An anesthesia device, a gas monitoring system for use in said device and a method thereof

The anesthesia device addresses the limitations of existing veterinary anesthesia devices by automatically adjusting oxygen flow based on animal weight and integrating advanced monitoring and error logging systems, ensuring safe and accurate anesthesia delivery.

WO2025106041A1PCT designated stage Publication Date: 2025-05-22VETIE SAĞLIK TEKNOLOJİ & EKİPMANLARI LİMİTED ŞİRKETİ
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Patent Information

Application Number
PCT/TR2024/051313
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-05-22

AI Technical Summary

Technical Problem

Existing anesthesia devices for veterinary use lack automatic gas flow adjustment based on animal weight, rely on mechanical pressure gauges for monitoring, and do not provide reliable real-time data, leading to potential gas leakage, oxygen deficits, and inaccurate pressure control.

Method used

An anesthesia device with a gas monitoring system that automatically adjusts oxygen flow in liters/minute based on animal weight, displays remaining gas percentage on an HMI screen, calculates gas consumption time, and integrates NFC and cloud technologies for error logging and remote monitoring.

Benefits of technology

The solution ensures accurate and safe anesthesia delivery by automatically adjusting oxygen flow, providing real-time monitoring, and minimizing user errors, thus ensuring animal safety and reducing the risk of complications during anesthesia.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to an anesthesia device developed to ensure that animals, especially in veterinary applications, receive oxygen correctly according to the appropriate kilogram and appropriate liter / minute flow rate before and during anesthesia, a gas monitoring system used in said device and a method thereof.
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Description

[0001] DESCRIPTION

[0002] AN ANESTHESIA DEVICE, A GAS MONITORING SYSTEM FOR USE IN SAID DEVICE AND A METHOD THEREOF

[0003] Technical Field

[0004] The invention relates to an anesthesia device, particularly for veterinary use, and to a gas monitoring system compatible with this anesthesia device. It relates to a system that can automatically adjust the oxygen gas that veterinarians and / or veterinary technicians are required to use while anesthetizing animals in liters / minute based on the animal’s kilogram, display the amount of gas remaining in the tube as % (percentage) on a screen, and calculate the consumption time of the gas based on the amount of gas remaining in the oxygen tube according to this filling rate. The invention includes a software design that will enable tracking of past operations by reading the identification chips on the animals, and the said software includes an interface that shows the veterinarians the past operations of the animals, the dates of the operations, the identities of the veterinarians performing the operation, the operation times and related details.

[0005] State of the Art

[0006] In anesthesia applications, the basic equipment of anesthesia, which allows the delivery of oxygen and other medical gases and inhalation agents required for the patient in a controlled and required intensity, which can provide artificial respiration to the patient, and which enables close monitoring of vital functions with the monitors included in the device or later adapted to the device, is called anesthesia device.

[0007] Anesthesia administration equipment initially consisted of a bottle filled with an anesthetic substance (ether), gauze and a sponge, but have gradually evolved into today's advanced anesthesia machines that deliver gas and anesthetic substances precisely at certain levels, and provide artificial respiration and monitoring. Modern anesthesia machines are now more of a workstation than a device. Therefore, anesthesia devices are also called anesthesia workstations. The task of the first anesthesia devices was to provide the patient with a mixture of anesthesia gases and gases necessary for life. Modern anesthesia delivery systems have not only the functions of delivering gas, vapor and oxygen to the patient, but also monitoring functions and provide automatic ventilation for the patient. The purpose of anesthesia devices is to help the anesthesiologist to secure the patient's life and to provide adequate anesthesia. There are various types and combinations of anesthesia devices used for this purpose.

[0008] In veterinary medicine, manual and automatic anesthesia devices used for animals are essential to monitor and intervene in respiratory and cardiac problems while animals are kept under anesthesia. Manual anesthesia machines are not equipped with gas monitoring equipment that automatically adjusts the gas flow according to the animal's kilogram. Existing devices only have a mechanical pressure gauge. For both animal health and human health, the specialist who administers anesthesia usually performs a visual check of the device functions before using anesthesia devices and gas monitors. However, these methods are not fully reliable and do not provide sufficient information on device status.

[0009] Since manual anesthesia machines do not have an electronic gas monitoring screen, it can be seen that the device does not work correctly or is inadequate in case of errors. In this case, serious problems can be encountered. Some of these problems may be as follows:

[0010] -Gas leakage: Gas leakage in anesthesia devices can prevent the set amount of oxygen and anesthesia gas in liters / minute from being delivered and can prevent the animal from being adequately anesthetized (receiving adequate anesthesia medication).

[0011] -Oxygen deficit: In anesthesia devices, if the oxygen deficit in liters / minute adjusted on the flow meter exceeds the lung capacity based on the animal's kilogram, it can negatively affect the respiratory functions of the animal and may even be life threatening.

[0012] -Pressure and gas flow control: The operating pressure and gas flow rate are only mechanically controlled, and due to user errors, this can cause technical problems in the device (excessive gas consumption, unnecessary drug consumption, incorrect adjustment of the lung pressure from the APL valve, lack of audible warnings when the gas pressure decreases or the tube runs out), which can lead to inaccurate monitoring and assessment of the actual vital functions of the animal.

[0013] For these reasons, there is a need to develop devices that overcome these disadvantages.

[0014] Summary of the Invention

[0015] An object of the invention is, in particular, to automatically adjust the consumption amount of the oxygen gas used by veterinarians and veterinary technicians while anesthetizing animals in liters / minute based on the animal’s kilogram, to display the amount of gas remaining in the tube as a percentage (%) preferably on an HMI screen, and to calculate the consumption time of the gas based on the amount of gas remaining in the oxygen tube according to this filling rate. In this way, it aims to provide veterinarians with a device that enables more accurate monitoring.

[0016] Another object of the invention is to create a safe anesthesia environment by giving warnings to the user when the tube and flow settings are incorrect. The device according to the invention will ensure the safety of animals during anesthesia and minimize the errors that may occur in the device, allowing animals to wake up faster and healthier. A safer environment will be created during the operation by ensuring that the animals receive the right amount and duration of oxygen, which is automatically adjusted based on their kilogram during anesthesia. All kinds of negative factors that may occur due to anesthesia and affect the patient's health will be eliminated by minimizing user (human) errors.

[0017] Another object of the invention is to provide operational safety by increasing the efficiency of the device by establishing a system that will enable the storage of device data (keeping error logs) and remote monitoring of technical problems in the device with NFC technology and cloud technology. In addition, recovery processes will be accelerated by ensuring that animals wake up faster and healthier after anesthesia. Excess gas and drug intake will be prevented by the software and sensors in the invention. Another object of the invention is to enable the selection of the species of animals before anesthesia. Thanks to the cat, dog and other options on the HMI screen, the animal species can be selected and the amount of anesthesia can be easily determined to perform the procedure. In addition, reading the identification chips on the animals will enable tracking past operations and provide veterinarians with the opportunity to track and learn about the past operations of the animals, operation dates, the identities of the veterinarians who performed them, operation times and related details. Using identification chips on animals is a standard method in many veterinary practices in the state of the art, and these identification chips can be detected and read by means of a chip reader in a veterinary anesthesia device. This development is designed to better serve animal health in veterinary practice, and tracking the history of the operations is an important factor in assessing the health status of animals. It also facilitates the exchange of information between veterinarians and contributes to the improvement of animal care.

[0018] Description of the Drawings

[0019] Figure 1 : Shows a perspective illustration of an anesthesia device according to the invention.

[0020] Figure 2: Shows a projection illustration of the electronic card in the anesthesia device according to the invention.

[0021] Figure 3: Shows a flow diagram of the gas monitoring system in the anesthesia device according to the invention.

[0022] Figure 4: Shows a representative illustration of the oxygen tube used with the anesthesia device according to the invention.

[0023] Figure 5: Shows a representative flow diagram of the gas monitoring method for the anesthesia device according to the invention.

[0024] Description of the References in the Drawings

[0025] For a better understanding of the invention, the corresponding numbers in the figures are given below:

[0026] 1 . Anesthesia device

[0027] 2. Upper body 3. HMI screen

[0028] 4. Mechanical pressure gauge

[0029] 5. Pressure manometer

[0030] 6. Bellows holder

[0031] 7. Flowmeter

[0032] 8. Carbondioxide trap

[0033] 9. Upper tray

[0034] 10. Vaporiser area

[0035] 11. Lower body

[0036] 12. Lower base

[0037] 13. Wheel

[0038] 14. Electronic card

[0039] 14a-Processor

[0040] 14b-Communication unit

[0041] 14c-Detecting unit

[0042] 14d-Data exchange unit

[0043] 14e-First energy connection unit

[0044] 14f-Second energy connection unit

[0045] 15. Oxygen tube

[0046] 16. On-off valve

[0047] 17. First pressure sensor connection point

[0048] 18. Second pressure sensor connection point

[0049] 19. Operating pressure gas on-off valve

[0050] 20. Low pressure gas outlet point

[0051] 21. Regulator pressure adjusting valve

[0052] 22. Identification chip reading device

[0053] 1001.Accessing the patient selection screen from the HMI screen (3), which is the home screen of the anesthesia device (1)

[0054] 1002.Proceeding to the automatically determined cat or dog options or making a manual selection

[0055] 1003.lf a cat is selected as the patient, proceeding to the kitten or adult cat options here

[0056] 1004. If a kitten is selected, proceeding to the kilogram selection screen

[0057] 1005. If an adult cat is selected, proceeding to the kilogram selection screen 1006. If a dog is selected as the patient, proceeding to the puppy or adult dog options here

[0058] 1007.lt a puppy is selected, proceeding to the kilogram selection screen

[0059] 1008.lt an adult dog is selected, proceeding to the kilogram selection screen

[0060] 1009.After completing the cat, dog or manual kilogram selections, proceeding to the operation start screen

[0061] 1010.Proceeding to the operation work screen

[0062] 1011. Activation of relevant alarms regarding low tube pressure, low flow and tube pressure conditions from the start of the work

[0063] 1012. Stopping the operation.

[0064] Detailed Description of the Invention

[0065] Exemplary embodiments are disclosed in more detail below with reference to the accompanying descriptions. However, the embodiments may take different forms and should not be interpreted as limited to the embodiments set out herein. Instead, these exemplary embodiments are provided so that this disclosure is complete and its scope is fully communicated to those skilled in the art.

[0066] The terminology used in this description is intended only to describe a specific exemplary embodiment and is not intended to be limiting. As used herein, the forms “a”, “at least” and “preferably” are intended to include the plural forms unless the context clearly indicates otherwise. The use of the terms “comprises” and / or “including” in this specification covers the specified features, integers, steps, processes, elements and / or components, but does not preclude the existence or addition of one or more other features, integers, steps, processes, elements and / or components.

[0067] The invention relates to an anesthesia device, particularly for veterinary use, and to a gas monitoring system compatible with this anesthesia device. It relates to a system that can automatically adjust the oxygen gas that veterinarians and / or veterinary technicians are required to use while anesthetizing animals in liters / minute based on the animal’s kilogram, display the amount of gas remaining in the tube as % (percentage) on a screen, and calculate the consumption time of the gas based on the amount of gas remaining in the oxygen tube according to this filling rate. The perspective illustration of the anesthesia device (1) according to the invention is shown in Figure-1. The anesthesia device (1 ) according to the invention comprises at least one upper body (2), at least one HMI screen (3), at least one mechanical pressure gauge (4), at least one pressure manometer (5), at least one bellows holder (6), at least one flowmeter (7), at least one carbondioxide trap (8), at least one upper tray (9), at least one vaporiser area (10), a lower body (11 ), a lower base (12), at least one wheel (13), at least one electronic card (14), said electronic card (14) comprising at least one processor (14a), at least one communication unit (14b), at least one detecting unit (14c), at least one data exchange unit (14d), at least one first energy connection unit (14e), at least one second energy connection unit (14f). Said electronic card (14) is shown as a projection in Figure-2.

[0068] The HMI screen (3) of the anesthesia device (1) according to the invention is designed to be operated to ensure that the animals receive oxygen correctly according to the appropriate kilogram and the appropriate L / min flow rate before and during anesthesia. The anesthesia device (1 ) is connected to a medical oxygen tube (15), which is available in the current technology, by means of a regulator. Said oxygen tube (15) comprises at least one on-off valve (16), at least one first pressure sensor connection point (17), at least one second pressure sensor connection point (18), at least one operating pressure gas on-off valve (19), at least one low pressure gas outlet point (20), at least one regulator pressure adjusting valve (21 ). The digital readout on said anesthesia device (1 ) shows information to the user on the tube pressure, the set pressure, the amount of gas remaining and the pressure used. The basic principle of operation of the anesthesia device (1 ) is to adjust the pressure in the oxygen tube (15) using a pressure regulator connected to the oxygen tube (15) and then supply oxygen flow to the anesthesia device (1 ) and the respiratory circuit to assist the animal's breathing. The respiratory circuit referred to herein is a system of plastic tubing that connects the patient to the anesthesia device (1 ) externally. The gas monitoring HMI screen (3) on said anesthesia device (1 ) provides the gas flow automatically after the selection according to the species and kilogram of the animal and allows the users of the device to continuously monitor the amount of oxygen in the oxygen tube (15).

[0069] In the anesthesia device (1) according to the invention, the communication unit (14b) in the electronic card (14) may be Bluetooth, Wifi, NFC, GSM, LCD screen. It has the option to operate with NFC and cloud technologies, allowing access to the anesthesia device (1) for error data storage and remote monitoring. The NFC technology is used to wirelessly transfer data from the detecting unit (14c) of the anesthesia device (1 ) to other devices, while the cloud technology allows secure storage of anesthesia device (1 ) data and facilitates remote access. Processes such as transmission and storage of the information received through the detecting unit (14c) are carried out here. The detecting unit (14c) includes various sensors, and said sensors may be pressure, flow, temperature, humidity, oxygen quality, oxygen ratio, air quality sensors. The data from said detecting unit (14c) can be received by the data exchange unit (14d) and transferred to the relevant units. The power inputs to said electronic card (14) are provided by the first power connection unit (14e) and the second power connection unit (14f). Said first energy connection unit (14e) provides energy for the sensors to be additionally connected to the electronic card (14), and the second energy connection unit (14f) provides the energy required by the electronic card (14). Said second energy connection unit (14f) is the low voltage supply input of the electronic card (14), where the voltage that powers the electronic card (14) will enter. The voltage range preferably varies between DC 5V-12V volts.

[0070] With the working principle of the anesthesia device (1 ) and features allowing the oxygen pressure in the tube to be read, adjusted and monitored digitally, a safer anesthesia process is ensured by providing the animal with the correct amount of anesthesia gas in L / min during anesthesia and converting the remaining oxygen pressure into time to guarantee correct and sufficient oxygen delivery.

[0071] An identification chip reading device (22), to be integrated into the veterinary anesthesia device (1), will be used to detect and read the identification chips on the animals and this device will provide access to the data of the chips using radio frequency (RF) or a similar technology. The read data will then be transmitted to the interface for further processing. This interface will be used to view the operation history, dates, identities of the veterinarians who performed the operation, operation times and related details. Veterinarians will be able to query and search past operations through this interface. It also carries out the analysis of statistical data. A database is used for the animal identification tracking system, and this database stores the data read by the identification chip reading device and provides it to the software for processing. The database stores information about the past operations of each animal and is accessible to veterinarians. In this way, data related to past operations are securely stored and managed. The data from the identification chip reading device (22) is processed by a data processing and matching algorithm used in the software. This algorithm performs a matching for each identification chip and assigns the corresponding operation data to the correct animal. By using the unique identification numbers of the identification chips, association with past operation data is made. The animal identification tracking system takes measures for the security and confidentiality of the data. Database access, authorisation and authentication methods are used. Data is encrypted and protected by secure communication protocols. It is ensured that veterinarians only access and securely manage the data of the animals concerned. These technical elements constitute the basic components of the animal identification tracking system to be used in the veterinary anesthesia device (1). This system is a software and hardware integration developed to monitor the past operations of animals and provide convenience to veterinarians. In addition, said identification chip reading device (22) will enable the anesthesia application to be performed more safely by obtaining background information regarding the animal. Learning the conditions of the animal such as previous operations and diseases will allow the anesthesia and related treatments to be performed more accurately. Said identification chip reading device (22) operates in integration with the anesthesia device (1) and is shown representatively on the anesthesia device (1 ) in Figure-1. There is no obligation or restriction for it to be connected to the anesthesia device (1 ).

[0072] The HMI system referred to in the invention as HMI screen (3) is defined as a device and software that enables the user to interact with the machine and production systems. The working diagram of said HMI screen (3) is shown in Figure-3.

[0073] The operation method of the gas monitoring system on the HMI screen (3) of the anesthesia device (1 ) according to the invention comprises the following steps:

[0074] -Accessing the patient selection screen from the HMI screen (3), which is the home screen of the anesthesia device (1 ) (1001 ),

[0075] -Proceeding to the automatically determined cat or dog options or making a manual selection (1002),

[0076] -If a cat is selected as the patient, proceeding to the kitten or adult cat options here (1003),

[0077] -If a kitten is selected, proceeding to the kilogram selection screen (1004), -If an adult cat is selected, proceeding to the kilogram selection screen (1005), -If a dog is selected as the patient, proceeding to the puppy or adult dog options here (1006),

[0078] -If a puppy is selected, proceeding to the kilogram selection screen (1007),

[0079] -If an adult dog is selected, proceeding to the kilogram selection screen (1008), -After completing the cat, dog or manual kilogram selections, proceeding to the operation start screen (1009),

[0080] -Proceeding to the operation work screen (1010),

[0081] -Activation of the relevant alarms regarding the low tube pressure, low flow and tube pressure conditions from the start of the work (1011 ),

[0082] -Stopping the operation (1012).

[0083] In the system according to the invention, the patient selection screen is opened from the HMI screen (3). In the system, there are predetermined cat or dog options with special software. At this stage, automatic selection can be made from the predetermined options, and also there is an option to manually adjust the device. If the box indicating that the patient is a cat is selected, the next step is to proceed to the kitten or adult options. If a kitten is selected, one is directed to the kilogram selection values predefined in the device. Similarly, if an adult cat is selected, one is directed to the predefined kilogram selection values. Returning to the patient selection stage, if a dog is selected as the patient, the next step is to select a puppy or an adult dog and then proceed to the kilogram selection values. While selecting kilograms, an automatic selection can be made according to the predefined values in the system, or the user can manually enter kilogram information into the system. In the patient selection screen, if a manual selection is made without selecting a cat or dog, the kilogram value is entered directly into the system by the user. After selecting the kilogram automatically or manually, one is directed to the operation start screen. At this stage, the filling rate of the tube attached to the device and the pressure of the tube are displayed on the screen. Then one is directed to the operation work screen. On this screen, alarms that will operate according to low tube pressure, low flow and tube pressure conditions are active from the start of the work and there is an operation stop box that allows the operation to be stopped when any risky situation is detected.

[0084] In the system according to the invention, cat and dog species are given as representative, and animal species can be changed according to the area of use. Likewise, the options designated as puppy / kitten and adult can be adjusted according to different parameters.

[0085] Industrial Applicability of the Invention

[0086] The invention relates to an anesthesia device developed to ensure that animals, especially in veterinary applications, receive oxygen correctly according to the appropriate kilogram and appropriate liter / minute flow rate before and during anesthesia, and is applicable to industry.

[0087] The invention is not limited to the foregoing description, and a person skilled in the art can easily demonstrate different embodiments of the invention. These should be considered within the scope of the protection requested by the claims of the invention.

Claims

CLAIMS1 . An anesthesia device, characterised by at least one upper body (2), at least one HMI screen (3), at least one mechanical pressure gauge (4), at least one pressure manometer (5), at least one bellows holder (6), at least one flowmeter (7), at least one carbondioxide trap (8), at least one upper tray (9), at least one vaporiser area (10), a lower body (11), a lower base (12), at least one wheel (13), at least one electronic card (14), said electronic card (14) comprising at least one processor (14a), at least one communication unit (14b), at least one detecting unit (14c), at least one data exchange unit (14d), at least one first energy connection unit (14e), at least one second energy connection unit (14f).

2. An anesthesia device according to claim 1 , characterised in that it comprises at least one microchip reader device (22) integrated in the anesthesia device (1)-3. A method of operation of a gas monitoring system used in an anesthesia device, characterised in that it comprises the following process steps: -Accessing the patient selection screen from the HMI screen (3), which is the home screen of the anesthesia device (1) (1001 ),-Proceeding to the automatically determined cat or dog options or making a manual selection (1002),-If a cat is selected as the patient, proceeding to the kitten or adult cat options here (1003),-If a kitten is selected, proceeding to the kilogram selection screen (1004),-If an adult cat is selected, proceeding to the kilogram selection screen (1005), -If a dog is selected as the patient, proceeding to the puppy or adult dog options here (1006),-If a puppy is selected, proceeding to the kilogram selection screen (1007), -If an adult dog is selected, proceeding to the kilogram selection screen (1008), -After completing the cat, dog or manual kilogram selections, proceeding to the operation start screen (1009),-Proceeding to the operation work screen (1010),-Activation of the relevant alarms regarding the low tube pressure, low flow and tube pressure conditions from the start of the work (1011 ),-Stopping the operation (1012).

Citation Information

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