CN108815638A - It is a kind of to facilitate the singlehanded push button injection device used - Google Patents
It is a kind of to facilitate the singlehanded push button injection device used Download PDFInfo
- Publication number
- CN108815638A CN108815638A CN201810305144.6A CN201810305144A CN108815638A CN 108815638 A CN108815638 A CN 108815638A CN 201810305144 A CN201810305144 A CN 201810305144A CN 108815638 A CN108815638 A CN 108815638A
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- Prior art keywords
- connection sheet
- syringe
- button
- push button
- injection device
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
- A61M2005/3152—Piston or piston-rod constructions, e.g. connection of piston with piston-rod including gearings to multiply or attenuate the piston displacing force
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Facilitate the singlehanded push button injection device used the present invention relates to a kind of, including syringe and flexible transmission core bar, the transmission core bar that stretches includes piston and stretching drive mechanism, and stretching drive mechanism includes multi-connecting-rod mechanism and button, one end of multi-connecting-rod mechanism is connected with piston, and the other end is connected with button；Flexible transmission core bar is mounted on syringe, and button drives multi-connecting-rod mechanism to realize the stretching motion in transverse direction by the linear motion in longitudinal direction, and then the piston realization of the multi-connecting-rod mechanism other end is driven to be extracted out or promoted movement in syringe.Of the invention facilitates the singlehanded push button injection device used to be not only suitable for endoscopic one-handed performance, to any technical operation that need to use needle tubing, all because being not necessarily to the hand position for changing inserting needle, injecting or aspirating, and make to operate simpler, syringe needle is more stable, to improve safety.
Description
Technical field
The invention belongs to injector technology fields, are related to a kind of push button injection device for facilitating one hand to use.
Background technique
Being injected and being aspirated with needle tubing is clinically common technical operation, is the daily diagnosis and treatment row that must all carry out daily
For.The operation and the most basic technical ability that clinical each department is closely related and doctor, nurse must grasp.But it is existing
Piston is in backshank, when being aspirated in syringe in technology, it is necessary to both hands operation, a hand hold injection needle tube,
The other hand hold with a firm grip piston rod carry out injection or imbibition.
As medical technology develops, to the safeties of various operations, non-invasive made higher requirement；Even if having
Wound, it is also necessary to accomplish that wound minimizes.Therefore, various endoscopic techniques come into being.Can have in the various operations of Microendoscopic
The clearer visual field, it is further seen that be difficult to peep and dissection dead angle, which greatly improves the safeties of various technical operations.
But endoscope is needed to be stablized with a hand and be held, every technology of originally both hands operation must all be changed to one-handed performance completion.
For example ear-nose-throat department treatment is dashed forward the common injection of tympanum technology such as deaf, dizziness, secretory otitis media, Microendoscopic operation both can be with
It sees the form of eardrum, and injection site can accurately be selected to prevent the fine structure of damage middle ear and inner ear, it can be with
See that drug injection enters the dosage and effect of tympanum.But after a hand handle holds ear endoscope, needle tubing puncture injection must be singlehanded
It completes, but syringe in the prior art is extremely unstable under one-handed performance, the shaking of needle tubing syringe needle may injure external ear
The structure of phonophore and other slim structures, the even important phonosensitive and maintenance balance such as damage inner ear in road, tympanum.Together
When, the operations such as anaesthetic injection, abscess puncture, Irrigation are required to one-handed performance needle tubing under scope, this with regard to an urgent demand I
Invent it is a kind of can one-handed performance needle tubing, make medical personnel that will vary without hand position after needle injection to disease location
It is injected and suction operation.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide it is a kind of facilitate it is singlehanded use by
Button formula injection device.Of the invention facilitates the singlehanded push button injection device used to be not only suitable for endoscopic one-handed performance, right
Any technical operation that need to use needle tubing, all because being not necessarily to the hand position for changing inserting needle, injecting or aspirating, and keeps operation simpler
Single, syringe needle is more stable, to improve safety.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of to facilitate the singlehanded push button injection device used, the push button injection device for facilitating one hand to use includes syringe
With flexible transmission core bar, the flexible transmission core bar includes piston and stretching drive mechanism, and the stretching drive mechanism includes more
One end of link mechanism and button, the multi-connecting-rod mechanism is connected with piston, and the other end is connected with button；The flexible transmission core
Bar is mounted on syringe, and button drives multi-connecting-rod mechanism to realize in the flexible of transverse direction by the linear motion in longitudinal direction
Movement, and then the piston realization of the multi-connecting-rod mechanism other end is driven to be extracted out or promoted movement in syringe.
Further, the generally body of rod of the button, the right end that longitudinal direction is threaded through the syringe are equipped with through-hole；It is described
Mounting plate is transversely provided in syringe on the left of button；The multi-connecting-rod mechanism is parallel with the mounting plate.
Further, the syringe includes conveyor front barrel and rear cylinder body；The multi-connecting-rod mechanism is mounted in conveyor front barrel；It is described
Button is located in rear cylinder body, and two pieces of mounting plates being parallel to each other are equipped in the rear cylinder body, and the multi-connecting-rod mechanism is located at two pieces
Between the mounting plate being parallel to each other.
Further, the multi-connecting-rod mechanism includes the flexible frame body being formed by connecting by multiple telescopic units, each flexible
Unit includes two cross-shaped connection sheets.
Further, the multi-connecting-rod mechanism further includes link block, passes through link block between the flexible frame body and piston
It is connected, the multi-connecting-rod mechanism is set in syringe, slide plate is additionally provided on the side wall of the button, the slide plate also is located at two pieces of phases
It is mutually between parallel mounting plate and parallel with mounting plate；The end of a connecting piece in the telescopic unit of the flexible frame body left end
Portion is connect with link block, and the end of another connection sheet is connect with the sliding block in the sliding slot for being installed on link block；The flexible frame body
The end of a connecting piece in the telescopic unit of right end is connect with button, the mounting plate in the end and syringe of another connection sheet
Connection；The end for the connection sheet being connected with sliding block with and the same side in syringe of the end of connection sheet that is connected of button.
Further, each telescopic unit includes two cross-shaped the first connection sheets and the second connection sheet；Each stretch
It is parallel to each other between first connection sheet of contracting unit, is parallel to each other between the second connection sheet of each telescopic unit；It is described flexible
The end of the first connection sheet in the telescopic unit of frame body left end is connect with link block, the end of the second connection sheet be installed on
Sliding block connection in the sliding slot of link block；The end of the first connection sheet in the telescopic unit of the flexible frame body right end passes through
Slide plate is connect with button, the mounting plate connection in the end and syringe of the second connection sheet.
Further, the both ends of the connection sheet have a connecting hole, and centre is provided with fixation hole, the telescopic unit it
Between connection sheet carried out by connecting hole it is hinged；It is carried out hingedly between two connection sheets in each telescopic unit by fixation hole.
Further, one end of the link block internal chute side wall also is provided with connecting hole corresponding with connection sheet, the cunning
One end of block also is provided with connecting hole corresponding with connection sheet, and one end of the slide plate also is provided with connecting hole corresponding with connection sheet,
Mounting plate right end in two pieces of mounting plates being parallel to each other positioned at lower part also also is provided with connecting hole corresponding with connection sheet, institute
Stating link block, sliding block, slide plate, mounting plate, by connecting hole to distinguish corresponding connection sheet hinged.
Further, the linkage section that the link block is connect with piston is coniform；Volume is provided on the conveyor front barrel
Calibrated scale line.
Further, volumetric calibration graduation mark energy is provided on the conveyor front barrel, it is intuitive to read liquid medicine injection amount.
Of the invention facilitates in the singlehanded push button injection device used, and multi-connecting-rod mechanism is provided with transmission ratio, by a small margin
Pressing operation realize piston motion distance by a relatively large margin, take into account the convenience of one-handed performance and the requirement of injection volume.
It is additionally provided with needle tubing Warning Mark on the button facilitated in the singlehanded push button injection device used of the invention, it can be with
Mark thumb to the pressing direction of button.
Inventive principle：Of the invention to facilitate the singlehanded push button injection device used, when use, can use thumb press button
It moves along a straight line longitudinally, the slide plate of push button can drive stretching for transverse direction of the multi-connecting-rod mechanism in syringe at this time
Contracting movement, and then the piston realization of the multi-connecting-rod mechanism other end is driven to be extracted out or promoted movement in syringe.For example thumb is just
It longitudinally carrying out linear motion is that Y-axis moves to push button, through multi-connecting-rod mechanism drive piston to X-axis negative direction movement injection
Medical fluid；The reversed push button of thumb moves to X-axis positive direction through multi-connecting-rod mechanism drive piston and draws medical fluid.Therefore, of the invention
Facilitate the singlehanded push button injection device used to be not only suitable for endoscopic one-handed performance, to any technology that need to use needle tubing
Operation all because without the hand position that changes inserting needle, inject or aspirate, and makes to operate simpler, and syringe needle is more stable, to mention
High safety.
Beneficial effect
The of the invention multi-connecting-rod mechanism for facilitating the singlehanded push button injection device setting used it is mainly hinged by more connecting rods and
At, the unstability of parallelogram has been used, has realized stretching motion, simple and convenient, flexibility height.
It is of the invention to facilitate in the singlehanded push button injection device used, the two sides of multi-connecting-rod mechanism end in link block and
It is that side is fixedly connected at button, the other side is slidably connected（That is sliding block drives multi link by sliding in link block
The connection sheet of mechanism end side moves；Slide plate on button is pressed by finger, realizes the longitudinal sliding motion between mounting plate, into
And the connection sheet of multi-connecting-rod mechanism the other end side is driven to move, to realize stretching motion and the transmission side of multi-connecting-rod mechanism
To change, by Y direction pressing linear motion change into X-direction piston linear motion.
Of the invention facilitates in the singlehanded push button injection device used, and two mounting plates being parallel to each other are arranged in syringe
Purpose first is that in order to fix the side of multi-connecting-rod mechanism end, in addition also for making multi-connecting-rod mechanism be parallel to each other two
Better position-limiting action, use are safer between mounting plate.
Detailed description of the invention
Fig. 1 is the top view for facilitating the singlehanded push button injection device used of the invention；
Fig. 2 is the front view for facilitating the singlehanded push button injection device used of the invention；
Fig. 3 is the cross-sectional view for facilitating the singlehanded push button injection device used of the invention；
Fig. 4 is the structural schematic diagram of the button for facilitating the singlehanded push button injection device used of the invention；
Fig. 5 is the structural schematic diagram of the rear cylinder body for facilitating the singlehanded push button injection device used of the invention；
Fig. 6 is the structural schematic diagram of the link block for facilitating the singlehanded push button injection device used of the invention；
Fig. 7 is the structural schematic diagram of the sliding block for facilitating the singlehanded push button injection device used of the invention；
Fig. 8 is the structural schematic diagram of the connection sheet for facilitating the singlehanded push button injection device used of the invention；
Fig. 9 is the connection structure signal of the multi-connecting-rod mechanism for facilitating the singlehanded push button injection device used and button of the invention
Figure；
Movement structure when Figure 10 is the stretching drive mechanism stretching, extension for facilitating the singlehanded push button injection device used of the invention
Schematic diagram；
Figure 11 is the movement structure when stretching drive mechanism of the singlehanded push button injection device used being facilitated to shrink of the invention
Schematic diagram.
Wherein, 1- conveyor front barrel, 2- stretch frame body, 21- connection sheet, 211- connecting hole, 212- fixation hole, 3- rear cylinder body, 31-
Mounting plate, 4- button, 41- slide plate, 5- link block, 51- sliding block, 6- piston.
Specific embodiment
The invention will be further elucidated with reference to specific embodiments.It should be understood that these embodiments are merely to illustrate this hair
It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, art technology
Personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Fixed range.
Embodiment 1
As shown in attached drawing 1-11 be it is of the invention it is a kind of facilitate the singlehanded push button injection device used, facilitate it is singlehanded use by
Button formula injection device syringe and flexible transmission core bar, flexible transmission core bar include piston 6 and stretching drive mechanism, driver of stretching
Structure includes multi-connecting-rod mechanism and button 4, and one end of multi-connecting-rod mechanism is connected with piston 6, and the other end is connected with button 4；It is flexible to pass
Dynamic core bar is mounted on syringe, and button 4 drives multi-connecting-rod mechanism to realize in transverse direction by the linear motion in longitudinal direction
Stretching motion, and then drive the multi-connecting-rod mechanism other end piston 6 realization be extracted out or promoted movement in syringe.
The generally body of rod of button, the right end that longitudinal direction is threaded through syringe are equipped with through-hole；In syringe on the left of button laterally
Equipped with mounting plate；Multi-connecting-rod mechanism is parallel with mounting plate.
Syringe includes conveyor front barrel 1 and rear cylinder body 3；Link block 5 and flexible frame body 2 are installed in conveyor front barrel 1；Button 4 is set
In rear cylinder body 3, two pieces of mounting plates 31 being parallel to each other are equipped in rear cylinder body 3, what multi-connecting-rod mechanism was parallel to each other positioned at two pieces
Between mounting plate 31, slide plate 41 is additionally provided on the side wall of button 4, slide plate 41 also is located between two pieces of mounting plates being parallel to each other 31
And it is parallel with mounting plate 31.Of the invention facilitates in the singlehanded push button injection device used, and it is mutually flat that two are arranged in syringe
The purpose of capable mounting plate 31 is first is that in order to fix the side of multi-connecting-rod mechanism end, in addition also for making multi-connecting-rod mechanism exist
Better position-limiting action between two mounting plates being parallel to each other, use are safer.
Multi-connecting-rod mechanism includes the flexible frame body 2 being formed by connecting by multiple telescopic units, and each telescopic unit includes two
Cross-shaped connection sheet 21.The of the invention flexible frame body 2 for facilitating the singlehanded push button injection device setting used mainly by
More connection sheets（Connecting rod）It hingedly forms, has used the unstability of parallelogram, realize stretching motion, simple and convenient, spirit
It is active high.
Multi-connecting-rod mechanism further includes link block 5, stretches and is connected between frame body 2 and piston 6 by link block 5, multi link machine
Structure is also set in syringe；The sliding block being installed in the sliding slot of link block 5 is equipped in link block 5；Flexible 2 left end of frame body stretches
The end of a connecting piece 21 in unit is connect with link block 5, the end of another connection sheet 21 and the sliding slot for being installed on link block 5
Interior sliding block 51 connects；The end of a connecting piece 21 in the telescopic unit of flexible 2 right end of frame body is connect with button 4, another
Mounting plate connection in the end and syringe of connection sheet 21；The end for the connection sheet 21 being connected with sliding block 51 with and button 4 be connected
Connection sheet 21 the same side in syringe of end.Of the invention facilitates in the singlehanded push button injection device used, stretches
The two sides of 2 end of frame body are that side is fixedly connected at link block 5 and button 4, and the other side is slidably connected（I.e. sliding block 51 passes through
It is slided in link block 5, and then the connection sheet 21 of flexible 2 end side of frame body is driven to move；Slide plate 41 on button 4 passes through hand
Refer to pressing, realize the longitudinal sliding motion between mounting plate 31, and then the connection sheet 21 of flexible 2 the other end side of frame body is driven to transport
It is dynamic, to realize the stretching motion of flexible frame body 2 and the change of transmission direction, the pressing linear motion of Y direction is changed into X
The linear motion of the piston 6 of axis direction.
Each telescopic unit includes two cross-shaped the first connection sheets and the second connection sheet；The of each telescopic unit
It is parallel to each other between a connecting piece, is parallel to each other between the second connection sheet of each telescopic unit；Flexible 2 left end of frame body is stretched
The end of the first connection sheet in contracting unit is connect with link block 5, the end of the second connection sheet and the sliding slot for being installed on link block 5
Interior sliding block 51 connects；The end of the first connection sheet in the telescopic unit of flexible 2 right end of frame body passes through slide plate 41 and button 4
It connects, the mounting plate 31 in the end and syringe of the second connection sheet connects.
The both ends of connection sheet 21 have connecting hole 211, and centre is provided with fixation hole 212, the connection between telescopic unit
Piece 21 is carried out hingedly by connecting hole 211；It is carried out hingedly between two connection sheets in each telescopic unit by fixation hole.
One end of 5 internal chute side wall of link block also is provided with connecting hole corresponding with connection sheet, and one end of sliding block 51 also is provided with
Connecting hole corresponding with connection sheet, one end of slide plate 41 also are provided with connecting hole corresponding with connection sheet, two pieces of peaces being parallel to each other
31 right end of mounting plate in loading board 31 positioned at lower part also also is provided with connecting hole corresponding with connection sheet 21, link block 5, sliding block 51,
Slide plate 41, mounting plate 31 distinguish corresponding connection sheet 21 hingedly by connecting hole.
The linkage section that link block 5 is connect with piston 6 is coniform.
Volumetric calibration graduation mark energy is provided on conveyor front barrel 1, it is intuitive to read liquid medicine injection amount.Of the invention facilitates one hand to make
In push button injection device, multi-connecting-rod mechanism is provided with transmission ratio, and pressing operation by a small margin realizes work by a relatively large margin
6 move distances are filled in, the convenience of one-handed performance and the requirement of injection volume are taken into account.
It is additionally provided with needle tubing Warning Mark on the button facilitated in the singlehanded push button injection device used of the invention, it can be with
Mark thumb to the pressing direction of button.
Inventive principle：Of the invention to facilitate the singlehanded push button injection device used, when use, can use thumb press button 4
It moves along a straight line longitudinally, the slide plate 41 of push button 4 can drive transverse direction of the multi-connecting-rod mechanism in syringe at this time
Stretching motion, and then drive the multi-connecting-rod mechanism other end piston 6 realization be extracted out or promoted movement in syringe.Such as thumb
Refer to just to be that Y-axis moves longitudinally carrying out linear motion to push button 4, is transported through multi-connecting-rod mechanism drive piston 6 to X-axis negative direction
Dynamic liquid medicine injection；The reversed push button 4 of thumb moves to X-axis positive direction through multi-connecting-rod mechanism drive piston 6 and draws medical fluid.Cause
This, it is of the invention that the singlehanded push button injection device used is facilitated to be not only suitable for endoscopic one-handed performance, to it is any need using
The technical operation of needle tubing all because without the hand position that changes inserting needle, inject or aspirate, and makes to operate simpler, and syringe needle is more
Stablize, to improve safety.
Claims (9)
1. a kind of facilitate the singlehanded push button injection device used, it is characterized in that：It is described to facilitate the singlehanded push button injection used
Device includes syringe and flexible transmission core bar, and the flexible transmission core bar includes piston and stretching drive mechanism, the flexible biography
Motivation structure includes multi-connecting-rod mechanism and button, and one end of the multi-connecting-rod mechanism is connected with piston, and the other end is connected with button；Institute
It states flexible transmission core bar to be mounted on syringe, button drives multi-connecting-rod mechanism to realize in cross by the linear motion in longitudinal direction
To the stretching motion in direction, and then the piston realization of the multi-connecting-rod mechanism other end is driven to be extracted out or promoted movement in syringe.
2. a kind of push button injection device for facilitating one hand to use according to claim 1, it is characterized in that：The button
The generally body of rod, the right end that longitudinal direction is threaded through the syringe are equipped with through-hole；Peace is transversely provided in syringe on the left of the button
Loading board；The multi-connecting-rod mechanism is parallel with the mounting plate.
3. a kind of push button injection device for facilitating one hand to use according to claim 2, it is characterized in that：The syringe packet
Include conveyor front barrel and rear cylinder body；The multi-connecting-rod mechanism is mounted in conveyor front barrel；The button is located in rear cylinder body, the rear cylinder body
Two pieces of mounting plates being parallel to each other inside are equipped with, the multi-connecting-rod mechanism is located between two pieces of mounting plates being parallel to each other.
4. a kind of push button injection device for facilitating one hand to use according to claim 3, it is characterized in that：The multi link
Mechanism includes the flexible frame body being formed by connecting by multiple telescopic units, and each telescopic unit includes two cross-shaped connections
Piece.
5. a kind of push button injection device for facilitating one hand to use according to claim 4, it is characterized in that：The multi link
Mechanism further includes link block, is connected between the flexible frame body and piston by link block, and the multi-connecting-rod mechanism is set to syringe
It is interior, be additionally provided with slide plate on the side wall of the button, the slide plate also be located between the mounting plate that two pieces are parallel to each other and with installation
Plate is parallel；The end of a connecting piece in the telescopic unit of the flexible frame body left end is connect with link block, another connection sheet
End connect with the sliding block in the sliding slot for being installed on link block；A connection in the telescopic unit of the flexible frame body right end
The end of piece is connect with button, the mounting plate connection in the end and syringe of another connection sheet；The connection sheet being connected with sliding block
End with and the same side in syringe of the end of connection sheet that is connected of button.
6. a kind of push button injection device for facilitating one hand to use according to claim 5, it is characterized in that：It is each flexible single
Member includes two cross-shaped the first connection sheets and the second connection sheet；It is mutually flat between first connection sheet of each telescopic unit
It goes, is parallel to each other between the second connection sheet of each telescopic unit；First in the telescopic unit of the flexible frame body left end
The end of connection sheet is connect with link block, and the end of the second connection sheet is connect with the sliding block in the sliding slot for being installed on link block；Institute
The end for stating the first connection sheet in the telescopic unit of flexible frame body right end is connect by slide plate with button, the second connection sheet
End is connect with the mounting plate in syringe.
7. a kind of push button injection device for facilitating one hand to use according to claim 6, it is characterized in that：The connection sheet
Both ends have connecting hole, centre is provided with fixation hole, and the connection sheet between the telescopic unit is cut with scissors by connecting hole
It connects；It is carried out hingedly between two connection sheets in each telescopic unit by fixation hole.
8. a kind of push button injection device for facilitating one hand to use according to claim 7, it is characterized in that：The link block
One end of internal chute side wall also is provided with connecting hole corresponding with connection sheet, and one end of the sliding block also is provided with corresponding with connection sheet
Connecting hole, one end of the slide plate also are provided with connecting hole corresponding with connection sheet, position in two pieces of mounting plates being parallel to each other
Mounting plate right end in lower part also also is provided with connecting hole corresponding with connection sheet, and the link block, sliding block, slide plate, mounting plate are logical
Crossing connecting hole, to distinguish corresponding connection sheet hinged.
9. a kind of push button injection device for facilitating one hand to use according to claim 8, it is characterized in that：The link block
The linkage section connecting with piston is coniform；Volumetric calibration graduation mark is provided on the conveyor front barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810305144.6A CN108815638B (en) | 2018-04-08 | 2018-04-08 | Button type injection device convenient for single hand use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810305144.6A CN108815638B (en) | 2018-04-08 | 2018-04-08 | Button type injection device convenient for single hand use |
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| Publication Number | Publication Date |
|---|---|
| CN108815638A true CN108815638A (en) | 2018-11-16 |
| CN108815638B CN108815638B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810305144.6A Active CN108815638B (en) | 2018-04-08 | 2018-04-08 | Button type injection device convenient for single hand use |
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| CN205272608U (en) * | 2015-12-08 | 2016-06-01 | 南京百川行远激光科技有限公司 | Flexible push -down advancing mechanism of 3D print pen ink |
| CN205549141U (en) * | 2016-03-31 | 2016-09-07 | 唐建忠 | Electronic syringe |
| CN206424152U (en) * | 2016-09-05 | 2017-08-22 | 北京积水潭医院 | Endoscopy support under a kind of intravenous anesthesia |
| CN107243090A (en) * | 2017-06-23 | 2017-10-13 | 刘津 | Earwax flusher |
| CN209378196U (en) * | 2018-04-08 | 2019-09-13 | 复旦大学附属眼耳鼻喉科医院 | It is a kind of to facilitate the singlehanded push button syringe used |
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