{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/132979"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/132979","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"Design and applicability of a mechanical impedance sensor for vein penetration detection","abstract":"Intravenous needle insertion is typically conducted manually, with needles guided into vessels by feel while looking for a brief flash of blood. This process is imprecise and leads to mispositioned needles, multiple reinsertion attempts, increased procedure time and higher costs for the hospital. We present a method for indicating that the needle has reached the vein by measuring the change in mechanical impedance of the needle as it passes through different tissue layers. Testing in a phantom indicated that this has the potential to identify transitions through tissue boundaries.","abstract_html":"Intravenous needle insertion is typically conducted manually, with needles guided into vessels by feel while looking for a brief flash of blood. This process is imprecise and leads to mispositioned needles, multiple reinsertion attempts, increased procedure time and higher costs for the hospital. We present a method for indicating that the needle has reached the vein by measuring the change in mechanical impedance of the needle as it passes through different tissue layers. Testing in a phantom indicated that this has the potential to identify transitions through tissue boundaries.","abstract_has_math":false,"creators":["Grown-Haeberli, Serena (Serena C.)","Montague-Alamin, Healey.","Slocum, Alexander H.","Hanumara, Nevan Clancy.","Ramirez, Aaron Eduardo.","Connor, Jay.","Hom, Gim Poy.","Pott, Philipp H.","Stewart, Kent K."],"institution":"Massachusetts Institute of Technology","degree_name":"Bachelor","degree_level":null,"degree_discipline":null,"degree_department":"Massachusetts Institute of Technology. Department of Mechanical Engineering","school":null,"contributors":[],"advisors":["Alexander Slocum."],"committee_chairs":[],"committee_members":[],"year":2020,"date_issued":"2020","date_published":"2020","updated_at":"2026-07-22T22:21:34Z","subjects":["Mechanical Engineering."],"languages":["eng"],"rights":["MIT theses may be protected by copyright. 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Thesis also published in: Serena Grown-Haeberli, Healey Montague-Alamin, Alexander Slocum, Nevan Hanumara, Aaron Ramirez, Jay Connor, Gim Hom, Peter Pott and Kent Stewart. \"Design and Applicability of a Mechanical Impedance Sensor for Vein Penetration Detection.\" 2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), 2020, pages 4016-4019, doi: 10.1109/EMBC44109.2020.9175501.","Includes bibliographical references."]},{"key":"dc:description.abstract","label":"Abstract","values":["Intravenous needle insertion is typically conducted manually, with needles guided into vessels by feel while looking for a brief flash of blood. This process is imprecise and leads to mispositioned needles, multiple reinsertion attempts, increased procedure time and higher costs for the hospital. We present a method for indicating that the needle has reached the vein by measuring the change in mechanical impedance of the needle as it passes through different tissue layers. Testing in a phantom indicated that this has the potential to identify transitions through tissue boundaries."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["S.B."]},{"key":"dc:title","label":"Title","values":["Design and applicability of a mechanical impedance sensor for vein penetration detection"]}]}],"canonical_facts":{"dc:contributor.advisor":["Alexander Slocum."],"dc:contributor.department":["Massachusetts Institute of Technology. Department of Mechanical Engineering","MechE"],"dc:contributor.other":["Massachusetts Institute of Technology. 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Thesis also published in: Serena Grown-Haeberli, Healey Montague-Alamin, Alexander Slocum, Nevan Hanumara, Aaron Ramirez, Jay Connor, Gim Hom, Peter Pott and Kent Stewart. \"Design and Applicability of a Mechanical Impedance Sensor for Vein Penetration Detection.\" 2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), 2020, pages 4016-4019, doi: 10.1109/EMBC44109.2020.9175501.","Includes bibliographical references."],"dc:description.abstract":["Intravenous needle insertion is typically conducted manually, with needles guided into vessels by feel while looking for a brief flash of blood. This process is imprecise and leads to mispositioned needles, multiple reinsertion attempts, increased procedure time and higher costs for the hospital. We present a method for indicating that the needle has reached the vein by measuring the change in mechanical impedance of the needle as it passes through different tissue layers. 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