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Handoscopy interwoven layered seal laparoscopic disk
专利权人:
Michael S. Cropper
发明人:
Michael S. Cropper,Paul T. Franer
申请号:
US11611215
公开号:
US08197404B2
申请日:
2006.12.15
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A laparoscopic disk assembly, which includes an interwoven gasket seal, either flat or conical, comprised of four gasket sections, forms a seal without anything inserted or in the presence of a laparoscopic instrument or surgeons hand, approximating an opening of a single through hole of a lip seal providing the same sealing as a lip seal. By breaking the seal through hole into multiple pieces, the direction and amount of strain applied to any section is less than the strain applied by the simple change in diameter. The layers form contact zones with the inserted probe or hand. The sum of the array of contact zones provides contact around the full diameter of the inserted tool or hand. Additionally, the hoop stress of the seal is reduced, thereby reducing the drag force on the instrument or the hand and wrist of the doctor.
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