Historical clue formulations

• What might go straight to the heart? — 2026-08-14
• Inner tube? — 2026-07-18
• Coronary insert — 2026-04-12
• It keeps a narrow passage passable — 2026-03-07
• Surgical tube — 2025-09-22
• Inner tube? — 2025-08-24
• Arterial insert — 2024-12-23
• Heart vessel support — 2024-09-18
• Blood vessel insert — 2024-07-24
• Artery opener — 2024-07-22
• Cardiologist's insert — 2024-03-06
• Cardiologist's tool — 2023-12-28
• Bit of equipment for an angioplasty — 2021-10-05
• Blockage unblocker — 2020-11-21
• Medical tube — 2020-08-23
• Cardiologist's tool — 2020-04-19
• It gets your blood flowing — 2019-12-29
• Insert for a blocked blood vessel — 2019-12-23
• Tool used in angioplasty — 2019-11-02
• Need for some bypass surgery — 2019-10-18
• Blood flow aid — 2019-06-02
• Hospital tube — 2019-05-19
• Tube used in heart surgery — 2019-03-05
• Surgical tube — 2019-01-27
• Blockage reliever — 2018-07-08
• It can get the blood flowing — 2017-10-28
• Vessel opener — 2017-07-28
• Hospital opening? — 2017-05-28
• Vessel opener — 2017-04-06
• Angioplasty device — 2017-02-24
• Surgeon's insertion — 2016-11-29
• Surgical tube — 2016-11-06
• Vessel opener — 2016-10-22
• Coronary ___ — 2016-06-19
• Widening agent in medicine — 2014-10-04
• Cardiologist's insert — 2014-08-13
• Artery implant — 2014-07-16
• Blocked vessel opener — 2014-01-09
• Surgically implanted tube — 2013-12-17
• Vessel opener — 2013-03-24
• It can get the blood flowing — 2012-11-04
• Canal-clearing tube — 2012-08-03
• Surgical aid — 2012-01-13
• Artery opener — 2011-09-11
• Artery implant — 2011-07-06
• Coronary ___ — 2011-05-20
• Surgical tube — 2011-05-15
• Surgical tube — 2010-08-19
• Arterial implant — 2010-08-01
• Arterial implant — 2009-07-15