CN108742816B - Internal marrow outer bone moving device - Google Patents
Internal marrow outer bone moving device Download PDFInfo
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- CN108742816B CN108742816B CN201810646928.5A CN201810646928A CN108742816B CN 108742816 B CN108742816 B CN 108742816B CN 201810646928 A CN201810646928 A CN 201810646928A CN 108742816 B CN108742816 B CN 108742816B
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- receiving device
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- belt wheel
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- bone
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- 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8004—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones
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- 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
- A61B17/8057—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
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- 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
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- 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8095—Wedge osteotomy devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
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- Orthopedic Medicine & Surgery (AREA)
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Abstract
The invention discloses an internal and external marrow bone mover, which consists of a main body, a slide block, a locking screw, a motor, a titanium cable, a belt wheel, a battery, a wireless receiving device, a power receiving device, a wireless charging base and a wireless remote controller, wherein the slide block is arranged on the main body; the two ends of the main body are respectively provided with a plurality of locking threaded holes, the locking screws are screwed in the locking threaded holes, the middle part of the main body is provided with a groove, the main bodies on the two sides of the groove are provided with sliding grooves, bosses on the two sides of the sliding block are placed in the sliding grooves, and the sliding block is provided with locking threaded holes and through holes; the motor is arranged at the lower end of the main body, a belt wheel is arranged at the output end of the motor, the titanium cable penetrates through a through hole in the sliding block, two ends of the titanium cable are respectively fixed on the belt wheel, the motor is connected with the battery through a wireless receiving device, and a power receiving device is arranged at the upper end of the battery; the wireless charging base transmits external electric energy to the electric power receiving device, the motor is adopted to drive the belt wheel to rotate, the titanium cable drives the sliding block to move, the osteotomy is stretched, and automation, controllability and simplification of bone moving are achieved.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to an in-vivo marrow outer bone mover. Background
Long bone segmental bone defects, such as improper treatment, caused by osteomyelitis, bone tumors and open fractures, can seriously affect the quality of life and labor capacity of patients. Bone mobilization is an effective method of treating bone defects. At present, the external fixing device is used for providing exact stability for bones conventionally, a section of live bone at the upper end and the lower end of a bone defect is taken, the intercepted live bone is pulled by utilizing the movable device on the external fixing device according to the set direction, frequency and proper speed, the regeneration potential of bone tissues is excited again, the bone defect is gradually filled, and the reconstruction and the repair of limbs are completed.
Many complications exist in the process of moving the external fixation bone, including needle track infection and loosening of the fixation needle, soft tissue contracture, joint stiffness and deformity, severe soft tissue cutting pain and the like, and the occurrence rate is high, so that the process of moving treatment is directly influenced, and even the functional recovery of limbs is influenced. How to effectively reduce the related complications in the bone moving process is still a troublesome problem.
The fully-embedded controllable intramedullary nail technology initially realizes the internal distraction osteogenesis technology, but the technology is difficult to complete the bone lengthening operation of large-section bone defect, is expensive and is difficult to popularize clinically.
Therefore, a controllable in vivo and ex vivo bone marrow moving technology is urgently needed clinically, and the automation, the controllability and the simplification of the bone moving are thoroughly realized; and greatly expand the indications of the in vivo bone moving technology, improve the advantages and reduce the cost.
Disclosure of Invention
The invention aims to provide an in-vivo marrow outer bone mover, which reduces a plurality of complications treated by adopting an external fixing bracket and leads the treatment of a bone moving technology to be simpler, painless and more economical.
An internal and external marrow bone mover comprises a main body, a slide block, a locking screw, a motor, a titanium cable, a belt wheel, a battery, a wireless receiving device, a power receiving device, a wireless charging base and a wireless remote controller;
the two ends of the main body are respectively provided with a plurality of locking threaded holes, the locking screws are screwed in the locking threaded holes, the middle part of the main body is provided with a groove, the main bodies on the two sides of the groove are provided with sliding grooves, bosses on the two sides of the sliding block are placed in the sliding grooves, the sliding block can slide along the sliding grooves, and the sliding block is provided with locking threaded holes and through holes; the motor sets up at the main part lower extreme, and a band pulley is installed to the motor output, and the titanium cable passes through-hole and both ends on the slider and fixes respectively on the band pulley, and this motor passes through wireless receiving device and is connected with the battery, and the battery upper end is connected with a power receiving device, and power receiving device gives the battery power supply, and wireless charging base passes outside electric energy for power receiving device, and wireless remote controller gives wireless receiving device with signal transmission.
The working principle of the embodiment is as follows:
two ends of the main body of the bone mover are fixed at two ends of the bone defect area in a bridging way through locking screws, the osteotomy end is fixed on a sliding block through the locking screws, then the osteotomy operation is carried out, when the active bone block needs to be pulled, the wireless remote controller is pressed, the battery supplies power to the motor, the belt wheel is driven by the motor to rotate along a single direction, the belt wheel winds the titanium cable along the single direction, the length of the titanium cable wound on the belt wheel is 0.25mm when the belt wheel rotates once, the titanium cable can pull the active bone block at the cut end to move to the far end by 0.25mm, the axle center of the motor can be automatically locked after the rotation is completed each time, the titanium cable intermittently and rhythmically rotates four times every day, the titanium cable can pull the active bone block at the cut end to move to the receiving end by 1mm, the device drives the belt wheel to wind the titanium cable along a single direction through the mechanical rotation of the motor axis, and the titanium cable can intermittently and rhythmically draw the active bone blocks at the cut ends, so that the bone is moved to form the bone.
The invention has the beneficial effects that:
the motor is adopted to drive the belt wheel to rotate, the titanium cable drives the sliding block to move, the cut active bone block is pulled to form the bone, the automation, the controllability and the simplification of the bone moving are realized, the pain of a patient and the family burden are reduced, and the workload of medical staff is also reduced.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a perspective view of the main body of the present invention.
Fig. 3 is another perspective view of the main body of the present invention.
Fig. 4 is a schematic perspective view of a slider.
Fig. 5 is a partially enlarged view of a portion a in fig. 1.
Fig. 6 is a partially enlarged view of fig. 3 at B.
Detailed Description
Referring to fig. 1 to 6, an internal and external marrow bone mover is composed of a main body 1, a slider 2, a locking screw 3, a motor 4, a titanium cable 5, a pulley 6, a battery 7, a wireless receiving device 8, a power receiving device 9, a wireless charging base 10 and a wireless remote controller 80;
a plurality of locking threaded holes 11 are respectively formed in two ends of the main body 1, the locking screws 3 are screwed in the locking threaded holes 11, a groove 12 is formed in the middle of the main body 1, sliding grooves 13 are formed in the main body on two sides of the groove 12, bosses 20 on two sides of the sliding block 2 are placed in the sliding grooves 13, the sliding block 2 can slide along the sliding grooves 13, and the upper surface and the lower surface of the sliding block 2 are not higher than those of the main body 1; a locking threaded hole 11 and a through hole 21 are formed in the sliding block 2; motor 4 sets up at 1 lower extreme of main part, a band pulley 6 is installed to 4 output ends of motor, band pulley 6 sets up in 1 lower extreme recess 12 of main part, band pulley 6 upper surface is less than 1 upper surface of main part, titanium cable 5 passes through-hole 21 on the slider 2 and fixes respectively on band pulley 6 along the inside extension of recess 12 and both ends, this motor 4 passes through wireless receiving device 8 and is connected with battery 7, battery 7 upper end is connected with a power receiving device 9, power receiving device 9 supplies power for battery 7, wireless charging base 10 passes external electric energy for power receiving device 9, wireless remote controller 80 gives wireless receiving device 8 with signal transmission.
The wireless receiving device 8, the power receiving device 9 and the wireless charging base 10 are well-known technologies, and detailed descriptions thereof are omitted.
The working principle of the embodiment is as follows:
two ends of a main body 1 of the bone mover are fixed at two ends of a bone defect area in a bridging manner through locking screws 3, a bone cutting end is fixed on a sliding block 2 through the locking screws 3, then a bone cutting operation is performed, when an active bone block needs to be pulled, a wireless remote controller 80 is pressed, a battery 7 supplies power to a motor 4, a belt wheel 6 is driven by the motor 4 to rotate along a single direction, the belt wheel 6 winds a titanium cable 5 along the single direction, the length of the titanium cable 5 wound on the belt wheel 6 is 0.25mm each time the belt wheel 6 rotates, the active bone block at the cutting end can be pulled by the titanium cable 5 to move to the far end by 0.25mm, the axis of the motor 4 can be automatically locked after the rotation is completed each time, the titanium cable 5 intermittently and rhythmically rotates four times every day, the active bone block at the cutting end can be pulled by the titanium cable 5 to move to a receiving end by 1mm, and the device drives the belt wheel 6 to wind the titanium cable 5, the, The active bone block at the cut end is pulled rhythmically, so that bone movement and osteogenesis are realized.
Claims (1)
1. An in vivo extramedullary bone mover, characterized in that: the device comprises a main body (1), a sliding block (2), a locking screw (3), a motor (4), a titanium cable (5), a belt wheel (6), a battery (7), a wireless receiving device (8), a power receiving device (9), a wireless charging base (10) and a wireless remote controller (80);
the bone fracture plate is characterized in that a plurality of locking threaded holes (11) are respectively formed in two ends of the main body (1), locking screws (3) are screwed in the locking threaded holes (11), two ends of the main body (1) are fixed at two ends of a bone defect area in a bridging mode through the locking screws (3), a groove (12) is formed in the middle of the main body (1), sliding grooves (13) are formed in the main bodies on two sides of the groove (12), bosses (20) on two sides of the sliding block (2) are placed in the sliding grooves (13), the sliding block (2) slides along the sliding grooves (13), and the upper surface and the lower surface of the sliding block (2) are not higher than the upper surface and; a locking threaded hole (11) and a through hole (21) are formed in the sliding block (2); the osteotomy end is fixed on the sliding block (2) through a locking screw (3), the motor (4) is arranged at the lower end of the main body (1), the output end of the motor (4) is provided with a belt wheel (6), the belt wheel (6) is arranged in a groove (12) at the lower end of the main body (1), the upper surface of the belt wheel (6) is lower than the upper surface of the main body (1), the titanium cable (5) passes through a through hole (21) on the sliding block (2) and extends along the inside of the groove (12), and two ends of the titanium cable are respectively fixed on the belt wheel (6), the motor (4) is connected with a battery (7) through a wireless receiving device (8), the upper end of the battery (7) is connected with a power receiving device (9), the power receiving device (9) supplies power to the battery (7), the wireless charging base (10) transmits external electric energy to the power receiving device (9), and a wireless remote controller (80) transmits signals to the wireless receiving device (8); when the active bone block is pulled, the belt wheel (6) is driven by the motor (4) to rotate along a single direction, the belt wheel (6) winds the titanium cable (5) along the single direction, the titanium cable (5) can pull the active bone block at the cut end to move to the far end by 0.25mm when the belt wheel (6) rotates once, the axis of the motor (4) can be automatically locked after the rotation is finished, the active bone block rotates four times intermittently and rhythmically every day, the titanium cable (5) can pull the active bone block at the cut end to move to the receiving end by 1mm, and the bone movement and the bone formation are realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810646928.5A CN108742816B (en) | 2018-06-22 | 2018-06-22 | Internal marrow outer bone moving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810646928.5A CN108742816B (en) | 2018-06-22 | 2018-06-22 | Internal marrow outer bone moving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108742816A CN108742816A (en) | 2018-11-06 |
| CN108742816B true CN108742816B (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810646928.5A Active CN108742816B (en) | 2018-06-22 | 2018-06-22 | Internal marrow outer bone moving device |
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| Country | Link |
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| CN (1) | CN108742816B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109965957A (en) * | 2019-05-10 | 2019-07-05 | 张纯朴 | A kind of Limb lengthening, bone move, bone malformation corrector and its application method |
| CN111053604A (en) * | 2020-01-03 | 2020-04-24 | 广西西斯达生物科技有限公司 | Digital automatic device for tibia transverse bone moving technology treatment |
| CN111297457A (en) * | 2020-03-30 | 2020-06-19 | 海城市正骨医院 | Relay type bone moving device based on gear power and using method |
| CN113017809A (en) * | 2021-03-02 | 2021-06-25 | 庞全瑭 | Orthopaedic nail reduction and locking device |
| CN114617624B (en) * | 2022-03-09 | 2023-05-23 | 四川大学华西医院 | Lifting and resetting auxiliary device for femoral shaft fracture operation |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110118501A (en) * | 2010-04-23 | 2011-10-31 | 연세대학교 산학협력단 | Bone distractor with wire |
| CN104224298A (en) * | 2014-09-02 | 2014-12-24 | 苏州爱脊康生物科技有限公司 | Locking and pressurizing bone setting plate with slideable sliding blocks |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7601156B2 (en) * | 2001-12-05 | 2009-10-13 | Randolph C. Robinson | Limb lengthener |
| US20050234448A1 (en) * | 2004-03-19 | 2005-10-20 | Mccarthy James | Implantable bone-lengthening device |
| IT1391222B1 (en) * | 2008-09-11 | 2011-12-01 | Orthofix Srl | ORTHOPEDIC DEVICE TO BE ASSOCIATED WITH A BONE |
| WO2015054630A1 (en) * | 2013-10-11 | 2015-04-16 | Ellipse Technologies, Inc. | Methods and apparatus for bone reshaping |
| CN209018911U (en) * | 2018-06-22 | 2019-06-25 | 吉林大学 | A kind of internal marrow dermoskeleton Conveyer |
-
2018
- 2018-06-22 CN CN201810646928.5A patent/CN108742816B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110118501A (en) * | 2010-04-23 | 2011-10-31 | 연세대학교 산학협력단 | Bone distractor with wire |
| CN104224298A (en) * | 2014-09-02 | 2014-12-24 | 苏州爱脊康生物科技有限公司 | Locking and pressurizing bone setting plate with slideable sliding blocks |
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| Publication number | Publication date |
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| CN108742816A (en) | 2018-11-06 |
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