CN102854106B - Blood sedimentation tube assembly - Google Patents
Blood sedimentation tube assembly Download PDFInfo
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- CN102854106B CN102854106B CN201210307584.8A CN201210307584A CN102854106B CN 102854106 B CN102854106 B CN 102854106B CN 201210307584 A CN201210307584 A CN 201210307584A CN 102854106 B CN102854106 B CN 102854106B
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Abstract
The invention discloses a blood sedimentation tube assembly, comprising a blood sedimentation tube and a test tube. The blood sedimentation tube comprises a tube body; a lower opening of the tube body is a liquid inlet; an upper opening of the tube body is provided with a liquid blocking device for evacuating air in the tube body and preventing liquid eruption from the tube body; a rubber plug is arranged at the lower part of the tube body, and comprises a head section and a skirt section; the head section is sheathed on and closely fixed with the tube body; the head section circumference is provided with a plurality of annular bulges capable of sealing and matching with a tube hole; the skirt section is in a cone shape with an inner conical surface and an outer conical surface; and the outer diameter of the skirt section is larger than the inner diameter of the test tube hole. The technical scheme has advantages of simple structure, convenient usage and operation, small risk of sample contamination and low manufacture cost.
Description
Technical field
The invention belongs to blood testing apparatus field, relate in particular to for erythrocyte sedimentation rate and detect the blood sedimentation tube assembly using.
Background technology
Erythrocyte sedimentation rate refers to, anticoagulation is put into blood sedimentation tube vertically standing, and red blood cell is because density is compared with sinking greatly.Conventionally with red blood cell, in the distance of end sinking in first hour, represent erythrocytic settling velocity, be called erythrocyte sedimentation rate (ESR).
In prior art, the blood sedimentation tube always using is made by the glass tube of both ends open and internal diameter 3mm.This glass tube is being put on a scale every 1mm within the scope of one openend 20cm.While using the blood sedimentation tube of this kind of prior art, first must inhale blood sedimentation tube is reduced pressure by mouth, to will be added with anticoagulant, for example, the blood that is added with 3.8% sodium citrate is sucked in blood sedimentation tube, until zero on scale (basic point), or till blood being sucked to 0 of the scale of blood sedimentation tube with syringe etc.Then make that this blood sedimentation tube is vertical measures erythrocytic sedimentation state every a set time after standing.But, while using the blood sedimentation tube of this prior art to carry out blood sedimentation, must directly with mouth, suck or use syringe that blood is sucked to blood sedimentation tube to till scale zero.Although this operation simply but will skillfully and be wasted staff, be lost time, if corpse or other object for laboratory examination and chemical testing number cannot be processed in the short time in many times.And in the process of carrying out at Inspection, medical worker may be by disease on blood infection, for example, the nosocomial infections such as virus hepatitis, AIDS are sick.
For this reason, publication number is that the patent documentation of CN1176387A discloses two kinds of blood sedimentation tubes, the first at internal diameter evenly and in the plastic conduit of both ends open, be inserted with the porous resin that ventilation body do not see through liquid and form blood sedimentation tube, during use, the liquid inflow entrance side of blood sedimentation tube is inserted in the blood of blood sampling, by the other end, make blood sedimentation tube (pump is inhaled or mouth is inhaled) decompression, can make whereby blood most, simultaneously, directly be drawn into the insertion position of poriness synthetic resin body, read blood post scale, can measure erythrocytic settling velocity, but, this scheme is because need to inhale or mouth suction enforcement decompression by pump, so operation or loaded down with trivial details inconvenience, it two is evenly and in the plastic conduit of both ends open to be inserted with one end tool piston portion and the clava (pitch brace) longer and more soft than plastic conduit at internal diameter, during use, the blood that is added with Anti-solidification agent is packed in test tube, the liquid inflow entrance side of plastic conduit is inserted in the blood of test tube, make piston portion overlap and insert like that with the position of the liquid inflow entrance of plastic conduit, under this state, pull the claval other end, make the lower end of piston portion be positioned at 0 scale position of plastic conduit, read blood post scale, can measure erythrocytic settling velocity.But, this scheme pitch brace length is longer, lift after putting in place and need to remove redundance, corresponding easily broken position is generally set so that cut off thereon, if adopt scissors to cut off not have operation convenience, if manually fractureed, operating difficulties, and easily make piston portion depart from 0 scale position, affect detection accuracy.
In addition, in prior art, the blood sample gathering is to be generally kept in the test tube that is added with in advance anti-coagulants to shift or preservation, during detection, the liquid upstream end of blood sedimentation tube is inserted in vitro, by pump, inhale again or pitch brace operates, blood is sucked into the zero graduation position of blood sedimentation tube, then be placed on special stand standing, in order to guarantee the vertically standing of blood sedimentation tube, avoid blood sedimentation tube obliquity effects testing result, generally test tube and blood sedimentation tube need to be located respectively and be fixed on special stand, can increase so undoubtedly manufacturing cost and the manufacture difficulty of special stand, also can increase complex operation degree simultaneously.
Summary of the invention
In order to solve above-mentioned technical matters, the object of this invention is to provide a kind of blood sedimentation tube assembly, simple in structure, to use easy to operately, sample contamination risk is little, low cost of manufacture.
To achieve the above object, the present invention has adopted following technical scheme:
A kind of blood sedimentation tube assembly, comprise blood sedimentation tube and test tube, described blood sedimentation tube comprises body, the lower open end of described body is liquid inlet, the upper open end of described body is installed and can and be stoped the liquid-blocking unit that in body, liquid sprays for Bas Discharged in body, described body bottom is provided with rubber stopper, rubber stopper comprises head and skirt section, head is sleeved on body and is tightly fixed, head periphery is provided with the multiple tracks annular protrusion that can be sealed and matched with test tube pore, skirt section is the tapered sleeve shape with inner conical surface and male cone (strobilus masculinus), skirt section external diameter is greater than test tube pore internal diameter.Like this, while depositing, sample liquid is closed in vitro, in vitro can place in advance anti-coagulants, during detection, take off cap test tube, directly the liquid upstream end of blood sedimentation tube body is inserted to test tube, when rubber stopper and test tube pore interference fit and while continuing to enter, the effect of being squeezed of invisible spectro sample liquid enters the interior also rising of pore of blood sedimentation tube body, until arrive zero graduation line position, assembly is placed on to vertical standing observation on support, because being tightly fixed blood sedimentation tube and test tube, the annular protrusion of rubber stopper head and skirt structure be integrated, so only test tube perpendicular positioning can need to be avoided blood sedimentation tube to tilt, because blood sedimentation tube body inserts one end of test tube and seals, so guaranteed the accuracy of erythrocyte sedimentation rate test.
The location optimization of above-mentioned liquid-blocking unit is corresponding with the zero graduation line position on blood sedimentation tube body.
One of above-mentioned liquid-blocking unit is preferred, is water wettability filter core, water wettability filter core to fill in position corresponding with the zero graduation line on blood sedimentation tube body.When sample liquid rises to water wettability filter core place, filter core infiltrate to expand, and avoids sample liquid ejection, and filter core has buffering effect to Bas Discharged, avoids sample liquid to rise too fast restive.
Above-mentioned liquid-blocking unit preferred two, comprise connecting pipe and end plug, the pore of connecting pipe is cut off and is separated into lower pore and upper pore, cut off central authorities and be provided with the center intubate coaxial with connecting pipe pore, the bottom of center intubate is positioned at lower pore, the top of center intubate is positioned at pore, and the center pit of center intubate is communicated with lower pore and upper pore; The upper open end of described blood sedimentation tube body inserts in the lower pore of connecting pipe, the upper open end endoporus wringing fit of the bottom of center intubate and blood sedimentation tube body, described end plug plug is contained in the upper pore of connecting pipe, between the bottom of end plug and center intubate, vacate airspace, the bottom of end plug is provided with air hole, and the central hole location of air hole and center intubate staggers.Like this, the circuitous channel that the mouth of pipe of blood sedimentation tube body forms via pore on intubate center pit, connecting pipe and end plug air hole is communicated with outside, increased Bas Discharged resistance, the ascending velocity of sample liquid in body pore slowed down, avoid sample liquid ejection, even if there is fraction sample liquid to surpass zero graduation line, also can be deposited in the upper pore of connecting pipe, can not affect testing result.Further preferably, the bottom of described end plug is provided with a groove, and insert in groove and clearance fit with it at intubate top, described center, and the buffering effect of back-shaped like this passage is better.
The present invention is owing to having adopted above technical scheme, and while depositing, sample liquid is closed in vitro, in vitro can place in advance anti-coagulants; During detection, take off cap test tube, directly the liquid upstream end of blood sedimentation tube body is inserted to test tube, when rubber stopper and test tube pore interference fit and while continuing to enter, the effect of being squeezed of invisible spectro sample liquid enters the interior also rising of pore of blood sedimentation tube body, until arrive zero graduation line position, assembly is placed on to vertical standing observation on support, have simple in structure, use easy to operate, sample contamination risk is little, low cost of manufacture, the detection advantage such as accurately and reliably.
Accompanying drawing explanation
Fig. 1 is the detected state schematic diagram of embodiment 1 assembly;
Fig. 2 is the detected state schematic diagram of embodiment 2 assemblies;
Fig. 3 is the fit structure schematic diagram of connecting pipe and end plug;
Fig. 4 is the structural representation (overlooking) of end plug;
Fig. 5 is the structural representation of rubber stopper.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
Embodiment 1:
A kind of blood sedimentation tube assembly as shown in Figure 1, comprise blood sedimentation tube and test tube 1, described blood sedimentation tube comprises body 3, the lower open end of described body 3 is liquid inlet, the upper open end of described body 3 is installed and can and be stoped the liquid-blocking unit that in body 3, liquid sprays for Bas Discharged in body 3, described body 3 bottoms are provided with rubber stopper 2, as shown in Figure 5, rubber stopper 2 comprises head 21 and skirt section 22, head 21 is sleeved on body 3 and is tightly fixed, head 21 peripheries are provided with the multiple tracks annular protrusion that can be sealed and matched with test tube 1 pore, skirt section 22 is for having the tapered sleeve shape of inner conical surface and male cone (strobilus masculinus), skirt section 22 external diameters are greater than test tube 1 pore internal diameter.
As shown in Figure 3, Figure 4, described liquid-blocking unit comprises connecting pipe 4 and end plug 5, the pore of connecting pipe 4 is cut off 41 and is separated into lower pore 42 and upper pore 43, cut off 41 central authorities and be provided with the center intubate 44 coaxial with connecting pipe 4 pores, the bottom of center intubate 44 is positioned at lower pore 42, the top of center intubate 44 is positioned at pore 43, and the center pit of center intubate 44 is communicated with lower pore 42 and upper pore 43; The upper open end of described blood sedimentation tube body 3 inserts in the lower pore 42 of connecting pipe 4, the upper open end endoporus wringing fit of the bottom of center intubate 44 and blood sedimentation tube body 3, described end plug 5 plugs are contained in the upper pore 43 of connecting pipe 4, between 51Yu center, the bottom intubate 44 of end plug 5, vacate airspace, the bottom 51 of end plug 5 is provided with air hole 53, and the central hole location of air hole 53Yu center intubate 44 staggers.The bottom 51 of described end plug 5 is provided with a groove 52, and insert in grooves 52 and clearance fit with it at intubate 44 tops in described center.
Embodiment 2:
A kind of blood sedimentation tube assembly as shown in Figure 2, is only from the different of embodiment 1: described liquid-blocking unit is water wettability filter core 6, water wettability filter core 6 to fill in position corresponding with the zero graduation line position on blood sedimentation tube body 3.
It is emphasized that: be only preferred embodiment of the present invention above, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
Claims (2)
1. a blood sedimentation tube assembly, comprise blood sedimentation tube and test tube (1), it is characterized in that, described blood sedimentation tube comprises body (3), the lower open end of described body (3) is liquid inlet, the upper open end of described body (3) is installed the liquid-blocking unit that can supply the middle Bas Discharged of body (3) and stop liquid ejection in body (3), described body (3) bottom is provided with rubber stopper (2), rubber stopper (2) comprises head (21) and skirt section (22), head (21) is sleeved on body (3) and goes up and be tightly fixed, head (21) periphery is provided with the multiple tracks annular protrusion that can be sealed and matched with test tube (1) pore, skirt section (22) is for having the tapered sleeve shape of inner conical surface and male cone (strobilus masculinus), skirt section (22) external diameter is greater than test tube (1) pore internal diameter, described liquid-blocking unit comprises connecting pipe (4) and end plug (5), the pore of connecting pipe (4) is cut off (41) and is separated into lower pore (42) and upper pore (43), cut off (41) central authorities and be provided with the center intubate (44) coaxial with connecting pipe (4) pore, the bottom of center intubate (44) is positioned at lower pore (42), the top of center intubate (44) is positioned at pore (43), and the center pit of center intubate (44) is communicated with lower pore (42) and upper pore (43), the upper open end of described blood sedimentation tube body (3) inserts in the lower pore (42) of connecting pipe (4), the upper open end endoporus wringing fit of the bottom of center intubate (44) and blood sedimentation tube body (3), described end plug (5) plug is contained in the upper pore (43) of connecting pipe (4), between the bottom (51) of end plug (5) and center intubate (44), vacate airspace, the bottom (51) of end plug (5) is provided with air hole (53), and air hole (53) staggers with the central hole location of center intubate (44).
2. a kind of blood sedimentation tube assembly according to claim 1, is characterized in that, the bottom (51) of described end plug (5) is provided with a groove (52), and insert in groove (52) and clearance fit with it at described center intubate (44) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210307584.8A CN102854106B (en) | 2012-08-27 | 2012-08-27 | Blood sedimentation tube assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210307584.8A CN102854106B (en) | 2012-08-27 | 2012-08-27 | Blood sedimentation tube assembly |
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| Publication Number | Publication Date |
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| CN102854106A CN102854106A (en) | 2013-01-02 |
| CN102854106B true CN102854106B (en) | 2014-04-02 |
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| CN201210307584.8A Active CN102854106B (en) | 2012-08-27 | 2012-08-27 | Blood sedimentation tube assembly |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08145989A (en) * | 1994-11-24 | 1996-06-07 | Shigeru Obata | Precipitation tube |
| JPH1090255A (en) * | 1996-09-12 | 1998-04-10 | Sasagawa Kazuyasu | Blood sedimentation tube |
| CN2460993Y (en) * | 2000-11-23 | 2001-11-21 | 胡兵安 | Testing equipment for erythrocyte sedimentation rate (erythrocyte sedimentation) |
| CN101520399A (en) * | 2008-03-01 | 2009-09-02 | 刘永 | Blood-sedimentation tube |
| CN201181277Y (en) * | 2008-04-11 | 2009-01-14 | 王丽 | Improved sedimentation tube |
| CN202735206U (en) * | 2012-08-27 | 2013-02-13 | 浙江硕华医用塑料有限公司 | Blood sedimentation tube component |
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Address after: 313220 Deqing County Province, Huzhou City, the town of bell hill road, No., No. 148 Patentee after: Zhejiang Sorfa Life Science Research Co., Ltd. Address before: 313220 Deqing County Province, Huzhou City, the town of bell hill road, No., No. 148 Patentee before: Zhejiang Sorfa Medical Plastic Co.,Ltd. |