Sample collection device

Abstract

The utility model relates to the technical field of antibody sample collection devices, and discloses a sample collection device which is characterized in that a shell is arranged on an extension tube, an empty slot is formed in the shell, a sliding rod is arranged on the empty slot, and a spring I is sleeved on the sliding rod; a sliding block is arranged on the sliding rod in a sliding mode, a shifting block is arranged at the top of the sliding block, the bottom of the sliding block penetrates through the extension pipe and is provided with a connecting cylinder, a rubber block is arranged on the connecting cylinder, and a needle head is arranged on the rubber block; the corrugated pipe is arranged in the extension pipe, the two ends of the corrugated pipe are communicated with the extension pipe and the connecting cylinder respectively, and the needle penetrates through the connecting cylinder to be communicated with the corrugated pipe. An inserting rod is arranged on the shifting block in a penetrating mode, and a fixing hole is formed in the shell and connected with the inserting rod in an inserted mode. According to the device, the needle head is controlled to move by arranging the adjusting device, so that the needle head can be controlled to retract into the extension tube, and the risk that the hand of a user is injured due to the fact that the user manually covers a needle cap is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to antibody sample collection device technical field, specifically is a sample collection device. BACKGROUND

[0002] Antibody is a kind of protein with protective effect, mainly used to identify bacteria and germs invading human body externally, to realize neutralizing toxin or preventing pathogen invasion, to ensure human health, with the development of science and technology, artificial synthesis antibody is also widely applied, after antibody production, the efficacy of antibody needs to be detected to ensure the therapeutic effect of antibody, when detecting, sample taking effect to sample is realized by sampling device.

[0003] The existing device is usually connected with needle after using syringe, then sample is extracted from the sample storage tank of antibody, and then the extracted sample is injected into detection equipment for detection, to ensure that the sample in the storage tank meets the production requirements, but when using the existing device, to avoid antibody pollution outside, after the user injects the sample collected in the syringe into the detection equipment, the needle cap needs to cover the needle and then be discarded, and the original device needs to be manually covered with needle cap, which can easily cause the risk of user's hand being stabbed, has certain limitation, in order to solve the above problems, we provide a kind of sample collection device. SUMMARY

[0004] (I) technical problem solved

[0005] In view of the deficiencies in the prior art, the utility model provides a kind of sample collection device, with the advantage of needle retraction without contact, solve the problem that user is easily stabbed by manually covering needle cap on needle.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of sample collection device, including collection device;The collection device includes: needle cylinder head is provided with interface;Extension tube is set on the interface;Adjusting device is set on the collection device, and the adjusting device includes: shell is set on the extension tube, the shell is opened in air slot, the air slot is set on slide rod, spring one is set on the slide rod;Sliding block is slidably arranged on the slide rod, the sliding block top is provided with the knob, the sliding block bottom is set with connecting barrel, and the connecting barrel is provided with rubber block, and the rubber block is provided with needle;Bellow is set in the extension tube, and the bellow two ends are communicated with extension tube and connecting barrel respectively, and the needle is communicated with the connecting barrel and the bellow;Plug rod is set on the knob, and the shell is provided with fixed hole and the plug rod is inserted.

[0008] In some embodiments, the bellows is made of medical silicone.

[0009] In some embodiments, the bellows has the same diameter as the needle.

[0010] In some embodiments, the slider is narrow on top and wide on bottom.

[0011] In some embodiments, the top of the insertion rod is provided with a cover, and the outer wall of the cover is provided with a plurality of vertical stripes.

[0012] In some embodiments, the insertion rod is provided with a second spring.

[0013] In some embodiments, the insertion rod is provided with a limiting block.

[0014] In some embodiments, the tail of the extension tube is provided with a threaded joint, and the threaded joint is threadedly connected with the interface.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a sample collection device, has the following beneficial effects:

[0017] 1、the sample collection device, through setting up the casing on the extension tube, opening the air slot on the casing, setting up the sliding rod inside the air slot, sliding out the connecting barrel and the rubber block by the spring elastic force of the sliding block, and fixing by using the insertion rod, after the antibody sample is extracted by the needle, the antibody sample is transported to the needle cylinder through the connecting barrel and the bellows, after the sampling work is finished, the user can control the sliding block to move to the other side to make the rubber block drive the needle to retract into the extension tube, avoids the user to need manual back sleeve needle, reduces the risk of being pricked by the needle of the user.

[0018] 2、the sample collection device, through setting up the fixed hole on the casing, setting up the spring on the insertion rod, controlling the insertion rod to insert the fixed hole by the spring elastic force to complete the fixation of the sliding block, so that the position of the needle is fixed, and the user is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the structure schematic diagram of the utility model;

[0020] Fig. 2 It is the structure schematic diagram of the adjusting device in the utility model;

[0021] Fig. 3 It is the structure schematic diagram of the moving assembly in the utility model.

[0022] In the drawing:

[0023] 1, collection device;11, needle cylinder;12, interface;13, needle;14, extension tube;

[0024] 2, adjusting device; 21, shell; 211, empty slot; 22, slide rod; 221, spring one; 23, slider; 231, push block; 24, connecting barrel; 241, bellows; 25, rubber block; 26, threaded joint; 27, insertion rod; 271, cover; 272, fixing hole; 28, spring two; 281, limiting block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] It should be noted that all directional indications in the embodiments of the present application are only used to explain the relative position relationship, movement condition and the like between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0027] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be internal connection of two elements or interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] The existing device usually uses a syringe to connect a needle, then draws a sample from an antibody sample storage tank through the needle, and then injects the drawn sample into a detection device for detection to ensure that the sample in the storage tank meets the production requirements.

[0029] In the related art, in order to avoid contamination of the antibody to the outside world, after the user injects the sample collected in the syringe into the detection device, the needle cap needs to be covered on the needle and then discarded. The original device needs the user to manually cover the needle cap on the needle, which can easily cause the risk of the user being pricked by the hand, and has certain limitations.

[0030] In order to solve the problems in the related art to some extent, the sample collection device provided in the embodiments of the present application is as follows: the plug rod 27 is pulled out of the fixing hole 272, the sliding block 23 is controlled to move along the sliding rod 22 by the push block 231, the sliding block 23 is squeezed to slide along the air slot 211 on the sliding rod 22 under the elastic force of the spring one 221, the sliding block 23 is controlled to move slowly by the user, the sliding block 23 is controlled to move towards the other outlet of the extension tube 14, the connecting cylinder 24 is controlled to move synchronously by the sliding block 23, the rubber block 25 is controlled to move synchronously in the shell 21 by the connecting cylinder 24, the form of the bellows 241 changes with the movement of the connecting cylinder 24, one end of the bellows 241 is fixedly connected to the threaded joint 26 on the extension tube 14, the other end is fixedly connected to the connecting cylinder 24, and therefore the bellows 241 can be unfolded with the movement of the connecting cylinder 24, when the connecting cylinder 24 moves to abut against the extension tube 14, the bellows 241 is completely unfolded and adjusted to the maximum length, the user inserts the plug rod 27 through the push block 231 into the fixing hole 272 to complete the limiting of the push block 231, the sliding block 23, the connecting cylinder 24 and the bellows 241 are fixed in position, and finally the needle 13 is controlled to protrude from the rubber block 25, and similarly, the needle 13 is controlled to retract by controlling the push block 231, so that the user is prevented from manually covering the needle 13 with the needle cap, and the risk of being pricked by the needle 13 is avoided.

[0031] The present application is described below in combination with the drawings and with reference to specific embodiments:

[0032] In combination Figs. 1-3 , the present application provides a sample collection device, which comprises a collection device 1, wherein the collection device 1 comprises: a needle cylinder 11, the head of the needle cylinder 11 is provided with an interface 12; an extension tube 14 is arranged on the interface 12; the collection device 1 is provided with an adjusting device 2, the adjusting device 2 comprises: a shell 21 is arranged on the extension tube 14, an air slot 211 is formed in the shell 21, a sliding rod 22 is arranged on the air slot 211, and a spring one 221 is sleeved on the sliding rod 22; a sliding block 23 is slidingly arranged on the sliding rod 22, the top of the sliding block 23 is provided with a push block 231, the bottom of the sliding block 23 is provided with a connecting cylinder 24 penetrating through the extension tube 14, a rubber block 25 is arranged on the connecting cylinder 24, and a needle 13 is arranged on the rubber block 25; a bellows 241 is arranged in the extension tube 14, and the bellows 241 is in communication with the extension tube 14 and the connecting cylinder 24 at both ends, the needle 13 is in communication with the connecting cylinder 24 and the bellows 241; a plug rod 27 is arranged penetrating through the push block 231, and the shell 21 is provided with a fixing hole 272 and the plug rod 27 is inserted into the fixing hole 272.

[0033] When the user collects the antibody sample, the needle cylinder 11 is screwed through the interface 12 and the threaded joint 26 on the extension tube 14, the insertion rod 27 is pulled out of the fixed hole 272, the sliding block 23 is controlled to move along the sliding rod 22 through the knob 231, the sliding block 23 is squeezed to slide along the air slot 211 on the sliding rod 22 under the elastic force of the spring 221, the user manually controls the knob 231 to make the sliding block 23 move slowly, and the sliding block 23 drives the connecting cylinder 24 to move synchronously, the connecting cylinder 24 drives the rubber block 25 to move synchronously in the shell 21, with the movement of the connecting cylinder 24, the shape of the bellows 241 changes, one end of the bellows 241 is fixedly connected with the threaded joint 26 on the extension tube 14, and the other end is fixedly connected with the connecting cylinder 24, so that the bellows 241 can be unfolded with the movement of the connecting cylinder 24, when the connecting cylinder 24 abuts against the extension tube 14, the bellows 241 is fully unfolded and adjusted to the maximum length, the user inserts the insertion rod 27 into the fixed hole 272 through the knob 231 to limit the knob 231, and the sliding block 23, the connecting cylinder 24 and the bellows 241 are fixed in position, and finally the needle 13 is controlled to be pierced out of the rubber block 25, the rubber block 25 has good deformation, which is conducive to the retraction of the needle 13 after the needle 13 is pierced, so as to prevent the antibody sample from flowing back, after the needle 13 is fixed in position, the user pierces the needle 13 into the liquid storage tank storing the sample, and then the target antibody sample is extracted out through the negative pressure of the needle cylinder 11 and is sent into a detection instrument, whether the antibody raw material in the liquid storage tank meets the production requirement is judged according to the detection result, and the sample collection process is completed, then the user controls the rubber block 25 to move back into the extension tube 14 through the knob 231, and the rubber block 25 is fixed by using the insertion rod 27, so that the needle 13 is recovered, and the needle cap does not need to be unscrewed, so that the user is prevented from being pricked.

[0034] Specifically, the diameter of the rubber block 25 is greater than that of the extension tube 14 at the outlet, so that the rubber block 25 is prevented from falling off from the extension tube 14 when the rubber block 25 moves.

[0035] In some embodiments, the bellows 241 is made of medical silica gel. The bellows 241 has soft texture and good deformation, and the silica gel material is stable and not easy to be damaged.

[0036] In some embodiments, the diameter of the bellows 241 is consistent with that of the needle 13. The bellows 241 and the needle 13 need to be communicated through the connecting cylinder 24, and the consistency of the diameters of the bellows 241 and the needle 13 can improve the stability of the flow of the antibody sample in the needle 13 and the bellows 241.

[0037] In some embodiments, the sliding block 23 is narrow at the top and wide at the bottom. The sliding block 23 is narrow at the top and wide at the bottom, the contact area between the sliding block 23 and the connecting cylinder 24 is large, the connection between the sliding block 23 and the connecting cylinder 24 is firm, the sliding groove can be relatively narrow to reduce the dust entering the inside of the extension tube 14, and the smooth sample collection work is ensured.

[0038] In some embodiments, the top of the insertion rod 27 is provided with a cover 271, and the outer wall of the cover 271 is provided with a plurality of vertical stripes. The cover 271 is provided to provide a force point for the user to pull out the insertion rod 27, and the plurality of vertical stripes can increase the friction between the cover 271 and the user's hand, making the user hold the cover more stable.

[0039] In some embodiments, the insertion rod 27 is provided with a spring 28. Under the elastic force of the spring 28, the cover 271 and the insertion rod 27 continue to move downward, strengthening the stability of the insertion rod 27 and the fixed hole 272, and enhancing the stability of the limiting of the sliding block 23.

[0040] Specifically, when the user pulls out the insertion rod 27 and moves, the user can be pulled by the spring 28, so that the user can directly move after pulling out the insertion rod 27 from the fixed hole 272, and drive the sliding block 231 to move by pressing the insertion rod 27.

[0041] In some embodiments, the insertion rod 27 is provided with a limiting block 281. The limiting block 281 can prevent the insertion rod 27 from being pulled out of dislocation due to excessive pulling.

[0042] In some embodiments, the tail of the extension tube 14 is provided with a threaded joint 26, and the threaded joint 26 is threadedly connected with the interface 12. The threaded joint 26 and the needle cylinder 11 are threadedly connected, which strengthens the stability of the connection, and the interface of the needle cylinder 11 is provided with a sealing ring, which improves the stability of the entire device during use.

[0043] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", "some examples" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the specification.

[0044] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the present application.

[0045] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sample collection device, comprising a collection device (1), wherein the collection device (1) comprises: a syringe (11) provided with a head part and an interface (12); and an extension tube (14) provided on the interface (12); characterized in that the collection device (1) is provided with an adjusting device (2), wherein the adjusting device (2) comprises: a housing (21) provided on the extension tube (14), the housing (21) being provided with a hollow slot (211), the hollow slot (211) being provided with a slide rod (22), and the slide rod (22) being provided with a spring (221); a slide block (23) slidingly provided on the slide rod (22), the slide block (23) being provided with a knob (231) at the top, and the slide block (23) being provided with a connecting tube (24) at the bottom, the connecting tube (24) being provided with a rubber block (25), and the rubber block (25) being provided with a needle (13); and a bellows (241) provided inside the extension tube (14), the bellows (241) being in communication with the extension tube (14) and the connecting tube (24) at both ends, and the needle (13) being in communication with the bellows (241) through the connecting tube (24); a plug rod (27) penetratingly provided on the knob (231), and the housing (21) being provided with a fixing hole (272) and the plug rod (27) being inserted into the fixing hole (272). The bellows (241) is made of medical silica gel. The bellows (241) has the same diameter as the needle (13). The slide block (23) is narrow at the top and wide at the bottom. The plug rod (27) is provided with a cover (271) at the top, and the cover (271) is provided with a plurality of vertical stripes on the outer wall. The plug rod (27) is provided with a spring (28). The plug rod (27) is provided with a limiting block (281). The extension tube (14) is provided with a threaded joint (26) at the tail, and the threaded joint (26) is threadedly connected with the interface (12).

2. The sample collection device of claim 1, wherein: ​ 3. A sample collection device according to claim 2, wherein: ​ 4. The sample collection device of claim 1, wherein: ​ 5. The sample collection device of claim 1, wherein: ​ 6. A sample collection device according to claim 5, wherein: ​ 7. A sample collection device according to claim 6, wherein: ​ 8. The sample collection device of claim 1, wherein: ​

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