Problems during use of the "Scissor-Tip-Separator." | Size | Occurred N (%) | Did not occur N (%) | Remarks |
---|---|---|---|---|
1. The scissors' sharp end penetrated the "Scissor-Tip-Separator" tip hole. | Large | 0 | 450 (100) | |
Medium | 0 | 450 (100) | ||
2. The sharp end of the scissors penetrated the back of the "Scissor-Tip-Separator." | Large | 0 | 450 (100) | |
Medium | 0 | 450 (100) | ||
3. The scissor shank was loose and released itself from the locking handle before unlocking. | Large | 2 (0.4) | 448 (99.6) | Set 10, day 45 Set 4, day 45 |
Medium | 1 (0.2) | 450 (99.8) | Set 9, day 45 | |
4. The scissor shank was difficult to release from the locking handle | Large | 0 | 450 (100) | |
Medium | 0 | 450 (100) | ||
5. The scissor tip slipped out of the safeguard because the rectangular box in the middle was too wide. | Large | 0 | 450 (100) | |
Medium | 0 | 450 (100) | ||
6. Water was contained in the V grooves and at the safeguard | Large | 0 | 450 (100) | |
Medium | 0 | 450 (100) | ||
7. Indicators inserted between the scissors and the "Scissor-Tip-Separator" did not change color or turn black, or the black color did not reach the acceptance zone. | Large | 0 | 450 (100) | |
Medium | 0 | 450 (100) | ||
8. The scissor blades were deformed or damaged upon release from the "Scissor-Tip-Separator." | Large | 0 | 450 (100) | |
Medium | 0 | 450 (100) | ||
9. The "Scissor-Tip-Separator" was broken or adhered to the scissors or exhibited changes in physical characteristics. | Large | 2 (0.4) | 448 (99.6) | Set 10, day 45 Set 4, day 45 |
Medium | 1 (0.2) | 450 (99.8) | Set 9, day 45 |