CN208769838U - A kind of cervical samples collector - Google Patents

Abstract

The utility model discloses a kind of cervical samples collectors, including swab head and thief rod, swab head is fixed on the end of thief rod, thief rod is equipped with snap point in the position close to swab head, collector further includes outer tube, outer tube is movably set on thief rod, and the internal diameter of outer tube is less than the radial width of swab head；Preferably, the length of outer tube is less than or equal to the length of thief rod.Due to being arranged with outer tube on thief rod, when sampling, outer tube can be entangled to the snap point on thief rod, it can effectively prevent thief rod fractureing at snap point, it avoids swab head and falls into vagina, the snap point of thief rod can be exposed to outer tube after sampling and fractureed, swab head is immersed in buffer and is saved, therefore this cervical samples collector has prevented swab head in sampling process and has fractureed the risk fallen into vagina, user experience is comfortable, safety；Swab head, which is immersed in buffer, ensure that sample DNA amount is sufficiently used for analyzing, while ensure that the preservation of cervical samples microorganism.

Description

A kind of cervical samples collector

Technical field

The utility model relates to human DNA sample collection technical fields, and in particular to a kind of cervical samples collector.

Background technique

Concern female reproductive health is great society and the public health project in the whole world.According to statistics, China women of child-bearing age The disease incidence of genital diseases is up to 90%, and common disease includes vaginitis, cervicitis, endometrial disease etc., if treatment is not The timely or improper physical and mental health that will seriously affect women.Female genital tract Tiny ecosystem is most important to the healthy reproduction of women. Healthy women intravaginal mutually restricts between microbiologic population and host, environment, is mutually coordinated, and the dynamic for maintaining genital tract is flat Weighing apparatus.It is unbalance all to there is different degrees of microecology in vaginas in the colpitis of the cause of disease that can clinically clarify a diagnosis and unknown cause, Other such as pelvic inflammatory disease, infertile, premature labor also have report related to microorganism infection or exception.

Group research is carried out to female genital tract Tiny ecosystem and needs to collect a large amount of cervical samples, extracts the DNA in sample Subsequent research and analysis is carried out with RNA.However at present for the acquisition of cervical samples, most of acquired by doctor, and city Sampler design on face is unreasonable, and causing cervical samples sampling to be promoted, difficult, sample quality is poor, limits the big rule of cervical samples Application of the mould crowd from sampling and new detection method and technology.

More commonly used cervical samples collector is mostly Cervical scrapes at present, as described in Figure 1, including swab head 101 and is adopted Sample bar 102, wherein sets a snap point 103 on thief rod 102, then subject's collecting sample under the assistance of doctor is brushed It on FTA card or fractures to place swab head 101 and the thief rod 102 to fracture in conventional buffers from breakpoint 103 and save, give Experimenter analyzes for subsequent experimental and scientific research.Another common collector such as Fig. 2 from sampling, including swab head 201 and adopt Sample bar 202, subject brush on FTA card from after sampling, give experimenter and analyze for subsequent experimental and scientific research.

The collector that doctor uses would generally design a snap point, be convenient for sample by snap point after having adopted sample Swab head is put into impregnate in buffer and be saved.And for the sampler from sampling, if there is snap point, can exist because of user's operation not It can only be by having adopted sample when the risk for causing swab head to fall into vagina, therefore from the sampler usually not snap point of sampling After be applied on FTA card and save sample, cannot put into buffer and save, the sample size for being attached to FTA card is less, for DNA The biggish research of demand has significant limitation, and DNA is easy to be degraded in sample.

Summary of the invention

The application provides a kind of cervical samples collector that swab head can be effectively prevent to fall into vagina.

A kind of cervical samples collector, including swab head and thief rod are provided in a kind of embodiment, swab head, which is fixed on, to be adopted The end of sample bar, thief rod are equipped with snap point in the position close to swab head, further include outer tube, outer tube is movably arranged On thief rod, the internal diameter of outer tube is less than the radial width of swab head.

Further, swab head is ellipsoid structure.

Further, the outer diameter of the snap point on thief rod is less than the outer diameter of the thief rod.

Further, thief rod is equipped with snap ring.

Further, thief rod is equipped with corresponding card slot, and snap ring is connected in the card slot of thief rod.

Further, snap ring is elastic component, and in a free state, the outer diameter of snap ring is greater than the internal diameter of outer tube.

In other embodiments, outer tube is equipped with collet far from one end of swab head.

Further, collet is the disc structure that outer diameter is greater than housing bore.

In other embodiments, thief rod is equipped with baffle far from one end of swab head, and the length of outer tube is less than thief rod Upper snap point is to the length between baffle.

In other embodiments, outer tube is equipped with graduation mark.

According to the cervical samples collector of above-described embodiment, due to being arranged with outer tube, this cervical samples on thief rod Outer tube can be entangled the snap point on thief rod, can effectively prevent folding of the thief rod at snap point by collector in sampling It is disconnected, it avoids swab head and falls into vagina, the snap point of thief rod can be exposed to outer tube after sampling and fractureed, by swab head It is immersed in buffer and saves, therefore this cervical samples collector has prevented swab head in sampling process and fractureed the wind fallen into vagina Danger, user experience are comfortable, safe；Swab head, which is immersed in buffer, ensure that sample DNA amount is sufficiently used for analyzing, and guarantee simultaneously The preservations of cervical samples microorganisms.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of cervical samples collector in the prior art；

Fig. 2 is a kind of another structural schematic diagram of cervical samples collector in the prior art；

Fig. 3 is a kind of structural schematic diagram of cervical samples collector in the application；

Fig. 4 is a kind of another structural schematic diagram of cervical samples collector in the application；

Fig. 5 is a kind of another structural schematic diagram of cervical samples collector in the application；

Fig. 6 is a kind of another structural schematic diagram of cervical samples collector in the application.

Specific embodiment

Below by specific embodiment combination attached drawing, invention is further described in detail.

Embodiment one:

A kind of cervical samples collector is present embodiments provided, as shown in figure 3, the cervical samples collector packet of the present embodiment Swab head 301 and thief rod 302 are included, swab head 301 is flocking material, acquires intracervical DNA sample, swab head for adhering to 301 are fixed on the end of thief rod 302, and swab head 301 is ellipsoid structure, bigger than thief rod 302.Thief rod 302 is wiped close The position of subheader 301 is equipped with a snap point 303, and outer diameter is less than the outer diameter of thief rod 302 at snap point 303, in order to fracture, Such as snap point 303 is an annular groove, and the cross section of annular groove is inverted triangle structure, in middle position minimum outer diameter, Snap point 303 or a toroidal cavity.

Cervical samples collector in the present embodiment further includes outer tube 304, and outer tube 304 is movably set in sampling On bar 302, the internal diameter of outer tube 304 is less than the radial width of swab head 301, so that swab head 301 can block outer tube 304；Preferably, the length of outer tube 304 is less than or equal to the length of thief rod 302, can be far from thief rod 302 in sampling Outer tube 304 is pushed into resist with swab head 301 by one end of swab head 301, so that outer tube 304 entangles snap point 303, from And avoid the fractureing at snap point 303 of thief rod 302 in sampling process.

For better fixed jacket pipe 304, a snap ring 305 is equipped on thief rod 302, snap ring 305, which is located at, to fracture It, can also be after snap point 303 between point 303 and swab head 301.Snap ring 305 is elastic component, in its natural state, snap ring 305 outer diameter is slightly larger than the internal diameter of outer tube 304, so that snap ring 305 can fix outer tube 304 by frictional force.In order to more Good fixing clasp 305, is equipped with corresponding groove on thief rod 302, and snap ring 305 is connected in the groove of thief rod 302.? In other embodiments, snap ring 305 can also be an integral structure with thief rod 302；Or card is arranged in the position of 302 snap ring of thief rod Slot, corresponding that inner ring is equipped on outer tube 304, outer tube 304 is stuck on the card slot of thief rod 302 fixed by inner ring.? In other embodiments, snap ring 305 may be multiple.

The sampling of this cervical samples collector resists in use, being first moved to the end of outer tube 304 with swab head 301, At this time also by 305 frictional grip of snap ring, then swab head 301 is inserted into vagina and is sampled, thief rod in sampling process Snap point 303 on 302 is entangled by outer tube 304, avoids fractureing at snap point 303；After sampling, by outer tube 304 movements are opened, and snap point 303 is exposed outside, are fractureed at snap point 303, have the swab head 301 of women DNA to soak acquisition Bubble saves in buffer.

Cervical samples collector provided in this embodiment, due to being arranged with outer tube 304, this uterine neck on thief rod 302 Outer tube 304 can be entangled the snap point 303 on thief rod 302, can effectively prevent thief rod by sample collecting device in sampling 302 fractureing at snap point 303 avoid swab head 301 and fall into vagina, can fractureing thief rod 302 after sampling Point 303 is exposed to outer tube and fractures, and swab head 301 is immersed in buffer and is saved, therefore this cervical samples collector prevents Swab head 301 fractures the risk fallen into vagina in sampling process, and user experience is comfortable, safety；Swab head 301 is immersed in buffering It ensure that sample DNA amount is sufficiently used for analyzing in liquid, while ensure that the preservation of cervical samples microorganism.

Embodiment two:

As shown in figure 4, another cervical samples collector is present embodiments provided, the cervical samples collector of the present embodiment Collet 306 is equipped in one end of outer tube 304 on the basis of the above embodiment 1, and collet 306 is located at that outer tube 304 is separate to be wiped One end of subheader 301, collet 306 are the disc structure that outer diameter is greater than 304 internal diameter of outer tube；It is in other embodiments annulus Piece.Collet 306, which is used for the user in sampling process, to be withstood by hand, and outer tube 304 is fixed, and prevent snap point 303 direct It is exposed in vagina.

Embodiment three:

As shown in figure 5, another cervical samples collector is present embodiments provided, the cervical samples collector of the present embodiment It is equipped with baffle 307 in one end of thief rod 302 on the basis of above-described embodiment one or two, it is remote that baffle 307 is located at thief rod 302 One end from swab head 301, and baffle 307 be outer diameter be greater than 304 internal diameter of outer tube disc structure, baffle 307 be used for every Shelves live outer tube 304, prevent the outer tube 304 during transporting storage from falling off from thief rod 302.In order to guarantee outer tube 304 can cover and expose snap point 303, and the length of outer tube 304 should be less than on thief rod 302 snap point 303 to baffle 307 Between length.

Example IV:

As shown in fig. 6, another cervical samples collector is present embodiments provided, the cervical samples collector of the present embodiment Graduation mark 308 is additionally arranged on outer tube 304 on the basis of above-described embodiment one to three is in any one, graduation mark 308 is used for It checks the length that swab head 301 is inserted into the depth of vagina, and user's collector in sampling process is prompted at least to need to put in, protects Demonstrate,prove the quality of sampling.

Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple It deduces, deform or replaces.

Claims (10)

1. a kind of cervical samples collector, including swab head and thief rod, the swab head are fixed on the end of the thief rod, The thief rod is equipped with snap point in the position close to the swab head, which is characterized in that and it further include outer tube, the outer tube It is movably set on the thief rod, the internal diameter of the outer tube is less than the radial width of the swab head.

2. cervical samples collector as described in claim 1, which is characterized in that the swab head is ellipsoid structure.

3. cervical samples collector as described in claim 1, which is characterized in that the outer diameter of the snap point on the thief rod is small In the outer diameter of the thief rod.

4. cervical samples collector as described in claim 1, which is characterized in that the thief rod is equipped with a snap ring, institute Snap ring is stated between the snap point and swab head.

5. cervical samples collector as claimed in claim 4, which is characterized in that the thief rod is equipped with corresponding card slot, The snap ring is connected in the card slot of the thief rod；Optional, the snap ring can also be an integral structure with thief rod.

6. cervical samples collector as claimed in claim 4, which is characterized in that the snap ring is elastic component, in free state Under, the outer diameter of the snap ring is greater than the internal diameter of the outer tube.

7. such as cervical samples collector as claimed in any one of claims 1 to 6, which is characterized in that the outer tube is far from described One end of swab head is equipped with collet.

8. cervical samples collector as claimed in claim 7, which is characterized in that the collet is that outer diameter is greater than housing bore Disc structure.

9. such as cervical samples collector as claimed in any one of claims 1 to 6, which is characterized in that the thief rod is far from described One end of swab head is equipped with baffle, and the length of the outer tube is less than snap point on the thief rod to the length between baffle.

10. such as cervical samples collector as claimed in any one of claims 1 to 6, which is characterized in that the outer tube, which is equipped with, to be carved Spend line.