Ingemar Lundquist

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Ingemar Henry Lundquist
Ingemar Henry Lundquist

(1921-10-19)October 19, 1921
DiedFebruary 25, 2007(2007-02-25) (aged 85)
Resting placeMountain View Cemetery (Oakland, California)
37°50′07″N 122°14′13″W
CitizenshipSwedish and American
EducationStockholm Institute of Technology
ChildrenRichard, Cristian
Engineering career
DisciplineMechanical Engineering
Employer(s)Torex, Inc., Ultimax, Inc., Vidamed, Inc.
ProjectsBalloon Angioplasty, Somnoplasty, T.U.N.A.

Ingemar Henry Lundquist (born in Stockholm, Sweden, October 19, 1921, died in Carmel Valley Village, California, February 25, 2007) was a prolific inventor and mechanical engineer.[1]

Early life and education[edit]

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]


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


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]


  1. ^ a b c d Kucklick, Theodore (2012). The Medical Device R&D Handbook, Second Edition [Hardcover]. CRC Press. p. 399. ISBN 978-1-4398-1189-4.
  2. ^ "Biography, Ingemar Henry Lundquist". Memorial Solutions. Retrieved July 8, 2013.
  3. ^ a b c d "Ingemar Henry Lundquist". Monterey Herald (memorial). March 10, 2007.
  4. ^ "Ingemar H. Lundquist inventor". Patent Buddy. Retrieved July 8, 2013.
  5. ^ "System for filling and inflating and deflating a vascular dilating cathether assembly". Retrieved July 8, 2013.
  6. ^ "US Patent No: 5,807,309 Transurethral needle ablation device and method for the treatment of the prostate". Patent Buddy. Retrieved July 8, 2013.
  7. ^ "Steerable medical probe with stylets US 5409453 A". Google. Retrieved July 8, 2013.

External links[edit]

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