CN217341450U

CN217341450U - Special test tube for cerebrospinal fluid detection

Info

Publication number: CN217341450U
Application number: CN202220536424.XU
Authority: CN
Inventors: 田丽荣; 李燕平
Original assignee: Lanzhou University
Current assignee: Lanzhou University
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-09-02
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses a special test tube for cerebrospinal fluid detection, which belongs to the technical field of medical products, and the technical scheme is characterized in that the test tube comprises a test tube body and a piston device, the upper end of the test tube body is movably connected with a sealing cover, the inside of the test tube body is slidably connected with a piston block, the outer side wall of the test tube body is carved with scales, the outer side wall of the test tube body is provided with a label fence, the piston device comprises a push rod, the upper side and the lower side of the push rod are respectively and fixedly connected with a pushing plug and a sucker seat, a spring piece is in a closed state, the risk of pollution caused by a sample is prevented, the safe use performance of the test tube body is enhanced, the pushing plug pushes the piston block to move upwards, the sample is convenient to move upwards, the cerebrospinal fluid is convenient to collect and transfer, the safe use performance of the test tube body is enhanced, the scales are convenient to read the volume of the sample, and the information of a patient is convenient to display, simultaneously, also can rotate test tube body, conveniently operate the computer and detect, simple structure, convenient detection, prevent to pollute.

Description

Special test tube for cerebrospinal fluid detection

Technical Field

The utility model relates to the technical field of medical products, in particular to special test tube is detected to cerebrospinal fluid.

Background

Cerebrospinal fluid examination is one of the most commonly used means for clinical body fluid examination, can be used for chemical and immunological detection, microbial examination, routine examination and cast-off cytology examination after being collected by a clinician, has great significance for diagnosis and differential diagnosis of central nervous system infectious diseases, diagnosis and differential diagnosis of cerebrovascular diseases, diagnosis of brain tumors and the like, and a special test tube is required during cerebrospinal fluid examination.

The special test tube of current cerebrospinal fluid detection is shown in fig. 1, and test tube simple structure, cerebrospinal fluid collection difficulty, and the volume is few, especially the collection of children's cerebrospinal fluid, and traditional test tube operation process lid need be opened, easily pollutes, and the sample volume need be shifted to bullet head and detect when little, increases the pollution risk.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special test tube is detected to cerebrospinal fluid to above problem, solve above-mentioned problem.

The utility model is realized in such a way that the special test tube for detecting cerebrospinal fluid comprises a detection tube body, wherein the detection tube body comprises a test tube body and a piston device;

the upper end of the test tube body is movably connected with a sealing cover, a piston block is connected inside the test tube body in a sliding mode, scales are carved on the outer side wall of the test tube body, and a label column is arranged on the outer side wall of the test tube body;

the piston device comprises a push rod, and the upper side and the lower side of the push rod are respectively and fixedly connected with a push plug and a sucker seat.

In order to prevent that the sample from causing the risk of pollution, conduct the utility model discloses a cerebrospinal fluid detects special test tube is preferred, sealed lid adopts the rubber buffer, the thief hole has been seted up to the upper end of sealed lid, the lower extreme fixedly connected with sealed tube of thief hole, the below of sealed tube is provided with the shell fragment, the lateral wall fixedly connected with of sealed tube and shell fragment swing joint's coupling assembling.

In order to prevent that the pollutant from getting into the inside of thief hole, as the utility model discloses a cerebrospinal fluid detects special test tube preferred, the upper end fixedly connected with spliced pole of sealed lid, the lateral wall swing joint of spliced pole have with the thief hole assorted rotate the lid, the upper end fixedly connected with handle bar of rotating the lid.

In order to facilitate promoting the stopper to promote the piston block and remove, conduct the utility model discloses a cerebrospinal fluid detects special test tube preferred, the lower extreme of test tube body is uncovered form, the external diameter of piston block is the same with the external diameter of propelling movement stopper.

In order to strengthen the sealing performance of test tube body lower extreme, prevent that the cerebrospinal fluid from appearing revealing the phenomenon, conduct the utility model discloses a cerebrospinal fluid detects special test tube preferred, it constitutes to push away stopper and piston piece and be the rubber material.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the test tube is used for detecting cerebrospinal fluid, the rotating cover is movably arranged above the sampling hole through the connecting column, the sampling hole is opened by rotating the rotating cover through the handle rod, the sample adding needle or the disposable dropper and the like are inserted into the sampling hole, the sample adding needle or the disposable dropper continuously moves downwards to push the elastic sheet to be separated from the sealing tube, so that a sample can be conveniently collected, after collection is finished, the sample adding needle or the disposable dropper moves upwards, the elastic sheet loses pressure, and the elastic sheet resets under the action of the spring;

2. according to the special test tube for detecting the cerebrospinal fluid, when the sample in the test tube body is not collected, the elastic sheet is in a closed state, so that the sample can be prevented from being polluted, and the safety use performance of the test tube body is enhanced;

3. according to the special test tube for detecting the cerebrospinal fluid, the sucker seat is convenient for fixing the piston device above the detection table, when the amount of a sample in the test tube body is small, the lower end of the test tube body is sleeved outside the pushing plug, so that the test tube body moves downwards, the pushing plug pushes the piston block to move upwards, the sample is convenient to move upwards, the cerebrospinal fluid is convenient to collect and transfer, and the safety use performance of the test tube body is enhanced;

4. this kind of special test tube is detected to cerebrospinal fluid, the sample volume is conveniently read to the scale, and the label bar conveniently shows patient information, simultaneously, also can rotate the test tube body, conveniently operates the computer and detects, simple structure, convenient detection, pollution prevention.

Drawings

FIG. 1 is a view showing a structure of a conventional cuvette body;

FIG. 2 is a structural diagram of the detecting tube of the present invention;

fig. 3 is a sectional structure view of the sealing cover of the present invention.

In the figure, 1, a detection tube body; 2. a test tube body; 201. a sealing cover; 2011. a sampling hole; 2012. a sealing tube; 2013. connecting columns; 2014. rotating the cover; 2015. a handle bar; 2016. a spring plate; 2017. a connecting assembly; 202. a piston block; 203. labeling; 204. calibration; 3. a piston device; 301. a push rod; 302. pushing the plug; 303. a sucker seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, a special test tube for cerebrospinal fluid detection comprises a detection tube body 1, wherein the detection tube body 1 comprises a test tube body 2 and a piston device 3;

the upper end of the test tube body 2 is movably connected with a sealing cover 201, the interior of the test tube body 2 is connected with a piston block 202 in a sliding manner, the outer side wall of the test tube body 2 is provided with a label column 203, and the outer side wall of the test tube body 2 is carved with scales 204;

the piston device 3 comprises a push rod 301, and the upper side and the lower side of the push rod 301 are respectively and fixedly connected with a push plug 302 and a sucker seat 303.

In this embodiment: the lower end of the test tube body 2 is open, a sample is collected into the test tube body 2, the piston block 202 has a sealing effect to prevent leakage of cerebrospinal fluid, the sealing cover 201 has a sealing effect, when the sample in the test tube body 2 is not collected, the elastic sheet 2016 is in a closed state, when a sample adding needle or a disposable dropper is inserted into the sampling hole 2011, the elastic sheet 2016 is opened to prevent the risk of pollution caused by the sample, the upper side and the lower side of the push rod 301 are respectively and fixedly connected with the push plug 302 and the sucker seat 303, the sucker seat 303 is convenient for fixing the piston device 3 above the detection table, when the sample amount in the test tube body 2 is small, the lower end of the test tube body 2 is sleeved outside the push plug 302 to enable the test tube body 2 to move downwards to push the piston block 202 to move upwards, the sample is convenient to move upwards, cerebrospinal fluid is convenient to collect and transfer, and the piston device 3 can be repeatedly used, reduce cost, need not open sealed lid 201 throughout in the 2 testing processes of test tube body, reinforcing test tube body 2's safety in service performance, label bar 203 conveniently shows patient information, and scale 204 conveniently reads the sample volume, and simultaneously, also can rotate test tube body 2, the convenient detection of operating the computer.

As the utility model discloses a technical optimization scheme, sealed lid 201 adopts the rubber buffer, and sampling hole 2011 has been seted up to the upper end of sealed lid 201, and the lower extreme fixedly connected with gland 2012 of sampling hole 2011, the below of gland 2012 is provided with shell fragment 2016, the lateral wall fixedly connected with of gland 2012 and shell fragment 2016 swing joint's coupling assembling 2017.

In this embodiment: sealed lid 201 adopts the rubber buffer, strengthens the sealing performance of sealed lid 201, gland 2012 fixed mounting is in the below of thief hole 2011, and shell fragment 2016 passes through coupling assembling 2017 movable mounting in the below of gland 2012, and when the inside sample of test tube body 2 was not gathered, shell fragment 2016 is in the closed condition, and when sample application needle or disposable burette etc. inserted thief hole 2011, shell fragment 2016 were opened, and then prevented that the sample from causing the risk of pollution.

As a technical optimization scheme of the utility model, the upper end fixedly connected with spliced pole 2013 of sealed lid 201, the lateral wall swing joint of spliced pole 2013 have with thief hole 2011 assorted rotate lid 2014, rotate the upper end fixedly connected with handle pole 2015 that covers 2014.

In this embodiment: rotate lid 2014 and pass through spliced pole 2013 movable mounting in the top of thief hole 2011, through handle pole 2015, rotatory lid 2014 that rotates, open thief hole 2011, inside sample adding needle or disposable burette etc. inserted thief hole 2011, sample adding needle or disposable burette continue downstream, promote shell fragment 2016 and the separation of sealed tube 2012, be convenient for gather the sample, after the collection is accomplished, sample adding needle or disposable burette rebound, shell fragment 2016 with lose pressure, shell fragment 2016 resets under the effect of spring.

As a technical optimization scheme of the utility model, the lower extreme of test tube body 2 is uncovered form, the external diameter of piston piece 202 is the same with the external diameter that promotes stopper 302.

In this embodiment: the lower extreme of test tube body 2 is uncovered form, and when the sample volume was less, the convenient lower extreme that pushes away stopper 302 and get into test tube body 2 is convenient for push away stopper 302 and is promoted piston block 202 and remove, and the convenience is convenient with sample rebound, is convenient for shift cerebrospinal fluid.

As a technical optimization scheme of the present invention, the pushing plug 302 and the piston block 202 are made of rubber.

In this embodiment: the pushing plug 302 and the piston block 202 are made of rubber, the rubber piston block 202 enhances the sealing performance of the lower end of the test tube body 2, leakage of cerebrospinal fluid is prevented, and the pushing plug 302 is convenient for stably pushing the piston block 202 to move.

The utility model discloses a theory of operation and use flow: when the sample is collected or detected, the cover 2014 is rotated and rotated by the handle 2015, the sampling hole 2011 is opened, the sample adding needle or the disposable dropper and the like are inserted into the sampling hole 2011, the sample adding needle or the disposable dropper continues to move downwards to push the elastic sheet 2016 to be separated from the sealing tube 2012, so that the sample is convenient to collect, after the collection is completed, the sample adding needle or the disposable dropper moves upwards, the elastic sheet 2016 loses pressure, the elastic sheet 2016 is reset under the action of the spring, when the sample in the test tube body 2 is not collected, the elastic sheet 2016 is in a closed state to prevent the sample from being polluted, the safety use performance of the test tube body 2 is enhanced, the sucker seat 303 is convenient for fixing the piston device 3 above the detection table, when the sample amount in the test tube body 2 is small, the lower end of the test tube body 2 is sleeved outside the push plug 302, so that the test tube body 2 moves downwards, the piston block 202 is pushed to move upwards, so that the sample is convenient to move upwards, be convenient for gather and shift cerebrospinal fluid, strengthen test tube body 2's safety performance, label 203 conveniently shows patient information, and scale 204 conveniently reads the sample volume, and simultaneously, also can rotate test tube body 2, conveniently operate the computer and detect.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a special test tube is detected to cerebrospinal fluid, is including detecting body (1), its characterized in that: the detection tube body (1) comprises a test tube body (2) and a piston device (3);

the upper end of the test tube body (2) is movably connected with a sealing cover (201), a piston block (202) is connected to the interior of the test tube body (2) in a sliding mode, a label column (203) is arranged on the outer side wall of the test tube body (2), and scales (204) are carved on the outer side wall of the test tube body (2);

the piston device (3) comprises a push rod (301), wherein the upper side and the lower side of the push rod (301) are fixedly connected with a push plug (302) and a sucker seat (303) respectively.

2. The test tube special for cerebrospinal fluid detection according to claim 1, characterized in that: the utility model discloses a sampling device, including sealed lid (201), sampling hole (2011) have been seted up to sealed lid (201), lower extreme fixedly connected with sealed tube (2012) of sampling hole (2011), the below of sealed tube (2012) is provided with shell fragment (2016), the lateral wall fixedly connected with of sealed tube (2012) and shell fragment (2016) swing joint's coupling assembling (2017).

3. The test tube special for cerebrospinal fluid detection according to claim 2, characterized in that: the upper end fixedly connected with spliced pole (2013) of sealed lid (201), the lateral wall swing joint of spliced pole (2013) has and rotates lid (2014) with thief hole (2011) assorted, rotate the upper end fixedly connected with handle pole (2015) of lid (2014).

4. The test tube special for cerebrospinal fluid detection according to claim 1, characterized in that: the lower end of the test tube body (2) is open, and the outer diameter of the piston block (202) is the same as that of the push plug (302).

5. The test tube special for cerebrospinal fluid detection according to claim 1, characterized in that: the pushing plug (302) and the piston block (202) are both made of rubber materials.