CN219309555U

CN219309555U - Wash swab and sampling system, detector

Info

Publication number: CN219309555U
Application number: CN202223602960.4U
Authority: CN
Inventors: 丁建文; 周丰良; 廖政
Original assignee: AVE Science and Technology Co Ltd
Current assignee: AVE Science and Technology Co Ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-07-07
Anticipated expiration: 2032-12-26

Abstract

The application discloses wash swab for the washing of interior needle when interior needle outer needle cover is established, include: a main body; the main body is internally provided with a cleaning cavity, the main body is also provided with a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are respectively communicated with the cleaning cavity through a runner; the main body is also provided with a vertically through sampling needle channel; the sampling needle channel passes through the cleaning cavity and is divided into an upper channel positioned above the cleaning cavity and a lower channel positioned below the upper channel, and the diameter of the lower channel is larger than that of the upper channel; the upper channel is used for the inner needle to pass through, and the lower channel is used for the inner needle and the outer needle to pass through. The application provides a wash swab and sampling system, detector can solve the washing problem of interior needle in the sampling needle that current inside and outside needle cover was established, simple structure, cleaning performance are good.

Description

Wash swab and sampling system, detector

Technical Field

The application relates to the technical field of detection equipment, in particular to a cleaning swab, a sampling system and a detector.

Background

Microscopic examination of blood smears is a fundamental method of blood cytology, and has great value in particular for diagnosis of various blood diseases, and is widely used in clinical examination.

Blood smear preparation requires the collection of a blood sample that is then added to a slide for a smear operation. The existing blood sample to be detected is stored in the blood collection tube in a sealing mode, the blood collection tube is sucked by the blood collection needle, and in order to avoid cross contamination, the blood collection tube needs to be cleaned after the blood collection needle sucks one sample.

With the technical progress, a structure of sleeving an inner needle and an outer needle appears, a rubber plug on a blood collection tube is pierced through the outer needle, and then a sample is sucked through the inner needle. However, how to clean the structure sleeved with the inner needle and the outer needle is not disclosed.

Disclosure of Invention

To solve the above-mentioned problems, a first object of the present utility model is to provide a cleaning swab; a second object of the present utility model is to provide a sampling system; a third object of the present utility model is to provide a detector; the application provides a wash swab and sampling system can solve the cleaning problem of interior needle in the sampling needle that current interior needle cover was established, simple structure, cleaning performance are good.

The technical scheme provided by the utility model is as follows:

a cleaning swab for cleaning an inner needle when the outer needle of the inner needle is sleeved, comprising:

a main body;

the main body is internally provided with a cleaning cavity, the main body is also provided with a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are respectively communicated with the cleaning cavity through a runner;

the main body is also provided with a vertically through sampling needle channel; the sampling needle channel passes through the cleaning cavity and is divided into an upper channel positioned above the cleaning cavity and a lower channel positioned below the upper channel, and the diameter of the lower channel is larger than that of the upper channel;

the upper channel is used for the inner needle to pass through, and the lower channel is used for the inner needle and the outer needle to pass through.

Preferably, the main body comprises a seat body and a cover plate, the cleaning cavity is enclosed by the seat body and the cover plate, and the upper channel is arranged on the cover plate.

Preferably, a gasket and a sealing ring are also arranged, the gasket is positioned on one side of the cover plate close to the cleaning cavity, and the gasket is provided with a through hole for the inner needle to pass through; the sealing ring is arranged between the cover plate and the gasket.

Preferably, the cover plate is provided with a groove, and the sealing ring is positioned in the groove.

Preferably, fasteners are also provided, which fix the cover plate, the gasket and the seat body.

Preferably, the opening of the side of the cover plate far away from the cleaning cavity is provided with a guide inclined plane.

Preferably, the liquid inlet and the liquid outlet are arranged at different positions in the circumferential direction of the main body.

Preferably, the body is further provided with a connection plate.

The sampling system comprises a sampling module, wherein the sampling module comprises an inner needle and an outer needle which are sleeved with each other, a driving mechanism for driving the inner needle to move relative to the outer needle, and an inner needle cleaning swab, wherein the inner needle cleaning swab is the cleaning swab described in any one of the above.

A detector comprising the above adoption system.

Aiming at the problems existing in the prior art, the application provides a cleaning swab, which can realize cleaning of an inner needle in sampling needles sleeved on an inner needle and an outer needle, specifically, a cleaning cavity is arranged on a main body, and a vertically through sampling needle channel is arranged, the inner needle can simultaneously pass through an upper channel and a lower channel and vertically ascend and descend in the sampling needle channel, so that the inner needle can ascend and descend in the cleaning cavity, cleaning liquid flowing into the cleaning cavity from a liquid inlet is used for cleaning, and the cleaned liquid is discharged from a liquid outlet; meanwhile, as the outer needle can extend into the lower channel with larger diameter, the position relationship of the inner needle in the outer needle can be still kept unaffected in the process of cleaning by vertically lifting the inner needle.

The application provides a wash swab, sampling system and detector can solve the washing problem of interior needle in the sampling needle that current inside and outside needle cover was established, simple structure, cleaning performance are good.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a cleaning swab in accordance with one embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a cleaning swab (with an inner needle and an outer needle) in an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a cleaning swab (with an outer needle) in an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of another direction of a cleaning swab (with an outer needle) in an embodiment of the present utility model;

FIG. 5 is an enlarged view of a portion of FIG. 4;

reference numerals: 1-a main body; 11-a base; 12-cover plate; 13-a gasket; 14-sealing rings; 15-a fastener; 2-cleaning the cavity; 3-a liquid inlet; 4-a liquid outlet; 5-sampling needle channel; 51-upper channel; 52-lower channel; 6, connecting a plate; a-an outer needle; b-inner needle.

Detailed Description

In order to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

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 or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

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 application, the meaning of "a plurality" or "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.

As shown in the figure, the embodiment of the utility model provides a cleaning swab for cleaning an inner needle when the inner needle is sleeved with an outer needle, which comprises the following components:

a main body 1;

the main body 1 is internally provided with a cleaning cavity 2, the main body 1 is also provided with a liquid inlet 3 and a liquid outlet 4, and the liquid inlet 3 and the liquid outlet 4 are respectively communicated with the cleaning cavity 2 through flow channels;

the main body 1 is also provided with a vertically through sampling needle channel 5; the sampling needle channel 5 passes through the cleaning cavity 2 and is divided into an upper channel 51 positioned above the cleaning cavity 2 and a lower channel 52 positioned below the upper channel 51, and the diameter of the lower channel 52 is larger than that of the upper channel 51;

the upper channel 51 is used for passing the inner needle, and the lower channel 52 is used for passing the inner needle and the outer needle.

Aiming at the problems existing in the prior art, the application provides a cleaning swab which can clean an inner needle of sampling needles sleeved on an inner needle and an outer needle, specifically, a main body 1 is provided with a cleaning cavity 2 and is provided with a vertically through sampling needle channel 5, the inner needle can simultaneously pass through an upper channel 51 and a lower channel 52 and vertically lift in the upper channel and the lower channel, so that the inner needle can lift in the cleaning cavity 2 and can clean cleaning liquid flowing into the cleaning cavity 2 from a liquid inlet 3, and the cleaned liquid is discharged from a liquid outlet 4; meanwhile, as the outer needle can extend into the lower channel 52 with larger diameter, the position relationship of the inner needle in the outer needle can be still kept unaffected in the process of cleaning by vertically lifting the inner needle.

The cleaning swab can solve the problem of cleaning an inner needle in a sampling needle sleeved with an inner needle and an outer needle, and is simple in structure and good in cleaning effect.

Still further, the cleaning swab that this application provided can also integrate the outer needle, and the direct outer needle of fixing in lower channel 52, then main part 1 both can play the effect of wasing the inner needle, can drive the outer needle again and remove work such as puncture plug or sampling, simplify the device structure, can realize the effect that the cover of inner and outer needle was established, can wash the inner needle again.

Preferably, the main body 1 includes a base 11 and a cover 12, the cleaning chamber 2 is enclosed by the base 11 and the cover 12, and the upper channel 51 is provided on the cover 12.

Preferably, the main body 1 comprises a base 11 and a cover 12, and the cleaning cavity 2 is surrounded by the base 11 and the cover 12, so that the cleaning cavity 2 is convenient to process and mold. The upper channel 51 is located on the cover plate 12, and when the cover plate 12 and the seat 11 are assembled together, the central axes of the upper channel 51 and the lower channel 52 are kept coincident, i.e. the sampling needle channel 5 vertically penetrates through the main body 1.

Preferably, a gasket 13 and a sealing ring 14 are also arranged, the gasket 13 is positioned on one side of the cover plate 12 close to the cleaning cavity 2, and the gasket 13 is provided with a through hole for an inner needle to pass through; the seal ring 14 is arranged between the cover plate 12 and the gasket 13.

Preferably, the cover plate 12 is provided with a groove, and the seal ring 14 is positioned in the groove.

More preferably, a gasket 13 and a sealing ring 14 are further arranged, so that tightness is improved, and leakage of liquid from the joint of the cover plate 12 and the seat body 11 during cleaning is avoided. The gasket 13 is located on one side of the cover plate 12 close to the cleaning chamber 2, and is also provided with a through hole for the inner needle to pass through, and the sealing ring 14 is arranged between the cover plate 12 and the gasket 13. The inner needle passes through the upper channel 51 formed between the cover plate 12, the sealing ring 14 and the gasket 13 in sequence and enters the cleaning cavity 2.

More preferably, the cover plate 12 is provided with a recess in which the sealing ring 14 is located. The groove is used for limiting the circumference of the sealing ring 14, so that the inner needle can smoothly pass through the sealing ring 14.

Preferably, a fastener 15 is further provided, and the fastener 15 fixes the cover plate 12, the gasket 13 and the seat 11.

Preferably, a fastener 15 is further provided, and the fastener 15 fixes the cover plate 12, the gasket 13 and the base 11. Preferably, the fastener 15 is a screw that passes through the cover 12, the spacer 13 and is threaded into the housing 11. The hole of the cover plate 12 through which the screw passes may be a counter bore, so that the upper surface is flush with the cover plate 12 after the screw is tightened.

The number of fasteners 15 may be 1-6, preferably 3-4.

Preferably, the opening of the cover plate 12 on the side facing away from the washing chamber 2 is provided with a guiding bevel.

The opening of the cover plate 12 on the side facing away from the washing chamber 2 is preferably provided with a guide bevel, i.e. the upper channel 51 formed by the cover plate 12 has a diameter which gradually increases from the middle of the cover plate 12 to the edge (the edge on the side facing away from the washing chamber 2) so as to form the guide bevel. The guiding inclined plane can guide the inner needle.

Preferably, the liquid inlet 3 and the liquid outlet 4 are arranged at different positions in the circumferential direction of the main body 1.

The liquid inlet 3, the liquid outlet 4 can be established in main part 1 optional position, in order to avoid producing the interference with the vertical lift of inner needle, outer needle, preferably liquid inlet 3, liquid outlet 4 are located main part 1 circumference, then connect liquid inlet 3 or liquid outlet 4 and wash the passageway of chamber 2 and also be located main part 1 circumference, be convenient for be connected with the washing liquid source and take out the device of washing liquid.

Preferably, the body 1 is further provided with a connection plate 6.

The main body 1 is provided with a connecting plate 6 which is convenient to be connected with other structures. The connection plate 6 is preferably provided on the outer periphery of the main body 1 perpendicularly to the central axis of the main body 1, so that the connection plate 6 does not interfere with the inner needle, the outer needle, or the like.

A sampling system, comprising a sampling module, wherein the sampling module comprises an inner needle and an outer needle which are sleeved with each other, and an inner needle cleaning swab, and the inner needle cleaning swab is the cleaning swab described in any one of the above.

The application also provides a sampling system, including sampling module, and including the interior needle and the outer needle that mutually cover was established in the sampling module to and interior needle washs the swab, interior needle washs the swab and is the washing swab of any one of the above-mentioned claims. And the detection module, the sample transportation module and the like in the sampling system can adopt the existing structure in the market. The swab may be cleaned with an external needle, as desired, by cleaning the swab as is conventional in the art.

A detector comprising the above sampling system.

The application also provides a detector adopting the sampling system.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cleaning swab for cleaning an inner needle when the outer needle of the inner needle is sleeved, comprising:

a main body (1);

the cleaning device is characterized in that a cleaning cavity (2) is arranged in the main body (1), the main body (1) is also provided with a liquid inlet (3) and a liquid outlet (4), and the liquid inlet (3) and the liquid outlet (4) are respectively communicated with the cleaning cavity (2) through flow channels;

the main body (1) is also provided with a vertically through sampling needle channel (5); the sampling needle channel (5) passes through the cleaning cavity (2) and is divided into an upper channel (51) positioned above the cleaning cavity (2) and a lower channel (52) positioned below the upper channel, and the diameter of the lower channel (52) is larger than that of the upper channel (51);

the upper channel (51) is used for the inner needle to pass through, and the lower channel (52) is used for the inner needle and the outer needle to pass through.

2. The cleaning swab according to claim 1, wherein the main body (1) comprises a housing (11) and a cover plate (12), the cleaning chamber (2) is enclosed by the housing (11) and the cover plate (12), and the upper channel (51) is provided in the cover plate (12).

3. The cleaning swab according to claim 2, further comprising a gasket (13), a sealing ring (14), wherein the gasket (13) is located on one side of the cover plate (12) close to the cleaning chamber (2), and wherein the gasket (13) has a through hole for the inner needle to pass through; the sealing ring (14) is arranged between the cover plate (12) and the gasket (13).

4. A cleaning swab according to claim 3, wherein the cover plate (12) is provided with a recess, and wherein the sealing ring (14) is located in the recess.

5. A cleaning swab according to claim 3, further comprising a fastener (15), wherein the fastener (15) secures the cover plate (12), the gasket (13) and the housing (11).

6. A cleaning swab according to claim 2, wherein the opening in the side of the cover plate (12) remote from the cleaning chamber (2) is provided with a guiding bevel.

7. The cleaning swab according to claim 1, wherein the liquid inlet (3) and the liquid outlet (4) are arranged at circumferentially different positions of the main body (1).

8. The cleaning swab according to claim 1, wherein the body (1) is further provided with a connecting plate (6).

9. A sampling system comprising a sampling module, wherein the sampling module comprises an inner needle and an outer needle which are sleeved with each other, a driving mechanism for driving the inner needle to move relative to the outer needle, and an inner needle cleaning swab, and the inner needle cleaning swab is the cleaning swab according to any one of claims 1 to 8.

10. A detector comprising the sampling system of claim 9.