CN105092283A - Sampling rod for fecal sampling device - Google Patents
Sampling rod for fecal sampling device Download PDFInfo
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- CN105092283A CN105092283A CN201510314583.XA CN201510314583A CN105092283A CN 105092283 A CN105092283 A CN 105092283A CN 201510314583 A CN201510314583 A CN 201510314583A CN 105092283 A CN105092283 A CN 105092283A
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Abstract
The invention relates to the medical appliance field, and especially relates to a sampling rod for a fecal sampling device; the sampling rod for the fecal sampling device comprises a rod body and a sampling part formed on the rod body, the sampling part includes a storage cavity and a plurality of through holes, the storage cavity is formed in the rod body and is communicated with the outside through an opening formed at the lower end of the rod body, the plurality of through holes are circumferentially distributed at the side wall of the rod body and extend to the storage cavity. The sampling rod for the fecal sampling device not only can be beneficial for a user to effectively grasp the sampling quantity in a process of fecal sampling, but also can be convenient for a fecal sample on the sampling rod to be rapidly dissolved into a protection fluid, so as to make test results more accurate.
Description
Technical field
The present invention relates to medical apparatus field, particularly relate to a kind of sampling rod for stool sampling device.
Background technology
In prior art, it is one of routine clinical laboratory examination project that ight soil detects.By detecting the various molecular markers (patient DNA, RNA, miRNA, metabolin molecule and low-abundance protein etc.) in human faecal mass, some pathological phenomenons of intestines and stomach can be understood more intuitively, indirectly judge the function status of alimentary canal, pancreas, liver and gall.At present, common ight soil detection normally adopts gatherer from the ight soil of patient, collect sub-fraction sample and detects.Some organic molecule (such as DNA and haemoglobin) in ight soil can as the mark of some enterogastric diseases, organic molecule in human faecal mass is quantitatively detected, some pathological phenomenons of intestines and stomach can be understood, indirectly judge GI function and disease event, thus predict, monitor generation, the development of some enterogastric diseases.Therefore, ight soil detects has become the conventional project that disease detects in a lot of medical institutions.
But, in existing ight soil testing process, be generally first by patient by collecting dung in a stool collection device, for one of modal detected object---DNA molecular, stool collection device generally deposits special DNA mark protection liquid, under the protection of protection liquid, just can prevent the DNA mark in ight soil from producing degraded, to ensure the complete of DNA molecular in fecal sample, thus be conducive to the accuracy of detection, meanwhile, after the ight soil in harvester is shaken up, generally will take out a certain amount of ight soil solution with pipettor from harvester, by quantitative fluorescent PCR (PCR) experiment, DNA in ight soil is quantitatively detected, the key instrument used in process is quantitative real time PCR Instrument.Equally, one of another modal detected object---haemoglobin molecule, it is finally quantitatively detected haemoglobin in ight soil by ELISA experiment (enzyme linked immunosorbent assay), and the key instrument used in process is microplate reader.
But, medically, generally detect separately DNA in ight soil or haemoglobin, and obtain one group of detection data, the disease event of sufferer is gone out by the contrast judgement detected between data and reference data, but single detects data deficiencies to judge the situation of disease sometimes, only detects a kind of material and judges, often cause erroneous judgement.But the sampling groove of prior art sampling rod is generally spiral fashion, this design in ight soil, drills through collection fecal sample for the ease of sampling rod.
But above-mentioned spiral helicine sampling groove is irregular due to shape relative complex, allows testing staff be difficult to hold the collection capacity of fecal sample, thus easily final assay to be impacted; Further, concentrate be deposited in elongated spiral fashion sampling groove due to ight soil, make fecal sample be difficult to dissolve in fast in the protection liquid of storage chamber, this situation also can affect to assay.
Summary of the invention
In view of this; the present invention discloses a kind of sampling rod for stool sampling device; not only be conducive to testing staff and effectively hold sampling amount in the process of stool sampling, and the fecal sample can be convenient on sampling rod dissolves in protection liquid fast, thus make assay more accurate.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of sampling rod for stool sampling device, comprise barred body and be formed in the sampling portion on barred body, described sampling portion comprises storage chamber and several through holes, it is interior and extraneous by the opening connection being formed in barred body lower end that described storage chamber is formed in described barred body, and several through holes circumferences described are distributed in the sidewall of described barred body and extend to described storage chamber.
To be formed in described barred body due to storage chamber and to connect extraneous by the opening being formed in barred body lower end, therefore can be ensured that sampling rod can be stored in described storage chamber fecal sample in the process of stool sampling on the one hand, said structure scheme can allow the design of the shape of storage chamber and volume more flexible on the other hand, avoid by too much structural limitations, be convenient to the design in advance of storage chamber shape, just can be conducive to the accurate calculating to storage chamber volume, thus the sampling amount can held better ight soil, reduce the error of inspection.Such as storage chamber can be designed to cylindrical shape or four square tubes of regular shape, so just to sampling amount accurate assurance, the accurate calculating in checkout procedure can be convenient to.
In addition, because several through hole circumferences described are distributed in the sidewall of described barred body and extend to described storage chamber, therefore after the sampling rod acquiring fecal sample relays the storage chamber of inserting sampler, and manually rocking in the process of sampler, protection liquid in storage chamber just can pour in storage chamber by each through hole described from the periphery of sampling rod, the fecal sample in storage chamber is effectively allowed to be broken up and fully dissolve in protection liquid, avoid fecal sample too much remaining in storage chamber, thus the accurate calculating be conducive in checkout procedure is to make assay more accurate.
Therefore; the invention provides a kind of sampling rod for stool sampling device; this sampling rod is not only conducive to user and effectively holds sampling amount in the process of stool sampling, and the fecal sample can be convenient on sampling rod dissolves in protection liquid fast, thus makes assay more accurate.
Further, the opening part of described barred body end is coated with support net, and described support net is positioned at the bottom of storage chamber.
Further, described through hole comprises the external port being positioned at barred body outer wall and the inner port corresponding to storage chamber, and the aperture area of described external port is greater than the aperture area of described inner port, and storage chamber inner wall surrounding has serration upwards.
Further, described through hole be obliquely installed and its inner port offer height lower than external port offering height.
Further, described through hole is bar hole.
Further, described barred body comprises hook stick and sampling head, and described sampling head is removably disposed on described hook stick, and described sampling portion and opening are all formed on described sampling head.
Further, the quantity of described sampling head is several, and the volume size of several sampling heads described is several and each sampling head removably can be connected with described hook stick respectively.
Further, described storage chamber is cylindric, is conducive to the accurate calculating of storage chamber volume, thus is just conducive to holding stool sampling amount.
Further, the outer rim of described barred body lower end is provided with rounding.
The invention has the beneficial effects as follows:
To be formed in described barred body due to storage chamber and to connect extraneous by the opening being formed in barred body lower end, therefore can be ensured that sampling rod can be stored in described storage chamber fecal sample in the process of stool sampling on the one hand, said structure scheme can allow the design of the shape of storage chamber and volume more flexible on the other hand, avoid by too much structural limitations, be convenient to the design in advance of storage chamber shape, just can be conducive to the accurate calculating to storage chamber volume, thus the sampling amount can held better ight soil, reduce the error of inspection.Such as storage chamber can be designed to cylindrical shape or four square tubes of regular shape, so just to sampling amount accurate assurance, the accurate calculating in checkout procedure can be convenient to.
In addition, because several through hole circumferences described are distributed in the sidewall of described barred body and extend to described storage chamber, therefore after the sampling rod acquiring fecal sample relays the storage chamber of inserting sampler, and manually rocking in the process of sampler, protection liquid in storage chamber just can pour in storage chamber by described each through hole (202) from the periphery of sampling rod, the fecal sample in storage chamber is effectively allowed to be broken up and fully dissolve in protection liquid, avoid fecal sample too much remaining in storage chamber, thus the accurate calculating be conducive in checkout procedure is to make assay more accurate.Storage chamber inner wall surrounding serration upwards, taking in the process that ight soil upwards mentions, increasing the friction force of inwall to ight soil, thus better preventing ight soil from dropping together with support net.
Therefore, a kind of sampling rod for stool sampling device of the present invention is not only conducive to testing staff and effectively holds sampling amount in the process of stool sampling, and the fecal sample can be convenient on sampling rod dissolves in protection liquid fast, thus makes assay more accurate.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Fig. 2 is the schematic partial cross-sectional view of preferred version of the present invention.
Fig. 3 is the schematic partial cross-sectional view of preferred version of the present invention.
The course of work schematic diagram that Fig. 4 ~ 6 are preferred version of the present invention.
Fig. 7 is the structural representation of preferred version of the present invention.
Fig. 8 is the structural representation of preferred version of the present invention.
Fig. 9 is the structural representation of preferred version of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.Wherein, accompanying drawing only for exemplary illustration, expression be only schematic diagram, but not pictorial diagram, can not be interpreted as the restriction to this patent; In order to better embodiments of the invention are described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; For a person skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
As shown in Figure 1, a kind of sampling rod for stool sampling device, comprise barred body 100, the bottom of barred body 100 is divided into sampling portion 200, sampling portion 200 is made up of storage chamber 201 and several through holes 202, and particularly, storage chamber 201 is cylindric, storage chamber 201 is formed in barred body 100 inside and connects the external world by the opening 203 being formed in barred body 100 lower end, and sampling rod fecal sample in the process of sampling just can enter in storage chamber 201 from opening 203.In addition, each through hole 202 circumference is distributed in the sidewall of barred body 100 and extends to storage chamber 201 inside.
To be formed in barred body 100 due to storage chamber 201 and to connect the external world by the opening 203 being formed in barred body 100 lower end, therefore can be ensured that sampling rod can be stored in storage chamber fecal sample in the process of stool sampling on the one hand, said structure scheme can allow the design of the shape of storage chamber and volume more flexible on the other hand, avoid by too much structural limitations, be convenient to the design in advance of storage chamber shape, just can be conducive to the accurate calculating to storage chamber volume, thus the sampling amount can held better ight soil, reduce the error of inspection.Originally be in example, storage chamber is designed to the cylindrical shape of regular shape, so just to sampling amount accurate assurance, can be convenient to the accurate calculating in checkout procedure.
In addition, be distributed in the sidewall of described barred body 100 due to each through hole 202 circumference and extend to described storage chamber 201, therefore after the sampling rod acquiring fecal sample relays the storage chamber of inserting sampler, and manually rocking in the process of sampler, protection liquid in storage chamber 201 just can pour in storage chamber 201 by each through hole 202 from the periphery of sampling rod, the fecal sample in storage chamber 201 is effectively allowed to be broken up and fully dissolve in protection liquid, avoid fecal sample too much remaining in storage chamber 201, thus the accurate calculating be conducive in checkout procedure is to make assay more accurate.
Therefore, a kind of sampling rod for stool sampling device of the present invention is not only conducive to testing staff and effectively holds sampling amount in the process of stool sampling, and the fecal sample can be convenient on sampling rod dissolves in protection liquid fast, thus makes assay more accurate.
Again as shown in Figure 1, as to the present embodiment scheme supplement further and perfect, opening 203 place of barred body 100 lower end is coated with one deck support net 204, and support net 204 is positioned at the bottom of storage chamber 201.Therefore, when fecal sample is by concentrated being stored in storage chamber 201, support net 204 can form certain support to fecal sample, thus can effectively avoid fecal sample to drop out in storage chamber 201 due to deadweight in sampling process, ensures the smooth of sampling process.
As shown in Figure 2, as to the present embodiment scheme supplement further and perfect, each through hole 202 comprises the external port 2021 being positioned at barred body 100 outer wall and the inner port 2022 corresponding to storage chamber 201 respectively, the aperture area of external port 2021 is greater than the aperture area of inner port 2022, narrow gradually to inner port from external port to make the internal volume of each through hole 202, and the technique effect of this organization plan is: after the sampling rod acquiring fecal sample relays the storage chamber 201 of inserting sampler, and manually rocking in the process of sampler, because the internal volume of through hole 202 narrows from external port gradually to inner port, protection liquid shoves to the process of inner port 2022 from external port 2021, its pressure be subject to constantly increases, thus obviously can increase the fluid impingement force that protection liquid pours into liquid storage cylinder 201, be equivalent to the impulsive force that fecal sample is subject to be enhanced, therefore the fecal sample in storage chamber 201 is more effectively allowed to be broken up and fully dissolve in protection liquid, avoid fecal sample too much remaining in storage chamber, thus the accurate calculating advantageously in checkout procedure is to make assay more accurate.
As shown in Figure 3, as to the present embodiment scheme supplement further and perfect, each through hole 202 be respectively be obliquely installed and the height of its inner port 2022 lower than the height of external port 2021.And the technique effect of this organization plan is: after the sampling rod acquiring fecal sample relays the storage chamber 201 of inserting sampler, and manually rocking in the process of sampler, can be found out by Fig. 4 ~ 5, in fact in the process of manually rocking, sampler is doing pendular movement, cause protection liquid can not pour in storage chamber 201 along the axis direction of through hole 202, but pour in through hole 202 downwards from the inclined upward ground of through hole 202, therefore the impulse force of current obviously declines, and the preferred version of Fig. 3 can allow the axis direction of through hole 202 more corresponding protection liquid flow direction, be conducive to allowing protection liquid front pour in through hole 202 rocking in process of sampler, reduce the resistance of current, therefore just can ensure to protect liquid to have good impulsive force to break up fecal sample in storage chamber 201.Simultaneously; as shown in Figure 6; be obliquely installed because each through hole 202 is respectively; when sampler remains static; liquid in through hole 202 is in always and presses to the state of fecal sample from inclined upward; thus make fecal sample in storage chamber 201 can be subject to downward water pressure, cause fecal sample more easily to shift out storage chamber 201 downwards, therefore advantageously fully dissolve in protection liquid in fecal sample to a certain extent.
As shown in Figure 7, as to the present embodiment scheme supplement further and perfect, circumferencial direction around sampling portion 200 establishes through hole 202, each through hole 202 is bar hole, in same row, each through hole 202 is 1/4 circular arc, therefore the contact area of protection liquid and fecal sample can just be increased, manually rocking in the process of sampler, impulsive force suffered by fecal sample in storage chamber 201 can be more abundant effective, contribute to fecal sample further broken up and fully dissolve in protection liquid, avoid fecal sample too much remaining in storage chamber, thus the accurate calculating be more conducive in checkout procedure is to make assay more accurate.
As shown in Figure 8, as to the present embodiment scheme supplement further and perfect, barred body 100 comprises hook stick 101 and sampling head 205, sampling head 205 is removably mounted on the end of hook stick 101, sampling portion 200 and opening 203 are all formed on sampling head 205, are therefore conducive to the dismounting of sampling rod.
As shown in Figure 9, as to the present embodiment scheme supplement further and perfect, the quantity of sampling head 205 is 4, the volume size of each sampling head 201 is four kinds and each sampling head 205 removably can be connected with hook stick 101 respectively, therefore, storage chamber 201 in sampling head 205 just can design multiple volume according to actual needs, testing staff also can choose the sampling head (205) of arbitrary volume in operation as required speed and conveniencely, use more flexible, to meet different needs.
Again as shown in Figure 1, as to the present embodiment scheme supplement further and perfect, the outer rim of described barred body 100 lower end is provided with rounding, arrange rounding can make to reduce when getting just to insert the resistance in ight soil process, simultaneously insert in the process of sampler being relay by sampling rod, the outer rim of barred body 100 lower end can not cause wearing and tearing to the inside of sampler.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description, exhaustive without the need to also giving all embodiments here.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (10)
1. the sampling rod for stool sampling device, comprise barred body (100) and be formed in the sampling portion (200) on barred body (100), it is characterized in that, described sampling portion (200) comprises storage chamber (201) and several through holes (202), it is interior and extraneous by opening (203) connection being formed in barred body (100) lower end that described storage chamber (201) is formed in described barred body (100), and described several through holes (202) circumference is distributed in the sidewall of described barred body (100) and extends to described storage chamber (201).
2. the sampling rod for stool sampling device according to claim 1, it is characterized in that, opening (203) place of described barred body (100) end is coated with support net (204), described support net (204) is positioned at the bottom of storage chamber (201), and storage chamber inner wall surrounding has serration upwards.
3. the sampling rod for stool sampling device according to claim 1, is characterized in that, described through hole (202) comprises the external port (2021) being positioned at barred body (100) outer wall and the inner port (2022) corresponding to storage chamber (201).
4. the sampling rod for stool sampling device according to claim 3, is characterized in that, the aperture area of described external port (2021) is greater than the aperture area of described inner port (2022).
5. the sampling rod for stool sampling device according to claim 4, is characterized in that, described through hole (202) inner port (2022) offer height lower than external port (2021) offering height.
6. the sampling rod for stool sampling device according to claim 5, is characterized in that, described through hole (202) is bar hole.
7. the sampling rod for stool sampling device according to claim 1, it is characterized in that, described barred body (100) comprises hook stick (101) and sampling head (205), described sampling head (205) is removably disposed on described hook stick (101), and described sampling portion (200) and opening (203) are all formed on described sampling head (201).
8. the sampling rod for stool sampling device according to claim 7, it is characterized in that, the quantity of described sampling head (205) is several, and the volume size of described several sampling heads (205) is several and each sampling head (205) removably can be connected with described hook stick (101) respectively.
9. the sampling rod for stool sampling device according to any one of claim 1 ~ 8, is characterized in that, described storage chamber (201) is cylindric or flat or square.
10. the sampling rod for stool sampling device according to any one of claim 1 ~ 8, is characterized in that, the outer rim of described barred body (100) lower end is provided with rounding.
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| CN201510314583.XA CN105092283B (en) | 2015-06-10 | 2015-06-10 | A kind of sampling rod for stool sampling device |
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| CN201510314583.XA CN105092283B (en) | 2015-06-10 | 2015-06-10 | A kind of sampling rod for stool sampling device |
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| CN105092283B CN105092283B (en) | 2018-09-25 |
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Cited By (7)
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| CN106501018A (en) * | 2016-12-09 | 2017-03-15 | 广州沣润生物科技有限公司 | A kind of feces sampler |
| CN107290168A (en) * | 2016-04-12 | 2017-10-24 | 北京量化健康科技有限公司 | A kind of utensil and its application method for gathering and storing fecal sample |
| CN108195616A (en) * | 2018-02-24 | 2018-06-22 | 广州市康立明生物科技有限责任公司 | A kind of excrement quantitative sampling device |
| CN108414263A (en) * | 2018-05-04 | 2018-08-17 | 上海透景诊断科技有限公司 | Fecal sample integral collecting device and method |
| CN108982146A (en) * | 2018-07-25 | 2018-12-11 | 北京金河水务建设集团有限公司 | Simple sampler and the simple method of sampling suitable for soil sampling |
| CN109490005A (en) * | 2018-11-30 | 2019-03-19 | 北京君立康博科技有限公司 | Excrement quantitative sampling device |
| US11458476B2 (en) | 2019-10-17 | 2022-10-04 | Marvin Liu | In-situ fecal specimen sampling device |
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| CN105092283B (en) | 2018-09-25 |
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