Patent ID: 7842015

Claim:
Catheter for injecting a therapeutic or diagnostic agent into an organ ( 0 ), in particular a heart, the catheter comprising: a flexible exterior tube ( 12 ) having a proximal end ( 14 ) and a distal end ( 16 ), inside which a needle ( 32 ) is mounted to slide axially between retracted and deployed positions in which a tip ( 34 ) of said needle ( 32 ), adapted to be inserted into said organ (O), is withdrawn inside said exterior tube ( 12 ) and projects from said distal end ( 16 ) of said exterior tube ( 12 ), respectively, actuation means adapted to slide said needle ( 32 ) between said retracted and deployed positions, and means ( 50 ) for fixing said catheter to said organ ( 0 ), said needle ( 32 ) being decoupled from said fixing means so that said needle ( 32 ) is able to slide relative to said fixing means, at least in an unfolded position of said fixing means ( 50 ), which catheter is characterized in that said fixing means ( 50 ) comprise a suction cup ( 62 ) mounted so that it may be retracted into a lumen ( 18 ) of said exterior tube ( 12 ).