Self-contained transportable life support system

• US 5,975,081 A
• Filed: 06/21/1996
• Issued: 11/02/1999
• Est. Priority Date: 06/21/1996
• Status: Expired due to Term

• Current Assignee: MedFlex LLC
• Original Assignee: Northrop Grumman Corporation
• Inventors: Kneale, Todd Douglas, Shultz, Douglas Ellwood, Clark, Walter Dennis, Garcia, Robert Michael, Hanks, Donald, Moore, Gene Bruce, Stanley, David Michael, Toth, Louis Stephen, Sobko, William Richard, Sherrill, David, Berry, Mark Lane, Hood, David Darby, Brayton, John Roger
• Primary Examiner(s): Brown, Michael A.
• Application Number:
  US08/667,693
• Time in Patent Office: 1,229 Days
• Field of Search: 128/845, 128/846, 128/870, 128/897, 600/21, 600/22
• US Class Current: 128/845
• CPC Class Codes: A61G 1/00 Stretchers
• CPC Class Codes: A61G 1/04 Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
• CPC Class Codes: A61G 10/023 Rooms for the treatment of patients at over- or under-pressure or at a variable pressure
• CPC Class Codes: A61G 2203/46 for temperature
• CPC Class Codes: A61G 2210/30 for intensive care
• CPC Class Codes: A61M 16/0051 with alarm devices
• CPC Class Codes: A61M 16/0063 Compressors
• CPC Class Codes: A61M 16/026 specially adapted for predicting, e.g. for determining an information representative of a flow limitation during a ventilation cycle by using a root square technique or a regression analysis
• CPC Class Codes: A61M 16/101 using an oxygen concentrator
• CPC Class Codes: A61M 16/107 in the inspiratory path
• CPC Class Codes: A61M 2202/0007 introduced into the body
• CPC Class Codes: A61M 2202/0208 Oxygen
• CPC Class Codes: A61M 2202/03 Gases in liquid phase, e.g. cryogenic liquids

Abstract

A self-contained transportable life support system for resuscitation, stabilization, and transport of a patient has an environmentally controlled housing for receiving and supporting a patient and a plurality of medical devices disposed within the housing. A control circuit attached to the housing has at least a portion thereof extending to an external surface of the housing for regulating operation of the medical devices and environmental conditions of within the housing in response to monitored life support conditions of the patient.

Claims

1. A self-contained transportable life support system for resuscitation, stabilization, and transport of a patient, the system comprising:

a) an environmentally controlled housing for receiving and supporting a patient;

b) a plurality of medical devices disposed within the housing, the plurality of medical devices comprising;

i) a ventilator;

ii) a suction device;

iii) a fluid infusion device;

iv) a defibrillator;

v) an oxygen enricher/generator;

vi) an electrocardiograph;

vii) a blood pressure monitor;

viii) a temperature sensor;

ix) a respiration volume and rate monitor;

x) a ventilator gas monitor for monitoring pO₂ and pCO_2'"'"' ;

xi) an O₂ saturation monitor;

xii) a cardiac rate, cardiac output, and local blood flow monitor;

xiii) a device for performing blood chemistry analysis; and

xiv) an electroencephalograph; and

c) a control circuit attached to the housing, at least a portion of the control circuit extending to an external surface of the housing, for regulating operation of the medical devices and environmental conditions within the housing in response to monitored life support conditions of the patient.

2. A self-contained transportable life support system for resuscitation, stabilization, and transport of a patient, the system comprising:

a) an environmentally controlled housing for receiving and supporting a patient;

b) a plurality of medical devices disposed within the housing; and

c) a control circuit attached to the housing, at least a portion of the control circuit extending to an external surface of the housing, for regulating operation of the medical devices and environmental conditions within the housing in response to monitored life support conditions of the patient, said control circuit comprising;

i) first and second battery sections; and

ii) a charging circuit for selectively charging either one of the first and second battery sections;

iii) the control circuit being operative to alternately charge the first battery section from an external power source while maintaining the second battery section ready to power the medical devices during an interruption of external power, and then charge the second battery section from the external power source while maintaining the first battery section ready to power the medical devices during an interruption of external power.

3. A self-contained transportable life support system for resuscitation, stabilization, and transport of a patient, the system comprising:

a) an environmentally controlled housing for receiving and supporting a patient;

b) a plurality of medical devices disposed within the housing, said medical devices comprising;

i) a temperature monitoring device connectible to a patient for monitoring a body temperature of the patient; and

ii) a temperature control device comprising a temperature controlled water jacket connectible to the patient for controlling the body temperature of the patient; and

c) a control circuit attached to the housing, at least a portion of the control circuit extending to the external surface of the housing, for regulating operation of the medical devices and environmental conditions within the housing in response to monitored life support conditions of the patient.

4. A self-contained transportable life support system for resuscitation, stabilization, and transport of a patient, the system comprising:

a) an environmentally controlled housing for receiving and supporting a patient;

b) a plurality of medical devices disposed within the housing, wherein the medical devices comprise;

i) a temperature monitoring device connectible to a patient for monitoring a body temperature of the patient, said temperature monitoring device comprising at least one of;

(a) an indwelling rectal temperature probe;

(b) an infrared eardrum temperature sensor;

(c) an auxiliary temperature sensor; and

d) an intra-esophageal temperature sensor;

ii) a temperature control device connectible to the patient for controlling the body temperature of the patient; and

c) a control circuit attached to the housing, at least a portion of the control circuit extending to an external surface of the housing, for regulating operation of the medical devices and environmental conditions within the housing in response to monitored life support conditions of the patient.

5. A self-contained transportable life support system for resuscitation, stabilization, and transport of a patient, the system comprising:

a) an environmentally controlled housing for receiving and supporting a patient;

b) a plurality of medical devices disposed within the housing; and

c) a control circuit attached to the housing, at least a portion of the control circuit extending to an external surface of the housing, for regulating operation of the medical devices and environmental conditions within the housing in response to monitored life support conditions of the patient, said control circuit comprising a medical data reader for receiving medical data from a medical data storage device wherein the medical data storage device is selected from the group consisting of;

i) a dog tag having medical data stored therein;

ii) an identification card having medical data stored therein; and

iii) a storage device implanted beneath a patient'"'"'s skin, said control circuit being operative to regulate operation of the medical devices in response to the received medical data.

6. A method for transporting a patient while providing life support therefor, the method comprising the steps of:

a) controlling an environment within a transportable housing configured to receive and support the patient;

b) providing a plurality of medical devices within the housing to facilitate resuscitation and stabilization of the patient, wherein said plurality of medical devices comprises;

i) a ventilator;

ii) a suction device;

iii) a fluid infusion device;

iv) a defibrillator;

v) an oxygen enricher/generator;

vi) an electrocardiograph;

vii) a blood pressure monitor;

viii) a temperature sensor;

ix) a respiration volume and rate monitor;

x) a ventilator gas monitor for monitoring pO₂ and pCO_2'"'"' ;

xi) an O₂ saturation monitor;

xii) a cardiac rate, cardiac output, and local blood flow monitor;

xiii) a device for performing blood chemistry analysis; and

xiv) an electroencephalograph; and

c) regulating operation of the medical devices and environmental conditions within the housing in response to monitored life support conditions of the patient.

7. A method for transporting a patient while providing life support therefor, the method comprising the steps of:

a) controlling an environment within a transportable housing configured to receive and support the patient;

b) providing a plurality of medical devices within the housing to facilitate resuscitation and stabilization of the patient; and

c) regulating operation of the medical devices and environmental conditions within the housing in response to monitored life support conditions of the patient, wherein the step of regulating the operation of the medical devices comprises;

i) providing power to the medical devices via first and second battery sections; and

ii) selectively charging either one of the first or second battery sections;

iii) alternately charging the first battery section from an external power source while maintaining the second battery section ready to power the medical devices during an interruption of external power, and then charging the second battery section from the external power source while drawing power from the first battery section ready to power the medical devices during an interruption of medical power.

8. A method for transporting a patient while providing life support therefor, the method comprising the steps of:

a) controlling an environment within a transportable housing configured to receive and support the patient;

b) providing a plurality of medical devices within the housing to facilitate resuscitation and stabilization of the patient; and

c) regulating operation of the medical devices and environmental conditions within the housing in response to monitored life support conditions of the patient;

d) monitoring a body temperature of the patient, said step of monitoring the body temperature comprising at least one of;

i) monitoring a body temperature of the patient via a rectal temperature probe;

ii) monitoring the body temperature of the patient via an infrared eardrum temperature sensor;

iii) monitoring the body temperature of the patient via an auxiliary temperature sensor;

iv) monitoring the body temperature of the patient via an intra-esophageal temperature sensor; and

v) controlling the body temperature of the patient; and

e) controlling the body temperature of the patient.

9. A method for transporting a patient while providing life support therefor, the method comprising the steps of:

a) controlling an environment within a transportable housing configured to receive and support the patient;

b) providing a plurality of medical devices within the housing to facilitate resuscitation and stabilization of the patient; and

c) regulating operation of the medical devices and environmental conditions within the housing in response to monitored life support conditions of the patient;

d) receiving medical data from a medical data storage device via a medical data reader, wherein said medical storage device is selected from the group consisting of;

i) a dog tag having medical data stored therein;

ii) an identification card having medical data stored therein; and

iii) a storage device implanted beneath a patient'"'"'s skin said control circuit being operative to regulate operation of the medical devices in response to the received medical data.