HT Image
HT Image

Researchers at IISER develop low-cost ventilator

By Snehal Fernandes, Mumbai
PUBLISHED ON MAY 14, 2020 11:50 PM IST

Researchers at the Indian Institute of Science Education and Research (IISER), Pune, have developed a low-cost mechanical ventilator —a hybrid version of a ventilator developed in US and Italy — to bridge the demand-supply gap owing to the Covid-19 outbreak.

Developing cheap ventilators is important as per a recent paper by the Centre for Disease Dynamics, Economics and Policy that has estimated that India has approximately 1.9 million hospitals beds, 95,000 ICU beds and 48,000 ventilators. Most beds and ventilators are concentrated in Uttar Pradesh, Karnataka, Maharashtra, Tamil Nadu, West Bengal, Telangana and Kerala.

“Critical Covid patients need a ventilator that is slightly more advanced in terms of features and usability,” said Umakant D Rapol, associate professor, physics department, IISER. “We have kept the ventilator simple yet efficient by incorporating design requirements and almost all functionalities that a doctor requires to treat patients,” he added

Stating that the prototype costs between Rs 30,000-40,000, Sunil Nair, associate professor, physics department, IISER, said the ventilator has been tested for about half a million cycles in the laboratory.

The advanced full-fledged version of the ventilator — it is a microprocessor-based system — will be ready in two weeks following which the team will collaborate with clinicians for evaluation and mass production.

The idea to develop the ventilator was an offshoot of another project initiated by the institute’s international office.

“When we were asked to help in designing and development of a mechanical ventilator, known as the Bharucha ventilator in which we are still involved, we realised that it was a very basic machine that would not suffice for the use of Covid-19 patients,” said Nair. “We also got to know about a couple of open-source ventilators that were released — Mechanical Ventilator Milano and another one by the University of Florida. This got us thinking about how we could implement the ventilators in the Indian context.”

Having zeroed in on the two designs, the team comprising professors, a technical officer along with two former students pursuing their studies in Canada and Denmark started building the prototype on April 2.

“We ended up designing a hybrid version, which meets most of the specifications of the US and Italian models, with our materials. It was difficult to obtain many components due to the lockdown,” said Rapol. “The ventilator can be locally manufactured without relying on imported components,” he added.

Essentially, the prototype comprises three primary modes of operation such as continuous positive airway pressure with different parameters (breaths per minute, for instance) delivered to the patient that can be chosen by the operator from the front screen.

Working on compressed air from the hospital or a dedicated compressor that provides clean air, the ventilator is also equipped with an additional self-assisted mode — the machine supports breathing which is initiated by the patient based on appropriate upper or lower air pressure triggers that are set by the operator. Researchers said one can remotely control and monitor the parameters of both the ventilator and the patient. One can also use a single computer to interact with many similar ventilators in a hospital, and monitor various parameters on a mobile phone.

Tarun Souradeep, professor and chair physics at the institute, said, “Building this low-cost ventilator is a good initiative since they have used their capabilities of building instruments, which is rare in science departments because experimentalists are largely used to running expensive instruments that are purchased for laboratories.”

SHARE THIS ARTICLE ON
Close
Maharashtra opposition leader and former CM Devendra Fadnavis addresses a press conference in Mumbai, (PTI)
Maharashtra opposition leader and former CM Devendra Fadnavis addresses a press conference in Mumbai, (PTI)

Maharashtra's MVA govt trying to curtail budget session citing pandemic: BJP

PTI
PUBLISHED ON FEB 25, 2021 10:05 PM IST
Fadnavis also criticised the MVA government for its "double standards" over the coronavirus situation in the state.
Close
A Mahindra Scorpio was found parked on Carmichael Road near 'Antilia', Ambani's residence(HT Photo)
A Mahindra Scorpio was found parked on Carmichael Road near 'Antilia', Ambani's residence(HT Photo)

Car with explosives found near Mukesh Ambani's house, investigation underway

Written by Prashasti Singh
UPDATED ON FEB 25, 2021 09:42 PM IST
A Mahindra Scorpio was found parked on Carmichael Road near 'Antilia', Ambani's residence, and a Bomb Detection and Disposal Squad (BDDS) team reached the spot immediately, said Chaitanya Siriprolu, deputy commissioner of police, Mumbai.
Close
A healthcare worker collects swab sample of a Metro worker for the COVID-19 test in Mumbai.(ANI File Photo)
A healthcare worker collects swab sample of a Metro worker for the COVID-19 test in Mumbai.(ANI File Photo)

Covid-19: Mumbai records another spike with 1,145 new cases in 24 hours

By hindustantimes.com | Edited by Amit Chaturvedi
UPDATED ON FEB 25, 2021 08:12 PM IST
Maharashtra is the worst-affected state by the spread of the disease, and after a brief fall, the cases have started rising there again. On Thursday, the state recorded 8,702 new cases of the infection, according to state health department update.
Close
A BMC health worker takes a sample from a woman for Covid-19 test, at a housing society in Dadar, Mumbai on February 24. (PTI)
A BMC health worker takes a sample from a woman for Covid-19 test, at a housing society in Dadar, Mumbai on February 24. (PTI)

Active Covid-19 cases in Mumbai up by around 64% in a fortnight

By Mehul R Thakkar
PUBLISHED ON FEB 25, 2021 04:49 PM IST
The city reported over 1,000 daily cases almost after three months on Wednesday. Mumbai had 4,197 active cases on February 11. They increased to 6,900 on February 24
Close
A BMC health worker collects swab sample of a construction worker for Covid-19 test, at Siddhivinayak Metro site in Mumbai on February 25. (PTI)
A BMC health worker collects swab sample of a construction worker for Covid-19 test, at Siddhivinayak Metro site in Mumbai on February 25. (PTI)

As Covid cases spike, CM threat of lockdown sees Mumbai events being cancelled

PUBLISHED ON FEB 25, 2021 04:32 PM IST
For social events, the state has mandated a maximum of 50 persons at a time in the banquet hall; they should be wearing masks along and maintaining social distance
Close
In just 9 days, the doubling rate of coronavirus cases in Mumbai has reduced to 294 days..(PTI)
In just 9 days, the doubling rate of coronavirus cases in Mumbai has reduced to 294 days..(PTI)

Covid-19 spike in Mumbai: Here's how the hotspots changed in 9 days

By hindustantimes.com | Written by Deepali Sharma, Hindustan Times, New Delhi
UPDATED ON FEB 25, 2021 03:55 PM IST
Here is the list of Covid hotspots in Mumbai, as of February 23.
Close
Hrithik Roshan. (File photo)
Hrithik Roshan. (File photo)

Hrithik Roshan’s statement likely to be recorded in case against Kangana Ranaut

By Manish K Pathak
PUBLISHED ON FEB 25, 2021 01:45 PM IST
Roshan has accused Ranaut of harassing him by sending him hundreds of emails. After an initial probe, police recorded Ranaut’s statement after concluding that the emails were allegedly sent from her id, said a police officer
Close
Siddhivinayak Temple in Prabhadevi opened in November of last year after a hiatus of eight months due to the ongoing coronavirus pandemic. (ANI Photo)
Siddhivinayak Temple in Prabhadevi opened in November of last year after a hiatus of eight months due to the ongoing coronavirus pandemic. (ANI Photo)

Mumbai: QR code must for darshan at Siddhivinayak temple on March 2

By hindustantimes.com | Edited by Ayshee Bhaduri, Hindustan Times, New Delhi
PUBLISHED ON FEB 25, 2021 01:17 PM IST
  • As per the new restrictions, no offline darshan will be allowed on the auspicious day without pre-issued QR codes. Darshan will be allowed against pre-issued QR codes between 8am and 9pm on March 2.
Close
Representational image. (Bloomberg)
Representational image. (Bloomberg)

229 students contract Covid-19 in Maharashtra’s Washim

By Pradip Kumar Maitra
UPDATED ON FEB 25, 2021 11:57 AM IST
Four teaching and non-teaching staffers have also been found to be infected. Necessary treatment is being given to the patients. Two doctors and other health workers have been deputed to treat the students
Close
Heavy traffic jam on Gurugram- Delhi border at the expressway, in Gurugram. (File photo)
Heavy traffic jam on Gurugram- Delhi border at the expressway, in Gurugram. (File photo)

Thane caught in traffic snarls due to overturned freight container

By HT Correspondent | Edited by Abhinav Sahay, Thane
PUBLISHED ON FEB 25, 2021 11:53 AM IST
  • The accident at Mumbra bypass occurred around 2:30am, although there were no injuries, it took a few hours to remove the heavy vehicle from the road with the help of three cranes.
Close
A healthcare worker uses an oximeter to check oxygen level of passengers at a railway station, amidst the spread of the coronavirus disease (COVID-19), in Mumbai, India, February 22, 2021. REUTERS/Niharika Kulkarni(REUTERS)
A healthcare worker uses an oximeter to check oxygen level of passengers at a railway station, amidst the spread of the coronavirus disease (COVID-19), in Mumbai, India, February 22, 2021. REUTERS/Niharika Kulkarni(REUTERS)

Maharashtra: Over 200 students, teachers test positive for Covid-19 in Washim

By hindustantimes.com | Edited by Shivani, Hindustan Times, New Delhi
UPDATED ON FEB 25, 2021 12:10 PM IST
  • As per reports, the school has been now declared as the containment zone. A total of 327 students from Amravati, Hingoli, Nanded, Washim, Buldhana, Akola reside in this hostel.
Close
Representational image. (Getty Images)
Representational image. (Getty Images)

Maharashtra: MMRC to develop Miyawaki forest in Goregaon

PUBLISHED ON FEB 25, 2021 10:57 AM IST
An MMRC statement released on Wednesday said the drive will involve the plantation of 9,000 saplings of various indigenous species
Close
Representational image.
Representational image.

Man booked for instant divorce in Mumbai

By Vijay Kumar Yadav
PUBLISHED ON FEB 25, 2021 09:53 AM IST
The man also allegedly demanded 5 lakh from his in-laws and mortgaged his wife’s ornaments before returning to Saudi Arabia where he worked
Close
Representational image.
Representational image.

Wife’s refusal to make tea no provocation for assault: Bombay high court

By KAY Dodhiya
PUBLISHED ON FEB 25, 2021 09:04 AM IST
On the day of the incident, a quarrel ensued between the two and when the woman refused to make tea for him, he assaulted her with a hammer
Close
State education minister Varsha Gaikwad tweeted about the initiative on Tuesday. (HT FILE)
State education minister Varsha Gaikwad tweeted about the initiative on Tuesday. (HT FILE)

Maharashtra to start drive to identify drop-out students from March 1

By Ankita Bhatkhande, Mumbai
UPDATED ON FEB 25, 2021 01:07 AM IST
The department recently released a government resolution (GR), laying down the constitution of state and district-level committees to oversee the drive that will take place from March 1 to 10.
Close
SHARE
Story Saved
OPEN APP