CN207266714U - Vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure - Google Patents
Vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure Download PDFInfo
- Publication number
- CN207266714U CN207266714U CN201720083974.XU CN201720083974U CN207266714U CN 207266714 U CN207266714 U CN 207266714U CN 201720083974 U CN201720083974 U CN 201720083974U CN 207266714 U CN207266714 U CN 207266714U
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- CN
- China
- Prior art keywords
- cap
- rubber stopper
- blood collection
- rubber plug
- collection tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000008280 blood Substances 0.000 title claims abstract description 59
- 210000004369 blood Anatomy 0.000 title claims abstract description 59
- 230000002265 prevention Effects 0.000 title claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 38
- 230000000712 assembly Effects 0.000 claims abstract description 18
- 238000000429 assembly Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 31
- 230000003467 diminishing effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 5
- 208000015181 infectious disease Diseases 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229960002897 heparin Drugs 0.000 description 2
- 229920000669 heparin Polymers 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010018910 Haemolysis Diseases 0.000 description 1
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 229940127219 anticoagulant drug Drugs 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 238000010241 blood sampling Methods 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008588 hemolysis Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The utility model belongs to the field of medical instrument technology, is related to disposable blood collection and hold-up vessel, particularly a kind of vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure.The utility model solves vacuum blood collection tube majority currently on the market there are nurse when opening lid, and protective cap and rubber plug can separate, and blood can pollute the gloves of nurse on rubber plug, the problem of causing unnecessary infection risk to nurses.The utility model includes test tube and the cap assemblies to match with test tube, the cap assemblies include cap and rubber stopper, the both ends of the cap are respectively provided with opening portion, rubber stopper is inserted into cap from the opening portion at the top of cap and is connected and fixed with cap, when rubber stopper is inserted into test tube, the rubber stopper is interference fitted with inboard wall of test tube.The utility model rubber plug is by loading suitable for reading, during pulling out lid be not in protective cap and lid separates the problem of, reduces the risk of blood sample infection medical staff.
Description
Technical field
The utility model belongs to the field of medical instrument technology, is related to disposable blood collection and hold-up vessel, particularly one
Vacuum blood collection tube of the kind with upper pressure type rubber plug disconnecting prevention structure.
Background technology
Vacuum blood collection tube is to be applied to clinical inspection in recent years to take blood new product, compared with traditional blood collection needle
Compared with vacuum blood collection tube has the following advantages.1st, clean safety, totally-enclosed system, the safety head of ingehious design is to patient, nurse
And docimaster is farthest to protect.2nd, accurately and reliably, enough blood is ensured, anti-coagulants ratio is accurate；Vacuum is accurate；Avoid
Polluted in operation, inspection more trusts.3rd, economical and effective, reduces the flase drop caused by the abnormal blood coagulation of haemolysis, then examines, and reduces and suffers from
The pain that person is drawn blood again by specimen quality problem, can directly go up machine, reduce unnecessary operation.
Vacuum blood collection tube is by test tube, rubber plug, protective cap three parts composition, the most presence of vacuum blood collection tube currently on the market
Nurse is when opening lid (protective cap and rubber plug composition lid), the problem of protective cap and rubber plug can separate, blood on such rubber plug
Liquid can pollute the gloves of nurse, and unnecessary infection risk is caused to nurses.
For example, Chinese patent literature discloses a kind of vacuum blood collection tube, [application number：201310045413.7], it is recorded
Vacuum blood collection tube opening on be cased with rubber plug and tube cover successively, there is clean safety compared with traditional syringe, accurately may be used
Lean on, the advantages of economical and effective, there is the preferable ability for keeping vacuum so that the blood sample wherein stored will not be because of oxygen
Change and be denatured.
But do not recorded in such scheme any to prevent rubber plug from skidding off the limits device set from tube cover.Though
The tube cover that so its record uses is integrally formed with rubber plug, but due to being in vacuum state in heparin tube, has pressure with external environment
Force difference, therefore in use, still with larger the problem of being likely to occur tube cover and rubber plug separation.
The content of the invention
The purpose of this utility model is adopted in view of the above-mentioned problems, providing a kind of vacuum with upper pressure type rubber plug disconnecting prevention structure
Blood vessel.
To reach above-mentioned purpose, the utility model employs following technical proposal：One kind has upper pressure type rubber plug anticreep knot
The vacuum blood collection tube of structure, including test tube and the cap assemblies that match with test tube, the cap assemblies include cap and rubber
Plug, the both ends of the cap are respectively provided with opening portion, and rubber stopper is inserted into from the opening portion at the top of cap in cap and and cap
Connect and fix, when rubber stopper is inserted into test tube, the rubber stopper is interference fitted with inboard wall of test tube.
In the above-mentioned vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure, it is in annulus to have inside the cap
Shape and the locating ring for protruding from cap inner wall, have on the rubber stopper outer wall and match in circular and size with locating ring
Positioning step, the positioning step is fastened on locating ring so that rubber stopper and cap are engaged by clamping.
In the above-mentioned vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure, the rubber stopper includes being integrally formed
Access Division and sealing, wherein sealing be inserted into by the opening portion at the top of cap in cap and pass through locating ring, positioning table
Component level is in Access Division bottom, and Access Division is pressed on locating ring and Access Division is interference fitted with cap inner wall.
In the above-mentioned vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure, the company of the Access Division and sealing
The annular slot that place is equipped with connection positioning step is connect, the thickness of the annular slot and the thickness of locating ring match, and work as Access Division
When being pressed on locating ring, locating ring is snapped onto in annular slot.
In the above-mentioned vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure, the inner wall of the locating ring has edge
Direction internal diameter diminishing arc angling of the Access Division toward sealing.
In the above-mentioned vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure, the sealing, cap and positioning
The sealing space to be formed for accommodating test tube end is enclosed in cyclization, when test tube is inserted into sealing space, the sealing with
Inboard wall of test tube is interference fitted.
In the above-mentioned vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure, the cap bottom inner wall has one
A guide part in cabochon, the internal diameter of the guide part from cap bottom toward cap at the top of direction taper into.
In the above-mentioned vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure, the cap top inner wall is to cap
Direction of axis line protrusion so as to forming a rubber stopper stop ring in a ring, it is described when rubber stopper is inserted into cap
Rubber stopper stop ring snap onto in rubber stopper.
In the above-mentioned vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure, one is equipped with the top of the rubber stopper
Tamponade location hole to rubber stopper inner recess.
In the above-mentioned vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure, the tamponade location hole is positioned at clamping
In portion and bottom is in cabochon.
Compared with prior art, the utility model has the advantage of：
1st, the limiting mechanism of multiple mutual cooperations is provided with cap and rubber stopper, is occurred relatively for limiting rubber stopper
The downward relative motion of cap, so as to avoid vacuum blood collection tube from occurring cap and rubber plug separation in use, solves glue
The gloves or external environment condition of the nurse of blood pollution beyond the Great Wall, the problem of causing unnecessary infection risk to nurses.
2nd, cap is internally provided with locating ring, the inwall processing of locating ring have direction internal diameter along Access Division toward sealing by
Tapered small arc angling, this causes when fabricating cap assemblies, can convenient, uniformly determine the position of rubber stopper, subtract
Suffered resistance, reduces rubber stopper and is damaged during processing and manufacturing when small rubber plug is through locating ring arrival precalculated position
Bad risk so that the process for manufacturing this kind of cap assemblies is easier, quick.
3rd, Access Division and the junction of sealing are equipped with the annular slot of connection positioning step, the thickness of the annular slot with
The thickness of locating ring matches, so that the relative position of fixed rubber stopper and cap, avoids producing less opposite slip so that
When in use, the sealing of rubber stopper can be completely embedded into test tube, improve the ability that vacuum blood collection tube keeps vacuum.Sealing
With inboard wall of test tube using being interference fitted, the ability that vacuum blood collection tube keeps vacuum is further increased.
4th, the internal diameter of guide part from cap bottom toward cap at the top of direction it is gradually smaller design easy to rubber stopper be inserted into
Test tube；Rubber stopper Access Division is equipped with a bottom to rubber stopper inner recess and causes syringe needle more in the tamponade location hole of cabochon
It is easy to pierces through rubber stopper.So the utility model is using upper also more convenient compared with the prior art.
Brief description of the drawings
Fig. 1 is explosive view provided by the utility model,
Fig. 2 is structure diagram when the utility model is used,
Fig. 3 is the structure diagram of rubber stopper,
Fig. 4 is the structure diagram of cap assemblies,
Fig. 5 is the structure diagram of cap.
In figure：Test tube 1, cap assemblies 2, locating ring 3, positioning step 4, annular slot 5, arc angling 6, sealing space 7,
Guide part 8, stop ring 9, tamponade location hole 10, cap 21, rubber stopper 22, Access Division 221, sealing 222.
Embodiment
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
With reference to shown in Fig. 1 and Fig. 4, a kind of vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure, including test tube 1 and with
The cap assemblies 2 that test tube 1 matches, it is characterised in that the cap assemblies 2 include cap 21 and rubber stopper 22, described
The both ends of cap 21 are respectively provided with opening portion, and the opening portion 21a at rubber stopper 22 from the top of cap 21 is inserted into cap 21 and and cap
Lid 21 connects and fixes, and when rubber stopper 22 is inserted into test tube 1, the rubber stopper 22 is interference fitted with 1 inner wall of test tube.
This has vacuum blood collection tube of upper pressure type rubber plug disconnecting prevention structure, by connecting and fixing for rubber stopper 22 and cap 21,
So that cap assemblies 2, when extracting test tube 1, cap 21 is capable of providing rubber stopper 22 one and extracts direction phase with cap assemblies 2
Same power, so that limiting rubber stopper occurs the downward relative motion of opposite cap, avoids that cap occurs and rubber stopper occurs to divide
From the problem of.
Preferably, the limiting mechanism of multiple mutual cooperations can be set in cap assemblies 2, further limit rubber stopper
The relative motion downward with respect to cap.
It is interference fitted as shown in figure 4, Access Division 221 is used with 21 inner wall of cap so that cap 21 produces Access Division 221
One extruding force for being directed toward 21 axle center of cap, increases the frictional force between 21 inner wall of Access Division 221 and cap.
21 top inner wall of cap is engaged to the direction of axis line protrusion of cap 21 so as to form a rubber stopper in a ring
Ring 9, when rubber stopper 22 is inserted into cap 21, the rubber stopper stop ring 9 is snapped onto in rubber stopper 22.The application is to this
The quantity of limiting structure does not limit, and can be one or multiple；Specific manifestation form to the limiting structure is not yet
Limit, can be the discrete point of annular or protrusion, as long as rubber stopper 22 and cap 21 both it can be increased
Between frictional force or be capable of providing when relative motion occurs in both one obstruction relative motion power.
Set it will be appreciated by those skilled in the art that there is the vacuum blood collection tube of upper pressure type rubber plug disconnecting prevention structure can add for this
Limiting mechanism different, in varying numbers is put, as long as can further limit rubber stopper occurs the downward relative motion of opposite cap
.
With reference to shown in Fig. 4 and Fig. 5, cap 21 is internally provided with locating ring 3, and positioning step 4 is fastened on locating ring 3, therefore
During cap assemblies 2 are fabricated, it can conveniently, uniformly determine the position of rubber stopper 22, save process time；By
It is inserted into current manufacturing procedure using sealing 222 by the opening portion 21a at the top of cap 21 in cap 21 and passes through locating ring 3
Method rubber stopper 22 is reached precalculated position, therefore sealing 222 can bear larger resistance when through locating ring 3, even
The damage of rubber stopper 22 is likely to occur, therefore the inwall processing of locating ring 3 has in along Access Division 221 toward the direction of sealing 222
The diminishing arc angling 6 in footpath avoids this problem, but the application is not limited the angle and radius of arc angling 6.
Vacuum blood collection tube is by keeping the vacuum in heparin tube to extend the holding time of blood sample.As shown in figure 3,
The junction of socket part 221 and sealing 222 is equipped with the annular slot 5 of connection positioning step 4, and the thickness of the annular slot 5 is with determining
The thickness of position ring 3 matches, so that the relative position of fixed rubber stopper 22 and cap 21, avoids producing less opposite slip,
So that when in use, the sealing 222 of rubber stopper 22 can be completely embedded into test tube, this outer seal portion 222 is adopted with 1 inner wall of test tube
With interference fit, the holding of vacuum in test tube 1 is all effectively raised.
As shown in Fig. 2, this has the vacuum blood collection tube of upper pressure type rubber plug disconnecting prevention structure when in use, since rubber stopper 22 pushes up
Portion is equipped with a tamponade location hole 10 to 22 inner recess of rubber stopper so that in blood sampling, syringe needle is easier to pierces through rubber stopper
22, reduction uses difficulty.The application does not limit the size, depth and shape of tamponade location hole 10.
The test tube mouth of vacuum blood collection tube test tube 1 is too small, and position is very accurate when insertion, increases difficulty of processing；Examination
The mouth of pipe is larger, can reduce the ability for keeping vacuum.As shown in Fig. 2, 21 bottom interior wall of cap has one in cabochon
Guide part 8, the direction at internal diameter from 21 bottom of cap toward the top of cap 21 of the guide part 8 taper into so that are not increasing examination
Difficulty of processing is reduced on the premise of the mouth of pipe.The application does not limit the length of guide part 8, internal diameter.
The operation principle of the utility model is：The vacuum blood collection tube that this has upper pressure type rubber plug disconnecting prevention structure in production assembling
When, locating ring 3 cooperates with positioning step 4 ensures that rubber stopper 22 is in uniform location, and guide part 8 guides rubber stopper 22 to be inserted into
In test tube 1, locating ring 3 is engaged with annular slot 5 enables sealing 222 completely into test tube 1；Blood taking needle one end during use
Rubber stopper 22 is punctured by tamponade location hole 10, the other end is connected with human vein, can quickly be adopted by negative pressure blood in test tube 1
Collect in vacuum blood collection tube, sealing 222 ensures to be in vacuum state for a long time in test tube 1 with inboard wall of test tube interference fit, prolongs
The long blood sample holding time；When extracting cap assemblies 2 for blood sample in analysis vacuum blood collection tube, rubber stopper 22 is in cap 21
Connect and fix and Access Division 221 and 21 inner wall of cap interference fit, from 21 top inner wall of cap to the axial line side of cap 21
The grade limiting mechanism collective effect of rubber stopper stop ring 9 in a ring formed to protrusion, prevents the separation of cap 21 and rubber plug 22.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although test tube 1, cap assemblies 2, locating ring 3, positioning step 4, annular slot 5, arc is used more herein
Chamfering 6, sealing space 7, guide part 8, stop ring 9, tamponade location hole 10, cap 21, rubber stopper 22, Access Division 221, sealing
222 grade terms, but it does not preclude the possibility of using other terms.The use of these items is only for more easily describing and
Explain the essence of the utility model；Being construed as any one of the additional limitations is disagreed with the utility model spirit
's.
Claims (10)
1. a kind of vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure, including test tube (1) and the cap that matches with test tube (1)
Cap assemblies (2), it is characterised in that the cap assemblies (2) include cap (21) and rubber stopper (22), the cap (21)
Both ends be respectively provided with opening portion, rubber stopper (22) is inserted into from the opening portion at the top of cap (21) in cap (21) and and cap
(21) connect and fix, when rubber stopper (22) is inserted into test tube (1), the rubber stopper (22) and test tube (1) inner wall interference
Coordinate.
2. the vacuum blood collection tube according to claim 1 with upper pressure type rubber plug disconnecting prevention structure, it is characterised in that described
Have inside cap (21) in annular shape and protrude from the locating ring (3) of cap (21) inner wall, the rubber stopper (22) outer wall
It is upper to be fastened on fixed with the positioning step (4) to match in circular and size with locating ring (3), the positioning step (4)
So that rubber stopper (22) is engaged by clamping with cap (21) on position ring (3).
3. the vacuum blood collection tube according to claim 2 with upper pressure type rubber plug disconnecting prevention structure, it is characterised in that described
Rubber stopper (22) includes integrally formed Access Division (221) and sealing (222), and wherein sealing (222) is pushed up by cap (21)
The opening portion in portion is inserted into cap (21) and passes through locating ring (3), and positioning step (4) is located at Access Division (221) bottom, clamping
Portion (221) is pressed on locating ring (3) and Access Division (221) are interference fitted with cap (21) inner wall.
4. the vacuum blood collection tube according to claim 3 with upper pressure type rubber plug disconnecting prevention structure, it is characterised in that described
Access Division (221) and the junction of sealing (222) are equipped with the annular slot (5) of connection positioning step (4), the annular slot
(5) thickness and the thickness of locating ring (3) match, when Access Division (221) are pressed on locating ring (3), locating ring (3) card
Enter into annular slot (5).
5. the vacuum blood collection tube according to claim 3 with upper pressure type rubber plug disconnecting prevention structure, it is characterised in that described
The inner wall of locating ring (3) has the diminishing arc angling of direction internal diameter (6) along Access Division (221) toward sealing (222).
6. the vacuum blood collection tube according to claim 3 with upper pressure type rubber plug disconnecting prevention structure, it is characterised in that described
Sealing (222), cap (21) surround the sealing space (7) to be formed for accommodating test tube (1) end with locating ring (3), work as examination
When pipe (1) is inserted into sealing space (7), the sealing (222) is interference fitted with test tube (1) inner wall.
7. the vacuum blood collection tube according to claim 1 with upper pressure type rubber plug disconnecting prevention structure, it is characterised in that described
Cap (21) bottom interior wall have one be in cabochon guide part (8), the internal diameter of the guide part (8) from cap (21) bottom toward
Direction at the top of cap (21) tapers into.
8. the vacuum blood collection tube according to claim 1 with upper pressure type rubber plug disconnecting prevention structure, it is characterised in that described
Cap (21) top inner wall is protruded to the direction of axis line of cap (21) so as to form a rubber stopper stop ring in a ring
(9), when rubber stopper (22) is inserted into cap (21), the rubber stopper stop ring (9) is snapped onto in rubber stopper (22).
9. the vacuum blood collection tube according to claim 3 with upper pressure type rubber plug disconnecting prevention structure, it is characterised in that described
A tamponade location hole (10) to rubber stopper (22) inner recess is equipped with the top of rubber stopper (22).
10. the vacuum blood collection tube according to claim 9 with upper pressure type rubber plug disconnecting prevention structure, it is characterised in that described
Tamponade location hole (10) be located on Access Division (221) and bottom is in cabochon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720083974.XU CN207266714U (en) | 2017-01-20 | 2017-01-20 | Vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720083974.XU CN207266714U (en) | 2017-01-20 | 2017-01-20 | Vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207266714U true CN207266714U (en) | 2018-04-24 |
Family
ID=61960762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720083974.XU Active CN207266714U (en) | 2017-01-20 | 2017-01-20 | Vacuum blood collection tube with upper pressure type rubber plug disconnecting prevention structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207266714U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870254A (en) * | 2020-07-09 | 2020-11-03 | 浙江拱东医疗器械股份有限公司 | A child micro blood collection tube suitable for capillary blood collection |
| CN119574220A (en) * | 2025-02-07 | 2025-03-07 | 中核四0四成都核技术工程设计研究院有限公司 | Sampling method and sampling device |
-
2017
- 2017-01-20 CN CN201720083974.XU patent/CN207266714U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870254A (en) * | 2020-07-09 | 2020-11-03 | 浙江拱东医疗器械股份有限公司 | A child micro blood collection tube suitable for capillary blood collection |
| CN111870254B (en) * | 2020-07-09 | 2025-06-10 | 浙江拱东医疗器械股份有限公司 | Children trace blood collection tube suitable for capillary blood collection method |
| CN119574220A (en) * | 2025-02-07 | 2025-03-07 | 中核四0四成都核技术工程设计研究院有限公司 | Sampling method and sampling device |
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