CN109498105A - A kind of femoral-posterior condyles spur removal device - Google Patents
A kind of femoral-posterior condyles spur removal device Download PDFInfo
- Publication number
- CN109498105A CN109498105A CN201910032962.8A CN201910032962A CN109498105A CN 109498105 A CN109498105 A CN 109498105A CN 201910032962 A CN201910032962 A CN 201910032962A CN 109498105 A CN109498105 A CN 109498105A
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- postartis
- spur
- osteotome
- plate
- femur
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- 210000000689 upper leg Anatomy 0.000 claims abstract description 44
- 210000000988 bone and bone Anatomy 0.000 claims description 9
- 210000003041 ligament Anatomy 0.000 claims description 7
- 210000003127 knee Anatomy 0.000 abstract description 13
- 238000011882 arthroplasty Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 210000000629 knee joint Anatomy 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 230000008407 joint function Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000002266 amputation Methods 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000013150 knee replacement Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 210000004233 talus Anatomy 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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1659—Surgical rasps, files, planes, or scrapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1657—Bone breaking devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1675—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the knee
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1732—Guides or aligning means for drills, mills, pins or wires for bone breaking devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1764—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the knee
Abstract
A kind of femoral-posterior condyles spur removal device, including postartis osteotomy plate, postartis spur removes guide plate and postartis spur removes arc osteotome, the postartis osteotomy plate includes orthogonal postartis fixed plate and postartis limit plate, the middle part of the postartis fixed plate, which is equipped with, is bonded the through-hole of situation as the first observation window with femur to observe postartis fixed plate, the postartis fixed plate is equipped in the two sides of the first observation window facilitates multiple first nail hole being fixed on postartis fixed plate on femur, the postartis fixed plate is equipped with and postartis limit plate two osteotomy saw blade guide groove disposed in parallel in the position close to postartis limit plate, two osteotomy saw blade guide grooves are symmetricly set on the two sides of femur centered on femur, and interval is equipped between the osteotomy saw blade guide groove of two sides, the osteotomy saw blade guide groove is through slot, between the invention avoids postartis spurs to stretching The interference of gap judgement, ensure that the balance for stretching position in replacement knee in arthroplasty, improves the accuracy rate of balance, alleviate the pain of patient, ensure that the effect of replacement knee in arthroplasty.
Description
Technical field
The present invention relates to a kind of femoral-posterior condyles spur removal devices.
Background technique
The patient of serious diseases of knee joint, advanced stage need to often consider to receive artificial knee replacement surgery, to restore knee joint
Function.In replacement knee in arthroplasty, need to carry out gap balance judgement, gap balancing technique is a kind of positioning femur outward turning osteotomy
Method, and the process of traditional replacement knee in arthroplasty is to carry out osteotomy, the equal joint in outside in acquisition in femur preartis
Behind gap, interdigit gap balance is stretched in judgement, is then carried out postartis osteotomy, and then remove postartis spur that may be present, is finally pacified
Fill artificial knee joint.Technology is the problem is that the spur of femoral-posterior condyles position can generate very to gap balance judgement is stretched at present
It is big to influence.And due to the particularity of postartis spur position, conventional surgical technic and instrument must be in amputation femoral-posterior condyles completely
It can just appear and remove postartis spur, the presence of such patient femur's postartis spur will cause patient's misjudgement and stretch equilibrium state,
Selection loosen (i.e. partial cut) knee joint two sides ligament with reach stretch gap balance, additional injury can be caused to patient,
And then cause to replace postoperative ankle shakiness, influence surgical effect and knee joint function in patients with knee state.
Summary of the invention
The present invention solve the deficiencies in the prior art and provide it is a kind of can be removed before completing final postartis osteotomy after
Condyle spur guarantees the femoral-posterior condyles spur removal device for stretching gap balance.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of femoral-posterior condyles spur removal device, including postartis osteotomy plate, postartis spur removal guide plate and postartis spur are gone
Except arc osteotome, the postartis osteotomy plate includes orthogonal postartis fixed plate and postartis limit plate, the postartis fixed plate
Middle part be equipped with and to observe postartis fixed plate be bonded the through-hole of situation as the first observation window, the postartis fixed plate with femur
It is equipped in the two sides of the first observation window and facilitates multiple first nail hole being fixed on postartis fixed plate on femur, the postartis is fixed
Plate close to postartis limit plate position be equipped with postartis limit plate two osteotomy saw blade guide groove disposed in parallel, described in two cut
Bone saw piece guide groove is symmetricly set on the two sides of femur centered on femur, and interval is equipped between the osteotomy saw blade guide groove of two sides,
The osteotomy saw blade guide groove is through slot, and the spacing and femoral-posterior condyles of the osteotomy saw blade guide groove and postartis limit plate medial surface are to be cut
Except thickness matches, the postartis limit plate is the U-shaped board of opening outwardly, and the width of the postartis limit plate opening makes postartis
Fixed plate is fixed on femur rear, ligament and can be placed in the opening；
The postartis spur removal guide plate includes that orthogonal spur removal fixed plate and spur remove limit plate, described
Spur removal limit plate is U-shaped board of the opening towards outside, and the width of the opening of the spur removal limit plate removes spur
Limit plate is fixed on femur rear, ligament and can be placed in the opening, and the middle part of the spur removal fixed plate is equipped with to see
It examines spur removal fixed plate and be bonded the through-hole of situation with femur as the second observation window, the spur removes fixed plate in the second sight
The two sides for examining window are equipped with multiple second nail hole corresponding with the first nail hole position, and the spur removes on two ends of limit plate
It is symmetrically arranged with osteotome guide groove, the oblique straight line of osteotome guide groove forms through slot inside and outside spur removal limit plate, makes
Postartis spur removal guide plate be mounted on femur after, the exit face of the osteotome guide groove is to postartis spur position to be cut off；
The postartis spur removal arc osteotome includes the osteotome hand-held part for facilitating hand handle to hold, the osteotome knife tail for facilitating hammering
With the osteotome blade for cutting off spur, the head end of osteotome hand-held part, the osteotome knife tail setting is arranged in the osteotome blade
Tail end in osteotome hand-held part, the osteotome blade and osteotome hand-held part are equipped with an angle, and the angle is inclined with osteotome guide groove
Oblique angle matches, so that osteotome blade is waited for along osteotome guide groove towards postartis spur when the removal arc osteotome movement of postartis spur
Cut off position movement.
When operation, postartis osteotomy plate, postartis spur removal guide plate and postartis spur removal arc osteotome are successively used, complete
After distal femur front ankle bone cutting, postartis osteotomy plate is placed on distal femur, is observed by the first observation window and is bonded with femur
Degree selects the first nail hole to hammer into nail and postartis osteotomy plate is fixed on femur, bone saw saw blade is protruded into osteotomy saw blade guide groove
Truncated part postartis bone amount (is less than conventional osteotomy amount 9mm), then removes postartis osteotomy plate, and postartis spur removal guide plate is passed through
Same nail hole is fixed on femur, and the osteotome blade of postartis spur removal arc osteotome is removed on guide plate by postartis spur
Osteotome guide groove protrude into, pass through postartis spur remove arc osteotome osteotome blade remove postartis spur, remove postartis spur
Guide plate is removed, after being then fixed on the femur cut away with the postartis patch for cutting away femoral-posterior condyles consistency of thickness, size matches
The femoral-posterior condyles thickness cut away is supplied in the position of condyle, restores the original form of femoral-posterior condyles, determines stretch gap balance in this way,
Complete joint replacement surgery.Therefore above-mentioned apparatus is used, is used in above-mentioned new knee surgery method, can be completed finally
Postartis spur is removed before postartis osteotomy, then the postartis bone amount amputated in advance is supplied using postartis patch, ensure that knee prosthesis
The balance that position is stretched in operation improves the accuracy rate of balance, alleviates the pain of patient, ensure that replacement knee in arthroplasty
Effect.
Further, the postartis osteotomy plate is L-type.
Further, the postartis spur removal guide plate is L-type.
Further, the spacing of the osteotomy saw blade guide groove and postartis limit plate medial surface is less than 9mm, in actual fabrication mistake
The postartis osteotomy plate of multiple models can be arranged in Cheng Zhong with the spacing of osteotomy saw blade guide groove and postartis limit plate medial surface, such as: production
The postartis osteotomy plate that interplanar distance is 4mm on the inside of osteotomy saw blade guide groove and postartis limit plate is as model one, and spacing 5mm is as model
It is second-class, different patient demands can be matched in this way.
Further, two osteotome guide grooves are symmetrically arranged on two ends of the spur removal limit plate, in practical system
During work, postartis spur, which removes guide plate, can also be arranged multiple models according to the position of osteotome guide groove, thus with postartis osteotomy
Plate cooperation, matches different patient demands.
In conclusion the interference the invention avoids postartis spur to gap judgement is stretched, it can be after completing finally
Postartis spur is removed before condyle osteotomy, then the postartis bone amount amputated in advance is supplied using general module, ensure that knee prosthesis hand
The balance that position is stretched in art improves the accuracy rate of balance, alleviates the pain of patient, ensure that the effect of replacement knee in arthroplasty
Fruit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of postartis osteotomy plate of the present invention.
Fig. 2 is the structural schematic diagram that postartis spur of the present invention removes guide plate.
Fig. 3 is the front view that postartis spur of the present invention removes that arc osteotome is inserted into postartis spur removal guide plate osteotome guide groove.
Fig. 4 is the left view that postartis spur of the present invention removes that arc osteotome is inserted into postartis spur removal guide plate osteotome guide groove.
Fig. 5 is the structural schematic diagram that postartis spur of the present invention removes arc osteotome.
Fig. 6 is the structural schematic diagram of postartis patch of the present invention.
In attached drawing, 1, postartis osteotomy plate, 2, postartis spur removal guide plate, 3, postartis spur removal arc osteotome, 4, postartis
Patch, the 11, first observation window, the 12, first nail hole, 13, osteotomy saw blade guide groove, the 21, second observation window, the 22, second nail hole, 23,
Osteotome guide groove, 31, osteotome knife tail, 32, osteotome hand-held part, 33, osteotome blade.
Specific embodiment
For a better understanding of the present invention, with reference to the accompanying drawing and embodiment, invention is described in further detail, but
Embodiments of the present invention are not limited only to this, and protection scope of the present invention is also related to those skilled in the art and conceives according to the present invention
It is conceivable that equivalent technologies mean.
As shown in Figures 1 to 6, a kind of femoral-posterior condyles spur removal device, including the removal of postartis osteotomy plate 1, postartis spur are led
Plate 2 and postartis spur remove arc osteotome 3, and the postartis osteotomy plate 1 is L-type, and the postartis osteotomy plate 1 includes orthogonal
Postartis fixed plate and postartis limit plate, the middle part of the postartis fixed plate, which is equipped with, is bonded feelings with femur to observe postartis fixed plate
The through-hole of condition is equipped with to facilitate and fixes postartis as the first observation window 11, the postartis fixed plate in the two sides of the first observation window 11
Plate is fixed on multiple first nail hole 12 on femur, and the postartis fixed plate is equipped with and postartis in the position close to postartis limit plate
Limit plate two osteotomy saw blades guide groove 13 disposed in parallel, two osteotomy saw blade guide grooves 13 are symmetrical arranged centered on femur
In the two sides of femur, and interval is equipped between two sides osteotomy saw blade guide groove 13, the osteotomy saw blade guide groove 13 is through slot, described
Osteotomy saw blade guide groove 13 and the spacing of postartis limit plate medial surface match with femoral-posterior condyles thickness to be cut off, the postartis limit
Plate is the U-shaped board of opening outwardly, and the width of the postartis limit plate opening makes postartis fixed plate be fixed on opisthodetic ligament on femur
It can be placed in the opening；
The postartis spur removal guide plate 2 is L-type, and the postartis spur removal guide plate 2 includes that orthogonal spur is gone
Except fixed plate and spur remove limit plate, the spur removal limit plate is U-shaped board of the opening towards outside, the spur removal limit
The width of the opening of position plate, which makes spur removal limit plate be fixed on opisthodetic ligament on femur, can be placed in the opening, the spur
The middle part of removal fixed plate, which is equipped with, is bonded the through-hole of situation as the second observation window with femur to observe spur removal fixed plate
21, the spur removal fixed plate is equipped with multiple second nails corresponding with 12 position of the first nail hole in the two sides of the second observation window 21
Hole 22 is symmetrically arranged with osteotome guide groove 23, the oblique straight line of the osteotome guide groove 23 on two ends of spur removal limit plate
Through spur removal limit plate inside and outside form through slot so that postartis spur removal guide plate 2 be mounted on femur after, it is described
The exit face of osteotome guide groove 23 is to postartis spur position to be cut off；
The postartis spur removal arc osteotome 3 includes the osteotome hand-held part 32 for facilitating hand handle to hold, the osteotome for facilitating hammering
Knife tail 31 and osteotome blade 33 for cutting off spur, the head end of osteotome hand-held part 32 is arranged in the osteotome blade 33, described
The tail end of osteotome hand-held part 32 is arranged in osteotome knife tail 31, and the osteotome blade 33 is equipped with an angle with osteotome hand-held part 32,
The angle matches with the inclined angle of osteotome guide groove 23, so that osteotome blade when postartis spur removal arc osteotome 3 acts
33 act along osteotome guide groove 23 towards postartis spur position to be cut off.
In this example, the spacing of the osteotomy saw blade guide groove 13 and postartis limit plate medial surface is less than 9mm.
When operation, postartis osteotomy plate 1, postartis spur removal guide plate 2 and postartis spur removal arc osteotome 3 are successively used,
After completing distal femur osteotomy, postartis osteotomy plate 1 is placed on distal femur, is pasted by the observation of the first observation window 11 with femur
Conjunction degree selects the first nail hole 12 to hammer into nail and postartis osteotomy plate 1 is fixed on femur, bone saw saw blade is protruded into osteotomy saw blade
Guide groove truncated part postartis bone amount (is less than conventional osteotomy amount 9mm), then removes postartis osteotomy plate 1, the removal of postartis spur is led
Plate 2 is fixed on femur by same nail hole, and the osteotome blade 33 of postartis spur removal arc osteotome 3 is passed through postartis spur
Osteotome guide groove 23 on removal guide plate protrudes into, and the spur of postartis is removed by the blade 33 that postartis spur removes arc osteotome 3, is torn open
Except postartis spur removes guide plate, then by with cut away the postartis patch 4 that femoral-posterior condyles size matches and be fixed on the femur cut away
The femoral-posterior condyles cut away are supplied in the position of postartis, restore the original form of femoral-posterior condyles, and postartis patch 4 is equipped with fixing glue, lead to
It crosses fixing glue to be directly anchored on femur, determines stretch gap balance in this way, complete joint replacement surgery.Therefore above-mentioned dress is used
It sets, is used in above-mentioned new knee surgery method, postartis spur can be removed before completing final postartis osteotomy, then using logical
The postartis bone amount amputated in advance is supplied with module, be ensure that the balance for stretching position in replacement knee in arthroplasty, is improved balance
Accuracy rate alleviates the pain of patient, ensure that the effect of replacement knee in arthroplasty.
Technology not described in detail in the present invention, shape, construction portion are well-known technique.
In addition, it should be noted that, this patent is not limited to above embodiment, as long as its part does not specify specific size
Or shape, then the part can be any size or shape adaptable with its structure, no matter and making in its material composition
Any variation, it is all to be designed using structure provided by the present invention, all it is a kind of deformation of the invention, is considered as in the present invention
Within protection scope.
Claims (7)
1. a kind of femoral-posterior condyles spur removal device, it is characterised in that: remove guide plate including postartis osteotomy plate (1), postartis spur
(2) and postartis spur removes arc osteotome (3), and the postartis osteotomy plate (1) includes orthogonal postartis fixed plate and postartis
Limit plate, the postartis fixed plate, which is equipped with, facilitates multiple first nail hole (12) being fixed on postartis fixed plate on femur, institute
Postartis fixed plate is stated to be equipped with and postartis limit plate two osteotomy saw blade guide groove disposed in parallel in the position close to postartis limit plate
(13), two osteotomy saw blade guide grooves (13) are symmetricly set on the two sides of femur, and two sides bone-cutting saw centered on femur
Interval is equipped between piece guide groove (13), the osteotomy saw blade guide groove (13) is through slot, the osteotomy saw blade guide groove (13) and postartis
The spacing of limit plate medial surface matches with femoral-posterior condyles thickness to be cut off, and the postartis limit plate is the U-shaped board of opening outwardly,
The width of the postartis limit plate opening, which makes postartis fixed plate be fixed on opisthodetic ligament on femur, can be placed in the opening；
Postartis spur removal guide plate (2) includes that orthogonal spur removal fixed plate and spur remove limit plate, described
Spur removal limit plate is U-shaped board of the opening towards outside, and the width of the opening of the spur removal limit plate removes spur
Limit plate is fixed on opisthodetic ligament on femur and can be placed in the opening, and the spur removal fixed plate is equipped with and the first nail hole
(12) corresponding multiple second nail hole (22) in position are symmetrically arranged with osteotome guide groove on two ends of spur removal limit plate
(23), the oblique straight line of the osteotome guide groove (23) forms through slot inside and outside spur removal limit plate, so that postartis bone
Superfluous removal guide plate (2) be mounted on femur after, the exit face of the osteotome guide groove (23) is to postartis spur position to be cut off；
Postartis spur removal arc osteotome (3) includes the osteotome hand-held part (32) for facilitating hand handle to hold, the osteotome for facilitating hammering
Knife tail (31) and osteotome blade (33) for cutting off spur, head of osteotome blade (33) setting in osteotome hand-held part (32)
The tail end in osteotome hand-held part (32), the osteotome blade (33) and osteotome hand-held part is arranged in end, the osteotome knife tail (31)
(32) it is equipped with an angle, the angle matches with osteotome guide groove (23) inclined angle, so that postartis spur removes arc
Osteotome blade (33) is acted along osteotome guide groove (23) towards postartis spur position to be cut off when osteotome (3) acts.
2. femoral-posterior condyles spur removal device according to claim 1, it is characterised in that: the middle part of the postartis fixed plate
Equipped with being bonded the through-hole of situation as the first observation window (11), multiple first nail hole (12) with femur to observe postartis fixed plate
It is laid in the two sides of the first observation window (11).
3. femoral-posterior condyles spur removal device according to claim 1, it is characterised in that: the spur removal fixed plate
Middle part, which is equipped with, is bonded with femur the through-hole of situation as the second observation window (21) to observe spur removal fixed plate, and multiple second
Nail hole (22) is laid in the two sides of the second observation window (21).
4. femoral-posterior condyles spur removal device according to claim 1, it is characterised in that: the postartis osteotomy plate (1) is L
Type.
5. femoral-posterior condyles spur removal device according to claim 1, it is characterised in that: the postartis spur removes guide plate
It (2) is L-type.
6. femoral-posterior condyles spur removal device according to claim 1, it is characterised in that: the osteotomy saw blade guide groove (13)
It is less than 9mm with the spacing of postartis limit plate medial surface.
7. femoral-posterior condyles spur removal device according to claim 1, it is characterised in that: the spur removal limit plate
Multiple osteotome guide grooves (23) are symmetrically arranged on two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032962.8A CN109498105A (en) | 2019-01-14 | 2019-01-14 | A kind of femoral-posterior condyles spur removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032962.8A CN109498105A (en) | 2019-01-14 | 2019-01-14 | A kind of femoral-posterior condyles spur removal device |
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| CN109498105A true CN109498105A (en) | 2019-03-22 |
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ID=65757887
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|---|---|---|---|
| CN201910032962.8A Pending CN109498105A (en) | 2019-01-14 | 2019-01-14 | A kind of femoral-posterior condyles spur removal device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107530097A (en) * | 2015-03-24 | 2018-01-02 | 艾克斯潘多索公司 | Bascule and application method for arthroplasty |
| CN113040863A (en) * | 2021-03-09 | 2021-06-29 | 四川大学华西医院 | Navigation system for anterior cervical osteotomy combined with ultrasonic osteotome |
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