CN106823068B - A kind of syringe - Google Patents
A kind of syringe Download PDFInfo
- Publication number
- CN106823068B CN106823068B CN201611060733.XA CN201611060733A CN106823068B CN 106823068 B CN106823068 B CN 106823068B CN 201611060733 A CN201611060733 A CN 201611060733A CN 106823068 B CN106823068 B CN 106823068B
- Authority
- CN
- China
- Prior art keywords
- syringe
- injection
- sealing
- layer
- silica gel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
-
- 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
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31535—Means improving security or handling thereof, e.g. blocking means, means preventing insufficient dosing, means allowing correction of overset dose
-
- 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
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31545—Setting modes for dosing
- A61M5/31548—Mechanically operated dose setting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0053—Producing sealings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
-
- 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
- A61M2005/3117—Means preventing contamination of the medicament compartment of a syringe
- A61M2005/3118—Means preventing contamination of the medicament compartment of a syringe via the distal end of a syringe, i.e. syringe end for mounting a needle cannula
- A61M2005/312—Means preventing contamination of the medicament compartment of a syringe via the distal end of a syringe, i.e. syringe end for mounting a needle cannula comprising sealing means, e.g. severable caps, to be removed prior to injection by, e.g. tearing or twisting
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to art injection devices, especially a kind of syringe, including injection tube, injection plug and injection needle；It is provided with sealing at the injection port of injection tube, the connecting pin of injection needle is provided with the needle-like portion for piercing through the sealing.The structure can prevent bacterium from polluting syringe from the oral area of syringe, improve fungi-proofing sterilization effect by setting sealing and injection needle corresponding with the sealing.The structure can be convenient to separately produce syringe and syringe needle, to simplify production difficulty.Sealing be and the integrally formed film of injection tube.Film be integrally formed, better tightness, cost is lower, can disposable feature, completely it is fungi-proofing.By controlling the control of gag lever post propelling resistance, to effectively reduce the fltting speed of piston, the accurate control to syringe additional amount is improved, fltting speed is slower, and adding amount control is more accurate.
Description
Technical field
The present invention relates to art injection devices, especially a kind of syringe.
Background technique
Syringe can be used for Medical Devices, container, the scientific instrument in such as some chromatographies and infuse across diaphragm of rubber
It penetrates.Air embolism will be will lead to by directing injection of the gas into blood vessel.From syringe remove air to avoid the method for embolism be by
Syringe is inverted, gently beats, then squeezing out a little liquid before being injected into blood flow.In some precision rather than germ is first
The occasion to be considered a problem, in quantitative chemical analysis, since the error of glass syringe is smaller, push rod gliding smoothing is so still
It is using.Some juice can also be injected in meat to improve taste and quality with syringe when cooking carnivorous, or
It is injected into cake when baking.Ink can also be filled into print cartridge by syringe.
Requirement due to present syringe to sterilization effect and injection volume is very strict, improves the fungi-proofing of syringe
Effect and the injection control precision for improving syringe become nowadays office's problem to be solved.
Summary of the invention
Goal of the invention of the invention is: in view of the above problems, a kind of syringe is provided, by syringe port
Sealing and design injection needle corresponding with the sealing is arranged in portion, can prevent bacterium from polluting from the oral area of syringe and inject
Device improves fungi-proofing sterilization effect.The structure can be convenient to separately produce syringe and syringe needle, to simplify production difficulty.
The cooperation of the limit chamber and limited post, the effective adding amount for controlling syringe.By controlling the control of gag lever post propelling resistance,
To effectively reduce the fltting speed of piston, the accurate control to syringe additional amount is improved, fltting speed is slower, filling
Amount control is more accurate.
The technical solution adopted by the invention is as follows:
The invention discloses a kind of syringes, including injection tube, injection plug and injection needle；It is set at the injection port of injection tube
It is equipped with sealing, the connecting pin of injection needle is provided with the needle-like portion for piercing through the sealing.The structure passes through setting sealing
Portion and injection needle corresponding with the sealing can prevent bacterium from polluting syringe from the oral area of syringe, improve fungi-proofing go out
Bacterium effect.The structure can be convenient to separately produce syringe and syringe needle, to simplify production difficulty.
Further, sealing is and the integrally formed film of injection tube.Film is integrally formed, and better tightness, cost is more
It is low, can disposable feature, completely it is fungi-proofing.
Further, injection needle includes interconnecting piece and injection part, and for connecting portion in the connecting pin of injection needle, interconnecting piece includes set
Shape portion and the needle-like portion.The injection needle can puncture sealing using its needle-like portion, guarantee the normal use of syringe, the set
The design in shape portion can be improved the connection fixing of syringe needle and syringe.
Further, injection tube includes cylinder, and injection plug includes shank, columnar part and piston, the inner sidewall of piston and cylinder
Sealing cooperation, injection plug can inject or be pumped into medicament along the axial movement of injection tube.The structure simply being capable of simple, intuitive
Progress injection volume control, be convenient to the filling of syringe.
Further, it is provided with limit chamber on the outside of cylinder, gag lever post in parallel is provided in the side of columnar part；
When piston moves in cylinder, gag lever post is synchronous to be moved in limit chamber, passes through position of the limitation gag lever post in limit chamber
Or speed is to limit the injection volume or injection speed of syringe.The cooperation of the limit chamber and limited post, effective control injection
The adding amount of device.
Further, airspace is cooperatively formed between gag lever post and limit chamber；Limit chamber is controlled by airspace
Pressure release speed, to control the injection speed of syringe.As the part that gag lever post is pushed into limit chamber is more, between ventilation
The length of gap is longer, and limit chamber gas is slower by the speed that gas is discharged in the airspace, to effectively reduce piston
Fltting speed improves the accurate control to syringe additional amount, and fltting speed is slower, and adding amount control is more accurate.
Further, multiple ventholes arranged side by side are set on the side wall of limit chamber, and gag lever post and limit chamber sealing cooperate；It is logical
Quantity or/and size that limitation is not limited the venthole of bar covering are crossed, to control the injection speed of syringe.With limit
The propulsion of bar is not limited the fewer of the venthole of bar covering, then the exhaust velocity of limit chamber gas is slower, makes the propulsion of piston
Speed is slower, accurately controls to be conducive to adding amount.
Further, multiple limit holes arranged side by side are set on the side wall of limit chamber；By being caught in limit plunger into limit hole,
To control the injection volume of syringe.Limit plunger is caught in limit hole, to be limited to gag lever post, to guarantee to inject
The calibrated shot of device effectively improves the precision of syringe.
Further, sealing is cylindrical, and sealing is made of layer of silica gel, braiding layer, nontoxic rubber layer from the inside to the outside, nothing
The inner sidewall glue connection of malicious rubber layer and injection tube injection port；Braiding layer uses (5-12) part bamboo fibre, (8-16) part staple glass
Fiber, (3-7) part activated carbon fibre weave.The structure of the sealing, stable structure is small, elasticity is good, and restoration is strong, by needle
It after shape portion punctures, can quickly restore, be polluted to avoid bacterium from entering, elasticity is better than institute in existing Medical Devices
Sterile rubber.Its braiding layer can stablize layer of silica gel and improve the globality that layer of silica gel is connect with nontoxic rubber layer.
Further, the layer of silica gel is made of following material: 10 parts of natural rubbers, 25 parts of part nanometer silica gels, 0.2 part of silicic acid
Calcium, 0.7 part of sorbierite, 0.6 part of N, N- ethylene bis stearamide, 3 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 2 parts of acetate fibers
Plain phthalate ester, 0.2 part of niobium oxide, 0.25 part of zirconium oxide, 4.2 parts of rosin resin acid.It is small in size due to rubber stopper, and puncture
The breakage rate percentage of rubber stopper is far longer than breakage rate percentage when existing rubber uses commonly greater than 30%, therefore,
The elasticity of conventional medical rubber is unable to reach requirement, has developed the elasticity and the good silica gel content of restoration hereby.
Further, the production method of sealing are as follows:
Step 1: the material for making layer of silica gel being separately heated to 150-180 DEG C and is kept for 4-6 minutes, some materials are melted
Glue is turned to, the material for making layer of silica gel is stirred evenly, is then placed in mold and is condensed into columned silica gel stick；
Step 2: the braiding layer after the outside of silica gel stick weaves 0.5-0.7mm, and make net of the braiding layer with 40-50 mesh
Hole, then to the silica gel stick with braiding layer 91-102 DEG C at a temperature of vulcanize 4-7min, merge braiding layer with silica gel stick；
Step 3: being formed in braiding layer outer layer using the nontoxic rubber that the pressure of 100-120kpa extrudes slush state
The nontoxic rubber layer of 0.2-0.4mm, is made sealing first product；
Step 4: sealing first product being put into zero degree environment and carries out sterilizing 4-7 days；Then to the surface of sealing first product
It polishes, sealing finished product is made.
This method is able to produce strong, nontoxic, the durable rubber structure of stability, with stronger availability and and preferably
Fungi-proofing effect can be improved the use generality of sealing finished product, improve the elasticity of sealing, make the sealing can satisfy with
Requirement of such specific position to elasticity at syringe oral area again.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. can be prevented thin by the way that sealing and design injection needle corresponding with the sealing is arranged in syringe oral area
Bacterium pollutes syringe from the oral area of syringe, improves fungi-proofing sterilization effect.The structure can be convenient to syringe and syringe needle point
Production is opened, to simplify production difficulty.
2. the cooperation of the limit chamber and limited post, the effective adding amount for controlling syringe.It is promoted by control gag lever post
The control of resistance improves the accurate control to syringe additional amount to effectively reduce the fltting speed of piston, promotes speed
Degree is slower, and adding amount control is more accurate.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is the structure chart of syringe;
Fig. 2 is the amplified sectional view of part A.
Appended drawing reference: 1- injection tube, 11- cylinder, 12- limit chamber, 13- sealing, 14- limit hole, 2- injection plug.21-
Shank, 22- columnar part, 23- gag lever post, 24- piston, 3- injection needle, 31- needle-like portion, 131- layer of silica gel, 132- braiding layer,
133- nontoxic rubber layer, 32- shell-like portion, 33- injection part, 4- limit plunger.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
.
Embodiment 1
As shown in Figure 1, of the invention, the invention discloses a kind of syringes, including injection tube 1, injection plug 2 and injection needle
3；It is provided with sealing 13 at the injection port of injection tube 1, is provided in the connecting pin of injection needle 3 for piercing through the sealing 13
Needle-like portion 31.
Sealing 13 be and the integrally formed film of injection tube 1.Film is integrally formed, and better tightness, cost is lower, energy
Enough disposable features, it is completely fungi-proofing.Injection needle 3 includes interconnecting piece and injection part 33, and connecting portion is in the connection of injection needle 3
End, interconnecting piece includes shell-like portion 32 and the needle-like portion 31.The injection needle 3 can puncture sealing 13 using its needle-like portion 31,
Guarantee that the normal use of syringe, the design in the shell-like portion 32 can be improved the connection fixing of syringe needle and syringe.
Injection tube 1 includes cylinder 11, and injection plug 2 includes shank 21, columnar part 22 and piston 24, piston 24 and cylinder 11
Inner sidewall sealing cooperation, injection plug 2 can inject or be pumped into medicament along the axial movement of injection tube 1.The structure simply can
The control of the progress injection volume of simple, intuitive, is convenient to the filling of syringe.The outside of cylinder 11 is provided with limit chamber 12, In
The side of columnar part 22 is provided with gag lever post 23 in parallel；When piston 24 moves in cylinder 11, what gag lever post 23 synchronized
It is moved in limit chamber 12, by limiting position or speed of the gag lever post 23 in limit chamber 12 to limit the injection of syringe
Amount or injection speed.The cooperation of the limit chamber 12 and limited post, the effective adding amount for controlling syringe.
Airspace is cooperatively formed between gag lever post 23 and limit chamber 12；Letting out for limit chamber 12 is controlled by airspace
Speed is pressed, to control the injection speed of syringe.As the part that gag lever post 23 is pushed into limit chamber 12 is more, ventilation
The length in gap is longer, and 12 gas of limit chamber is slower by the speed that gas is discharged in the airspace, to effectively reduce work
The fltting speed of plug 24 improves the accurate control to syringe additional amount, and fltting speed is slower, and adding amount control is more accurate.
Multiple ventholes arranged side by side are set on the side wall of limit chamber 12, and gag lever post 23 and the sealing of limit chamber 12 cooperate；It is logical
Quantity or/and size that limitation is not limited the venthole of the covering of bar 23 are crossed, to control the injection speed of syringe.With limit
The propulsion of position bar 23 is not limited the fewer of the venthole of the covering of bar 23, then the exhaust velocity of 12 gas of limit chamber is slower, makes to live
The fltting speed of plug 24 is slower, accurately controls to be conducive to adding amount.
Multiple limit holes 14 arranged side by side are set on the side wall of limit chamber 12；By being caught in limit plunger 4 into limit hole 14,
To control the injection volume of syringe.Limit plunger 4 is caught in limit hole 14, to be limited to gag lever post 23, to protect
The calibrated shot for demonstrate,proving syringe, effectively improves the precision of syringe.
The structure can prevent bacterium from note by setting sealing 13 and injection needle 3 corresponding with the sealing 13
The oral area of emitter pollutes syringe, improves fungi-proofing sterilization effect.The structure can be convenient to separately produce syringe and syringe needle,
To simplify production difficulty.
Embodiment 2
As shown in Fig. 2, sealing 13 is cylindrical, sealing 13 is from the inside to the outside by layer of silica gel 131, braiding layer 132, nontoxic
Rubber layer 133 forms, the inner sidewall glue connection of nontoxic rubber layer 133 and 1 injection port of injection tube；Braiding layer 132 uses 5-12 portions of bamboos
Fiber, 8-16 part short glass fiber, 3-7 parts of activated carbon fibre weave.The structure of the sealing 13, stable structure is small,
Elasticity is good, and restoration is strong, after being punctured by needle-like portion 31, can quickly restore, and pollutes to avoid bacterium from entering, bullet
Property is better than sterile rubber used in existing Medical Devices.Its braiding layer 132 can stablize layer of silica gel 131 and improve layer of silica gel
131 globalities being connect with nontoxic rubber layer 133.Layer of silica gel 131 is made of following material: 10 parts of natural rubbers, 25 parts of parts are received
Rice silica gel, 0.2 part of calcium silicates, 0.7 part of sorbierite, 0.6 part of N, N- ethylene bis stearamide, 3 parts of fatty alcohol polyoxyethylene ether sulphur
Sour sodium, 2 parts of cellulose acetate phthalate, 0.2 part of niobium oxide, 0.25 part of zirconium oxide, 4.2 parts of rosin resin acid.Due to rubber
Plug it is small in size, and puncture the breakage rate percentage of rubber stopper commonly greater than 30%, and be far longer than broken when existing rubber uses
Loss rate percentage, therefore, the elasticity of conventional medical rubber are unable to reach requirement, have developed the elasticity hereby and restoration is good
The silica gel content.
Embodiment 3
The production method of sealing 13 in embodiment 1 or 2 are as follows:
Step 1: the material for making layer of silica gel 131 being separately heated to 150-180 DEG C and is kept for 4-6 minutes, part material is made
Material melts to be gluey, and the material for making layer of silica gel 131 is stirred evenly, is then placed in mold and is condensed into columned silica gel
Stick；
Step 2: the braiding layer 132 after the outside of silica gel stick weaves 0.5-0.7mm, and make braiding layer 132 that there is 40-50
Purpose mesh, then to the silica gel stick with braiding layer 132 91-102 DEG C at a temperature of vulcanize 4-7min, make braiding layer 132 with
Silica gel stick fusion；
Step 3: being formed in 132 outer layer of braiding layer using the nontoxic rubber that the pressure of 100-120kpa extrudes slush state
13 first product of sealing is made in the nontoxic rubber layer 133 of 0.2-0.4mm；
Step 4: 13 first product of sealing being put into zero degree environment and carries out sterilizing 4-7 days；Then to 13 first product of sealing
Surface is polished, and 13 finished product of sealing is made.
This method is able to produce strong, nontoxic, the durable rubber structure of stability, with stronger availability and and preferably
Fungi-proofing effect can be improved the use generality of 13 finished product of sealing, improves the elasticity of sealing 13, enables the sealing 13
Meet and requirement of such specific position to elasticity at syringe oral area again.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (6)
1. a kind of syringe, which is characterized in that including injection tube (1), injection plug (2) and injection needle (3)；The note of injection tube (1)
It is provided with sealing (13) at loophole, the connecting pin of injection needle (3) is provided with the needle-like portion for piercing through the sealing (13)
(31)；Injection tube (1) includes cylinder (11), and injection plug (2) includes shank (21), columnar part (22) and piston (24), piston
(24) cooperate with the inner sidewall of cylinder (11) sealing, injection plug (2) to injection or can be pumped into along the axial movement of injection tube (1)
Medicament；It is provided with limit chamber (12) on the outside of cylinder (11), the side of columnar part (22) is provided with limit in parallel
Bar (23)；When piston (24) moves in cylinder (11), gag lever post (23) is synchronous to be moved in limit chamber (12), passes through limitation
Position or speed of the gag lever post (23) in limit chamber (12) are to limit the injection volume or injection speed of syringe；Sealing
(13) cylindrical, sealing (13) is made of layer of silica gel (131), braiding layer (132), nontoxic rubber layer (133) from the inside to the outside,
The inner sidewall glue connection of nontoxic rubber layer (133) and injection tube (1) injection port；Braiding layer (132) uses 5-12 parts of bamboo fibres, 8-16
Part short glass fiber, 3-7 parts of activated carbon fibre weave.
2. syringe as described in claim 1, which is characterized in that cooperatively formed between gag lever post (23) and limit chamber (12)
Airspace；By the pressure release speed of airspace control limit chamber (12), to control the injection speed of syringe.
3. syringe as described in claim 1, which is characterized in that be arranged on the side wall of limit chamber (12) arranged side by side multiple logical
Stomata, gag lever post (23) and limit chamber (12) sealing cooperate；It is not limited the quantity of the venthole of bar (23) covering by limiting
Or/and size, to control the injection speed of syringe.
4. syringe as described in claim 1, which is characterized in that multiple limits arranged side by side are arranged on the side wall of limit chamber (12)
Position hole (14)；By being caught in limit plunger (4) into limit hole (14), to control the injection volume of syringe.
5. syringe as described in claim 1, which is characterized in that the layer of silica gel (131) is made of following material: 10 parts of days
Right rubber, 25 parts of part nanometer silica gels, 0.2 part of calcium silicates, 0.7 part of sorbierite, 0.6 part of N, N- ethylene bis stearamide, 3 parts of fat
Alcohol polyethenoxy ether sodium sulfate, 2 parts of cellulose acetate phthalate, 0.2 part of niobium oxide, 0.25 part of zirconium oxide, 4.2 parts of abietyl trees
Resin acid.
6. syringe as described in claim 1, which is characterized in that the production method of sealing (13) are as follows:
Step 1: the material for making layer of silica gel (131) being separately heated to 150-180 DEG C and is kept for 4-6 minutes, some materials are made
Melt to be gluey, the material for making layer of silica gel (131) is stirred evenly, is then placed in mold and is condensed into columned silica gel
Stick；
Step 2: the braiding layer (132) after the outside of silica gel stick weaves 0.5-0.7mm, and make braiding layer (132) that there is 40-50
Purpose mesh, then to the silica gel stick with braiding layer (132) 91-102 DEG C at a temperature of vulcanize 4-7min, make braiding layer
(132) it is merged with silica gel stick；
Step 3: being formed in braiding layer (132) outer layer using the nontoxic rubber that the pressure of 100-120kpa extrudes slush state
Sealing (13) first product is made in the nontoxic rubber layer (133) of 0.2-0.4mm；
Step 4: sealing (13) first product being put into zero degree environment and carries out sterilizing 4-7 days；Then to sealing (13) first product
Surface is polished, and sealing (13) finished product is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611060733.XA CN106823068B (en) | 2016-11-28 | 2016-11-28 | A kind of syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611060733.XA CN106823068B (en) | 2016-11-28 | 2016-11-28 | A kind of syringe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106823068A CN106823068A (en) | 2017-06-13 |
| CN106823068B true CN106823068B (en) | 2019-11-12 |
Family
ID=59145784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611060733.XA Active CN106823068B (en) | 2016-11-28 | 2016-11-28 | A kind of syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106823068B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107583142A (en) * | 2017-10-10 | 2018-01-16 | 苏州浔宇新材料科技有限公司 | A kind of stable fixed-quantity injector of constant speed |
| CN110201267A (en) * | 2019-07-13 | 2019-09-06 | 黄德玉 | A kind of combined type aesthetic surgery syringe |
| CN111249580B (en) * | 2020-03-01 | 2021-12-07 | 宁波珈禾整形专科医院有限公司 | High-precision pressure propeller for autologous fat |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201370854Y (en) * | 2009-02-06 | 2009-12-30 | 浙江玉升医疗器械股份有限公司 | Self-destroying safety injector |
| CN201505350U (en) * | 2009-08-31 | 2010-06-16 | 王兴章 | Safe injector with injection needle capable of being pulled back |
| CN101905047A (en) * | 2009-06-03 | 2010-12-08 | 于海 | Reverse thrust type pre-charge injector |
| CN201978264U (en) * | 2011-03-07 | 2011-09-21 | 石洪菊 | Safety injector |
-
2016
- 2016-11-28 CN CN201611060733.XA patent/CN106823068B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201370854Y (en) * | 2009-02-06 | 2009-12-30 | 浙江玉升医疗器械股份有限公司 | Self-destroying safety injector |
| CN101905047A (en) * | 2009-06-03 | 2010-12-08 | 于海 | Reverse thrust type pre-charge injector |
| CN201505350U (en) * | 2009-08-31 | 2010-06-16 | 王兴章 | Safe injector with injection needle capable of being pulled back |
| CN201978264U (en) * | 2011-03-07 | 2011-09-21 | 石洪菊 | Safety injector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106823068A (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106823068B (en) | A kind of syringe | |
| AU2019219775B2 (en) | Clip syringe | |
| JP6546529B2 (en) | Single-use delivery device with primer element | |
| TW315304B (en) | ||
| WO2007083034A3 (en) | Pre-filled hypodermic syringe fitted with a stoppering device | |
| JP2017500097A (en) | Apparatus for dispensing composition and method for dispensing composition | |
| US3340872A (en) | Hypodermic syringe with distendable piston | |
| JP2004523270A (en) | Method and apparatus for a dental unit or a unit for the human body | |
| CN207400976U (en) | A kind of syringe that can reduce drug waste | |
| CN209662354U (en) | Injection of tissue glue dual chamber syringe | |
| CN204543133U (en) | Automatic vent syringe | |
| US2578813A (en) | Device for hypodermic injections | |
| CN106377819A (en) | Auto-destruct syringe with affiliated bag type containing cavity | |
| US3433224A (en) | Gas actuated hypodermic syringe | |
| CN208049128U (en) | A kind of straight type remaining needle of operation | |
| CN207400745U (en) | Blood back pin catamaran type visible structure and catamaran type visible blood-back pin | |
| CN208448326U (en) | A kind of disposable syringe | |
| CN107715245A (en) | New reconstitution injector | |
| CN214074549U (en) | Veterinary syringe | |
| CN219539077U (en) | Novel infusion prefill needle | |
| CN207980124U (en) | A kind of self-destroy safety injector | |
| CN107715251A (en) | Novel pressure controls syringe | |
| CN2666448Y (en) | Infusion device | |
| CN107715250A (en) | Novel injector | |
| CN107715249A (en) | Novel double-end syringe |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |