Method and device for controlling pressure, volumetric flow rate and temperature during gas insuffication procedures

A gas delivery system, comprising, in combination:

• a gas source;
• a heater for heating gas from the gas source to a desired temperature;
• a pressure regulator for controlling the pressure of the gas;
• a volumetric flow regulator for controlling the volumetric flow rate of the gas;
• and
• a temperature indicator, a pressure indicator, and a flow meter, connected, respectively, to the heater, the pressure regulator, and the volumetric flow regulator, for indicating the temperature, pressure and volumetric flow rate of the gas;
• wherein the heater, pressure regulator, and volumetric flow regulator are connected substantially in series after the gas source, not necessarily in the recited order, so as to provide a delivered gas.

A gas delivery system, comprising, in combination:

• a gas source;
• a heater for affirmatively controlling the temperature of the gas from the gas source;
• a pressure regulator, for affirmatively controlling the pressure of the gas;
• and
• a volumetric flow regulator, for affirmatively controlling the volumetric flow rate of the gas;
• wherein the heater, pressure regulator, and volumetric flow regulator are connected substantially in series after the gas source, not necessarily in the recited order, to provide a delivered gas from the system;
• and
• wherein the temperature, pressure, and volumetric flow rate of the delivered gas are simultaneously quantitatively controlled.

A gas delivery system for use in an endoscopic procedure, the system comprising, in combination:

• a gas source for containing gas suitable for introduction into a patient's body for the endoscopic procedure;
• a heater for affirmatively controlling the temperature of the gas from the gas source;
• a pressure regulator, for affirmatively controlling the pressure of the gas;
• a volumetric flow regulator, for affirmatively controlling the volumetric flow rate of the gas;
• and
• a connecting pathway for providing delivered gas from the system to endoscopic equipment used in the endoscopic procedure;
• wherein the heater, pressure regulator, and volumetric flow regulator are connected substantially in series after the gas source, not necessarily in the recited order, to provide the delivered gas from the system;
• and
• wherein the temperature, pressure, and volumetric flow rate of the delivered gas are simultaneously quantitatively controlled.

A carbon dioxide delivery system for use in an endoscopic procedure, the system comprising, in combination:

• a carbon dioxide source for containing carbon dioxide for introduction into a patient's body for the endoscopic procedure;
• a heater for affirmatively controlling the temperature of the carbon dioxide from the carbon dioxide source;
• a pressure regulator, for affirmatively controlling the pressure of the carbon dioxide;
• a volumetric flow regulator, for affirmatively controlling the volumetric flow rate of the carbon dioxide;
• and
• a connecting pathway for providing delivered carbon dioxide from the system to endoscopic equipment used in the endoscopic procedure;
• wherein the heater, pressure regulator, and volumetric flow regulator are connected substantially in series after the carbon dioxide source, not necessarily in the recited order, to provide the delivered carbon dioxide from the system;
• and
• wherein the temperature, pressure, and volumetric flow rate of the delivered carbon dioxide are simultaneously quantitatively controlled.

A gas delivery system, comprising, in combination:

• a gas source;
• a heater for affirmatively controlling the temperature of the gas from the gas source;
• a pressure regulator, for affirmatively controlling the pressure of the gas;
• and
• a volumetric flow regulator, for affirmatively controlling the volumetric flow rate of the gas;
• wherein the heater, pressure regulator, and volumetric flow regulator are connected substantially in series after the gas source, not necessarily in the recited order, to provide a delivered gas from the system;
• wherein the heater, pressure regulator, and volumetric flow regulator are contained within a single cabinet, providing the only substantial affirmative control of the temperature, pressure, and volumetric flow rate of the delivered gas;
• and
• wherein the temperature, pressure, volumetric flow rate of the delivered gas are simultaneously quantitatively controlled.

A method of safely delivering a gas to a patient, comprising the steps of:

• activating a gas delivery system comprising a heater, a pressure regulator and a volumetric flow regulator with corresponding and respectively connected temperature indicator, pressure indicator, and volumetric flow rate indicator, wherein the heater, pressure regulator and volumetric flow regulator are connected substantially in series, not necessarily in the recited order;
• observing one or more of the temperature indicator, pressure indicator and volumetric flow rate indicator;
• conducting a medical procedure while periodically monitoring one or more of the temperature indicator, pressure indicator and volumetric flow rate indicator;
• and
• adjusting one or more of the heater, pressure regulator and volumetric flow regulator as needed, to thereby simultaneously and affirmatively control the temperature, pressure, and volumetric flow rate of the gas delivered to the patient.

A method of safely delivering a gas to a patient, comprising the steps of:

• activating a gas delivery system comprising a heater, a pressure regulator and a volumetric flow regulator with corresponding and respectively connected temperature indicator, pressure indicator, and volumetric flow rate indicator, and a humidification system, wherein the heater, pressure regulator and volumetric flow regulator are connected substantially in series, not necessarily in the recited order, and the humidification system is connected to an output of the combination of the substantially series-connected heater, pressure regulator and volumetric flow regulator;
• observing one or more of the temperature indicator, pressure indicator and volumetric flow rate indicator;
• conducting a medical procedure while periodically monitoring one or more of the temperature indicator, pressure indicator and volumetric flow rate indicator;
• and
• adjusting one or more of the heater, pressure regulator and volumetric flow regulator as needed, to thereby simultaneously and affirmatively control the temperature, pressure, and volumetric flow rate of the gas delivered to the patient.

A method of safely delivering a gas to a patient, comprising the steps of:

• activating a gas delivery system comprising a heater, a pressure regulator and a volumetric flow regulator with corresponding and respectively connected temperature indicator, pressure indicator, and volumetric flow rate indicator, wherein the heater, pressure regulator and volumetric flow regulator are connected substantially in series, not necessarily in the recited order;
• observing one or more of the temperature indicator, pressure indicator and volumetric flow rate indicator;
• conducting an endoscopic procedure while periodically monitoring one or more of the temperature indicator, pressure indicator and volumetric flow rate indicator;
• and
• adjusting one or more of the heater, pressure regulator and volumetric flow regulator as needed, to thereby simultaneously and affirmatively control the temperature, pressure, and volumetric flow rate of the gas delivered to the patient.