Clinical Trial to Evaluate the Efficacy and Safety of a Thoracic and Abdominal Endoscopic Surgical System

Inclusion Criteria:

* Age ≥ 18 and ≤ 80 years;
* Body Mass Height Index (BMI) 18\<BMI\<30kg/㎡;
* Patients identified by the investigator as suitable for general, gynaecological and thoracic surgery;
* Written informed consent.

Exclusion Criteria:

* Need for emergency surgery (e.g. gastric cancer, colorectal cancer combined with perforation, bleeding, obstruction, etc.);
* With other malignancies or a previous history of other malignancies.
* Preoperative imaging suggests that the tumour has distant metastases.
* The patient has a history of relevant surgery or previous history of other malignancy and is judged by the investigator to be unsuitable for enrolment.
* Severe bleeding tendencies or coagulopathic disorders.
* With long-term use of anticoagulant and anti-platelet drugs (anti-platelet aggregation drugs discontinued less than 1 week prior to surgery), history of bleeding disorders or hematopoietic or coagulation disorders.
* Significant immunodeficiency due to underlying illness (e.g. HIV/AIDS) and/or medication (e.g. systemic corticosteroids).
* Women who are pregnant or nursing an infant.
* With severe allergies and suspected or established alcohol, drug or substance addiction.
* Other conditions which, in the opinion of the investigator, make participation in this trial inappropriate.