WO2011029263A1 - 一种远程控制向椎体注入骨材料的注入装置 - Google Patents

一种远程控制向椎体注入骨材料的注入装置 Download PDF

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Publication number
WO2011029263A1
WO2011029263A1 PCT/CN2010/000371 CN2010000371W WO2011029263A1 WO 2011029263 A1 WO2011029263 A1 WO 2011029263A1 CN 2010000371 W CN2010000371 W CN 2010000371W WO 2011029263 A1 WO2011029263 A1 WO 2011029263A1
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WO
WIPO (PCT)
Prior art keywords
handle
injector
connector
push rod
fixed
Prior art date
Application number
PCT/CN2010/000371
Other languages
English (en)
French (fr)
Inventor
邵卫星
Original Assignee
Shao Weixing
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shao Weixing filed Critical Shao Weixing
Priority to BRPI1013769A priority Critical patent/BRPI1013769B8/pt
Priority to JP2012528210A priority patent/JP2013503726A/ja
Priority to US13/257,601 priority patent/US20120010625A1/en
Priority to ES10814865.1T priority patent/ES2632339T3/es
Priority to EP10814865.1A priority patent/EP2476385B1/en
Priority to KR1020117015405A priority patent/KR101216138B1/ko
Publication of WO2011029263A1 publication Critical patent/WO2011029263A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8802—Equipment for handling bone cement or other fluid fillers
    • A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
    • A61B17/8822—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by means facilitating expulsion of fluid from the introducer, e.g. a screw pump plunger, hydraulic force transmissions, application of vibrations or a vacuum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • A61M2005/14573—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons with a replaceable reservoir for quick connection/disconnection with a driving system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/35—Communication
    • A61M2205/3507—Communication with implanted devices, e.g. external control
    • A61M2205/3515—Communication with implanted devices, e.g. external control using magnetic means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • A61M5/14546—Front-loading type injectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • A61M5/1456—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons with a replaceable reservoir comprising a piston rod to be moved into the reservoir, e.g. the piston rod is part of the removable reservoir
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • A61M5/1458—Means for capture of the plunger flange

Definitions

  • Injection device for remotely controlling bone material injection into vertebral body
  • the present invention relates to a medical device, and more particularly to an injection device for remotely controlling the injection of bone material into a vertebral body.
  • vertebral body formation and reduction are required.
  • bone materials such as bone cement are required to be inserted into the fracture.
  • the injection of bone material is performed by the injector under the supervision of fluoroscopy, and the bone material is directly injected into the lesion. Since the bone material is fluid-like injection, the injection process requires the operator to be extremely careful and careful, once the operation is improper. When the bone material flows to an unnecessary part, it will cause an irreparable medical accident. To reduce the accident, it is necessary to perform ray monitoring during the whole process of bone material injection. Therefore, the specificity of the vertebral body formation surgery The operator must be close to the fluoroscopy device, which causes the radiation to be injurious to the operator, especially those who often perform such surgery. This is a deficiencies in the prior art.
  • the object of the present invention is to provide two injection control device solutions for remotely injecting bone material into a vertebral body according to the deficiencies of the prior art.
  • the solution is implemented by a controlled machine by using a specific injection operation, and the operator can be far away.
  • the fluoroscopy device can monitor the injection condition on the one hand, and can remotely control the injection process of the injection device on the one hand, so that there is no operation error and the body of the operation operator is protected from the radiation.
  • An injection device that remotely controls the injection of bone material into the vertebral body, including a note with a piston and a precessor
  • the input device has a rotating handle fixed at one end of the screwing push rod.
  • the present embodiment is characterized in that a base is fixed, and an injector fixing frame is fixed at one end of the base, and the injector is fixed in the injector fixing frame,
  • the rotating handle is connected with the handle connector, the handle connector is connected to the power connector, and the power connector is connected to the output shaft of the stepping motor.
  • the axis of the stepper motor is coaxial with the axis of the screwing push rod.
  • the second technical solution remotely controls the injection device for injecting bone material into the vertebral body, including an injector with a piston and a sliding push rod, and a push handle is fixed at one end of the sliding push rod.
  • the feature of this solution is that there is a base An injector holder is fixed at one end of the base, the injector is fixed in the injector holder, the pushing handle is connected with the handle connector, and the handle connector is connected to the power connector, and the power connector is connected.
  • the shaft stepping motor has a threaded output shaft connection, and the linear stepping motor has a threaded shaft axis coaxial with the axis of the sliding push rod, and the linear stepping motor is fixed on the base.
  • connection of the push handle and the handle connector is to push the handle into the handle cavity on the handle connector.
  • the connection of the handle connector to the power connector is a quick-disconnect connection.
  • the injector holder has an injector fixing knob for fastening the injector in the injector holder by bolts.
  • the beneficial effects of the solution can be known from the description of the above solution, because in this solution, the injector is fixed on the injector holder, the screwing push rod or the sliding push rod of the injector is connected through the handle connector and the power connection.
  • the head is coaxially connected to the output shaft of the stepper motor or linear stepper motor.
  • the injection action of the injector can be controlled by a stepping motor or a linear stepping motor, and the stepping motor or linear stepping
  • the control of the motor can be easily realized as 'remote control, so that the operator who performs the injection can move away from the injection site and perform the injection operation at the monitoring display screen of the fluoroscopy device, and can operate while monitoring to ensure the accuracy of the operation and avoid The mistakes in the operation have greatly improved the quality of the operation.
  • the control of the stepper motor or the linear stepping motor can realize the operations of fast forward, fast rewind, injection, stop and clear, and the injected dose can be displayed in real time, and can be set in advance. It can be seen that the present invention has substantial features and progress as compared with the prior art, and the beneficial effects of the implementation thereof are also obvious.
  • FIG. 1 is a partial cross-sectional structural view of a first embodiment of the present invention.
  • Figure 2 is a schematic plan view of the structure of Figure 1.
  • FIG 3 is a partial cross-sectional structural view of a second embodiment of the present invention.
  • 1 is the base
  • 2 is the injector
  • 3 is the piston
  • 4 is the screw-in push rod
  • 5 is the injector holder.
  • 6 is the injector fixing knob
  • 7 is the handle cavity
  • 8 is the rotating handle
  • 9 is the handle connector
  • 10 is the power connector
  • 11 is the stepping motor
  • 12 is the motor mounting plate
  • 13 is the sliding push rod
  • 14 is the push Handle
  • 15 is a linear stepping motor.
  • the injection device for remotely controlling the injection of bone material into the vertebral body has a base 1 at one end of which is fixed with an injector holder 5, with a piston 3 and a rotation.
  • the injector 2 of the pusher 4 is fastened in the injector holder 5 by bolts from the injector fixing knob 6 on the injector holder 5.
  • a rotary handle 8 screwed into one end of the push rod 4 is connected to the handle connector 9, which is a rotary handle
  • the hand 8 is inserted into the handle cavity 7 on the handle connector 9.
  • This quick-disconnecting structure is various in the prior art and can be used in any configuration.
  • the injection device for remotely controlling the injection of bone material into the vertebral body has a base 1 at one end of which is fixed with an injector holder 5, with a piston 3 and a sliding push rod 13.
  • the injector 2 is fastened in the injector holder 5 by bolts from the injector fixing knob 6 on the injector holder 5.
  • the push lever 13 is connected to the handle connector 9 which is inserted into the handle chamber 7 of the handle connector 9.
  • This quick-disconnecting structure is versatile in the prior art and can be used in any configuration.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Neurology (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Description

一种远程控制向椎体注入骨材料的注入装置
技术领域：
本发明涉及的是一种医疗用设备， 尤其是一种远程控制向椎体注入骨材料 的注入装置。
背景技术：
目前， 对椎体出现压缩性骨折的病人， 均需要对椎体成形、 复位， 而在椎 体成形手术中， 就需要在骨折处输入如骨水泥等骨材料。 在现有技术中， 注入 骨材料是靠注入器在射线透视的监视下， 将骨材料直接注入病灶处， 由于骨材 料是流体状注入， 这个注入过程需要操作者极其细心和仔细， 一旦操作不当， 骨材料流到不需要的部位， 就会造成无法挽回的医疗事故， 而要降低事故的发 生， 就需要在骨材料注入的全过程进行射线监测， 因此， 这种椎体成形手术中 的具体操作人员必须离射线透视装置很近， 这就造成射线对进行手术操作人员 的伤害， 特别是那些经常从事此种手术的医生伤害尤为严重， 这是现有技术所 存在的不足之处。
发明内容：
本发明的目的， 就是针对现有技术所存在的不足， 而提供两种远程控制向 椎体注入骨材料的注入装置技术方案， 该方案采用具体注入操作由受控机械来 完成， 操作人员可远离射线透视装置， 一方面可监视注入情况， 一方面可远距 离控制注入装置的注入进程， 这样既不会出现操作失误， 也确保了手术操作人 员的身体免受射线的伤害。 '
本方案是通过如下技术措施来实现的：
第一个技术解决方案：
远程控制向椎体注入骨材料的注入装置， 包括带有活塞和旋进推杆的注 入器， 在旋进推杆的一端固定有转动把手， 本方案的特点是有一个底座， 在底 座的一端固定有注入器固定架， 所述的注入器固定在注入器固定架内， 所述的 转动把手与把手连接头连接， 把手连接头再与动力连接头连接， 动力连接头则 与步进电机的出轴连接， 步进电机的出轴轴线与旋进推杆的轴线同轴。 本方案 具体的特点还有， 所述的步进电机是固定在电机安装板上， 电机安装板安装在 底座上， 并可沿底座平移或锁定。 所述的转动把手与把手连接头的连接是转动 把手插入把手连接头上的把手腔内。 所述的把手连接头与动力连接头的连接是 快速拆装的连接。 所述的注入器固定架上有注入器固定旋钮通过螺栓将注入器 紧固在注入器固定架内。
第二个技术解决方案- 远程控制向椎体注入骨材料的注入装置， 包括带有活塞和滑动推杆的注入 器， 在滑动推杆的一端固定有推动把手， 本方案的特点是有一个底座， 在底座 的一端固定有注入器固定架， 所述的注入器固定在注入器固定架内， 所述的推 动把手与把手连接头连接， 把手连接头再与动力连接头连接， 动力连接头则与 直线步进电机带有螺纹的出轴连接， 直线步进电机带有螺纹的出轴轴线与滑动 推杆的轴线同轴， 该直线步进电机是固定在底座上。 本方案具体的特点还有， 所述的推动把手与把手连接头的连接是推动把手插入把手连接头上的把手腔 内。 所述的把手连接头与动力连接头的连接是快速拆装的连接。 所述的注入器 固定架上有注入器固定旋钮通过螺栓将注入器紧固在注入器固定架内。
本方案的有益效果可根据对上述方案的叙述得知， 由于在该方案中， 注入 器是固定在注入器固定架上， 注入器的旋进推杆或滑动推杆通过把手连接头和 动力连接头与步进电机或直线步进电机的出轴同轴连接。 这一结构， 注入器的 注入动作就可由步进电机或直线步进电机来控制， 而人对步进电机或直线步进 电机的控制可较容易实现'远程控制， 这样实施注入的操作人员就可 远离注入现场， 在射线透视装置的监视显示屏处进行注入操作， 可以边监视边 操作，保证了操作的准确性，避免了操作的失误，故而大大提高了手术的质量。 再加对步进电机或直线步进电机的控制可以实现快进、 快退、 注入、 停止和清 零等操作， 还能实时显示注入的剂量， 并可以预先进行设置。 由此可见， 本发 明与现有技术相比， 具有实质性特点和进步， 其实施的有益效果也是显而易见 的。
附图说明：
图 1为本发明第一个技术方案具体实施方式的部分剖视结构示意图。
图 2为图 1的俯视结构示意图。
图 3为本发明第二个技术方案具体实施方式的部分剖视结构示意图。
图中， 1为底座， 2为注入器， 3为活塞， 4为旋进推杆， 5为注入器固定架，
6为注入器固定旋钮， 7为把手腔， 8为转动把手， 9为把手连接头， 10为动力连 接头， 11为步进电机， 12为电机安装板， 13为滑动推杆， 14为推动把手， 15为 直线步进电机。
具体实施方式：
为能清楚说明本方案的技术特点， 下面对两个技术解决方案各通过一个具 体实施方式， 并结合其附图， 对本方案进行阐述。
第一个技术解决方案：
通过附图 1和附图 2可以看出， 本方案的远程控制向椎体注入骨材料的注入 装置有一个底座 1， 在底座 1的一端固定有注入器固定架 5， 带有活塞 3和旋进推 杆 4的注入器 2就由注入器固定架 5上的注入器固定旋钮 6通过螺栓紧固在注入器 固定架 5内。 旋进推杆 4一端的转动把手 8与把手连接头 9连接， 该连接是转动把 手 8插入把手连接头 9上的把手腔 7内。 把手连接头 9与动力连接头 10之间有可快 速拆装的连接， 这种快速拆装的结构在现有技术中有多种， 可以任选一种结构 使用。 动力连接头 10则与步进电机 11的出轴连接， 步进电机 11的出轴轴线与旋 进推杆 4的轴线同轴。所述的步进电机 11是固定在电机安装板 12上， 电机安装板 12安装在底座 1上， 并可沿底座平移或锁定。
第二个技术解决方案：
通过附图 3可以看出， 本方案的远程控制向椎体注入骨材料的注入装置有 一个底座 1， 在底座 1的一端固定有注入器固定架 5， 带有活塞 3和滑动推杆 13的 注入器 2就由注入器固定架 5上的注入器固定旋钮 6通过螺栓紧固在注入器固定 架 5内。 滑动推杆 13—端的推动把手 14与把手连接头 9连接， 该连接是推动把手 14插入把手连接头 9上的把手腔 7内。把手连接头 9与动力连接头 10之间有可快速 拆装的连接， 这种快速拆装的结构在现有技术中有多种， 可以任选一种结构使 用。 动力连接头 10则与直线步进电机 15带有螺纹的出轴连接， 直线步进电机 15 带有螺紋的出轴轴线与滑动推杆 13的轴线同轴， 该直线步进电机 15是固定在底 座 1上。

Claims

权利要求
1.一种远程控制向椎体注入骨材料的注入装置，包括带有活塞和旋进推杆 的注入器， 在旋进推杆的一端固定有转动把手， 其特征是： 有一个底座， 在底 座的一端固定有注入器固定架， 所述的注入器固定在注入器固定架内， 所述的 转动把手与把手连接头连接， 把手连接头再与动力连接头连接， 动力连接头则 与步进电机的出轴连接， 步进电机的出轴轴线与旋进推杆的轴线同轴。
2.根据权利要求 1所述的注入装置， 其特征是： 所述的步进电机是固定在 电机安装板上， 电机安装板安装在底座上， 并可沿底座平移或锁定。
3.根据权利要求 1所述的注入装置， 其特征是： 所述的转动把手与把手连 接头的连接是转动把手插入把手连接头上的把手腔内。
4.一种远程控制向椎体注入骨材料的注入装置，包括带有活塞和滑动推杆 的注入器， 在滑动推杆的一端固定有推动把手， 其特征是： 有一个底座， 在底 座的一端固定有注入器固定架， 所述的注入器固定在注入器固定架内， 所述的 推动把手与把手连接头连接， 把手连接头再与动力连接头连接， 动力连接头则 与直线步进电机带有螺纹的出轴连接， 直线步进电机带有螺纹的出轴轴线与滑 动推杆的轴线同轴， 该直线步进电机是固定在底座上。
5.根据权利要求 4所述的注入装置， 其特征是： 所述的推动把手与把手连 接头的连接是推动把手插入把手连接头上的把手腔内。
6.根据权利要求 1或 4所述的注入装置， 其特征是： 所述的把手连接头与动 力连接头的连接是快速拆装的连接。
7.根据权利要求 1或 4所述的注入装置， 其特征是： 所述的注入器固定架上 有注入器固定旋钮通过螺栓将注入器紧固在注入器固定架内。
PCT/CN2010/000371 2009-09-09 2010-03-25 一种远程控制向椎体注入骨材料的注入装置 WO2011029263A1 (zh)

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JP2012528210A JP2013503726A (ja) 2009-09-09 2010-03-25 椎体へ骨材を注入することを長距離で制御する注入装置
US13/257,601 US20120010625A1 (en) 2009-09-09 2010-03-25 Remote-controlled injection apparatus for injecting bone material into vertebral body
ES10814865.1T ES2632339T3 (es) 2009-09-09 2010-03-25 Aparato de inyección bajo control remoto para inyectar material óseo en un cuerpo vertebral
EP10814865.1A EP2476385B1 (en) 2009-09-09 2010-03-25 Remote-controlled injection apparatus for injecting bone material into vertebral body
KR1020117015405A KR101216138B1 (ko) 2009-09-09 2010-03-25 일종의 원격 제어하여 추체에 골 재료를 주입하는 주입장치

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