Ingemar Lundquist

Ingemar Henry Lundquist (October 19, 1921 – February 25, 2007) was a Swedish inventor and mechanical engineer.^[1] He became an American citizen in 1950.

Ingemar Lundquist
Born	Ingemar Henry Lundquist (1921-10-19)October 19, 1921 Stockholm, Sweden
Died	February 25, 2007(2007-02-25) (aged 85) Carmel Valley, California, U.S.
Resting place	Mountain View Cemetery (Oakland, California) 37°50′07″N 122°14′13″W
Citizenship	American
Education	Stockholm Institute of Technology
Spouse	Mary Lundquist (until her death) Linda Lundquist
Children	Richard Lundquist Christian Lundquist
Engineering career
Discipline	Mechanical Engineering
Employer(s)	Torex, Inc., Ultimax, Inc., Vidamed, Inc.
Projects	Balloon Angioplasty, Somnoplasty, T.U.N.A.

Early life and education

Lundquist graduated from the Stockholm Institute of Technology in 1945 with a mechanical engineering degree.^[1][2][3] He migrated to the United States in 1948 and became an American citizen in 1950.^[1][3]

Career

He worked for various medical technology companies in the San Francisco Bay Area, including Advanced Cardiovascular Systems and E. P. Technologies.

Patents

Lundquist had hundreds of inventions,^[4] typically working in his garage or basement.^[1] He held more than a hundred patents.^[3] His inventions included over-the-wire balloon angioplasty,^[5] T.U.N.A.,^[6] and somnoplasty.^[7] He also worked on cardiac stem-cell therapy.^[3]