CN214284924U - Sampler for blood detection - Google Patents
Sampler for blood detection Download PDFInfo
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- CN214284924U CN214284924U CN202022791854.XU CN202022791854U CN214284924U CN 214284924 U CN214284924 U CN 214284924U CN 202022791854 U CN202022791854 U CN 202022791854U CN 214284924 U CN214284924 U CN 214284924U
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Abstract
The utility model discloses a sample thief is used in blood detection, concretely relates to medical instrument technical field, including pressure pipe, sampling pipe and syringe needle pipe, the both ends of sampling pipe are connected with first solenoid and second solenoid respectively, the one end that the pressure pipe is close to the sampling pipe is equipped with the first connecting pipe of pegging graft in first solenoid, the one end that the pressure pipe was kept away from to the sampling pipe is equipped with adjusting part, syringe needle pipe passes through adjusting part demountable installation on the second solenoid of sampling pipe, the inside of pressure pipe and sampling pipe is equipped with first piston and second piston respectively. The utility model discloses after the completion is sampled blood, at the in-process that shifts, blood can not contact with the air, can not cause the different appearance change of blood composition for the result of detection is more accurate, and simple structure is convenient for operate simultaneously.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically say, the utility model relates to a sample thief is used in blood detection.
Background
Blood tests are one of the most basic test methods, and refer to tests for determining conditions such as anemia, cholesterol, diabetes, various infections, renal function, calcium, liver function, blood diseases, and physical abnormalities in a human body by blood analysis. It is one of the most common test contents in hospitals. Blood tests are prescribed by orders and physicians use the test results to clarify or support diagnosis, supervise or determine treatment and screen for undetermined disease conditions.
At present, a disposable syringe is generally adopted to sample blood of a patient, the blood is transferred to a storage container after sampling, the blood is easily contacted with air in the transferring process, and the content of oxygen, carbon dioxide and the like in the blood is inconsistent with the content of the air, so that the blood component changes, and the detection result is not accurate enough.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a sample thief for blood detection, includes pressure pipe, sampling pipe and syringe needle pipe, the both ends of sampling pipe are connected with first solenoid and second solenoid respectively, the one end that the pressure pipe is close to the sampling pipe is equipped with the first connecting pipe of pegging graft in first solenoid, the one end that the pressure pipe was kept away from to the sampling pipe is equipped with adjusting part, syringe needle pipe passes through adjusting part demountable installation on the second solenoid of sampling pipe, the inside of pressure pipe and sampling pipe is equipped with first piston and second piston respectively.
In a preferred embodiment, a piston rod is connected to the first piston, said piston rod extending away from the sampling tube and through the pressure tube to the outside of the pressure tube.
In a preferred embodiment, the first piston and the second piston are both covered by rubber cushion layers, and the interior of the pressure tube is communicated with the interior of the sampling tube through a first connecting tube and a second spiral tube.
In a preferred embodiment, the adjustment assembly comprises a second connecting tube, a seal for sealing the second connecting tube and a third solenoid mounted to the end of the needle cannula.
In a preferred embodiment, one end of the second connection pipe is detachably inserted into the second coil by a screw thread, and the other end of the second connection pipe is detachably inserted into the third coil by a screw thread.
In a preferred embodiment, the length and inner diameter of the sampling tube are smaller than those of the pressure tube, and the ends of the first, second and third coils are provided with sealing rubber rings.
The utility model discloses a technological effect and advantage: the utility model discloses after the completion is sampled blood, at the in-process that shifts, blood can not contact with the air, can not cause the different appearance change of blood composition for the result of detection is more accurate, and simple structure is convenient for operate simultaneously.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of a sampling tube and an adjusting assembly of the present invention.
The reference signs are: the device comprises a pressure pipe 1, a sampling pipe 2, a needle pipe 3, a first screw pipe 4, a second screw pipe 5, a first connecting pipe 6, a regulating assembly 7, a first piston 8, a second piston 9, a piston rod 10, a rubber cushion layer 11, a second connecting pipe 12, a sealing element 13, a third screw pipe 14 and a sealing rubber ring 15.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
The sampler for blood detection as shown in fig. 1-2 comprises a pressure tube 1, a sampling tube 2 and a needle tube 3, wherein two ends of the sampling tube 2 are respectively connected with a first solenoid 4 and a second solenoid 5, one end of the pressure tube 1 close to the sampling tube 2 is provided with a first connecting tube 6 inserted in the first solenoid 4, one end of the sampling tube 2 far away from the pressure tube 1 is provided with an adjusting component 7, the needle tube 3 is detachably mounted on the second solenoid 5 of the sampling tube 2 through the adjusting component 7, and the adjusting component 7 is used for changing the connection state between the sampling tube 2 and the needle tube 3;
the pressure tube 1 and the sampling tube 2 are respectively provided with a first piston 8 and a second piston 9 inside, during the use process, the needle tube 3 is inserted under the skin of a patient, the first piston 8 in the pressure tube 1 moves to generate negative pressure, and blood is sucked into the sampling tube 2 from the needle tube 3.
The first piston 8 is connected with a piston rod 10, the piston rod 10 extends to one side far away from the sampling tube 2 and extends to the outside of the pressure tube 1 through the pressure tube 1, a user drives the first piston 8 to move in the pressure tube 1 by pushing the piston rod 10, and the air pressure in the pressure tube 1 is changed to generate suction force or thrust force;
the rubber cushion layers 11 are wrapped outside the first piston 8 and the second piston 9, the pressure pipe 1 is communicated with the inside of the sampling pipe 2 through the first connecting pipe 6 and the second solenoid 5, and the rubber cushion layers 11 are used for improving the sealing performance of the piston part at the connecting part of the pressure pipe 1 and the sampling pipe 2;
the adjusting assembly 7 comprises a second connecting pipe 12, a sealing piece 13 for sealing the second connecting pipe 12 and a third screw 14, the third screw 14 is mounted at the end of the needle tube 3, one end of the second connecting pipe 12 is detachably inserted into the second screw 5 through a screw thread, and the other end of the second connecting pipe 12 is detachably inserted into the third screw 14 through a screw thread, during the use process, the second connecting pipe 12 can be detached from the second screw 5 on the sampling tube 2, and the needle tube 3 can be partially detached from the second connecting pipe 12, namely the modular design is convenient for mounting, detaching and cleaning;
the length and the inner diameter of the sampling tube 2 are both smaller than those of the pressure tube 1, when the pressure tube 1 sucks blood pressure from the needle tube 3 to the sampling tube 2 by using negative pressure, the interior of the sampling tube 2 can be filled, so that the phenomenon of insufficient pressure is avoided, and the sealing rubber rings 15 are arranged at the end parts of the first solenoid 4, the second solenoid 5 and the third solenoid 14, so that the sealing performance of the connecting part is ensured;
when the sampling device is used, the movable piston rod 10 drives the first piston 8 to move in the pressure pipe 1, the pressure pipe 1 generates suction force, the second piston 9 in the sampling pipe 2 moves towards one side of the pressure pipe 1, negative pressure is generated in the sampling pipe 2, and blood is sucked into the sampling pipe 2 from the needle pipe 3 and the second connecting pipe 12;
after the blood collection is finished, the sealing element 13 is closed, the blood is stored in the sampling tube 2, the third spiral tube 14 is detached from the second connecting tube 12, the needle tube 3 is detached, the first spiral tube 4 at the other end of the sampling tube 2 is detached from the first connecting tube 6, the sampling tube 2 filled with the blood is detached for detection, and meanwhile, other sampling tubes 2 are replaced for blood sampling;
this kind of structure and blood sampling's mode, at the in-process that shifts, blood can not contact with the air, can not cause the different change of blood composition for the result of detection is more accurate, and simple structure is convenient for operate simultaneously.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.
Claims (6)
1. A sampler for blood test is characterized in that: including pressure pipe, sampling pipe and syringe needle pipe, the both ends of sampling pipe are connected with first solenoid and second solenoid respectively, the one end that the pressure pipe is close to the sampling pipe is equipped with the first connecting pipe of pegging graft in first solenoid, the one end that the pressure pipe was kept away from to the sampling pipe is equipped with adjusting part, syringe needle pipe passes through adjusting part demountable installation on the second solenoid of sampling pipe, the inside of pressure pipe and sampling pipe is equipped with first piston and second piston respectively.
2. The sampler for blood test according to claim 1, characterized in that: the sampling device is characterized in that a piston rod is connected to the first piston, and the piston rod extends to one side far away from the sampling tube and penetrates through the pressure tube to extend to the outside of the pressure tube.
3. The sampler for blood test according to claim 1, characterized in that: the outside of first piston and second piston all wraps up there is the rubber cushion, the inside intercommunication through first connecting pipe and second screwed pipe and sampling pipe of pressure pipe.
4. The sampler for blood test according to claim 1, characterized in that: the adjusting assembly comprises a second connecting pipe, a sealing piece used for sealing the second connecting pipe and a third solenoid, and the third solenoid is installed at the end part of the needle tube.
5. The sampler for blood test according to claim 4, wherein: one end of the second connecting pipe is detachably inserted in the second spiral pipe through threads, and the other end of the second connecting pipe is detachably inserted in the third spiral pipe through threads.
6. The sampler for blood test according to claim 1, characterized in that: the length and the internal diameter of sampling pipe all are less than the length and the internal diameter of pressure pipe, the tip of first solenoid, second solenoid and third solenoid all is equipped with sealed rubber circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022791854.XU CN214284924U (en) | 2020-11-27 | 2020-11-27 | Sampler for blood detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022791854.XU CN214284924U (en) | 2020-11-27 | 2020-11-27 | Sampler for blood detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214284924U true CN214284924U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022791854.XU Active CN214284924U (en) | 2020-11-27 | 2020-11-27 | Sampler for blood detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214284924U (en) |
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2020
- 2020-11-27 CN CN202022791854.XU patent/CN214284924U/en active Active
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