Common surgical instruments: 

Scalpels, surgical scissors, surgical files, needle holders, medical suture needle, vascular clamps, and hooks. 

 Principles for delivery of surgical instruments: 

1. The speed is fast, the method is accurate, the instrument is correct, and the operator can adjust the direction after receiving it; 

2. The appropriate intensity, to remind the surgeon of the attention; 

3. Adjust the surgical instruments according to the surgical site in time; 

4. Recover the instruments around the incision in time to avoid accumulation and prevent ground loss. 

 The following figure shows the method of medical suture needle delivery during surgery: 

Figure 1: Schematic diagram of the medical suture needle transfer method

Figure 2: Schematic diagram of the method of transferring the needle of the medical suture needle