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

Differences between prokaryotic & eukaryotic cells, DIFFERENCES BETWEEN PRO...

DIFFERENCES BETWEEN PROKARYOTIC & EUKARYOTIC CELLS   S . N o .   CHA R AC T ERS   P R O K AR Y O T I C CELL

Illustrate physiological evidence, Q. Illustrate Physiological Evidence ? ...

Q. Illustrate Physiological Evidence ? Physiological and biochemical evidence is providing data of increasing importance to plant systematic. Recently, it has become apparent t

Main factors for the growth of a population, Q. What are the main limiting ...

Q. What are the main limiting factors for the growth of a population? The factors that bound the growth of a population can be divided into abiotic factors and biotic factors.

How many people carry the allele, Phenylketonuria is a severe form of menta...

Phenylketonuria is a severe form of mental disability caused by a homozygous recessive allele. The condition affects about 1 in 10,000 neborn Caucasians. Estimate the frequency of

Define protein requirements for physical fitness, Define Protein Requiremen...

Define Protein Requirements for physical fitness? Proteins provide energy to the body. Since exercise may increase an athlete's need for protein, depending on the type and freq

Explain the management strategies congenital heart disease, Explain the Man...

Explain the Management Strategies for Adults with Congenital Heart Disease ? The goals for management of congenital heal disease in adults are improving upon the natural histo

Explain evolutionary relationship among animal groups, Evolutionary relatio...

Evolutionary relationship among various animal groups is depicted in the cladogram given below. P, Q and R respectively shown: a.  Vertebrae, hair and four limbs. b.  B

Define cell plate, Cell plate:  In the plants, a membrane-bound space produ...

Cell plate:  In the plants, a membrane-bound space produced during the process of cytokinesis by the vesicles of the Golgi apparatus. The cell plate fuses with plasma membrane, sep

Horse diseases-epidemiology, Epidemiology Infection is transmitted   b...

Epidemiology Infection is transmitted   by direct contact between infected domestic and wild animals and susceptible livestock; by arthropod vector (Phlebotomus, Aedes and Cul

Vital dye staining, Vital Dye Staining In this type of method, a piec...

Vital Dye Staining In this type of method, a piece of agar or cellophane soaked in the solution of a vital dye (Neutral Red, Nile Blue Sulphate, and Bismarck Brown etc.) is a

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