Artificial respiration apparatus

The present invention provides a small-size, small-weight, low-cost artificial respiration apparatus which can easily be used in an ordinary hospital.The artificial respiration apparatus 10 includes: a positive blower 12p for generating a positive air pressure Ap; a negative blower 12n for generatin...

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Bibliographic Details
Main Authors YAMADA YOSHITSUGU, SUZUKI KATSUYOSHI, SUGIURA YASUHITO, NITTA KAZUFUKU, KAMADA MASAHIRO, YASUKAWA MIKIO, TAKAKI TOSHIHISA
Format Patent
LanguageEnglish
Published 03.04.2001
Edition7
Subjects
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
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Summary:The present invention provides a small-size, small-weight, low-cost artificial respiration apparatus which can easily be used in an ordinary hospital.The artificial respiration apparatus 10 includes: a positive blower 12p for generating a positive air pressure Ap; a negative blower 12n for generating a negative air pressure An; a rotary valve mechanism 54 for alternately selecting the positive pressure Ap generated by the positive blower 12p and the negative pressure An generated by the negative blower 12n and converting them into an oscillating air pressure Apn; and a diaphragm block 56 urged by the oscillating air pressure Apn from the rotary valve mechanism 54 to operate to supply air to a patient P. Use of the positive blower 12p and the negative blower 12n significantly reduces the load, enabling to use ones available on market, i.e., small-size, small-weight, low-consumption blowers.
Bibliography:Application Number: US19990280973