Types of non-cardiac stents
By: Paul Manalo
Stents are metal or fabric tubes inserted in weakened arteries in the body to hold the arteries open to restore normal blood flow (Stoller & Meng, 2007). Stents are more popularly and commonly associated with weakened coronary arteries resolved with cardiac surgeries, but there are...
By: Dr Pandula Siribaddana
The human body consists of many passages and conduits, which carry elements such as blood, urine, secretions, food and sometimes even air. Due to different reasons, these conduits can become narrow and may cause impairment to the flow. Because of advanced medical sciences, correction or...
Types of non-cardiac stents
By: Alicia M Prater PhD
Stents vary in size and material based on their intended use. Though wire mesh cardiac stents implanted into arteries are the most common technology that comes to mind, the basic concept of stenting can be used in a number of other organ systems. Stents are...
By: Dr. Manura Nanayakkara
A stent is an artificial tube made up of metal or plastic, that is inserted (temporary or permanently) into a natural tube or vessel to prevent constriction and loss of function. Stents are surgically inserted in various disease conditions including cardiac problems and non-cardiac problems...
By: Terrence Aym
Thomas Webster, an associate professor at the Divisions of Engineering and Orthopedic Surgery at Brown, has created a nanomaterial that can be injected into the human body. Once the material reaches body temperature it rapidly hardens into a substance like bone.According to the university...
What is a suprapubic catheter
By: Hannah Russell
A suprapubic catheter is a special type of catheter which inserts directly into the bladder through the abdominal wall. This explanation begs the question: what is a catheter. A urinary catheter is a device which inserts into the bladder to drain urine from the bladder...
Benjamin Jesty: Inventor of vaccination?
By: Hannah Russell
Ask the average textbook, “Who invented vaccination?” The response will most likely be, “Well, Edward Jenner, of course!” However, this common response might not be quite true. Another man, a fellow Englishman, might have the prior claim. In 1774, farmer Benjamin...
Technologies and materials: Comparison of urethral and prostate stents
By: Alicia M Prater PhD
Stenting is a technique used to open closed ducts in the body. The urethra is the duct between the bladder and external environment. Expandable materials, or stents, are inserted into the urethra to aid in the flow of urine by opening the channel in the...
Astounding breakthrough: Scientists create synthetic proteins that sustain life
By: Terrence Aym
2010 ended as a year of astounding breakthroughs in virtually all the sciences. The science of biology led the way with one stupendous breakthrough and revelation after another. So fast a pace did the breakneck breakthroughs occur that often it seemed a day barely passed...
Indications and contraindications of urethral stent placement
By: Alicia M Prater PhD
Urethral stents are plastic, metal or biodegradable mesh tubes placed in the urethra to correct an obstruction in the flow of urine from the bladder. The placement of a stent in the urethra, whether anterior or prostatic, depends on the circumstances of individual cases and...

 

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