CN107184261A - A kind of femur resets and adjuster - Google Patents
A kind of femur resets and adjuster Download PDFInfo
- Publication number
- CN107184261A CN107184261A CN201710537677.2A CN201710537677A CN107184261A CN 107184261 A CN107184261 A CN 107184261A CN 201710537677 A CN201710537677 A CN 201710537677A CN 107184261 A CN107184261 A CN 107184261A
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- 210000000689 upper leg Anatomy 0.000 title claims abstract description 122
- 238000000338 in vitro Methods 0.000 claims abstract description 49
- 238000009434 installation Methods 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 8
- 210000000988 bone and bone Anatomy 0.000 description 6
- 238000001727 in vivo Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010001488 Aggression Diseases 0.000 description 1
- 206010068052 Mosaicism Diseases 0.000 description 1
- 208000006735 Periostitis Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 230000001338 necrotic effect Effects 0.000 description 1
- 210000003460 periosteum Anatomy 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- A61B17/60—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
- A61B17/66—Alignment, compression or distraction mechanisms
-
- 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
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
-
- 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
Resetted the invention discloses a kind of femur and adjuster, Ligation in vitro plate and fixture including the internal fixed pin for being fixedly connected with femur, for setting internal fixed pin, internal fixed pin for connecting femur upper segment and femoral inferior segment respectively is at least one, and internal fixed pin can adjust by fixture and be securable to Ligation in vitro plate.At least one internal fixed pin is respectively fixedly connected with femoral inferior segment in femur upper segment when using, the shift in position of femur upper segment or femoral inferior segment is driven by the position of adjusting body Internal fixation pin, align two sections femur, internal fixed pin is fixed on Ligation in vitro plate by fixture again, to realize that femur resets；The later stage is resetted, femur reset case is observed by X-ray, when two sections femur has deviation, the adjustment of two sections femur locations is realized by the relative position of adjusting body Internal fixation pin, the two sections of femur are made to align completely, so as to correct femur reset, it is to avoid femur malunion.
Description
Technical field
The present invention relates to technical field of medical instruments, resetted more specifically to a kind of femur and adjuster.
Background technology
Femur is tubular bone most long in human body, in the presence of automobile impacting, weight pound the powerful violences such as pressure or spreading
Or by high falling etc., fracture of femoral shaft can be caused.
When femoral shaft is fractured, existing operative treatment mainly has Intramedullary nailing and bone plate screw to fix.
Intramedullary nailing be usually used on femur 1/3 or in upper 1/3 fracture, the fixing means uses minimal invasive techniques, only wearing
Make small otch at pin, the small, bleeding of damage is few, and the blood supply of fracture end is not destroyed, is conducive to union.But the fixation later stage
Reset result can not be finely tuned, so that reset effect can not be controlled.
Bone plate screw fix be commonly available in femur 1/3 or in lower 1/3 fracture, the fixing means needs large area
Open reduction, peels off soft tissue and periosteum, destruction blood fortune, so as to increase necrotic area, postpones healing time, and the later stage can not be right
Femur, which resets, to be corrected, and in the event of dislocation is resetted, there is the hidden danger for causing deformity or shortening Leg length.
In summary, how to provide it is a kind of can realize it is minimally invasive reset and reset the later stage can be finely adjusted correction femur answer
Position and adjuster, are current those skilled in the art's urgent problems to be solved.
The content of the invention
In view of this, resetted and adjuster it is an object of the invention to provide a kind of femur, the femur resets to be adopted with adjuster
With minimally invasive resetting technique reach reset femur effect, and after the reset the phase correction can be finely adjusted to femur, to be optimal
Reset.
To achieve these goals, the present invention provides following technical scheme：
A kind of femur resets and adjuster, including：
For the internal fixed pin being fixedly connected with femur, the internal fixed pin and connection for connecting femur upper segment
The internal fixed pin of femoral inferior segment is at least one；
Ligation in vitro plate for setting the internal fixed pin, the internal fixed pin can adjust by fixture and can
It is fixedly connected to the Ligation in vitro plate.
Preferably, one end of the internal fixed pin is provided with the outer spiral shell for being used for being connected with the screwed hole of the femur
Line.
Preferably, it is at least two for connecting the internal fixed pin of the femur upper segment, for connecting the stock
The internal fixed pin of bone hypomere is at least two, and all internal fixed pins and the tie point of the Ligation in vitro plate
In same straight line.
Preferably, the fixture includes gripping block and can adjust and can regularly be located at consolidating on the Ligation in vitro plate
Fixed board, the gripping block is used to be matched for clamping tightly the internal fixed pin with the fixed plate.
Preferably, the fixed plate includes the first fixed plate and the second fixed plate, and first fixed plate is fixedly mounted on
One end of the Ligation in vitro plate, second fixed plate is removable and can be fixedly mounted on the Ligation in vitro plate.
Preferably, the Ligation in vitro plate is movably disposed at described provided with conduit, second fixed plate is installed
Install on conduit；Second fixed plate is provided with connecting hole, and second fixed plate through described by installing conduit and institute
The first nut stated the bolt of connecting hole and be engaged with the bolt is fixed on the Ligation in vitro plate.
Preferably, the gripping block, which is provided with, is used for the V-groove or C-shaped channel of internal fixed pin described in clamping.
Preferably, the gripping block be provided with threaded rod, the gripping block by the threaded rod and with the threaded rod phase
The second nut coordinated is fixed in the fixed plate.
Preferably, the fixed plate is provided with screwed hole, the screwed hole and is rotary with what is released for preventing the gripping block
Locking bolt.
Preferably, the scale for conveniently expressing the internal fixed pin adjustment angle is carved with the surface of the fixed plate.
Femur that the present invention is provided resets and adjuster, including for be fixedly connected with femur internal fixed pin, be used for
The Ligation in vitro plate and fixture of internal fixed pin are set, the internal fixed pin for connecting femur upper segment and femoral inferior segment respectively
It is at least one, internal fixed pin can adjust by fixture and be securable to Ligation in vitro plate.
Using such structure, when in use, at least one is fixedly connected with femoral inferior segment in vivo in femur upper segment respectively
Fixed pin, the shift in position of femur upper segment or femoral inferior segment is driven by the position of adjusting body Internal fixation pin, so that up and down two
Section femur is aligned, then internal fixed pin is fixed on Ligation in vitro plate by fixture, to realize that femur resets；After the reset
Phase, the reset case of femur is observed by X-ray, when the docking for finding two sections femur, which resets, there is deviation, can passed through
The relative position of adjusting body Internal fixation pin realizes the adjustment to the position of two sections femur, makes the two sections of femur completely right
Just, the effect that correction femur resets is played, to avoid the malunion of femur.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is femur provided by the present invention reset and the front view of adjuster specific embodiment；
Fig. 2 is femur provided by the present invention reset and the top view of adjuster specific embodiment；
Fig. 3 is that femur provided by the present invention resets and the structural representation of fixed pin in vivo in adjuster specific embodiment
Figure；
Fig. 4 is femur provided by the present invention reset and the structural representation of Ligation in vitro plate in adjuster specific embodiment
Figure；
Fig. 5 is femur provided by the present invention reset and the structural representation of latch segment in adjuster specific embodiment；
Fig. 6 is femur provided by the present invention reset and the signal of clamping body Internal fixation pin in adjuster specific embodiment
Figure；
Fig. 7 is that femur provided by the present invention resets the knot that gripping block is locked with locking bolt in adjuster specific embodiment
Structure schematic diagram；
Fig. 8 is femur provided by the present invention reset and the top view of fixed plate in adjuster specific embodiment.
In Fig. 1-8：
1 it is femur, 2 be internal fixed pin, 3 be Ligation in vitro plate, 4 be fixed plate, 5 be gripping block, 6 be bolt, 7 is
One nut, 8 be the second nut, 9 be locking bolt, 11 be femur upper segment, 12 be femoral inferior segment, 21 be external screw thread, 31 be installation
Conduit, 41 be scale, 51 be V-groove, 52 be threaded rod.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The core of the present invention is to provide a kind of femur and resetted and adjuster, and the femur resets to be resetted with adjuster using minimally invasive
Technology reach reset femur effect, and after the reset the phase correction can be finely adjusted to femur, to be optimal reset.
Fig. 1 to Fig. 8 is refer to, Fig. 1 to Fig. 8 resets attached with adjuster specific embodiment for femur provided by the present invention
Figure.
The femur that the present invention is provided, which resets, to be included the internal fixed pin 2 for being fixedly connected with femur 1 with adjuster and uses
In the Ligation in vitro plate 3 for setting internal fixed pin 2, internal fixed pin 2 and connection femoral inferior segment for connecting femur upper segment 11
12 internal fixed pin 2 is at least one, and internal fixed pin 2 can adjust by fixture and can be fixedly connected to connect in vitro
Fishplate bar 3.
Specifically, internal fixed pin 2 is fractured for minimally-invasive treatment femur 1, and the otch of minimal invasive techniques is smaller, with as far as possible
Reduce the destruction of the local blood fortune of fracture.Internal fixed pin 2 is used to insert in femur 1 by mini-incision, and fixes company with femur 1
Connect, to fix, adjust the position of femur 1 by internal fixed pin 2.
In use, fixed pin 2 inserts femur upper segment 11 and femoral inferior segment 12 respectively in vivo, for inserting femur upper segment 11 simultaneously
The number for the internal fixed pin 2 being fixedly connected with femur upper segment 11 is at least one, for inserting femoral inferior segment 12 and and femur
The number for the internal fixed pin 2 that hypomere 12 is fixedly connected also is at least one, for the internal fixation being connected with femur upper segment 11
Pin 2 can drive the shift in position of femur upper segment 11, and the internal fixed pin 2 for being connected with femoral inferior segment 12 can drive femur
The shift in position of hypomere 12.
Internal fixed pin 2 is arranged at Ligation in vitro plate 3 positioned at external part, and fixed pin 2 can by fixture in vivo
Adjust and be securable to Ligation in vitro plate 3, i.e., position of the internal fixed pin 2 in vitro on connecting plate 3 is adjustable, and when internal
After the position of fixed pin 2 is determined, it can be fixed in by fixture on Ligation in vitro plate 3.
In summary, using such structure, when in use, it is fixedly connected respectively in femur upper segment 11 with femoral inferior segment 12
At least one internal fixed pin 2, can be fixed on the position of the internal fixed pin 2 of femur upper segment 11 or femoral inferior segment 12 by adjustment
Put, the position of femur upper segment 11 or femoral inferior segment 12 is correspondingly adjusted, so that femur upper segment 11 and femoral inferior segment 12 are completely right
Connect, then internal fixed pin 2 is fixed on Ligation in vitro plate 3 by fixture, so as to the position of resected femur 1, protect
The position that card has completed the femur upper segment 11 and femoral inferior segment 12 docked is constant, to realize that femur 1 resets.
In addition, resetting the later stage in femur 1, the reset case of femur 1 is observed by X-ray, when discovery femur upper segment 11 and stock
When the docking reset of bone hypomere 12 has deviation, it can be realized by the relative position of adjusting body Internal fixation pin 2 to femur upper segment
11 or femoral inferior segment 12 position adjustment, the two sections of femur 1 is aligned completely, play correction femur 1 reset effect,
Avoid the malunion of femur 1.
It is specific real at one in view of the simple easy implementation problem that is fixedly connected with mode of the internal fixed pin 2 with femur 1
Apply in example, one end of internal fixed pin 2 is provided with the external screw thread 21 for being used for being connected with the screwed hole of femur 1.I.e. by minimally invasive
Technology is provided with screwed hole on femur 1, in use, the external screw thread 21 of internal fixed pin 2 is screwed into the screwed hole of femur 1, from
And realize being fixedly connected for internal fixed pin 2 and femur 1.
For the steadiness of the position that ensures femur upper segment 11 and femoral inferior segment 12, in a specific embodiment, it is used for
The internal fixed pin 2 for connecting femur upper segment 11 is at least two, and the internal fixed pin 2 for connecting femoral inferior segment 12 is at least two
Root.By at least two internal fixed pins 2 come the position of resected femur epimere 11 or femoral inferior segment 12, femur upper segment 11 can be made
Or the position of femoral inferior segment 12 is more firm, so as to keep the position that femur upper segment 11 and femoral inferior segment 12 have alignd to keep steady
It is fixed constant, in favor of the reset of femur 1.
Optionally, all internal fixed pins 2 and the tie point of Ligation in vitro plate 3 are located in same straight line.
It is specific real at one in view of internal fixed pin 2 and the adjustable and fixable annexation of Ligation in vitro plate 3
Apply in example, fixture includes adjustable and can regularly on Ligation in vitro plate 3 fixed plate 4 and gripping block 5, gripping block 5
For being matched for clamping tightly internal fixed pin 2 with fixed plate 4.Fixed plate 4 is adjustable and regularly can be located on Ligation in vitro plate 3, from
And can both ensure that the internal position of fixed pin 2 was adjustable and be arranged on Ligation in vitro plate 3, meet again and work as femur upper segment 11 and femur
Internal fixed pin 2 is fixed on Ligation in vitro plate 3 by fixed plate 4 and gripping block 5 after the docking completely of hypomere 12.
Femur upper segment 11 and femoral inferior segment 12 are docked by the position of adjusting body Internal fixation pin 2, the position of internal fixed pin 2
The relative position for making femur upper segment 11 and femoral inferior segment 12 align is set to, so that the fixed plate 4 for fixed body Internal fixation pin 2
Position is also relative position, and fixed plate 4 is moved with the position adjustment of internal fixed pin 2, therefore in view of solid in adjusting body
The benchmark problem of the position of pin 2 is determined, it is necessary to fix an internal fixed pin 2 first, therefore in a specific embodiment, fixed plate
4 include the first fixed plate and the second fixed plate, and the first fixed plate is fixedly mounted on one end of Ligation in vitro plate 3, the second fixed plate
It may move and can be fixedly mounted on Ligation in vitro plate 3.
Specifically, when in use, the first fixed plate is fixedly mounted on to one end of Ligation in vitro plate 3 first, then passes through
A piece internal fixed pin 2 is fixed on Ligation in vitro plate 3 as remaining body Internal fixation pin 2 by one fixed plate and gripping block 5 to be adjusted
Benchmark, remaining body Internal fixation pin 2 is fixed on Ligation in vitro plate 3 by the second fixed plate and gripping block 5, is fixed due to second
Plate is movably mounted on Ligation in vitro plate 3, therefore remaining body Internal fixation pin 2 can be internal with respect to what the first fixed plate was fixed
The adjustment position of fixed pin 2, makes femur upper segment 11 and femoral inferior segment 12 dock completely.
It is may move in view of the second fixed plate along Ligation in vitro plate 3 and sex chromosome mosaicism easy for installation, in a specific implementation
In example, Ligation in vitro plate 3 is movably disposed at installation conduit provided with conduit 31 (as shown in Figure 4), the second fixed plate is installed
On 31, the second fixed plate is provided with connecting hole, and the second fixed plate passes through the bolt 6 and and spiral shell through installation conduit 31 and connecting hole
The first nut 7 that bolt 6 is engaged is fixed on Ligation in vitro plate 3.
It should be noted that when the position of adjusting body Internal fixation pin 2, the second fixed plate is with the position of internal fixed pin 2
Put variation and moved along conduit 31 is installed；After the position of internal fixed pin 2 is determined, the bar portion of bolt 6 is passed through conduit is installed
31 and the second connecting hole in fixed plate, and the first nut 7 is screwed in the end of bolt 6, so that the second fixed plate be fixed
In vitro on connecting plate 3.
Internal fixed pin 2 is generally round bar shape, therefore for more preferable clamping body Internal fixation pin 2, in a specific implementation
In example, gripping block 5 is provided with V-groove 51 (as shown in Figure 5) or C-shaped channel for holding body Internal fixation pin 2.In use, V-groove 51
Two V-type faces retain the bar portion of internal fixed pin 2, be matched for clamping tightly internal fixed pin 2 with the side of fixed plate 4 so that
The position of internal fixed pin 2 keeps constant.
It should be noted that the position of the holding body Internal fixation pin 2 of gripping block 5 can certainly be other shapes, as long as protecting
The position of the card holding body Internal fixation pin 2 of gripping block 5 and the bar portion of internal fixed pin 2 can be bonded to each other.Such as gripping block 5
The position of holding body Internal fixation pin 2 can be C-shaped channel, and the size of C-shaped channel is determined by the gauge diameter of internal fix bar 2, is protected
Card C-shaped channel is fitted with the bar portion of internal fixed pin 2, so as to so that the side of C-shaped channel and fixed plate 4 is matched for clamping tightly internal fixation
Pin 2.
Because the internal position of fixed pin 2 is adjustably secured on connecting plate 3 in vitro, thus gripping block 5 and fixed plate 4 it
Between connected mode be the removable connection of activity, in order that the attachment structure between gripping block 5 and fixed plate 4 is simple easily real
Existing, in a specific embodiment, gripping block 5 is provided with threaded rod 52, and gripping block 5 matches by threaded rod 52 and with threaded rod 52
The second nut 8 closed is fixed in fixed plate 4.Fig. 6 is refer to, threaded rod 52 passes through the through hole in fixed plate 4, the V of gripping block 5
In the clamping sides body of type groove 51 and fixed plate 4 after fixed pin 2, the second nut 8 is screwed in by gripping block 5 from the end of threaded rod 52
It is fixed in fixed plate 4.
It should be noted that when femur upper segment 11 and the generation dislocation of femoral inferior segment 12 need adjusting body Internal fixation pin 2, it is first
First the second nut 8 is removed from threaded rod 52, then gripping block 5 is removed from fixed plate 4, and then adjusting body Internal fixation pin
2 position, so as to drive the shift in position of the femur upper segment 11 being fixedly connected with internal fixed pin 2 or femoral inferior segment 12, makes stock
Bone epimere 11 and femoral inferior segment 12 are docked completely, now fixed plate 4 are moved at internal fixed pin 2 again, and pass through threaded rod
52 and the second nut 8 for being engaged with threaded rod 52 gripping block 5 is fixed in fixed plate 4, so that internal fixed pin 2 be fixed
In vitro on connecting plate 3, to ensure that femur 1 resets.
It is the removable connection of activity in view of the connected mode between gripping block 5 and fixed plate 4, there is gripping block from admittedly
Released in fixed board 4 and the hidden danger of the movement of opposing fixed plate 4, therefore in a specific embodiment, fixed plate 4 is provided with screwed hole,
The locking bolt 9 for preventing gripping block 5 from releasing is rotary with screwed hole.Due to the presence of locking bolt 9, gripping block 5 will be avoided
Released from fixed plate 4.
It should be noted that the number of the screwed hole set in fixed plate 4 can be 1, or multiple, specific
Several structures and connected mode according to gripping block 5 and fixed plate 4 is determined；When screwed hole is multiple, revolved respectively in each screwed hole
Enter the locking bolt 9 matched therewith, multiple collective effects of locking bolt 9 lock gripping block 5；Fig. 7 is refer to, in fixed plate 4
Relative both sides respectively set a screwed hole, and two locking bolts 9 are screwed in relative both sides screwed hole respectively, so as to clamp spiral shell
Rasp bar 52, makes its position keep constant, and then prevent gripping block 5 from releasing movement from fixed plate 4.
During the position of femur 1 is corrected by adjusting body Internal fixation pin 2, for the ease of control volume Internal fixation pin 2
Adjustment angle, in a specific embodiment, the surface of fixed plate 4 are carved with for conveniently expressing the internal adjustment angle of fixed pin 2
Scale 41 (as shown in Figure 8).When confirming the concrete numerical value that femur upper segment 11 and femoral inferior segment 12 misplace by X-ray,
The position after the internal adjustment of fixed pin 2 respective value can be directly determined according to the scale 41 on the surface of fixed plate 4, so that body
The adjustment of Internal fixation pin 2 more facilitates and accurate.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
Femur provided by the present invention is resetted above and is described in detail with adjuster.It is used herein specifically individual
Example is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help to understand the present invention's
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from the principle of the invention
On the premise of, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into the claims in the present invention
Protection domain in.
Claims (10)
1. a kind of femur resets and adjuster, it is characterised in that including：
For the internal fixed pin (2) being fixedly connected with femur (1), the internal fixed pin for connecting femur upper segment (11)
(2) and connection femoral inferior segment (12) the internal fixed pin (2) be at least one；
Ligation in vitro plate (3) for setting the internal fixed pin (2), the internal fixed pin (2) is adjustable by fixture
It is whole and can be fixedly connected to the Ligation in vitro plate (3).
2. femur according to claim 1 resets and adjuster, it is characterised in that one end of the internal fixed pin (2)
Provided with for the external screw thread (21) with the mating connection of the screwed hole of the femur (1).
3. femur according to claim 1 resets and adjuster, it is characterised in that for connecting the femur upper segment (11)
The internal fixed pin (2) be at least two, for connecting the internal fixed pin (2) of the femoral inferior segment (12) at least
For two, and the tie point of all internal fixed pins (2) and the Ligation in vitro plate (3) is located in same straight line.
4. the femur according to any one of claims 1 to 3 resets and adjuster, it is characterised in that the fixture includes
Gripping block (5) and adjustable and can regularly on the Ligation in vitro plate (3) fixed plate (4), the gripping block (5) are used
In being matched for clamping tightly the internal fixed pin (2) with the fixed plate (4).
5. femur according to claim 4 resets and adjuster, it is characterised in that the fixed plate (4) includes first and consolidated
Fixed board and the second fixed plate, first fixed plate are fixedly mounted on the Ligation in vitro plate (3), and second fixed plate is removable
Move and can be fixedly mounted on the Ligation in vitro plate (3).
6. femur according to claim 5 resets and adjuster, it is characterised in that the Ligation in vitro plate (3) is provided with
Conduit (31) is installed, second fixed plate is movably disposed on the installation conduit (31)；
Second fixed plate is provided with connecting hole, and second fixed plate through described by installing conduit (31) and the company
The first nut (7) for connecing the bolt (6) in hole and being engaged with the bolt (6) is fixed on the Ligation in vitro plate (3).
7. femur according to claim 4 is resetted and adjuster, it is characterised in that the gripping block (5), which is provided with, to be used to block
Hold the V-groove (51) or C-shaped channel of the internal fixed pin (2).
8. femur according to claim 7 resets and adjuster, it is characterised in that the gripping block (5) is provided with threaded rod
(52) the second nut (8) that, the gripping block (5) is engaged by the threaded rod (52) and with the threaded rod (52) is fixed
In the fixed plate (4).
9. femur according to claim 8 resets and adjuster, it is characterised in that the fixed plate (4) is provided with screwed hole,
The locking bolt (9) for preventing the gripping block (5) from releasing is rotary with the screwed hole.
10. femur according to claim 4 resets and adjuster, it is characterised in that be carved with the surface of the fixed plate (4)
Scale (41) for conveniently expressing internal fixed pin (2) adjustment angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710537677.2A CN107184261B (en) | 2017-07-04 | 2017-07-04 | Femur resetting and correcting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710537677.2A CN107184261B (en) | 2017-07-04 | 2017-07-04 | Femur resetting and correcting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107184261A true CN107184261A (en) | 2017-09-22 |
| CN107184261B CN107184261B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710537677.2A Active CN107184261B (en) | 2017-07-04 | 2017-07-04 | Femur resetting and correcting device |
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| Country | Link |
|---|---|
| CN (1) | CN107184261B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670392A (en) * | 2018-05-29 | 2018-10-19 | 陈金凤 | A kind of therapeutic device for orthopaedics buttocks thigh bone fracture |
| CN110772308A (en) * | 2019-11-07 | 2020-02-11 | 四川大学华西医院 | Adjustable external fixing support for rat femoral segmental bone defect |
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| CN102292042A (en) * | 2008-09-16 | 2011-12-21 | 奥瑟菲克斯有限公司 | Orthopaedic device for correcting deformities of long bones |
| CN207679512U (en) * | 2017-07-04 | 2018-08-03 | 广东工业大学 | A kind of femur resets and corrector |
-
2017
- 2017-07-04 CN CN201710537677.2A patent/CN107184261B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102292042A (en) * | 2008-09-16 | 2011-12-21 | 奥瑟菲克斯有限公司 | Orthopaedic device for correcting deformities of long bones |
| CN207679512U (en) * | 2017-07-04 | 2018-08-03 | 广东工业大学 | A kind of femur resets and corrector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670392A (en) * | 2018-05-29 | 2018-10-19 | 陈金凤 | A kind of therapeutic device for orthopaedics buttocks thigh bone fracture |
| CN110772308A (en) * | 2019-11-07 | 2020-02-11 | 四川大学华西医院 | Adjustable external fixing support for rat femoral segmental bone defect |
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