science

Sternal saw

Sternal saw is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Sternal saw rather than just read about it. In short: A sternal saw is a bone cutter used to perform median sternotomy, opening the patient's chest by splitting the breastbone, or sternum. It is a reciprocating blade saw that resembles a jigsaw in appearance.

Key takeaways

Sternal saw belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Sternal saw to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Sternal saw from memory before moving on to harder problems.

Reference excerpt

A sternal saw is a bone cutter used to perform median sternotomy, opening the patient's chest by splitting the breastbone, or sternum. It is a reciprocating blade saw that resembles a jigsaw in appearance. It was invented and introduced by Dr. Edward P. ("Ted") Diethrich in 1963 (see picture of the device in the following external link: [1]).

See also Instruments used in general surgery

References

External links "Ross Me, Baby!". Archived from the original on July 16, 2011. Photograph of Sternal Saw in Use from a First Person Account of a Ross Procedure Performed on an Adult Male, with Photographs Showing Pre-op, Surgery, Post-op, and Recovery

Worked examples

Example 1 — a first encounter with Sternal saw

Start with the simplest possible case. Write down what Sternal saw claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Sternal saw before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Sternal saw ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Sternal saw

In research: Sternal saw appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Sternal saw in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Sternal saw is common in secondary-school and first-year university syllabi. It links to neighbouring topics Medical equipment stubs, Medical saws, Surgical instruments, so understanding it makes those chapters shorter.
In everyday life: Look for Sternal saw outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Sternal saw in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Sternal saw means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Sternal saw out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Sternal saw in simple terms?

Why does Sternal saw matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Sternal saw?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Sternal saw.