Mechanical valves, Biology

Assignment Help:

Mechanical Valves

They are made of a combination of metal alloys, pyrolite carbon and dacron.

Types of Mechanical Valves

Caged-ball Valve (Star-Edwards)

A metal cage with several struts mounted in a circular ring, hollow metal or plastic ball inside cage. Durability is high, but possibility of blood clots forming on or around the valve with the risk of embolism is high.

Tilting Disc Valve (Bjork-Shiley Medtronic Hall)

Mobile lens shaped disc attached to a circular sewing ring by two offset transverse struts. This has high durability and efficiency.

Bileaflet Valve

Two pivoting semi-circular discs that open centrally, mounted

(St. Jude)

Directly onto a sewing ring.


Related Discussions:- Mechanical valves

Legal level -pollution control, Legal level -Pollution control Polluti...

Legal level -Pollution control Pollution must be controlled by effective legislation also. Like USA, Japan, Germany and many other countries a comprehensive legislation for pr

Give some examples of secretory cells?, Endocrine and exocrine pancreatic c...

Endocrine and exocrine pancreatic cells, thyroid and parathyroid endocrine cells, adenohypophysis, adrenal and pineal endocrine cells, the lot of types of gastric exocrine and endo

Define principle behind the functioning of a ph meter, Define Principle beh...

Define Principle behind the functioning of a pH meter? Principle Hydrogen ions in solution, like other ionic species, conduct an electric current. When a glass electrode is dip

Explain haccp system, Explain HACCP System HACCP System :  The resul...

Explain HACCP System HACCP System :  The result  of  the  implementation  of  the HACCP Plan.

Define the drug and drug effect, Define the Drug and Drug Effect? In th...

Define the Drug and Drug Effect? In the discussions above, we reviewed the effect of food on drug metabolism. Interestingly, not only can drugs interact with food and alcohol,

How parasitic infections are found, How Parasitic infections are found? ...

How Parasitic infections are found? Parasitic infections are found throughout the world. With increasing travel, immigration, use of immunosuppressive drugs and the spread of A

Why vegetable and fruit are important for human body, Why Vegetable and Fru...

Why Vegetable and Fruit are important for human body? The vegetables and fruits add colour and variety to our diets in addition to providing a host of essential nutrients and p

Homologue, What would be the likely immune response ability of an individua...

What would be the likely immune response ability of an individual with a deletion of a Class II gene of the MHC on one chromosome and a nonsense mutation at the beginning of the sa

Explain the bioelectrical impedance analysis (bia), Explain the Bioelectric...

Explain the Bioelectrical impedance Analysis (BIA)? The difficulty of measuring total body water (TBW) by Isotope Dilution Method led to the search of Bioelectrical Impedance A

Explain some functions of riboflavin, Explain Some Functions of Riboflavin?...

Explain Some Functions of Riboflavin? Protective role: Riboflavin protects the octodermal tissues and prevents lesions  of the skin, eye and nervous system. Riboflavin amelior

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd