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

Skeleton, what is the biological significance of skeleton

what is the biological significance of skeleton

Explain class mammalia in animal kingdom, Explain Class Mammalia in animal ...

Explain Class Mammalia in animal kingdom? Class Mammalia: Mammals are distinguished by their hair and their mammary glands. Mammary glands, after which this group of vertebrate

Define laser tweezers technology - pure culture techniques, Define Laser Tw...

Define Laser Tweezers Technology? In addition to above said classical methods, advance technologies can be used for obtaining pure cultures. Laser tweezers technology is useful

Types of surgery, Types of Surgery :  Tricuspid valvotomy is done as an op...

Types of Surgery :  Tricuspid valvotomy is done as an open procedure at the end of surgery on mitral and/or aortic valve. It can be done on an arrested heart or on a beating heart

Explain the before abutment connection - implant failures, Before Abutment ...

Before Abutment Connection There can be wound dehiscence, and the presence of signs of infection such as swelling, fistula, pain prior to stage to surgery. It is important t

Catecholamines, Catecholamines increase activation of Ca 2+ via beta-adren...

Catecholamines increase activation of Ca 2+ via beta-adrenergic receptors and the adenyl cyclase system. Dopamine has both alpha and beta and dopaminergic effects.  Its beta ef

Explain the neuritic type of infantile beriberi, Explain the neuritic type ...

Explain the neuritic type of infantile beriberi? It is also referred to as Wernicke korsakoff syndrome or cerebral beriberi. It shows typical manifestations of peripheral neuro

Explain the mechanisms of endosseous integration, Mechanisms Of Endosseous ...

Mechanisms Of Endosseous Integration Three terms may be used to describe individual aspects of bone formation process that can occur around implants. They are Osteoconduction,

Examples of diseases normally spread by droplets, Q. (a) In droplet infecti...

Q. (a) In droplet infection (i) where do the droplets come from, (ii) what infective agents might they contain? (b) Give two examples of diseases normally spread

Explain briefly about foams, Explain briefly about Foams   Consider the...

Explain briefly about Foams   Consider the following example. Take some liquid in a glass and agitate or shake it vigorously. What do you observe at the top of the liquid. Yes,

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