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Class Information
Number: 604/71
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 > Multidose type
Description: Subject matter wherein plural doses of the body treating material are either sequentially or simultaneously fed into the injector for injection of measured doses into the body.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7547300 |
Vial adaptor for regulating pressure |
Jun. 16, 2009 |
| 7510548 |
Vial adaptor for regulating pressure |
Mar. 31, 2009 |
| 7354427 |
Vial adaptor for regulating pressure |
Apr. 8, 2008 |
| 7156822 |
Needleless syringe with membrane isolating a multiple duct injector |
Jan. 2, 2007 |
| 7131961 |
Needle-free injection system |
Nov. 7, 2006 |
| 7074210 |
Universal protector cap with auto-disable features for needle-free injectors |
Jul. 11, 2006 |
| 7025757 |
Syringe loading devices for use with syringes and medical injectors |
Apr. 11, 2006 |
| 6974446 |
Storage container comprising a dosing means for dispensing an injectable product to an injection device in doses |
Dec. 13, 2005 |
| 6802826 |
Universal anti-infectious protector for needleless injectors |
Oct. 12, 2004 |
| 6752781 |
Durable hypodermic jet injector apparatus and method |
Jun. 22, 2004 |
| 6716190 |
Device and methods for the delivery and injection of therapeutic and diagnostic agents to a target site within a body |
Apr. 6, 2004 |
| 6613011 |
Gas-pressured engine with valve |
Sep. 2, 2003 |
| 6302855 |
Medical apparatus for use by a patient for medical self treatment of diabetes |
Oct. 16, 2001 |
| 6231540 |
Injection member |
May. 15, 2001 |
| 6196990 |
Vibrator appliance particularly useful for dialysis |
Mar. 6, 2001 |
| 5954689 |
Jet injector |
Sep. 21, 1999 |
| 5865796 |
Gas driven gene delivery instrument |
Feb. 2, 1999 |
| 5584807 |
Gas driven gene delivery instrument |
Dec. 17, 1996 |
| 5569190 |
Hypodermic fluid dispenser |
Oct. 29, 1996 |
| 5505697 |
Electrically powered jet injector |
Apr. 9, 1996 |
| 5318522 |
Hypodermic fluid dispenser |
Jun. 7, 1994 |
| 5256142 |
Injector administering subcutaneous injections without a needle and with a one-shot cap |
Oct. 26, 1993 |
| 5080648 |
Hypodermic fluid dispenser |
Jan. 14, 1992 |
| 5049125 |
Needleless injection apparatus of a liquid, notably for dental care |
Sep. 17, 1991 |
| 4722729 |
Needleless injection instrument |
Feb. 2, 1988 |
| 4662878 |
Medicine vial adaptor for needleless injector |
May. 5, 1987 |
| 4592742 |
Pressure hypodermic syringe |
Jun. 3, 1986 |
| 4560377 |
Endermic injector device |
Dec. 24, 1985 |
| 4507113 |
Hypodermic jet injector |
Mar. 26, 1985 |
| 4447225 |
Multidose jet injector |
May. 8, 1984 |
| 4342310 |
Hydro-pneumatic jet injector |
Aug. 3, 1982 |
| 4103684 |
Hydraulically powered hypodermic injector with adapters for reducing and increasing fluid injection force |
Aug. 1, 1978 |
| 4059107 |
Two step type pressurized injector |
Nov. 22, 1977 |
| 3933155 |
Pressure injector apparatus having improved trigger mechanism |
Jan. 20, 1976 |
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