| |
 |
|
Class Information
Number: 604/224
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 > Piston moved by screw or rack
Description: Subject matter wherein movement of the piston is effected by means of a threaded mechanism or a rack and pinion type mechanism.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4779770 |
Metering dispenser |
Oct. 25, 1988 |
| 4749109 |
Volumetric pump with replaceable reservoir assembly |
Jun. 7, 1988 |
| 4744494 |
Ram gun |
May. 17, 1988 |
| 4743230 |
Inflating and deflating device for balloon dilatation catheters |
May. 10, 1988 |
| 4732302 |
Device for the metered discharge of dental material |
Mar. 22, 1988 |
| 4710172 |
High pressure syringe with pressure indicator |
Dec. 1, 1987 |
| 4673396 |
Syringe cartridge |
Jun. 16, 1987 |
| 4659327 |
Multiple dosage syringe |
Apr. 21, 1987 |
| 4648872 |
Volumetric pump with replaceable reservoir assembly |
Mar. 10, 1987 |
| 4634431 |
Syringe injector |
Jan. 6, 1987 |
| 4592745 |
Dispenser |
Jun. 3, 1986 |
| 4580577 |
Method and apparatus for collecting saliva |
Apr. 8, 1986 |
| 4568335 |
Device for the controlled infusion of medications |
Feb. 4, 1986 |
| 4560352 |
Dispenser for metering dental compositions |
Dec. 24, 1985 |
| 4546767 |
Cement injection device |
Oct. 15, 1985 |
| 4498904 |
Dose metering plunger devices for use with syringes |
Feb. 12, 1985 |
| 4493704 |
Portable fluid infusion apparatus |
Jan. 15, 1985 |
| 4479445 |
Adjustable embroidering tool |
Oct. 30, 1984 |
| 4479781 |
Dispenser for metering dental compositions |
Oct. 30, 1984 |
| 4465478 |
Syringe force amplification device |
Aug. 14, 1984 |
| 4449645 |
Dental container and amalgam dispensing method |
May. 22, 1984 |
| 4444560 |
Dental instrument-PDL syringe |
Apr. 24, 1984 |
| 4418702 |
Method and apparatus for collecting saliva |
Dec. 6, 1983 |
| 4367739 |
Syringe |
Jan. 11, 1983 |
| 4364388 |
Syringe dispensing apparatus |
Dec. 21, 1982 |
| 4346708 |
Syringe |
Aug. 31, 1982 |
| 4312343 |
Syringe |
Jan. 26, 1982 |
| 4265618 |
Electrically heated endodontic syringe for injecting thermoplastic material into a root canal cavity |
May. 5, 1981 |
| 4237871 |
Devices for injecting pastes or fluids into the human body |
Dec. 9, 1980 |
| 4231368 |
Device for intramuscular injections, especially of insulin |
Nov. 4, 1980 |
| 4212297 |
Micro-fluid exchange coupling apparatus |
Jul. 15, 1980 |
| 4189065 |
Metering dispenser for high-viscosity compositions |
Feb. 19, 1980 |
| 4184490 |
Precision endodontic syringe |
Jan. 22, 1980 |
| 4155490 |
Fluid dispenser |
May. 22, 1979 |
| 4121587 |
Root canal delivery syringe |
Oct. 24, 1978 |
| 4005699 |
Methods and apparatus for use in magnetic treatment of the body |
Feb. 1, 1977 |
| 3993064 |
One-handed syringe |
Nov. 23, 1976 |
| 3977574 |
Dispensing pipette actuator system |
Aug. 31, 1976 |
|
|
|
