CN208319647U - A kind of deep vein puncture needle - Google Patents
A kind of deep vein puncture needle Download PDFInfo
- Publication number
- CN208319647U CN208319647U CN201721600913.2U CN201721600913U CN208319647U CN 208319647 U CN208319647 U CN 208319647U CN 201721600913 U CN201721600913 U CN 201721600913U CN 208319647 U CN208319647 U CN 208319647U
- Authority
- CN
- China
- Prior art keywords
- auto
- pumping module
- syringe body
- syringe
- snap ring
- 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.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of deep vein puncture needles, including snap ring, grab, syringe body, auto-pumping module, the auto-pumping module is mounted on the circumferential surface of syringe body one end, and button is provided among the upper end of auto-pumping module, the syringe body is provided with syringe baffle close to one end of auto-pumping module, and the other end middle position of syringe body is provided with syringe connector, the syringe connector is provided with needle stand far from one end of syringe body, the other end of the needle stand is provided with needle tubing, the beneficial effects of the utility model are: by the way that auto-pumping module is installed on the injector, when the inside of connecting rod indentation auto-pumping module being punctured again, medical worker only need to be by lower button, under the elastic potential energy effect of pressure spring, control piston rod suction, reduce medical matters The operation difficulty of personnel is aspirated without the use of hand traction piston rod, facilitates the progress of puncture.
Description
Technical field
The utility model belongs to the field of medical instrument technology, and in particular to a kind of deep vein puncture needle.
Background technique
Through body puncture to corresponding vein, various conduits are inserted into big Endovascular or the chambers of the heart.Deep venous puncture
Art is often femoral vein, jugular vein and subclavian vein with site of puncture.Femoral venepuncture indication: 1, it when first aid needs big
Amount, rapid intravenous blood transfusion, infusion person；2, periphery venipuncture is difficult due to shock or big blood loss cause peripheral circulatory failure, needs
The person that establishes venous channel in time；3, incidence or large-scale cardiothoracic surgery are not suitable for row subclavian vein and internal jugular vein puncture,
Or loser at capable puncture；4, it vein blood specimen need to be acquired carries out laboratory examination and PeV and puncture difficulty person；5, because of disease
Feelings need to carry out total intravenous nutrition or belong to infuse hypertonic, irritant drug person；It 6, must monitoring CVP person because rescue or the state of an illness need；
7, row right cardiac catheterization art or placement heart heartstart person are needed.Piercing method are as follows: 1, right hand syringes show in finger to left hand
Refer to that fixed point of puncture is pierced into, inserting needle direction with the skin of site of puncture in 30~45 degree of angles, comply with blood flow direction or at vertical
Direction is aspirated in inserting needle and is slowly pierced into；2, after puncture needle enters femoral vein, that is, there is venous backflow people's injection needle
It is interior, then 2~4nHn of inserting needle can take a blood sample or inject drug；3, it is first pierced into deep if failing to extract blood out, using the side withdraw of the needle
While being pumped to until blood pumps out；Or adjustment punctures direction, depth or punctures again.
The puncture needle of the prior art has the following problems: medical worker carries out suction action when puncturing, and operation difficulty is big,
And to impacting for puncture, medical worker cannot carry out puncture procedure well.
Utility model content
To solve the problems mentioned above in the background art.The utility model provides a kind of deep vein puncture needle, has
Easy to operate feature.
To achieve the above object, the utility model provides the following technical solutions: a kind of deep vein puncture needle, including snap ring,
Grab, syringe body, auto-pumping module, the auto-pumping module are mounted on the circumferential surface of syringe body one end
On, and button is provided among the upper end of auto-pumping module, the syringe body is set close to one end of auto-pumping module
It is equipped with syringe baffle, and the other end middle position of syringe body is provided with syringe connector, the syringe connection
Head is provided with needle stand far from one end of syringe body, and the other end of the needle stand is provided with needle tubing, the syringe body
It is internally provided with piston rod, the piston rod is provided with piston handle, the auto-pumping module far from one end of syringe body
Be internally provided with connecting rod, the connecting rod is provided with piston rod snap ring close to one end of syringe baffle, and connecting rod
The other end is provided with block, and the block is provided with pressure spring far from the side of connecting rod, and the auto-pumping module is close to piston
Setting is provided with carrying roller knot above two reset springs there are two reset spring below inside one end of bar snap ring
Structure, the connecting rod are provided with baffle-wall above one end of block.
Preferably, it is fixedly connected between the syringe body and auto-pumping module by snap ring.
Preferably, it is rotatablely connected between the snap ring and auto-pumping module by hinge.
Preferably, it is fixedly connected between the snap ring and auto-pumping module by grab.
Preferably, the piston rod snap ring is mounted on the circumferential surface of piston rod, and piston rod snap ring and piston handle
Position corresponds to each other.
Preferably, the upper surface of the baffle-wall is provided with groove, and baffle-wall corresponds to the inside upper surface of auto-pumping module
It is also equipped with groove.
Preferably, the surface that the button corresponds to baffle-wall is provided with sliding slot.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model is by being mounted on the one end of syringe body close to piston rod, piston rod for auto-pumping module
Snap ring card on the piston rod, facilitates auto-pumping module connection syringe body and piston rod, then connecting rod is pressed into automatic take out
Inhale the inside of module, operate the air in piston handle exhaustjet device, when being punctured, medical worker only need to by lower button,
Under the elastic potential energy effect of pressure spring, control piston rod suction reduces the operation difficulty of medical worker, draws piston without the use of hand
Bar is aspirated, and the progress of puncture is facilitated；
2, it is fixedly connected between the utility model syringe body and auto-pumping module by snap ring, facilitates auto-pumping
The connection of module and syringe improves the working efficiency of medical worker.
Detailed description of the invention
Fig. 1 is the main view of the utility model；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the baffle-wall structural schematic diagram of the utility model；
In figure: 1, needle tubing；2, needle stand；3, syringe connector；4, snap ring；5, grab；6, syringe body；7, automatic to take out
Inhale module；8, syringe baffle；9, piston rod；10, piston rod snap ring；11, piston handle；12, connecting rod；13, button；14, it presses
Spring；15, block；16, baffle-wall；17, reset spring；18, idler structure.
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. 1-3 is please referred to, the utility model is the following technical schemes are provided: a kind of deep vein puncture needle, including snap ring 4, card
Hook 5, syringe body 6, auto-pumping module 7, auto-pumping module 7 are mounted on the circumferential surface of 6 one end of syringe body,
It is fixedly connected between syringe body 6 and auto-pumping module 7 by snap ring 4, is passed through between snap ring 4 and auto-pumping module 7
Hinge rotation connection, facilitates syringe body 6 with auto-pumping module 7 and connect, and leads between snap ring 4 and auto-pumping module 7
Cross grab 5 to be fixedly connected, auto-pumping module 7 made to facilitate installing and dismounting, and be provided among the upper end of auto-pumping module 7 by
Button 13, syringe body 6 is provided with syringe baffle 8 close to one end of auto-pumping module 7, and syringe body 6 is another
End middle position is provided with syringe connector 3, and syringe connector 3 is provided with needle stand 2 far from one end of syringe body 6,
The other end of needle stand 2 is provided with needle tubing 1, and syringe body 6 is internally provided with piston rod 9, and piston rod 9 is far from syringe body
6 one end is provided with piston handle 11, and auto-pumping module 7 is internally provided with connecting rod 12, and connecting rod 12 is kept off close to syringe
One end of plate 8 is provided with piston rod snap ring 10, and piston rod snap ring 10 is mounted on the circumferential surface of piston rod 9, and piston rod card
Ring 10 is corresponded to each other with the position of piston handle 11, and connecting rod 12 is made to be able to drive the movement of piston rod 9, and the other end of connecting rod 12
It is provided with block 15, block 15 is provided with pressure spring 14 far from the side of connecting rod 12, and auto-pumping module 7 is close to piston rod snap ring
There are two reset springs 17, the top of two reset springs 17 to be provided with idler structure 18 for setting below 10 inside one end,
Connecting rod 12 is provided with baffle-wall 16 above one end of block 15, and the upper surface of baffle-wall 16 is provided with groove, and baffle-wall 16 is right
It answers the inside upper surface of auto-pumping module 7 to be also equipped with groove, medical worker is made to can control the suction of piston rod 9, button
The surface of 13 corresponding baffle-walls 16 is provided with sliding slot, and button 13 is made not interfere the movement of baffle-wall 16 when being pressed.
The working principle and process for using of the utility model: after the utility model installs, operation connecting rod 12 is pressed into
The inside of auto-pumping module 7, connecting rod 12 be moved to bosom stop to connecting rod 12 apply pressure, operation piston handle 11 to
The direction of syringe body 6 is mobile, empties the air in syringe body 6, and operating syringe main body 6 carries out Deep venou to patient
It punctures, medical worker presses lower button 13, and button 13 applies pressure to baffle-wall 16, makes the inner wall of baffle-wall 16 Yu auto-pumping module 7
It separates, under the elastic potential energy effect of pressure spring 14, the effect of connecting rod 12 is with drive piston rod 9 on piston handle 11 to far from syringe
The direction of main body 6 is mobile, is aspirated, medical worker's release button 13, under the elastic potential energy effect of reset spring 17, carrying roller
Structure 18 is tightly attached on the inner wall of auto-pumping module 7 12 applied force of connecting rod, baffle-wall 16, the fixed baffle-wall 16 of groove, piston
Bar 9 does not move, and facilitates the operation of medical worker, reduces puncture procedure difficulty.
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 (7)
1. a kind of deep vein puncture needle, including snap ring (4), grab (5), syringe body (6), auto-pumping module (7), special
Sign is: the auto-pumping module (7) is mounted on the circumferential surface of syringe body (6) one end, and auto-pumping module
(7) it is provided among upper end button (13), the syringe body (6) is provided with close to the one end of auto-pumping module (7)
Syringe baffle (8), and the other end middle position of syringe body (6) is provided with syringe connector (3), the syringe
Connector (3) is provided with needle stand (2) far from the one end of syringe body (6), and the other end of the needle stand (2) is provided with needle tubing
(1), the syringe body (6) is internally provided with piston rod (9), the piston rod (9) far from syringe body (6) one
End is provided with piston handle (11), and the auto-pumping module (7) is internally provided with connecting rod (12), and the connecting rod (12) is leaned on
One end of nearly syringe baffle (8) is provided with piston rod snap ring (10), and the other end of connecting rod (12) is provided with block (15),
The block (15) is provided with pressure spring (14) far from the side of connecting rod (12), and the auto-pumping module (7) is close to piston rod
Below inside one end of snap ring (10) there are two settings reset spring (17), it is respectively provided with above two reset springs (17)
Have idler structure (18), the connecting rod (12) is provided with baffle-wall (16) above the one end of block (15).
2. a kind of deep vein puncture needle according to claim 1, it is characterised in that: the syringe body (6) and automatic
It is fixedly connected between suction module (7) by snap ring (4).
3. a kind of deep vein puncture needle according to claim 2, it is characterised in that: the snap ring (4) and auto-pumping mould
It is rotatablely connected between block (7) by hinge.
4. a kind of deep vein puncture needle according to claim 2, it is characterised in that: the snap ring (4) and auto-pumping mould
It is fixedly connected between block (7) by grab (5).
5. a kind of deep vein puncture needle according to claim 1, it is characterised in that: the piston rod snap ring (10) is mounted on
On the circumferential surface of piston rod (9), and piston rod snap ring (10) is corresponded to each other with the position of piston handle (11).
6. a kind of deep vein puncture needle according to claim 1, it is characterised in that: the upper surface of the baffle-wall (16) is arranged
There is groove, and the inside upper surface of baffle-wall (16) corresponding auto-pumping module (7) is also equipped with groove.
7. a kind of deep vein puncture needle according to claim 1, it is characterised in that: the button (13) is corresponding baffle-wall (16)
Surface be provided with sliding slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721600913.2U CN208319647U (en) | 2017-11-27 | 2017-11-27 | A kind of deep vein puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721600913.2U CN208319647U (en) | 2017-11-27 | 2017-11-27 | A kind of deep vein puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208319647U true CN208319647U (en) | 2019-01-04 |
Family
ID=64788027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721600913.2U Expired - Fee Related CN208319647U (en) | 2017-11-27 | 2017-11-27 | A kind of deep vein puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208319647U (en) |
-
2017
- 2017-11-27 CN CN201721600913.2U patent/CN208319647U/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: 20190104 Termination date: 20191127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |