Patent ID: 7758514
Filing Date: 2010-07-20
Classification: A61B

Abstract:
1. A tissue sampling device, said tissue sampling device comprising: (a) a flexible catheter, said flexible catheter having a proximal end and a distal end; (b) a hub, said hub being substantially tubular and having a proximal end, a distal end, and an outer diameter, the outer diameter of said hub being greater at said distal end of said hub than at said proximal end of said hub, said hub being disposed entirely within said flexible catheter proximate to said distal end thereof; (c) a sampling needle, said sampling needle having a distal tip and a shoulder; and (d) a wire coupled to said sampling needle for moving said sampling needle between a first position wherein said distal tip of said sampling needle is disposed within said hub and a second position wherein said distal tip of said sampling needle extends distally beyond said distal end of said flexible catheter; (e) wherein said shoulder of said sampling needle is adapted to directly abut said proximal end of said hub to form a seal therewith when said sampling needle is placed in said second position.