COVID-19 response - artificial lung ventilator project

The COVID-19 pandemic is the greatest challenge that Lithuanian and the whole world is facing. Due to this threat, most organizations are taking the corresponding action that will prevent the spread of COVID-19 virus. Pointing out that the virus potential longer-term effects people health, Teltonika is inviting to unite and fight against this pandemic by searching for effective solutions. Our aim is to develop and launch the mass production of ventilators that would be available to all healthcare facilities. We are inviting You to join us by writing a letter to pagalba@teltonika.lt

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  TELTOMED ONEᵀᵀ: Updated product flyer and user interface

  Our DPV100 artificial lung ventilator has its’ official name: TELTOMED ONEᵀᵀ! Together with the new name, we would like to represent the updated flyer for the first edition of pulmonary ventilator prototype (the information in the flyer may be subject to change due to further development of the pulmonary ventilator). Considering increased requirements for medical devices, we have extended Alarm settings with additional security features added to the device. In addition, we have updated the user interface, which makes it very intuitive. The new updated user interface will allow the user to monitor the parameters of the lung ventilator and easily change a parameter according to the patient’s needs. The updated flyer of current DPV100 version can be downloaded from the gallery below (the information in the flyer may be subject to change due to further development of the pulmonary ventilator).

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  Finalizing the prototype and new design of the device

  Teltonika Telemedic engineers’ team is working hard to finalize the prototype of DPV100 artificial lung ventilator. Our constructors and programmers are improving the mechanics and resolving the technical issues. We already have implemented four ventilation modes: PC CMV, CPAP, BiLevel and PC SIMV. In the future, we are planning to implement the following ventilation modes: PC A/C, VC A/C, APRV, PRVC. At the moment we are producing the first 100 pcs of the device that will be shipped to our first clients for testing who will give us a feedback about the device. We will take the feedback into consideration in further development of the pulmonary ventilator. We already have clients from Europe, Latin America and India waiting for our artificial lung ventilator. In addition, our team has updated the lung ventilator design according to EN 80601-2-12:2020 standard. It ensures the safety and performance of the ventilator in combination with the accessories. Current design pictures can be found in the gallery below.

  

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  Special lung simulation equipment

  The last month the Teltonika Telemedic team was focusing on artificial lung ventilator features improvement and development. Due to find the most efficient way to test artificial lung ventilators, we enrich our laboratory with the „Michigan Instruments PneuView3“ lung simulation tool. By using this simulation tool, we not only minimize any type of artificial lung ventilator failure but also avoid excess experimentation with non-human animals. The predefined simulation values are stored in the memory and after the experiment, the program is showing operation bias error between DPV100 and PneuView3.
  
  This week we arranging simulation 24/7 with a dedicated PC-CMV (PRESSURE CONTROL - CONTINUOUS MANDATORY VENTILATION) mode. The longest experimentation succeeds over 56 hours of continuous ventilation mode. In paralel we have checked new implemented fuctionality – spontaneous breathe trigger, which will be necessary for SIMV mode . Moreover, the upcoming test will cover PC-CMV, CPAP, BiLevel and PC-SIMV.

  

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  Upcoming next generation DPV100 updates

  From the additional market analysis and cooperation with medical institutions, we have gathered important information that will allow us to make principal user experience changes. We will increase font size, adjust dedicated medical parameters representation layout, and widen the main screen. Due to these changes, medical professionals will be able to easily monitor a patient’s vital parameters and make a corresponding action faster. As well, after the discussions with medical institutions and medical personnel, we have enabled electronic PEEP (Positive End-Expiratory Pressure) regulation which is now may be changed through the user interface of the DPV100.

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  New functions development and mass production optimization

  This moment we are working on professional quality assurance and testing tools. Moreover, we set up a goal, that upcoming massive production testing would be as much automated as possible. Due to this professional quality assurance process, we will be able to minimize mistake probability and increase manufacturing efficiency. Our analytics team is continuously working on the certification processes and possible patent procedures. We are currently focusing on artificial lung ventilator additional modes development. Soon we will expand artificial lung ventilator DPV100 modes to PC CMV, CPAP, BiLevel, PC SIMV. More technical details about current version of DPV100 product (the information in the flyer may be subject to change due to further development of the pulmonary ventilator).

  

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  The Clinical Research

  Our research and developing team together with a technical support specialists already done a primary user manual dedicated to the first clinical researches with an artificial lung ventilator. The clinical research will start after preclinical testing is performed and required permits are issued. More information about product preorders You can get by contacting us info@teltonika-telemedic.lt.

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  Certification process

  We are continuously working on the artificial lung ventilator certification process which consists of several parts. The certification will focus on ISO requirements for medical devices, including design and development, production, storage and distribution, installation. The certification process will also include IEC group certification which will cover any electro-mechanical and basic electronic component safety in a lung ventilator. This week is dedicated to certification organization research. If You know more about special medical equipment certification, please contact us at pagalba@teltonika.lt.

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  First prototype pilot bench assembly

  After a successful first ventilator prototype representation, we are moving forward and continue assembling the last 9 devices. Additionally, we already finished and tested invasive and non-invasive connection to the patient’s lung methods. Due to increased artificial lung ventilator demand, we are taking corresponding actions and opening the dedicated Teltonika Telemedic support line. From now on every question associated with artificial lung ventilators can be asked directly to info@teltonika-telemedic.lt
  Furthermore, we are shifting to the new project phase and started initiating medical device certification process. Without this part of the project, we will not be able to place artificial lung ventilators on the market or supply artificial lung ventilators to medical institutions. We also started preparing training materials to our staff and artificial lung ventilator users that will help ensure a quality use of lung ventilator. More about this project stage can be found in the gallery below.

  

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  The first DPV 100 model stand

  We are very excited to announce that after a long week our engineer team already has done the first DPV 100 prototype system. In the gallery below you can see a short video and a few photos about the latest ventilator version. Next week we are going to test the main functions and whole system stability. Furthermore, we on the way to update our ventilators' body that will be suitable with a dedicated screen. We also add functionality that supports any type of graphical Android interface, so we have an option to use various resolutions screens for a better representation of the whole user interface. Also, the first DPV 100 prototype was based on the special body that allows easy cleaning of the system and replacing any type of component without complicated disassembly. Next week will be dedicated to preparing the second iteration programming code, so soon will add more video updates that will demonstrate the DPV 100 working principles.

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  Updates user interface and new additional functions

  We are continuously working on air mechanical component integration with the main PCB and prototype testing phase. While mechanics and electronics engineers’ team are taking care of the main ventilator model our embedded programmers are analysing medical experts' observation and implementing new functions. In the picture gallery below, You can check the current version of ventilator’s look and read more about additional functions (the information provided may be subject to change due to further development of the pulmonary ventilator). Due to the updated touch screen, users will be able to easily monitor important pulmonary ventilation parameters and change modes according to the patient’s needs. The current upgraded version has VT_min and VT_max lung volume representing which indicated the normal volume of air displaced between normal inhalation and exhalation when extra effort is not applied. Normally health adult average tidal volume is around 500ml.per one breath cycle and our functionality help to monitor minimal and maximum tidal volume values over a dedicated period. Also, a new fraction of inspired oxygen representation gives an ability to analyse oxygen mixture over time. The extended flyer of current DPV100 version is now available to download in the gallery below (the information in the flyer may be subject to change due to further development of the pulmonary ventilator).

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  First product flyer and big step ahead

  We are glad to share that this week was successful for our team. First of all, we would like to inform that we already ordered all the necessary parts dedicated to the prototype iteration. Moreover, our manufacturer already deployed 10 new PCBs which will be the main base for upcoming lung ventilators. Next week we are planning to make deep tests about ventilator working stability. Due to received inquiries about the pulmonary ventilator project we are also presenting the first flyer for current version of pulmonary ventilator prototype (the information in the flyer may be subject to change due to further development of the pulmonary ventilator). Right now, it is the base version and each week we will make updates about new additional functions.

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  Visit of the president of the Republic of Lithuania and first PCB

  On April 17 we had a visit of the President of the Republic of Lithuania Gitanas Nauseda. During the visit, we presented pulmonary ventilator manufacturing and developing workflow and discussed how modern assembly lines could help Lithuania to stand in the great economic position while facing similar pandemics. According to the President, Teltonika presented exclusive flexibility and became a great example of how modern business could adapt to market needs. Later, our project implementer presented first manufactured PCB which is responsible for air mechanical components control and user interface. We also received first special ordered mechanical components that will soon suit into the prototype. Next week we are planning to combine important parts collectively and start testing communication between PCB and dedicated components. Another part of the team is now working on emergency power supply development. Currently, we decided to use a 10Ah battery which will take of the autonomous device working up to 4 hours. But battery life-time is also associated with selected breath conditions and diaphragm resistance so device working time could be from 2 till 4 hours. Our quality assurance team presented two separate stands models. First, one will be used to compare our prototype airflow parameters with well-known data form benchmark device. Another quality assurance stand will take care of PCB working characteristics. In our photo gallery, we are sharing moments of the visit with the President and the first PCB prototype.

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