| 摘要 |
An endoscopic hand instrument includes a tubular member having a throughbore extending between a first open end and a second open end, the throughbore including a first portion having a first inner diameter and a second portion having a second inner diameter, a collet member received within the throughbore, the collet member including at least two biasable arm members, the collet member being biased such that the two arm members extend radially outward into the first portion of the throughbore, the two arm members including an area defining an aperture, and a tip assembly having an engagement member, the engagement member being received between the two arm members and into the aperture, the tip assembly engaging the tubular member so as to force the two arm members into the second portion of the throughbore such that the two arm members are prevented from extending radially outward. |
