Class / Patent application number | Description | Number of patent applications / Date published |
604154000 | Material impelled by nonreciprocating piston driven by motor | 78 |
20080208126 | Disposable Front Loadable Syringe and Injector - A syringe for an injector that has at its nozzle end a connection to the fluid delivery tubing that prevents, reduces, or eliminates fluid leaks, by virtue of a ridge on the external surfaces of the connector which engage to tubing. Furthermore, the syringe and injector are configured to permit the syringe to be oriented in more than one manner on the injector. | 08-28-2008 |
20080215007 | Disposable Front Loadable Syringe and Injector - A syringe for an injector that has at its nozzle end a connection to the fluid delivery tubing that prevents, reduces, or eliminates fluid leaks, by virtue of a ridge on the external surfaces of the connector which engage to tubing. Furthermore, the syringe and injector are configured to permit the syringe to be oriented in more than one manner on the injector. | 09-04-2008 |
20080243079 | Rechargeable battery backup apparatus and method for insulin pump - An apparatus and method for allowing an operator of a portable infusion device continue to operate the device after the primary battery source becomes depleted. The invention contemplates providing a secondary, rechargeable battery in addition to the primary battery, to allow the infusion device to operate even in the instance of a sudden drop in primary battery voltage. The apparatus includes a housing accommodating a syringe, where the syringe contains a liquid to be infused. Also included is a motor, a drive system operatively connected to the motor, where the drive system advances a piston of the syringe in order to expel the liquid from a barrel of the syringe. A power source is in electrical contact with and supplies power to the motor. The power source includes a primary battery module, and a rechargeable battery module, wherein the primary battery source supplies power to the rechargeable battery module. The result is a fail-safe system of alerting the user of low or critical battery conditions. | 10-02-2008 |
20080287874 | CONTROLLING DEAD VOLUME OF A PISTON PUMP USING AN ADJUSTMENT SCREW - The present invention relates generally to infusion devices. More particularly, the present invention is directed toward an inexpensive design to adjust the dead space of a piston pump by adjusting the end position of the piston's forward stroke. The piston pump may include an actuator member with a piston that articulates between a retracted and a forward position in a piston channel. Movement between the retracted and forward position, a pumping stroke, may expel a known quantity of fluid. Because of manufacturing tolerances, the forward position may not exactly line up with the end of the piston channel, resulting in dead space, or ullage, that may result in less than desired accuracy for fluid volume pumped. Utilization of an adjustable stop or stop that contacts the actuator member at the desired forward position may allow for selective elimination of the ullage and precise adjustment of the fluid pumped. | 11-20-2008 |
20080287875 | INFUSION PUMP WITH PHASE SEPARATOR - An infusion pump comprising a substance and pushing fluid inlet, a substance outlet, a central chamber communicating with said inlet and said outlet, and injecting means for injecting a substance into a biological object, wherein the infusion pump further includes a pushing fluid outlet in communication with the central chamber in such a way as to allow a pushing fluid to exhaust the pump. The outlet of the infusion pump is advantageously connected to the proximal end of a catheter, the distal end being inserted into the biological object. A sensor, e.g., an optical device, is preferably placed at the outlet of the infusion pump and checks that the outlet is free of gas. The infusion pump is preferably remotely controlled so that it can be placed in limited access locations. It is also preferably computer controlled. | 11-20-2008 |
20080319394 | Portable infusion device with reduced level of operational noise - An infusion system, method and device for infusing therapeutic fluid into the body of a patient are provided. The device includes a driving mechanism including a plurality of gears, wherein at least one gear is adjacent to another gear. The device includes a gear in the plurality of gears having plurality of teeth and at least another gear in the plurality of gears having a plurality of teeth. The plurality of teeth of another gear interact with the plurality of teeth of the gear. At least one tooth in the plurality of teeth of the gear is elastically deformable for causing at least one tooth to elastically deform upon meshing with a tooth in the plurality of teeth of another gear and further for causing reduction of noise associated with operation of the driving mechanism. | 12-25-2008 |
20090012474 | Syringe Driver Monitoring Means - A mechanism for receiving a thumbplate of a syringe within a syringe driver, the mechanism comprising a first fixed jaw ( | 01-08-2009 |
20090099525 | Drug Delivery System with Breakaway Plunger Extractor - Described is a drug delivery system and method for inserting a cartridge into a chamber in a drug infusion device to inhibit refilling or reuse of a cartridge. In one embodiment, a drug delivery system is provided that includes a chamber and a cartridge configured for insertion into the chamber. The cartridge includes a hollow barrel for receiving and storing a drug, a plunger having a distal end and a proximal end, where the distal end of the plunger is slidably insertable and movable within the barrel. A breakaway extractor is disposed external to the barrel and is removably attached to the proximal end of the plunger. After insertion of the cartridge into the barrel, the breakaway extractor may be detached from the cartridge, to inhibit the retraction of the plunger from within the barrel of the cartridge and refilling of the cartridge. | 04-16-2009 |
20090124977 | Method and Apparatus for Reversing a Piston Rod in an Injection Device - The present invention relates to a method for moving a piston rod in an injection device, the piston rod being operatively connected to a motor shaft of an electrical motor so that a rotational movement of the motor shaft is transformed to a translational movement of the piston rod, the piston rod being adapted to be moved between two end positions, the method comprising the steps of providing a first supply voltage level to the electrical motor, measuring sets of corresponding values of current provided to the motor and a corresponding position of the piston rod, and providing a second supply voltage level to the electrical motor when the measured position of the piston rod equals predetermined positions, the second supply voltage level having a RMS value being smaller than the RMS value of the first supply voltage level. The present invention further relates to an apparatus for carrying out the method. | 05-14-2009 |
20090171291 | SYSTEMS AND METHODS ALLOWING FOR RESERVOIR FILLING AND INFUSION MEDIUM DELIVERY - A system includes a durable portion with a durable housing and a separable disposable portion with a disposable housing that selectively engage with and disengage from each other. The disposable housing secures to a patient and may be disposed of after it has been in use for a prescribed period. Components that normally come into contact with a patient or with an infusion medium may be part of the disposable portion to allow for disposal after a prescribed use. A reservoir for holding the infusion medium may be part of the disposable portion, and may be supported by the disposable housing. The durable portion may include other components such as electronics for controlling delivery of the infusion medium from the reservoir, and a drive device including a motor and drive linkage. | 07-02-2009 |
20100022955 | SYSTEM AND METHOD FOR AN INJECTION USING A SYRINGE NEEDLE - An auto-injector for injecting a fluid medicament into a patient from a pre-filled syringe requires a disposable cassette that is selectively engageable with the reusable injector. The syringe is latched onto the cassette, and the cassette is then engaged with the injector. Activation of the injector causes a first motor to move the syringe so its needle is extended from a concealed position inside the cassette for injection of the medicament. A second motor on the injector is then activated to expel fluid medicament from the syringe. Then, the first motor is again activated to withdraw the syringe into the cassette for disposal of the cassette/syringe after an injection. | 01-28-2010 |
20100022956 | Infusion Set - The application relates to an infusion set comprising an infusion part ( | 01-28-2010 |
20100030153 | Injector Having Low Input Power - A powered injector that stores energy at a low rate when not in use and delivers energy at a high rate during injection. Energy may be stored in a highly responsive energy storage device, such as a capacitor, for rapid delivery of power to the injector motor. In certain embodiments, wires connecting the powered injector to a power supply may be relatively small and inexpensive because the current and voltage loads placed on the wires are relatively low. | 02-04-2010 |
20100049135 | RESERVOIR CONNECTOR - A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. A base is provided which is adapted to receive a reservoir. The base has a base engagement member, such as a detent, projecting therefrom. A cap is provided which is adapted to receive the base. The cap includes a first cap engagement member, such as a detent opening, which is adapted to removably engage the base detent. The cap further includes a second cap detent opening which is adapted to removably engage the base detent. A piercing member, such as a needle, is disposed in the interior of the cap in such a manner that the needle is separated from the reservoir septum when the base detent is in the first cap detent opening, and the needle pierces the reservoir septum when the base detent is in the second cap detent opening. When the reservoir, the base and the cap are connected to form an integrated unit, this unit is then capable of being inserted and secured in the infusion pump housing. | 02-25-2010 |
20100130935 | APPARATUS AND METHODS FOR FLUID PRESSURIZING UNITS OF INJECTION SYSTEMS - An injection system includes a syringe, which preferably includes larger and smaller inner diameters, and a plunger. A wiper sidewall of the plunger defines a cavity, into which a plunger shaft of the system is inserted, for moving the plunger, within the syringe, for fluid injection. The plunger includes a feature for engaging the shaft, and the sidewall preferably includes a expandable-contractible portion, in which the feature is formed. When the plunger is initially mounted within the larger inner diameter of the syringe, the portion of the sidewall is expanded and the feature of the plunger does not operably engage the inserted shaft. When the shaft moves the plunger into the smaller inner diameter of the syringe, the portion of the sidewall contracts and the feature operably engages the shaft. An optional deformable end wall of the plunger may be spaced apart from a distal terminal end of the inserted shaft. | 05-27-2010 |
20100168673 | IMPLANTABLE DRUG DELIVERY DEVICE - The implantable drug delivery device comprises at least an implantable pump, a reservoir and a delivery chamber. | 07-01-2010 |
20100185152 | Dosing Operation In A Medical Device - This invention relates to a method of controlling a dosing operation where a piston in a medical device is moved to a desired position, the dosing operation applies a motor to provide a force from the piston to expel a dose of a liquid medicament, said method comprising the steps of: moving the piston, at a first fixed speed, to a first position of the movement, moving the piston, at a decreasing speed, from said first position to a second position of the movement, and moving the piston, at a second fixed speed, from said second position to the desired position of the movement. The method further comprises the step of letting a fixed waiting time pass, when the piston has reached the desired position. This enables for a precise movement and stop of the piston leading to a precise dose, minimized post dripping and to that only a fixed and short waiting time need to go before a user can withdraw an injection needle of the medical device from his skin. | 07-22-2010 |
20100191187 | DELIVERY APPARATUS FOR MEDICAL FLUID IN BOX TYPE WITH A SYRINGE - Disclosed is a delivery apparatus for medical fluid, in which a body is fabricated in a box shape and a cover is detachably coupled to the body, thereby facilitating the repairing work for the delicate malfunction of the apparatus and a fluctuation-prevention member is provided such that a syringe makes a vertical movement after the installation of the syringe even if the body is fabricated in the box shape. | 07-29-2010 |
20100217194 | Device for Tube Feeding - The present invention provides a device ( | 08-26-2010 |
20100249706 | Novel Drive System for use with an Insulin Delivery Device - The invention relates to a mechanical drive system for a medical infusion device. The disclosed drive system employs a flexible tape with recesses or holes that are configured to mate with tabs or protrusions on a gear to advance the rotation of the gear at a rate determined by the pattern of recesses or holes on the flexible tape. | 09-30-2010 |
20100274192 | Medicine Dispensing Device - Some embodiments of a wearable, disposable medicine dispensing device may include a piston rod that is advanced to dispense medicine from the device. A rotational motor may be coupled to a drive mechanism so as to carry out a certain number of revolutions and thereby displace the piston rod by a desired distance. Such a device can be used in a method of dispensing liquid medicine. | 10-28-2010 |
20110004161 | INJECTION DEVICE FOR SEMI-SOLIDIFIED NUTRITIIONAL SUPPLEMENT | 01-06-2011 |
20110009826 | Drive Ram for Medical Injectors - A drive ram ( | 01-13-2011 |
20110092908 | SINGLE-DOSE SYRINGE DRIVER - Various methods and devices for driving fluid from a syringe are provided. In one exemplary embodiment, a syringe driver is provided having a frame that is adapted to seat a syringe, a driver that is slidably disposed within the frame and that is adapted to seat a plunger of a syringe, and a puller that is slidably disposed within the frame and that has a latch formed thereon for mating to an engagement element on the frame. The device can also include a force-delivery element, such as a constant force spring, that is coupled to and extends between the driver and the puller. In use, the puller is movable between a first position, in which the force-delivery element is in a resting position, and a second position, in which the latch on the puller mates to the engagement element on the frame to expand the force-delivery element thereby causing the force-delivery element to pull the driver and drive a plunger into a barrel of a syringe seated within the frame to deliver fluid from the syringe to a patient at a constant rate. | 04-21-2011 |
20110098647 | Auto-Injector with Filling Means - An injection device comprises a housing adapted to receive a fluid container having a discharge nozzle and a dispensing piston moveable in the fluid container to expel the contents of the fluid container out of the discharge nozzle. A drive is adapted on activation to act on the fluid container to advance it from a retracted position in which the discharge nozzle is contained within the housing to an extended position in which the discharge nozzle extends from the housing and act on the dispensing piston to expel the contents of the fluid container out of the discharge nozzle. A connector is adapted to receive a vial containing fluid and connect it to the discharge nozzle. There is also means to move the dispensing piston relative to the fluid container from a first position in which the dispensing piston is located in the fluid container adjacent the discharge nozzle to a second position in which the dispensing piston has been drawn away from the discharge nozzle, thereby drawing fluid from the vial into the fluid container. | 04-28-2011 |
20110137251 | Power Injector Having Calibrated Pressure Monitoring Functionality - Control logic ( | 06-09-2011 |
20110178463 | CARTRIDGE INTERFACE ASSEMBLY WITH DRIVING PLUNGER - A cartridge interface assembly including a driving plunger including an outer shaft, and a driver including an inner shaft, the inner shaft mating with an intermediate shaft, the intermediate shaft mating with the outer shaft, so that the shafts are movable telescopically with respect to one another, wherein rotation of the driver causes the driving plunger to advance in a direction away from the driver. | 07-21-2011 |
20110224616 | AUTOINJECTOR SYSTEM - An autoinjector system for injecting a fluid medicament into a patient includes a re-usable autoinjector, and a disposable cassette loaded with a hypodermic syringe pre-filled with a fluid medicament. The autoinjector includes a first motor for injecting a needle of the hypodermic syringe into the patient and a second motor for expelling the fluid medicament from the syringe. | 09-15-2011 |
20110230839 | Needle Array Assembly and Method for Delivering Therapeutic Agents - A fluid delivery device includes an array of needles, each in fluid communication with a respective reservoir. Respective actuators are coupled so as to be operable to drive fluid from the reservoirs via needle ports. Each needle can have a plurality of ports, and the ports can be arranged to deliver a substantially equal amount of fluid at any given location along its length. A driver is coupled to the actuators to selectively control the rate, volume, and direction of flow of fluid through the needles. The device can simultaneously deliver a plurality of fluid agents along respective axes in solid tissue in vivo. If thereafter resected, the tissue can be sectioned for evaluation of an effect of each agent on the tissue, and based on the evaluation, candidate agents selected or deselected for clinical trials or therapy, and subjects selected or deselected for clinical trials or therapeutic treatment. | 09-22-2011 |
20110257596 | Device And Electronic Controller For Syringe Piston Control - A device for controlling displacement of a syringe piston comprises a handheld casing, first and second engagement means. The first engagement means is formed exteriorly of the casing to engage the syringe's finger flange. The second engagement means slides on a first axis relative to the casing and engages the thumb rest. The device comprises means within the casing to cause the second engagement means to move along the first axis, causing the piston to move outwardly. An electronic controller module for controlling outward movement of the piston comprises an input/output port and a processor module. The processor module determines a prescribed movement speed and sends a motor command via the port at an initial motor speed. The motor causes the outward movement. The port receives speed measurements. The processor module attempts to match the measurements to a prescribed speed by sending successive motor commands via the port. | 10-20-2011 |
20110264046 | Method for Ensuring Constant Speed of a Motor in an Injection Device - The present invention relates to a method for ensuring a constant target speed of a battery driven electrical motor, the battery driven electrical motor being adapted to move a piston rod in an injection device so as to inject a set dose of medicine from the injection device, the method comprising the steps of setting a first target speed to be reached by the motor, determining whether the first target speed can be reached, and, if the first target speed can be reached, maintaining the first target speed until a set dose of medicine has been injected from the injection device, or if the first target speed cannot been reached, setting a second target speed. | 10-27-2011 |
20110306932 | REMOVABLE CASSETTE FOR ARTICULAR INJECTION SYSTEM - Systems for injecting fluids and/or other materials into a targeted anatomical location, in particular, an intra-articular space, include a handpiece assembly having a proximal end and a distal end, a needle extending from the distal end of the handpiece assembly, a fluid delivery module comprising a cassette and a fluid transfer device. A conduit is generally configured to place the fluid delivery module in fluid communication with the handpiece assembly. Medications, formulations and/or other fluids or materials contained within vials that are secured to the fluid delivery module can be selectively delivered into an anatomy through a needle located at the distal end of the handpiece assembly. In some embodiments, ultrasound or other imaging technologies can be used to locate a joint or other targeted anatomical location. | 12-15-2011 |
20120101439 | AUTOINJECTOR SYSTEM - An autoinjector system for injecting a fluid medicament into a patient includes a re-usable autoinjector, and a disposable cassette loaded with a hypodermic syringe pre-filled with a fluid medicament. The autoinjector includes a first motor for injecting a needle of the hypodermic syringe into the patient and a second motor for expelling the fluid medicament from the syringe. | 04-26-2012 |
20120109061 | Apparatus and Method to Inject Fluids into Bone Marrow and Other Target Sites - Apparatus for delivering a quantity of fluid to bone marrow of a bone or providing access to remove fluids from a target site is provided. The apparatus may include a driver, a plunger operating and cartridge assembly mechanism, a cartridge assembly having a fluid reservoir and a bone penetrating needle. | 05-03-2012 |
20120116311 | Medical Injection Device with Electric Motor Drive Control - This invention relates to an injection device for delivering a medicament to the human or animal body, in particular, but not exclusively, to a device having a replaceable medicament cartridge, including an auto-injector,
| 05-10-2012 |
20120136306 | Device for Delivering Liquid Medicament - The present invention relates to a device for delivering a fixed dose or an adjustable dose of liquid medicament to a patient. Characterising for the present invention is that it is equipped with a planetary gear with the purpose of increasing the power needed to deliver liquid medicament out of this type of devices. On almost all of the devices of this type appearing on the market with the purpose of delivering a fixed dose or an adjustable dose of liquid medicament, the dose volume can be set in separated steps. With assistance of a planetary gear these steps, which each represent an increase of the volume of the medicament to be delivered, get smaller, which increases the possibility to set an optimum dose volume of the medicament. In its primary field of use the invention is intended to be used together with an injection needle. The invention facilitates to create high fluid pressure in the medicament and can be used to operate an inhaler or a needle free injector at the same time as the invention will keep a compact outside measurement. | 05-31-2012 |
20120172804 | MEDICAMENT DELIVERY DEVICES - A medicament delivery device ( | 07-05-2012 |
20120191043 | SYSTEMS, METHODS AND DEVICES FOR ACCURATE INFUSION OF FLUIDS - Embodiments of the present disclosure are directed to devices, systems and methods for increasing the accuracy of delivery of a fluid/drug in a fluid/drug delivery device/system. In some embodiments, a fluid infusion device is provided for delivering a drug into the body of a user, and includes at least one housing, a reservoir, a plunger and a drive-screw, where the drive-screw includes a first end and a second end, the first end being configured to operatively connect to the plunger. The device may further include a driving mechanism comprising at least a motor and one or more gears, where the one or more gears include a rotating sleeve configured for engagement with the second end of the drive-screw, a controller for at least controlling operation of the driving mechanism, and a support casing configured to substantially support the rotating sleeve and enable substantially free rotation of the rotating sleeve therein. | 07-26-2012 |
20120209199 | PATCH-SIZED FLUID DELIVERY SYSTEMS AND METHODS - A patch-sized fluid delivery device may include a reusable portion and a disposable portion. The disposable portion may include components that come into contact with the fluid, while the reusable portion may include only components that do not come into contact with the fluid. Redundant systems, such as redundant controllers, power sources, motor actuators, and alarms, may be provided. Alternatively or additionally, certain components can be multi-functional, such a microphones and loudspeakers that may be used for both acoustic volume sensing and for other functions and a coil that may be used as both an inductive coupler for a battery recharger and an antenna for a wireless transceiver. Various types of network interfaces may be provided in order to allow for remote control and monitoring of the device. | 08-16-2012 |
20120220941 | DRIVE MECHANISM FOR AN INJECTION DEVICE AND AN INJECTION DEVICE WITH SUCH A DRIVE MECHANISM - A drive mechanism for an injection device in which a piston is successively moved in a first axial direction in relation to a medicament cartridge containing a medicament selectively to drive a bung closing a first end of the medicament cartridge into the medicament cartridge to expel medicament through a delivery member located at a second end of the medicament cartridge, the drive mechanism comprising: a base member, a first drive member fixed relative to the base member, a second drive member axially and rotatably moveable relative to the first drive member and a piston member axially moveable relative to the first and second drive member, wherein the second drive member is drivingly connected between the first drive member and the piston member such that rotation of the second drive member in a first direction of rotation relative to the first drive member and the piston member causes the second drive member to move in the first axial direction relative to the first drive member and the piston member to move in the first axial direction relative to both the first and second drive member, and an injection device comprising such a drive mechanism. | 08-30-2012 |
20120310163 | DOSING DEVICE FOR AN INFUSION SYSTEM AND METHOD THEREOF - A dosing device for an infusion system comprises a dosing unit having a variable volume and at least one opening in fluid connection with the variable volume, through which opening the variable volume can be filled with a substance or the substance can be dispensed from the variable volume. The dosing device is operable in a first state for filling the substance from a supply conduit, in a second state for preventing filling and dispensing, or in a third state for dispensing through a dispensing conduit. No direct fluid connection exists between the supply conduit and the dispensing conduit at any time. Methods for dosing a substance with the dosing device. | 12-06-2012 |
20130237917 | POWER INJECTOR WITH FLOW RATE ASSESSMENT - A flow rate assessment protocol ( | 09-12-2013 |
20130274670 | MODULAR INJECTION DEVICE - A modular injection device for administration of dermal filler compositions is provided. The injection device may include a handheld injector unit including a drive unit, the drive unit configured to apply an extrusion force to a fluid; a control unit remote from the injector unit, the control unit configured to control the drive unit; and a cable configured to connect the control unit to the injector unit. | 10-17-2013 |
20130274671 | AUTO-INJECTOR - The invention relates to a front-end device of an auto-injector (A) for administering a dose of a liquid medicament, comprising of a support sleeve with a first screw thread adapted to engage a housing of a back-end device of the auto-injector (A) to attach the front-end device to the back-end device and an outer sleeve mounted onto a support sleeve of the front-end device by a second screw thread, wherein the front-end device is adapted to receive a syringe with an injection needle and a barrel containing the dose of the medicament and wherein the direction of rotation of the first screw thread is opposite to the direction of rotation of the second screw thread. | 10-17-2013 |
20130281929 | AUTO-INJECTOR - The invention relates to a compression connection means for an auto-injector (A), wherein the compression connection means adapted to attach a front-end device of the auto-injector (A) to a back-end device of the auto-injector (A) comprises of an annular mounting sleeve that is axially displaceable parallel to a longitudinal axis (X) between a locked position (L) and an unlocked position, a mounting sleeve spring biasing the mounting sleeve towards a locked position (L), at least one latch arm connected to one of either the front-end device or the back-end device, wherein the latch arm is deflectable in a radial direction, wherein the mounting sleeve in the locked position (L) is arranged to prevent the radial deflection of the latch arm and wherein the mounting sleeve in the unlocked position allows for a radial deflection of the latch arm, so as to allow the latch arm to be deflected on assembly or disassembly of the front-end device to the back-end device and to latch to or unlatch from the other of the front-end device or the back-end device. | 10-24-2013 |
20140039397 | OPTICAL DISPLACEMENT SENSOR FOR INFUSION DEVICES - An optical sensor for a delivery device having a piston that displaces a substance, such as a fluid, from a reservoir. The optical sensor has a light source and a detector array for imaging encoding features disposed along a plunger rod coupled to the piston. By virtue of the pattern of encoding features, an absolute position of the plunger rod relative to a fiducial position may be determined uniquely. Thus, the volume of fluid remaining in the reservoir, the rate of fluid delivery, and proper loading of the reservoir may be accurately ascertained. Additionally, the encoding may serve to uniquely identify a version of the reservoir which may be supplied in various versions corresponding, for example, to differing concentrations of a therapeutic agent to be dispensed. | 02-06-2014 |
20140243746 | Front-Loading Medical Injector Adapted to Releasably Engage A Syringe Regardless of the Orientation of the Syringe With Respect to the Injector - A syringe for use with an injector includes a body having a rear end and a front end, a plunger movably disposed within the body, an attachment member associated with the body and adapted to releasably engage a syringe retaining mechanism of the injector regardless of the orientation of the syringe with respect to the injector, and an encoding device operable to provide syringe information to the injector. | 08-28-2014 |
20140276430 | MEDICAMENT DELIVERY AND SIMULATION SYSTEM WITH A REMOVABLE DISPOSABLE CONTAINER FOR MEDICAMENT AND A ROTATABLE ACTUATION COMPONENT - In one embodiment of the invention, a container for storing a medicament prior to use is provided. The container includes a first housing for containing a medicament, a second housing, wherein the first housing is movable relative to the second housing, and an injection member associated with a lower portion of the first housing, wherein when the first housing moves relative to the second housing in a first direction to deliver the medicament, the injection member extends from the second housing traversing a first contaminant barrier disposed at a lower portion of the second housing. The first housing moves relative to the second housing in a second direction wherein the injection member is retracted into the second housing to prevent an unintentional contact with the injection member. In a further embodiment, an actuation mechanism for actuation of an injection includes a rotatable member. | 09-18-2014 |
20140276431 | Operating an Infusion Pump System - Some embodiments of a medical infusion pump system include a pump device and a removable controller device. When the pump device and the removable controller device are removably attached to one another, the components may provide a portable infusion pump unit to dispense medicine to a user. In particular embodiments, the removable controller device includes a user interface to readily provide information, for example, about the operation of the pump. | 09-18-2014 |
20140303560 | Piston Driving Motor Arrangement - The invention is related to an apparatus comprising a first drive shaft, a second drive shaft, a motor component configured to receive a control signal, which control signal comprises a direction control signal, the motor component further configured to selectively drive the first drive shaft and the second drive shaft based on the received control signal, and further configured to drive the first drive shaft and the second drive shaft in a respective direction based on the direction control signal, such that a direction control signal for driving the first drive shaft in a first direction is a direction control signal for driving the second drive shaft in a direction opposite to the first direction. The invention is further related to a drug delivery device comprising an apparatus of the aforementioned kind. | 10-09-2014 |
20140309590 | NEEDLE ARRAY ASSEMBLY AND METHOD FOR DELIVERING THERAPEUTIC AGENTS - A fluid delivery device includes an array of needles, each in fluid communication with a respective reservoir. Respective actuators are coupled so as to be operable to drive fluid from the reservoirs via needle ports. Each needle can have a plurality of ports, and the ports can be arranged to deliver a substantially equal amount of fluid at any given location along its length. A driver is coupled to the actuators to selectively control the rate, volume, and direction of flow of fluid through the needles. The device can simultaneously deliver a plurality of fluid agents along respective axes in solid tissue in vivo. If thereafter resected, the tissue can be sectioned for evaluation of an effect of each agent on the tissue, and based on the evaluation, candidate agents selected or deselected for clinical trials or therapy, and subjects selected or deselected for clinical trials or therapeutic treatment. | 10-16-2014 |
20140309591 | Auto-Injection Device - The present invention relates to an autoinjector device ( | 10-16-2014 |
20140358083 | AUTO-INJECTOR - Provided is an auto-injector for a syringe suitable for the injected delivery of drug to a patient. The auto-injector comprises a cassette unit arranged for receipt of a syringe. The cassette unit and/or syringe is movable from a rest position, in which the syringe needle tip is within the drive unit housing to a use position, in which the needle tip protrudes from a needle delivery aperture thereof. The auto-injector comprises a drive unit arranged for docking receipt of the cassette unit at a docking position and a drive arrangement. The drive unit is arranged for initial receipt of the cassette unit at an intermediate pre-docking position and for subsequent transport of the cassette unit to the docking position. In embodiments, the drive unit is arranged such that transport of the cassette unit to the docking position is permitted only following verification of an identifier at the intermediate pre-docking position. | 12-04-2014 |
20140358084 | AUTO-INJECTOR - There is provided a cassette unit that is suitable for use with an auto-injector having an electrically powered drive unit. The cassette unit has a housing defining a cassette unit housing cavity and a needle projection aperture. The cassette unit housing cavity is arranged for receipt of a syringe that is suitable for use in the injected delivery of drug to a patient. The cassette unit includes a removable cap that in a capping position fits over and thereby, acts such as to close off, the needle projection aperture. The cassette unit includes a cap lock feature movable from a first cap locking position in which it prevents removal of the removable cap from the capping position with the cassette unit to a second cap non-locking position in which it no longer prevents such cap removal. | 12-04-2014 |
20140358085 | AUTO-INJECTOR - There is provided a cassette unit that is suitable for use with an auto-injector having an electrically powered drive unit. The cassette unit has a housing defining a cassette unit housing cavity and a needle projection aperture. The cassette unit housing cavity is arranged for receipt of a syringe that is suitable for use in the injected delivery of drug to a patient. The cassette unit includes a removable cap that fits over and thereby, acts such as to close off the needle projection aperture; and connecting to the removable cap, a needle cover defining a needle sheath for sheathing of the needle tip of the syringe. The removable cap is provided with a finger-grip feature that is sized and shaped for gripping by the finger of a user to allow for removal of the removable cap and needle cover from the cassette unit housing. | 12-04-2014 |
20140358086 | Encoding And Sensing Of Syringe Information - A syringe for use with a powered injector to inject a fluid into a patient that includes a length of material adapted to transmit or propagate electromagnetic energy therethrough. The length of material includes at least a first indicator positioned along the length of material. The first indicator is adapted to interact with at least a portion of the energy being propagated through the length of material in a manner that is detectable. The presence (or absence) of the first indicator provides or corresponds to information about the syringe configuration. The indicator(s) of the present invention can, for example, provide information about syringe configuration by the number and/or position thereof. A plurality or set of such syringes can be provided, with the configuration of each such syringe being represented by the presence or absence of indicator(s) of that syringe. | 12-04-2014 |
20150045734 | AUTO-INJECTOR - Provided is a cassette unit suitable for use with an auto-injector having an electrically powered drive unit. The cassette unit has a housing defining a cassette unit housing cavity and a needle projection aperture. The housing cavity is arranged for receipt of a syringe suitable for delivery of a drug to a patient. The syringe has a barrel for containing a volume of a liquid drug formulation, the barrel defining a flange at the rear end thereof and a forward shoulder at the forward end thereof. The cassette unit includes one or more shoulder support features for supporting the forward shoulder of the syringe. In use, the one or more shoulder support features act to direct a major part of an applied load path to travel through the shoulder at the forward end of the syringe and lesser load to pass through the flange at the rear end thereof. | 02-12-2015 |
20150045735 | PRESSURE VENTED FLUID RESERVOIR FOR A FLUID INFUSION DEVICE - Disclosed herein is a fluid infusion device of the type that delivers medication fluid to the body of a patient. The device includes or cooperates with a fluid reservoir, and the device has a sealing assembly to receive and form a fluid seal with the fluid reservoir. A retractable sealing element surrounding a hollow fluid delivery needle may be used to seal a port of the fluid reservoir. The port may include a pressure vent that is sealed by the retractable sealing element. In one variation, the reservoir includes a moving valve sleeve that holds a septum. The septum moves to allow the reservoir to vent, and to form a seal with the port when the needle pierces the septum. In another variation, the device includes a needleless sealing assembly. In yet other variations, the device uses a needled fluid reservoir. | 02-12-2015 |
20150148745 | STOPPER ARRANGEMENT FOR A DRUG DELIVERY DEVICE - The invention relates to a stopper arrangement for a drug delivery device, comprising a stopper, a linear actor coupled with one end to the stopper and with an opposite end to a coupling arrangement, wherein the stopper arrangement is configured to be disposed within a container of a drug delivery device, wherein a shape and/or material of the stopper and the coupling arrangement are configured such that a first frictional force between the coupling arrangement and the container is lower than a frictional force between the stopper and the container when the linear actor is contracting and that second frictional force between the coupling arrangement and the container is greater than the frictional force between the stopper and the container when the linear actor is expanding. | 05-28-2015 |
20150314072 | DOSING MECHANISM - A dosing mechanism ( | 11-05-2015 |
20150320934 | Arrangement for Detecting a Position of a Plunger - The invention relates to an arrangement for detecting a position of a plunger relative to a bung in a drug cartridge, comprising a proximity sensor located close to a distal end of the plunger facing the bung and aligned to receive light reflected by the bung. | 11-12-2015 |
20160012205 | MEDICINE ADMINISTERING SYSTEM INCLUDING INJECTION PEN AND COMPANION DEVICE | 01-14-2016 |
20160114099 | SELF-ORIENTING SYRINGE AND SYRINGE INTERFACE - A syringe includes a barrel having a proximal end, a distal end, and a sidewall extending between the proximal end and the distal end along a longitudinal axis. At least one syringe retaining member protrudes radially outwardly relative to an outer surface of the sidewall. The at least one syringe retaining member tapers axially in a direction from the distal end toward the proximal end. The at least one syringe retaining member is configured for selective engagement with a locking mechanism on a fluid injector to releasably lock the syringe with the fluid injector. A taper of the at least one syringe retaining member is configured to rotationally guide the syringe into alignment with the locking mechanism. | 04-28-2016 |
20160114100 | Self-Orienting Syringe and Syringe Interface - A syringe includes a barrel having a distal end, a proximal end, and a sidewall extending therebetween along a longitudinal axis. At least one engagement member protrudes from a terminal portion of the sidewall in a proximal direction along the longitudinal axis. The at least one engagement member tapers axially in a direction from the distal end toward the proximal end. The at least one engagement member is configured for engagement with a locking mechanism of a fluid injector to releasably lock the syringe with the fluid injector. A taper of the at least one engagement member is configured to rotationally guide the syringe into alignment with the locking mechanism and axially eject the syringe upon rotation of the syringe. The locking mechanism operatively engages the at least one engagement member regardless of an orientation of the syringe about the longitudinal axis relative to the injector. | 04-28-2016 |
20160175523 | AN INJECTION DEVICE FOR MEDICAL PURPOSES | 06-23-2016 |
20160184509 | APPARATUS TO INJECT FLUIDS INTO BONE MARROW AND OTHER TARGET SITES - The present disclosure relates to an apparatus for delivering a quantity of fluid to bone marrow. The apparatus may include a drive housing, a plunger operating assembly, a retractable sleeve, a first spring, a second spring, and a release mechanism. The drive housing may include a first portion configured to engage a driver assembly and a second portion configured to engage a cartridge assembly. The cartridge assembly may a fluid reservoir and a plunger assembly slidably disposed in the fluid reservoir. The cartridge assembly may be engaged with a bone penetrating needle and configured to rotate to insert the bone penetrating needle into the bone marrow. The first release mechanism may release the second spring to move the plunger operating assembly when the cartridge assembly is rotated to insert the bone penetrating needle into the bone marrow and the retractable sleeve is moved to a retracted position. | 06-30-2016 |
604155000 | With threaded drive means | 12 |
20090143735 | DRUG RESERVOIR LOADING AND UNLOADING MECHANISM FOR A DRUG DELIVERY DEVICE USING A UNIDIRECTIONAL ROTATED SHAFT - A drug reservoir loading and unloading mechanism for drug delivery device using unidirectional rotated lead screw and method thereof are disclosed. The drug reservoir loading/unloading mechanism allows exchanging the drug reservoir quickly with very few steps and with more safety. The invention neither requires rewinding of the drive system either automatically or manually while replacing the drug reservoir nor requires an additional adapter to secure the drug reservoir. | 06-04-2009 |
20090326459 | Drive Mechanism and Method of Use - Described is a drive mechanism for a drug infusion pump. In one embodiment, an in-line drive mechanism is provided that includes a motor operatively coupled to a lead screw, which is configured to engage a piston. The piston includes a cavity to receive the motor and the lead screw such that the lead screw and at least a portion of the motor are substantially contained within the piston cavity when the piston is in a retracted position. In one embodiment, at least a portion of the motor is also substantially contained within a cavity of the lead screw regardless of whether the piston is in the retracted or extended position. The configuration of the piston, the lead screw and the motor results in a more compact drug delivery device. | 12-31-2009 |
20100063449 | 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 |
20110087166 | LABORATORY SYRINGE PUMPS - A syringe pump which includes a pusher block is slidably mounted on bearings on one or more guide rails. The pusher block is advanced or retracted by a lead screw having an axis which is offset from the axis of the one or more guide rails which are supported at their respective ends by support blocks, wherein forward and/or trailing sides of the pusher block bearings are extended, and wherein the guide rail support blocks include recesses for accommodating the extended ends of the pusher block slide bearings. In another embodiment, the syringe pump includes quick connect-disconnect fixtures for loading and unloading syringes. Other mechanical and programmable improvements are described in the specification. | 04-14-2011 |
20110301540 | SYRINGE DRIVE UNIT - Provided is a syringe drive unit ( | 12-08-2011 |
20120022453 | Portable Medical Fluid Delivery Device with Drive Screw Articulated with Reservoir Plunger - A device for delivering fluid into the body is provided. The device may comprise a reservoir including at least one wall for retaining fluid and a plunger ( | 01-26-2012 |
20120209200 | Drive Assembly for a Pen-Type Injector and Pen-Type Injector with a Drive Assembly - A drive assembly ( | 08-16-2012 |
20120215170 | ANTI-BOLUS CONTROL METHOD AND CORRESPONDING DEVICE - For controlling the movement of the push device of a pump of the syringe driver-type, the pump comprising a casing ( | 08-23-2012 |
20120302960 | DRUG PRESSURING AND DELIVERING SYSTEM WITH INTERNAL QUANTITATIVE PUSHER - A drug pressuring and delivering system has an internal quantitative pusher for providing stable and precise drug delivery, and a drug pressuring and delivering device for introducing a compression gas for pressuring and ejecting a drug into an atomized drug. The quantitative pusher adopts a bidirectional motor for driving a screw rod to rotate forward or reversely to push the push rod forward or backward, such that the drug is delivered through a solenoid and a drug delivering needle in a cylinder drug delivering pipe and then quantitatively delivered to a drug delivery pressuring tube. In addition, an introduced mainstream gas in the drug delivery pressuring tube forms a gas-liquid mixing and pressuring action to achieve the precisely quantitative and uniform atomization high speed ejection function. Also, all members of the invention can be assembled/disassembled, so that the damaged or contaminated members can be detached, cleaned or replaced. | 11-29-2012 |
20150126929 | DERMAL FILLER INJECTOR - A dermal filler injector is provided which includes a handpiece and a coupling mechanism for operationally coupling the handpiece with a dermal filler cartridge. The handpiece includes a motor for controllably driving a plunger in the cartridge to provide effective and controlled injection of a dermal filler into skin. | 05-07-2015 |
20150141923 | INJECTION DEVICE - The injection device comprises:
| 05-21-2015 |
20160374902 | SYSTEM FOR AUTHORIZED DISPENSING OF MEDICINES - A portable compact scaled-down programmable system for authorized dispensing of medicines is illustrated. The system includes at least one enclosure, a dispenser unit having an integrated cap and a plurality of dispensing slots, adapted to facilitate dispense of at least one medicine to an authentic user. The system further includes a driving mechanism for the upward and downward movement of the dispenser unit, a control unit to facilitate controlled functioning of functional units of the system, a primary sensor unit to facilitate the identification and authorization, a power supply unit, a micro-USB, a GNSS module, a set of status indicators having a liquid crystal display, a speaker, a vibrator and a LED, a set of knobs, and a communication facilitator. Further, the system can be operated either in stand-alone mode and or in paired mode. The system is configured to include a plurality of internet of things [IoT] modules. | 12-29-2016 |