CN219835961U - Quantitative medicine injection device - Google Patents
Quantitative medicine injection device Download PDFInfo
- Publication number
- CN219835961U CN219835961U CN202321346931.8U CN202321346931U CN219835961U CN 219835961 U CN219835961 U CN 219835961U CN 202321346931 U CN202321346931 U CN 202321346931U CN 219835961 U CN219835961 U CN 219835961U
- Authority
- CN
- China
- Prior art keywords
- injection
- wall
- fixedly connected
- pushing rod
- piece
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 79
- 239000007924 injection Substances 0.000 title claims abstract description 79
- 239000003814 drug Substances 0.000 title abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 12
- 229940079593 drug Drugs 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007918 intramuscular administration Methods 0.000 description 1
- 238000010255 intramuscular injection Methods 0.000 description 1
- 239000007927 intramuscular injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model belongs to the medical appliances field discloses a ration annotate medicine ware, include: an injection pushing rod piece; the injection tube comprises an inner wall and an outer wall, a cavity is arranged between the inner wall and the outer wall, a moving ring is connected in the cavity in a sliding manner, connecting rods are fixedly connected to two sides of the moving ring, and the connecting rods penetrate through the end part of the injection tube and are fixedly connected with the injection pushing rod piece; the injection pushing rod piece is connected in the injection cylinder in a sliding way; the outer wall is provided with a window, a locating piece is connected in the window in a sliding manner, a screw is connected with the locating piece in a threaded manner, two ends of the screw are rotationally connected with the end part of the injection cylinder, and the upper end of the screw penetrates through the end part of the injection cylinder to be fixedly connected with a knob. Can suck and inject quantitative liquid medicine.
Description
Technical Field
The disclosure belongs to the field of medical appliances, and in particular relates to a quantitative medicine injection device.
Background
An injector is a common medical device, and is commonly used for intramuscular injection, and liquid medicine is injected into a patient to treat the patient. Currently, conventional syringes include a syringe and a piston assembly positioned within the syringe, which is pushed by a plunger assembly to squeeze the liquid drug from the syringe out of the syringe and into the patient's subcutaneous, intramuscular, vascular or other tissue or organ.
However, some special medicines are quantitative during injection, the traditional medicine injector cannot meet the quantitative injection, and the injection quantity can only be controlled subjectively by people, so that the traditional medicine injector does not have the quantitative injection function, cannot inject liquid medicines into the human body, is easy to excessively inject the liquid medicines, cannot accurately control the injection quantity, and accordingly adverse effects are caused on the body of a patient, and the curative effect is affected.
Disclosure of Invention
In view of the shortcomings of the prior art, an object of the present disclosure is to provide a quantitative drug injector capable of sucking and injecting a quantitative drug solution.
The purpose of the disclosure can be achieved by the following technical scheme:
a doser, comprising:
an injection pushing rod piece;
the injection tube comprises an inner wall and an outer wall, a cavity is arranged between the inner wall and the outer wall, a moving ring is connected in the cavity in a sliding manner, connecting rods are fixedly connected to two sides of the moving ring, and the connecting rods penetrate through the end part of the injection tube and are fixedly connected with the injection pushing rod piece;
the injection pushing rod piece is connected in the injection cylinder in a sliding way;
the outer wall is provided with a window, a locating piece is connected in the window in a sliding manner, a screw is connected with the locating piece in a threaded manner, two ends of the screw are rotationally connected with the end part of the injection cylinder, and the upper end of the screw penetrates through the end part of the injection cylinder to be fixedly connected with a knob.
The technical scheme has the principle and technical effects that:
when the injection device is used, the knob is rotated in advance to drive the screw rod to rotate, the positioning piece is driven to move to a preset position along the window, the injection pushing piece is pulled to absorb liquid medicine, in the pulling process, the injection pushing piece drives the connecting rod to move upwards, and then the moving ring is driven to move until the moving ring contacts with the positioning piece and cannot move to a position, and at the moment, the injection tube absorbs quantitative injection.
Further, a notch is formed in the moving ring at a position which is located in the window and close to the screw rod.
Further, the outer side surface of the movable ring is in sliding connection with the outer wall, and the inner side surface of the movable ring is in sliding connection with the outer wall.
Further, the locating piece comprises a moving block, the moving block is in threaded connection with the screw rod, and locating blocks are fixedly connected to two ends of the moving block.
Further, scale marks are carved on the outer wall, which is positioned at the window.
Further, the injection push rod piece comprises a rubber plug which is slidably connected in the inner cavity of the inner wall, the end part of the rubber plug is fixedly connected with a push rod, and the top end of the push rod is fixedly connected with a push plate.
Further, the top end of the connecting rod is fixedly connected with the push plate.
Further, the lower end of the injection tube is detachably and fixedly connected with a needle.
The noun, conjunctive or adjective parts related to the above technical solution are explained as follows:
by fixed connection is meant a connection without any relative movement after the parts or components are fixed. The device is divided into a detachable connection type and a non-detachable type.
(1) The detachable connection is to fix the parts together by using screws, splines, wedge pins and the like. The connection mode can be disassembled during maintenance, and parts cannot be damaged. The connector used must be of the correct size (e.g. length of bolt, key) and tightened properly.
(2) The non-detachable connection mainly refers to welding, riveting, tenon passing matching and the like. Because the parts can be disassembled only by forging, sawing or oxygen cutting during maintenance or replacement, the parts cannot be used for a second time generally. Also, during connection, attention should be paid to process quality, technical inspection and remedial measures (e.g., correction, polishing, etc.).
Threaded connection refers to a detachable connection in which a threaded member (or threaded portion of a connected member) is used to connect the connected member into one body.
Sliding connection means that two objects are in contact but not fixed, and the two objects can slide relatively.
Rotational coupling means that the coupling between the parts causes the parts to rotate relative to each other.
The beneficial effects of the present disclosure are:
can suck and inject quantitative liquid medicine.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described, and it will be apparent to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic overall construction of an embodiment of the present disclosure;
FIG. 2 is a schematic view of a syringe configuration of an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a mobile ring structure in accordance with an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of the structure of FIG. 3A in accordance with an embodiment of the present disclosure;
fig. 5 is a schematic view of an injection pusher member according to an embodiment of the present disclosure.
Detailed Description
The following description of the technical solutions in the embodiments of the present disclosure will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments in this disclosure without inventive faculty, are intended to fall within the scope of this disclosure.
In the description of the present disclosure, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate an orientation or positional relationship, merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present disclosure.
An embodiment of a doser according to the present utility model is described herein in connection with fig. 1-5. Specifically, the doser is configured as a split structure having two components, i.e., an injection plunger member 1 and a syringe barrel 2. Through the mutual cooperation of the structures such as the movable ring 4, the connecting rod 5, the locating piece 6, the screw rod 7 and the like, the screw rod 7 is driven to rotate in advance through the rotary knob 8, the locating piece 6 is driven to move to a preset position along the window 23, the injection pushing rod piece 1 is pulled to absorb liquid medicine, in the pulling process, the injection pushing rod piece 1 drives the connecting rod 5 to move upwards, and then the movable ring 4 is driven to move until the movable ring 4 is in contact with the locating piece 6 and cannot move, and at the moment, the injection cylinder 2 absorbs quantitative injection.
As shown in fig. 1-5, a doser comprising:
an injection pushing rod piece 1;
the injection tube 2, the injection tube 2 includes inner wall 21 and outer wall 22, there is cavity 3 between outer wall 22 and the inner wall 21, there is movable ring 4 in the inner sliding connection of cavity 3, the both sides of movable ring 4 fixedly connect with the connecting rod 5, the connecting rod runs through the end of the injection tube 2 and fixedly connects with injection pushing rod piece 1;
the injection pushing rod piece 1 is connected in the injection cylinder 2 in a sliding way;
the outer wall 22 is provided with a window 23, a positioning piece 6 is connected in the window 23 in a sliding way, the positioning piece 6 is connected with a screw rod 7 in a threaded way, two ends of the screw rod 7 are connected with the end part of the injection cylinder 2 in a rotating way, and the upper end of the screw rod 7 penetrates through the end part of the injection cylinder 2 and is fixedly connected with a knob 8.
When the injection device is used, the knob 8 is rotated in advance to drive the screw rod 7 to rotate, the positioning piece 6 is driven to move to a preset position along the window 23, the injection push rod piece 1 is pulled to absorb liquid medicine, in the pulling process, the injection push rod piece 1 drives the connecting rod 5 to move upwards, and then the moving ring 4 is driven to move until the moving ring 4 is in contact with the positioning piece 6 and cannot move, and at the moment, the injection cylinder 2 absorbs quantitative injection.
Of course, in the present utility model, the moving ring 4 is used for contacting the positioning member 6 to stop the injection pushing rod member 1 from moving continuously, in some embodiments, the moving ring 4 is a ring, a notch ring, two symmetrically arranged semicircular rings, and the notch ring is used for the moving ring 4.
Of course, in the present utility model, the positioning member 6 is used for pre-positioning, and the member for stopping the moving ring 4 from moving further, in some embodiments, the positioning member 6 may be connected with the window in a non-detachable sliding manner, and the positioning member 6 is connected with the positioning member 6 through a bolt in a threaded manner, and the positioning member 6 is fastened by tightening the bolt.
The moving ring 4 is provided with a notch 41 at a position which is positioned in the window 23 and is close to the screw 7. The notch 41 is opened to avoid the screw 7, so that the movable ring 4 can move in the cavity 3 conveniently.
The outer side surface of the movable ring 4 is in sliding connection with the outer wall 22, and the inner side surface of the movable ring 4 is in sliding connection with the outer wall 22. So that the moving ring 4 moves stably within the chamber 3.
The positioning piece 6 comprises a moving block 61, the moving block 61 is in threaded connection with the screw rod 7, and two ends of the moving block 61 are fixedly connected with positioning blocks 62. The knob 8 is rotated to drive the screw rod 7 to rotate, so that the moving block 61 and the positioning block 62 are driven to move to a preset position.
Graduation marks are engraved on the outer wall 22 at the window 23. The setting of scale mark is convenient for know the volume of sucking of syringe liquid medicine.
The injection pushing rod piece 1 comprises a rubber plug 11, the rubber plug 11 is slidably connected in an inner cavity of the inner wall 21, the end part of the rubber plug 11 is fixedly connected with a pushing rod 12, and the top end of the pushing rod 12 is fixedly connected with a pushing plate 13. Pulling the push plate 13 drives the push rod 12 and the rubber plug 11 to move, so that the medicine liquid is sucked and injected into the cavity inside the inner wall 21.
The top end of the connecting rod 5 is fixedly connected with the push plate 13. The movement of the push plate 13 can drive the connecting rod 5 to move, so as to drive the moving ring 4 to move.
The lower end of the injection tube 2 is detachably and fixedly connected with a needle 10. The needle 10 is used for sucking up medical fluid and injecting the medical fluid.
The present utility model provides a dosing device as described in further detail below with reference to the accompanying drawings and embodiments.
A doser, comprising:
an injection pushing rod piece 1;
the injection tube 2, the injection tube 2 includes inner wall 21 and outer wall 22, there is cavity 3 between outer wall 22 and the inner wall 21, there is movable ring 4 in the inner sliding connection of cavity 3, the both sides of movable ring 4 fixedly connect with the connecting rod 5, the connecting rod runs through the end of the injection tube 2 and fixedly connects with injection pushing rod piece 1;
the injection pushing rod piece 1 is connected in the injection cylinder 2 in a sliding way;
the outer wall 22 is provided with a window 23, a positioning piece 6 is connected in the window 23 in a sliding way, the positioning piece 6 is connected with a screw rod 7 in a threaded way, two ends of the screw rod 7 are connected with the end part of the injection cylinder 2 in a rotating way, and the upper end of the screw rod 7 penetrates through the end part of the injection cylinder 2 and is fixedly connected with a knob 8.
According to the application method of the injection syringe, before the use, the rubber plug 11 is positioned at the bottommost end of the cavity on the inner side of the inner wall 21, at the moment, the movable ring 4 is positioned at the bottommost end of the cavity 3, the positioning piece 6 is close to the movable ring 4, at the moment, the scale mark position indicated by the positioning piece 6 is 0, the screw rod 7 is driven to rotate in advance by rotating the knob 8, the positioning piece 6 is driven to move to a preset position along the window 23, the injection syringe 1 is pulled to absorb liquid medicine, and in the pulling process, the injection syringe 1 drives the connecting rod 5 to move upwards, and then drives the movable ring 4 to move until the movable ring 4 is in contact with the positioning piece 6 and cannot move, and at the moment, the injection syringe 2 absorbs quantitative injection.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which have been described in the foregoing and description merely illustrates the principles of the disclosure, and that various changes and modifications may be made therein without departing from the spirit and scope of the disclosure, which is defined in the appended claims.
Claims (8)
1. A dosing dispenser comprising:
an injection pushing rod piece (1);
the injection tube (2), the injection tube (2) comprises an inner wall (21) and an outer wall (22), a cavity (3) is arranged between the inner wall (21) and the outer wall (22), a moving ring (4) is connected in a sliding manner in the cavity (3), connecting rods (5) are fixedly connected to two sides of the moving ring (4), and the connecting rods (5) penetrate through the end parts of the injection tube (2) and are fixedly connected with the injection pushing rod piece (1);
the injection pushing rod piece (1) is connected in the injection cylinder (2) in a sliding way;
the novel injection device is characterized in that a window (23) is formed in the outer wall (22), a positioning piece (6) is connected in the window (23) in a sliding mode, a screw rod (7) is connected to the positioning piece (6) in a threaded mode, two ends of the screw rod (7) are rotatably connected with the end portion of the injection cylinder (2), and a knob (8) is fixedly connected to the upper end of the screw rod (7) in a penetrating mode to the end portion of the injection cylinder (2).
2. A dosing device according to claim 1, characterized in that the moving ring (4) is provided with a notch (41) at a position near the screw (7) and at the window (23).
3. A dosing device according to claim 2, characterized in that the outer side of the moving ring (4) is slidingly connected to the outer wall (22), and the inner side of the moving ring (4) is slidingly connected to the outer wall (22).
4. A dosing and dispensing device according to claim 2, characterized in that the positioning member (6) comprises a moving block (61), the moving block (61) is in threaded connection with the screw (7), and positioning blocks (62) are fixedly connected to two ends of the moving block (61).
5. A dosing device according to claim 3, characterized in that the outer wall (22) is marked with graduations at the window (23).
6. A dosing device according to claim 1, characterized in that the injection pushing rod piece (1) comprises a rubber plug (11), the rubber plug (11) is slidably connected in an inner cavity of the inner wall (21), a pushing rod (12) is fixedly connected to the end part of the rubber plug (11), and a pushing plate (13) is fixedly connected to the top end of the pushing rod (12).
7. A dosing device according to claim 6, characterized in that the top end of the connecting rod (5) is fixedly connected to the push plate (13).
8. A dosing device according to claim 1, characterized in that the lower end of the syringe (2) is detachably and fixedly connected with a needle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321346931.8U CN219835961U (en) | 2023-05-30 | 2023-05-30 | Quantitative medicine injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321346931.8U CN219835961U (en) | 2023-05-30 | 2023-05-30 | Quantitative medicine injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219835961U true CN219835961U (en) | 2023-10-17 |
Family
ID=88305737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321346931.8U Active CN219835961U (en) | 2023-05-30 | 2023-05-30 | Quantitative medicine injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219835961U (en) |
-
2023
- 2023-05-30 CN CN202321346931.8U patent/CN219835961U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8496621B2 (en) | Peristaltic micropump with exchangeable pump head | |
| TW200841894A (en) | Micro-injection device with adjustable volume | |
| CN211434525U (en) | Novel clinical anesthetic needle | |
| CN211301530U (en) | Intelligent painless injector control box | |
| CN219835961U (en) | Quantitative medicine injection device | |
| WO2020125605A1 (en) | Negative pressure suction-type bone cement injection device and injection method | |
| JPS644359Y2 (en) | ||
| CN215194570U (en) | Syringe for anesthetic | |
| CN212214309U (en) | Quantitative injection device for intravenous liquid medicine in oncology department | |
| CN215134807U (en) | Portable simple low-pressure injection for children enhanced CT | |
| CN113171518B (en) | Child-assisted automatic hypodermic syringe | |
| CN208627042U (en) | A kind of high-precision Sclerosing foam preparation facilities | |
| CN206081228U (en) | Dosage control assembly and syringe | |
| CN220002383U (en) | Syringe convenient to use | |
| CN216725410U (en) | High-pressure radiography injection device | |
| CN219661985U (en) | Continuous injector suitable for coccidian vaccine | |
| CN218961490U (en) | Needle special for subcutaneous injection | |
| CN217219774U (en) | Stroke device for electronic injector | |
| CN219005847U (en) | Syringe assembly equipment tool | |
| CN215024085U (en) | Syringe capable of mixing medicine and saline water for intradermal injection | |
| CN205494566U (en) | Precise and quantitative instrument used for injection for injection with treatment material | |
| CN209713875U (en) | A kind of insulin injection pen | |
| CN211272881U (en) | Angiocardiography injector | |
| CN209967278U (en) | Disposable high-pressure contrast syringe | |
| CN220967819U (en) | Quantitative drug administration device for oncology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |