CN215272793U - Sampling device for blood gene detection experiment - Google Patents
Sampling device for blood gene detection experiment Download PDFInfo
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- CN215272793U CN215272793U CN202120413939.6U CN202120413939U CN215272793U CN 215272793 U CN215272793 U CN 215272793U CN 202120413939 U CN202120413939 U CN 202120413939U CN 215272793 U CN215272793 U CN 215272793U
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Abstract
The utility model discloses a be used for blood gene testing sampling device for experiments, including sample cylinder, spring and scale mark, the sample cylinder passes through column axle and head rod interconnect, and the head rod passes through column axle and clamp plate interconnect to the clamp plate passes through column axle and second connecting rod interconnect, and the second connecting rod passes through column axle and roof interconnect simultaneously, be fixed with the protruding pinion rack on the seal box, and the protruding pinion rack passes through column axle and sample cylinder interconnect, the scale mark sets up on the sample cylinder. This a sampling device for blood gene testing experiments adopts link mechanism to realize the extraction to blood, and can realize one-hand operation to make things convenient for medical personnel to fix patient's arm with the hand, avoid taking off the needle, can realize quantitative extraction through adjustment mechanism, avoid sample blood not enough and extravagant, cooperation automatic sealing mechanism can realize sealed effect, avoids blood to receive the pollution.
Description
Technical Field
The utility model relates to a blood detects technical field, specifically is a be used for blood gene to detect sampling device for experiments.
Background
Blood detection is a detection means frequently used in clinic, and relevant components and relevant genes in blood are analyzed to carry out detection and analysis so as to determine the disease condition of a patient, thereby providing beneficial basis and guarantee for subsequent treatment.
When carrying out blood detection to the patient, need sample patient's blood, blood collection system need be used, current blood collection system is mainly for simple cylinder form, when using, need medical personnel's both hands to operate, lead to inconvenient fixing patient's arm and make the easy needle that takes off in the sampling process, and when taking a sample through medical personnel, mainly observe the sample volume through the naked eye, inconvenient ration extraction carries out, cause blood sample not enough or extravagant, and gather the back syringe needle and expose outside, inconvenient sealing, lead to blood easily to receive external environment and pollute, so need improve traditional blood sampling system to the above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for blood gene to detect sampling device for experiments to propose among the above-mentioned background art inconvenient, inconvenient ration extraction sample and the inconvenient problem of sealing up the saving of carrying out.
In order to achieve the above object, the utility model provides a following technical scheme: a sampling device for blood gene detection experiments comprises a sampling needle cylinder, a spring and scale marks, wherein the sampling needle cylinder is connected with a first connecting rod through a columnar shaft, the first connecting rod is connected with a pressing plate through the columnar shaft, the pressing plate is connected with a second connecting rod through the columnar shaft, the second connecting rod is connected with a top plate through the columnar shaft, a movable rod is fixed on the top plate and connected with the sampling needle cylinder, a bottom plate is fixed at the tail end of the movable rod, a piston is fixed on the bottom plate, a positioning screw rod is arranged on the side edge of the bottom plate and connected with the sampling needle cylinder, the spring is fixed on the sampling needle cylinder, a pull rod is fixed on the spring and connected with a fixed rod through the columnar shaft, the fixed rod is fixed on a sealing box, and a convex toothed plate is fixed on the sealing box, and the convex toothed plate is connected with the sampling needle cylinder through the columnar shaft, a needle head is arranged in the sealing box and is connected with the sampling needle cylinder, and the scale marks are arranged on the sampling needle cylinder.
Preferably, the pressing plate and the first connecting rod form a rotating mechanism through the columnar shaft, and the pressing plate and the second connecting rod form a rotating mechanism through the columnar shaft.
Preferably, the movable rod is connected with the sampling needle cylinder in a sliding manner, and the length of the movable rod is smaller than that of the positioning screw rod.
Preferably, the positioning screw rod is in sliding connection with the top plate, and the positioning screw rod is in threaded connection with the sampling needle cylinder.
Preferably, the pull rod and the sampling needle cylinder form an elastic mechanism through a spring, and the pull rod and the fixed rod form a rotating mechanism through a cylindrical shaft.
Preferably, the convex toothed plates and the sampling needle cylinder form a rotating mechanism through a cylindrical shaft, and adjacent convex toothed plates are in meshed connection.
Compared with the prior art, the beneficial effects of the utility model are that: this a sampling device for blood gene testing experiments adopts link mechanism to realize the extraction to blood, and can realize one-hand operation to make things convenient for medical personnel to fix patient's arm with the hand, avoid taking off the needle, can realize quantitative extraction through adjustment mechanism, avoid sample blood not enough and extravagant, cooperation automatic sealing mechanism can realize sealed effect, avoids blood to receive the pollution.
1. Effect through first connecting rod, clamp plate, second connecting rod and roof makes medical personnel can realize one-hand sample operation to the convenience is fixed patient's arm, avoids taking a sample the in-process and takes off the needle.
2. Through the effect of spring, pull rod, dead lever and convex tooth board, can make the seal box carry out self-sealing to the syringe needle after accomplishing the sample to reduce the influence of external environment to blood, guarantee the accuracy of testing result.
Drawings
FIG. 1 is a schematic view of the front view structure of the sampling needle cylinder of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the front cross-sectional structure of the sampling needle cylinder of the present invention;
fig. 4 is a schematic view of the top view structure of the sampling needle cylinder of the present invention.
In the figure: 1. a sampling needle cylinder; 2. a first connecting rod; 3. pressing a plate; 4. a second connecting rod; 5. a top plate; 6. a movable rod; 7. a base plate; 8. a piston; 9. positioning a screw rod; 10. a spring; 11. a pull rod; 12. fixing the rod; 13. a sealing box; 14. a convex toothed plate; 15. a needle head; 16. scale lines are marked.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a sampling device for blood gene detection experiments comprises a sampling needle cylinder 1, a first connecting rod 2, a pressing plate 3, a second connecting rod 4, a top plate 5, a movable rod 6, a bottom plate 7, a piston 8, a positioning screw rod 9, a spring 10, a pull rod 11, a fixed rod 12, a sealing box 13, a convex toothed plate 14, a needle head 15 and scale marks 16, wherein the sampling needle cylinder 1 is mutually connected with the first connecting rod 2 through a columnar shaft, the first connecting rod 2 is mutually connected with the pressing plate 3 through the columnar shaft, the pressing plate 3 is mutually connected with the second connecting rod 4 through the columnar shaft, the second connecting rod 4 is mutually connected with the top plate 5 through the columnar shaft, the movable rod 6 is fixed on the top plate 5, the movable rod 6 is mutually connected with the sampling needle cylinder 1, the tail end of the movable rod 6 is fixedly provided with the bottom plate 7, the piston 8 is simultaneously fixedly arranged on the bottom plate 7, the side edge of the bottom plate 7 is provided with the positioning screw rod 9, and the positioning screw rod 9 is mutually connected with the sampling needle cylinder 1, spring 10 is fixed on sample cylinder 1, and is fixed with pull rod 11 on spring 10 to pull rod 11 passes through column axle and dead lever 12 interconnect, and dead lever 12 is fixed on seal box 13 simultaneously, is fixed with protruding pinion rack 14 on the seal box 13, and protruding pinion rack 14 passes through column axle and sample cylinder 1 interconnect, and is provided with syringe needle 15 in the seal box 13, syringe needle 15 and sample cylinder 1 interconnect simultaneously, and scale mark 16 sets up on sample cylinder 1.
The clamp plate 3 constitutes slewing mechanism through column axle and head rod 2, and clamp plate 3 constitutes slewing mechanism through column axle and second connecting rod 4, when taking a sample, through the rotation effect of head rod 2 and second connecting rod 4, realizes the transmission effect of power, is the basis of guaranteeing that whole device can realize one-hand operation.
Be sliding connection between movable rod 6 and the sample cylinder 1, and the length of movable rod 6 is less than positioning screw 9's length, when taking a sample, through positioning screw 9's injecion, realizes the ration sampling effect, avoids taking a sample the blood volume not enough or cause the blood extravagant.
Be sliding connection between positioning screw 9 and roof 5, and be threaded connection between positioning screw 9 and the sample cylinder 1, when taking a sample, realize the location through the threaded connection effect between positioning screw 9 and the sample cylinder 1 and adjust, guarantee the normal use of device through the sliding connection between positioning screw 9 and the roof 5.
Protruding pinion rack 14 constitutes slewing mechanism through column axle and sample cylinder 1, and is connected for the meshing between the adjacent protruding pinion rack 14, when sealing up, through the meshing effect between the adjacent protruding pinion rack 14 and the rotation effect of protruding pinion rack 14, guarantees that seal box 13 can normally open and close, realizes sealed effect.
The working principle is as follows: as shown in fig. 1-4, when the sampling device for blood gene detection experiments is used, firstly, the positioning screw 9 is rotated, the quantitative limit function of a blood sample is realized through the action of the positioning screw 9 and the scale marks 16, then, the sampling needle cylinder 1 is held, the pull rod 11 is pulled, the pull rod 11 slides on the sampling needle cylinder 1, the fixing rod 12 is further driven to move and rotate, the sealing boxes 13 are driven to rotate through the transmission function of the fixing rod 12, the convex toothed plates 14 are further driven to rotate, and the adjacent sealing boxes 13 are reversely rotated through the meshing function between the convex toothed plates 14, so that the needle heads 15 are completely exposed, and sampling is convenient;
the needle head 15 is inserted into the blood vessel of the patient, the arm of the patient is fixed by the hand, the needle is prevented from falling off due to shaking of the patient, the pressing plate 3 is pressed, the top plate 5 is driven to move through the transmission action of the first connecting rod 2 and the second connecting rod 4, thereby driving the movable rod 6 to move and further driving the bottom plate 7 and the piston 8 to move, when the piston 8 moves, blood sampling is realized under the action of air pressure, when the bottom plate 7 is contacted with the tail end of the positioning screw rod 9, the bottom plate 7 is blocked, quantitative sampling is realized, after sampling is finished, the needle head 15 is pulled out, the pull rod 11 is released, make pull rod 11 resume the normal position under spring 10's effect, according to above-mentioned principle, and then drive seal box 13 and resume the normal position, realize the sealed effect to syringe needle 15, avoid blood sample to suffer the pollution, this is exactly this a theory of operation for sampling device for blood gene testing experiments.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a be used for blood gene testing sampling device for experiments, includes sample cylinder (1), spring (10) and scale mark (16), its characterized in that: the sampling syringe (1) is connected with the first connecting rod (2) through a columnar shaft, the first connecting rod (2) is connected with the pressing plate (3) through the columnar shaft, the pressing plate (3) is connected with the second connecting rod (4) through the columnar shaft, the second connecting rod (4) is connected with the top plate (5) through the columnar shaft, the top plate (5) is fixed with a movable rod (6), the movable rod (6) is connected with the sampling syringe (1), the tail end of the movable rod (6) is fixed with a bottom plate (7), a piston (8) is fixed on the bottom plate (7), the side edge of the bottom plate (7) is provided with a positioning screw rod (9), the positioning screw rod (9) is connected with the sampling syringe (1), the spring (10) is fixed on the sampling syringe (1), a pull rod (11) is fixed on the spring (10), and the pull rod (11) is connected with a fixed rod (12) through the columnar shaft, dead lever (12) are fixed on seal box (13) simultaneously, be fixed with convex toothed plate (14) on seal box (13), and convex toothed plate (14) are through column axle and sample cylinder (1) interconnect to be provided with syringe needle (15) in seal box (13), syringe needle (15) and sample cylinder (1) interconnect simultaneously, scale mark (16) set up on sample cylinder (1).
2. The sampling device for blood gene test experiments as claimed in claim 1, wherein: the pressing plate (3) and the first connecting rod (2) form a rotating mechanism through the columnar shaft, and the pressing plate (3) and the second connecting rod (4) form the rotating mechanism through the columnar shaft.
3. The sampling device for blood gene test experiments as claimed in claim 1, wherein: the movable rod (6) is in sliding connection with the sampling needle cylinder (1), and the length of the movable rod (6) is smaller than that of the positioning screw rod (9).
4. The sampling device for blood gene test experiments as claimed in claim 1, wherein: the positioning screw rod (9) is in sliding connection with the top plate (5), and the positioning screw rod (9) is in threaded connection with the sampling needle cylinder (1).
5. The sampling device for blood gene test experiments as claimed in claim 1, wherein: the pull rod (11) and the sampling needle cylinder (1) form an elastic mechanism through a spring (10), and the pull rod (11) and the fixed rod (12) form a rotating mechanism through a columnar shaft.
6. The sampling device for blood gene test experiments as claimed in claim 1, wherein: the convex toothed plates (14) form a rotating mechanism with the sampling needle cylinder (1) through a cylindrical shaft, and adjacent convex toothed plates (14) are connected in a meshed mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120413939.6U CN215272793U (en) | 2021-02-25 | 2021-02-25 | Sampling device for blood gene detection experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120413939.6U CN215272793U (en) | 2021-02-25 | 2021-02-25 | Sampling device for blood gene detection experiment |
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| Publication Number | Publication Date |
|---|---|
| CN215272793U true CN215272793U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120413939.6U Active CN215272793U (en) | 2021-02-25 | 2021-02-25 | Sampling device for blood gene detection experiment |
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| Country | Link |
|---|---|
| CN (1) | CN215272793U (en) |
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2021
- 2021-02-25 CN CN202120413939.6U patent/CN215272793U/en active Active
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