CN206534913U - A kind of blood collection tube - Google Patents
A kind of blood collection tube Download PDFInfo
- Publication number
- CN206534913U CN206534913U CN201621312917.6U CN201621312917U CN206534913U CN 206534913 U CN206534913 U CN 206534913U CN 201621312917 U CN201621312917 U CN 201621312917U CN 206534913 U CN206534913 U CN 206534913U
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- Prior art keywords
- taking needle
- blood taking
- connector
- blood
- depression bar
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Abstract
A kind of blood collection tube belongs to medical treatment consumptive materials technical field, more particularly to a kind of blood collection tube.The utility model provides a kind of blood collection, centrifugally operated convenience, can reduce the blood collection tube of sample contamination probability.The utility model includes cylindric centrifuge tube, blood taking needle, blood taking needle connecting tube, screen pack, separating liquid ascending pipe and syringe, its structural feature centrifuge tube top has been connected through a screw thread top cover, and top cover both sides are respectively arranged with blood taking needle connector and syringe connector.
Description
Technical field
The utility model belongs to medical treatment consumptive materials technical field, more particularly to a kind of blood collection tube.
Background technology
Cord blood stem cell transplanting is to develop more popular stem-cell therapy means in recent years, in addition immune cell therapy
When be also required to gather peripheral blood, the problem of all referring to blood collection.At this stage in the gatherer process of blood, it is necessary to by adopting
The gravity or Large Copacity syringe of blood bag aspirate the negative pressure to be formed, collection volume and the time it is bad grasp, inefficiency, and
Most of blood bag and syringe can not be centrifuged directly, and transfer is inconvenient.Utility model（CN201120370330.1 the blood bag in),
Taper is designed as, and there are two blood taking needles, sampling and transfer operation are still inconvenient.Utility model（CN201320244561.7 in)
Blood bag using many bags of progress, its cost is higher, and the problem of centrifugation blood bag is flattened can not still solve.
The content of the invention
The utility model facilitates there is provided a kind of blood collection, centrifugally operated aiming above mentioned problem, can reduce sample dirt
Contaminate the blood collection tube of probability.
To achieve the above object, the utility model is adopted the following technical scheme that, the utility model include cylindric centrifuge tube,
Blood taking needle, blood taking needle connecting tube, screen pack, separating liquid ascending pipe and syringe, its structural feature centrifuge tube top pass through screw thread
Top cover is connected with, top cover both sides are respectively arranged with blood taking needle connector and syringe connector.
The blood taking needle connector upper end is provided with the hollow Cylindrical joint raised up, and Cylindrical joint outer wall passes through spiral shell
Line is connected with pressure cap, and pressure cap upper end is hollow convex shape connecting portion, and convex shape connecting portion upper end connector is connected by blood taking needle
Adapter is connected with blood taking needle；Pressure cap upper end is provided with flowing hole with convex shape connecting portion junction.
Hollow vertical depression bar is provided with the blood taking needle connector, depression bar upper end passes the Cylindrical joint, depression bar
Upper end outer wall is provided with the flange extended laterally, flange upper end and the pressure cap upper end inwall phase of flowing hole lower end extension
Support.
Lower end in baffle plate, blood taking needle connector is provided with depression bar outer wall in the blood taking needle connector and is provided with sealing
Stopper, the depression bar lower end is placed in centrifuge tube through sealing stopper, and depression bar lower end is set corresponding to blood taking needle connector lower end
There is choked flow baffle plate；Inlet opening is provided with depression bar bottom side of the wall；The periphery of depression bar between baffle plate and sealing stopper is provided with multiple
Position spring.
The syringe connector upper end is provided with the hollow Cylindrical joint raised up, and Cylindrical joint outer wall passes through spiral shell
Line is connected with attachment cap, and attachment cap upper end is hollow convex shape connecting portion, and convex shape connecting portion upper end connector passes through injection
Device connecting tube is connected with syringe；Attachment cap upper end is provided with flowing hole with convex shape connecting portion junction；Cylindrical joint upper end
Offseted with the attachment cap upper end inwall of flowing hole lower end extension.
It is provided with the middle part of the top cover at T-shaped liquid injection port, the big mouth in T-shaped liquid injection port top and rubber stopper, a separating liquid is installed
Ascending pipe upper end offsets with rubber stopper lower end and to be fixed on T-shaped liquid injection port bottom small intraoral, separating liquid ascending pipe lower end be placed in from
Heart bottom of the tube.
The T-shaped liquid injection port upper end is provided with the hollow Cylindrical joint raised up, and Cylindrical joint outer wall passes through screw thread
It is connected with seal cap；The rubber stopper upper end is higher than the upper surface of Cylindrical joint.
The centrifugation bottom of the tube is cone.
As a kind of preferred scheme, volume markings are both provided with centrifuge tube and syringe described in the utility model.
As another preferred scheme, screen pack is provided with the top cover of blood taking needle connector lower end described in the utility model
Cover, the blood taking needle connector lower end, depression bar lower end, choked flow baffle plate are placed in filtering screen.
As another preferred scheme, the aperture of filtering screen described in the utility model is 200 to 300 microns.
As another preferred scheme, between pressure cap lower end and top cover upper end described in the utility model, attachment cap lower end with
Sealing gasket is provided between top cover upper end, between seal cap lower end and top cover upper end.
Secondly, it is provided with miillpore filter in syringe connector described in the utility model.
In addition, the aperture of miillpore filter described in the utility model is 0.22 micron.
The utility model beneficial effect.
The utility model is used cooperatively by each part, and blood collection, centrifugally operated are convenient, and collection volume and time can
Control, and can directly centrifuge, reduce blood haemolysis, exposure and the chance of pollution.
The utility model is connected with syringe, is easy to control acquisition time.
The utility model centrifugation bottom of the tube is cone, and separating liquid ascending pipe lower end is placed in centrifugation bottom of the tube；Separation can be made
Liquid flows bottom-up, is easy to separating liquid to be layered with blood.
The utility model is used cooperatively by depression bar, baffle plate, back-moving spring；When pressure cap is threaded onto on Cylindrical joint, depression bar
Move down, blood can enter in centrifuge tube from inlet opening.When pressure cap is backed out, that is, remove blood taking needle and blood taking needle connecting tube, reset
Spring blocks blood taking needle connector depression bar jack-up, choked flow baffle plate, and inlet opening enters in blood taking needle connector with depression bar, blood
It can not be overflowed from blood taking needle connector.
The utility model sets convex shape connecting portion, is easy to the connection of connecting tube.
The utility model sets rubber stopper, is easy to the sealing after the extraction of disposable syringe syringe needle.
Brief description of the drawings
The utility model is described further with reference to the accompanying drawings and detailed description.The utility model protection domain
It is not only limited to the statement of herein below.
Fig. 1 is the utility model structural representation.
Fig. 2 is Fig. 1 A portions enlarged drawing.
In figure, 1 it is syringe, 2 is volume markings, 3 is syringe connection tube, 4 is miillpore filter, 5 is attachment cap, 6 is
Top cover, 7 be rubber stopper, 8 be seal cap, 9 be blood taking needle connecting tube, 10 be filtering screen, 11 be blood taking needle, 12 be centrifuge tube,
13 it is volume markings, 14 be separating liquid ascending pipe, 15 be choked flow baffle plate, 16 be inlet opening, 17 be back-moving spring, 18 is sealing
Pad, 19 be depression bar, 20 be pressure cap, 21 be convex shape connecting portion, 22 be baffle plate, 23 be sealing stopper.
Embodiment
As illustrated, the utility model includes cylindric centrifuge tube, blood taking needle, blood taking needle connecting tube, screen pack, separating liquid
Ascending pipe and syringe, centrifuge tube top have been connected through a screw thread top cover, top cover both sides be respectively arranged with blood taking needle connector and
Syringe connector.
The blood taking needle connector upper end is provided with the hollow Cylindrical joint raised up, and Cylindrical joint outer wall passes through spiral shell
Line is connected with pressure cap, and pressure cap upper end is hollow convex shape connecting portion, and convex shape connecting portion upper end connector is connected by blood taking needle
Adapter is connected with blood taking needle；Pressure cap upper end is provided with flowing hole with convex shape connecting portion junction.
Hollow vertical depression bar is provided with the blood taking needle connector, depression bar upper end passes the Cylindrical joint, depression bar
Upper end outer wall is provided with the flange extended laterally, flange upper end and the pressure cap upper end inwall phase of flowing hole lower end extension
Support.
Lower end in baffle plate, blood taking needle connector is provided with depression bar outer wall in the blood taking needle connector and is provided with sealing
Stopper, the depression bar lower end is placed in centrifuge tube through sealing stopper, and depression bar lower end is set corresponding to blood taking needle connector lower end
There is choked flow baffle plate；Inlet opening is provided with depression bar bottom side of the wall；The periphery of depression bar between baffle plate and sealing stopper is provided with multiple
Position spring.
The syringe connector upper end is provided with the hollow Cylindrical joint raised up, and Cylindrical joint outer wall passes through spiral shell
Line is connected with attachment cap, and attachment cap upper end is hollow convex shape connecting portion, and convex shape connecting portion upper end connector passes through injection
Device connecting tube is connected with syringe；Attachment cap upper end is provided with flowing hole with convex shape connecting portion junction；Cylindrical joint upper end
Offseted with the attachment cap upper end inwall of flowing hole lower end extension.
It is provided with the middle part of the top cover at T-shaped liquid injection port, the big mouth in T-shaped liquid injection port top and rubber stopper, a separating liquid is installed
Ascending pipe upper end offsets with rubber stopper lower end and to be fixed on T-shaped liquid injection port bottom small intraoral, separating liquid ascending pipe lower end be placed in from
Heart bottom of the tube.
The T-shaped liquid injection port upper end is provided with the hollow Cylindrical joint raised up, and Cylindrical joint outer wall passes through screw thread
It is connected with seal cap；The rubber stopper upper end is higher than the upper surface of Cylindrical joint.
The centrifugation bottom of the tube is cone, and pipe is built with sodium citrate anticoagulant.
Volume markings are both provided with the centrifuge tube and syringe；It is easy to control collection volume, also allows for directly centrifugation
With follow-up lock out operation.
Filtering screen, the blood taking needle connector lower end, depression bar are provided with the top cover of the blood taking needle connector lower end
Lower end, choked flow baffle plate are placed in filtering screen.
The aperture of the filtering screen is 200 to 300 microns；It is easy to filter the small grumeleuse in blood.
Miillpore filter is provided with the syringe connector；The microorganism that can be crossed in air filtering, prevents from gathering blood
By air pollution.
The aperture of the miillpore filter is 0.22 micron.
The material of the centrifuge tube can be polyethylene, can be placed directly in cylindrical centrifugal cylinder.
Between the pressure cap lower end and top cover upper end, between attachment cap lower end and top cover upper end, seal cap lower end and top cover
Sealing gasket is provided between upper end；Further enhance sealing effectiveness.
Illustrate the course of work of the present utility model below in conjunction with the accompanying drawings.
Load sodium citrate anticoagulant in centrifuge tube, screw on top cover.
When gathering blood, by the sterile bundle of blood taking needle on umbilical cord or patient's upper arm, the piston of syringe is pulled to collect navel
Band blood twists off pressure cap, depression bar rises in the presence of back-moving spring to centrifuge tube, and sealing blood taking needle by choked flow baffle plate connects
Mouthful.
The centrifuge tube that turns upside down mixes blood, and seal cap is opened in Biohazard Safety Equipment, is sucked and drenched with disposable syringe
Bar cell separation liquid；Disposable syringe syringe needle is penetrated into rubber stopper, lower end is placed in separating liquid ascending pipe, separating liquid is injected
In separating liquid ascending pipe；Syringe piston is slowly pulled, lymphocyte separation medium is flowed into centrifuge tube, liquid to be separated is all noted
Enter, twist off attachment cap, pull out disposable syringe, screw on seal cap, centrifuge tube is put into centrifuge and centrifuged, is subsequently divided
From operation.
It is understood that specifically described above with respect to of the present utility model, be merely to illustrate the utility model and not
The technical scheme described by the utility model embodiment is limited to, it will be understood by those within the art that, still can be with
The utility model is modified or equivalent substitution, to reach identical technique effect；As long as satisfaction uses needs, all in this reality
Within new protection domain.
Claims (7)
1. a kind of blood collection tube, including cylindric centrifuge tube, blood taking needle, blood taking needle connecting tube, screen pack, separating liquid ascending pipe
And syringe, it is characterised in that centrifuge tube top has been connected through a screw thread top cover, and top cover both sides are respectively arranged with blood taking needle connection
Mouth and syringe connector；
The blood taking needle connector upper end is provided with the hollow Cylindrical joint raised up, Cylindrical joint outer wall by screw thread with
Pressure cap is connected, and pressure cap upper end is hollow convex shape connecting portion, and convex shape connecting portion upper end connector passes through blood taking needle connecting tube
It is connected with blood taking needle；Pressure cap upper end is provided with flowing hole with convex shape connecting portion junction；
Hollow vertical depression bar is provided with the blood taking needle connector, depression bar upper end passes the Cylindrical joint, depression bar upper end
Outer wall is provided with the flange extended laterally, and flange upper end and the pressure cap upper end inwall of flowing hole lower end extension offset；
Lower end in baffle plate, blood taking needle connector is provided with depression bar outer wall in the blood taking needle connector and is provided with sealing gear
Plug, the depression bar lower end is placed in centrifuge tube through sealing stopper, and depression bar lower end is provided with corresponding to blood taking needle connector lower end
Choked flow baffle plate；Inlet opening is provided with depression bar bottom side of the wall；The periphery of depression bar between baffle plate and sealing stopper is provided with reset
Spring；
The syringe connector upper end is provided with the hollow Cylindrical joint raised up, Cylindrical joint outer wall by screw thread with
Attachment cap is connected, and attachment cap upper end is hollow convex shape connecting portion, and convex shape connecting portion upper end connector is connected by syringe
Adapter is connected with syringe；Attachment cap upper end is provided with flowing hole with convex shape connecting portion junction；Cylindrical joint upper end and mistake
The attachment cap upper end inwall of discharge orifice lower end extension offsets；
It is provided with the middle part of the top cover at T-shaped liquid injection port, the big mouth in T-shaped liquid injection port top and rubber stopper is installed, separating liquid injection
Pipe upper end offsets with rubber stopper lower end and is fixed on that T-shaped liquid injection port bottom is small intraoral, and separating liquid ascending pipe lower end is placed in centrifuge tube
Bottom；
The T-shaped liquid injection port upper end is provided with the hollow Cylindrical joint raised up, Cylindrical joint outer wall by screw thread with it is close
Sealing cap is connected；The rubber stopper upper end is higher than the upper surface of Cylindrical joint；
The centrifugation bottom of the tube is cone.
2. a kind of blood collection tube according to claim 1, it is characterised in that be both provided with the centrifuge tube and syringe
Volume markings.
3. a kind of blood collection tube according to claim 1, it is characterised in that on the top cover of the blood taking needle connector lower end
Filtering screen is provided with, the blood taking needle connector lower end, depression bar lower end, choked flow baffle plate are placed in filtering screen.
4. a kind of blood collection tube according to claim 3, it is characterised in that the aperture of the filtering screen is 200 to 300
Micron.
5. a kind of blood collection tube according to claim 1, it is characterised in that between the pressure cap lower end and top cover upper end, even
Connect between cap lower end and top cover upper end, be provided with sealing gasket between seal cap lower end and top cover upper end.
6. a kind of blood collection tube according to claim 1, it is characterised in that be provided with micropore in the syringe connector
Filter membrane.
7. a kind of blood collection tube according to claim 6, it is characterised in that the aperture of the miillpore filter is 0.22 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621312917.6U CN206534913U (en) | 2016-12-02 | 2016-12-02 | A kind of blood collection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621312917.6U CN206534913U (en) | 2016-12-02 | 2016-12-02 | A kind of blood collection tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206534913U true CN206534913U (en) | 2017-10-03 |
Family
ID=59937214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621312917.6U Active CN206534913U (en) | 2016-12-02 | 2016-12-02 | A kind of blood collection tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206534913U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026297A (en) * | 2018-01-12 | 2019-07-19 | 瑞崴制造股份有限公司 | Body fluid separator |
| CN110584680A (en) * | 2019-08-01 | 2019-12-20 | 天津市第三中心医院 | Vacuum filter tube suitable for chylemia and lipemia specimen detection |
| TWI687240B (en) * | 2018-09-13 | 2020-03-11 | 美康生物科技有限公司 | Blood collection device and method for manufacturing high concentration platelet plasma |
-
2016
- 2016-12-02 CN CN201621312917.6U patent/CN206534913U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026297A (en) * | 2018-01-12 | 2019-07-19 | 瑞崴制造股份有限公司 | Body fluid separator |
| CN110026297B (en) * | 2018-01-12 | 2021-06-01 | 瑞崴制造股份有限公司 | Body fluid separation device |
| TWI687240B (en) * | 2018-09-13 | 2020-03-11 | 美康生物科技有限公司 | Blood collection device and method for manufacturing high concentration platelet plasma |
| CN110584680A (en) * | 2019-08-01 | 2019-12-20 | 天津市第三中心医院 | Vacuum filter tube suitable for chylemia and lipemia specimen detection |
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| GR01 | Patent grant |