Class / Patent application number | Description | Number of patent applications / Date published |
604135000 | Spring drives piston | 61 |
20080208125 | Automatic Injection Devices - An injection device comprises a syringe ( | 08-28-2008 |
20080312591 | Injection Device - An injection device ( | 12-18-2008 |
20090048561 | INJECTION DEVICE WITH AN AXIALLY OVERLAPPING DOSE SETTING OR DISPLAY ELEMENT - An injection device including a housing with a reservoir for an injectable product, a plunger axially movable in a direction of propulsion in the reservoir, a dosing and propulsion mechanism provided for the plunger and arranged in an axial continuation of the reservoir, with a dosing or display member moveable in one axial direction relative to the plunger when setting a product dose and moveable in the opposite direction when the dose is dispensed, and, optionally, a force-imparting member which forces the dosing or display member in the direction of an axial end position, wherein at least one of the dosing or display member and optional force-imparting member axially overlap the reservoir, at least when the dosing or display member is in the end position. | 02-19-2009 |
20090054838 | INJECTION DEVICE - The invention concerns an injection device with a housing adapted to receive a syringe having a discharge nozzle and a plunger. There is a trigger and a drive arranged to act upon the plunger on actuation of the trigger to advance the syringe from a retracted position to an extended position through an opening in the housing. A locking mechanism is arranged in and moveable relative to the housing. The locking mechanism is engaged with the plunger when the syringe is not in its extended position and disengaged from the plunger when the syringe is in its extended position. This means that movement of the plunger relative to the syringe is prevented when, in use, the syringe is advanced from a retracted position to an extended position. Hence the contents of the syringe are not expelled from the syringe during advancement from the retracted position to the extended position. The contents are only expelled when the syringe reaches the extended position. | 02-26-2009 |
20090054839 | Injection device with torsion spring and rotatable display - The present invention relates to an injection device comprising a torsion spring operatively connected to a dose setting member being adapted to set a dose to be ejected from the injection device. A rotatably mounted display member adapted to display the dose to be ejected in accordance with a setting of the dose setting member is also provided. The rotatably mounted display member is adapted to be rotated over an angle corresponding to at least one revolution of the display member. The display member may be implemented as a dose indicator barrel having numerals arranged along a helical path on an outer surface thereof, or alternatively, as a counting device having two or more display wheels having numerals arranged on an outer surface thereof. | 02-26-2009 |
20090105646 | Multi-Frequency Communication System For A Drug Infusion Device - Disclosed is a medical infusion device, such as an externally worn insulin pump, capable of being in remote communication with a controller or data acquisition unit such as a blood glucose meter. The disclosed medical infusion device includes a dual frequency antenna to facilitate communication with the remote device and the antenna is mounted using a spring-design that inhibits transmission of vibration to the antenna. | 04-23-2009 |
20090177156 | SPRING DRIVEN ADJUSTABLE ORAL SYRINGE - Embodiments disclosed herein generally describe a medication delivery system. The medication delivery system includes a barrel, a plunger assembly, a dosage selection device, and a force producing element. The plunger assembly is disposed within the barrel. The force producing element can force the plunger assembly from the barrel. The user can select one or two or more dosages with a dosage selection device. The user selects the dosage; then the medication delivery system delivers the same dosage repeatedly. Further, with the force producing element, the user need only depress the plunger assembly into the barrel and does not need to extract the plunger assembly. This allows the user to use only one hand with the medication delivery system. | 07-09-2009 |
20090254035 | INJECTION DEVICE COMPRISING SEVERAL COUPLING MECHANISMS - An injection device including a drive unit, a delivery unit, a dosing unit, a trigger for triggering an injection, a first coupling mechanism between the drive unit and the delivery unit, and a second coupling mechanism between the dosing unit and the drive unit, wherein the drive unit is tensioned by a rotation of the dosing unit and when the drive unit is tensioned the first coupling mechanism is disengaged and the second coupling mechanism is engaged, and wherein when an injection is triggered first the first coupling mechanism is engaged and then the second coupling mechanism is disengaged. In some embodiments, the device may include a third coupling mechanism which only releases the delivery unit after the engagement and disengagement which follow a triggering. | 10-08-2009 |
20090254036 | Single-use injector with at least one draw hook - A single-use injector is disclosed comprising a housing ( | 10-08-2009 |
20090259181 | INJECTION DEVICE WITH TENSIONING SPRING AND TENSIONING ELEMENT - An injection device including a receiving device movable in an insertion movement relative to the injection device, a tensioning element, e.g. a spring, which bears on a part of the injection device, and a coupling element for coupling the receiving device to the spring such that, during an insertion movement of the receiving device the spring is tensioned. In some embodiments, the invention encompasses a method for preparing an injection device for dispensing a substance from an ampoule, wherein a discharging spring of the injection device is tensioned by introduction of the ampoule into the injection device. | 10-15-2009 |
20090281496 | Disposable injector with at least one central traction rod - A disposable injector having a housing ( | 11-12-2009 |
20090312707 | NEEDLED PHARMACEUTICAL DELIVERY DEVICE WITH TRIGGERED AUTOMATIC NEEDLE INSERTION AND MANUALLY CONTROLLED PHARMACEUTICAL INJECTION - A pharmaceutical delivery device with triggered automatic needle insertion and manually controlled pharmaceutical injection. The pharmaceutical delivery device includes a housing, a pharmaceutical containing needled syringe having an injection tip that is recessed within the housing when the syringe is in a first position and which projects from the housing when the syringe is in a second position, a syringe advancing assembly operable to automatically advance the needled syringe from the first position to the second position, a plunger including an input portion projecting from the housing for manual access by a user, wherein the plunger is operable by the user directly shifting the input portion when the syringe is disposed in the second position to inject pharmaceutical from the syringe through the needle at a rate adjustably controlled by a user during the injection, and wherein the plunger includes a plunger extender automatically movable within the housing from a first location to a second location upon the needled syringe advancing from the first position to the second position, wherein the plunger extender, when in the second location, occupies a space vacated by the needled syringe during advancement from the first position to the second position, whereby the plunger input portion remains stationary relative to the housing during the advancement of the needled syringe. | 12-17-2009 |
20090318865 | Injection Device with Electronic Detecting Means - An injection device ( | 12-24-2009 |
20100016796 | Syringe Mechanism for Detecting Syringe Status - The syringe includes a body portion having an interior barrel chamber. The chamber has a fill port and a discharge port. An injection needle will be fluidly connected to the discharge port in use. The syringe includes a handle, having one portion that is moveable. Slidable in the barrel chamber is a plunger shaft, having a plunger on its terminal end. The trigger is operationally connected to the plunger shaft, so that movement of the trigger (or activation of the trigger in an electronic trigger embodiment) results in a corresponding movement of the plunger shaft. Connecting to the syringe are the fluid line, and a communications cable. Communications cable will include a power lead, if needed, and communications lines for communication between the syringe and the various computers. | 01-21-2010 |
20100036319 | AUTO INJECTOR - An auto injector including: a housing; an outlet portion with a needle ( | 02-11-2010 |
20100036320 | MULTIPLE DOSAGE INJECTOR - A medicament dispensing mechanism is disclosed that is configured to eject successive doses of the medicament from a medicament chamber. An embodiment of the dispensing mechanism includes a housing and a plunger rod configured for ejecting the doses of medicament from the chamber. The dispensing mechanism further includes an actuation mechanism that comprises a trigger associated with the housing and having a ready and a fired position with respect thereto. The trigger is configured for manipulation by a user for successive movement in a generally axial dosing motion from the ready position to the fired position in which the trigger is associated with the plunger rod to cause the plunger rod to eject one of the doses of a predetermined volume and a resetting motion from the fired position to the ready position that comprises axial rotation, wherein the trigger is uncoupled from the plunger rod during the resetting motion. | 02-11-2010 |
20100049128 | DRUG INFUSION SYSTEM WITH REUSABLE AND DISPOSABLE COMPONENTS - The application discloses a drug infusion system comprising a base and a drug dispenser. The base is configured to receive a cannula that delivers a drug to beneath a wearer's skin. The base is attachable to the skin of the wearer. The reusable drug dispenser is removably attachable to the base and has a pump unit configured to establish fluid communication between a removably attachable drug reservoir and the cannula. The pump unit pumps the drug to the wearer upon activation by the wearer. The pump unit may have an inlet to contact the drug within the reservoir, which may be a needle. The pump unit may also have a receiving unit to receive the reservoir. Such a receiving unit may be a tubular for a cylindrical reservoir, or may have a cavity or an encasing unit to hold the reservoir. | 02-25-2010 |
20100057005 | INJECTION SYSTEMS - An intraosseous injection device includes a tool having a distal portion, a proximal portion, and a solution dispensing opening. The distal portion has one or more cutting surfaces. The tool can be coupled with a protective carrier. The tool can be rotatably coupled to a tool actuation mechanism. A housing has a distal end and a proximal end. The housing releasably receives a solution cartridge containing a solution. A solution dispensing mechanism dispenses solution from the solution cartridge. A gripping member grips a proximal portion of the tool. A rotation device rotates the gripping member and thereby rotates the tool about an axis. The proximal portion of the tool connects directly to the solution cartridge such that solution from the cartridge can be delivered through the solution dispensing opening. The tool is configured to rotate relative to the solution cartridge. | 03-04-2010 |
20100063446 | Device and Method Employing Shape Memory Alloy - A system for the metering and delivery of small discrete volumes of liquid is comprised of a small or minimal number of inexpensive components. One such component is a movable member, such as a miniature precision reciprocating displacement pump head, which is driven by an actuator that comprises a shape memory alloy material. The operating mechanism of the system is of little or minimal complexity. The system facilitates the precise metering and delivery of the small discrete volumes of liquid. Potential applications for the system include subcutaneous, long-term, automated drug delivery, for example, the delivery of insulin to a person with diabetes. In such an application, the small, simple and inexpensive nature of the invention would allow for its use as both a portable and a disposable system. | 03-11-2010 |
20100069845 | INJECTION METHOD AND APPARATUS - A pen-type injector for receiving a medication containing member. The injector comprises a housing | 03-18-2010 |
20100069846 | INJECTION DEVICE - An injection device comprising an outer housing inside which is located a medicament-holding barrel with a needle at one end thereof, at least part of the needle being moveable in and out of the outer housing, a plunger moveable within the barrel, an inner housing intermediate the outer housing and the barrel and plunger and an energy source in communication with said inner housing. The inner housing is moveable by the energy source between a first position in which the plunger and barrel are movable axially so as to move at least part of said needle out of the outer housing; a second position in which the plunger is movable axially into said barrel so as to expel medicament through the needle; and a third position in which the plunger and barrel are able to retract in order to retract the needle into the outer housing. | 03-18-2010 |
20100076379 | Disposable injector with at least one compression bar and a closure cap - A disposable injector with a housing that has at least one compression hook, which has at least one support surface respectively in the region of its free end. A piston-actuating plunger rests on the support surface. The locking position of the compression hook is secured by an actuating element positioned in a locked position. The actuating element has a locked position, in which it rests securely on a sealing cap. The actuating element has a triggering position, which effects lateral retreat of the compression hook when the piston-actuating plunger is released. | 03-25-2010 |
20100106090 | Disposable injector with manually actuated piston - A disposable injector with a housing ( | 04-29-2010 |
20100114025 | INJECTION DEVICE COMPRISING A LOCKING NUT - The invention relates to an injection device for injecting a dose of drug. The injection device comprises a housing, a dose setting mechanism being operable to set a desired dose, an injection mechanism comprising a piston rod ( | 05-06-2010 |
20100121274 | PREFILLABLE CONSTANT PRESSURE AMBULATORY INFUSION PUMP - A portable infusion device is provided that includes a cylindrical housing having a housing end, an inflatable cartridge sized to fit within the housing and a piston located within the housing. The cartridge can include a cartridge end having an inlet and an outlet. The cartridge end can be connected to an inflatable portion and be configured to be releasably secured to the housing end when the cartridge is inserted into the housing through the housing end. The piston can include at least one biasing device positioned to apply a constant force to the inflatable portion to expel a medical fluid from the cartridge. | 05-13-2010 |
20100130930 | AUTOINJECTOR - An autoinjector comprising an outer housing in which is mounted a syringe, the autoinjector further comprising an inner housing intermediate the outer housing and the syringe and an energy source in communication with said inner housing, wherein the inner housing is moveable by the energy source between three positions, namely a first position in. which the inner housing is in communication with the barrel such that, in use, the plunger and barrel are moveable axially so as to move at least part of said needle out of the outer housing; a second position in which the inner housing is in communication with the plunger but not the barrel such that, in use, said plunger is moveable axially into said barrel so as to expel medicament through the needle; and a third position in which the inner housing is in communication with neither the plunger nor the barrel such that, in use, the plunger and barrel are able to retract in order to retract the needle into the outer housing, characterised in that the plunger includes biasing means for axially biasing the barrel, before activation of the energy source, to a position forward of the part of the inner housing which acts on the barrel in said first position. | 05-27-2010 |
20100145275 | Device for Automatic Delivery of Successive Doses of Product - The invention relates to a device ( | 06-10-2010 |
20100222742 | Medical Delivery Device - The present invention relates to an injection device comprising a housing, a container containing medicament to be injected through a needle ( | 09-02-2010 |
20110009821 | ELECTRONICALLY MONITORED INJECTION DEVICE - The present invention relates to a medical injection device ( | 01-13-2011 |
20110077595 | BRAKE FOR INJECTION DEVICES - A brake mechanism for an injection device for generating a braking action on a moving, e.g. rotating, part or component of the injection device. | 03-31-2011 |
20110092905 | INJECTOR APPARATUS - An injector apparatus comprises a housing ( | 04-21-2011 |
20110166521 | ELECTRICALLY ACTUATED INJECTOR - An injector | 07-07-2011 |
20110238014 | AUTOINJECTOR WITH AUDIBLE INDICATION OF COMPLETED DELIVERY - The present invention relates to a device for automatic injection of a product into an injection site. The product is being carried by a container having a proximal open-end, a substantially closed distal end, carrying a needle to provide an outlet port for the product from the container and a piston provided in the container and distally movable with respect to the container. The movement of the piston causes the product to be expelled from the container. The device further comprises: | 09-29-2011 |
20120004608 | PREFILLED SYRINGE JET INJECTOR - A jet injector that includes a prefilled syringe. The syringe includes a fluid chamber that contains a medicament. The syringe also has an injection-assisting needle, and a plunger is movable within the fluid chamber. A housing is configured for allowing insertion of the needle to a penetration depth. An energy source is configured for biasing the plunger to produce an injecting pressure in the medicament in the fluid chamber of between about 80 and 1000 p.s.i. to jet inject the medicament from the fluid chamber through the needle to an injection site. | 01-05-2012 |
20120209192 | Medicament Delivery Device - 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. | 08-16-2012 |
20120323177 | Automatic Injection Device With Delay Mechanism Including Dual Functioning Biasing Member - An automatic injection apparatus including a delay mechanism for properly delivering medication prior to the needled syringe of the apparatus being retracted. In one form, the delay mechanism includes a shuttle ( | 12-20-2012 |
20130046239 | Fluid Delivery Device - A fluid delivery device comprises a housing having a fluid reservoir. A needle is in fluid communication with the fluid reservoir in an engaged position and out of fluid communication with the fluid reservoir in armed and storage positions. A proximal end of a biasing member is coupled to the housing and a distal end of the biasing member is configured to deliver a force to the fluid reservoir. A piston member extends through the biasing member and is coupled to the distal end of the biasing member. The piston member is fixed with respect to the housing in a locked position such that the biasing member does not deliver the force to the fluid reservoir and moveable with respect to the housing in a released position such that the biasing member delivers the force to the fluid reservoir. Transitioning the needle from the storage position to the armed position transitions the piston from the locked position to the released position. | 02-21-2013 |
20130123701 | EAR IRRIGATION DEVICE - The ear irrigation device for the removal of earwax integrates a fluid injector assembly with a fluid container ( | 05-16-2013 |
20130237914 | Medicament Delivery Device - 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. | 09-12-2013 |
20130267898 | AUTO-INJECTOR - According to the invention, an auto-injector for administering a dose of a liquid medicament (M) comprises of a substantially cylindrical chassis arranged to contain a pre-filled syringe with a syringe barrel filled with the medicament (M), an injection needle and a stopper for sealing the syringe barrel, a needle shroud slidably arranged within the chassis and adapted to rest on the skin of a patient receiving an injection, a plunger adapted to translate the stopper to expel the dose of the medicament (M) through the injection needle, a coupling shroud slidably arranged within the chassis and releasably coupled to the plunger and a drive means. Upon release, the drive means is capable of driving the coupling shroud from a first position (I) in a proximal direction (P). The proximal translatory movement of the coupling shroud with respect to the chassis translates the pre-filled syringe in the proximal direction (P) to expose the injection needle, depresses the plunger connected to the stopper into the syringe barrel to expel the dose of medicament (M) and advances the needle shroud to a safe position (PS) to surround the injection needle after the injection. The coupling shroud is arranged to be decoupled from the plunger at a second position (II). The needle shroud is arranged to prevent the decoupling of plunger and coupling shroud when the needle shroud is in a retracted position (PR), whereas the needle shroud is arranged to allow for the decoupling of plunger and coupling shroud when the needle shroud is moved from the retracted position (PR) towards the safe position (PS). | 10-10-2013 |
20130317435 | AUTOINJECTOR - An autoinjector includes a body ( | 11-28-2013 |
20140018735 | Dispensing Fluid from an Infusion Pump System - Some embodiments of a medical infusion pump system include a pump device having a cap device that mates with a pump housing to retain a medicine cartridge therein. In addition to retaining the medicine cartridge in the pump housing, the cap device may perform a number of preparatory functions or safety functions. In addition or in the alternative, some embodiments of the pump device may include a drive system that advances a piston rod to dispense medicine to the patient in a safe and energy efficient manner. | 01-16-2014 |
20140088505 | AUTOINJECTOR - An autoinjector having an external shell ( | 03-27-2014 |
20140094753 | INFUSION PUMP SYSTEM, AN INFUSION PUMP UNIT AND AN INFUSION PUMP - An infusion pump unit includes a housing sized to allow the pump unit to be carried as a portable unit. The housing contains a controllable pumping system for pumping fluid. The pump actuator is lighter, smaller, quieter and less power consuming. | 04-03-2014 |
20140114247 | Injection Device - 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 to be rotated and the plunger rod is urged towards the proximal end of the injection device whereby an injection is performed, and a rotary injection indication mechanism configured for indicating to the user the progress of the injection, wherein the rotary injection indication mechanism comprises a signalling member and a drive mechanism for rotationally driving said signalling member, said signalling member being coupled to said drive mechanism, said drive mechanism being coupled to said plunger drive means at the distal end of said plunger drive means, said rotary injection indication mechanism being arranged such that the progress of injection is shown through at least one opening provided at least in a distal end surface of the housing. | 04-24-2014 |
20140236084 | Automatic Injection Device With Delay Mechanism Including Dual Functioning Biasing Member - An automatic injection apparatus including a delay mechanism for properly delivering medication prior to the needled syringe of the apparatus being retracted. In one form, the delay mechanism includes a shuttle for the syringe, a follower, a locking member, a damping compound between the follower and a supporting surface to dampen rotation of the follower relative to the shuttle, and a dual functioning biasing member acting between the shuttle and the follower. When the locking member moves to a release position during an injection, the dual functioning biasing member first provides a torsional force to force the follower to rotate relative to the shuttle from a latching position to an unlatching position, and then the dual functioning biasing member provides an axial force to force the shuttle axially relative to the follower to move the shuttle for retracting the syringe needle into the housing of the apparatus after injection. | 08-21-2014 |
20140236085 | DEVICE FOR A SYRINGE - The invention provides an accessory ( | 08-21-2014 |
20140257185 | AUTO-INJECTOR FOR EPINEPHRINE INJECTION - A reloadable auto injector for epinephrine injection is provided. A syringe driver applies a force to the syringe to move the syringe together with plunger rod tube, plunger rod and plunger rod driver from the first position to the second position. In the second position, the locking member is unlocked and releases the plunger rod to thereby activate the plunger rod driver to advance the plunger rod in the syringe for delivering of medicament. A reload handle is connected to the syringe assembly so that user operation of the reload handle retracts the syringe to the first position and simultaneously reload the syringe driver to thereby ready the auto injector for delivering a further dose of medicament. | 09-11-2014 |
20140276414 | REMOVABLE DISPOSABLE CONTAINER FOR MEDICAMENT DELIVERY AND TRAINING - Embodiments of the invention include a medicament device configured to provide stepwise instructions for using the device to a user in a particular sequence is provided. The device includes a reusable housing configured to receive a container, the reusable housing including a control interface, the control interface including at least one responsive member reactive to a user input, an actuation member configured to interact with the container, a signal output component associated with the reusable housing; and circuitry associated with the reusable housing configured to control a provision of the stepwise instructions to the user in the particular sequence. | 09-18-2014 |
20140303559 | AUTOMATIC SYRINGE PUMPS FOR DRUG AND FLUID DELIVERY - An automatic syringe pump is disclosed that includes at least four subsystems: mechanical power, electronic timing, mechanical power transfer, and user interface subsystems. In some embodiments, an occlusion detection subsystem is also present. The mechanical power subsystem's main includes a constant force spring capable of storing the energy needed to reliable depressed several different sizes of a syringe. The electronic timing subsystem may include components including a ratchet, pawls, flippers, stepper motor, and microcontroller. These components are used together to regulated the release of the energy stored in the constant force spring. The mechanical power transfer subsystem may include components including a rack and pinion which translates the rotational motion of the drive shaft from the constant force spring into linear motion to depress the syringe. Finally, the user interface subsystem may include components including the microcontroller, Arduino backpack, and syringe tray. | 10-09-2014 |
20140336578 | Auto-Injector - Described is an injection device for administering a dose of a medicament (M) comprising a carrier adapted to contain a syringe having a hollow injection needle and a stopper, a drive spring, a plunger adapted to forward load of the drive spring to the stopper, and a noise component adapted to generate an audible and/or tactile feedback by impacting a component of the injection device when the stopper is located at a proximal end of the syringe. In a first state, a resilient arm on the plunger is maintained in engagement with the noise component by the carrier. In a second state, the arm disengages the noise component and deflects at least partially into an aperture in the carrier. | 11-13-2014 |
20140364808 | SPRING FORCE ASSEMBLY FOR BIASING OR ACTUATING STOPPERS OF SYRINGES, INJECTION PEN CARTRIDGES AND THE LIKE - A spring force assembly for biasing a displaceable stopper of a liquid medicament cartridge including a spring element arranged along a longitudinal axis, with brace elements and coupling elements, with the coupling elements restricting the distance between the brace elements which also restricts the possible expansion of the spring element. | 12-11-2014 |
20150051547 | MECHANICAL DRIVER - A mechanical driver comprising a wedge shaped member operatively coupled to a shape memory alloy such that the shape memory alloy is able to displace the wedge shaped member in an essentially linear direction. The wedge shaped member is in constant contact with a lever arranged so that it can rotate about a fixed pivot point. A piston is arranged such that it is constant contact with the lever at a point between the pivot point of the lever and the contact point between the lever and the wedge shaped member. Return springs are provided to return the piston, lever and wedge shaped member to their respective start positions. Activation of the shape memory alloy displaces the wedge shaped member along its linear direction and this causes the lever to be deflected about its pivot point and the piston to be deflected in an essentially linear direction that is perpendicular to the linear direction of travel of the wedge shaped member. | 02-19-2015 |
20150126926 | Infusion Device - The present invention relates to an infusion device comprising a housing ( | 05-07-2015 |
20150297827 | CONTROLLED DELIVERY DRIVE MECHANISMS FOR DRUG DELIVERY PUMPS - A controlled delivery drive mechanism includes a drug container having a barrel and a plunger seal; a drive housing within which at least initially partially resides a piston having an interface surface and a drive rack; and a power spring. The piston is configured to contact and axially translate the plunger seal within barrel. The mechanism may be configured to convert rotational movement of a drive pinion to axial translation of the drive rack, or to convert axial force of a linear power spring into torsional motion of a drive pinion. A regulating mechanism meters the drive pinion such that the piston is axially translated at a controlled rate. The drug container may contain a drug fluid within a drug chamber for drug delivery at a controlled rate. The regulating mechanism may be an escapement regulating mechanism. A drug delivery pump includes such controlled delivery drive mechanisms. | 10-22-2015 |
20150297833 | AUTOINJECTOR - Described is an autoinjector comprising a case, a door hingedly coupled to the case and having an open position and a closed position, a plunger slidably disposed in the case, and at least one drive spring applying a biasing force on the plunger relative to the case, wherein the door is operably coupled to the plunger, and wherein rotation of the door from the closed position to the open position moves the plunger from a distal position in the case to a proximal position in the case and compresses the at least one drive spring. | 10-22-2015 |
20150306306 | Fluid Delivery Device - A fluid delivery device comprises a housing having a fluid reservoir. A needle is in fluid communication with the fluid reservoir in an engaged position and out of fluid communication with the fluid reservoir in armed and storage positions. A proximal end of a biasing member is coupled to the housing and a distal end of the biasing member is configured to deliver a force to the fluid reservoir. A piston member extends through the biasing member and is coupled to the distal end of the biasing member. The piston member is fixed with respect to the housing in a locked position such that the biasing member does not deliver the force to the fluid reservoir and moveable with respect to the housing in a released position such that the biasing member delivers the force to the fluid reservoir. Transitioning the needle from the storage position to the armed position transitions the piston from the locked position to the released position. | 10-29-2015 |
20150335822 | LOCK FOR DRUG INJECTION DEVICE - A drug injection device comprises a main body case, a drug syringe mounting component, a piston, a drive mechanism, a controller, and means for locking the lid during operation of the drug injection device. The main body case has a lid and a base and an injection needle let-in/let-out opening. The drug syringe mounting component is provided inside the main body case, and allows a (filled) drug syringe to be mounted therein. The piston is movable with respect to the drug syringe mounting component. The drive mechanism drives the drug syringe mounting component and the piston. The controller is electrically connected to the drive mechanism. The means for locking the lid during operation of the drug injection device is activated and deactivated by movement of the drug syringe mounting component when the lid is closed. | 11-26-2015 |
20160001005 | AUTO-INJECTOR FOR EPINEPHRINE INJECTION - A reloadable auto injector for epinephrine injection is provided. The reloadable auto injector has a separate needle insertion and medicine injection drivers ( | 01-07-2016 |
20160193413 | POWER UNIT | 07-07-2016 |
20180021521 | DRUG DELIVERY DEVICE WITH A ROTATABLE DRIVE MECHANISM | 01-25-2018 |