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    • 5. 发明授权
    • Surgical resecting tool
    • 手术切除工具
    • US5529580A
    • 1996-06-25
    • US237832
    • 1994-05-04
    • Hiroyuki KusunokiKoji ShimomuraTakeshi YokoiShozo ShibuyaMototsugu OgawaTakeaki NakamuraTadao Hagino
    • Hiroyuki KusunokiKoji ShimomuraTakeshi YokoiShozo ShibuyaMototsugu OgawaTakeaki NakamuraTadao Hagino
    • A61B17/28A61B17/32
    • A61B17/32002A61B2017/2904
    • A surgical resecting tool (1) whereby a cartilage, cartilage knob or tumor within a body cavity, for example, such articulation cavity as of a knee is resected from outside the body cavity without being incised and is taken out of the body cavity is provided with a rigid outer tube (4) removably provided in the front part of a body part (2) which is also a holding part and has a rotary power source 28. The outer tube (4) is provided with an opening (7) near the front end part and with a curved part 9 in the rear of the opening (7). The outer tube 4 is provided with a cutting part (13) in the front end part and is removably connected in the rear end part to the rotary power source (28) to resect a living body tissue by rotating and driving the cutting part (13). An inner tube (6) having a flexible part (12) at least in the position corresponding to the above mentioned curved part (9 ) is inserted through the outer tube (4).
    • 提供了一种手术切除工具(1),其中提供体腔内的软骨,软骨柄或肿瘤,例如膝关节的这种关节腔,从体腔外部切除而不被切开并从身体腔中取出, 具有可拆卸地设置在主体部分(2)的前部的刚性外管(4),该主体部分也是保持部分并具有旋转动力源28.外管(4)设置有靠近 前端部分和在开口(7)的后部具有弯曲部分9。 外管4在前端部设置有切断部(13),并且通过旋转和驱动切割部(13),将后端部可移除地连接到旋转动力源(28),切除生物体组织 )。 至少在与上述弯曲部分(9)对应的位置具有柔性部分(12)的内管(6)通过外管(4)插入。
    • 7. 发明授权
    • Surgical resecting instrument
    • 手术检查仪器
    • US5123904A
    • 1992-06-23
    • US633194
    • 1990-12-31
    • Koji ShimomuraShozo Shibuya
    • Koji ShimomuraShozo Shibuya
    • A61B17/32
    • A61B17/32002
    • A surgical resecting instrument whereby a cartilage, joint bump or tumor within a body cavity such as a joint cavity, for example, of a knee is resected from outside the body cavity without incising it and is discharged out of the body cavity has a body part providing a rotary driving connection and an insertable part to be inserted into a tissue within a living body attached to and extending from a front end part of the body part. The insertable part comprises a tubular outer tube opened in the tip part and forming an outer shell of the insertable part and an inner tube provided within the outer tube and rotated and driven by the rotary driving connection. An outer tubular blade is provided in the tip part of the outer tube. The tip of the outer blade is open and has a slot extending from the tip in a peripheral wall and forming a blade part at an edge of the slot. An inner blade for shearing a living body tissue together with the outer blade part is provided in the tip part of the inner tube within the outer blade. The inner blade has a shearing blade part formed so that the angle formed with the outer blade part at the beginning of a shearing action will be larger than the angle formed with the blade part as the shearing action continues.
    • 一种手术切除器械,其中体腔内的软骨,关节隆起或肿瘤,例如关节腔,例如膝盖,在体腔内切除,而不将其切除并排出体腔内,具有主体部分 提供旋转驱动连接和可插入部件,以插入到附接到主体部分的前端部并从其延伸的活体内的组织中。 可插入部分包括在顶端部分中开口并形成可插入部分的外壳的管状外管和设置在外管内并由旋转驱动连接驱动的内管。 在外管的顶端部设置外管状叶片。 外刀片的尖端是开口的,并且具有从周边壁中的尖端延伸的槽,并在槽的边缘处形成刀片部分。 在外刀片的内管的前端部设置有用于在外刀片部分剪切活体组织的内刀片。 内刀片具有剪切刀片部分,其形成为使得在剪切动作开始时与外刀片部分形成的角度将大于当剪切动作持续时与刀片部分形成的角度。