CN218889667U - Sample collection container and sampling assembly - Google Patents

Abstract

The application discloses sample collection container and sampling subassembly, this sample collection container includes sampling tube, fixed lid, collection straw and shell body. The fixed cover is arranged at the first opening of the sampling tube; the collecting straw is arranged on the fixed cover in a penetrating way, and the collecting straw part is positioned in the sampling tube and is used for sucking samples; the outer shell is provided with a containing cavity, the sampling tube part is arranged in the containing cavity, one end of the outer shell is provided with a second opening, the second opening is far away from the sampling tube, and the direction of the second opening is opposite to that of the first opening. The sample collection container is provided with the collection straw, the collection straw is arranged in the sampling tube, and can directly absorb samples through the collection straw, so that the sample collection efficiency of doctors is improved, and the practicability of the sample collection container is improved; and moreover, the second opening formed by the outer shell can facilitate the contact and heat exchange between the outer wall of the sampling tube and external liquid or gas, so that the sample can be centrifuged at a proper temperature, and the efficiency of sample treatment is improved.

Description

Sample collection container and sampling assembly

Technical Field

The application relates to the technical field of medical instruments, in particular to a sample collection container and a sampling assembly.

Background

In the field of medical diagnosis, a sample analyzer is used for detecting samples such as blood, and the samples are generally mounted on a sample rack and transported by rails, belts, and the like, so as to realize automatic detection operation in a flow direction.

In the prior art, when a peripheral blood sample is collected, blood can be sucked through a disposable blood taking needle and a capillary tube, and the blood of the capillary tube is pumped into a microcentrifuge cup by using an ear washing ball for blood routine or other whole blood detection. The prior art has the defects that the operation of using a capillary tube for blood beating is complicated, the artificial dependency degree is high, and the automatic detection of a sample analyzer is not easy to realize.

Disclosure of Invention

To solve the above problems, the present application provides a sample collection container and a sampling assembly.

In order to solve the above problems, the present application provides a first technical solution: a sample collection container is provided that includes a sampling tube, a stationary cover, a collection pipette, and an outer housing. The fixed cover is arranged at the first opening of the sampling tube; the collecting straw is arranged on the fixing cover in a penetrating way, and the collecting straw part is positioned in the sampling tube and is used for sucking samples; the casing body is formed with a containing cavity, the sampling tube part is arranged in the containing cavity, one end of the casing body is formed with a second opening, the second opening is far away from the sampling tube, and the direction of the second opening is opposite to that of the first opening.

Optionally, the sampling tube comprises a supporting part, the sampling tube is fixed on the outer shell through the supporting part, and a gap is formed between the tube body of the sampling tube and the outer shell.

Optionally, the sample collection container includes a sealing cover, the sealing cover is disposed on the fixing cover, and the collection straw is located in the sampling tube and partially exposed to the fixing cover.

Optionally, the fixed cover is provided with ventilation holes.

Optionally, the dimension of the sampling tube at the first opening is larger than the bottom dimension of the sampling tube.

Optionally, the inner diameter of the sampling tube is between 2mm and 5mm, and the inner diameter of the collecting suction tube is between 1.5mm and 2 mm.

Optionally, the sampling tube is provided with scale marks.

Optionally, the outer housing is provided with a sample barcode.

In order to solve the above problems, the present application provides a second technical solution: there is provided a sampling assembly comprising a sample collection container and a sample holder as claimed in any one of the preceding claims, the sample holder being provided with a fixing post, the fixing post being received in the receiving cavity through the second opening of the outer housing when the sample collection container is fitted to the sample holder, such that the sample collection container is secured to the sample holder by the fixing post.

Optionally, a holding groove is arranged in the fixed upright, the fixed upright is positioned in the holding cavity, and the sampling tube is at least partially positioned in the holding groove.

The application provides a sample collection container and sampling subassembly, this sample collection container include sampling tube, fixed lid, collection straw and shell body. The fixed cover is arranged at the first opening of the sampling tube; the collecting straw is arranged on the fixed cover in a penetrating way, and the collecting straw part is positioned in the sampling tube and is used for sucking samples; the outer shell is provided with a containing cavity, the sampling tube part is arranged in the containing cavity, one end of the outer shell is provided with a second opening, the second opening is far away from the sampling tube, and the direction of the second opening is opposite to that of the first opening. The sample collection container is provided with the collection straw, the collection straw is arranged in the sampling tube, samples can be directly sucked through the collection straw, other collection components are not needed for auxiliary collection, the sample collection efficiency of doctors is improved, and the practicability of the sample collection container is improved; and moreover, the second opening formed by the outer shell can facilitate the contact and heat exchange between the outer wall of the sampling tube and external liquid or gas, so that the sample of the sample collection container is subjected to centrifugal treatment at a proper temperature, and the efficiency of sample treatment is improved.

Drawings

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

FIG. 1 is a schematic view of an embodiment of a sample collection container provided herein;

FIG. 2 is a schematic diagram of an embodiment of a sampling assembly provided herein;

fig. 3 is a schematic structural view of another embodiment of a sampling assembly provided herein.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not limiting. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings. 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.

The terms "first," "second," and the like in this application are used for distinguishing between different objects and not for describing a particular sequential order. Furthermore, the terms "comprise" and "include," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a sample collection container provided in the present application. The present application first proposes a sample collection container that may be applied to a sampling assembly, in particular, a sampling assembly for collecting a sample, and a sampling assembly applied to a sample analyzer, which is an immunoassay analyzer, and may be a chemiluminescent analyzer or a fluorescent immunoassay analyzer, which is not particularly limited herein.

As shown in fig. 1, a sample collection container 100 of an embodiment of the present application includes a sampling tube 110, a stationary cover 120, and a collection pipette 130. The fixed cover 120 is disposed at the first opening of the sampling tube 110; the collection pipette 130 is disposed through the fixed cover 120, and the collection pipette 130 is partially disposed in the sampling tube 110 for sucking the sample.

Specifically, the sample collection container 100 includes a sampling tube 110, where the sampling tube 110 is used to hold a sample, and in an alternative embodiment, according to different detection items and storage conditions, an anticoagulant, a coagulant, and the like may be further disposed in the sampling tube 110 to meet the detection requirements of the sample in different detection items.

The sampling tube 110 is internally provided with a sampling straw 130, the sampling straw 130 is partially positioned in the sampling tube 110, and partially exposed outside the fixed cover 120, in the sample collection process, the sample collection container 100 can perform peripheral blood puncture collection on infants, children or adults through the sampling straw 130, venous blood samples can be directly sucked through the sampling straw 130, and the samples enter the sampling tube 110 through the sampling straw 130. After collection is completed, the doctor may detach the collection straw 130, and in an alternative embodiment, the fixing cover 120 is provided with a self-sealing layer, and after the collection straw 130 is detached, the self-sealing layer may recover the first opening of connection between the collection straw 130 and the fixing cover 120 according to its own elastic shrinkage, so as to prevent the sample in the sampling tube 110 from leaking.

Further, the sample collection container may be applied to an immunoassay analyzer including a centrifugation assembly for centrifuging a sample of the sampling tube 110, the capacity of the sampling tube 110 of the sample collection container 100 may be set to 60-100 μl, the capacity of the sample may be sufficient to complete centrifugation and test operation of the sample analyzer, and the centrifugation time of the sample may be shortened to 100-300s when the centrifugation operation is performed, unlike the prior art, the centrifugation time may be remarkably reduced, and the efficiency of sample analysis may be improved.

In this embodiment, sample collection container 100 includes a sampling tube 110, a stationary cover 120, and a collection pipette 130. The fixed cover 120 is disposed at the first opening of the sampling tube 110; the collection pipette 130 is disposed through the fixed cover 120, and the collection pipette 130 is partially disposed in the sampling tube 110 for sucking the sample. The sample collection container 100 of this embodiment is provided with collection straw 130, and collection straw 130 is built-in sampling tube 110, can directly absorb the sample through collection straw 130, need not to use other collection subassembly to assist in gathering, effectively improves doctor's sample collection efficiency, improves sample collection container 100's practicality.

Optionally, the sample collection container 100 includes an outer housing 140, the outer housing 140 forms a receiving cavity, the sampling tube 110 is partially disposed in the receiving cavity, one end of the outer housing 140 is formed with a second opening, the second opening is far away from the sampling tube 110, and the second opening is opposite to the first opening.

Specifically, the housing of the sample collection container 100 is formed with a receiving cavity, the sampling tube 110 is partially disposed in the receiving cavity, a portion of the sampling tube 110 away from the receiving cavity is provided with a first opening, a sample enters the sampling tube 110 through the first opening, and the fixing cover 120 is disposed at the first opening of the sampling tube 110.

The outer case 140 is formed at one end thereof remote from the sampling tube 110 with a second opening through which the receiving chamber communicates with the outside. Before the sample collection container 100 is applied to centrifugation, the sample in the sample collection container 100 needs to be subjected to a warm bath or a water bath treatment to ensure the centrifugation effect of the sample. The second opening formed at the end of the outer casing 140 away from the sampling tube 110 can enable the sample collection container 100 to be placed in the water bath container, and the liquid with proper temperature can enter the accommodating cavity through the second opening and contact with the outer wall of the sampling tube 110, so that the sample can be at proper temperature after being subjected to water bath treatment.

And, the second opening formed at the end of the outer housing 140 far from the sampling tube 110 can be matched with other external devices, so that the sample collection container 100 can be fixed by being matched with other column devices, and the position accuracy of the sample collection container 100 is improved.

Therefore, in this embodiment, the sampling tube 110 is partially disposed in the accommodating cavity of the outer casing 140, and the second opening formed by the outer casing 140 can facilitate the contact between the outer wall of the sampling tube 110 and the external liquid or gas and the heat exchange, which is beneficial to the centrifugation of the sample in the sample collection container 100 at a suitable temperature, and improves the efficiency of sample processing.

Optionally, the sampling tube 110 includes a supporting portion 150 and a tube body extending from the supporting portion 150, the sampling tube 110 is fixed to the outer housing 140 by the supporting portion 150, and a gap is formed between the tube body of the sampling tube 110 and the outer housing 140, and the tube body is used for accommodating the sample solution.

Specifically, the outer casing of the sample collection container 100 is formed with a receiving cavity, the sampling tube 110 is fixed to the outer casing 140 by the support portion 150 and is located in the receiving cavity, and the support portion 150 plays a role of fixedly connecting the tube body of the sampling tube 110 and the outer casing 140. A gap is formed between the tube body of the sampling tube 110 and the outer casing 140, and after the sample is sucked by the sample collecting container 100, the outer casing 140 can be matched with a sample frame of the sample analyzer, so that the positioning accuracy of automatic sample feeding is improved, and subsequent operations such as on-machine testing and the like are performed.

Optionally, sample collection container 100 includes a sealing cap 160, sealing cap 160 being disposed on fixed cap 120, and collection pipette 130 being located within sampling tube 110 and partially exposed to fixed cap 120.

The sealing cover 160 is used for sealing the fixed cover 120 and the collection straw 130, and after the collection of the sampling tube 110 is completed, the collection straw 130 is disassembled and the sealing cover 160 is covered to seal the sample in the sampling tube 110, so that the sample leakage is prevented, and the stability of the sample collection container 100 in the conveying process is ensured.

Optionally, the fixed cover 120 is provided with ventilation holes 121.

Specifically, the fixing cover 120 is provided with an air hole 121, and the air hole 121 is used for balancing the internal and external air pressure of the sampling tube 110, so as to ensure the smoothness of the sample suction of the collection suction tube 130. In alternative embodiments, the fixed cover 120 may be further provided with other structures with strong air permeability, for example, an air permeable film is provided on the air holes of the fixed cover 120, so as to improve the sealing effect of the sample collection container 100.

Optionally, the size of the sampling tube 110 at the first opening is larger than the size of the bottom of the sampling tube 110.

Specifically, when a doctor collects a peripheral blood sample, after puncturing the sample collection container 100 with the disposable lancet, the doctor can also use the sample collection container 100 to perform a blood scraping operation, for which, in an alternative embodiment, the size of the sampling tube 110 at the first opening is larger than the size of the bottom of the sampling tube 110, so that the doctor can use the sampling tube 110 to perform a blood scraping operation. Because the size of the sampling tube 110 at the first opening is greater than the size of the bottom of the sampling tube 110, the inner wall of the sampling tube 110 at the first opening may form a slope, so that the sample can flow to the bottom of the sampling tube 110 along the inner wall, and the doctor can conveniently perform the blood scraping operation.

Alternatively, the inner diameter of sampling tube 110 is between 2mm-5mm and the inner diameter of collection pipette 130 is between 1.5mm-2 mm.

Specifically, the inside of the sampling tube 110 is in a fine-pore shape and has an inner diameter of 2mm-5mm, the inner diameter of the sampling tube 130 is 1.5mm-2mm, the internal size of the sampling tube 110 is small, the height of the same-volume sample can be increased, and the sample can be sucked into the sampling tube 110 by the capillary action of the sampling tube 130. Where collection pipette 130 includes, but is not limited to, a capillary tube, the length of collection pipette 130 may be set according to the height of the interior of the sampling tube, preferably, the length of collection pipette 130 may be 45mm, and in other embodiments, collection pipette 130 may be set to other lengths, not specifically limited herein.

Since the sample is generally detected after being centrifuged, the sampling needle of the sample analyzer can drop to a certain height until the sample tube 110 absorbs the sample in the corresponding portion after centrifugation, and the risk that the sampling needle absorbs the sample in other portions can be reduced when the height of the sample is large. For example, when the sample is a blood sample, serum or plasma is formed after centrifugation of the blood sample, and the inside of the sampling tube 110 is in a fine-pore shape, so that the height of the serum or plasma in the sampling tube 110 can be increased, and the risk of sucking blood cells when the sampling needle sucks the sample can be reduced.

Optionally, the sampling tube 110 is provided with a graduated marking.

The sampling tube 110 is provided with scale marks, and in particular, the scale marks can be correspondingly set according to the capacity of the sampling tube 110. For example, when the capacity of the sampling tube 110 is 0-5 mL, the scale marks are divided according to 0-5 mL; when the capacity of the sampling tube 110 is 0-0.2 mL, the scale marks are correspondingly divided according to 0-0.2 mL. Here, the capacity of the sampling tube 110 is not particularly limited.

Optionally, the outer housing 140 is provided with a sample barcode.

The outer case 140 of the sample collection container 100 is provided with a barcode pasting area, and the barcode pasting area is used for pasting sample barcodes, and the sample barcodes are used for identifying the serial number barcodes of the group of samples, so that when the sample collection container 100 enters a sample analyzer for detection, automatic code scanning detection can be realized. In particular, sample barcodes include, but are not limited to, bar codes, two-dimensional codes, and the like.

Referring to fig. 2-3, fig. 2 is a schematic structural diagram of an embodiment of a sampling assembly provided in the present application, and fig. 3 is a schematic structural diagram of another embodiment of a sampling assembly provided in the present application. The present application further provides a sampling assembly, which is applied to a sample analyzer, specifically, the immunoassay analyzer may be a chemiluminescent analyzer or a fluorescent immunoassay analyzer, which is not specifically limited herein.

As shown in fig. 2-3, the sampling assembly 10 of the present embodiment includes the sample collection container 100, sample rack 200 as described in any of the embodiments above; the sample rack 200 is provided with a fixing upright post 210, and when the sample collection container 100 is matched with the sample rack 200, the fixing upright post 210 is arranged in the accommodating cavity of the sample collection container 100 through the second opening of the outer shell 140, so that the sample collection container 100 is fixed on the sample rack 200 through the fixing upright post 210.

Optionally, the inside of the sampling tube 110 is in a fine-hole shape, one or more fixing columns 210 may be disposed on the sample rack, a receiving groove is disposed in the fixing columns 210, when the sample collection container 100 is matched with the sample rack 200, the fixing columns 210 are located in the receiving cavity of the outer casing 140, and the sampling tube 110 is at least partially located in the receiving groove of the fixing columns 210, that is, the outer casing 140 of the sample collection container 100 is located between the sample rack 200 and the fixing columns 210, and the inner side wall of the outer casing 140 and the outer side wall of the fixing columns 210 are so that the sampling tube 110 is fixed on the sample rack 200.

The sampling assembly 10 further includes a sampling needle (not shown) and a movement module (not shown), and the movement module of the sampling assembly 10 is used to move the sample collection container 100 onto the sample rack 200, so as to implement automatic sample injection detection of the sample analyzer.

Specifically, after the sample collection container 100 is sampled, the moving module says that the sample collection container 100 is moved to the sample rack 200, the sample collection container 100 is fixed with the sample rack 200, the sample rack 200 comprising the sample collection container 100 is transported to a sample injection area of a sample analyzer, the sample analyzer scans a code to identify a sample bar code, then the sampling needle is placed down, the sampling assembly 10 continuously acquires the capacitance value of the needle body of the sampling needle, when the sampling needle falls to a certain height of the sampling tube 110, the capacitance value of the sampling needle can be changed specifically when the sampling needle contacts with the sample or the liquid level of the sample, the sample analyzer can absorb the sample according to the capacitance value change of the sampling needle, and the absorbed sample is detected.

In this process, when the lumen of the sampling tube 110 is small, in order to ensure the stability of the liquid level detection of the sampling needle, the gap error between the sampling tube 110 and the sample holder 200 needs to be controlled within a certain range to prevent the firing pin when the sampling needle sucks the sample. The gap between the sampling tube 110 and the sample holder 200 in this embodiment is smaller, so that the gap error between the sample holder 200 and the sampling tube 110 can be effectively reduced.

In this embodiment, the sampling assembly 10 includes a sample collection container 100 and a sample rack 200, the sample rack 200 being provided with a fixing post 210, the sample collection container 100 being fixed to the sample rack 200 by the fixing post 210. The fixing upright post 210 of the embodiment is fixed with the sampling tube 110, so that the firing pin accident can be prevented when the sampling needle sucks samples, the gap error between the sample frame and the sampling tube is reduced, and the sampling precision of the sampling needle is improved.

The present application also proposes a sample analyzer (not shown) comprising a sampling assembly 10, a detection assembly (not shown) and a centrifugation assembly (not shown), the detection assembly being provided with a sample injection zone, the sampling assembly 10 being adapted to sample the sample of the sampling tube 110 in the sample injection zone so that the detection assembly detects the sample of the sampling tube 110, the centrifugation assembly being adapted to perform a centrifugation operation on the sample of the sampling tube 110.

After the sample collection container 100 is sampled, the movement module of the sampling assembly 10 conveys the sample collection container 100 to the centrifugation assembly, the centrifugation assembly sets corresponding centrifugation time according to the capacity of the sampling tube 110, and the centrifugation assembly performs centrifugation operation on the sample, so that the centrifuged sample in the sampling tube 110 is in a separated state and is suitable for detection.

Optionally, the sample analyzer further comprises a cleaning assembly (not shown) for cleaning the sampling needle after aspiration of the sample. The cleaning component comprises a cleaning swab, a cleaning liquid storage device and a waste liquid tank; the cleaning swab comprises a liquid inlet end and a liquid outlet end, and is used for cooperatively cleaning the inner wall and the outer wall of the sampling needle; the waste liquid tank is connected with the liquid outlet end of the cleaning swab and is used for collecting cleaning waste liquid during cleaning; the cleaning liquid storage device is connected with the liquid inlet end of the cleaning swab and is used for providing cleaning liquid. The mode of inside and outside washing can improve the cleanliness of sampling needle, improves the detection precision of sample analysis appearance.

Unlike the prior art, the sample collection container 100 of the present application includes a sampling tube 110, a stationary cover 120, and a collection pipette 130. The fixed cover 120 is disposed at the first opening of the sampling tube 110; collection pipette 130 is secured to stationary cover 120 and collection pipette 130 is partially positioned within sampling tube 110 for aspirating a sample. The doctor can directly absorb the sample through the collection straw 130, does not need to use other collection components to assist in collection, effectively improves the sample collection efficiency of the doctor, and improves the practicality of the sample collection container 100. The sampling assembly 10 of the present application comprises a sample collection container 100 and a sample rack 200, the sample rack 200 is provided with a fixing post 210, and the sample collection container 100 is fixed to the sample rack 200 by the fixing post 210. The fixing upright post 210 is fixed with the sampling tube 110, so that the firing pin accident can be prevented when the sampling needle sucks samples, and the sampling precision of the sampling needle during sample analysis can be improved.

The foregoing description is only of embodiments of the present application, and is not intended to limit the scope of the patent application, and all equivalent structures or equivalent processes using the descriptions and the contents of the present application or other related technical fields are included in the scope of the patent application.

Claims (10)

1. A sample collection container, comprising:

a sampling tube;

the fixed cover is arranged at the first opening of the sampling tube;

the collecting straw is penetrated through the fixed cover, and the collecting straw part is positioned in the sampling tube and is used for sucking samples;

the outer shell is provided with a containing cavity, the sampling tube part is arranged in the containing cavity, one end of the outer shell is provided with a second opening, the second opening is far away from the sampling tube, and the direction of the second opening is opposite to that of the first opening.

2. The sample acquisition container of claim 1 wherein the sampling tube includes a support portion by which the sampling tube is secured to the outer housing, a void being formed between the tube body of the sampling tube and the outer housing.

3. The sample collection container of claim 1, wherein the sample collection container comprises a sealing cap disposed on the stationary cap, the collection pipette being positioned within the sampling tube and partially exposed to the stationary cap.

4. A sample collection container according to claim 3, wherein the fixed cover is provided with ventilation holes.

5. The sample collection container of claim 1, wherein the outer housing is provided with a sample barcode.

6. The sample acquisition container of claim 1 wherein the dimension of the sampling tube at the first opening is greater than the bottom dimension of the sampling tube.

7. The sample collection container of claim 1, wherein the inner diameter of the sampling tube is between 2mm and 5mm and the inner diameter of the collection pipette is between 1.5mm and 2 mm.

8. The sample collection container of claim 7, wherein the collection straw is provided with graduated markings.

9. A sampling assembly comprising the sample collection container of any one of claims 1-8 and a sample holder, the sample holder being provided with a securing post, the securing post being received in the receiving cavity through the second opening of the outer housing when the sample collection container is mated with the sample holder such that the sample collection container is secured to the sample holder by the securing post.

10. The sampling assembly of claim 9, wherein a receiving slot is provided in the stationary post, the stationary post being positioned in the receiving cavity, the sampling tube being at least partially positioned in the receiving slot.

Images