CN212514611U - Novel closed type specimen processing device - Google Patents
Novel closed type specimen processing device Download PDFInfo
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- CN212514611U CN212514611U CN202021592114.7U CN202021592114U CN212514611U CN 212514611 U CN212514611 U CN 212514611U CN 202021592114 U CN202021592114 U CN 202021592114U CN 212514611 U CN212514611 U CN 212514611U
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Abstract
The utility model provides a novel airtight type sample processing device, is equipped with the mixing chamber, draws the room and reads the room in that the casing is inside, mixing chamber upper portion is opened sample import, injection port and first intercommunication passageway, first intercommunication passageway intercommunication mixing chamber with draw room upper portion space, it is equipped with second intercommunication passageway to draw the room lower part, second intercommunication passageway intercommunication is drawn the room and is read the room, draw indoor depression bar that is equipped with, depression bar upper portion is equipped with first seal, and the lower part is equipped with the second seal, the first seal height of depression bar is greater than first intercommunication passageway opening maximum dimension, the second seal height is less than second intercommunication passageway opening maximum dimension, distance between first seal lower extreme and the second seal upper end is greater than the distance between first intercommunication lower extreme and the second intercommunication passageway upper end. This processing apparatus actual operation is simple and convenient, can realize that the patient need not to uncap the operation again after keeping away and get the sample, effectual protection operating personnel's safety.
Description
Technical Field
The utility model relates to a clinical examination equipment technical field, concretely relates to novel airtight type sample processing device.
Background
Because the immune colloidal gold technology has the advantages of convenience, rapidness, convenience and the like, in recent years, the immune colloidal gold technology is widely applied to the biomedical fields of clinical examination (such as early pregnancy test, venereal disease detection), disease detection (such as detection of pathogen antibodies and antigens of infectious diseases, parasite detection and the like), food safety supervision and the like in hospitals, and applicable specimens are very wide, including blood, body fluid, excrement, tissues and the like, and the position in disease diagnosis is increasingly highlighted.
However, the immune colloidal gold technique has a certain disadvantage in the detection operation, because the technique needs to take the sample of a patient for detection and assay in the medical clinical examination, an unsealed container is generally adopted to store the sample or body fluid, most of some samples (such as sputum, blood, body fluid, tissues, excrement and the like) need to be subjected to the sample pretreatment step, so that an experimenter needs to open the container after receiving the sample and then carry out a series of operations on the sample, the sample may overflow in the operation process, and the samples like some disease detection (such as venereal disease detection, infectious disease related detection and the like) may have infectivity, such as the container is unsealed, or the container is repeatedly opened, so that secondary pollution or infection is easily caused to the surrounding environment, personnel, laboratory environment and operators.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the secondary pollution that the immune colloidal gold technique probably caused laboratory and operating personnel in the experimental operation process, for this, the utility model provides a colloidal gold detects time measuring, and the device of sample totally enclosed processing, this processing apparatus actual operation are simple and convenient, can realize that the patient is after keeping somewhere and getting the sample, and operating personnel need not to uncap the operation again, effectual protection operating personnel's safety.
In order to achieve the technical purpose, the technical solution of the present invention is as follows:
the utility model provides a novel airtight type sample processing device, includes the casing, be equipped with the mixing chamber in the casing, draw the room and read the room, open on mixing chamber upper portion has sample import, injection port and first intercommunication passageway, first intercommunication passageway intercommunication mixing chamber with draw room upper portion space, it is equipped with second intercommunication passageway to draw the room lower part, second intercommunication passageway intercommunication draws the room and reads the room, draw indoor depression bar that is equipped with, depression bar upper portion is equipped with first seal, and the lower part is equipped with the second seal, connect through the connecting piece between first seal and the second seal, the depression bar can be drawing indoor slip, the first seal height of depression bar is greater than first intercommunication passageway opening maximum dimension, the second seal height is less than second intercommunication passageway opening maximum dimension, the distance between first seal lower extreme and the second seal upper end is greater than the distance between first intercommunication passageway lower extreme and the second intercommunication passageway upper end. Through pulling the pressing rod, the first sealing part of the pressing rod can seal or open the first communicating channel, and meanwhile, the second sealing part of the pressing rod can seal or open the second communicating channel in the moving process of the pressing rod.
In the above-described sealed specimen processing device, the injection port is inclined toward the bottom of the housing, and the height of the intersection between the axis of the injection port and the sidewall of the kneading chamber is lower than the height of the lowest point of the first communicating channel. When the buffer solution is injected into the mixing chamber from the injection port, the buffer solution can be prevented from rushing into the first communicating channel and the extracting chamber.
Preferably, an injection rubber plug is arranged in the injection port and used for sealing the position of the injection port, and when the subsequent shaking and mixing chamber is operated, the sample can be prevented from flowing out of the injection port.
According to the closed type sample processing device, the height of the first closed part is not less than the distance between the bottommost part of the first communication channel and the top of the mixing chamber, so that the pressing rod can be conveniently pressed downwards until the first closed part of the pressing rod completely closes the first communication channel.
In the above-described sealed sample processing device, the upper portion of the reading chamber is provided with a strip holding device, and the length of the strip held by the strip holding device can extend into the second communicating channel.
The closed type sample processing device has the advantages that the volume between the bottommost part of the first communication channel and the topmost part of the second communication channel in the extraction chamber is more than 4ml, so that the volume of a sample which can be extracted by the extraction chamber is more than 4 ml. According to statistical data, after the sample is added with the buffer solution and mixed uniformly, enough samples can be ensured to enter the second communication channel and the reading chamber to normally react with the test strip when the minimum amount is about 4-5 ml.
Furthermore, the axes of the blending chamber, the extraction chamber and the reading chamber are parallel to each other, so that the manufacturing and checking process are convenient.
The use method of the closed type sample processing device comprises the following steps:
1. adding a sample into the mixing chamber from a sample inlet at the upper part of the mixing chamber, and sealing the sample inlet;
2. filling buffer solution into the mixing chamber from the injection port, and then shaking up the sample and the buffer solution;
3. pressing the pressure lever downwards to enable the second closed part to be positioned between the top of the second communicating channel and the bottom of the first communicating channel, and enabling the volume between the upper end of the pressure lever and the bottom of the first communicating channel to be larger than 4 ml;
4. the shell is inclined towards the direction of the extraction chamber, so that the sample enters the extraction chamber from the first communication channel, and then the shell is vertical, so that the redundant sample flows back to the mixing chamber
5. Placing test strips in a reading chamber in advance;
6. pressing the press rod downwards to enable the second closed part to enter the second communication channel, and enabling the sample in the extraction chamber to enter the second communication channel and the reading chamber and to contact with the test strip;
7. after the siphoning of the test strip is finished, standing the shell for 10-20 minutes, and observing and recording the result above a reading chamber;
8. after the recording is finished, the whole device is discarded or treated according to the medical waste without any operation on the shell.
In the method for using the closed type sample processing device, in the sixth step, the liquid level of the sample after entering the reading chamber does not exceed the result display area of the test strip.
The beneficial effects of the utility model reside in that:
1. the utility model discloses a closed specimen processing device, the virus, germ etc. that the specimen itself has do not take place the replacement with the external world. The communication and the cut-off of the internal cavity are replaced by the air contained in the internal cavity and the sample, and the positive and negative pressure is not generated, so the siphon failure condition is not generated
2. The utility model discloses an airtight type sample processing apparatus, injection port department adopt the injection plug, and soft leakproofness is good, can guarantee to use still to have good sealed effect after the syringe injects buffer solution, and decurrent hole makes the buffer solution according to the direction of hole injection downwards when injecting, can not inject and draw indoorly.
3. The utility model discloses a closed type specimen processing device, the sample that the ration was drawed, with the test paper strip contact back, remove the contact site, can not cause the pollution to the result display area, during the reading result, can guarantee the degree of accuracy of result.
4. The utility model discloses an airtight type sample processing apparatus, test paper strip are installed inside the cup, and the observation result need not personnel's contact, can guarantee operating personnel safety. After all the operations are finished, the device is not operated any more, and the whole device is discarded or treated according to medical waste, so that the safety of medical staff is protected to the maximum extent.
Drawings
The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.
In the drawings:
FIG. 1 is a schematic exploded view of the closed type specimen processing device of this embodiment 1;
FIG. 2 is a schematic view showing the outline of the whole structure of the closed type sample processing device of the present embodiment 1;
FIG. 3 is a schematic exploded perspective view of the closed type specimen processing device of the present embodiment 1;
the components represented by the reference numerals in the figures are:
1. the test paper strip comprises a test paper strip cover, 2, a sealing cover, 3, an anti-backflow O-shaped ring, 4, a pressure rod, 5, a blocking O-shaped ring, 6, a cup cover, 7, a separating O-shaped ring, 8, an injection rubber plug, 9, a shell, 10, a first opening, 11, a second opening, 12, a third opening, 13, a fourth opening, 14, an anti-backflow O-shaped ring groove, 15, a blocking O-shaped ring groove, 16, a separating O-shaped ring groove, 17, a mixing chamber, 18, an extraction chamber, 19, a reading chamber, 20, test paper strips, 21, a first communication channel, 22 and a second communication channel.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.
The directions mentioned in the present invention, front and back, left and right, etc., are only used to express the relative position relationship, and are not restricted by any specific direction reference in practical application.
Example 1
Referring to fig. 1-3, fig. 1-3 are schematic structural views of the novel airtight type sample processing device of this embodiment, including a housing 9, a blending chamber 17, an extraction chamber 18 and a reading chamber 19 are provided in the housing 9, and the axes of the blending chamber 17, the extraction chamber 18 and the reading chamber 19 are parallel to each other, so as to facilitate the manufacturing and checking process. The mixing chamber 17 has the largest volume, so that the sample and the buffer solution can be conveniently shaken up. The extraction chamber 18 is positioned between the blending chamber 17 and the reading chamber 19, a first communication channel 21 is arranged at the upper part of the extraction chamber 18 and used for communicating the upper spaces of the blending chamber 17 and the extraction chamber 18, a second communication channel 22 is arranged at the lower part of the extraction chamber 18, and the second communication channel 22 is communicated with the extraction chamber 18 and the reading chamber 19.
Furthermore, the lateral wall of the blending chamber 17 is provided with a first opening 10, the upper part of the blending chamber is provided with a second opening 11, the second opening 11 is used for enabling the specimen to enter the blending chamber 17, the outside of the second opening 11 is covered with a cup cover 6, and after the specimen enters the blending chamber 17, the cup cover 6 is used for sealing the second opening 11. First opening 10 is located bowl cover 6 below, arranges to one side downwards, be equipped with injection plug 8 in the first opening 10, injection plug 8 plays sealed effect, when in the follow-up mixing chamber 17 operation that rocks, can avoid the sample to flow from first opening 10.
Further, first opening 10 is located mixing chamber 17 rightmost side, arranges with first intercommunication passageway 21 relatively, makes things convenient for operating personnel to inject buffer solution, draws the distance between big first opening 10 and the first intercommunication passageway 21 simultaneously, prevents to dash first intercommunication passageway 21 and draw in the room 18 when buffer solution injects.
Preferably, the height of the intersection point of the axis of the first opening 10 and the side wall of the mixing chamber 17 is lower than the height of the lowest point of the first communication channel 21. Further ensuring that the buffer solution is completely injected into the interior of the homogenizing chamber 17.
In this embodiment, a pressing rod 4 is disposed in the extraction chamber 18, a first sealing portion is disposed at an upper portion of the pressing rod 4, a second sealing portion is disposed at a lower portion of the pressing rod 4, the first sealing portion and the second sealing portion are connected through a connecting rod, and the pressing rod 4 can slide in the extraction chamber 18. The height of the first closed part of the pressure lever 4 is larger than the maximum size of the opening of the first communicating channel 21, the height of the second closed part is smaller than the maximum size of the opening of the second communicating channel 22, and the distance between the lower end of the first closed part and the upper end of the second closed part is larger than the distance between the lower end of the first communicating channel 21 and the upper end of the second communicating channel 22. By pulling the pressing rod 4, the first closing part of the pressing rod 4 can close or open the first communicating channel 21, and meanwhile, in the moving process of the pressing rod 4, the second closing part of the pressing rod 4 can close or open the second communicating channel 22.
Further, the height of the first sealing part is not less than the distance between the bottommost part of the first communicating channel 21 and the top of the blending chamber 17, and in the process that the pressing rod 4 seals the first communicating channel 21 downwards, the outer end of the first sealing part of the pressing rod 4 is exposed outside, so that the pressing rod 4 can be pressed downwards until the first communicating channel 21 is completely sealed by the first sealing part of the pressing rod 4. And when the lower end of the first closed portion of the pressing rod 4 moves to the lowest end of the first communicating channel 21, the second closed portion enters the second communicating channel 22, so that the second communicating channel 22 is opened, and the extracting chamber 18 and the reading chamber 19 are in spatial communication.
Furthermore, the first sealing part is sequentially provided with two backflow prevention 0-shaped ring grooves 14 and one blocking O-shaped ring groove 15 from top to bottom, the backflow prevention O-shaped ring 3 is placed in the backflow prevention 0-shaped ring groove 14, and the blocking O-shaped ring 5 is placed in the blocking O-shaped ring groove 15. Through the design of the two backflow-preventing 0-shaped rings 3, the sealing performance of the upper part of the extracting chamber 18 can be ensured, and the sample is prevented from flowing out of the upper part of the extracting chamber 18. And the blocking O-shaped ring 5 at the lower end of the first closing part can gradually block the communication between the blending chamber 17 and the extraction chamber 18 in the process of pressing the pressing rod 4, so that the phenomenon that excessive samples are poured in due to misoperation is prevented.
Further, a separation O-shaped ring groove 16 is formed in the outer ring of the second closing part, and a separation O-shaped ring 7 is placed in the separation O-shaped ring groove 16. When the sample is extracted, the pressure lever 4 is in a non-downward moving state, the lower end of the second closed part of the pressure lever 4 is positioned above the second communication channel 22 to separate the extraction chamber 18 and the reading chamber 19, the uniformly mixed sample can be extracted but can not enter the reading chamber 19, after the pressure lever 4 moves downward, the second closed part loses the sealing effect, and the sample in the extraction chamber 18 can enter the reading chamber 19.
Preferably, the backflow prevention O-shaped ring 3, the blocking O-shaped ring 5 and the separation O-shaped ring 7 on the pressure rod 4 are all made of medical silica gel, so that the full sealing effect during operation can be realized.
In this embodiment, the volume between the bottommost portion of the first communicating channel 21 and the topmost portion of the second communicating channel 22 in the extracting chamber 18 is greater than 4ml, so as to ensure that the sample volume that can be extracted by the extracting chamber 18 is greater than 4 ml. According to the statistical data, after the specimen is added with the buffer solution and uniformly mixed, enough samples can be ensured to enter the second communicating channel 22 and the reading chamber 19 to normally react with the test strip when the minimum amount is about 4-5 ml.
As a further preference, the outer wall of the extraction chamber 18 can be provided with a scale to facilitate observation of the sample extraction amount. The 0 scale position is located at the position where the upper end surface of the second closed part is located when the second closed part just closes the second communicating channel 22.
In this embodiment, the reading chamber 19 is provided with a third opening 12 at the upper part, the third opening 12 is covered with a test strip cover 1, a groove is formed in the middle of the test strip cover 1, one end of the test strip 20 is inserted into the groove, and the other end of the test strip extends into the second communicating channel 22. The test strip 20 is arranged in the reading chamber 19, so that the test strip does not need to be touched by people when observing results, and the safety of operators can be ensured.
Further, the second communication channel 22 penetrates the reading chamber 19 leftwards, a fourth opening 13 is arranged at the tail end of the second communication channel 22, and a sealing cover 2 is sleeved outside the fourth opening 13.
Preferably, the volume of the second communication channel 22 is less than 4ml, and the inner diameter of the second communication channel 22 and the inner diameter of the reading chamber 19 are designed such that the liquid level of the sample in the extraction chamber 19 can reach 8-9 mm after flowing into the second communication channel 22 and the reading chamber 19, so as to be in full contact with the test strip 20 and not to submerge the result display area.
The specific use method of the novel closed type sample processing device comprises the following steps:
1. opening the cup cover 6, adding the sample into the mixing chamber 17 from the first opening 10 at the upper part of the mixing chamber 17, and then covering the cup cover 6 on the first opening 10 to be closed and twisted tightly to ensure that the sample is not exposed;
2. adding a proper amount of buffer solution into the mixing chamber 17 by an injector through injecting the rubber plug 8, and then shaking up through an oscillator or a mixing machine;
3. pressing down the pressure lever 4 to enable the second closed part to be positioned between the top of the second communicating channel 22 and the bottom of the first communicating channel 21 and enable the volume between the upper end of the pressure lever 4 and the bottom of the first communicating channel 21 to be larger than 5 ml;
4. inclining the shell 9 towards the direction of the extraction chamber 18 to enable the sample to enter the extraction chamber 18 from the first communication channel 21, then erecting the shell 9, checking the sample extraction amount, and when the sample extraction amount reaches 4.7ml, erecting the shell 9 to enable the redundant sample to flow back into the blending chamber 17;
5. the test strip 20 is arranged on the test strip cover 1, the test strip cover 1 is covered on the third opening 12 and is fastened in a matching way, and then the sealing cover 2 is covered on the fourth opening 13 and is fastened in a matching way;
6. pressing the press rod 4 downwards, enabling the second closed part to slowly enter the second communication channel 22 in the pressing process, gradually cutting off the communication between the blending chamber 17 and the extraction chamber 18, gradually establishing the communication between the reading chamber 19 and the extraction chamber 18, enabling the communication between the reading chamber 19 and the extraction chamber 18 to be earlier than the cutting-off of the blending chamber 17 and the extraction chamber 18, enabling the sample in the extraction chamber 18 to uniformly flow into the second communication channel 22 and the reading chamber 19 and to be in contact with the test strip 20, enabling the liquid level to be 8-9 mm and not to exceed a result display area of the test strip;
7. after the test paper strip 20 siphons off, the shell 9 is kept stand for 15 minutes, and the result is observed and recorded above the reading chamber 19;
8. after the recording is finished, the whole device is discarded or disposed of according to the medical waste without any operation on the shell 9.
The above description is only a preferred 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 should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The novel closed type sample processing device is characterized by comprising a shell (9), wherein a blending chamber (17), an extraction chamber (18) and a reading chamber (19) are arranged in the shell (9), a sample inlet, an injection port and a first communicating channel (21) are formed in the upper part of the blending chamber (17), the first communicating channel (21) is communicated with the blending chamber (17) and the upper space of the extraction chamber (18), a second communicating channel (22) is arranged at the lower part of the extraction chamber (18), the second communicating channel (22) is communicated with the extraction chamber (18) and the reading chamber (19), a pressure rod (4) is arranged in the extraction chamber (18), a first sealing part is arranged at the upper part of the pressure rod (4), a second sealing part is arranged at the lower part of the pressure rod, the first sealing part and the second sealing part are connected through a connecting piece, and the pressure rod (4) can slide in the extraction chamber (18), the height of a first closed part of the pressure lever (4) is larger than the maximum size of an opening of the first communicating channel (21), the height of a second closed part is smaller than the maximum size of an opening of the second communicating channel (22), and the distance between the lower end of the first closed part and the upper end of the second closed part is larger than the distance between the lower end of the first communicating channel (21) and the upper end of the second communicating channel (22).
2. The novel closed type sample processing device according to claim 1, wherein the injection port is inclined towards the bottom of the shell (9), and the height of the intersection point of the axis of the injection port and the side wall of the blending chamber (17) is lower than the height of the lowest point of the first communicating channel (21).
3. The novel closed type specimen processing device according to claim 2, wherein an injection rubber plug (8) is arranged in the injection port.
4. The novel closed type sample processing device according to claim 1, wherein the height of the first closed part is not less than the distance between the bottommost part of the first communicating channel (21) and the top of the mixing chamber (17).
5. The novel closed type sample processing device as claimed in claim 1, wherein the reading chamber (19) is provided at an upper portion thereof with a test strip holding means, and the test strip (20) held thereon has a length capable of extending into the second communicating channel (22).
6. The novel hermetically sealed sample processing device of any one of claims 1 to 5 wherein the volume within the extraction chamber (18) between the bottommost portion of the first communication channel (21) and the topmost portion of the second communication channel (22) is greater than 4 ml.
7. The novel hermetically sealed sample processing device according to claim 6, wherein axes of the mixing chamber (17), the extraction chamber (18), and the reading chamber (19) are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021592114.7U CN212514611U (en) | 2020-08-04 | 2020-08-04 | Novel closed type specimen processing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021592114.7U CN212514611U (en) | 2020-08-04 | 2020-08-04 | Novel closed type specimen processing device |
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| CN212514611U true CN212514611U (en) | 2021-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855998A (en) * | 2020-08-04 | 2020-10-30 | 高伟 | Novel closed type sample processing device and using method thereof |
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2020
- 2020-08-04 CN CN202021592114.7U patent/CN212514611U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855998A (en) * | 2020-08-04 | 2020-10-30 | 高伟 | Novel closed type sample processing device and using method thereof |
| CN111855998B (en) * | 2020-08-04 | 2024-06-14 | 高伟 | Sealed specimen processing device and application method thereof |
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