CN208297187U - It is a kind of to facilitate the physician's liquid taking device for extracting blood - Google Patents
It is a kind of to facilitate the physician's liquid taking device for extracting blood Download PDFInfo
- Publication number
- CN208297187U CN208297187U CN201820740450.8U CN201820740450U CN208297187U CN 208297187 U CN208297187 U CN 208297187U CN 201820740450 U CN201820740450 U CN 201820740450U CN 208297187 U CN208297187 U CN 208297187U
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- China
- Prior art keywords
- push
- pull rod
- syringe
- groove
- piston
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- 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.)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
It is a kind of to facilitate the physician's liquid taking device for extracting blood, including syringe and syringe needle, the inside of the syringe is separately installed with piston and fixed column, the piston and fixed column are embedded in the inside for being set to syringe, and the piston and syringe clearance fit, the side of the piston is equipped with push-pull rod and is equipped with the first groove, screw thread is installed in the middle part of the push-pull rod, the fixed column is internally threaded hole, the push-pull rod runs through the center of fixed column and is threaded into threaded hole, one end of the push-pull rod is equipped with knob, can be convenient turning knob rotates screw thread in threaded hole, so that push-pull rod pushes piston to move reciprocatingly, it is replaced pulling or pushing push-pull rod with turning knob, such design is more laborsaving, and push-pull rod can be made to move slower by the rotation of knob, this sample prescription Just medical staff controls the amount for extracting blood according to the data on graduation apparatus, so that extracted amount is more accurate.
Description
Technical field
It is specially a kind of to facilitate the physician for extracting blood with taking liquid to fill the utility model relates to field of medical technology
It sets.
Background technique
For medical worker when carrying out blood testing to patient, often blood routine examination generallys use liquid taking device to disease
The blood of people extracts.
Existing to facilitate the physician's liquid taking device for extracting blood, medical staff is by pulling or pushing push-pull rod
Movement, it is relatively elaborate, and pulling or promotion cannot control blood extracted amount well, using effect is bad.
So how to design a kind of physician's liquid taking device for facilitating and extracting blood, becoming us will currently be solved
The problem of.
Summary of the invention
The purpose of this utility model is to provide a kind of physician's liquid taking devices for facilitating extraction blood, on solving
State the problem of proposing in background technique.
To achieve the above object, the utility model provides the following technical solutions: a kind of to facilitate the physician for extracting blood
With liquid taking device, including syringe and syringe needle, the inside of the syringe is separately installed with piston and fixed column, the piston and fixation
Column is embedded in the inside for being set to syringe, and the piston and syringe clearance fit, and the fixed column and syringe are interference fitted, institute
The side for stating piston is equipped with push-pull rod and is equipped with the first groove, and the first groove insertion is set to the inside of piston, described
One end of push-pull rod is equipped with tenon, and the tenon and push-pull rod melting are fixed, and the tenon insertion is set to the first groove
Inside, and cooperate with the first groove gap, screw thread is installed in the middle part of the push-pull rod, the fixed column is internally threaded
Hole, the push-pull rod run through the center of fixed column and are threaded into threaded hole, and one end of the push-pull rod is equipped with rotation
Button, the side of the knob are equipped with the second groove, and the push-pull rod insertion is set to the inside of the second groove, and with the second groove
Interference fit, the side of the syringe is equipped with connecting tube, and the connecting tube is connected with syringe, the side peace of the connecting tube
Equipped with syringe needle, the connecting tube insertion is set to the side of syringe needle, and cooperates with needle space.
Further, the outer surface of the syringe is equipped with graduation apparatus, and the graduation apparatus is evenly distributed.
Further, first groove, the second groove and tenon are cylinder.
Further, the diameter of first groove is slightly larger than the diameter of tenon, and the diameter of second groove is slightly larger than
The diameter of push-pull rod.
Further, the side of the syringe needle is equipped with pinhead sleeve, and the syringe needle nesting is set to the inside of pinhead sleeve.
Compared with prior art, the utility model has the beneficial effects that this kind facilitates the physician for extracting blood with taking
Liquid device, by being equipped with screw thread in the middle part of the push-pull rod, the fixed column is internally threaded hole, and the push-pull rod passes through
It fastens the center of fixed column and is threaded into threaded hole, one end of the push-pull rod is equipped with knob, can be convenient rotation
Knob rotates screw thread in threaded hole, so that push-pull rod pushes piston to move reciprocatingly, is replaced with turning knob
Pull or push push-pull rod, such design is more laborsaving, and by the rotation of knob can make push-pull rod move compared with
Slowly so that it is convenient to which medical staff controls the amount for extracting blood according to the data on graduation apparatus, so that extracted amount is more accurate, and
Present apparatus structure is simple, easy to operate.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the syringe longitudinal sectional view of the utility model；
Fig. 3 is the piston partial structural diagram of the utility model；
Fig. 4 is the knob partial structural diagram of the utility model.
In figure: 1- syringe；2- fixed column；3- push-pull rod；4- knob；5- piston；6- connecting tube；7- syringe needle；8- pinhead sleeve；
9- graduation apparatus；10- tenon；11- screw thread；The first groove of 12-；The second groove of 13-；14- threaded hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of to facilitate the physician for extracting blood with taking
Liquid device, including syringe 1 and syringe needle 7, the inside of the syringe 1 are separately installed with piston 5 and fixed column 2, the piston 5 and solid
Fixed column 2 is embedded in the inside for being set to syringe 1, and the piston 5 and 1 clearance fit of syringe, the fixed column 2 and 1 mistake of syringe
It is full of cooperation, the side of the piston 5 is equipped with push-pull rod 3 and is equipped with the first groove 12, and the insertion of the first groove 12 is set to
The inside of piston 5, one end of the push-pull rod 3 are equipped with tenon 10, and the tenon 10 is fixed with the melting of push-pull rod 3, described convex
Tenon 10, which is embedded in, is set to the inside of the first groove 12, and with 12 clearance fit of the first groove, the middle part of the push-pull rod 3 is equipped with
Screw thread 11, the fixed column 2 are internally threaded hole 14, and the push-pull rod 3 runs through the center of fixed column 2 and passes through screw thread 11
In precession threaded hole 14, one end of the push-pull rod 3 is equipped with knob 4, and the side of the knob 4 is equipped with the second groove 13, institute
It states push-pull rod 3 and is embedded in the inside for being set to the second groove 13, and be interference fitted with the second groove 13, the side peace of the syringe 1
Equipped with connecting tube 6, and the connecting tube 6 and syringe 1 are connected, and the side of the connecting tube 6 is equipped with syringe needle 7, the connecting tube 6
Insertion is set to the side of syringe needle 7, and with 7 clearance fit of syringe needle, can be convenient and remove or install syringe needle 7.
Further, the outer surface of the syringe 1 is equipped with graduation apparatus 9, and the graduation apparatus 9 is evenly distributed, and can make
It is more accurate to obtain graduation apparatus 9.
Further, first groove 12, the second groove 13 and tenon 10 are cylinder.Facilitate insertion into connection.
Further, the diameter of first groove 12 is slightly larger than the diameter of tenon 10, the diameter of second groove 13
Slightly larger than the diameter of push-pull rod 3, inside and the second groove of insertion of push-pull rod 3 that tenon 10 is inserted into the first groove 12 can be convenient
13 inside.
Further, the side of the syringe needle 7 is equipped with pinhead sleeve 8, and 7 nesting of syringe needle is set to the interior of pinhead sleeve 8
Portion has protective effect to syringe needle 7.
Working principle: when start-up operation, medical staff first removes pinhead sleeve 8, and syringe needle 7 is inserted into blood to be extracted,
Since the middle part of the push-pull rod 3 is equipped with screw thread 11, the fixed column 2 is internally threaded hole 14, and the push-pull rod 3
Through fixed column 2 center and by the way that in 11 precession threaded hole 14 of screw thread, medical staff makes screw thread 11 exist by turning knob 4
Movement, the right end of threaded hole 14 is moved to from the left end of threaded hole 14, so that push-pull rod 3 is with piston 5 in threaded hole 14
It moves from left to right, at this moment blood to be extracted enters from syringe needle 7, then enters in syringe 1 by connecting tube 6, due to passing through rotation
The rotation of button 4 can make push-pull rod 3 move relatively slow so that it is convenient to which medical staff controls according to the data on graduation apparatus 9
The amount of blood is extracted, so that extracted amount is more accurate, after the completion of the extraction, medical staff makes screw thread 11 by turning knob 4
It is moved in threaded hole 14, the left end of threaded hole 14 is moved to from the right end of threaded hole 14, so that push-pull rod 3 is with piston
5 move from right to left, and at this moment blood to be extracted flows into Storage jar by connecting tube 6 from syringe needle 7 from syringe 1.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of facilitate the physician's liquid taking device for extracting blood, including syringe (1) and syringe needle (7), it is characterised in that: institute
The inside for stating syringe (1) is separately installed with piston (5) and fixed column (2), and the piston (5) and fixed column (2) are embedded in setting
In the inside of syringe (1), and the piston (5) and syringe (1) clearance fit, the fixed column (2) are matched with syringe (1) interference
It closes, the side of the piston (5) is equipped with push-pull rod (3) and is equipped with the first groove (12), and the first groove (12) insertion is set
It is placed in the inside of piston (5), one end of the push-pull rod (3) is equipped with tenon (10), and the tenon (10) and push-pull rod (3) are molten
Melt fixation, tenon (10) insertion is set to the inside of the first groove (12), and with the first groove (12) clearance fit, it is described
It is equipped in the middle part of push-pull rod (3) screw thread (11), the fixed column (2) is internally threaded hole (14), the push-pull rod (3)
Through fixed column (2) center and by the way that in screw thread (11) precession threaded hole (14), one end of the push-pull rod (3) is equipped with rotation
The side of button (4), the knob (4) is equipped with the second groove (13), and push-pull rod (3) insertion is set to the second groove (13)
Inside, and be interference fitted with the second groove (13), the side of the syringe (1) is equipped with connecting tube (6), and the connecting tube
(6) it is connected with syringe (1), the side of the connecting tube (6) is equipped with syringe needle (7), and connecting tube (6) insertion is set to syringe needle
(7) side, and with syringe needle (7) clearance fit.
2. a kind of physician's liquid taking device for facilitating extraction blood according to claim 1, it is characterised in that: described
The outer surface of syringe (1) is equipped with graduation apparatus (9), and the graduation apparatus (9) is evenly distributed.
3. a kind of physician's liquid taking device for facilitating extraction blood according to claim 1, it is characterised in that: described
First groove (12), the second groove (13) and tenon (10) are cylinder.
4. a kind of physician's liquid taking device for facilitating extraction blood according to claim 1, it is characterised in that: described
The diameter of first groove (12) is slightly larger than the diameter of tenon (10), and the diameter of second groove (13) is slightly larger than push-pull rod (3)
Diameter.
5. a kind of physician's liquid taking device for facilitating extraction blood according to claim 1, it is characterised in that: described
The side of syringe needle (7) is equipped with pinhead sleeve (8), and syringe needle (7) nesting is set to the inside of pinhead sleeve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820740450.8U CN208297187U (en) | 2018-10-31 | 2018-10-31 | It is a kind of to facilitate the physician's liquid taking device for extracting blood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820740450.8U CN208297187U (en) | 2018-10-31 | 2018-10-31 | It is a kind of to facilitate the physician's liquid taking device for extracting blood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208297187U true CN208297187U (en) | 2018-12-28 |
Family
ID=64728049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820740450.8U Expired - Fee Related CN208297187U (en) | 2018-10-31 | 2018-10-31 | It is a kind of to facilitate the physician's liquid taking device for extracting blood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208297187U (en) |
-
2018
- 2018-10-31 CN CN201820740450.8U patent/CN208297187U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 Termination date: 20191031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |