Patent application number | Description | Published |
20090302941 | Joint optimisation of supply and bias modulation - A radio frequency amplifier system is disclosed in which the amplifier bias supply and power supply voltages are >instantaneously modulated with signals derived from the envelope voltage of the input signal. Separate non-linear mapping functions are used to derive the supply and bias voltages. The two mapping functions are optimised jointly to achieve particular system performance goals, such as optimum efficiency, constant gain, constant phase, or minimum spectral spreading. An optimisation of >particular interest is that which achieves best RF amplifier power added efficiency subject to achieving constant amplifier gain. In this way the need for pre-distortion linearization may be reduced or eliminated. | 12-10-2009 |
20100073088 | Joint optimisation of supply and bias modulation - There is disclosed a technique for controlling at least one amplification stage, comprising: selecting a linearity objective for the amplification stage; in dependence on an input signal to said amplification stage, determining a combination of supply input and bias input for the amplification stage in order to meet said linearity objective; and in dependence on there being more than one combination of supply input and bias input for meeting the linearity objective, selecting the combination that optimises a further system performance objective for the amplification stage. The further system performance objective may be one or more of: an efficiency objective; an envelope signal bandwidth objective; or a robustness to production tolerance objective. | 03-25-2010 |
20120068767 | Power supply arrangement for multi-stage amplifier - There is disclosed a multi-stage amplifier comprising: a first amplifier stage; a second amplifier stage; a first voltage supply stage arranged to provide a supply voltage to the first amplifier in dependence on an average power of a signal to be amplified; and a second voltage supply stage arranged to provide a supply voltage to the second amplifier in dependence on an instantaneous power of a signal to be amplified. | 03-22-2012 |
20120105152 | Joint optimisation of supply and bias modulation - There is disclosed a technique for controlling at least one amplification stage, comprising: selecting a linearity objective for the amplification stage; in dependence on an input signal to said amplification stage, determining a combination of supply input and bias input for the amplification stage in order to meet said linearity objective; and in dependence on there being more than one combination of supply input and bias input for meeting the linearity objective, selecting the combination that optimises a further system performance objective for the amplification stage. The further system performance objective may be one or more of: an efficiency objective; an envelope signal bandwidth objective; or a robustness to production tolerance objective. | 05-03-2012 |
20120206173 | Control of cross-over point - There is provided an output stage comprising: a phase splitter for receiving an input signal and for generating first and second drive signals of opposite phase in dependence thereon; a DC offset signal generator for generating a DC offset signal; an adder for adding the DC offset signal to the first drive signal to provide a first modified drive signal; a subtractor for subtracting the DC offset signal from the second drive signal to provide a second modified drive signal; a first drive transistor associated with a first power supply voltage, for generating a first output signal in dependence on the first modified drive signal; a second drive transistor associated with a second power supply voltage, for generating a second output signal in dependence on the second modified drive signal; and a combiner for combining the first and second output signals to generate a phase combined output signal. | 08-16-2012 |
20130241650 | MULTI-STAGE AMPLIFIER - There is disclosed a power supply stage, and a corresponding method, comprising: a plurality of amplifiers for amplifying an input signal, each amplifier receiving a power supply voltage; a common selection means for selecting one of a plurality of power supply voltages in dependence on a reference signal representing a desired power supply voltage; and a plurality of adjusting means, corresponding to the plurality of amplifiers, adapted to generate an adjusted selected power supply voltage for a respective amplifier tracking the reference signal in dependence on the one selected power supply voltage and the reference signal. | 09-19-2013 |
20130285740 | DYNAMIC CHARACTERISATION OF AMPLIFIER AM-PM DISTORTION - There is disclosed a method of determining an AM-PM distortion measurement for an amplifier, the method comprising: generating a test waveform to be provided to the input of the amplifier; periodically puncturing the test waveform with a fixed-level reference signal to generate a modified test waveform which alternates between test periods in which a portion of the test waveform is present and reference periods in which the fixed-level reference signal is present; measuring the amplifier AM-PM distortion in a test period; measuring the phase difference between the input and the output of the amplifier in reference periods either side of the test period; estimating a phase error in the test period in dependence on phase differences measured in the reference periods; and estimating the true amplifier AM-PM distortion by removing the estimated phase error from the measured amplifier AM-PM distortion. | 10-31-2013 |
20130300504 | BIAS CONTROL FOR PUSH-PULL AMPLIFIER ARRANGEMENT - An amplification stage comprising: a combiner to generate a sum input signal by combining a voltage signal with a DC bias voltage; a subtractor to generate a difference input signal by subtracting the voltage signal from the DC bias voltage; a first transistor for generating a first part of an amplifier output signal from the sum input signal; a second transistor for generating a second part of an amplifier output signal from the difference input signal; a combiner for combining the first and second parts of the amplifier output signal; a sensing circuit arranged to sense a current flowing in each of the first and second transistors; a control circuit arranged to determine the quiescent current of the first and second transistors in dependence on the sensed currents; and an adjustment circuit arranged to adjust the DC bias voltage in order to minimise variation in the quiescent current. | 11-14-2013 |
20140028370 | Crest Factor Reduction Applied To Shaping Table To Increase Power Amplifier Efficiency Of Envelope Tracking Amplifier - There is disclosed a method of controlling an input to an envelope modulated power supply of an envelope tracking amplification stage, comprising: generating an envelope signal representing the envelope of a signal to be amplified; applying a shaping function to the envelope signal to generate a shaped envelope signal, including: clipping the shaped envelope signal at high input envelope values; and providing the shaped envelope signal as an input signal to the envelope modulated power supply. | 01-30-2014 |
20140028392 | PRE-DISTORTION IN RF PATH IN COMBINATION WITH SHAPING TABLE IN ENVELOPE PATH FOR ENVELOPE TRACKING AMPLIFIER - There is disclosed a method of controlling an envelope tracking amplification stage comprising an envelope modulated power supply, the method comprising: determining a shaping function to be applied to an envelope signal for controlling the envelope modulated power supply in dependence on a system linearity objective in a region of operation of the amplifier in which the output power of the amplifier is dependent upon the supply voltage; and determining a pre-distortion function to be applied to an input signal to be amplified in dependence on a further linearity objective of the system, in a region of operation of the amplifier in which the output of the amplifier is dependent upon the input power to the amplifier. | 01-30-2014 |
20140167841 | Power supply arrangement for multi-stage amplifier - There is disclosed a multi-stage amplifier comprising: a first amplifier stage; a second amplifier stage; a first voltage supply stage arranged to provide a supply voltage to the first amplifier in dependence on an average power of a signal to be amplified; and a second voltage supply stage arranged to provide a supply voltage to the second amplifier in dependence on an instantaneous power of a signal to be amplified. | 06-19-2014 |
20140218109 | 2G SUPPORT FOR 2G AND 3G/4G ENVELOPE TRACKING MODULATOR - There is provided an amplification stage including an envelope tracking modulated supply for tracking a reference signal, comprising a low frequency path for tracking low frequency variations in the reference signal and for providing a first output voltage, and a high frequency path for tracking high frequency variations in the reference signal and for providing a second output voltage, and a combiner for combining the first and second output voltages to provide a third output voltage, the amplification stage further comprising a first amplifier arranged to receive the first output voltage as a supply voltage, and a second amplifier arranged to receive the third output voltage as a supply voltage, wherein the first and second amplifiers are enabled in different modes of operation. | 08-07-2014 |
20150054588 | SUPPLY MODULATOR - There is disclosed an envelope tracking supply modulator comprising a switch mode path and a linear amplifier path, wherein the linear amplifier path includes a plurality of amplifiers, each amplifier having an output stage of a different size, wherein at least one of the plurality of amplifiers is enabled in dependence on an output power. | 02-26-2015 |
20150054598 | Filter for Switched Mode Power Supply - There is provided a filter for receiving a rectangular or stepped source voltage to be filtered and for providing an output voltage, the filter including means arranged to determine the output voltage in dependence on the frequency components of the source voltage within the filter passband, and independent of output current drawn. | 02-26-2015 |
Patent application number | Description | Published |
20110084680 | Transformer based voltage combiner with inductive shunt - In accordance with the invention there is also provided a voltage combiner ( | 04-14-2011 |
20110089990 | Control Loop for Amplification Stage - There is disclosed a method and apparatus for generating an output signal comprising a replica of an input signal, comprising the steps of: generating a replica signal representing the low frequency content of the input signal; generating an error signal representing an error in the replica signal; combining the replica signal with the error signal to generate an output signal; and wherein the step of generating the error signal further includes the steps of: generating a delay signal being a delayed version of the input signal; and determining a difference between the output signal and the delay signal which difference is the error signal. | 04-21-2011 |
20110090007 | Multi-stage amplifier - There is disclosed a power supply stage, and a corresponding method, comprising: a plurality of amplifiers for amplifying an input signal, each amplifier receiving a power supply voltage; a common selection means for selecting one of a plurality of power supply voltages in dependence on a reference signal representing a desired power supply voltage; and a plurality of adjusting means, corresponding to the plurality of amplifiers, adapted to generate an adjusted selected power supply voltage for a respective amplifier tracking the reference signal in dependence on the one selected power supply voltage and the reference signal. | 04-21-2011 |
20110095846 | Filter for Switched Mode Power Supply - There is provided a filter for receiving a rectangular or stepped source voltage to be filtered and for providing an output voltage, the filter including means arranged to determine the output voltage in dependence on the frequency components of the source voltage within the filter passband, and independent of output current drawn. | 04-28-2011 |
20120025917 | Efficient amplification stage - This is disclosed an amplification stage including a first amplifier stage, a second amplifier stage, and a power supply unit, in which the output of the first stage provides the input to the second stage, and the power supply unit provides a power supply for both amplifier stages, wherein the voltage of the power supply is continuously varied in dependence of the amplitude of the signal being amplified. | 02-02-2012 |
20120105150 | Joint optimisation of supply and bias modulation - A radio frequency amplifier system is disclosed in which the amplifier bias supply and power supply voltages are instantaneously modulated with signals derived from the envelope voltage of the input signal. Separate non-linear mapping functions are used to derive the supply and bias voltages. The two mapping functions are optimised jointly to achieve particular system performance goals, such as optimum efficiency, constant gain, constant phase, or minimum spectral spreading. An optimisation of particular interest is that which achieves best RF amplifier power added efficiency subject to achieving constant amplifier gain. In this way the need for pre-distortion linearization may be reduced or eliminated. | 05-03-2012 |
20130002346 | Parallel Correction Amplifier - There is disclosed a power supply stage, and a method of controlling such, comprising: a means for generating an intermediate supply signal in dependence on a reference signal representing a desired power supply; and a plurality of adjusting means, each adapted to generate an adjusted supply signal tracking the reference signal, in dependence on the generated intermediate supply signal and the reference signal. | 01-03-2013 |
20130127547 | EFFICIENT SUPPLY VOLTAGE - There is disclosed an arrangement comprising: a driver stage connected to receive an input signal and generate a drive signal; a transformer comprising: a first winding of a first side of the transformer, across which winding a voltage signal is developed in dependence on the drive signal; and a second winding of the first side of the transformer, coupled to the first winding, which exhibits across it a voltage signal related to the voltage across the first winding, by swingback; and a first controller for comparing the voltage exhibited in the second winding to a first threshold voltage, and for selecting a first or a second supply voltage for the arrangement in dependence on the comparison. | 05-23-2013 |
20130200865 | SWITCH MODE POWER SUPPLY FOR ENVELOPE TRACKING - There is disclosed an envelope tracked power supply comprising a high bandwidth, low delay closed loop switch mode power supply stage comprising: a pulse width modulator for generating a width modulated pulse in dependence on an input signal and an output voltage of the switch mode power supply stage; a wideband transformer, having a winding of a first side connected to receive the modulated pulse, and a winding of a second side; and an output stage connected to the winding of the second side of the transformer, and for generating the output voltage in dependence on the modulated pulse induced in the winding of the second side. | 08-08-2013 |
20130293205 | Control of cross-over point - There is provided an output stage comprising: a phase splitter for receiving an input signal and for generating first and second drive signals of opposite phase in dependence thereon; a DC offset signal generator for generating a DC offset signal; an adder for adding the DC offset signal to the first drive signal to provide a first modified drive signal; a subtractor for subtracting the DC offset signal from the second drive signal to provide a second modified drive signal; a first drive transistor associated with a first power supply voltage, for generating a first output signal in dependence on the first modified drive signal; a second drive transistor associated with a second power supply voltage, for generating a second output signal in dependence on the second modified drive signal; and a combiner for combining the first and second output signals to generate a phase combined output signal. | 11-07-2013 |
20140132345 | Power Control - An amplification stage comprising: an input scaling block for scaling an input signal based on an input scaling factor to generate a scaled version of the input signal; a power amplifier for receiving the scaled version of the input signal and for generating an amplified version of said signal; an envelope detector for generating a signal representing the envelope of the input signal; an envelope scaling block for scaling the envelope signal based on an envelope scaling factor to generate a scaled version of the envelope signal; a non-linear mapping block for generating a voltage representative of the supply voltage based on the scaled envelope signal; a modulator for generating a power supply voltage for the amplifier based on the voltage generated by the non-linear mapping block; and a power control block for maintaining a linear relationship between the envelope scaling factor and the input scaling factor. | 05-15-2014 |
20150061761 | DETERMINATION OF ENVELOPE SHAPING AND SIGNAL PATH PREDISTORTION OF AN ET AMPLIFICATION STAGE USING DEVICE CHARACTERISATION DATA - A method of controlling an envelope tracking amplification stage comprising: in a characterization mode: measuring parameters of the amplification stage to determine at least two of gain, phase and efficiency characteristics for instantaneous values of input power and supply voltage of the amplifier; and for the at least two of gain, phase and efficiency characteristics, generating a three-dimensional plot representing the characteristic with respect to input power and supply voltage applied to the amplifier, and in a use mode: using at least one of the three-dimensional plots to determine a shaping function for the shaping table in dependence on a primary system objective associated with one or more of gain, phase or efficiency; and using the determined shaping function and at least one of the three dimensional plots to determine the pre-distortion coefficients for the pre-distortion block to meet a secondary system objective associated with at least one of gain, phase or efficiency. | 03-05-2015 |
20150088445 | DYNAMIC CHARACTERISATION OF AMPLIFIER USING MULTIPLE ENVELOPE SHAPING FUNCTIONS - A method of characterizing an envelope tracking amplification stage, the method comprising: generating an input test waveform which is representative of an input waveform under normal operating conditions of the amplification stage; applying a respective one of a plurality of different shaping functions, each comprising a non-linear transfer function, to the input signal envelope in each of a plurality of test periods during the period in which the input test waveform is applied as the input signal to generate the input to the envelope tracking modulated supply voltage; measuring parameters of the amplification stage during the period in which the input test waveform is applied in order to allow determination of the gain, phase and efficiency characteristics of the amplifier; and for each of the gain, phase and efficiency characteristics, generating a three dimensional plot of the characteristic with respect to input power and supply voltage applied to the amplifier. | 03-26-2015 |
20150123733 | Power Control - An amplification stage comprising: an input scaling block for scaling an input signal in dependence on an input scaling factor to generate a scaled version of the input signal; a power amplifier for generating an amplified version of the scaled input signal; an envelope detector for generating a signal representing the envelope of the input signal; an envelope scaling block for scaling the envelope signal in dependence on an envelope scaling factor to generate a scaled version of the envelope signal; a non-linear mapping block for generating a voltage representative of the supply voltage in dependence on the scaled envelope signal; a modulator for generating a power supply voltage for the amplifier in dependence on the voltage generated by the non-linear mapping block; and a power control block for maintaining a linear relationship between the envelope scaling factor and the input scaling factor. | 05-07-2015 |
20150123735 | REDUCED BANDWITH OF SIGNAL IN AN ENVELOPE PATH FOR ENVELOPE TRACKING SYSTEM - An envelope tracking power amplifier system comprising an RF input path and an envelope path for providing a modulated power amplifier supply, further comprising a plurality of envelope detectors for detecting the envelope of a plurality of frequency bands of an input signal and each generating an output signal, and a combiner for combining the output of the envelope detectors. | 05-07-2015 |
20150130535 | Joint optimisation of supply and bias modulation - There is disclosed a technique for controlling at least one amplification stage, comprising: selecting a linearity objective for the amplification stage; in dependence on an input signal to said amplification stage, determining a combination of supply input and bias input for the amplification stage in order to meet said linearity objective; and in dependence on there being more than one combination of supply input and bias input for meeting the linearity objective, selecting the combination that optimises a further system performance objective for the amplification stage. The further system performance objective may be one or more of: an efficiency objective; an envelope signal bandwidth objective; or a robustness to production tolerance objective. | 05-14-2015 |
20150137893 | Parallel Correction Amplifier - A power supply stage and a method of controlling the same comprising: a means for generating an intermediate supply signal in dependence on a reference signal representing a desired power supply; and a plurality of adjusting means, each adapted to generate an adjusted supply signal tracking the reference signal, in dependence on the generated intermediate supply signal and the reference signal. | 05-21-2015 |
Patent application number | Description | Published |
20090287162 | Drive mechanisms suitable for use in drug delivery devices - The present disclosure is directed to a dose setting mechanism that may be used with a drug delivery device. The dose setting mechanism may include an inner body having a helical thread along an outer cylindrical surface of the inner body, and a drive sleeve for driving a piston rod in an axial direction, the drive sleeve positioned within at least a portion of the inner body. The dose setting mechanism may further include a dose dial sleeve rotatably engaged with the helical thread of the inner body and a dial grip connected to the dose dial sleeve and releasably connected to the drive sleeve. Further when a dose is set, the dial grip is rotated so that both the dose dial sleeve and the drive sleeve rotate with respect to the inner body. | 11-19-2009 |
20120123346 | MEDICATED MODULE WITH NEEDLE GUARD - A medicated module comprising a connecting body configured for attachment to a drug delivery device. A first needle is fixed within the connecting body and an outer body operatively coupled to the connecting body. A needle guard operatively coupled to the outer body and a biasing member positioned between the outer body and needle guard. A second needle fixed within the outer body and a recess within the connecting body defines a reservoir. The reservoir contains at least one dose of a medicament and is configured for fluid communication with the first and second needle. | 05-17-2012 |
20120220949 | MEDICATED MODULE WITH INTEGRAL FLOW DISTRIBUTION SYSTEM - A medicated module for an injection system to co-deliver at least two medicaments is disclosed where a primary delivery device containing a primary medicament accepts a medicated module containing a single dose of a secondary medicament contained within a capsule having an integral flow distributor/distribution system and where both medicaments are delivered through a single hollow needle. | 08-30-2012 |
20120226238 | MEDICATED MODULE WITH BYPASS AND NEEDLE GUARD - A medicated module attachable to a drug delivery device comprises a connecting body configured for attachment to the drug delivery device. A first needle is fixed within the connecting body and a movable needle hub is operatively coupled to the connecting body. A needle guard is operatively coupled to the connecting body and a biasing member is positioned between the connecting body and needle guard. A second needle is fixed within the needle hub. A first cavity within the connecting body defines a reservoir containing at least one dose of a medicament. The reservoir configured for fluid communication with the first and the second needle. The reservoir comprises a bypass configured to allow medicament from the drug delivery device to bypass the reservoir and exit the second needle. | 09-06-2012 |
20120330228 | DEVICE AND METHOD FOR DELIVERY OF TWO OR MORE DRUG AGENTS - A computerized electro-mechanical drug delivery device configured to deliver at least one dose of two or more medicaments. The device comprises a control unit. An electro-mechanical drive unit is operably coupled to the control unit and a primary reservoir for a first medicament and a secondary reservoir for a fluid agent, e.g. a second medicament. An operator interface is in communication with the control unit. A single dispense assembly is configured for fluid communication with the primary and the secondary reservoir. Activation of the operator panel sets a first dose from the primary reservoir and based on the first dose and a therapeutic dose profile, the control unit is configured to determine a dose or range of the fluid agent. Alternatively, the control unit determines or calculates a dose or range of a third medicament. Further, a dispense interface for use with a drug delivery device is disclosed. | 12-27-2012 |
20130041321 | MEDICATED MODULE WITH USER SELECTION - A medicated module for an injection system to co-deliver at least two medicaments is disclosed where a primary delivery device containing a primary medicament accepts a medicated module containing a single dose of a secondary medicament and where both medicaments are delivered through a hollow needle. The medicated module is user selectable so that it will deliver a priming dose of a primary medicament or both the primary and secondary medicaments. The module also contains a needle guard that locks after dose delivery. The needle guard prevents accidental needle sticks before and after an injection. A locking collar rotates during use as an inner protrusion follows three paths of a track located on the outer surface of a body housing. When the inner facing protrusion is in the third path, it encounters a hard stop and a rotational bias that locks the guard from further refraction and thus covers the sharp distal end of the needle. | 02-14-2013 |
20130079708 | ELECTRO-MECHANICAL DRUG DELIVERY DEVICE - An electro-mechanical drug delivery device comprises a main body having a distal end and a proximal end. The distal end is configured to attach to a dispense interface. A separable housing that can prevent an administration of a drug by the drug delivery device, the housing configured to cover at least a portion of the distal end of the main body when the separable housing is coupled to the main body of the drug delivery device. A conduction element is provided by the main body and configured for establishing an electrical connection with an electrical connector. Establishment of the electrical connection is prevented when the housing does not cover at least a portion of the distal end of the main body. The electrical connection may be established when the housing covers at least a portion of the distal end of the main body of the drug delivery device. | 03-28-2013 |
20140236093 | HANDHELD MEDICAMENT INJECTION DEVICE WITH ILLUMINATED DOSE BUTTON - A cartridge holder is presented having a first cartridge retainer, at least a second cartridge retainer and a locking device for each cartridge retainer, wherein each cartridge retainer is configured to receive a medicament reservoir and wherein each cartridge retainer is movable between a closed and an open position, wherein the locking devices are configured to lock and unlock the cartridge retainers in the closed position and wherein the locking devices are configured to operate such that only one of the cartridge retainers at a time is movable into the open position. An apparatus is also presented that has a main body and a cartridge holder, wherein the cartridge holder is removably attached to the main body. A method for inserting of a medicament reservoir in a cartridge holder or in an apparatus is also described. | 08-21-2014 |
Patent application number | Description | Published |
20110028911 | PEN-TYPE INJECTOR - The present invention relates to injectors, such as pen-type injectors, that provide for administration of medicinal products from a multidose cartridge and permit a user to set the delivery dose. The injector may include a housing, a cartridge containing medicinal product, the cartridge being retained within the housing, means for selecting a dose of medicinal product to be expelled, and means for expelling the selected dose of medicinal product. The housing may be a unitary housing within which the means for selecting a dose and the means for expelling the selected dose are moveably retained. Alternatively, the injector may include a housing, a piston rod, an insert located in the housing and through which the piston may rotate, ratchet means, a dose dial sleeve, a drive sleeve, a button located on the drive sleeve and rotatable with respect to the drive sleeve, and clutch means which upon depression of the button prevents rotation between the dose dial sleeve and the drive sleeve. | 02-03-2011 |
20110301550 | PEN-TYPE INJECTOR - The present invention relates to injectors, such as pen-type injectors, that provide for administration of medicinal products from a multidose cartridge and permit a user to set the delivery dose. The injector may include a housing, a cartridge containing medicinal product, the cartridge being retained within the housing, means for selecting a dose of medicinal product to be expelled, and means for expelling the selected dose of medicinal product. The housing may be a unitary housing within which the means for selecting a dose and the means for expelling the selected dose are moveably retained. Alternatively, the injector may include a housing, a piston rod, an insert located in the housing and through which the piston may rotate, ratchet means, a dose dial sleeve, a drive sleeve, a button located on the drive sleeve and rotatable with respect to the drive sleeve, and clutch means which upon depression of the button prevents rotation between the dose dial sleeve and the drive sleeve. | 12-08-2011 |
20120041386 | Pen-Type Injector - A pen-type injector is improved so that a user may select a delivery dose of medicinal product from a multidose cartridge. The injector includes a housing, a cartridge containing medicinal product retained within a housing, a piston rod, a dose selecting member to select a dose of medicinal product to be expelled, and a drive member to expel the selected dose of medicinal product. The housing is formed unitary so that the dose selecting member and the drive member are moveably retained within the housing. The injector may include ratchet means associated with the insert to ensure the piston rod only rotates in a single direction through the insert, a button located on the drive sleeve, and clutch means which upon depression of the button prevents rotation between the dose dial sleeve and the drive sleeve. | 02-16-2012 |
20120130346 | Medicated Module for a Drug Delivery Device - A medicated module ( | 05-24-2012 |
20120136316 | Medicated Module With User Selection - A medicated module ( | 05-31-2012 |
20120215176 | Drive Mechanisms Suitable for Use in Drug Delivery Devices - The present disclosure is directed to a dose setting mechanism that may be used with a drug delivery device. The dose setting mechanism may include an inner body having a helical thread along an outer cylindrical surface of the inner body, and a drive sleeve for driving a piston rod in an axial direction, the drive sleeve positioned within at least a portion of the inner body. The dose setting mechanism may further include a dose dial sleeve rotatably engaged with the helical thread of the inner body and a dial grip connected to the dose dial sleeve and releasably connected to the drive sleeve. Further when a dose is set, the dial grip is rotated so that both the dose dial sleeve and the drive sleeve rotate with respect to the inner body. | 08-23-2012 |
20130102969 | DRIVE MECHANISMS SUITABLE FOR USE IN DRUG DELIVERY DEVICES - The present disclosure is directed to a dose setting mechanism that may be used with a drug delivery device. The dose setting mechanism may include an inner body having a helical thread along an outer cylindrical surface of the inner body, and a drive sleeve for driving a piston rod in an axial direction, the drive sleeve positioned within at least a portion of the inner body. The dose setting mechanism may further include a dose dial sleeve rotatably engaged with the helical thread of the inner body and a dial grip connected to the dose dial sleeve and releasably connected to the drive sleeve. Further when a dose is set, the dial grip is rotated so that both the dose dial sleeve and the drive sleeve rotate with respect to the inner body. | 04-25-2013 |
20130218087 | DRUG DELIVERY SYSTEM - A method and system for delivering a user-settable dose of a first medicament and a non-user settable dose of a second medicament through a single dose setter and a single dispense interface. The drug delivery system includes a drug delivery device and a medicated module. The drug delivery device comprises a single dose setter operably connected to a primary reservoir containing the first medicament. The medicated module comprises (i) a collapsible feature holding the second medicament and (ii) the single dispense interface having an output needle. Further, the drug delivery device and medicated module are each configured such that the single dose setter is mechanically linked to the collapsible feature after attachment of the medicated module to the drug delivery device. | 08-22-2013 |
20130218089 | Medicated Module for Administering Fixed Dose - A medicated module attachable to a drug delivery device. The medicated module comprises a housing configured for attachment to a drug delivery device. The drug delivery device comprises a first medicament. A collapsible reservoir is contained within the housing. A pre-determined volume of a second medicament is contained within the reservoir. A needle arrangement is configured within the housing and the needle arrangement is arranged in fluid communication with the collapsible reservoir. A needle shroud may be configured, such that, during an injection step, the shroud acts on the reservoir to inject the second medicament. | 08-22-2013 |
20130218092 | METHOD AND SYSTEM FOR PREVENTING LEAKAGE OF A MEDICAMENT - A system to prevent leakage of a medicament in a medicated module is disclosed. The medicated module includes a medicated needle that holds a medicament. The medicated needle includes an engagement needle portion and an output needle portion in fluid communication with each other. The medicated module further includes a first seal and a second seal. A proximal end of the engagement needle portion partially pierces the first seal, and a distal end of the output needle portion partially pierces the second seal. | 08-22-2013 |
20130226080 | MEDICATED MODULE FOR A DRUG DELIVERY DEVICE - A method and system for dispensing a non-user settable dose of one medicament and a user-settable dose of a primary medicament. The system may include a medicated module attachable to a drug delivery device, the drug delivery device having a drug reservoir holding a first medicament. The medicated module includes a first needle, a second needle, a collapsible feature holding a second medicament, a biasing feature operably connected to the collapsible feature, and a valve system having a closed position and an open position. During dispense, the valve system transitions from the closed position to the open position, and the biasing feature compresses the collapsible feature to force the second medicament to flow from the collapsible feature to the second needle. | 08-29-2013 |
20130226086 | Medicated Module with Interlock - A medicated module attachable to a drug delivery device comprising a connecting body configured for attachment to the drug delivery device. A first needle held within a first needle hub of the connecting body and a second needle fixed within a second needle hub of the connecting body. A recess within the connecting body defining a reservoir. The reservoir containing at least one dose of a medicament and configured for fluid communication with the first needle. The connecting body further comprises a lockout feature that prevents the medicated module from being reconnected to the drug delivery device after the medicated module has been connected to the drug delivery device a first time. | 08-29-2013 |
20130226089 | Medicated Module for a Drug Delivery Device - A method and system for sequentially dispensing a non-user settable dose of one medicament followed by a user-settable dose of a primary medicament. The system may include a dual cross-section, floating piston arranged to facilitate first delivering all or substantially all of a given medicament (e.g., a secondary medicament) through an output needle and then thereafter delivering yet another medicament (e.g., a primary medicament) through the same output needle in a single injection step. The dual cross-section, floating piston of the system also reduces or limits ullage left in the medicated module relative to the amount of the secondary medicament dispensed from the system. | 08-29-2013 |
20130226143 | Medicated Module Having a Collapsible Feature - A system and method for priming a medicated module during attachment of the medicated module to a drug delivery device. The drug delivery device has a drug reservoir holding a first medicament. The medicated module includes an upper retention feature and a lower retention feature, wherein the upper retention feature is axially moveable relative to the lower retention feature. The medicated module also includes an engagement needle and an output needle, wherein the output needle is in fluid communication with the engagement needle. The module also includes a collapsible feature holding a second medicament, wherein the collapsible feature is operably connected to the upper retention feature. During attachment to the drug delivery device, (i) the upper retention feature moves axially relative to the lower retention feature, (ii) the collapsible feature collapses, and (iii) the engagement needle and the output needle are primed with the second medicament. | 08-29-2013 |
20130237922 | MEDICATED MODULE WITH DEFORMABLE MEMBRANE - A method and system for sequentially dispensing a non-user settable dose of one medicament followed by a user-settable dose of a primary medicament. A medicated module may be attachable to a drug delivery device and the drug delivery device may have a drug reservoir holding a first medicament. The medicated module includes a first needle, a second needle, a deformable membrane, and a second medicament. The deformable membrane facilitates sequential dosing of the second medicament followed by the first medicament. After the medicated module is attached to the drug delivery device, (i) the first needle is in fluid communication with the drug reservoir and (ii) the deformable membrane prevents fluid communication between the first and second needle. The deformable membrane prevents fluid communication between the first and second needle until substantially all of the second medicament is dispensed. | 09-12-2013 |
20140005603 | Dispense Interface for Use with a Drug Delivery Device for Delivery of Two or More Drug Agents | 01-02-2014 |
20140018743 | DRIVE MECHANISMS SUITABLE FOR USE IN DRUG DELIVERY DEVICES - The present disclosure is directed to a dose setting mechanism that may be used with a drug delivery device. The dose setting mechanism may include an inner body having a helical thread along an outer cylindrical surface of the inner body, and a drive sleeve for driving a piston rod in an axial direction, the drive sleeve positioned within at least a portion of the inner body. The dose setting mechanism may further include a dose dial sleeve rotatably engaged with the helical thread of the inner body and a dial grip connected to the dose dial sleeve and releasably connected to the drive sleeve. Further when a dose is set, the dial grip is rotated so that both the dose dial sleeve and the drive sleeve rotate with respect to the inner body. | 01-16-2014 |
20140039390 | LOCKOUT ELEMENT FOR DISPENSE INTERFACE - The invention is related to an apparatus comprising a dispense interface for use with a drug delivery device, the dispense interface comprising a lockout element being arranged at least partially between an outer body of the dispense interface and an inner body of the dispense interface and wherein the lockout element is configured to be removeably maintained in a first position, such that when the dispense interface is first attached and then removed from said drug delivery device, the lockout element moves into a second position, wherein the lockout element in the second position is configured to prevent said dispense interface from being reattached to a drug delivery device. | 02-06-2014 |
20140042741 | DISPENSE INTERFACE WITH LOCKOUT ELEMENT - The invention relates to a dispense interface for use with a drug delivery device with an inner body and with a lockout element, wherein the lockout element is coupled to the inner body, wherein the lockout element is movable from a receptive condition to a locked condition, wherein in the receptive condition the dispense interface is attachable to the drug delivery device, wherein in the locked condition the dispense interface is not-attachable to the drug delivery device and wherein the lockout element is configured to move from the receptive condition to the locked condition when said dispense interface is attached to and detached from said drug delivery device. The invention solves the technical problem of reducing the risk of reuse of a dispense interface, after it has already been used with a drug delivery device. | 02-13-2014 |
20140046267 | Z-Shaped Fluid Channel Arrangement - The invention is related to a manifold comprising at least two valve receptacles, further comprising a fluid groove arrangement comprising at least two fluid grooves, wherein a first fluid groove of the at least two fluid grooves has a starting point near a first valve receptacle of the at least two valve receptacles and an end point near a second valve receptacle of the at least two valve receptacles and wherein a second fluid groove of the at least two fluid grooves has a starting point near a second valve receptacle of the at least two valve receptacles. The invention is further related to an apparatus comprising a manifold of the aforementioned kind and further comprising an inner body of a dispense interface. | 02-13-2014 |
20140049041 | DISPENSE INTERFACE WITH LOCKOUT ELEMENT - The invention relates to a dispense interface for use with a drug delivery device with an inner body and with a lockout element, wherein the lockout element is coupled to the inner body, wherein the lockout element is movable from a receptive condition to a locked condition, wherein in the receptive condition the dispense interface is attachable to the drug delivery device, wherein in the locked condition the dispense interface is not-attachable to the drug delivery device and wherein the lockout element is configured to move from the receptive condition to the locked condition when said dispense interface is attached to and detached from said drug delivery device. The invention solves the technical problem of reducing the risk of reuse of a dispense interface, after it has already been used with a drug delivery device. | 02-20-2014 |
20140052077 | Connection for Medical Device - The invention faces the technical problem of providing a tight connection between a tube and an dispense interface, while at the same time the biocompatibility of the connection can be improved. The technical problem is solved by an apparatus comprising a tube configured to guide a medium and a dispense interface. The tube comprises a first opening and a second opening, while the dispense interface comprises a recess. The recess has a first opening and a second opening and the tube is at least in part inserted into the recess. The tube is permanently affixed to the dispense interface by a combination of an interference fit and an adhesive, such that the interference fit prevents the adhesive from contaminating the medium. | 02-20-2014 |
20140052079 | VALVE ARRANGEMENT FOR MEDICAL DEVICE - The invention faces the technical problem of reducing the uncertainty over exact doses ejected from a medical device and at the same time providing a homogeneous, but controlled mixture of at least two fluids while a simple production should be maintained. A medical device comprising a first valve, a second valve, a first pre-valve ullage, a second pre-valve ullage, a post-valve ullage with a first end and a second end and a needle is presented. The first pre-valve ullage is connected to the post-valve ullage by the first valve and the second pre-valve ullage is connected to the post-valve ullage by the second valve. A first fluid is guidable from the first pre-valve ullage to the post-valve ullage and a second fluid is guidable from the second pre-valve ullage to the post-valve ullage. | 02-20-2014 |
20140054295 | Joining Technology of a Dispense Interface - The present invention inter alia relates to an apparatus and a method. The apparatus comprises a body part and a cover part, wherein the body part and the cover part are configured to at least partially form a fluid channel between a surface of the body part and a surface of the cover part. The surfaces of the body part and the cover part may be facing surfaces. The method comprises manufacturing the apparatus according to the present invention. | 02-27-2014 |
20140066879 | Dispense Interface Assembly - The invention is related to an apparatus comprising an inner body of a dispense interface and a manifold, wherein the inner body comprises a recess configured to receive a distal needle from a distal end of the inner body, a first fluid reservoir and a second fluid reservoir, and wherein the manifold comprises a filling block configured to redirect flow, a fluid groove arrangement configured to provide a fluid connection to the filling block, wherein the inner body and the manifold are assembled such that there is formed a channel providing a fluid connection from the first fluid reservoir and the second fluid reservoir, respectively, via the fluid groove arrangement and the filling block to the recess. The invention is further related to a drug delivery device comprising an apparatus of the aforementioned kind | 03-06-2014 |
20140128817 | Medicated Module with User Selection - A medicated module ( | 05-08-2014 |
20140303555 | DISPENSE INTERFACE WITH LOCKOUT ELEMENT - The invention is related to an apparatus comprising a dispense interface comprising a lockout element for use with a drug delivery device, the lockout element comprising at least one spring component removeably maintained in a respective first position such that when the dispense interface is first attached and then removed from said drug delivery device, each spring component moves into a respective second position, which respective second position is configured to prevent said dispense interface from being reattached to a drug delivery device. | 10-09-2014 |
20140316343 | PEN-TYPE INJECTOR - A pen-type injector is improved so that a user may select a delivery dose of medicinal product from a multidose cartridge. The injector includes a housing, a cartridge containing medicinal product retained within a housing, a piston rod, a dose selecting member to select a dose of medicinal product to be expelled, and a drive member to expel the selected dose of medicinal product. The housing is formed unitary so that the dose selecting member and the drive member are moveably retained within the housing. The injector may include ratchet means associated with the insert to ensure the piston rod only rotates in a single direction through the insert, a button located on the drive sleeve, and clutch means which upon depression of the button prevents rotation between the dose dial sleeve and the drive sleeve. | 10-23-2014 |
20150018777 | DRIVE MECHANISMS SUITABLE FOR USE IN DRUG DELIVERY DEVICES - The present disclosure is directed to a dose setting mechanism that may be used with a drug delivery device. The dose setting mechanism may include an inner body having a helical thread along an outer cylindrical surface of the inner body, and a drive sleeve for driving a piston rod in an axial direction, the drive sleeve positioned within at least a portion of the inner body. The dose setting mechanism may further include a dose dial sleeve rotatably engaged with the helical thread of the inner body and a dial grip connected to the dose dial sleeve and releasably connected to the drive sleeve. Further when a dose is set, the dial grip is rotated so that both the dose dial sleeve and the drive sleeve rotate with respect to the inner body. | 01-15-2015 |