CN220188119U - Be used for biological sample trace quick sampling needle - Google Patents
Be used for biological sample trace quick sampling needle Download PDFInfo
- Publication number
- CN220188119U CN220188119U CN202321490654.8U CN202321490654U CN220188119U CN 220188119 U CN220188119 U CN 220188119U CN 202321490654 U CN202321490654 U CN 202321490654U CN 220188119 U CN220188119 U CN 220188119U
- Authority
- CN
- China
- Prior art keywords
- air duct
- sampling needle
- needle
- biological samples
- connecting seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 40
- 239000012472 biological sample Substances 0.000 title claims abstract description 36
- 239000000523 sample Substances 0.000 claims abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 150000007523 nucleic acids Chemical class 0.000 claims description 5
- 102000039446 nucleic acids Human genes 0.000 claims description 5
- 108020004707 nucleic acids Proteins 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000001175 cerebrospinal fluid Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of biological sample sampling needles, and discloses a micro-rapid sampling needle for biological samples, which comprises a sampling needle main body and a sample tube, wherein an air duct is arranged in a connecting tube, a pressing air bag is arranged at the center of a flat pinching plate, the pressing air bag is connected with the air duct, a hose is connected with the air duct, a pressing column is connected to the side surface of the air duct close to the top, a limit chute which is in sliding connection with the pressing column is arranged on the surface of the connecting tube, the air duct can be downwards moved to be inserted into an air duct by pressing the pressing column and sleeved at the top end of the needle body, then the pressing air bag is extruded, the biological samples are pushed out by introducing air into the needle body, partial biological samples are prevented from remaining in the needle body, the condition that the sampling needle flies out to damage the sampling needle is avoided.
Description
Technical Field
The utility model relates to the technical field of biological sample sampling needles, in particular to a trace rapid sampling needle for biological samples.
Background
A biological sample sampling needle is a device for collecting a biological sample, including blood, urine, cerebrospinal fluid, tissue, etc., and is generally used in the medical and scientific fields, and its main functions include facilitating detection, analysis, diagnosis, treatment, etc.
Some of the current quick sampling needles for biological samples on the market are used for sucking biological samples into a needle body through capillary phenomenon, then throwing the needle body into a reagent tube for reaction, partial biological samples are easy to remain in the needle body in a release mode without throwing out, so that deviation of experimental results is caused, accuracy of the experimental results is affected, and the sampling needle is easy to break due to free hand during throwing.
We have therefore proposed a microscale rapid sampling needle for biological samples in order to solve the problems set out above.
Disclosure of Invention
The utility model aims to solve the problems that in the prior market, a few micro-rapid sampling needles for biological samples are used for sucking the biological samples into a needle body through a capillary phenomenon, and then the needle body is put into a reagent tube for whipping so as to whip the biological samples into the reagent tube for reaction, and the release mode is easy to cause the situation that part of the biological samples remain in the needle body and are not whipped out, so that the experimental result is deviated, the accuracy of the experimental result is influenced, and the sampling needle is easy to fly out by hands and be damaged during whipping.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a be used for biological sample trace quick sampling needle, includes sampling needle main part and sample tube, sampling needle main part and sample tube threaded connection, sampling needle main part includes the connecting seat, the connecting seat wholly sets up to hollow structure, just the connecting seat top sets up to open structure, the diapire is fixed with the connecting pipe in the connecting seat, the connecting pipe top is provided with flat pinch plate, the bottom of connecting seat is connected with the connecting plate, be close to the position of bottom in the connecting plate and be provided with a plurality of needle bodies, just the ventilation groove has been seted up to the position that the connecting plate surface corresponds the needle body top, capillary channel has been seted up in the needle body, be provided with the air duct in the connecting pipe, the central point of flat pinch plate is provided with presses the gasbag, it is connected with the hose to press the gasbag and the air duct, the position that the air duct side is close to the top is connected with presses the post, the spacing spout with pressing post sliding connection has been seted up on the connecting pipe surface, the external diameter and the air duct internal diameter of needle body is the same, just needle body and the air duct slip cup joint.
Further, the connecting seat surface is provided with the external screw thread, the position that the sample tube internal surface is close to the top has seted up the internal screw thread, the external screw thread of connecting seat and the internal screw thread looks adaptation of sample tube.
Further, a first limiting through hole is formed in the inner bottom wall of the connecting seat, a second limiting through hole communicated with the ventilation groove is formed in the top of the connecting plate, the first limiting through hole corresponds to the second limiting through hole, and the first limiting through hole and the second limiting through hole are both in sliding connection with the air duct.
Further, the bottom of the sample tube is arranged in a conical structure.
Further, the surface of the air duct is fixedly provided with a silica gel clamping ring, and the inner wall of the connecting pipe is provided with a clamping groove matched with the silica gel clamping ring.
Further, a nucleic acid releasing agent is provided in the sample tube.
Further, the number of the needle bodies is three, and the bottom end of the air duct is provided with a multi-pipe opening structure.
The utility model has the beneficial effects that: through being provided with the air duct in the connecting pipe, be provided with in the central point of flat board of holding between the fingers and press the gasbag, be connected with the hose pressing the gasbag with the air duct, be connected with the pressure post in the position that the air duct side is close to the top, set up the spacing spout with pressure post sliding connection on the connecting pipe surface, can press through pressing the post, make the air duct move down and insert the ventilation inslot, and cup joint the top at the needle body, then extrude and press the gasbag, come out biological sample through leading-in air to the needle body, prevent that part biological sample from remaining in the needle body, and need not to take place to take out the circumstances that the sample needle flies out and damage by throwing of sampling needle.
Drawings
FIG. 1 is a schematic diagram of the structure of the micro-rapid sampling needle for biological samples of the present utility model;
FIG. 2 is a schematic cross-sectional view of a micro-rapid sampling needle for biological samples according to the present utility model;
FIG. 3 is a schematic view of a first portion of the structure of the micro-rapid sampling needle for biological samples of the present utility model;
fig. 4 is a schematic view of a second partial structure of the micro rapid sampling needle for biological samples according to the present utility model.
Name corresponding to each label in the figure:
1. a sampling needle body; 11. a connecting seat; 12. a connecting pipe; 121. limiting sliding grooves; 13. a flat pinch plate; 14. a connecting plate; 141. a vent groove; 15. a needle body; 151. a capillary channel; 16. an air duct; 17. pressing the air bag; 18. a hose; 19. pressing the column; 2. a sample tube; 3. a silica gel clasp; 4. nucleic acid releasing agents.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
Embodiments of the utility model:
example 1
As shown in fig. 1-4, the utility model provides a micro rapid sampling needle for biological samples, which comprises a sampling needle main body 1 and a sample tube 2, wherein the bottom of the sample tube 2 is provided with a conical structure, the sampling needle main body 1 is in threaded connection with the sample tube 2, the sampling needle main body 1 comprises a connecting seat 11, the whole connecting seat 11 is provided with a hollow structure, the top of the connecting seat 11 is provided with an open structure, the inner bottom wall of the connecting seat 11 is fixedly provided with a connecting pipe 12, the top of the connecting pipe 12 is provided with a flat pinching plate 13, the bottom of the connecting seat 11 is connected with a connecting plate 14, a plurality of needle bodies 15 are arranged in the connecting plate 14 at positions close to the bottom, ventilation grooves 141 are formed in the positions of the surfaces of the connecting plate 14 corresponding to the top ends of the needle bodies 15, capillary channels 151 are formed in the needle bodies 15, an air duct 16 is arranged in the connecting pipe 12, the central position of the flat pinching plate 13 is provided with a pressing air bag 17, the pressing air bag 17 and the air duct 16 are connected with a hose 18, the position of the side surface of the air duct 16 close to the top is connected with a pressing column 19, the surface of the connecting pipe 12 is provided with a limiting chute 121 which is in sliding connection with the pressing column 19, the outer diameter of the needle body 15 is the same as the inner diameter of the air duct 16, the needle body 15 is in sliding sleeve joint with the air duct 16, the sample tube 2 is internally provided with a nucleic acid releasing agent 4, the number of the needle bodies 15 is three, the bottom end of the air duct 16 is provided with a multi-pipe mouth structure, after a biological sample is sucked into the capillary channel 151 by adopting the needle body 15 through capillary phenomenon, the sampling needle body 1 and the sample tube 2 are installed, then the pressing column 19 is pushed to enable the air duct 16 to move downwards to be inserted into the ventilation groove 141 to be sleeved with the needle body 15, then the pressing air bag 17 is pressed, the air is led into the capillary channel 151 to push the biological sample out, the pressing of the pressing air bag 17 can be repeatedly carried out, the nucleic acid releasing agent 4 is repeatedly introduced into the capillary channel 151 to wash, thereby further preventing the biological sample from remaining.
Example two
As shown in fig. 1 to 3, on the basis of the first embodiment of the present utility model: the external surface of connecting seat 11 is provided with the external screw thread, and the internal screw thread has been seted up to the position that sample tube 2 internal surface is close to the top, and the external screw thread of connecting seat 11 and the internal screw thread looks adaptation of sample tube 2, through such setting, can make the connection between sample needle main part 1 and the sample tube 2 more firm through the cooperation of internal screw thread and external screw thread, prevent that sample tube 2 from taking place to drop when using.
Example two
As shown in fig. 1 to 4, on the basis of the first embodiment of the present utility model: the first spacing through-hole has been seted up to the interior bottom wall of connecting seat 11, the second spacing through-hole that is linked together with the spread groove 141 has been seted up at connecting plate 14 top, first spacing through-hole is corresponding with the spacing through-hole of second, and first spacing through-hole and the spacing through-hole of second all with air duct 16 sliding connection, through such setting, the air duct 16 when passing through of being convenient for also playing the spacing effect of location, air duct 16 surface mounting has silica gel snap ring 20, set up the draw-in groove with silica gel snap ring 20 looks adaptation on the connecting pipe 12 inner wall, through the cooperation of silica gel snap ring 20 and draw-in groove, when not carrying out air duct 16 use, be convenient for carry out the fixation of air duct 16.
Claims (7)
1. A micro-rapid sampling needle for biological samples, which is characterized in that: including sampling needle main part (1) and sample pipe (2), sampling needle main part (1) and sample pipe (2) threaded connection, sampling needle main part (1) are including connecting seat (11), connecting seat (11) wholly set up to hollow structure, just connecting seat (11) top sets up to open structure, connecting seat (11) interior bottom wall is fixed with connecting pipe (12), connecting pipe (12) top is provided with flat pinch plate (13), connecting plate (14) are connected with in the bottom of connecting seat (11), be provided with a plurality of needle bodies (15) in the position that is close to the bottom in connecting plate (14), just connecting plate (14) surface has seted up ventilation groove (141) corresponding to the position on needle body (15) top, capillary pipeline (151) have been seted up in needle body (15), be provided with air duct (16) in connecting pipe (12), the central point of flat pinch plate (13) puts and is provided with presses gasbag (17), it is connected with hose (18) with air duct (16) to press down gasbag (17), the position that air duct (16) are close to the top (19) is provided with slide groove (121) and is pressed down on the surface (19), the outer diameter of the needle body (15) is the same as the inner diameter of the air duct (16), and the needle body (15) is in sliding sleeve joint with the air duct (16).
2. A microscale rapid sampling needle for biological samples according to claim 1, wherein: the external surface of the connecting seat (11) is provided with external threads, the position, close to the top, of the inner surface of the sample tube (2) is provided with internal threads, and the external threads of the connecting seat (11) are matched with the internal threads of the sample tube (2).
3. A microscale rapid sampling needle for biological samples according to claim 1, wherein: the connecting seat is characterized in that a first limiting through hole is formed in the inner bottom wall of the connecting seat (11), a second limiting through hole communicated with the ventilation groove (141) is formed in the top of the connecting plate (14), the first limiting through hole corresponds to the second limiting through hole, and the first limiting through hole and the second limiting through hole are both in sliding connection with the air duct (16).
4. A microscale rapid sampling needle for biological samples according to claim 1, wherein: the bottom of the sample tube (2) is provided with a conical structure.
5. A microscale rapid sampling needle for biological samples according to claim 1, wherein: the surface of the air duct (16) is fixedly provided with a silica gel snap ring (20), and the inner wall of the connecting pipe (12) is provided with a clamping groove matched with the silica gel snap ring (20).
6. A microscale rapid sampling needle for biological samples according to claim 1, wherein: a nucleic acid releasing agent (4) is arranged in the sample tube (2).
7. A microscale rapid sampling needle for biological samples according to claim 1, wherein: the number of the needle bodies (15) is three, and the bottom end of the air duct (16) is of a multi-pipe structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321490654.8U CN220188119U (en) | 2023-06-12 | 2023-06-12 | Be used for biological sample trace quick sampling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321490654.8U CN220188119U (en) | 2023-06-12 | 2023-06-12 | Be used for biological sample trace quick sampling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220188119U true CN220188119U (en) | 2023-12-15 |
Family
ID=89113877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321490654.8U Active CN220188119U (en) | 2023-06-12 | 2023-06-12 | Be used for biological sample trace quick sampling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220188119U (en) |
-
2023
- 2023-06-12 CN CN202321490654.8U patent/CN220188119U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20120132015A1 (en) | Method of Sampling Specimen, Test Method and Dropping Pipette and Specimen Sampler to be Used Therein | |
| CN105997156B (en) | Sampling swab capable of being used for full-automatic pretreatment | |
| CN205209809U (en) | Trace liquid sampling device application of sample device and blood sampling external member thereof | |
| CN107928711B (en) | Urine sampling device for urological department | |
| CN220188119U (en) | Be used for biological sample trace quick sampling needle | |
| WO2022032982A1 (en) | Swab sampling device | |
| CN106000497A (en) | Novel sucker and dropper kit | |
| JPH0274237A (en) | Universal joint for an injector | |
| CN203203815U (en) | Disposable asepsis dry resisting sampling device | |
| CN111970961A (en) | Infection detection system and method | |
| CN217202726U (en) | Aseptic biological sampling swab | |
| CN204924717U (en) | Sample test device and sampler thereof | |
| CN204855198U (en) | Quantitative sample thief of liquid sample trace | |
| CN211911632U (en) | Blood collector for clinical laboratory | |
| CN209377583U (en) | Blood collection tube and device for analyzing samples | |
| CN2887251Y (en) | Disposable tube attached blood-sampling needle | |
| CN207444953U (en) | A kind of anti-rebound needle holder | |
| CN210095779U (en) | Disposable auxiliary device for gynecological examination | |
| JP5187628B2 (en) | One-handed breast pump | |
| CN219147686U (en) | Bone marrow puncture needle fixing structure and bone marrow puncture needle device | |
| CN211603199U (en) | Sampling detection integrated device | |
| CN218865575U (en) | Quantitative sampling straw | |
| CN215688035U (en) | Urine receiving test tube convenient to use | |
| CN112763273A (en) | Split type urine sampling device | |
| CN216365106U (en) | Special many times sampling device of gynaecology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |