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Class Information
Number: 604/68
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 > Needleless hypodermic injector
Description: Subject matter wherein a body treating material is forced through the skin without the use of a piercing conduit or needle.










Sub-classes under this class:

Class Number Class Name Patents
604/69 Material expelled from injector by explosive charge 71
604/70 Material expelled from injector by pressurized fluid 144
604/71 Multidose type 60
604/72 Structure of material reservoir replaceably held in injector 79


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8663158 Needleless injector drug capsule and a method for filling thereof Mar. 4, 2014
8652094 Syringe with universal end-piece Feb. 18, 2014
8652095 Skin retention device for a medical jet injection kit Feb. 18, 2014
8641668 Disposable injector with at least one tension hook Feb. 4, 2014
8636704 Automatic injection device Jan. 28, 2014
8636688 Universal syringe with retractable needle Jan. 28, 2014
8632508 Mechanism for injection device Jan. 21, 2014
8628494 Devices, systems, and methods for delivering fluid to tissue Jan. 14, 2014
8617099 Injection device plunger auto-disable Dec. 31, 2013
8597233 Cylinder-piston unit suitable for storing injection solutions for a needle-free automatic or manual filling of the cylinder-piston unit, also under atmospheric pressure Dec. 3, 2013
8574188 Drug delivery technology Nov. 5, 2013
8574217 Sub-mucosal agent delivery method for the eye Nov. 5, 2013
8540665 Particle cassettes and processes therefor Sep. 24, 2013
8535263 Single-use injector capable of pumping and having a flexurally elastic housing Sep. 17, 2013
8529499 Disposable injector with at least one central traction rod Sep. 10, 2013
8529500 Needle-less injector and method of fluid delivery Sep. 10, 2013
8523838 Connector device Sep. 3, 2013
8523806 Sprayer Sep. 3, 2013
8500681 Injection systems Aug. 6, 2013
8491468 Suction syringe and endoscope apparatus Jul. 23, 2013
8491524 Needleless injector drug capsule and a method for filling thereof Jul. 23, 2013
8486002 Drug delivery devices and methods with collimated gas stream and release-activatable tape Jul. 16, 2013
8480617 Injection device and ampoule unit Jul. 9, 2013
8430839 Drug delivery devices and methods with collimated gas stream and drug reservoir Apr. 30, 2013
8409164 Anti-reflux vial adaptors Apr. 2, 2013
8403834 Automatic return syringe with ventilation paths for air and suction ports Mar. 26, 2013
8398583 Method and apparatus for extraction of a sample from a sample source Mar. 19, 2013
8398593 Brake for injection devices Mar. 19, 2013
8388569 Delivery devices and methods with collimated gas stream and particle source Mar. 5, 2013
8376993 Multiple dosage injector Feb. 19, 2013
8372035 Disposable injector with manually actuated piston Feb. 12, 2013
8372030 Apparatus for an improved high pressure medicinal dispenser Feb. 12, 2013
8357132 Urine capturing assembly Jan. 22, 2013
8343094 Universal syringe with retractable needle Jan. 1, 2013
8343130 Needleless injector Jan. 1, 2013
8333730 Single-use injector having a flexurally elastic metal housing Dec. 18, 2012
8328755 Controlled needle-free transport Dec. 11, 2012
RE43824 Needleless syringe Nov. 20, 2012
8287489 Device for readying a needle free injector for delivery Oct. 16, 2012
8287490 Disposable injector provided with high injector safety Oct. 16, 2012
8267903 Casing Sep. 18, 2012
8262604 Single-use injector with at least one draw hook Sep. 11, 2012
8241243 Needleless injector drug capsule and a method for filling thereof Aug. 14, 2012
8202249 Injection device with puncture function, method for controlling injection device with puncture function, chemical solution administration device, and method for controlling chemical solution a Jun. 19, 2012
8172790 Needle-free injector device with autoloading capability May. 8, 2012
8142391 Electrostatic transcutaneous hypodermic spray (electrostatic hypospray) Mar. 27, 2012
8123718 Charging mechanism for a needle free injector Feb. 28, 2012
8105271 Single-use injector having a flexurally elastic housing Jan. 31, 2012
8100853 Methodology for drug delivery device with sliding valve Jan. 24, 2012
8092419 Disposable injector with at least one support rod Jan. 10, 2012

1 2 3 4 5 6










 
 
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