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8142391 |
Electrostatic transcutaneous hypodermic spray (electrostatic hypospray)
A method and apparatus for delivering therapeutic or diagnostic agents as a low pressure high velocity spray into tissue. According to the particular desired spray characteristics, the spray may be...
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8070714 |
Needleless syringe provided with modular reservoir
The technical field of the invention is that of needleless pre-filled disposable syringes, operating with a gas generator, and used for intradermal, subcutaneous and intramuscular injections, of a...
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8066661 |
Viscous formulations and their use in needle-free injection
Formulations are described that are viscous and will benefit from needle-free delivery at high driving pressures. Conventional delivery of these viscous formulations by hypodermic syringes is...
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7981075 |
Device for needleless injection operating with two concentric energetic materials
A needleless injection device used for intradermal, subcutaneous and intramuscular injections is disclosed. The device includes a pyrotechnic gas generator, at least one piston, a reserve of liquid...
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7972321 |
Vial adaptor for regulating pressure
In certain embodiments, a vial adaptor for removing liquid contents from a vial includes a piercing member and a bag. The bag can be contained within the piercing member such that the bag is...
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RE42463 |
Single-use needle-less hypodermic jet injection apparatus and method
A gas-powered, single-use, needle-less hypodermic jet injection device includes a hand-held injector, and a drug injection cartridge which provides a cylinder of liquid medication to be injected,...
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7806867 |
Injection device
An injection device includes a housing having a proximal end and a distal end, the housing defining a distal opening, and a first opening in a side of the housing and between the proximal and...
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7510548 |
Vial adaptor for regulating pressure
In certain embodiments, a vial adaptor for removing liquid contents from a vial comprises a piercing member and a bag. The bag can be contained within the piercing member such that the bag is...
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7500960 |
Needleless injection device comprising a pyrotechnic cartridge, and method of assembling such a device
The invention relates to a method of assembling a needleless injection device (1), whereby a plurality of elements forming a circuit of elements is assembled to a body (2). The aforementioned...
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7455655 |
Needleless injection device comprising means for regulating the gas pressure level in the combustion chamber
The invention relates to a needleless injection device (1) comprising a body (2) which supports and/or defines a plurality of elements that form a circuit of elements. The aforementioned circuit...
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7404808 |
Needleless syringe comprising an optimized injector-receptacle
The invention relates to the realm of needleless syringes used for injecting liquid active substances. Said syringe comprises a reservoir that is enclosed by means of displaceable plugs which trap...
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7357780 |
Needleless syringe functioning with a double-composition pyrotechnic charge
The technical field of the invention is that of pre-filled and disposable needleless syringes, used for intradermal, subcutaneous and intramuscular injections of liquid active principle for...
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7351220 |
Portable device for delivering medicaments and the like
Disclosed is a portable device for delivering a medicament or the like into the body of a human or animal subject, the device comprising: a medicament compartment containing the medicament or the...
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7320677 |
Needleless syringe for the delivery of therapeutic agents
A needleless syringe for subcutaneously delivering a therapeutic agent comprising a generally constant diameter elongate tubular nozzle and an inert gas reservoir thereto is described herein. The...
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7261702 |
Needleless syringe operating with an impact wave generator through a wall
The technical field of the invention is that of needleless syringes used for intradermal, subcutaneous or intramuscular injections of active principle for therapeutic purposes. More particularly,...
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7160265 |
Needleless injection device with pyrotechnic drive
The invention relates to a needle-less injection device, comprising a cannula (5) which can be inserted in a housing (3), can be filled with a predetermined active substance (11) for injection, and...
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7150409 |
Injection systems
The invention in general relates to various injection systems and devices that can be used, for example, in needleless injection systems for human, and for domestic and farm animals. In certain...
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7074210 |
Universal protector cap with auto-disable features for needle-free injectors
Disclosed is a medical device used to prevent the cross-contamination of patients or injectors in which various components placed on the injector minimize or eliminate back splash contamination of...
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7056300 |
Needleless syringe for injecting a liquid contained in a prefilled ampule
A needleless syringe comprises a reservoir sealed with mobile closure elements enclosed the liquid, the reservoir being initially isolated from the injection system which is so designed that it...
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6964649 |
Needle-less injection apparatus and method
A device and method for delivering and injecting fluid into heart tissue utilizing high pressure injection to increase injectate (fluid) retention in the heart tissue. The catheter includes a shaft...
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6960184 |
Injection devices
Injection devices, such as needleless injection devices, and methods of making the using the same are disclosed.
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6942645 |
Needleless syringe with two injection speed levels
A needleless syringe for injecting a liquid active principle. The syringe improves bioavailability by providing injection at two speed levels. The syringe includes a reservoir contained between an...
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6913593 |
Needleless syringe which functions with the active agent being driven by a shocktube effect
The invention relates to a needleless syringe (1), comprising the following' successively: a gas generator, a gas expansion chamber (3), a means for retaining particles of the active agent and a...
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6911015 |
Needleless syringe functioning by shock-tube effect, with prior lateral retention of the active principle
The invention concerns a needleless syringe (1) comprising a trigger, a gas generator (2) prolonged by a gas expansion chamber (3), a system for retaining particles and an ejection tube (4). The...
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6837866 |
Needleless syringe provided with an ejection tube with a constant cross-section
The invention relates to a needless syringe (1), comprising in succession, a gas generator (2), a gas expansion chamber (3) and a means for retaining the particles of an active agent, comprising at...
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6835187 |
Needleless syringe provided with an inner seal containing the active principle
The technical field of the invention is that of needleless syringes used for injecting active principles in powder form for therapeutic purposes. The invention concerns a needleless syringe (1)...
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6802826 |
Universal anti-infectious protector for needleless injectors
Disclosed is a medical device used to prevent the cross contamination of patients or injectors.
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6689094 |
Compound delivery using impulse transients
A method for delivering compounds through epithelial cell layers using impulse transients is described. The method involves applying a compound to, e.g., the stratum corneum, of a patient and then...
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6666843 |
Needleless syringe with temporarily retained thrusting means
The invention concerns the field of needless syringe for injecting liquid active principle for therapeutic purposes. It concerns a syringe wherein the active principle (1, 10) is initially placed...
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6641554 |
Disposable needle-free injection apparatus and method
One form of the invention provides a needle-free injection system including the following components: a nozzle portion having a glass wall defining a drug storage space, and an injection wall...
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6623446 |
Needleless syringe comprising an injector with stacked elements
The invention concerns the technical field of needleless syringes for injecting an active principle for therapeutic purposes. More particularly, it concerns a needleless syringe for injecting an...
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6620135 |
Needleless injectors
A pressurised gas powered actuator comprising a piston (3) operating in a cylinder (1). The stroke of the piston (3) may be reduced by uncovering one or more holes (14, 20) in the cylinder wall to...
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6616627 |
Injection device
An injection device includes a housing having a proximal end and a distal end, the housing defining a distal opening, and a first opening in a side of the housing and between the proximal and...
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6613011 |
Gas-pressured engine with valve
An engine with a valve suitable for containing compressed gas and expelling the same upon opening of the valve is provided. Upon application of sufficient force to an element of the valve, the...
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6610028 |
Needless syringe provided with a piezoelectric triggering system
The invention concerns the technical field of needleless syringes for injecting an active principle through the skin. More particularly, the invention concerns a needleless syringe provided with a...
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6572581 |
Ergonomic needle-less jet injection apparatus and method
A gas-powered, single-use, needle-less jet injection device (10, 210, 410) includes a hand-held injector (12, 212, 412), and a drug injection cartridge (14, 114, 414) which provides a volume of...
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6537245 |
Needleless syringe with a friction activated pyrotechnic initiator
A needleless syringe equipped with an initiating device comprising a triggering device and a pyrotechnic charge, wherein the triggering device contains a triggering member connected to a friction...
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6270473 |
Hypodermic jet injector and disposable ampule
A hypodermic jet injector employing self-contained, patient fillable, thin-walled disposable ampules. Each ampule includes an elongate plastic body with an injection orifice at a first end, an...
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6258063 |
Hypodermic injection system
A hypodermic injection system allows for the generation of a high pressure liquid jet capable of passing through the skin. The system uses two regions, the first region being flexible or squeezable...
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6165155 |
Multipathway electronically-controlled drug delivery system
A low-profile multipathway automatic drug delivery system utilizing a battery powered control pad coupled to a disposable drug storage and delivery system and strapped to a patient's limb or torso....
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6096002 |
NGAS powered self-resetting needle-less hypodermic jet injection apparatus and method
A needle-less hypodermic jet injection device includes a hand-held injector, and a drug injection cartridge which provides a cylinder of liquid medication to be injected, an injection orifice, and...
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5630796 |
Method of delivering powder transdermally with needless injector
A needleless syringe having a membrane which is ruptured by gas pressure to generate a supersonic gas flow in which particles containing a therapeutic agent are injected. This provides effective...
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5503628 |
Patient-fillable hypodermic jet injector
A hypodermic jet injector employing self-contained, patient fillable, thin-walled disposable ampules. Each ampule includes an elongate plastic body with an injection orifice at a first end, an...
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5179022 |
Biolistic apparatus for delivering substances into cells and tissues in a non-lethal manner
An apparatus for delivering substances into living cells and tissues includes an impeller of the type adapted to use an explosive charge for sending a macroprojectile through an accelerator passage...
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4652261 |
Drug-injection animal capture collar
A drug-injection animal collar includes electrically operated drug injection darts or syringes that are controlled by control circuitry mounted on the collar which may be preset and self-timed and...
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4345594 |
Closely controllable intravenous injection system
An apparatus is provided for injecting fluid into a patient over an extended period of time, such as in intravenous feeding of a patient. The apparatus enables close control of injection quantity...
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4124024 |
Disposable hypodermic injection ampule
A self-contained disposable explosively actuated ampule for performing needleless percutaneous injection. The ampule comprises an outer shell enclosing an elongated inner chamber including a closed...
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4089334 |
Pyrotechnically powered needleless injector
A pyrotechnically powered needleless injector for introducing predetermined quantities of medicaments interstitially through the skin. The injector includes a barrel formed to receive an ampul. An...
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3802430 |
DISPOSABLE PYROTECHNICALLY POWERED INJECTOR
A disposable pyrotechnically powered injector comprising a barrel formed to receive an ampule, an ampule having a plug at one end and an orifice at the other and containing a selected medicament, a...
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3335722 |
Hypodermic device
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