CN107158521A - It is fixed to be vented and repeat practical quantitative injection device - Google Patents
It is fixed to be vented and repeat practical quantitative injection device Download PDFInfo
- Publication number
- CN107158521A CN107158521A CN201710494070.0A CN201710494070A CN107158521A CN 107158521 A CN107158521 A CN 107158521A CN 201710494070 A CN201710494070 A CN 201710494070A CN 107158521 A CN107158521 A CN 107158521A
- Authority
- CN
- China
- Prior art keywords
- claw
- upper casing
- vented
- injection device
- housing hole
- 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.)
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Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
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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
The present invention relates to a kind of fixed quantitative injection device for being vented and repeating practicality, including injection button, adjusting rod, push rod, upper casing, clutch pack, nipple and pen core support, the upper casing is provided with upper housing hole, the adjusting rod is stretched into the upper housing hole of upper casing, the adjusting rod is provided with regulation rod aperture, injection button is stretched into the regulation rod aperture of adjusting rod, clutch pack includes claw joint, spring, guide sleeve, spacing claw, clutch pack is arranged in the upper housing hole of upper casing, the end periphery of the upper casing is provided with three gear marks, the upper housing hole inwall of the corresponding upper casing of three gear marks is provided with three positive stop necks, positive stop neck is used cooperatively with positive stop, the upper housing hole inwall of upper casing is provided with a plurality of strike coordinated with elasticity impact block and erects muscle, the periphery of push rod is provided with the step-like latch used cooperatively with regulation claw.The present invention be both vented it is adjustable, again can disposably decoction all injection complete.
Description
Technical field
The present invention relates to a kind of syringe, especially a kind of band reusable quantitative injection device of degassing function.
Background technology
Syringe uses quite varied in medical field, for the injection to bottled medicinal liquor.Existing syringe products exist
Exhaust is usually required during injection, that is, discharges the gas in needle tubing so that gas will not be injected into human body.For 1.5ml cassettes
Bottle, some existing products can not accomplish accurate exhaust, all be to estimate exhaust using human eye directly observation.When can increase injection
Error, it is impossible to accomplish both to be vented by a set of control system adjustable, disposably can all inject decoction again.
The content of the invention
It is an object of the invention to provide one kind be both vented it is adjustable, again can disposably decoction all inject complete quantifying
Injection device.
In order to achieve the above object, the technical scheme is that：A kind of fixed quantitative note for being vented and repeating practicality
On injection device, including injection button, adjusting rod, push rod, upper casing, clutch pack, nipple and pen core support, the upper casing
Provided with upper housing hole, the adjusting rod is stretched into the upper housing hole of upper casing, and the adjusting rod is stretched into provided with regulation rod aperture, injection button
In the regulation rod aperture of adjusting rod, clutch pack includes claw joint, spring, guide sleeve and spacing claw, clutch pack peace
In the upper housing hole of upper casing, the pen core support is connected by nipple with upper casing, and the pusher section is located at adjusting rod
In hole, and through clutch pack, and stretch into pen core support, the end of the adjusting rod is provided with outside regulation claw, end
Week, the end periphery of the upper casing was provided with three gear marks, three gear marks pair provided with positive stop and elasticity impact block
The upper housing hole inwall for the upper casing answered is used cooperatively provided with three positive stop necks, positive stop neck with positive stop, upper casing
Upper housing hole inwall be provided with a plurality of strike coordinated with elasticity impact block and erect muscle, the periphery of push rod, which is provided with to coordinate with regulation claw, to be made
Step-like latch, one of them is vertical with the periphery of push rod for two faces of step-like latch, and another face is inclined-plane, and
The periphery of push rod also sets up axial guiding smooth surface, is oriented to set in smooth surface and is oriented to slope, be oriented to the inclined-plane on slope with it is step-like
The inclined-plane opposite direction of latch is set, and the claw joint of the clutch pack is fixedly connected with the upper housing hole inwall of upper casing, institute
The one end for stating spacing claw is fixedly connected on claw joint, and the spacing claw is provided with claw hole, guide sleeve and claw hole
Sliding connection, one end and the claw joint of the spring offset, and the other end offsets with guide sleeve.
The end of the adjusting rod is provided with the cue mark used cooperatively with three gear marks of housing.
The regulation claw of the adjusting rod is six hocks, and is oppositely arranged with three for one group.
The spacing claw of the clutch pack is six hocks, and is oppositely arranged with three for one group.
The claw joint of the clutch pack is provided with the ring-type positive stop lug boss of limit spring, the upper housing hole inwall of upper casing
Provided with axial limiting groove, the periphery of claw joint is provided with the spacing preiection used cooperatively with limited impression.
The upper housing hole inwall of the upper casing sets spacing arcwall face, the claw joint and spacing claw periphery be equipped with
The confined planes that spacing arcwall face coordinates.
Block is stretched out in the periphery of the guide sleeve provided with two crosses, and the claw hole inwall of the spacing claw is provided with and cross
Stretch out the claw hole groove that block coordinates.
The nipple is threadedly coupled with upper casing, and pen core support is threadedly coupled with nipple, and is set in pen core support
There is the chamber for accommodating medicine bottle.
The end of the push rod is provided with the piston stretched into medicine bottle.
Lid is also installed with the nipple and puts the cap for brush on pen core support.
After said structure, injection process of the present invention is direct-push, and 3 gears are set up in injection separately：Exhaust, is injected, and is resetted,
Difference in functionality is realized by user's selection.Exhaust：In this case, adjusting rod is pulled out, now due to the regulation of regulation boom end
Relative slip between claw and the step-like latch of push rod, adjusting rod will not drive and be lifted on push rod, and then user presses regulation
Bar pushes down on push rod, stuck between the regulation claw of regulation boom end and the step-like latch of push rod, and adjusting rod, which drives, to be promoted
Push rod, realizes quantitative degassing function.Injection：In this case, adjusting rod is pulled out, now due to the regulation claw of regulation boom end
Relative slip between the step-like latch of push rod, adjusting rod will not drive on push rod lift, then user by lower dolly bar to
Lower promotion push rod, stuck between the regulation claw of regulation boom end and the step-like latch of push rod, adjusting rod, which drives, promotes push rod,
User, which realizes, pushes away medicine injection.Reset：In this case, clutch pack is in from state, and push rod can just be pushed back, and realize dressing work(
Energy.Therefore the present invention be both vented it is adjustable, again can disposably decoction all injection complete.
Brief description of the drawings
Fig. 1 is the structure sectional view of the present invention；
Fig. 2 is Fig. 1 explosive view；
Fig. 3 is Fig. 2 upper casing stereogram；
Fig. 4 is the sectional view of upper casing；
Fig. 5 is Fig. 2 adjusting rod stereogram；
Fig. 6 is Fig. 2 push rod stereogram；
Fig. 7 is Fig. 2 clutch pack stereogram.
Embodiment
The present invention is further detailed explanation for the embodiment provided below in conjunction with accompanying drawing.
Referring to shown in Fig. 1-7, a kind of fixed exhaust simultaneously repeats practical quantitative injection device, including injection button 1, tune
Pole 2, push rod 3, upper casing 4, clutch pack 5, nipple 7 and pen core support 8, the upper casing 4 are provided with upper housing hole 41, institute
State adjusting rod 2 to stretch into the upper housing hole 41 of upper casing 4, the adjusting rod 2 stretches into regulation provided with regulation rod aperture 21, injection button 1
In the regulation rod aperture 21 of bar 2, clutch pack 5 includes claw joint 51, spring 52, guide sleeve 53 and spacing claw 54, clutch
Device assembly 5 is arranged in the upper housing hole 41 of upper casing 4, and the pen core support 8 is connected by nipple 7 with upper casing 4, the push rod
3 parts are located in regulation rod aperture 21, and through clutch pack 5, and stretch into pen core support 8, the end of the adjusting rod 2 is set
There is regulation claw 22, the periphery of end is provided with positive stop 23 and elasticity impact block 24, and the end periphery of the upper casing 4 is provided with three
Individual gear mark 43 is exhaust, injection respectively and is resetted, and the inwall of upper housing hole 41 of the corresponding upper casing 4 of three gear marks 43 is set
There are three positive stop necks 44, positive stop neck 44 is used cooperatively with positive stop 23, the inwall of upper housing hole 41 of upper casing 4 is set
There is a plurality of strike coordinated with elasticity impact block 24 to erect muscle 42, the periphery of push rod 3 is provided with the platform used cooperatively with regulation claw 22
Scalariform latch 31, one of them is vertical with the periphery of push rod 3 in two faces of step-like latch 31, and another face is inclined-plane, and is pushed away
The periphery of bar 3 also sets up axial guiding smooth surface 32, is oriented to set in smooth surface 32 and is oriented to slope 33, be oriented to the inclined-plane on slope 33 with
The inclined-plane opposite direction of step-like latch 31 is set, in the claw joint 51 of the clutch pack 5 and the upper housing hole 41 of upper casing 4
Wall is fixedly connected, and one end of the spacing claw 54 is fixedly connected on claw joint 51, and the spacing claw 54 is provided with card
Pawl hole 541, guide sleeve 53 and claw hole 541 sliding be connected, and one end and the claw joint 51 of the spring 52 offset, the other end and
Guide sleeve 53 offsets.
It is shown in Figure 5, use, allow users to clear in order to coordinate exhaust, injecting and reset these three gear marks 43
Clear resolution is used.The end of the adjusting rod 2 is provided with the cue mark used cooperatively with three gear marks 43 of housing 4
25。
Shown in Figure 5, the regulation claw 22 of the adjusting rod 2 is six hocks, and is oppositely arranged with three for one group,
So when resetting push rod 3, regulation claw 22 can coordinate with being oriented to the guiding slope 33 set in smooth surface 32, pull push rod
3 reset.
Shown in Figure 7, in order to be engaged with step-like latch 31, the spacing claw 54 of the clutch pack 5 is six
Individual hock, and be oppositely arranged with three for one group.
It is shown in Figure 7, for limit spring 52, and facilitate claw joint 51 that positioning, the clutch pack 5 are installed
Claw joint 51 be provided with the ring-type positive stop lug boss 511 of limit spring 52, the inwall of upper housing hole 41 of upper casing 4 is provided with axial limiting
Groove 411, the periphery of claw joint 51 is provided with the spacing preiection 512 used cooperatively with limited impression 411.
Referring to shown in Fig. 3 and 7, claw joint 51 and spacing claw 54 are positioned for convenience, will not be rotated when mobile, described
The inwall of upper housing hole 41 of upper casing 4 sets spacing arcwall face 412, and claw joint 51 and spacing claw 54 periphery is equipped with and limited
The confined planes 58 that position arcwall face 412 coordinates.
It is shown in Figure 7, in order to when guide sleeve 53 be moved, the hock of spacing claw 54 be pushed up open, clutch is realized
Component 5 from state, facilitate push rod 3 to reset.Block 531 is stretched out in the periphery of the guide sleeve 53 provided with two crosses, described spacing
The inwall of claw hole 541 of claw 54 is provided with stretches out the claw hole groove 542 that block 531 coordinates with cross.
It is shown in Figure 2, medicine bottle is changed for convenience, the nipple 7 is threadedly coupled with upper casing 1, pen core support 8 with
Nipple 7 is threadedly coupled, and provided with the chamber 81 for accommodating medicine bottle in pen core support 8.
Shown in Figure 6, the end of the push rod 3 is provided with the piston 35 stretched into medicine bottle.The diameter of piston 35 is less than medicine
The internal diameter of bottle,
It is shown in Figure 2, for dust-proof effect, lid is also installed with the nipple 7 and puts the cap for brush on pen core support 8
10。
The present invention is in use, exhaust condition：Adjusting rod 2 is rotated, the cue mark 25 on adjusting rod 2 is aligned on upper casing 4
Gear mark 43 in be vented mark, a sound of " rattling away " can be sent while in place（Elasticity impact block 24 on adjusting rod 2 is impacted
The sound that a plurality of strike of the inwall of upper housing hole 41 of upper casing 4 is erected muscle 42 and produced）, represent selection degassing function.Pull out adjusting rod
2, now due to the relative slip between the regulation claw 22 of the end of adjusting rod 2 and the step-like latch 31 of push rod 3, also send
The sound of " rattling away ", reminds user to prepare in place.Now, after pen core support 8 is installed, pen core support 8 withstands leading for clutch pack 5
Block 531, meeting pressuring spring 52 so that spacing claw 54 blocks the step-like latch 31 of push rod 3, push rod are stretched out to the cross of set 53
3 can only unidirectional motion, state of the clutch in conjunction.Then user presses lower dolly bar 2, and adjusting rod 2 is step-like with push rod 3
Latch 31 is blocked, and is pushed down on push rod 3 and is realized exhaust, when exhaust is completed, capacity is fixed.
Injection state：Adjusting rod 2 is rotated, the cue mark 25 on adjusting rod 2 is aligned in the gear mark 43 on upper casing 4
Injection mark, can send a sound of " rattling away " while in place（Elasticity impact block 24 on adjusting rod 2 impacts the upper housing hole of upper casing 4
The sound that a plurality of strike of 41 inwalls is erected muscle 42 and produced）, represent selection function of injection.Adjusting rod 2 is pulled out, now due to regulation
Relative slip between the regulation claw 22 of the end of bar 2 and the step-like latch 31 of push rod 3, also sends the sound of " rattling away ", reminds
User prepares in place.Now, after pen core support 8 is installed, the cross that pen core support 8 withstands the guide sleeve 53 of clutch pack 5 is stretched
Go out block 531, meeting pressuring spring 52 so that spacing claw 54 blocks the step-like latch 31 of push rod 3, push rod 3 can only one direction fortune
Dynamic, clutch is in the state closed.Then user presses lower dolly bar 2, and the step-like latch 31 of adjusting rod 2 and push rod 3 is blocked, to
Lower promotion push rod 3 realizes injection.
Reset state：Adjusting rod 2 is rotated, the cue mark 25 on adjusting rod 2 is aligned in the gear mark 43 on upper casing 4
Reseting mark, can send a sound of " rattling away " while in place（Elasticity impact block 24 on adjusting rod 2 impacts the upper housing hole of upper casing 4
The sound that a plurality of strike of 41 inwalls is erected muscle 42 and produced）, represent selection reset function.Remove pen core support 8 and medicine bottle, clutch
The spring 52 of device assembly 5 resets so that spacing claw 54 unclamps the step-like latch 31 of push rod 3, and push rod 3 can do pull-out fortune
It is dynamic, clutch be in from state.Now the regulation claw 22 of adjusting rod 2 is placed exactly in the position of guiding smooth surface 32 of push rod 3, adjusts
The guiding slope 33 that section claw 22 is set with being oriented in smooth surface 32 is stuck, and pulling with hand adjusting rod 2 just can drive push rod 3 to retract
To original position, dressing function is realized, preparation is injected again, so as to realize reuse.Except on the position of reset and removing
After pen core support 8, push rod 3 could retract outer；Remaining state lower push-rod 3 can only unidirectionally forward.Therefore the present invention be both vented it is adjustable,
Again can be disposably decoction all injection completions, injection volume is accurate.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (10)
1. a kind of fixed quantitative injection device for being vented and repeating practicality, it is characterised in that：Including injection button（1）, regulation
Bar（2）, push rod（3）, upper casing（4）, clutch pack（5）, nipple（7）With pen core support（8）, the upper casing（4）On set
There is upper housing hole（41）, the adjusting rod（2）Stretch into upper casing（4）Upper housing hole（41）It is interior, the adjusting rod（2）It is provided with adjusting rod
Hole（21）, injection button（1）Stretch into adjusting rod（2）Regulation rod aperture（21）It is interior, clutch pack（5）Including claw joint
（51）, spring（52）, guide sleeve（53）With spacing claw（54）, clutch pack（5）Installed in upper casing（4）Upper housing hole（41）
It is interior, the pen core support（8）Pass through nipple（7）With upper casing（4）Connection, the push rod（3）Part is located at regulation rod aperture
（21）It is interior, and pass through clutch pack（5）, and stretch into pen core support（8）It is interior, the adjusting rod（2）End provided with regulation block
Pawl（22）, the periphery of end is provided with positive stop（23）Block is impacted with elasticity（24）, the upper casing（4）End periphery be provided with three
Individual gear mark（43）, three gear marks（43）Corresponding upper casing（4）Upper housing hole（41）Inwall is provided with three positive stops
Neck（44）, positive stop neck（44）With positive stop（23）Use cooperatively, upper casing（4）Upper housing hole（41）Inwall be provided with
Elasticity impact block（24）Muscle is erected in a plurality of strike coordinated（42）, push rod（3）Periphery be provided with and regulation claw（22）Use cooperatively
Step-like latch（31）, step-like latch（31）Two faces one of them and push rod（3）Periphery it is vertical, another face is
Inclined-plane, and push rod（3）Periphery also set up axial guiding smooth surface（32）, it is oriented to smooth surface（32）Upper set is oriented to slope（33）,
It is oriented to slope（33）Inclined-plane and step-like latch（31）Inclined-plane opposite direction set, the clutch pack（5）Claw
Joint（51）With upper casing（4）Upper housing hole（41）Inwall is fixedly connected, the spacing claw（54）One end be fixedly connected on card
Pawl joint（51）On, the spacing claw（54）It is provided with claw hole（541）, guide sleeve（53）With claw hole（541）Sliding connects
Connect, the spring（52）One end and claw joint（51）Offset, the other end and guide sleeve（53）Offset.
2. the fixed quantitative injection device for being vented and repeating practicality according to claim 1, it is characterised in that：It is described to adjust
Pole（2）End be provided with and housing（4）Three gear marks（43）The cue mark used cooperatively（25）.
3. the fixed quantitative injection device for being vented and repeating practicality according to claim 1, it is characterised in that：It is described to adjust
Pole（2）Regulation claw（22）For six hocks, and it is one group with three and is oppositely arranged.
4. the fixed quantitative injection device for being vented and repeating practicality according to claim 1, it is characterised in that：It is described from
Clutch component（5）Spacing claw（54）For six hocks, and it is one group with three and is oppositely arranged.
5. the fixed quantitative injection device for being vented and repeating practicality according to claim 1, it is characterised in that：It is described from
Clutch component（5）Claw joint（51）It is provided with limit spring（52）Ring-type positive stop lug boss（511）, upper casing（4）Upper casing
Hole（41）Inwall is provided with axial limiting groove（411）, claw joint（51）Periphery be provided with and limited impression（411）Use cooperatively
Spacing preiection（512）.
6. the fixed quantitative injection device for being vented and repeating practicality according to claim 1, it is characterised in that：On described
Shell（4）Upper housing hole（41）Inwall sets spacing arcwall face（412）, the claw joint（51）With spacing claw（54）Periphery is equal
Provided with spacing arcwall face（412）The confined planes of cooperation（58）.
7. the fixed quantitative injection device for being vented and repeating practicality according to claim 1, it is characterised in that：It is described to lead
To set（53）Periphery stretch out blocks provided with two crosses（531）, the spacing claw（54）Claw hole（541）Inwall be provided with
Cross stretches out block（531）The claw hole groove of cooperation（542）.
8. the fixed quantitative injection device for being vented and repeating practicality according to claim 1, it is characterised in that：The spiral shell
Line joint（7）With upper casing（1）Threaded connection, pen core support（8）With nipple（7）Threaded connection, and pen core support（8）Inside set
There is the chamber for accommodating medicine bottle（81）.
9. the fixed quantitative injection device for being vented and repeating practicality according to claim 1, it is characterised in that：It is described to push away
Bar（3）End be provided with the piston that stretches into medicine bottle（35）.
10. the fixed quantitative injection device for being vented and repeating practicality according to claim 1, it is characterised in that：It is described
Nipple（7）On be also installed with lid and put in pen core support（8）On the cap for brush（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494070.0A CN107158521B (en) | 2017-06-26 | 2017-06-26 | Fixed exhaust and reusable quantitative injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494070.0A CN107158521B (en) | 2017-06-26 | 2017-06-26 | Fixed exhaust and reusable quantitative injection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107158521A true CN107158521A (en) | 2017-09-15 |
| CN107158521B CN107158521B (en) | 2023-07-18 |
Family
ID=59827997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710494070.0A Active CN107158521B (en) | 2017-06-26 | 2017-06-26 | Fixed exhaust and reusable quantitative injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107158521B (en) |
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| CN111760131A (en) * | 2020-07-31 | 2020-10-13 | 安静 | Syringe convenient to control anesthetic dose |
| CN113000084A (en) * | 2021-02-04 | 2021-06-22 | 李福祥 | A accuse volume adds device for human influenza vaccine detects |
| CN113230492A (en) * | 2021-05-14 | 2021-08-10 | 江苏德尔福医疗器械有限公司 | Adjustable dosage liquid medicine feeding device |
| CN114796721A (en) * | 2022-03-30 | 2022-07-29 | 宁波睿爱产品设计有限公司 | Syringe |
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| CN111760131A (en) * | 2020-07-31 | 2020-10-13 | 安静 | Syringe convenient to control anesthetic dose |
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| CN113000084A (en) * | 2021-02-04 | 2021-06-22 | 李福祥 | A accuse volume adds device for human influenza vaccine detects |
| CN113230492A (en) * | 2021-05-14 | 2021-08-10 | 江苏德尔福医疗器械有限公司 | Adjustable dosage liquid medicine feeding device |
| CN113230492B (en) * | 2021-05-14 | 2023-05-05 | 江苏德尔福医疗器械有限公司 | Dosage-adjustable liquid medicine feeding device |
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| CN114796721B (en) * | 2022-03-30 | 2023-10-13 | 宁波睿爱产品设计有限公司 | Injection syringe |
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| Publication number | Publication date |
|---|---|
| CN107158521B (en) | 2023-07-18 |
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Effective date of registration: 20170907 Address after: 213000, No. 8, cen Cun, Luoyang Town, Wujin District, Jiangsu, Changzhou Applicant after: JIANGSU DELFU MEDICAL DEVICES Co.,Ltd. Applicant after: JIANGSU HANSOH PHARMACEUTICAL GROUP Co.,Ltd. Address before: Wujin District of Jiangsu city of Changzhou province Luoyang 213000 town Cen Village Applicant before: JIANGSU DELFU MEDICAL DEVICES Co.,Ltd. |
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