CN107497017A - A kind of disposable injection device with vacuum cavity - Google Patents
A kind of disposable injection device with vacuum cavity Download PDFInfo
- Publication number
- CN107497017A CN107497017A CN201710871207.XA CN201710871207A CN107497017A CN 107497017 A CN107497017 A CN 107497017A CN 201710871207 A CN201710871207 A CN 201710871207A CN 107497017 A CN107497017 A CN 107497017A
- Authority
- CN
- China
- Prior art keywords
- injection needle
- vacuum
- dividing plate
- steel wire
- reclaiming chamber
- 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.)
- Withdrawn
Links
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
- A61M5/3129—Syringe barrels
-
- 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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
-
- 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
- A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
-
- 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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
- A61M5/3234—Fully automatic needle retraction, i.e. in which triggering of the needle does not require a deliberate action by the user
- A61M2005/3241—Needle retraction energy is accumulated inside of a hollow plunger rod
- A61M2005/3242—Needle retraction by vacuum
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/27—General characteristics of the apparatus preventing use
- A61M2205/273—General characteristics of the apparatus preventing use preventing reuse, e.g. of disposables
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/27—General characteristics of the apparatus preventing use
- A61M2205/276—General characteristics of the apparatus preventing use preventing unwanted use
Abstract
The invention discloses a kind of disposable injection device with vacuum cavity, pushing ram and injection needle including tubular cylinder, with vacuum reclaiming chamber, injection needle can be recycled to inside injection device by the disposable injection device automatically after injection, can prevent that disposable injection device from being reused and people's hidden danger is stabbed in injection needle recovery elimination.
Description
Technical field
The invention belongs to technical field of medical equipment, specifically a kind of disposable injection device with vacuum cavity.
Background technology
Injection device is one of equipment indispensable in medical field, in order to prevent the reuse of injection device from causing
Patient is infected mutually, and the disposable injection device with vacuum cavity is applied more and more extensive, with vacuum cavity once
The purpose of property injection device after use, is needed to destroy by national policy, but some criminals are to make profit will carry vacuum chamber
The disposable injection device recovery of body is reused, and the health care belt to people carrys out great hidden danger；Meanwhile with vacuum chamber
The disposable injection device of body is exposed on the external using often injection needle is naked after discarding, and when being destroyed, operating personnel are often
The injection needle being exposed is stabbed, and courses of infection can be also caused when serious.
The content of the invention
Goal of the invention：The purpose of the present invention is in view of the shortcomings of the prior art, there is provided a kind of to carry vacuum cavity once
Property injection device, injection needle can be recycled to inside injection device automatically, can be prevented with vacuum cavity after injection
Disposable injection device is reused and people's hidden danger is stabbed in injection needle recovery elimination.
Technical scheme：To achieve the above object, the present invention provides a kind of disposable injection device with vacuum cavity, including pipe
Shape cylinder, pushing ram and injection needle with vacuum reclaiming chamber, one end of the tubular cylinder is provided with free open, and sets
Ear is equipped with, for holding on tubular cylinder, the other end is provided with the handle part of injection needle, described with vacuum reclaiming chamber
Pushing ram stretches at the free open of the tubular cylinder and can be advanced into the bottom of the other end, and the pushing ram stretches into tubulose
There is round platform projection cylinder one end, and round platform projection middle opening is provided with vacuum reclaiming chamber, and the vacuum reclaiming chamber opening is set
There is dividing plate, dividing plate is connected to vacuum reclaiming chamber opening by laser welding, and dividing plate is bonded with close towards side in vacuum reclaiming chamber
Packing, sealing gasket coordinate with vacuum recovery cavity wall, can make to keep vacuum state in vacuum reclaiming chamber, dividing plate opposite side is connected with
Barb, the barb are that two steel wire welds form, and a steel wire one end is connected to dividing plate, the other end and another steel wire welded
Connect, it is at an acute angle between two steel wires, and close under external force can close up during two steel wire stress, two steel wires when external force disappears
Between recover at an acute angle；The tubular cylinder blind end is provided with the handle part of injection needle, including grasping claw and dome, grasping claw
It is recessed that semicircle is provided with for the symmetrical structure for being used to hold on injection needle extended by tubular cylinder blind end, in grasping claw
Type circular arc portion is used to clamp the injection needle with hemisphere jut, and so as to fix injection needle, dome is cylindrical tube, and one
The end opening other end is closed, and blind end is provided with circular hole, and dome is coated on outside handle part, and dome openend passes through ultrasonic bonding
Mode is connected to tubular cylinder blind end；Injection needle passes through dome blind end circular hole, injection needle and dome blind end circular hole
Between have sealing ring；The injection needle is provided with ball bumps by end is held, and cylindrical tube is connected with ball bumps, cylindrical tube is opened
Steel wire is provided with mouthful, is attached between steel wire and cylindrical tube by welding；The pushing ram is pushed into tubular cylinder most
During bottom, the barb is through steel wire on injection needle, the raised extruding grasping claw of round platform on pushing ram, makes between two grasping claw
Distance increase, injection needle depart from grasping claw, and injection needle cylinder pipeline section extruding dividing plate makes dividing plate come off, and there is pressure dividing plate both sides
Difference, dividing plate towards moving in reclaiming chamber, steel wire on barbs hold injection needle on dividing plate, drive injection in the presence of the pressure differential
Vacuum reclaiming chamber is entered in movement to syringe needle together.
Preferably, after the steel wire screen distance closes up more than the steel wire of barb two most width from, and less than barb not by external force
Maximum open distance under squeezed state.
Preferably, the dividing plate is after vacuum reclaiming chamber opening carries out laser welding, pulling-out force 40-50N.
Beneficial effect：A kind of disposable injection device with vacuum cavity of the present invention, after terminating, vacuum recovery
Chamber opening dividing plate is come off, and there is a pressure differential dividing plate both sides, and dividing plate towards moving in reclaiming chamber, is fallen on dividing plate in the presence of the pressure differential
Hook hooks steel wire on injection needle, drives injection needle to enter vacuum reclaiming chamber, realizes the recovery of injection needle, simultaneous with
The disposable injection device internal structure of vacuum cavity is destroyed, and can not be used, prevented it is described with vacuum cavity one
The possibility that secondary property injection device is reused.
Brief description of the drawings
Fig. 1, the disposable injection device structural representation with vacuum cavity；
Fig. 2, the disposable injection device vacuum reclaiming chamber structural representation with vacuum cavity；
Fig. 3, the disposable injection device handle part structural representation with vacuum cavity；
Fig. 4, the disposable injection device barb with vacuum cavity enter injection needle internal procedure schematic diagram；
Fig. 5, the disposable injection device dividing plate with vacuum cavity are extruded process schematic；
Fig. 6, the disposable injection device dividing plate with vacuum cavity come off process schematic；
Fig. 7, the disposable injection device injection needle with vacuum cavity are recycled to vacuum reclaiming chamber process schematic；
Reference numerals list：1st, tubular cylinder, 2, pushing ram, 3, vacuum reclaiming chamber, 4, injection needle, 5, rubber sleeve, 6, ear,
7th, dome, 8, sealing ring, 9, grasping claw, 10, round platform, 11, dividing plate, 12, barb, 13 sealing gaskets, 14, steel wire.
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following embodiments are only
For illustrating the present invention rather than limitation the scope of the present invention.It should be noted that the word " preceding " used below in description,
" rear ", "left", "right", "up" and "down" refer to the direction in accompanying drawing, and word " interior " and " outer " refer respectively to direction or remote
From the direction of particular elements geometric center.
The disposable injection device with vacuum cavity as shown in Figure 1, including including tubular cylinder 1, with true
The pushing ram 2 and injection needle 4 of empty reclaiming chamber 3, one end of the tubular cylinder 1 is provided with free open, and is provided with ear
6, for holding on tubular cylinder 1, the other end is closed in the handle part of injection needle 4, the propulsion with vacuum reclaiming chamber 3
The free open of bar 2 from the tubular cylinder 1 stretches into and can be advanced into the bottom of the other end, and pushing ram 2 stretches into tubular cylinder 1 one
The outside cladding rubber sleeve 5 in end, for being sealed.
Pushing ram 2 as shown in Figure 2, which stretches into the one end of tubular cylinder 1, has round platform 10 raised, 10 raised middle opening of round platform, sets
There is vacuum reclaiming chamber 3, the vacuum reclaiming chamber opening is provided with dividing plate 11, and dividing plate 11 is connected to vacuum by laser welding and returned
Chamber opening is received, the pulling-out force after dividing plate 11 welds is 45N, and dividing plate 11 is bonded with sealing gasket 13 towards side in vacuum reclaiming chamber,
Sealing gasket 13 coordinates with vacuum recovery cavity wall, can make to keep vacuum state in vacuum reclaiming chamber, the opposite side of dividing plate 11 is connected with
Barb 12, the barb 12 are that two steel wire welds form, and a steel wire one end is connected to dividing plate 11, the other end and another steel
Wire bond connects, at an acute angle between two steel wires, and close under external force can close up during two steel wire stress, when external force disappears two
Recover at an acute angle between steel wire, individual wire diameter 0.2mm, it is 0.4mm that two steel wires, which close up Breadth Maximum, after welding.
The blind end of tubular cylinder 1 as shown in Figure 3 is provided with the handle part of injection needle, including grasping claw 9 and dome 7, holds
Pawl 9 is the symmetrical structure for being used to hold on injection needle 4 extended by the blind end of tubular cylinder 1, is provided with grasping claw 9
Semicircle matrix circular arc portion is used to clamp the injection needle 4 with hemisphere jut, and so as to fix injection needle 4, dome 7 is circle
Column tube, the closing of the one end open other end, blind end are provided with circular hole, and dome 7 is coated on outside handle part, and the openend of dome 7 leads to
Cross ultrasonic bonding mode and be connected to the blind end of tubular cylinder 1；Injection needle 4 passes through the blind end circular hole of dome 7, injection needle 4
There is sealing ring 8 between the blind end circular hole of dome 7；The injection needle 4 is provided with ball bumps by end is held, and connects in ball bumps
Cylindrical tube is connected to, cylindrical tube opening is provided with steel wire 14, is attached between steel wire 14 and cylindrical tube by welding, steel wire
The aperture 0.6mm of net 14.
When promoting pushing ram 2 soon to bottom as shown in Figure 4, barb 12 initially enters the mesopore of steel wire 14, and is extruded by hole,
Two steel wires gradually close up；As shown in figure 5, continue to press on pushing ram 2, barb 12 completely into the pipe of injection needle 4 inside, barb
12 are not extruded now by external force, and two steel wires, which flick, to be recovered to initial state at an acute angle, meanwhile, round platform 10 is raised on pushing ram 2
Grasping claw 9 is extruded, distance increases between making two grasping claw 9, and injection needle 4 departs from grasping claw 9.As shown in fig. 6, pushing ram 2 pushes away
To tubular cylinder 1 bottommost when, the cylinder pipeline section of injection needle 4 extruding dividing plate 11 make every coming off, there is pressure differential the both sides of dividing plate 11,
Dividing plate 11 is towards moving in vacuum reclaiming chamber 3 in the presence of the pressure differential, and barb 12 hooks steel wire on injection needle 4 on dividing plate 11
14, driving injection needle 4, vacuum reclaiming chamber 3 is entered in movement together.
Technological means disclosed in scheme of the invention is not limited only to the technological means disclosed in above-mentioned embodiment, in addition to by
Above technical characteristic is combined formed technical scheme.
Claims (3)
1. a kind of disposable injection device with vacuum cavity, including tubular cylinder, the pushing ram with vacuum reclaiming chamber and
Injection needle, one end of the tubular cylinder is provided with free open, and is provided with ear, for holding on tubular cylinder, separately
One end is provided with the handle part of injection needle, free open of the pushing ram with vacuum reclaiming chamber from the tubular cylinder
Place stretches into and can be advanced into the bottom of the other end, it is characterised in that：The pushing ram, which stretches into tubular cylinder one end, round platform projection,
Round platform projection middle opening, vacuum reclaiming chamber is provided with, the vacuum reclaiming chamber opening is provided with dividing plate, and dividing plate passes through laser
It is welded to connect and is bonded with sealing gasket towards side in vacuum reclaiming chamber in vacuum reclaiming chamber opening, dividing plate, sealing gasket returns with vacuum
Receive cavity wall to coordinate, can make to keep vacuum state in vacuum reclaiming chamber, dividing plate opposite side is connected with barb, and the barb is two
Steel wire weld forms, and a steel wire one end is connected to dividing plate, the other end and another steel wire weld, at an acute angle between two steel wires,
And it can recover at an acute angle between two steel wires when external force disappears under external force close to closing up during two steel wire stress；It is described
Tubular cylinder blind end is provided with the handle part of injection needle, including grasping claw and dome, and grasping claw is by tubular cylinder blind end
The symmetrical structure for being used to hold on injection needle extended, semicircle matrix circular arc portion is provided with grasping claw and is used to clamp
Injection needle with hemisphere jut, so as to fix injection needle, dome is cylindrical tube, and the one end open other end is closed,
Blind end is provided with circular hole, and dome is coated on outside handle part, and dome openend is connected to tubulose by ultrasonic bonding mode and justified
Cylinder blind end；Injection needle passes through dome blind end circular hole, has sealing ring between injection needle and dome blind end circular hole；The note
To penetrate syringe needle and be provided with ball bumps by end is held, cylindrical tube is connected with ball bumps, cylindrical tube opening is provided with steel wire,
It is attached between steel wire and cylindrical tube by welding；When the pushing ram is pushed into the bottommost of tubular cylinder, the barb is worn
Steel wire on injection needle is crossed, round platform projection extrudes grasping claw on pushing ram, and distance increases between making two grasping claw, injection needle
Depart from grasping claw, injection needle cylinder pipeline section extruding dividing plate makes dividing plate come off, and there is pressure differential dividing plate both sides, and dividing plate is in pressure differential
Towards moving in reclaiming chamber under effect, steel wire on barbs hold injection needle on dividing plate, drive injection needle together it is mobile enter it is true
Empty reclaiming chamber.
2. the disposable injection device according to claim 1 with vacuum cavity, it is characterised in that：The steel wire mesh
After footpath is closed up more than the steel wire of barb two most width from.
3. the disposable injection device according to claim 1 with vacuum cavity, it is characterised in that：The dividing plate is true
After empty reclaiming chamber opening carries out laser welding, pulling-out force 40-50N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710871207.XA CN107497017A (en) | 2017-09-25 | 2017-09-25 | A kind of disposable injection device with vacuum cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710871207.XA CN107497017A (en) | 2017-09-25 | 2017-09-25 | A kind of disposable injection device with vacuum cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107497017A true CN107497017A (en) | 2017-12-22 |
Family
ID=60698250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710871207.XA Withdrawn CN107497017A (en) | 2017-09-25 | 2017-09-25 | A kind of disposable injection device with vacuum cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107497017A (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055669A (en) * | 1990-01-09 | 1991-10-30 | 加塔诺·纳希 | A kind of hypodermic syringe that to return and to hold the hypodermic needle plunger after injection finishes that has |
| CN2258071Y (en) * | 1996-04-22 | 1997-07-23 | 曹建华 | Needle retractable safety syringe |
| CN2654144Y (en) * | 2003-11-11 | 2004-11-10 | 顾逸铭 | Needle retractable injector |
| CN1622840A (en) * | 2002-02-27 | 2005-06-01 | 刘易斯·R·范戴克 | Automatically retractable needle safety syringe |
| CN2759493Y (en) * | 2004-07-28 | 2006-02-22 | 北京浚达丰医疗器械有限公司 | Single-use safety syringe |
| CN2801182Y (en) * | 2004-10-19 | 2006-08-02 | 徐昊华 | Safety injector with automatic retractable needle |
| CN2810627Y (en) * | 2005-02-06 | 2006-08-30 | 山东省医疗器械研究所 | Safety syringe |
| CN101028548A (en) * | 2006-07-01 | 2007-09-05 | 徐昊华 | Disposable safety syringe |
| CN200966819Y (en) * | 2006-09-25 | 2007-10-31 | 罗绍基 | Spring type safe self-destroyed type injection |
| CN101085381A (en) * | 2007-06-11 | 2007-12-12 | 成都普什医药塑料包装有限公司 | Disposable safety self-breaking injector |
| CN101321548A (en) * | 2005-09-21 | 2008-12-10 | 环球医疗技术有限公司 | Automatic retractable safety syringe |
| CN201370862Y (en) * | 2009-02-06 | 2009-12-30 | 浙江玉升医疗器械股份有限公司 | Self-destroying vacuum safety syringe |
| CN101934104A (en) * | 2009-06-29 | 2011-01-05 | 颜健民 | Automatic retraction syringe |
| CN201939825U (en) * | 2010-12-24 | 2011-08-24 | 江苏苏云医疗器材有限公司 | Automatically-retractive safe injector |
| CN102397603A (en) * | 2010-09-16 | 2012-04-04 | 无锡市宇寿医疗器械股份有限公司 | Safety syringe for retracting needle point by depending on vacuum negative pressure |
| CN102698346A (en) * | 2012-06-30 | 2012-10-03 | 蔡根顺 | Air-pressure-type retraction self-destruction syringe |
| CN203647812U (en) * | 2014-01-12 | 2014-06-18 | 广东海鸥医疗器械股份有限公司 | Automatic retraction safety injector |
| CN104001235A (en) * | 2013-02-21 | 2014-08-27 | 无锡星创生物技术有限公司 | Multi-chamber vacuum retracted safe injector |
-
2017
- 2017-09-25 CN CN201710871207.XA patent/CN107497017A/en not_active Withdrawn
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055669A (en) * | 1990-01-09 | 1991-10-30 | 加塔诺·纳希 | A kind of hypodermic syringe that to return and to hold the hypodermic needle plunger after injection finishes that has |
| CN2258071Y (en) * | 1996-04-22 | 1997-07-23 | 曹建华 | Needle retractable safety syringe |
| CN1622840A (en) * | 2002-02-27 | 2005-06-01 | 刘易斯·R·范戴克 | Automatically retractable needle safety syringe |
| CN2654144Y (en) * | 2003-11-11 | 2004-11-10 | 顾逸铭 | Needle retractable injector |
| CN2759493Y (en) * | 2004-07-28 | 2006-02-22 | 北京浚达丰医疗器械有限公司 | Single-use safety syringe |
| CN2801182Y (en) * | 2004-10-19 | 2006-08-02 | 徐昊华 | Safety injector with automatic retractable needle |
| CN2810627Y (en) * | 2005-02-06 | 2006-08-30 | 山东省医疗器械研究所 | Safety syringe |
| CN101321548A (en) * | 2005-09-21 | 2008-12-10 | 环球医疗技术有限公司 | Automatic retractable safety syringe |
| CN101028548A (en) * | 2006-07-01 | 2007-09-05 | 徐昊华 | Disposable safety syringe |
| CN200966819Y (en) * | 2006-09-25 | 2007-10-31 | 罗绍基 | Spring type safe self-destroyed type injection |
| CN101085381A (en) * | 2007-06-11 | 2007-12-12 | 成都普什医药塑料包装有限公司 | Disposable safety self-breaking injector |
| CN201370862Y (en) * | 2009-02-06 | 2009-12-30 | 浙江玉升医疗器械股份有限公司 | Self-destroying vacuum safety syringe |
| CN101934104A (en) * | 2009-06-29 | 2011-01-05 | 颜健民 | Automatic retraction syringe |
| CN102397603A (en) * | 2010-09-16 | 2012-04-04 | 无锡市宇寿医疗器械股份有限公司 | Safety syringe for retracting needle point by depending on vacuum negative pressure |
| CN201939825U (en) * | 2010-12-24 | 2011-08-24 | 江苏苏云医疗器材有限公司 | Automatically-retractive safe injector |
| CN102698346A (en) * | 2012-06-30 | 2012-10-03 | 蔡根顺 | Air-pressure-type retraction self-destruction syringe |
| CN104001235A (en) * | 2013-02-21 | 2014-08-27 | 无锡星创生物技术有限公司 | Multi-chamber vacuum retracted safe injector |
| CN203647812U (en) * | 2014-01-12 | 2014-06-18 | 广东海鸥医疗器械股份有限公司 | Automatic retraction safety injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171222 |
|
| WW01 | Invention patent application withdrawn after publication |