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Development of novel rectal/uterine clamping device
Shoichiro Urabe1,2, Taishi Hata1, Eiji Kobayashi3
1Department of Next Generation Endoscopic Intervention (Project ENGINE), Osaka University Graduate School of Medicine, Suite 0802, BioSystems Bldg., 1-3, Yamadaoka, Osaka, 565-0871, Osaka, Japan.
Scientific Reports
|October 3, 2024
Summary
A novel laparoscopic clamping device offers uniform occlusion without conventional pinch structures. This new parallel clamping device demonstrated superior performance in preclinical evaluations compared to traditional pinch-type clampers.
Area of Science:
- Surgical Devices
- Minimally Invasive Surgery
- Biomedical Engineering
Background:
- Conventional pinch-type clampers in laparoscopic surgery can have limitations in uniform occlusion.
- Developing novel surgical tools is crucial for improving procedural safety and efficacy.
Purpose of the Study:
- To evaluate the performance of a newly developed parallel clamping device.
- To compare the novel clamper against a conventional pinch-type clamper in a preclinical setting.
Main Methods:
- A novel parallel clamping device and a conventional pinch-type clamper were tested on resected porcine stomachs.
- Qualitative assessment using microfocus computed tomography evaluated clamping site integrity under varying intra-gastric pressures (0-15 mmHg).
- Quantitative assessment measured bursting pressure via continuous air insufflation to evaluate leakage.
Main Results:
- The novel clamper maintained a complete seal without gaps, even under increased intra-luminal pressure, unlike the pinch-type clamper.
- The novel clamping device exhibited a significantly higher bursting pressure (46.1 mmHg) compared to the pinch-type clamper (13.6 mmHg), indicating superior resistance to air leakage (P < 0.01).
Conclusions:
- The novel parallel clamping device demonstrates superior performance and sealing capability compared to conventional pinch-type clampers in preclinical evaluations.
- The developed clamping device shows promise for widespread adoption in laparoscopic surgery, with ongoing efforts towards commercialization.
