CN204016307U - A kind of vacuum test tube - Google Patents
A kind of vacuum test tube Download PDFInfo
- Publication number
- CN204016307U CN204016307U CN201420412723.8U CN201420412723U CN204016307U CN 204016307 U CN204016307 U CN 204016307U CN 201420412723 U CN201420412723 U CN 201420412723U CN 204016307 U CN204016307 U CN 204016307U
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- CN
- China
- Prior art keywords
- test tube
- block
- plug
- pipe
- vacuum
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of vacuum test tube, its drip irrigation device comprises block, plug, test tube, plug inlay card is in block, test tube pierces in block and is tightly connected with plug, and block top is provided with and thrusts puncture orifice in plug injecting tube for blood taking needle, cylindrically, the pipeline of described test tube is that bending wriggles and arranges downwards by the mouth of pipe to the bottom of test tube of test tube to described test tube.Its structure is simple, and handled easily, can effectively prevent negative pressure in blood specimen collection process excessive, velocity of blood flow is too fast, causes erythrocyte mutually clash into thus cause haemolysis.
Description
Technical field
This utility model relates to vacuum test tube technical field, and more particularly, it relates to a kind of vacuum test tube.
Background technology
Vacuum test tube was applied to clinical inspection blood sampling new product in recent years.Because it is easy and simple to handle, clean safe, accurately and reliably, just generally apply for each hospital, the vacuum test tube generally used at present is made up of plug, block, test tube, wherein block is fastened on plug, plug and test tube fitted seal, block top middle portion is provided with thrusts puncture orifice in plug injecting tube for blood taking needle.Vacuum test tube is the collection utilizing the principle of negative pressure of vacuum to carry out blood, and invisible spectro negative pressure is excessive easily occurs haemolysis, and negative pressure is relatively large, it is too quickly that blood flows into excessive velocities at the bottom of test tube, cause erythrocyte mutually to clash into, cause erythrocyte fragmentation, sample hemolysis.
The haemolysis in order to prevent in vitro negative pressure excessive, when blood sample collection specimen, general employing is by the blood taking tube that tilts a little after blood taking needle afterbody insertion blood taking tube, its afterbody dial is made to press close to the sidewall of test tube, this method blood slowly flowed down, avoids erythrocyte directly to clash into cause and break, although can reduce the possibility that haemolysis occurs, but higher for the requirement of operation, and the generation of haemolysis can not be stopped.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of vacuum test tube, and its structure is simple, handled easily, can effectively prevent negative pressure in blood specimen collection process excessive, velocity of blood flow is too fast, causes erythrocyte mutually clash into thus cause haemolysis.
For achieving the above object, this utility model provides following technical scheme: a kind of vacuum test tube, comprise block, plug, test tube, plug inlay card is in block, test tube pierces in block and is tightly connected with plug, and block top is provided with and thrusts puncture orifice in plug injecting tube for blood taking needle, cylindrically, the pipeline of described test tube be that bending wriggles setting downwards by the mouth of pipe to the bottom of test tube of test tube to described test tube.
By adopting technique scheme, the pipeline of test tube is that bending wriggles and arranges downwards by the mouth of pipe to the bottom of test tube of test tube, when blood sample collection without the need to test tube being tilted to make blood taking needle be affixed on inboard wall of test tube to prevent haemolysis by effort again, only need directly blood taking needle to be thrust in vitro, blood just can flow into bottom test tube by the test tube wall along sinuous countryside, its structure is simple, handled easily, can effectively prevent negative pressure in blood specimen collection process excessive, velocity of blood flow is too fast, causes erythrocyte mutually clash into thus initiate haemolysis.
This utility model is set to further: the S-shaped setting of pipeline of described test tube.
By adopting technique scheme, be further qualified the pipe shape of test tube, it is S-shaped arranges more convenient processing, and it can meet makes blood slowly flow into effect at the bottom of test tube pipe.
This utility model is set to further: described test tube is separated in separate first in middle part and manages in pipe, second, the upper and lower two ends of described test tube are equipped with opening and the opening interior pipe of UNICOM first and the second interior pipe respectively, and described opening is all sealedly connected with block and plug.
By adopting technique scheme, test tube is separated in separate first in middle part and manages in pipe, second, test tube is separated into laterally zygomorphic two parts, and be all supportingly provided with plug and block, in pipe, second, pipe all can use as an independent vacuum test tube in first, two pipe unifications, save material, and use when gathering multitube blood sample also convenient.
This utility model is set to further: be provided with for by the buckle of blocking a shot and test tube inlay card is fixing between described block and test tube wall.
By adopting technique scheme, block and test tube can be made to obtain more effective fixing, preventing test tube from coming off from block, leakage is caused to blood sample.
This utility model is set to further: the medial wall of described block is provided with the first annular convex edge, and the outer wall at described test tube two ends is provided with the second convex annular edge for the annular convex edge of inlay card first.
By adopting technique scheme, test tube is insert in block and seal with the plug inlay card in block, when test tube inserts in block, second convex annular of test tube outer wall is fixed along the inlay card that will interlock with the first annular convex edge shape groove of block medial wall, effectively prevent because operate miss or external force reason cause test tube to deviate from from block.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of vacuum test tube embodiment of this utility model;
Fig. 2 is the part A enlarged drawing of Fig. 1;
Fig. 3 is the part B enlarged drawing of Fig. 1.
Description of reference numerals: 1, block a shot; 2, plug; 3, test tube; 11, puncture orifice; 12, the first annular convex edge; 31, the first interior pipe; 32, the second interior pipe; 33, the second convex annular edge.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, a kind of vacuum test tube embodiment of this utility model is described further.
The present embodiment vacuum test tube, comprise block 1, plug 2, test tube 3, plug 2 inlay card is in block 1, test tube 3 pierces in block 1 and is tightly connected with plug 2, and block 1 top is provided with and thrusts puncture orifice 11 in plug 2 injecting tube 3 for blood taking needle, cylindrically, the pipeline of described test tube 3 is S-shaped arranges the bottom of wriggling down to test tube 3 to described test tube 3.The pipeline of test tube 3 is in downward S shape of wriggling, when blood sample collection without the need to test tube 3 being tilted to make blood taking needle be affixed on test tube 3 inwall to prevent haemolysis by effort again, only need directly blood taking needle to be thrust in test tube 3, blood just can flow into bottom test tube 3 by test tube 3 wall along sinuous countryside, its structure is simple, and handled easily, can effectively prevent negative pressure in blood specimen collection process excessive, velocity of blood flow is too fast, causes erythrocyte mutually clash into thus cause haemolysis.The internal structure of test tube 3 is by Mould Machining molding, and its structure is not tightly confined to S shape, it can also be set to the structure under similar "the" shape or screw, but spiral type processing relative difficulty, and employing S shape has just met the needs at the bottom of the slow inflow pipe of blood, "the" shape, then because it is with corner angle, is unfavorable for the flowing of blood, and therefore this structure sentencing S shape is as preferred embodiment.
Described test tube 3 to be separated in separate first pipe 32 in pipe 31, second in middle part, described test tube about 3 two ends are equipped with opening and opening pipe 32 in pipe 31 and second in UNICOM first respectively, and described opening is all sealedly connected with block 1 and plug 2.Test tube 3 length is in the past usually longer, but usually only need gather several milliliters during blood sampling just can, test tube 3 is oversize is also waste to material, the raising of production cost, test tube 3 to be separated in separate first pipe 32 in pipe 31, second by this programme in middle part, test tube 3 laterally zygomorphic two parts have been separated into, and all supporting be provided with plug 2 and block 1, in first, in pipe 31, second, pipe 32 all can use as an independent vacuum test tube, two pipe unifications, save material, and use when gathering multitube blood sample also convenient.
The buckle for block 1 and test tube 3 inlay card being fixed is provided with between described block 1 and test tube 3 wall.Test tube 3 is in the past usually by being fixed with frictional force during plug 2 inlay card, but fixed effect bad like this, test tube 3 is easily deviate from from block 1, especially take a blood sample complete blood taking needle is extracted time, usually need block 1 and test tube 3 to be fixed with hands, have certain inconvenience, it is more effective fixing that this programme can make block 1 and test tube 3 obtain, prevent test tube 3 from coming off from block 1, leakage is caused to blood sample.
The medial wall of described block 1 is provided with the first annular convex edge 12, and the outer wall at described test tube 3 two ends is provided with the second convex annular for the annular convex edge 12 of inlay card first along 33.Test tube 3 is insert in block 1 and seal with plug 2 inlay card in block 1, when test tube 3 inserts in block 1, second convex annular of test tube 3 outer wall is fixed along the inlay card that 33 will interlock with first of block 1 medial wall annular convex edge 12 shape groove, effectively prevent because operate miss or external force reason cause test tube 3 to deviate from from block 1.Block 1 is generally plastics and makes, and it is with certain elasticity, when test tube 3 inserts in block 1, as long as a little firmly the second convex annular just can pass the first annular convex edge 12 along 33, and form inlay card with the first annular convex edge 12 and fix.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, all within design concept of the present utility model, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a vacuum test tube, comprise block, plug, test tube, plug inlay card is in block, test tube pierces in block and is tightly connected with plug, and block top is provided with and thrusts puncture orifice in plug injecting tube for blood taking needle, described test tube cylindrically, is characterized in that: the pipeline of described test tube is that bending wriggles and arranges downwards by the mouth of pipe to the bottom of test tube of test tube.
2. a kind of vacuum test tube according to claim 1, is characterized in that: the S-shaped setting of pipeline of described test tube.
3. a kind of vacuum test tube according to claim 1 and 2, it is characterized in that: described test tube is separated in separate first in middle part and manages in pipe, second, the upper and lower two ends of described test tube are equipped with opening and the opening interior pipe of UNICOM first and the second interior pipe respectively, and described opening is all sealedly connected with block and plug.
4. a kind of vacuum test tube according to claim 3, is characterized in that: be provided with for by the buckle of blocking a shot and test tube inlay card is fixing between described block and test tube wall.
5. a kind of vacuum test tube according to claim 4, is characterized in that: the medial wall of described block is provided with the first annular convex edge, and the outer wall at described test tube two ends is provided with the second convex annular edge for the annular convex edge of inlay card first.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412723.8U CN204016307U (en) | 2014-07-24 | 2014-07-24 | A kind of vacuum test tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412723.8U CN204016307U (en) | 2014-07-24 | 2014-07-24 | A kind of vacuum test tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204016307U true CN204016307U (en) | 2014-12-17 |
Family
ID=52056234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420412723.8U Expired - Fee Related CN204016307U (en) | 2014-07-24 | 2014-07-24 | A kind of vacuum test tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204016307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106880363A (en) * | 2015-12-16 | 2017-06-23 | 江苏康捷医疗器械有限公司 | A kind of vacuum test tube |
| CN113171093A (en) * | 2021-04-25 | 2021-07-27 | 苏福淋 | Neurosurgery vacuum test tube dropout prevention means |
-
2014
- 2014-07-24 CN CN201420412723.8U patent/CN204016307U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106880363A (en) * | 2015-12-16 | 2017-06-23 | 江苏康捷医疗器械有限公司 | A kind of vacuum test tube |
| CN113171093A (en) * | 2021-04-25 | 2021-07-27 | 苏福淋 | Neurosurgery vacuum test tube dropout prevention means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20210724 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |