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1. 发明申请

US20080249553A1 METHOD, SYSTEM AND DEVICE FOR TISSUE REMOVAL 有权
标题翻译：用于组织去除的方法，系统和装置
公开(公告)号：US20080249553A1
公开(公告)日：2008-10-09
申请号：US12098250
申请日：2008-04-04
申请人： William Harwick Gruber , Ronald David Adams , Albert Chun-Chi Chin , Erik Karl Litscher , Roy Hewitt Sullivan , Paul DiCesare , Jeffrey Radziunas , Daniel Vigliotti , Bryan Dale Knodel , Chris Scott Daniels , Kevin J. Vititoe , Michael Anthony Lorenz , Paul P. Kolada , Ryan Scott Crisp , Chris William Cicenas , Ludwin M. Mora , Brent Lee Burchfield
发明人： William Harwick Gruber , Ronald David Adams , Albert Chun-Chi Chin , Erik Karl Litscher , Roy Hewitt Sullivan , Paul DiCesare , Jeffrey Radziunas , Daniel Vigliotti , Bryan Dale Knodel , Chris Scott Daniels , Kevin J. Vititoe , Michael Anthony Lorenz , Paul P. Kolada , Ryan Scott Crisp , Chris William Cicenas , Ludwin M. Mora , Brent Lee Burchfield
IPC分类号： A61B17/32 , A61M1/00
CPC分类号： A61B17/32002 , A61B17/29 , A61B17/3201 , A61B17/32053 , A61B17/32056 , A61B17/320725 , A61B17/320783 , A61B17/42 , A61B2017/00685 , A61B2017/2905 , A61B2017/320004 , A61B2017/320064 , A61B2017/320775 , A61B2017/4216 , A61B2018/1407 , A61B2217/005 , A61M1/0082
摘要： A method and device for tissue removal. The device may be used to remove uterine fibroids and other abnormal gynecological tissue. According to one embodiment, the device includes a housing, an outer tube, and an inner tube. The outer tube is fixed to the housing and includes a side window proximate to its distal end. The side window may have sloped proximal and distal ends. The inner tube has a distal end positioned within the outer tube, the distal end being adapted to rotate and, at the same time, to move back and forth past the side window, with the rotational and translational movement of the inner tube being independently controllable. The distal end of the inner tube may have an external bevel. Suction is applied to the proximal end of the inner tube to draw tissue into the side window and to remove resected tissue through the inner tube.
摘要翻译：一种用于组织去除的方法和装置。该装置可用于去除子宫肌瘤和其他异常妇科组织。根据一个实施例，该装置包括外壳，外管和内管。外管固定在壳体上并且包括靠近其远端的侧窗。侧窗可能具有倾斜的近端和远端。内管具有定位在外管内的远端，远端适于旋转，并且同时来回移动经过侧窗，内管的旋转和平移运动可独立控制。内管的远端可以具有外部斜面。将吸力施加到内管的近端以将组织拉入侧窗并通过内管去除切除的组织。

2. 发明授权

US08574253B2 Method, system and device for tissue removal 有权
标题翻译：用于组织去除的方法，系统和装置
公开(公告)号：US08574253B2
公开(公告)日：2013-11-05
申请号：US12098250
申请日：2008-04-04
申请人： William Harwick Gruber , Ronald David Adams , Albert Chun-Chi Chin , Eric Karl Litscher , Roy Hewitt Sullivan , Paul DiCesare , Jeffrey Radziunas , Daniel Vigliotti , Bryan Dale Knodel , Chris Scott Daniels , Kevin J. Vititoe , Michael Anthony Lorenz , Paul P. Kolada , Ryan Scott Crisp , Chris William Cicenas , Ludwin M. Mora , Brent Lee Burchfield
发明人： William Harwick Gruber , Ronald David Adams , Albert Chun-Chi Chin , Eric Karl Litscher , Roy Hewitt Sullivan , Paul DiCesare , Jeffrey Radziunas , Daniel Vigliotti , Bryan Dale Knodel , Chris Scott Daniels , Kevin J. Vititoe , Michael Anthony Lorenz , Paul P. Kolada , Ryan Scott Crisp , Chris William Cicenas , Ludwin M. Mora , Brent Lee Burchfield
IPC分类号： A61B17/32
CPC分类号： A61B17/32002 , A61B17/29 , A61B17/3201 , A61B17/32053 , A61B17/32056 , A61B17/320725 , A61B17/320783 , A61B17/42 , A61B2017/00685 , A61B2017/2905 , A61B2017/320004 , A61B2017/320064 , A61B2017/320775 , A61B2017/4216 , A61B2018/1407 , A61B2217/005 , A61M1/0082
摘要： A method and device for tissue removal. The device may be used to remove uterine fibroids and other abnormal gynecological tissue. According to one embodiment, the device includes a housing, an outer tube, and an inner tube. The outer tube is fixed to the housing and includes a side window proximate to its distal end. The side window may have sloped proximal and distal ends. The inner tube has a distal end positioned within the outer tube, the distal end being adapted to rotate and, at the same time, to move back and forth past the side window, with the rotational and translational movement of the inner tube being independently controllable. The distal end of the inner tube may have an external bevel. Suction is applied to the proximal end of the inner tube to draw tissue into the side window and to remove resected tissue through the inner tube.
摘要翻译：一种用于组织去除的方法和装置。该装置可用于去除子宫肌瘤和其他异常妇科组织。根据一个实施例，该装置包括外壳，外管和内管。外管固定在壳体上并且包括靠近其远端的侧窗。侧窗可能具有倾斜的近端和远端。内管具有定位在外管内的远端，远端适于旋转，并且同时来回移动经过侧窗，内管的旋转和平移运动可独立控制。内管的远端可以具有外部斜面。将吸力施加到内管的近端以将组织拉入侧窗并通过内管去除切除的组织。

3. 发明申请

US20110077674A1 TISSUE CUTTER WITH DIFFERENTIAL HARDNESS 审中-公开
标题翻译：具有差异硬度的组织切割机
公开(公告)号：US20110077674A1
公开(公告)日：2011-03-31
申请号：US12972233
申请日：2010-12-17
申请人： Roy Hewitt Sullivan , Albert Chun-Chi Chin , Eric Karl Litscher , William Lucas Churchill , Ronald David Adams , William Harwick Gruber , David Jacobs
发明人： Roy Hewitt Sullivan , Albert Chun-Chi Chin , Eric Karl Litscher , William Lucas Churchill , Ronald David Adams , William Harwick Gruber , David Jacobs
IPC分类号： A61B17/32
CPC分类号： A61B17/42 , A61B17/00234 , A61B17/320016 , A61B17/32002 , A61B17/3201 , A61B17/3205 , A61B17/32053 , A61B17/32056 , A61B17/320725 , A61B17/320783 , A61B17/3415 , A61B17/3462 , A61B2017/00331 , A61B2017/00398 , A61B2017/00424 , A61B2017/0046 , A61B2017/00526 , A61B2017/00685 , A61B2017/0073 , A61B2017/22078 , A61B2017/22079 , A61B2017/2905 , A61B2017/320004 , A61B2017/320024 , A61B2017/320028 , A61B2017/320064 , A61B2017/320775 , A61B2017/3466 , A61B2017/347 , A61B2017/4216 , A61B2018/1407 , A61B2217/005 , A61B2217/007 , A61M1/0082
摘要： Disclosed is a tubular cutting element for axial reciprocal movement within an outer tubular sleeve. The cutting element has an elongate tubular body, having a proximal end, a distal end and a cutting tip. The tubular body is formed in a drawing operation and the cutting tip is formed in a milling operation. The tubular body may have a Rockwell C hardness of no more than about 40, and the cutting tip may have a Rockwell C hardness of at least about 50.
摘要翻译：公开了一种用于在外部管状套筒内进行轴向往复移动的管状切割元件。切割元件具有细长的管状体，其具有近端，远端和切割尖端。管状体在拉拔操作中形成，并且切削尖端形成为铣削操作。管状体可以具有不超过约40的洛氏硬度，并且切割尖端可具有至少约50的洛氏硬度。

4. 发明授权

US08951274B2 Methods of high rate, low profile tissue removal 有权
标题翻译：高速率，薄型组织去除方法
公开(公告)号：US08951274B2
公开(公告)日：2015-02-10
申请号：US12432691
申请日：2009-04-29
申请人： Ronald David Adams , Albert Chun-Chi Chin , Roy Hewitt Sullivan , Eric Karl Litscher , William Lucas Churchill , William Harwick Gruber
发明人： Ronald David Adams , Albert Chun-Chi Chin , Roy Hewitt Sullivan , Eric Karl Litscher , William Lucas Churchill , William Harwick Gruber
IPC分类号： A61B17/3205 , A61B17/32 , A61B17/42 , A61B17/29 , A61B17/3201 , A61B17/3207 , A61B17/34 , A61B17/00 , A61B18/14
CPC分类号： A61B17/32002 , A61B1/303 , A61B8/12 , A61B17/29 , A61B17/3201 , A61B17/32053 , A61B17/32056 , A61B17/320725 , A61B17/320758 , A61B17/320783 , A61B17/3421 , A61B17/3462 , A61B17/3496 , A61B17/3498 , A61B17/42 , A61B90/30 , A61B2010/0208 , A61B2017/00331 , A61B2017/00685 , A61B2017/00738 , A61B2017/00973 , A61B2017/2905 , A61B2017/320004 , A61B2017/320028 , A61B2017/320064 , A61B2017/320775 , A61B2017/3445 , A61B2017/3447 , A61B2017/3466 , A61B2017/4216 , A61B2018/1407 , A61B2217/005 , A61B2217/007 , A61M1/0082
摘要： Disclosed are methods and devices for removing tissue from a site in a hollow organ, where the device has a low crossing profile and is capable of removing tissue at a high rate of speed. The device includes an elongate outer tube with a side opening and an inner tube moveably coaxially positioned within the outer tube. Tissue drawn into the side opening can be severed by moving the inner tube across the opening. Tissue may be removed through the device at a rate of at least about 1.4 cc per minute, through a lumen having a cross-sectional area of no greater than about 12.02 mm. Cutting may be accomplished by rotating the inner tube at a speed of at least about 4000 rpm, and axially reciprocating the inner tube at a rate of at least about 1.5 cycles per second. The window may have a rho value of no more than about 1, and the outside diameter of the device may be no more than about 3 mm.
摘要翻译：公开了用于从中空器官中的部位去除组织的方法和装置，其中该装置具有低交叉分布并且能够以高速率去除组织。该装置包括具有侧开口的细长外管和可移动地同轴地定位在外管内的内管。通过移动内管穿过开口可以切断拉入侧开口的组织。组织可以以至少约1.4cc /分钟的速率穿过装置通过具有不大于约12.02mm的横截面面积的内腔去除。可以通过以至少约4000rpm的速度旋转内管并以每秒至少约1.5个循环的速率轴向往复运动内管来实现切割。窗口的rho值可以不大于约1，并且装置的外径可以不大于约3mm。

5. 发明申请

US20090270895A1 LOW ADVANCE RATIO, HIGH RECIPROCATION RATE TISSUE REMOVAL DEVICE 审中-公开
标题翻译：低提前比例，高转录率组织去除装置
公开(公告)号：US20090270895A1
公开(公告)日：2009-10-29
申请号：US12432675
申请日：2009-04-29
申请人： William Lucas Churchill , Roy Hewitt Sullivan , Albert Chun-Chi Chin , Eric Karl Litscher , William Harwick Gruber , Ronald David Adams
发明人： William Lucas Churchill , Roy Hewitt Sullivan , Albert Chun-Chi Chin , Eric Karl Litscher , William Harwick Gruber , Ronald David Adams
IPC分类号： A61B17/32
CPC分类号： A61B17/32002 , A61B1/303 , A61B8/12 , A61B17/29 , A61B17/3201 , A61B17/32053 , A61B17/32056 , A61B17/320725 , A61B17/320758 , A61B17/320783 , A61B17/3421 , A61B17/3462 , A61B17/3496 , A61B17/3498 , A61B17/42 , A61B90/30 , A61B2010/0208 , A61B2017/00331 , A61B2017/00685 , A61B2017/00738 , A61B2017/00973 , A61B2017/2905 , A61B2017/320004 , A61B2017/320028 , A61B2017/320064 , A61B2017/320775 , A61B2017/3445 , A61B2017/3447 , A61B2017/3466 , A61B2017/4216 , A61B2018/1407 , A61B2217/005 , A61B2217/007 , A61M1/0082
摘要： Disclosed is a tissue removal device having an outer tube with a resection window and an inner tube disposed within the outer tube. The inner tube is slidable and rotatable relative to the outer tube so that the distal end of the inner tube moves back and forth across the resection window to sever tissue extending therethrough. The inner tube may be driven to rotate at a speed of at least about 1100 rpm, to axially translate at a rate of at least about 1.5 cps, and with an advance ratio of no more than about 0.25. The drive system for controlling axial reciprocation and rotation of the inner tube may be totally mechanical.
摘要翻译：公开了一种组织去除装置，其具有具有切除窗口的外管和设置在外管内的内管。内管可相对于外管滑动和旋转，使得内管的远端通过切除窗前后移动以切断穿过其中的组织。内管可以被驱动以至少约1100rpm的速度旋转，以至少约1.5cps的速率轴向平移，并且提前比不大于约0.25。用于控制内管的轴向往复运动和旋转的驱动系统可以是完全机械的。

6. 发明申请

US20090270897A1 METHODS OF HIGH RATE, LOW PROFILE TISSUE REMOVAL 有权
标题翻译：高速率，低剖面组织去除方法
公开(公告)号：US20090270897A1
公开(公告)日：2009-10-29
申请号：US12432691
申请日：2009-04-29
申请人： Ronald David Adams , Albert Chun-Chi Chin , Roy Hewitt Sullivan , Eric Karl Litscher , William Lucas Churchill , William Harwick Gruber
发明人： Ronald David Adams , Albert Chun-Chi Chin , Roy Hewitt Sullivan , Eric Karl Litscher , William Lucas Churchill , William Harwick Gruber
IPC分类号： A61B17/32
CPC分类号： A61B17/32002 , A61B1/303 , A61B8/12 , A61B17/29 , A61B17/3201 , A61B17/32053 , A61B17/32056 , A61B17/320725 , A61B17/320758 , A61B17/320783 , A61B17/3421 , A61B17/3462 , A61B17/3496 , A61B17/3498 , A61B17/42 , A61B90/30 , A61B2010/0208 , A61B2017/00331 , A61B2017/00685 , A61B2017/00738 , A61B2017/00973 , A61B2017/2905 , A61B2017/320004 , A61B2017/320028 , A61B2017/320064 , A61B2017/320775 , A61B2017/3445 , A61B2017/3447 , A61B2017/3466 , A61B2017/4216 , A61B2018/1407 , A61B2217/005 , A61B2217/007 , A61M1/0082
摘要： Disclosed are methods and devices for removing tissue from a site in a hollow organ, where the device has a low crossing profile and is capable of removing tissue at a high rate of speed. The device includes an elongate outer tube with a side opening and an inner tube moveably coaxially positioned within the outer tube. Tissue drawn into the side opening can be severed by moving the inner tube across the opening. Tissue may be removed through the device at a rate of at least about 1.4 cc per minute, through a lumen having a cross-sectional area of no greater than about 12.02 mm. Cutting may be accomplished by rotating the inner tube at a speed of at least about 4000 rpm, and axially reciprocating the inner tube at a rate of at least about 1.5 cycles per second. The window may have a rho value of no more than about 1, and the outside diameter of the device may be no more than about 3 mm.
摘要翻译：公开了用于从中空器官中的部位去除组织的方法和装置，其中该装置具有低交叉分布并且能够以高速率去除组织。该装置包括具有侧开口的细长外管和可移动地同轴地定位在外管内的内管。通过移动内管穿过开口可以切断拉入侧开口的组织。组织可以以至少约1.4cc /分钟的速率穿过装置通过具有不大于约12.02mm的横截面面积的内腔去除。可以通过以至少约4000rpm的速度旋转内管并以每秒至少约1.5个循环的速率轴向往复运动内管来实现切割。窗口的rho值可以不大于约1，并且装置的外径可以不大于约3mm。

7. 发明申请

US20090270896A1 TISSUE CUTTER WITH DIFFERENTIAL HARDNESS 有权
标题翻译：具有差异硬度的组织切割机
公开(公告)号：US20090270896A1
公开(公告)日：2009-10-29
申请号：US12432686
申请日：2009-04-29
申请人： Roy Hewitt Sullivan , Albert Chun-Chi Chin , Eric Karl Litscher , William Lucas Churchill , Ronald David Adams , William Harwick Gruber , David Jacobs
发明人： Roy Hewitt Sullivan , Albert Chun-Chi Chin , Eric Karl Litscher , William Lucas Churchill , Ronald David Adams , William Harwick Gruber , David Jacobs
IPC分类号： A61B17/32
CPC分类号： A61B17/42 , A61B17/00234 , A61B17/320016 , A61B17/32002 , A61B17/3201 , A61B17/3205 , A61B17/32053 , A61B17/32056 , A61B17/320725 , A61B17/320783 , A61B17/3415 , A61B17/3462 , A61B2017/00331 , A61B2017/00398 , A61B2017/00424 , A61B2017/0046 , A61B2017/00526 , A61B2017/00685 , A61B2017/0073 , A61B2017/22078 , A61B2017/22079 , A61B2017/2905 , A61B2017/320004 , A61B2017/320024 , A61B2017/320028 , A61B2017/320064 , A61B2017/320775 , A61B2017/3466 , A61B2017/347 , A61B2017/4216 , A61B2018/1407 , A61B2217/005 , A61B2217/007 , A61M1/0082
摘要： Disclosed is a tubular cutting element for axial reciprocal movement within an outer tubular sleeve. The cutting element has an elongate tubular body, having a proximal end, a distal end and a cutting tip. The tubular body is formed in a drawing operation and the cutting tip is formed in a milling operation. The tubular body may have a Rockwell C hardness of no more than about 40, and the cutting tip may have a Rockwell C hardness of at least about 50.
摘要翻译：公开了一种用于在外部管状套筒内进行轴向往复移动的管状切割元件。切割元件具有细长的管状体，其具有近端，远端和切割尖端。管状体在拉拔操作中形成，并且切削尖端形成为铣削操作。管状体可以具有不超过约40的洛氏硬度，并且切割尖端可具有至少约50的洛氏硬度。

8. 发明授权

US09095366B2 Tissue cutter with differential hardness 有权
标题翻译：组织切割机具有差异硬度
公开(公告)号：US09095366B2
公开(公告)日：2015-08-04
申请号：US12432686
申请日：2009-04-29
申请人： Roy Hewitt Sullivan , Albert Chun-Chi Chin , Eric Karl Litscher , William Lucas Churchill , Ronald David Adams , William Harwick Gruber , David Jacobs
发明人： Roy Hewitt Sullivan , Albert Chun-Chi Chin , Eric Karl Litscher , William Lucas Churchill , Ronald David Adams , William Harwick Gruber , David Jacobs
IPC分类号： A61B17/32 , A61B17/3205 , A61B17/42 , A61M1/00 , A61B17/3201 , A61B17/3207 , A61B17/34 , A61B17/00 , A61B17/29 , A61B18/14
CPC分类号： A61B17/42 , A61B17/00234 , A61B17/320016 , A61B17/32002 , A61B17/3201 , A61B17/3205 , A61B17/32053 , A61B17/32056 , A61B17/320725 , A61B17/320783 , A61B17/3415 , A61B17/3462 , A61B2017/00331 , A61B2017/00398 , A61B2017/00424 , A61B2017/0046 , A61B2017/00526 , A61B2017/00685 , A61B2017/0073 , A61B2017/22078 , A61B2017/22079 , A61B2017/2905 , A61B2017/320004 , A61B2017/320024 , A61B2017/320028 , A61B2017/320064 , A61B2017/320775 , A61B2017/3466 , A61B2017/347 , A61B2017/4216 , A61B2018/1407 , A61B2217/005 , A61B2217/007 , A61M1/0082
摘要： Disclosed is a tubular cutting element for axial reciprocal movement within an outer tubular sleeve. The cutting element has an elongate tubular body, having a proximal end, a distal end and a cutting tip. The tubular body is formed in a drawing operation and the cutting tip is formed in a milling operation. The tubular body may have a Rockwell C hardness of no more than about 40, and the cutting tip may have a Rockwell C hardness of at least about 50.
摘要翻译：公开了一种用于在外部管状套筒内进行轴向往复移动的管状切割元件。切割元件具有细长的管状体，其具有近端，远端和切割尖端。管状体在拉拔操作中形成，并且切削尖端形成为铣削操作。管状体可以具有不超过约40的洛氏硬度，并且切割尖端可具有至少约50的洛氏硬度。

9. 发明申请

US20090270898A1 TISSUE REMOVAL DEVICE WITH HIGH RECIPROCATION RATE 审中-公开
标题翻译：组织移除装置具有高的接种率
公开(公告)号：US20090270898A1
公开(公告)日：2009-10-29
申请号：US12432702
申请日：2009-04-29
申请人： Albert Chun-Chi Chin , Roy Hewitt Sullivan , Eric Karl Litscher , William Lucas Churchill , Ronald David Adams , William Harwick Gruber , David Jacobs
发明人： Albert Chun-Chi Chin , Roy Hewitt Sullivan , Eric Karl Litscher , William Lucas Churchill , Ronald David Adams , William Harwick Gruber , David Jacobs
IPC分类号： A61B17/32
CPC分类号： A61B17/32002 , A61B1/303 , A61B8/12 , A61B17/29 , A61B17/3201 , A61B17/32053 , A61B17/32056 , A61B17/320725 , A61B17/320758 , A61B17/320783 , A61B17/3421 , A61B17/3462 , A61B17/3496 , A61B17/3498 , A61B17/42 , A61B90/30 , A61B2010/0208 , A61B2017/00331 , A61B2017/00685 , A61B2017/00738 , A61B2017/00973 , A61B2017/2905 , A61B2017/320004 , A61B2017/320028 , A61B2017/320064 , A61B2017/320775 , A61B2017/3445 , A61B2017/3447 , A61B2017/3466 , A61B2017/4216 , A61B2018/1407 , A61B2217/005 , A61B2217/007 , A61M1/0082
摘要： Disclosed is a tissue removal device. The device includes an outer tubular body, an inner tubular body and a cutting edge on the inner tubular body. The outer tubular body includes a window, which may be opened or closed by moving the cutting edge. The cutting edge has a hardness that exceeds the hardness of the material of the inner tube. The cutting edge may have a Rockwell C hardness of at least about 50, while the inner tube has a Rockwell C hardness of no more than about 40. The cutting edge may be formed by a milling step, and the inner tube may be formed by a drawing step. Tissue severed by the cutting edge may be removed at a rate of at least about 1.8 grams per minute through the inner tube, and the outer tubular body may have an outside diameter of no more than about 3.5 mm.
摘要翻译：公开了一种组织去除装置。该装置包括外管状体，内管体和内管体上的切削刃。外管状体包括可以通过移动切割边缘而打开或关闭的窗口。切削刃的硬度超过内管材料的硬度。切削刃可以具有至少约50的洛氏C硬度，而内管具有不超过约40的洛氏C硬度。切削刃可以通过铣削步骤形成，并且内管可以由绘图步骤。通过切割边缘切割的组织可以以至少约1.8克/分钟的速率通过内管去除，并且外管体可以具有不超过约3.5mm的外径。

10. 发明申请

US20120172889A1 TISSUE REMOVAL SYSTEM 有权
标题翻译：组织拆卸系统
公开(公告)号：US20120172889A1
公开(公告)日：2012-07-05
申请号：US13344545
申请日：2012-01-05
申请人： Albert Chun-Chi Chin , Matthew John Whitney , Roy Hewitt Sullivan
发明人： Albert Chun-Chi Chin , Matthew John Whitney , Roy Hewitt Sullivan
IPC分类号： A61B17/42
CPC分类号： A61B17/32002 , A61B17/42 , A61B2017/00017 , A61B2017/320024 , A61B2017/320028 , A61B2017/4216 , A61B2217/005 , A61B2217/007
摘要： A tissue removal system includes an inner tubular member configured to rotate and oscillate axially relative to an outer tubular member, and a reversible motor comprising a rotatable output shaft operatively coupled to the inner tubular member. A proximal end of the inner tubular member is disposed within, and configured to rotate and oscillate axially relative to, a housing. A first control switch disposed within the housing is actuated when the inner tubular member is in a distal position relative to the housing, and a second control switch disposed external to the housing is actuated by a user. The system further includes motor control circuitry configured such that when the second control switch is actuated, actuation of the first control switch causes the motor output shaft to change direction, and when the second control switch is not actuated, actuation of the first control switch causes the motor to turn off.
摘要翻译：组织去除系统包括构造成相对于外部管状构件轴向旋转和振荡的内部管状构件，以及包括可操作地联接到内部管状构件的可旋转输出轴的可逆电动机。内管状构件的近端设置在壳体内并且构造成相对于壳体旋转并且轴向摆动。当内部管状构件相对于壳体处于远侧位置时，设置在壳体内的第一控制开关被致动，并且设置在壳体外部的第二控制开关由使用者致动。该系统还包括电动机控制电路，其配置成使得当第二控制开关被致动时，第一控制开关的致动导致电动机输出轴改变方向，并且当第二控制开关未致动时，第一控制开关的致动导致电机关机。

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