CN117547312B - Convenient conventional sampling device based on extrusion type collection - Google Patents
Convenient conventional sampling device based on extrusion type collection Download PDFInfo
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- CN117547312B CN117547312B CN202410037265.2A CN202410037265A CN117547312B CN 117547312 B CN117547312 B CN 117547312B CN 202410037265 A CN202410037265 A CN 202410037265A CN 117547312 B CN117547312 B CN 117547312B
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- 238000005070 sampling Methods 0.000 title claims abstract description 132
- 238000001125 extrusion Methods 0.000 title claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims description 45
- 238000000576 coating method Methods 0.000 claims description 45
- 238000005253 cladding Methods 0.000 claims description 27
- 239000010410 layer Substances 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 15
- 239000011247 coating layer Substances 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 2
- 210000003608 fece Anatomy 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003292 glue Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000013872 defecation Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0038—Devices for taking faeces samples; Faecal examination devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of conventional sampling, in particular to a conventional sampling device for collecting based on extrusion. The stool sampling device comprises a sampling tube and a collecting film, wherein the sampling tube is used for storing stool to be detected, and the top of the sampling tube is provided with an opening. The collecting channel of the invention falls into the closestool, the collecting channel can be directly connected into the sampling tube, the person who collects the excrement normally can discharge the excrement on the closestool, and the discharged excrement is collected by the collecting film, so that the person does not need to use a toilet spoon to remove the excrement buckled in the closestool, but can directly lift the collecting film, thereby avoiding the contact of the excrement with water in the closestool, and reducing the uncomfortable feeling caused by the person.
Description
Technical Field
The invention relates to the technical field of conventional sampling, in particular to a conventional sampling device for collecting based on extrusion.
Background
When a hospital diagnoses a patient, the patient's excrement needs to be detected, the condition of the patient is analyzed through components in the excrement, in the prior art, the excrement is taken out through removing the buckle in the urinal or is discharged into the bag and then buckled, so that discomfort is easily brought to personnel when the excrement is taken out, and the excrement falling into the urinal is contacted with water, so that the detection result is influenced, however, the problem of how to fix the bag is solved.
Disclosure of Invention
The invention aims to provide a convenient conventional sampling device for collecting based on extrusion type so as to solve the problems in the background art.
In order to achieve the above object, there is provided a conventional sampling device for collecting stool based on extrusion, comprising a sampling tube for storing stool to be detected, the top of the sampling tube having an opening, characterized by further comprising a collecting film provided on the side of the opening of the sampling tube, the collecting film being contracted at a position adjacent to the sampling tube before use, and the contracted collecting film being expanded to form a collecting channel outside the opening of the sampling tube when in use;
wherein, make the collection passageway fall in the urinal to collect the excrement, and get into under the effect of extrusion force the sampling tube is interior to be stored.
As a further improvement of the technical scheme, the collecting film is funnel-shaped, the top of the collecting film is provided with a wide opening, and the bottom of the collecting film is provided with a narrow opening; the collecting film is folded or rolled from the wide mouth side to be contracted at a position adjacent to the sampling tube.
As a further improvement of the technical scheme, the narrow opening of the collecting film is connected with the opening of the sampling tube.
As a further improvement of the technical scheme, the outer edge of the wide mouth is provided with an outer tube tightening part.
As a further improvement of the technical scheme, a coating film is arranged on the narrow opening side of the collecting film, the coating film is cylindrical, the end part of the coating film is connected to the inner wall of the sampling tube, and the subsequent coating film is attached to the inner wall of the sampling tube by taking the end part of the coating film as a starting point to form an in-tube coating layer;
and then laying the outer wall of the sampling tube, and stacking the outer wall of the sampling tube to form a tube outer coating layer, wherein the sampling tube is coated by the tube outer coating layer.
As a further improvement of the technical scheme, the radius of the coating film is smaller than the outer diameter of the sampling tube, and the coating film has elasticity.
As a further improvement of the technical scheme, the radius of the coating film is larger than the outer diameter of the sampling tube, a pressing plate is arranged outside the sampling tube, the bottom end of the pressing plate is fixedly connected with the wall body of the sampling tube, the other end of the pressing plate is separated from the setting of the sampling tube, and the end of the pressing plate is pressed on the outer coating layer of the tube under the action of self elasticity.
As a further improvement of the technical scheme, the wall body of the sampling tube is provided with perforations corresponding to the connection part of the end part of the coating film and the inner wall of the sampling tube, the edge of the end part of the coating film is internally provided with an in-tube tightening part, the periphery of the end part of the coating film is provided with a connector corresponding to the perforations, and the connector penetrates through the perforations to connect the in-tube coating layer with the innermost-layer out-tube coating layer.
As a further improvement of the technical scheme, the pressing plate is arched outwards to form a containing space outside the sampling tube, and the collecting film is contracted in the containing space.
As a further improvement of the technical scheme, one side of the perforation, which is close to the outer cladding layer of the pipe, is in a flaring shape, and a protruding thorn is arranged in a space formed by flaring;
the protruding thorns are positioned at the bottom side of the connecting body, and the end parts of the pressure plates, which are separated from the sampling tubes, are adjacent to the top side of the connecting body.
Compared with the prior art, the invention has the beneficial effects that:
in this conventional sampling device of just collecting based on extrusion, collect film forms a collection passageway in the closestool, and this collection passageway can direct in the sampling tube, just the personnel who carries out just regular collection just on the closestool just carry out the defecation can, the excreted defecation is collected by collection film, just so just need not the personnel use just to take the stool spoon to detain just in the closestool, but directly with collection film mention can to avoid the water contact in the stool, also reduced the uncomfortable sense that gives personnel to cause.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the use of the sampling tube of the present invention;
FIG. 3 is a schematic view of the structure of a sampling tube and a collecting membrane according to the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;
FIG. 5 is a schematic view of the composition structure of the wrapping film of the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5B in accordance with the present invention;
FIG. 7 is a schematic view of a platen structure of the present invention;
FIG. 8 is a schematic view of the platen and spike operation principle of the present invention;
FIG. 9 is a schematic view of the layout of the wrapping film of the present invention;
FIG. 10 is a force analysis chart of the collecting membrane and the wrapping membrane of the present invention;
FIG. 11 is a schematic diagram illustrating the operation of a first embodiment of the present invention;
FIG. 12 is a force analysis chart of an inner and outer tube coating layer according to a second embodiment of the present invention;
fig. 13 is a schematic diagram of the working principle of the first embodiment of the present invention;
fig. 14 is a schematic view of the principle of the spike of the present invention.
The meaning of each reference sign in the figure is:
100. a sampling tube; 100A, perforating; 110. a spike; 200. collecting the film; 210. a tube outer tightening part; 220. coating a film; 220a, an in-tube cladding; 220b, a tube outer cladding; 230. a tube-inside tightening part; 240. a connecting body; 300. and (5) pressing plates.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The present invention provides a conventional sampling device for collecting based on extrusion, referring to fig. 1, which includes a sampling tube 100 and a collecting film 200, wherein the top of the sampling tube 100 has an opening, the collecting film 200 is disposed on the side of the opening of the sampling tube 100, and the collecting film 200 is contracted to a position adjacent to the sampling tube 100 before use, for example: the contracted collecting film 200 is stretched out to form a collecting channel outside the opening of the sampling tube 100, outside the body of the sampling tube 100, or inside the sampling tube 100 when in use.
Referring to fig. 2, the principle of the sampling device of the present embodiment is described with reference to fig. 2, in which the collecting film 200 is a funnel-shaped plastic film, so that the bottom of the collecting film 200 has a narrow opening, the size of the narrow opening is adapted to the opening of the sampling tube 100, the top has a wide opening, the size of the wide opening is adapted to the opening of the toilet, then the narrow opening is directly connected to the opening of the sampling tube 100 (specifically, the narrow opening can be adhered to the opening through glue), and is contracted at a position adjacent to the sampling tube 100 by folding or rolling the wide opening side, when in use, the contracted collecting film 200 is unfolded, and then the wide opening side of the collecting film 200 is sleeved on the toilet bowl, and when in use, the collecting film 200 needs to be dropped into the toilet, but cannot be contacted with water in the toilet bowl, when in use, the length of the collecting film 200 is required to be controlled to be sleeved on the toilet bowl, so as to ensure that the sampling tube 100 cannot be contacted with water, and after the sampling tube is ready, the collecting film 200 forms a collecting channel in the toilet bowl, and when the collecting film 200 is directly connected to the toilet bowl, the collecting film is directly, and when the toilet bowl is conveniently cleaned, the water is not required to be conveniently touched by a person, and the toilet bowl is conveniently, and the toilet is conveniently cleaned.
However, since the opening of the sampling tube 100 is small, the stool in the collection channel needs to be squeezed into the sampling tube 100 through the collection film 200, so that the collection of the stool is completed, after the completion, the collection film 200 is used for wrapping the excessive stool, then the collection film 200 is pulled down and is thrown into a designated dustbin, and the sampling tube 100 is placed at a designated position and waits for detection by a worker.
Preferably, as shown in fig. 3, an outer tube tightening part 210 is provided on the outer edge of the wide mouth, and the common outer tube tightening part 210 is an elastic cord, an elastic band or other elastic member, so that the collecting film 200 can be stably fitted over the toilet mouth.
In a second embodiment, referring to fig. 3 to 6, first, in fig. 3 and 4, a wrapping film 220 is disposed on the narrow side of a collecting film 200, and, in conjunction with fig. 5, the wrapping film 220 is a cylindrical plastic film extending from the narrow side of the collecting film 200 (that is, the wrapping film 220 and the collecting film 200 are integrally connected), and an end C of the wrapping film 220 is directly connected to the inner wall of the sampling tube 100 (specifically, may be adhered to the inner wall of the sampling tube 100 by glue), in order to facilitate understanding, by showing the arrangement trend of the wrapping film 220 in fig. 9 (only the trend of the wrapping film 220 is limited, without considering the problem of the actual thickness of the wrapping film 220), the end C of the wrapping film 220 is arranged upward along the inner wall of the sampling tube 100, is folded outward after reaching the opening, is then folded downward along the outer wall of the sampling tube 100, and is folded upward again, so as to complete one stacking, wherein:
the coating film 220 disposed upward along the inner wall of the sampling tube 100 is hereinafter referred to as an in-tube coating 220a;
the coating film 220 stacked on the outer wall of the sampling tube 100 is hereinafter referred to as a tube outer coating 220b;
also, the M part in fig. 9 shows a case of one stacking, and the N part in fig. 9 shows a case of two stacking, and as for the number of stacking, it is determined according to the actual length of the tube outer cladding 220b, but at least once.
In the first embodiment, the radius of the coating film 220 is slightly smaller than the outer diameter of the sampling tube 100, and the coating film 220 itself has a certain elasticity, so that the tube outer coating 220b coated outside the sampling tube 100 can connect the collecting film 200 with the sampling tube 100, as shown in fig. 10, when stool (i.e., a shadow portion in the collecting film 200 in fig. 10) is accumulated on the opening of the sampling tube 100, a part of the pressure F1 acts on the sampling tube 100, and a part of the pressures F2 and F2 'act on the collecting film 200 (since the connection relationship between the part of the pressure and the tube outer coating 220b and the sampling tube 100 is not greatly affected, the influence of the part of the pressure on the connection relationship between the pressure F1 and the sampling tube 100 is negligible), and the gravity of the sampling tube 100 itself and the stool falling inside the sampling tube 100 are added, so that a resultant force F is formed, and the tube outer coating 220b has a certain coating force, so that friction forces F, F' and F 'are formed between the sampling tube 100 and the tube outer coating 220b contacting the outer wall of the sampling tube 100, and the resultant force F' are greater than F, and the friction forces F 'are not applied to the end of the sampling tube 100, and the resultant force F' is not applied to the end of the end portion of the sampling tube 100.
During sampling, the excrement in the collecting channel is extruded into the sampling tube 100, the sampling tube 100 is utilized for sampling, and the unnecessary excrement in the collecting channel can be processed as follows: referring to fig. 11, the sampling tube 100 is first manually pulled down to spread the stacked tube outer coating 220b to obtain the state (1) in fig. 11, so that a part of empty film is formed at the bottom of the collecting film 200, the part of empty film is bound to obtain the state (2) in fig. 11, and then the empty film at the top of the collecting film 200 is bound to obtain the state (3) in fig. 11, so that the sealing of the stool in the collecting channel is completed, then the end part of the tube outer coating 220a is torn off to obtain the state (4) in fig. 11, at this time, the film wrapping the stool can be thrown into the garbage can, and under the protection of the tube inner coating 220a, the stool extruded into the sampling tube 100 is not adhered to the inner wall of the sampling tube 100 close to the opening, so that the inner wall of the subsequent sampling tube 100 close to the opening is cleaner.
In a second embodiment, as shown in fig. 3, a plurality of perforations 100A are formed at the wall of the sampling tube 100 at the connection position corresponding to the end portion of the wrapping film 220 and the inner wall of the sampling tube 100, where the perforations 100A are formed in a ring array, in fig. 4, an in-tube tightening portion 230 is disposed in the edge of the end portion of the wrapping film 220, the common in-tube tightening portion 230 is an elastic cord, an elastic band or other elastic component, a connector 240 is disposed at the periphery of the end portion of the wrapping film 220 corresponding to the perforation 100A, and, as shown in fig. 6 and 12, the connector 240 passes through the perforations 100A to connect the in-tube wrapping layer 220A and the innermost tube wrapping layer 220b together, thereby forming two connection points, which are: the first connection point a formed by connecting the connector 240 with the tube inner cladding 220a and the second connection point b formed by connecting the connector 240 with the tube outer cladding 220b of the innermost layer, at this time, the tube inner tightening part 230 forms a tensile force F3, the connector 240 forms a tensile force F4, and under the action of the tensile force F4, the tube inner cladding 220a and the tube outer cladding 220b are close to each other, so that the tube inner cladding 220a close to the inner wall of the sampling tube 100 can be attached to the inner wall of the sampling tube 100, and meanwhile, the tube outer cladding 220b close to the outer wall of the sampling tube 100 can be attached to the outer wall of the sampling tube 100.
When the collecting film 200 is manually pulled up to spread the tube outer coating 220b to the second connection point b, namely, the state shown in fig. 13, and then the connecting body 240 is pulled by force to break, the first connection point a and the second connection point b are separated, the pulling force F4 is not existed, the tube tightening part 230 is contracted, the tube inner coating 220a is retracted under the driving of the tube tightening part 230 to seal the narrow opening side of the collecting film 200, the method is more convenient than the binding/tying method, and after the connecting body 240 is broken, the tube inner coating 220a and the tube outer coating 220b behind the second connection point b can be easily separated from the sampling tube 100, the edge of the end part of the detached tube tightening part 230 is more complete, and no broken mark is generated.
Further, the radius of the coating film 220 is slightly larger than the outer diameter of the sampling tube 100, as shown in fig. 7, at this time, the tube outer coating 220b can cover the sampling tube 100, a pressing plate 300 is arranged outside the sampling tube 100, the bottom end of the pressing plate 300 is fixedly connected with the wall body of the sampling tube 100, the other end of the pressing plate is separated from the sampling tube 100, and the end is pressed on the tube outer coating 220b under the action of self elasticity, so that the tube outer coating 220b is coated outside the sampling tube 100 under the action of the pressure of the end of the pressing plate 300 separated from the sampling tube 100, and thus the gravity action does not act on the joint of the end of the tube inner coating 220a and the inner wall of the sampling tube 100.
Preferably, with continued reference to fig. 7, the pressure plate 300 is arched to form a receiving space outside the sampling tube 100, so that the collecting film 200 can be contracted in the pressure plate 300, and protected by the pressure plate 300, and the expanding length of the collecting film 200 can be controlled under the pressure of the pressure plate 300 separated from the end of the sampling tube 100, so that the sampling tube 100 is effectively prevented from contacting with water in the toilet.
Still further, as shown in fig. 8, the side of the perforation 100A near the pipe outer cladding 220b is flared, and the space formed by the flaring is provided with the spike 110, as shown in fig. 14, by pulling down the pipe outer cladding 220b (even if the side of the second connection point b of the connection body 240 moves downward in the direction indicated by the arrow), the connection body 240 is near and contacts the spike 110, and the connection body 240 is pierced by the action of the spike 110, so that the strength is reduced, and then the connection body 240 is pulled apart by the action of the in-pipe tightening part 230, so that the connection body 240 can be broken without applying a large force to protect the in-pipe cladding 220A and the pipe outer cladding 220b (because the larger the force applied to the pipe outer cladding 220b, the larger the pulling force applied to the in-pipe cladding 220A and the pipe outer cladding 220b is, the more easily broken).
In addition, as shown in fig. 8, the spike 110 is located at the bottom side of the connector 240, and the end of the pressure plate 300 separated from the sampling tube 100 is located adjacent to the top side of the connector 240, and under the blocking of the tube outer cladding layer 220b, the end of the pressure plate 300 separated from the sampling tube 100 cannot be pressed into the space formed by the flaring of the perforation 100A, and as the tube outer cladding layer 220b is unfolded, the space formed by the flaring of the perforation 100A is exposed, and at this time, the end of the pressure plate 300 separated from the sampling tube 100 is pressed into the space formed by the flaring, so as to squeeze the connector 240 to make contact with the spike 110, which will be more convenient.
Preferably, the pipe outer cladding layer 220b is stacked only once, so that the innermost pipe outer cladding layer 220b and the secondary inner pipe outer cladding layer 220b are formed, and a glue coating is provided on one side of the secondary inner pipe outer cladding layer 220b attached to the innermost pipe outer cladding layer 220b, so that the expanded pipe outer cladding layer 220b can bond the expanded secondary inner pipe outer cladding layer 220b together through the glue coating, so as to improve the effect of sealing the narrow opening of the collecting film 200.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A conventional sampling device for collecting stool based on extrusion, comprising a sampling tube (100) for storing stool to be detected, wherein the top of the sampling tube (100) is provided with an opening, and the device is characterized by further comprising a collecting film (200) arranged on the side of the opening of the sampling tube (100), wherein before use, the collecting film (200) is contracted at a position adjacent to the sampling tube (100), and when in use, the contracted collecting film (200) is unfolded to form a collecting channel outside the opening of the sampling tube (100);
wherein, the collecting channel is fallen into the urinal to collect the excrement and enter the sampling tube (100) for storage under the action of the squeezing force;
the collecting film (200) is funnel-shaped, the top of the collecting film is provided with a wide opening, and the bottom of the collecting film is provided with a narrow opening; the collecting film (200) is contracted from the wide mouth side to a position adjacent to the sampling tube (100) by folding or rolling;
a coating film (220) is arranged on the narrow opening side of the collecting film (200), the coating film (220) is cylindrical, the end part of the coating film (220) is connected to the inner wall of the sampling tube (100), and the coating film (220) is attached to the inner wall of the sampling tube (100) to form an in-tube coating layer (220 a);
then, the outer wall of the sampling tube (100) is laid, the outer wall of the sampling tube (100) is attached to the sampling tube to be stacked, a tube outer coating layer (220 b) is formed, and the sampling tube (100) is coated by the tube outer coating layer (220 b);
the radius of the coating film (220) is larger than the outer diameter of the sampling tube (100), a pressing plate (300) is arranged outside the sampling tube (100), the bottom end of the pressing plate (300) is fixedly connected with the wall body of the sampling tube (100), the other end of the pressing plate is separated from the sampling tube (100), and the end is pressed on the outer coating layer (220 b) of the tube under the action of self elasticity;
perforation (100A) are arranged at the connecting position of the end part of the corresponding coating film (220) on the wall body of the sampling tube (100) and the inner wall of the sampling tube (100), an in-tube tightening part (230) is arranged in the edge of the end part of the coating film (220), a connector (240) is arranged at the periphery of the end part of the coating film (220) corresponding to the perforation (100A), and the connector (240) penetrates through the perforation (100A) to connect an in-tube coating layer (220A) with an innermost-tube coating layer (220 b).
2. The device for conveniently and conventionally sampling based on the extrusion type collection according to claim 1, wherein the narrow mouth of the collection film (200) is connected with the opening of the sampling tube (100).
3. The device for conveniently sampling the feces based on the extrusion type collection according to claim 1, wherein an outer tightening part (210) of the tube is arranged on the outer edge of the wide mouth.
4. The device for conveniently and conventionally sampling based on extrusion type collection according to claim 1, wherein said pressing plate (300) is externally arched to form a receiving space outside said sampling tube (100), and said collection film (200) is contracted in the receiving space.
5. The device for conveniently and conventionally sampling based on extrusion type collection according to claim 1, wherein the side of the perforation (100A) close to the outer cladding layer (220 b) of the tube is in a flaring shape, and a bur (110) is arranged in a space formed by the flaring;
the protruding thorns (110) are positioned at the bottom side of the connecting body (240), and the end parts of the pressing plates (300) separated from the sampling tubes (100) are adjacent to the top side of the connecting body (240).
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| CN202410037265.2A CN117547312B (en) | 2024-01-10 | 2024-01-10 | Convenient conventional sampling device based on extrusion type collection |
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| CN202410037265.2A CN117547312B (en) | 2024-01-10 | 2024-01-10 | Convenient conventional sampling device based on extrusion type collection |
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