CN213312490U - Novel anesthesia injector - Google Patents
Novel anesthesia injector Download PDFInfo
- Publication number
- CN213312490U CN213312490U CN202021352486.2U CN202021352486U CN213312490U CN 213312490 U CN213312490 U CN 213312490U CN 202021352486 U CN202021352486 U CN 202021352486U CN 213312490 U CN213312490 U CN 213312490U
- Authority
- CN
- China
- Prior art keywords
- syringe
- liquid storage
- piston rod
- positioning
- head
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a novel anesthesia injector, which comprises an injector cylinder, a piston rod, a positioning column, a positioning head, a liquid guide pipe, an extrusion plug, a liquid storage cylinder and an injection head; the piston rod is arranged inside the syringe cylinder; one side of the liquid guide pipe is arranged on the liquid injection end of the syringe barrel, and the other side of the liquid guide pipe penetrates through the liquid storage barrel to be connected with the injection head; the extrusion plug is in a round screw shape, is wrapped on the outer surface of the liquid guide pipe and is in threaded connection with the liquid storage barrel; the positioning column is arranged on the syringe barrel, and the positioning head is arranged on the positioning column. Through the reference column and the positioning head that set up on the syringe barrel, the combination of the spacing groove that sets up on the piston rod for can carry out effective control to the injection volume of restriction liquid medicine at the injection in-process, use the extrusion plug to carry out the screw extrusion to stock solution bubble in the liquid storage cylinder, and through measurement line and datum line control extrusion degree, confirm the injection volume, thereby reach the purpose of the liquid medicine in the accurate injection stock solution bubble, guaranteed the effect of dosing.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially a novel anesthesia syringe.
Background
Anesthesia is an important component in modern medical technology, is an indispensable operation before various operations are performed, and mainly has the effects of inhibiting nerves by medicines or other methods, eliminating operation pain of patients and ensuring smooth operation, and in the category of anesthesia operations, syringe injection by using medicines occupies a large part of proportion.
The conventional syringe injection is mainly used for determining the injection amount according to the weight, age, operation type and other factors of a patient during preparation of a medicament, the scale on the syringe is used as a measure to control the injection amount of the medicament, and the fine degree of operation is not high depending on visual observation of an anaesthetist and control of personal experience, so that the problem of excessive injection of the medicament possibly occurs during injection on the one hand, and a larger side effect is generated. On the other hand, when the injection anesthesia is performed on a part with higher internal pressure and larger injection resistance of a patient, the injection may be blocked by the higher internal pressure, or the reflux is generated in the needle cylinder after the original quantitative injection is finished, so that the control of the injection amount and the final administration effect are influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a novel anesthesia syringe introduces ration subassembly and stop gear in the syringe, and the injection volume of accurate control medicine guarantees to inject the effect.
The technical scheme provided by the utility model is that a novel anesthesia injector is provided, which comprises an injector cylinder, a piston rod, a positioning column, a positioning head, a catheter, an extrusion plug, a liquid storage cylinder and an injection head; the piston rod is arranged inside the syringe cylinder; one side of the liquid guide pipe is arranged on the liquid injection end of the syringe barrel, and the other side of the liquid guide pipe penetrates through the liquid storage barrel to be connected with the injection head; the extrusion plug is in a round screw shape, is wrapped on the outer surface of the liquid guide pipe and is in threaded connection with the liquid storage barrel; the positioning column is arranged on the syringe barrel, and the positioning head is arranged on the positioning column.
Furthermore, the piston rod is provided with a limit groove on the outer surface within 1/2 of the length of the rod body on one side of the pushing handle, and the outer surface of the piston rod is provided with scale marks perpendicular to the piston rod.
Furthermore, the syringe cylinder is made of transparent materials, and a positioning line perpendicular to the syringe cylinder is arranged on the outer surface of the syringe cylinder.
Furthermore, the positioning column is cylindrical and parallel to the piston rod, and the positioning column is in threaded connection with the syringe barrel.
Furthermore, the positioning head is vertically arranged on the positioning column and is in threaded connection with the positioning column.
Further, the positioning head comprises a spring and a movable pressure head, the movable pressure head is axially arranged inside the positioning head, the shape of the top of the movable pressure head is the same as that of the notch of the limiting groove, the notch of the limiting groove points to the notch of the limiting groove in the horizontal direction, and the spring is arranged between the bottom of the movable pressure head and the positioning head.
Furthermore, the distance from the top of the movable pressure head to the piston rod is the same as the distance from the bottom end of the notch of the limiting groove to the piston rod.
Furthermore, a liquid storage bubble communicated with the liquid guide pipe is arranged in the liquid storage cylinder, and the liquid storage bubble is made of elastic materials.
Furthermore, a metering line perpendicular to the extrusion plug is arranged on the outer surface of the plug body part, which is in contact with the liquid storage cylinder, of the extrusion plug, a sheet structure extends out of the outer surface of the liquid storage cylinder in the direction pointing to the screw cap of the extrusion plug, and a datum line perpendicular to the extrusion plug is arranged on the sheet structure.
Furthermore, when the metering line and the reference line are on the same straight line, screwing allowance exists between the extrusion plug and the liquid storage cylinder.
Compared with the prior art, the technical scheme has the following advantages:
1. through the reference column, the positioning head and the positioning line that set up on the syringe barrel, the combination of the spacing groove and the scale mark that set up on the piston rod for can carry out effective control to the position of piston rod in the injection process, and then the injection volume of restriction liquid medicine avoids infusing too much and the phenomenon of flowing back appears.
2. The extrusion plug is used for carrying out spiral extrusion on the liquid storage bubbles in the liquid storage barrel, the extrusion degree is controlled through the metering line and the reference line, and the injection amount is determined, so that the aim of accurately injecting liquid medicine in the liquid storage bubbles is fulfilled, and the administration effect is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the positioning post and positioning head;
in the figure, 1 syringe barrel, 2 piston rod, 3 positioning column, 4 positioning head, 5 liquid guide tube, 6 extrusion plug, 7 liquid storage cylinder, 8 liquid storage bubble, 9 injection head, 11 positioning line, 21 limiting groove, 22 scale line, 41 spring, 42 movable pressure head, 61 metering line and 71 datum line.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
Referring to fig. 1 and 2, in the embodiment, a novel anesthetic syringe, a piston rod 2 is disposed inside a syringe barrel 1, one side of a liquid guide tube 5 is disposed on a liquid injection end of the syringe barrel 1, the other side of the liquid guide tube passes through a liquid storage barrel 7 to be connected with an injection head 9, a squeeze plug 6 is in a shape of a round screw, is wrapped on the outer surface of the liquid guide tube 5 and is in threaded connection with the liquid storage barrel 7, a positioning column 3 is disposed on the syringe barrel 1, a positioning head 4 is disposed on the positioning column 3, a limiting groove 21 is disposed on the outer surface of the piston rod 2 within 1/2 of the length of a rod body on a pushing side of the piston rod 2, a scale mark 22 perpendicular to the piston rod 2 is disposed on the outer surface of the piston rod 2, the syringe barrel 1 is made of a transparent material, a positioning line 11 perpendicular to the syringe barrel 1 is disposed on the, the positioning head 4 is vertically arranged on the positioning column 3 and is in threaded connection with the positioning column 3, the positioning head 4 comprises a spring 41 and a movable pressure head 42, the movable pressure head 42 is axially arranged inside the positioning head 4, the shape of the top of the movable pressure head 42 is the same as that of the notch of the limiting groove 21 and points to the notch of the limiting groove 21 in the horizontal direction, the spring 41 is arranged between the bottom of the movable pressure head 42 and the positioning head 4, the distance from the top of the movable pressure head 42 to the piston rod 2 is the same as that from the bottom of the notch of the limiting groove 21 to the piston rod 2, a liquid storage bubble 8 communicated with a pipeline of the liquid guide tube 5 is arranged inside the liquid storage tube 7, a metering line 61 perpendicular to the extrusion plug 6 is arranged on the outer surface of the plug body part contacting with the liquid storage tube 7 of the extrusion plug 6, a sheet structure extends out in the direction of the nut of the, when the gauge line 61 is aligned with the reference line 71, a screwing margin is provided between the plunger 6 and the reservoir 7.
The piston rod 2 is arranged in the syringe cylinder 1, one side of the liquid guide tube 5 is arranged on the liquid injection end of the syringe cylinder 1, and the other side of the liquid guide tube passes through the liquid storage cylinder 7 to be connected with the injection head 9, so that the basic structure of the syringe is formed.
The outer surface of the syringe barrel 1 is also provided with a positioning line 11 which is vertical to the syringe barrel 1, the positioning column 3 is cylindrical and is parallel to the piston rod 2, the positioning column 3 is in threaded connection with the syringe barrel 1, the positioning head 4 is vertically arranged on the positioning column 3 and is in threaded connection with the positioning column 3, the positioning head 4 comprises a spring 41 and a movable pressure head 42, the movable pressure head 42 is axially arranged inside the positioning head 4, the top of the movable pressure head 42 is in the same shape as the notch of the limiting groove 21 and points to the notch of the limiting groove 21 in the horizontal direction, the spring 41 is arranged between the bottom of the movable pressure head 42 and the positioning head 4, the distance from the top of the movable pressure head 42 to the piston rod 2 is the same as the distance from the bottom of the notch of the limiting groove 21 to the piston rod 2, thus when medicine is injected, the piston rod 2 can be, the piston rod 2 is continuously pushed to enable the limit groove 21 to compress the movable pressure head 42, the movable pressure head 41 is firstly contracted into the positioning head 4 under the connection of the spring 41 and then extends into the limit groove 21 to be clamped tightly, so that the action of limiting the piston rod 2 is achieved, and excessive injection and pressed backflow are avoided; the position of the limiting groove 21 corresponds to the scale mark 22, the positions of the movable pressure heads 42 at different positions on the positioning head 4 can also correspond to corresponding medicine injection amount, the volume of the liquid medicine in the syringe barrel 1 is taken as the initial volume when the positioning line 11 and the scale mark 22 are on the same line, the volume of the liquid medicine when the limiting groove 21 and any movable pressure head 42 are clamped is taken as the volume after injection, and the difference between the two volumes is the injection volume, namely the moving volume of the piston rod 2 in the injection process; when different doses need to be injected, only the positioning columns 3 with different heights need to be replaced, and meanwhile, if the doses do not need to be controlled by the positioning heads 4, the positioning heads 4 are screwed out of the positioning columns 3, so that the positioning heads 4 are prevented from contacting the limiting grooves 21.
The extrusion stopper 6 is round screw shape, wraps up in and establishes at catheter 5 surface to with 7 threaded connection of liquid storage cylinder, 7 inside liquid storage cylinders are provided with the stock solution bubble 8 with 5 pipeline intercommunications of catheter, and stock solution bubble 8 is made for elastic material, makes the round hole on the extrusion stopper 6 can be passed to stock solution bubble 8.
The squeeze plug 6 is provided with a metering line 61 perpendicular to the squeeze plug 6 on the outer surface of a plug body part contacting with the liquid storage cylinder 7, a sheet structure extends from the outer surface of the liquid storage cylinder 7 in the direction pointing to the screw cap of the squeeze plug 6, a reference line 71 perpendicular to the squeeze plug 6 is arranged on the sheet structure, when the metering line 61 and the reference line 71 are on the same straight line, a screwing allowance exists between the squeeze plug 6 and the liquid storage cylinder 7, when injection administration is carried out under the design, the administration amount is mainly determined by the structures in the syringe cylinder body 1 and the piston rod 2, under the condition that the movable pressure head 42 is clamped by the limiting groove 21, the liquid storage bubble 8 is filled with liquid medicine, at the moment, the metering line 61 and the reference line 71 are on the same straight line as the beginning, the liquid medicine in the liquid storage bubble 8 can be extruded by screwing the squeeze plug 6 into the liquid storage cylinder 7, and the amount of the extruded, the extrusion is slow and less, and the extrusion amount of the extrusion plug 6 can be determined according to the rotation number of the extrusion plug 6, thereby achieving the aim of accurate administration.
The utility model discloses a work flow does:
first, the dose amount is calculated, and an excessive amount of the drug solution is aspirated into the syringe barrel 1.
Then, according to the calculated dosage, the positioning head 4 corresponding to the nearest dosage is selected to be screwed on the positioning column 3, and the positioning column 3 is installed on the syringe barrel 1.
Then the syringe barrel 1 is connected into a pipeline formed by the liquid guide tube 5, the extruding plug 6 and the liquid storage cylinder 7 are connected into the pipeline, and the extruding plug 6 is rotatably installed, so that the metering line 61 on the extruding plug 6 and a reference line 71 on a sheet structure extending from the outer surface of the liquid storage cylinder 7 in the direction pointing to the screw cap of the extruding plug 6 are positioned on the same straight line.
Then the piston rod 2 is pushed to inject liquid into the pipeline, and when the stability is ensured, the positioning line 11 and the scale mark 22 are on the same line, and the liquid storage bubble 8 is filled with the liquid medicine to expand and fill the space formed by the whole extrusion plug 6 and the liquid storage cylinder 7.
At this moment, the injector can be used for injection, the piston rod 2 is pushed to move to the limiting groove 21 to clamp the movable pressure head 42, a part of liquid medicine is injected approximately firstly, the injection amount of the part is determined by the medicine amount represented by the positioning head 4, then the extrusion plug 6 is screwed in, the extrusion plug 6 extrudes the liquid storage bubble 8, the rest part of liquid medicine is injected again accurately, the injection amount is determined by the number of turns of the metering line 61, and the medicine administration can be finished.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the present invention.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the embodiments of the present invention are all covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A novel anesthetic syringe is characterized by comprising a syringe barrel (1), a piston rod (2), a positioning column (3), a positioning head (4), a liquid guide tube (5), an extrusion plug (6), a liquid storage barrel (7) and an injection head (9); the piston rod (2) is arranged inside the syringe cylinder (1); one side of the liquid guide pipe (5) is arranged on the liquid injection end of the syringe cylinder body (1), and the other side of the liquid guide pipe penetrates through the liquid storage cylinder (7) to be connected with the injection head (9); the extrusion plug (6) is in a round screw shape, is wrapped on the outer surface of the liquid guide pipe (5), and is in threaded connection with the liquid storage barrel (7); the positioning column (3) is arranged on the syringe barrel (1), and the positioning head (4) is arranged on the positioning column (3).
2. The novel anesthetic syringe of claim 1, wherein: the piston rod (2) is provided with a limiting groove (21) on the outer surface within 1/2 of the length of the rod body on one side of the pushing handle, and scale marks (22) perpendicular to the piston rod (2) are arranged on the outer surface of the piston rod (2).
3. The novel anesthetic syringe of claim 1, wherein: the syringe barrel (1) is made of transparent materials, and a positioning line (11) perpendicular to the syringe barrel (1) is arranged on the outer surface of the syringe barrel.
4. The novel anesthetic syringe of claim 1, wherein: the positioning column (3) is cylindrical and parallel to the piston rod (2), and the positioning column (3) is in threaded connection with the syringe barrel (1).
5. The novel anesthetic syringe of claim 1, wherein: the positioning head (4) is vertically arranged on the positioning column (3) and is in threaded connection with the positioning column (3).
6. The novel anesthetic syringe of claim 5, wherein: the positioning head (4) comprises a spring (41) and a movable pressure head (42), wherein the movable pressure head (42) is axially arranged inside the positioning head (4), the top shape of the movable pressure head (42) is the same as the shape of the notch of the limiting groove (21), the notch of the limiting groove (21) points to the horizontal direction, and the spring (41) is arranged between the bottom of the movable pressure head (42) and the positioning head (4).
7. The novel anesthetic syringe of claim 6, characterized in that: the distance from the top of the movable pressure head (42) to the piston rod (2) is the same as the distance from the bottom end of the notch of the limiting groove (21) to the piston rod (2).
8. The novel anesthetic syringe of claim 1, wherein: the liquid storage cylinder (7) is internally provided with a liquid storage bubble (8) communicated with the pipeline of the liquid guide pipe (5), and the liquid storage bubble (8) is made of elastic material.
9. The novel anesthetic syringe of claim 1, wherein: the metering line (61) perpendicular to the extrusion plug (6) is arranged on the outer surface of the plug body part of the extrusion plug (6) in contact with the liquid storage cylinder (7), a sheet structure extends from the outer surface of the liquid storage cylinder (7) in the direction pointing to the screw cap of the extrusion plug (6), and a reference line (71) perpendicular to the extrusion plug (6) is arranged on the sheet structure.
10. The novel anesthetic syringe of claim 9, wherein: when the measuring line (61) and the reference line (71) are on the same straight line, a screwing allowance exists between the extrusion plug (6) and the liquid storage cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021352486.2U CN213312490U (en) | 2020-07-10 | 2020-07-10 | Novel anesthesia injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021352486.2U CN213312490U (en) | 2020-07-10 | 2020-07-10 | Novel anesthesia injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213312490U true CN213312490U (en) | 2021-06-01 |
Family
ID=76083379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021352486.2U Active CN213312490U (en) | 2020-07-10 | 2020-07-10 | Novel anesthesia injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213312490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114344624A (en) * | 2021-12-23 | 2022-04-15 | 钱志玉 | Safe type medical and cosmetic botulinum toxin syringe |
-
2020
- 2020-07-10 CN CN202021352486.2U patent/CN213312490U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114344624A (en) * | 2021-12-23 | 2022-04-15 | 钱志玉 | Safe type medical and cosmetic botulinum toxin syringe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10653830B2 (en) | Injection mechanism utilizing a vial | |
| US7981081B2 (en) | Injection device with secondary reservoir | |
| US5975355A (en) | Dosage unit measurer for syringe | |
| CN213312490U (en) | Novel anesthesia injector | |
| US4248225A (en) | Gauge device for hypodermic syringes | |
| EP2307078B1 (en) | Cartridge stopper for an intradermal delivery system | |
| CN209848022U (en) | Self-service injection device for treating diabetes | |
| CN113304377B (en) | Injector for anesthesia | |
| CN215194570U (en) | Syringe for anesthetic | |
| JPS60242865A (en) | Metering means for subcataneous syringe | |
| CN211132472U (en) | Anesthesia department uses anesthetic quantity detection device | |
| CN210355556U (en) | Injection device capable of controlling anesthetic dose | |
| JPH0611337B2 (en) | Syringe and dosage adjustment device | |
| RU67864U1 (en) | INJECTOR | |
| CN217015052U (en) | Anus drenches medicine device for preventing and treating spleen and stomach diseases | |
| CN216629334U (en) | Injection gun with single injection and quantification functions | |
| CN211705500U (en) | High-precision insulin syringe | |
| CN213100079U (en) | Syringe capable of limiting medicine output quantity | |
| CN214633267U (en) | Needleless injector capable of increasing internal pressurization torque | |
| CN220495268U (en) | Dispensing device | |
| CN215274548U (en) | Disposable special chemotherapy medicine configuration syringe | |
| CN220459707U (en) | Face beautifying accurate positioning injector | |
| CN215135857U (en) | Portable device for skin administration or skin administration of cosmetics | |
| CN212913540U (en) | Syringe for injecting specific dose to specific depth for ophthalmology | |
| CN215426634U (en) | Department of anesthesia is with device of dosing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |