CN202735208U - Blood sedimentation tube assembly - Google Patents

Abstract

The utility model discloses a blood sedimentation tube assembly which comprises a blood sedimentation tube and a test tube, wherein the blood sedimentation tube comprises a tube body; the lower open end of the tube body is provided with a liquid inlet; a piston draw rod, which is longer than the tube body, is inserted in the tube orifice of the tube body; the lower section of the piston draw rod is a piston part, and the upper section of the piston is a draw rod part; the piston part and the draw rod part are connected through an easy breaking part which can be broken easily; the lower end of the piston part is provided with a piston cup matched with the tube orifice of the tube body in a sealing mode; the distance between the upper open end of the tube body and the zero scale line is matched with the length of the piston part of the piston draw rod; the test tube comprises a tubular container and a tube plug; the tubular container comprises an open part matched with the tube plug, and a liquid storage part for storing a liquid; the tube plug is provided with a blind hole into which the blood sedimentation tube body can be inserted; the internal diameter of the blind hole is matched with the external diameter of the blood sedimentation tube body; and the bottom wall of the blind hole is an easy penetration structure. The technical scheme has the advantages of simple structure, small sample contamination risk and low manufacturing cost, and is convenient to use and operate.

Description

A kind of blood sedimentation tube assembly

Technical field

The utility model belongs to the blood testing apparatus field, relates in particular to for erythrocyte sedimentation rate and detects the blood sedimentation tube assembly that uses.

Background technology

Erythrocyte sedimentation rate refers to, anticoagulation is put into blood sedimentation tube vertically leave standstill, and red blood cell is owing to density is sunk greatly.Usually with the distance expression erythrocytic settling velocity of red blood cell end sinking in first hour, be called erythrocyte sedimentation rate (ESR).

In the prior art, the blood sedimentation tube that always uses is made by the glass tube of both ends open and internal diameter 3mm.This glass tube is put on a scale every 1mm in distance one openend 20cm scope.When using the blood sedimentation tube of this kind prior art, at first must inhale by mouth and make the blood sedimentation tube decompression, in order to will be added with anticoagulant, for example, the blood that is added with 3.8% sodium citrate is sucked in the blood sedimentation tube, until till zero on the scale (basic point), or till blood being sucked 0 of the scale of blood sedimentation tube with syringe etc.After vertically being left standstill, this blood sedimentation tube measures erythrocytic sedimentation state every a set time.But, when using the blood sedimentation tube of this prior art to carry out blood sedimentation, must directly suck or use syringe that blood is sucked blood sedimentation tube till the scale zero with mouth.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 can't be processed in the short time in many times.And in the process that Inspection carries out, medical worker may be by disease on the blood infection, and 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 be inserted with the porous resin that ventilation body do not see through liquid in the plastic conduit of both ends open and consist of blood sedimentation tube, during use, the liquid inflow entrance side of blood sedimentation tube is inserted in the blood of blood sampling, make blood sedimentation tube (pump is inhaled or mouth is inhaled) decompression by the other end, 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 an 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 the Anti-solidification agent is packed in the test tube, the liquid inflow entrance side of plastic conduit is inserted in the blood of test tube, piston portion is overlapped like that with the position of the liquid inflow entrance of plastic conduit to be inserted, the claval other end of pulling under this state, 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, in the prior art, the blood sample that gathers generally is to be 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, inhale by pump again or the pitch brace operation, blood is sucked into the zero graduation position of blood sedimentation tube, then be placed on the special stand and leave standstill, in order to guarantee vertically leaving standstill 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 the special stand, manufacturing cost and the manufacture difficulty of special stand can be increased so undoubtedly, also the complex operation degree can be increased simultaneously.

Summary of the invention

In order to solve above-mentioned technical matters, the purpose of this utility model provides a kind of blood sedimentation tube assembly, and is simple in structure, uses easy to operately, and the sample contamination risk is little, low cost of manufacture.

To achieve the above object, the utility model 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, plug a pitch brace longer than body in the pore of described body, the pitch brace hypomere is piston portion, the pitch brace epimere is rod section, easy breaking off section by easily fracture between piston portion and the rod section is connected, the piston cup of piston portion lower end for being sealed and matched with the pore of body, the upper open end of described body is complementary to the distance of its zero graduation line length with the piston portion of described pitch brace; Described test tube comprises tubular container and pipe close, described tubular container comprises that a peristome that cooperates with pipe close and is used for storing the liquid storing part of liquid, described pipe close has can be for the blind hole of blood sedimentation tube body insertion, the body external diameter of blind hole internal diameter and blood sedimentation tube is complementary, and the base wall of blind hole is easy communicating structure.Like this, when depositing, sample liquid is closed in vitro, in vitro can place in advance anti-coagulants, during detection, directly the liquid upstream end with the blood sedimentation tube body inserts pipe close, bigger power can connect blind hole, body is entered in the tubular container internal specimen liquid, the piston cup of pitch brace is overlapped with the position of the liquid inflow entrance of blood sedimentation tube body, then pin the blood sedimentation tube body and spur pitch brace, sample liquid in the liquid storing part entered in the pore of blood sedimentation tube body by draw and and piston cup rise synchronously, until arrival zero graduation line position fractures pitch brace from easy breaking off section, piston portion is retained in the body, and be placed on assembly and vertically leave standstill observation on the support and get final product this moment.Because being fixed, blood sedimentation tube and test tube be integrated, thus only the test tube perpendicular positioning need to be got final product, because the pore of blood sedimentation tube body upper end is by the piston portion sealing, so guaranteed the accuracy of erythrocyte sedimentation rate test.

Above-mentioned easy communicating structure is preferred: be connected by membrane wall between the base wall of described blind hole and the sidewall, this membrane wall is the opening ring-type, and the opening part of this split ring is the base wall that connects described blind hole and the heavy section of sidewall.Like this, when depositing, in vitro liquid is closed in the tubular container, during detection, directly the liquid upstream end with the blood sedimentation tube body inserts pipe close, and bigger power can partly be broken membrane wall, and body is entered tubular container inside, heavy section then can not rupture, thereby the liquid storing part of avoiding this base wall to enter tubular container stops up blood sedimentation tube body or contaminated sample liquid.Further preferred, the wall thickness of described membrane wall is 8～12, guarantees sealing, ruptures easily and is easy to processing.

As preferably, the peristome of described tubular container and pipe close are by multiple tracks annular protrusion, annular groove fitted seal.

As preferably, described piston portion is provided with the support ring that multiple tracks can be sealed and matched with the pore of body.

The utility model is owing to adopted above technical scheme, when depositing, sample liquid is closed in vitro, in vitro can place in advance anti-coagulants, during detection, directly the liquid upstream end with the blood sedimentation tube body inserts pipe close, bigger power can connect blind hole, body is entered in the tubular container internal specimen liquid, the piston cup of pitch brace is overlapped with the position of the liquid inflow entrance of blood sedimentation tube body, then pin the blood sedimentation tube body and spur pitch brace, sample liquid in the liquid storing part entered in the pore of blood sedimentation tube body by draw and and piston cup rise synchronously, until arrival zero graduation line position fractures pitch brace from easy breaking off section, piston portion is retained in the body, and be placed on test tube and vertically leave standstill observation on the support and get final product this moment.Have simple in structure, use is easy to operate, the sample contamination risk is little, low cost of manufacture, detection wait advantage accurately and reliably.

Description of drawings

Fig. 1 is the detected state synoptic diagram of embodiment 1 assembly;

Fig. 2 is the structural representation (analysing and observe) of embodiment 1 blood sedimentation tube body;

Fig. 3 is the profile synoptic diagram of embodiment 1 blood sedimentation tube body;

Fig. 4 is the structural representation of pitch brace;

Fig. 5 is the fit structure synoptic diagram of tubular container and pipe close;

Fig. 6 is the structural representation (overlooking) of pipe close.

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is made a detailed explanation.

Embodiment 1:

A kind of blood sedimentation tube assembly as shown in Figure 1 comprises blood sedimentation tube and test tube.

Such as Fig. 1, Fig. 2, blood sedimentation tube shown in Figure 3, comprise body 3, the lower open end of described body 3 is liquid inlet, plug a pitch brace 4 than body 3 length in the pore 31 of described body 3, pitch brace 4 hypomeres are piston portion 41, as shown in Figure 4, pitch brace 4 epimeres are rod section 42, easy breaking off section 46(by easily fracture between piston portion 41 and the rod section 42 is small diameter part herein) be connected, the piston cup 43 of piston portion 41 lower ends for being sealed and matched with the pore 31 of body 3, the upper open end of described body 3 is complementary to the distance of its zero graduation line length with the piston portion 41 of described pitch brace 4.Described piston portion 41 is provided with the support ring 44 that multiple tracks can be sealed and matched with the pore 31 of body 3.

Such as Fig. 5, test tube shown in Figure 6, comprise tubular container 1 and pipe close 2, described tubular container 1 comprises that a peristome 11 that cooperates with pipe close 2 and is used for storing the liquid storing part 12 of liquid, be serrate slot 13 between peristome 11 and the liquid storing part 12, described pipe close 2 has can be for the blind hole 21 of blood sedimentation tube body 3 insertions, body 3 external diameters of blind hole 21 internal diameters and blood sedimentation tube are complementary, and the base wall 22 of blind hole 21 is easy communicating structure.Be connected by membrane wall 23 between the base wall 22 of described blind hole 21 and the sidewall, this membrane wall 23 is the opening ring-type, and the opening part of this split ring is the base wall 22 that connects described blind hole 21 and the heavy section 24 of sidewall.The wall thickness of described membrane wall 23 is 8～12.The peristome 11 of described tubular container 1 passes through multiple tracks annular protrusion, annular groove fitted seal with pipe close 2.

It is emphasized that: above only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.

Claims (5)

1. blood sedimentation tube assembly, comprise blood sedimentation tube and test tube, it is characterized in that, described blood sedimentation tube comprises body (3), the lower open end of described body (3) is liquid inlet, plug a pitch brace (4) longer than body (3) in the pore (31) of described body (3), pitch brace (4) hypomere is piston portion (41), pitch brace (4) epimere is rod section (42), easy breaking off section (46) by easily fracture between piston portion (41) and the rod section (42) is connected, the piston cup (43) of piston portion (41) lower end for being sealed and matched with the pore (31) of body (3), the upper open end of described body (3) is complementary to the distance of its zero graduation line length with the piston portion (41) of described pitch brace (4); Described test tube comprises tubular container (1) and pipe close (2), described tubular container (1) comprises that a peristome (11) that cooperates with pipe close (2) and is used for storing the liquid storing part (12) of liquid, described pipe close (2) has can be for the blind hole (21) of blood sedimentation tube body (3) insertion, body (3) external diameter of blind hole (21) internal diameter and blood sedimentation tube is complementary, and the base wall (22) of blind hole (21) is easy communicating structure.

2. a kind of blood sedimentation tube assembly according to claim 1, it is characterized in that, be connected by membrane wall (23) between the base wall (22) of described blind hole (21) and the sidewall, this membrane wall (23) is the opening ring-type, and the opening part of this split ring is the base wall (22) of the described blind hole of connection (21) and the heavy section (24) of sidewall.

3. a kind of blood sedimentation tube assembly according to claim 2 is characterized in that, the wall thickness of described membrane wall (23) is 8～12.

4. a kind of blood sedimentation tube assembly according to claim 1 is characterized in that, the peristome (11) of described tubular container (1) passes through multiple tracks annular protrusion, annular groove fitted seal with pipe close (2).

5. a kind of blood sedimentation tube assembly according to claim 1 is characterized in that, described piston portion (41) is provided with the support ring (44) that multiple tracks can be sealed and matched with the pore (31) of body (3).

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