Terumo Cardiovascular Systems

By A2Hub Editorial. Published 2026-04-22. Last updated: 2026-04-22.

At a glance

Founded as Terumo Cardiovascular Systems: 1999, following Terumo Corporation's acquisition of 3M's cardiovascular business
Site lineage: Sarns (founded 1960s, Ann Arbor) → 3M (acquired 1982) → Terumo (acquired 1999)
Parent: Terumo Corporation (Tokyo Stock Exchange: 4543)
Global HQ: 6200 Jackson Road, Ann Arbor, MI 48103
Employees: 1,000+
Status: Operating as the global cardiovascular division of Terumo Corporation
Website: terumocv.com

The largest medical device employer in the Ann Arbor region

Terumo Cardiovascular Systems is the single largest medical device employer in the Ann Arbor region. The 6200 Jackson Road campus is the global headquarters of Terumo Corporation's cardiovascular division, which means decisions about heart-lung machines, perfusion products, and cardiac imaging used in operating rooms worldwide are made out of Ann Arbor. With more than 1,000 employees on site, Terumo Cardiovascular is the largest single concentrated medtech engineering and manufacturing employer in Washtenaw County.

For the Ann Arbor medtech cluster, Terumo is the largest single anchor by headcount. It is also a structural reason the region has the surgical-device, sterile-fill, and quality-systems engineering talent base that smaller medtech startups draw on. Where HistoSonics and Esperion Therapeutics represent the venture-backed and public-market layers of Ann Arbor medtech, Terumo represents the sustained large-employer layer that keeps the underlying engineering ecosystem populated.

Founding story: Sarns, 3M, Terumo

The Ann Arbor cardiovascular operation predates Terumo's ownership by nearly four decades. The site originated as part of Sarns, an Ann Arbor company founded in the 1960s by Dr. Richard Sarns and others to make cardiac perfusion equipment for open-heart surgery. Sarns' heart-lung machines became standard equipment in cardiac operating rooms across the United States. The Sarns name remains historically important to the Ann Arbor medical device community: the company was one of the earliest cases of an Ann Arbor medtech firm achieving global commercial impact.

3M acquired Sarns in 1982 and operated the business as 3M Health Care's cardiovascular division through the 1980s and 1990s, continuing to develop perfusion products from the Ann Arbor site. In 1999, Terumo Corporation acquired 3M's cardiovascular business, and the Ann Arbor operation became Terumo Cardiovascular Systems with global responsibility for the cardiovascular division. The 6200 Jackson Road campus has remained the global HQ for the division since.

That continuity matters. The current Terumo Cardiovascular operation is the same physical site, with much of the same engineering DNA, that Sarns and 3M ran for decades. Multi-generational Ann Arbor medical device families work there. Engineers who came up through Sarns or 3M Health Care now train the next cohort under Terumo's banner, and that institutional memory is one of the more valuable but rarely-discussed assets of the Ann Arbor medtech ecosystem.

What they build

Terumo Cardiovascular's product portfolio centers on equipment used during cardiac surgery and other cardiovascular procedures:

Heart-lung machines. Cardiopulmonary bypass systems used during open-heart surgery. The Sarns-lineage perfusion products remain a core franchise, with the System 1 platform and the CDI Blood Parameter Monitoring System among the long-running offerings. These are the machines that take over the patient's circulation while the surgeon operates on a stopped heart. The engineering tolerance for failure in these systems is essentially zero.

Perfusion accessories. Oxygenators, tubing sets, cannulae, and other consumables that surgical perfusionists use during open-heart procedures. This is the higher-volume, recurring-revenue side of the business and the area where the Ann Arbor manufacturing and quality systems infrastructure adds the most value.

Imaging and intra-operative monitoring. Cardiac imaging products and intra-operative monitoring systems used to support surgical decision-making.

Endovascular grafts. Through Terumo's broader cardiovascular portfolio, including the Vascutek brand acquired in 2002 and the Bolton Medical brand acquired in 2017, Terumo Cardiovascular is positioned in endovascular aortic grafts and surgical grafts. The graft business runs out of multiple Terumo sites globally; Ann Arbor is the global HQ that coordinates the cardiovascular division as a whole.

The Ann Arbor site combines engineering, regulatory, manufacturing operations, and global commercial functions for the cardiovascular division. It is one of the most vertically integrated medtech operations in the region.

Funding and growth

Terumo Cardiovascular is a subsidiary of Terumo Corporation, the Japanese medical device manufacturer listed on the Tokyo Stock Exchange (4543). Terumo Corporation reported global revenue in the $6B range in recent fiscal years, with the cardiovascular and vascular business as one of the company's larger segments alongside hospital products and blood and cell technologies.

The Ann Arbor site has expanded multiple times since the 1999 Terumo acquisition. Specific capex numbers tied to Ann Arbor expansions are not consistently disclosed, but the 6200 Jackson Road campus has been progressively built out to support manufacturing, engineering, and administrative functions for the global cardiovascular division. The site includes Class 8 cleanroom manufacturing, distribution, and product engineering capability under one roof.

Terumo Corporation's parent-level capital allocation has continued to favor the cardiovascular division through multiple acquisitions (Vascutek in 2002, Bolton Medical in 2017) and investments in Ann Arbor facilities. That sustained investment is the financial signal that the global HQ designation in Ann Arbor is structurally durable rather than legacy.

Ann Arbor footprint

Terumo Cardiovascular's main campus at 6200 Jackson Road sits west of Ann Arbor proper, off I-94 in the Jackson Road industrial corridor. The site houses engineering, manufacturing, regulatory, quality, and commercial functions for the global cardiovascular division.

Headcount at the site exceeds 1,000 employees, making Terumo Cardiovascular the largest single medical device employer in the Ann Arbor region. The combination of engineering depth, regulated-manufacturing experience, and quality systems infrastructure on the site is a major reason the Ann Arbor region has the medtech talent base it does.

The site is not downtown-walkable; commuting is suburban-corporate by car. Most Terumo Cardiovascular employees live across the broader Ann Arbor and Washtenaw County area, including Saline, Dexter, and the Ann Arbor neighborhoods west and south of downtown.

Why it matters for Ann Arbor tech

Terumo Cardiovascular's importance to the Ann Arbor medtech ecosystem is structural rather than narrative. The company does not announce $100M Series Bs or run a startup accelerator. What it does is much more important: it employs more than 1,000 people in regulated medical device engineering and manufacturing, year after year, decade after decade.

That sustained headcount is what allows the rest of the medtech ecosystem to function. When a startup like HistoSonics needs to hire a director of regulatory affairs with FDA Class III experience, that person almost certainly worked at Terumo or 3M-Sarns earlier in their career. When Esperion Therapeutics needs quality engineers to support commercial-stage operations, the local labor market has them in part because Terumo trained a generation of them. When U-M Engineering or U-M's biomedical engineering department graduates students who want to stay in Michigan, Terumo is one of the largest single employers that absorbs them.

The other through-line: the Sarns to 3M to Terumo continuity is one of the longer-running corporate lineages in Ann Arbor tech, predating Toyota's R&D arrival in 1973 by more than a decade. The Ann Arbor medtech sector did not start with HistoSonics. It started with Sarns building heart-lung machines for cardiac surgery in the 1960s.

Hiring and the engineering profile

Terumo Cardiovascular hires across mechanical, electrical, biomedical, materials, and software engineering for medical devices, plus regulatory affairs, quality engineering, supply chain, manufacturing operations, and commercial functions. The talent profile is regulated-industry specialist: engineers with FDA QSR experience, ISO 13485 quality systems expertise, and the patience to operate inside design controls.

Compensation is competitive for the medtech industry at similar scale. Total comp is steady-state corporate (defined-benefit-style stability, lower equity volatility than venture-backed tech, lower upside than coastal MedTech IPO companies). Work model is primarily on-site given the regulated-manufacturing nature of the work.

HistoSonics is the Plymouth-based, U-M-rooted focused ultrasound company that achieved unicorn status in 2024.
Esperion Therapeutics is the NASDAQ-listed Ann Arbor cardiometabolic biopharma headquartered in town.
Workit Health is the telehealth addiction treatment company representing the digital-first health layer of the Ann Arbor health ecosystem.
Ann Arbor medtech companies is the category hub.
Ann Arbor tech companies is the master directory.

FAQ

Where is Terumo Cardiovascular's headquarters? Terumo Cardiovascular Systems' global headquarters is at 6200 Jackson Road, Ann Arbor, MI 48103. The site is the global HQ for the cardiovascular division of Terumo Corporation, the Japanese medical device manufacturer.

How many people does Terumo Cardiovascular employ in Ann Arbor? More than 1,000 employees. Terumo Cardiovascular is the largest single medical device employer in the Ann Arbor region.

What is the history of the Ann Arbor site? The site originated as Sarns, an Ann Arbor company founded in the 1960s that made cardiac perfusion equipment. 3M acquired Sarns in 1982. Terumo Corporation acquired 3M's cardiovascular business in 1999, and the site has been the global headquarters of Terumo Cardiovascular Systems since.

What does Terumo Cardiovascular make? Heart-lung machines for open-heart surgery, perfusion accessories (oxygenators, tubing sets, cannulae), cardiac imaging and intra-operative monitoring systems, and endovascular grafts. The product portfolio supports cardiac and vascular surgical procedures globally.

Is Terumo Cardiovascular publicly traded? The parent, Terumo Corporation, is publicly traded on the Tokyo Stock Exchange under ticker 4543. Terumo Cardiovascular Systems operates as a subsidiary and is not separately listed.

Is Terumo Cardiovascular hiring? Yes. Open positions across engineering, regulatory, quality, manufacturing operations, supply chain, and commercial functions are posted at terumocv.com and on standard medical device job sites.

Why does Terumo's Ann Arbor presence matter to the broader tech ecosystem? Terumo Cardiovascular is the structural employment base for regulated medical device engineering talent in the region. Other Ann Arbor medtech companies (HistoSonics, Esperion, Akadeum, ONL Therapeutics, ArborMetrix) hire regulatory, quality, and manufacturing engineers who built their careers in part inside Terumo or its Sarns and 3M predecessors.

Terumo Cardiovascular: The 1,000-Employee Global HQ on Jackson Road