Abstract
A medical system including: an elongated guiding catheter having flexibility; an elongated puncture tool that is insertable into the guiding catheter, has a puncture needle at an distal portion, and includes a lumen extending from a proximal portion to the distal portion and a distal opening communicating with the lumen at the distal portion; a biasing tool that includes a movement portion movable for applying a biasing force toward a distal direction to a material passing through the lumen and a biasing portion that biases the movement portion; and a releasable stopper that is capable of fixing the movement portion at a predetermined position.
Full Text
What is claimed is:
A medical system including: an elongated guiding catheter having flexibility; an elongated puncture tool that is insertable into the guiding catheter, has a puncture needle at an distal portion, and includes a lumen extending from a proximal portion to the distal portion and a distal opening communicating with the lumen at the distal portion; a biasing tool that includes a movement portion movable for applying a biasing force toward a distal direction to a material passing through the lumen and a biasing portion that biases the movement portion; and a releasable stopper that is capable of fixing the movement portion at a predetermined position.
Timeline
Filed
03/26/2026Published
07/30/2026Granted
Not AvailableIPC Codes(3)
A61B 17/34:Trocars; Puncturing needles
A61B 17/00:Surgical instruments, devices or methods (takes precedence A61B 18/00; dental tools A61C 3/00; eye surgery A61F 9/007; ear surgery A61F 11/20)
A61B 90/00:Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups e.g. for luxation treatment or for protecting wound edges