CN208876705U - A kind of anaesthesia puncture needle - Google Patents
A kind of anaesthesia puncture needle Download PDFInfo
- Publication number
- CN208876705U CN208876705U CN201820997973.0U CN201820997973U CN208876705U CN 208876705 U CN208876705 U CN 208876705U CN 201820997973 U CN201820997973 U CN 201820997973U CN 208876705 U CN208876705 U CN 208876705U
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- CN
- China
- Prior art keywords
- piston
- outer cylinder
- piston bar
- hole
- inner cylinder
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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.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to technical field of medical instrument, especially a kind of anaesthesia puncture needle, including outer cylinder, turntable, inner cylinder and second piston bar, the outer cylinder is the columnar bottleneck shape composite structure of column-cone-that diameter is gradually increased from top to bottom, the outer cylinder upper inner is provided with second piston, it is provided among the second piston above third through-hole described in third through-hole and is connected with second piston bar, the second piston bar is the tubular structure of inner hollow lower ending opening and right end is provided with open slot.The structure design of the utility model is reasonable, extraction and the function of injection on general anesthesia needle basis are realized by being provided with second piston and second piston bar in outer cylinder, by being socketed inner cylinder and inner cylinder lower end setting check valve in second piston bar, the a variety of raw material for realizing fixed quantity extraction composition arcotic under same syringe are mixed, it is powerful and save the time, there is good development prospect.
Description
Technical field
The utility model relates to technical field of medical instrument, especially a kind of anaesthesia puncture needle.
Background technique
Department of anesthesia is the important component of current medical field, required before nearly all operation for patient into
Row whole body or local anaesthesia, thus mitigate the pain of patient during surgery, and in treatment, for various dose institutes accounting
How much grasps of example are very important, and therefore, the modulation of various doses is an emphasis, but existing drug dose adjuster
But there is a problem of many, due to needing various drugs, in modulated process, will use many medicine bottles, occupied space
It is larger, very trouble is operated, the working efficiency of operator is influenced, is also easy to malfunction, existing drug modulation is easy to appear
Dose controls inaccuracy, and drug is easy to remain on modulation bottle, to cause the waste of drug.
A kind of department of anesthesia combined anesthesia puncture needle of notification number CN207445012U, effort has been made to this, pass through by
Injection needle is designed as hollow double-layer cavity structure, and internal layer cavity is communicated with needle point body, sets in the injection needle outside
There is the fluid infusion interface communicated with outer layer cavity, several liquid out communicated with outer layer cavity are additionally provided on the injection needle body
Hole can be able to achieve to supplement to patient simultaneously and inject a variety of different pharmaceuticals by needle point body and fluid hole, so that operating time is saved,
The configuration of anesthetic and amount take surely bad control although the apparatus structure solves puncture time but injects before, need to be changed
It is kind.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technical disadvantages to provide a kind of anaesthesia puncture needle, this is practical new
Type is reasonable in design, realizes the extraction on general anesthesia needle basis by being provided with second piston and second piston bar in outer cylinder
And function of injection is realized under same syringe repeatedly by being socketed inner cylinder and inner cylinder lower end setting check valve in second piston bar
The quantitative a variety of raw material for extracting composition arcotic are mixed, powerful and save the time.
The utility model solve technical problem use technical solution are as follows: a kind of anaesthesia puncture needle, including outer cylinder, turn
Disk, inner cylinder and second piston bar, the outer cylinder are the columnar bottleneck shape combination knot of column-cone-that diameter is gradually increased from top to bottom
Structure, the outer cylinder upper inner are provided with second piston, and third through-hole, the third through-hole are provided among the second piston
Top is connected with second piston bar, and the second piston bar is the tubular structure of inner hollow lower ending opening and right end is provided with out
Mouthful slot is connected with baffle inside the outer cylinder upper post-cone turning point and baffle lower part is provided with turntable, turntable upper end card
Column outer cylinder lower end is connect, is provided with first through hole among lower end affixed cone cell outer cylinder upper end and baffle and turntable, left and right ends are equal
It is provided with liquid outlet, the upper end of first through hole is connected with inner cylinder on the baffle, on the one hand rotates turntable and closes going out on baffle
Liquid mouth makes to form negative pressure in outer cylinder, on the other hand rotates turntable for the liquid outlet on baffle and is directed at progress with the liquid outlet on turntable
The injection of anesthetic, the inner cylinder lower ending opening, upper end are provided with the second through-hole and are just plugged on inside second piston bar, one
Aspect avoids movement interference convenient for second piston up and down motion, and second piston and outer barrel is on the other hand made to form vacuum environment
Negative pressure is formed, inner cylinder lower-left end is provided with the lower end of inlet and inlet, is connected with check valve on the inside of inner cylinder, avoids
Liquid reflux, the top of the check valve are provided with first piston, and the first piston upper end is connected with First piston bar, described
First piston bar is L-type structure and right end is pierced by open slot, facilitates the extraction for pulling First piston bar to carry out anesthetic.
Further, the outer cylinder lower part is connected with syringe needle, convenient for replacement syringe needle in time, safety and the reduction wasting of resources.
Further, graduation mark, convenient quantitative extraction and injecting narcotic are provided on the outer tube side wall.
Beneficial effect possessed by the utility model is: the structure design of the utility model is reasonable, by being provided in outer cylinder
Second piston and second piston bar realize extraction and the function of injection on general anesthesia needle basis, by being socketed in second piston bar
Check valve is arranged in inner cylinder and inner cylinder lower end, realize fixed quantity under same syringe extract a variety of raw material of composition arcotic into
Row mixing, it is powerful and save the time, there is good development prospect.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model.
Specific embodiment
1 pair of the utility model is described below with reference to the accompanying drawing.
As shown in Figure 1, the utility model includes outer cylinder 1, turntable 9, inner cylinder 3 and second piston bar 7, the outer cylinder 1 is under
To the upper columnar bottleneck shape composite structure of column-cone-being gradually increased for diameter, it is living that 1 upper inner of outer cylinder is provided with second
6 are filled in, third through-hole 6-1 is provided among the second piston 6, is connected with second piston bar 7 above the third through-hole 6-1,
The second piston bar 7 is the tubular structure of inner hollow lower ending opening and right end is provided with open slot 7-1, on the outer cylinder 1
It is connected with baffle 2 inside portion's column-cone turning point and 2 lower part of baffle is provided with turntable 9,9 upper end of turntable is clamped column outer cylinder 1
Lower end is provided with first through hole 2-1 among affixed 1 upper end of cone cell outer cylinder in lower end and baffle 2 and turntable 9, and left and right ends are all provided with
It is equipped with liquid outlet 2-2, the upper end of first through hole 2-1 is connected with inner cylinder 3 on the baffle 2, on the one hand rotates turntable 9 and closes baffle
Liquid outlet 2-2 on 2 makes to form negative pressure in outer cylinder 1, on the other hand rotates turntable 9 for the liquid outlet 2-2 and turntable 9 on baffle 2
On liquid outlet 2-2 alignment carry out anesthetic injection, 3 lower ending opening of inner cylinder, upper end be provided with the second through-hole 3-2 and just
It is plugged on well inside second piston bar 7, on the one hand avoids movement interference convenient for the up and down motion of second piston 6, on the other hand make the
Two pistons 6 form negative pressure with formation vacuum environment inside outer cylinder 1, and the 3 lower-left end of inner cylinder is provided with inlet 3-1 and inlet
The lower end of 3-1, the inside of inner cylinder 3 are connected with check valve 8, avoid liquid reflux, it is living that the top of the check valve 8 is provided with first
Plug 4,4 upper end of first piston are connected with First piston bar 5, and the First piston bar 5 is L-type structure and right end is pierced by opening
Slot 7-1 facilitates the extraction for pulling First piston bar 5 to carry out anesthetic.
In the present embodiment, 11 lower part of outer cylinder is connected with syringe needle 10, convenient for replacement syringe needle 10 in time, safety and reduction money
Source waste.
In the present embodiment, graduation mark 11, convenient quantitative extraction and injecting narcotic are provided on 11 side wall of outer cylinder.
In use, First piston bar 5 and second piston bar 7 are placed in bottom and rotate turntable 9 for going out on baffle 2
Liquid mouth 2-2 is blocked, pull First piston bar 5 carry out anesthetic ingredient extraction and extraction after push First piston bar 5, ingredient from
It is reached in outer cylinder 11 in inner cylinder 3 along inlet 3-1, second piston 6 is gradually increasing at this time, and outer cylinder 11 will be shaken in end to be extracted to match
The liquid outlet 2-2 on turntable 9 is aligned by rotation turntable 9 with the liquid outlet 2-2 on baffle 2 while material mixes carries out anesthetic
Injection.
Claims (3)
1. a kind of anaesthesia puncture needle, including outer cylinder, turntable, inner cylinder and second piston bar, it is characterised in that: the outer cylinder from
Under to the upper columnar bottleneck shape composite structure of column-cone-being gradually increased for diameter, it is living that the outer cylinder upper inner is provided with second
It fills in, third through-hole is provided among the second piston, second piston bar is connected with above the third through-hole, described second is living
Stopper rod is the tubular structure of inner hollow lower ending opening and right end is provided with open slot, in the outer cylinder upper post-cone turning point
Portion is connected with baffle and baffle lower part is provided with turntable, and the turntable upper end is clamped column outer cylinder lower end, outside the affixed cone cell in lower end
Sentence is provided with first through hole among cylinder upper end and baffle and turntable, and left and right ends are provided with first through hole on liquid outlet and baffle
Upper end is connected with inner cylinder, the inner cylinder lower ending opening, and upper end is provided with the second through-hole and is just plugged on inside second piston bar,
Inner cylinder lower-left end is provided with the lower end of inlet and inlet, is connected with check valve on the inside of inner cylinder, the check valve
Top is provided with first piston, and the first piston upper end is connected with First piston bar, the First piston bar be L-type structure and
Right end is pierced by open slot.
2. a kind of anaesthesia puncture needle according to claim 1, it is characterised in that: the outer cylinder lower part is connected with needle
Head.
3. a kind of anaesthesia puncture needle according to claim 1, it is characterised in that: be provided with quarter on the outer tube side wall
Spend line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820997973.0U CN208876705U (en) | 2018-06-27 | 2018-06-27 | A kind of anaesthesia puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820997973.0U CN208876705U (en) | 2018-06-27 | 2018-06-27 | A kind of anaesthesia puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208876705U true CN208876705U (en) | 2019-05-21 |
Family
ID=66505951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820997973.0U Expired - Fee Related CN208876705U (en) | 2018-06-27 | 2018-06-27 | A kind of anaesthesia puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208876705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115738778A (en) * | 2022-10-24 | 2023-03-07 | 广东粤港澳大湾区国家纳米科技创新研究院 | Emulsion preparation facilities |
-
2018
- 2018-06-27 CN CN201820997973.0U patent/CN208876705U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115738778A (en) * | 2022-10-24 | 2023-03-07 | 广东粤港澳大湾区国家纳米科技创新研究院 | Emulsion preparation facilities |
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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: 20190521 Termination date: 20200627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |