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    • 2. 发明授权
    • Jaw changing apparatus
    • 颚式换器
    • US4617721A
    • 1986-10-21
    • US660235
    • 1984-10-12
    • Joseph F. Jackson
    • Joseph F. Jackson
    • B23B31/39B23B31/16B23Q3/155
    • B23B31/39B23B31/16Y10S279/901Y10T279/13Y10T279/1986Y10T483/171
    • An apparatus is provided which enables the jaws of a chuck 10 to be removed from and inserted into jaw-ways 12, 13, 14 using a conventional workpiece handler, rather than a sophisticated and highly accurate dedicated jaw handling mechanism. A conventional workpiece handler cannot position a jaw to close tolerances but this problem is overcome by using a guide shoe 17 which can receive a jaw from the workpiece handler in any one of a range of positions and then accurately guide the jaw into one of the jaw-ways 12, 13, or 14.A mechanism 16 is provided for releasing the jaws from the jaw-ways, and for re-locking the jaws in position.
    • 提供了一种装置,其使得能够使用传统的工件处理器而不是精密和高度精确的专用爪处理机构将卡盘10的夹爪从夹爪12,13,14中移除并插入爪爪12,13,14中。 常规的工件处理器不能将夹爪定位成紧公差,但是通过使用导靴17来克服这个问题,引导靴17可以在一系列位置中的任何一个中从工件处理器接收钳口,然后将钳口精确地引导到钳口之一 提供了用于将钳口从夹爪释放的机构16,并且用于将钳口重新锁定在适当的位置。
    • 4. 发明授权
    • Expansible cannula
    • 可膨胀的肛门
    • US5139511A
    • 1992-08-18
    • US654813
    • 1991-02-13
    • Steven S. GillJoseph F. Jackson
    • Steven S. GillJoseph F. Jackson
    • A61B17/34A61M25/06A61M29/00
    • A61B17/3439A61M25/065A61M29/00
    • The invention provides an expansible cannula (particularly useful as a trocar) comprising essentially a conical tube made of metal foil with its proximal end located in a holder, and an expander tube which can be pushed through the stem from the proximal end, to cause the stem to expand from its conical free condition to a distended cylindrical condition. The stem itself comprises a caudex which has only radial motion on expansion of the stem, and a leaf, which in addition to uncoiling on expansion of the stem is also permitted a degree of forward motion, so that the front end of the stem becomes circular in the opened condition.
    • 本发明提供了一种可膨胀插管(特别适用于套管针),其基本上包括由金属箔制成的锥形管,其近端位于保持器中,以及膨胀管,其能够从近端推动通过柄, 茎从其无锥形膨胀到膨胀的圆柱形状态。 茎本身包括一个仅在茎的膨胀上具有径向运动的尾状物,并且叶片除了在茎的膨胀之外展开外,还允许一定程度的向前运动,使得茎的前端变成圆形 处于开放状态。
    • 5. 发明授权
    • Surgical appliance for forming an opening through the skin
    • 用于形成通过皮肤的开口的外科用具
    • US4716901A
    • 1988-01-05
    • US779810
    • 1985-09-25
    • Joseph F. JacksonSteven S. Gill
    • Joseph F. JacksonSteven S. Gill
    • A61D1/00A61B1/32A61B17/34A61M29/00
    • A61B17/3439
    • The invention relates to a surgical appliance for forming an opening through the skin of a patient and for distending the opening so formed. The appliance takes the form of a trocar which may comprise two separate components or two component portions formed by openings in a tube extending partially along the tube from the distal end. In either case, the components or component portions are preloaded towards a closed condition, but can be expanded into an open condition, for example by forcing a tubular expander into the trocar from the proximal end. The preloading of the trocar may be by a resilient sleeve surrounding the components or by a "set" introduced into the material forming the components. A cutting edge may be formed across substantially the full width of the distal end of the trocar and it is preferred that in the open condition, there is a no significant increase in the cross-section of the trocar towards the distal end.
    • 本发明涉及一种用于形成穿过患者皮肤的开口并用于使形成的开口膨胀的外科器具。 该器具采用套管针的形式,该套管针可以包括两个分开的部件或两个部件部分,该两部分部分或两部分部分由管子中的开口形成,所述管部分地沿着管从远端延伸。 在任一种情况下,组件或组件部分被预加载到关闭状态,但是可以扩展到打开状态,例如通过从近端迫使管状膨胀器进入套管针。 套管针的预加载可以通过围绕组件的弹性套筒或通过引入形成组件的材料的“套件”来实现。 可以在套管针的远端的基本上整个宽度上形成切割边缘,并且优选地,在打开状态下,套管针朝向远端的横截面没有显着增加。
    • 8. 发明授权
    • Scroll discharge decanter centrifuges
    • 涡旋式放料滗析器离心机
    • US4167243A
    • 1979-09-11
    • US834595
    • 1977-09-19
    • Joseph F. Jackson
    • Joseph F. Jackson
    • B04B1/20B04B3/04
    • B04B3/04
    • The invention concerns scroll discharge decanter centrifuges of the type in which the interior of the centrifuge is to be kept sealed from the atmosphere and which comprise a stationary assembly which includes an outer casing, a rotary assembly which includes a solid bowl which is adapted to be rotated within the stationary casing at a first speed and a scroll conveyor which is rotatable within the bowl at a second, slightly different speed. A plurality of sealing devices are arranged to be effective between the rotary assembly and the stationary assembly. Each sealing device comprises a first ring fixed relative to the stationary assembly and a second, coaxial ring which is adapted to rotate with the rotary assembly. That surface of the first ring which faces the second ring contains a plurality of gas jet nozzles by way of which pressurized gas can be supplied to an annular clearance gap between the first and second rings. One of the rings of each bearing is sealed by means of one or more elastomeric seals to a further annular member which is stationary relative to that one ring such that that ring is permitted to have a predetermined amount of radial and angular freedom relative to the further annular member for accommodating misalignment between the rotary and stationary assemblies.
    • 本发明涉及这样一种类型的涡旋排出倾析器离心机,其中离心机的内部将保持与大气密封并且包括包括外壳的固定组件,包括固体碗的旋转组件,该固体组件适于 以第一速度在固定壳体内旋转;以及涡旋式输送机,其以第二略微不同的速度在碗内旋转。 多个密封装置布置成在旋转组件和固定组件之间有效。 每个密封装置包括相对于固定组件固定的第一环和适于与旋转组件一起旋转的第二同轴环。 面对第二环的第一环的表面包含多个气体喷射喷嘴,通过该喷嘴可以将加压气体供应到第一和第二环之间的环形间隙。 每个轴承的一个环通过一个或多个弹性体密封件被密封到另一个环形构件,该环形构件相对于该一个环是静止的,使得该环被允许相对于另一个环具有预定量的径向和角度自由度 环形构件,用于容纳旋转和静止组件之间的未对准。
    • 10. 发明授权
    • Expansible cannula
    • 可膨胀插管
    • US4899729A
    • 1990-02-13
    • US204165
    • 1988-08-03
    • Steven S. GillJoseph F. Jackson
    • Steven S. GillJoseph F. Jackson
    • A61F2/82A61B17/34A61M29/00
    • A61M29/02A61B17/3439
    • The invention relates to a surgical cannula for introducing instruments, scopes or tubing into body cavities or organs. The cannula comprises a conical tubular stem which is formed of thin sheet material, such as beryllium copper, the sheet material being coiled or partially coiled so that if is capable of opening up from a closed condition by reducing the cone angle, thereby increasing the diameter of the stem at the distal end.In the preferred arrangement, the proximal end of the stem is clamped between two tubular elements fitted one inside the other.The invention also includes the combination of the expansible cannula and a guide rod adapted to pass through the stem and bored throughout its length to receive a guide wire. The guide rod may have a slightly enlarged distal end and the arrangement be such that passage of the enlarged distal end through the distal end of the stem causes a slight opening out of the distal end to allow passage of the enlargement.When a blunt instrument such as a nephroscope is forced through the bore of the stem from the relatively large proximal end, the stem will expand by uncoiling until the stem provides a substantially parallel-sided bore through which the blunt instrument can pass.According to a second aspect of the invention an expansible cannular has a stem formed by a plurality of thin sheet material leaves each of arcuate cross-section and overlapped so that together they form a tube which can be increased in diameter by reducing the overlap between the leaves.
    • 本发明涉及用于将仪器,示波器或管道引入体腔或器官的手术插管。 套管包括由诸如铍铜的薄片材料形成的锥形管状杆,片材被卷绕或部分盘绕,使得如果能够通过减小锥角从闭合状态打开,从而增加直径 的茎在远端。 在优选的布置中,杆的近端夹在两个装在另一个内的管状元件之间。 本发明还包括可膨胀套管和适于穿过杆的导杆的组合,并且在整个长度上钻孔以接纳导丝。 导杆可以具有稍微扩大的远端,并且该布置使得扩大的远端通过杆的远端的通道使得从远端稍微打开以允许放大通过。 当钝器例如肾镜被迫从相对较大的近端穿过杆的孔时,杆将通过开卷而膨胀,直到杆提供基本上平行的双侧孔,钝器通过该孔可以通过。 根据本发明的第二方面,可膨胀的管状物具有由多个薄片材料叶片形成的茎,每个薄片材料叶片具有弓形横截面并且重叠,使得它们一起形成管,其可以通过减小 树叶。