CN212844403U - Sample collection device - Google Patents

Abstract

The utility model discloses a sample collection device, including sampling stick, collection pipe and protecgulum, the inside cavity of collection pipe and form and gather the chamber, the thief hole is equipped with the thief hole by the rear direction on the collection pipe, is equipped with the thief hole at the front end of collection pipe, sampling hole and thief hole all with gather the chamber and communicate with each other, the front end of sampling stick be the thief end, the sampling stick with in the cooperation of collection pipe and thief end insert the thief hole, the protecgulum just seals the thief hole with the front end cooperation of collection pipe. The utility model discloses can be convenient sample and take a sample, it is more convenient to use.

Description

Sample collection device

Technical Field

The utility model belongs to medical science detection area, concretely relates to sample collection system.

Background

In the field of medical testing, it is often necessary to collect a sample in order to perform the test.

If in the current excrement testing item, need gather excrement promptly, current excrement collector is mostly a bottle form container, sets up the bottle lid at the oral area of bottle form container, and fixed a sample spoon or the sampling stick that sets up on the bottle lid.

When the sampling bottle is used, the bottle cap is held and unscrewed, the bottle cap is held and is sampled through a sampling spoon or a sampling rod connected with the bottle cap, after sampling, the collected sample is placed in a bottle-shaped container, and then the bottle cap is screwed down to realize sealing.

When the detection is carried out, the bottle cap needs to be unscrewed again, the bottle cap is held by hands, and the sample is taken out.

The sampling and sampling of the existing sample collecting device are inconvenient, the sample leakage is easily caused, and the propagation of pathogens is easily caused.

Disclosure of Invention

An object of the utility model is to provide a sample collection device, the utility model discloses can be convenient sample and take a sample, it is more convenient to use.

The technical scheme is as follows:

sample collection device, including sampling stick, collection pipe and protecgulum, the inside cavity of collection pipe and form the collection chamber, the sampling hole is equipped with the sampling hole by the rear direction on the collection pipe, is equipped with the sampling hole at the front end of collection pipe, sampling hole and sampling hole all with the collection chamber communicates with each other, and the front end of sampling stick is the sampling end, the sampling stick with in the cooperation of collection pipe and sampling end insert the sampling hole, the protecgulum just seals the sampling hole with the front end cooperation of collection pipe.

In one embodiment, the middle part of the inner side of the front cover is provided with a convex column, and the convex column is inserted into the sampling hole and is in sealing fit with the sampling hole.

In one embodiment, the collection tube comprises a main tube body and a front section body, the front end of the main tube body is in threaded fit with the front section body, and the sampling hole is arranged in the middle of the front section body.

In one embodiment, a first external thread is arranged at the front end of the main pipe body, a first internal thread is arranged on the inner wall of the front section body, a first sealing wall is arranged on the outer wall of the main pipe body, the front section body is fixed at the front end of the main pipe body through the matching of the first external thread and the first internal thread, and the first rear end wall of the front section body is in sealing matching with the first sealing wall of the main pipe body.

In one embodiment, a second external thread is arranged at the front end of the front section body, a second internal thread is arranged on the inner wall of the front cover, a second sealing wall is arranged on the outer wall of the front section body, the front cover is fixed at the front end of the front section body through the matching of the second external thread and the second internal thread, and the second rear end wall of the front cover is in sealing matching with the second sealing wall of the front section body.

In one embodiment, a holding neck is arranged at the rear end of the sampling rod, the radial dimension of the holding neck is smaller than that of the front end position and the rear end position of the holding neck, and the holding neck is provided with anti-skid lines.

In one embodiment, the hardness of the middle section of the collection tube is less than the hardness of the sampling rod and the front cover, and/or the thickness of the tube wall of the collection tube corresponding to the collection cavity is less than the thickness of the tube wall of the collection tube at the two ends.

In one embodiment, the sampling end is inserted into the sampling hole and is located in the collection cavity, and the outer wall of the sampling end is matched with the sampling hole.

In one embodiment, the outer wall of the sampling end is fitted with the inner wall of the sampling hole with a gap of 0 mm to 1 mm therebetween.

In one embodiment, a plurality of sampling grooves are arranged at the front end of the sampling rod at intervals, a convex partition is formed between every two adjacent sampling grooves, and the radial outer wall of the convex partition is matched with the inner wall of the sampling hole.

In one embodiment, a sealing section is arranged at the rear end position of the sampling groove on the sampling rod, and the radial outer wall of the sealing section is in sealing fit with the inner wall of the sampling hole so as to seal the sampling cavity.

In one embodiment, the radial dimension of the sealing segment increases gradually towards the rear end.

In one embodiment, a buffer cavity is further arranged in the collection tube and is positioned behind the collection cavity, and the rear end of the collection tube is matched with the sampling rod to seal the buffer cavity.

In one embodiment, a third external thread is arranged on the sampling rod, a third internal thread is arranged on the inner wall of the rear end of the collecting pipe, a third sealing wall is arranged on the outer wall of the sampling rod, the rear end of the collecting pipe is fixedly connected with the sampling rod through the matching of the third external thread and the third internal thread, and the third rear end wall of the collecting pipe is in sealing matching with the third sealing wall of the sampling rod.

In one embodiment, the front end of the sampling rod is provided with at least two longitudinal sampling grooves and at least two transverse sampling grooves at intervals, and the two transverse sampling grooves are communicated through the longitudinal sampling grooves.

The utility model provides a technical scheme has following advantage and effect:

when sampling is needed, the front cover is opened from the other side, and the sample is taken out for detection; the sample collecting device of the utility model samples from the first side and samples from the other side when the sample is needed, thereby being more convenient to use; on the other hand, when sampling, if the sample has slight dripping, the sampling from the other side can not affect the detection of the sample, and the pollution during the operation can be reduced when sampling.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles, principles and effects of the invention.

Unless otherwise specified or defined, the same reference numerals in different figures refer to the same or similar features, and different reference numerals may be used for the same or similar features.

Fig. 1 is a block diagram of a sample collection device according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a sample collection device according to an embodiment of the present invention;

FIG. 3 is a block diagram of a sampling wand;

FIG. 4 is a cross-sectional view of a sampling wand;

FIG. 5 is a structural view of the front cover;

FIG. 6 is a cross-sectional view of the front cover;

FIG. 7 is a block diagram of a front body;

FIG. 8 is a cross-sectional view of the front body;

FIG. 9 is a block diagram of the primary tube;

FIG. 10 is a cross-sectional view of the main tube body;

description of reference numerals:

10. a sampling rod 11, a sampling end 111, a transverse sampling groove 112, a longitudinal sampling groove 113, a bulge partition 114, a sealing section 12, a holding neck 121, an anti-skid thread 13, a third external thread 14, a third sealing wall,

20. a collection tube 21, a main tube body 211, a collection cavity 212, a sampling hole 213, a first external thread 214, a first sealing wall 215, a buffer cavity 216, a third internal thread 217, a third rear end wall 218, a clamping platform,

22. a front section body 221, a sampling hole 222, a first internal thread 223, a first rear end wall 224, a second external thread 225, a second sealing wall 226, a first embossment,

30. front cover, 31, boss, 32, second internal thread, 33, second rear end wall, 34, second raised grain.

Detailed Description

In order to facilitate an understanding of the invention, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.

Unless specifically stated or otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In combination with the present technical solution's realistic scene, all technical and scientific terms used herein may also have meanings corresponding to the purpose of realizing the technical solution of the present invention.

As used herein, unless otherwise specified or defined, "first" and "second" … are used merely for name differentiation and do not denote any particular quantity or order.

As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present.

As used herein, unless otherwise specified or defined, the terms "comprises," "comprising," and "comprising" are used interchangeably to refer to the term "comprising," and are used interchangeably herein.

It is needless to say that technical contents or technical features which are contrary to the object of the present invention or clearly contradict each other should be excluded.

As shown in fig. 1 to 10, the sample collecting device is mainly used for collecting excrement for medical examination, and includes a sampling rod 10, a collecting tube 20 and a front cover 30, the collecting tube 20 is hollow to form a collecting cavity 211, a sampling hole 212 is formed in the collecting tube 20 in the rear direction of the sampling hole (in this embodiment, in the middle position of the collecting tube 20), a sampling hole 221 is formed in the front end of the collecting tube 20, the sampling hole 212 and the sampling hole 221 are both communicated with the collecting cavity 211, the front end of the sampling rod 10 is a sampling end 11, the sampling rod 10 is matched with the collecting tube 20, the sampling end 11 is inserted into the sampling hole 212, and the front cover 30 is matched with the front end of the collecting tube 20 and seals the sampling hole 221.

During sampling, the sampling rod 10 is held by hand, sampling is carried out through the front end of the sampling rod 10, after sampling is finished, the sampling rod 10 is inserted into the acquisition tube 20, the sampling end 11 extends into the sampling hole 212 of the acquisition tube 20, the acquired sample is stored in the acquisition cavity 211 of the acquisition tube 20, and when sampling is needed, the front cover 30 is opened from the other side, and the sample is taken out for detection; the sample collecting device provided by the embodiment is used for sampling from the first side and sampling from the other side when sampling is needed, so that the use is more convenient; on the other hand, when sampling, if the sample has slight dripping, the sampling from the other side can not affect the detection of the sample, and the pollution during the operation can be reduced when sampling. This collection pipe 20 wholly is the tubular structure, and the sample of gathering is put into collection chamber 211 from first side, takes a sample through the second side of gathering pipe 20 when taking a sample, and this structure can make things convenient for automation or semi-automatization to have detecting instrument to use, simultaneously, for the clamp of making things convenient for detecting instrument gets, is equipped with two relative centre gripping platforms 218 in the pipe wall outside of gathering pipe 20.

As shown in fig. 1, 2, 5, 6, 9 and 10, the collecting tube 20 includes a main tube 21 and a front section 22, a first external thread 213 is disposed at the front end of the main tube 21, a first internal thread 222 is disposed on the inner wall of the front section 22, a first sealing wall 214 is disposed on the outer wall of the main tube 21, the front section 22 is fixed at the front end of the main tube 21 by the cooperation of the first external thread 213 and the first internal thread 222, and a first rear end wall 223 of the front section 22 is in sealing engagement with the first sealing wall 214 of the main tube 21. The front end of the front section 22 is provided with a second external thread 224, the inner wall of the front cover 30 is provided with a second internal thread 32, the outer wall of the front section 22 is provided with a second sealing wall 225, the front cover 30 is fixed at the front end of the front section 22 through the matching of the second external thread 224 and the second internal thread 32, and the second rear end wall 33 of the front cover 30 is in sealing matching with the second sealing wall 225 of the front section 22. The main pipe body 21 forms the main part of the collecting pipe 20 for placing samples, the middle part of the collecting pipe needs a larger space, the sizes of the sampling hole 212 and the sampling hole 221 are relatively smaller, if the injection molding mode is adopted, the processing is inconvenient, and the collecting pipe 20 is designed into a split structure of the main pipe body 21 and the front section 22, so that the processing is convenient; on the other hand, the front cover 30 may be removed to sample the sample in the collection tube 20, or the front section body 22 may be removed to sample the sample in the main tube body 21, if necessary. In order to facilitate screwing the front section 22 and the front cover 30, the outer walls of the front section 22 and the front cover 30 are respectively provided with a first concave-convex grain 226 and a second concave-convex grain 34.

The sealing structure between the main tube 21 and the front section 22, and between the front section 22 and the front cover 30 is:

by screwing the front section 22, the first external thread 213 is engaged with the first internal thread 222, and the front section 22 is screwed with the main pipe 21, the first rear end wall 223 of the front section 22 is pressed against the first sealing wall 214 of the outer wall of the main pipe 21, and a surface contact is formed to achieve a sealing effect. By screwing the front cover 30, the second external thread 224 is engaged with the second internal thread 32, and the front cover 30 is screwed with the front section 22, the second rear end wall 33 of the front cover 30 is pressed against the second sealing wall 225 of the outer wall of the front section 22, and a surface contact is formed, so that a sealing effect is achieved.

As shown in fig. 7 and 8, the sampling hole 221 is disposed in the middle of the front body 22, and a convex pillar 31 is disposed in the middle of the inner side of the front cover 30, and the convex pillar 31 is inserted into the sampling hole 221 and is in sealing fit with the sampling hole 221. When the front cover 30 is screwed, the convex column 31 in the middle of the front cover 30 is inserted into the sampling hole 221, so that a good sealing effect can be achieved, the leakage of a sample is reduced, and the diameter of the convex column 31 can be gradually reduced by the front end to enhance the sealing effect.

As shown in fig. 2 and 4, the sampling end 11 is inserted into the sampling hole 212, the sampling end 11 is located in the sampling cavity 211, longitudinal sampling slots 112 and transverse sampling slots 111 are alternately arranged at the sampling end 11 of the sampling rod 10, and the number of the transverse sampling slots 111 is 7, and the transverse sampling slots are communicated through 2 to 3 longitudinal sampling slots 112; a convex partition 113 is formed between adjacent transverse sampling grooves 111, the radial outer wall of the convex partition 113 is in clearance fit with the inner wall of the sampling hole 212, the clearance between the two is 0 mm to 1 mm, preferably 0.1 mm to 0.5 mm, a sealing section 114 is arranged at the rear end positions of the longitudinal sampling groove 112 and the transverse sampling groove 111 on the sampling rod 10, the radial outer wall of the sealing section 114 is in sealing fit with the inner wall of the sampling hole 212 to seal the sampling cavity 211, the radial size of the sealing section 114 is gradually increased towards the rear end direction, and when the sampling rod 10 is inserted into the sampling hole 212, the clearance between the sampling rod 10 and the sampling hole 212 is gradually reduced to achieve the sealing effect.

While the collection chamber 211 is sealed. Also disposed within the collection tube 20 is a buffer chamber 215, the buffer chamber 215 being located behind the collection chamber 211, the rear end of the collection tube 20 cooperating with the sampling wand 10 to seal the buffer chamber 215. If the sampling end 11 has excessive samples, when the sampling end 11 of the sampling rod 10 is inserted into the sampling hole 212, the stool samples are accumulated in the longitudinal sampling groove 112 and the transverse sampling groove 111, and the excessive samples are blocked by the inner wall of the sampling hole 212, so that the amount of the samples can be accurately controlled through the structural design of the longitudinal sampling groove 112 and the transverse sampling groove 111. The redundant sample can be kept in the buffer cavity and sealed, so that the redundant sample is prevented from leaking to cause pollution.

A plurality of transverse sampling grooves 111 are provided at intervals at the front end of the sampling rod 10. For the collection of excrement, the transverse sampling groove 111 can facilitate the accommodation of excrement samples and avoid dropping; particularly, for the watery stool sample, the watery stool sample is easy to accumulate in the transverse sampling groove 111 and the longitudinal sampling groove 112 due to the tension action of the watery stool sample, and is not easy to fall off, and the watery stool sample can flow between the adjacent transverse sampling grooves 111 due to the conduction action of the longitudinal sampling groove 112, so that the sampling is more convenient.

As shown in fig. 2 to 6, the sealing structure of the buffer chamber 215 is: the sampling rod 10 is provided with a third external thread 13, the inner wall of the rear end of the main pipe body 21 of the collecting pipe 20 is provided with a third internal thread 216, the outer wall of the sampling rod 10 is provided with a third sealing wall 14, the rear end of the main pipe body 21 is fixedly connected with the sampling rod 10 through the matching of the third external thread 13 and the third internal thread 216, and a third rear end wall 217 of the main pipe body 21 is in sealing fit with the third sealing wall 14 of the sampling rod 10. By screwing the sampling rod 10, the third external thread 13 is matched with the third internal thread 216, and the sampling rod 10 is screwed with the main pipe body 21, the third rear end wall 217 of the main pipe body 21 is pressed with the third sealing wall 14 of the outer wall of the sampling rod 10, and a surface contact is formed, so that a sealing effect is achieved.

As shown in fig. 3 and 4, a holding neck 12 is disposed at the rear end of the sampling rod 10, the radial dimension of the holding neck 12 is smaller than the radial dimensions of the front end position and the rear end position, and the holding neck 12 is provided with anti-slip threads 121, so that the holding and screwing of the hand are facilitated and the hand is not easy to fall off after the holding neck 12 and the anti-slip threads 121 are disposed.

The hardness of the middle section of the collection tube 20 is less than the hardness of the sampling wand 10 and the front cover 30, and preferably, the hardness of the collection tube 20 at the position corresponding to the collection cavity 211 is less, which can be achieved by: firstly, the sampling rod 10, the front cover 30 and the front section 22 can be made of ABS or PP materials, and the main pipe body 21 can be made of PP or PE materials; the part of the collection tube 20 corresponding to the collection cavity 211 can be thinner, in this embodiment, the thickness of the tube wall of the part of the collection tube corresponding to the collection cavity is 0.3 mm to 1 mm, and the thickness of the tube walls of the two end parts is 0.5 mm to 2 mm; a combination of the two aforementioned approaches is also possible. When sampling, can be through pressing the outer wall of the main pipe body 21 with fingers, main pipe body 21 produces the deformation in order to make things convenient for the discharge of sample to through the volume of deformation volume control sample.

It will be appreciated that the collection chamber 211 may be filled with a diluent or a reagent before or after sampling, depending on the need for testing.

The above embodiments are intended to be illustrative, and should not be construed as limiting the scope of the invention, and the technical solutions, objects and effects of the present invention are described in full herein.

The above examples are not intended to be exhaustive list of the present invention, and there may be many other embodiments not listed. Any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.

Claims (15)

1. Sample collection device, its characterized in that, including sampling stick, collection pipe and protecgulum, the inside cavity of collection pipe and formation collection chamber are equipped with the thief hole at the front end of collection pipe, and the thief hole leans on the rear to be equipped with the sampling hole on the collection pipe, sampling hole and thief hole all with the collection chamber communicates with each other, and the front end of sampling stick is the sampling end, the sampling stick with the cooperation of collection pipe and sampling end insert in the thief hole, the protecgulum just seals the thief hole with the cooperation of the front end of collection pipe.

2. The sample collection device according to claim 1, wherein the front cover has a protrusion inserted into and sealingly engaged with the sampling hole at a central portion of an inner side thereof.

3. The apparatus for sampling according to claim 2, wherein the collection tube comprises a main tube and a front portion, the front end of the main tube is threadedly engaged with the front portion, and the sampling hole is disposed at the middle of the front portion.

4. The apparatus according to claim 3, wherein the main tube has a first external thread at a front end thereof, the front section has a first internal thread at an inner wall thereof, the main tube has a first sealing wall at an outer wall thereof, the front section is fixed to the front end of the main tube by the engagement of the first external thread and the first internal thread, and the first rear end wall of the front section is in sealing engagement with the first sealing wall of the main tube.

5. The specimen collection device according to claim 3, wherein a second external thread is provided at the front end of the front body, a second internal thread is provided at the inner wall of the front cover, a second sealing wall is provided at the outer wall of the front body, the front cover is fixed to the front end of the front body by the engagement of the second external thread and the second internal thread, and a second rear end wall of the front cover is in sealing engagement with the second sealing wall of the front body.

6. The sample collection device according to claim 1, wherein a grip neck is provided at a rear end of the sampling rod, and has a radial dimension smaller than those of the front end position and the rear end position, and the grip neck is provided with an anti-slip pattern.

7. The sample collection device according to any one of claims 1 to 6, wherein the hardness of the middle section of the collection tube is less than the hardness of the sampling wand and the front cover, and/or the thickness of the tube wall of the collection tube at the position corresponding to the collection cavity is less than the thickness of the tube wall at the positions at both ends of the collection tube.

8. The sample collection device according to any one of claims 1 to 6, wherein the sampling tip is inserted into the sampling aperture and is positioned within the collection chamber, the sampling tip having an outer wall that engages the sampling aperture.

9. The sample acquisition device of claim 8, wherein the outer wall of the sampling end engages the inner wall of the sampling aperture with a gap of 0 mm to 1 mm therebetween.

10. The sample collecting device as claimed in any one of claims 1 to 6, wherein a plurality of sampling grooves are provided at intervals at the front end of the sampling rod, a convex partition is formed between adjacent sampling grooves, and the radial outer wall of the convex partition is matched with the inner wall of the sampling hole.

11. The sample collection device according to claim 10, wherein a sealing section is provided at a rear end of the sampling groove in the sampling wand, and a radially outer wall of the sealing section is in sealing engagement with an inner wall of the sampling hole to seal the collection chamber.

12. The sample acquisition device as claimed in claim 11, wherein the sealing section has a radial dimension which increases in a direction toward the rear end.

13. The sample collection device according to any one of claims 1 to 6, further comprising a buffer chamber in the collection tube rearward of the collection chamber, the rear end of the collection tube engaging the sample wand to seal the buffer chamber.

14. The specimen collection device according to claim 13, wherein the sampling wand has a third external thread, the sampling wand has a third internal thread on the inner wall of the rear end of the sampling tube, the sampling wand has a third sealing wall on the outer wall of the sampling wand, the rear end of the sampling tube is fixedly connected to the sampling wand by the cooperation of the third external thread and the third internal thread, and the third rear end wall of the sampling tube is in sealing engagement with the third sealing wall of the sampling wand.

15. The sample collecting device as claimed in any one of claims 1 to 6, wherein a longitudinal sampling slot and a transverse sampling slot are provided at the front end of the sampling rod at intervals, and the transverse sampling slots are at least two and are communicated through the longitudinal sampling slot.

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