CN110057652B - Biological sample collection device - Google Patents
Biological sample collection device Download PDFInfo
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- CN110057652B CN110057652B CN201910339635.7A CN201910339635A CN110057652B CN 110057652 B CN110057652 B CN 110057652B CN 201910339635 A CN201910339635 A CN 201910339635A CN 110057652 B CN110057652 B CN 110057652B
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- storage container
- biological sample
- pressing piece
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- 239000012472 biological sample Substances 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 91
- 238000003825 pressing Methods 0.000 claims abstract description 65
- 239000000243 solution Substances 0.000 claims abstract description 35
- 239000000523 sample Substances 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 239000011259 mixed solution Substances 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 26
- 238000010521 absorption reaction Methods 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 11
- 239000008280 blood Substances 0.000 claims description 6
- 210000004369 blood Anatomy 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000003085 diluting agent Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000003296 saliva Anatomy 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 210000003756 cervix mucus Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000002751 lymph Anatomy 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a biological sample collection device, and relates to the technical field of medical equipment. Wherein such a sample collection device comprises a first housing, a collector for aspirating a biological sample, and a holder in which a specific solution is placed; the collector is provided with a suction mechanism arranged on the first shell, a first pressing piece capable of sliding relative to the first shell, a retainer is provided with a liquid storage container capable of sliding relative to the first shell, and a second pressing piece arranged on the liquid storage container; the user can press the second pressing piece, drives the liquid storage container and is close to the activity of first casing, makes the specific solution in the liquid storage container flow into the collector and mix with biological sample mutually and form mixed solution, and the user can press first pressing piece then, lets mixed solution flow into the liquid storage container, and the user can be through pressing first pressing piece and second pressing piece repeatedly in proper order, can let biological sample and the abundant even of specific solution mix.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a biological sample collection device.
Background
At present, in the process of collecting biological samples (blood, saliva, urine and the like), quantitative biological samples are firstly sucked through a liquid suction device, then the sucked biological samples are dripped into a container filled with a specific solution, finally the container filled with the specific solution and the biological samples is sealed, and the container is shaken to uniformly mix the specific solution and the biological samples. In the prior art, the liquid suction device and the container filled with the specific solution are two independent devices, so that not only is the container easy to turn over, but also when a plurality of liquid suction devices suck the biological sample, the biological sample is easily dropped in the containers, and the biological sample is not dropped in the containers; furthermore, in the prior art, the specific solution and the biological sample are mixed by shaking the container, but this approach often does not allow for sufficiently uniform mixing of the specific solution and the biological sample.
In view of this, the inventors have studied the prior art and have made the present application.
Disclosure of Invention
The invention provides a biological sample collecting device, which aims to solve the problems of inconvenient collected blood and uniform mixing of diluent in the prior art.
In order to solve the above technical problems, the present invention provides a biological sample collection device, comprising:
(a) A first housing including a first cavity provided with a first opening, a second cavity provided with a second opening, a first passage communicating the first cavity and the second cavity, and a piercing portion located in the second cavity;
(b) The collector comprises a first pressing piece with a movable channel arranged inside, and an absorption mechanism with the upper end slidably arranged in the movable channel and in sealing fit with the movable channel, wherein the movable channel and the absorption mechanism enclose a mixing cavity, the absorption mechanism is provided with a sample cavity communicated with the mixing cavity, and the sample cavity is used for placing biological samples; the collector is detachably arranged on the first shell and drives the lower end of the absorption mechanism to be inserted into the first cavity;
(c) A holder including a liquid storage container having a liquid storage chamber built therein for containing a specific solution, the liquid storage chamber penetrating the liquid storage container in an up-down direction, the liquid storage chamber having an upper end opening and a lower end opening penetrating the liquid storage container, the holder further including a penetrable seal for sealing the upper end opening, and a second pressing member for sealing the lower end opening; the retainer is detachably arranged on the first shell and drives the upper end of the liquid storage container to be slidably arranged in the second cavity, the upper end of the liquid storage container is in sealing fit with the second cavity, and the lower end of the liquid storage container penetrates out of the second cavity;
the second pressing piece can drive the liquid storage container to move along the second cavity body towards the direction close to the first shell body, so that the puncture part punctures the penetrable sealing piece, the liquid storage cavity is communicated with the first channel, the specific solution flows into the sample cavity from the liquid storage cavity through the first channel, the specific solution and the biological sample are mixed to form mixed solution, and the mixed solution can flow into the mixed cavity to drive the first pressing piece to move towards the direction far away from the first shell body;
the first pressing piece can move towards the direction close to the first shell, so that mixed liquid in the mixed cavity can flow into the liquid storage cavity through the first channel, the liquid storage container drives the second pressing piece to be far away from the first shell, and the second pressing piece drives the liquid storage container to move towards the direction close to the first shell along the second cavity.
As a further optimization, the first housing has a partition that separates the first cavity from the second cavity; the absorption mechanism comprises a liquid suction pipe internally provided with the sample cavity and a capillary pipe which is arranged on the liquid suction pipe and communicated with the sample cavity, and the capillary pipe can be communicated with the sample cavity and the first channel.
As a further refinement, the lancing section is a lancing lever disposed on the separation section and located in the second cavity, the first channel extending through the separation section and the lancing lever.
As a further refinement, the collector has a first seal that fits over the pipette, the holder has a second seal that fits over the reservoir, the first seal sealing the engagement of the pipette with the movable channel, and the second seal sealing the engagement of the reservoir with the second cavity.
As a further optimization, the collecting device is provided with a second shell sleeved on the first shell, the lower end of the second shell is provided with a limiting part which extends inwards and is smaller than the second cavity in opening, and the limiting part is used for supporting the inner tube and can limit the liquid storage container to separate from the second cavity.
As a further optimization, the second pressing piece is detachably configured in the liquid storage container, the second pressing piece is provided with a plugging part matched with the lower end opening, and the second pressing piece is configured in the liquid storage container and can drive the plugging part to be configured in the lower end opening so as to limit the specific solution and the mixed solution to flow out from the lower end opening.
As a further optimization, the first cavity is provided with a first slideway which is communicated with the first channel, and a second slideway which is communicated with the first slideway and surrounds the first slideway, and the collector is arranged on the first shell and can drive the lower end of the absorption mechanism to be inserted into the first slideway and drive the first pressing piece to be inserted into the second slideway.
As a further optimization, the pipette can be screwed to the partition.
As a further refinement, the second pressing member can be screwed to the liquid storage container.
As a further optimization, the biological sample is blood and the specific solution is a diluent.
By adopting the technical scheme, the invention can obtain the following technical effects:
when the biological sample collecting device is used, firstly, the absorption mechanism of the collector is used for absorbing biological samples, then the collector with the biological samples is arranged on the first shell, then the second pressing piece is pressed, the puncture part is punctured by the penetrable sealing piece, the specific solution in the liquid storage cavity flows into the sample cavity through the first channel and is mixed with the biological samples to form mixed solution, the mixed solution further flows into the mixed cavity, the first pressing piece is pushed to be far away from the first shell, then the first pressing piece is pressed, the mixed solution in the mixed cavity flows into the liquid storage cavity and pushes the liquid storage container to be far away from the first shell through the sample cavity and the first channel, and then the second pressing piece and the first pressing piece are repeatedly pressed for a plurality of times in sequence, so that the biological samples and the specific solution in the mixed solution are fully and uniformly mixed. Through the technical scheme, the biological sample collecting device not only can fully and uniformly mix the biological sample with the specific solution, but also can prevent the problems that a container with the biological sample and a container without the biological sample are easy to mix in the prior art.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a collection device according to an embodiment of the present invention;
FIG. 2 is a partially exploded view of a collection device according to an embodiment of the present invention;
FIG. 3 is an exploded cross-sectional view of a collection device (with the second housing removed) according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of an acquisition device according to an embodiment of the present invention (first state);
FIG. 5 is a schematic cross-sectional view of an acquisition device according to an embodiment of the present invention (second state);
the marks in the figure: 1-a collector; 2-a first housing; 3-a second housing; 4-a retainer; 5-a first pressing member; 6-a first seal; 7-pipette; 8-capillary; 9-an absorption mechanism; 10-a second seal; 11-a penetrable seal; 12-a liquid storage container; 13-a second pressing member; 14-a mixing chamber; 15-an active channel; 16-sample chamber; 17-a first slide; 18-a second slideway; 19-a first cavity; 20-a first channel; 21-piercing part; 22-a second cavity; 23-a liquid storage cavity; 24-spacer.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
In the description of the present invention, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The invention is described in further detail below with reference to the attached drawings and detailed description:
as shown in fig. 1 to 3, in the present embodiment, a biological sample collection device includes:
(a) A first housing 2 including a first cavity 19 provided with a first opening, a second cavity 22 provided with a second opening, a first passage 20 communicating the first cavity 19 and the second cavity 22, and a piercing portion 21 located in the second cavity 22;
(b) The collector 1 comprises a first pressing piece 5 with a movable channel 15 arranged inside, and an absorption mechanism 9 with the upper end slidably arranged in the movable channel 15 and in sealing fit with the movable channel 15, wherein the movable channel 15 and the absorption mechanism 9 enclose a mixing cavity 14, the absorption mechanism 9 is provided with a sample cavity 16 communicated with the mixing cavity 14, and the sample cavity 16 is used for placing biological samples; the collector 1 is detachably arranged on the first shell 2 and drives the lower end of the absorption mechanism 9 to be inserted into the first cavity 19;
(c) A holder 4 including a liquid storage container 12 having a liquid storage chamber 23 built therein, the liquid storage chamber 23 for containing a specific solution, the liquid storage chamber 23 penetrating the liquid storage container 12 in an up-down direction, the liquid storage chamber 23 having an upper end opening and a lower end opening penetrating the liquid storage container 12, the holder 4 further including a penetrable seal 11 for sealing the upper end opening, and a second pressing member 13 for sealing the lower end opening; the retainer 4 is detachably disposed on the first housing 2 and drives the upper end of the liquid storage container 12 to be slidably disposed in the second cavity 22, and the upper end of the liquid storage container 12 is in sealing fit with the second cavity 22, and the lower end of the liquid storage container 12 penetrates out from the second cavity 22.
As shown in fig. 4 and 5, the second pressing member 13 can drive the liquid storage container 12 to move along the second cavity 22 towards the direction approaching the first housing 2, so that the puncture part 21 punctures the penetrable seal 11, the liquid storage cavity 23 is communicated with the first channel 20, so that the specific solution flows into the sample cavity 16 from the liquid storage cavity 23 through the first channel 20, the specific solution and the biological sample are mixed to form a mixed solution, and the mixed solution can flow into the mixing cavity 14 to drive the first pressing member 5 to move towards the direction far away from the first housing 2. The first pressing piece 5 can move towards the direction approaching the first shell 2, so that the mixed liquid in the mixed cavity 14 can flow into the liquid storage cavity 23 through the first channel 20, and the liquid storage container 12 drives the second pressing piece 13 to be far away from the first shell 2, so that the next time the second pressing piece 13 drives the liquid storage container 12 to move towards the direction approaching the first shell 2 along the second cavity 22. Fig. 4 shows a state in which the second pressing member 13 is away from the first housing 2 (first state), and fig. 5 shows a state in which the first pressing member 5 is away from the first housing 2 (second state). In this embodiment, the penetrable seal 11 is a layer of tinfoil.
In a specific operation process, a user firstly sucks a biological sample by using the absorption mechanism 9 of the collector 1, then disposes the collector 1 with the biological sample on the first shell 2, then presses the second pressing piece 13 to enable the puncture part 21 to puncture the penetrable sealing member 11, a specific solution in the liquid storage cavity 23 flows into the sample cavity 16 through the first channel 20 to be mixed with the biological sample to form a mixed solution, the mixed solution further flows into the mixing cavity 14, the first pressing piece 5 is pushed away from the first shell 2, then presses the first pressing piece 5, the mixed solution in the mixing cavity 14 flows into the liquid storage cavity 23 through the sample cavity 16 and the first channel 20, pushes the liquid storage container 12 to be away from the first shell 2, and then repeatedly presses the second pressing piece 13 and the first pressing piece 5 in sequence for a plurality of times (2-3 times) to enable the biological sample and the specific solution in the mixed solution to be fully and uniformly mixed. Through the technical scheme, the biological sample collecting device not only can fully and uniformly mix the biological sample with the specific solution, but also can prevent the problems that a container with the biological sample and a container without the biological sample are easy to mix in the prior art.
As shown in fig. 3, in the present embodiment, the first housing 2 has a partition 24 that partitions the first chamber 19 and the second chamber 22; the absorbing mechanism 9 includes a pipette 7 having a sample chamber 16 therein, and a capillary tube 8 disposed in the pipette 7 and communicating with the sample chamber 16, and the capillary tube 8 is capable of communicating with the sample chamber 16 and the first channel 20. Wherein the capillary tube 8 can draw the biological sample by capillary phenomenon. "biological sample" as referred to herein refers to a liquid sample such as blood, urine, serum, lymph, saliva, anal and vaginal secretions, sweat and semen of an organism, with mammalian samples being preferred and human samples being particularly preferred. "holder" as referred to herein refers to a component designed to hold a solution, additive, reagent, or other chemical/biological substance. In this embodiment, the biological sample is blood and the specific solution is a diluent. In another embodiment, the absorbing mechanism 9 may eliminate the capillary tube 8 and be replaced by a wick made of a sponge-like wicking material comprising cellulose, polyester, polyvinyl alcohol, foam, porous media, or other suitable material.
As shown in fig. 3, in the present embodiment, the piercing portion 21 is a piercing rod disposed on the partition portion 24 and located in the second cavity 22, and the first channel 20 penetrates the partition portion 24 and the piercing rod. As shown in fig. 4 and 5, the collector 1 has a first seal 6 fitted over the pipette 7, the holder 4 has a second seal 10 fitted over the reservoir 12, the first seal 6 sealing the engagement of the pipette 7 with the movable channel 15, and the second seal 10 sealing the engagement of the reservoir 12 with the second cavity 22. Wherein the first sealing member 6 is two sealing rings sleeved on the liquid suction pipe 7, and the first sealing member 6 can enable one end of the liquid suction pipe 7 to be slidably sealed in the movable channel 15; the second sealing member 10 is two sealing rings sleeved on the liquid storage container 12, and the second sealing member 10 can enable one end of the liquid storage container 12 to be slidably sealed in the second cavity 22.
As shown in fig. 1, 2, 4 and 5, in the present embodiment, the collecting device has a second housing 3 sleeved on the first housing 2, and a limiting portion extending inward and having an opening smaller than the second cavity 22 is disposed at the lower end of the second housing 3, and the limiting portion is used for supporting the inner tube and capable of limiting the liquid storage container 12 from being separated from the second cavity 22. As shown in fig. 4 and 5, the second pressing member 13 is detachably disposed on the liquid storage container 12, the second pressing member 13 has a plugging portion adapted to the lower opening, and the second pressing member 13 is disposed on the liquid storage container 12 and can drive the plugging portion to be disposed on the lower opening so as to limit the specific solution and the mixed solution from flowing out from the lower opening. In the present embodiment, the second pressing piece 13 is further provided with a drip groove surrounding the stopper; when the biological sample and the specific solution are sufficiently uniform, the second pressing member 13 can be removed, the first pressing member 5 is pressed, and the mixed solution is allowed to drop from the liquid storage cavity 23 to the sample dropping groove of the second pressing member 13, namely: the second presser 13 is used as a drop container.
As shown in fig. 3, in the present embodiment, the first cavity 19 has a first slide 17 communicating with the first channel 20, and a second slide 18 communicating with the first slide 17 and surrounding the first slide 17, and the collector 1 is disposed in the first housing 2, and is capable of driving the lower end of the absorbing mechanism 9 to be inserted into the first slide 17 and driving the first pressing member 5 to be inserted into the second slide 18. Namely: the first slide 17 is used for accommodating the pipette 7 inserted into the first cavity 19, and the first slide 17 is used for accommodating the first pressing piece 5 inserted into the first cavity 19. In the present embodiment, as shown in fig. 3, the pipette 7 can be screwed to the partition 24, and the second pressing member 13 can be screwed to the liquid container 12. Wherein, the pipette 7 is connected with the isolation part 24 in a threaded way, so that when the first pressing piece 5 is far away from the first shell 2, the first pressing piece 5 is not far away from the first shell 2, and the mixed liquid can enter the mixing cavity 14; the second pressing piece 13 is connected with the liquid storage container 12 in a threaded manner, so that the second pressing piece 13 can be prevented from being separated from the liquid storage container 12 when the collecting device is used.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A biological sample collection device comprising: (a) A first housing (2) comprising a first cavity (19) provided with a first opening, a second cavity (22) provided with a second opening, a first channel (20) communicating the first cavity (19) and the second cavity (22), and a piercing portion (21) located in the second cavity (22); (b) The collector (1) comprises a first pressing piece (5) with a movable channel (15) arranged inside, and an absorption mechanism (9) with the upper end slidably arranged in the movable channel (15) and in sealing fit with the movable channel (15), wherein the movable channel (15) and the absorption mechanism (9) enclose a mixing cavity (14), the absorption mechanism (9) is provided with a sample cavity (16) communicated with the mixing cavity (14), and the sample cavity (16) is used for placing biological samples; the collector (1) is detachably arranged on the first shell (2) and drives the lower end of the absorption mechanism (9) to be inserted into the first cavity (19); (c) A holder (4) including a liquid storage container (12) having a liquid storage chamber (23) built therein, the liquid storage chamber (23) for accommodating a specific solution, the liquid storage chamber (23) penetrating the liquid storage container (12) in an up-down direction, the liquid storage chamber (23) having an upper end opening and a lower end opening penetrating the liquid storage container (12), the holder (4) further including a penetrable seal (11) for sealing the upper end opening, and a second pressing member (13) for sealing the lower end opening; the retainer (4) is detachably arranged on the first shell (2) and drives the upper end of the liquid storage container (12) to be slidably arranged in the second cavity (22), the upper end of the liquid storage container (12) is in sealing fit with the second cavity (22), and the lower end of the liquid storage container (12) penetrates out of the second cavity (22); the second pressing piece (13) can drive the liquid storage container (12) to move along the second cavity (22) towards the direction close to the first shell (2), so that the puncture part (21) punctures the penetrable sealing piece (11), the liquid storage cavity (23) is communicated with the first channel (20), the specific solution flows into the sample cavity (16) from the liquid storage cavity (23) through the first channel (20), the specific solution and the biological sample are mixed to form a mixed solution, and the mixed solution can flow into the mixed cavity (14) to drive the first pressing piece (5) to move towards the direction far away from the first shell (2); the first pressing piece (5) can move towards the direction approaching the first shell (2), so that mixed liquid in the mixing cavity (14) can flow into the liquid storage cavity (23) through the first channel (20), the liquid storage container (12) drives the second pressing piece (13) to be away from the first shell (2), and the next time the second pressing piece (13) drives the liquid storage container (12) to move towards the direction approaching the first shell (2) along the second cavity (22); the second pressing piece (13) can be connected to the liquid storage container (12) in a threaded manner; the biological sample is blood, and the specific solution is a diluent.
2. A biological sample collection device according to claim 1, wherein the first housing (2) has a partition (24) separating the first cavity (19) and the second cavity (22); the absorption mechanism (9) comprises a liquid suction pipe (7) with the sample cavity (16) arranged inside, and a capillary pipe (8) which is arranged on the liquid suction pipe (7) and is communicated with the sample cavity (16), wherein the capillary pipe (8) can be communicated with the sample cavity (16) and the first channel (20).
3. A biological sample collection device according to claim 2, wherein the piercing section (21) is a piercing rod disposed on the partition (24) and located in the second cavity (22), the first channel (20) extending through the partition (24) and the piercing rod.
4. A biological sample collection device according to claim 2, wherein the collector (1) has a first seal (6) which fits over the pipette (7), the holder (4) has a second seal (10) which fits over the reservoir (12), the first seal (6) being arranged to seal the cooperation of the pipette (7) and the movable channel (15), the second seal (10) being arranged to seal the cooperation of the reservoir (12) and the second cavity (22).
5. A biological sample collection device according to claim 1, wherein the collection device comprises a second housing (3) sleeved on the first housing (2), and a limiting part which extends inwards and has an opening smaller than the second cavity (22) is arranged at the lower end of the second housing (3) and is used for supporting an inner tube and limiting the liquid storage container (12) from being separated from the second cavity (22).
6. The biological sample collection device according to claim 1, wherein the second pressing member (13) is detachably disposed on the liquid storage container (12), the second pressing member (13) has a plugging portion adapted to the lower end opening, and the second pressing member (13) is disposed on the liquid storage container (12) and can drive the plugging portion to be disposed on the lower end opening so as to limit the outflow of the specific solution and the mixed solution from the lower end opening.
7. A biological sample collection device according to claim 1, wherein the first cavity (19) has a first slide (17) in communication with the first channel (20) and a second slide (18) in communication with the first slide (17) and surrounding the first slide (17), and wherein the collector (1) is arranged in the first housing (2) and is capable of driving the lower end of the absorbing mechanism (9) to be inserted into the first slide (17) and driving the first presser (5) to be inserted into the second slide (18).
8. A biological sample collection device according to claim 2, characterized in that the pipette (7) is threadably connected to the partition (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339635.7A CN110057652B (en) | 2019-04-25 | 2019-04-25 | Biological sample collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339635.7A CN110057652B (en) | 2019-04-25 | 2019-04-25 | Biological sample collection device |
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| Publication Number | Publication Date |
|---|---|
| CN110057652A CN110057652A (en) | 2019-07-26 |
| CN110057652B true CN110057652B (en) | 2024-01-12 |
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| CN201910339635.7A Active CN110057652B (en) | 2019-04-25 | 2019-04-25 | Biological sample collection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111380724B (en) * | 2020-04-24 | 2023-08-25 | 万华普曼生物工程有限公司 | Body fluid sample sampling and detecting device |
| CN112844086B (en) * | 2020-12-29 | 2022-05-20 | 苏州鼎实医疗科技有限公司 | Portable injection device of sampling application of sample |
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|---|---|---|---|---|
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