公开(公告)号：US5545142A

公开(公告)日：1996-08-13

申请号：US46587

申请日：1993-04-12

申请人： Randy R. Stephens ,  Michael S. Banik ,  Leslie R. Ashmore ,  C. Daniel Rowe ,  George E. Selecman

发明人： Randy R. Stephens ,  Michael S. Banik ,  Leslie R. Ashmore ,  C. Daniel Rowe ,  George E. Selecman

IPC分类号： A61B17/34 ,  A61M39/06 ,  A61M39/26

CPC分类号： A61B17/3417 ,  A61B17/3462 ,  A61M39/06 ,  A61B2017/3464 ,  A61M2039/0626 ,  A61M2039/0633 ,  A61M2039/0653 ,  A61M2039/0666 ,  A61M2039/0686

摘要： Trocar assembly devices are disclosed that include an improved elastomeric seal member to maintain sealing engagement during off-centering or radial motion of instruments extending therethrough. The seal members include an inner section and an outer section. The inner section has an opening formed therein to permit an elongate instrument to pass therethrough in sealing engagement therewith. In accordance with certain embodiments, a corrugated portion is formed in the outer section. In accordance with certain embodiments an annular floating ring separates the inner section from the outer section.

摘要翻译： 公开了套管针组装装置，其包括改进的弹性体密封构件，以在穿过其延伸的器械的偏心或径向运动期间保持密封接合。 密封构件包括内部部分和外部部分。 内部部分具有形成在其中的开口以允许细长器械与其密封接合而穿过其中。 根据某些实施例，波纹部分形成在外部部分中。 根据某些实施例，环形浮动环将内部部分与外部部分分离。

公开(公告)号：US5342315A

公开(公告)日：1994-08-30

申请号：US46089

申请日：1993-04-12

申请人： C. Daniel Rowe ,  Leslie R. Ashmore ,  Chad C. Carroll ,  Richard F. Schwemberger ,  Norman F. Schuler ,  John M. Collins

发明人： C. Daniel Rowe ,  Leslie R. Ashmore ,  Chad C. Carroll ,  Richard F. Schwemberger ,  Norman F. Schuler ,  John M. Collins

IPC分类号： A61B17/34 ,  A61M39/06 ,  A61M5/18

CPC分类号： A61B17/3462 ,  A61M39/06 ,  A61B2017/3464 ,  A61M2039/0626 ,  A61M2039/0633 ,  A61M2039/064 ,  A61M2039/0653 ,  A61M2039/0686

摘要： Trocar assembly embodiments are disclosed that include a trocar tube and a housing defining a chamber adjoining a proximal end portion of the trocar tube. An elastomeric seal member is positioned within the chamber for sealing the chamber as an elongate instrument passes through an opening formed in the seal member. A seal/protector assembly is positioned in the chamber proximally of the seal member in facing relationship to the seal member. The protector assembly includes at least two axially aligned protector members, each of which has an annular collar portion and at least one leaf portion formed integrally with the collar portion so as to form a living hinge portion. The leaf portions define an opening therethrough in axial alignment with the opening in the seal member. Insertion of an elongate instrument into contact with the leaf portions causes them to pivot distally increasing the size of the opening formed thereby permitting the instrument to pass therethrough and through the opening in the seal member without causing damage to the seal member.

摘要翻译： 公开了套管针组件实施例，其包括套管针管和限定与套管针管的近端部分相邻的腔室的壳体。 弹性体密封构件定位在腔室内，用于在细长器械穿过形成在密封构件中的开口时密封腔室。 密封/保护器组件以密封构件的相对关系定位在密封构件的近侧的腔室中。 保护器组件包括至少两个轴向对准的保护器构件，每个保护器构件具有环形套环部分和与套环部分一体形成的至少一个叶片部分，以便形成活动铰链部分。 叶片部分限定通过其与密封构件中的开口轴向对准的开口。 细长器械插入与叶片部分接触使得它们可以向远侧枢转地增大形成的开口的尺寸，从而允许器械通过并穿过密封构件中的开口，而不会损坏密封构件。