Piston Moved By Screw Or Rack Patents (Class 604/224)
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Patent number: 12102805Abstract: A medication injection pen comprises a dose set knob rotatable with respect to a housing to set a desired injection dose. The dose set knob comprises at least one internal thread. A leadscrew includes a thread element for advancing in a first direction via a corresponding thread engagement. A driver is rotationally fixed to the leadscrew and is rotatable in a first direction to rotate and advance the leadscrew in the first direction. The setback member is rotationally fixed to the driver. The dose stop member is rotationally coupled to the setback member and is axially movable relative to the dose set knob when the dose set knob is rotated relative to the setback member. Axial movement of the dose stop member limits the user from setting a dose that is greater than an injectable volume of medication remaining in a cartridge.Type: GrantFiled: March 5, 2021Date of Patent: October 1, 2024Assignee: Becton, Dickinson and CompanyInventors: Richard E. Cronenberg, Michael Quinn, Haiming Wu
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Patent number: 12090309Abstract: A needling system, for use in areas where thin hollow needles are used to inject or aspirate fluids and gases, is provided and comprises a thin, rigid tube body needle that is open on both ends and throughout the length with one sharp end. The needle body and hub are designed such that the needle has a ball end that fits within a socket of the hub forming a seal and allowing the needle to be oriented non-colinearly and non-parallel to the central axis of the hub. Needle orientation relative to the hub can be limited from a conical volume to a planar or multi planar angular orientations. The needle so configured allows the user to circumvent an obstacle that otherwise inhibit direct linear access to a point-of-interest by providing a device that can fit around or between obstructions providing optimal direct path towards the desired therapy delivery point.Type: GrantFiled: January 19, 2022Date of Patent: September 17, 2024Assignee: Jasperate, Inc.Inventors: David Weksel, Stephen Soloway, Charles S. Brunner
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Patent number: 12076538Abstract: An injection device for setting and injecting of a dose of a medicament includes: an acoustic feedback arrangement comprising: a first feedback element having a first engaging section and having a free end section located at a predetermined distance from the first engaging section, a second feedback element having a second engaging section configured to engage with the first engaging section, wherein the first feedback element is movable, pivotable or resiliently deformable along a first direction (d1) relative to the second feedback element from an initial state (i) towards a biased state (b), and a sound generator formed by the first engaging section or audibly engageable with the free end section of the first feedback element.Type: GrantFiled: October 3, 2022Date of Patent: September 3, 2024Assignee: SanofiInventors: Axel Teucher, Michael Jugl, Stefan Blancke
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Patent number: 11865316Abstract: A medication delivery device includes a disposable portion and a reusable portion. The disposable portion includes a therapeutic agent delivery assembly, and the therapeutic agent delivery assembly includes a needle. The therapeutic agent delivery assembly is translatable from a stowed configuration to a deployed configuration. The reusable portion includes a first rack and pinion mechanism and a second rack and pinion mechanism. The first rack and pinion mechanism is actuatable to translate the therapeutic agent delivery assembly from the stowed configuration to the deployed configuration. The second rack and pinion mechanism is actuatable to translate a plunger and thereby cause the therapeutic agent delivery assembly to deliver a therapeutic agent from the needle.Type: GrantFiled: October 22, 2021Date of Patent: January 9, 2024Assignee: ELI LILLY AND COMPANYInventors: Matthew David Backfish, Murat Günay
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Patent number: 11779709Abstract: A supplemental device for attachment to an injection device, the supplemental device having a housing containing at least two electromechanical switches each having an open state and a closed state and a protrusion associated with each switch configured to protrude from the housing so as to contact a rotatable surface of the injection device while the supplemental device is attached to the injection device; and a processor arrangement configured to detect a change in the state of each of the switches; and to determine a direction of rotation of the rotatable surface of the injection device from the detected state changes.Type: GrantFiled: April 25, 2022Date of Patent: October 10, 2023Assignee: Sanofi-Aventis Deutschland GMBHInventors: Robert Veasey, David Aubrey Plumptre, Paul Richard Draper, David Richard Mercer
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Patent number: 11664106Abstract: A pump for administering an agent to a patient includes a housing, a motor, a gearbox, a sensor, and a controller. The motor may be coupled to housing. The gearbox is operatively connected to the motor. The sensor senses a rotation of the motor. The controller acts to control operation of the motor and monitor the quantity of the agent delivered to the patient. The pump also includes a pump assembly such that the pump is configured such that the pump assembly may be interchangeable from a syringe pump assembly and a peristaltic pump assembly.Type: GrantFiled: February 15, 2019Date of Patent: May 30, 2023Assignee: DEKA Products Limited PartnershipInventors: Dean Kamen, Larry B. Gray, Jesse T. Bodwell, John M. Kerwin, Michael J. Baier, Dirk A. van der Merwe
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Patent number: 11633545Abstract: Apparatus and methods for medicament delivery. The apparatus may include, and the methods may involve, a delivery device for delivering a target amount of the medicament from a distal end of the device. The device may include a rod for moving a plunger that discharges the medicament from the distal end. The device may avoid or reduce deformation of the plunger during the discharge. The plunger motion may be stopped by detent that interacts with the rod. The apparatus and the methods may provide an operator indication of progress of stages of operation. The device may feature triggers corresponding to stages of medicament displacement from the device, such as pre-delivery stages, including priming.Type: GrantFiled: July 17, 2020Date of Patent: April 25, 2023Assignee: Genentech, Inc.Inventors: Lionel Vedrine, Steven N. Roe, Mukund Patel
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Patent number: 11517680Abstract: An injection device for setting and injecting of a dose of a medicament includes: an acoustic feedback arrangement comprising: a first feedback element having a first engaging section and having a free end section located at a predetermined distance from the first engaging section, a second feedback element having a second engaging section configured to engage with the first engaging section, wherein the first feedback element is movable, pivotable or resiliently deformable along a first direction (d1) relative to the second feedback element from an initial state (i) towards a biased state (b), and a sound generator formed by the first engaging section or audibly engageable with the free end section of the first feedback element.Type: GrantFiled: March 12, 2018Date of Patent: December 6, 2022Assignee: SanofiInventors: Axel Teucher, Michael Jugl, Stefan Blancke
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Patent number: 11458257Abstract: An injection device having a delivery element with an inner thread may be driven by rotation and includes a cylindrical outer wall region, which is substantially smooth. Such features provide a delivery element configured such that it is less intimidating to patients than known threaded rods, and may facilitate easy cleaning. The delivery element may be non-rotatably guided and axially spring-loaded, and may be inserted axially into the housing when the reservoir is replaced. The driving thread element for the delivery element may be mounted in the vicinity of the distal end of the housing.Type: GrantFiled: April 22, 2019Date of Patent: October 4, 2022Assignee: Ypsomed AGInventors: Philippe Kohlbrenner, Peter Stettler, Patrick Hostettler, Juergen Wittmann, Martin Wittwer
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Patent number: 11439768Abstract: A compartmentalized syringe configured to retain both the medicine and the flushing solution in the same housing. At least one smaller fluid or solid containing container will be added inside the flush housing and will separate its content(s) from other fluids or solids inside the flush housing. The shape of the housing and inner containers can be similar with the outer syringe flush with channels to facilitate the flow of fluids and they can also be of different shapes which will automatically create channels to allow the flow of fluid. An opening in the syringe plunger configured to receive a medicine vial.Type: GrantFiled: July 16, 2020Date of Patent: September 13, 2022Inventor: Wagner Florexil
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Patent number: 11406762Abstract: A drug delivery device comprising a housing body; a piston rod configured to rotate in a rotational direction during dose dispensing under a driving force; and a threaded insert, wherein the piston rod is in threaded engagement with the threaded insert such that during the dose dispensing. the piston rod displaces axially in a distal direction relative to the threaded insert for displacement of a cartridge hung. The threaded insert is movable relative to a stop provided in the housing body and a spring is provided to bias the threaded insert against the stop so that the rotation of the piston rod causes the threaded insert to move away from the stop in response to reaction forces, induced by the cartridge bung into the threaded insert, acting on the piston rod in a proximal direction when the reaction forces exceed a biasing force of the spring.Type: GrantFiled: June 30, 2017Date of Patent: August 9, 2022Assignee: SanofiInventors: Markus Ploch, Aled Meredydd James, Anthony Paul Morris, Matthew Meredith Jones, Oliver Charles Gazeley, Robert Veasey, David Aubrey Plumptre
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Patent number: 11253654Abstract: An injection device (1) for the delivery of medicament has an indicator (50) for providing an end of dose indication. The device comprises a housing (10), an extendable plunger (40), an actuation mechanism (30), a trigger arrangement (15), and an indicator (50). The extendable plunger (40) comprises a leading portion (42) and a trailing portion (48) configured to allow the plunger (40) to extend from an initial length to a maximum extended length, the plunger portions ((42),48) being slidably mounted within the housing (10). The actuation mechanism (30) is configured to move the leading portion (42) of the plunger (40) forwardly relative to a syringe (20) so as to express medicament from the syringe (20). The trigger arrangement (15) is moveable in use to release the actuation mechanism (30).Type: GrantFiled: October 2, 2017Date of Patent: February 22, 2022Assignee: Owen Mumford LimitedInventor: Tahir Shabudin
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Patent number: 11246995Abstract: A needling system, for use in areas where thin hollow needles are used to inject or aspirate fluids and gases, is provided and comprises a thin, rigid tube body needle that is open on both ends and throughout the length with one sharp end. The needle body and hub are designed such that the needle has a ball end that fits within a socket of the hub, forming a seal and allowing the needle to be oriented non-colinearly and non-parallel to the central axis of the hub. Needle orientation, relative to the hub, can be limited from a conical volume to a planar or multi planar angular orientations. The needle so configured allows the user to circumvent an obstacle that otherwise inhibits direct linear access to a point-of-interest by providing a device that can fit around or between obstructions providing optimal direct path towards the desired therapy delivery point.Type: GrantFiled: April 2, 2018Date of Patent: February 15, 2022Assignee: Jasperate, Inc.Inventors: David Weksel, Stephen Soloway, Charles S. Brunner
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Patent number: 11160929Abstract: Auto-injectors and associated assemblies and methods for delivery of medicament in a controlled manner are disclosed herein.Type: GrantFiled: June 27, 2016Date of Patent: November 2, 2021Assignee: QuiO Technologies LLCInventor: Alexander Dahmani
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Patent number: 11071832Abstract: An injection device comprising: a housing arranged to contain a medicament cartridge; a needle holder holding an injection needle; a generally tubular needle sleeve fixed with respect to the needle holder and axially movable with respect to the housing; and a gear assembly comprising a rotary gear fixed to the needle holder, a first gear rack disposed on the needle sleeve and a second gear rack disposed on the housing, wherein the gear assembly is arranged so that movement of the needle sleeve in a proximal axial direction causes movement of the needle holder in the proximal axial direction.Type: GrantFiled: November 21, 2016Date of Patent: July 27, 2021Assignee: Sanofi-Aventis Deutschland GMBHInventors: Marc Schader, Michael Helmer, Peter Nober
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Patent number: 11007056Abstract: A delivery device for a collapsible prosthetic heart valve may include an operating handle and a catheter assembly. The handle may include a housing, a piston cylinder, a piston longitudinally slidable within the piston cylinder, the piston and the piston cylinder together defining at least one pressure chamber, a deployment actuator coupled to the housing and rotatable relative thereto, and a pneumatic switch adapted to provide a pressurized fluid to the pressure chamber to apply a longitudinal force to the piston. The catheter assembly may include a first shaft around which a valve-receiving compartment is defined, the first shaft being operatively connected to the housing, and a distal sheath operatively connected to the piston, the distal sheath being moveable between a closed condition covering the compartment and an open condition uncovering the compartment. Longitudinal movement of the piston may move the distal sheath between the closed and open conditions.Type: GrantFiled: April 18, 2019Date of Patent: May 18, 2021Assignee: St. Jude Medical, Cardiology Division, Inc.Inventor: Michael Shane Morrissey
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Patent number: 10888668Abstract: The disclosure relates to a drug delivery device including a plunger disposed within a case and an audible indicator that comprises a resilient element. The plunger is slidable from a proximal position to a distal position within the case and the resilient element is in a first configuration when the plunger is in the proximal position, such that the resilient element is deflected radially outwards to a second configuration during movement of the plunger from the proximal position towards the distal position. The resilient element moves from the second configuration towards the first configuration when the plunger moves towards or reaches the distal position, thereby generating an audible and tactile signal.Type: GrantFiled: June 2, 2016Date of Patent: January 12, 2021Assignee: Sanofi-Aventis Deutschland GMBHInventors: Carsten Mosebach, Thomas Mark Kemp
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Patent number: 10842945Abstract: A drug delivery device is provided having a housing, a lead screw that is rotatably fixed with respect to the housing during dose setting and during dose delivery and that is axially moveable in a delivery direction relative to the housing for dose delivery, a number sleeve threadedly engaged with the housing to be screwable relative to the housing, and a dial link which is axially moveable and rotatable with respect to the housing for dose setting and which is prevented from rotation with respect to the housing for dose delivery. The dial link is rotatably fixed with the number sleeve when the dial link and the number sleeve are in a first arrangement, and the number sleeve and the dial link are rotatable with respect to one another when the dial link and the number sleeve are in a second arrangement.Type: GrantFiled: November 17, 2014Date of Patent: November 24, 2020Assignee: Sanofi-Aventis Deutschland GMBHInventors: Stefan Blancke, Axel Teucher
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Patent number: 10765242Abstract: A dispenser includes a body (10) the body including an asymmetric shape corresponding to a flattened product pouch. The body includes a row of teeth (42) extending longitudinally along the bottom of the body. A grip (28) is slidingly engaged with a bottom of the body and is coupled to a squeeze pusher (32) disposed within the interior space of the body. An actuator arm (30) is movably attached to the grip. A drive mechanism is movably attached to the actuator and is engageable with the row of teeth. For dispensing, movement of the actuator causes a corresponding movement of the drive mechanism which causes the grip and squeeze pusher to move relative to the body in a direction from the proximal end to the dispensing end, thus applying pressure to the pouch.Type: GrantFiled: October 18, 2017Date of Patent: September 8, 2020Assignee: Cryovac, LLCInventors: Hubert Cook, David Ackerman, Steve Schwarz, Edward Jones
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Patent number: 10744270Abstract: A dose setting mechanism comprising a first element and a second element; the first element being moveable with respect to the second element; the first element and the second element being coupled by a ratchet mechanism allowing motion of the first element with respect to the second element from a first position to a second position only in a first direction while preventing motion in a second direction that is opposite to the first direction; once passing the second position, the first element being moveable with respect to the second element in the first direction and in the second direction.Type: GrantFiled: November 24, 2015Date of Patent: August 18, 2020Assignee: SanofiInventors: Richard James Vincent Avery, Matthew Meredith Jones, William Geoffrey Arthur Marsh, Anthony Paul Morris, David Aubrey Plumptre, Samuel Keir Steel, Robert Frederick Veasey
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Patent number: 10722656Abstract: The invention relates to a piston rod drive arrangement for an injection device used for self-administration of a plurality of individually set doses. The drive arrangement is made from a first element (10) mating the non-circular cross-section (3) of a piston rod (1) and a second element (20) having an inner thread (21) mating the outer thread of the piston rod. Whenever the first element (10) and the second element (20) are rotated in relation to each other the piston rod (1) is moved in an axial direction. In order to minimise the play in the threaded connection a resilient element (23) is proved to apply a force to the piston rod (1) in a longitudinal direction.Type: GrantFiled: January 25, 2016Date of Patent: July 28, 2020Assignee: Novo Nordisk A/SInventor: Simon Munch Pedersen
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Patent number: 10688289Abstract: This application is generally related to systems and methods for accessing the paranasal sinuses and other passages of the nose, ear, and throat. The systems and methods generally employ devices capable of maintaining a fixed handle orientation with respect to the patient while generating the appropriate applicator deflection angle required to rotationally align or orient the applicator tip to the intended target tissue/anatomy for treatment. Methods are also described for deploying drug delivery devices within these body structures using the systems to treat medical conditions associated therewith.Type: GrantFiled: June 10, 2019Date of Patent: June 23, 2020Assignee: Intersect ENT, Inc.Inventors: Sean Finson, John Joseph Stankus
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Patent number: 10639428Abstract: The present disclosure is generally directed to a drug delivery device for selecting and dispensing a number of user variable doses of a medicament and to an insert for such a device. The insert comprises a cup-shaped body with a distal end and a proximal end. The body has a sidewall and a tube which extends centrally through the cup-shaped body in a longitudinal direction, thereby defining an annular space between the sidewall and the tube. The annular space is open in the proximal direction for receiving a compression spring. The tube comprises a thread provided at an inner surface of the tube. Further, the tube, the sidewall and/or a second part comprise a clutch feature for rotationally constraining a component part to the insert.Type: GrantFiled: October 9, 2015Date of Patent: May 5, 2020Assignee: SanofiInventor: Anthony Paul Morris
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Patent number: 10525203Abstract: An autoinjector comprising a body (1, 2), and a reservoir (S) containing fluid and including a piston (P) and a needle (A), such as a pre-filled syringe, said autoinjector further comprising a piston rod (5) that is suitable for co-operating with the piston (P) of said reservoir (S), said piston rod (5) being movable between a rest position and an injection position in which said piston rod (5) has moved the piston (P) of the reservoir (S) so as to inject the fluid through the needle (A), an actuator spring (6) being provided so as to urge said piston rod (5) towards its injection position, the autoinjector further comprising a force-adjustment system (7, 8) that exerts a force (F2) on said piston rod (5), said force (F2) adding to the force exerted by said actuator spring (6) on said piston rod (5) at the beginning of injection, so as to amplify the force exerted on said piston (P) by said piston rod (5) at the beginning of injection.Type: GrantFiled: July 4, 2014Date of Patent: January 7, 2020Assignee: APTAR FRANCE SASInventor: David Fabien
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Patent number: 10512732Abstract: An assembly for a drug delivery device and an associated drug delivery device are provided. The device has a drug delivery device housing and a medicament contained in the drug delivery device housing. A clutch is established between the dose knob and the dial link to prevent inadvertent proximal axial movement of the lead screw away from the cartridge piston, which can lead to dosing inaccuracies.Type: GrantFiled: November 17, 2014Date of Patent: December 24, 2019Assignee: Sanofi-Aventis Deutschland GMBHInventors: Stefan Blancke, Axel Teucher
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Patent number: 10391253Abstract: Precision low-dose, low-waste syringe configurations have a reduced diameter lumen for dispensing 0.01 ml increments of contents. Plunger and lumen configurations and a needle interface eliminate dead space. Ergonomic attachments improve the control and precision of delivery of syringes. An attachment main body includes a gripping surface to permit a user to engage the attachment and move the attachment main body, and thus the syringe plunger relative to the syringe barrel using sliding movement. Optical enhancement features are provided on the attachment to improve the readability of gradations and plunger position. The attachment may be provided with an assist feature, which may be a traction wheel mounted on the attachment body. An alternative configuration suitable for syringe contents of higher viscosity may include a pair of toothed pinion gears on a wheel and which cooperate with respective toothed racks formed on or fastened to the syringe body.Type: GrantFiled: August 31, 2018Date of Patent: August 27, 2019Assignee: InnoMed Technologies, Inc.Inventors: John H. Joseph, Minh Bui, Rod Peterson
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Patent number: 10391255Abstract: An apparatus and methods for tracking administering of medication by syringes is provided. The apparatus may include a plunger head for a syringe. The plunger head may include a transducer that sends and receives ultrasonic signals. The plunger may also include an antenna and a microcontroller that interfaces with the transducer and the antenna. The plunger may also include a power source that powers the microcontroller and the transducer. The transducer, the antenna, the microcontroller, and the power source may be at least partially encapsulated in an elastomer housing that fits within a barrel of the syringe. The microcontroller may be programmed with instructions to calculate data representative of the quantity of medication dispensed from the barrel and transmit the data to a remote device via the antenna.Type: GrantFiled: November 30, 2017Date of Patent: August 27, 2019Assignee: Verily Life Sciences LLCInventors: Benjamin David Krasnow, Peter Howard Smith, Travis Deyle, Russell Mirov
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Patent number: 10376647Abstract: An injection assembly includes a housing with a barrel positioned within the housing. The barrel includes an axis extending from a proximal end to a distal end thereof and a chamber for storing medicine. An elongate anti-rotation shaft is rotationally fixed to the housing and has a non-circular cross-section. The injection assembly includes an inner screw having an inner screw opening to complementarily receive the anti-rotation shaft to prevent rotation of the inner screw with respect to the anti-rotation shaft but allow respective linear translation along the axis. An outer screw is positioned within, and rotatable with respect to, the housing and has an outer screw opening to threadably receive the inner screw, wherein rotation of the outer screw translates the inner screw along the axis and along the anti-rotation shaft. A plunger is coupled to the distal end of the inner screw and is moveable with respect to the chamber to push the medicine out of the chamber when the outer screw is rotated.Type: GrantFiled: March 18, 2016Date of Patent: August 13, 2019Assignee: West Pharma. Services IL, Ltd.Inventors: Jason W. Farris, Jorge Santos, Tommy Gene Davis
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Patent number: 10300205Abstract: An autoinjector having a body (1; 2), a reservoir (S), a piston (P), a needle (A), and a piston rod (5) co-operating with the piston. The piston rod is movable between a first rest position, a second pricking position, and a third injection position. An actuator spring (6) is provided to urge the piston rod towards its pricking position and then towards its injection position. A force-adjustment system (7, 8) exerts a force (F1, F2) on the piston rod (5). The force (F1) opposes the force exerted by the actuator spring at the end of pricking to decrease the force exerted on the reservoir by the piston rod at the end of pricking, and the force (F2) adding to the force exerted by the actuator spring at the beginning of injection, to amplify the force exerted on the piston by the piston rod at the beginning of injection.Type: GrantFiled: July 4, 2014Date of Patent: May 28, 2019Assignee: APTAR FRANCE SASInventor: David Fabien
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Patent number: 10300207Abstract: A dispensing mechanism for delivering a dosage of medicament including a housing having a proximal-distal axis; a plunger rod having a screw thread and configured to advance along the proximal-distal axis relative to the housing; a user-operable push button moveable along the proximal-distal axis relative to the housing; a twist driver threadably engaged with the push button such that movement of the push button towards the distal end of the housing causes rotation of the twist driver about the proximal-distal axis; and a driver engaged with the twist driver such that rotation of the twist driver causes rotation of the driver, the driver also engaged with a portion of the plunger rod such that rotation of the driver causes rotation of the plunger rod, advancing the plunger rod along the proximal-distal axis relative to the housing.Type: GrantFiled: March 12, 2014Date of Patent: May 28, 2019Assignee: ANTARES PHARMA, INC.Inventors: Benjamin Newton, Patrick Madsen, Matthew Rust, Janice Cox
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Patent number: 10188801Abstract: A dose setting mechanism having a locking mechanism for preventing selection of a dose in a drug delivery device is disclosed. The dose setting mechanism includes a locking mechanism that prevents movement of the dose setting mechanism. When a correct cartridge is inserted into the drug delivery device, the locking mechanism unlocks so as to allow movement of the dose setting mechanism. In one arrangement, the locking mechanism prevents rotation of the dose setting mechanism.Type: GrantFiled: August 11, 2011Date of Patent: January 29, 2019Assignee: Sanofi-Aventis Deutschland GmbHInventors: Joseph Butler, Richard James Vincent Avery
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Patent number: 9962494Abstract: A method and an assembly for providing a drug delivery device is presented. The assembly includes a housing and an end of dose feedback connection provides the user with an audible and/or tactile signal to indicate that the drug delivery is completed. A first section of the end of dose feedback connection is located on a distal portion of an inner sleeve and a second section of the end of dose feedback connection is located on the mid-body.Type: GrantFiled: November 17, 2014Date of Patent: May 8, 2018Assignee: SANOFI-AVENTIS DEUTSCHLAND GMBHInventors: Stefan Blancke, Axel Teucher, Michael Jugl, Christiane Schneider
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Patent number: 9897980Abstract: A drug delivery device comprising; a housing; a cylindrical member configured to be rotatably supported inside the housing, wherein the outer surface of the cylindrical member is provided with a track comprising a sequence of encoded images; and a sensor directed at the track of the cylindrical member and configured to detect features of the encoded images.Type: GrantFiled: July 12, 2012Date of Patent: February 20, 2018Assignee: Sanofi-Aventis Deutschland GmbHInventors: Paul Richard Draper, Joseph Butler, Barry Yates, Stephens Francis Gilmore
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Patent number: 9744310Abstract: The pharmaceutical injection device includes a pharmaceutical syringe mounting portion (3) provided within a main body case (2) and to which a pharmaceutical syringe (4) is removably mounted, a piston (5) provided movably with respect to the pharmaceutical syringe (4) mounted to the pharmaceutical syringe mounting portion (3), a drive mechanism (6) for driving the piston (5), a controller (7) that is electrically connected to the drive mechanism (6), a display section (35) that is connected to the controller (7), and an encoder (26) that is connected to the controller (7) and detects the amount of the pharmaceutical remaining inside the pharmaceutical syringe (4). The controller (7) displays a warning on the display section (35) recommending removal of the pharmaceutical syringe (4) from the pharmaceutical syringe mounting portion (3) when the presence of a pharmaceutical is detected by the encoder (26).Type: GrantFiled: September 10, 2012Date of Patent: August 29, 2017Assignees: PANASONIC HEALTHCARE CO., LTD., JCR PHARMACEUTICALS CO., LTD.Inventors: Tsuguhiro Kondoh, Seiji Kikuchi, Takashi Hanada
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Patent number: 9700679Abstract: The drive mechanism for a drug delivery device comprises a piston rod, which is displaced in a distal direction for a delivery of a dose and in a proximal direction for a reset, and a resilient member, which acts on the piston rod during a reset and tends to restrict the movement of the piston rod in the proximal direction. The resilient member may be a biasing member provided for an automatic reset, a compression spring entering the piston rod or a torsion spring provided to generate a rotation. The drug delivery device is provided with such a drive mechanism.Type: GrantFiled: May 28, 2013Date of Patent: July 11, 2017Assignee: SANOFI-AVENTIS DEUTSCHLAND GMBHInventors: Stephen David Butler, Mark Philip Horlock
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Patent number: 9669166Abstract: The present invention provides a disposable syringe and a push rod for use in a disposable syringe. The push rod comprises a proximal end, a distal end and an axis extending through the proximal end and the distal end. The distal end of the push rod is provided with a snap-fitting mechanism and a stop flange located at a proximal side of the snap-fitting mechanism. The stop flange comprises a main body portion formed about an axis of the push rod and a plurality of finger-like portions extending from the main body portion in a direction away from the axis of the push rod. According to the present invention, a smaller push force continues to be applied to the push rod upon completion of the injection, thereby achieving an additional stroke needed when the distal end of the push rod snap-fits with the needle seat and meanwhile lessening the patient's pains.Type: GrantFiled: December 28, 2012Date of Patent: June 6, 2017Assignee: SOL-MILLENNIUM MEDICAL HK LIMITEDInventor: Zuoqian Lin
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Patent number: 9579466Abstract: A drive assembly (70) for a drug delivery device (1) comprises a rotation member (21) being configured to be rotated in a first direction (44) during setting of a dose of a drug and to be rotated in a second direction (47) during delivery of the dose, a drive component (20) being configured to follow rotational movement of the rotation member (21) in the second direction (47) during delivery of the dose and a stop member (26) being configured to prevent rotational movement of the drive component (20) in the first direction (44). The drive component (20) comprises a first drive part (71) and a second drive part (72), coupled to each other such that relative rotational movement of the first and second drive parts (71, 72) is prevented and relative axial movement is permitted.Type: GrantFiled: August 24, 2015Date of Patent: February 28, 2017Assignee: Sanofi-Aventis Deutschland GmbHInventors: Christopher James Smith, Stephen David Butler, Mark Philip Horlock
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Patent number: 9572940Abstract: A drive assembly for a medication delivery device is provided which is switchable from an operational state to a resetting state and which comprises: a housing having a proximal end and a distal end, a drive member adapted to be rotated with respect to the housing, and a stop member adapted to prevent rotational movement of the drive member in a first direction with respect to the housing and to permit rotational movement of the drive member in a second direction with respect to the housing, the second direction being opposite to the first direction. In the operational state of the drive assembly the stop member is held in engagement with the drive member, and for switching into the resetting state of the drive assembly the stop member is enabled to disengage from the drive member caused by gravity due to the weight of the stop member.Type: GrantFiled: June 9, 2011Date of Patent: February 21, 2017Assignee: SANOFI-AVENTIS DEUTSCHLAND GMBHInventor: Mark Philip Horlock
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Patent number: 9555195Abstract: A drive assembly for a drug delivery device comprises a rotation member being configured to be rotated in a first direction during setting of a dose of a drug and to be rotated in a second direction during delivery of the dose, a drive component being configured to follow rotational movement of the rotation member in the second direction during delivery of the dose and a stop member being configured to prevent rotational movement of the drive component in the first direction. The drive component comprises a first drive part and a second drive part, coupled to each other such that relative rotational movement of the first and second drive parts is prevented and relative axial movement is permitted.Type: GrantFiled: June 9, 2011Date of Patent: January 31, 2017Assignee: Sanofi-Aventis Deutschland GmbHInventors: Christopher James Smith, Stephen David Butler, Mark Philip Horlock
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Patent number: 9526840Abstract: A mechanism in the body is used to drive a piston rod and comprises means for guiding the movement of the piston rod relatively to the body while delivering the drug. Further means are provided for releasing the piston rod from the means for guiding the movement, thus enabling a reset of the piston rod to a start position, especially after the receptacle has been emptied and is to be refilled. The device is constructed in such a manner that a reset of the piston rod is facilitated.Type: GrantFiled: March 31, 2010Date of Patent: December 27, 2016Assignee: SANOFI-AVENTIS DEUTSCHLAND GMBHInventors: Michael Harms, Volker Korger, Uwe Dasbach, Steffen Raab
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Patent number: 9302047Abstract: A medicament delivery device includes a generally elongated tubular housing having opposite proximal and distal parts; a needle shield sleeve slidably and coaxially arranged inside the housing with a proximal part of the sleeve protruding a distance outside the proximal part of the housing; a syringe carrier mechanism having a syringe carrier slidably and coaxially arranged within the needle shield sleeve, a syringe having a stopper, a medicament, and a needle, the syringe being coaxially arranged within the syringe carrier; and a holding member connected to the syringe carrier; a first activator member and a second activator member; a drive mechanism adapted to accumulate a drive force for moving the syringe carrier mechanism in a first step and a second step. The second activator member is arranged with an information device for producing audible, visual, and/or tactile feedback to a user about a completed injection.Type: GrantFiled: April 8, 2013Date of Patent: April 5, 2016Assignee: SHL Group ABInventor: Oscar Alexandersson
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Patent number: 9186465Abstract: The present invention relates to electronically assisted drug delivery devices (100). The drug delivery device may include a Gray code type detector for sensing dosage data, wherein the detector comprises a code track consisting of a sequence of alternating markings and a plurality of detectors that are mutually spaced in a direction extending along the code track. The drug delivery device may also include a dosage selector (260) which is moved in a proximal direction upon dose setting and in a distal direction upon dose injection, where the dosage selector is latched in the end of dose position by a latching element, the latching element actuating an end of dose switch for signalling the end of dose state. The drug delivery device may also incorporate power-management arrangements which effectively minimizes power consumption for the incorporated electronic circuitry.Type: GrantFiled: November 5, 2009Date of Patent: November 17, 2015Assignee: Novo Nordisk A/SInventors: Bjarke Dupont Jørgensen, Jan Lindhardt Petersen, Steven Linnebjerg, Henrik Groth Ludvigsen, Michael Ejstrup Hansen, Erik Beyerholm, Ramin Nateghi Elahi
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Patent number: 9180255Abstract: A resettable drive assembly for a drug delivery device (1) is provided. The drive assembly comprises a drive unit (3) for driving a piston rod (5) in a dispense operation of the device (1). The drive unit (3) comprises a first drive member (35), a second drive member (37) and locking means preventing a relative rotational movement of the first (35) and the second drive member (37) during a dispense operation and allowing a relative rotational movement for enabling a resetting of the device (1). Moreover, a drug delivery device (1) comprising a resettable drive assembly is provided.Type: GrantFiled: September 29, 2010Date of Patent: November 10, 2015Assignee: Sanofi-Aventis Deutschland GmbHInventors: Garen Kouyoumjian, Robert Veasey, David Plumptre, Christopher Jones, Catherine Anne MacDonald, James May
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Patent number: 9144649Abstract: A dose setting mechanism for a drug delivery device is provided comprising a dose setting member, a drive member, a clutch, a first clicker and second clicker. The first clutch and a second clutch are designed and adapted to each other such that at any time during operation either the first clutch rotationally couples the dose setting member and the drive member and/or the second clutch rotationally couples the drive member and the first clicker component. Further, the invention refers to an injection device with such a dose setting mechanism.Type: GrantFiled: March 22, 2012Date of Patent: September 29, 2015Assignee: SANOFI-ADVENTIS DEUTSCHLAND GMBHInventor: David Aubrey Plumptre
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Patent number: 9132236Abstract: The invention relates to an injection device comprising a housing, a container holder arranged within said housing, the container holder being configured for accommodating a medicament container having a needle attached to one end thereof and a stopper sealingly and slidable arranged inside the medicament container at the other end thereof, a drive unit comprising a plunger rod and plunger drive means, the plunger drive means being slidable arranged in relation to the plunger rod, being rotationally locked to the plunger rod and being rotatable in relation to the housing, said drive unit further comprising a first energy accumulating member arranged in the interior of the housing of the injection device and adapted to accumulate and store energy, wherein said plunger drive means is operationally associated with said first energy accumulating member, wherein the plunger drive means is releasable such that due to an output torque from said first energy accumulating member, the plunger drive means are allowed toType: GrantFiled: June 7, 2012Date of Patent: September 15, 2015Assignee: SHL Group ABInventors: Anders Karlsson, Stephan Olson
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Publication number: 20150088079Abstract: The drive mechanism for a drug delivery device comprises a piston rod, which is displaced in a distal direction for a delivery of a dose and in a proximal direction for a reset, and a resilient member, which acts on the piston rod during a reset and tends to restrict the movement of the piston rod in the proximal direction. The resilient member may be a biasing member provided for an automatic reset, a compression spring entering the piston rod or a torsion spring provided to generate a rotation. The drug delivery device is provided with such a drive mechanism.Type: ApplicationFiled: May 28, 2013Publication date: March 26, 2015Inventors: Stephen David Butler, Mark Philip Horlock
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Patent number: 8986259Abstract: Various embodiments of piston rod assemblies, drug delivery devices making use of such piston rod assemblies, and methods for assembling such piston rod assemblies and drug delivery devices are provided. In one embodiment, a piston rod assembly for a drug delivery device is provided, wherein the piston rod assembly is configured to engage a piston of a medicament cartridge. The piston rod assembly comprises (i) a piston rod, (ii) at least one adjusting member displaceably engaged with a distal end section of the piston rod, wherein the at least one adjusting member is displaceable along a long axis of the piston rod, and (iii) at least one interlock member configured to mutually lock the at least one adjusting member and the piston rod in an arbitrary relative axial position.Type: GrantFiled: June 1, 2010Date of Patent: March 24, 2015Assignee: Sanofi-Aventis Deutschland GmbHInventors: Michael Helmer, Christoph Eissengarthen, Winfried Huthmacher, Carsten Mosebach, Leo Zeimetz
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Publication number: 20150073357Abstract: A device for penetrating tissue is provided that has a driving actuator with a body and motor shaft that is reciprocated. A coupler is attached to the motor shaft, and a key engages the driving actuator and coupler and limits rotational motion of the motor shaft and permits linear motion of the motor shaft. A penetrating member is carried by the coupler, and linear motion of the motor shaft is translated to the penetrating member to linearly reciprocate the penetrating member.Type: ApplicationFiled: October 24, 2014Publication date: March 12, 2015Inventors: Roger B. Bagwell, Ryan S. Clement, Andrew J. Meehan, Casey A. Scruggs, Ryan M. Sheehan, Maureen L. Mulvihill
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Patent number: 8968258Abstract: A resettable drive mechanism for a medication delivery device comprising a housing and a drive member rotatable in a second direction for delivering a dose. A piston rod driven distally when a drive member rotates in the second direction. A stop member prevents rotation of the drive member in a first direction opposite the second direction, when the stop member engages the drive member. A clutch member is movable between a delivery and reset position. When the clutch member is in the delivery position, the stop member and the drive member engage and the drive member is prevented from rotating in the first direction. When the clutch member is in the reset position, the drive member and the stop member disengage. The drive member is rotatable in the first direction.Type: GrantFiled: December 9, 2009Date of Patent: March 3, 2015Assignee: Sanofi-Aventis Deutschland GmbHInventors: Philippe Nzike, Steffen Raab, Ulrich Brüggemann, Uwe Dasbach, Uwe Boeser
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Patent number: 8968259Abstract: The present disclosure relates to a resettable drive mechanism for use in a drug delivery device. The drug delivery device is having a distal direction and a proximal direction. The drive mechanism comprises a drive rack engaged with a drive gear, a piston rack engaged with a piston gear and coupling means for coupling the drive gear with the piston gear. In a first state of the drive mechanism, the drive gear and the piston gear are coupled and the piston rack moves in distal direction when the drive rack is moved in distal direction. In a second state of the drive mechanism, the drive gear and the piston gear are decoupled and the piston rack is moveable in proximal direction for resetting the drive mechanism.Type: GrantFiled: September 29, 2010Date of Patent: March 3, 2015Assignee: Sanofi-Aventis Deutschland GmbHInventors: Robert Veasey, George Cave, Christopher Jones, Garen Kouyoumjian, Catherine Anne Macdonald