CN101370542B - Pusher with a coupling element - Google Patents
Pusher with a coupling element Download PDFInfo
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- CN101370542B CN101370542B CN2007800024555A CN200780002455A CN101370542B CN 101370542 B CN101370542 B CN 101370542B CN 2007800024555 A CN2007800024555 A CN 2007800024555A CN 200780002455 A CN200780002455 A CN 200780002455A CN 101370542 B CN101370542 B CN 101370542B
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- injection device
- quantitative
- coupling element
- described injection
- dosing button
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Abstract
The invention relates to an injection device comprising a pusher (4) that can be displaced relative to the direction of injection or relative to a support (5) of the injection device in only the distal direction, said pusher having at least one holding or detent area, especially a toothed area (4a) for detachably holding the pusher on or in the injection device or support (5). The invention is characterized by a coupling element (4b) for positioning the pusher (4) relative to a dosing element (6), especially for fixing the axial position of the pusher (4) relative to the dosing element (6).
Description
Technical field
The present invention relates to a kind of device that is used to export a kind of material, especially a kind of injection device or a kind of injection pen that has quantitative element in order quantitatively to provide injectable product.Said injection device is preferred for the self-service administration of product, and especially as disposable syringe, this disposable syringe is such as using with single chamber ampoule or two chambers ampoule.
Background technology
But injection pen is widely used for the self-service administration of medicine owing to the shape of its simple operations.Especially self-service when providing medicine such as insulin or hormone, simple operability, quantitative accuracy and the reliability when regulating dosage are significant.
A kind of injection device is disclosed from applicant's DE 10 2,004 004 310; This injection device has a quantitative element; This quantitative element with respect to the shell of said injection device carry out a kind of feed motion and a kind of along direction of feed be in reverse to the quantitative exercise of direction of feed and so and conveyer device be coupled; Make said feed motion cause the conveying campaign of said conveyer device, wherein quantitative element in feed motion the length of distance of dosage process, that confirm to remain to be drawn off regulate through said quantitative exercise.First stop device is made up of the shell that is in the sleeve segment that said quantitative element is surrounded; And second stop device is made up of said quantitative element or independent additional quantitative stop body, and the stop engagement of wherein said stop device can be unclamped through the quantitative exercise of motion without spin of said quantitative element or said independent additional quantitative stop body.
From US 5; 807; Disclose a kind of gauge that is used for the various dose of output liquid in 346, this gauge has the reservoir that is used to admit liquid, at inner and axial arranged mobilizable rack elements and the propulsion element that can be handled by user.On said rack elements, be provided with annular otch, wherein said shell has different axial slits, and said slit distributes in the periphery of this shell.On said propulsion element, be provided with outwardly directed pin, this pin can be engaged in the slit in the axial slit of said shell, and wherein said regulating element can easily be pulled out by user.
A kind of ejector with cylinder is disclosed from EP 0 713 403 B1; Said cylinder confirms perhaps to have a cylinder; Wherein said cylinder has nozzle and surrounds piston on the end; This piston can slide in said cylinder interior along the longitudinal direction; The spacing that wherein said piston can move in said cylinder interior has been confirmed the volume that provides through said ejector, and wherein said piston promotes ground and is coupled with slide block, so arranges said slide block; Make it be parallel to the motion of said piston, wherein said piston longitudinal pitch that said cylinder interior can be slided through be located at stop surface on said cylinder or the slide block about be located at said slide block in other words the motion limiting structure of the end stop on the cylinder confirm.Said ejector can be lockable in a kind of state; In stop surface described in this state and end stop about only moving each other in the inside of motion limiting structure; Said motion limiting structure is selected from two or more selectable predetermined motion limiting structures; Realize in the following manner or rather; Be that said stop surface has an inserts, this inserts can insert in the opening that is located on said cylinder or the slide block, makes this inserts therefrom stretch and have only very arduously or just can it be removed from above with specific purpose tool; The part of stretching out of wherein said inserts constitutes a stop surface, and wherein each described opening has been confirmed a motion spacing in the motion spacing of preliminary election about the position of said end stop.
Summary of the invention
Task of the present invention is, proposes a kind of injection device, and this injection device has improved simple controllability in the probability that reduces the maloperation process.
This task solves according to injection device of the present invention through a kind of.Said injection device comprises feed bar, quantitative element and support,
Feed bar only can move on the injection direction of injection device with respect to this injection device or with respect to support,
This feed bar has at least one and keeps or stopper region, and be used for and can loosely said feed bar be remained on said injection device or above the said support or the inside, and have first coupling element,
Said quantitative element comprise can with second coupling element of said first coupling element engagement,
Said quantitative element can move between the primary importance and the second position with respect to said feed bar; In primary importance, first and second coupling elements do not mesh and said quantitative element can rotate to regulate dosage; In the second position, first and second coupling elements engagements makes that said quantitative element is prevented from respect to the motion at injection direction of feed bar and said quantitative element is prevented from rotating to regulate dosage.
The present invention gives favourable embodiment.
According to first aspect; The holding device that has the material that is used to remain to be exported by injection device of the present invention; In this holding device; The material that remains to be exported can directly add or can put into container such as putting into ampoule, thus with said holding device such as being configured to the ampoule support.This holding device can move with respect to said injection device; Wherein can push or screw in this injection device such as the element of said holding device of the formation of said injection device or ampoule support or parts of this injection device in; In the shell that pushes or screw in this injection device, thereby such as can be through pushing or the screw-in process makes and is included in the said pair of material in the ampoule of chamber and mixes and can get ready for exporting to patient thus when using known pair of chamber ampoule.In addition; Be provided with quantitatively regulating element in other words; Such as knob, be used for regulating the dosage exported from said injection device of remaining of said material, wherein said amount of substance that remains to be exported or dosage can be such as selecting through the position of rotation of said adjusting or quantitative element or confirming.Said quantitative element preferably pushes in initial condition by in the injection device of the present invention, makes it can't or can only the ten minutes difficult ground person of being used catch and preferably also can't pull out easily.By the present invention; The holding device that can insert or push material in the injection device, that be used to remain to be exported is coupled such as screwing in the ampoule support and the said regulating element that maybe can push; Thereby said material holding device is being pushed in the process in said injection device or the shell or with said material holding device fully or after almost completely pushing in said injection device or the shell; At least in part said regulating element is released from the shell of said injection device or this injection device, make its can the person's of being used manipulation such as being used to regulate dosage.Said quantitatively or regulating element can be such as being configured to known rotatable dosing button; This dosing button is on the end of near-end of said injection device and such as being connected with the dosing button sleeve regularly; Said dosing button sleeve can move axially and preferably can from this injection device, be shifted out in said injection device inside, is used to release said dosing button and thus such as discharge this dosing button for dosage adjustments.
Preferred said quantitative element and said injection device are coupled; Make and can't rotate in its state in pushing said injection device and just rotatable to regulate dosage after releasing such as only, wherein about the concrete embodiment that is used for dosage adjustments please with reference to explanation at the back.Can so construct said quantitative element; Make it after the dosage that adjusting remains to be exported, in such as given in advance release position that confirm, that from said injection device, release, can further from said injection device, pull out; Be used to load said injection device; Wherein this quantitative element can rotate regulating dosage in said release position, and wherein this quantitative element then such as further pull out in the process rotatable or also can rotate.Equally; Can arrange like this, it is only just not rotatable when it is pushed in the said injection device again for the output material just can to regulate dosage and said quantitative element after just only after loading or with quantitative element, from injection device, pulling out yet.
Said regulating element can be such as in the shell that remains on said injection device or this injection device through traction or localization machine structure in initial condition or in the state that pushes; Wherein traction or said localization machine structure can overcome such as said pushing of support of ampere through said material holding device, are used for said regulating element is released from said injection device.Admit such as said material element near-end the side or be arranged on this material and admit regulating element-the releases element on element to contact perhaps through one or more other are connected with said quantitative element such as pilot sleeve or are coupled with said regulating element or quantitative element such as obtaining fixed element with respect to said injection device through releasable localization machine structure or support, make the motion that pushes or screw in of said material holding device that said adjusting or quantitative element are released.Stopping element or another retaining element can be set equally; Said stopping element or retaining element remain on said quantitative element in the state that pushes in the said injection device and can directly admit element perhaps to unclamp with the element that this material admits element to be coupled from said material, so that can release said quantitative element.
Piston rod or tooth bar preferably are set in said injection device; Make be arranged in the said material holding device or be arranged on the thromboembolism of the near-end in the ampoule or squeeze body said material holding device or said ampoule in the said injection device push or the screw-in process in admit the zone to move with respect to said material; Just such as pushing in the said ampoule; Can finish mixed process such as the mixed process that in the ampoule of two chambers, begins to be included in the composition in the ampoule of this pair chamber and when said piston rod or tooth bar are pushed enough degree of depth thus, thereby such as making two chambers ampoule be mixed for preparing material output.
The preferred coupling that so is configured between said material admittance element and adjusting or the quantitative element; Make said quantitative element only just from said injection device, release after admitting element inserting or push said material fully or almost completely, be used for such as mixing ratio fully or almost completely as being included in pair material of chambers ampoule.Such as said quantitative element and said material admit element only in pushing the final stage of stroke such as in the end 6 millimeters locate just coupled to each other; And said quantitative element only after coupling such as admit the end of the near-end of element just from said injection device, to release the remaining stroke that pushes such as 6 millimeters after leaning on said quantitative element at said material, make said quantitative element the person of being used to catch and perhaps can further pull out to pour into injection pen such as rotating to regulate dosage.
Advantageously, just such as on said dosing button or the telescopic circumference of dosing button, labelling being set, this labelling can be used as that the supplementary means that is used to regulate dosage draws and such as indicating dosage unit at said quantitative element.This dosage reading can so be drawn in or be arranged on the said quantitative element; Make it only just visible after releasing said quantitative element; Method is such as releasing said quantitative element; Make user to see and draw said dosage reading that the reading that perhaps is drawn on the quantitative element moves into such as being seen by the people in the zone of the form in the shell that is arranged on said injection device and thus.
Be used for preparing injection device so that quantitatively export the method for material by of the present invention a kind of; Push in the said injection device and such as can't or be difficult to quantitative element that the person of being used catches only material admit element such as the ampoule support ampoule pushes in the process in the said injection device or push-on process after just from this injection device, release, make said adjusting or quantitative element such as only after that, just the person of being used catching and handle.
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According to another aspect; The present invention relates to a kind of injection device with shell and material output element; Said material output element can move with respect to said shell, and the motion that is used for through said output element is squeezed out to export from said injection device such as said output element being pushed the material that said injection device will be included in the said injection device.By the present invention, in said injection device, be provided with at least one retaining element, this retaining element prevents to continue output dose by means of said output element after from said injection device, exporting material once by means of said output element.Said output element can be coupled with quantitative or regulating element or even with quantitative or regulating element is identical; Thereby, pour into and in fact exporting material through pushing of said output element through pulling out of said output element to said injection device such as rotation adjusting dosage that can be through on said output element.Especially said output element also can be the rotation or the dosing button of said injection device.Same said output element also can be the outer casing member of said injection device, and this outer casing member can move with respect to another element or the outer casing member of said injection device.
Preferably on said output element, be provided with fixing or stopping element; That is to say such as stopping projection and/or groove, said stopping projection and/or groove when the dosage that one is once regulated export from said injection device can with the just corresponding groove of the corresponding complementary elements of said injection device or ampoule or stopping projection among output procedure or set up afterwards a kind of preferably can't unclamp or be difficult to unclamp be connected especially a kind of stop connection.Said fixing or stopping element can such as with the piston rod or the tooth bar combined effect of said injection device; And such as said complementary elements can be configured to stretch in the said output element and such as the stopping element that is arranged on the flexible support arm; Such as being configured to stopping projection, utilizing said stopping element after the output material, between said output element and tooth bar or piston rod, to set up form fit and connect.Said output element then no longer can move with respect to said tooth bar or piston rod.Same said output element can be used for preventing thus another time output procedure with respect to the shell of said injection device or this injection device such as being fixed among output procedure or afterwards through the localization machine structure.Can only stop of the motion of the said output element of locking in other words equally,, be used for preventing to continue to export material from said injection device because of the direction of motion that is prevented from just such as axially-movable and/or rotatablely move towards a definite direction.
Exporting the method that material perhaps is used for the said injection device of locking by of the present invention being used for from said injection device; Fixing or locking triggers or causes the output element of material output before the dosage output of the adjusting of the material that will remain to be exported, in the output procedure or after the output; Make said output element no longer can move, can impel further through this direction and from said injection device, export material towards a direction.
Thus; Using by injection device of the present invention with by under the situation of method of the present invention; Can make the material that remains to be exported once regulate by user or preregulated amount or dosage preferably only output is once from said injection device; Wherein can export by the further material of locking, even when the surplus of the material that remains to be exported is also stayed in the said injection device.This point is especially necessary during compounding substances in the ampoule of two chambers; Said material decomposes such as meeting or quality descends, thereby exports material to patient again with interval bigger after said material mixes and be unworthy recommendation and even may health risk.
Description of drawings
The present invention will be described by means of preferred embodiment below.Wherein:
Figure 1A is respectively the vertical view and the cross-sectional view of the flow process of dosage adjustments and material output in by a kind of embodiment of injection device of the present invention to 1E;
Fig. 2 A and 2B be respectively injection device before releasing dosing button with afterwards viewgraph of cross-section;
Fig. 3 A and 3B are quantitatively and draw off the cross-sectional view of first embodiment of mechanism;
Fig. 4 A and 4B are quantitatively and draw off the cross-sectional view of second embodiment of mechanism;
Fig. 5 A is the viewgraph of cross-section by dosing button of the present invention;
Fig. 5 B is the expanded view in the inboard of the dosing button shown in Fig. 5 A;
Fig. 6 A to 6C be by of the present invention draw off mechanism with by the coefficient sketch map of a kind of tooth bar of embodiment; And
Fig. 6 D is said tooth bar and the exploded view that draws off mechanism.
The specific embodiment
Figure 1A shows by the vertical view of a kind of embodiment of injection device of the present invention and cross section; This injection device has ampoule support 1 as the material holding device; In this ampoule support 1, can put into two chambers ampoule 2, in this pair chamber ampoule 2, arrange two thromboembolism 2a and 2b movably.Said ampoule support 1 can move with respect to the shell of the injection device that in shown embodiment, is made up of screw shell 3, and can screw among the female thread 3a of said screw shell 3 by means of the engagement of the external screw thread 1a on the end of the near-end that is arranged on ampoule support 1.Pilot sleeve 5 through the annular tab 3c on the inboard that is arranged on said screw shell 3 be engaged on the lateral surface of pilot sleeve 5 around groove 5d in (referring to Fig. 2 A) be connected with said screw shell 3; And on the end of its far-end, has radially pre-tensioned inwards stopping element 5a; Said stopping element 5a is engaged on such as among the corresponding groove of the tooth bar that can not reverse through axially extended groove 4 or the 4a of tooth portion, and prevents that this tooth bar from moving towards the direction of near-end.But said tooth bar 4 can move with respect to said pilot sleeve 5 towards the direction of far-end, and the stopping element 5a that wherein is arranged on the resilient support arm skids off from the groove of said tooth bar or the 4a of tooth portion and is engaged among ensuing groove or the 4a of tooth portion.In shown embodiment, on the end of near-end, be provided with the dosing button that is configured to export with quantitative element 6, this dosing button pushes in said shell or the screw shell 3, makes it in fact can not the person of being used catch.Said injection device in the initial position that is also referred to as supply position shown in Figure 1A, only said ampoule support 1 can move, and that is to say can screw in the said screw shell 3, is used for making the material that is in said pair of chamber ampoule 2 to mix.But also can't carry out adjustment process by means of said dosing button 6.
Figure 1B shows the said hybrid position after screwing in said ampoule support 1 in the said screw shell 3 at the injection device shown in Figure 1A.Moving through the said ampoule 2 that keeps by ampoule support 1 towards the direction of near-end; The tube head 4c that is placed on the front of said tooth bar 4 moves in the said ampoule 2; Thus the thromboembolism 2b that abuts against is pushed in the said ampoule 2, be used for making in known manner said ampoule 2 to mix.Simultaneously also can pour into (geprimt).
Shown in Fig. 1 C; Said ampoule support 1 can screw in the screw shell 3 of said injection device; Stop surface 1b up to the near-end of said ampoule support 1 waits on the front of the footpath of said pilot sleeve 5 far-end to the outside; Said pilot sleeve 5 moves with respect to said screw shell 3 towards the direction of near-end with said ampoule support 1 when further screwing in said ampoule support 1 thus; Unclamp stop this moment and connect 3c, 5d, move towards the pairing stop element 3b on the inboard of said screw shell 3, limit the screw-in motion of said ampoule support 1 thus up to the stop element 5b on the lateral surface that is arranged on said pilot sleeve 5.Said pilot sleeve 5 moves towards the direction of near-end; The dosing button 6 that will be bearing in thus in the pilot sleeve 5 is released from said injection device towards the direction of near-end; Thereby can use this dosing button 6, be used for regulating remaining the dosage exported from said injection device.In this process, said annular tab 3c and the said pilot sleeve 5 that pushed away from the side through the ampoule support 1 that is resisted against on the pilot sleeve 5 around groove 5e (perfusion position) and 5f (terminal position) engagement.
Fig. 1 D shows the injection device that has loaded; Wherein said dosing button 6 is pulled out from said injection device; The stopping element 4b that the direction towards near-end on being arranged on said tooth bar 4 is stretched out is engaged among the stop opening 6a on the inboard that is arranged on said dosing button 6; Thereby can will be thus be positioned at together tooth bar 4 like direction passing through acting on pressure on the said dosing button 6 at the same far-end towards said injection device shown in Fig. 1 E with this dosing button; Thromboembolism 2a and the 2b that is used for will being in thus said ampoule 2 promotes towards the direction of far-end, and blended medicine is exported from ampoule 2 already.If once again said dosing button 6 is pushed said injection pen in other words in the screw shell 3, this dosing button 6 no longer can move as following the explanation and especially no longer can pull out so.Can guarantee thus, only can be used for once unique process that draws off by injection device of the present invention.
Fig. 2 A shows like the perspective cross-section view at the dosing button that pushes 6 shown in the home position, this dosing button 6 can by means of said pilot sleeve 5 through said ampoule support 1 screw-in or push and from said injection device, release and can use for user thus; Referring to Fig. 2 B.
Fig. 3 A shows the perspective cross-section view by first embodiment of adjusting of the present invention and ejecting mechanism; Wherein can freely rotate to select dosage at dosing button 6 described in the shown initial position; And the outside diametrically pre-tensioned pallet of screw rod 4 or stopping element 4b on the inboard of said near-end at dosing button 6 around groove 6p in can rotate freely, be used for also keeping thus said dosing button 6.If dosage is such as regulating by means of the labelling on the circumference of the outside that is arranged on said dosing button 6; So said dosing button 6 can be as pulling out from said injection device shown in Fig. 3 B, in the outside diametrically pre-tensioned stopping element 4b of said screw rod 4 is engaged on such as the stop opening 6a of a plurality of inside that are arranged on said dosing button 6 or a stop opening among the 6b under the guiding through the groove 6i on the inboard that is located at said dosing button 6, (has guide groove 6i or 6j; Referring to Fig. 5 B), and the dosage of being regulated can draw off through pushing of said quantitative turn-knob 6, this dosing button 6 through form fit connect 6a, 4b drives the direction of said screw rod 4 towards far-end and move with respect to said pilot sleeve 5.If said stopping element 4b is in the groove 6i that shown in Fig. 3 B, is engaged on said dosing button 6; So said dosing button just no longer can freely rotate; But can in groove 6i, axially move, be engaged among the said stop opening 6a up to this dosing button.After in moving into said injection pen, said dosing button 6 is because this connections 4b, 6a and because said stop connection 4a, 5a and no longer can move.Stop between said screw shell 3 and pilot sleeve 5 connects 3c, 5f is more firm than the connection of the stop between said pilot sleeve 5 and tooth bar 4 4a, 5a, makes the pressure that acts on said dosing button 6 cause said tooth bar 4 to carry out axial feed motion with respect to said pilot sleeve 5.
Fig. 4 A combines Fig. 4 B to show by adjusting of the present invention and draws off second embodiment of mechanism; Wherein in the initial position shown in Fig. 4 A, the dosing button 6 that releasably is maintained through the engagement in groove 6p by stopping element 4b because one or more is located at guide rod 5c (referring to Fig. 4 B) on the inboard of said pilot sleeve 5 and is engaged among corresponding groove or the groove 6o on the lateral surface that is located at said dosing button 6 and can not rotates diametrically.
If as shown in Fig. 4 B; Said dosing button 6 is pulled out from said injection device; The spline state of so said dosing button 6 just is shifted out from said guide rod through groove 6o and unclamps, the dead slot 6c of said stopping element 4b through said dosing button 6 run on the inboard of dosing button 6 around regulating tank 6q in and said dosing button 6 can freely rotate to select dosage.Said dosage is confirmed to 6l (referring to Fig. 5 B) together with the affiliated guide groove 6i with different axial lengths through stop position, recess or opening 6a, 6b, 6m, 6n on the inboard that is arranged in said dosing button 6, that stagger each other along circumferential and axial.When pushing said dosing button 6, said stopping element 4b moves along the guide groove 6i, 6j, 6k or the 6l that confirm through the position of rotation of dosing button 6, is engaged on stop position 6a, 6b, 6m or the 6n that is attached troops to a unit up to it.If continue to push said dosing button 6, this dosing button 6 connects the tooth bar 4 that is coupled with regard to the stop that drives through stopping element 4b so.If push said dosing button 6 fully, so this dosing button 6 will owing to anti-torsion structure 5c, 6o and and the said tooth bar 4 that no longer can pull out towards the direction of near-end between coupling and no longer can move, thereby the said injection device of locking.
Fig. 5 A shows the perspective cut-away schematic view of a kind of embodiment of the dosing button 6 that can be used for described flexible program above two kinds; Wherein on the inboard, be provided with different stop opening 6a, the 6b that stagger each other along the circumferential and axial direction, thereby position of rotation that can be through said dosing button 6 is predesignated the stop scheme that correspondingly is on the different axial directions in the stop opening of the said stop opening 6a that is used for stopping element 4b, 6b.Said tooth bar 4 also only is drawn out as the degree of the position of rotation through knob 6 and opening 6a, 6b, 6m, 6n defined is the same when pulling out knob 6 fully thus in said first embodiment illustrated with reference to Fig. 3.Corresponding, in second embodiment illustrated, only push said tooth bar up to the location as the degree of the position of rotation through said knob 6 and opening 6a, 6b, 6m, 6n defined is the same with reference to Fig. 4 always.
Fig. 5 B shows the expanded view of the interior profile of said dosing button 6; The groove 6i of the different length of the position of rotation that wherein can depend on said dosing button 6 through being used to push stopping element 4b predesignates the different passing stroke of said tooth bar 4 to 6l, and can draw off different dosages thus.In Fig. 5 B, be defined in the minimum doses that remains to be drawn off in second kind of embodiment, and be defined in the dosage of the maximum that remains to be drawn off in second kind of embodiment with " the 4th dosage " with " first dosage ".
Fig. 6 A show regulate and quantitatively mechanism with by the coefficient sketch map between the tooth bar 4 of first embodiment shown in Fig. 3, wherein in the lifter motion of the said maximum that in the viewgraph of cross-section shown in Fig. 6 A, realizes or draw off the spacing of conduct between the stop opening 6a of the stopping element 4b of said tooth bar 4 and said dosing button 6 of moving and use D with shown mechanism
MaxRepresent.
If as shown in Fig. 6 B, pulling out said dosing button 6, so said stopping element 4b just is engaged among the said stop opening 6a and said dosing button 6 no longer can rotate after in being engaged on the position that pulls out and as shown in Fig. 6 C, pushing to draw off dosage.In the position that pushes; The retainer lug 5a of said pilot sleeve 5 prevents to pull out once again said tooth bar 4 and prevents to pull out once again the dosing button 6 that is coupled with this tooth bar 4 thus, thereby is fixed in the shown position of Fig. 6 C said dosing button 6 and said injection device no longer can be handled.
Replace as with reference to Fig. 3 to 6 illustrated localization machine structure or stop opening, can certainly be for regulating dosage or selecting dosage such as one or more backstops, pairing backstop, step, outstanding element, contact pin or projection are set on said dosing button 6.Same said groove 6i can be configured to spline or blind groove (Sackratte) to 6l under the situation of the opening that does not have to connect.
Claims (12)
1. injection device comprises feed bar, quantitative element and support,
Feed bar only can move on the injection direction of injection device with respect to this injection device or with respect to support,
This feed bar has at least one and keeps or stopper region, and be used for and can loosely said feed bar be remained on said injection device or above the said support or the inside, and have first coupling element,
Said quantitative element comprise can with second coupling element of said first coupling element engagement,
Said quantitative element can move between the primary importance and the second position with respect to said feed bar; In primary importance, first and second coupling elements do not mesh and said quantitative element can rotate to regulate dosage; In the second position, first and second coupling elements engagements makes that said quantitative element is prevented from respect to the motion at injection direction of feed bar and said quantitative element is prevented from rotating to regulate dosage.
2. by the described injection device of claim 1, wherein, said first coupling element (4b) is outwardly directed diametrically element.
3. by claim 1 or 2 described injection devices, wherein, said first coupling element (4b) is configured to asymmetrical.
4. by the described injection device of claim 1, wherein, said feed bar (4) can be squeezed in directly or indirectly and squeeze on the body.
5. by claim 1 or 2 described injection devices; Wherein, Said second coupling element is one or more different pairing backstop or recess (6a, 6b, 6m, 6n), and said pairing backstop or recess (6a, 6b, 6m, 6n) constitute the one or more pairing backstop or positions of engagement that are used for said first coupling element (4b).
6. by claim 1 or 2 described injection devices, wherein, said second coupling element is the ladder element, and this ladder element is provided with has recess or hole different axial lengths, that circumferentially stagger in the edge.
7. by claim 1 or 2 described injection devices, wherein, said second coupling element is a tooth portion, and said first coupling element is engaged in this tooth portion for regulating dosage.
8. by claim 1 or 2 described injection devices, wherein, said first coupling element is arranged towards the direction of near-end with respect to said retaining zone or stopper region with staggering.
9. by the described injection device of claim 1, said maintenance or stopper region are tooth portions.
10. press the described injection device of claim 4, the said thromboembolism that body is ampoule (2) (2b) that squeezes.
11. by the described injection device of claim 8, said retaining zone or stopper region are tooth portions.
12. by the described injection device of claim 2, wherein, said first coupling element (4b) is stopping element or stop element.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006002383.8 | 2006-01-17 | ||
| DE102006002383 | 2006-01-17 | ||
| DE102006004562.9 | 2006-02-01 | ||
| DE102006004562A DE102006004562A1 (en) | 2006-01-17 | 2006-02-01 | Feed rod with coupling element |
| PCT/CH2007/000019 WO2007082401A1 (en) | 2006-01-17 | 2007-01-15 | Pusher with a coupling element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101370542A CN101370542A (en) | 2009-02-18 |
| CN101370542B true CN101370542B (en) | 2012-08-08 |
Family
ID=40413930
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800024555A Expired - Fee Related CN101370542B (en) | 2006-01-17 | 2007-01-15 | Pusher with a coupling element |
| CN2007800024076A Active CN101370541B (en) | 2006-01-17 | 2007-01-15 | Injection device with secured dosing button |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800024076A Active CN101370541B (en) | 2006-01-17 | 2007-01-15 | Injection device with secured dosing button |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101370542B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6609248B2 (en) * | 2013-07-17 | 2019-11-20 | サノフイ | Drug delivery device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0373321A1 (en) * | 1988-10-19 | 1990-06-20 | Byk Gulden Lomberg Chemische Fabrik GmbH | Reusable injection device for the delivery of a preselected dose |
| US5807346A (en) * | 1993-02-08 | 1998-09-15 | Laboratoire Aguettant | Metering instrument, particularly for injecting medicinal liquid |
| US6193698B1 (en) * | 1997-07-18 | 2001-02-27 | Disetronic Licensing Ag | System for locking a dosing button in a device for the adminstration of a product to be injected |
| US6485470B2 (en) * | 1998-05-15 | 2002-11-26 | Disetronic Licensing Ag | Device for metered administration of an injectable product |
| US6793646B1 (en) * | 1999-04-16 | 2004-09-21 | Becton Dickinson And Company | Pen style injector with automated substance combining feature |
-
2007
- 2007-01-15 CN CN2007800024555A patent/CN101370542B/en not_active Expired - Fee Related
- 2007-01-15 CN CN2007800024076A patent/CN101370541B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0373321A1 (en) * | 1988-10-19 | 1990-06-20 | Byk Gulden Lomberg Chemische Fabrik GmbH | Reusable injection device for the delivery of a preselected dose |
| US5807346A (en) * | 1993-02-08 | 1998-09-15 | Laboratoire Aguettant | Metering instrument, particularly for injecting medicinal liquid |
| US6193698B1 (en) * | 1997-07-18 | 2001-02-27 | Disetronic Licensing Ag | System for locking a dosing button in a device for the adminstration of a product to be injected |
| US6485470B2 (en) * | 1998-05-15 | 2002-11-26 | Disetronic Licensing Ag | Device for metered administration of an injectable product |
| US6793646B1 (en) * | 1999-04-16 | 2004-09-21 | Becton Dickinson And Company | Pen style injector with automated substance combining feature |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101370542A (en) | 2009-02-18 |
| CN101370541B (en) | 2012-10-03 |
| CN101370541A (en) | 2009-02-18 |
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