Portable intensive care unit with medical equipment

• US 5,918,331 A
• Filed: 02/03/1997
• Issued: 07/06/1999
• Est. Priority Date: 08/05/1994
• Status: Expired due to Term

• Current Assignee: Ms. Wendy Sue Watt
• Original Assignee: Buchanan Aircraft Corporation Limited
• Inventors: Hall, David, Grant-Thomson, John Charles
• Primary Examiner(s): GROSZ, ALEXANDER
• Application Number:
  US08/776,855
• Time in Patent Office: 883 Days
• Field of Search: 5/626, 5/625, 5/658, 5/503.1, 5/507.1, 128/875, 128/876, 128/869, 128/870, 296/20
• US Class Current: 5/626
• 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 1/048 Handles
• CPC Class Codes: A61G 1/06 Supports for stretchers, e.g. to be placed in or on vehicles A61G1/0293 takes precedence; supports fixed to a vehicle A61G3/02 - A61G3/08
• CPC Class Codes: A61G 2210/30 for intensive care
• CPC Class Codes: A61G 2220/10 Aircrafts

Abstract

A stretcher style mobile intensive care unit including an elongated hollow housing having an upper patient support table. The housing being adapted to hold at a location below the support table, a range of medical equipment. The range of medical equipment being customarily required for emergency care. The unit has four handles so that it is able to be carried like a stretcher.

Claims

1. A manually portable intensive care unit comprising an elongated hollow housing having an upper patient support table and a lower medical equipment enclosure extending below the support table provided internally thereof with compartments containing medical equipment, the housing being of shallow profile and lightweight impact resistant construction and the medical equipment being positioned therein to provide a generally balanced assembly suitable for manually bearing an adult patient in a prone position on the support table, wherein the housing includes lock down means provided in an underside of the housing so that the unit can be secured to a surface such as a floor of an ambulance, wherein the lock down means comprises a pair of skids or rails extending along the underside of the housing and being equipped with spaced apertures so that a strap or other means can pass through the apertures to lock the unit in place.

2. A manually portable intensive care unit comprising an elongated hollow housing having an upper patient support table and a lower medical equipment enclosure extending below the support table provided internally thereof with compartments containing medical equipment, the housing being of shallow profile and lightweight impact resistant construction and the medical equipment being positioned therein to provide a generally balanced assembly suitable for manually bearing an adult patient in a prone position on the support table, which further includes a power supply conditioner for supplying power to the equipment, firstly to the unit and then to each item of medical equipment, the power supply conditioner having a supply inlet for connection to mains or any other external power source, an input circuit receiving current from the external source, a power supply conditioner circuit and a DC output circuit providing a conditioned DC output to the medical equipment.

3. The unit according to claim 2 wherein the supply inlet is adapted to receive any one of normally available AC or DC supplies, the conditioned supply at the output being isolated from fluctuations at the input to provide a required standard DC voltage to the medical equipment.

4. The unit according to claim 2 further including a defibrillator that includes a battery enabling the defibrillator not to be connected to the power supply and isolated from the power supply conditioner.

5. The unit according to claim 4 wherein the power supply conditioner is located adjacent to a vent in the housing to compensate for variations in pressure within an aircraft cabin.

6. A self contained portable intensive care unit having medical equipment including an on board ventilator, suction unit, oxygen supply and internal power supply located within a closed elongated housing, the housing having an elongated upper patient support table and being adapted for military field use, wherein the patient support platform supports a standard NATO styled stretcher above the patient support table, the housing including spaced sockets to automatically locate the stretcher and the table having spaced transverse recesses accommodating transverse braces on the NATO styled stretcher.

7. The unit according to claim 6 wherein the housing is reinforced by carbon fibers arranged in layers at plus or minus fifty-five degrees to improve loading characteristics.

8. A self contained portable intensive care unit having medical equipment including an on board ventilator, suction unit, oxygen supply and internal power supply located within a closed elongated housing, the housing having an elongated upper patient support table and being adapted for military field use, wherein the housing includes an outer side wall bridging between the support table and a bottom wall, the housing has at least two transverse bracing walls adjacent at each end of the housing, the bracing walls being interconnected by a third longitudinally extending bracing wall generally centrally disposed in the housing.

9. A self contained portable intensive care unit having medical equipment including an on board ventilator, suction unit, oxygen supply and internal power supply located within a closed elongated housing, the housing having an elongated upper patient support table and being adapted for military field use, wherein the medical equipment is located side-by-side on one side of a central bracing wall so that medical personnel need only operate from one side of the unit.

10. A self contained portable intensive care unit having medical equipment including an on board ventilator, suction unit, oxygen supply and internal power supply located within a closed elongated housing, the housing having an elongated upper patient support table and being adapted for military field use, wherein the support table is configured to support a stretcher, the support table having four stretcher feet sockets and transverse slots extending between adjacent sockets for receiving transverse stretcher braces.

11. A self contained portable intensive care unit having medical equipment including an on board ventilator, suction unit, oxygen supply and internal power supply located within a closed elongated housing, the housing having an elongated upper patient support table and being adapted for military field use, wherein the housing includes lock down means provided in an underside of the housing enabling the unit to be secured to a surface such as the floor of an ambulance, wherein the lock down means includes a pair of skids or rails extending along the underside of the housing and being equipped with spaced apertures so that a strap or other means can pass through the apertures to lock the unit in place.

12. A self contained portable intensive care unit having medical equipment including an on board ventilator, suction unit, oxygen supply and internal power supply located within a closed elongated housing, the housing having an elongated upper patient support table and being adapted for military field use, wherein the housing includes at least one door or curtain disposed over and providing protection for the medical equipment from the elements, the medical equipment being held in holders arranged so that the medical equipment is set back from the door or curtain to further limit contamination when the door or curtain is open.

13. A self contained portable intensive care unit having medical equipment including an on board ventilator, suction unit, oxygen supply and internal power supply located within a closed elongated housing, the housing having an elongated upper patient support table and being adapted for military field use, wherein the internal power supply employs a power supply conditioner for supplying power firstly to the unit and then to each item of medical equipment, the power supply conditioner having a supply inlet for connection to mains or any other external power source, an input circuit receiving current from the external source, a power supply conditioner circuit and a DC output circuit providing a conditioned DC output to the medical equipment.

14. The unit according to claim 13 wherein the supply inlet is adapted to receive any one of normally available AC or DC supplies, the conditioned supply at the output being isolated from fluctuations at the input to provide a standard DC voltage to the medical equipment.

15. The unit according to claim 13 which further includes a defibrillator having a battery enabling the defibrillator not to be connected to the power supply and isolated from the power supply conditioner.

16. The unit according to claim 13 wherein the power supply conditioner is located adjacent to a vent in the housing to compensate for variations in pressure within an aircraft cabin.

17. A self contained portable intensive care unit having medical equipment including an on board ventilator, suction unit, oxygen supply and internal power supply located within a closed elongated housing, the housing having an elongated upper patient support table and being adapted for military field use, an oxygen supply circuit as well as various power supply circuits and an electrical circuit leading from the power supply to the medical equipment, the oxygen supply circuit and the electrical circuit being arranged so that oxygen supply lines and electrical cables are carried on either side of a dividing wall for safety purposes.

18. A mobile portable intensive care unit for use in an evacuation environment where a patient is being rescued including a military operation in a combat environment, the unit comprising a shallow elongated housing having opposite ends and an upper surface, the opposite ends having respective handles enabling the unit to be carried similar to a stretcher, the housing holding a range of life support medical equipment in a weight-wise balanced configuration within the housing to facilitate manual handling of the unit, the upper surface having a removable stretcher for carrying a patient, the removable stretcher and the upper surface of the housing having co-operating means for holding the stretcher in an operative position on the upper surface of the housing.

19. The unit according to claim 18 wherein the housing is reinforced by carbon fiber to reduce radiant interference from electrical equipment housed in the unit and being thin walled and internally braced.

20. The unit according to claim 19 wherein the carbon fibers are arranged in layers at plus or minus forty-five degrees to improve loading characteristics.

21. The unit according to claim 18 wherein the housing further includes an outer side wall bridging between the upper surface and a bottom wall, the housing having at least two transverse bracing walls adjacent at each end of the housing, the bracing walls being interconnected by a third longitudinally extending bracing wall generally centrally disposed in the housing.

22. The unit according to claim 18 wherein the housing includes walls having an average wall thickness of 1 to 3 mm, the walls being locally strengthened in areas prone to concentrated loads.

23. The unit according to claim 18 wherein the medical equipment is located side-by-side on one side of a central bracing wall so that medical personnel need only operate from one side of the unit.

24. The unit according to claim 18 further including oxygen bottles located at opposite ends of the housing and isolated from the medical equipment.

25. The unit according to claim 18 wherein the upper surface is configured to support a stretcher, the upper surface having four stretcher feet sockets and transverse slots extending between adjacent sockets for receiving transverse stretcher braces.

26. The unit according to claim 18 wherein the housing is divided into a plurality of isolated medical equipment holders including a defibrillator holder having a drawer so that a defibrillator can be easily removed from the unit for emergency use.

27. The unit according to claim 18 wherein the housing is generally symmetrical in a side view to provide balance and including a central cavity of generally rectangular shape and the housing having tapered ends extending on opposite ends of the generally rectangular cavity.

28. The unit according to claim 18 wherein the housing is configured so that the housing can be carried in an aircraft with eight locally strengthened and evenly spaced securing points so that the unit can be either tied down or hung in stackable fashion with other similar units.

29. The unit according to claim 18 wherein the housing includes lock down means provided at an underside of the housing so that the unit can be secured to a surface such as the floor of an ambulance.

30. The unit according to claim 29 wherein the lock down means comprises a pair of skids or rails extending along the underside of the housing and equipped with spaced apertures so that a strap or other means can pass through the apertures to lock the unit in place.

31. The unit according to claim 18 wherein the housing includes brackets, holders or independent locating sites for the medical equipment so that the medical equipment is rigidly stowed yet removably secured in the housing.

32. The unit according to claim 18 wherein the housing includes a door or doors providing protection for the medical equipment from the elements or other contamination, one door being a vertically moveable curtain.

33. The unit according to claim 18 which further includes a power supply conditioner for supplying power to the equipment, firstly to the unit and then to each item of medical equipment, the power supply conditioner having a supply inlet for connection to mains or any other external power source, an input circuit receiving current from the external source, a power supply conditioner circuit and a DC output circuit providing a conditioned DC output to the medical equipment.

34. The unit according to claim 33 wherein the supply inlet is adapted to receive any one of normally available AC or DC supplies, the conditioned supply at the output being isolated from fluctuations at the input to provide a required standard DC voltage to the medical equipment.

35. The unit according to claim 33 which further includes a defibrillator having a battery enabling the defibrillator not to be connected to the power supply isolated from the power supply conditioner.

36. The unit according to claim 35 wherein the power supply conditioner is located adjacent to a vent in the housing to compensate for variations in pressure within an aircraft cabin.

37. The unit according to claim 18 wherein the unit further includes an oxygen supply circuit as well as various power supply circuits and an electrical circuit leading from a power supply conditioner to the medical equipment, the oxygen supply circuit and the electrical circuit being arranged so that oxygen supply lines and electrical cables are carried on either side of a dividing wall for safety purposes.

38. The unit according to claim 18 further including an oxygen supply circuit having at least two on board oxygen bottles, a connection for an external source of oxygen, a pneumatic circuit communicating with the bottles and the connections and oxygen supply selection means enabling selection of either of the two bottles or an external supply.