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

Results-types of surgery, Results: Early mortality for tricuspid valve re...

Results: Early mortality for tricuspid valve replacement is around six per cent. But depending on the patient's class of symptoms and the number of concomitant procedures, this c

Define about the food production, Define about the Food Production? We ...

Define about the Food Production? We know that agriculture comprises the major source of food production. This is very true in a country like ours where the majority of the pop

Food pyramid concept, Dietary counseling based on the food pyramid concept ...

Dietary counseling based on the food pyramid concept and the food to target concept will be quite useful in the management of the disease. The optimal age for discontinuing the

How many different molecules composed, How many different molecules compose...

How many different molecules composed of (A) two (B) three, and (C) four amino acids, linked together by peptide bonds, can be made from the set of 20 naturally occurring amino aci

When to use the term 2'' carbon, When do you use the term 2' carbon and whe...

When do you use the term 2' carbon and when do you use 2 carbons on a molecular structure? I need examples please!

Omega-3 essential fatty acids, Q. Omega-3 Essential Fatty Acids? Omega-...

Q. Omega-3 Essential Fatty Acids? Omega-3 essential fatty acids found in flax and cold-water fish help fight inflammation. For a condition such as diverticulitis, it may be wis

The accident or incident theory - accident causation, The Accident or Incid...

The Accident or Incident Theory - Accident Causation Peterson when reiterating the significance of human factors added such factors as ergonomic traps, the decision to err and

Explain potassium, Explain Potassium Potassium (K): Potassium restri...

Explain Potassium Potassium (K): Potassium restricted diets are important for patients with  advanced renal  failure undergoing  conservative  treatment or haemodialysis. Th

Define fluconazole, Define Fluconazole It is a weaker inhibitor of CYP...

Define Fluconazole It is a weaker inhibitor of CYP3A4 than itraconazole or ketoconazole but may still increase serum concentrations of drugs metabolized by 3A4, like cyclospor

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