CN102854029A

CN102854029A - Stool sampler

Info

Publication number: CN102854029A
Application number: CN2012103036311A
Authority: CN
Inventors: 蒋峥嵘
Original assignee: Zhejiang Sorfa Medical Plastic Co Ltd
Current assignee: Zhejiang Sorfa Life Science Research Co., Ltd.
Priority date: 2012-08-24
Filing date: 2012-08-24
Publication date: 2013-01-02
Anticipated expiration: 2032-08-24
Also published as: CN102854029B

Abstract

The invention discloses a stool sampler, comprising a plastic container, a sampling rod, a connecting piece, a liquid containing tube and a dropping nozzle cover. The plastic container and the connecting piece are in screw connection; the liquid containing tube is sleeved outside the connecting piece and the plastic container; the connecting piece comprises an external thread part, a large diameter part, a small diameter part and a broken rod part; the external thread part is connected with screw at the port of the plastic container; the large diameter part cooperates with a tube nozzle section of the liquid containing tube; the outer circumference of the large diameter part is provided with an annular buckle, which cooperates and clamps with an annular groove arranged on the inner wall of the tube nozzle section of the liquid containing tube; the small diameter part and a necking part of the liquid containing tube fit closely and are in sealing connection; the broken rod part is arranged in a liquid containing chamber of the liquid containing tube; a central hole of the connecting piece runs through the external thread part, the large diameter part, the small diameter part and until the broken rod part; and an axial rib end of the sampling rod is inserted into the central hole of the connecting piece. The technical proposal has advantages of simple structure, low manufacturing cost, convenient usage, reduced sample contamination and convenience for retention and removal of the sample solution.

Description

Defecate sampler

Technical field

The present invention relates to a kind of defecate sampler.

Background technology

Clinical excrement checkout belongs to one of medical institutions' clinical examination three large conventional sense, the specimen sample device of stool just is not strict with all the time, and early stage container has matchbox, carton, the plastic casing that mostly be up till now different, varies in size or cup.Sampling person chose to using the plastic spoon picking with the bamboo and wood label in when sampling, then by the medical matters testing staff then with same method a small amount of sample of the suspicious part of picking in the container, drip a physiological saline or buffer solution film-making microscopy or other calibratings.Take like this method of sample to pollute large, not hommization of the utmost point, often between doctor, patient, dispute and dispute for the size of the pollution of container, sampling quantity, and the medical worker is carrying out in the sampling process stool, the stool sample most of the time is exposed in the air, make indoor stink denseer, not health.

The sampling thief that uses clinically at present mostly is two classes: connect a little spoon of plastics in the plastic cup with cover, bowl cover; The another kind of cuvette that can fill solution that is provided with in addition above bowl cover exactly adds related solution toward the solution cuvette in when detecting, flow into lower end sample cup or pipe, and wash-out, dilute sample are chosen with little spoonful and carried out microscopy.Above two classes all fundamentally do not solve twice picking stool sample problem, operate more loaded down with trivial detailsly, and the probability of pollution is high.For this reason, publication number is that the patent documentation of CN201859075U discloses a kind of defecate sampler, comprise plastic containers and thief rod, the bar handle of thief rod is connected with the port sealing of plastic containers, described plastic containers bottom is provided with dropping liquid mouth or liquid droping port, described dropping liquid muzzle has dropping liquid mouth lid, is plugged with the liquid droping port plug in the described liquid droping port.The vessel port of described plastic containers is enclosed within on the mouth of pipe of liquid-holding pipe, and the inwall of liquid-holding pipe is provided with step surface or the conical surface, an end secure fit of the inwall of liquid-holding pipe and web member, and an end of web member and thief rod fixes.Described web member is the hollow plastic guide-tube structure, and the outer round surface of web member is provided with bayonet socket, and web member is fixed with snap bar near an end of liquid-holding pipe, and snap bar extend in the cavity of liquid-holding pipe.There is following problems in said structure: the solution in the liquid-holding pipe is that the center pit by thief rod flows in the plastic containers, easily the center pit of sampling pipe is stopped up in the sampling process, can affect like this solution and enter plastic containers; Thief rod is that hollow structure and outer wall have the sampling groove, and difficulty of processing is large; Liquid-holding pipe is made by elastoplast, and itself and plastic containers are fixed by socket, and easily breaks away from; The sample particle easily flows out from the dropping liquid mouth of plastic containers, and easily impact detects and pollutes.

Summary of the invention

In order to solve above-mentioned technical matters, the purpose of this invention is to provide a kind of defecate sampler, simple in structure, cost of manufacture is cheap, and is easy to use, reduces sample contamination, and sample solution is convenient to retain and take out.

To achieve the above object, the present invention has adopted following technical scheme:

A kind of defecate sampler, comprise plastic containers, thief rod, web member and liquid-holding pipe, the dropping liquid mouth end of described plastic containers is arranged with dropping liquid mouth lid, the vessel port end of described plastic containers is threaded with web member, described liquid-holding pipe is set in the vessel port end outside of web member and plastic containers, described thief rod is fixed on the web member, and the inherent dropping liquid mouth of described plastic containers front is equipped with filter core; Wherein, one end circumference of described thief rod is provided with the sampling groove, the other end circumference of described thief rod is provided with a plurality of axial fins, described web member has external thread part, large diameter part, small diameter part and snap bar section, external thread part is threaded with the vessel port end of plastic containers, large diameter part cooperates with the mouth of pipe section of liquid-holding pipe, and the excircle of large diameter part is provided with annular buckle and cooperates chucking with annular slot on the mouth of pipe section inwall that is located at liquid-holding pipe, the necking segment wringing fit of small diameter part and liquid-holding pipe is tightly connected, snap bar section is positioned at the Sheng sap cavity of liquid-holding pipe, the center pit of described web member connects external thread part, large diameter part and small diameter part are until the cut-off of snap bar section, the axial fin end of described thief rod inserts in the center pit of web member, thereby axially the groove between the fin forms the inner communicating passage that is communicated with the center pit of web member of plastic containers.

Be provided with as preferred described liquid-holding pipe mouth of pipe section excircle and avoid two ring stiffeners being out of shape.Being tightly connected between the deformation effect liquid-holding pipe of liquid-holding pipe mouth of pipe section and the web member avoided in the setting of ring stiffener.

The present invention is owing to having adopted above technical scheme, liquid-holding pipe is connected with the web member back-off, can't dismantle after packing into, web member is threaded with plastic containers, thereby liquid-holding pipe and the easy problem that breaks away from of plastic containers in the prior art have been avoided, filter core is set stops the sample particle by the dropping liquid mouth, thief rod is the easy processing of solid hopkinson bar and can makes thinner diameter, after snap bar section fractures, solution in the liquid-holding pipe flows in the plastic containers by the protruding groove gap between stupefied of center pit, the thief rod of web member, and solution flows into the unobstructed sampling situation that is not subjected to be affected.Have simple and reliable for structurely, cost of manufacture is cheap, and is easy to use, reduces sample contamination, and sample solution is convenient to retain and the advantage such as taking-up.

Description of drawings

Fig. 1 is decomposing schematic representation of the present invention;

Fig. 2 is structural representation of the present invention;

Fig. 3 is the structural representation of plastic containers;

Fig. 4 is the structural representation of liquid-holding pipe;

Fig. 5 is the structural representation of thief rod and web member.

Embodiment

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

Embodiment 1:

A kind of defecate sampler as shown in Figure 1 and Figure 2, comprise plastic containers 2, thief rod 4, web member 5 and liquid-holding pipe 6, the dropping liquid mouth end of described plastic containers 2 is threaded and is arranged with dropping liquid mouth lid 1, the vessel port end of described plastic containers 2 is threaded with web member 5, described liquid-holding pipe 6 is set in the vessel port end outside of web member 5 and plastic containers 2, described thief rod 4 is fixed on the web member 5, and described plastic containers 2 inherent dropping liquid mouth fronts are equipped with filter core 3; Wherein, such as Fig. 3, Fig. 4, shown in Figure 5, one end circumference of described thief rod 4 is provided with sampling groove 41, the other end circumference of described thief rod 4 is provided with four axial fins 42, described web member 5 has external thread part 51, large diameter part 52, small diameter part 53 and snap bar section 54, external thread part 51 is threaded with the vessel port end of plastic containers 2, large diameter part 52 cooperates with the mouth of pipe section of liquid-holding pipe 6, and the excircle of large diameter part 52 is provided with annular buckle 521 and cooperates chucking with annular slot 64 on the mouth of pipe section inwall that is located at liquid-holding pipe 6, small diameter part 53 is tightly connected with necking segment 62 wringing fits of liquid-holding pipe 6, snap bar section 54 is positioned at the Sheng sap cavity of liquid-holding pipe 6, the center pit 55 of described web member 5 connects external thread part 51, large diameter part 52 and small diameter part 53 are until 54 cut-offs of snap bar section, the axial fin end of described thief rod 4 inserts in the center pit 55 of web member 5, thereby axially the groove between the fin 42 forms the plastic containers 2 inner communicating passage that are communicated with the center pit 55 of web member 5.

The present embodiment, as shown in Figure 3, Figure 4, described liquid-holding pipe 6 mouth of pipe section excircles are provided with avoids two ring stiffeners 61 being out of shape.

During use, the sample collection person at first backs out plastic containers 2, to extract out behind the suspicious place of thief rod 4 with the end insertion stool sample of sampling groove 41, the sample of defecating this moment will be attached on the sampling groove 41 uniformly, thief rod 4 is inserted into plastic containers 2 afterwards again and screws rear censorship again.During detection, the medical worker is with defecate sampler is vertical fracture after placing snap bar section 54 with connector 5, gently extruding liquid-holding pipe 6 flow in the plastic containers 2 buffering liquid for several times again, buffering liquid elutes the stool sample that sampling groove 41 adheres to, to defecate sample and the buffering liquid blending after, do not need plastic containers 2 are taken off when taking the stool sample solution, the dropping liquid mouth lid 1 that only needs to be positioned at plastic containers 2 lower ends takes off, make the dropping liquid mouth face slide, push gently liquid-holding pipe 6 stool sample liquid and just can drop on the slide, microscopy then, so just avoided defecating sample liquid before microscopy with the contact stain of air, the operation health is used easily.

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

Claims

1. defecate sampler, comprise plastic containers (2), thief rod (4), web member (5) and liquid-holding pipe (6), it is characterized in that, the dropping liquid mouth end of described plastic containers (2) is arranged with dropping liquid mouth lid (1), the vessel port end of described plastic containers (2) is threaded with web member (5), described liquid-holding pipe (6) is set in the vessel port end outside of web member (5) and plastic containers (2), described thief rod (4) is fixed on the web member (5), and the inherent dropping liquid mouth of described plastic containers (2) front is equipped with filter core (3); Wherein, one end circumference of described thief rod (4) is provided with sampling groove (41), the other end circumference of described thief rod (4) is provided with a plurality of axial fins (42), described web member (5) has external thread part (51), large diameter part (52), small diameter part (53) and snap bar section (54), external thread part (51) is threaded with the vessel port end of plastic containers (2), large diameter part (52) cooperates with the mouth of pipe section of liquid-holding pipe (6), and the excircle of large diameter part (52) is provided with annular buckle (521) and cooperates chucking with annular slot (64) on the mouth of pipe section inwall that is located at liquid-holding pipe (6), small diameter part (53) is tightly connected with necking segment (62) wringing fit of liquid-holding pipe (6), snap bar section (54) is positioned at the Sheng sap cavity of liquid-holding pipe (6), the center pit (55) of described web member (5) connects external thread part (51), large diameter part (52) and small diameter part (53) are until snap bar section (54) cut-off, the axial fin end of described thief rod (4) inserts in the center pit (55) of web member (5), thereby axially the groove between the fin (42) forms the inner communicating passage that is communicated with the center pit (55) of web member (5) of plastic containers (2).

2. a kind of defecate sampler according to claim 1 is characterized in that, described liquid-holding pipe (6) mouth of pipe section excircle is provided with avoids two ring stiffeners (61) of being out of shape.