CN109793538A - A kind of tissue fluid puncture sampler - Google Patents
A kind of tissue fluid puncture sampler Download PDFInfo
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- CN109793538A CN109793538A CN201910182340.3A CN201910182340A CN109793538A CN 109793538 A CN109793538 A CN 109793538A CN 201910182340 A CN201910182340 A CN 201910182340A CN 109793538 A CN109793538 A CN 109793538A
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- China
- Prior art keywords
- probe tube
- tissue fluid
- motor
- sampler
- punctures
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Abstract
The present invention relates to field of mechanical technique, specially a kind of tissue fluid punctures sampler, including probe tube, probe tube is internally provided with power device, the nose threads of probe tube are connected with front cover, and one end of front cover is plugged with syringe needle, and one end of syringe needle is socketed with sampling bag, partition is equipped at the bosom of probe tube, the inner wall of probe tube offers thread groove, and power device includes motor, and one end of motor is welded with pull rod, convex block is equipped with below the welding ends of pull rod, the bottom side of motor is bonded with slide.The present invention makes it into sampling bag in extracting interstitial fluid, further takes out sampling bag and puts on CAP NUTS, area to be checked can be put into, it will not contact probe tube, avoid wasting, by pressing lower switch starter motor, slide convex block along thread groove, piston displacement is driven, makes to generate negative pressure inside probe tube front end, enters tissue fluid in sampling bag, realize that sampling, sampling are easy to be laborsaving.
Description
Technical field
The present invention relates to field of mechanical technique, specially a kind of tissue fluid punctures sampler.
Background technique
Tissue fluid is the liquid also known as intercellular washing fluids being present between cell.Tissue fluid is that ordinary cells are directly lived
Liquid environment, can with cell carry out mass exchange.It needs to extract sampling in clinic and be checked, after common syringe extracts
In injecting tube, so that syringe is discarded, cause to waste, and long-time manual withdrawal makes finger stiffness and arm acid swollen
Etc. inadaptable reaction.In consideration of it, it is proposed that a kind of tissue fluid punctures sampler.
Summary of the invention
The purpose of the present invention is to provide a kind of tissue fluid to puncture sampler, mentioned above in the background art to solve
Syringe is discarded after extracting generates cost of idleness, and manual withdrawal easily causes uncomfortable the problem of reacting.
To achieve the above object, the invention provides the following technical scheme:
A kind of tissue fluid punctures sampler, including probe tube, and the probe tube is internally provided with power device, described
The rear end of probe tube is threaded with rear cover, and the bottom side of the probe tube is fixed with switch by screw, before the probe tube
End is threaded with front cover, and one end of the front cover is plugged with syringe needle, and one end of the syringe needle is socketed with sampling bag, the sampling
The top side of pipe offers stomata, takes at the bosom of the probe tube equipped with partition, the side of the partition and positioned at described
The inner wall of sample pipe offers thread groove, and the inside of the probe tube symmetrically offers sliding slot, and the power device includes motor, institute
The one end for stating motor is welded with pull rod, and convex block is equipped with below the welding ends of the pull rod, and the convex block and the thread groove slide
Connection, the other end of the pull rod have closely bonded piston, and the bottom side of the motor is bonded with slide, outside the both ends of the slide
Side is equipped with sliding block, and the sliding block is slidably connected with the sliding slot.
Preferably, the probe tube is in a tubular form and inside by the partition is divided into two insulating spaces.
Preferably, the inside of the rear cover is bonded with lithium battery, and the lithium battery, the switch and the motor successively lead to
Cross conducting wire electric connection.
Preferably, the stomata is equal with the stroke of the piston at a distance from the probe tube front end.
Preferably, the pull rod and the partition grafting.
Preferably, the outer diameter of the piston is greater than the internal diameter of the probe tube, the inside of the piston and the probe tube
It is slidably connected.
Compared with prior art, beneficial effects of the present invention:
1, the tissue fluid punctures sampler, is made by being provided with sampling bag inside probe tube in extracting interstitial fluid
It enters in sampling bag, backs out front cover, further takes out sampling bag and put on CAP NUTS, can be put into area to be checked, will not contact probe tube,
It avoids wasting, to save medical treatment cost.
2, the tissue fluid punctures sampler, by being provided with power device in probe tube, by lower switch, keeps motor logical
Electricity just drives pull rod rotation, and convex block is slided along thread groove, so that motor displacement, drives piston displacement, make probe tube front end
Inside generates negative pressure, enters tissue fluid in sampling bag, realizes that sampling, sampling are easy to be laborsaving.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is probe tube exploded view of the invention；
Fig. 3 is sampling bag structural schematic diagram of the invention；
Fig. 4 is probe tube mounted inside structural schematic diagram of the invention；
Fig. 5 is probe tube view in full section of the invention；
Fig. 6 is power device exploded view of the invention；
Fig. 7 is that lithium battery of the invention, switch with motor connect circuit diagram.
In figure: 1, probe tube；10, rear cover；100, lithium battery；11, it switchs；12, front cover；13, syringe needle；14, sampling bag；
140, CAP NUTS；15, stomata；16, partition；17, thread groove；18, sliding slot；2, power device；20, motor；21, pull rod；210, convex
Block；22, piston；23, slide；230, sliding block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention, in addition in the description of the present invention, " severals' "
It is meant that two or more, unless otherwise specifically defined.
Embodiment 1
A kind of tissue fluid puncture sampler, in order to save medical treatment cost, the present inventor is provided with probe tube 1, as one
A preferred embodiment, as shown in Figure 1, Figure 2 and Figure 3, including probe tube 1, probe tube 1 are internally provided with power device 2, sampling
The rear end of pipe 1 is threaded with rear cover 10, and the bottom side of probe tube 1 is fixed with switch 11, the nose threads of probe tube 1 by screw
It is connected with front cover 12, one end of front cover 12 is plugged with syringe needle 13, and one end of syringe needle 13 is socketed with sampling bag 14, the top of probe tube 1
Side offers stomata 15, and partition 16, the side of partition 16 and the inner wall for being located at probe tube 1 are equipped at the bosom of probe tube 1
Thread groove 17 is offered, the inside of probe tube 1 symmetrically offers sliding slot 18.
In the present embodiment, probe tube 1 uses PP material, that is, polypropylene, and light, good toughness and intensity is firm is prolonged resistance to
With sampling bag 14 is made of PE, and is furnished with CAP NUTS 140, and is hard tubular port at top end opening, convenient for being affectedly bashful and using bag
Cap 140 blocks.
Specifically, probe tube 1 in a tubular form and it is internal two insulating spaces are divided by partition 16, before front cover 12 and probe tube 1
It is lined with sealing ring between end, keeps it internal in sealing state, mobile when piston 22 can make its internal formation negative pressure.
Further, the inside of rear cover 10 is bonded with lithium battery 100, and lithium battery 100, switch 11 and motor 20 pass sequentially through
Conducting wire is electrically connected, wherein switch 11 and the positive and negative electric connection of the use of motor 20, enable 20 positive and negative rotation of motor, enable piston 22
Stretching can contract.
It is worth noting that it is raw using Shenzhen Longhua District Fu Chenghongjie Electronics Factory to be related to lithium battery 100 in the present invention
The model HTC1320 cylinder type lithium battery of production, matched circuit and power supply can also be provided by this producer；In addition, of the invention
In be related to circuit and electronic component and module is the prior art, those skilled in the art may be implemented completely, be not necessarily to
Superfluous words, the content that the present invention protects are not related to improving the structure and working principle of lithium battery 100 yet.
It is worth noting that it is raw up to electronic tool firm using Longgang District of Shenzhen City Bandung to be related to switch 11 in the present invention
The positive and negative switch of production, matched circuit and power supply can also be provided by this producer；In addition, being related to circuit and electronics in the present invention
Component and module are the prior art, and those skilled in the art may be implemented completely, are not necessarily to superfluous words, and the present invention protects interior
Hold and is not also related to improving the structure and working principle of switch 11.
Embodiment 2
As second of embodiment of the invention, in order to which extracting interstitial fluid is laborsaving convenient, the present inventor fills provided with power
Set 2, as a preferred embodiment, as shown in Figure 4, Figure 5, Figure 6 and Figure 7, power device 2 include motor 20, the one of motor 20
End is welded with pull rod 21, is equipped with convex block 210 below the welding ends of pull rod 21, convex block 210 is slidably connected with thread groove 17, pull rod 21
The other end closely bonded piston 22, the bottom side of motor 20 is bonded with slide 23, is equipped with sliding block on the outside of the both ends of slide 23
230, sliding block 230 is slidably connected with sliding slot 18.
In the present embodiment, slide 23 uses PP material, that is, polypropylene, and light, good toughness and intensity is firm is durable,
Piston 22 is made of rubber, good airproof performance.
Specifically, stomata 15 is equal with the stroke of piston 22 at a distance from 1 front end of probe tube, so that piston 22 is moved to gas
When hole 15, sampling bag 14 has been filled with tissue fluid, and stomata 15 exposes at this time, into air, piston 22 is avoided to be gone back by atmosphere extrusion,
The tissue fluid of sampling bag 14 is caused to be forced out.
Further, pull rod 21 and 16 grafting of partition, partition 16 play guiding and supporting role to pull rod 21.
In addition to this, the outer diameter of piston 22 is greater than the internal diameter of probe tube 1, and piston 22 is connect with the internal slide of probe tube 1,
So that better tightness.
It is worth noting that being related to motor 20 in the present invention using the model of Shantou City Bai Hao Science and Technology Ltd. production
For X800 clockwise and anticlockwise motor motor, matched circuit and power supply can also be provided by this producer；In addition, being related to electricity in the present invention
Road and electronic component and module are the prior art, and those skilled in the art may be implemented completely, are not necessarily to superfluous words, the present invention
The content of protection is not related to improving the structure and working principle of motor 20 yet.
Tissue fluid of the invention punctures sampler when in use, by 11 button of pull switch forward, makes motor 20 just
Turn, convex block 210 is driven to rotate in thread groove 17 clockwise, so that motor 20 moves forward, i.e., sliding block 230 moves in sliding slot 18,
So that the air of 1 front of probe tube is discharged in piston 22, then it is inserted into syringe needle 13 in tissue, backward 11 button of pull switch, so that
Motor 20 inverts, and drives convex block 210 to rotate in thread groove 17 counterclockwise, so that motor 20 moves back, so that after piston 22
It moves, so that 1 front of probe tube forms negative pressure, tissue fluid enters in sampling bag 14, when piston 22 moves to stomata 15, sampling bag 14
It has been filled with, 1 front of probe tube enters air at this time, its internal negative pressure is made to disappear, and avoids piston 22 from bouncing back, backs out front cover at this time
12, it pulls up sampling bag 14 and covers CAP NUTS 140, be put into area to be checked, the sampling of this device is convenient laborsaving and hygienic, also saves doctor
Treat cost.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (6)
1. a kind of tissue fluid punctures sampler, it is characterised in that: including probe tube (1), the inside of the probe tube (1) is arranged
The rear end of dynamic device (2), the probe tube (1) is threaded with rear cover (10), and the bottom side of the probe tube (1) passes through spiral shell
Nail is fixed with switch (11), and the nose threads of the probe tube (1) are connected with front cover (12), one end grafting of the front cover (12)
Have syringe needle (13), one end of the syringe needle (13) is socketed with sampling bag (14), and the top side of the probe tube (1) offers stomata
(15), equipped with partition (16), the side of the partition (16) and positioned at the probe tube at the bosom of the probe tube (1)
(1) inner wall offers thread groove (17), and the inside of the probe tube (1) symmetrically offers sliding slot (18), the power device
It (2) include motor (20), one end of the motor (20) is welded with pull rod (21), is equipped with below the welding ends of the pull rod (21)
Convex block (210), the convex block (210) are slidably connected with the thread groove (17), and the other end of the pull rod (21) closely bonds
Have piston (22), the bottom side of the motor (20) is bonded with slide (23), and sliding block is equipped on the outside of the both ends of the slide (23)
(230), the sliding block (230) is slidably connected with the sliding slot (18).
2. tissue fluid according to claim 1 punctures sampler, it is characterised in that: the probe tube (1) in a tubular form and
Inside is divided into two insulating spaces by the partition (16).
3. tissue fluid according to claim 1 punctures sampler, it is characterised in that: the inside of the rear cover (10) is bonded
Have lithium battery (100), the lithium battery (100), the switch (11) and the motor (20) pass sequentially through conducting wire electric connection.
4. tissue fluid according to claim 1 punctures sampler, it is characterised in that: the stomata (15) and the sampling
The distance for managing (1) front end is equal with the stroke of the piston (22).
5. tissue fluid according to claim 1 punctures sampler, it is characterised in that: the pull rod (21) and the partition
(16) grafting.
6. tissue fluid according to claim 1 punctures sampler, it is characterised in that: the outer diameter of the piston (22) is greater than
The internal diameter of the probe tube (1), the piston (22) connect with the internal slide of the probe tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182340.3A CN109793538A (en) | 2019-03-11 | 2019-03-11 | A kind of tissue fluid puncture sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182340.3A CN109793538A (en) | 2019-03-11 | 2019-03-11 | A kind of tissue fluid puncture sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109793538A true CN109793538A (en) | 2019-05-24 |
Family
ID=66562662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910182340.3A Pending CN109793538A (en) | 2019-03-11 | 2019-03-11 | A kind of tissue fluid puncture sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109793538A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110236598A (en) * | 2019-06-17 | 2019-09-17 | 上海市同济医院 | Experimental animal body fluid acquires needle assemblies |
| CN112961763A (en) * | 2021-02-05 | 2021-06-15 | 重庆三峡学院 | Sampling device for regular detection of microorganisms |
-
2019
- 2019-03-11 CN CN201910182340.3A patent/CN109793538A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110236598A (en) * | 2019-06-17 | 2019-09-17 | 上海市同济医院 | Experimental animal body fluid acquires needle assemblies |
| CN112961763A (en) * | 2021-02-05 | 2021-06-15 | 重庆三峡学院 | Sampling device for regular detection of microorganisms |
| CN112961763B (en) * | 2021-02-05 | 2024-01-09 | 重庆三峡学院 | Sampling device for periodic detection of microorganisms |
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