CN203943678U - The quantitative micro blood-taking tube of disposable use - Google Patents
The quantitative micro blood-taking tube of disposable use Download PDFInfo
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- CN203943678U CN203943678U CN201420170337.2U CN201420170337U CN203943678U CN 203943678 U CN203943678 U CN 203943678U CN 201420170337 U CN201420170337 U CN 201420170337U CN 203943678 U CN203943678 U CN 203943678U
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- liquid pipe
- move back
- blood
- capillary pipette
- moves back
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Abstract
The utility model discloses the quantitative micro blood-taking tube of a kind of disposable use, what comprise the capillary pipette of both ends open and connection and an end opening and hollow moves back liquid pipe, the described liquid pipe that moves back is provided with passage, it is characterized in that: described in one end insertion of described capillary pipette, move back in liquid pipe, and coordinate with the described inwall that moves back liquid pipe; Described capillary pipette is structure as a whole, by with move back cooperation section that liquid pipe coordinates, be plugged in and move back the inserting paragraph in liquid pipe and expose to the blood sampling section of moving back liquid pipe, described in the external diameter of described inserting paragraph is less than, move back the internal diameter of liquid pipe, the outer edge surface of described inserting paragraph and described in move back between the inner edge surface of liquid pipe and form and move back liquid gap.This utility model moves back liquid gap by setting, realizes real quantitatively adopting high water wetted material cellulose acetate plastics to make capillary pipette, can realize self-suction function without doing hydrophilic treated.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, is specifically related to the quantitative micro blood-taking tube of a kind of disposable use.
Background technology
Micro blood-taking tube is the common tool that the medical departments such as hospital gather blood, this micro blood-taking tube is less by internal diameter, the glass tubing of both ends open and connection is made, while gathering blood, one end of micro blood-taking tube is contacted with blood to be collected, utilize capillary theory, make blood to be collected automatically enter micro blood-taking tube inside, while gathering blood, generally there is the requirement of capacity, be marked with containing mark at micro blood-taking tube, as 5 microlitres, 10 microlitres, 15 microlitres, 20 microlitres ... 50 microlitres.Because blood to be collected enters the speed of micro blood-taking tube, medical worker often has little time to remove micro blood-taking tube in the time that blood arrives on the scale needing, cause actual blood sampling volume to be greater than the blood sampling volume of needs, thereby in the time taking out in micro blood-taking tube blood, not only need micro blood-taking tube to be inserted in the red water dropper of latex, then push the red water dropper of latex with finger, just can shift out the blood in micro blood-taking tube, and to control the amount of taking-up, and long and inaccuracy of whole process used time, also inconvenient.
For this reason, there is a kind of quantitative blood taking tube, as " self-priming quantitative micro blood-taking tube " (CN 203169187 U) of Chinese patent announcement, what comprise the micro blood-taking tube of both ends open and connection and an end opening and hollow can extruding gasbag, micro blood-taking tube inserts and is adhesively fixed in the port of air bag through bonding agent, and the top of air bag has the passage being communicated with this air bag inner chamber, micro blood-taking tube is made up of water wetted material, utilize the characteristic of water wetted material and capillarity, when blood sampling, blood can enter into micro blood-taking tube, while taking out blood, block passage and extruding gasbag can be extruded blood with finger.
As mentioned above, there is following some deficiency in said structure:
1, the inwall of the outer wall of micro blood-taking tube and air bag port is to stick with glue to connect fixing, gluing mounting means complexity, inconvenience, waste operation and manpower;
2, when trace blood blood sampling tube, self-priming effect extreme difference, must rely on staff to press pressuring gasbag auxiliary, utilizing air bag to assist has sucked blood, if the extruding force by air bag is sucked blood, can adopt a part of blood while causing taking a blood sample enter into air bag, the blood flow volume inaccuracy of finally extruding, can not realize real quantitative more;
3, micro blood-taking tube is made up of glass, not only frangible, and in the season of plum rains humidity, is difficult to realize the function of self-priming;
4, micro blood-taking tube is made up of hydrophilic high molecular material, and water wetted material is of a great variety, and this patent is not pointed out a kind of water wetted material, is difficult to realize; And most of water wetted material need to carry out hydrophilic treated, complex process, cost is high;
5, passage is arranged at the top of air bag, in the time moving back liquid, when two finger extruding gasbags, also needs a finger to push down passage, and operator need to just can operate with three fingers like this, operation and inconvenient.
Summary of the invention
This utility model object is to provide the quantitative micro blood-taking tube of a kind of disposable use, by using this structure, realizes quantitative self-priming blood sampling, without carrying out hydrophilic treated, has reduced cost.
For achieving the above object, the technical solution adopted in the utility model is: the quantitative micro blood-taking tube of a kind of disposable use, what comprise the capillary pipette of both ends open and connection and an end opening and hollow moves back liquid pipe, the described liquid pipe that moves back is provided with passage, move back in liquid pipe described in inserting one end of described capillary pipette, and coordinate with the described inwall that moves back liquid pipe; Described capillary pipette is structure as a whole, by with move back cooperation section that liquid pipe coordinates, be plugged in and move back the inserting paragraph in liquid pipe and expose to the blood sampling section of moving back liquid pipe, described in the external diameter of described inserting paragraph is less than, move back the internal diameter of liquid pipe, the outer edge surface of described inserting paragraph and described in move back between the inner edge surface of liquid pipe and form and move back liquid gap; The described outer edge surface that coordinates section with described in move back liquid pipe inwall be interference fit; The described liquid pipe that moves back forms by moving back liquid connection tube and moving back hydraulic tube, moves back the middle part of hydraulic tube described in described passage is arranged at, described in move back liquid connection tube top and be connected with the described hydraulic tube that moves back, bottom coordinates with described capillary pipette; Described capillary pipette is made up of water wetted material cellulose acetate plastics.
In technique scheme, the outer edge surface diameter of described inserting paragraph be move back liquid pipe inner edge surface diameter 60%～95%.
In technique scheme, capillary pipette adopts high water wetted material cellulose acetate plastics to make, cellulose acetate plastics possesses high-hydrophilic energy, in use, 5 microlitres and following specification capillary pipette are placed and can be utilized self-suction function can complete self-priming in vertical mode, due to gravity reason, after exceeding 5 microlitres, need to adjust angle and carry out self-priming, that is to say, along with the increase of capacity, self-priming angle also slowly diminishes, until capillary pipette is placed in a horizontal manner, like this no matter capacity is much, capillary pipette can enter into capillary pipette by complete the blood of ormal weight self-priming, the blood that is drawn onto ormal weight is incited somebody to action no longer self-priming afterwards, without moving back hydraulic tube by pressing, realize real quantitatively.In the blood taking tube in the past using, even if blood taking tube possesses self-suction function, but self-priming effect extreme difference, and must be by just completing blood sampling by pressuring gasbag, and in the middle of practical operation, because personnel's difference in operation must cause quantitatively inaccurate.In the present embodiment, the self-suction function that the cellulose acetate plastics that capillary pipette adopts possesses can carry out self-priming by the blood of certain specification completely, without sucking blood by air bag is auxiliary, quantitatively more accurate.
Because technique scheme is used, this utility model compared with prior art has following advantages:
1. in this utility model, arrange and move back liquid gap, compared with structure in the past, because can being extruded to more, the maloperation liquid of inhaling moves back in liquid gap, the blood of inhaling can not extruded to blood taking tube more, only the ormal weight blood expression of capillary pipette can be gone out, realize real quantitatively;
2. capillary pipette adopts the mode of interference fit to be connected with moving back liquid pipe, compared with in the past bonding mode, saves operation, reduces production costs;
3. passage is arranged at the middle part of moving back hydraulic tube, namely finger press place, when staff operates, finger can directly be pushed down passage, without separating a finger, passage is pressed, and operates simpler;
4. capillary pipette is made up of cellulose acetate plastics, cellulose acetate plastics is a kind of high water wetted material, the capillary pipette that adopts cellulose acetate plastics to make not only possesses the function of glass capillary pipette processed, but also possesses the not available self-suction function of other plastics, hydrophilicity is good, also large from pipette, without assisting and suck blood by air bag, quantitatively more accurate; The capillary pipette that simultaneously cellulose acetate plastics is made is without carrying out hydrophilic treated, directly production and application, and cost is lower, better effects if.
Brief description of the drawings
Fig. 1 is the structural representation in this utility model embodiment mono-;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of capillary pipette in this utility model embodiment mono-.
Wherein: 1, capillary pipette; 2, passage; 3, coordinate section; 4, inserting paragraph; 5, blood sampling section; 6, move back liquid gap; 7, move back liquid connection tube; 8, move back hydraulic tube.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment mono-: shown in Fig. 1～3, the quantitative micro blood-taking tube of a kind of disposable use, what comprise the capillary pipette 1 of both ends open and connection and an end opening and hollow moves back liquid pipe, the described liquid pipe that moves back is provided with passage 2, move back in liquid pipe described in inserting one end of described capillary pipette 1, and with described inwall interference fit of moving back liquid pipe.Adopt the mode of interference fit, compared with in the past bonding mode, save operation, reduced labor intensity, also reduced production cost.
Described capillary pipette 1 is structure as a whole, adopt high water wetted material cellulose acetate plastics to make, specification is 5 microlitres, 10 microlitres, 15 microlitres, 20 microlitres ... 50 microlitres etc., certainly, specification is made according to actual market service condition, the capillary pipette 1 that this material is made, without carrying out hydrophilic treated, directly just can use after producing.As shown in Figures 1 to 3, described capillary pipette 1 by with move back cooperation section 3 that liquid pipe coordinates, be plugged in the inserting paragraph 4 of moving back in liquid pipe and expose to the blood sampling section 5 of moving back liquid pipe, described in being less than, the external diameter of described inserting paragraph 4 moves back the internal diameter of liquid pipe, for move back liquid pipe inner edge surface diameter 75%, scope is unsuitable excessive, also unsuitable too small, be suitably for 60%～95%; The outer edge surface of described inserting paragraph 4 and described in move back between the inner edge surface of liquid pipe and form and move back liquid gap 6.In the time extruding blood, maloperation blood expressions of inhaling can be moved back to this in liquid gap 6 more, can from blood taking tube, push away, namely can be by the blood expression of inhaling in test tube or other device more, realize real quantitative.
As shown in Figures 1 to 3, described in move back liquid pipe and form by moving back liquid connection tube 7 and moving back hydraulic tube 8, be also made into integration, adopt general flexible plastic.Described in described passage 2 is arranged at, move back the middle part of hydraulic tube 8, described in move back liquid connection tube 7 tops and be connected with the described hydraulic tube 8 that moves back, bottom coordinates with described capillary pipette 1.In the present embodiment, this passage 2 accounts for and moves back 1/3～1/2 of hydraulic tube 8 total lengths to moving back hydraulic tube 8 tops, passage 2 is arranged at this position, mainly that operator are in the time of operation, finger generally directly presses on this position, while operation like this, just without separating a finger, passage 2 is pressed, operate simplyr, certainly, the position of passage 2 also can be arranged at other place, can be according to use crowd, the position of passage 2 is set, is made into the blood taking tube of different size, in order to be applicable to different crowds.
In the present embodiment, when use, 5 microlitres and following specification capillary pipette 1 are placed and can be utilized self-suction function can complete self-priming in vertical mode, due to gravity reason, after exceeding 5 microlitres, need to adjust angle and carry out self-priming, that is to say, along with the increase of capacity, self-priming angle also slowly diminishes, until capillary pipette 1 is placed in a horizontal manner, like this no matter capacity is much, capillary pipette 1 can enter into capillary pipette 1 by complete the blood of ormal weight self-priming, the blood that is drawn onto ormal weight is incited somebody to action no longer self-priming afterwards, without moving back hydraulic tube 8 by pressing, realize real quantitatively.
Claims (2)
1. the quantitative micro blood-taking tube of disposable use, what comprise the capillary pipette of both ends open and connection and an end opening and hollow moves back liquid pipe, the described liquid pipe that moves back is provided with passage, it is characterized in that: described in one end insertion of described capillary pipette, move back in liquid pipe, and coordinate with the described inwall that moves back liquid pipe; Described capillary pipette is structure as a whole, by with move back cooperation section that liquid pipe coordinates, be plugged in and move back the inserting paragraph in liquid pipe and expose to the blood sampling section of moving back liquid pipe, described in the external diameter of described inserting paragraph is less than, move back the internal diameter of liquid pipe, the outer edge surface of described inserting paragraph and described in move back between the inner edge surface of liquid pipe and form and move back liquid gap; The described outer edge surface that coordinates section with described in move back liquid pipe inwall be interference fit; The described liquid pipe that moves back forms by moving back liquid connection tube and moving back hydraulic tube, moves back the middle part of hydraulic tube described in described passage is arranged at, described in move back liquid connection tube top and be connected with the described hydraulic tube that moves back, bottom coordinates with described capillary pipette; Described capillary pipette is made up of water wetted material cellulose acetate plastics.
2. the quantitative micro blood-taking tube of disposable use according to claim 1, is characterized in that: the outer edge surface diameter of described inserting paragraph be move back liquid pipe inner edge surface diameter 60%～95%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420170337.2U CN203943678U (en) | 2014-04-10 | 2014-04-10 | The quantitative micro blood-taking tube of disposable use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420170337.2U CN203943678U (en) | 2014-04-10 | 2014-04-10 | The quantitative micro blood-taking tube of disposable use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203943678U true CN203943678U (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420170337.2U Expired - Fee Related CN203943678U (en) | 2014-04-10 | 2014-04-10 | The quantitative micro blood-taking tube of disposable use |
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| Country | Link |
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| CN (1) | CN203943678U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017995A (en) * | 2016-07-27 | 2016-10-12 | 江苏奥罗生物诊断有限公司 | Sample tube for quantitatively collecting liquid |
| CN108992075A (en) * | 2018-07-11 | 2018-12-14 | 张思东 | The blood collecting tubulasis of disposable polyethylene alcohol material |
| CN110548553A (en) * | 2019-09-20 | 2019-12-10 | 安图实验仪器(郑州)有限公司 | Trace liquid collecting and filling device |
-
2014
- 2014-04-10 CN CN201420170337.2U patent/CN203943678U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017995A (en) * | 2016-07-27 | 2016-10-12 | 江苏奥罗生物诊断有限公司 | Sample tube for quantitatively collecting liquid |
| CN108992075A (en) * | 2018-07-11 | 2018-12-14 | 张思东 | The blood collecting tubulasis of disposable polyethylene alcohol material |
| CN110548553A (en) * | 2019-09-20 | 2019-12-10 | 安图实验仪器(郑州)有限公司 | Trace liquid collecting and filling device |
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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: 20141119 Termination date: 20180410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |