CN108309418B - A kind of Magnetic force tracting device - Google Patents
A kind of Magnetic force tracting device Download PDFInfo
- Publication number
- CN108309418B CN108309418B CN201810117259.2A CN201810117259A CN108309418B CN 108309418 B CN108309418 B CN 108309418B CN 201810117259 A CN201810117259 A CN 201810117259A CN 108309418 B CN108309418 B CN 108309418B
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- snap ring
- electromagnet
- magnetic force
- rod
- force tracting
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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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/62—Ring frames, i.e. devices extending around the bones to be positioned
-
- 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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/645—Devices extending alongside the bones to be positioned comprising a framework
-
- 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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6491—Devices extending alongside the bones to be positioned allowing small-scale motion of bone ends
-
- 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
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention belongs to technical field of medical equipment, relate generally to a kind of Magnetic force tracting device, including the im rod being set in bone cavity, and the intramedullary nail that bone and im rod is fixed, Magnetic force tracting device both ends are equipped with the first snap ring and the second snap ring, first snap ring and second snap ring one end are hinged, the other end is equipped with fixed otic placode, connecting hole is offered on the fixed otic placode, first snap ring and the second snap ring lateral wall radially offer tapped through hole, adjusting screw rod is equipped in the tapped through hole, flexural pivot has positioning card to the adjusting screw rod in annulus where the first snap ring, outer diameter equal cylinder guide rod and threaded guide rod are connected between first snap ring at Magnetic force tracting device both ends, between second snap ring, it mitigates the problem of burden of patients avoids puncturing hole infection simultaneously, it draws more convenient, and Do not easily cause sense of discomfort.
Description
Technical field
The invention belongs to technical field of medical equipment, and in particular to a kind of Magnetic force tracting device.
Background technique
Intramedullary nail is a kind of inner fixing device that human bone marrow is intracavitary, treats the common medical instrument of fracture.Intramedullary nail is
The long bone after fracture is connected by intramedullary nail body and pinning in ossis, having makes sclerite contraposition pair
Line, it is fixed, the function of certain gravity is supported, with sharp growth of spur union.And intramedullary nail is difficult when in big section of defect of bone
To play good fixed function, and do not have the ability of skeletal traction, generally requires to use bone to move and be fixed from outside
Each segment of bone carries out minimally invasive osteotomy, is slowly pulled daily at one end, with the original bone defect of newly long Bone Defect Repari,
But pinprick is more to be easy to appear infection, while bone is moved and is fixed on patient body-surface and is affected to patient's daily life, is easy
Making patients' physical and mental burden is unfavorable for rehabilitation medical.It is traditional draw intramedullary nail and be connected through a screw thread mode make fixed traction,
It needs to draw bone by force when adjusting, patient is made to be easy to appear sense of discomfort, while adjusting more inconvenience.
Summary of the invention
The problem of mentioning in technology based on the above background, the present invention provides a kind of Magnetic force tracting devices, it mitigates patient
The problem of bearing while avoiding puncturing hole infection, traction is more convenient, and does not easily cause sense of discomfort.
The technical solution adopted by the invention is as follows:
A kind of Magnetic force tracting device, including the im rod being set in bone cavity and the marrow that bone and im rod is fixed
Interior nail, Magnetic force tracting device both ends are equipped with the first snap ring and the second snap ring, first snap ring and second snap ring one end
Hingedly, the other end is equipped with fixed otic placode, and connecting hole, first snap ring and the second snap ring are offered on the fixed otic placode
Lateral wall radially offers tapped through hole, is equipped with adjusting screw rod in the tapped through hole, the adjusting screw rod is in the first snap ring
Flexural pivot has positioning card in the annulus of place, and the equal cylinder of outer diameter is connected between first snap ring at Magnetic force tracting device both ends
Guide rod and threaded guide rod are equipped with the first electromagnet, institute in sliding sleeve on cylinder guide rod and threaded guide rod between first snap ring
It states and is connected with two cylinder guide rods between second snap ring at Magnetic force tracting device both ends, in two cylinders between second snap ring
Sliding sleeve is equipped with the second electromagnet on guide rod, and first electromagnet and the second electromagnet are respectively connected with the pulse power.
It further limits, first electromagnet and the second electromagnet are semi-annular shape structure, first electromagnet
Both ends be equipped with rectangular preiection, the both ends of second electromagnet are equipped with rectangular recess, the width dimensions etc. of the rectangular preiection
It is less than the length dimension of rectangular recess in the width dimensions of rectangular recess, the length dimension of rectangular preiection.
It further limits, regulating mechanism is bolted on the threaded guide rod, the regulating mechanism includes adjusting ring, connecting column
And connection ring, the adjusting annulate shaft pass through to the threaded hole to match with threaded guide rod, the adjusting ring is offered with connection ring
Connecting column is fixedly connected, and the connection ring section is circle, and the first electromagnet right end is opened up in regulating mechanism corresponding position
There is the link slot to match with connection ring, circular arc where the connection channel section cell wall is minor arc.
It further limits, cylinder guide rod surface is equipped with length scale.
It further limits, the hinged one end of the first snap ring is equipped with hinged fixture block, and described hinged one end of second snap ring is equipped with two pieces
Hinged otic placode, the hinged fixture block are arranged between hinged otic placode and by hinged column articulated, fixed ears on second snap ring
The connecting hole inner wall of plate is axially arranged with connecting pin, and the connecting pin, which is pierced by the first snap ring, fixes otic placode one end equipped with ball head column
Plug, the connecting hole of first snap ring are rounded structure close to the second snap ring place open at one end.
A kind of traction method of Magnetic force tracting device in the present invention, comprising the following steps:
A, Medullary fixation: im rod is penetrated in bone cavity, is located at im rod both ends in the knochenbruch at both ends, is then led to
It crosses intramedullary nail and the knochenbruch at im rod both ends is fixed with im rod both ends respectively, then im rod one end knochenbruch is carried out micro-
Wound osteotomy forms traction bone and traction magnetic patch is fixed in traction bone；
B, timing is drawn: by being connected with Power supply timer between first the second electromagnet of electromagnet and power supply, being controlled
The work in stipulated time section of first electromagnet and the second electromagnet；
C, concussion traction: the series pulse power supply between the first electromagnet, the second electromagnet and time switch passes through pulse
Power supply forms pulse current, and making the power of the first electromagnet and the magnetic field strength of the second electromagnet is in alternately to change, and then right
The traction magnetic patch for being fixed on bones forms the gravitation of variation, realizes that the concussion to bone is drawn, osteotomy area is made to grow new bone.
It further limits, the power parameter of the pulse power described in step c are as follows: in a T, the width carved at the beginning
Value is 20V, and it is 20V at the T moment that the amplitude at T moment, which is 24V, is 16V in the amplitude at T moment, is 20V at the 1T moment.
It is that the present invention has the utility model has the advantages that
1, traction magnetic patch fixed in osteotomy is pulled by forming magnetic field in external electromagnet, guidance osteotomy area is new
The growth of bone, disassembly is easy for installation, and patient is facilitated to use；
2, Magnetic force tracting device is set to external and is not required to puncture injected organism tissue, mitigates burden of patients and avoids simultaneously
The problem of puncturing hole infection；
3, by Power supply timer can unrestricted choice use time have reached better traction effect；
4, electromagnet connects the pulse power, is in the magnetic field strength of electromagnet by the pulse current that the pulse power is formed
Variable condition, and then electromagnet is made to be in variable condition to the tractive force of traction magnetic patch, enhance stimulation of the tractive force to osteotomy area
Effect is to improve traction effect；
5, the position of positioning card is adjusted by changing the penetration depth of adjusting screw rod, eliminates individual difference to using
The influence of demand, and then cooperate the use of different crowd；
6, cylinder guide rod is equipped with length marking, is bolted with the regulating mechanism being connected with electromagnet on threaded guide rod, passes through
The position for rotating the changeable electromagnet of regulating mechanism, is adjusted, into one according to position of the new bone growth situation to electromagnet
Step improves traction effect.
Detailed description of the invention
The present invention can be further illustrated by the nonlimiting examples that attached drawing provides:
Fig. 1 is a kind of structural schematic diagram of Magnetic force tracting Installation practice of the present invention；
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A；
Fig. 3 is the structural schematic diagram of unfolded state in a kind of Magnetic force tracting Installation practice of the present invention；
Fig. 4 is the structural schematic diagram of solenoid part element in a kind of Magnetic force tracting Installation practice of the present invention；
Fig. 5 is the partial structural diagram of solenoid part element in a kind of Magnetic force tracting Installation practice of the present invention
Fig. 6 is the enlarged structure schematic diagram in Fig. 5 at C；
Main element symbol description is as follows:
First snap ring 11, connecting pin 121, bulb plunger 122, adjusting screw rod 13, positioning card 14, is fixed second snap ring 12
Otic placode 15, connecting hole 16, hinged fixture block 17, hinged otic placode 18, the first electromagnet 21, the second electromagnet 22, via hole 23, link slot
24, cylinder guide rod 3, threaded guide rod 4, regulating mechanism 5, adjusting ring 51, connection ring 52, connecting column 53, threaded hole 54.
Specific embodiment
In order to make those skilled in the art that the present invention may be better understood, with reference to the accompanying drawings and examples to this hair
Bright technical solution further illustrates.
Embodiment
As shown in figs. 1 to 6, a kind of Magnetic force tracting device, including the im rod that is set in bone cavity and by bone and marrow
The fixed intramedullary nail of interior bar, Magnetic force tracting device both ends are equipped with the first snap ring 11 and the second snap ring 12, the first snap ring 11 and the
Two snap rings, 12 one end is hinged, the other end is equipped with fixed otic placode 15, offers connecting hole 16, the first snap ring on fixed otic placode 15
11 and 12 lateral wall of the second snap ring radially offer tapped through hole, adjusting screw rod 13, adjusting screw rod 13 are equipped in tapped through hole
There is positioning card 14 in flexural pivot in 11 place annulus of the first snap ring, is connected between first snap ring 11 at Magnetic force tracting device both ends outer
Diameter equal cylinder guide rod 3 and threaded guide rod 4 are equipped between first snap ring 11 in sliding sleeve on cylinder guide rod 3 and threaded guide rod 4
First electromagnet 21, is connected with two cylinder guide rods 3 between second snap ring 12 at Magnetic force tracting device both ends, the second snap ring 12 it
Between in sliding sleeve on two cylinder guide rods 3 be equipped with the second electromagnet 22, the second electromagnet 22 be equipped with cylinder guide rod 3 it is matched
Via hole 23, the first electromagnet 21 and the second electromagnet 22 are respectively connected with the pulse power, and such structure design is drawn
When traction device is fixed outside the patient's body, providing pulse current by the pulse power is the first electromagnet 21 and the second electromagnet
22 power supplies generate variation magnetic field by pulse current, complete drawing the drawing of knochenbruch by the traction to traction magnetic patch
Osteotomy is stimulated by the tractive force of fluctuation in journey, to promote osteotomy area new bone growth.
Using steps are as follows in the present embodiment:
1, Medullary fixation: im rod is penetrated in bone cavity, is located at im rod both ends in the knochenbruch at both ends, is then led to
It crosses intramedullary nail and the knochenbruch at im rod both ends is fixed with im rod both ends respectively, then im rod one end knochenbruch is carried out micro-
Wound osteotomy forms traction bone and traction magnetic patch is fixed in traction bone；
2, timing is drawn: by being connected with Power supply timer between 21 second electromagnet 22 of the first electromagnet and power supply,
Control the work in stipulated time section of the first electromagnet 21 and the second electromagnet 22；
3, concussion traction: the series pulse power supply between the first electromagnet 21, the second electromagnet 22 and time switch passes through
The pulse power forms pulse current, and making the power of the first electromagnet 21 and the magnetic field strength of the second electromagnet 22 is in alternately to become
Change, and then form the gravitation of variation to the traction magnetic patch for being fixed on bones, realizes that the concussion to bone is drawn, make osteotomy area
Grow new bone.
It is preferred that in step c the pulse power power parameter are as follows: in a T, the amplitude carved at the beginning is 20V, T
The amplitude at moment is 24V, is 20V at the T moment, is 16V in the amplitude at T moment, is 20 at the 1T moment.
It is preferred that the first electromagnet 21 and the second electromagnet 22 are semi-annular shape structure, the both ends of the first electromagnet 21 are set
There is rectangular preiection, the both ends of the second electromagnet 22 are equipped with rectangular recess, and the width dimensions of rectangular preiection are equal to the width of rectangular recess
Length dimension of the length dimension less than rectangular recess of degree size, rectangular preiection, such structure design, in use just
It cooperates, is easily installed in the first electromagnet 21 and the second electromagnet 22.
It is preferred that being bolted with regulating mechanism 5 on threaded guide rod 4, regulating mechanism 5 includes adjusting ring 51, connecting column 53 and connection
Ring 52 adjusts ring 51 and axially offers the threaded hole 54 to match with threaded guide rod 4, and adjusting ring 51 passes through with connection ring 52 to be connect
Column 53 is fixedly connected, and 52 section of connection ring is circle, and 21 right end of the first electromagnet offers and connects in 5 corresponding position of regulating mechanism
The link slot 24 that ring 52 matches is connect, circular arc where 24 section cell wall of link slot is minor arc, and such structure design passes through rotation
Adjusting ring 51 makes adjusting ring 51, and threadingly the sliding of guide rod 4 can drive the first electromagnet 21 and the second electromagnet 22 mobile, simplify
Easy to operate use.
It is preferred that 3 surface of cylinder guide rod is equipped with length scale, the design of such structure is adjusting the first electromagnet 21 and the
When two electromagnet 22, using length scale as reference so that degree of regulation is more preferable.
It is preferred that the hinged one end of the first snap ring 11 is equipped with hinged fixture block 17, the hinged one end of the second snap ring 12 is equipped with two pieces hingedly
Otic placode 18, hinged fixture block 17 are arranged between hinged otic placode 18 and pass through hinge column 19 hingedly, fix otic placode on the second snap ring 12
15 16 inner wall of connecting hole is axially arranged with connecting pin 121, and connecting pin 121, which is pierced by the first snap ring 11, to be fixed 15 one end of otic placode and be equipped with
Bulb plunger 122, the connecting hole 16 of the first snap ring 11 are rounded structure, such structure close to the place open at one end of the second snap ring 12
Design, the first snap ring 11 and the second snap ring 12 can directly carry out snapping during the installation process, and pressing bulb plunger 122 will when disassembly
First snap ring 11 and the second snap ring 12 are pulled to both ends can be completed separation, and easy to use, practicability is preferable.
A kind of Magnetic force tracting device provided by the invention is described in detail above.The explanation of specific embodiment is
It is used to help understand method and its core concept of the invention.It should be pointed out that coming for those skilled in the art
It says, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improvement and modification
It also falls within the protection scope of the claims of the present invention.
Claims (7)
1. a kind of Magnetic force tracting device, including in the im rod being set in bone cavity and the marrow for fixing bone with im rod
Nail, it is characterised in that: Magnetic force tracting device both ends are equipped with the first snap ring (11) and the second snap ring (12), first card
Ring (11) and the second snap ring (12) one end are hinged, the other end is equipped with fixed otic placode (15), open on the fixed otic placode (15)
Equipped with connecting hole (16), first snap ring (11) and the second snap ring (12) lateral wall radially offer tapped through hole, described
Adjusting screw rod (13) are equipped in tapped through hole, flexural pivot has positioning to the adjusting screw rod (13) in annulus where the first snap ring (11)
Block (14), is connected with outer diameter equal cylinder guide rod (3) and spiral shell between first snap ring (11) at Magnetic force tracting device both ends
Line guide rod (4) is equipped with the first electromagnetism in sliding sleeve on cylinder guide rod (3) and threaded guide rod (4) between first snap ring (11)
Iron (21) is connected with two cylinder guide rods (3), second card between second snap ring (12) at Magnetic force tracting device both ends
The second electromagnet (22) are equipped in sliding sleeve on two cylinder guide rods (3) between ring (12), first electromagnet (21) and the
Two electromagnet (22) are respectively connected with the pulse power, and the Magnetic force tracting device further includes setting traction magnetic patch, the traction magnetic patch with
There is a natural attraction between the sexes for first electromagnet (21) and the second electromagnet (22).
2. a kind of Magnetic force tracting device according to claim 1, it is characterised in that: first electromagnet (21) and second
Electromagnet (22) is semi-annular shape structure, and the both ends of first electromagnet (21) are equipped with rectangular preiection, second electromagnetism
The both ends of iron (22) are equipped with rectangular recess, and width dimensions, the rectangle that the width dimensions of the rectangular preiection are equal to rectangular recess are convex
The length dimension risen is less than the length dimension of rectangular recess.
3. a kind of Magnetic force tracting device according to claim 2, it is characterised in that: be bolted on the threaded guide rod (4)
Regulating mechanism (5), the regulating mechanism (5) include adjusting ring (51), connecting column (53) and connection ring (52), the adjusting ring
(51) axial to offer the threaded hole (54) to match with threaded guide rod (4), the adjusting ring (51) passes through with connection ring (52)
Connecting column (53) is fixedly connected, and connection ring (52) section is circle, and the first electromagnet (21) right end is in regulating mechanism
(5) corresponding position offers the link slot (24) to match with connection ring (52), circle where link slot (24) the section cell wall
Arc is minor arc.
4. a kind of Magnetic force tracting device according to claim 3, it is characterised in that: cylinder guide rod (3) surface is equipped with
Length scale.
5. a kind of Magnetic force tracting device according to claim 4, it is characterised in that: fixed ear on second snap ring (12)
Connecting hole (16) inner wall of plate (15) is axially arranged with connecting pin (121), and the connecting pin (121) is pierced by the first snap ring (11) solid
Otic placode (15) one end is determined equipped with bulb plunger (122), and the connecting hole (16) of first snap ring (11) is close to the second snap ring (12)
Place open at one end is rounded structure.
6. a kind of Magnetic force tracting device described in any one according to claim 1~5 further includes a kind of Magnetic force tracting method,
It is characterized by comprising following steps:
A, Medullary fixation: im rod is penetrated in bone cavity, is located at im rod both ends in the knochenbruch at both ends, is then passed through marrow
The knochenbruch at im rod both ends is fixed with im rod both ends interior nail respectively, then carries out minimally invasive section to im rod one end knochenbruch
Traction magnetic patch is simultaneously fixed in traction bone by bon e formation traction bone；
B, timing is drawn: by being connected with Power supply timer between (21) second electromagnet (22) of the first electromagnet and power supply,
Control the first electromagnet (21) and the second electromagnet (22) work in stipulated time section；
C, concussion traction: the series pulse power supply between the first electromagnet (21), the second electromagnet (22) and time switch passes through
The pulse power forms pulse current, makes the power of the magnetic field strength of the first electromagnet (21) and the second electromagnet (22) in alternately
Variation, and then the gravitation of variation is formed to the traction magnetic patch for being fixed on bones, realize that the concussion to bone is drawn.
7. a kind of Magnetic force tracting device according to claim 6, it is characterised in that: the pulse power described in step c
Power parameter are as follows: in a T, the amplitude carved at the beginning is 20V,The amplitude at moment is 24V,Moment is
20V,The amplitude at moment is 16V, is 20V at the 1T moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810117259.2A CN108309418B (en) | 2018-02-06 | 2018-02-06 | A kind of Magnetic force tracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810117259.2A CN108309418B (en) | 2018-02-06 | 2018-02-06 | A kind of Magnetic force tracting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108309418A CN108309418A (en) | 2018-07-24 |
| CN108309418B true CN108309418B (en) | 2019-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810117259.2A Expired - Fee Related CN108309418B (en) | 2018-02-06 | 2018-02-06 | A kind of Magnetic force tracting device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110013295A (en) * | 2019-05-15 | 2019-07-16 | 柴益民 | A kind of exterior fixing rack promoting bone uptake |
| CN111714193A (en) * | 2020-05-28 | 2020-09-29 | 广州新诚生物科技有限公司 | Orthopedic external fixation support |
| CN111714192A (en) * | 2020-05-28 | 2020-09-29 | 广州新诚生物科技有限公司 | Noninvasive orthopedics external fixation support capable of automatically adjusting bone section spacing |
| CN112643575B (en) * | 2020-12-10 | 2022-07-29 | 安徽上元家居材料股份有限公司 | Template positioning magnetic direction-adjusting lifting hand and positioning process thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5626579A (en) * | 1993-02-12 | 1997-05-06 | The Cleveland Clinic Foundation | Bone transport and lengthening system |
| CA2213558A1 (en) * | 1995-03-01 | 1996-09-06 | Harold S. Taylor | Spatial frame |
| EP1395186A1 (en) * | 2001-05-23 | 2004-03-10 | Yona Kosashvili | Magnetically-actuable intramedullary device |
| CN100518680C (en) * | 2007-03-21 | 2009-07-29 | 中国人民解放军第三军医大学第一附属医院 | Bone external fixer |
| JP5295827B2 (en) * | 2008-03-24 | 2013-09-18 | 京セラメディカル株式会社 | In vivo actuator and bone adjustment device |
| US8777947B2 (en) * | 2010-03-19 | 2014-07-15 | Smith & Nephew, Inc. | Telescoping IM nail and actuating mechanism |
| CA2962259C (en) * | 2014-05-02 | 2020-04-28 | Wright Medical Technology, Inc. | Circular fixator system and method |
| CN105726108B (en) * | 2016-01-29 | 2018-01-09 | 湖北工程学院 | A kind of bone-holder for orthopaedics Minimally Invasive Surgery |
| CN105816226A (en) * | 2016-03-11 | 2016-08-03 | 张�杰 | Intramedullary skeleton tractor |
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2018
- 2018-02-06 CN CN201810117259.2A patent/CN108309418B/en not_active Expired - Fee Related
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| CN108309418A (en) | 2018-07-24 |
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