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Class Information
Number: 604/218
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
Description: Subject matter having a piston or ram which is actuated by a person to force a body treating material from a material container into the body or to draw material from the body into the container.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7597685 |
Injection device |
Oct. 6, 2009 |
| 7588556 |
Syringe |
Sep. 15, 2009 |
| 7566326 |
Syringe plunger locking mechanism |
Jul. 28, 2009 |
| 7547297 |
Pharmaceutical syringe piston |
Jun. 16, 2009 |
| 7534233 |
Flush syringe having anti-reflux features |
May. 19, 2009 |
| 7517334 |
Medication dispensing apparatus with spring-driven locking feature enabled by administration of final dose |
Apr. 14, 2009 |
| 7500967 |
Single use syringe |
Mar. 10, 2009 |
| 7481797 |
Retractable needle single use safety syringe |
Jan. 27, 2009 |
| 7452344 |
Platelet concentration syringe kit |
Nov. 18, 2008 |
| 7449009 |
Device for needle-free injection of a medium into the tissue of a human or an animal, device for needle free production of an injection channel and method for the needle free injection of a me |
Nov. 11, 2008 |
| 7445613 |
Product delivery device with rapid piston rod setting |
Nov. 4, 2008 |
| 7419478 |
Front-loading syringe for medical injector having a flexible syringe retaining ring |
Sep. 2, 2008 |
| 7374678 |
Apparatus and method for separating and concentrating fluids containing multiple components |
May. 20, 2008 |
| 7361164 |
Multi-outlet medical dispensing device |
Apr. 22, 2008 |
| 7361162 |
Medicinal syringe with piston stopper withdrawal and rotation-limiting means |
Apr. 22, 2008 |
| 7351228 |
Plunger rod for arterial blood collection syringes |
Apr. 1, 2008 |
| 7331942 |
Flush syringe having anti-reflux stopper |
Feb. 19, 2008 |
| 7297136 |
Medicine injection devices and methods |
Nov. 20, 2007 |
| 7220248 |
Flexible piston rod |
May. 22, 2007 |
| 7198619 |
Valve syringe |
Apr. 3, 2007 |
| 7182987 |
Process of injection moulding a syringe from polyethylene wax containing polypropylenne, syringe obtained thereby and particulate composition therefor |
Feb. 27, 2007 |
| 7179391 |
Apparatus and method for separating and concentrating fluids containing multiple components |
Feb. 20, 2007 |
| 7169180 |
System and method for breast augmentation |
Jan. 30, 2007 |
| 7128246 |
Slotted plunger |
Oct. 31, 2006 |
| 7118556 |
Forward-Mounted Plunger Control for Retrofit Attachment to an Existing Syringe |
Oct. 10, 2006 |
| 7104968 |
Applicator device for suppositories and the like |
Sep. 12, 2006 |
| 7104972 |
Injection device with a dose setting limiter |
Sep. 12, 2006 |
| 7090657 |
Auto-disable safety syringe |
Aug. 15, 2006 |
| 7083590 |
Multiple material dispensing |
Aug. 1, 2006 |
| 7081107 |
Syringe and prefilled syringe |
Jul. 25, 2006 |
| 7074210 |
Universal protector cap with auto-disable features for needle-free injectors |
Jul. 11, 2006 |
| 7070581 |
Dispenser for medicaments and method and apparatus for making same |
Jul. 4, 2006 |
| 7060054 |
Suction piece for or on a device administering an injectable product |
Jun. 13, 2006 |
| 7056301 |
Syringe |
Jun. 6, 2006 |
| 7056307 |
Weight dependent, automatic filling dosage system and method of using same |
Jun. 6, 2006 |
| 7044125 |
Drug delivery system including holder and drug container |
May. 16, 2006 |
| 7041081 |
Continuous liquid infusion device |
May. 9, 2006 |
| 7041084 |
Hand-held, hand operated power syringe and methods |
May. 9, 2006 |
| 7033338 |
Cartridge and rod for axially loading medication pump |
Apr. 25, 2006 |
| 7033343 |
Retractable needle medical device for injecting fluid from a pre-filled cartridge |
Apr. 25, 2006 |
| 7025757 |
Syringe loading devices for use with syringes and medical injectors |
Apr. 11, 2006 |
| 7008405 |
Drive mechanism for an injection device |
Mar. 7, 2006 |
| 6986756 |
Single use syringe and plunger rod locking device therefor |
Jan. 17, 2006 |
| 6986758 |
Device for administering an injectable product in doses |
Jan. 17, 2006 |
| 6984222 |
Plunger systems |
Jan. 10, 2006 |
| 6981962 |
Liquid dispensing device |
Jan. 3, 2006 |
| 6979314 |
Safety syringe |
Dec. 27, 2005 |
| 6972008 |
Syringe having a tapered plunger |
Dec. 6, 2005 |
| 6966894 |
Syringes and injectors incorporating mechanical fluid agitation devices |
Nov. 22, 2005 |
| 6964648 |
Device for inserting implants |
Nov. 15, 2005 |
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