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Class Information
Number: 604/209
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.) > Having means for metering material flow to or from body > Including means for controlling piston stroke length > By rachet and pawl
Description: Subject matter wherein the piston moving means comprises a bar or wheel having teeth engaged by a propelling pawl.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7563245 |
Syringe for powder medicament premixing |
Jul. 21, 2009 |
| 7470259 |
Dosage control syringe |
Dec. 30, 2008 |
| 7364570 |
Controlled volume injection/aspiration device |
Apr. 29, 2008 |
| 7341574 |
Veterinary syringe |
Mar. 11, 2008 |
| 7032785 |
Caulking gun having angle adjustment function |
Apr. 25, 2006 |
| 7032786 |
Caulking gun having angle adjustment function |
Apr. 25, 2006 |
| 7011234 |
Device for dispensing combined doses of fluid product |
Mar. 14, 2006 |
| 6752781 |
Durable hypodermic jet injector apparatus and method |
Jun. 22, 2004 |
| 6699224 |
Device for administering an injectable product |
Mar. 2, 2004 |
| 6613023 |
Device for administering an injectable product in doses |
Sep. 2, 2003 |
| 6607512 |
Device for delivery of liquid and gel-like surgical materials and methods for use thereof |
Aug. 19, 2003 |
| 6599272 |
Injection device and method for its operation |
Jul. 29, 2003 |
| 6565539 |
Device for applying a flowable medium, notably a tissue adhesive |
May. 20, 2003 |
| 6427878 |
Apparatus for the discharge of an atomized liquid medium in partial strokes of different length |
Aug. 6, 2002 |
| 6302869 |
Syringe having a flexible piston rod |
Oct. 16, 2001 |
| 6283941 |
Single-use syringe with aspirating mechanism |
Sep. 4, 2001 |
| 6277096 |
Digital fluid delivery and aspiration apparatus with mechanical de-amplifier |
Aug. 21, 2001 |
| 6110149 |
Syringe |
Aug. 29, 2000 |
| 6102895 |
Digital fluid delivery and aspiration apparatus with mechanical de-amplifier |
Aug. 15, 2000 |
| 6083197 |
Spring-actuated needleless injector |
Jul. 4, 2000 |
| 5961496 |
Syringe with tiltable nut for quick piston disengagement |
Oct. 5, 1999 |
| 5961495 |
Medication delivery pen having a priming mechanism |
Oct. 5, 1999 |
| 5893488 |
Bone cement injector gun |
Apr. 13, 1999 |
| 5891106 |
Syringe |
Apr. 6, 1999 |
| 5810398 |
Fluid delivery systems and methods and assemblies for making connections |
Sep. 22, 1998 |
| 5807340 |
Self refilling I.V. syringe |
Sep. 15, 1998 |
| 5807346 |
Metering instrument, particularly for injecting medicinal liquid |
Sep. 15, 1998 |
| 5733258 |
Livestock biological and vaccine handling system to include pistol grip syringe and cartridge |
Mar. 31, 1998 |
| 5728074 |
Pen-type injector with a microprocessor and blood characteristic monitor |
Mar. 17, 1998 |
| 5638997 |
Bone cement injector gun |
Jun. 17, 1997 |
| 5599314 |
Syringe with incrementally actuated plunger |
Feb. 4, 1997 |
| 5545147 |
Anti-backup improvement for hypodermic syringes |
Aug. 13, 1996 |
| 5531708 |
Syringe for dispensing multiple dosages |
Jul. 2, 1996 |
| 5520658 |
Dispensing device for dispensing at least two fluids |
May. 28, 1996 |
| 5507727 |
Inflation deflation syringe assembly for use in angioplasty procedures |
Apr. 16, 1996 |
| 5496293 |
Advancing mechanism for an injection device |
Mar. 5, 1996 |
| 5433352 |
Liquid dispenser |
Jul. 18, 1995 |
| 5383865 |
Medication dispensing device |
Jan. 24, 1995 |
| 5376079 |
Dispensing device for dispensing at least two fluids |
Dec. 27, 1994 |
| 5370630 |
Device for injection of fluidic materials into body tissue |
Dec. 6, 1994 |
| 5350365 |
Surgical instrument for injecting/removing non-solid substances |
Sep. 27, 1994 |
| 5328486 |
Syringe for dispensing multiple dosages |
Jul. 12, 1994 |
| 5281198 |
Pharmaceutical component-mixing delivery assembly |
Jan. 25, 1994 |
| 5281197 |
Endoscopic hemostatic agent delivery system |
Jan. 25, 1994 |
| 5246011 |
Fine needle aspiration syringe |
Sep. 21, 1993 |
| 5226896 |
Dose indicating injection pen |
Jul. 13, 1993 |
| 5092842 |
Injection device with a cocking element and a second setting element |
Mar. 3, 1992 |
| 5017190 |
Dosage unit for dosing a number of measured quantities of a liquid, such as an insulin preparation, from a container, preferably a cartridge |
May. 21, 1991 |
| 4994065 |
Apparatus for dispensing low viscosity semi-fluid material under pressure |
Feb. 19, 1991 |
| 4950163 |
Dental syringe for treating gums |
Aug. 21, 1990 |
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