Ventilator

• US 7,219,666 B2
• Filed: 07/15/2004
• Issued: 05/22/2007
• Est. Priority Date: 04/07/1999
• Status: Expired due to Fees

• Current Assignee: eVent Medical Limited (Kobayashi Pharmaceutical Company Limited)
• Original Assignee: eVent Medical Limited (Kobayashi Pharmaceutical Company Limited)
• Inventors: Friberg, Harri, Dascher, Jakob
• Primary Examiner(s): MITCHELL, TEENA KAY
• Application Number:
  US10/893,421
• Publication Number:
  US 20050000519A1
• Time in Patent Office: 1,041 Days
• Field of Search: 128/204.18, 128/204.21, 128/204.23, 128/204.24, 128/203.12, 128/203.14, 128/205.11, 128/205.23, 128/205.24, 128/912, 128/202.27
• US Class Current: 128/204.18
• CPC Class Codes: A61M 16/0063 Compressors
• CPC Class Codes: A61M 16/024 including calculation means, e.g. using a processor
• CPC Class Codes: A61M 16/101 using an oxygen concentrator
• CPC Class Codes: A61M 16/108 before being humidified or mixed with a beneficial agent
• CPC Class Codes: A61M 16/1095 in the connecting tubes
• CPC Class Codes: A61M 16/12 by mixing different gases
• CPC Class Codes: A61M 16/202 electrically actuated
• CPC Class Codes: A61M 16/203 Proportional
• CPC Class Codes: A61M 16/204 used for inhalation control
• CPC Class Codes: A61M 16/208 Non-controlled one-way valves, e.g. exhalation, check, pop-off non-rebreathing valves
• CPC Class Codes: A61M 16/209 Relief valves
• CPC Class Codes: A61M 2016/0036 in the breathing tube and used in both inspiratory and expiratory phase
• CPC Class Codes: A61M 2016/0039 in the inspiratory circuit
• CPC Class Codes: A61M 2016/1025 the O2 concentration
• CPC Class Codes: A61M 2202/0275 Nitric oxide [NO]
• CPC Class Codes: A61M 2205/3666 using heat loss of a motor
• CPC Class Codes: A61M 2209/084 Supporting bases, stands for equipment

Abstract

A ventilator is disclosed which has a compact block made of plastic or metal and includes an electrical computer interface, in which rigid pipes and a gas supply container are integrated, resulting in a more compact device than conventional superstructures and improved therapy gas delivery and nebulization.

Claims

1. A ventilator, excluding anaesthetizing equipment, comprising a closed breathing circuit, comprising:

a housing forming an interior;

a compact block;

a gas supply container integrated in said block;

at least one ventilator gas connection for enabling a connection with an external gas supply;

at least one compressed air connection for enabling a connection with an external compressed air supply;

at least one valve;

a ventilating tube;

at least one connection for said ventilating tube;

gas pipes in the interior of said housing that connect said gas supply container with said at least one valve and said ventilator gas connection;

electrical control means including control electronics for controlling said at least one valve, said control electronics comprising sensing means for sensing at least one of the parameters including pressure, flow and oxygen;

wherein at least the majority of said gas pipes include rigid pipes and are integrated in said block together with said gas supply container, and

wherein said at least one valve and said at least one connection for said ventilating tube and said ventilator gas connection are integrated in said block.

2. The ventilator according to claim 1, wherein said electrical control means comprises an electrical computer interface formed to provide at least one of a nurse call and an RS232 connection.

3. The ventilator according to claim 1, wherein said electrical control means comprises an interface having a software download facility.

4. The ventilator according to claim 1, wherein the at least one valve comprises a compressed air valve and further comprising a ventilation gas valve both leading to the gas supply container integrated into the block, wherein the two valves control the mixture of gas into the gas supply container integrated into the block.

5. The ventilator according to claim 4, in which the control of the mixture is based on pressure inside the gas supply container integrated into the block.

6. The ventilator according to claim 4, wherein the maximum pressure inside the gas supply container integrated into the block is limited by a pressure control valve.

7. The ventilator according to claim 4, further comprising oxygen monitoring, incorporating an oxygen sensor integrated into the block.

8. The ventilator according to claim 1, further comprising a DC powered compressor having an output within the housing, said compressor being connected to said gas supply container via one of said gas pipes.

9. The ventilator according to claim 1, wherein the control electronics comprises software that is programmed via a control panel and allows setting sigh ventilation for a patient at a selected time interval, repeatability and selected sigh pressure.

10. The ventilator according to claim 1, wherein the control electronics comprises software that is programmed via a control panel and allows setting sigh ventilation for a patient at a selected time interval, repeatability and selected sigh volume.

11. The ventilator according to claim 1, wherein said breathing circuit comprises an internal compressor in said housing.

12. The ventilator according to claim 11, wherein the control electronics comprises software that is programmed via a control panel and allows setting ventilation for a patient at selected values of volume or pressure.

13. The ventilator according to claim 12, wherein said sensing means comprises at least two sensors that are integrated into the block.

14. The ventilator according to claim 12, wherein said control panel further comprises a removable top housing including a display.

15. The ventilator according to claim 1, wherein said at least one valve comprises a controllable valve, and said sensing means comprises a flow sensor and a pressure sensor for controlling the delivery of gas from said gas supply container integrated into said block via said controllable valve.

16. The ventilator according to claim 1, wherein measured parameters from said sensing means are used to control gas delivery to a patient.

17. The ventilator according to claim 1, wherein said breathing circuit comprises at least one of the following:

a humidifier, and an inline nebulizer.

18. The ventilator according to claim 1, wherein said at least one valve comprises a compressor air valve or a ventilation gas valve, either of said valves being supplied via a one way check valve.

19. The ventilator according to claim 1, wherein one or more of an oxygen mixture and Nitric Oxide are usable as a supply gas.

20. The ventilator according to claim 19, wherein said supply gas is mixable with air and O₂ for delivery to the patient.

21. A ventilator, comprising a closed breathing circuit, comprising:

a housing forming an interior;

a compact block;

a gas supply container integrated in the block;

at least one ventilation gas input for enabling a connection with an external gas supply;

at least one compressed air input;

a ventilation gas valve;

a compressed air valve;

gas pipes in the interior of said housing that connect said gas supply container with the ventilation gas valve and with the compressed air valve;

electrical control means including control electronics for controlling at least one of the ventilator gas valve and the compressed air valve, the control electronics comprising sensing means for sensing at least one of the parameters selected from pressure, flow and oxygen;

wherein at least the majority of the gas pipes include rigid pipes and are integrated in the block together with the gas supply container, and

wherein both the ventilator gas valve and the compressed air valve are integrated in or on the block.

22. The ventilator according to claim 21, further comprising,

a nebulizer pipe connected to the gas supply container.

23. The ventilator according to claim 22, further comprising,

an output of the nebulizer pipe flowing through a nebulizer valve and into a nebulizer chamber.

24. The ventilator according to claim 21, further comprising,

a compressor in the housing wherein the compressor'"'"'s pressure output is connected to the block through a tube.

25. A ventilator, comprising a closed breathing circuit, comprising:

a compact block;

a gas supply container integrated in the block;

at least one valve block integrated on the compact block with at least one valve flange-mounted thereon;

at least one ventilation gas input;

at least one compressed air input;

a ventilation gas valve;

a compressed air valve;

gas pipes in the interior of the compact block that connect said gas supply container with the ventilation gas valve and with the compressed air valve;

electrical control means including control electronics for controlling at least one of the ventilator gas valve and the compressed air valve;

wherein at least the majority of the gas pipes include rigid pipes and are integrated in the compact block together with the gas supply container, and

wherein both the ventilator gas valve and the compressed air valve are integrated in or on the compact block or integrated in or on the valve block.

26. The ventilator according to claim 25, further comprising,

an integrated charger for an integrated battery,

wherein the integrated charger is capable of being connected to a DC power supply and capable of being charged by an AC voltage.