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

Group of the phylum chordata, Q. What is the group of the phylum Chordata t...

Q. What is the group of the phylum Chordata that first colonized the terrestrial environment? From which habitat did they come? Partially aquatic partially terrestrial animals,

Type one diabetes mellitus, Q. Type one Diabetes Mellitus? Type 1 DM oc...

Q. Type one Diabetes Mellitus? Type 1 DM occurs in children and adolescents (6-14 yrs). In this disease, the body makes little or no insulin. Daily injections of insulin are ne

Man-made disasters- fire, A fire hazards is any situation when there is a ...

A fire hazards is any situation when there is a greater risk of harm to the people or the property due to fire. Causes 1.      Overloaded electricity systems. 2.      St

Show Relation between tissue and the implant material, Relation between Tis...

Relation between Tissue and the implant material The biologic interaction between the tissue and the implant material at an  interface may result in a variety of phenomena such

Explain the cell cycle in details, Explain the cell cycle in details? M...

Explain the cell cycle in details? Most cells of higher organisms follow a cyclic pattern of division. The bulk of the cycle consists of the stage known as interphase, the peri

Explain the use of spectinomycin in pregnancy, Use of Spectinomycin in Preg...

Use of Spectinomycin in Pregnancy  Spectinomycin (Trobicin) can be used to treat pregnant women allergic to beta-lactam antibiotics, but is unreliable against pharyngeal gonoco

Theory of germplasm, THEOR Y OF GERMPLASM - August Weismann (1834-1...

THEOR Y OF GERMPLASM - August Weismann (1834-1914) criticized the inheritance of acquired characters by putting forward the theory of continuity of germplasm. According

Define the causes of failures of root canal treatment, Define the Causes of...

Define the Causes of Failures of Root Canal Treatment 1. Errors in diagnosis and treatment planning 2. Coronal leakage ( inadequate restorative protection) 3. Lack of kno

Learning objectives of gastrointestinal disease, Q. Learning objectives of ...

Q. Learning objectives of gastrointestinal disease? • explain the disease conditions, causes, complications of the disorders of the gastrointestinal tract, • discuss the ef

Explain the classification of enzymes, Classification of Enzymes It has...

Classification of Enzymes It has been a long tradition  of giving enzymes names ending in 'ase'. The only major exception to this 'ase' is the proteolytic enzymes, whose names

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