发明名称 OPTICAL TROCAR VISUALIZATION SYSTEM AND APPARATUS
摘要 <p>A seal assembly including a septum seal, a lower seal support, an upper seal support and a return spring is disclosed. The septum seal includes an orifice and a plurality of apertures. The lower seal support includes an engagement surface configured to engage a portion of the septum seal. The upper seal support includes a plurality of fingers, wherein each of the plurality of fingers is configured to extend through a corresponding aperture of the septum seal. The return spring includes a collar portion and a plurality of spokes extending radially outward from the collar portion. At least a portion of the return spring may be sandwiched between the lower seal support and the upper seal support. The plurality of spokes is configured to bias the seal assembly toward a radial center of a housing.</p>
申请公布号 CA2879636(A1) 申请公布日期 2014.03.03
申请号 CA20132879636 申请日期 2013.09.26
申请人 COVIDIEN LP 发明人 HOLSTEN, HENRY;SMITH, ROBERT;EVANS, CHRISTOPHER
分类号 A61B17/34;A61M39/06 主分类号 A61B17/34
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