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1. 发明授权

US5199417A Endoscope having a deflectable distal section and a semi-rigid proximal section 失效
标题翻译：内窥镜具有可偏转的远侧部分和半刚性近端部分
公开(公告)号：US5199417A
公开(公告)日：1993-04-06
申请号：US632053
申请日：1990-12-21
申请人： Richard P. Muller , Raymond Ainger, III , Eugene P. Podbielski
发明人： Richard P. Muller , Raymond Ainger, III , Eugene P. Podbielski
IPC分类号： A61B1/307
CPC分类号： A61B1/307 , A61B1/0011 , A61B1/00167 , A61B1/07 , Y10S600/92
摘要： An endoscope having an elongated shaft which terminates in a deflectable distal tip is shown. The elongated shaft includes a first elongated sheath tube having a deflectable distal section. The deflectable distal section terminates in a distal tip having a triangular shaped cross-sectional area. The elongated shaft also includes a second semi-rigid elongated tube which is shorter in length than the first elongated sheath tube. The difference in length enables the deflectable distal section to extend beyond the end of the second semi-rigid elongated sheath tube and to be deflectable. The second semi-rigid elongated sheath tube encloses the proximal section of the first elongated sheath tube. The second semi-rigid elongated sheath tube has a generally rounded cross-sectional area which is slightly greater than that of the cross-sectional area of the first elongated sheath tube which enables the distal end of the second semi-rigid elongated sheath tube to enclose and pass therethrough the first elongated sheath tube. A method for performing a procedure in a cavity or passageway is also shown. A method for casting a housing around an endoscope frame is shown. An image means for an instrument having a rod-like image transferring system which is rigidly attached at a selected location is shown.
摘要翻译：示出了具有终止于可偏转的远侧末端的细长轴的内窥镜。细长轴包括具有可偏转远端部分的第一细长护套管。可偏转的远侧部分终止于具有三角形横截面积的远侧末端。细长轴还包括长度短于第一细长护套管的第二半刚性细长管。长度差使得可偏转的远侧部分延伸超过第二半刚性细长护套管的端部并且可偏转。第二半刚性细长护套管包围第一细长护套管的近端部分。第二半刚性细长护套管具有大致圆形的横截面积，其略大于第一细长护套管的横截面积的横截面面积，其能够使第二半刚性细长护套管的远端包围并通过其中的第一细长护套管。还示出了在空腔或通道中执行过程的方法。示出了围绕内窥镜框架铸造壳体的方法。示出了具有刚性地附接在选定位置的杆状图像传送系统的仪器的图像装置。

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