| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 604224000 | Piston moved by screw or rack | 20 |
| 20080281275 | Injection Device - A medication dispensing device with a housing and a member wherein the member is moveable in a distal direction is useful in delivering medication to a patient. A fluid container can be used with the device and often has a moveable piston at one end and an outlet at the other. The member receives a force from a user and drives the piston in the distal direction to expel medication. A intermediate system is disposed between the member and the piston including a gear set that has a pinion in meshed engagement with a rack. The system allows the member to move a greater distance than the piston moves thereby increasing the force on the piston. | 11-13-2008 |
| 20090187151 | FORCE AMPLIFIER - A force amplifier has a guide track, a non-locking screw threadedly engaging the track to spirally move in response to an axial input force applied to the proximal end of the non-locking screw. The force amplifier includes a compliant component coupled to the non-locking screw by one end and to a self-locking screw by the other end. The compliant component is configured to transmit a torque generated by the non-locking screw to the self-locking screw, which is actuated to move spirally along the track while generating an axial output force greater than the input force. | 07-23-2009 |
| 20090299298 | Applicator - The invention relates to applicators ( | 12-03-2009 |
| 20100087786 | Automatic Liquid Drug Preparation Apparatus for the Preparation of a Predetermined Dosage of Liquid Drug - Automatic liquid drug preparation apparatus for preparing a liquid drug assemblage with a predetermined dosage of liquid drug. The liquid drug assemblage is prepared from a preparatory assemblage including a fluid control device having a body member with a syringe port, a vial adapter, and an administration port, a vial pre-filled with powder or liquid medicament, and a syringe pre-filled with diluent for mixing with the medicament. The automatic liquid drug preparation apparatus includes a housing, a cradle for receiving the preparatory assemblage, and a controller for controlling a motorized syringe drive unit for selectively transferring liquid contents between the syringe and the vial, a motorized cradle drive unit for selectively rotating the cradle relative to the housing, and a motorized vial adapter release unit for selectively detaching the vial adapter with its attached spent vial from the body member to form the liquid drug assemblage. | 04-08-2010 |
| 20120083748 | DRUG DELIVERY DEVICE - 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 by a stop element inhibiting a reversal of the movement of the piston rod when being reset. | 04-05-2012 |
| 20120101451 | METHODS AND SYSTEMS FOR DOSING A MEDICAMENT - A manually actuated pump, such as a bolus delivery circuit of an insulin pump, combines a direct drive piston system with a lost motion valve system, to deliver reliably a full bolus dose, while precluding partial dosing or inadvertent overdosing conditions. The pump may also include a signaling device to indicate when a full bolus dose is delivered. | 04-26-2012 |
| 20120101452 | DRUG DELIVERY DEVICE - 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. | 04-26-2012 |
| 20120109075 | MEDICAL DEVICE - The medical device comprises a wave spring or wave washer in a mechanism to engage or disengage a first element and a second element. The invention also discloses the use of a multiple wave spring or wave washer comprising at least two waved spring layers in a medical device. | 05-03-2012 |
| 20120253293 | INJECTOR - The present invention related to an injector is provided. The injector includes a case body, a dose setting, a first engagement, a second engagement, an elasticity element, and a button. The dose setting is used to preset a dose. The first engagement is connected with the dose setting. The elasticity element is connected between the first engagement and the second engagement. When the elasticity element is in an extension state, the first engagement and the second engagement are separated. When the button is pushed, the elasticity element is entered into a compress state to combine the first engagement and the second engagement, and then push the dose setting. | 10-04-2012 |
| 20120265153 | Housing Component for a Drug Delivery Device - The present invention relates to a housing component of a drug delivery device ( | 10-18-2012 |
| 20120283661 | Drive Mechanism for Drug Delivery Device - A drive mechanism for a drug delivery device, preferably for a pen-type injector, the mechanism comprises a spindle ( | 11-08-2012 |
| 20130030381 | Drive Assembly for a Drug Delivery Device and Drug Delivery Device - The drive assembly comprises a guide nut ( | 01-31-2013 |
| 20130030382 | PLUNGER KIT FOR MEDICINE SYRINGE - A plunger kit for a medicine syringe provided with a syringe barrel includes a piston having an internal screw and a plunger rod having an external screw. The internal screw and external screw have a mutually non-complementary, basic groove profile and basic thread profile, respectively. A following flank of each thread of the external screw and a groove flank of a corresponding groove of the internal screw are formed such that, when the piston and plunger rod are slidably fit in the syringe barrel and the piston is then slid in a pull direction, the following flank can come into contact with the groove flank more strongly at a first part and more weakly at a second part to increase thread engagement strength between the external screw and the internal screw without any substantial expansion of the piston by the external screw. | 01-31-2013 |
| 20130110054 | DRIVE ASSEMBLY FOR A DRUG DELIVERY DEVICE AND DRUG DELIVERY DEVICE | 05-02-2013 |
| 20130211343 | DRIVE MECHANISM FOR A DRUG DELIVERY DEVICE AND DRUG DELIVERY DEVICE - A lead screw, a lead screw nut and a drive member are aligned with an axis defining an axial direction and an opposite axial direction. A coupling between the lead screw and the lead screw nut allows a helical movement of the lead screw with respect to the lead screw nut at least in the axial direction. The lead screw is coupled with the drive member, the coupling generating a helical movement of the lead screw with respect to the drive member when the drive member is moved in the axial direction with respect to the lead screw. A dispense stop feature of the lead screw nut and a dispense stop feature of the drive member prevent the generation of the helical movement of the lead screw when a specified end position of the drive member is approached. | 08-15-2013 |
| 20140005610 | DUAL CHAMBER PREFILLABLE SYRINGE AND ARIPIPRAZOLE FILLED IN SYRINGE | 01-02-2014 |
| 20150045742 | Medicament Delivery Device - The present invention relates to a medicament delivery device that is reliable, safe and intuitive to use and configured to prevent a subsequent does from being administered before a previously initialized dose has been fully delivered. This is accomplished by mechanically interacting structures arranged as an interface between a lockable delivery button and a release member. | 02-12-2015 |
| 20150073357 | Device and Method for Less Forceful Tissue Puncture - 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. | 03-12-2015 |
| 20160038687 | HANDHELD MEDICAL SUBSTANCE DISPENSING SYSTEM, APPARATUS AND METHODS - Various handheld medical dispensing configurations and methods including the following: Handheld medical dispensing system comprises a syringe, which has a plunger, releasably mounted to syringe actuation apparatus, the apparatus having an actuator configured such that it can move the plunger more than once to dispense a plurality of amounts of substance from the syringe. A method of dispensing fluid from a syringe comprises holding a medical substance delivery system including a syringe, which has a needle, and which is secured to syringe actuation apparatus configured to dispense predetermined amounts of the substance from the syringe, penetrating the needle at one patient site and using the apparatus to deliver a predetermined amount of the substance, and penetrating the needle at another patient site and using the apparatus to deliver a predetermined amount of the substance. | 02-11-2016 |
| 20160151577 | MULTIPLE DOSAGE INJECTOR WITH ROTATING SCREW DOSAGE SYSTEM | 06-02-2016 |
