Patent ID: 7248032
Filing Date: 2007-07-24
Classification: A61B

Abstract:
1. A low capacitance measurement probe comprising: a proximate end and a distal end of said probe; a tip on said distal end of said probe for injecting said probe into tissue; an outer conductor forming an outer wall having an exterior and an interior; a non-conductive spacer forming a first wall having an exterior and an interior, said non-conductive spacer coupled to said interior of said outer conductor; a conductive layer forming a second wall having an exterior and an interior, said conductive layer coupled to said interior of said first wall; an insulating layer forming a third wall having an exterior and an interior, said insulating layer coupled to said interior of said second wall; an inner conductor forming an inner wall having an exterior and an interior, said inner conductor coupled to said interior of said third wall; and a button of said inner conductor in said tip of said probe wherein said button is an area of said inner conductor that is exposed in said tip having an increased surface area to contact tissue.