WO2007030957A1 - Injektionsvorrichtung mit zweiwege-rutschkupplung - Google Patents
Injektionsvorrichtung mit zweiwege-rutschkupplung Download PDFInfo
- Publication number
- WO2007030957A1 WO2007030957A1 PCT/CH2006/000453 CH2006000453W WO2007030957A1 WO 2007030957 A1 WO2007030957 A1 WO 2007030957A1 CH 2006000453 W CH2006000453 W CH 2006000453W WO 2007030957 A1 WO2007030957 A1 WO 2007030957A1
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- WO
- WIPO (PCT)
- Prior art keywords
- spring
- injection device
- latching
- coupling
- counter
- Prior art date
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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
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31545—Setting modes for dosing
- A61M5/31548—Mechanically operated dose setting member
- A61M5/3155—Mechanically operated dose setting member by rotational movement of dose setting member, e.g. during setting or filling of a syringe
- A61M5/31553—Mechanically operated dose setting member by rotational movement of dose setting member, e.g. during setting or filling of a syringe without axial movement of dose setting member
-
- 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
- A61M2005/202—Having specific accessories cocking means, e.g. to bias the main drive spring of an injector
-
- 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
- A61M2005/2407—Ampoule inserted into the ampoule holder from the rear
-
- 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
- A61M2005/2485—Ampoule holder connected to rest of syringe
- A61M2005/2488—Ampoule holder connected to rest of syringe via rotation, e.g. threads or bayonet
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/581—Means for facilitating use, e.g. by people with impaired vision by audible feedback
-
- 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
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31535—Means improving security or handling thereof, e.g. blocking means, means preventing insufficient dosing, means allowing correction of overset dose
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31535—Means improving security or handling thereof, e.g. blocking means, means preventing insufficient dosing, means allowing correction of overset dose
- A61M5/31541—Means preventing setting of a dose beyond the amount remaining in the cartridge
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31545—Setting modes for dosing
- A61M5/31548—Mechanically operated dose setting member
- A61M5/3156—Mechanically operated dose setting member using volume steps only adjustable in discrete intervals, i.e. individually distinct intervals
-
- 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
- A61M5/31583—Constructional features or modes of drive mechanisms for piston rods based on rotational translation, i.e. movement of piston rod is caused by relative rotation between the user activated actuator and the piston rod
Definitions
- the invention relates to an injection device for an injectable product, preferably a liquid medicament such as insulin, a growth hormone or an osteoporosis preparation.
- an injection device comprising a housing in which a reservoir for an injectable product with a delivery piston are arranged.
- a piston rod is threadedly engaged with the housing.
- the device further comprises a metering member which is axially movable in threaded engagement with the piston rod relative to the housing and the piston rod, a rotary knob which is rotatable relative to the housing but axially non-movable and which is secured against rotation with the metering member, a coupling member is connected to the piston rod axially secured against rotation and forms a two-way slip clutch with the dosing, and finally a spring member which acts on the coupling member with a resilience and thereby holds in a clutch engagement with the dosing.
- the slip clutch is designed as Drehloiskupplung with two sprockets that are together in a releasable against the force of the spring member latching engagement and thus form the clutch engagement.
- the latching engagement is releasable against the force of the spring member in both directions of rotation, so that by a rotational movement of the dosing in a metering direction, the dose can be increased and reduced by a rotational movement in an opposite correction direction.
- the spring member acts in a double function as a clutch spring, which biases the coupling member into coupling engagement with the dosing member, and as a discharge spring, the spring tension is increased in the setting by increasing the dose and the distribution of the piston causes the propulsion.
- the sprockets in the clutch engagement must Withstand spring tension. The amount of force required by the user to increase the dose is correspondingly high.
- the invention relates to an injection device comprising a housing having an injectable product reservoir, a product dose setting operation button, a set dose delivery delivery member, a two-way slip clutch, and a spring member.
- the actuation knob is movable to adjust the dose relative to the housing in a dose-increasing dosage direction and a dose-reducing correction direction.
- the actuating knob is rotatable relative to the housing.
- the dose adjustment knob may also be linearly movable or rotationally movable relative to the housing, or, in yet an alternative embodiment, linearly movable.
- the housing and the dosing button each form a joint member of a jointly formed pivot joint.
- the dosing button can also be movably connected to the housing only via one or more further joint elements and correspondingly a plurality of joints. Conveniently, a linearly movably received in the reservoir conveyor piston form the conveyor member.
- the two-way slip clutch comprises at least one latching element and at least one locking counter-element, the latching in a latching engagement with each other dosing the knob when moving in the metering direction and during movement in the correction direction in discrete detent positions with the housing positively and non-positively.
- the spring member counteracts the movement of the Dosierknopfs in at least one of the two directions, preferably the movement in the metering direction, with an elastic spring force.
- the locking element or the counter-locking element in response to the spring force is shaped so that they oppose in the latching engagement of the movement in the direction favored by the spring force greater resistance than the movement in the other direction.
- the word "or” is used here as well as otherwise in the usual logical sense of "and / or”, as far as no other meaning arises from the context of the respective use of the word.
- the shape of the latching element or the latching counter element is preferably selected so that the slip clutch opposes the movement of the Betäw réellesknopfs in the correction direction greater resistance than the movement in the metering direction and the formulated to be overcome for the metering frictional resistance is lower than that for the dose correction to be overcome frictional resistance.
- the spring member is stretched by the movement of the actuating knob in the at least one direction from locking position to locking position stronger. Due to the inventively formed locking element or locking counter element accidental slippage of the clutch in the other direction, in which the spring member acts, are safer than in the prior art to be prevented, while at the same time due to the shape of the at least one locking element or locking counter-element resistance to the Movement in the at least one direction may be less than in the case of a conventional, with respect to the direction of movement indifferent slip clutch.
- the force required for adjusting the dose can be reduced compared with the prior art and the holding force of the coupling can nevertheless be increased. Likewise, the force required for the adjustment of the dose can be reduced or the holding force of the slip clutch can be increased while maintaining the same holding force.
- the spring member may form a coupling spring, against the spring force, the locking element and locking counter element are moved away from each other both in the movement in the metering direction and during the movement in the correction direction to lock in the next locking position again.
- the spring force can be the same for both directions of movement in each locking position. However, this is more preferable Spring member during the movement in the at least one of the directions of detent position to detent position stronger biased so that it opposes the movement in the direction in question a greater spring force than in the other. It can oppose the movement in the other direction also one, albeit smaller spring force.
- the spring member counteracts only the movement in the at least one of the two directions of a spring force.
- the spring member does not serve as a clutch spring.
- a clutch spring as a further spring member or more Kupplungsfedem are provided as further spring members, so that the locking element and locking counter-member in both directions of movement against the elasticity of the separate clutch spring or the plurality of separate clutch springs from locking position to locking position are movable.
- the functional relief of the spring member in this regard opens up design freedom in terms of the shape and the installation of the spring member.
- the spring member can be used more easily in another additional function.
- the slip clutch can be optimized by means of at least one separate clutch spring or the plurality of separate clutch springs in terms of their holding power and the effort required to overcome the holding force.
- the spring member is preferably a mechanical spring, but may alternatively be a pneumatic spring.
- the function according to the spring member may in particular be a compression spring or a torsion spring, optionally also a tension spring.
- the delivery member is drivable in the distribution of the dose by means of the spring member.
- the delivery member is driven in the distribution only by the spring member.
- the user must apply at least a part of the force required for driving the conveyor member, and the conveyor member performs the function of a servo spring, which supports the user, so that in the distribution of the user and the spring member for share the force required to drive the conveyor link.
- a preferred example of the second variant is disclosed in German Patent Application No.
- the locking element and the locking counter-element are movable from locking position to locking position in a Kupplungsdosierraum and a coupling correction direction.
- the Kupplungsdosier therapies and the coupling correction direction are opposite to each other.
- the actuating knob is connected to a latching element and latching counter element so that the Kupplungsdosierides the metering direction and the coupling correction direction correspond to the correction direction of the actuating knob.
- the one of locking element and locking counter-element is formed or fixed to the actuating button so that it participates in the movement.
- the one of locking element and locking counter-element can be kinematically, ie, slip-coupled with the actuating button but also only one or more intermediate links.
- the Kupplungsdosierraum may differ from the metering direction of the operating knob. The same applies to the coupling correction direction and the direction of the actuating button. In all embodiments, however, it applies that the detent member moves relative to the detent counterpart in the Kupplungsdosierraum when the operating knob is moved in the metering direction, and moves in the coupling correction direction when the operating knob is moved in the direction of correction.
- the slip clutch comprises at least two coupling halves, namely a first coupling half with the at least one locking element and a second coupling half init the at least one locking counter-element.
- the locking element and the counter-locking element are preferably integrally formed on the respective coupling half in one piece, ie integrally connected to the associated coupling half or more preferably formed the same at the original formation. Alternatively, they may also be attached to the respective coupling half.
- the slip clutch is a rotary clutch, wherein one of the coupling halves is rotatable relative to the other at least for setting the dose about a rotation axis.
- the housing forms one of the coupling halves.
- a separately manufactured, but firmly connected to a housing shell part is calculated as belonging to the housing.
- a rotationally secured relative to the rotation axis with the housing, but in another way relative to the housing movable structure, in particular an axially movable structure one of the coupling halves form.
- both Coupling halves relative to the housing to be rotatable about the axis of rotation, wherein, however, one of the coupling halves, at least when setting the dose secured against rotation connected to the housing or optionally coupled via a transmission to the housing.
- the actuating knob moves in the axial direction in adjusting the dose as well as in dispensing together with the axially movable structure , as disclosed in particular in German Patent Application No. 10 2005 043 806.7.
- the relative movement between the coupling halves can basically also be a rotation-free translation movement or a movement composed of translation and rotation.
- the relative movement may be an axial movement parallel to a longitudinal axis of the injection device or a linear movement transverse to the longitudinal axis.
- the housing can form one of the coupling halves, a part immovably connected to the housing or a part which is not movable relative to the housing in the direction of relative mobility and which forms one of the coupling halves or which supports one of the coupling halves.
- the slip clutch comprises exactly two coupling halves, ie it consists in such embodiments of said coupling halves, and the locking element and the locking counter-element engage in the locking engagement with each other.
- the slip clutch comprises the two coupling halves and also a transmission member arranged between the coupling halves. The transmission member is in a latching engagement with a first of the two coupling halves and in a further latching engagement with the second of the coupling halves, preferably it forms a rotary friction coupling with the two coupling halves.
- a slip clutch is disclosed in DE 102 37 258 A1, which is incorporated herein by reference.
- the tripartite slip clutch in such alternative embodiments comprises two pairs of at least one latching element and at least one each Detent counter element.
- the first coupling half is movable relative to the second coupling half again in a Kupplungsdosierraum and an opposite Kupplungskorrekturraum, wherein in latching engagement with the transmission member relative to the transmission member in one of these two directions and in locking engagement of the transmission member with the second coupling half relative to this only in common the transmission member is movable in the other direction.
- the latching elements and latching counter-elements of the two rotary grids engage axially with respect to the axis of rotation.
- the coupling halves and the transmission member arranged therebetween may also surround one another, preferably coaxially, and the latching elements and latching counter-elements may be formed or fastened to the peripheral surfaces facing each other in pairs.
- the at least one latching element or the at least one latching counter-element is or are asymmetrically shaped in preferred embodiments with respect to the two directions in which they are reciprocable relative to each other.
- the asymmetry is preferably such that a greater force must be expended for the movement of the actuating button in the direction of correction than for the movement in the metering direction.
- the resistance to be overcome in the latching engagement of latching element and latching counter element is thus greater in the correction direction than in the metering direction.
- the latching element and locking counter-element which constitute a latching projection and a latching recess, have flanks with respect to the two directions of their relative movement flanks, which are asymmetrical with respect to the two directions by a steeper in one of the two directions edge of the locking element or the counter-locking element is steeper as the flank of the same element pointing in the other direction.
- An adapted, congruent form of locking element and locking counter-element is preferred.
- the locking element and the locking counter-element of the slip clutch namely the locking element and locking counter-element of the mutually contacting coupling halves in one Embodiment and the at least two pairs of locking element and locking counter-element of the two coupling halves and the transmission member in the alternative embodiment, can be placed relentlessly on the coupling halves and the optional transmission member.
- at least one of the coupling halves or the optional transmission member is supported elastically resiliently against a spring force as a whole, so that the friction clutch can be moved in the latching engagement.
- the locking element or locking counter-element is arranged elastically yielding to the respective coupling half or the optional transmission member.
- each locking element or locking counter-element form an elastic snapper by per locking element or locking counter-element
- a clutch spring is provided, from which the associated locking element protrudes or is excluded as a detent recess.
- both the locking element and the locking counter-element can each be formed as an elastic snapper, it is preferred if only one of locking element and locking counter-element is elastically yielding and the other is relentless.
- the clutch spring may in particular be an elastic bending beam, which is either clamped only on one side and protrudes freely from its clamping, preferably in the circumferential direction about the axis of rotation, if the slip clutch is formed as Drehrisonkupplung.
- the clutch spring is formed as both sides clamped bending beam.
- the relevant coupling half can be formed for this purpose, for example, as a sleeve with an internal axis of rotation, at least in a section forming the detent element or detent counter element.
- the sleeve is provided axially adjacent to the bending beam with an opening, next to the bending beam remains as a bridge element. Seen in the circumferential direction can be obtained in this way one behind the other several bending beam with the remaining remaining stiffer sleeve segments.
- the spring member advantageously acts directly or optionally only one or more Intermediate links on a dosing member, for the Adjustment of the dose relative to the housing is movable back and forth.
- the dosing is moved in one of the two directions of its mobility up against a Aus commonlyanschlag.
- it is also movable in the other direction of mobility up to a maximum dose stop.
- the mobility of the dosing member may be a pure translational mobility or a pure rotational mobility, it is preferably a both translational and rotational mobility.
- the dosing member may in particular be a joint element of a screw joint. In the case of a rotatable dosing preferably at least one of said stops is a rotational stop.
- the slip clutch comprises only a single locking element and a single locking counter-element or in embodiments with transfer member only two pairs of only one locking element and a locking counter-element
- each locking engagement several locking elements and a plurality of locking counter-element are provided. It can lock in the respective latching engagement, even a single locking element with a plurality of locking counter-elements, namely from locking position to locking position in each case with the next locking counter-element.
- only a single locking counter-element per latch engagement applies mutatis mutandis, the same.
- 1 shows an injection device in a view
- 2 shows the injection device in a longitudinal section
- FIG. 3 shows the proximal section of the injection device in the longitudinal section
- FIG. 4 shows a dosing clutch in a clutch engagement
- FIG. 5 shows a housing section and an actuating button
- Figure 6 is a discharge clutch disengaged.
- FIG. 1 shows an injection device in a side view.
- the injection device is formed as elongated, slender Injetationspen. It comprises a housing with a distal housing section 1 and a proximal housing section, which comprises two housing sections 2 and 3 firmly connected to one another.
- the injection device serves to administer a liquid medicament, for example insulin.
- the medicament is contained in a reservoir, which is exchangeably inserted in the housing section 1.
- the medicament is administrable through an outlet Ia formed at the distal end of the housing section 1.
- the injection device is substantially rotationally symmetrical with respect to a central longitudinal axis RT.
- the housing sections 1-3 are each formed of opaque plastic material.
- the housing portion 1 has a window Ib which extends to or close to the proximal end of the housing portion 1 and close to the outlet Ia, but is comparatively narrow in the circumferential direction about the axis RT .
- the housing section 2 likewise has a window 2b, which covers the window 1b in the connected state of the housing sections 1 and 2, so that even in the connection region of the housing sections 1 and 2, the view of the reservoir is free.
- the windows 1b and 2b are the same width in the circumferential direction, but different dimensions in the circumferential direction would certainly be conceivable as long as at least the function of viewing the reservoir is fulfilled.
- a further window 4 is formed in the form of a magnifying glass.
- An actuating button 27 forms the proximal end of the injection device.
- the actuating button 27 fulfills the function of a manually operable Dosierknopfs, by the operation of a dose to be administered the drug is selectable or adjustable, and also the function of a trigger button, by the operation of the set dose is aus wellbar.
- the set dose can be read through the window 4 on a running below the window 4 in the setting dose scale.
- Figures 2 and 3 show the injection device each in a longitudinal section containing the longitudinal axis RT, Figure 2 as a whole and Figure 3 shows the proximal portion in an enlarged view.
- the reservoir R is an ampoule made of glass or transparent plastic.
- a piston 10 is received in an advancing direction V to the outlet Ia to axially movable.
- the reservoir R is completely filled, and the piston 10 closing the reservoir R proximally occupies its most proximal position.
- the housing section 1 basically forms only a reservoir holder. It is fixed to the housing portion 2, but releasably connected for an exchange of the reservoir 1, for example screwed.
- the sections 2 and 3 forming the proximal housing section are likewise firmly connected to one another, preferably by material engagement, and can be functionally regarded as a single housing section 2, 3.
- the housing section 2, 3 supports a dosing and advancing device, by means of which a dose of the medicament which can be distributed per injection can be set and the set dose can be distributed by propulsion of the piston 10.
- the actuation button 27 is coupled to adjust the dose by means of a Dosierkupplung with the metering and propulsion device.
- the dosing and advancing device comprises a plurality of members, which are coupled together by means of the dosing and a discharge coupling in the setting of the dose and their distribution in different ways.
- a piston rod 11 forms one of these links. In the distribution, the piston rod 11 presses against the back of the piston 10 so that it moves in the advancing direction V and drug is released through the outlet Ia.
- the piston rod 11 is threadedly engaged with the housing portion 2 for which it is threaded over most of its length.
- the housing section 2 forms the mating thread on a holding device 2 a protruding radially inwardly against the piston rod 11 (FIG. 3).
- the propulsion movement of the piston rod 11 is a rotational movement about the longitudinal axis RT with superimposed translation in the advancing direction V.
- the thread of Piston rod 11 is not formed circumferentially, but is interrupted at least by an axial flat side or groove. However, the threaded engagement with the holding device 2a and the threaded engagement of the holder of the piston rod 11 does not detract from this.
- the metering and advancing device further comprises a first coupling member 12, a second coupling member 16 and a third coupling member 22.
- the coupling member 12 is connected to the piston rod 11 along the flat side or groove in a guide engagement axially movable, but secured against rotation.
- the coupling member 12 is disposed proximally of the holding device 2a and presses in the advancing direction V against the holding device 2a.
- the coupling member 12 surrounds the piston rod 11.
- the coupling member 12 includes a distal portion that contacts the retainer 2a and a proximal portion that extends to the operating knob 27. Between the two sections, a spring 13 is formed.
- a further spring 14 is gefo ⁇ nt, which includes a plurality of projecting in the direction of the holding device 2a spring tongues, which are elastically stretched.
- the spring tongues of the spring 14 form latching elements which latch with latching counter-elements of the holding device 2a, so that between the coupling member 12 and the holding device 2a and thus the housing portion 2 a Drehloiskupplung is obtained, which prevents the piston rod 11 in vibration relative to the housing Can turn 1-3.
- the transferable in the coupling engagement of the locking elements and locking counterparts of Drehloiskupplung force is not so great that it prevents the required for the discharge of the set dose rotational movement of the piston rod 11 or even hindered to a practically relevant extent.
- the coupling member 12 can axially deflect.
- the coupling member 12 is gefo ⁇ nt including the two springs 13 and 14 in one piece made of plastic, preferably by injection molding.
- the coupling member 16 is rotatably mounted about the axis RT. It is sleeve-shaped and surrounds the coupling member 12. At the distal end of the coupling member 16 is a spring 17, in the embodiment, an axially short coil spring, formed in one piece. The coupling member 16 is supported with its spring 17 in the distal direction on the coupling member 12 and pushes this against the holding device 2a. At the proximal end of the coupling member 16 engaging elements 20 are formed, which are in the illustrated state of the injection device in a releasable coupling engagement with engagement counter-elements 24 of the coupling member 22.
- the engagement elements 20 and engagement counter-elements 24 may be axially from the coupling member 16 or 22 in the direction of each other protruding teeth forming two intermeshing in the clutch engagement, concentric with the axis RT sprockets with preferably uniform pitch, as shown in Figure 4 by way of example , In the illustrated state, in which the user can adjust the dose to be administered, engage the engagement elements 20 and engagement counter-elements 24 of the two coupling members 16 and
- the coupling members 16 and 22 form the Dosierkupplung and are connected to each other in the clutch engagement against rotation.
- Figure 4 shows the coupling halves of Dosierkupplung, namely the coupling members 16 and 22, in the clutch engagement and detached from the overall context, so that their functional elements 17-20 on the one hand and 23-25 on the other hand clearly visible.
- the coupling member 22 is also sleeve-shaped and has at its proximal end on a radially outwardly projecting flange. On the outer periphery of the flange engaging elements 25 are formed, which connect the coupling member 22 secured against rotation with the actuating knob 27.
- the coupling member 22 is supported via a spring 23 axially on the actuating knob 27 from.
- the spring 23 is an integral part of the coupling member 22 by the coupling member 22 in one piece including the spring
- the spring 23 is molded from plastic.
- the spring 23 is similar to the spring 14 of a plurality of curved around the axis RT and axially projecting spring tongues. It ensures in conjunction with the spring 17 that the coupling members 16 and 22 are held axially elastically in the clutch engagement.
- the spring 17 presses the coupling member 16 and the spring 23 presses the coupling member 22 further each axially abutment against the housing portion.
- the coupling member 22 is in threaded engagement with a stop member 26.
- the coupling member 22 is at its outer periphery in front of the flange with a thread 22a provided (Fig. 4).
- the housing portion 3 forms the thread 22a radially outwardly opposite an axial guide 7 for the stop member 26, so that the stop member 26 is axially moved during a rotational movement of the coupling member 22 in threaded engagement.
- the axial displacement of the stop member 26 corresponds to the amount of drug, the maximum, ie at full reservoir R, is available and administered in several injections.
- the stop member 26 moves guided by the axial guide 7 along the external thread 22a of the coupling member 22 in the axial direction, in the exemplary embodiment in the advancing direction V. If the stop member 26 in this direction of movement at an axial stop formed by an inner sleeve 6 has arrived, this means that the reservoir R has been completely emptied.
- the inner sleeve 6 forms the axial guide 7 and is not axially movable relative to the housing section 3, in the exemplary embodiment it is formed on the housing section 3 via a radial connecting web, ie it is part of the housing section 3.
- the metering and advancing device further comprises a metering and display member 30 which is in threaded engagement with the housing portion 3.
- a metering and display member 30 which is in threaded engagement with the housing portion 3.
- the housing section 2 is smooth in the area of contact with the metering and display member 30.
- the thread 3 a is formed directly on the shell inner surface of the circular cylindrical shell, the housing section 2, 3.
- the dosing and indicating member 30 is essentially a simple circular cylindrical sleeve with a correspondingly shaped external thread 30a.
- the threads 3a and 30a have a significantly greater thread pitch than the threads of the piston rod 11 and the holding device 2a. The thread pitch is so great that self-locking in threaded engagement is prevented and the metering and indicating member 30 rotates under a pure axial force in threaded engagement relative to the housing portion 2, 3 and is moved axially.
- the metering and display member 30 is axially movable, but non-rotatably coupled to the coupling member 16.
- the dosing and indicating member 30 and the coupling member 16 are directly in a corresponding guide engagement with each other.
- the coupling member 16 forms for this purpose an axial guide 18 at its outer periphery.
- On the inner surface of the dosing and display member 30 is a Engaging member 31 protruding shaped, with which the metering and indicator member 30 in guiding engagement with the coupling member 16, ie with its guide 18, is.
- the guide 18 extends over most of the length of the coupling member 16 and is traversed by the metering and indicating member 30 when setting the maximum dose over most of its length.
- the guide 18 is formed by axial grooves in the outer surface of the coupling member 16 (Fig. 4). At their distal ends, the grooves each form a stop 19 for the engagement element 31.
- the metering and advancing device comprises a spring member 32, which acts on the metering and indicating member 30 in the distal direction with a force.
- the spring member 32 of the embodiment is a coil spring and acts as a compression spring.
- the spring member 32 is supported in the proximal direction on the housing portion 3 from.
- the spring member 32 is supported in the distal direction on an annular sliding disk 33, which is inserted between the coupling member 16 and the metering and display member 30 and in turn is supported on the engagement member 31.
- the spring member 32 is largely decoupled from rotational movements of the metering and display member 30.
- the metering and indicator member 30 is movable relative to the piston 10 and the piston rod 11 and, moreover, to the coupling members 12, 16 and 22 between axial end positions back and forth.
- the two end positions are a zero dose position and a maximum dose position.
- the two end positions are each determined by a stop.
- the stop for the zero-dose position forms a shoulder 2c at the distal end of the housing portion 2 as an axial stop.
- the stop for the maximum dose position forms the housing section 3.
- a distal portion of the metering and indicating member 30 overlaps the reservoir R in the advancing direction V to beyond the piston 10 when the piston 10 as in the figures 2 and Figure 3 shows occupying a rearmost position in the reservoir R.
- the piston 10 occupies this position when the reservoir R is completely filled.
- the thread 30a extends to the distal end or at least to near the distal end of the dosing and indicating member 30, so that the thread 30a axially overlaps the reservoir R and the piston 10 when the dosing and indicating member 30 Zero dose position.
- the thread 30a terminates in front of the distal end of the metering member 30 and forms, together with the thread 3a of the housing portion 3, a rotation stop which determines the maximum dose position of the metering and indicating member.
- the thread 30a could alternatively also leak at the distal end of the dosing and indicating member 30; the maximum dose position determining abutment would be otherwise in such a modification.
- the metering and display member 30 is not circumferentially fully cylindrical at its distal end, but only partially cylindrical, in order to release the view of the piston despite the axial overlap, even if the metering and display member 30 as preferred not from a transparent plastic material, but from an opaque or at most opaque plastic material or other material is formed.
- the distal edge of the dosing and indicating member 30 spirals around the axis RT so that the dosing and indicating member 30 as shown in Figures 2 and 3, with its distal end in a peripheral region, projects axially even beyond the piston 10 and in another Peripheral region, which is in the zero dose position with the window in registration, behind the piston 10 is behind, so that the piston 10 can be observed through the windows Ib and 2b.
- the metering and indicator member 30 may extend all the way to the same axial height except for, for example, an aperture, and so protrude everywhere beyond the piston 10 in the advancing direction V, except for the perforated portion, the aperture being in the zero-dose mode. Position in overlap with the window 2b would be.
- the shoulder 2c of the housing portion 2 is also wound around the axis RT following the spiral course of the distal edge of the metering and indicating member 30. The tortuous course of the shoulder 2c can also be seen from FIG.
- the housing section 2 comprises an outer sleeve which, together with the housing section 3, surrounds the metering and advancing device, and an inner sleeve which is connected at its distal end to the outer sleeve by a web forming the shoulder 2c and at its proximal end Holding device 2a protrudes radially inwardly.
- An annular gap remains between the outer and the inner sleeve, into which the metering and indicating member 30 protrudes in the zero-dose position over a greater part of its length, the larger part being in the region of the longest segment of the dosing. and indicator member 30 is about 50% of the total length of metering and indicating member 30.
- the dosing and indicating member 30 carries a dose scale which spirals on the outer circumference of the dosing and indicating member 30 with a pitch measured with respect to the axis RT corresponding to the pitch of the thread 30a.
- the dose scale consists of markings and numbers, each of which corresponds to a smallest adjustable dosage unit. The dose scale can be read during the adjustment of the dose to be administered through the window 4 of the housing section 3 (FIG. 1).
- the actuating button 27 forms the proximal end of the injection device. He is clipped to the housing portion 3 by the housing portion 3 is provided at its proximal end with a shoulder 5, which engages behind the actuating knob 27.
- the operation knob 27 is rotatable relative to the housing 1-3 about the axis RT in a metering direction and a correction direction. In setting the dose, the dose is increased by the rotation of the operation knob 27 in the metering direction and reduced upon rotation in the direction of correction, whereby a dose set too large by mistake can be corrected.
- the actuating knob 27 is further axially movable with the coupling member 22, but connected by means of the engagement elements 25 against rotation.
- Figure 5 shows the housing portion 3 and the operating knob 27 in clutch engagement with a portion of the operating knob cut away to show the engagement.
- the operating knob 27 forms on the rotation with the coupling member 22 also has a slip clutch, in the exemplary embodiment a Drehloiskupplung with the housing section 3.
- a slip clutch in the exemplary embodiment a Drehrisonkupplung with the housing section 3.
- On the operating knob 27 are uniformly distributed for the formation of the slip clutch about the axis RT a plurality of locking elements 28 formed with the corresponding are the locking engagement elements 8 formed in a coupling engagement with the distal end of the housing section 3, preferably congruent locking counter-elements 8.
- the number of locking counter-elements 8 is less than the number of locking elements 28.
- the Der Actuating knob 27 is rotatable relative to the housing portion 3 about the axis RT in existing coupling engagement of the locking elements 28 and locking counter-elements 8, wherein the locking elements 28 and locking counter-elements 8 engage discretely distributed over the circumference locking positions in pairs releasably to each other.
- the slip clutch does not necessarily have to be formed directly between the housing 1-3 and the operating knob 27. Instead of providing the locking elements 28 on the actuating button 27, they could also be formed on the coupling member 22. Modified locking elements and locking counter-elements could, for example, axially engage in both embodiments instead of radially.
- the latching elements 28 and correspondingly the latching counter-elements 8 are asymmetrically shaped with respect to the direction of rotation, so that the force required for releasing the latching engagement in a coupling metering direction is greater than in the reverse direction of rotation, the coupling correction direction.
- the operation knob 27 since the operation knob 27 directly forms the latching elements 28 itself, the metering direction of the operation knob 27 is also the clutch metering direction at the same time, and the correction direction is the clutch correction direction.
- the locking counter-elements 8 are locking cams, which protrude from the outer shell surface of the housing portion 3 radially outward.
- the latching elements 28 are correspondingly formed on the facing opposite Mantelinnenfiambae of the actuating button 27 as corresponding recesses or tooth gaps of an internal toothing.
- the advancing flanks of the latching elements 28 pointing in the coupling metering direction are flatter than the flanks pointing in the reverse direction of rotation when the latching elements 28 move in the coupling metering direction.
- the locking counter-elements 8 are shaped to fit snugly with two flanks.
- the asymmetry of the slip clutch with respect to the two directions of rotation of the operating knob 27 is on the direction of the force from the member 32 to the metering and Indicator 30 applied force applied.
- the dosing namely on the metering coupling formed at 20, 24 and the guide engagement formed at 18 and 31, the dosing and indicating member 30 is threadedly rotated and moved in the proximal direction.
- the spring member 32 is increasingly tensioned.
- the elasticity force of the spring member 32 sets the movement of the dosing and indicating member 30 in the proximal direction a resistance which acts on the coupling described above on the slip clutch 8, 28 and the rotational movement of the actuating knob 27 in the metering direction, in which the flatter flanks of the Locking elements 28 and locking counter-elements 8 have, opposes an additional, during the metering increasing frictional resistance.
- the force exerted by the spring member 32 supports conversely the rotational movement in the direction of a dose correction.
- FIG. 5 shows the housing section 3 and, in particular, its detent counter elements 8 for the slip clutch 3, 27.
- the housing section 3 forms radially elastically yielding clutch springs 9, a clutch spring 9 per detent counter element 8 in a proximal sleeve section.
- the detent counter elements 8 protrude radially from the clutch springs 9 outward.
- the clutch springs 9 are ring segments. Circumferentially around the axis RT, the sleeve section is composed of alternately the clutch springs 9 and, in contrast, stiffer ring segments.
- the clutch springs 9 each act as a circumferentially extending bending beam, which are clamped on both sides, namely at the two ever next adjacent stiffer ring segments. In the circumferential direction extends along the clutch springs 9 each have a recess, whereby the resilience of the respective clutch spring 9 is increased.
- the sleeve section forming the coupling springs 9 forms the proximal end of the housing section 3.
- the actuating knob 27 is pot-shaped with a bottom forming the distal end of the injection device and a wall revolving around the axis RT, on the inner surface of which the locking elements 8 are uniformly distributed over the circumference and are each shaped as an axially extending recess.
- the locking elements 28 are in the assembled state both with the locking counter-elements 8 as Also with the engaging elements 25 (Fig. 3) of the coupling member 22 in engagement, wherein both the locking engagement with the locking counter-elements 8 and the anti-rotation engagement with the engaging elements 25 in each axial position of the operating knob 27 is maintained.
- the dosing and advancing device includes on the dosing clutch formed by the coupling members 16 and 22, a second clutch, namely the already also mentioned Aus contextkupplung shown in Figure 6.
- the Aus contextkupplung is formed by the coupling members 12 and 16, which are provided for this purpose with intermeshing engagement elements in the clutch engagement.
- On the side of the coupling member 12 are engagement elements 15a and 15b.
- the coupling member 16 is provided with engagement counterparts 21.
- the engagement elements 15a are axial ribs which protrude at the proximal end from a shell outer surface of the coupling member 12 radially outward.
- the engagement counter-elements 21 are formed on a shell inner surface at the proximal end of the coupling member 16 corresponding to axial blind grooves.
- the engagement counter-elements 21 form an axial guide for the engagement elements 15a.
- the engagement elements 15a form a kind of external toothing about the axis RT.
- the external toothing is interrupted at least one point, in the exemplary embodiment at two diametrically opposite points.
- each one of the engagement elements 15b is formed.
- the engaging elements 15b protrude radially outward like the engaging elements 15a, but are wider in the circumferential direction than the engaging elements 15a, so that they can not retract into the engaging elements 21 formed as blind grooves. Rather, the remaining between the engagement elements 21 rib webs form an axial stop for the engagement elements 15b when the coupling member 12 is moved relative to the coupling member 16 in the distal direction.
- the coupling member 16 is selectively connected to the coupling member 22 or the coupling member 12 in a clutch engagement, ie with dissolved discharge coupling in coupling engagement with the coupling member 22 and dissolved Dosierkupplung in coupling engagement with the coupling member 12.
- the dosing is closed, ie the Engagement elements 15a and 15b are in axial Covering only with the coupling member 22, the inner shell surface, however, is circumferentially smooth, so that when setting the dose, the coupling member 22 can rotate relative to the coupling member 12.
- the clutch member 12 is moved into clutch engagement with the metering and indicator member 16, the dosing clutch is thereby released and the distribution clutch is closed, so that the discharge can begin.
- FIG. 6 shows the coupling members 12, 16 and 22 in the state of the closed metering coupling 16, 22.
- the user holds the injection device in one hand and sets with the other hand a cannula unit on the outlet Ia and screwed it firmly. Otherwise, the injection device is in the state shown in Figures 1 to 3.
- the user can verify the level of the reservoir R or the position of the piston 10. Assume that he has already vented the reservoir R and wants to inject in the next step, a certain dose of the drug.
- By turning the operating knob 27 he sets the desired dose.
- he can read the current dose corresponding to the axial position of the dosing and indicating member 30 through the window 4.
- the actuation knob 27 can correct the overdose by turning the actuation knob 27 in the direction of correction.
- the rotational movement of the actuating knob 27 is transmitted to the metering and indicating member 30 via the anti-rotation lock provided at 25, via the metering coupling closed at 20, 24 to the coupling member 16 and in the guiding engagement between 18 and 31.
- the metering and display member 30 moves in rotation with the threads 3a and 30a about the axis RT and translationally in the proximal direction.
- the spring member 32 is elastically increasingly stretched during the dosing and supports an optionally be made dose correction.
- the piston rod 11 is decoupled from the dosing movement, in the exemplary embodiment dosing rotational movement, and is additionally secured by the surrounding, also decoupled coupling member 12 against rotational movements.
- the backup is obtained as already mentioned by the slip coupling formed between the coupling member 12 and the holding device 2a and the rotationally secured engagement of the coupling member 12 with the piston rod 11.
- the user When the desired dose is adjusted, the user pricks the puncture cannula into and under the skin into the subcutaneous tissue at the desired injection site. Then, with the same hand, which also holds the injector cover at the time of insertion, it releases the release of the adjusted dose.
- the dosing and indicating member 30 is held in accordance with the dose-locking positions of the detent elements 28 and detent elements 8 of the slip clutch, ie, the slip clutch prevents the dosing and indicating member 30 from moving under the action of the spring member 32. Therefore, for disbursement, the coupling between the housing section 3 and the metering and indicating element 30 via the slip clutch at 8, 28 must be released. This is done by loosening the dosing coupling formed at 20, 24 by the user pressing the actuating button 27 with the thumb in the distal direction.
- the actuating knob 27 moves relative to the housing portion 3 and the coupling member 22 against the force of the spring 23 in the distal direction and presses against the coupling member 12 in this movement.
- the coupling member 12 axially springs in the region of its integrated spring 13 in one, so that its engagement elements 15a in the rotationally secured engagement with the engagement counter-elements 21 of the coupling member sixteenth reach.
- the metering coupling between the coupling member 22 and the coupling member 16 is still closed, while already the coupling engagement of the Aus thoroughlykupplung between the coupling member 12 and the coupling member 16 is made.
- the metering and indicator member 30 screws under the elasticity of the spring member 32 in the distal direction.
- the rotational movement portion of the dosing and indicating member 30 is transmitted to the coupling member 16 in the guiding engagement between the guide 18 and the engaging member 31.
- the coupling member 16 transmits because of the closed Aus featurekupplung the rotational movement of the coupling member 12, which in turn is non-rotatably connected to the piston rod 11, so that the piston rod 11 rotates in threaded engagement with the holding device 2a and pushes the piston 10 in the advancing direction V.
- the dispensing movement of the components involved is terminated by stopping the dosing and indicating member 30 on the shoulder 2c.
- the stroke or axial portion of the adjustment of the dosing and indicating member 30 therefore determines the stroke of the piston 10 and thus the distributed dose. Because of the larger thread pitch of the thread 3 a and 30 a relative to the threads of the piston rod 11 and the holding device 2 a of the stroke of the metering and display member 30 is reduced in a reduction ratio corresponding stroke of the piston 10.
- the slip clutch formed between the spring 14 and the retainer 2a produces a clicking sound that is clearly perceptible and also acoustically indicates to the user that medication is being dispensed.
- the dispensing process is further verifiable at least by the windows 1b and 2b based on the axial position of the piston 10 at least.
- the stop member 26 is also moved in threaded engagement with the coupling member 22 in accordance with the set dose.
- the user exchanges the empty reservoir R for a filled new reservoir R. For this, he only has to separate the housing section 1 from the proximal housing section 2, 3, insert the new reservoir R with the piston 10 already received therein, and connect the housing sections 1 and 2, 3 again.
- the spring member 32 may be arranged in axial overlap with the reservoir R and is supported on an abutment, for example, the shoulder 2c , In such a reversal of the installation conditions, the metering and display member 30 would be moved in the distribution in the proximal direction against a stop.
- the spring member 32 may be incorporated as a tension spring, although the installation is particularly preferred as a compression spring.
- German Patent Application Nos. 10 2005 043 806.7 and 10 2005 043 807.5 According to these applications, the spring member tuned to the slip clutch as described is incorporated as a torsion spring. The older applications are included with regard to the coordinated arrangement of slip clutch and spring member.
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Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006291940A AU2006291940B2 (en) | 2005-09-14 | 2006-08-22 | Injection device with two-way slip clutch |
DE502006002279T DE502006002279D1 (de) | 2005-09-14 | 2006-08-22 | Injektionsvorrichtung mit zweiwege-rutschkupplung |
DK06775147T DK1926514T3 (da) | 2005-09-14 | 2006-08-22 | Injektionsindretning med tovejs-glidekobling |
PL06775147T PL1926514T3 (pl) | 2005-09-14 | 2006-08-22 | Strzykawka dozująca z dwukierunkowym sprzęgłem przeciążeniowym |
CN2006800335865A CN101262899B (zh) | 2005-09-14 | 2006-08-22 | 具有双向滑动离合器的注射装置 |
JP2008530290A JP4681055B2 (ja) | 2005-09-14 | 2006-08-22 | 2方向滑り継手を有する注射装置 |
EP06775147A EP1926514B1 (de) | 2005-09-14 | 2006-08-22 | Injektionsvorrichtung mit zweiwege-rutschkupplung |
US12/047,043 US7955303B2 (en) | 2005-09-14 | 2008-03-12 | Injection device with a two-way slip coupling |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005043806 | 2005-09-14 | ||
DE102005043806.7 | 2005-09-14 | ||
DE102005060929.5 | 2005-12-20 | ||
DE102005060929A DE102005060929A1 (de) | 2005-09-14 | 2005-12-20 | Injektionsvorrichtung mit Zweiwege-Rutschkupplung |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/047,043 Continuation US7955303B2 (en) | 2005-09-14 | 2008-03-12 | Injection device with a two-way slip coupling |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007030957A1 true WO2007030957A1 (de) | 2007-03-22 |
Family
ID=37106515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2006/000453 WO2007030957A1 (de) | 2005-09-14 | 2006-08-22 | Injektionsvorrichtung mit zweiwege-rutschkupplung |
Country Status (10)
Country | Link |
---|---|
US (1) | US7955303B2 (de) |
EP (1) | EP1926514B1 (de) |
JP (1) | JP4681055B2 (de) |
CN (1) | CN101262899B (de) |
AT (1) | ATE415991T1 (de) |
AU (1) | AU2006291940B2 (de) |
DE (2) | DE102005060929A1 (de) |
DK (1) | DK1926514T3 (de) |
PL (1) | PL1926514T3 (de) |
WO (1) | WO2007030957A1 (de) |
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US10220153B2 (en) | 2013-09-03 | 2019-03-05 | Sanofi | Pen type drug injection device with dose limiting nut to prevent setting of a dose higher than the amount of drug remaining |
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Also Published As
Publication number | Publication date |
---|---|
JP4681055B2 (ja) | 2011-05-11 |
JP2009507581A (ja) | 2009-02-26 |
EP1926514A1 (de) | 2008-06-04 |
CN101262899B (zh) | 2011-04-20 |
EP1926514B1 (de) | 2008-12-03 |
DK1926514T3 (da) | 2009-04-06 |
AU2006291940B2 (en) | 2009-04-23 |
AU2006291940A1 (en) | 2007-03-22 |
US20080306445A1 (en) | 2008-12-11 |
ATE415991T1 (de) | 2008-12-15 |
DE102005060929A1 (de) | 2007-03-15 |
US7955303B2 (en) | 2011-06-07 |
PL1926514T3 (pl) | 2009-06-30 |
CN101262899A (zh) | 2008-09-10 |
DE502006002279D1 (de) | 2009-01-15 |
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