Development and Application of a New Balloon Catheter for Intraairway Hemostasis

Exclusion Criteria

• •Patients and their family members have no subjective treatment intention;Patients fail to cooperate or sign preoperative informed consent;
• •The obvious effect of balloon catheter therapy is not ideal;
• •Severe arrhythmia, acute myocardial ischemia;
• •blood pressure is not effectively controlled (diastolic blood pressure ≥95mmHg or systolic blood pressure ≥150mmHg);
• •Severe coagulopathy;
• •Severe organ insufficiency (except respiratory insufficiency);
• •Allergic to narcotic drugs;
• •Pregnant women, those who are breast-feeding or trying to conceive;
• •Patients who do not wish to sign informed consent;
• •Patients who failed to follow up;
• •Other patients deemed unsuitable for the study by the investigator.