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Questions tagged [medical-devices]

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1 answer
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Why do modern MRI scanners use an axial static field?

Last night I was reading some fascinating history of the first full-body MRI scanner and noticed that it's fundamentally different from modern scanners in one particular way: the static B field is ...
Bernd Jendrissek's user avatar
2 votes
0 answers
835 views

IV drip/flow rate controller design

I have a question about intravenous flow rate controllers, which are controlled using microprocessors. For example: I want to control the IV flow rate, the flow is in range from 0 to 300. So, I just ...
rafifadl's user avatar
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What would be a good way to connect parts that would be replaced on a training model?

I'm trying to work on a training model for neurosurgery. Residents will be operating on the posterior part of the model, and it needs to be replaced after each training session. While the anterior ...
Bilal Bahadır Akbulut's user avatar
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18 views

Help identifying a source for medical/bioprocess rotational pinch valve

I am attempting to identify a type of pinch valve that I have seen used in a few different bioprocess and medical blood/fluid perfusion systems. The valve appears to be actuated by a stepper/servo ...
Bortamus's user avatar
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37 views

How does an airflow sensor work?

There are 4 piezoresistive sensors placed at position A, B, C and D.1 I searched for the working principle of an airflow sensor and I saw this. If I am trying to identify the expected displacement ...
lok lok's user avatar
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0 answers
13 views

What pressure sensor and how should it be installed on to the medical ventilator to get the pressure flow graph?

I'm currently building a project named camshaft mechanism medical ventilator. One of the objective of my project is to get the pressure flow graph from my user. I succesfully build my camshaft. ...
brian's user avatar
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0 answers
15 views

Calculate pressure gradient between 2 compartments so that 4 ml of fluid would flow through a 0.413 mm hole in 72 hours

Introduction. This question refers to the medical field. Human spinal cord is surrounded by 3 layers: the PIA MATER is in direct contact with the spinal cord itself; the next one is the ARACHNOID ...
Mihai M.'s user avatar
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21 views

Cost effective hand held medical scanner

I am currently doing a summer project where I am tasked with taking precise measurement of skin deformations, whether it be wounds or pimples, the measurement of the z-axis depth is what I am ...
tigerhoang03's user avatar
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41 views

Can an IV laser cause eye damaged when used intraorally?

Here are the specs for the laser https://summuslaser.com/lasers/lasers-horizon-medical/ It has a dental attachment. When used intraorally and the tip is pointed to the roof of the mouth, I can see the ...
user567068's user avatar
0 votes
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28 views

What Materials and Load cells are suitable for a Medical Weighing device?

I'm creating a medical weighing scale for immobile patients for my final year project in college. The weighing scale is a flat surface that can be slid underneath the patient. I'm at a standpoint as ...
Ben Kirwan's user avatar
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ecg cable is there any different from brand to another

i have this device but ecg 3 lead cable is missing my question can i use different brand ecg cable for this device the second picture plug I have the last picture is missing can i use different ...
ioen jid's user avatar
-1 votes
0 answers
21 views

Cataloging the History and Genealogy of Innovations

I have a curious and unusual question for y'all. This question is mostly philosophical about the field of engineering trying to understand itself. (Disclaimer: I am a student of medicine, biochemistry,...
Luca's user avatar
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