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Class 604/228 - Specific structure of means coupling piston to piston actuator


Subclass of Class 604 - Surgery
Definition: Subject matter wherein significance is attributed to the
No. of applications: 52
Last issue date: 05/03/2012


1    
Application No.Application TitleIssue Date
20120109074DRUG DELIVERY DEVICE WITH AN IMPROVED PISTON ROD
An improved drug delivery device is provided having a piston rod that incorporates on its proximal end at least one guidepost that is configured for transmitting axial and rotational forces from a drive mechanism. The device comprises a drug delivery device housing and ...
05/03/2012
20120109076PISTON FOR SYRINGE HAVING VERY SMALL CAPACITY, AND PLUNGER HAVING THE PISTON MOUNTED THERETO
Disclosed are a piston for a micro-volume syringe and a plunger. The micro-volume syringe has a syringe barrel with a space defined in it. The piston is slidable on and along a wall of the space. A leading member to be arranged on a side where the piston comes into cont...
05/03/2012
20120109075MEDICAL 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 d...
05/03/2012
20120083748DRUG 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 e...
04/05/2012
20120053516MEDICAL INJECTOR WITH ROTATABLE BODY PORTIONS
A medical injector is provided herein which includes first and second body portions rotatably coupled together; a displaceable plunger disposed in at least one of the first and second body portions; a spring disposed to advance the plunger; and, a releasable retainer fo...
03/01/2012
20120041389MEDICAMENT DELIVERY DEVICE
The present invention relates to a medicament delivery device comprising a housing (10) having opposite distal and proximal ends; a medicament container holder (15) with a medicament container (14), disposed within the housing, wherein the container...
02/16/2012
20110282297TAMPER EVIDENT NEEDLE GUARD FOR SYRINGES
A medicine injection device comprises a cartridge having a cartridge barrel and a plunger having a plunger shaft slidable within the cartridge barrel. The cartridge may have, e.g., a pre-filled medicine. The medicine injection device farther comprises a body having a pr...
11/17/2011
20110230833Device and Method for Injecting Fluids or Gels
A device for successively injecting material at predetermined distances between successive injections to body tissue along a desired path of skin surface includes an injector sub-assembly having a needle configured for injecting the material into body tissue, and a disp...
09/22/2011
20110224643PRE-FILL SYRINGE
A pre-fill syringe with a receiver tube (1, 12, 21) with a nozzle (4, 20) positioned at the nozzle-side end of the receiving tube (1, 12, 21), the piston (2, 18) is to be formed in such a manner that it for a transport state at the nozzle-sid...
09/15/2011
20110218513Biologics Delivery System
A system for harvesting, preparing, and delivering biological materials or other therapeutic agents is disclosed. The system is adaptable to a variety of biological materials or other therapeutic agents. The system is adaptable for minimally invasive procedures where ac...
09/08/2011
20110218500AUTOMATIC INJECTION DEVICE WITH AUDIBLE INDICATOR OF COMPLETED INJECTION
The present invention relates to a device (1) for automatic injection comprising a container (2), a piston (8) and:
    • 09/08/2011
20110213299MEDICAL INJECTOR WITH BUTTON ACTIVATION
A medical injector is provided herein which includes a body; a slidable button at least partially disposed in the body; a displaceable plunger disposed in the body; a spring disposed to advance the plunger; and, a releasable retainer for retaining the plunger in a first...
09/01/2011
20110213315MEDICAL INJECTOR WITH SLIDABLE SLEEVE ACTIVATION
In one aspect, a medical injector is provided herein which includes a body; a displaceable plunger disposed in the body; a spring disposed to advance the plunger; a releasable retainer for retaining the plunger in a first state against force of the spring; and, a sleeve...
09/01/2011
20110202013MEDICAL INJECTOR WITH COUPLED BODY PORTIONS
A medical injector is provided herein which includes first and second body portions each having a longitudinal axis and configured to couple at a coupling. The first and second body portions are complementarily formed so as to be movable about the coupling. The medical ...
08/18/2011
20110178500FIRING BUTTON FOR AUTOMATIC INJECTION DEVICE
Exemplary embodiments provide firing mechanism assemblies that minimize or eliminate a misfire of an automatic injection device that causes a delay in the delivery of an injection. Exemplary embodiments provide automatic injection devices including firing mechanism asse...
07/21/2011
20110178497Focused dosimetry device and methods associated therewith
A device 560, for administering multiple single doses of a medicated cream, includes a cartridge 562 having a barrel 564 for containing the cream, a plunger 608 for moving the cream from within the cartridge, and a stem 610 for moving ...
07/21/2011
20110160650RETENTION SYSTEMS AND METHODS
A system for retaining a fluid delivery device, the fluid delivery device may include a reservoir and a plunger arm operatively connected to a plunger head arranged for movement within the reservoir, the plunger arm having an arm portion operatively engageable with a dr...
06/30/2011
20110144594INJECTOR SAFETY DEVICE
A safety member for use with an injection device is disclosed. The safety member includes a blocking ring extending into a housing of the injection device in blocking association with a latch member associated with a trigger mechanism of the injector, in which the block...
06/16/2011
20110106018Ampoule Unit With Thread
Ampoule unit for an administering device, comprising an ampoule having a distal end with an opening for dispensing a product and a proximal end with an opening for accommodating a displacement body unit, and the proximal end of the ampoule has a thread which can be plac...
05/05/2011
20110082429BIOINJECTION DEVICE
The bioinjection device has a housing including a pistol grip and an elongated barrel. A trigger is pivotally mounted to the housing. A plunger and needle are slidable between a first position in which the plunger and needle are slidably disposed in the barrel and a sec...
04/07/2011
20100288663Syringe Assembly
A syringe assembly comprises a syringe barrel having an elongated body defining a chamber for retaining fluid, an open proximal end, a distal end and a frusto-conically shaped tip extending from the distal end and having a passageway therethrough in fluid communication ...
11/18/2010
20100280461DRUG DELIVERY DEVICE FOR DELIVERY OF A MEDICAMENT
Various embodiments of drug delivery devices and methods of assembling such devices are provided. In one embodiment, a drug delivery device for dispensing medicament comprises a medicament cartridge, wherein the cartridge comprises (i) a distal end, (ii) a proximal end ...
11/04/2010
20100185157Plunger Assembly for Syringe
Provided is a plunger assembly for a syringe in which a piston can be held at the leading end of a plunger rod without fault and the piston together with the plunger rod can be pulled out in an integrated manner even in the case in which a pulling out operation is carri...
07/22/2010
20100130935APPARATUS 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 f...
05/27/2010
20100094205Dosing and Drive Mechanism for Drug Delivery Device
The present invention relates to drive mechanisms suitable for use in drug delivery devices, in particular pen-type injectors, wherein a number of pre-set doses of medicinal product can be administered. In particular, the present invention relates to such drug delivery ...
04/15/2010
20100094253Drive mechanisms suitable for use in drug delivery devices
The present invention relates to drive mechanisms suitable for use in drug delivery devices, in particular pen-type injectors, wherein a number of pre-set doses of medicinal product can be administered. In particular, the present invention relates to such drug delivery ...
04/15/2010
20100081997DOSAGE DELIVERY DEVICE
A dosage delivery device having a housing within which is formed a reservoir, with a plunger located within the reservoir and movable to dispense a material from a discharge opening of the reservoir. The device includes a plunger actuation mechanism, which is movable be...
04/01/2010
20100057014SYRINGE PLUNGER AND SYRINGE INCORPORATING THE PLUNGER
A plunger for a syringe, comprising a cylindrical hollow body having a closed base and an opening located at the opposite base of said hollow body, wherein a seat accessible through said opening is provided to receive the head of a rod or a pusher, said seat being equip...
03/04/2010
20090318880Syringe With Two Piece Plunger Rod
Medical devices comprising a syringe barrel, a stopper and a two piece plunger rod are provided. According to one or more embodiments, the two piece plunger rod includes a first plunger rod piece slidably mounted to a second plunger rod piece. The first and second plung...
12/24/2009
20090259198RESERVOIR PLUNGER HEAD SYSTEMS AND METHODS
A casing may be configured to envelop at least a portion of a plunger arm attached to a plunger head located in a reservoir. A plunger head moveable in a reservoir may have a front portion comprising a first material compatible with fluidic media in an interior volume o...
10/15/2009
20090240211ADAPTER FOR AN INJECTION APPLIANCE
An adapter for use with an appliance for administering an injectable product, the adapter serving to create a product connection between a catheter and a product container that can be inserted into the appliance, and including a thread for screwing the adapter to the ap...
09/24/2009
20090234299INJECTION DEVICE
An injection device with a travelling clutch which can be shifted between two different positions by the activation of an injection button. In the first position, the injection button and the driver is allowed to rotate relatively to the piston rod, which is blocked fro...
09/17/2009
20090182285Syringe Using In Fat Transplantation
The present invention relates to a syringe used in fat transplantation comprising: a cylinder having a coupling part formed at one side thereof such that a cannula, a needle or a cap is detachably coupled, an open part formed at the other end, and a flange formed at an ...
07/16/2009
20090177156SPRING 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 pr...
07/09/2009
20090137967PRODUCT DELIVERY DEVICE WITH RAPID PISTON ROD SETTING
A substance delivery device including a casing formed by a first casing portion for a substance reservoir including a piston, a piston rod movable in an advancing direction to move the piston toward an outlet of the reservoir to deliver the substance, a dosing element w...
05/28/2009
20090131878PLUNGER ROD AND SYRINGE
A plunger rod useful for sliding a piston inserted in a syringe barrel has a threaded portion formed at an end of the plunger rod to attach the piston on the plunger rod and a flange formed at an opposite end of the plunger rod. The threaded portion and the flange are i...
05/21/2009
20090124995Backer Plate Adapter for a Syringe Plunger
A backer plate adapter (10) for a syringe plunger (20). The backer plate adapter (10) includes a first end (26) adapted to be engaged with a syringe plunger (20), wherein a portion of said first end (26) defines a recess. The ba...
05/14/2009
20090124982Injector Device for Syringes
The invention relates to an injector device for a syringe, the syringe including a plunger movably receivable by a barrel, the plunger having a push flange and the barrel defining an interior to movably receive the plunger, the barrel further including a base end includ...
05/14/2009
20080287886SYSTEM AND DEVICE FOR REMOVING PHARMACEUTICAL PRODUCTS
A system for removing or tranferring a pharmaceutical product from a reservoir including an ampoule with a moveable piston therein and an adaptor which includes, generally along a longitudinal axis, a reservoir connector and an ampoule connector for coupling to the ampo...
11/20/2008
20080262440Holding Device for Locking the Head of a Syringe Piston on a Syringe Pump Pusher
A holding device for locking the head of a syringe piston on a pusher has arms connected to respective pinions pivotable and translationally displaceable so that the corresponding arm is involved in the same motion between a rest position, in which the arms are closed a...
10/23/2008
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