CN107308523A - Finely tune injection pen - Google Patents
Finely tune injection pen Download PDFInfo
- Publication number
- CN107308523A CN107308523A CN201710671909.3A CN201710671909A CN107308523A CN 107308523 A CN107308523 A CN 107308523A CN 201710671909 A CN201710671909 A CN 201710671909A CN 107308523 A CN107308523 A CN 107308523A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- cylinder
- push rod
- adjusting rod
- clamping ring
- 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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Links
- 238000002347 injection Methods 0.000 title claims abstract description 78
- 239000007924 injection Substances 0.000 title claims abstract description 78
- 230000033228 biological regulation Effects 0.000 claims abstract description 36
- 230000033001 locomotion Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 239000007799 cork Substances 0.000 claims description 8
- 230000001737 promoting effect Effects 0.000 claims description 4
- 238000003032 molecular docking Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 229940079593 drug Drugs 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002906 medical waste Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 208000017667 Chronic Disease Diseases 0.000 description 1
- 241001411320 Eriogonum inflatum Species 0.000 description 1
- 208000013016 Hypoglycemia Diseases 0.000 description 1
- 231100000570 acute poisoning Toxicity 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 230000002218 hypoglycaemic effect Effects 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940043263 traditional drug Drugs 0.000 description 1
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
- A61M5/2033—Spring-loaded one-shot injectors with or without automatic needle insertion
-
- 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
- A61M2005/2026—Semi-automatic, e.g. user activated piston is assisted by additional source of energy
-
- 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
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
- A61M2005/2403—Ampoule inserted into the ampoule holder
- A61M2005/2411—Ampoule inserted into the ampoule holder from the front
Abstract
Injection pen is finely tuned the invention discloses one kind, including：Differential screw transmission mechanism, it includes push rod, push rod nut, position rotating ratchet, adjusting rod, ratchet cylinder；Dial dose mechanism, it includes knob, digital cylinder, adjustment barrel and ratchet clamping ring and regulation connecting cylinder, and ratchet clamping ring is set in outside adjusting rod；Housing, differential screw transmission is arranged in housing, and housing, which is provided with form, housing, is provided with pen core frame；Injection mechanism, it includes button connector, button, by key spring etc..During regulation, " click " sound occurs in the contact position of ratchet clamping ring and ratchet cylinder in the presence of ratchet；In readjustment, " click " sound also occurs, by sound, in addition with reference to the visual cues of form, the regulation of dosage can be conducive to user with sound prompting.In addition the fine setting injection pen may be reused, and relative to traditional direct-push injection pen, by the way that screw is converted into linear motion, can effectively improve injection precision.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of fine setting injection pen.
Background technology
Traditional drug injection is usually required health care professional and injected using disposable sterilized injector, and it is injected
The problems such as process can produce glass chip and cause liquid waste unavoidably.
To solve the above problems, arisen at the historic moment it is a kind of can with the injection pen of self-injection, in implement injection, only need by
Medicine bottle loads in injection pen, and self-injection can just be realized by connecting the syringe needle matched, and whole injection process will not produce glass
Chip, decoction is not shifted, and is not exposed in air, therefore can ensure the security of medication, improves the convenience of medication.
It can be applied to all kinds of first aids and chronic disease diabetes mellitus etc., help cardiovascular and cerebrovascular patient, hypoglycemia patient real
Existing self-injection, first aid using medicine, hemostasis and pain-relieving, chemical and biological weapons when next applies also for acute poisoning or morbidity
Save oneself.But existing injection pen is not easy to adjust dosage, and it is difficult to accurately control dosage in injection.
Therefore, how a kind of fine setting injection pen is provided, in order to dosage regulation and improve its medication accuracy of measurement, be this
Art personnel are badly in need of the technical problem solved.
The content of the invention
Injection pen is finely tuned it is an object of the invention to provide one kind, the problems such as dosage regulation is inaccurate can be effectively solved.
In order to solve the above technical problems, the invention provides following technical scheme：
One kind fine setting injection pen, including：
Differential screw transmission mechanism, it include be used for promote clamping type bottle cork push rod, with pushing away that the push rod is threadedly coupled
Axially the position rotating ratchet of docking, one end and the position rotating ratchet can clutch connections for stem nut and the push rod nut
Adjusting rod and control adjusting rod rotation ratchet cylinder, the ratchet jacket casing is located at outside the adjusting rod；
Dial dose mechanism, it includes knob, digital cylinder, adjustment barrel and ratchet clamping ring and regulation connecting cylinder, described
Ratchet clamping ring is set in outside the adjusting rod, and the regulation connecting cylinder is set in the adjusting rod and the ratchet clamping ring
And outside the ratchet cylinder, the incline direction of the ratchet at the ratchet clamping ring two ends is identical, the two of the ratchet clamping ring
End is connected with the adjusting rod and ratchet cylinder respectively by ratchet, and the regulation connecting cylinder is threadedly attached in the tune
Save outside cylinder, the digital jacket casing is connected on outside the regulation connecting cylinder, and the top of the digital cylinder is connected in the knob
Portion, the digital drum outer wall is provided with the graduation mark being distributed in the shape of a spiral；
Housing, the differential screw transmission is arranged in the housing, and the housing, which is provided with, to be used to show the number
The pen core frame for being used for installing the clamped bottle is provided with the form of scale on cylinder, the housing；
Injection mechanism, it includes the button connector of the end thereof contacts of one end and ratchet cylinder, promotes the button to connect
The button of fitting axial movement, two ends push against respectively the button connector and the button by key spring, it is described in pressing
After button, the button connector and the ratchet clamping ring are axially moved, and the digital cylinder is spinned axial movement.
Preferably, being provided with the housing is used to promote the push rod nut to move down and then drive the positioning rotation
Turn the back-moving spring that ratchet and the adjusting rod are separated from each other, the bottom end of the back-moving spring is pushed against the push rod nut
Upper end.
Preferably, positioning tooth is additionally provided with the housing, the positioning tooth is set in outside the adjusting rod, the regulation
Bar outer cover is provided with injection sound ratchet and injection bomb ricochet spring, and the injection sound ratchet passes through injection bomb ricochet spring and described
Positioning tooth is docked.
Preferably, push rod cup is provided between the push rod nut and the clamping type bottle cork.
Preferably, axially distributed groove is provided with outside the adjusting rod, the ratchet cylinder is internal to be provided with and the ditch
The sliding block that groove coordinates.
Preferably, the form is provided with window cover.
Compared with prior art, above-mentioned technical proposal has advantages below：
A kind of fine setting injection pen provided by the present invention, including：Differential screw transmission mechanism, it includes being used to promote cassette
The push rod of bottle stopper, the position rotating ratchet axially docked with the push rod nut and push rod nut of push rod threaded connection, one end are with determining
Position rotary ratchet can clutch connection adjusting rod and the ratchet cylinder of control adjusting rod rotation, ratchet jacket casing is located at outside adjusting rod
Portion；Dial dose mechanism, it includes knob, digital cylinder, adjustment barrel and ratchet clamping ring and regulation connecting cylinder, ratchet clamping ring
It is set in outside adjusting rod, regulation connecting cylinder is set in adjusting rod and ratchet clamping ring and ratchet cylinder is outside, ratchet clamping ring
The incline direction of the ratchet at two ends is identical, and the two ends of ratchet clamping ring are connected with adjusting rod and ratchet cylinder respectively by ratchet, are adjusted
Section connecting cylinder is threadedly attached in outside adjustment barrel, and digital jacket casing is connected on outside regulation connecting cylinder, the top clamping of digital cylinder
Inside knob, digital drum outer wall is provided with the graduation mark being distributed in the shape of a spiral；Housing, differential screw transmission is arranged in housing,
Housing is provided with the pen core frame for being provided with the form for being used for showing the scale on digital cylinder, housing and being used for placing clamped bottle；Injection
Mechanism, its button connector for including the end thereof contacts of one end and ratchet cylinder, the button for promoting the axial movement of button connector, two
What end pushed against button connector and button respectively presses key spring.
When clamped bottle is fitted into pen core frame, push rod nut stress upward sliding, while position rotating ratchet is also moved therewith
Dynamic, after clamped bottle assembling in place, the ratchet of position rotating ratchet and regulation boom end mutually coincide.Metering tune is carried out before injection
During section, by turn knob, to drive digital cylinder, adjustment barrel, ratchet clamping ring, ratchet cylinder and button connector and button same
When move up, wherein adjustment barrel does lead rotary motion, and adjustment barrel is ratchet assembling with ratchet clamping ring, simultaneously because
By the reaction force of key spring, therefore during regulation, the contact position of ratchet clamping ring and ratchet cylinder is in the presence of ratchet
" click " sound occurs, adjusted dosage can be observed by form in regulation, if regulating dosage is excessive, can be revolved by turning round
Button carries out the readjustment of dosage, because the two ends of ratchet clamping ring are equipped with ratchet, therefore in readjustment, ratchet clamping ring and tune
" click " sound can also occurs in the contact position of section cylinder in the presence of ratchet, by sound, can be to user with sound prompting, this
The visual cues of outer combination form, are conducive to the regulation of dosage.
After regulation to required dosage, you can injected, pressing keys, button connector is done along its axis direction
Linear motion, the fortune while drive ratchet cylinder, ratchet clamping ring, adjustment barrel and digital cylinder, adjusting rod, position rotating ratchet are spinned
It is dynamic, push rod rotation is then driven, in the presence of push rod nut, push rod axially moves, and then promote clamping type bottle cork, you can real
Now inject purpose.The fine setting injection pen may be reused, it is to avoid the disposable injection pen consumptive material of tradition reduces medical waste.In addition
Relative to traditional direct-push injection pen, by the way that screw is converted into linear motion, injection precision can be effectively improved.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of technical scheme of the invention or of the prior art
The accompanying drawing used required in description is briefly described, it should be apparent that, drawings in the following description are some of the present invention
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
A kind of cross section structure diagram for fine setting injection pen that Fig. 1 is provided by a kind of embodiment of the invention；
A kind of configuration schematic diagram for fine setting injection pen that Fig. 2 is provided by a kind of embodiment of the invention；
A kind of broken section structural representation for fine setting injection pen that Fig. 3 is provided by a kind of embodiment of the invention
Figure.
Reference is as follows：
1 is button, and 2 be knob, and 3 be housing, and 4 be form, and 5 be window cover, and 6 be regulation connecting cylinder, and 7 be adjustment barrel, and 8 are
Ratchet cylinder, 9 be ratchet clamping ring, and 10 be injection sound ratchet, and 11 be back-moving spring, and 12 be pen core frame connecting cylinder, and 13 be the cap for brush,
14 be that, by key spring, 15 be digital cylinder, and 16 be button connector, and 17 be adjusting rod, and 18 be push rod, and 19 be injection bomb ricochet spring,
20 be positioning tooth, and 21 be position rotating ratchet, and 22 be push rod nut, and 23 be push rod cup, and 24 be pen core frame.
Embodiment
Just as described in the background section, current injection pen is not easy to the regulation of dosage in injection.
On the basis of the studies above, injection pen is finely tuned the embodiments of the invention provide one kind, is measured before injection
During regulation, by turn knob, to drive digital cylinder, adjustment barrel, ratchet clamping ring, ratchet cylinder and button connector and button
Move up simultaneously, wherein adjustment barrel does lead rotary motion, adjustment barrel is ratchet assembling with ratchet clamping ring, while by
In the reaction force by key spring, therefore during regulation, ratchet clamping ring and ratchet cylinder contact position ratchet effect
Under " click " sound occurs, adjusted dosage can be observed by form in regulation, if regulating dosage is excessive, revolution can be passed through
Knob carries out the readjustment of dosage, because the two ends of ratchet clamping ring are equipped with ratchet, therefore in readjustment, ratchet clamping ring and
" click " sound can also occurs in the contact position of adjustment barrel in the presence of ratchet, by sound, can give user with sound prompting,
In addition the visual cues of form are combined, are conducive to the regulation of dosage.In addition the fine setting injection pen may be reused, it is to avoid tradition
Disposable injection pen consumptive material reduces medical waste.Relative to traditional direct-push injection pen, by the way that screw is converted into directly
Line is moved, and can effectively improve injection precision.
In order that the above objects, features and advantages of the present invention can become apparent it is understandable, below in conjunction with the accompanying drawings to this hair
Bright embodiment is described in detail.
Detail is elaborated in the following description to fully understand the present invention.But the present invention can with it is a variety of not
It is same as other manner described here to implement, those skilled in the art can do class in the case of without prejudice to intension of the present invention
Like popularization.Therefore the present invention is not limited by following public embodiment.
It refer to Fig. 1-Fig. 3, a kind of section view for fine setting injection pen that Fig. 1 is provided by a kind of embodiment of the invention
Structural representation；A kind of configuration schematic diagram for fine setting injection pen that Fig. 2 is provided by a kind of embodiment of the invention；
A kind of broken section structural representation for fine setting injection pen that Fig. 3 is provided by a kind of embodiment of the invention.
A kind of embodiment of the present invention provides a kind of fine setting injection pen, including：Differential screw transmission mechanism, its
It is axially right including the push rod nut 22 for promoting the push rod 18 of clamping type bottle cork, being threadedly coupled with push rod 18 and push rod nut 22
Position rotating ratchet 21, one end and the position rotating ratchet 21 connect can clutch connection adjusting rod 17 and control adjusting rod 17
The ratchet cylinder 8 of rotation, ratchet cylinder 8 is set in outside adjusting rod 17；Dial dose mechanism, it includes knob 2, digital cylinder 15, adjusted
Cylinder 7 and ratchet clamping ring 9 and regulation connecting cylinder 6 are saved, ratchet clamping ring 9 is set in outside adjusting rod 17, adjusts 6 sets of connecting cylinder
It is located at outside adjusting rod 17 and ratchet clamping ring 9 and ratchet cylinder 8, the incline direction of the ratchet at the two ends of ratchet clamping ring 9 is identical,
The two ends of ratchet clamping ring 9 are connected with adjusting rod 17 and ratchet cylinder 8 respectively by ratchet, and regulation connecting cylinder 6 is connected through a screw thread
Outside adjustment barrel 7, digital cylinder 15 is socketed in outside regulation connecting cylinder 6, and the threads of digital cylinder 15 are connected in knob 2
Portion, the tail end of digital cylinder 15 is socketed in outside adjustment barrel 7, and the digital outer wall of cylinder 15 is provided with the graduation mark being distributed in the shape of a spiral；Housing
3, differential screw transmission is arranged in housing 3, and housing 3 is provided with the form 4 for being used for showing the scale on digital cylinder 15, housing 3
It is interior to be provided with the pen core frame 24 for being used for placing clamped bottle；Injection mechanism, its button for including the end thereof contacts of one end and ratchet cylinder 8 connects
Fitting 16, the button 1 for promoting the axial movement of button connector 16, two ends push against the button of button connector 16 and button 1 respectively
Spring 14.
During the fine setting injection pen provided using the present embodiment, when clamped bottle is fitted into pen core frame 24, push rod nut 22 by
Power upward sliding, while position rotating ratchet 21 is also moved, after clamped bottle assembling in place, position rotating ratchet 21 is with adjusting
The ratchet of the end of pole 17 mutually coincide.Wherein pen core frame 24 can be connected on housing 3 by the connecting cylinder 12 of pen core frame 24, pen core
Frame 24 is outer to be also arranged with the cap for brush 13.
When metering regulation is carried out before injection, by turn knob 2, to drive digital cylinder 15, adjustment barrel 7, ratchet clamping ring
9th, ratchet cylinder 8 and button connector 16 and button 1 are moved up simultaneously, and wherein adjustment barrel 7 does lead rotary motion, adjusts
Section cylinder 7 is ratchet assembling with ratchet clamping ring 9, simultaneously because by the reaction force of key spring 14, therefore during regulation, spine
" click " sound occurs in the contact position of tooth clamping ring 9 and ratchet cylinder 8 in the presence of ratchet, can be seen in regulation by form 4
Adjusted dosage is examined, if regulating dosage is excessive, the readjustment of dosage can be carried out by turning round knob 2, due to ratchet clamping ring 9
Two ends be equipped with ratchet, therefore in readjustment, the contact position of ratchet clamping ring 9 and adjustment barrel 7 can in the presence of ratchet
" click " sound occurs, by sound, in addition with reference to the visual cues of form 4, agent can be conducive to user with sound prompting
The regulation of amount.
In regulation to after required dosage, you can injected, pressing keys 1, button connector 16 is along its axis side
To moving along a straight line, while driving ratchet cylinder 8, ratchet clamping ring 9, adjustment barrel 7 and digital cylinder 15, adjusting rod 17, position rotating
Ratchet 21 is spinned motion, then drives push rod 18 to rotate, in the presence of push rod nut 22, push rod 18 axially moves, and enters
And promote clamping type bottle cork, you can realize injection purpose.
In addition the fine setting injection pen that above-described embodiment is provided, may be reused, it is to avoid the disposable injection pen consumptive material of tradition
Reduce medical waste.It will also be appreciated that relative to traditional direct-push injection pen, by the way that screw is converted into straight line
Motion, can effectively improve injection precision.
Further, being provided with housing 3 is used to promote push rod nut 22 to move down and then drive position rotating ratchet 21
The back-moving spring 11 being separated from each other with adjusting rod 17, the bottom end of back-moving spring 11 is pushed against the upper end of push rod nut 22.
When installing clamped bottle, back-moving spring 11 is shunk under the extruding of push rod nut 22；Take out clamped bottle it
Afterwards, push rod nut 22 can promote push rod nut 22 to move down in the presence of back-moving spring 11, due to push rod nut 22 and calmly
Position rotary ratchet 21 is connected with each other, therefore may be such that position rotating ratchet 21 and adjusting rod 17 are separated from each other.
Further, positioning tooth 20 is additionally provided with housing 3, positioning tooth 20 is set in outside adjusting rod 17, adjusting rod 17
Outer cover is provided with injection sound ratchet 10 and injection bomb ricochet spring 19, and injection sound ratchet 10 is by injection bomb ricochet spring 19 and determines
Position tooth 20 is docked.
During clamped bottle is assembled, adjusting rod 17 and injection sound ratchet 10 move along a straight line, in injection bomb ricochet
Under the extruding of spring 19, injection sound ratchet 10 and positioning tooth 20 are docked.
In injection process, because positioning tooth 20 is fixed, by injecting the rotation of sound ratchet 10, it can produce " click "
Sound, in order to which the injection to user acoustically is reminded.
In order to optimize the using effect for the push rod 18 that above-described embodiment is provided, it is provided between push rod nut 22 and clamping type bottle cork
Push rod cup 23.One chamber can be wherein set on push rod cup 23, and the end of push rod 18 is provided with fixture block, and fixture block card is in the chamber so that
When push rod 18 is rotated, push rod cup 23 will not be driven to rotate, be only that push rod cup 23 produces axial movement.
Further, axially distributed groove is provided with outside adjusting rod 17, the inside of ratchet cylinder 8 is provided with what is coordinated with groove
Sliding block.It is easy to the movement of ratchet cylinder 8 by groove, also allows for ratchet cylinder 8 and drive adjusting rod 17 to rotate.Wherein can be in adjusting rod 17
Two symmetrically arranged grooves of upper setting, inject the sliding block that the inner ring of sound ratchet 10 also is provided with being mutually adapted with groove in addition, with
It is easy to adjusting rod 17 and injection sound ratchet 10 to synchronize rotation.
Further, form 4 is provided with window cover 5.By window cover 5 can logarithmic code cylinder 15 on scale protected
Shield, to improve its service life, wherein it is preferred that window cover 5 is transparent window cover 5.
It should also be noted that, herein, term " comprising ", "comprising" or its any other variant are intended to non-
It is exclusive to include, so that process, method, article or equipment including a series of key elements not only include those key elements,
But also other key elements including being not expressly set out, or also include solid by this process, method, article or equipment
Some key elements.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including
Also there is other identical element in process, method, article or the equipment of the key element.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (6)
1. one kind fine setting injection pen, it is characterised in that including：
Differential screw transmission mechanism, it includes being used for the push rod for promoting clamping type bottle cork, the push rod spiral shell being threadedly coupled with the push rod
Female and described push rod nut axially the position rotating ratchet of docking, one end and the position rotating ratchet can clutch connection tune
Pole and the ratchet cylinder of the control adjusting rod rotation, the ratchet jacket casing are located at outside the adjusting rod；
Dial dose mechanism, it includes knob, digital cylinder, adjustment barrel and ratchet clamping ring and regulation connecting cylinder, the ratchet
Clamping ring is set in outside the adjusting rod, it is described regulation connecting cylinder be set in the adjusting rod and the ratchet clamping ring and
The ratchet cylinder is outside, and the incline direction of the ratchet at the ratchet clamping ring two ends is identical, and the two ends of the ratchet clamping ring lead to
Cross ratchet to be connected with the adjusting rod and ratchet cylinder respectively, the regulation connecting cylinder is threadedly attached in the adjustment barrel
Outside, the digital jacket casing is connected on outside the regulation connecting cylinder, and the top of the digital cylinder is connected to inside the knob, institute
State digital drum outer wall and be provided with the graduation mark being distributed in the shape of a spiral；
Housing, the differential screw transmission is arranged in the housing, and the housing, which is provided with, to be used to show the digital cylinder
Scale form, the pen core frame for being used for installing the clamped bottle is provided with the housing；
Injection mechanism, it includes the button connector of the end thereof contacts of one end and ratchet cylinder, promotes the button connector
The button of axial movement, two ends push against respectively the button connector and the button by key spring, pressing the button
Afterwards, the button connector and the ratchet clamping ring are axially moved, and the digital cylinder is spinned axial movement.
2. fine setting injection pen according to claim 1, it is characterised in that being provided with the housing is used to promote the push rod
Nut moves down and then driven the back-moving spring that the position rotating ratchet and the adjusting rod are separated from each other, the reset
The bottom end of spring is pushed against the upper end of the push rod nut.
3. fine setting injection pen according to claim 2, it is characterised in that positioning tooth is additionally provided with the housing, described fixed
Position tooth is set in outside the adjusting rod, and the adjusting rod outer cover is described provided with injection sound ratchet and injection bomb ricochet spring
Sound ratchet is injected to dock by injection bomb ricochet spring and the positioning tooth.
4. fine setting injection pen according to claim 3, it is characterised in that between the push rod nut and the clamping type bottle cork
Provided with push rod cup.
5. fine setting injection pen according to claim 4, it is characterised in that provided with axially distributed outside the adjusting rod
Groove, the ratchet cylinder is internal to be provided with the sliding block coordinated with the groove.
6. fine setting injection pen according to claim 5, it is characterised in that the form is provided with window cover.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671909.3A CN107308523A (en) | 2017-08-08 | 2017-08-08 | Finely tune injection pen |
| PCT/CN2018/071357 WO2019029123A1 (en) | 2017-08-08 | 2018-01-04 | Injection pen capable of fine adjustment |
| RU2019132214A RU2721930C1 (en) | 2017-08-08 | 2018-01-04 | Fine-tunable autoinjector |
| EP18844414.5A EP3603702A4 (en) | 2017-08-08 | 2018-01-04 | Injection pen capable of fine adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671909.3A CN107308523A (en) | 2017-08-08 | 2017-08-08 | Finely tune injection pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107308523A true CN107308523A (en) | 2017-11-03 |
Family
ID=60175558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710671909.3A Pending CN107308523A (en) | 2017-08-08 | 2017-08-08 | Finely tune injection pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107308523A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019029123A1 (en) * | 2017-08-08 | 2019-02-14 | 甘肃成纪生物药业有限公司 | Injection pen capable of fine adjustment |
| CN110755715A (en) * | 2019-10-28 | 2020-02-07 | 深圳市绿星科技有限公司 | Pre-filled injection pen |
| WO2021088115A1 (en) * | 2019-11-08 | 2021-05-14 | 江苏万海医疗器械有限公司 | Disposable injection pen |
| WO2021174669A1 (en) * | 2020-03-05 | 2021-09-10 | 苏州恒瑞宏远医疗科技有限公司 | Automatic injection device and method for using same |
| CN116271336A (en) * | 2023-05-19 | 2023-06-23 | 苏州嘉树医疗科技有限公司 | Disposable adjustable injection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040210199A1 (en) * | 2001-05-16 | 2004-10-21 | Atterbury William Goodwin | Medication injector apparatus with drive assembly that facilitates reset |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019029123A1 (en) * | 2017-08-08 | 2019-02-14 | 甘肃成纪生物药业有限公司 | Injection pen capable of fine adjustment |
| CN110755715A (en) * | 2019-10-28 | 2020-02-07 | 深圳市绿星科技有限公司 | Pre-filled injection pen |
| WO2021088115A1 (en) * | 2019-11-08 | 2021-05-14 | 江苏万海医疗器械有限公司 | Disposable injection pen |
| WO2021174669A1 (en) * | 2020-03-05 | 2021-09-10 | 苏州恒瑞宏远医疗科技有限公司 | Automatic injection device and method for using same |
| CN115379869A (en) * | 2020-03-05 | 2022-11-22 | 苏州恒瑞宏远医疗科技有限公司 | Automatic injection device and method of use |
| CN116271336A (en) * | 2023-05-19 | 2023-06-23 | 苏州嘉树医疗科技有限公司 | Disposable adjustable injection device |
| CN116271336B (en) * | 2023-05-19 | 2023-11-10 | 苏州嘉树医疗科技有限公司 | Disposable adjustable injection device |
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Application publication date: 20171103 |