CN219048513U - Blood collection centrifuging tube - Google Patents
Blood collection centrifuging tube Download PDFInfo
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- CN219048513U CN219048513U CN202223177231.9U CN202223177231U CN219048513U CN 219048513 U CN219048513 U CN 219048513U CN 202223177231 U CN202223177231 U CN 202223177231U CN 219048513 U CN219048513 U CN 219048513U
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Abstract
The utility model discloses a blood collection centrifuge tube, which comprises: the centrifugal tube cover is provided with the blood guide hole in a penetrating mode at the center end of the centrifugal tube cover, the blood guide head is arranged above the blood guide hole, the tail end of the blood taking needle is inserted into the upper end of the through hole in the blood taking process, then the handle is rotated to drive the valve rod to rotate until the cylindrical hole rotates to be in the same vertical straight line position with the blood guide hole, blood can flow into the centrifugal tube through the blood guide hole at the moment, after the blood flows into the centrifugal tube, when a centrifugal experiment needs to be carried out, the handle is rotated to drive the cylindrical hole to rotate to be in a closed state as shown in fig. 3, at the moment, centrifugal operation can be carried out at the moment, after centrifugation, when required layering liquid needs to be extracted, the cylindrical hole is rotated to the same position as the blood taking process, at the moment, a needle head of the extracting needle tube can be inserted into the centrifugal tube, the whole area contacted with air is small, and the risk of pollution can be reduced.
Description
Technical Field
The utility model belongs to the technical field of centrifuge tubes, and particularly relates to a blood collection centrifuge tube.
Background
The centrifugal tube is a device for centrifugal separation of liquid and the like, the general centrifugal tube is a cylindrical hollow tube or a bullet-shaped hollow tube, the centrifugal technology is mainly used for separation and preparation of various biological samples, and suspended micro particles (such as organelles, precipitation of biological macromolecules and the like) are settled at a certain speed under the action of huge centrifugal force when biological sample suspension is placed in the centrifugal tube and rotated at a high speed, so that the suspended micro particles are separated from a solution. In the clinical test of new drugs, especially in the clinical pharmacokinetic study, blood samples are required to be collected at different time points and are centrifugally separated to obtain samples to be tested, and the dynamic law of the absorption, distribution, metabolism and excretion processes of the drugs along with the time is quantitatively described through the measurement of pharmacokinetic parameters.
When adopting ordinary vacuum heparin tube and syringe to sample blood, after the sampling, need open the tube cap of centrifuging tube, then pour blood into to the centrifuging tube in, at the in-process of pouring, the phenomenon that blood splashes often can appear, can with air direct contact moreover, probably cause the pollution. When adopting the vacuum heparin tube that can directly centrifuge after the blood sampling, when the blood sampling is finished, need to draw the layering blood, need open the heparin tube lid, this mode also can cause the pollution with air direct contact, when drawing liquid simultaneously, owing to lack the location to the extractor, in the in-process of drawing, still mix the layering blood easily, influence the precision of layering liquid extraction.
In view of this, a blood collection centrifuge tube is proposed.
Disclosure of Invention
The utility model aims at: in order to solve the problems set forth above, a blood collection centrifuge tube is provided.
The technical scheme adopted by the utility model is as follows: a blood collection centrifuge tube comprising:
the centrifugal tube cover is provided with a blood guide hole in a penetrating way at the central end, a blood guide head is arranged above the blood guide hole on the centrifugal tube cover, a ball body is arranged in a through hole in the penetrating way at the center of the blood guide head, and one end of the ball body is fixedly connected with the valve rod;
a cylindrical hole is formed in the sphere in a penetrating manner;
when the cylindrical hole in the ball body rotates to be positioned on the same vertical straight line position with the blood guide hole, the through hole in the blood guide head is communicated with the blood guide hole.
In a preferred embodiment, anti-skid patterns are uniformly distributed on the outer peripheral surface of the centrifugal tube cover, and the lower end of the centrifugal tube cover is installed on the centrifugal tube in a threaded manner.
In a preferred embodiment, the outer surface of the centrifuge tube is provided with graduations and labels, and the anticoagulant is filled in the centrifuge tube.
In a preferred embodiment, the inner peripheral surface of the centrifugal tube cover is fixedly provided with an internal thread, and the outer peripheral surface of the upper end of the centrifugal tube is provided with an external thread corresponding to the internal thread in the centrifugal tube cover.
In a preferred embodiment, one end of the valve rod extends to the outer side of the blood guiding head and is fixedly connected with the handle, one end of the ball away from the valve rod is connected with the connecting rod, and the tail end of the connecting rod is connected with a bearing arranged in the blood guiding head.
In a preferred embodiment, the connecting rod and the connecting part of the valve rod and the blood guide head are matched and provided with sealing rings, and the upper peripheral surface of the through hole is provided with positioning grooves.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. in the utility model, in the blood sampling process, the tail end of the blood sampling needle is inserted into the upper end of the through hole, blood can flow into the centrifuge tube through the blood guide hole, after the blood is extracted, the handle is rotated until the centrifuge tube is in a closed state, and the centrifuge tube can be directly placed on the centrifuge for centrifugal operation, so that the time for transferring the blood sampling tube to the centrifuge tube is reduced, and the overall operation rate is improved.
2. According to the utility model, the handle can be rotated according to actual requirements in the processes of blood sampling, centrifugation and sampling, and the tube cover does not need to be detached in the processes of sampling and blood sampling, so that the contact area of the whole body and air can be reduced, the risk of pollution can be reduced, and the detection precision is improved.
Drawings
FIG. 1 is a schematic perspective view of the whole structure of the present utility model;
FIG. 2 is a schematic illustration of the overall cross-sectional plan construction of the present utility model;
fig. 3 is a schematic diagram of an enlarged structure at a in the present utility model.
The marks in the figure: 101-positioning groove, 102-blood guiding head, 103-anti-skid pattern, 104-handle, 105-centrifuge tube cover, 106-scale, 107-centrifuge tube, 108-label, 109-anticoagulant, 110-cylindrical hole, 111-blood guiding hole, 112-sphere, 113-sealing ring and 114-valve rod.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-3, a blood collection centrifuge tube, comprising: the centrifugal tube cover 105 is provided with a blood guide hole 111 in a penetrating mode at the center end, the centrifugal tube cover 105 arranged above the blood guide hole 111 is provided with a blood guide head 102, a through hole penetrating through the center of the blood guide head 102 is internally provided with a ball 112, one end of the ball 112 is fixedly connected with a valve rod 114, one end of the valve rod 114 extends to the outer side of the blood guide head 102 and is fixedly connected with a handle 104, the ball 112 is provided with a cylindrical hole 110 in a penetrating mode, when the cylindrical hole 110 in the ball 112 rotates to be in the same vertical straight line position with the blood guide hole 111, the through hole in the blood guide head 102 is communicated with the blood guide hole 111, the tail end of a blood taking needle is inserted into the upper end of the through hole in the blood taking process, blood can flow into a centrifugal tube 107 through the blood guide hole 111, after the blood is taken out, the handle 104 is rotated until the centrifugal tube 107 is in a closed state, and at the moment, the blood taking tube 107 is directly put into the centrifugal tube for centrifugal operation, time between the blood taking tube and the centrifugal tube 107 is transferred to the centrifugal tube is shortened, and the whole operation speed is improved.
In the process of blood sampling with the negative pressure and the syringe, the whole area contacted with air is small, and the risk of pollution can be reduced.
Referring to fig. 1, anti-slip patterns 103 are uniformly distributed on the outer circumferential surface of a centrifugal tube cover 105, the lower end of the centrifugal tube cover 105 is mounted on a centrifugal tube 107 through threads, and the provided anti-slip patterns 103 can ensure the stability of holding the centrifugal tube 107 and reduce the risk of careless slipping.
Referring to fig. 1 and 2, a scale 106 and a label 108 are provided on the outer surface of the centrifuge tube 107, and the current amount of blood in the centrifuge tube 107 can be checked by the scale 106.
The anticoagulant 109 is contained in the centrifuge tube 107, and the blood in the centrifuge tube 107 can be prevented from being coagulated by the anticoagulant 109, and after the post-centrifugation, the blood can be detected for the plasma.
Referring to fig. 2, the inner peripheral surface of the centrifuge tube cover 105 is fixedly provided with an internal thread, and the outer peripheral surface of the upper end of the centrifuge tube 107 is provided with an external thread corresponding to the internal thread in the centrifuge tube cover 105, and when the centrifuge tube cover 105 and the centrifuge tube 107 need to be separated, the centrifuge tube cover 105 may be directly screwed out.
In this embodiment, one end of the ball 112 far away from the valve rod 114 is connected with a connecting rod, the tail end of the connecting rod is connected with a bearing installed in the blood guiding head 102, and the auxiliary guiding function can be achieved for the rotation of the ball 112 through the connecting rod and the bearing.
Wherein the valve stem 114 is threaded.
Referring to fig. 3, a sealing ring 113 is mounted on the connecting rod and the valve rod 114 in cooperation with the connecting portion of the blood guide 102, and the sealing effect of the connecting rod and the valve rod 114 on the connecting portion of the blood guide 102 can be ensured by the sealing ring 113.
Referring to fig. 1 and 3, the upper circumferential surface of the through hole is provided with a positioning groove 101, wherein the positioning groove 101 is identical to the protruding shape of the needle head of the injector and the protruding shape of the needle head of the tail end of the blood taking needle, and when the blood taking needle and the injector are installed, the blood taking needle and the injector can be positioned in an auxiliary manner, so that the stability in assembly is improved.
When the negative pressure blood sampling is carried out, the centrifuge tube can be pumped into negative pressure before use, so that the negative pressure blood sampling operation during the assembly with the blood sampling needle is met.
In the blood sampling process, insert the tail end of blood taking needle or syringe to the through-hole upper end, then rotate handle 104, drive valve rod 114 rotation at pivoted in-process, until cylinder hole 110 rotates to be in same vertical straight line position with the hole 111 that leads blood, blood alright flow into centrifuging tube 107 through leading blood hole 111 this moment, after flowing into, when needing to carry out centrifugal experiment, rotate handle 104 this moment, drive cylinder hole 110 and rotate and be shown as fig. 3, be in the confined state in centrifuging tube 107 this moment, alright centrifugal operation this moment, after centrifuging, when needing to extract required layering liquid, rotate into cylinder hole 110 on the same position when taking blood, can insert the syringe needle of drawing needle tube in centrifuging tube 107 this moment, alright extract wanted liquid, whole and the area of air contact is little, can reduce the risk of receiving the pollution, moreover, can fix a position the syringe needle of drawing needle through constant head 101, the extraction effect of layering blood has been guaranteed.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. A blood collection centrifuge tube, comprising:
the centrifugal tube cover (105) is provided with a blood guide hole (111) in a penetrating mode at the center end of the centrifugal tube cover (105), the upper portion of the blood guide hole (111) is provided with a blood guide head (102) on the centrifugal tube cover (105), a ball body (112) is arranged in a through hole penetrating through the center of the blood guide head (102), and one end of the ball body (112) is fixedly connected with a valve rod (114);
a cylindrical hole (110) is formed in the sphere (112) in a penetrating manner;
when the cylindrical hole (110) in the sphere (112) rotates to be positioned on the same vertical straight line position as the blood guide hole (111), the through hole in the blood guide head (102) is communicated with the blood guide hole (111).
2. The blood collection centrifuge tube of claim 1, wherein: anti-skid patterns (103) are uniformly distributed on the outer peripheral surface of the centrifugal tube cover (105), and the lower end of the centrifugal tube cover (105) is installed on the centrifugal tube (107) through threads.
3. The blood collection centrifuge tube of claim 2, wherein: the outer surface of the centrifuge tube (107) is provided with a scale (106) and a label (108), and the anticoagulant (109) is filled in the centrifuge tube (107).
4. A blood collection centrifuge tube as recited in claim 3, wherein: the inner peripheral surface of the centrifugal tube cover (105) is fixedly provided with an internal thread, and the outer peripheral surface of the upper end of the centrifugal tube (107) is provided with an external thread corresponding to the internal thread in the centrifugal tube cover (105).
5. The blood collection centrifuge tube of claim 1, wherein: one end of the valve rod (114) extends to the outer side of the blood guiding head (102) and is fixedly connected with the handle (104), one end of the sphere (112) away from the valve rod (114) is connected with a connecting rod, and the tail end of the connecting rod is connected with a bearing arranged in the blood guiding head (102).
6. The blood collection centrifuge tube of claim 5, wherein: the connecting rod and the valve rod (114) are matched with the connecting part of the blood guide head (102) to be provided with a sealing ring (113), and the upper peripheral surface of the through hole is provided with a positioning groove (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223177231.9U CN219048513U (en) | 2022-11-29 | 2022-11-29 | Blood collection centrifuging tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223177231.9U CN219048513U (en) | 2022-11-29 | 2022-11-29 | Blood collection centrifuging tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219048513U true CN219048513U (en) | 2023-05-23 |
Family
ID=86369879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223177231.9U Active CN219048513U (en) | 2022-11-29 | 2022-11-29 | Blood collection centrifuging tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219048513U (en) |
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2022
- 2022-11-29 CN CN202223177231.9U patent/CN219048513U/en active Active
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