CN215874733U

CN215874733U - Sampler

Info

Publication number: CN215874733U
Application number: CN202121054867.7U
Authority: CN
Inventors: 韦江成; 张伟超; 李安兴
Original assignee: Guangxi Yangxiang Agriculture And Animal Husbandry Co ltd
Current assignee: Guangxi Yangxiang Agriculture And Animal Husbandry Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-02-22
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a sampler which comprises a sampling needle and a sampling shaft. The sample needle has the cavity hole, and the barb groove with the cavity hole intercommunication is seted up to the sample needle, and the barb groove sets up with the syringe needle interval of sample needle, and the sample axle can slide and set up in the cavity hole, and the tip of sample axle can be kept away from one side of syringe needle from the barb groove and slide to syringe needle department or wear out in the syringe needle. In the sampler of this application embodiment, the sampling needle can pierce through skin and tunica adventitia and stretch into lymph tissue department, and when the sampling needle extracted, the barb groove scraped the sample of getting on the lymph tissue and brought out the sample that awaits measuring to the cavity downthehole, and the sample axle is released the sample that awaits measuring in the cavity downthehole and then accomplishes the sample, and whole sampling process has reduced the harm risk to lymph tissue, and easy operation is convenient, uses manpower sparingly the cost, has improved sampling efficiency.

Description

Sampler

Technical Field

The utility model relates to the technical field of sampling instruments, in particular to a sampler.

Background

In the process of breeding pigs, the inguinal lymph of dead pigs and abnormal pigs needs to be sampled and detected, so that the disease diagnosis can be timely carried out on-site swinery, and the health condition of the swinery can be monitored. Among the prior art, lymph sampling usually needs the manual work to cut open the tunica adventitia on skin and lymph gland surface earlier, takes carefully again, causes the harm to the lymph tissue easily among the sampling process, and then produces interference to subsequent chemical examination, and simultaneously, sampling efficiency is lower, has increased cost of labor and time cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sampler.

The sampler of the embodiment of the utility model comprises a sampling needle and a sampling shaft. The sample needle has the cavity hole, the sample needle seted up with the barb groove of cavity hole intercommunication, the barb groove with the syringe needle interval of sample needle sets up. The sampling shaft can be arranged in the hollow hole in a sliding mode, and the end portion of the sampling shaft can slide to the needle head or penetrate out of the needle head from one side, far away from the needle head, of the barb groove.

In the sampler of this application embodiment, the sampling needle can pierce through skin and tunica adventitia and stretch into lymph tissue department, and when the sampling needle extracted, the barb groove scraped the sample of getting on the lymph tissue and brought out the sample that awaits measuring to the cavity downthehole, and the sample axle is released the sample that awaits measuring in the cavity downthehole and then accomplishes the sample, and whole sampling process has reduced the harm risk to lymph tissue, and easy operation is convenient, uses manpower sparingly the cost, has improved sampling efficiency.

In certain embodiments, the sampling shaft abuts an inner wall of the sampling needle.

In certain embodiments, the sampling needle comprises a barb forming a barb channel, the barb being oriented opposite to the orientation of the needle.

In some embodiments, the sampler comprises a cylinder, a through hole is formed in one end of the cylinder, the sampling needle is detachably connected to the through hole, and the sampling shaft penetrates into the through hole.

In some embodiments, an accommodating cavity is formed in the needle cylinder, the sampler further comprises a push rod arranged in the accommodating cavity, the push rod is slidably connected with the inner wall of the accommodating cavity, a first end of the push rod is connected with the sampling shaft, and a second end opposite to the first end extends out of the accommodating cavity.

In some embodiments, the push rod includes a push plate and a push shaft connected to the push plate, the sampling shaft is connected to a side of the push plate opposite to the push shaft, and the push plate is tightly attached to the inner wall of the accommodating cavity.

In some embodiments, the push rod is further provided with a push plate at the second end.

In some embodiments, the sampler further comprises an elastic member, the elastic member is connected with the push rod and the needle cylinder and is used for driving the push rod so that the push rod drives the end part of the sampling shaft to retract from the needle or the outside of the needle to the hollow hole.

In some embodiments, the elastic member is sleeved on the sampling shaft.

In some embodiments, the sampler further comprises a protective shell detachably sleeved on the outer side of the sampling needle.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic cross-sectional view of a sampler according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a sampler according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of another sampler according to an embodiment of the present invention.

Description of the main element symbols:

sampler 100, sampling needle 10, needle 11, hollow hole 12, barb groove 13, barb 131, sampling shaft 20, syringe 30, through opening 31, accommodation cavity 32, push rod 40, first end 41, second end 42, push plate 43, push shaft 44, press plate 45, elastic piece 50 and protective shell 60.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to 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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only 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 considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the utility model. 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 will recognize that other processes may be used and/or other materials may be used.

Referring to fig. 1 and 2, a sampler 100 according to an embodiment of the present invention includes a sampling needle 10 and a sampling shaft 20. The sampling needle 10 has a hollow hole 12, the sampling needle 10 is provided with a barb groove 13 communicated with the hollow hole 12, and the barb groove 13 is arranged at an interval with the needle head 11 of the sampling needle 10. The sampling shaft 20 is slidably disposed in the hollow hole 12, and the end of the sampling shaft 20 can slide from the side of the barb groove 13 away from the needle 11 to the needle 11 or penetrate the needle 11.

When the lymphatic tissue of the pig is detected and tested, multiple groups of samples are often needed to be compared, the obtained test result can have higher accuracy, and then the specific reason that the pig dies or is sick is obtained through analysis. In the sampling process in the past, need skin and organ tunica mucosa etc. of comparatively professional processing means to pig, not only harm the sample that awaits measuring easily at the in-process of cutting, cause the risk that the sample that awaits measuring became invalid, simultaneously, the acquireing of multiunit sample is best taken a sample in different regions, and the sample of acquireing more has the commonality, and can only cause great damage to the pig to the sample of live body pig, even die.

In the sampler 100 of this application embodiment, the sampling needle 10 can pierce through skin and tunica adventitia and stretch into lymph tissue department, when the sampling needle 10 extracted, barb groove 13 scraped the sample of getting on the lymph tissue and brought out the sample that awaits measuring to the cavity hole 12 in, the sample axle 20 is released the sample that awaits measuring in the cavity hole 12 and then is accomplished the sample, whole sampling process has reduced the harm risk to the lymph tissue, easy operation is convenient, the human cost is saved, the sampling efficiency is improved.

Sampler 100 in the embodiment of the present application may be a medical sampling apparatus, which is mainly used for obtaining a sample from a lymphoid tissue of a pig. Of course, in other embodiments, sampler 100 may be used on a variety of other living organisms, or other tissue sites. For example, sampler 100 may sample stomach tissue from a pig, head tissue from a cow, lung tissue from a human, and the like. Further, sampler 100 may also be applied in fields other than medical treatment. For example, sampler 100 may sample soil from the ground, etc. The application is not limited to the specific application field and specific application objects of sampler 100.

The sampling needle 10 is generally made of a metal material and has a relatively strong rigidity. Furthermore, the sampling needle 10 is not easily broken during the sampling process of the sampler 100, and therefore, the safety is improved.

As shown in fig. 1, the sampling needle 10 may have a shape of a straight column with a hollow inside. The tip 11 of the sampling needle 10 may be a single bevel tapered needle, or may be a sharp edge with two bevel angles. The needle 11 is pointed, so that the stress area is reduced, and then the skin and the capsule can be pierced by applying a small force to the needle 11, and the operation is easy and convenient. The shape of the sampling needle 10 and the configuration of the needle tip 11 are not particularly limited in the present application.

As shown in fig. 1, a barb groove 13 may be provided on the rear side of the needle 11. The barb groove 13 is spaced apart from the needle 11 by a distance such that the sample scraped by the barb groove 13 can be stored in the hollow hole 12 without leakage from the needle 11 after scraping. The depth of the barb groove 13 may be the length of the radius of the sampling needle 10. The depth of the barb groove 13 is not too deep, and when the depth of the barb groove 13 is large, the needle head 11 is easy to break off in the process of scraping a sample, and the sample cannot be obtained; the depth of the barb groove 13 is not too shallow, and when the depth of the barb groove 13 is small, the amount of the sample scraped each time is small, and the result of the assay analysis may be influenced. The section of the barb groove 13 may be irregular such as rectangular, rhombic, or polygonal. The depth and the sectional shape of the barb groove 13 are not particularly limited in the present application.

The sampling shaft 20 may be a solid cylinder. The sampling shaft 20 may be made of a metallic material that is easily cleaned and does not rust easily. The sampling shaft 20 may be a disposable device, or may be reused after being cleaned and sterilized, and the specific selection is determined according to the actual situation such as the type of the sample.

Referring to fig. 1 and 2, in some embodiments, the sampling shaft 20 is attached to the inner wall of the sampling needle 10.

In this way, the barb groove 13 of the sampling needle 10 scrapes the sample into the hollow hole 12, and the sampling shaft 20 is tightly attached to the inside of the sampling needle 10, thereby pushing out the sample in the hollow hole 12 to the outside of the hollow hole 12.

Specifically, the inner wall of the sampling needle 10 may be the inner wall of the hollow hole 12. The hollow 12 may be shaped to match the shape of the thief shaft 20 such that the thief shaft 20 is slidable within the hollow 12. The outer diameter of the sampling shaft 20 and the inner diameter of the hollow hole 12 may be substantially the same, and when the end of the sampling shaft 20 slides from the side of the barb 13 away from the needle 11 to the needle 11 or penetrates the needle 11, the sampling shaft 20 can push out most of the sample in the hollow hole 12 to the outside of the hollow hole 12. It should be noted that the outer diameter of the sampling shaft 20 is always slightly smaller than the inner diameter of the hollow hole 12, so that the sampling shaft 20 can slide in the hollow hole 12.

Referring to fig. 1 and 2, in some embodiments, sampling needle 10 includes barbs 131 defining barb grooves 13, barbs 131 being oriented opposite to needle 11.

In this way, the needle tip 11 of the sampling needle 10 penetrates the skin and the capsule, and the barb 131 on the barb groove 13 can scrape the sample into the hollow hole 12 at the time of withdrawal.

Specifically, the barb 131 is disposed on the side of the barb groove 13 near the needle 11. The end of the barb 131 is pointed with a certain inclination angle, so that the barb 131 can scrape a sample more conveniently.

Referring to fig. 2, in some embodiments, the sampler 100 includes a cylinder 30, a through opening 31 is formed at one end of the cylinder 30, the sampling needle 10 is detachably connected to the through opening 31, and the sampling shaft 20 is inserted into the through opening 31.

The body of sampling needle 10 is thinner, and the direct operation sampling needle 10 of hand is not convenient for take a sample among the sample process, and the body of cylinder 30 is great, and sampling needle 10 connects and conveniently pierces and extract operation such as etc. to sampling needle 10 on cylinder 30. The provision of the through opening 31 facilitates the engagement between the sampling shaft 20 and the sampling needle 10. The needle 10 is detachably connected to the through opening 31 so that the cylinder 30 can be reused to facilitate replacement of the needle 10.

Specifically, the syringe 30 may be a cylindrical body, for example, the syringe 30 may have a cylindrical shape. The needle cylinder 30 may be made of plastic, glass, metal, etc., and the shape and material of the needle cylinder 30 are not limited in this application, so that the operation of the sampling needle 10 can be facilitated. Preferably, the barrel 30 may be made of plastic. The through hole 31 may be opened at the center of the end of the cylinder 30. In this manner, sliding movement of the sampling shaft 20 within the sampling needle 10 is facilitated.

Referring to fig. 2, in some embodiments, the barrel 30 has a receiving cavity 32 therein, the sampler 100 further includes a push rod 40 disposed in the receiving cavity 32, the push rod 40 is slidably connected to an inner wall of the receiving cavity 32, a first end 41 of the push rod 40 is connected to the sampling shaft 20, and a second end 42 opposite to the first end 41 extends out of the receiving cavity 32.

Thus, the body of the sampling shaft 20 is thin, and the push rod 40 is provided to facilitate the sliding operation of the sampling shaft 20 in the sampling needle 10.

Specifically, the accommodating cavity 32 is opened inside the syringe 30, the accommodating cavity 32 is communicated with the port 31, and one end of the sampling shaft 20 far away from the sampling needle 10 is arranged in the accommodating cavity 32 through the port 31. The push rod 40 may also be a cylinder. The first end 41 of the push rod 40 is disposed within the receiving cavity 32. The thief shaft 20 may be removably coupled to the first end 41 of the push rod 40 to facilitate sterilization, cleaning, or replacement of the thief shaft 20. The second end 42 of the sampling shaft 20 extends out of the receiving cavity 32 to facilitate pushing the push rod 40 to slide in the receiving cavity 32, thereby driving the sampling shaft 20 to slide in the sampling needle 10.

Referring to fig. 2, in some embodiments, the push rod 40 includes a push plate 43 and a push shaft 44 connected to the push plate 43, the sampling shaft 20 is connected to a side of the push plate 43 opposite to the push shaft 44, and the push plate 43 is tightly attached to the inner wall of the accommodating cavity 32.

In this way, the push plate 43 is tightly attached to the inner wall of the accommodating cavity 32, so that the push rod 40 does not shake in the accommodating cavity 32 to affect the pushing of the sampling shaft 20.

Specifically, a push plate 43 may be disposed at the first end 41 of the push rod 40. The sampling shaft 20 can be attached to the push plate 43 at a position corresponding to the through opening 31, and the push plate 43 pushes the sampling shaft 20 without tilting the sampling shaft 20. The push plate 43 has an outer diameter substantially the same as the inner diameter of the receiving chamber 32, so that the push rod 40 can slide in the receiving chamber 32 without wobbling. The pushing shaft 44 may be a cylinder, a cross-shaped cylinder, or other shapes, and the pushing shaft 44 extends out of the accommodating cavity 32 toward a side opposite to the through opening 31.

Referring to FIG. 2, in some embodiments, the push rod 40 is further provided with a push plate 45 at the second end 42.

Thus, when the section of the push shaft 44 is small, the push shaft 44 may generate a large pressure on the finger, and the pressing plate 45 facilitates the pressing and lifting of the push rod 40.

Specifically, the pressing plate 45 may be configured to be a circular plate shape, and when the pressing plate 45 is pressed by a finger, the finger has a large force-bearing area, and the finger is not painful. Meanwhile, when the sampling shaft 20 needs to be restored after pushing out the sample, the pressing plate 45 can provide a lifting position, so that the push rod 40 is pulled upwards to drive the sampling shaft 20 to be restored.

Referring to fig. 2, in some embodiments, sampler 100 further includes an elastic member 50, wherein the elastic member 50 connects the push rod 40 and the barrel 30, and is used to drive the push rod 40 to make the push rod 40 retract the end of the sampling shaft 20 from the needle 11 or from the outside of the needle 11 into the hollow hole 12.

Thus, after the push rod 40 pushes the sampling shaft 20 to push the sample out of the sampling needle 10, the elastic member 50 can provide an elastic force to restore the push rod 40 to the original position.

The elastic member 50 may include a spring. The elastic member 50 may be disposed in the receiving chamber 32.

Referring to fig. 2, in one embodiment, one end of the elastic member 50 can be connected to the end of the syringe 30 having the through opening 31, and the other end is connected to the push plate 43 of the push rod 40. At this time, the elastic element 50 can be sleeved on the sampling shaft 20, and will not affect the sliding of the sampling shaft 20. When the finger pushes the push rod 40 to drive the end of the sampling shaft 20 to slide to the needle 11, the elastic member 50 is in a compressed state, and after the finger is released, the elastic member 50 has elastic force to drive the push rod 40 to drive the end of the sampling shaft 20 to retract into the hollow hole 12 from the needle 11 or outside the needle 11.

In another embodiment, the elastic member 50 may have one end connected to an end of the cylinder 30 opposite to the through opening 31 and the other end connected to the push plate 43 of the push rod 40. At this time, the elastic element 50 can be sleeved on the pushing shaft 44 without affecting the sliding of the pushing rod 40. When the finger pushes the push rod 40 to drive the end of the sampling shaft 20 to slide to the needle 11, the elastic member 50 is in a stretching state, and after the finger is released, the elastic member 50 has a pulling force capable of driving the push rod 40 to drive the end of the sampling shaft 20 to retract into the hollow hole 12 from the needle 11 or outside the needle 11.

Of course, in other embodiments, the resilient member 50 may be connected between the end of the syringe 30 opposite the through opening 31 and the pressing plate 45 of the plunger 40. The present application is not limited to a specific installation position of the elastic member 50,

referring to fig. 3, in some embodiments, sampler 100 further includes a protective casing 60, and the protective casing 60 is detachably disposed on the outer side of the sampling needle 10.

In this way, the protective case 60 can protect the sampling needle 10 and prevent the sampling needle 10 from being broken, and further, the protective case 60 can prevent the sampling needle 10 from being contaminated.

Specifically, the protective case 60 may be made of metal, plastic, or the like. The shape of the protective case 60 is the same as that of the needle cartridge 30. The interior of the protective shell 60 is a hollow structure, and the sampling needle 10 can be placed inside the protective shell 60. The protector 60 covers at least the barb groove 13 of the sampling needle 10, and can prevent the needle tip 11 of the sampling needle 10 from being broken and prevent the barb groove 13 from being contaminated. The protective case 60 may be attached to an end of the syringe 30 on a side to which the sampling needle 10 is attached. The protective case 60 may be connected to the cylinder 30 by means of a snap, and may also be connected to the cylinder 30 by means of a screw. The present application is not limited to the connection manner of the protective case 60.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A sampler, comprising:

the sampling needle is provided with a hollow hole, the sampling needle is provided with a barb groove communicated with the hollow hole, and the barb groove and a needle head of the sampling needle are arranged at intervals; and

the sampling shaft can be arranged in the hollow hole in a sliding mode, and the end portion of the sampling shaft can slide to the needle head or penetrate out of the needle head from one side, far away from the needle head, of the barb groove.

2. The sampler of claim 1, wherein the sampling shaft abuts an inner wall of the sampling needle.

3. The sampler of claim 1, wherein the sampling needle includes a barb forming a barb channel, the barb being oriented opposite the needle.

4. The sampler of claim 1, wherein the sampler comprises a cylinder, a through hole is formed at one end of the cylinder, the sampling needle is detachably connected to the through hole, and the sampling shaft penetrates into the through hole.

5. The sampler of claim 4, wherein the syringe is provided with a receiving chamber therein, the sampler further comprises a push rod disposed in the receiving chamber, the push rod is slidably connected to an inner wall of the receiving chamber, a first end of the push rod is connected to the sampling shaft, and a second end opposite to the first end extends out of the receiving chamber.

6. The sampler of claim 5, wherein the push rod comprises a push plate and a push shaft connected to the push plate, the sampling shaft is connected to a side of the push plate opposite to the push shaft, and the push plate is tightly attached to the inner wall of the accommodating cavity.

7. A sampler according to claim 6, wherein the push rod is further provided with a push plate at the second end.

8. The sampler of claim 5, further comprising a resilient member connecting the push rod and the barrel for actuating the push rod to cause the push rod to retract the end of the sampling shaft from the needle or from outside the needle into the hollow bore.

9. The sampler of claim 8, wherein the resilient member is sleeved on the sampling shaft.

10. The sampler of claim 1, further comprising a protective shell detachably fitted over the outside of the sampling needle.