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

Xerarch - kinds of succession, Xerarch - Kinds of Succession When the ...

Xerarch - Kinds of Succession When the succession takes place in drier area, i.e., the succession progresses from xeric to mesic conditions. It is further subdivided as:

What is diabetes mellitus, Question 1 What is diabetes mellitus? Discuss b...

Question 1 What is diabetes mellitus? Discuss briefly its pathogenesis. Explain how would you diagnose this disorder Question 2 Discuss the following Glucose tolerance

Importance of the brain evolved from fishes to reptiles, How has the import...

How has the importance of the brain evolved from fishes to reptiles? From the least to the most difficult brain structure, it is evident that the brain, from fishes to beings o

Psychedelic drugs (hallucinogens), PSYCHEDELI C DRUGS (HALLUCINOGENS) - ...

PSYCHEDELI C DRUGS (HALLUCINOGENS) - They act mainly on CNS and greatly alter one's thoughts, feelings and perceptions, called psychedelic drugs. They cause optical or a

Nutrition - different feeding habits, Different Feeding Habits Feeding ...

Different Feeding Habits Feeding habits of animals depend on the nature of the food consumed. Herbivorous : When plants are eaten. Examples - Horse, cow, rabbit, apes.

List the counselling skills, Q. List the counselling skills? Slowly sta...

Q. List the counselling skills? Slowly start winding up the contact with the client and the family by providing them support, motivating the client to take care of oneself with

Implantation - pre-embryonic development, Implantation - Pre-Embryonic Deve...

Implantation - Pre-Embryonic Development After entering the uterus and formation of ICM, the blastocyst starts to embed in the endometrium of the uterine wall. By one week aft

Ripening bananas, you tested three different treatments for ripening banana...

you tested three different treatments for ripening bananas. Before you did the lab, which one did you think would have ripened most? State your hypothesis and explain your reason

Research and documentation - conservation of wildlife, Research and Documen...

Research and Documentation - Conservation of wildlife First, list of endangered species are established by various national and international agencies. Another important actio

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