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Class Information
Number: 604/232
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 > Material introduced or removed through conduit, holder, or implantable reservoir inserted in body > Means moved by person to inject or remove fluent material to or from body inserted conduit, holder, or reservoir > Injector or aspirator syringe supported only by person during use (e.g., hand held hypodermic syringe, douche tube with forced injection, etc.) > With piston or plunger for expelling material from body or injector reservoir > Material reservoir (e.g., cartridge, etc.) removably mounted in syringe
Description: Subject matter wherein the syringe means has a material holding cartridge detachably located therein so that the cartridge can be removed and replaced after the material has been dispensed from or filled into the cartridge.

Sub-classes under this class:

Class Number Class Name Patents
604/234 Material reservoir centered or clamped in syringe by slidable component 47
604/235 Means for ejecting, or facilitating ejection of material reservoir from syringe 44
604/233 Piston actuator mounted in means (e.g., yoke, etc.) pivoted to syringe 27

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8690837 Mixing device for a two-chamber ampoule Apr. 8, 2014
8679072 Bone-regeneration material Mar. 25, 2014
8679071 Injection device comprising a mechanical lock Mar. 25, 2014
8679070 Modular administration system Mar. 25, 2014
8662087 Device, method, and composition for reducing the incidence of tobacco smoking Mar. 4, 2014
8628495 Power injector syringe assembly Jan. 14, 2014
8613726 Control tabs for infusion devices and methods of using the same Dec. 24, 2013
8613720 Automatic reconstitution injector device Dec. 24, 2013
8603045 Injection device Dec. 10, 2013
8603040 Disposable injection device Dec. 10, 2013
8585658 Drug delivery device for delivery of a medicament Nov. 19, 2013
8579865 Hazardous agent injection system Nov. 12, 2013
8579853 Infusion devices and methods Nov. 12, 2013
8568364 Drug delivery device Oct. 29, 2013
8545441 Injector having a displaceable stopper part Oct. 1, 2013
8529522 Fluid transfer device having removable needle cartridge Sep. 10, 2013
8523825 Dispenser device Sep. 3, 2013
8512288 Infusion medium delivery device and method with drive device for driving plunger in reservoir Aug. 20, 2013
8491538 Injection device comprising several coupling mechanisms Jul. 23, 2013
8491531 Electrically actuated injector Jul. 23, 2013
8480631 Hazardous agent injection system Jul. 9, 2013
8480617 Injection device and ampoule unit Jul. 9, 2013
8460244 Reservoir compartment adapter for infusion device Jun. 11, 2013
8414541 Hypodermic syringe mechanism Apr. 9, 2013
8414538 Single-handed syringe Apr. 9, 2013
8409148 Device for the dosed administration of a fluid product, provided with a coupling Apr. 2, 2013
8394070 Device for bolus administration of contrast agent Mar. 12, 2013
8361025 Preservative-free follicle stimulating hormone solution delivery device Jan. 29, 2013
8353879 Syringe/plunger coupling Jan. 15, 2013
8353866 Multi-chambered mixing syringe device and methods of use Jan. 15, 2013
8348907 Hypodermic injection system Jan. 8, 2013
8348903 Dispenser cartridge for radiopharmaceuticals Jan. 8, 2013
8298194 Injection device and a method of changing a cartridge in the device Oct. 30, 2012
8251958 Medicament microdevice delivery system, cartridge and method of use Aug. 28, 2012
8241257 Pen needle assembly Aug. 14, 2012
8221360 Medication clip Jul. 17, 2012
8206351 Administration apparatus for medical use Jun. 26, 2012
8152763 Disposable carpule for hypodermic syringe Apr. 10, 2012
8128604 Device and method for dosing a substance Mar. 6, 2012
8096449 Dispensing appliance for a multiple cartridge Jan. 17, 2012
8092420 Automatic reconstitution injector device Jan. 10, 2012
8057427 Drug delivery system with a small amount of a therapeutic agent Nov. 15, 2011
8048037 Injection device comprising several coupling mechanisms Nov. 1, 2011
8034033 Hypodermic syringe with vial attachment Oct. 11, 2011
7998929 Solution preparations stabilized over long time Aug. 16, 2011
7993300 Method for ensuring constant speed of a motor in an injection device Aug. 9, 2011
7951113 Device for the dosed administration of a fluid product comprising a torsion spring drive May. 31, 2011
7931618 Apparatuses and methods for injecting medicines to a desired depth Apr. 26, 2011
7905868 Infusion medium delivery device and method with drive device for driving plunger in reservoir Mar. 15, 2011
7905866 Disposable injection device Mar. 15, 2011

1 2 3 4 5 6 7 8

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