CN112557162A

CN112557162A - Excrement sampling device

Info

Publication number: CN112557162A
Application number: CN202011450341.0A
Authority: CN
Inventors: 刘元; 姚玲玲; 郑日记; 端木家喜; 季通云
Original assignee: Jiangsu Baoweishi Biotechnology Co ltd
Current assignee: Jiangsu Baoweishi Biotechnology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-03-26

Abstract

The invention discloses a stool sampling device, and relates to the technical field of medical sampling articles. The sampling device comprises a first accommodating cavity, a second accommodating cavity and a connecting part, wherein one end of the first accommodating cavity is communicated with one end of the second accommodating cavity through the connecting part, the other end of the second accommodating cavity is sealed, a sampling rod, a plunger and a handle are arranged in the second accommodating cavity, the sampling rod is arranged on one side of the plunger and extends into the second accommodating cavity, and the handle is arranged on the other side of the plunger. The user gathers excrement and urine sample through the sampling pole, insert the second with the sampling pole again and hold the intracavity and dilute the mixture, hold the intracavity with the diluent from the second through connecting portion and squeeze into first appearance intracavity, directly place excrement and urine sampling device on biochemical analyzer, biochemical analyzer's steel needle punctures the sealed end of first cavity, extract the diluent in the follow first cavity, thereby accomplish sample and chemical examination operation, realized detecting original pipe and operated the computer, need not the flip-chip many times, non-contact detection has been realized, guarantee is provided for environment and measurement personnel safety.

Description

Excrement sampling device

Technical Field

The invention relates to the technical field of medical sampling articles, in particular to a stool sampling device.

Background

The current fecal occult blood detection kit (latex turbidimetry) adopts a biochemical analyzer to dilute a fecal sample and then detect the fecal sample.

And there is a large amount of bacteriums in the excrement and urine, easily cause the laboratory pollution, and there is the particulate matter suspension in the liquid after the excrement and urine sample dilutes, cause biochemical analysis instrument to block up the needle, excrement and urine inspection flow is loaded down with trivial details at present, the examinee gets the clinical laboratory and draws excrement and urine sampling cup, go to the bathroom and gather excrement and urine to the excrement and urine sampling cup in, transport the clinical laboratory, the inspector gathers quantitative excrement and urine sample and filters after carrying out the mixing in the diluent, the excrement and urine diluent after will filtering again adds the sample test tube with the pipettor and carries out biochemical instrument and detect, abandon unnecessary excrement and urine diluent after the detection is accomplished, easily cause secondary laboratory pollution.

The operation experiment personnel in the prior art of the hospital need to contact with the excrement, and the excrement is exposed in the air for a long time, so that the personnel and the environment are not hygienically and easily polluted, the excrement diluent can be leaked due to repeated inversion, and the preparation time before analysis is prolonged.

Disclosure of Invention

The invention aims to provide an excrement sampling device which can collect and filter excrement, is arranged on an original sample tube, does not need to be contacted with the excrement by inspectors, can improve the excrement sampling speed and simplifies the existing flow.

In order to achieve the technical purpose, the invention provides the following technical scheme:

excrement sampling device, including first appearance chamber, second appearance chamber and interface channel, first appearance chamber one end is connected with interface channel, be equipped with filter media between first appearance chamber and the interface channel, the first appearance chamber other end is equipped with sealed lid, be equipped with stifled hole medium between second container and the interface channel, the second holds the intracavity and is provided with the sampling pole, the plunger, handle and diluent, promote the handle and promote the sampling pole, plunger and diluent remove in the second appearance chamber, the handle promotes the stifled hole medium that the sampling pole poked out, the diluent that the plunger promoted from the second appearance chamber get into interface channel and flow into first appearance chamber through filter media.

Specifically, the second cavity further contains air, the volume of the first cavity is A, the volume of the pushing part of the second cavity is B, the volume of the air is C, the volume of the connecting channel is D, and it is required that A is larger than B and B is larger than C + D.

In particular, the filter media is configured to filter particulate matter in a diluent.

Specifically, the pore-blocking medium is configured to seal and isolate the first cavity from the connecting channel.

In particular, the sealing cap is detachably connected.

In particular, the handle, the sampling rod and the plunger are detachably connected.

Specifically, the hole plugging medium is a plastic sheet or a silica gel plug, and the hole plugging medium is detachably connected.

Specifically, the diameter of the sampling rod is smaller than the inner diameter of the connecting channel.

Specifically, the end of the sampling rod, which is in contact with the hole plugging medium, is pointed and provided with a thread-shaped groove, and the groove is configured to store the fecal sample.

Particularly, the distance of the part of the sampling rod entering the connecting channel after the hole blocking medium is pierced is E, the distance between the hole blocking medium and the filter medium is F, and E is required to be smaller than or equal to F.

The invention has the beneficial effects that: the user gathers excrement and urine sample through the sampling pole, insert the second with the sampling pole again and hold the intracavity and dilute the mixture, hold the intracavity with the diluent from the second through connecting portion and squeeze into first appearance intracavity, directly place excrement and urine sampling device on biochemical analyzer, biochemical analyzer's steel needle punctures the sealed end of first cavity, extract the diluent in the first cavity of follow, thereby accomplish sample and chemical examination operation, realized detecting original pipe and operated the computer, need not the flip-chip many times, contactless excrement and urine sample detection has been realized, guarantee is provided for environment and measurement personnel safety. Through the setting of stifled hole medium for the second holds the liquid in the chamber and can not just get into first appearance chamber at the beginning, pokes through the sampling pole and breaks stifled hole medium, makes liquid can get into first appearance chamber, has guaranteed the stability before the product uses. Through the setting of filter medium, can not mix more impurity in having guaranteed the diluent, avoided the filtration flow of conventional detection, just filtered when squeezing into liquid to first cavity. Through the setting of volume proportion, guaranteed in the first cavity can not squeeze into liquid because of the too big condition of pressure, guaranteed the product and can both squeeze into first cavity with liquid under any angle and condition, guaranteed the stability of sampling.

Drawings

The invention has the following drawings:

FIG. 1 is a schematic view of a fecal sampling device according to the present invention;

FIG. 2 is a schematic view of another embodiment of a fecal sampling device according to the present invention;

fig. 3 is a schematic structural view of another state of fig. 1.

Description of the drawings: 1 a first containing cavity, 2 a second containing cavity, 3 a connecting channel, 4 a sampling rod, 5 a plunger, 6 a handle, 7 a hole plugging medium, 8 a filter medium, 9 a diluent, 10 air and 11 a sealing cover

Detailed Description

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

In order to provide excrement collection and filtration, an original sample tube is arranged on a machine, and inspectors do not need to contact with the excrement, and can improve the excrement sampling speed and simplify the existing flow, the technical scheme of the invention provides an excrement sampling device. The technical scheme is as follows:

as shown in fig. 1 to 3, the stool sampling device includes a first chamber, a second chamber and a connecting channel, one end of the first chamber is connected with the connecting channel, a filter medium is arranged between the first chamber and the connecting channel, the other end of the first chamber is provided with a sealing cover, a hole blocking medium is arranged between the second container and the connecting channel, a sampling rod, a plunger, a handle and a diluent are arranged in the second chamber, the handle is pushed to push the sampling rod, the plunger and the diluent move in the second chamber, the handle pushes the hole blocking medium which is punctured by the sampling rod, and the diluent pushed by the plunger enters the connecting channel from the second chamber and flows into the first chamber through the filter medium.

In actual use, the filter media is configured to filter particulate matter in the diluent to prevent clogging of the steel needle.

It will be apparent that the pore-blocking medium is arranged to seal off the first volume from the connecting channel, and that the diluent is sealed off in the second volume when the device is not in use.

Of course, the sealing cover is detachably attached for convenience of installation.

For the scheme product installation, handle, sampling rod and plunger are detachable to be connected, of course also can adopt integrated into one piece. The hole blocking medium can be formed by injection molding with the excrement collecting device in an integrated mode.

For scheme installation, the hole blocking medium is a plastic sheet or a silica gel plug or an aluminum foil membrane, and the hole blocking medium can be detachably connected and can also be integrally formed with the first accommodating cavity.

In order to allow the liquid to flow, the diameter of the sampling rod is smaller than the inner diameter of the connecting channel.

In order to facilitate poking and breaking of the hole plugging medium, one end, in contact with the hole plugging medium, of the sampling rod is pointed and is provided with a thread-shaped groove, the groove is configured to store a fecal sample, meanwhile, the distance from the sampling rod to the part, entering the connecting channel, after the hole plugging medium is poked and broken is E, of the sampling rod is F, and the requirement that E is smaller than or equal to F is met.

The user passes through the sampling pole and gathers excrement and urine sample, inserts the second with the sampling pole again and holds the intracavity and dilute and mix, holds the intracavity with the diluent from the second through connecting portion and squeeze into first appearance intracavity, directly places excrement and urine sampling device on biochemical analyzer, and biochemical analyzer's steel needle punctures the sealed lid of first cavity, follows extract the diluent in the first cavity to accomplish sample and chemical examination operation, practiced thrift the flow step greatly, realized detecting original pipe and operated the computer, need not many times flip-chip, realized contactless detection, provide the assurance for environment and measurement personnel safety. Through the setting of stifled hole medium for the second holds the liquid in the chamber and can not just get into first appearance chamber at the beginning, pokes through the sampling pole and breaks stifled hole medium, makes liquid can get into first appearance chamber, has guaranteed the stability before the product uses. Through the setting of filter medium, can not mix more impurity in having guaranteed the diluent, avoided the filtration flow of conventional detection, just filtered when squeezing into liquid to first cavity. Through the setting of volume proportion, guaranteed in the first cavity can not squeeze into liquid because of the too big condition of pressure, guaranteed the product and can both squeeze into first cavity with liquid under any angle and condition, guaranteed the stability of sampling.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. The excrement sampling device is characterized by comprising a first accommodating cavity (1), a second accommodating cavity (2) and a connecting channel (3), wherein one end of the first accommodating cavity (1) is connected with the connecting channel (3), a filter medium (8) is arranged between the first accommodating cavity (1) and the connecting channel (3), a sealing cover (11) is arranged at the other end of the first accommodating cavity (1), a hole blocking medium (7) is arranged between the second container (2) and the connecting channel (3), a sampling rod (4), a plunger (5), a handle (6) and diluent (9) are arranged in the second accommodating cavity (2), the sampling rod (4), the plunger (5) and the diluent (9) are pushed by the pushing handle (6) to move in the second accommodating cavity (2), and the sampling rod (4) is pushed by the pushing handle to puncture the hole blocking medium (7), the plunger (5) pushes the diluent (9) from the second chamber (2) into the connecting channel (3) and through the filter medium (8) into the first chamber (1).

2. The fecal sampling device according to claim 1 characterized in that the second chamber further contains air (10), the volume of the first chamber (1) is a, the volume of the pushing part of the second chamber (2) is B, the volume of the air (10) is C, the volume of the connecting channel (3) is D, it is required that a is larger than B and B is larger than C + D.

3. Faecal sampling device according to claim 1, characterised in that said filter medium (8) is arranged to filter particulate matter in said diluent (9).

4. Faecal sampling device according to claim 1, characterised in that said pore-blocking medium (7) is arranged to sealingly isolate said first receptacle (1) from said connection channel (3).

5. The stool sampling device according to claim 1, wherein the sealing cap (11) is detachably connected, and a sample sucking needle of a biochemical analyzer can penetrate through the sealing cap (11) and suck the liquid in the first cavity (1).

6. Faecal sampling device according to claim 1, characterised in that said handle (6), said sampling rod (4) and said plunger (5) are removably connected.

7. Faecal sampling device according to claim 1, characterised in that said pore-blocking medium (7) is a plastic foil or a silicone plug or an aluminium foil membrane.

8. Faecal sampling device according to claim 1, characterised in that the sampling rod (4) has a smaller diameter than the inner diameter of the connection channel (3).

9. Faecal sampling device according to claim 1, characterised in that the end of the sampling rod (4) in contact with the pore-blocking medium (7) is pointed and provided with a thread-like groove configured to store a faecal sample.

10. The stool sampling device according to claim 1, wherein the sampling rod (4) penetrates the pore blocking medium (7) a distance E into the connecting channel (3), and the pore blocking medium (7) is spaced from the filter medium (8) by a distance F, wherein E is less than or equal to F.