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Biomedical Inventions

Biomedical Inventions


Elekta Axesse


Source: medicaltk.com

Source: elekta.com


Information

Elekta is a Swedish company that provides radiation therapy, radiosurgery related equipment and clinical management for the treatment of cancer and brain disorders

Elekta axesse is one of the contemporary devices used today to treat cancer. This invention was created to treat a large number of targets throughout the human body, including tumors located in the spine, lung, prostate and liver.

The device delivers a complete mix of vital tools. It can help carry out stereotactic radiosurgery (SRS), stereotactic radiation therapy (SRT), stereotactic body radiation therapy (SRBT) and stereotactic body radiosurgery (SBRS). During the treatment doctors have the possibility to observe a 3D image of the location that is to be treated.


Key Features

  1. High-definition dynamic radiosurgery (HDRS)
  2. The latest intelligent digital control system
  3. High dose rate beam generation
  4. Advanced image guidance and motion management
  5. Accurate patient positioning and immobilization


Eye Writer

Source: pinterest.com

Source: designboom.com



Information

The EyeWriter is a low–cost eye-tracking system that allows people to draw through their eyes. The EyeWriter system uses inexpensive cameras and open-source computer vision software to track the user’s eye-ball movements. The project was started by a popular graffiti artist Tony Quan when he was diagnosed with a disease known as ALS (Amyotrophic Lateral Sclerosis) in 2003, which left him paralyzed in all parts of his body except for his eyes. Members of Free Art and Technology (FAT), open frameworks the graffiti research lab and the rebelling group then got together to try and build a system that would allow Quan and other ALS patients to draw using their eyes. After this fantastic invention Quad can draw by moving his eyes in front of eye-tracking camera connected to a computer. His drawings can be projected onto surfaces.

 

Things required to make EyeWriter

  1. Voltage regulator
  2. Resistors
  3. Transistor
  4. Mosfets
  5. Potentiometers
  6. 7.5V Power Adapter
  7. Arduino
  8. M12 Lens Mount
  9. Round PCBs
  10. IR LEDs


Software required to make EyeWriter

  1. Integrated Development Environment (IDE)
  2. openFrameworks
  3. EyeWriter GitHub
  4. Software-Camera & Arduino

Microbubbles (MBs)

Source: hdinfra.in

Source: springer.com

Source: sciencedirect.com


Information

Microbubbles are small, gas-filled bubbles, which are smaller than one hundredth of a millimeter in diameter but larger than one micrometer. They are typically between 0.5 µm and 10 µm in diameter, which are used as contrast agents in medical imaging and carriers for targeted drug delivery. Microbubbles are usually injected intravenously; a process that researchers have shown is safe compared to the use of conventional contrast agents in techniques such as magnetic resonance imaging and radiography.


Uses

  1. Drug Delivery
  2. Biofilm Removal 
  3. Membrane Cleaning
  4. Biofilm Control
  5. Waste Water Treatment

How Microbubbles are made? (Composition)  

The core of the microbubble is a gas, which is surrounded by shell that may be composed of:
  1. Protein Shells
  2. Surfactant Shells
  3. Lipid Shells
  4. Polymer Shells
  5. Polyelectrolyte Multilayer Shells

The composition of the bubble shell and filling material determine important design feature such as buoyancy, crush strength, thermal conductivity and acoustic properties.


How microbubbles work

Microbubbles work by resonating in an ultrasound beam, rapidly contracting and expanding in response to the pressure changes of the sound wave. By a fortunate coincidence, they vibrate particularly strongly at high frequencies used for diagnostic ultrasound imaging.


Microbubbles in cancer 

Now-a-days chemotherapy drugs are injected intravenously. Although they are designed to destroy cancer cells, they also damage healthy tissue, leading to side effects such as nausea and hair loss.


CARDIOsphere Microbubbles

CARDIOsphere microbubbles are manufactured using a technique described as BiSsphere technology in which microbubbles are produced comprising an outer layer of a biocompatible material (albumin) and an inner layer of polymer. The microbubbles are filled with air and have been developed for myocardial perfusion studies.



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  Author :                  
   -> Devak Shah <-       
  @Author Edition        
@Tech Turtles  


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