Portable lung apparatus

• US 4,232,665 A
• Filed: 01/10/1979
• Issued: 11/11/1980
• Est. Priority Date: 01/10/1979
• Status: Expired due to Term

• Current Assignee: Vesper A. Vaseen
• Original Assignee: Vesper A. Vaseen
• Inventors: Vaseen, Vesper A.
• Primary Examiner(s): Recla, Henry J.
• Application Number:
  US06/002,459
• Time in Patent Office: 671 Days
• Field of Search: 128/172, 128/188, 128/207.28, 128/200.24, 128/913, 424/366
• US Class Current: 128/200.24
• CPC Class Codes: A61M 16/0054 Liquid ventilation
• CPC Class Codes: A61M 16/1065 in the expiratory path
• CPC Class Codes: A61M 16/16 Devices to humidify the respiration air A61M16/1045 takes precedence
• CPC Class Codes: A61M 2202/0476 Oxygenated solutions
• CPC Class Codes: Y10S 128/913 Breathable liquids

Abstract

This invention relates to the combination of a number of pieces of separate functioning apparatus in order to accomplish the combined purposes of producing medical grade oxygen from air, saturating an inert isotonic liquid with the oxygen, adjusting the temperature of the oxygen saturated liquid to a predetermined temperature, injecting the oxygen saturated liquid into the bottom of the animal lung(s) cavity, circulating the liquid up through the lung(s) cavity by removal of the carbon dioxide saturated liquid at the top of the lung(s) cavity along with displaced from the lung(s) cavity non-miscible, aqueous liquid; separation of nonmiscible liquid, filtering of isotonic liquid for particulate removal, heat sterilization of isotonic liquid as well as stripping of remaining absorbed gases, particularly carbon dioxide (CO₂), cooling and temperature adjusting of isotonic liquid to predetermined desired temperature, and return of isotonic liquid to saturator for resaturation with oxygen and repeat cycle use. Remaining isotonic liquid in the lung(s) cavity, at end of treatment is removed by inverting animal sufficiently to raise the influent tube at bottom of lung(s) cavity above effluent tube and inflating lung(s) cavity with medical grade oxygen gas.

Claims

1. A composite mechanical lung machine, consisting of:

medical oxygen supply means;

isotonic, breathable liquid oxygen saturator means connected to said oxygen supply means for saturating isotonic, breathable liquid with oxygen from said supply means;

first heat exchanger means connected to said oxygen saturator means for temperature adjustment of the breathable liquid;

means for introducing said oxygen saturated isotonic liquid into animal lung(s) cavity;

means for removing said isotonic liquid from the animal lung(s) cavity;

first transfer pump means for transferring said isotonic, breathable liquid from said first heat exchanger means to said introducing means;

first flow and pressure control means connected between said first transfer pump means and said introducing means for controlling flow and pressure of said isotonic, breathable liquid to said introducing means;

separator means for separating said isotonic, breathable liquid from aqueous liquids accumulated from said lung(s) cavity;

second transfer pump means connected for transferring said isotonic, breathable liquid from said removing means to said separator means;

second flow and pressure control means connected between said second transfer pump means and said removing means for controlling flow and pressure of said isotonic, breathable liquid from said removing means;

filter means connected to said separator means for separation and removal of particulate solids from the isotonic, breathable liquid accumulated from the lunt(s) cavity;

heat exchange sterilizer means connected to said filter means for heat stripping absorbed carbon dioxide from the breathable liquid accumulated in the lung(s) cavity and sterilizing said breathable liquid;

second heat exchanger means connected to said sterilizer means for temperature adjustment of the breathable liquid from said sterilizer means to a selected body use temperature;

third transfer pump means for transferring said isotonic, breathable liquid from said second heat exchanger means to said oxygen saturator; and

third flow and pressure control means connected between said third transfer pump means and said oxygen saturator means for controlling flow and pressure of said isotonic, breathable liquid from said third transfer pump means.