Guiding catheter的用法和样例：
例句
- Inject that through the guide catheter down the bypass graft to try to open up microcirculation as much as possible.
我们将这些药物通过导引导管注入到冠状血管内，最大程度的打开微循环。 - We conclude that a ureteral catheter can be placed into the upper collecting system by flexi-ble cystoscopy without a preceding guide wire in most patients.
结论是大多数病患可以经由软式膀胱镜把输尿管导管置放至上泌尿道，而不必事先使用一条引导管。
