CN204863220U - Disposable antivacuum heparin tube - Google Patents
Disposable antivacuum heparin tube Download PDFInfo
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- CN204863220U CN204863220U CN201520312222.7U CN201520312222U CN204863220U CN 204863220 U CN204863220 U CN 204863220U CN 201520312222 U CN201520312222 U CN 201520312222U CN 204863220 U CN204863220 U CN 204863220U
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Abstract
The utility model relates to a medical treatment instrument technical field, more specifically says, relates to a disposable antivacuum heparin tube, including the cylinder, stretch into in the cylinder with cylinder sliding connection's core bar and the sealed piston in arranging the cylinder in, a end screw thread connection of cylinder has a cap, the core bar passes through the pin head with sealed piston to be connected, core bar and pin head integrated into one piece, and the nozzle department of cylinder has seted up the annular groove, is equipped with the catch ring with the annular groove adaptation on the pin head, the cap includes the butyl rubber stopper and overlaps and locate butyl rubber plug sheath beyond the great wall. The utility model discloses rational in infrastructure, simple, practicality is strong, safety.
Description
Technical field
This utility model relates to a kind of medical instrument technical field, and more particularly, it relates to a kind of disposable antivacuum blood taking tube.
Background technology
In recent years, along with molecular biological fast development, inspection diagnostic techniques is widely used in the diagnosis of disease.The topmost work of the diagnostic work first step, with regard to the collection of blood sample, needs the collection carrying out blood sample during the generaI investigation of disease.Disposable syringe, disposal vacuum blood taking tube and test tube or centrifuge tube are mainly applied in existing blood specimen collection work.Prior art exists: disposable syringe blood sample collection.Acquisition method needs a people to hold pin and a people collects blood sample.After syringe gathers, reinject test tube or centrifuge tube.Though cheap, effort of taking a lot of work, the easy cross infection of blood sample, and incorrect to blood sample test data, on affecting diagnostic result.
Use disposal vacuum blood taking tube blood sample collection that syringe can be avoided to gather drawback.But vacuum test tube is by the height above sea level in place, atmospheric pressure, blood taking needle internal diameter and the vein pressure of blood sampling and the difference of blood viscosity, blood sampling volume is used to have a greater change, generally more difficult control.This kind of vacuum test tube many employings glass is made on the other hand, and its storage condition is 4-25 DEG C.If storage condition temperature is at 0 DEG C or blood taking tube just may be caused to break lower than 0 DEG C.Also fall depositing capping release when adopting this kind of equipment to carry out blood sampling operation in addition.
Also need to transfer in test tube after using the various instrument for blood collection collections of prior art, then carry out testing, namely this add the workload of staff, reduces work efficiency, also easily produces the problem that blood sample pollutes simultaneously.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of rational in infrastructure, simple, practical, safe disposable antivacuum blood taking tube.
For achieving the above object, this utility model provides following technical scheme:
A kind of disposable antivacuum blood taking tube, comprise syringe, stretch into the core bar be slidably connected with syringe in syringe and the packed-piston be placed in syringe, the threaded one end of syringe is connected with cap, it is characterized in that: described core bar is connected by pin head with packed-piston, core bar and pin head one-body molded, the tube port position of syringe offers annular groove, and pin head is provided with the catch ring with annular groove adaptation; Described cap comprises butyl rubber bung and is sheathed on butyl rubber plug sheath beyond the Great Wall.
By adopting technique scheme, carrying out in the process of drawing blood, core bar draws toward the tube port position of syringe, after making the annular groove of the catch ring on pin head and syringe tube port position stuck, core bar just can not back be promoted, and ensure that the blood in syringe can not be extruded outside syringe, fracture core bar, make piston serve as cylinder body bottom, be directly used as test tube and use.
Before drawing blood, core bar draws toward the tube port position of cylindrical shell, after the catch ring that the annular groove of cylindrical shell is blocked on pin head, core bar just can not back be promoted, make to produce vacuum in cylindrical shell, fracture core bar, makes pin head serve as cylinder body bottom, also become disposal vacuum blood taking tube, other operational approach is identical with vacuum test tube.Thus the difficult problem solved by the weather environment in place, large atmospheric pressure, height above sea level, thus ensure that blood test mass effect.
This utility model is set to further: described core bar is provided with the kink facilitating core bar to fracture, and kink is the opening of molding on core bar.
By adopting technique scheme, after the annular groove of the catch ring on pin head and syringe tube port position is stuck, core bar can not slide in syringe again, fracture core bar, use pin head to serve as bottom syringe, be directly used as test tube and use, also centrifugal blood on centrifuge.
This utility model is set to further: described butyl rubber bung comprises interconnective first glue-line and the second glue-line, the diameter of the first glue-line is greater than the second glue-line, first glue-line offers the pockets for pin puncture, the junction of the second glue-line and the first glue-line is provided with annular groove.
This utility model is set to further: described plug sheath offers the opening run through for pin, the inwall of plug sheath is still provided with the annular protrusion with the annular groove adaptation of butyl rubber bung.
By adopting technique scheme, the diameter due to the first glue-line is greater than the second glue-line, therefore annular protrusion can limit the first glue-line, prevents from inserting in the process of pockets at needle tubing, and butyl rubber bung is come off from plug sheath.Annular groove designs for the nozzle of syringe, makes the nozzle embedded rings connected in star of syringe, greatly improves the sealing property that butyl rubber bung is connected with syringe.
This utility model is set to further: described core bar is provided with force dish relative to one end of pin head, and the bottom surface of force dish is provided with some anti-skidding projections.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Reference numeral: 1, syringe; 10, packed-piston; 2, core bar; 3, cap; 4, pin head; 40 annular grooves; 41, catch ring; 3, cap; 31, plug sheath; 32, butyl rubber bung; 22 kinks; 21, force dish; 321, the first glue-line; 322, the second glue-line; 320, pockets; 210, anti-skidding projection; 32a, annular groove; 310, annular protrusion.
Detailed description of the invention
With reference to Fig. 1, embodiment of the present utility model is described further.
A kind of disposable antivacuum blood taking tube, comprise syringe 1, stretch into the core bar 2 be slidably connected with syringe 1 in syringe 1 and the packed-piston 10 be placed in syringe 1, the threaded one end of syringe 1 is connected with cap 3, described core bar 2 is connected by core bar 2 with packed-piston 10, core bar 2 is one-body molded with pin head 4, the tube port position of syringe 1 offers annular groove 40, and pin head 4 is provided with the catch ring 41 with annular groove 40 adaptation; Described cap 3 comprises butyl rubber bung 32 and is sheathed on the plug sheath 31 outside butyl rubber bung 32.
Carrying out in the process of drawing blood, core bar 2 draws toward the tube port position of syringe 1, and after making the catch ring 41 on pin head 4 and the annular groove 40 of syringe tube port position stuck, core bar 2 just can not back be promoted, and ensure that the blood in syringe 1 can not be extruded outside syringe 1.
Before drawing blood, core bar 2 draws toward the tube port position of syringe, after the catch ring 41 that the annular groove 40 of syringe is blocked on core bar 2, core bar 2 just can not back be promoted, make to produce vacuum in syringe, fracture core bar 2, makes core bar 2 serve as bottom syringe, also become disposal vacuum blood taking tube, other operational approach is identical with vacuum test tube.Thus the difficult problem solved by the weather environment in place, large atmospheric pressure, height above sea level, thus ensure that blood test mass effect.
Core bar 2 is provided with the kink 22 facilitating core bar 2 to fracture, and kink 22 is the opening of molding on core bar 2.
After the catch ring 41 on pin head 4 and the annular groove 40 of syringe 1 tube port position are stuck, core bar 2 can not slide in syringe 1 again, and fracture core bar 2, uses pin head 4 to serve as bottom syringe 1, is directly used as test tube and uses, also centrifugal blood on centrifuge.
Butyl rubber bung 32 comprises interconnective first glue-line 321 and the second glue-line 322, the diameter of the first glue-line 321 is greater than the second glue-line 322, first glue-line 321 offers and is provided with annular groove 32a for pockets 320, second glue-line 322 of pin puncture and the junction of the first glue-line 321.
Plug sheath 31 offers the opening 31a run through for pin, the inwall of plug sheath 31 is still provided with the annular protrusion 310 with the annular groove 32a adaptation of butyl rubber bung 32.
By adopting technique scheme, the diameter due to the first glue-line 321 is greater than the second glue-line 322, therefore annular protrusion 310 can limit the first glue-line 321, prevents from inserting in the process of pockets 320 at needle tubing, and butyl rubber bung 32 is come off from plug sheath 31.Annular groove 32a designs for the nozzle of syringe 1, makes the nozzle embedded rings connected in star 32a of syringe 1, greatly improves the sealing property that butyl rubber bung 32 is connected with syringe 1.
Core bar 2 is provided with force dish 21 relative to one end of pin head 4, and the bottom surface of force dish 21 is provided with some anti-skidding protruding 210.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, those skilled in the art carries out common change and replaces should being included in protection domain of the present utility model within the scope of technical solutions of the utility model.
Claims (5)
1. a disposable antivacuum blood taking tube, comprise syringe, stretch into the core bar be slidably connected with syringe in syringe and the packed-piston be placed in syringe, the threaded one end of syringe is connected with cap, it is characterized in that: described core bar is connected by pin head with packed-piston, core bar and pin head one-body molded, the tube port position of syringe offers annular groove, and pin head is provided with the catch ring with annular groove adaptation; Described cap comprises butyl rubber bung and is sheathed on butyl rubber plug sheath beyond the Great Wall.
2. the disposable antivacuum blood taking tube of one according to claim 1, is characterized in that: described core bar is provided with the kink facilitating core bar to fracture, and kink is the opening of molding on core bar.
3. the disposable antivacuum blood taking tube of one according to claim 2, it is characterized in that: described butyl rubber bung comprises interconnective first glue-line and the second glue-line, the diameter of the first glue-line is greater than the second glue-line, first glue-line offers the pockets for pin puncture, the junction of the second glue-line and the first glue-line is provided with annular groove.
4. the disposable antivacuum blood taking tube of one according to claim 2, is characterized in that: described plug sheath offers the opening run through for pin, the inwall of plug sheath is still provided with the annular protrusion with the annular groove adaptation of butyl rubber bung.
5. the disposable antivacuum blood taking tube of one according to claim 1, is characterized in that: described core bar is provided with force dish relative to one end of pin head, and the bottom surface of force dish is provided with some anti-skidding projections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520312222.7U CN204863220U (en) | 2015-05-15 | 2015-05-15 | Disposable antivacuum heparin tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520312222.7U CN204863220U (en) | 2015-05-15 | 2015-05-15 | Disposable antivacuum heparin tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204863220U true CN204863220U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520312222.7U Active CN204863220U (en) | 2015-05-15 | 2015-05-15 | Disposable antivacuum heparin tube |
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| Country | Link |
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| CN (1) | CN204863220U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113769805A (en) * | 2021-10-07 | 2021-12-10 | 北京梓晶生物科技有限公司 | Micro-fluidic device for realizing material mixing in micro-fluidic chip and mixing control method |
| CN113769804A (en) * | 2021-10-07 | 2021-12-10 | 北京梓晶生物科技有限公司 | Micro-fluidic device for realizing material mixing and mixing control method |
| CN113877644A (en) * | 2021-10-11 | 2022-01-04 | 北京梓晶生物科技有限公司 | Micro-fluidic device for realizing valve opening and closing |
| CN113893891A (en) * | 2021-10-07 | 2022-01-07 | 北京梓晶生物科技有限公司 | Micro-fluidic device for realizing material preservation |
-
2015
- 2015-05-15 CN CN201520312222.7U patent/CN204863220U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113769805A (en) * | 2021-10-07 | 2021-12-10 | 北京梓晶生物科技有限公司 | Micro-fluidic device for realizing material mixing in micro-fluidic chip and mixing control method |
| CN113769804A (en) * | 2021-10-07 | 2021-12-10 | 北京梓晶生物科技有限公司 | Micro-fluidic device for realizing material mixing and mixing control method |
| CN113893891A (en) * | 2021-10-07 | 2022-01-07 | 北京梓晶生物科技有限公司 | Micro-fluidic device for realizing material preservation |
| CN113893891B (en) * | 2021-10-07 | 2022-11-15 | 北京梓晶生物科技有限公司 | Micro-fluidic device for realizing material preservation |
| CN113769804B (en) * | 2021-10-07 | 2022-11-15 | 北京梓晶生物科技有限公司 | Micro-fluidic device for realizing material mixing and mixing control method |
| CN113769805B (en) * | 2021-10-07 | 2023-01-10 | 北京梓晶生物科技有限公司 | Micro-fluidic device for realizing material mixing in micro-fluidic chip and mixing control method |
| CN113877644A (en) * | 2021-10-11 | 2022-01-04 | 北京梓晶生物科技有限公司 | Micro-fluidic device for realizing valve opening and closing |
| CN113877644B (en) * | 2021-10-11 | 2022-11-15 | 北京梓晶生物科技有限公司 | Micro-fluidic device for realizing valve opening and closing |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |