CN217605329U - Excrement sampler and excrement sampler subassembly - Google Patents
Excrement sampler and excrement sampler subassembly Download PDFInfo
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- CN217605329U CN217605329U CN202123424173.0U CN202123424173U CN217605329U CN 217605329 U CN217605329 U CN 217605329U CN 202123424173 U CN202123424173 U CN 202123424173U CN 217605329 U CN217605329 U CN 217605329U
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Abstract
The utility model relates to a stool sampler and a stool sampler component, wherein the stool sampler component comprises a stool sampler and a preservation container, and the stool sampler comprises an outer sampling tube and an inner sampling tube; the front end pipe orifice of the sampling outer pipe is an outer pipe sampling socket for the formed excrement to enter and exit, the front end of the sampling inner pipe is fixed with an outer pipe matching piston or a push plate matched with the outer pipe, an inner pipe matching piston rod is arranged in the sampling inner pipe, and the inner pipe matching piston rod comprises an inner pipe matching piston and a piston rod body; the inner tube is matched with the piston rod to suck pasty excrement by backward movement; after sampling the formed excrement, pushing the sampling inner tube forwards to push out the excrement sample; after pasty excrement is sampled, the excrement sample is pushed out under the action of the inner tube matched with the piston by pushing the inner tube matched with the piston rod forwards; therefore, the sample can be efficiently and accurately taken, the diversity requirement of the excrement sample can be met, and the device is simple in structure and convenient to operate.
Description
Technical Field
The utility model relates to a measuring and testing are with sampling device, concretely relates to stool sampler and stool sampler subassembly.
Background
Colorectal cancer is a common malignant tumor of the digestive tract, and abnormal gene methylation is closely related to the occurrence of cancer and can be used as a molecular marker for early-stage cancer screening. The non-invasive detection technology for detecting the advanced adenoma and early intestinal cancer based on the gene abnormal change of the cast-off cells in the feces can help to find the pathological change condition of the early intestinal cancer of a patient, hopefully block the intestinal cancer at the early stage, and thus, the purpose of preventing and radically treating the intestinal cancer is achieved.
Excrement detection generally adopts excrement and urine sampler to take a small part sample from excrement and urine to detect, and current commonly used excrement and urine sampler, for example, the patent document of grant publication No. CN206440481U discloses an excrement and urine sampling spoon, and this kind of sampling spoon is when gathering excrement and urine, and excrement and urine easily glues on the ladle and is difficult for droing, and excrement and urine easily leaks to the preservation outside of managing in the operation process, leads to the pollution.
When the sampler is used, a piston rod is firstly pulled upwards, a part of a hollow tube positioned at the front end of the piston rod forms a sampling cavity, a place with a certain thickness of the excrement is selected and vertically inserted into the excrement, the excrement is taken after rotating for one circle, then the excrement is aligned with a storage container, the piston rod is pushed downwards, the excrement sample is injected into the storage container, and the sample is mixed with the storage liquid in the storage container.
Although this syringe-type cylindrical sampler is less likely to cause contamination, it is only possible to quantitatively sample formed feces, and it is very difficult to hold unformed pasty feces in a container after inserting the unformed feces, and even if the unformed feces can be taken out, the unformed feces can easily fall out, which is inconvenient to handle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a stool sampler to solve the technical problem that the existing tubular stool sampler has poor adaptability to formed stools and unshaped stools; an object of the utility model is to provide a stool sampler subassembly to solve present tube-shape stool sampler to shaping excrement and urine and the relatively poor technical problem of unshaped excrement and urine adaptability.
The technical scheme of the utility model is that:
a stool sampler comprises an outer sampling tube for sampling formed stools and an inner sampling tube for sampling pasty stools, wherein the outer sampling tube is sleeved outside the inner sampling tube; the sampling outer pipe extends forwards and backwards, the front end pipe orifice is an outer pipe sampling socket for the excrement to enter and exit, and the rear end pipe orifice is an inner pipe extension orifice for the sampling inner pipe to extend out; the front end of the sampling inner tube is fixed with an outer tube matching piston in sliding seal fit with the inner wall surface of the sampling outer tube or an outer tube matching push plate in sliding clearance fit with the inner wall surface of the sampling outer tube, a sampling socket of the outer tube is used for being inserted into formed excrement to enable the formed excrement to enter the sampling outer tube, the outer tube matching piston is used for drawing the sampling inner tube to move backwards for a set distance to form a sampling cavity for the formed excrement to enter at the front side of the outer tube matching piston when the formed excrement is taken, and the outer tube matching push plate is used for moving backwards under the pushing action of the formed excrement to enable the formed excrement to enter the sampling outer tube when the formed excrement is taken; the sampling inner tube is internally provided with an inner tube matching piston rod, the inner tube matching piston rod comprises an inner tube matching piston and a piston rod body driving the inner tube matching piston to move, and the sampling inner tube is provided with an inner tube sampling opening and a piston rod extending opening for the piston rod body to extend out; the inner pipe is matched with the piston rod and used for backwards moving to suck the pasty excrement when the pasty excrement is taken, and the inner pipe is matched with the sampling inner pipe to keep the pasty excrement in the sampling inner pipe; after sampling the formed excrement, pushing the sampling inner tube forwards to push out the excrement sample under the action of an outer tube matching piston and an inner tube matching piston or under the action of an outer tube matching push plate and an inner tube matching piston; after pasty excrement is sampled, the excrement sample is pushed out under the action of the inner tube matched with the piston by pushing the inner tube matched with the piston forwards.
Has the advantages that: through the outer tube inner wall of taking a sample, outer tube cooperation piston or outer tube cooperation push pedal, inner tube cooperation piston forms the great sample chamber of cross-sectional area, thereby conveniently take a sample to shaping excrement and urine, and to mushy excrement and urine, then can suck the sample through the inner tube cooperation piston rod in the sample inner tube, because the sample inner tube is compared the sample outer tube and is thinner, the cross-sectional area is less, mushy excrement and urine sample is under the effect with adhesive force and external atmospheric pressure of sample inner tube inner wall like this, can keep in the sample inner tube, thereby realize effective sample, compare in the existing excrement and urine sample product in the market, can not only high-efficiently, accurately take the sample, more can satisfy excrement and urine sample diversity demand, moreover, the steam generator is simple in structure, and convenient operation.
Furthermore, a rear stopping surface for limiting the sampling inner tube to be pulled out backwards and a front stopping surface for limiting the sampling outer tube to be pulled out forwards are arranged on the sampling outer tube.
Has the advantages that: avoid the sample inner tube to deviate from the sample outer tube, simultaneously, can conveniently realize the ration sample through restricting sample inner tube home range.
Furthermore, a front stop block and a rear stop block are arranged on the inner wall of the sampling outer tube, the rear side face of the front stop block forms the front stop face, the front side face of the rear stop block forms the rear stop face, an inner tube stop block is arranged on the outer wall of the sampling inner tube, the inner tube stop block is used for being in stop fit with the front stop face to limit the sampling inner tube to be forwards separated from the sampling outer tube, and the inner tube stop block is also used for being in stop fit with the rear stop face to limit the sampling inner tube to be backwards separated from the sampling outer tube.
Has the advantages that: the inner pipe stop block is arranged to form stop matching with the front stop block and the rear stop block, so that the structure is simple and the forming and manufacturing are convenient.
Further, when the sampling inner tube moves forward to be matched with the front stop surface of the sampling outer tube in a stop mode, the front tube opening of the sampling inner tube is flush with the front tube opening of the sampling outer tube.
Has the advantages that: like this when taking a sample paste-like excrement and urine, can be with the preceding mouth of pipe parallel and level of the preceding mouth of pipe of sample inner tube and sample outer tube to the sample is sucked through pull inner tube cooperation piston rod to the convenience.
Further, the front side surface of the outer tube matching piston or the front side surface of the outer tube matching push plate is flush with the pipe orifice of the sampling inner pipe.
Has the advantages that: the formed excrement is conveniently pushed out.
Furthermore, scales are arranged on at least one of the sampling inner tube and the sampling outer tube.
Has the advantages that: different quantitative samples can be flexibly adapted by setting scales.
Further, the inner hole of the sampling inner tube is an equal-diameter hole.
Has the advantages that: the convenient preparation shaping, simultaneously, make things convenient for the inner tube cooperation piston to remove in the sample inner tube.
Further, the inner hole of the sampling outer tube is an equal-diameter hole.
Has the advantages that: the convenient preparation shaping, simultaneously, be favorable to keeping the excrement and urine sample in the sample outer tube.
The utility model discloses a technical scheme of excrement and urine sampler subassembly is:
the excrement sampler component comprises an excrement sampler and a storage container for storing collected excrement samples, wherein the excrement sampler comprises an outer sampling pipe for sampling formed excrement and an inner sampling pipe for sampling pasty excrement, and the outer sampling pipe is sleeved outside the inner sampling pipe; the sampling outer pipe extends forwards and backwards, the front end pipe orifice is an outer pipe sampling socket for the excrement to enter and exit, and the rear end pipe orifice is an inner pipe extension orifice for the sampling inner pipe to extend out; the front end of the sampling inner tube is fixedly provided with an outer tube matching piston in sliding seal fit with the inner wall surface of the sampling outer tube or an outer tube matching push plate in sliding clearance fit with the inner wall surface of the sampling outer tube, the outer tube sampling socket is used for being inserted into formed excrement to enable the formed excrement to enter the sampling outer tube, the outer tube matching piston is used for drawing the sampling inner tube to move backwards for a set distance when the formed excrement is taken so as to form a sampling cavity for the formed excrement to enter at the front side of the outer tube matching piston, and the outer tube matching push plate is used for moving backwards under the pushing action of the formed excrement when the formed excrement is taken so as to enable the formed excrement to enter the sampling outer tube; the sampling inner tube is internally provided with an inner tube matching piston rod, the inner tube matching piston rod comprises an inner tube matching piston and a piston rod body driving the inner tube matching piston to move, and the sampling inner tube is provided with an inner tube sampling opening and a piston rod extending opening for extending the piston rod body; the inner pipe is matched with the piston rod and used for backwards moving to suck the pasty excrement when the pasty excrement is taken, and the inner pipe is matched with the sampling inner pipe to keep the pasty excrement in the sampling inner pipe; after sampling formed excrement, pushing the sampling inner tube forwards to push out the excrement sample under the action of an outer tube matching piston and an inner tube matching piston or under the action of an outer tube matching push plate and an inner tube matching piston; after pasty excrement is sampled, the excrement sample is pushed out under the action of the inner tube matched with the piston by pushing the inner tube matched with the piston forwards.
Has the advantages that: through the outer tube inner wall of taking a sample, outer tube cooperation piston or outer tube cooperation push pedal, inner tube cooperation piston forms the great sample chamber of cross-sectional area, thereby conveniently take a sample to shaping excrement and urine, and to mushy excrement and urine, then can suck the sample through the inner tube cooperation piston rod in the sample inner tube, because the sample inner tube is compared the sample outer tube and is thinner, the cross-sectional area is less, mushy excrement and urine sample is under the effect with adhesive force and external atmospheric pressure of sample inner tube inner wall like this, can keep in the sample inner tube, thereby realize effective sample, compare in the existing excrement and urine sample product in the market, can not only high-efficiently, accurately take the sample, more can satisfy excrement and urine sample diversity demand, moreover, the steam generator is simple in structure, and convenient operation.
Furthermore, a rear stopping surface for limiting the sampling inner tube to be pulled out backwards and a front stopping surface for limiting the sampling outer tube to be pulled out forwards are arranged on the sampling outer tube.
Has the advantages that: avoid the sample inner tube to deviate from the sample outer tube, simultaneously, can conveniently realize the ration sample through restricting sample inner tube home range.
Furthermore, a front stop block and a rear stop block are arranged on the inner wall of the sampling outer tube, the rear side face of the front stop block forms the front stop face, the front side face of the rear stop block forms the rear stop face, an inner tube stop block is arranged on the outer wall of the sampling inner tube, the inner tube stop block is used for being in stop fit with the front stop face to limit the sampling inner tube to be forwards separated from the sampling outer tube, and the inner tube stop block is also used for being in stop fit with the rear stop face to limit the sampling inner tube to be backwards separated from the sampling outer tube.
Has the advantages that: the inner pipe stop block is arranged to form stop matching with the front stop block and the rear stop block, so that the structure is simple and the forming and manufacturing are convenient.
Further, when the sampling inner tube moves forward to be matched with the front stop surface of the sampling outer tube in a stop mode, the front tube opening of the sampling inner tube is flush with the front tube opening of the sampling outer tube.
Has the advantages that: like this when taking a sample paste-like excrement and urine, can be with the preceding mouth of pipe parallel and level of the preceding mouth of pipe of sample inner tube and sample outer tube to the sample is sucked through pull inner tube cooperation piston rod to the convenience.
Further, the front side surface of the outer tube matching piston or the front side surface of the outer tube matching push plate is flush with the pipe orifice of the sampling inner pipe.
Has the advantages that: the formed excrement is conveniently pushed out.
Furthermore, scales are arranged on at least one of the sampling inner tube and the sampling outer tube.
Has the advantages that: different quantitative samples can be flexibly adapted by setting scales.
Further, the inner hole of the sampling inner tube is an equal-diameter hole.
Has the advantages that: the convenient preparation shaping, simultaneously, make things convenient for the inner tube cooperation piston to remove in the sample inner tube.
Furthermore, the inner hole of the sampling outer tube is an equal-diameter hole.
Has the advantages that: the convenient preparation shaping, simultaneously, be favorable to keeping the excrement and urine sample in the sample outer tube.
Further, the preservation container includes a body having an opening and a lid that closes the opening of the body.
Has the advantages that: avoiding the generation of pollution.
Drawings
FIG. 1 is a schematic view of a feces sampler of the present invention in sampling formed feces;
FIG. 2 is a schematic view of a feces sampler of the present invention in a state of sampling pasty feces;
fig. 3 is a schematic diagram of the state of the stool sampler of the present invention when pushing a sample into a storage container.
In the figure: 1. sampling an outer tube; 11. a rear stop block; 12. a front stop block; 2. sampling an inner tube; 21. an inner tube stop block; 3. the inner tube is matched with the piston rod; 4. the outer tube is matched with the piston; 5. the inner tube is matched with the piston; 6. a body; 7. and a cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention, i.e., the described embodiments are merely illustrative of some, but not all, of the embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, which may be present in the embodiments of the present invention, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the possible occurrences of the phrase "comprising a" \8230; "8230;" etc. does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises such element.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" as may be used herein are to be construed broadly, e.g., as being fixed or releasably connected or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.
The present invention will be described in further detail with reference to examples.
The utility model discloses an embodiment of excrement and urine sampler subassembly:
as shown in fig. 1, 2, 3, the stool-sampler assembly includes a stool-sampler and a preservation container for preserving a collected stool sample.
Excrement and urine sampler includes sample outer tube 1 and sample inner tube 2, 1 covers of sample outer tube is outside sample inner tube 2, sample outer tube 1 is the equal diameter pipe that two-way link up with sample inner tube 2, sample outer tube 1 all extends along the fore-and-aft direction with sample inner tube 2, the length of sample inner tube 2 is greater than the length of sample outer tube 1, the inner tube that the rear end mouth of pipe of sample outer tube 1 stretches out the mouth for supplying sample inner tube 2 to stretch out, the front end mouth of pipe is for supplying the outer tube sample socket of taking shape excrement and urine business turn over, be equipped with the scale from the initial reading of its front end mouth of pipe on the sample inner tube 2.
The front end of the sampling inner tube 2 is fixed with an outer tube matching piston 4, the outer wall of the front end of the sampling inner tube 2 is provided with an annular bulge, the outer tube matching piston 4 is annular, and the inner wall surface is provided with an annular groove for the clamping of the annular bulge on the sampling inner tube 2. The outer tube cooperates piston 4 and the internal face sliding seal cooperation of sample outer tube 1, and outer tube cooperation piston 4 is parallel and level with the front end mouth of pipe of sample inner tube 2. The outer peripheral face epirelief of sample inner tube 2 is equipped with inner tube dog 21, and the inner peripheral face epirelief of sample outer tube 1 is equipped with positive stop 12 and backstop 11, and inner tube dog 21 is located between positive stop 12 and the backstop 11 to restrict the home range of sample inner tube 2 through inner tube dog 21 and positive stop 12, 11 cooperations of backstop, avoid taking a sample inner tube 2 and deviate from sample outer tube 1, and conveniently realize taking a sample 1 ration sample of outer tube.
During the installation, insert sample inner tube 2 in sample outer tube 1, and make inner tube dog 21 stagger with backstop 11, so that the front end of sample inner tube 2 stretches out sample outer tube 1, then with outer tube cooperation piston 4 card on the annular of the front end of sample inner tube 2 is protruding, then from rear end pulling sample inner tube 2, make outer tube cooperation piston 4 get into sample outer tube 1, then rotatory sample inner tube 2, make inner tube dog 21 be in between backstop 12 and backstop 11, accomplish the installation of sample inner tube 2. In order to ensure the blocking effect, the front block 12 and the rear block 11 are both in fan-ring shapes.
The rear end mouth of pipe department of sample outer tube 1, the rear end mouth of pipe department of sample inner tube 2 all are equipped with the turn-up edge to make things convenient for the hand-held operation application of force push-and-pull sample inner tube 2, make sample inner tube 2 for sample outer tube 1 back-and-forth movement.
Be equipped with inner tube cooperation piston rod 3 in the sample inner tube 2, inner tube cooperation piston rod 3 includes the piston rod body that inner tube cooperation piston 5 and drive inner tube cooperation piston 5 and remove, is equipped with annular arch on the outer wall of piston rod body front end, and inner tube cooperation piston 5 is the annular and is equipped with the annular groove that supplies annular arch card on the piston rod body on the internal face to supply inner tube cooperation piston 5 to install on the piston rod body. Inner tube cooperation piston 5 and the internal face sliding seal cooperation of sample inner tube 2, the preceding terminal surface parallel and level of the inner tube cooperation piston 5 and the piston rod body, the length of the piston rod body is greater than the length of the inner tube 2 of taking a sample, the rear end mouth of pipe of the inner tube 2 of taking a sample supplies the piston rod body to stretch out, the piston rod body is the solid body of rod, the rear end of the piston rod body is equipped with the edge of turning up, in order to make things convenient for manual operation application of force push-and-pull inner tube cooperation piston rod 3, make inner tube cooperation piston rod 3 for the 2 back-and-forth movements of sample inner tube, the front end mouth of pipe of sample inner tube 2 is used for forming the inner tube sample connection that supplies the business turn over of mushy excrement and urine.
The preservation container comprises a container body 6 with an opening and a cover 7 for sealing the opening of the container body 6, wherein the container body 6 is a cylinder body with the capacity of 50ml, the bottom of the cylinder body is of a conical structure, and the container body 6 is provided with scales, so that a proper amount of preservation solution can be conveniently injected.
When the sampling device is used, if formed excrement is sampled, the sampling inner tube 2 is pulled to move backwards relative to the sampling outer tube 1, the sampling inner tube 2 drives the inner tube to be matched with the piston rod 3 to move together until the inner tube stop block 21 and the rear stop block 11 are stopped, and the inner tube matched piston 5 is flush with the outer tube matched piston 4, so that the state shown in the figure 1 is achieved, at the moment, the space in the sampling outer tube 1 on the front side of the outer tube matched piston 4 forms a sampling cavity for the formed excrement to enter, then the excrement sampler is inserted into the excrement, sampling is carried out through the sampling cavity, after the formed excrement is sampled, the excrement sampler is vertically placed into a barrel body of a storage container, the sampling inner tube 2 is pushed, the sample is completely squeezed into a storage liquid in the barrel body of the storage container, and then the cover 7 is screwed down to carry out subsequent operation;
if pasty feces are sampled, the inner tube stop block 21 and the front stop block 12 form a stop in the forward direction, at this time, the front tube opening of the sampling inner tube 2, the outer tube matching piston 4 and the front tube opening of the sampling outer tube 1 are flush, then the feces sampler is inserted into the feces, the inner tube matching piston rod 3 is moved backwards relative to the sampling inner tube 2 by pulling the inner tube matching piston rod 3, the moving distance of the inner tube matching piston rod 3 can be visually measured through the scale on the sampling inner tube 2, quantitative sampling is carried out, the state shown in fig. 2 is achieved, the feces sample is kept in the space of the sampling inner tube 2 located in front of the inner tube matching piston 5, the sample cannot fall off from the sampling inner tube 2 under the action of adhesive force and atmospheric pressure, after sampling is finished, the feces sampler is placed into the barrel of a storage container, the inner tube matching piston rod 3 is pushed to be completely pumped into liquid, and then the cover 7 is screwed down, so that subsequent operation can be carried out.
Like this integrated different sampling functions on a device, the body of inner tube cooperation piston rod is also regarded as not only as the piston rod of sample outer tube to the sample inner tube, simple structure, and convenient operation can not only effectively, accurately take the sample, more can satisfy excrement and urine sample diversity demand, has greatly made things convenient for the use.
In the above-mentioned embodiment, be fixed with on the sample inner tube with sample outer tube internal face sliding seal fit's outer tube cooperation piston, outer tube cooperation piston is used for moving backward through pull sample inner tube when getting shaping excrement and urine and sets for the distance in order to form the sample chamber that supplies shaping excrement and urine to get into at the front side of outer tube cooperation piston, in other embodiments, also can be fixed with on the sample inner tube with sample outer tube internal face sliding clearance fit's outer tube cooperation push pedal, through outer tube cooperation push pedal when getting shaping excrement and urine backward motion under shaping excrement and urine's top pushes away the effect and gets into in the sample outer tube for shaping excrement and urine.
In the above embodiment, the inner tube stopper is disposed on the inner sampling tube, so as to limit the moving range of the inner sampling tube by the cooperation of the inner tube stopper with the front stopper and the rear stopper on the outer sampling tube, the rear side of the front stopper forms the front stopper surface, and the front side of the rear stopper forms the rear stopper surface.
In the above-mentioned embodiment, the mouth of pipe parallel and level of outer tube cooperation piston and sample inner tube, in other embodiments, the mouth of pipe of outer tube cooperation piston and sample inner tube also can not parallel and level, and the front end mouth of pipe of sample inner tube is located the front side of outer tube cooperation piston.
In the above embodiments, the storage container includes a body having an opening and a lid for closing the opening of the body, but in other embodiments, the lid may be removed, not closed, or plugged with a cotton ball.
In the above embodiment, the sampling inner tube is provided with the scale, and in other embodiments, the scale can be arranged on the sampling outer tube, or the sampling inner tube and the sampling outer tube are both provided with the scale.
The utility model provides an embodiment of excrement and urine sampler:
the stool sampler in this embodiment is identical in structure to the stool sampler in the above-described stool sampler assembly embodiment, and is not described herein again.
Finally, it should be noted that the above mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments may be modified without inventive effort, or some technical features may be substituted equally. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A stool sampler is characterized by comprising an outer sampling tube for sampling formed stools and an inner sampling tube for sampling pasty stools, wherein the outer sampling tube is sleeved outside the inner sampling tube; the sampling outer pipe extends forwards and backwards, the front end pipe orifice is an outer pipe sampling socket for the excrement to enter and exit, and the rear end pipe orifice is an inner pipe extension orifice for the sampling inner pipe to extend out; the front end of the sampling inner tube is fixedly provided with an outer tube matching piston in sliding seal fit with the inner wall surface of the sampling outer tube or an outer tube matching push plate in sliding clearance fit with the inner wall surface of the sampling outer tube, the outer tube sampling socket is used for being inserted into formed excrement to enable the formed excrement to enter the sampling outer tube, the outer tube matching piston is used for drawing the sampling inner tube to move backwards for a set distance when the formed excrement is taken so as to form a sampling cavity for the formed excrement to enter at the front side of the outer tube matching piston, and the outer tube matching push plate is used for moving backwards under the pushing action of the formed excrement when the formed excrement is taken so as to enable the formed excrement to enter the sampling outer tube; the sampling inner tube is internally provided with an inner tube matching piston rod, the inner tube matching piston rod comprises an inner tube matching piston and a piston rod body driving the inner tube matching piston to move, and the sampling inner tube is provided with an inner tube sampling opening and a piston rod extending opening for the piston rod body to extend out; the inner pipe is matched with the piston rod and used for moving backwards to suck the pasty excrement when the pasty excrement is taken, and the inner pipe is matched with the sampling inner pipe to keep the pasty excrement in the sampling inner pipe; after sampling formed excrement, pushing the sampling inner tube forwards to push out the excrement sample under the action of an outer tube matching piston and an inner tube matching piston or under the action of an outer tube matching push plate and an inner tube matching piston; after pasty excrement is sampled, the excrement sample is pushed out under the action of the inner tube matched with the piston by pushing the inner tube matched with the piston forwards.
2. The fecal sampler of claim 1 wherein the sampling outer tube has a rear stop surface to limit the rearward withdrawal of the sampling inner tube and a front stop surface to limit the forward withdrawal of the sampling outer tube.
3. The fecal sampler of claim 2 wherein the inner wall of the sampling outer tube is provided with a front stop and a rear stop, the rear side of the front stop constituting said front stop face, the front side of the rear stop constituting said rear stop face, the outer wall of the sampling inner tube is provided with an inner tube stop for stop-cooperating with the front stop face to limit the forward removal of the sampling inner tube from the sampling outer tube, the inner tube stop is further for stop-cooperating with the rear stop face to limit the rearward removal of the sampling inner tube from the sampling outer tube.
4. The fecal sampler of claim 2 wherein the forward nozzle of the inner sampling tube is flush with the forward nozzle of the outer sampling tube when the inner sampling tube is moved forward into stop engagement with the forward stop surface of the outer sampling tube.
5. The sampler of claim 1, wherein the front side of the outer tube-engaging piston or the front side of the outer tube-engaging push plate is flush with the mouth of the inner sampling tube.
6. A sampler according to any one of claims 1 to 5, in which at least one of the inner and outer sampling tubes is provided with graduations.
7. A faecal sampler according to any of claims 1 to 5 wherein the internal bore of the inner sampling tube is of constant diameter.
8. A faecal sampler according to any of claims 1 to 5 wherein the internal bore of the outer sampling tube is of constant diameter.
9. A stool sampler assembly comprising a stool sampler and a storage container for storing a collected stool sample, wherein said stool sampler is a stool sampler according to any one of claims 1-8.
10. A stool sampler assembly according to claim 9, wherein the holding container includes a body having an opening and a cover for closing the opening of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123424173.0U CN217605329U (en) | 2021-12-31 | 2021-12-31 | Excrement sampler and excrement sampler subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123424173.0U CN217605329U (en) | 2021-12-31 | 2021-12-31 | Excrement sampler and excrement sampler subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217605329U true CN217605329U (en) | 2022-10-18 |
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|---|---|---|---|
| CN202123424173.0U Active CN217605329U (en) | 2021-12-31 | 2021-12-31 | Excrement sampler and excrement sampler subassembly |
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| Country | Link |
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| CN (1) | CN217605329U (en) |
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2021
- 2021-12-31 CN CN202123424173.0U patent/CN217605329U/en active Active
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