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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 |
| 6368314 |
Monitoring of the pressure of a product fluid to be administered in dosed amounts during infusion or injection |
Apr. 9, 2002 |
| 6106501 |
Injection device |
Aug. 22, 2000 |
| 6074372 |
Dose setting mechanism and an injection syringe having such a dose setting mechanism |
Jun. 13, 2000 |
| 6050450 |
Apparatus and system for precision dispensing of fluids and method of operating the same |
Apr. 18, 2000 |
| 6048334 |
Syringe, injector and injector system |
Apr. 11, 2000 |
| 6045537 |
Syringe with automatically withdrawable of piston rod |
Apr. 4, 2000 |
| 6042565 |
Syringe, injector and injector system |
Mar. 28, 2000 |
| 6024728 |
Veterinary syringe with dosing device |
Feb. 15, 2000 |
| 6007515 |
Controlled action, manually operable fluid application |
Dec. 28, 1999 |
| 6004298 |
Injection devices |
Dec. 21, 1999 |
| 5807334 |
Fluid dispensing apparatus |
Sep. 15, 1998 |
| 5743889 |
Incrementing dosage mechanism for syringe |
Apr. 28, 1998 |
| 5733258 |
Livestock biological and vaccine handling system to include pistol grip syringe and cartridge |
Mar. 31, 1998 |
| 5728075 |
Injection devices |
Mar. 17, 1998 |
| 5685864 |
Locking device for aspirator, syringe or like instrument |
Nov. 11, 1997 |
| 5637095 |
Medication infusion pump with flexible drive plunger |
Jun. 10, 1997 |
| 5624408 |
Syringe |
Apr. 29, 1997 |
| 5611784 |
Manual dispensing aid for a syringe |
Mar. 18, 1997 |
| 5599314 |
Syringe with incrementally actuated plunger |
Feb. 4, 1997 |
| 5591136 |
Injection device |
Jan. 7, 1997 |
| 5472424 |
Syringe with volume displacement apparatus |
Dec. 5, 1995 |
| 5456388 |
Thumbwheel operated metering dispenser for adhesives |
Oct. 10, 1995 |
| 5339830 |
Blood coagulation test system |
Aug. 23, 1994 |
| 5336183 |
Inflator |
Aug. 9, 1994 |
| 5300042 |
Medication dispensing apparatus |
Apr. 5, 1994 |
| 5290260 |
Rotational pressure drive for a medical syringe |
Mar. 1, 1994 |
| 5284132 |
Device for the transnasal or oral administration of drugs or the like |
Feb. 8, 1994 |
| 5284480 |
Inflation/deflation syringe with threaded plunger |
Feb. 8, 1994 |
| 5213115 |
Inflation system for a balloon catheter |
May. 25, 1993 |
| 5209732 |
Locking syringe with thread-release lock |
May. 11, 1993 |
| 5160327 |
Rotational pressure drive for a medical syringe |
Nov. 3, 1992 |
| 5137514 |
Inflation syringe assembly for percutaneous transluminal angioplasty |
Aug. 11, 1992 |
| 5104380 |
Syringe with dose metering device |
Apr. 14, 1992 |
| 5098386 |
Infant nasal suction apparatus |
Mar. 24, 1992 |
| 5057078 |
Locking syringe |
Oct. 15, 1991 |
| 5047015 |
Locking syringe |
Sep. 10, 1991 |
| 5047012 |
Motorized syringe with multiple port manifold |
Sep. 10, 1991 |
| 5004124 |
Method and apparatus for dispensing a fluid substance |
Apr. 2, 1991 |
| 4988337 |
Syringe pump apparatus |
Jan. 29, 1991 |
| 4968299 |
Method and device for injection |
Nov. 6, 1990 |
| 4929234 |
Automatic drip infusion set |
May. 29, 1990 |
| 4926860 |
ARthroscopic instrumentation and method |
May. 22, 1990 |
| 4863072 |
Single hand operable dental composite package |
Sep. 5, 1989 |
| 4852768 |
Dosing syringe |
Aug. 1, 1989 |
| 4846785 |
Instrument for artificial insemination, embryo transfer or sampling follicular liquids in mammals |
Jul. 11, 1989 |
| 4826483 |
Non-reusable syringe |
May. 2, 1989 |
| 4820287 |
Syringe for high pressure injection of fluid or paste products |
Apr. 11, 1989 |
| 4813870 |
Dispenser for viscous liquids |
Mar. 21, 1989 |
| 4810249 |
Linear and Vernier-type syringe |
Mar. 7, 1989 |
| 4805810 |
Dosating dispenser for topical formulations |
Feb. 21, 1989 |
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