1
Thomas C Robinson: Respiratory humidifier. Searle Cardio Pulmonary Systems, Lothrop & West, September 21, 1976: US03982095 (170 worldwide citation)

A respiratory humidifier has a base with a thermally controlled heater therein effective to heat a first transfer surface on the top of the base. Removably pressed against the first transfer surface is a second transfer surface forming the bottom of a container into which liquid is admitted, close t ...


2
Kenneth G Miller: Respiratory humidifier. Intertech Resources, Marshall O Toole Gerstein Murray & Bicknell, June 28, 1988: US04753758 (116 worldwide citation)

A humidifier assembly is disclosed. The humidifier assembly includes a housing, a heater in the housing, a hollow shell on the housing, a partition wall within the shell, and a liquid water inlet that is unitary with the hollow shell. The heater provides an exposed heated surface for contacting liqu ...


3
David J Sims: Humidifier with dual float valves. Fisher & Paykel, Trexler Bushnell Giangiorgi & Blackstone, August 29, 1995: US05445143 (59 worldwide citation)

A humidification chamber for a respiratory humidifier water is maintained by the use of floats which actuate valves to control the passage of water through a water inlet. Two floats are each provided with actuating mechanisms to separately control the respective valve members. The separate valve mem ...


4
Stephen W McPhee: Heated respiratory humidifier conduit. Fisher & Paykel, Trexler Bushnell Giangiorgi & Blackstone, July 23, 1996: US05537996 (52 worldwide citation)

A heated respiratory humidifier conduit for use with a respiratory humidifier/ventilator circuit. The conduit consists of an inspiratory tube passing gases from the humidifier/ventilator to the patient and an expiratory tube passing exhaled gases from the patient back to the gases supply. An insulat ...


5
Sims David John: Humidifier with dual float valves.. Fisher & Paykel, March 30, 1994: EP0589429-A1 (36 worldwide citation)

A humidification chamber (1A) for a respiratory humidifier (30) in which a level of liquid water is maintained by the use of floats (2, 3) which actuate valves (8, 10 and 9, 11) to control the passage of water through a water inlet (4). Two floats (2, 3) are each provided with actuating mechanisms t ...


6
Mcauley Alastair Edwin, Lo Raymond Ka Yau, Wixey David Fraser, Makinson Douglas Ian: Humidifier with internal heating element and heater plate. Fisher & Paykel Healthcare, Mcauley Alastair Edwin, Lo Raymond Ka Yau, Wixey David Fraser, Makinson Douglas Ian, ADAMS Matthew D, February 28, 2008: WO/2008/024001 (4 worldwide citation)

A respiratory humidifier chamber for use with a breathing assistance apparatus is described. The chamber comprises a watertight vessel having an inlet for receiving gases from the breathing assistance apparatus, and an outlet through which heated humidified gases exit the vessel for delivery to a pa ...


7
Respiratory humidifier. Searle Cardio Pulmonary Syst, July 27, 1977: GB1480786-A (3 worldwide citation)

1480786 Respiratory humidifiers SEARLE CARDIOPULMONARY SYSTEMS Inc 3 Oct 1974 [4 Oct 1973] 42892/74 Heading A5T A respiratory humidifier comprises a base 6, a heater block 16 having a frustoconical surface 19 and mounted on the base, a container 26 mounted on the base with a frustoconical lower surf ...


8
White Craig Karl, Rumbold Duncan James: Conduit overheating detection system. Fisher &Amp Paykel Healthcare, September 2, 2003: JP2003-245353 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide a conduit overheating detection system for a wire or a heating element used for a heated breathing conduit for coupling a patient to a respiratory humidifier.SOLUTION: This invention relates to the respiratory humidifier (10) and the heated breathing conduit (14) to ...


9
Beran Anthony Vincent: Humidification in respiratory systems.. Respiratory Support Prod, November 14, 1990: EP0397446-A2 (1 worldwide citation)

A respiratory humidifier has an outer flexible, gas-tight bag 10 containing water 12 and an exothermic chemical heater 16. A sandwich of an open-celled foam 36 and a vapour-permeable/water impermeable layer 30 is secured on the inside of the bag by compressing and welding the sandwich to the wall of ...


10
Koch Jochim, Radomski Klaus: Respiratory humidifier. Draeger Medical, July 5, 2006: GB2421691-A (1 worldwide citation)

An improved, pump-less respiratory humidifier with a water top-up device (1, 2) and an electrically heated evaporator (5), which has a tubular housing which is filled with a porous material, whereby the one end side of the housing is in liquid-connection with the automatic water top-up device (1, 2) ...