scheme, the external thread of the sealing block is matched with the internal thread of the head cap, so that the sealing block can be quickly installed or taken out through rotation.

Preferably, a cover body is connected above the sealing block, the cover body is covered on the surface of the helmet, an opening is formed in the cover body, the opening is communicated with the accommodating cavity, and the first rubber sheet is positioned in the opening.

Through adopting above-mentioned technical scheme, the lid on the sealing block is covered and is located the surface of headgear for when taking out the sealing block, medical personnel can hold the lid and take out the sealing block rotation.

Preferably, the outer side edge of the cover body is provided with a bump, and the bump is arranged along the circumferential direction of the cover body.

Through adopting above-mentioned technical scheme, the lug that the outside edge of lid set up makes things convenient for medical personnel to install or take out the operation of sealing block more.

Preferably, the cover body is provided with two elastic rubber strips for limiting the insertion needle, the two elastic rubber strips are oppositely arranged, the two elastic rubber strips are linearly reduced from the joint of the cover body to the middle, and a slot for the insertion of the insertion needle is formed in the middle of the two elastic rubber strips.

Through adopting above-mentioned technical scheme, form the fluting that supplies the syringe needle to pass in the centre of two elastic rubber strips for after the syringe needle inserts the holding cavity, receive the restriction of two elastic rubber strips and can not receive gravity skew easily.

Preferably, one side of the two elastic rubber strips away from the cover body is provided with a connecting sheet, and one side of the connecting sheet facing the slot is provided with an inserting sheet for inserting an inserting needle.

Through adopting above-mentioned technical scheme, the connection piece has strengthened the spacing to the syringe needle of inserting for the syringe needle of inserting and the hose that links to each other with the syringe needle of inserting can not deviate easily.

Preferably, the rubber plug is far away from the outer wall of one end inserted into the test tube body, an annular groove is formed in the outer wall of the end, along the circumferential direction of the rubber plug, a convex strip for being inserted into the annular groove is arranged on the inner wall of the head cap.

Through adopting above-mentioned technical scheme, the sand grip of ring channel and the headgear inner wall of rubber buffer can peg graft for the rubber buffer card is gone into in the test tube body back, and ring channel and headgear inner wall can relative position grafting.

Preferably, the outer wall of one end of the rubber plug inserted into the test tube body is provided with a plurality of protruding points, and the protruding points are formed in the circumferential direction of the rubber plug.

Through adopting above-mentioned technical scheme, the rubber buffer card is gone into a plurality of bumps that the one end outside in the test tube body set up, and a plurality of bumps can the butt at the inner wall of test tube body for more close connection between rubber buffer and the test tube body.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. when a medical staff performs blood drawing operation on a patient, the blood taking needle is inserted into the blood vessel of the patient, then the insertion needle head enters the accommodating cavity from the insertion sheet of the connecting sheet and the first rubber sheet on the cover body, the medical staff observes whether the blood overflows from the insertion needle head, the insertion needle head is inserted from the second rubber sheet after the blood overflows, and the blood is inserted into the test tube body through the rubber plug, so that the blood is sucked into the test tube body through the insertion needle head, and the blood drawing operation is completed; the accommodating cavity can accommodate the insertion needle head when blood is sampled, and also can accommodate the blood sampling needle head and the insertion needle head in the accommodating cavity after the blood sampling is finished, and the sealing block is screwed out to treat medical waste, so that the overflow of blood is avoided and the environment is polluted. In addition, when the patient needs to draw multiple tubes of blood, the insertion needle is accommodated in the accommodating cavity after one tube of blood is drawn, then the sealing block is screwed out, and the sealing block is plugged into another blood drawing test tube for drawing blood, so that the risk of blood overflow is avoided;

2. the two elastic rubber strips and the connecting sheet can limit and fix the insertion needle, so that the risk caused by the deviation of the insertion needle is avoided.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional view of a cover and a sealing block in an embodiment of the utility model.

In the figure, 1, a test tube body; 2. a rubber stopper; 21. a clamping part; 211. a bump; 22. a connection part; 221. an annular groove; 3. a headgear; 31. a convex strip; 32. an internal thread; 4. a cover body; 41. a bump; 42. opening holes; 43. a first rubber sheet; 5. a sealing block; 51. an external thread; 52. a receiving cavity; 53. a second rubber sheet; 6. an elastic rubber strip; 61. slotting; 7. a connecting sheet; 71. and (5) inserting the sheet.

Detailed Description

The present utility model will be described in further detail with reference to fig. 1 to 3.

A disposable anti-pollution vacuum blood collection tube, referring to figures 1 and 2, comprises a test tube body 1, a rubber plug 2 tightly plugged at the tube orifice of the test tube body 1 and a head cap 3 sleeved outside the rubber plug 2. The rubber stopper 2 comprises a clamping part 21 clamped in the test tube body 1 and a connecting part 22 arranged above the clamping part 21, wherein the clamping part 21 and the connecting part 22 are all cylindrical, the clamping part 21 is tightly attached to the test tube body 1, a plurality of protruding points 211 are arranged on the outer side of the clamping part 21, and the protruding points 211 are arranged along the circumferential direction of the clamping part 21. The protruding points 211 are abutted against the inner wall of the test tube body 1, so that the connection between the clamping part 21 and the inner wall of the test tube body 1 is enhanced. The diameter of the connecting part 22 is larger than that of the clamping part 21, and the connecting part 22 covers the surface of the tube orifice of the test tube body 1.

Referring to fig. 1 and 2, the head cap 3 is sleeved on the outer side of the connecting portion 22, the head cap 3 is in a cylindrical shape with an opening from top to bottom, the length of the head cap 3 is longer than that of the rubber plug 2, and one side of the head cap 3 away from the connecting portion 22 is sleeved outside the test tube body 1. An annular groove 221 is formed in the outer side of the connecting portion 22, the annular groove 221 is formed in the circumferential direction of the connecting portion 22, a raised line 31 inserted into the annular groove 221 is formed in the inner wall of the headgear 3, and the raised line 31 is formed in the circumferential direction of the headgear 3. The raised strips 31 are made of rubber materials, when the helmet 3 is sleeved outside the rubber plug 2, the raised strips 31 are inserted in opposite positions with the annular grooves 221, so that the fixed connection between the helmet 3 and the rubber plug 2 is ensured.

Referring to fig. 2 and 3, a receiving assembly for receiving an insertion needle is provided in the head cap 3, the receiving assembly being located above the connection portion 22. The accommodating component comprises a cover body 4 and a sealing block 5 arranged below the cover body 4, wherein the cover body 4 is covered on the upper surface of the head cap 3, and the sealing block 5 is clamped into the head cap 3. In this embodiment, the sealing block 5 is made of transparent material, the diameter of the sealing block 5 is matched with the diameter of the connecting portion 22 of the rubber plug 2, and the length of the cover 4 is greater than the diameter of the sealing block 5.

Referring to fig. 2 and 3, the outer wall of the sealing block 5 is provided with external threads 51, and the inner wall of the head cap 3 contacting the sealing block 5 is provided with internal threads 32, and the internal threads 32 are matched with the external threads 51, so that the sealing block 5 can be clamped into the head cap 3 by rotation. The outer side edge of the cover body 4 is provided with a lug 41, the lug 41 is arranged along the circumferential direction of the cover body 4, the section of the lug 41 is arranged in a reverse right triangle shape, and the right-angle side of the lug 41 is connected with the outer side wall of the cover body 4. The lug 41 facilitates the medical staff to hold and take out the sealing block 5, so that errors caused by directly pulling out the sealing block 5 are avoided.

Referring to fig. 2 and 3, a containing cavity 52 for containing the insertion needle is formed in the sealing block 5, the section of the containing cavity 52 is in a U-shaped shape, the containing cavity 52 is located above the rubber plug 2, an opening 42 is formed in one side of the cover body 4 opposite to the containing cavity 52, the opening 42 is communicated with the containing cavity 52, and a first rubber sheet 43 for inserting the insertion needle is arranged in the opening 42. A second rubber sheet 53 is arranged at one side of the lower part of the accommodating cavity 52, which is close to the rubber stopper 2, so that the insertion needle is convenient to be inserted into the test tube body 1 from the second rubber sheet 53. When the blood sampling operation is performed, the blood sampling needle is inserted into the blood vessel of the patient, the insertion needle is inserted into the accommodating cavity 52 from the first rubber sheet 43, and after observing that blood flows into the insertion needle, the insertion needle is inserted into the test tube body 1 downward through the second rubber sheet 53, thereby blood sampling is performed by utilizing the negative pressure in the test tube body 1. The accommodating cavity 52 can accommodate the insertion needle head in the blood sampling process, and also can accommodate the blood sampling needle head and the insertion needle head in the accommodating cavity 52 after the blood sampling is finished, and the sealing block 5 is screwed out to treat medical waste, so that the overflow of blood is avoided and the environment is polluted. In addition, when the patient needs to draw multiple blood tubes, the insertion needle is accommodated in the accommodating cavity 52 after one tube is drawn, then the sealing block 5 is unscrewed, and the sealing block 5 is plugged into another blood drawing test tube for drawing blood, so that the risk of blood overflowing is avoided.

Referring to fig. 2 and 3, the cover 4 is further provided with a limiting component for limiting the insertion needle, and the limiting component includes two elastic rubber strips 6 oppositely arranged on the cover 4 and a connecting sheet 7 connected to one side of the elastic rubber strips 6 away from the cover 4. The two elastic rubber strips 6 are linearly reduced from the joint with the cover body 4 to the middle position of the two elastic rubber strips 6, so that the upper ends of the two elastic rubber strips 6 are small-mouth ends, the lower ends of the two elastic rubber strips 6 are large-mouth ends, the two elastic rubber strips 6 are respectively connected to the upper surfaces of the connecting sheets 7, and a slot 61 for inserting a needle is formed in the middle of the two elastic rubber strips 6. The side of the connecting piece 7 facing the slot 61 is provided with an inserting piece 71 for inserting an inserting needle, the inserting piece 71 is made of rubber material, and two sides of the connecting piece 7 opposite to the inserting piece 71 are hard blocks with certain hardness. The hard blocks can be used for pulling out the sealing block 5 by holding the hard blocks at two sides when the sealing block 5 needs to be taken out. When the insertion needle passes through the first rubber sheet 43 and the second rubber sheet 53 and enters the accommodating cavity 52, the two elastic rubber strips 6 play a limiting role on the insertion needle, so that the insertion needle and a hose connected with the insertion needle are prevented from being deviated.

The implementation principle of the embodiment of the utility model is as follows: when medical personnel carry out the operation of drawing blood to the patient, insert the blood taking needle in patient's the blood vessel, then with the syringe needle from the insert piece 71 of connection piece 7 and the first sheet rubber 43 on the lid 4 enter into holding cavity 52 in, two elastic rubber strips 6 carry out spacing fixedly to the syringe needle, medical personnel observe whether the syringe needle has blood to spill over, insert the syringe needle from second sheet rubber 53 after the blood overflows, insert test tube body 1 through rubber buffer 2 for blood is inhaled in test tube body 1 through the syringe needle, accomplish blood sampling work promptly.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a disposable anti-pollution vacuum blood collection tube, includes test tube body (1), set up in rubber buffer (2) and cover in the mouth of pipe of test tube body (1) are located head cap (3) outside test tube body (1), its characterized in that, the one end card of rubber buffer (2) is gone into in test tube body (1), the other end cover of rubber buffer (2) is located the surface of test tube body (1), the top of rubber buffer (2) is provided with sealing block (5), sealing block (5) are located in head cap (3), set up in sealing block (5) and be used for the holding cavity (52) of holding insertion syringe needle, holding cavity (52) are located the top of rubber buffer (2), the upside and the downside of holding cavity (52) are provided with respectively and are used for supplying first rubber sheet (43) and second rubber sheet (53) that the syringe needle passed.

2. The disposable anti-pollution vacuum blood collection tube according to claim 1, wherein the outer wall of the sealing block (5) is provided with external threads (51), and the inner wall of the head cap (3) is provided with internal threads (32) adapted to the external threads (51).

3. The disposable anti-pollution vacuum blood collection tube according to claim 1, wherein a cover body (4) is connected above the sealing block (5), the cover body (4) is covered on the surface of the head cap (3), an opening (42) is formed in the cover body (4), the opening (42) is communicated with the accommodating cavity (52), and the first rubber sheet (43) is located in the opening (42).

4. A disposable anti-contamination vacuum blood collection tube according to claim 3, wherein the outer edge of the cover (4) is provided with a protrusion (41), the protrusion (41) being arranged along the circumferential direction of the cover (4).

5. A disposable anti-pollution vacuum blood collection tube according to claim 3, wherein two elastic rubber strips (6) for limiting the insertion needle are arranged on the cover body (4), the two elastic rubber strips (6) are oppositely arranged, the two elastic rubber strips (6) are linearly reduced from the joint of the cover body (4) to the middle, and a slot (61) for the insertion of the insertion needle is formed in the middle of the two elastic rubber strips (6).

6. The disposable anti-pollution vacuum blood collection tube according to claim 5, wherein a connecting sheet (7) is arranged on one side of the two elastic rubber strips (6) far away from the cover body (4), and an inserting sheet (71) for inserting an inserting needle is arranged on one side of the connecting sheet (7) facing the slot (61).

7. The disposable anti-pollution vacuum blood collection tube according to claim 1, wherein an annular groove (221) is formed in the outer wall of one end, far away from the end, inserted into the test tube body (1), of the rubber plug (2), the annular groove (221) is formed in the circumferential direction of the rubber plug (2), and a raised line (31) used for being inserted into the annular groove (221) is arranged on the inner wall of the head cap (3).

8. The disposable anti-pollution vacuum blood collection tube according to claim 1, wherein a plurality of protruding points (211) are arranged on the outer wall of one end of the rubber plug (2) inserted into the test tube body (1), and the protruding points (211) are arranged along the circumferential direction of the rubber plug (2).