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Class Information
Number: 128/205.16
Name: Surgery > Respiratory method or device > Means for supplying respiratory gas under positive pressure > Respiratory gas supplied from expandable bag, bellows, or squeeze bulb > Biased to contracted or expanded position by mechanical means (e.g., weight, spring, etc.)
Description: Subject matter where in the bag, bellows, or squeeze bulb is urged to a contracted or expanded position by a mechanical means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7392805 |
Method and apparatus for manual delivery of volume and pressure-control artificial ventilation |
Jul. 1, 2008 |
| 7360538 |
Oxygen therapy face mask |
Apr. 22, 2008 |
| 7284554 |
Continuous positive airway pressure device |
Oct. 23, 2007 |
| 7121278 |
Method and apparatus for manual delivery of volume and pressure-control artificial ventilation |
Oct. 17, 2006 |
| 7089940 |
Balanced valve device and breathing apparatus comprising such valve device |
Aug. 15, 2006 |
| 7066177 |
Exhalation valves |
Jun. 27, 2006 |
| 6988499 |
Mechanical resuscitator |
Jan. 24, 2006 |
| 6910484 |
Constant pressure generator |
Jun. 28, 2005 |
| 6675799 |
Device and method of isolating bias flow |
Jan. 13, 2004 |
| 6408848 |
Method and apparatus for conveniently setting a predetermined volume for re-breathing |
Jun. 25, 2002 |
| 6328036 |
Anesthetic apparatus and method for operating same |
Dec. 11, 2001 |
| 6283120 |
Variable volume ratio compound counterlung |
Sep. 4, 2001 |
| 6283121 |
Manual pump and Ambu bag |
Sep. 4, 2001 |
| 6253767 |
Gas concentrator |
Jul. 3, 2001 |
| 5996580 |
Personal emergency breathing system with locator for supplied air respirators and shock resistant filter mounting |
Dec. 7, 1999 |
| 5819730 |
Device for administering pharmaceutical substances |
Oct. 13, 1998 |
| 5787880 |
Resuscitation device |
Aug. 4, 1998 |
| 5769072 |
Anesthetic system with multiple valve-controlled bellows |
Jun. 23, 1998 |
| 5738089 |
Equipment for assisting respiration and system for assisting respiration |
Apr. 14, 1998 |
| 5711296 |
Continuous positive airway pressure system |
Jan. 27, 1998 |
| 5664564 |
Aspirating/ventilating apparatus and method |
Sep. 9, 1997 |
| 5645056 |
Variable volumetric inflatable pump |
Jul. 8, 1997 |
| 5640952 |
Personal emergency breathing system for supplied air respirators |
Jun. 24, 1997 |
| 5628305 |
Universal ventilation device |
May. 13, 1997 |
| 5619987 |
Semi-closed rebreathing apparatus with water removing pump |
Apr. 15, 1997 |
| 5484270 |
Pump particularly useful in respirator apparatus and exhalation valve assembly therefor |
Jan. 16, 1996 |
| 5388576 |
Inflatable resuscitation device |
Feb. 14, 1995 |
| 5315988 |
Reactive, closed-circuit underwater breathing apparatus |
May. 31, 1994 |
| 5313938 |
Valved resuscitation pump having secretion removal means |
May. 24, 1994 |
| 5305739 |
Inflatable resuscitation device |
Apr. 26, 1994 |
| 5222491 |
Temporary patient ventilator |
Jun. 29, 1993 |
| 5109833 |
Heart massage and artificial respiration device |
May. 5, 1992 |
| 5092327 |
Diving equipment powered by a diver's exertion |
Mar. 3, 1992 |
| 5076267 |
Closed circuit breathing device with pressure sensing means |
Dec. 31, 1991 |
| 5038772 |
Closed-cycle breathing equipment |
Aug. 13, 1991 |
| 4934360 |
Disposable manual resuscitator |
Jun. 19, 1990 |
| 4898167 |
AIDS protection ventilation system |
Feb. 6, 1990 |
| 4793340 |
Breathing system for divers |
Dec. 27, 1988 |
| 4635629 |
Breathing apparatus |
Jan. 13, 1987 |
| 4576159 |
Gas mixing and flow smoothing apparatus |
Mar. 18, 1986 |
| 4567889 |
Protective breathing aid device for diving or other operation under pressure |
Feb. 4, 1986 |
| 4506667 |
Self-contained ventilator/resuscitator |
Mar. 26, 1985 |
| 4498470 |
Respirator having circulating breathing gas |
Feb. 12, 1985 |
| 4364384 |
Excess pressure respirator with pressurized breathing gas shutoff |
Dec. 21, 1982 |
| 4349015 |
Manually-actuable CPR apparatus |
Sep. 14, 1982 |
| 4297999 |
Portable resuscitation apparatus |
Nov. 3, 1981 |
| 4252114 |
Breathing bag assembly |
Feb. 24, 1981 |
| 4224940 |
Respirators |
Sep. 30, 1980 |
| 4197843 |
Volume limiting ventilator |
Apr. 15, 1980 |
| 4176663 |
Medical ventilation apparatus |
Dec. 4, 1979 |
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