BIX-A1068 Review: The Heart Model a CPR Course Actually Needs

A CPR course teaches a manoeuvre, but it explains a pump. The BIX-A1068 is the cheapest way to make that explanation physical: a natural-size heart, 15 × 8 × 9 cm, that separates into two halves on a plastic seat so a class can see the chambers and the great vessels from inside and outside. At US$15.62 it is priced as a teaching aid, not as equipment — which is exactly how it should be bought.

Quick facts

Item	Detail
Model	BIX-A1068
Category	Anatomical series / heart models
Format	Natural size, two parts, plastic seat
Dimensions	15 × 8 × 9 cm
Content	External cardiac anatomy and internal chamber structure
Typical use	Patient care courses, primary science, CPR and AED briefing
Listed price	US$15.62
Certification	ISO 9001 / 14001 / 45001 and CE documentation on request

What two parts buy you

A one-piece heart shows surface anatomy and nothing else. A two-part model opens along the plane a learner needs: atria and ventricles, the septum between them, the valve positions, and the direction in which blood leaves through the aorta and pulmonary trunk.

Three teaching moments become possible that a diagram cannot deliver:

• The septum as a wall. Students see why the right and left sides are separate circuits rather than one loop, which is the misconception that survives most school biology.
• Valve position in three dimensions. Aortic, pulmonary, mitral and tricuspid valves are located relative to each other, not listed in a row.
• Scale. A natural-size heart is 15 cm long. That number matters in chest compression teaching: 5–6 cm of compression is a third of the depth of the organ the trainee is trying to squeeze.

Inside a CPR or AED briefing

The model does a specific job in resuscitation teaching: it explains what the machine is trying to restart. Current basic life support guidance keeps the sequence simple — recognise arrest, call for help, start compressions, attach an AED as soon as it arrives — and treats high-quality compressions as the intervention with the largest effect on outcome [1]. Trainees accept that instruction more readily when they can see the organ and the position of the heart inside the thorax.

Three-dimensional physical models have a documented advantage over flat images for spatial understanding in anatomy teaching, with meta-analytic evidence favouring 3D visualisation [3]. In a two-hour lay course, the model is the difference between "the heart is here" and a learner who can point to where the sternum and the heart actually sit.

There is a second, quieter use. When a trainer explains a relative's cardiac diagnosis, a physical model carries the explanation further than words alone: low health literacy is associated with poorer comprehension of health information and worse outcomes [2], and a model is one of the few teaching aids that works without reading.

Natural size or enlarged? A short comparison

Question	Natural size, two parts (BIX-A1068)	Enlarged model (3× or 4×)
Shows real proportions	Yes — 15 cm	No, scaled up
Visible from the back of a lecture hall	Marginal	Strong
Pass-around durability	Good, small and light	Bulkier, heavier
Best for CPR depth teaching	Yes — true scale	Less intuitive
Best for large-group anatomy lectures	Adequate	Strong
Price band	Lowest	Higher
Typical buyer	First aid school, clinic, primary science	Medical school, cardiology department

The buying rule: natural size for anything that depends on real proportions — compression depth, hand position, patient explanation — and an enlarged model where visibility at distance is the constraint.

A 30-minute session built on it

1. 5 minutes — external orientation. Apex, base, auricles, ascending aorta, pulmonary trunk. Students point to each on the intact model.
2. 8 minutes — open it. Split the model; identify the four chambers, the septum and the valve positions.
3. 7 minutes — flow trace. Follow deoxygenated blood from vena cava to pulmonary artery, then oxygenated blood from pulmonary veins to aorta. Each student traces one circuit aloud.
4. 5 minutes — link to compressions. Place two fingers on the model's ventricles and relate the 5–6 cm compression depth to the size of the organ.
5. 5 minutes — retrieval. Model closed; students name three structures and one reason the left ventricle is thicker.

Where it stops

• It is not a dissection specimen. Colour and surface detail are didactic, not photorealistic.
• It is not a pathology model. Infarction, valve disease and congenital defects are separate products.
• It does not show the coronary arteries in clinical detail. For angiography teaching, use a dedicated coronary model.
• It is not a simulator. No beats, no ECG, no auscultation; it is an anatomy aid.

Procurement checklist

1. Confirm the split direction and seat. The two halves should separate cleanly and sit stable on the plastic base for demonstration.
2. Check the size before ordering a class set. 15 × 8 × 9 cm is compact — good for passing around, marginal for a hall.
3. Order one per 10–15 trainees. It is a demonstration model; more units mainly reduce waiting.
4. Ask for carton data with the quotation. Small models ship economically; confirm the per-carton quantity for budgeting.
5. Request one sample unit. Verify the painting of chambers and vessels against your course photographs.

FAQ

Q1. How many parts does the BIX-A1068 have?

Two. The heart separates into two halves and sits on a plastic seat, showing internal chamber structure and external anatomy.

Q2. What are the dimensions and price?

Natural size, 15 × 8 × 9 cm, listed at US$15.62. Volume pricing is quoted per order.

Q3. Is it suitable for a lay first aid course?

Yes. It is intended for patient care courses and primary science teaching, and it is the right scale for explaining compression depth and hand position.

Q4. Does it show coronary arteries and valves?

Chamber structure, septum and valve positions are represented. For detailed coronary anatomy, a specialised model is required.

Q5. What is the minimum order quantity?

MOQ is flexible and quoted per order. Email with quantity and destination for the current price list.

Q6. How do we request a quotation or a sample?

Email chinoncpr@adaanatomy.com with quantity, city and the course it supports; you will receive pricing, packing data and lead time.

References

1. Olasveengen TM, Mancini ME, Perkins GD, et al. Adult Basic Life Support: 2020 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations. Circulation. 2020;142(16_suppl_1):S41-S91. doi:10.1161/CIR.0000000000000892
2. Berkman ND, Sheridan SL, Donahue KE, et al. Low health literacy and health outcomes: an updated systematic review. Ann Intern Med. 2011;155(2):97-107. doi:10.7326/0003-4819-155-2-201107190-00005
3. Yammine K, Violato C. A meta-analysis of the educational effectiveness of three-dimensional visualization technologies in teaching anatomy. Anat Sci Educ. 2015;8(6):525-538. doi:10.1002/ase.1510

Contact

For the specification sheet, carton quantities and a course-size quotation: chinoncpr@adaanatomy.com. Production follows ISO 45001 management practice; CE documentation is available for EU procurement.