CN208573745U - Convenient for the vacuum blood collection tube of blood sampling - Google Patents
Convenient for the vacuum blood collection tube of blood sampling Download PDFInfo
- Publication number
- CN208573745U CN208573745U CN201820460813.2U CN201820460813U CN208573745U CN 208573745 U CN208573745 U CN 208573745U CN 201820460813 U CN201820460813 U CN 201820460813U CN 208573745 U CN208573745 U CN 208573745U
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- China
- Prior art keywords
- vacuum
- rubber stopper
- pipe cap
- tubings
- buffer board
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Abstract
The utility model discloses the vacuum blood collection tubes convenient for blood sampling, including vacuum tubings, pipe cap, rubber stopper, buffer board, inner cylinder, spiral plate, pull ring, pressing plate, thorn plug needle and blood taking needle, constituting between pipe cap and rubber stopper has accommodating cavity, pull ring is fixed on pipe cap upper surface, pressing plate is set to above pull ring, and pressing plate is fixedly connected with pull ring by more connecting columns.Thorn plug needle is fixedly connected with pressing plate lower end surface, and lower end is arranged in the accommodating cavity, and thorn plug needle upper end and blood taking needle are connected.Rubber stopper composition has vacuum chamber, and buffer board is set in vacuum tubings, and region forms adapter cavity between buffer board and rubber stopper.Inner cylinder is fixedly connected with buffer board lower end surface, and spiral plate separates region between inner tank theca and vacuum tubings inner wall and forms helical duct, and buffer board, which is constituted, the recirculation hole for connecting adapter cavity and helical duct.The utility model overall structure is simple, is easy to implement, at low cost, is avoided that haemolysis occur, and then is avoided that and impacts because of haemolysis to result of laboratory test.
Description
Technical field
The utility model relates to medical instruments fields, specifically the vacuum blood collection tube convenient for blood sampling.
Background technique
In recent years, one of the tool as clinical blood detection, operation is convenient, security performance is high because having for vacuum blood collection tube
Etc. characteristics become in clinical examination gradually instead of the disposable syringe got used on early clinic using the widest
General blood sampling tool.Existing vacuum blood collection tube is generally made of vacuum tubings, rubber stopper and nut cap, is passed through conduit when blood sampling and is connected
Human blood collection position, in vacuum tubings under the action of negative pressure, blood is flowed via a conduit inside vacuum tubings, so that chemical examination makes
With.For existing vacuum blood collection tube in application, the blood of acquisition is all to fall directly into vacuum blood collection bottom of the tube, this will cause red blood cell phase
It mutually hits, leads to red blood cell rupture, sample hemolysis, and then large effect can be caused to result of laboratory test.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of vacuum blood collection convenient for blood sampling
Pipe, overall structure is simple, is easy to implement, at low cost, and when application is avoided that haemolysis occur, and then is avoided that because of haemolysis pair
Result of laboratory test impacts.
The purpose of this utility model is achieved through the following technical solutions: convenient for the vacuum blood collection tube of blood sampling, including it is true
Blank pipe body, rubber stopper, buffer board, inner cylinder, spiral plate, pull ring, pressing plate, pierces and fills in needle and blood taking needle pipe cap, on the vacuum tubings
End opening, the rubber stopper insertion vacuum tubings are interior and containing vacuum tube body upper end opening, the pipe cap are sheathed on vacuum tubings
On open end lateral wall and rubber stopper, and composition has accommodating cavity between pipe cap and rubber stopper；The pull ring is coaxially set with pipe cap
Pipe cap upper surface is set and is fixed on, the pressing plate is set to above pull ring, and the connection that pressing plate and pull ring are vertically arranged by more
Column is fixedly connected, and connecting column described in more is equidistantly arranged on the same circumference；The thorn plug needle upper end and pressing plate lower end surface
Be fixedly connected, lower end is arranged in the accommodating cavity after sequentially passing through pull ring middle section and pipe cap, thorn plug needle upper end by across
The conduit and blood taking needle of pressing plate are connected；The rubber stopper, which is constituted, the vacuum chamber being located at immediately below thorn plug needle, and the buffer board is set
In in vacuum tubings and be located at rubber stopper below, buffer board circumferential edge with vacuum tubings inner wall be in close contact, buffer board with
Region forms adapter cavity between rubber stopper；The inner cylinder is set in vacuum tubings and the fixed company in the upper end and buffer board lower end surface
It connects, the spiral plate is sheathed on inner cylinder and it separates region between inner tank theca and vacuum tubings inner wall and forms downward spiral
Helical duct, the buffer board, which is constituted, the recirculation hole for connecting adapter cavity and helical duct.
The utility model is for when taking a blood sample, blood taking needle to be embedded in human vas, by pulling pull ring to make connecting column and drawing
Between ring or pressing plate connection structure fracture, at this time downwards press dynamic pressure plate, make thorn plug needle lower end insertion vacuum chamber in, thorn plug needle with
Air between blood taking needle in pipeline enters in vacuum chamber, when blood of human body reaches thorn plug needle, then dynamic pressure plate is pressed, so that thorn plug
Needle lower end is embedded in adapter cavity, and blood is fallen on buffer board, and bottom in vacuum tubings is successively reached after recirculation hole, helical duct
Portion.
Occur deviating and influencing normally to puncture when moving down in order to avoid thorn plug needle, further, the accommodating cavity
It is interior equipped with the position-limiting drum being fixedly connected with pipe cap inner top, the thorn plug needle passes through position-limiting drum.
Further, the inner cylinder lower end is connected with cricoid strainer, and the outer ring and vacuum tubings inner wall of the strainer are tight
Contiguity touching.In this way, the utility model is in application, the foreign matters such as blood clot, fiber protein yarn to suspend in blood plasma or serum can pass through
Strainer retention, and blood plasma and serum can pass through, and be avoided that the specimen needle of the blood blocking test equipment of acquisition, to make blood
Liquid sample detection is simpler.
It further, further include the pillar being vertically arranged convenient for the vacuum blood collection tube of blood sampling, the pillar upper end and buffering
Plate lower end surface is fixedly connected, and lower end is contacted with bottom in vacuum tubings.In this way, the utility model to buffer board and is delayed by pillar
The device connected on punching is positioned, so that the utility model structure is more firm.
Further, indent composition in bottom center position has positioning groove in the vacuum tubings, and the lower rod end is embedding
Enter in the positioning groove.In this way, the utility model limits pillar by positioning groove when applying, this reality can be further reduced
With the vibration of vacuum tubings inner part when novel displacement.
Further, the rubber stopper includes upper and lower two-section cylinder, and the upper end cylinder outer diameter is identical as vacuum tubings outer diameter,
Lower end cylinder outer diameter is identical as vacuum tubings internal diameter, the annular region outside the opposite connection lower end cylinder region in upper end cylinder lower end surface
It is contacted with vacuum tubings top.It is positioned in this way, the rubber stopper of the utility model is supported by vacuum tubings, can further promote this reality
With new structural stability.
Further, the upper end cylinder lateral wall composition of the rubber stopper has external screw thread, and the pipe cap composition has outer with this
The matched internal screw thread of screw thread, pipe cap are connect by the matched mode of screw thread with rubber stopper.Wherein, pipe cap passes through the matched side of screw thread
Formula is connect with rubber stopper, and it is convenient to dismount, and can promote the structural strength of pipe cap Yu rubber stopper connection structure.
In conclusion the utility model has the following beneficial effects: (1) the utility model overall structure is simple, convenient for real
Existing, at low cost, by setting buffer board and helical duct, blood is slow along helical duct when the utility model is applied
It is flow to vacuum tubings bottom, can prevent red blood cell from directly hitting and cause to rupture, avoid haemolysis, and then be avoided that because molten
Blood impacts result of laboratory test.
(2) the utility model is equipped with spinosity plug needle and blood taking needle and can directly carry out operation blood sampling in specific application, adopt
Bloody stool is prompt.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of one specific embodiment of the utility model.
Title corresponding to appended drawing reference in attached drawing are as follows: 1, vacuum tubings, 2, pipe cap, 3, rubber stopper, 4, buffer board, 5, interior
Cylinder, 6, spiral plate, 7, pillar, 8, strainer, 9, vacuum chamber, 10, pull ring, 11, pull ring button, 12, connecting column, 13, pressing plate, 14, limit
Position cylinder, 15, thorn plug needle, 16, blood taking needle.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment:
As shown in Figure 1, convenient for the vacuum blood collection tube of blood sampling, including it is vacuum tubings 1, pipe cap 2, rubber stopper 3, buffer board 4, interior
Cylinder 5, spiral plate 6, pillar 7, pull ring 10, connecting column 12, pressing plate 13, thorn plug needle 15 and blood taking needle 16, wherein the present embodiment it is true
1 upper end opening of blank pipe body, rubber stopper 3 is embedded in vacuum tubings 1 and 1 upper end opening of containing vacuum tube body.The rubber of the present embodiment
Plug 3 includes upper and lower two-section cylinder, and the upper end cylinder outer diameter is identical as 1 outer diameter of vacuum tubings, lower end cylinder outer diameter and vacuum tubings 1
Internal diameter is identical, contacts at the top of the annular region and vacuum tubings 1 outside the opposite connection lower end cylinder region in upper end cylinder lower end surface, rubber
Rubber plug 3 is especially by its lower end cylinder insertion vacuum tubings 1.
The pipe cap 2 of the present embodiment is sheathed on 1 open end lateral wall of vacuum tubings and rubber stopper 3, pipe cap 2 and rubber stopper 3
Between constitute have accommodating cavity.The upper end cylinder lateral wall composition of rubber stopper 3 has external screw thread, and the composition of pipe cap 2 has and the external screw thread
Matched internal screw thread, pipe cap 2 are connect by the matched mode of screw thread with rubber stopper 3.
The pull ring 10 and pipe cap 2 of the present embodiment are coaxially disposed and are fixed on 2 upper surface of pipe cap, and pressing plate 13 is set on pull ring 10
Side, and pressing plate 13 is fixedly connected with pull ring 10 by the more connecting columns 12 being vertically arranged, more connecting columns 12 are in same circumference
Upper equidistant arrangement.For the ease of pulling pull ring 10,10 side of pull ring of the present embodiment is equipped with notch, which is equipped with pull ring
Button 11.15 upper end of thorn plug needle of the present embodiment is fixedly connected with 13 lower end surface of pressing plate, and lower end sequentially passes through 10 central area of pull ring
It is arranged in the accommodating cavity after domain and pipe cap 2, thorn plug 15 upper end of needle is connected by the conduit and blood taking needle 16 for passing through pressing plate 13.In order to
The displacement of thorn plug needle 15 is limited, the limit being fixedly connected with 2 inner top of pipe cap is equipped in the accommodating cavity of the present embodiment
Cylinder 14, thorn plug needle 15 pass through position-limiting drum 14.
The rubber stopper 3 of the present embodiment, which is constituted, the vacuum chamber 9 being located at immediately below thorn plug needle 15, and buffer board 4 is set to vacuum tube
In body 1 and it is located at 3 lower section of rubber stopper, 4 circumferential edge of buffer board is in close contact with 1 inner wall of vacuum tubings, buffer board 4 and rubber
Region forms adapter cavity between plug 3.The inner cylinder 5 of the present embodiment is set in vacuum tubings 1 and the upper end and 4 lower end surface of buffer board are solid
Fixed connection, spiral plate 6 be sheathed on inner cylinder 5 and its separate region between 5 outer wall of inner cylinder and 1 inner wall of vacuum tubings formed spiral to
Under helical duct, buffer board 4 constitute have connect adapter cavity and helical duct recirculation hole.The pillar 7 of the present embodiment is set vertically
It sets, 7 upper end of pillar is fixedly connected with 4 lower end surface of buffer board, and lower end is contacted with bottom in vacuum tubings 1.In order to avoid pillar 7
It shakes, indent composition in bottom center position has positioning groove in the vacuum tubings 1 of the present embodiment, and 7 lower end of pillar is embedded in the positioning
In groove.For the foreign matters such as the blood clot, the fiber protein yarn that suspend in filtered plasma or serum, 5 lower end of inner cylinder of the present embodiment
It is connected with cricoid strainer 8, the outer ring and 1 inner wall of vacuum tubings of strainer 8 are in close contact.
The above content is the further descriptions made in conjunction with specific preferred embodiment to the utility model, cannot recognize
Determine specific embodiment of the present utility model to be only limited to these instructions.For the common skill of the utility model technical field
For art personnel, the other embodiments obtained in the case where not departing from the technical solution of the utility model be should be included in practical
In novel protection scope.
Claims (7)
1. convenient for the vacuum blood collection tube of blood sampling, which is characterized in that including vacuum tubings (1), pipe cap (2), rubber stopper (3), buffering
Plate (4), inner cylinder (5), spiral plate (6), pull ring (10), pressing plate (13), thorn plug needle (15) and blood taking needle (16), the vacuum tubings
(1) upper end opening, the rubber stopper (3) is embedded in vacuum tubings (1) and containing vacuum tube body (1) upper end opening, the pipe cap
(2) it is sheathed on vacuum tubings (1) open end lateral wall and rubber stopper (3), and constitutes and have between pipe cap (2) and rubber stopper (3)
Accommodate cavity；The pull ring (10) and pipe cap (2) are coaxially disposed and are fixed on pipe cap (2) upper surface, and the pressing plate (13) is set to
Above pull ring (10), and pressing plate (13) is fixedly connected with pull ring (10) by the more connecting columns (12) being vertically arranged, more institutes
The connecting column (12) stated equidistant arrangement on the same circumference；The fixed company in thorn plug needle (15) upper end and pressing plate (13) lower end surface
It connects, lower end is arranged in the accommodating cavity after sequentially passing through pull ring (10) middle section and pipe cap (2), and thorn plug needle (15) upper end passes through
It is connected across the conduit of pressing plate (13) and blood taking needle (16)；The rubber stopper (3), which constitutes to have, to be located at immediately below thorn plug needle (15)
Vacuum chamber (9), the buffer board (4) are set in vacuum tubings (1) and are located at below rubber stopper (3), buffer board (4) circumferential edge
It is in close contact with vacuum tubings (1) inner wall, region forms adapter cavity between buffer board (4) and rubber stopper (3)；The inner cylinder
(5) it is set in vacuum tubings (1) and the upper end is fixedly connected with buffer board (4) lower end surface, the spiral plate (6) is sheathed on inner cylinder
(5) on and it separates the helical duct that region between inner cylinder (5) outer wall and vacuum tubings (1) inner wall forms downward spiral, described
Buffer board (4), which is constituted, the recirculation hole for connecting adapter cavity and helical duct.
2. the vacuum blood collection tube according to claim 1 convenient for blood sampling, which is characterized in that in the accommodating cavity equipped with
The position-limiting drum (14) that pipe cap (2) inner top is fixedly connected, thorn plug needle (15) pass through position-limiting drum (14).
3. the vacuum blood collection tube according to claim 1 convenient for blood sampling, which is characterized in that inner cylinder (5) the lower end connection
Have cricoid strainer (8), the outer ring and vacuum tubings (1) inner wall of the strainer (8) are in close contact.
4. the vacuum blood collection tube according to claim 1 convenient for blood sampling, which is characterized in that further include the pillar being vertically arranged
(7), pillar (7) upper end is fixedly connected with buffer board (4) lower end surface, and lower end is contacted with vacuum tubings (1) interior bottom.
5. the vacuum blood collection tube according to claim 4 convenient for blood sampling, which is characterized in that the interior bottom of the vacuum tubings (1)
Central part indent composition in portion's has positioning groove, and pillar (7) lower end is embedded in the positioning groove.
6. convenient for the vacuum blood collection tube of blood sampling described according to claim 1~any one of 5, which is characterized in that the rubber
Rubber plug (3) includes upper and lower two-section cylinder, and the upper end cylinder outer diameter is identical as vacuum tubings (1) outer diameter, lower end cylinder outer diameter and true
Blank pipe body (1) internal diameter is identical, annular region and vacuum tubings (1) outside the opposite connection lower end cylinder region in upper end cylinder lower end surface
Top contact.
7. the vacuum blood collection tube according to claim 6 convenient for blood sampling, which is characterized in that the upper end of the rubber stopper (3)
Cylinder lateral wall composition has external screw thread, and the pipe cap (2), which constitutes to have, passes through spiral shell with the matched internal screw thread of the external screw thread, pipe cap (2)
The matched mode of line is connect with rubber stopper (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820460813.2U CN208573745U (en) | 2018-04-03 | 2018-04-03 | Convenient for the vacuum blood collection tube of blood sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820460813.2U CN208573745U (en) | 2018-04-03 | 2018-04-03 | Convenient for the vacuum blood collection tube of blood sampling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208573745U true CN208573745U (en) | 2019-03-05 |
Family
ID=65503074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820460813.2U Expired - Fee Related CN208573745U (en) | 2018-04-03 | 2018-04-03 | Convenient for the vacuum blood collection tube of blood sampling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208573745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112535478A (en) * | 2020-12-29 | 2021-03-23 | 江西金域医学检验所有限公司 | Multifunctional vacuum blood collection tube |
-
2018
- 2018-04-03 CN CN201820460813.2U patent/CN208573745U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112535478A (en) * | 2020-12-29 | 2021-03-23 | 江西金域医学检验所有限公司 | Multifunctional vacuum blood collection tube |
| CN112535478B (en) * | 2020-12-29 | 2022-11-25 | 江西金域医学检验实验室有限公司 | Multifunctional vacuum blood collection tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190305 Termination date: 20200403 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |