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Class Information
Number: 604/89
Name: Surgery > Means for introducing or removing material from body for therapeutic purposes (e.g., medicating, irrigating, aspirating, etc.) > Treating material introduced into or removed from body orifice, or inserted or removed subcutaneously other than by diffusing through skin > Means for intermixing liquid with solid or different liquid > Closure or barrier between compartments moved to permit mixing
Description: Subject matter including a sealing element which is displaced from its sealing position between separate storage spaces to permit flow of a material therebetween for the purpose of blending or, in the case of a solid in a liquid.

Sub-classes under this class:

Class Number Class Name Patents
604/91 Closure moved by relative movement between closure and separate protruding member 71
604/90 Closure moved, expanded, or flexed by force transmitted by liquid 134

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8690837 Mixing device for a two-chamber ampoule Apr. 8, 2014
8679056 Syringe Mar. 25, 2014
8657481 Systems and methods for mixing fluids Feb. 25, 2014
8641669 Electromechanical injection apparatus Feb. 4, 2014
8622956 Injection device with simplified stopper retention Jan. 7, 2014
8613720 Automatic reconstitution injector device Dec. 24, 2013
8608686 Syringe devices, components of syringe devices, and methods of forming components and syringe devices Dec. 17, 2013
8556848 Valve for mixing of substances Oct. 15, 2013
8545441 Injector having a displaceable stopper part Oct. 1, 2013
8544682 Method and device for the serial ejection of two fluids comprising a spacer Oct. 1, 2013
8545440 Injection system for delivering multiple fluids within the anatomy Oct. 1, 2013
8529503 Medicament delivery device Sep. 10, 2013
8517983 Dual chamber combined container-syringe Aug. 27, 2013
8512278 Mixing/administration syringe devices, protective packaging and methods of protecting syringe handlers Aug. 20, 2013
8506526 Seal structures for wet/dry automatic injectors Aug. 13, 2013
8500681 Injection systems Aug. 6, 2013
8486006 Medical injector with button activation Jul. 16, 2013
8486007 Injection device Jul. 16, 2013
8469923 Cartridge for powder and liquid drug Jun. 25, 2013
8469924 Method and apparatus for generating vascular treatment foam Jun. 25, 2013
8454558 Syringe-in-syringe hollow inner barrel/plunger with integral seal and rupturable membrane and related kits, systems and methods Jun. 4, 2013
8425453 Compact medication reconstitution device and method Apr. 23, 2013
8419722 Apparatus and method for injection of fibrin sealant in spinal applications Apr. 16, 2013
8414353 Brassiere configured to receive breast pump receptacle Apr. 9, 2013
8403882 Applicator device for applying a multi-component fluid Mar. 26, 2013
8403923 Injection of fibrin sealant in the absence of corticosteroids in spinal applications Mar. 26, 2013
8398585 Injector and two-chamber system having sealing container adapter Mar. 19, 2013
8394052 Syringe-in-syringe hollow inner barrel/plunger with integral seal and rupturable membrane and related kits, systems, and methods Mar. 12, 2013
8382704 Systems and methods of delivering a dilated slurry to a patient Feb. 26, 2013
8376989 Compartmented syringe Feb. 19, 2013
8372031 Medicament delivery device Feb. 12, 2013
8357147 Method for repairing intervertebral discs Jan. 22, 2013
8328784 Systems and methods for delivery of peritoneal dialysis (PD) solutions Dec. 11, 2012
8323237 One-hand operated drug mixing and expelling device Dec. 4, 2012
8323238 Medical injector with rotatable body portions Dec. 4, 2012
8317743 Medicament mixing and injection apparatus Nov. 27, 2012
8252228 Methods for sterilizing carriers for treatment of a kidney Aug. 28, 2012
8231567 Syringe devices and methods for mixing and administering medication Jul. 31, 2012
8226627 Reconstitution assembly, locking device and method for a diluent container Jul. 24, 2012
8220985 Retractable pin mixing sample forming device Jul. 17, 2012
8187220 Seal structures for wet/dry automatic injectors May. 29, 2012
8167834 Injection device May. 1, 2012
8167835 Single chamber device for drawing in and dispensing components May. 1, 2012
8142414 Methods of injecting fluids into joints using a handpiece assembly Mar. 27, 2012
8137307 Syringe devices, components of syringe devices, and methods of forming components and syringe devices Mar. 20, 2012
8123719 Devices, systems and methods for medicament delivery Feb. 28, 2012
8096971 Dual chamber container for lyophilization, process for the filling up and use thereof Jan. 17, 2012
8092420 Automatic reconstitution injector device Jan. 10, 2012
8092421 Dual-chamber carpule Jan. 10, 2012
8092422 Dual-chamber carpule with attachment Jan. 10, 2012

1 2 3 4 5 6

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