WO1997042994A1 - Ventilador mecanico que funciona en distintas presiones - Google Patents
Ventilador mecanico que funciona en distintas presiones Download PDFInfo
- Publication number
- WO1997042994A1 WO1997042994A1 PCT/ES1997/000120 ES9700120W WO9742994A1 WO 1997042994 A1 WO1997042994 A1 WO 1997042994A1 ES 9700120 W ES9700120 W ES 9700120W WO 9742994 A1 WO9742994 A1 WO 9742994A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- volume
- patient
- pressure environments
- automatically
- environments
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
Definitions
- the system consists mainly of a mechanical ventilator, controlled mechanical ventilation (VMC), with manual regulator of Minute Volume and Respiratory Frequency, which incorporates a barometer measuring the ambient pressure, installed on the outside of the device which acts on the flow regulating valve according to the ambient pressure it records, to adjust the volume of air received by the lungs on inspiration, all automatically, without the intervention of the person.
- VMC controlled mechanical ventilation
- This avoids accidents that can be fatal (barotraumatisms), or hypoventilations due to an increase in ambient pressure, in the event that next to the patient there is no qualified personnel to manually adjust the Tidal Volume (it is equal to the Minute Volume / Respiratory Rate), as the ambient pressure varies.
- the adequacy of the flow must be carried out automatically by the mechanical fan, depending on the Ambient Pressure to be sensed by the same device through the barometer.
- VMC Controlled Mechanical Ventilation
- the barometer when sensing the ambient pressure, modifies the Volume Regulating Valve, which closes or opens to a greater or lesser degree automatically regulating the passage of gas in the circuit, the lungs receiving the appropriate volume in the inspiration and being able to return the air exhaled without any problem due to the fact that the Regulating Valve is giving the appropriate Tidal Volume according to the Ambient Pressure, which is at all times measuring the barometer located on the outside of the device.
- the device resists sudden changes in temperature and extreme values from + 50 ° C to -57 ° C (ambient temperature at 20,000 meters high).
- the device is submersible, (therefore waterproof and resistant to water pressure) and prepared for all types of transport and multiple aggressions, which is achieved with "shielding" of Kewlar type material and with control knobs pre-arranged with a plastic alloy Special able to withstand the changes and extreme temperatures described above, being also easy to handle in any situation.
- the equipment must be operational in situations such as rapid depressurization of aircraft cabins that transport critical patients, transport of these patients in non-pressurized airplanes or helicopters, as well as during take-off and landing maneuvers. aircraft in which cabin pressure changes occur. Also in cases of rescue of depths of up to 90 meters under water, being in all these circumstances able to automatically adjust to the successive variations of pressure and resist extreme temperatures.
- the power supply of the equipment must be the pressure of the bottle that supplies gas to the circuit. It can be this gas, compressed air, oxygen or a mixture enriched with oxygen of ambient air, depending on this way the concentration of 02 that we provide to the apparatus: 21%, 60%, 100%, etc. and therefore the F ⁇ 02 (Fraction of 02) Inspiration that we provide to the patient, while avoiding using gases external to the system, which among other things prevents contamination and also allows its underwater use.
- Figure 1 shows the Ambient Pressure Barometer. 2.- Pressure gauge in the circuit. 3.- Current Volume Regulator. 4.-
- Patient ventilation tube 5 - Gas bottle union. 6.- Waste gas outlet. 7.- ON / OFF switch.
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU26390/97A AU2639097A (en) | 1996-05-10 | 1997-05-09 | Mechanical fun operating at various pressures |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ESP9601063 | 1996-05-10 | ||
ES9601063A ES2142195B1 (es) | 1996-05-10 | 1996-05-10 | Ventilador mecanico automatico capaz de funcionar adecuadamente en distintos ambientes de presion, especialmente en ambientes de presion extremas. |
ESP9700770 | 1997-04-10 | ||
ES9700770A ES2152128B1 (es) | 1996-05-10 | 1997-04-10 | Mejoras introducidas en la patente principal num. 9601063, del ventilador mecanico automatico capaz de funcionar adecuadamente en distintos ambientes de presion, incluso en ambientes de presion extrema. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997042994A1 true WO1997042994A1 (es) | 1997-11-20 |
Family
ID=26154967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES1997/000120 WO1997042994A1 (es) | 1996-05-10 | 1997-05-09 | Ventilador mecanico que funciona en distintas presiones |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2639097A (es) |
ES (1) | ES2152128B1 (es) |
WO (1) | WO1997042994A1 (es) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3961627A (en) * | 1973-09-07 | 1976-06-08 | Hoffmann-La Roche Inc. | Automatic regulation of respirators |
WO1980001646A1 (en) * | 1979-02-12 | 1980-08-21 | Rule Industries | Flow control equipment |
FR2521432A1 (fr) * | 1982-02-18 | 1983-08-19 | App Medical Precision | Appareil regulateur pour fournir, pendant les seules periodes d'inspiration, un gaz devant etre inhale par un utilisateur |
FR2593299A1 (fr) * | 1986-01-20 | 1987-07-24 | Sfim | Systeme de commande de debit de fluide programmable et son utilisation dans les systemes respirateurs |
EP0419183A1 (en) * | 1989-09-21 | 1991-03-27 | Normalair-Garrett (Holdings) Limited | Aircraft aircrew life support apparatus |
WO1995021650A1 (en) * | 1994-02-10 | 1995-08-17 | Conax Florida Corporation | G-force and altitude responsive oxygen breathing controller |
-
1997
- 1997-04-10 ES ES9700770A patent/ES2152128B1/es not_active Expired - Fee Related
- 1997-05-09 WO PCT/ES1997/000120 patent/WO1997042994A1/es active Application Filing
- 1997-05-09 AU AU26390/97A patent/AU2639097A/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3961627A (en) * | 1973-09-07 | 1976-06-08 | Hoffmann-La Roche Inc. | Automatic regulation of respirators |
WO1980001646A1 (en) * | 1979-02-12 | 1980-08-21 | Rule Industries | Flow control equipment |
FR2521432A1 (fr) * | 1982-02-18 | 1983-08-19 | App Medical Precision | Appareil regulateur pour fournir, pendant les seules periodes d'inspiration, un gaz devant etre inhale par un utilisateur |
FR2593299A1 (fr) * | 1986-01-20 | 1987-07-24 | Sfim | Systeme de commande de debit de fluide programmable et son utilisation dans les systemes respirateurs |
EP0419183A1 (en) * | 1989-09-21 | 1991-03-27 | Normalair-Garrett (Holdings) Limited | Aircraft aircrew life support apparatus |
WO1995021650A1 (en) * | 1994-02-10 | 1995-08-17 | Conax Florida Corporation | G-force and altitude responsive oxygen breathing controller |
Also Published As
Publication number | Publication date |
---|---|
ES2152128B1 (es) | 2001-08-01 |
AU2639097A (en) | 1997-12-05 |
ES2152128A1 (es) | 2001-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2806056C (en) | Universal medical gas delivery system | |
US4622964A (en) | Valve for breathing device | |
US4502481A (en) | Device for manually ventilating a patient | |
US9199052B2 (en) | Universal medical gas delivery system | |
EP0768095B1 (en) | Tracheal tube and device for ventilator systems | |
US20160074610A1 (en) | Universal medical gas delivery system | |
NL7811193A (nl) | Inrichting voor het toevoeren van gas naar een gasmasker. | |
CN102727975A (zh) | 呼吸气体供应和共享系统及其方法 | |
GB1465127A (en) | Device for ventilating a patient | |
US20210121649A1 (en) | Portable rebreathing system with staged addition of oxygen enrichment | |
BR102019005110A2 (pt) | Sistema e método para entregar gás de respiração aos passageiros a bordo de uma aeronave | |
US20120204884A1 (en) | Endotracheal tube cuff pressure regulator | |
US4702242A (en) | Respirator and/or anesthesia supply apparatus | |
BR112013018271A2 (pt) | regulador de demanda de aeronave e método de regulação de diluição | |
BR112013006163B1 (pt) | Regulador de oxigênio para fornecer gás de respiração em uma aeronave | |
US9956440B2 (en) | Oxygen supply with carbon dioxide scrubber for emergency use | |
WO1997042994A1 (es) | Ventilador mecanico que funciona en distintas presiones | |
ES2274181T3 (es) | Dispositivo individual de alimentacion de gas respiratorio. | |
US6431169B1 (en) | Mini pneumatic mechanical pulmonary ventilator | |
GB2438086A (en) | A gas flow rate indicator | |
US3595229A (en) | Apparatus for delivering a gas into the lungs of a patient | |
Gradwell et al. | Oxygen systems, pressure cabin and clothing | |
WO2021242625A1 (en) | Method and apparatuses for delivering hyperbaric gas and/or treating respiratory illnesses, post covid syndrome(s) and chronic traumatic encephalopathy | |
CN116096448A (zh) | 例如呼吸器的流体混合设备 | |
GB2045090A (en) | Respirators |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE HU IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK TJ TM TR TT UA UG US UZ VN AM AZ BY KG KZ MD RU TJ TM |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH KE LS MW SD SZ UG AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
NENP | Non-entry into the national phase |
Ref country code: JP Ref document number: 97540555 Format of ref document f/p: F |
|
NENP | Non-entry into the national phase |
Ref country code: CA |
|
122 | Ep: pct application non-entry in european phase |