CN106492313A - A kind of cassette full-automatic injecting pen - Google Patents
A kind of cassette full-automatic injecting pen Download PDFInfo
- Publication number
- CN106492313A CN106492313A CN201611226505.5A CN201611226505A CN106492313A CN 106492313 A CN106492313 A CN 106492313A CN 201611226505 A CN201611226505 A CN 201611226505A CN 106492313 A CN106492313 A CN 106492313A
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- China
- Prior art keywords
- medicine bottle
- shell
- percussion
- inner shell
- injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
- A61M5/31576—Constructional features or modes of drive mechanisms for piston rods
-
- 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
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M2005/2006—Having specific accessories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
- A61M2005/3152—Piston or piston-rod constructions, e.g. connection of piston with piston-rod including gearings to multiply or attenuate the piston displacing force
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The cassette full-automatic injecting pen that the present invention is provided, bottom seal end of the handss by percussion sleeve shell, pulls medicine bottle section shell, makes the medicine bottle section shell of the first Access Division connection, medicine bottle section inner shell be separated, enter needle spring release compression stress, percussion sleeve inner shell is in cock.When the resistance of injection position received by percussion cylinder, wedge surface levers up buckle inserting needle action and is excited.Percussion sleeve inner shell is moved to injection position rapidly, the percussion sleeve inner shell of the second Access Division connection, medicine bottle section inner shell are separated from each other, injection spring promotes push rod, due to the vacuum action of cavity between push rod and piston rod, injection spring while the piston of card pushing type Ping Yao pins mechanism forward is injected is detached the effect to form negative pressure and is slowed down by cavity.With the supplement of air in space between push rod cavity and piston rod, damping force gradually weakens, and the power of injection spring release is finally completed injection.Fast inserting needle, the requirement of slow injection when injection pen in this programme finally can be realized injecting.
Description
Technical field
The invention belongs to technical field of medical equipment, more particularly to a kind of cassette full-automatic injecting pen.
Background technology
At present, the syringe for medically commonly using both at home and abroad is to include needle tubing, core bar, piston and syringe needle, needs during use
Want manual Continued depression core bar to be injected, typically injection can only be imposed in person to patient by the medical personnel of specialty.Medical journey
Sequence is complicated, waste time and energy, need first aid, save oneself, autotherapy, the patient of carrying about standby and crowd bring inconvenience.In addition, market
On also there are full-automatic XiLin bottled syringes of some prepackage medicinal liquids, due to complex structure, injection operation link is more, such as sometimes
Water for injection is sucked first, reinject, then suction out medicinal liquid again and discharge air and could implement to note
Penetrate, the general non-medical staff of this operation can not be grasped easily, for emergent self-rescue or daily self-injection are treated very not
It is suitable for.And its spring safety is unreliable, during injection, fast injection enters medicinal liquid, and the muscle for causing pressure jump to cause should
Anxious contraction, first aid effect are unsatisfactory.
Accordingly, it is desirable to provide a kind of cassette full-automatic injecting pen, fast inserting needle, the requirement of slow injection when can realize injecting,
Improve that the muscle caused because of pressure jump is emergent to be shunk, make medicine smoothly push human body, maximum possible when meeting first aid from
The operational requirements that rescue, mutually rescues.
Content of the invention
The invention provides a kind of cassette full-automatic injecting pen, when can realize injecting, fast inserting needle, the requirement of slow injection, full
The operational requirements saving oneself, mutually rescue of maximum possible during foot first aid.
For solving above-mentioned technical problem, the invention provides a kind of cassette full-automatic injecting pen, including energy storage firing lock
With the clamped bottle Yao Zhen mechanisms being arranged on inside the energy storage firing lock, the energy storage firing lock include medicine bottle section inner shell,
Medicine bottle section shell, percussion sleeve inner shell, percussion sleeve shell, piston rod and push rod；Wherein,
The first half of the medicine bottle section inner shell is arranged and is fixed in the clamped bottle Yao Zhen mechanisms and latter half is arranged
On the percussion sleeve inner shell；
The medicine bottle section shell is set on the medicine bottle section inner shell and the two is connected by the first Access Division, and described first
Access Division can be in the medicine bottle section shell and the medicine in the state of the energy storage firing lock is extruded along injection direction
Bottle section inner shell can be separated；
The percussion sleeve shell and the medicine bottle section cage connection, the percussion sleeve inner shell are arranged on the percussion set
Cylinder inside the shell, and described percussion sleeve inner shell be connected by the second Access Division with the medicine bottle section inner shell, when the energy storage percussion
When mechanism is in cock, the percussion sleeve inner shell can be separated with the medicine bottle section inner shell；
The piston rod is arranged at the bottom seal end of the percussion sleeve inner shell, and one end of the push rod is fastened on described
On the piston of clamped bottle Yao Zhen mechanisms bottom, the other end of the push rod has the cavity being set on the piston rod, and institute
State push rod to move relative to the piston rod；
It is provided between the percussion sleeve inner shell and the percussion sleeve shell for by the percussion sleeve inner shell edge
It is provided with for pushing away described between the shoulder block for entering needle spring, the shoulder block of the push rod and the piston rod of injection direction propulsion
The injection spring of the injection speed that bar is advanced along injection direction.
Preferably, in above-mentioned cassette full-automatic injecting pen, the clamped bottle Yao Zhen mechanisms include cassette medicine bottle and setting
Syringe needle on the cassette medicine bottle, wherein, the cassette medicine bottle is fixed on the medicine bottle section inner housing inner.
Preferably, in above-mentioned cassette full-automatic injecting pen, the cassette full-automatic injecting pen also includes cap for brush protection machine
Structure, the cap for brush protection mechanism include the shield needle cap of the needle end for being set in the cassette medicine bottle.
Preferably, in above-mentioned cassette full-automatic injecting pen, the cap for brush protection mechanism is also included for wrapping up the pin
The percussion cylinder of head, the end of the percussion cylinder are connected by the 3rd Access Division with the medicine bottle section shell, on the inside of the percussion cylinder
It is additionally provided with for limiting the spacing shoulder block that the clamped bottle Yao Zhen mechanisms move along injection position direction.
Preferably, in above-mentioned cassette full-automatic injecting pen, the cassette full-automatic injecting pen also includes button mechanism；Its
In, the button mechanism includes being set in the button sleeve of the medicine bottle section outer side, is arranged on the button sleeve and institute
State between medicine bottle section outer side and for providing the holding spring of tensile force to the button sleeve and prevent for control
Percussion detached with the medicine bottle section shell safety plug of cylinder.
Preferably, in above-mentioned cassette full-automatic injecting pen, the 3rd Access Division includes being arranged on the percussion cylinder
Buckle and the draw-in groove being arranged on the medicine bottle section shell, the percussion cylinder end is additionally provided with front springs.
Preferably, in above-mentioned cassette full-automatic injecting pen, the percussion cylinder includes cylinder, is set in described cylinder one end
The cap for brush, be arranged between the cap for brush and the cylinder and one end connects the dropout spring of the cap for brush.
Preferably, in above-mentioned cassette full-automatic injecting pen, the cap for brush is fastenedly connected with the shield needle cap.
Preferably, in above-mentioned cassette full-automatic injecting pen, the medicine bottle section shell and the percussion sleeve shell are removable
That unloaded is fastenedly connected.
Preferably, in above-mentioned cassette full-automatic injecting pen, the medicine bottle section shell is at the position of first Access Division
It is provided with reset assembly.
A kind of cassette full-automatic injecting pen provided by the present invention, including energy storage firing lock, energy storage firing lock includes
Medicine bottle section inner shell, medicine bottle section shell, percussion sleeve inner shell, percussion sleeve shell, push rod and piston rod.In both hands, particularly list
The bottom seal end of percussion sleeve shell in handss injection manipulation, is pinned, while pulling medicine bottle section shell, the first Access Division is made
The medicine bottle section shell of connection, medicine bottle section inner shell are separated from each other, and the compressive state for entering needle spring discharges rapidly, at percussion sleeve inner shell
In cock, percussion sleeve inner shell is moved to injection position together with drive clamped bottle Yao Zhen mechanisms rapidly.When inserting needle action is
When will complete, the percussion sleeve inner shell of the second Access Division connection, medicine bottle section inner shell are separated from each other, and the compressive state of injection spring is fast
Rapid release is put, and promotes push rod to move to injection position, and due to the vacuum action of cavity between push rod and piston rod, injection spring drives
While the piston of card pushing type Ping Yao pins mechanism forward is injected, push rod is detached the effect to form negative pressure and is subtracted push rod by cavity
Speed.With push rod cavity and piston rod between supplement of the space to cavity air, damping force gradually weakens, and injection spring discharges
Power most injection all releases clamped bottle Yao Zhen mechanisms at last.Relative to background technology, a kind of cassette that this programme is provided is complete
Automatic injection pen, the clamping part of the first Access Division of injection pen are separated, and the compression stress for entering needle spring drives percussion sleeve inner shell
Quick needle insertion, the compression stress of subsequent injection spring are subject to the damping force that vacuum cavity is brought in push rod again, push away so as to slow down push rod
Dynamic injection speed, final realize fast inserting needle during injection, the requirement of slow injection, the saving oneself of maximum possible when meeting first aid,
The operational requirements that mutually rescues.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of cassette full-automatic injecting pen provided by the present invention；
Fig. 2 is the structural representation of medicine bottle section inner shell in the present invention.
In figure：Medicine bottle section inner shell 110, medicine bottle section shell 111, reset assembly 113, percussion sleeve inner shell 120, percussion set
Cylinder shell 121, piston rod 122, push rod 123, enter needle spring 131, injection spring 132；Cassette medicine bottle 201, syringe needle 202；Shield pin
Cap 301, percussion cylinder 302, front springs 303, the cap for brush 304, dropout spring 305；Keep spring 401, button sleeve 402, insurance
Pin 403.
Specific embodiment
The core of the present invention is to provide a kind of cassette full-automatic injecting pen, fast inserting needle when can realize injecting, slow injection
Require, the operational requirements that saves oneself, mutually rescue of maximum possible when meeting first aid.
In order that those skilled in the art more fully understands the technical scheme of present invention offer, below in conjunction with accompanying drawing and
The present invention is described in further detail for specific embodiment.
Refer to Fig. 1 and Fig. 2, a kind of cassette full-automatic injecting pen provided by the present invention, including energy storage firing lock and
The clamped bottle Yao Zhen mechanisms being arranged on inside energy storage firing lock, energy storage firing lock are included outside medicine bottle section inner shell 110, medicine bottle section
Shell 111, percussion sleeve inner shell 120, percussion sleeve shell 121, piston rod 122 and push rod 123.The first half of medicine bottle section inner shell 110
Part is arranged and is fixed in clamped bottle Yao Zhen mechanisms, and the latter half of medicine bottle section inner shell 110 is used for being set in percussion sleeve inner shell
On 120.Medicine bottle section shell 111 is set on medicine bottle section inner shell 110 and the two is connected by the first Access Division, the first Access Division energy
Enough 110 points of medicine bottle section shell 111 and medicine bottle section inner shell are being caused in the state of energy storage firing lock is extruded along injection direction
From.Percussion sleeve shell 121 is connected with medicine bottle section shell 111.First Access Division can be to be arranged on medicine bottle section shell 111 and medicine
Screw thread groove on 110 phase-contact surface of bottle section inner shell or can mutual clamping draw-in groove, along injection direction promotion energy storage percussion lock
Structure separates can the dropout of the first Access Division, disengage so as to medicine bottle section shell 111 and medicine bottle section inner shell 110 are separated.Percussion sleeve
Can be threaded connection on 111 phase-contact surface of shell 121 and medicine bottle section shell or other are removably fastenedly connected mode.
Percussion sleeve inner shell 120 is arranged in percussion sleeve shell 121 and passes through the second Access Division with medicine bottle section inner shell 110
Connection.When energy storage firing lock is in cock, percussion sleeve inner shell 120 can be separated with medicine bottle section inner shell 110.It is subject to axle
After outward force is promoted, the second Access Division junction can disengage, and percussion sleeve inner shell 120 produces relative with medicine bottle section inner shell 110
Mobile.Piston rod 122 is arranged at the bottom seal end of percussion sleeve inner shell 120, and one end of push rod 123 is fastened on clamped bottle medicine pin
On the piston of mechanism bottom, the other end of push rod 123 has the cavity being set on piston rod 122, and push rod 123 can be relative
Move in piston rod 122.Particularly, when the cavity being set on piston rod 122 of push rod 123 in injection process original state is in
During vacuum state, damping when mutually moving between push rod 123 and piston rod 122 is more preferable.Fire sleeve inner shell 120 and live
Stopper rod 122 may be provided at the bottom seal end of percussion sleeve shell 121.Percussion sleeve inner shell 120 and percussion sleeve shell 121
Between be provided with for percussion sleeve inner shell 120 is entered needle spring 131 along injection direction propulsion, enter needle spring 131 be in
The compression spring of compressive state.Be provided between the shoulder block of the shoulder block of push rod 123 and piston rod 122 push rod 123 is acted on along note
The injection spring 132 of the injection speed of direction propulsion is penetrated, injection spring 132 is the compression spring in compressive state, when second
The percussion sleeve inner shell of Access Division connection, medicine bottle section inner shell are separated from each other, and the compressive state of injection spring 132 discharges rapidly, pushes away
Dynamic push rod is moved to injection position, and due to the vacuum action of cavity between push rod and piston rod, injection spring is in card pushing type forward
While the piston of Ping Yao pins mechanism is injected, the effect to form negative pressure is detached by cavity and is slowed down.Cavity and work with push rod
Supplement of the space between stopper rod to cavity air, damping force gradually weaken, and most injection is whole at last for the power of injection spring release
Release clamped bottle Yao Zhen mechanisms.Wherein, it is provided between percussion sleeve inner shell 120 and percussion sleeve shell 121 for will percussion
Arrange between the shoulder block for entering needle spring 131, the shoulder block of push rod 123 and piston rod 122 that sleeve inner shell 120 is advanced along injection direction
Have the injection spring 132 for the injection speed that push rod 123 is advanced along injection direction.
In both hands, particularly one-handed injection operating process, the bottom of percussion sleeve shell 121 is pinned, while pulling medicine
Bottle section shell 111, is separated from each other the medicine bottle section shell 111 of the first Access Division connection, medicine bottle section inner shell 110.Enter needle spring
Compressive state discharges rapidly, and percussion sleeve inner shell 120 is in cock, when firing the resistance that cylinder inside and outside shell receives injection position,
Inserting needle action when the wedge surface of the second Access Division phase clamping levers up the buckle of the second Access Division is excited, and percussion sleeve inner shell 120 is fast
Speed is moved to injection position.When inserting needle action is near completion, the percussion sleeve inner shell of the second Access Division connection, medicine bottle section inner shell
Be separated from each other, the compressive state of injection spring discharges rapidly, promote push rod move to injection position, due to push rod and piston rod it
Between cavity vacuum action, injection spring card pushing type Ping Yao pins mechanism forward piston inject while, detached shape by cavity
Slow down into the effect of negative pressure.With push rod cavity and piston rod between supplement of the space to cavity air, damping force is gradually
Weaken, most injection all releases clamped bottle Yao Zhen mechanisms to the power of injection spring release at last.A kind of cassette that this programme is provided
Full-automatic injecting pen, the clamping part of the first Access Division of injection pen are separated, and the compression stress for entering needle spring is driven in percussion sleeve
Shell quick needle insertion, the compression stress of subsequent injection spring are subject to the damping force that vacuum cavity is brought in push rod again, so as to slow down push rod
The injection speed of promotion, final realize fast inserting needle during injection, the requirement of slow injection, maximum possible when meeting first aid from
The operational requirements that rescue, mutually rescues.
Further, clamped bottle Yao Zhen mechanisms include cassette medicine bottle 201 and the syringe needle 202 being arranged on cassette medicine bottle 201, its
In, cassette medicine bottle 201 is fixed on inside medicine bottle section inner shell 110.Cassette full-automatic injecting pen also includes cap for brush protection mechanism, the cap for brush
Protection mechanism includes the shield needle cap 301 of the needle end for being set in cassette medicine bottle 201.Shield needle cap 301 its blockade needle 202 most before
Xiang Duan, to keep the aseptic of the in-house medicament of clamped bottle medicine pin, so that in use, start cassette full-automatic injecting immediately
Shield needle cap 301 must be removed from syringe needle 202 before penetrating pen.
Further, cap for brush protection mechanism 3 also includes, for wrapping up the percussion cylinder 302 of syringe needle 202, firing the end of cylinder 302
It is connected by the 3rd Access Division with medicine bottle section shell 111, is additionally provided with for limiting clamped bottle Yao Zhen mechanisms on the inside of percussion cylinder 302
Along the spacing shoulder block that injection position direction is moved.3rd Access Division can include being arranged on percussion cylinder 302 for being detachably connected
Inclined-plane projection and the draw-in groove being arranged on medicine bottle section shell 111, so as to the Access Division for being formed.3rd Access Division includes arranging
The buckle and the draw-in groove being arranged on medicine bottle section shell 111 of the forms such as the inclined-plane projection on percussion cylinder 302, wherein, percussion
Cylinder 302 also includes that being arranged on 302 end of percussion cylinder is additionally provided with front springs 303.3rd Access Division is in the dropout that is squeezed
Under state, front springs 303 discharge compression stress from compressive state, and auxiliary percussion cylinder 302 is ejected.
Such as Fig. 1, the first projection and medicine bottle section inner shell 110 in a kind of specific embodiment, on medicine bottle section shell 111
On the second projection mutually abut, so as to form the first Access Division.When the first shackle portion is from clamped bottle Yao Zhen mechanisms are by everywhere
In the spring force that the injection spring 132 of compressive state discharges, injection spring 132 drives clamped bottle Yao Zhen mechanisms to transport to injection direction
Dynamic.Stop at clamped bottle medicine pin mechanism kinematic to the spacing shoulder block fired on the inside of cylinder 302, for limiting clamped bottle medicine pin machine
Structure moves to stop of the certain position by spacing shoulder block so as to playing position-limiting action along injection position direction so that clamped bottle medicine
The syringe needle of pin mechanism is no longer pierced into human body.
In a kind of specific embodiment, hand-held percussion sleeve shell 121 will be pressed after its bottom alignment injection position, is hit
Send out the draw-in groove on inclined-plane projection and the medicine bottle section shell 111 of cylinder 302 to collide stress, inclined-plane projection is lifted from draw-in groove, and it is right to release
The locking constraint of energy storage firing lock.
Further, cassette full-automatic injecting pen also includes button mechanism.Wherein, button mechanism includes being set in outside medicine bottle section
Button sleeve 402 on the outside of shell 111, be arranged on the outside of button sleeve 402 and medicine bottle section shell 111 between and be used for button set
Cylinder 402 provides the holding spring 401 of tensile force and prevents from firing cylinder 302 and 111 detached guarantor of medicine bottle section shell for control
Dangerous pin 403.Spring 401 is kept to be in compressive state.Its bottom can be directed at injection position in hand-held percussion sleeve shell 121
After press, fire the draw-in groove on inclined-plane projection and the medicine bottle section shell 111 of cylinder 302 and collide after stress, the taper pin head of safety plug 403
The inclined-plane projection of percussion cylinder 302 is lifted from draw-in groove, is constrained so as to release the locking to energy storage firing lock.
Further, percussion cylinder 302 includes cylinder, the cap for brush 304 for being set in cylinder one end, is arranged on the cap for brush 304 and cylinder
Between and one end connect the cap for brush 304 dropout spring 305.The effect of wedge surface forces the buckle wedge surface of the cap for brush 304 to be squeezed inwardly
Shrink, in the presence of dropout spring 305, if the cap for brush 304 is fastenedly connected with shield needle cap 301, can be together with the shield needle cap 301, cap for brush
304 and dropout spring 305 flick, depart from the other parts of cassette full-automatic injecting pen, in treating inserting needle state.
Further, medicine bottle section shell 111 is provided with reset assembly 113 at the first Access Division position, can pass through
The connector of the above-mentioned cassette full-automatic injecting pen of reset assembly auxiliary assembling so that injection pen changes clamped bottle Yao Zhen mechanisms again
After can be with Reusability.
The cassette full-automatic injecting pen that this programme is provided, is for cassette medicine bottle calibrated shot, is suitable for disaster scene, war
Field, outdoor activities injury etc. need the medical apparatus and instruments that the special occasions of first aid is used.When needing to inject, as long as operator is singlehanded
Do shirtsleeve operation, you can implement injection.The behaviour for saving oneself, mutually rescuing of maximum possible when meeting first aid is realized in this programme design
Make demand.During cassette full-automatic injecting complete combination：1. cassette medicine bottle has been arranged in injection pen.2. in energy storage firing lock
Constraint under, be locked in rear end by inserting needle spring-compressed and by cassette medicine bottle, in treating cock.3. cassette medicine bottle front end is noted
Needle section is penetrated with pin helmet, prevents from polluting.4. the inside of the front end cap for brush, is fastenedly connected with shield needle cap.5. percussion cylinder is locked.
6. injection pen inner chamber is in the microclimate environment of aseptic condition.7. for adapting to the action request that fast inserting needle is injected slowly during injection, if
Damping mechanism having been put, that is, having entered needle spring and injection spring, injecting energetically after percussion has been injected to reduce, medicine has entered human body
Pressure reduces, and improves to meet an urgent need because of the muscle that pressure jump causes and shrinks, medicine can be made smoothly to push human body.Under cock：8.
Pin helmet is driven and is pulled out by the first step, the cap for brush, is separately from other sections with injection pen.9. second step, injection anterior end of pen alignment is noted
Penetrate position pressing hold mode.Cause 10. the 3rd steps, the first Access Division and the 3rd Access Division to be threaded off, before human body is pierced into, enter
Needle spring and injection spring discharge force injection and start aerofluxuss, and continuously motion piercing human body completes to inject.
In sum, this cassette full-automatic injecting pen device also have easy to carry, simple to operate, reusable for several times, nothing
The using effect for needing other energy resource supply power etc. good.
Above a kind of cassette full-automatic injecting pen provided by the present invention is described in detail.Tool used herein
Body example is set forth to principle of the invention and embodiment, and the explanation of above example is only intended to help and understands this
Bright method and its core concept.It should be pointed out that for those skilled in the art, without departing from the present invention
On the premise of principle, some improvement and modification can also be carried out to the present invention, these improvement and modification also fall into right of the present invention
In the protection domain of requirement.
Claims (10)
1. a kind of cassette full-automatic injecting pen, it is characterised in that including energy storage firing lock and be arranged on the energy storage percussion lock
Clamped bottle Yao Zhen mechanisms inside structure, the energy storage firing lock include medicine bottle section inner shell (110), medicine bottle section shell (111), hit
Hair net cylinder inner shell (120), percussion sleeve shell (121), piston rod (122) and push rod (123)；Wherein,
The first half of medicine bottle section inner shell (110) is arranged and is fixed in the clamped bottle Yao Zhen mechanisms and latter half is arranged
On percussion sleeve inner shell (120)；
Medicine bottle section shell (111) are set in described medicine bottle section inner shell (110) above and the two is connected by the first Access Division, institute
Stating the first Access Division can be in the medicine bottle section shell in the state of the energy storage firing lock is extruded along injection direction
(111) can separate with the medicine bottle section inner shell (110)；
Percussion sleeve shell (121) is connected with medicine bottle section shell (111), and percussion sleeve inner shell (120) is arranged
In percussion sleeve shell (121), and percussion sleeve inner shell (120) and described medicine bottle section inner shell (110) are by the
Two Access Divisions connect, when the energy storage firing lock is in cock, percussion sleeve inner shell (120) and the medicine bottle
Section inner shell (110) can be separated；
Piston rod (122) be arranged at described percussion sleeve inner shell (120) bottom seal end, the one of push rod (123)
End is fastened on the piston of the clamped bottle Yao Zhen mechanisms bottom, and the other end of push rod (123) has and is set in the work
Cavity and the push rod (123) on stopper rod (122) can be mobile relative to the piston rod (122)；
It is provided between percussion sleeve inner shell (120) and percussion sleeve shell (121) for by the percussion sleeve
Inner shell (120) enters needle spring (131), the shoulder block of push rod (123) and the piston rod (122) along what injection direction was advanced
Be provided with the injection spring (132) for the injection speed that the push rod (123) is advanced along injection direction between shoulder block.
2. cassette full-automatic injecting pen according to claim 1, it is characterised in that the clamped bottle Yao Zhen mechanisms include card
Formula medicine bottle (201) and the syringe needle (202) being arranged on cassette medicine bottle (201), wherein, described cassette medicine bottle (201) are fixed
Internal in described medicine bottle section inner shell (110).
3. cassette full-automatic injecting pen according to claim 2, it is characterised in that the cassette full-automatic injecting pen is also wrapped
Cap for brush protection mechanism is included, the cap for brush protection mechanism includes the shield needle cap of the needle end for being set in cassette medicine bottle (201)
(301).
4. cassette full-automatic injecting pen according to claim 3, it is characterised in that cap for brush protection mechanism (3) also wrap
Include for wrapping up the percussion cylinder (302) of the syringe needle (202), the end of percussion cylinder (302) and the medicine bottle section shell
(111) connected by the 3rd Access Division, be additionally provided with the inside of percussion cylinder (302) for limiting the clamped bottle Yao Zhen mechanisms
Along the spacing shoulder block that injection position direction is moved.
5. cassette full-automatic injecting pen according to claim 4, it is characterised in that the cassette full-automatic injecting pen is also wrapped
Include button mechanism；Wherein, the button mechanism include being set in button sleeve (402) on the outside of medicine bottle section shell (111),
Between being arranged on the outside of button sleeve (402) and medicine bottle section shell (111) and it is used for button sleeve (402)
The holding spring (401) of tensile force is provided and percussion cylinder (302) and medicine bottle section shell (111) is prevented for control
Detached safety plug (403).
6. cassette full-automatic injecting pen according to claim 4, it is characterised in that the 3rd Access Division includes being arranged on
Buckle and the draw-in groove being arranged on medicine bottle section shell (111) on percussion cylinder (302), percussion cylinder (302)
End is additionally provided with front springs (303).
7. cassette full-automatic injecting pen according to claim 6, it is characterised in that described percussion cylinder (302) include cylinder,
The cap for brush (304) of described cylinder one end is set in, is arranged between the cap for brush (304) and the cylinder and one end connection is described
The dropout spring (305) of the cap for brush (304).
8. cassette full-automatic injecting pen according to claim 7, it is characterised in that the cap for brush (304) and the shield pin
Cap (301) is fastenedly connected.
9. cassette full-automatic injecting pen according to claim 1, it is characterised in that medicine bottle section shell (111) and institute
State percussion sleeve shell (121) to be removably fastenedly connected.
10. cassette full-automatic injecting pen according to claim 1, it is characterised in that medicine bottle section shell (111) are in institute
State and at the first Access Division position, be provided with reset assembly (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226505.5A CN106492313B (en) | 2016-12-27 | 2016-12-27 | Card type full-automatic injection pen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226505.5A CN106492313B (en) | 2016-12-27 | 2016-12-27 | Card type full-automatic injection pen |
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| CN106492313A true CN106492313A (en) | 2017-03-15 |
| CN106492313B CN106492313B (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611226505.5A Active CN106492313B (en) | 2016-12-27 | 2016-12-27 | Card type full-automatic injection pen |
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| CN109908434A (en) * | 2019-04-29 | 2019-06-21 | 中国人民解放军东部战区总医院 | A kind of replaceable drug is prefilled with automatic injector and its working method |
| CN110237365A (en) * | 2019-07-08 | 2019-09-17 | 宁波诺生医疗器械有限公司 | A kind of medical injection device of replaceable medicine bottle |
| CN110404139A (en) * | 2019-05-22 | 2019-11-05 | 上海久森医疗科技有限公司 | Medical injection device |
| CN110709121A (en) * | 2017-06-08 | 2020-01-17 | 安进公司 | Torque-driven drug delivery device |
| CN110743064A (en) * | 2019-11-15 | 2020-02-04 | 杭州快通科技有限公司 | Electronic injection pen |
| WO2023185602A1 (en) * | 2022-03-30 | 2023-10-05 | 苏州赛卫生物科技有限公司 | Automatic injection pen |
| WO2024055268A1 (en) * | 2022-09-16 | 2024-03-21 | 嘉兴森迈医疗科技有限公司 | Mechanical automatic injection pen |
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| WO2023185602A1 (en) * | 2022-03-30 | 2023-10-05 | 苏州赛卫生物科技有限公司 | Automatic injection pen |
| WO2024055268A1 (en) * | 2022-09-16 | 2024-03-21 | 嘉兴森迈医疗科技有限公司 | Mechanical automatic injection pen |
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|---|---|
| CN106492313B (en) | 2023-01-10 |
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