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Showing posts with label BioMedical. Show all posts
Showing posts with label BioMedical. Show all posts

Monday, 11 December 2017

This New Surgical Needle Sends Real Image To Surgeon During Surgical Operations

This New Surgical Needle Sends Real Image To Surgeon During Surgical Operations

This New Surgical Needle Sends Real Image To Surgeon During Surgical Operations

surgical needle


Researchers from University College London (UCL) and Queen Mary University of London (QMUL) have worked together on a project to build up new optical ultrasound needle. This surgical needle allows the heart tissue to be imaged in real-time progressively during keyhole procedures. 

The surgical needle has been successfully put to test on pigs and gives the doctors a high-resolution picture of delicate[soft] heart tissue up to 2.5 cm in front of the needle. The needle can possibly make surgery quicker as well as more accurate too. Doctors need to depend on preoperative imaging scans and external ultrasound tests to enable them to visualize the delicate[soft] tissue that was being worked upon during a keyhole surgery.


surgical images


The hole is too little to include imaging gadgets too, and this breakthrough innovation is a noteworthy game changer. Dr. Malcolm Finlay, examine co-lead and consultant cardiologist at QMUL and Barts Heart Center describes the new equipment, "The optical ultrasound needle is ideal for procedures where there is a little tissue focus that is difficult to see during keyhole surgery using current strategies and missing it could have terrible outcomes. We now have real-time imaging that enables us to separate between tissues at an exceptional depth, managing the highest risks moments of these procedures. This will decrease the odds of entanglements happening during routine but skilled procedures, for example, removal strategies in the heart. The technology has been designed to be totally good with MRI and other current methods, so it could likewise be utilized during brain or fetal surgery, or with guiding epidural needles." 


new surgical needle in use



The instrument works by putting a miniature optical fiber inside a uniquely designed surgical needle. The needle can convey pulse of light that create ultrasonic pulses. These pulses are reflected from the delicate[soft] tissue and are detected by a second optical fiber equipped with a sensor that gives ongoing ultrasound imaging. 



The study's co-author, Dr. Richard Colchester (UCL Medical Physics and Biomedical Engineering) portrays the new instrument's application: "The entire procedure happens to a great degree rapidly, giving an exceptional continuous perspective of delicate [soft] tissue. It provides doctors with a live picture with a resolution of 64 microns, which is what might as well be called just nine red platelets, and its awesome sensitivity enables us to readily differentiate delicate[soft] tissues."
new surgical needle design

The technology has only been made possible by the development of a black material that contains a mesh of carbon nanotubes and the creation of optical fibers based on polymer optical microresonators for detecting ultrasound waves. The team is still working together and might use this technology to develop other keyhole surgery tools.

Saturday, 9 September 2017

Artificial Pancreas Nightmare Will Soon Become Reality

Artificial Pancreas Nightmare Will Soon Become Reality
artificial pancreas monitoring sugar level
Artificial Pancreas device
 The people suffering from  Type 1 diabetes (insulin dependent type) need to always keep their blood glucose level (BGL) under tight check and take insulin according to the prescription of specialist. In any case, this regular battle of looking after oneself would now be able to be ideally lessened. A current study demonstrated that automated "artificial pancreas" will be accessible as right on time as 2018.

The review paper by Thabit and Hovorka at Cambridge University investigations the general pattern and advance of different artificial automated systems and their technology , including the artificial  pancreas that is as of now a work in progress by the researchers at Boston University.

The present treatment for insulin-dependent diabetes includes two stages. To start with, the patient needs to check their BGL physically by a finger prick blood test; the perusing should be taken a few times amid the day. Secondly, they should direct the insulin at whatever point the reading is above normal . The insulin is in a "pump," a gadget that can be appended to dress to control the normal  level insulin measurements through a catheter under the skin. Patients need to manually direct the pump to infuse additional insulin while having meal.

artificial pancreas sensor device
Artificial Pancreas Sensor Device

An Artificial pancreas will consolidate both these means in a solitary "shut circle" system. A needle in the skin will always monitor glucose level in blood and regulate the required measurement consequently without the need of client doing it manually unfailingly. This records for more prominent accuracy. Furthermore, these "pumps" manage a typical basal measurement of insulin that is not an ideal strategy as insulin necessity varies from time to time  and from individual to individuals. The artificial pancreas have the ability to monitor  these fluctuating needs, subsequently giving extra advantage to  closed-loop systems.

Clinical trials have been conducted in diabetes camps, and remotely supervised free tests was also carried out at homes to check the ramifications of artificial pancreas. The studies presume that artificial  pancreas is better at keeping up ideal glucose level, and it likewise decreases  the time of hypoglycemic state (condition of low glucose).

"In trials to date, users have been sure about how use of an artificial pancreas gives them 'time off' or a "holiday" from their diabetes management, since the system is managing their blood sugar level adequately without the requirement for consistent monitoring by the user," says in the paper.
Artificial pancreas has preferable practicality over transplant of insulin secreting cells or whole pancreas. These surgeries are obtrusive and may bring about complexities like tissue rejection . Research is in progress to defeat the current and conceivable difficulties with artificial pancreas to additionally enhance the technology.

The FDA is as of now looking into the proposition of a artificial pancreas system that may get approved by one year from now. Meanwhile, an investigation by UK National Institute for Health Research anticipates that shut circle systems might be available in showcase by 2018.

Thursday, 6 April 2017

Researchers Are Developing A Contact Lens That Tells You When You Are Sick

Researchers Are Developing A Contact Lens That Tells You When You Are Sick

Researchers Are Developing A Contact Lens That Tells You When You Are Sick

lens that tells you when you are sick
The energy of ultra-thin transistor innovation is here to caution us about our well being before it is past the point of no return, as asserted by a group of specialists from Oregon State University. Educator Gregory Herman, leader, has built up a straightforward biosensor that can be connected to a contact focal point and can identify indications of an extensive variety of well being conditions and alarm you to make sufficient strides.

At present, the model can just identify blood glucose levels, yet the scientists conjecture that it can increment in applications to the point of distinguishing disease. The exploration will be exhibited on fifth April at the 253rd National Meeting and Exposition of the American Chemical Society.
The venture started with Herman endeavoring to find a superior strategy to recognize diabetes. He needed to give a substitute to the intrusive pricking or the terminal implantation technique, which can be excruciating and cause skin contaminations. In this manner the idea of expendable, biosensing contact focal point was conceived.

Herman and his group have utilized a semiconductor made out of the compound gallium zinc oxide (IGZO) to reach focal point. A straightforward sheet of IGZO was utilized to manufactured the biosensor's transistors and glucose oxidase, which is a compound that can separate glucose. The working standard is entirely direct, the glucose in the individual's liquids interacted with the biosensor, and the chemical oxidizes the glucose. This makes the pH level blend move that can trigger quantifiable changes in the electrical current going through the IGZO transistors, with the little nanostructures inserted inside the IGZO biosensor identifying the glucose focuses.

    Herman guarantees that more than 2,500 biosensors can be installed in a 1-millimeter square fix of an IGZO contact focal point, each of which can gauge an alternate real capacity.
"There is a considerable lot of data that can be checked in a tear," Herman told Gizmodo. "Obviously, there is glucose, additionally lactate (sepsis, liver illness), dopamine (glaucoma), urea (renal capacity), and proteins (growths). We will probably extend from a solitary sensor to different sensors."
The sensor is in the improvement stage and hasn't been appended to a contact focal point yet. In any case, the testing on creatures will soon begin, and the group likewise hopes to outfit the focal point with radio recurrence (RF) transmission capacity, which self discipline the gadget and charge the capacitors.
Furthermore, since the contact focal points are expendable, they are sterile and moderate.
"We are utilizing an innovation that is fundamentally the same as what is utilized for mobile phones, the IGZO thin film transistors," Herman said. "One hundred transistors in a PDA show will cost under ten pennies."
lens that tells you when you are sick

Scientists Have Developed A Drug That Can Reverse Aging And Balding

Scientists Have Developed A Drug That Can Reverse Aging And Balding

Scientists Have Developed A Drug That Can Reverse Aging And Balding


There won't not be any such thing as the Fountain of Youth, yet this most likely is the nearest thing to it! Battling against maturing and not wishing to pass on is individual's most seasoned interest, and the Dutch specialists at the Erasmus University Medical Center claim to have found a definitive cure!

As announced by the Dutch News, Peter de Keizer and his partners at Erasmus' division of sub-atomic hereditary qualities have effectively shown the inversion of the manifestations of maturing in lab tests on mice. The mice that were dealt with shown regrowing of hide they had actually lost because of seniority, while they additionally displayed a checked change in stamina and kidney capacities. The report additionally expresses that the mice could run twice as quick as the ones who were left untreated.

'I began examine on a central organic question with no thought of utilization since I was keen on observing what happened to senescent cells when they get unsalvageably harmed – whether they bite the dust or go into another kind of reaction,' De Keizer told DutchNews.nl. 'When I had distinguished the guilty party, I began to constitute a compound to attempt to focus on those cells. While taking a gander at this natural question, I understood there could be an impact on maturing'

The exploration group asserts that their chemicals obstruct the correspondence divert in cells among  FOXO4 and p53 proteins, which devastates the senescent cells that development as we age. These phones prompt the marvel of maturing, and the recently discovered chemicals particularly focus on these while saving the sound ones.

The following huge undertaking for the exploration is to lead clinical trials and age the adequacy of the peptide treatment on people. On the off chance that effective, we may be on the very edge of deciphering the code of everlasting youth for our species!

Monday, 29 August 2016

This Medical Snake Robot Will Enter Your Mouth And Creep Inside You

This Medical Snake Robot Will Enter Your Mouth And Creep Inside You

Howie Choset is a professor in the Robotics Institute at the Carnegie Mellon University who has designed a snake-like robot that will glide down your throat, for health reasons.
 

This Surgical Snake Robot Will Enter Your Mouth And Crawl Inside You_Image 0
 
The Flex Robotic System has been designed for minimally invasive surgeries in the thoracic region. The robotic system can be routed by the surgeons to the site where the laparoscopic surgery is then performed.
This Surgical Snake Robot Will Enter Your Mouth And Crawl Inside You_Image 2
 Laparoscopic surgeries use small surgical instruments fixed to long, thin sticks and wires, leaving you with only a tiny scar on the outside.
This Surgical Snake Robot Will Enter Your Mouth And Crawl Inside You_Image 3

 The surgical snake bot designed by Choset will allow the surgeons to perform laparoscopic surgeries in a better way.

 Watch the demo of the surgical snake robot in this video.


 Would you allow a surgical robot to slither down your throat? Let us know with your comments.