CN202777314U - Core rod structure used for pullback type safe self-destructing type syringe - Google Patents
Core rod structure used for pullback type safe self-destructing type syringe Download PDFInfo
- Publication number
- CN202777314U CN202777314U CN 201220071141 CN201220071141U CN202777314U CN 202777314 U CN202777314 U CN 202777314U CN 201220071141 CN201220071141 CN 201220071141 CN 201220071141 U CN201220071141 U CN 201220071141U CN 202777314 U CN202777314 U CN 202777314U
- Authority
- CN
- China
- Prior art keywords
- core bar
- folding arm
- type safety
- bar structure
- syringe according
- 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.)
- Expired - Lifetime
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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
- 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
-
- 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- A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston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
- A61M5/3221—Constructional features thereof, e.g. to improve manipulation or functioning
- A61M2005/323—Connection between plunger distal end and needle hub proximal end, e.g. stud protruding from the plunger
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Environmental & Geological Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a core rod structure used for a pullback type safe self-destructing type syringe, wherein an asymmetric elastic locking pullback member is arranged at an end part of a rod body, the centre shaft of the pullback member is the symmetry center line of the core rod, a clamping lock part is formed at each of the two sides of the centre shaft, the clamping lock parts at the two sides are asymmetric, the clamping lock part at one side or the clamping lock parts at the two sides are provided with elasticity, that the locking member can be smoothly inserted into an inner cavity of a needle seat is guaranteed through the elasticity function, and clamped and locked connection between the asymmetric clamping parts at the two sides and clamping parts of the inner cavity of the needle seat can be realized through utilization of elasticity expansion force. After the needle seat is pulled back into the syringe cylindrical body, the needle seat automatically rotates to one side in an asymmetric applied force bearing environment, therefore the injection needle is inclined to one side of the inner wall of the cylindrical body in an approximate 45 degree angle direction and is locked by the neck part of the cylindrical body, consequently the injection needle and the needle seat cannot be pushed out of the neck part of the cylindrical body again, and secondary damage or cross infection caused by a needle head which is pushed out of the cylindrical body again after being used can be effectively prevented.
Description
Technical field
This utility model relates to the technical field of medical apparatus and instruments, specifically a kind of core bar structure for the haulback type safety self-destructing syringe, particularly its mechanical connecting structure.
Background technology
Documents one, the patent No.: ZL200710047077.4, the applying date: 2007.10.16, notification number: CN101411908, patentee: Shanghai DingJianTang biochemistry Science Co., Ltd, this case discloses " a kind of safe self-destruction type vaccine injector ", comprise cylindrical shell, be provided with core bar in the cylindrical shell, core bar is provided with plug near the place, end, be provided with syringe needle in the cylinder neck of cylindrical shell, the syringe needle place is provided with needle tubing, it is characterized in that: the body of rod sidewall of described core bar end is provided with horizontal cut, vertical breach at horizontal cut and body of rod place, core bar end links, horizontal cut matches with vertical breach, syringe needle is socketed to form by upper needle stand and lower needle stand, lower needle stand inner chamber hollow, lower needle stand becomes tubular structure, lower needle stand is provided with lower needle holder convex tendon with respect to the other end opening part inwall of installing needle holder, the core bar end is provided with the elastomer that is formed with vertical breach UNICOM by horizontal cut, the core bar body of rod herein has certain elasticity, wherein vertically breach is up-narrow and down-wide shape, and horizontal cut outside opening place upper core club shaft outer wall protrudes from lower core club shaft outer wall herein, horizontal cut can be high outside and low outside shape, it is circular-arc that the core bar end becomes, upper needle stand becomes bar shape, upper needle stand outer wall epimere is provided with the reinforcement fin, upper needle stand outer wall hypomere is provided with fixedly bulge loop of needle stand, upper needle stand fixedly the overall diameter of bulge loop greater than upper needle stand outer diameter 0.05mm-0.3mm, described lower needle stand becomes bar shape, its inner chamber hollow, lower needle stand cavity inner wall place is provided with lower needle holder annular fixed groove, lower needle holder annular fixed groove can with upper needle stand fixedly bulge loop match, the internal diameter of lower needle holder annular fixed groove upper chamber is less than the fixing external wall external diameter of the bulge loop upper bar 0.1mm-0.35mm of upper needle stand, the internal diameter of lower needle holder annular fixed groove lower cavity≤upper needle stand is the external wall external diameter of bulge loop lower pole fixedly, lower needle stand is provided with lower needle holder annular convex rib with respect to the place, other end outer wall end of lower needle holder bulge loop, the cylinder neck inwall place of described cylindrical shell is provided with respectively a neck upper limit ring and cylinder neck lower limit ring, distance between cylinder neck upper limit ring and the cylinder neck lower limit ring is 0.3mm-1.5mm, cylinder neck upper limit ring protrudes from inwall 0.1mm-0.6mm between a neck upper limit ring and the cylinder neck lower limit ring, cylinder neck lower limit ring protrudes from inwall 0.02mm-0.25mm between a neck upper limit ring and the cylinder neck lower limit ring, the internal diameter of cylinder lumen between the internal diameter of cylinder neck upper limit ring top cylinder lumen 〉=cylinder neck upper limit ring and the cylinder neck lower limit ring, the internal diameter of the internal diameter of cylinder lumen≤cylinder neck lower limit ring bottom cylinder lumen between cylinder neck upper limit ring and the cylinder neck lower limit ring, the internal diameter of cylinder lumen is less than lower needle holder annular convex rib external diameter 0.1mm-0.5mm between cylinder neck upper limit ring and the cylinder neck lower limit ring, cylinder lumen is provided with the cylindrical shell limit rib with respect to the other end inwall place of cylinder neck, the cylindrical shell limit rib can be linear annular muscle, many the annular muscle that perpendicular muscle consists of,, a perpendicular muscle, the annular muscle that a plurality of raised points consist of, the cylinder inboard wall place of cylindrical shell limit rib bottom is provided with the cylindrical shell inner convex rib, the thickness of the distance between cylindrical shell limit rib and the cylindrical shell inner convex rib 〉=annular stop sheet, the internal diameter at cylindrical shell limit rib place is less than the diameter of annular stop sheet.
Documents two, the patent No.: ZL200720067715.4, the applying date: 2007.03.08, notification number: CN201076648, patentee: Shanghai DingJianTang biochemistry Science Co., Ltd, this case discloses " a kind of core bar with the Metallic hook structure ", comprise the core bar body, the upper end of core bar body is provided with the column fastener, and column fastener place is socketed with plug, it is characterized in that: described plug place is provided with installing hole, is provided with barbed body in the installing hole.
The function of utilizing barbed body to realize needle retractable is arranged in the existing safety injector structure, realize safety injection, general barbed body is metalwork or working of plastics.Metalwork need to be processed and cooperate with core bar or assemble, complex manufacturing technology, difficulty is large and stability is not good, has not only increased manufacturing procedure and manufacturing cost, and metalwork itself and assembling process thereof can increase the uncertainties such as hidden danger of product aspect safety and product quality.Existing plastics barb member structurally still exists defective or incomplete place and therefore causes product in use to have potential safety hazard or security breaches.The design of existing plastics back-off spare though can realize the syringe needle function of pulling back, in use, still is in normal trace after syringe needle is pulled back, and syringe needle might be released again causes user by the risk of secondary damage.
In sum, still need the core bar structure of existing barb pulling type syringe is further improved, further to improve product safety and stability in use, reach simultaneously the simplification manufacturing procedure, reduce the purpose of manufacturing cost.
Summary of the invention
The purpose of this utility model is to provide a kind of core bar structure for the haulback type safety self-destructing syringe, its rod end is provided with the asymmetric locking piece with spring function, this locking piece can lock by engaging mode mutually with the syringe needle inner chamber, and, after needle stand is pulled back to the injector cartridge, under the effect of Asymmetric Elasticity structure, needle stand can stressed taking advantage of a situation turn to a lateral deviation, therefore entry needle can swing to cylinder inboard wall one side with nearly 45 angular direction, and locked by the cylindrical shell cervical region, cause thus entry needle and needle stand again to be released the cylindrical shell cervical region, prevent that effectively syringe needle is pushed out the secondary damage that causes, realize the safety self-destruct operation of syringe, overcome the shortcoming and defect that exists in the prior art.
To achieve these goals, the technical solution of the utility model is: a kind of core bar structure for the haulback type safety self-destructing syringe, it comprises the body of rod, the body of rod forms the spacing department of assembly of plug near the place, end, place, the spacing department of assembly of plug is socketed with plug, and it is characterized in that: described rod end is provided with Asymmetric Elasticity and locks the part of pulling back.
The utility model discloses a kind of core bar structure for the haulback type safety self-destructing syringe, the end of this core bar is provided with the asymmetric locking piece of pulling back with spring function.Cooperate the spring function design with unsymmetric structure, guarantee that this locking piece can insert the needle stand inner chamber smoothly, and utilize the effect of elastic dilatation power, the interior cavity wall holding section of realization asymmetric holding section, both sides and needle stand engages and locks.After needle stand is pulled back to the injector cartridge, under the force environment of asymmetric active force, needle stand can form deflection from trend one side, therefore entry needle can swing to cylinder inboard wall one side with nearly 45 angular direction, and locked by the cylindrical shell cervical region, cause thus entry needle and needle stand again to be released the cylindrical shell cervical region, prevent that effectively syringe needle is pushed out the secondary damage that causes, really realize the safety self-destruct operation of syringe.When this utility model implementation, the described Asymmetric Elasticity locking piece of pulling back is a plastics barbed body, this plastics barbed body adopts the design principle of asymmetry and the ingenious cooperation of elastomer structure, use specific angle and size design, so that the barb body possesses the elastic buffer lock function, in addition, pull back locking piece and core bar of above-mentioned Asymmetric Elasticity is into a single integrated structure, global facility adopts a die sinking molding, need not separately processing or follow-up assembling, effectively reduce manufacturing cost, simplified assembly technology, reduced assembly process.Product uses simple to operate, stable working state, the pull back snap lock effect of part and needle stand inner chamber of the Asymmetric Elasticity of core bar end is splendid, the product reasonable integral structure, be skillfully constructed, be easy to apply, compare existing product design and technology, have significant technical breakthrough in the design, and have outstanding safety and practicality characteristics.
Description of drawings
Fig. 1 is this utility model structural representation.
Fig. 2 is this utility model plastics barbed body structural representation.
Fig. 3 is Fig. 2 top view.
Fig. 4 is Fig. 2 side view.
Fig. 5 is this utility model user mode figure.
The specific embodiment
With reference to the accompanying drawings, this utility model further is described.
This utility model is a kind of core bar structure for the haulback type safety self-destructing syringe, it comprises the body of rod 1, the body of rod 1 forms the spacing department of assembly 2 of plug near the place, end, 2 places, the spacing department of assembly of plug are socketed with plug 16, and it is different from prior art and is: the described body of rod 1 end is provided with Asymmetric Elasticity and locks the part of pulling back.The locking of this Asymmetric Elasticity is pulled back part take the symmetrical center line of core bar as axis, and the both sides of its axis respectively form a snap-in lock bonding part, and the snap-in lock bonding part of both sides is asymmetric shape.Simultaneously, the snap-in lock bonding part of one or both sides has elastic construction, can enter smoothly the syringe needle inner chamber to guarantee this locking part of pulling back, and tight snap lock with it.
In the specific implementation, a described side snap-in lock bonding part is higher or lower than opposite side snap-in lock bonding part.The width of a described side snap-in lock bonding part is greater than or less than opposite side snap-in lock bonding part, and thus, the snap-in lock bonding part of both sides is asymmetric shape and distributes.
In the specific implementation, the distance between the symmetrical center line of the snap-in lock bonding part outer ledge of a described side and the body of rod is 1mm-20mm.
In this utility model specific embodiment, it is a barbed body 3 that described Asymmetric Elasticity locks the part of pulling back, described barbed body 3 is plastic material, and into a single integrated structure with the body of rod 1, a die sinking molding, the overall stability of the unified performance boost core bar of material, integral structure can reduce manufacturing cost, improves and produces and efficiency of assembling.
In concrete another embodiment of this utility model, the described Asymmetric Elasticity locking part of pulling back is a barbed body 3, and described barbed body 3 is plastic material, and with 1 one-tenth split type assembly structure of the body of rod.
In the specific implementation, described barbed body lower end forms base portion 4, the first folding arm 5 that turns to a lateral deviation is formed at base portion 4 tops, the lateral wall, junction of the first folding arm 5 and base portion 4 forms arc chord angle 8 or the knuckle of inner concavity, the radian of this arc chord angle 8 is that 45 degree are to 179 degree, the lower end of the first folding arm 5 is connected with the upper end of base portion 4, the upper end of the first folding arm 5 is connected with the second folding arm 6 one ends, the second folding arm 6 other ends are unsettled, the outside of the first folding arm 5 and the second folding arm 6 junctions forms arc surface 7, the inboard of the first folding arm 5 and the second folding arm 6 junctions forms the interior angle 11 of 2 degree-90 degree, the width that forms opening between the free end of the second folding arm 6 and the first folding arm 5 is 0.5mm-40mm, this width can guarantee to form between the first folding arm and the second folding arm elastic telescopic performance, barbed body is exactly to take advantage of a situation by the Flexible change of angle between the first folding arm and the second folding arm to slip into the needle stand inner chamber, and under the effect of the expansionary force that resets with the tight snap lock of needle stand inner chamber.The length of described the first folding arm 5 is 0.5mm-50mm, and the length of described the second folding arm 6 is 0.5mm-60mm.The free end of described the second folding arm 6 forms thorn point 15, and the free end of the second folding arm 6 protrudes from base portion 4 outer ledges.
In the specific implementation, the described body of rod 1 place forms the reinforcement 12 that four angles such as cross distribute, and reinforcement 12 outer edge are provided with spacing tabs 13.Be connected by at least two contacts 14 between described spacing tabs 13 and the reinforcement 12.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that this utility model implementation is confined to above-mentioned these explanations.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (16)
1. core bar structure that is used for the haulback type safety self-destructing syringe, it comprises the body of rod (1), the body of rod (1) forms the spacing department of assembly of plug (2) near the place, end, the spacing department of assembly of plug (2) locates to be socketed with plug (16), it is characterized in that: the described body of rod (1) end is provided with Asymmetric Elasticity and locks the part of pulling back.
2. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 1, it is characterized in that: the locking of described Asymmetric Elasticity is pulled back part take the symmetrical center line of core bar as axis, the both sides of its axis respectively form a snap-in lock bonding part, and the snap-in lock bonding part of both sides is asymmetric shape.
3. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 2, it is characterized in that: a described side snap-in lock bonding part is higher or lower than opposite side snap-in lock bonding part.
4. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 2, it is characterized in that: the width of a described side snap-in lock bonding part is greater than or less than opposite side snap-in lock bonding part.
5. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 2, it is characterized in that: the snap-in lock bonding part of described one or both sides has elastic construction.
6. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 2, it is characterized in that: the distance between the snap-in lock bonding part outer ledge of a described side and the symmetrical center line of the body of rod is 1mm-20mm.
7. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 1, it is characterized in that: it is a barbed body (3) that described Asymmetric Elasticity locks the part of pulling back, described barbed body (3) is plastic material, and into a single integrated structure with the body of rod (1), a die sinking molding.
8. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 1, it is characterized in that: it is a barbed body that described Asymmetric Elasticity locks the part of pulling back, described barbed body is plastic material, and becomes split type assembly structure with the body of rod (1).
9. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 7 is characterized in that: described barbed body lower end formation base portion (4).
10. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 9, it is characterized in that: the first folding arm (5) that turns to a lateral deviation is formed at described base portion (4) top, the lateral wall, junction of the first folding arm (5) and base portion (4) forms arc chord angle (8) or the knuckle of inner concavity, the radian of this arc chord angle 8 is that 45 degree are to 179 degree, the lower end of the first folding arm (5) is connected with the upper end of base portion (4), the upper end of the first folding arm (5) is connected with the second folding arm (6) one ends, the second folding arm (6) other end is unsettled, the first folding arm (5) forms arc surface (7) with the outside of the second folding arm (6) junction, the first folding arm (5) forms 2 degree to the interior angle (11) of 90 degree with the inboard of the second folding arm (6) junction, and the width that forms opening between the free end of the second folding arm (6) and the first folding arm (5) is 0.5mm-40mm.
11. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 10 is characterized in that: the length of described the first folding arm (5) is 0.5mm-50mm.
12. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 10 is characterized in that: the length of described the second folding arm (6) is 0.5mm-60mm.
13. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 1, it is characterized in that: the described body of rod (1) is located to form the reinforcement (12) that four angles such as cross distribute, and reinforcement (12) outer edge is provided with spacing tabs (13).
14. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 13 is characterized in that: be connected by at least two contacts (14) between described spacing tabs (13) and the reinforcement (12).
15. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 10 is characterized in that: the free end of described the second folding arm (6) forms thorn point (15).
16. a kind of core bar structure for the haulback type safety self-destructing syringe according to claim 10 is characterized in that: the free end of described the second folding arm (6) protrudes from base portion (4) outer ledge.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220071141 CN202777314U (en) | 2012-02-29 | 2012-02-29 | Core rod structure used for pullback type safe self-destructing type syringe |
| PCT/CN2012/000932 WO2013127040A1 (en) | 2012-02-29 | 2012-07-05 | Plunger for use in retractable-type safe self-destructing syringe |
| PCT/CN2013/000188 WO2013127257A1 (en) | 2012-02-29 | 2013-02-26 | Plunger structure for use in retractable-type safe self-destructing syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220071141 CN202777314U (en) | 2012-02-29 | 2012-02-29 | Core rod structure used for pullback type safe self-destructing type syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202777314U true CN202777314U (en) | 2013-03-13 |
Family
ID=47804671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220071141 Expired - Lifetime CN202777314U (en) | 2012-02-29 | 2012-02-29 | Core rod structure used for pullback type safe self-destructing type syringe |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202777314U (en) |
| WO (2) | WO2013127040A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115282361B (en) * | 2022-08-16 | 2023-07-18 | 核工业总医院 | Minimally invasive negative pressure drainage device for plastic and cosmetic surgery |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050038385A1 (en) * | 2002-08-21 | 2005-02-17 | Ting Shen | Retracting device for a safety syringe |
| CN2803408Y (en) * | 2005-06-07 | 2006-08-09 | 黄泓琪 | Pusher of syringe and syringe using the same |
| US7371226B2 (en) * | 2005-06-27 | 2008-05-13 | Hung Chi Huang | Plunger of a syringe |
| CN100425303C (en) * | 2006-01-12 | 2008-10-15 | 林作钱 | Safe self-destruction syringe for medical purpose |
| CN200984380Y (en) * | 2006-10-20 | 2007-12-05 | 颜健民 | Neilsbed retracting type injection syringe |
| CN201061649Y (en) * | 2007-07-10 | 2008-05-21 | 沈海忠 | Core lever for disposal safety type syringe |
| CN101411908B (en) * | 2007-10-16 | 2011-03-09 | 上海顶尖堂生化科技有限公司 | Safe self-destruction type vaccine injector |
| CN101411907A (en) * | 2007-10-16 | 2009-04-22 | 上海顶尖堂生化科技有限公司 | Safety self-destruction injector |
| NL2001702C2 (en) * | 2008-06-19 | 2009-12-22 | Addino B V | Injection syringe with possibility of needle storage. |
| CN101428162B (en) * | 2008-12-09 | 2010-12-08 | 宣庆弟 | Disposable syringe |
| CN102813985B (en) * | 2011-06-07 | 2016-09-21 | 王祖扬 | Safety self-destruction syringe |
| CN102813981A (en) * | 2011-06-07 | 2012-12-12 | 王祖扬 | Barrel structure for safety auto-destruct syringe |
| CN202105269U (en) * | 2011-06-07 | 2012-01-11 | 倍安德普医疗科技（上海）有限公司 | Inner needle base structure for safe self-destruction syringe |
| CN202105275U (en) * | 2011-06-07 | 2012-01-11 | 倍安德普医疗科技（上海）有限公司 | Safe self-destruction syringe |
| CN202376562U (en) * | 2011-06-07 | 2012-08-15 | 倍安德普医疗科技（上海）有限公司 | Cylinder structure used for safe self-destruction type syringe |
| CN102886089A (en) * | 2011-07-18 | 2013-01-23 | 王祖扬 | Safe self-destroying syringe with changeable needle |
| CN202236663U (en) * | 2011-07-18 | 2012-05-30 | 倍安德普医疗科技（上海）有限公司 | Safety self-destruction type syringe capable of changing needle |
| CN202892570U (en) * | 2012-02-29 | 2013-04-24 | 王祖扬 | A need-pullback-type needle-replaceable safe self-destruction syringe |
| CN202569090U (en) * | 2012-02-29 | 2012-12-05 | 王祖扬 | Needle-pulling-back safe self-destructive syringe |
-
2012
- 2012-02-29 CN CN 201220071141 patent/CN202777314U/en not_active Expired - Lifetime
- 2012-07-05 WO PCT/CN2012/000932 patent/WO2013127040A1/en active Application Filing
-
2013
- 2013-02-26 WO PCT/CN2013/000188 patent/WO2013127257A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013127257A1 (en) | 2013-09-06 |
| WO2013127040A1 (en) | 2013-09-06 |
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