Material composition, weight and thermochemical properties of analysed biopsy forceps, polypectomy snares and haemostatic clips
| Forceps | Snares | Haemoclips | |
| Total weight (g) (range) | 57.08 (64.46–46.39) | 57.05 (64.58–52.92) | 71.29 (85.63–56.93) |
| Device weight (g) (range) | 45.82 (54.60–33.75) | 42.96 (47.46–40.28) | 54.60 (65.60–43.58) |
| Packaging weight (g) (range) | 11.31 (12.63–9.86) | 14.10 (17.12–11.8) | 16.69 (20.03–13.35) |
| Composition (%) | |||
| Polyethylenes | 32.00 (17–51) | 45.33 (36–50) | 53.50 (24–30) |
| Polypropylene | 19.33 (0–34) | 11.66 (0–35) | – |
| Acrylonitrile butadiene styrene | – | 28.00 (0–50) | 14.50 (23–53) |
| Stainless steel | 45.00 (38–59) | 14.33 (14–15) | 35.00 (13–53) |