CN217390712U

CN217390712U - Biological sample collector

Info

Publication number: CN217390712U
Application number: CN202220402377.XU
Authority: CN
Inventors: 彭忞; 林小靖; 王璇; 郝少东; 曹健荣
Original assignee: Denogen Beijing Bio Sci&tech Co ltd
Current assignee: Denogen Beijing Bio Sci&tech Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-09-09
Anticipated expiration: 2032-02-24

Abstract

The utility model provides a biological sample collector, which comprises a first clamping part and a second clamping part which are arranged oppositely, wherein the first clamping part is rotationally connected with one side of the second clamping part, and the opposite side is detachably connected; the inner surface of the first clamping part is provided with a sample collecting area, the first clamping part is further provided with an intruding part, the sampling part can be clamped between the first clamping part and the second clamping part, the first clamping part and the second clamping part are pressed relatively, and the intruding part can act on the sampling part to realize the collection of samples. The utility model discloses the advantage lies in: the structure is ingenious, the operation is simple, and the practicability is strong; opening the clamping structure to clamp the clamping structure on the ear or tail of the animal, aligning the invasion part with the blood sampling part, relatively pressing or rotating the clamping structure after pressing to realize the collection of animal blood, taking down the clamping structure to close and fasten to realize the preservation of animal blood samples; the latticed indentations and the salient points in the sample collecting area facilitate the judgment of the blood collecting amount.

Description

Biological sample collector

Technical Field

The utility model belongs to the technical field of biological sample collection, especially, relate to a biological sample collector.

Background

In the animal DNA detection process, sample collection for animals is the first step and also is the premise of obtaining objective detection results, in the prior art, animal blood is often used as a detection sample, and a set of sampling and inspection storage equipment is needed to collect the sample and then send the sample to a laboratory for detection.

Sample after the animal blood sampling is preserved in prior art and the collection instrument components of a whole that can function independently, and sharing collection instrument or syringe cause individual sample mixed contamination easily, are unfavorable for preserving and follow-up sample's utilization, use the collection instrument to have certain professional requirement to the staff in the operation, and efficiency is not high during the sampling, and is also comparatively inconvenient to the transportation and the preservation of animal blood sample.

Disclosure of Invention

Efficiency is not high during to sampling among the prior art, and also comparatively inconvenient problem to the transportation of animal blood and save, the utility model provides a biological sample collector, this sample collector simple structure, practicality are strong.

In order to achieve the above purpose, the utility model provides a technical scheme as follows: the clamping device comprises a first clamping part and a second clamping part which are oppositely arranged, wherein the first clamping part is rotatably connected with one side of the second clamping part, and the opposite other side is detachably connected; the inner surface of the first clamping part is provided with a sample collecting area, the first clamping part is further provided with an intruding part, the sampling part can be clamped between the first clamping part and the second clamping part, the first clamping part and the second clamping part are pressed relatively, the intruding part can act on the sampling part, and meanwhile, the sample collecting area absorbs a sample to realize collection.

Furthermore, enclose on the first clamping part and be equipped with outer joint flange, the second clamping part correspondence is provided with interior joint flange, outer joint flange and interior joint flange looks butt for form the cavity in the middle of first clamping part and the second clamping part, the fixed setting of invasion portion is on first clamping part internal surface, towards the cavity.

Furthermore, the outer clamping flange is provided with at least one embedded lug, the inner clamping flange is correspondingly provided with an embedded groove, and the first clamping part and the second clamping part are detachably connected through buckling of the embedded lug and the embedded groove.

Optionally, all be provided with interior recess on first clamping part and the second clamping part, the interior recess of first clamping part and the interior recess of second clamping part enclose into the round hole, and the sample collecting region hugs closely at the interior recess surface of first clamping part, and the round hole is used for the holding sampling position, and the invasion portion sets up at first clamping part interior recess, passes sample collecting region and towards the round hole.

Further, the second grip portion recess is provided with the same intruding portion and sample collection area as the first grip portion.

Optionally, the first clamping portion is provided with a pressing blood sampling portion, the invasion portion is arranged on the pressing blood sampling portion, the first clamping portion is further provided with a pressing hole, and the invasion portion is arranged outside the pressing hole in a hanging mode through the pressing blood sampling portion.

Further, the pressing blood collection part includes: an intrusion part for pressing the wafer and the support bar; the intrusion part is fixedly arranged in the middle of the pressing wafer and faces the cavity; one end of the supporting bar and the pressing wafer are integrally arranged, the other end of the supporting bar is connected to the outer surface of the first clamping part, and the pressing wafer is externally pressed to enable the intrusion part to act on the sampling part through the pressing hole.

Furthermore, the other end of the support bar is fixedly connected with the plug-in part, the first clamping part is correspondingly provided with the plug-in port, and the support bar is clamped on the outer surface of the first clamping part through the matching of the plug-in part and the plug-in port, so that the pressing wafer is arranged outside the pressing hole in a hanging mode.

Further, the intruding portion is a triangular plate-shaped thin edge, a spike, or a blade.

Furthermore, the sample collection area is provided with latticed indentations or regularly arranged salient points around the invasion part, so that the collection amount of blood can be conveniently judged.

The utility model has the advantages that: the biological sample collector has the advantages of ingenious structure, simple operation and strong practicability. The clamping structure is opened to clamp the animal ear or tail, the invasion part is aligned to the blood sampling part, the clamping structure is relatively pressed or rotated after being pressed, so that the animal blood can be collected, the clamping structure is taken down, and the animal blood sample can be stored after being closed and fastened; the area of the latticed indentation, the salient point or the pressing hole in the sample collecting area is convenient for judging the collecting amount of blood.

Drawings

Fig. 1 is a schematic view of the overall structure of a biological sample collector in embodiment 1;

fig. 2 is a schematic view of the overall structure of the biological sample collector in embodiment 1;

fig. 3 is a schematic view showing the overall structure of the biological sample collector in embodiment 1;

FIG. 4 is a schematic view of the bumps regularly arranged on the sample collection area;

fig. 5 is a schematic view of the overall structure of the biological sample collector in embodiment 2;

fig. 6 is a schematic view of the overall structure of the biological sample collector in embodiment 2;

FIG. 7 is a schematic view of the whole structure of the blood collecting part according to embodiment 2;

FIG. 8 is a schematic view showing the open state of the biological specimen collector in embodiment 3;

FIG. 9 is a first schematic view of the closed state of the biological sample collector in embodiment 3;

fig. 10 is a second schematic view of the closed state of the biological sample collector in embodiment 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model discloses a carry out blood sample collection and the structure of design to the animal, mainly be applicable to the great livestock of size, wild animal etc. use at the ear edge of animal to simple and convenient operation is gathered the blood DNA of animal.

The invention conception of the utility model is as follows: the utility model provides a but the clamping structure of interlock each other has been designed, is provided with the invasion portion that can puncture or lacerate animal blood sampling position in the clamping structure, and through opening clamping structure, the centre gripping includes at the blood sampling position of animal: the sampling part can be clamped between the first clamping part and the second clamping part, the invasion part is aligned to the animal blood sampling part, and the clamping structure is pressed relatively, so that the invasion part acts on the sampling part, and the animal blood is collected; the clamping structure is taken down, and the animal blood sample can be preserved by closing and fastening.

Specifically, biological sample collector is including corresponding first clamping part 1 that sets up, second clamping part 2, and first clamping part 1 rotates with one side of second clamping part 2 to be connected, and the connection can be dismantled to relative opposite side, is provided with invasion portion 11 on the first clamping part 1, and invasion portion 11 holding is between first clamping part 1 and second clamping part 2 when first clamping part 1 and second clamping part 2 are closed.

Example 1

As shown in fig. 1 and 2, the first clamping portion 1 and the second clamping portion 2 are of a square card-shaped structure with the same size, one side of the first clamping portion 1 is rotatably connected with one side of the second clamping portion 2, an integrally formed bendable connecting strip 3 is arranged at the joint, and the connecting strip 3 is made of materials such as: k-resin, polycarbonate, PETG, PCTA, PP, PBT, transparent ABS etc. bendable material for first clamping part 1 and second clamping part 2 can be opened and closed around connecting strip 3, and connecting strip 3 also can adopt articulated form.

The first clamping portion 1 is provided with an outer clamping flange 12 on three other sides, the second clamping portion 2 is provided with an inner clamping flange 22 on three other sides, the inner clamping flange 22 is matched with the outer clamping flange 12, and the outer clamping flange 12 abuts against the inner clamping flange 22, so that the first clamping portion 1 and the second clamping portion 2 form a flat cavity 4 which is used for accommodating the sample collecting area 5 and the invasion portion 11.

The outer clamping flange 12 is provided with at least one embedded lug 121, the embedded lug 121 is preferably arranged on one side opposite to the connecting strip 3, the inner clamping flange 22 is provided with an embedded groove 221 matched with the embedded lug 121, the first clamping part 1 and the second clamping part 2 are clamped through buckling of the embedded lug 121 and the embedded groove 221, and the first clamping part 1 and the second clamping part 2 can be opened by pressing the periphery of the embedded groove 221.

The middle of one surface of the first clamping part 1 facing the cavity 4 is fixedly provided with an intruding part 11, the intruding part 11 can be a triangular sheet-shaped thin blade, and can also be a sharp spike or a blade, and the material can be plastic or metal and the like; a receiving cavity 21 is arranged in the middle of one surface of the second clamping part 2 facing the cavity 4, and is used for receiving the invasion part 11 when the first clamping part 1 and the second clamping part 2 are closed.

As shown in fig. 3, the inner surfaces of the first clamping part 1 and the second clamping part are respectively padded with sample collecting regions 5, the sample collecting regions 5 are closely attached to the inner surfaces of the first clamping part 1 and the second clamping part 2, and the sample collecting regions 5 are resin matrix or fiber matrix. The resin matrix is a high polymer particle specially treated by a chemical reagent, and is used for collecting and storing samples, so that the resin matrix is beneficial to full drying, can protect nucleic acid from being damaged by enzyme, and is beneficial to long-term stable storage and transportation of the nucleic acid at room temperature.

As shown in FIG. 4, the sample collection area 5 may be provided with grid-like indentations around the intruding portion 11, or regularly arranged protrusions for facilitating the determination of the amount of blood collected. Meanwhile, in order to facilitate observation of blood sampling conditions and enable the invasion part 11 to be aligned with a blood sampling vein, the first clamping part 1 and the second clamping part 2 of the biological collector can be made of transparent materials.

The use mode of the biological sample collector is as follows: disinfecting the blood sampling part of the ear of an animal by using a self-contained disinfectant, pressing the periphery of the embedding groove 221 to open the biological sample collector, slightly clamping the ear to enable the invasion part 11 to be aligned with the target blood sampling part, and quickly pressing the invasion part to release the invasion part, but the biological sample collector cannot leave the ear; observing the ear bleeding condition of the animal, keeping the collector lightly clamping the ear, observing the blood collection amount, judging according to the condition that the blood permeates into the sample collection area 5, wherein the sample collection area 5 is only provided with 4 or more grids or salient points to be fully paved with the blood, if the blood collection amount is less than 4 grids or salient points, the blood collection amount is considered to be insufficient, the target part can be reselected for the same object, and the operation is carried out again according to the steps until the sample collection area 5 is provided with 4 or more grids or salient points to be fully paved with the blood; stopping bleeding to the animal ear after the collection is completed, and storing the biological sample collector in a storage bag containing a drying agent after being pressed and buckled.

Example 2

As shown in fig. 5 and 6, the first clamping portion 1 and the second clamping portion 2 are square card-shaped structures with the same size, a first annular flange 12 is arranged at the edge of the first clamping portion 1, a second annular flange 22 matched with the first annular flange 12 is arranged at the edge of the second clamping portion 2, and the first annular flange 12 and the second annular flange 22 are in contact with each other, so that a flat cavity 4 is formed in the middle when the first clamping portion 1 and the second clamping portion 2 are closed.

One side of the first annular flange 12 is rotatably connected with one side of the second annular flange 22, and the connection part is provided with a bendable connecting strip 3 which is integrally formed, so that the first clamping part 1 and the second clamping part 2 can be opened and closed around the connecting strip 3, and the connecting strip 3 can also adopt a hinged mode.

The first annular flange 12 is provided with an embedding concave part 121 on one side opposite to the connecting strip 3, the second annular flange 22 is provided with an embedding convex strip 221 matched with the embedding concave part 121, the first clamping part 1 and the second clamping part 2 are clamped through buckling of the embedding convex strip 221 and the embedding concave part 121, and the first clamping part 1 and the second clamping part 2 can be opened through breaking along the edge of the embedding convex strip 221.

As shown in fig. 5 and 7, the outer surface of the first clamping portion 1 is provided with a pressing blood sampling portion 11, and the pressing blood sampling portion 11 includes: the intrusion part 111, the pressing disc 112, the supporting bar 113 and the insertion part 114. The intrusion part 111 is fixedly arranged in the middle of the disk-shaped pressing disk 112 and faces the cavity 4; two support bars 113 are provided, one end of each support bar 113 is integrally arranged with the pressing wafer 112, so that the pressing wafer 112 and the support bars 113 are arranged in a triangular shape; the other end of the supporting bar 113 is fixedly connected with a plugging portion 114, the plugging portion 114 is a U-shaped hollow columnar structure, a plurality of clamping protrusions are axially arranged on the columnar surface, and the plugging portion 114 is clamped on the first clamping portion 1 through the clamping protrusions.

Two inserting ports 13 matched with the inserting part 114 are symmetrically arranged on one side, close to the connecting strip, of the first clamping part 1, and the inserting part 114 is clamped on the inserting ports 13 through clamping protrusions; the insertion part 114 can also be directly fixed to the outer surface of the first clamping part 1 or integrally formed with the outer surface.

The first clamping part 1 is provided with a circular pressing hole 14 in the middle, the size of the pressing hole 14 is slightly larger than that of the pressing disc 112, when the pressing disc 112 is pressed outside, the pressing disc 112 can be embedded in the pressing hole 14, and the invasion part 111 penetrates towards the cavity 4. The insertion part 114 and the supporting bar 113 are made of flexible materials and have certain flexibility so as to realize the pressing of the pressing disc 112 and the insertion of the insertion part 114 and the insertion port 13.

An accommodating cavity 12 is provided in the middle of one surface of the second clamping portion 2 facing the cavity 4, and is used for accommodating the invasion portion 111 when the invasion portion 111 penetrates into the cavity 4.

The inner walls of the first clamping part 1 and the second clamping part 2 are respectively provided with a sample collecting area 5 in a pad mode, the sample collecting areas 5 are tightly attached to the inner surfaces of the first clamping part 1 and the second clamping part 2, and the sample collecting areas 5 are blood collecting filter paper or FTA cards. The sample collection area 5 is provided with an opening for the intruding portion 111 to pass through.

Preferably, the inner walls of the first annular flange 12 of the first clamping portion 1 and the second annular flange 22 of the second clamping portion 2 are provided with fixing strips 122 (fixing strips 222) for fixing the sample collection area 5 and preventing the sample collection area 5 from falling out of the cavity 4.

The use mode of the biological sample collector is as follows: firstly, disinfecting the animal ear blood sampling part by using a self-prepared disinfectant, opening a biological sample collector by breaking along the edge of the embedded convex strip 221, clamping the animal ear, aligning the invasion part 111 to the target blood sampling part, quickly pressing the pressing disc 112 to release, observing the blood collection amount, fully spreading the blood on the sample collection area 5 in the area where the pressing hole 14 is located, considering that the blood collection amount is insufficient if the blood collection amount is less than the area where the pressing hole 14 is not fully spread, reselecting the target part for the same object, and operating again according to the steps until the area where the pressing hole 14 is located is fully spread with the blood; stopping bleeding to the animal ear after the collection is completed, and storing the biological sample collector in a storage bag containing a drying agent after being pressed and buckled. Example 2 was more convenient to use than example 1 and helped dry the blood sample after collection.

Example 3

As shown in fig. 8 and 9, the first clamping portion 1 and the second clamping portion 2 are of the same size and have a concave structure in the middle, preferably a concave block body, and the concave block body is provided with a concave portion. One side of the first clamping part 1 is hinged with one side of the second clamping part 2, the other side, opposite to the first clamping part 1, is provided with a clamping convex block 11, the other side, opposite to the second clamping part 2, is provided with a clamping concave part 21 matched with the clamping convex block 11, clamping of the first clamping part 1 and the second clamping part 2 is realized through buckling of the clamping convex block 11 and the clamping concave part 21, a circular hole 3 is enclosed by an inner concave part 12 of the first clamping part 1 and an inner concave part 22 of the second clamping part 2 in a clamping state, the circular hole 3 is used for accommodating a tail of an animal, and the preferential inner diameter is 2.5 cm; the first and

second clamping parts

1 and 2 can be opened by breaking along the clamping convex block 11.

An invasion part 13 is arranged on the concave part 12 of the first clamping part 1, the invasion part 13 is in a blade shape, and is annularly embedded into the concave part 11, and the boundary line of the invasion part 13 and the concave part 11 is arc-shaped towards the round hole 3. The deepest part of the invasion part 13 is 1/6 with the diameter of the round hole 3, which is used for ensuring that when the first clamping part 1 and the second clamping part 2 are closed, the invasion part 13 can cut the epidermis of the blood sampling part of the tail of the animal, but the tail of the animal is not hurt excessively.

As shown in fig. 10, the surface of the concave portion 11 of the first holding portion 1 is provided with a sample collecting region 4, the sample collecting region 4 may be a resin substrate or a fiber substrate closely attached to the concave portion 11, or may be other liquid-absorbing material capable of being used for blood sample preservation, and the intruding portion 13 passes through the sample collecting region 4.

The use mode of the biological sample collector is as follows: disinfecting a blood sampling part (the part with the diameter of 2cm is good) of an animal tail and an invasion part 13 by using a self-contained disinfectant, opening a first clamping part 1 and a second clamping part 2 by breaking along a clamping convex block 11, sleeving a collector on the animal tail, pressing to enable the first clamping part 1 and the second clamping part 2 to be buckled, enabling the invasion part 13 to cut the blood sampling part, rotating the collector by about 5mm, and observing the bleeding condition of the blood sampling part; if blood flows out, the collector is kept still, the blood can be absorbed and stored by the paper material in the sample collecting area 4, and if the blood volume is too small or no blood flows out, the collector can be forcibly rotated again or the blood collecting part can be replaced to continue operation; observing the collection condition, and finishing the collection when the sample collection area 4 is full of blood; after collection, the tail of the animal is timely sterilized and stopped bleeding, and the used collector is buckled and placed in a storage bag containing a drying agent for storage.

In this embodiment, the concave portion 22 of the second clamping portion 2 can also be symmetrically provided with an intruding portion and a sample collecting region which are the same as the concave portion 11, so as to better collect animal blood; the method of suspending the intruding portion in embodiment 2 is also applicable to this embodiment.

The above description is only for the best embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the cross-sectional combination of different structures between the embodiments. The details of the present invention not described in detail in the specification are well known to those skilled in the art.

Claims

1. A biological sample collector is characterized in that: the clamping device comprises a first clamping part and a second clamping part which are oppositely arranged, wherein the first clamping part is rotatably connected with one side of the second clamping part, and the opposite other side is detachably connected; the inner surface of the first clamping part is provided with a sample collecting area, the first clamping part is further provided with an intruding part, the sampling part can be clamped between the first clamping part and the second clamping part, the first clamping part and the second clamping part are pressed relatively, and the intruding part can act on the sampling part to realize the collection of samples.

2. The biological sample collector of claim 1, wherein: enclose on the first clamping part and be equipped with outer joint flange, the second clamping part correspondence is provided with interior joint flange, outer joint flange and interior joint flange looks butt for vacuole formation in the middle of first clamping part and the second clamping part, the fixed setting of invasion portion is on first clamping part internal surface, towards the cavity.

3. The biological sample collector of claim 2, wherein: the outer clamping flange is provided with at least one embedded lug, the inner clamping flange is correspondingly provided with an embedded groove, and the first clamping part and the second clamping part are detachably connected through the buckling of the embedded lug and the embedded groove.

4. The biological sample collector of claim 1, wherein: all be provided with interior concave part on first clamping part and the second clamping part, the interior concave part of first clamping part and the interior concave part of second clamping part enclose into the round hole, and the sample collection area is hugged closely at the interior concave part surface of first clamping part, and the round hole is used for the holding sampling position, and the portion of invading sets up at the interior concave part of first clamping part, passes sample collection area and towards the round hole.

5. The biological sample collector of claim 4, wherein: the second grip portion recess is provided with the same intruding portion and sample collection area as the first grip portion.

6. The biological sample collector of claim 1, wherein: the first clamping part is provided with a pressing blood sampling part, the invasion part is arranged on the pressing blood sampling part, the first clamping part is also provided with a pressing hole, and the invasion part is arranged outside the pressing hole in a hanging manner through the pressing blood sampling part.

7. The biological sample collector of claim 6, wherein: the blood sampling portion is pressed and includes: an intrusion part for pressing the circular sheet and the supporting strip; the intrusion part is fixedly arranged in the middle of the pressing wafer and faces the cavity; one end of the supporting bar and the pressing wafer are integrally arranged, the other end of the supporting bar is connected to the outer surface of the first clamping part, and the pressing wafer is externally pressed to enable the intrusion part to act on the sampling part through the pressing hole.

8. The biological sample collector of claim 7, wherein: the support bar other end fixedly connected with grafting portion corresponds on the first clamping part and is provided with the interface, and the support bar passes through the cooperation joint of grafting portion and interface at first clamping part surface for pressing the unsettled setting of disk outside pressing the hole.

9. The biological sample collector of any one of claims 1 to 7, wherein: the intruding part is a triangular sheet-shaped thin edge, a sharp spike or a blade.

10. The biological sample collector of claim 9, wherein: the sample collecting area is provided with latticed indentations or regularly arranged salient points around the invasion part and is used for judging the collection amount of blood.