Patent ID: 11896259
Assignee: TERUMO KABUSHIKI KAISHA
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A medical device, the medical device comprising:
an outer tubular member made from one or more rigid materials having a first bend element and a second bend element, the second bend element being proximal to the first bend element in a natural state;
a drive shaft and a rotatable treatment member configured to be accommodated in the outer tubular member,
the treatment member on a distal end of the drive shaft, the treatment member configured to rotate and grind a substance inside a body lumen, the treatment member including a distal-most end portion, a proximal end portion, and an intermediate portion positioned axially between the distal-most end portion and the proximal end portion, and wherein the intermediate portion tapers toward the distal-most end portion of the treatment member from a proximal-most end of the intermediate portion to a distal-most end of the intermediate portion, and wherein the distal-most end portion, the proximal end portion, and the intermediate portion are configured to be exposed distally beyond a distal end of the outer tubular member and configured to grind the substance inside the body lumen, and at least a portion of the distal-most end portion and at least a portion of the intermediate portion includes a coating configured to help facilitate the grinding of the substance inside the body lumen; and
the treatment member including at least one window that communicates with a lumen of the outer tubular member, and wherein the lumen of the outer tubular member is in communication with an aspiration tube configured to be connected to an aspiration source.