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Class 604/135 - Spring drives piston


Subclass of Class 604 - Surgery
Definition: Subject matter wherein material is forced into or out of
No. of patents: 262
Last issue date: 05/29/2012


1              
NumberTitleIssue Date
8187226Autoinjector
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...
05/29/2012
8167840Disposable injector comprising at least one draw hook and a sliding wedge-type gear for unlocking a locking element
A disposable injector with a housing (10) in which are arranged at least one mechanical spring energy store (50), at least one cylinder-piston unit that can be filled at least temporarily with an active substance, at least one piston actuation plunger ...
05/01/2012
8162887Automatic injection devices
An injection device comprises a syringe extendible against a spring bias from a retracted position in a housing to a projecting injecting position. A spring biased plunger has collapsible elbows which, when the plunger is released, initially engage the end of the sy...
04/24/2012
8137313Device for injection of a product, in particular for medical use
A medical device for the injection of a product. The device includes a body receiving an injection needle and a container containing the product to be injected; an arrangement for holding the needle in an injection position; an arrangement for holding the container ...
03/20/2012
8123725Portable infusion pump of the skin patch type with spiral collapsible reservoir
An ambulatory pump comprising a reservoir (1) for holding the fluid to be pumped and having an outlet (7) through which fluid is expelled in use; a closure (8) device movable relative to the reservoir; and an actuator (14) for moving the ...
02/28/2012
8070727Drive mechanisms suitable for use in drug delivery devices
The present disclosure is directed to a dose setting mechanism that may be used with a drug delivery device. The dose setting mechanism may include an inner body having a helical thread along an outer cylindrical surface of the inner body, and a drive sleeve for dri...
12/06/2011
8062254Spring 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 forc...
11/22/2011
8021335Prefilled 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 o...
09/20/2011
7951113Device for the dosed administration of a fluid product comprising a torsion spring drive
A device for administering a fluid product including a housing, a conveying device for the product, a coupling element provided for the drive of the conveying device and which can be rotated about a rotational axis, a first blocking element connected in a rotational...
05/31/2011
7938802Automatic injection devices
An injection device comprises a syringe (1) extendible against a spring bias (9) from a retracted position in a housing (2) to a projecting injecting position. A spring biased plunger has collapsible elbows (10) which, when the plunger is...
05/10/2011
7896841Injection device for administering a vaccine
An injection device that self-administers a painless vaccine injections. The injection device (10) can be secured to the patient's skin via a separable base portion (12) of the housing of the device, which can be separated from the device when removing...
03/01/2011
7789858Device for administering a fluid product
An administering device for a fluid product includes a product receptacle that accommodates the product to be administered, a fluid reservoir for a driving fluid, a driving means, a product chamber, and a fluid connection. The product receptacle includes an opening ...
09/07/2010
7789857Infusion medium delivery system, device and method with needle inserter and needle inserter device and method
An infusion medium delivery system, device and method for delivering an infusion medium to a patient-user, includes a needle inserter device and method for inserting a needle and/or cannula into a patient-user to convey the infusion medium to the patient-user. The n...
09/07/2010
7749195Administration device with an insertion mechanism and a delivery mechanism
A device for administering an injectable product including an insertion mechanism for inserting an injection needle into a tissue, the insertion mechanism including a first pressure element, a delivery mechanism for delivering the product from a product container, t...
07/06/2010
7670314Injection device for administering a vaccine
A manually-powered injection device that self-administers a painless injection. The injection device provides a method for substantially painless injections of vaccine and other medication into a patient that does not require the use of an anesthetic, that does not ...
03/02/2010
7524304Drug infusion device
The invention provides a drug delivery infusion device comprising an injection means (18) in fluid connection with a drug reservoir chamber (12) and pressure-generation means (10) coupled to both the drug reservoir (12) and to a liquid-fi...
04/28/2009
7407492Reading aid for a device for administering a settable dosage of an injectable product
A plug-on body which can be plugged onto a device for administering a settable dosage of an injectable product, the plug-on body including a first plug-on body section extending axially in the direction of a plug-on body axis for fixing the plug-on body to a dosing ...
08/05/2008
7371247Method and apparatus for penetrating tissue
A tissue penetrating system includes a plurality of penetrating members each having a tip. A penetrating member driver is coupled to the plurality of penetrating members. Each tip of a penetrating member is uncovered during launch of the penetrating member by the pe...
05/13/2008
7371228Delivery of therapeutics to treat aneurysms
A method and device for the treatment of an aneurysm are provided. Different therapeutic agents are delivered to the aneurysmal site by a reservoir and delivery means in a localized, and, in some embodiments, time-released regimen, to treat, limit and reduce the sev...
05/13/2008
7357791Device for administering an injectable product
The invention provides a injection device for administering an injectable product, including a base section adapted to receive a container from which a product dose is dispensed through a needle by displacement of a piston in the container, and a drive unit includin...
04/15/2008
7341575Medical injector and medicament loading system for use therewith
The present invention discloses a medical injector and medicament loading system for use therewith. The medicament loading system includes cap for a medicament cartridge. The cap has a post for causing movement of the cartridge stopper toward the seal when the cap e...
03/11/2008
7337922Platen pump
An infusion pump for expelling a fluid from a collapsible fluid reservoir to a patient. The pump includes a housing having a chamber therein for receiving the fluid reservoir. A first wall is provided on the housing for contacting the fluid reservoir, and a second w...
03/04/2008
7331931Method and apparatus for penetrating tissue
These and other objects of the present invention are achieved in a body fluid sampling system for use on a tissue site that includes an electrically powered drive force generator. A penetrating member is operatively coupled to the force generator. The force generato...
02/19/2008
7328743Toe-to-heel waterflooding with progressive blockage of the toe region
A modified toe-to-heel waterflooding (TTHW) process is provided for recovering oil from a reservoir in an underground formation. After establishing the conventional TTHW waterflood, the process includes placing a chemical blocking agent at the watered out producing ...
02/12/2008
7329241Drug delivery system for administering an adjustable preset dose
An embodiment of the present invention provides an apparatus for setting a dose of a drug in a syringe having a plunger, comprising an outer housing and an inner housing adapted for encircling the syringe, such that the inner housing is positioned within the outer h...
02/12/2008
7329239Insertion device for an insertion set and method of using the same
An insertion device and insertion set. The insertion device for inserting at least a portion of at least one piercing member of an insertion set through the skin of a patient includes a device housing, a carrier body and a driver. The carrier body is slidably receiv...
02/12/2008
7328064Electroporation device and injection apparatus
An apparatus is provided for injecting a fluid into body tissue, the apparatus comprising: a hollow needle; and fluid delivery means, wherein the apparatus is adapted to actuate the fluid delivery means i...
02/05/2008
7318816Insertion device for an insertion set and method of using the same
An insertion device and insertion set. The insertion device for inserting at least a portion of at least one piercing member of an insertion set through the skin of a patient includes a device housing, a carrier body and a driver. The carrier body is slidably receiv...
01/15/2008
7316700Self optimizing lancing device with adaptation means to temporal variations in cutaneous properties
A lancing device, an embodiment of which controls the advancement and retraction of a lancet by monitoring the position of the lancet in conjunction with a lancet controller which incorporates a feedback loop for modulating the lancet driver to follow a predetermine...
01/08/2008
7309333Medication delivery system having selective automated or manual discharge
A portable medication delivery system enables a patient to elect slow continuous auto-administration or rapid bolus self-administration of a fluid medication. The medication delivery system has an infusion pump, which includes a fluid storage chamber and a spring-dr...
12/18/2007
7310544Methods and systems for inserting a transcutaneous analyte sensor
The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host. ...
12/18/2007
7303268Ink refill unit for refilling a high speed print engine
A printing fluid dispenser is provided for a printing fluid refill cartridge. The dispenser has a body which stores printing fluid and has an outlet through which the printing fluid is dispensed, and a selector arranged to select the amount of the printing fluid to ...
12/04/2007
7303549Transcutaneous fluid delivery system
A device for delivering fluid to a person including a reservoir for containing a fluid to be delivered to the person, a fluid transport device for dispensing fluid from said reservoir to the person, said fluid transport device including a proximal end in fluid commu...
12/04/2007
7291117Method and apparatus for penetrating tissue
These and other objects of the present invention are achieved in a body fluid sampling system for use on a tissue site that includes a voice coil based penetrating member driver. A plurality of penetrating members are included. A transport mechanism is configured to...
11/06/2007
7287485Temperature activated systems
A shape memory material activated device of the present invention uses a shape memory material activator to create a path through a shell wall of the device. The path through the shell wall may release a substance contained in the shell or allow a substance to enter...
10/30/2007
7270648Drug delivery apparatus
A drug to be infused into a patient is contained in a syringe or vial having a displaceable plunger for ejecting the drug out through an injection port into an administration set. Motion of the plunger of the drug delivery syringe/vial is controlled by a driver syri...
09/18/2007
7258693Device and method for variable speed lancet
A method of penetrating tissue is provided. The method comprises using a lancet driver to advance a lancet into the tissue; advancing the lancet at a first desired velocity in a first layer of tissue; advancing the lancet at a second desired velocity in a second lay...
08/21/2007
7252651Disposable injection device
An injection device is provided. The device includes a housing having a first end defining a first opening. A plunger is received within the first opening of the housing to move between first and second positions. A cartridge is disposed in the housing and has an in...
08/07/2007
7250037Patch-like infusion device
A system and method for a patch-like, self-contained substance infusion device which provides one or more substantially hidden patient needles which can be placed in fluid communication with a fluid reservoir subassembly that includes a rigid bladder portion used in...
07/31/2007
7244265Method and apparatus for penetrating tissue
These and other objects of the present invention are achieved in a body fluid sampling system for use on a tissue site that includes a drive force generator and a penetrating member operatively coupled to the force generator. The force generator moves the member alo...
07/17/2007
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