Method for Calculating the Bending Angle of Puncture Needle in Preoperative Planning for Transjugular Intrahepatic Portal Systemic Shunt (TIPS)

Table 1

Coordinates of puncture points in chosen by interventional physician for each subject.

Subject number	IP	TP
1
2
3
4
5
6
7
8
9
10
11
12
13