US 12,471,864 B2
Diagnostic method, treatment method and medical system
Yuya Otake, Fujinomiya (JP); Haruhiko Takahashi, Tokyo (JP); Haruhiko Kamijo, Hadano (JP); and Tetsuya Fukuoka, Hadano (JP)
Assigned to TERUMO KABUSHIKI KAISHA, Tokyo (JP)
Filed by TERUMO KABUSHIKI KAISHA, Tokyo (JP)
Filed on Feb. 1, 2019, as Appl. No. 16/265,179.
Claims priority of application No. 2018-016840 (JP), filed on Feb. 1, 2018.
Prior Publication US 2019/0231291 A1, Aug. 1, 2019
Int. Cl. A61B 6/50 (2024.01); A61B 6/00 (2024.01); A61B 6/03 (2006.01); A61M 25/10 (2013.01)
CPC A61B 6/504 (2013.01) [A61B 6/032 (2013.01); A61B 6/481 (2013.01); A61B 6/5211 (2013.01); A61M 25/10 (2013.01); A61M 2025/1045 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A diagnostic method for diagnosing which of plural lesion areas in a plurality of bifurcated lumens in a body of a patient should be treated first and which of the plural lesion areas in the plurality of bifurcated lumens in the body of the patient should be treated second, the plurality of bifurcated lumens being connected to a main lumen via a bifurcated portion, the method comprising:
acquiring information about the patient;
identifying one or more lesion areas present in each of the bifurcated lumens using the acquired information, the one or more lesion areas present in each of the bifurcated lumens being distal of the bifurcated portion;
acquiring data of first comparative information about one of the one or more lesion areas and data of second comparative information about the one of the one or more lesion areas, and acquiring data of the first comparative information about an other one of the one or more lesion areas and data of the second comparative information about the other one of the one or more lesion areas so that the data of the first and second comparative information about the one of the one or more lesion areas can be compared to the data of the first and second comparative information about the other one of the one or more lesion areas respectively to determine whether the one of the one or more lesion areas or the other one of the one or more lesion areas should be treated first via a radial artery of the patient, the first comparative information and the second comparative information each having a respective priority, the first comparative information and the second comparative information each having at least two associated criterion, and wherein the first comparative information about the one of the one or more lesion areas and the first comparative information about the other one of the one or more lesion areas includes positions of the one of the one or more lesion areas and the other one of the one or more lesion areas, and the positions of the one of the one or more lesion areas and the other one of the one or more lesion areas having a difference of at least 40 mm;
determining which of the one of the one or more lesion areas and the other one of the one or more lesion areas should be treated first using the priority and a selected one of the at least two associated criterion by advancing a guiding catheter with an inner catheter to the bifurcated portion without being beyond the bifurcation portion with the one of the one or more lesion areas and the other one of the one or more lesion areas being beyond the bifurcation portion;
the determining of which of the one of the one or more lesion areas and the other one of the one or more lesion areas should be treated first comprising: i) determining which of the first and second comparative information has a higher priority; and ii) comparing the data of the higher priority comparative information about the one of the one or more lesion areas and the other one of the one or more lesion areas according to the criterion selected to determine which of the one of the one or more lesion areas and the other one of the one or more lesion areas satisfies the criterion selected;
determining that the guiding catheter and the inner catheter are to be advanced along a single guidewire beyond the bifurcation portion into the one of the one or more lesion areas and the other of the one of the one or more lesion areas that is determined to be treated first, the one of the one or more lesion areas and the other of the one of the one or more lesion areas being beyond the bifurcation portion; and
advancing the guiding catheter and the inner catheter beyond the bifurcation portion along the single guidewire to a different location after the single guidewire has been retracted to a position proximal of the bifurcation portion, the different location being into an other one of the one or more lesion areas and the other of the one of the one or more lesion areas after the one of the one or more lesion areas and the other of the one of the one or more lesion areas that is determined to be treated first has been treated.