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

Define management of canal blockage canal calcification, Define Management ...

Define Management of Canal Blockage Canal Calcification Diamond coated instrument rt 1 designed for better visibility and cutting efficiency a) Very powerful for efficient

Mechanism of regeneration, MECHANISM OF REGENERATION - T.H. morgan reco...

MECHANISM OF REGENERATION - T.H. morgan recognised 2 primary mechanisms - M o r ph o l axis Epim orphosis 1. Production of enti

Explain barrier techniques - personal protective equipment, Q. Explain Barr...

Q. Explain Barrier Techniques - Personal Protective Equipment? The use of personal protective equipment (PPE) - clothing, masks, eyewear, and gloves - is part of routine dental

State the term - molybdenum, State the term - Molybdenum   Molybdenum i...

State the term - Molybdenum   Molybdenum is intimately related to nitrogen metabolism of plants. It is part of the nitrate reductase system which helps to utilise nitrate for n

What is the difference between rna and dna, Q. Concerning the nitrogen- con...

Q. Concerning the nitrogen- containing bases that participate in nucleotides, what is the difference between RNA and DNA? In DNA nucleotides can be formed of thymine (T), adeni

Heat-shock response, Heat-shock Response When growing plantlets or tis...

Heat-shock Response When growing plantlets or tissues of plants are shifted to 42°C and above, the synthesis of normal proteins rapidly declines and instead a set of new prote

Natural selection and genetic drift, Tell me which statement belongs to eit...

Tell me which statement belongs to either natural selection, genetic drift, or gene flow Can you tell me if I am correct? -Consistently causes a population to become better adapted

Explain ganciclovir, Ganciclovir  (Cytovene) IV ganciclovir is approved...

Ganciclovir  (Cytovene) IV ganciclovir is approved for both induction and maintenance treatment of cytomegalovirus (CMV) retinitis in immunocompromised patients and for prevent

Photosynthesis rate varies according to the photic energy, Photosynthesis r...

Photosynthesis rate varies according to the photic energy intensity. Do the similar occur in aerobic respiration? What happens to the glucose balance as a result of these variation

Tolerance range, Maximum and minimum range of an animal with the factors of...

Maximum and minimum range of an animal with the factors of Ph Salinity Pressure Relative human

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