It is used when puncturing the abdominal cavity during laparoscopic surgery, delivering gas to the abdominal cavity, and establishing a passage for the endoscope and surgical instruments to enter and exit the abdominal cavity from the outside.
Specification：
| No. | Ref No. | Description |
| 1 | NPVS-100-1-5 | Optical, 5*100mm |
| 2 | NPVS-100-1-10 | Optical, 10*100mm |
| 3 | NPVS-100-1-12 | Optical, 12*100mm |
| 4 | NPVS-100-2-B | Optical, Length-100mm (1 Trocar 10mm + 1 Cannula 10mm) |
| 5 | NPVS-100-3-A | Optical, Length-100mm (1 Trocar 5mm + 1 Trocar 10mm + 1 cannula 10mm) |
| 6 | NPVS-100-4-B | Optical, Length-100mm (1 Trocar 5mm + 1 Trocar 10mm + 1 Trocar 12mm + 1 Cannula 5mm) |
| 7 | NPVS-100-4-C | Optical, Length-100mm (1 Trocar 5mm + 1 Cannula 5mm + 1 Trocar 12mm + 1 cannula 12mm) |
Application:
| Gynecology | Hysterectomy, uterine fibroids enucleation, ovarian cystectomy, ectopic pregnancy surgery, fallopian tube surgery, infertility exploration, pelvic dissection. |
| Hepatobiliary Surgery | Cholecystectomy, choledocholithotomy, liver resection, fenestration and drainage of liver cysts, drainage of liver abscess, and biliary and enteral drainage. |
| Urology | Nephrectomy, adrenalectomy, ureterectomy, etc. |
| Gastrointestinal Surgery | Subtotal gastrectomy, appendectomy, ulcer perforation repair, intestinal adhesion lysis, colorectal tumor resection. |
| Thoracic Surgery | Lobectomy, esophageal cancer resection, etc. |
| General Surgery | Hernia repair. |