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    Cannula has lip seal movingly coupled to proximal section, to facilitate relative movement of instrument shaft between seal and proximal section and to maintain sealing engagement between shaft and proximal portion


    Bonadio, Frank and Vaugh, Trevor, ATROPOS LTD (2007) Cannula has lip seal movingly coupled to proximal section, to facilitate relative movement of instrument shaft between seal and proximal section and to maintain sealing engagement between shaft and proximal portion. US2007004968-A1.

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    Abstract

    The cannula (1) has an instrument insertion section (3) and a tube (2) with an access channel (7) for extension of an instrument. A lip seal (4) movingly couples to a proximal section to engage with an instrument shaft (5). The seal facilitates a lateral movement of the instrument, and maintains the sealing engagement between the seal and the instrument shaft. A coupling portion made of gelatinous elastomeric material with plasticizer consisting of naturally derived oils, synthetic oils and liquid oligomers, movingly couples the seal and the proximal section.

    Item Type: Patent
    Keywords: Cannula; lip seal; proximal section; instrument shaft; sealing engagement;
    Academic Unit: Faculty of Social Sciences > Design Innovation
    Item ID: 6716
    Identification Number: US2007004968-A1
    Depositing User: Trevor Vaugh
    Date Deposited: 06 Jan 2016 12:13
    URI:

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