Verified Nov 2026
Electronics & Software
·
Pleasanton, California
·
Since 1976
Thoratec was a medical device manufacturer headquartered in Pleasanton, California, founded in 1976. It developed mechanical circulatory support devices, including ventricular assist devices, for patients with advanced heart failure, serving heart transplant centers, surgeons, and hospitals worldwide. The company employed roughly 200 to 500 people, with an estimated revenue band of $250 million to $500 million. Its ventricular assist device line was among its most notable products. Thoratec was acquired by St. Jude Medical in 2015 and is now part of Abbott.
Thoratec, now a part of St. Jude Medical at a glance
Revenue
$250-500M
Est. band
Employees
200-500
Founded
1976
Headquarters
Pleasanton, California
Industries
Automotive
Electric Vehicles
Medical
Industrial Equipment
Overview
Thoratec was a medical device manufacturer headquartered in Pleasanton, California, founded in 1976. It developed mechanical circulatory support devices, including ventricular assist devices, for patients with advanced heart failure, serving heart transplant centers, surgeons, and hospitals worldwide. The company employed roughly 200 to 500 people, with an estimated revenue band of $250 million to $500 million. Its ventricular assist device line was among its most notable products. Thoratec was acquired by St. Jude Medical in 2015 and is now part of Abbott.
At a glance
Attribute | Detail |
|---|---|
Founded | 1976 |
Headquarters | Pleasanton, California |
Employees | 200-500 |
Revenue | $250-500M (estimated) |
Primary capability | Electronics & Software |
What Thoratec, now a part of St. Jude Medical makes
The company's product line included ventricular assist devices such as the HeartMate II and HeartMate III, along with acute circulatory support systems and devices for pediatric patients.
Latest developments
2026-11-05 — onmedic news: ‘Go-shop’ lapses without new rival for St. Jude’s $3B Thoratec buy (blogspot.com)
2026-11-05 — onmedic news: US anti-trust regulators clear St. Jude’s Thoratec buy (blogspot.com)
2026-10-29 — Thoratec (wikipedia.org)
2026-10-08 — onmedic news: St. Jude floats $2.6b for Thoratec buy (blogspot.com)
2026-02-04 — RAMPART Appoints Former Thoratec CEO Gary Burbach as Chairman of the Board - Rampart (rampart.com)
Facilities
Thoratec, now a part of St. Jude Medical is headquartered in Pleasanton, California. Public sources also reference these locations:
Pleasanton, California — medicaldesignandoutsourcing.com
Burlington, Massachusetts — medicaldesignandoutsourcing.com
Company details
Thoratec was privately held before its acquisition and has a reported legacy of more than 20,000 implanted devices. Thoratec, now a part of St. Jude Medical was founded in 1976, has an estimated 200-500 employees, and is headquartered in Pleasanton, California.
Frequently asked questions
What does Thoratec, now a part of St. Jude Medical make?
Thoratec was a medical device manufacturer headquartered in Pleasanton, California, founded in 1976. It developed mechanical circulatory support devices, including ventricular assist devices, for patients with advanced heart failure, serving heart transplant centers, surgeons, and hospitals worldwide. The company employed roughly 200 to 500 people, with an estimated revenue band of $250 million to $500 million. Its ventricular assist device line was among its most notable products. Thoratec was acquired by St. Jude Medical in 2015 and is now part of Abbott.
Where is Thoratec, now a part of St. Jude Medical headquartered?
Thoratec, now a part of St. Jude Medical is headquartered in Pleasanton, California (6101 Stoneridge Drive, Pleasanton, California, 94588).
When was Thoratec, now a part of St. Jude Medical founded?
Thoratec, now a part of St. Jude Medical was founded in 1976.
How big is Thoratec, now a part of St. Jude Medical?
Thoratec, now a part of St. Jude Medical has an estimated 200-500 employees, with revenue in the $250-500M range (estimated).
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Last verified Nov 2026. Is this your company? Request a correction.
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