CN207734170U - A kind of double-deck centrifugation blood sampling casing - Google Patents
A kind of double-deck centrifugation blood sampling casing Download PDFInfo
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- CN207734170U CN207734170U CN201720541427.1U CN201720541427U CN207734170U CN 207734170 U CN207734170 U CN 207734170U CN 201720541427 U CN201720541427 U CN 201720541427U CN 207734170 U CN207734170 U CN 207734170U
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- centrifugation
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Abstract
The utility model discloses a kind of double-deck centrifugation blood sampling casings, the blood sampling casing includes vacuum blood collection inner tube (1) and centrifugation outer tube (2), locating piece (3) is equipped in the centrifugation outer tube (2), inner tube of taking a blood sample (1) is arranged in locating piece (3), it centrifuges outer tube (2) upper end and is equipped with outer cover (4), blood sampling inner tube (1) is equipped with inner cover (6).Vacuum blood collection tube provided by the utility model is simple in structure, easy to use, easy to spread, can effectively avoid germ contamination blood, avoids influencing blood test；Meanwhile the utility model can solve the problems, such as to restore normal pressure inside heparin tube, not needing capping can realize.Existing common vacuum blood collection tube and vacuum blood collection inner tube provided by the utility model can be matched with centrifugation outer tube, produce the blood sampling casing with different function.
Description
Technical field
The utility model belongs to heparin tube technical field more particularly to a kind of double-deck centrifugation blood sampling casing.
Background technology
Vacuum blood collection tube is a kind of heparin tube of negative pressure of vacuum, and a large amount of uses and the preservation of blood of self-reacting device are to blood
More stringent requirements are proposed for sample original traits stability, and vacuum blood drawing technique is made to breach only for the requirement of safety, accurate
True property, sample original traits, hold time and the performance indicators such as the cooperation of pipe machine, test tube intensity all can serve as to evaluate vacuum and adopt
The foundation of vascular tone.
After doctor is using vacuum blood collection tube blood drawing, control laboratory of then taking away is examined.The first step of checkout procedure would generally
Vacuum blood collection tube is put into centrifuge, due to that can not accomplish that thorough disinfection sterilizes inside centrifuge, is adopted after heparin tube centrifugation
Blood vessel inevitably carries bacterium, or even can pollute the blood inside heparin tube, influences inspection result.
In addition before carrying out blood sample analysis, vacuum blood collection tube is placed in automatic centrifuge and centrifuges, and needs to take supernatant after centrifugation
Liquid, but how pressure release becomes problem.In order to solve this problem at present tend to research vacuum blood collection tube how capping
Carry out pressure release.
Application No. is the Chinese patents of CN201120337061.9 to disclose a kind of vacuum blood collection tube cap opener, including vacuum
Heparin tube cap opener is made of it is characterized in that the device is made of stainless steel bottom and shank.Bottom can place vacuum and adopt
Blood vessel, and vacuum blood collection tube lid is blocked.Finger pushes track by shank and fixes vacuum blood collection tube lid on top, at present
It moves the test tube part of vacuum blood collection tube and reaches opening purpose.It is sampled using a large amount of vacuum blood collection tube in hospital, manual capping
Pressure release is less efficient, is not suitable for promoting the use of.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of double-deck centrifugation blood sampling casing.The vacuum blood collection tube
Can solve the problems, such as germ contamination in preservation and centrifugal process after blood sampling, at the same opened after centrifuging port lid can pressure release,
It is easy to use.
The technical solution of the utility model is as follows：A kind of double-deck centrifugation blood sampling casing, the blood sampling casing includes that vacuum is adopted
Blood inner tube 1 and centrifugation outer tube 2, the centrifugation outer tube 2 is interior to be equipped with locating piece 3, and blood sampling inner tube 1 is arranged in locating piece 3, outside centrifugation
2 upper end of pipe is equipped with outer cover 4, and blood sampling inner tube 1 is equipped with inner cover 6.
Further, the locating piece 3 is locating ring or positioning protrusion structure.Blood sampling inner tube can be fixed on locating piece
In, it can also be extracted from locating piece, to be detached with centrifugation outer tube.Locating piece in addition to for locating ring and positioning protrusion structure with
Outside, it can also be other connection structures, as long as can ensure that it is detachable connection mode to take a blood sample inner tube and centrifuge outer tube.
Further, the blood sampling inner tube 1 is higher than 0.5~1.5cm of centrifugation outer tube.
Further, the interior cover area of the corresponding blood sampling inner tube in 4 center of the outer cover is equipped with rubber pad 7.Do not opening pipe lid
On the basis of, needle tubing can be stabbed draws blood into rubber stopper and blood sampling inner tube lid, ensures to be germ-free condition inside entire heparin tube.
Further, the centrifugation outer tube 2 is transparence；It can be seen that in inner tube blood the amount of taking, and blood drawing when
Blood drawing amount can be seen.It is equipped with label and scale in the centrifugation outer tube 2 and blood sampling inner tube 1.
Further, the centrifugation outer tube 2 is equipped with sliding slot 5, and the vernier plate that can be slided up and down, trip are equipped in sliding slot 5
Target is equipped with the scale of level altitude, may be configured as two scales of 0.5cm, 0.8cm or 1.0cm height, can be with when production
It carries out pre-setting height as needed.
Due to containing separation gel in heparin tube, after centrifugation, serum is located at the top of separation gel, and haemocyte is located at separation gel
Lower section.The serum for requiring to extract certain volume above separation gel after centrifugation, the position of separation gel is not in the heparin tube of different patients
Together, the height of extraction is not fixed, and separation gel and serum color are close, it is not easy to be extracted.To solve this problem, this practicality
Novel that vernier plate can be slided into serum position, the high scale of wherein vernier plate corresponds to liquid level, and the position where lower scale is
The lower limit of serum deprivation, the height between upper and lower scale are the height of serum to be extracted.
Further, 6 center setting needle tubing hole 9 of the inner cover, relief hole 8 is arranged in 9 side of needle tubing hole, is set in relief hole 8
There are filter membrane 10,8 upper end of relief hole to be equipped with port lid 11.
Further, the needle tubing hole 9 is embedded in inner cover, air tight, and material is rubber；The material of the heparin tube lid
For plastics and/or resin.
Further, 8 a diameter of 0.5~3mm of the relief hole；Relief hole 8 is internally provided with two layers of filter membrane pad, filter membrane pad it
Between be equipped with filter membrane, filter membrane pad have gas permeability.The filter membrane 10 is acidproof sodium filter membrane.
Further, 2 bottom of centrifugation outer tube is flat or round bottom.Preferably, centrifugation outer pipe bottom is set as flat
Bottom.Entire vacuum blood collection tube can be stood on the table using flat setting, avoids using rack for test tube, save experiment equipment.
The operation principle of the utility model is as follows：It is asked to solve heparin tube germ contamination in the preservation and centrifugal process
Topic, the utility model increase centrifugation outer tube 2 on the basis of vacuum blood collection tube, locating piece 3, vacuum are equipped in centrifugation outer tube 2
Blood sampling inner tube 1, which is inserted into locating piece 3, to be fixed, and can also be taken out, and is avoided blood sampling inner tube 1 from being vibrated in centrifuging outer tube 2 and is shaken
It shakes, it is easy to use.Since the interior cover area of the corresponding blood sampling inner tube in 4 center of outer cover is rubber stopper, therefore needle tubing is directly inserted into
It is inserted into the needle tubing hole in inner cover center that blood was collected after outer cover again, needle tubing is extracted after blood sampling, take laboratory centrifugation, revolved after centrifugation
Over pipe pipe lid, will blood sampling inner tube detached with outer tube, avoid germ contamination take a blood sample inner tube.
Existing conventional vacuum heparin tube can with centrifugation outer tube match, but further be solve vacuum blood collection tube from
After the heart, blood sampling inner tube need to be restored the problem of normal pressure could be drawn blood, rubber plug needle tubing hole 9 is arranged in the utility model in inner cover
With relief hole 8.8 top of relief hole is equipped with port lid 11, and port lid 11 seals and covers 8 aperture of relief hole before taking a blood sample, and after centrifugation, opens hole
Lid 11, air enter through relief hole 8 in blood sampling inner tube, and to prevent bacterium from entering in heparin tube, the utility model is in relief hole 8
Filter membrane 10 is set, and air enters back into blood sampling inner tube after membrane filtration to which the inner tube that will take a blood sample restores normal pressure.Not needing will be whole
A heparin tube lid is sloughed, and can be drawn blood.It is easy to use, use easy to spread.
Compared with prior art, the utility model has the advantages that：Vacuum blood collection tube provided by the utility model
It is simple in structure, it is easy to use, it is easy to spread, germ contamination blood can be effectively avoided, avoids influencing blood test；Meanwhile this
Utility model can solve the problems, such as recovery normal pressure inside heparin tube, and not needing capping can realize.Existing common vacuum is adopted
Blood vessel and vacuum blood collection inner tube provided by the utility model can be matched with centrifugation outer tube, be produced with different work(
The blood sampling casing of energy.
Description of the drawings
Fig. 1 is the longitudinal sectional view for the vacuum blood collection tube that embodiment 1 provides；
Fig. 2 is the structure chart of locating piece (locating ring)；
The structural schematic diagram of the positions Fig. 3 locating piece (notch locating ring)；
Fig. 4 is the structural schematic diagram for the vacuum blood collection tube that embodiment 2 provides；
Fig. 5 is the structural schematic diagram for the vacuum blood collection tube (removal rubber pad) that embodiment 2 provides；
Fig. 6 is the structural schematic diagram for the vacuum blood collection tube that embodiment 3 provides；
Fig. 7 is the structural schematic diagram for the inner cover that embodiment 3 provides；
Fig. 8 is the structural schematic diagram for the blood sampling inner tube that embodiment 3 provides；
Fig. 9 is the A-A sectional views of Fig. 8；
Figure 10 is the longitudinal sectional view for the vacuum blood collection tube that embodiment 3 provides；
Figure 11 is the structural schematic diagram of locating piece in embodiment 3；
It is marked in figure：1- blood sampling inner tubes, 2- centrifuge outer tube, 3- locating pieces, 4- outer covers, 5- sliding slots, 6- inner covers, 7- rubber
Pad, 8- relief holes, 9- needle tubings hole, 10- filter membranes, 11- port lids, 12- vernier plates.
Specific implementation mode
The technical solution of the utility model is described in further details with reference to specific embodiment, but the utility model
It is not limited to following technical scheme.
Embodiment 1
As depicted in figs. 1 and 2, the blood sampling casing includes vacuum blood collection inner tube 1 and centrifugation outer tube 2, the centrifugation outer tube 2
Interior to be equipped with locating piece 3, blood sampling inner tube 1 is arranged in locating piece 3, and 2 upper end of centrifugation outer tube is equipped with outer cover 4, and blood sampling inner tube is equipped with
Inner cover 6, the region that 4 center of outer cover corresponds to inner cover 6 is rubber pad 7.It is equipped with label and quarter in centrifugation outer tube 2 and blood sampling inner tube 1
Degree.Centrifugation outer tube 2 is transparent configuration, and bottom is flat.Locating piece 3 is locating ring, and locating ring is made of soft elastic material,
See Fig. 2.Locating ring is annular shape in Fig. 2, also can circular locating ring be internally provided with notch, see Fig. 3.
The double hose heparin tube use process is as follows：Blood sampling inner tube 1 and centrifugation outer tube 2 are made when producing heparin tube
Integral structure, needle tubing is inserted directly into outer cover and inner cover that blood was collected when blood sampling, and blood sampling inner tube 1 is vacuum structure, and inside is equipped with
Suitable additive.Needle tubing is extracted after blood sampling, takes laboratory centrifugation, and the outer cover of unscrewing centrifugation outer tube after centrifugation will be in blood sampling
Pipe is detached with centrifugation outer tube.
Embodiment 2
On the basis of embodiment 1, the centrifugation outer tube 2 is equipped with sliding slot 5, and vernier plate 12, sliding slot 5 are equipped in sliding slot 5
Interior to be equipped with guide rail, vernier plate 12 can slide up and down along guide rail, and vernier plate 12 is equipped with the scale of level altitude, see Fig. 4 and
Fig. 5.
The vernier plate use process is as follows：Contain separation gel in blood sampling inner tube 1, after centrifugation, serum is located at separation gel
Top, haemocyte is located at the lower section of separation gel.The serum that certain volume above extraction separation gel is required after centrifugation, by vernier plate
Serum position is slided into, the high scale of wherein vernier plate corresponds to liquid level, and the position where lower scale is the lower limit of serum deprivation, up and down
Height between scale is the height of serum to be extracted.
Embodiment 3
As shown in Fig. 6~Figure 11, on the basis of embodiment 2, relief hole 8 and needle tubing hole 9, relief hole 8 are set on inner cover 6
In be equipped with filter membrane 10,8 upper end of relief hole be equipped with port lid 11, port lid material can be rubber.Needle tubing hole 9 is embedded in heparin tube lid
On, air tight, material is rubber.The material of heparin tube lid is plastics or resin.
8 a diameter of 0.5~3mm of the relief hole.The relief hole 8 is internally provided with two layers of filter membrane pad, is set between filter membrane pad
There are filter membrane, filter membrane pad that there is gas permeability；Filter membrane 10 is acidproof sodium filter membrane.
Locating piece 3 is positioning protrusion structure in the present embodiment, sees Figure 11.3 convexes are set in centrifugation 2 inner wall of outer tube
Structure is played, blood sampling inner tube 1 is arranged in 3 positioning protrusion mechanisms, and it is round bottom that outer pipe bottom is centrifuged in the present embodiment.
The inner cover (heparin tube lid) use process is as follows：Needle tubing hole 9 is arranged in inner cover center, and needle tubing hole 9 is relatively entire
Heparin tube lid is said relatively thin, concaves towards setting downwards；Heparin tube covers reserved relief hole 8, and filter membrane 10 is placed in two layers of filter membrane pad, then
The sealing of filter membrane pad is placed in relief hole 8, mating sealing port lid 11 is set on relief hole 8, then by inner cover and blood sampling inner tube
It matches.In use, in needle tubing stamp inserting needle pore 9, relief hole 8 is covered by sealing, blood drawing finishes, centrifuge after, opening port lid
11, air is entered by relief hole 8 in blood sampling inner tube 1 after membrane filtration, pressure release is completed, convenient for extracting supernatant from pipe.
Claims (10)
1. a kind of double-deck centrifugation blood sampling casing, which is characterized in that the blood sampling casing includes that vacuum blood collection inner tube (1) and centrifugation are outer
It manages (2), locating piece (3) is equipped in the centrifugation outer tube (2), blood sampling inner tube (1) is arranged in locating piece (3), centrifuges outer tube (2)
Upper end is equipped with outer cover (4), and blood sampling inner tube (1) is equipped with inner cover (6).
2. the double-deck centrifugation blood sampling casing as described in claim 1, which is characterized in that the locating piece (3) is locating ring or determines
Position bulge-structure.
3. the double-deck centrifugation blood sampling casing as described in claim 1, which is characterized in that the blood sampling inner tube (1) is outer higher than centrifugation
Manage (2) 0.5~1.5cm.
4. the double-deck centrifugation blood sampling casing as described in claim 1, which is characterized in that in the corresponding blood sampling in outer cover (4) center
The interior cover area for managing (1) is equipped with rubber pad (7).
5. the double-deck centrifugation blood sampling casing as described in claim 1, which is characterized in that the centrifugation outer tube (2) is transparence；From
It is equipped with label and scale in heart outer tube (2) and blood sampling inner tube (1).
6. the double-deck centrifugation blood sampling casing as described in claim 1, which is characterized in that the centrifugation outer tube (2) is equipped with sliding slot
(5), the vernier plate (12) that can be slided up and down is equipped in sliding slot (5), vernier plate (12) is equipped with the scale of level altitude.
7. the double-deck centrifugation blood sampling casing as described in claim 1~6 is any, which is characterized in that inner cover (6) center setting
Needle tubing hole (9), needle tubing hole (9) side are arranged relief hole (8), are equipped with filter membrane (10) in relief hole (8), relief hole (8) upper end is set
There is port lid (11).
8. the double-deck centrifugation blood sampling casing as claimed in claim 7, which is characterized in that the needle tubing hole (9) is embedded in inner cover,
Air tight, material is rubber.
9. the double-deck centrifugation blood sampling casing as claimed in claim 7, which is characterized in that the relief hole (8) a diameter of 0.5~
3mm；Relief hole (8) is internally provided with two layers of filter membrane pad, and filter membrane is equipped between filter membrane pad, and filter membrane pad has gas permeability；The filter membrane
(10) it is acidproof sodium filter membrane.
10. the double-deck centrifugation blood sampling casing as claimed in claim 7, which is characterized in that centrifugation outer tube (2) bottom is flat
Or round bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720541427.1U CN207734170U (en) | 2017-05-16 | 2017-05-16 | A kind of double-deck centrifugation blood sampling casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720541427.1U CN207734170U (en) | 2017-05-16 | 2017-05-16 | A kind of double-deck centrifugation blood sampling casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207734170U true CN207734170U (en) | 2018-08-17 |
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ID=63113692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720541427.1U Active CN207734170U (en) | 2017-05-16 | 2017-05-16 | A kind of double-deck centrifugation blood sampling casing |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109077738A (en) * | 2018-09-04 | 2018-12-25 | 佛山市禅城区热拉空间生物科技有限公司 | A kind of cooling-down type bloodletting instrument of internal medicine |
| CN111841679A (en) * | 2020-08-26 | 2020-10-30 | 四川省肿瘤医院 | Centrifuge tube with double-layer structure |
-
2017
- 2017-05-16 CN CN201720541427.1U patent/CN207734170U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109077738A (en) * | 2018-09-04 | 2018-12-25 | 佛山市禅城区热拉空间生物科技有限公司 | A kind of cooling-down type bloodletting instrument of internal medicine |
| CN111841679A (en) * | 2020-08-26 | 2020-10-30 | 四川省肿瘤医院 | Centrifuge tube with double-layer structure |
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