CN109662767A - Nearly joint deformity corrects exterior fixing rack - Google Patents
Nearly joint deformity corrects exterior fixing rack Download PDFInfo
- Publication number
- CN109662767A CN109662767A CN201811600706.6A CN201811600706A CN109662767A CN 109662767 A CN109662767 A CN 109662767A CN 201811600706 A CN201811600706 A CN 201811600706A CN 109662767 A CN109662767 A CN 109662767A
- Authority
- CN
- China
- Prior art keywords
- knitting head
- bone knitting
- spicule
- bone
- corrects
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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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
Abstract
The invention discloses nearly joint deformities to correct exterior fixing rack, including fixing seat, it can swing and be connected to swing seat, the bone knitting head unit that can be slidably connected in swing seat and the driving mechanism of fixing seat, the driving mechanism connects the swing seat and bone knitting head unit to drive bone knitting head unit to slide, the bone knitting head unit includes bone knitting head, spicule lid and interlocking mechanism, attaching has the placing groove placed for spicule, the interlocking mechanism interlocking bone knitting head and spicule lid to be located at the spicule on placing groove by bone knitting head and the fixed clamping connection of spicule lid on the bone knitting head.It has the following advantages: bone knitting head can not only pass through oscillation adjustment but also can guarantee that patient's actual conditions freely adjust when operation by slidable adjustment, and it is easy to operate, effectively solve the phenomenon that correcting dislocation offset.To be located at the spicule on placing groove by bone knitting head and the fixed clamping connection of spicule lid, interlocking is solid and reliable, easy to use for the interlocking mechanism interlocking bone knitting head and spicule lid.
Description
Technical field
The present invention relates to a kind of medical instruments more particularly to a kind of nearly joint deformity to correct exterior fixing rack.
Background technique
The external fixer of nearly joint angulation deformity, such as CN201968807U are treated at present, and one kind has adjustable and micro-
The tubular external fixing frame of dynamic device, by carrying on the back mother, spring, minor axis component, lock-screw, long axis component, gasket, mandrel, movable head
Component composition carries on the back female central through hole, and there are reticulate pattern and circular hole in outer surface；There are external screw thread and interior hexagonal hole, right end in lock-screw left end
There is step；There is screw thread in mandrel left end, and right end has threaded hole, and there are two symmetrical longitudinal grooves for right end.Surgery location is determined first, really
Determine the depth and orientation of spicule implantation, drilling penetrates spicule, installs external fixing rack, and adjustment external fixing rack is required to performing the operation.It uses
It is easy to cause dislocation when rectification and recovery in the process, patient is caused to restore bad.
Summary of the invention
The present invention provides nearly joint deformities to correct exterior fixing rack, and which overcome exterior fixing racks in background technique to be deposited
Deficiency.
The used technical solution that the present invention solves its technical problem is:
Nearly joint deformity corrects exterior fixing rack, including fixing seat, can swing and is connected to the swing seat of fixing seat, can slide
Bone knitting head unit and the driving mechanism being connected in swing seat, the driving mechanism connect the swing seat and bone knitting head unit to drive
The sliding of bone knitting head unit, which includes bone knitting head, spicule lid and interlocking mechanism, there is for spicule attaching on the bone knitting head
The placing groove of placement, the interlocking mechanism interlocking bone knitting head and spicule lid are put with being located at by bone knitting head and the fixed clamping connection of spicule lid
Set the spicule on slot.
Among one embodiment: the bone knitting head is slidably connected in swing seat, which connects the swing seat and spicule
Seat.
Among one embodiment: the driving mechanism includes leading screw and nut mechanism.
Among one embodiment: the swing seat end face is recessed with sliding slot, is convexly equipped with sliding block under the bone knitting head, and sliding block sliding connects
It connects in sliding slot；The leading screw and nut mechanism includes the internal thread hole being able to rotate set on the screw rod of swing seat and in sliding block, should
Screw rod is spirally connected the internal thread hole.
Among one embodiment: the swing seat end face is also recessed with guide groove, is also convexly equipped with guide part under the bone knitting head, this is led
It is adapted to portion and connects the guide groove.
Among one embodiment: attaching has fixture block on the bone knitting head, which is recessed with above-mentioned placing groove.
Among one embodiment: the bone knitting head is recessed with perforative mounting groove, the fixture block bottom surface up and down and is convexly equipped with extending portion, should
Extending portion periphery wall is recessed with annular groove, which protrudes into mounting groove from top to down, and attaching has O-ring on the annular groove, should
Fixture block bottom surface is supported by bone knitting head, which is supported by bone knitting head bottom surface.
Among one embodiment: the mounting groove is in strip grooves, the extending portion and strip groove width adaptation, and extending portion can be opposite
Strip grooves length direction is adjusted.
Among one embodiment: the bone knitting head is convexly equipped with two fixed parts and an interconnecting piece between two fixed parts upward,
The interconnecting piece top surface is recessed with above-mentioned placing groove.
Among one embodiment: the interconnecting piece top surface also has the mating surface positioned at placing groove two sides；The interlocking mechanism includes
Screw, the screw pass through spicule lid and interlocking in the fixed part or the mating surface.
Among one embodiment: the swing seat includes the side plate that a connecting seat and two parallel intervals are fixed in attachment base；This is solid
Reservation is concavely provided with two insertion grooves, which is inserted into respectively in two insertion groove；Another that lock-screw is arranged, which connects
It connects the fixing seat and both side plate and both side plate and fixing seat links together.
The technical program compared with the background art, it has the following advantages:
Bone knitting head can not only pass through oscillation adjustment but also can guarantee patient's actual conditions when operation by slidable adjustment
Freely adjust, it is easy to operate, effectively solve the phenomenon that correction dislocation deviates.The interlocking mechanism interlocking bone knitting head and spicule Gai Yitong
It crosses bone knitting head and spicule lid fixes the spicule that clamping connection is located on placing groove, interlocking is solid and reliable, easy to use.
Bone knitting head is recessed with perforative mounting groove, fixture block bottom surface up and down and is convexly equipped with extending portion, and extending portion periphery wall is recessed with
Mounting groove is protruded into annular groove, extending portion from top to down, and attaching has O-ring on annular groove, and fixture block bottom surface is supported by bone knitting head, O
Shape circle is supported by bone knitting head bottom surface, easy to assembly.
Mounting groove is in strip grooves, extending portion and strip groove width adaptation, and extending portion can opposite strip grooves length direction tune
Section, facilitates adjusting position.
Bone knitting head is convexly equipped with two fixed parts and an interconnecting piece between two fixed parts upward, and interconnecting piece top surface is recessed with
Above-mentioned placing groove, interconnecting piece top surface also have the mating surface positioned at placing groove two sides, and interlocking mechanism includes screw, and screw passes through
Spicule lid and interlocking are easy to assembly in the fixed part or the mating surface.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
Fig. 1 is the stereoscopic schematic diagram of the exterior fixing rack of specific embodiment.
Fig. 2 is that the exterior fixing rack of specific embodiment uses example schematic.
Fig. 3 is the diagrammatic cross-section of the exterior fixing rack of specific embodiment.
Fig. 4 is one of perspective exploded view of exterior fixing rack of specific embodiment.
Fig. 5 is the two of the perspective exploded view of the exterior fixing rack of specific embodiment.
Fig. 6 is one of exterior fixing rack correction schematic diagram of specific embodiment.
Fig. 7 is the two of the exterior fixing rack correction schematic diagram of specific embodiment.
Fig. 8 is the three of the exterior fixing rack correction schematic diagram of specific embodiment.
Specific embodiment
Nearly joint deformity corrects exterior fixing rack, please refers to Fig. 1 to Fig. 5, including fixing seat 10, can swing and be connected to fixation
The swing seat 20 of seat 10, the bone knitting head unit 30 that can be slidably connected in swing seat 20 and driving mechanism 40, the driving mechanism 40
The swing seat 20 and bone knitting head unit 30 are connected to drive bone knitting head unit 30 to slide, which includes bone knitting head
31, spicule lid 32 and interlocking mechanism 33, attaching has the placing groove 311 placed for spicule, the interlocking mechanism 33 on the bone knitting head 31
The interlocking bone knitting head 31 and spicule lid 32 are to be located at the bone on placing groove 311 by bone knitting head 31 and the fixed clamping connection of spicule lid 32
Needle.
The swing seat 20 includes the side plate 22 that a connecting seat 21 and two parallel intervals are fixed in attachment base 21；The fixing seat 10
Two insertion grooves 11 are concavely provided with, which is inserted into respectively in two insertion groove 11；It is another that lock-screw 12, the locking screw is arranged
Nail 12 connects the fixing seat 10 and both side plate 22 so that both side plate 22 and fixing seat 10 to link together, and keeps swing seat 20 opposite
Fixing seat 10 is swung.As needed, the pendulum of seat 10 whether can be fixed relatively by the elastic control swing seat 20 of lock-screw 12
It is dynamic, such as: lock-screw 12 is elastic to make insertion groove 11 clamp side plate 22, swings by the way that both stiction limitations are opposite, pine oil
Locking makes to reduce stiction there are gap or reduction active force between insertion groove and side plate, swing the two can opposite.
The bone knitting head 311 is slidably connected in swing seat 20, which connects the swing seat 20 and bone knitting head
311.In specific structure: 21 top end face of attachment base of the swing seat 20 is recessed with sliding slot 23, is convexly equipped with sliding block under the bone knitting head 31
312, which is slidably connected in sliding slot 23；The driving mechanism 40 includes leading screw and nut mechanism, the leading screw and nut mechanism packet
The screw rod 41 for being able to rotate the attachment base 21 set on swing seat 20 and the internal thread hole 42 in sliding block 312 are included, 41 spiral shell of screw rod
The internal thread hole 42 is connect, then can be slided with movable slider by rotary screw rod, bone knitting head is driven to slide with respect to swing seat, realizes bone
Needle is adjusted, easy to adjust, and degree of regulation is high, is able to achieve self-locking.Finally, 21 top end face of attachment base of the swing seat 20 is also recessed with
Guide groove 24 is also convexly equipped with guide part under the bone knitting head 31, and guide part adaptation connects the guide groove 24；It stretches 41 one end of screw rod
Out except attachment base 21, which is recessed with the control flume for tool insertion.
Attaching has two fixture blocks 34 on the bone knitting head 31, which is recessed with above-mentioned placing groove 311；The spicule
Seat 31 is recessed with perforative mounting groove 313,34 bottom surface of fixture block up and down and is convexly equipped with extending portion 341, and 341 periphery wall of extending portion is recessed
Equipped with annular groove 343, which protrudes into mounting groove 313 from top to down, and attaching has O-ring 342 on the annular groove, the folder
34 bottom surface of block is supported by bone knitting head 31, which is supported by 31 bottom surface of bone knitting head, to lock the fixture block 34 and bone knitting head
31 relative position；The mounting groove 313 is in strip grooves, the extending portion and strip groove width adaptation, and extending portion can opposite strip
Slot length direction is adjusted.
The bone knitting head 31 is convexly equipped with two fixed parts 314 and an interconnecting piece 315 between two fixed parts 314 upward, should
315 top surface of interconnecting piece is recessed with above-mentioned placing groove 311；315 top surface of interconnecting piece also has matching positioned at 311 two sides of placing groove
Conjunction face；The interlocking mechanism 33 includes screw, which passes through spicule lid and interlocking in the fixed part or the mating surface.
Fixing seat is fixed on shin bone A, oscillation adjustment bone knitting head can be not only passed through but also slidable adjustment can be passed through
The phenomenon that bone knitting head guarantees that patient's actual conditions freely adjust when operation, easy to operate, effectively solves correction dislocation offset.Tool
Body is as shown in Figure 6 to 8, and osteotomy is as shown in the A1 in figure, and spicule is as shown in the D in figure, and bone line of force A2, A3 intersects after osteotomy
At angle, bone line of force A2, A3 not on the same axis, at this time can be by that can keep A3 and A2 flat by swinging the swing seat 20
Row, the spacing between A3 and A2 are slid by bone knitting head unit 30 as shown in the C of figure, make bone line of force A2, A3 in same axis
On, realize perfect correction.As needed, which is additionally provided with angle dial B, can be straight by angle dial B
Correction angle is recognized in sight.
The above is only the preferred embodiment of the present invention, the range implemented of the present invention that therefore, it cannot be limited according to, i.e., according to
Equivalent changes and modifications made by the invention patent range and description, should still be within the scope of the present invention.
Claims (11)
1. nearly joint deformity corrects exterior fixing rack, it is characterised in that: including fixing seat, can swing and be connected to the swing of fixing seat
Seat, the bone knitting head unit that can be slidably connected in swing seat and driving mechanism, the driving mechanism connect the swing seat and bone knitting head
For unit to drive bone knitting head unit to slide, which includes bone knitting head, spicule lid and interlocking mechanism, is filled on the bone knitting head
It is connected to the placing groove placed for spicule, the interlocking mechanism interlocking bone knitting head and spicule lid by bone knitting head and spicule lid to fix
Clamping connection is located at the spicule on placing groove.
2. nearly joint deformity according to claim 1 corrects exterior fixing rack, it is characterised in that: the bone knitting head is slidably connected
In swing seat, which connects the swing seat and bone knitting head.
3. nearly joint deformity according to claim 2 corrects exterior fixing rack, it is characterised in that: the driving mechanism includes silk
Stem nut mechanism.
4. nearly joint deformity according to claim 3 corrects exterior fixing rack, it is characterised in that: the swing seat end face is recessed
There is sliding slot, be convexly equipped with sliding block under the bone knitting head, which is slidably connected in sliding slot；The leading screw and nut mechanism includes being able to rotate to set
In the screw rod of swing seat and the internal thread hole in sliding block, which is spirally connected the internal thread hole.
5. nearly joint deformity according to claim 4 corrects exterior fixing rack, it is characterised in that: the swing seat end face is also recessed
Equipped with guide groove, it is also convexly equipped with guide part under the bone knitting head, guide part adaptation connects the guide groove.
6. nearly joint deformity described according to claim 1 or 2 or 3 or 4 or 5 corrects exterior fixing rack, it is characterised in that: the bone
Attaching has fixture block on needle stand, which is recessed with above-mentioned placing groove.
7. nearly joint deformity according to claim 6 corrects exterior fixing rack, it is characterised in that: the bone knitting head is recessed with
Under perforative mounting groove, which is convexly equipped with extending portion, which is recessed with annular groove, and the extending portion is from upper
Mounting groove is protruded into down, and attaching has O-ring on the annular groove, which is supported by bone knitting head, which is supported by bone
Needle stand bottom surface.
8. nearly joint deformity according to claim 7 corrects exterior fixing rack, it is characterised in that: the mounting groove is in strip
Slot, the extending portion and strip groove width adaptation, and extending portion can opposite strip grooves length direction adjusting.
9. nearly joint deformity described according to claim 1 or 2 or 3 or 4 or 5 corrects exterior fixing rack, it is characterised in that: the bone
Needle stand is convexly equipped with two fixed parts and an interconnecting piece between two fixed parts upward, which is recessed with above-mentioned put
Set slot.
10. nearly joint deformity according to claim 9 corrects exterior fixing rack, it is characterised in that: the interconnecting piece top surface is also
With the mating surface for being located at placing groove two sides；The interlocking mechanism includes screw, which passes through spicule lid and interlocking and fix at this
Portion or the mating surface.
11. nearly joint deformity described according to claim 1 or 2 or 3 or 4 or 5 corrects exterior fixing rack, it is characterised in that: should
Swing seat includes the side plate that a connecting seat and two parallel intervals are fixed in attachment base；The fixing seat is concavely provided with two insertion grooves, should
Both side plate is inserted into respectively in two insertion groove；Another that lock-screw is arranged, which connects the fixing seat and both side plate and will
Both side plate and fixing seat link together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811600706.6A CN109662767B (en) | 2018-12-26 | 2018-12-26 | Near joint deformity correction external fixation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811600706.6A CN109662767B (en) | 2018-12-26 | 2018-12-26 | Near joint deformity correction external fixation support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109662767A true CN109662767A (en) | 2019-04-23 |
| CN109662767B CN109662767B (en) | 2020-07-03 |
Family
ID=66147036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811600706.6A Active CN109662767B (en) | 2018-12-26 | 2018-12-26 | Near joint deformity correction external fixation support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109662767B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075996A (en) * | 2020-09-14 | 2020-12-15 | 刘继坤 | Positioning and locking device for orthopedic surgery |
| CN113855271A (en) * | 2021-09-28 | 2021-12-31 | 北京市春立正达医疗器械股份有限公司 | Tibia marrow external force line adjusting device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2058600U (en) * | 1989-07-17 | 1990-06-27 | 西安市红十字会医院 | Multi-functional fixing device for reduction of the fracture |
| CN1132067A (en) * | 1995-01-06 | 1996-10-02 | 小罗伯特·E·布思 | Instrumentation for use in orthopaedic surgery |
| US6102911A (en) * | 1997-02-13 | 2000-08-15 | Orthofix S.R.L. | Orthopaedic apparatus, particularly for the surgical correction of bone deformities |
| CN101262826A (en) * | 2005-09-15 | 2008-09-10 | Mikai股份公司 | Apparatus for treating malformative and traumatic conditions affecting the knee area |
| CN106691556A (en) * | 2016-11-18 | 2017-05-24 | 周海东 | Multi-azimuth reduction external fixator for bone fracture |
-
2018
- 2018-12-26 CN CN201811600706.6A patent/CN109662767B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2058600U (en) * | 1989-07-17 | 1990-06-27 | 西安市红十字会医院 | Multi-functional fixing device for reduction of the fracture |
| CN1132067A (en) * | 1995-01-06 | 1996-10-02 | 小罗伯特·E·布思 | Instrumentation for use in orthopaedic surgery |
| US6102911A (en) * | 1997-02-13 | 2000-08-15 | Orthofix S.R.L. | Orthopaedic apparatus, particularly for the surgical correction of bone deformities |
| CN101262826A (en) * | 2005-09-15 | 2008-09-10 | Mikai股份公司 | Apparatus for treating malformative and traumatic conditions affecting the knee area |
| CN106691556A (en) * | 2016-11-18 | 2017-05-24 | 周海东 | Multi-azimuth reduction external fixator for bone fracture |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075996A (en) * | 2020-09-14 | 2020-12-15 | 刘继坤 | Positioning and locking device for orthopedic surgery |
| CN112075996B (en) * | 2020-09-14 | 2021-08-06 | 杭州键嘉机器人有限公司 | Positioning and locking device for orthopedic surgery |
| CN113855271A (en) * | 2021-09-28 | 2021-12-31 | 北京市春立正达医疗器械股份有限公司 | Tibia marrow external force line adjusting device |
| CN113855271B (en) * | 2021-09-28 | 2023-06-30 | 北京市春立正达医疗器械股份有限公司 | Tibia extramedullary force line adjusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109662767B (en) | 2020-07-03 |
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