CN209884162U - Blood sampling tube for direct on-machine detection - Google Patents
Blood sampling tube for direct on-machine detection Download PDFInfo
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- CN209884162U CN209884162U CN201820827296.8U CN201820827296U CN209884162U CN 209884162 U CN209884162 U CN 209884162U CN 201820827296 U CN201820827296 U CN 201820827296U CN 209884162 U CN209884162 U CN 209884162U
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Abstract
The utility model belongs to the technical field of blood sampling tubes, in particular to a blood sampling tube for direct operation and detection, which comprises a tube body, wherein a sealing component is arranged at the tube orifice of the tube body, and the sealing component comprises an inner plug, an inner plug snap ring, an outer protection ring and an outer plug; the outer protection ring is sleeved at the upper end of the pipe body, the inner wall of the upper part of the outer protection ring is provided with a first step protruding inwards, and the first step is contacted with the end face of the pipe orifice; the inner plug is plugged at the pipe orifice of the pipe body, the outer edge of the upper end of the inner plug is provided with a second step protruding outwards, and the lower end face of the second step is contacted with the first step; the inner plug clamping ring is sleeved in the inner plug, the outer edge of the upper end of the inner plug clamping ring is provided with a third step protruding outwards, and the third step is in contact with the second step; the outer plug is plugged into the inner plug clamping ring from the upper end; the inner plug and the outer plug are both made of high polymer elastic materials. The blood sampling tube can avoid bending or breaking of the probe in the process of on-machine sampling detection, reduces the abrasion of the probe, reduces the risk that the rubber plug scraps block the detection machine, and saves the equipment maintenance cost.
Description
Technical Field
The utility model relates to a direct machine of operating detects uses heparin tube belongs to heparin tube technical field.
Background
Currently, in clinical medicine, vacuum blood collection test tubes are widely applied to blood analysis, and clinical diagnosis bases are provided for clinicians. The main action principle of the blood sampling device is that vacuum is preset in a test tube to form negative pressure, and the purpose of extracting a blood sample is achieved by utilizing the blood pressure of a human body and the pressure difference in the tube.
The seal assembly of traditional heparin tube comprises block and plug, and the block is in the same place with the compound plug, and the test tube after the blood sampling can be directly by full-automatic biochemical analyzer sample detection.
However, the top of the rubber plug of the blood collection tube is often provided with a ring of retaining rings covered by a protective cap, so that when the blood collection tube is used for automatic puncture during on-line sampling, if the probe is not aligned to the central area, the probe can be hit on the retaining ring of the protective cap, and the probe is bent or broken. And in order to guarantee the product validity vacuum degree and operate smoothly during blood sampling without bouncing the needle, the rubber plug of the common design is thicker, so that the rubber plug punctured by the puncture probe is thicker when the machine is directly operated for sampling, so that more rubber plug fragments are brought by the probe in the puncturing process, a detection instrument is easily blocked, and meanwhile, the abrasion of the probe is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the direct on-machine detection blood sampling tube overcomes the defects in the prior art, and can avoid bending or breaking of the probe in the on-machine sampling detection process, reduce probe abrasion and reduce the detection machine blockage risk.
The utility model discloses a direct-operating detection blood sampling tube, which comprises a tube body, wherein a sealing component is arranged at the tube orifice of the tube body, and the sealing component comprises an inner plug, an inner plug snap ring, an outer protection ring and an outer plug; the outer protection ring is sleeved at the upper end of the pipe body, the inner wall of the upper part of the outer protection ring is provided with a first step protruding inwards, and the lower end face of the first step is contacted with the end face of the pipe orifice of the pipe body; the inner plug is in a barrel-shaped structure with an open upper part, the inner plug is plugged at the pipe orifice of the pipe body, the outer edge of the upper end of the inner plug is provided with a second step protruding outwards, and the lower end face of the second step is in contact with the first step; the inner plug clamping ring is sleeved in the inner plug, the outer edge of the upper end of the inner plug clamping ring is provided with a third step protruding outwards, and the lower end face of the third step is in contact with the second step; the outer plug is plugged into the inner plug clamping ring from the upper end; the inner plug and the outer plug are both made of high polymer elastic materials.
In the utility model, the inner plug is inserted into the tube body of the blood collection tube for isolating the blood sample; the inner plug clamping ring has the function of fixing the inner plug, and can prevent the inner plug from being brought into the tube by the probe in the sampling detection process of the detection equipment; the outer protection ring plays a role in protection, and ensures that fingers cannot contact the blood sample when the sealing assembly is taken down; the outer plug is located at the top end of the entire seal assembly. The heparin tube is the same with the using-way of ordinary heparin tube when using, and the blood sampling finishes the back, before the blood sample is operated the computer and is detected, extracts the outer stopper of upper end, only remains interior stopper (be used for keeping apart blood sample), then directly operates the computer and carries out sample sampling test.
Compared with the products on the market, the utility model only retains the inner plug in the on-machine sampling and detecting process to isolate the blood sample in the tube body, the inner plug is barrel-shaped, which increases the area that the probe can puncture when detecting and sampling, therefore, the probe of the detecting machine does not need to be aligned with the center of the inner plug, the problem that the probe is hit on the upper protective cap when the traditional blood sampling tube is used can not occur, and the bending or breaking of the probe can be avoided; the thickness of the rubber plug which needs to be punctured by the probe is greatly reduced, the abrasion of the probe is reduced, and the times of replacing the probe are reduced; due to the reduction of the thickness of the puncture rubber plug, the risk that the rubber plug falling scraps block the detection machine is reduced, frequent maintenance is not needed, the working efficiency is improved, and the cost is greatly saved.
Preferably, the inner wall of the outer protection ring below the first step is provided with an inward protruding support rib, and the support rib is in contact with the outer wall of the pipe body, so that the drawing force can be increased, and the sealing assembly cannot be integrally drawn out when the outer plug is drawn out. Further preferably, the lower part of the support rib is an arc surface or an inclined surface inclined upwards from outside to inside, so that the outer protection ring and the pipe body can be conveniently assembled.
Preferably, the outer protection ring and the inner plug snap ring are made of plastic materials, and the plastic materials have certain flexibility, so that the assembly is convenient, and the assembly is not easy to damage or break.
Preferably, the outer plug is composed of a crown portion and a lower insert portion, the crown portion having a diameter greater than a diameter of the lower insert portion, and the crown portion of the outer plug covers an upper portion of the outer protective ring after assembly. Wherein, the crown part and the lower insertion part of the outer plug can be integrally formed. Further preferably, the outer edge of the bottom of the lower insertion part is provided with a chamfer or a fillet, so that the outer plug can be conveniently installed in the inner plug snap ring.
Preferably, the inner periphery of the upper end of the inner plug clamping ring is provided with a chamfer or a fillet, so that the outer plug is convenient to assemble. Further preferably, the periphery of the lower end of the inner plug clamping ring is provided with a chamfer or a fillet, so that the inner plug is conveniently installed in the inner plug.
Preferably, the bottom thickness of interior stopper is 0.1 ~ 3mm, at last quick-witted sample test in-process, because of interior stopper bottom thickness is little, can reduce wearing and tearing when consequently stopper bottom in the probe puncture to improve the life of probe, reduce the change frequency of probe.
Preferably, the surface roughness of interior stopper snap ring and interior stopper contact is greater than its and outer stopper contact for the pulling force of interior stopper snap ring and interior stopper is greater than the pulling force of interior stopper snap ring and outer stopper, guarantees can not take out interior stopper snap ring when outer stopper is extracted.
Compared with the prior art, the utility model beneficial effect who has is:
the utility model discloses simple structure, design benefit compares traditional heparin tube, the utility model discloses only kept the inner plug in the sample detection process of operating the computer, and the inner plug is barrel-shaped structure, has consequently increased the area that the probe can puncture when detecting the sample, and the probe need not to aim at the inner plug center, also can not appear when traditional heparin tube uses the problem that the probe hits on the protective cap, has avoided the bending or the rupture of probe; the thickness of the rubber plug which needs to be punctured by the probe is greatly reduced, the abrasion of the probe is reduced, the times for replacing the probe are reduced, meanwhile, the risk that the rubber plug falls and scraps block a detection machine is reduced due to the reduction of the thickness of the punctured rubber plug, frequent maintenance is not needed, and the equipment maintenance cost is saved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the inner plug;
FIG. 3 is a schematic structural diagram of an inner plug snap ring;
FIG. 4 is a schematic structural view of an outer guard ring;
fig. 5 is a schematic structural view of the outer plug.
In the figure: 1. an outer plug; 2. an inner plug snap ring; 3. an inner plug; 4. an outer protective ring; 5. a pipe body; 6. a second step; 7. a third step; 8. a first step; 9. a crown portion; 10. a lower insertion portion.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings:
as shown in fig. 1 to 5, in the present embodiment, the blood collection tube for direct machine testing includes a tube body 5 and a sealing member; the sealing component is arranged at the pipe orifice of the pipe body 5 and comprises an inner plug 3, an inner plug clamping ring 2, an outer protection ring 4 and an outer plug 1.
The outer protection ring 4 is sleeved at the upper end of the pipe body 5, a first step 8 protruding inwards is arranged on the inner wall of the upper part of the outer protection ring 4, the lower end face of the first step 8 is contacted with the end face of the pipe orifice of the pipe body 5, and a supporting rib protruding inwards is arranged on the inner wall, located below the first step 8, of the outer protection ring 4; the inner plug 3 is a barrel-shaped structure with an open upper part, and the thickness of the side wall and the bottom of the inner plug is 1.5 mm; the inner plug 3 is plugged at the pipe orifice of the pipe body 5, the outer edge of the upper end of the inner plug is provided with a second step 6 protruding outwards, and the lower end face of the second step 6 is contacted with the first step 8; the inner plug clamping ring 2 is sleeved in the inner plug 3, the outer edge of the upper end of the inner plug clamping ring is provided with a third step 7 protruding outwards, and the lower end face of the third step 7 is in contact with the second step 6; the outer plug 1 consists of a crown part 9 and a lower insertion part 10 (in the embodiment, the crown part 9 is integrally formed), the diameter of the crown part 9 is larger than that of the lower insertion part 10, the lower insertion part 10 of the outer plug 1 is inserted into the inner plug clamping ring 2 from the upper end, and the crown part 9 covers the upper part of the outer protection ring 4; the inner plug 3 and the outer plug 1 are both made of high polymer elastic materials; the outer protection ring 4 and the inner plug snap ring 2 are made of plastic materials. The surface roughness of interior stopper snap ring 2 and interior stopper 3 contact is greater than its and outer 1 contact's of stopper surface roughness for the drawing force of interior stopper snap ring 2 and interior stopper 3 is greater than the drawing force of interior stopper snap ring 2 and outer stopper 1, guarantees to take out interior stopper snap ring 2 when outer stopper 1 extracts.
In this embodiment, the inner plug 3 is a soft rubber member, which is inserted into the tube body 5 of the blood collection tube, and is used for isolating the blood sample; the inner plug clamping ring 2 is a plastic piece, and can play a role in fixing the inner plug 3 in the sampling and detecting process of the detection equipment, so that the inner plug 3 is prevented from being brought into the pipe by the probe; the outer plug 1 is a soft rubber part and is positioned at the top end of the whole sealing assembly; the outer protection ring 4 is a plastic piece, plays a role in protection, and ensures that fingers can not contact with a blood sample when the sealing assembly is taken down, and meanwhile, the supporting ribs on the inner wall of the outer protection ring 4 are in contact with the outer wall of the tube body 5, so that the drawing force can be increased, and the sealing assembly can not be integrally drawn out when the outer plug 1 is drawn out.
For the convenience of assembly, the following structural design is adopted in the embodiment:
the lower part of the support rib is an arc surface or an inclined surface inclined upwards from outside to inside, so that the outer protection ring 4 and the pipe body 5 can be conveniently assembled; the periphery of the lower end of the inner plug clamping ring 2 is provided with a chamfer or a fillet, so that the inner plug 3 can be conveniently arranged; the inner periphery of the upper end of the inner plug clamping ring 2 is provided with a chamfer or a fillet, and the outer edge of the bottom of the lower insertion part 10 of the outer plug 1 is provided with a chamfer or a fillet, so that the outer plug 1 can be conveniently arranged in the inner plug clamping ring 2.
In the embodiment, the blood collection tube is used in the same way as a common blood collection tube; after blood collection is finished, before a blood sample is tested on a machine, the outer plug 1 at the upper end is pulled out, only the inner plug 3 (used for isolating the blood sample) is reserved, and then the machine is directly used for sample sampling and testing.
Because the inner plug 3 is of a barrel-shaped structure, the area which can be punctured by the probe during detection and sampling is increased, the probe does not need to be aligned with the center of the inner plug 3, the problem that the probe is hit on the upper protective cap when the traditional blood collection tube is used is avoided, and the bending or the breaking of the probe is avoided; the thickness of the rubber plug which needs to be punctured by the probe is greatly reduced, the abrasion of the probe is reduced, the times for replacing the probe are reduced, meanwhile, the risk that the rubber plug falls and scraps block a detection machine is reduced due to the reduction of the thickness of the punctured rubber plug, frequent maintenance is not needed, and the equipment maintenance cost is saved.
Claims (10)
1. The utility model provides a direct machine of going up detects uses heparin tube, includes body (5), its characterized in that: a sealing assembly is arranged at the pipe orifice of the pipe body (5), and comprises an inner plug (3), an inner plug clamping ring (2), an outer protection ring (4) and an outer plug (1); the outer protection ring (4) is sleeved at the upper end of the pipe body (5), a first step (8) protruding inwards is arranged on the inner wall of the upper part of the outer protection ring (4), and the lower end face of the first step (8) is contacted with the end face of the pipe orifice of the pipe body (5); the inner plug (3) is of a barrel-shaped structure with an upper opening, the inner plug (3) is plugged at the pipe orifice of the pipe body (5), the outer edge of the upper end of the inner plug is provided with a second step (6) protruding outwards, and the lower end face of the second step (6) is in contact with the first step (8); the inner plug clamping ring (2) is sleeved in the inner plug (3), the outer edge of the upper end of the inner plug clamping ring is provided with a third step (7) protruding outwards, and the lower end face of the third step (7) is in contact with the second step (6); the outer plug (1) is plugged into the inner plug snap ring (2) from the upper end; the inner plug (3) and the outer plug (1) are both made of high polymer elastic materials.
2. The blood collection tube for direct on-machine testing according to claim 1, wherein: and the inner wall of the outer protection ring (4) below the first step (8) is provided with an inward protruding support rib.
3. The blood collection tube for direct on-machine testing according to claim 2, wherein: the lower part of the support rib is an arc surface or an inclined surface inclined upwards from outside to inside.
4. A blood collection tube for direct on-machine testing according to any one of claims 1 to 3, wherein: the outer protection ring (4) and the inner plug snap ring (2) are made of plastic materials.
5. The blood collection tube for direct on-machine testing according to claim 1, wherein: the outer plug (1) consists of a crown part (9) and a lower insertion part (10), and the diameter of the crown part (9) is larger than that of the lower insertion part (10).
6. The blood collection tube for direct on-machine testing according to claim 5, wherein: the outer edge of the bottom of the lower insertion part (10) is provided with a chamfer or a fillet.
7. The blood collection tube for direct on-machine testing according to claim 1, wherein: the inner periphery of the upper end of the inner plug snap ring (2) is provided with a chamfer or a fillet.
8. The blood collection tube for direct on-machine testing according to claim 1 or 7, wherein: the periphery of the lower end of the inner plug snap ring (2) is provided with a chamfer or a fillet.
9. The blood collection tube for direct on-machine testing according to claim 1, 2, 3, 5, 6 or 7, wherein: the bottom thickness of the inner plug (3) is 0.1-3 mm.
10. The blood collection tube for direct on-machine testing according to claim 1, 2, 3, 5, 6 or 7, wherein: the surface roughness of the contact between the inner plug snap ring (2) and the inner plug (3) is larger than that of the contact between the inner plug snap ring and the outer plug (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820827296.8U CN209884162U (en) | 2018-05-30 | 2018-05-30 | Blood sampling tube for direct on-machine detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820827296.8U CN209884162U (en) | 2018-05-30 | 2018-05-30 | Blood sampling tube for direct on-machine detection |
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| Publication Number | Publication Date |
|---|---|
| CN209884162U true CN209884162U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820827296.8U Active CN209884162U (en) | 2018-05-30 | 2018-05-30 | Blood sampling tube for direct on-machine detection |
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| CN (1) | CN209884162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189354A (en) * | 2021-04-30 | 2021-07-30 | 重庆国际旅行卫生保健中心(重庆海关口岸门诊部) | Portable quick blood type is just stereotyped and is detected subassembly |
-
2018
- 2018-05-30 CN CN201820827296.8U patent/CN209884162U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189354A (en) * | 2021-04-30 | 2021-07-30 | 重庆国际旅行卫生保健中心(重庆海关口岸门诊部) | Portable quick blood type is just stereotyped and is detected subassembly |
| CN113189354B (en) * | 2021-04-30 | 2023-09-19 | 重庆国际旅行卫生保健中心(重庆海关口岸门诊部) | Portable quick blood typing detection assembly |
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Address after: 255086 No. 999, Zunxian Road, high tech Zone, Zibo City, Shandong Province Patentee after: Shandong ande medical supplies Co.,Ltd. Address before: No.77, North Road, development zone, high tech Zone, Zibo City, Shandong Province Patentee before: SHINVA ANDE HEALTHCARE APPARATUS Co.,Ltd. |