CN115553862A - Multifunctional device for adjusting osteotomy on femoral side in knee joint replacement - Google Patents
Multifunctional device for adjusting osteotomy on femoral side in knee joint replacement Download PDFInfo
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- CN115553862A CN115553862A CN202211217656.XA CN202211217656A CN115553862A CN 115553862 A CN115553862 A CN 115553862A CN 202211217656 A CN202211217656 A CN 202211217656A CN 115553862 A CN115553862 A CN 115553862A
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- 210000000629 knee joint Anatomy 0.000 title claims description 9
- 210000000689 upper leg Anatomy 0.000 claims abstract description 31
- 238000013150 knee replacement Methods 0.000 claims abstract description 7
- 210000000988 bone and bone Anatomy 0.000 claims description 80
- 238000000034 method Methods 0.000 claims description 19
- 238000011882 arthroplasty Methods 0.000 claims description 12
- 210000003127 knee Anatomy 0.000 claims description 12
- 238000005553 drilling Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 239000002861 polymer material Substances 0.000 claims description 2
- 210000001694 thigh bone Anatomy 0.000 claims description 2
- 241000446313 Lamella Species 0.000 claims 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 241000469816 Varus Species 0.000 description 3
- 241001227561 Valgus Species 0.000 description 2
- 210000003423 ankle Anatomy 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1657—Bone breaking devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a multifunctional device for adjusting osteotomy at the femoral side in knee replacement, which comprises an osteotomy plate body and a fixing device, wherein the osteotomy plate body comprises a reference plate and an osteotomy guide plate, the osteotomy guide plate is provided with an osteotomy groove in a penetrating way, the osteotomy groove is arranged in parallel with the bottom surface of the reference plate, the reference plate is provided with a plurality of adjusting holes, each adjusting hole is internally provided with an adjusting rotary column in a matching way, and the length of the adjusting rotary column protruding out of the reference plate is adjusted to adjust the angle of the osteotomy groove and an osteotomy plane on a sagittal plane or a coronal plane during osteotomy. When the osteotomy surface at the distal end of the femur is finished or 5 osteotomy surfaces are finished, the osteotomy amount can be adjusted, the osteotomy angle can be adjusted, and the osteotomy adjustment is more convenient, quicker and more accurate.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a multifunctional device for adjusting osteotomy at the femoral side in knee joint replacement.
Background
The osteotomy is a main step of knee joint replacement, and the osteotomy obtains a gap for accommodating a prosthesis, a neutral position force line, a balanced flexion-extension gap and a balanced soft tissue, so that not only certain accuracy is required, but also corresponding adjustment can be performed according to the condition of a patient, for example, when the distal end of the femur is insufficient in osteotomy amount and the osteotomy angle is wrong, or because the left and right diameters and the front and back diameters of the femur of the patient are not matched, the prosthesis of the corresponding model cannot be used, only a small-sized prosthesis can be used so that the flexion-extension gap is unbalanced, and when the prosthesis needs to be placed at a slightly bent position, the distal end of the femur needs to be adjusted. However, with current conventional surgical tools, adjustments are often not made quickly and efficiently.
Currently, the method for adjusting the distal femur osteotomy comprises the following steps: 1. if the amount of the distal femur osteotomy needs to be increased, the fixing nail of the distal osteotomy guide plate is not pulled out, and the osteotomy can be performed again through the +2mm nail hole on the osteotomy plate. 2. If the staple is removed, there is no reliable way to supplement osteotomy; if the adjustment is performed manually, the operation is accurate and stable depending on the experience of an operator, and the adjustment is not suitable for most doctors. 3. At present, no proper method exists for adjusting the distal femur varus and flexion angle, only manual trimming can be performed by depending on the experience of an operator, and no tool is relied on.
Disclosure of Invention
In order to solve the above problems, the present application provides a multifunctional device for adjusting the osteotomy at the femoral side in knee replacement to precisely adjust the distal femur osteotomy.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the application provides a knee joint replacement thighbone side adjustment cuts multi-functional device of bone, including cutting the bone plate body and being used for the fixed fixing device who cuts the bone plate body, cut the bone plate body including integrated into one piece's reference board and cut the bone baffle, the bottom surface of reference board laminates as the reference plane when cutting the bone with the section bone plane that has formed mutually, cut the bottom surface of bone baffle downwards protrusion in the bottom surface of reference board, the bulge of cutting the bone baffle runs through and has seted up the section bone groove, section bone groove with the bottom surface parallel arrangement of reference board, a plurality of regulation holes have been seted up on the reference board, every the regulation downthehole cooperation is installed and is adjusted and revolve the post, revolves the post through adjusting and stick out the length of reference board in order to adjust the angle of section bone groove and section bone plane on sagittal plane or coronal plane when cutting the bone.
As a modification of the above solution, the plane of the reference plate is square.
As an improvement of the above scheme, the number of the adjusting holes is four, and the adjusting holes are arranged on the diagonal lines of the four corners of the reference plate in a pairwise opposite manner.
As an improvement of the scheme, when the adjusting rotary column rotates for each half circle or each circle, the inner wall of the adjusting hole is correspondingly marked with a rotary alignment mark, and the included angle between the osteotomy groove and the osteotomy plane on the sagittal plane/coronal plane is correspondingly increased by 1 degree.
As an improvement of the scheme, the fixing device comprises a plurality of fixing nail holes which are formed on two sides of the reference plate and can be used for mounting fixing nails.
As an improvement of the scheme, the fixing device comprises a plurality of fixing handles arranged on two sides of the reference plate, each fixing handle is obliquely and upwards arranged towards the outer side of the reference plate and penetrates through a fixing nail hole capable of being provided with a fixing nail.
As a refinement of the above solution, the number of fixing lugs on each side of the reference plate is at least one.
As an improvement of the scheme, the osteotomy plate body is made of metal or high polymer materials.
The present application also provides a method for knee arthroplasty femoral side adjustment osteotomy, the method being applied to any one of the above knee arthroplasty femoral side adjustment osteotomy multifunctional devices, the method comprising:
when cutting the bone in parallel, the method comprises the following steps:
(2) Fitting the bottom surface of the reference plate with an osteotomy plane to be osteotomy;
(2) The fixing handle is held by hand, the fixing osteotomy plate body is pressed, or a fixing nail is used, a fixing nail hole is drilled into the bone fixing osteotomy plate body, and the bone is cut in the osteotomy groove so as to increase the parallel osteotomy of the osteotomy plane;
when the flexion osteotomy is performed, the method comprises the following steps:
(1) Fitting the bottom surface of the reference plate with an osteotomy plane to be osteotomy;
(2) Adjusting two adjusting rotary columns positioned on one side of the front side and the rear side to enable the two adjusting rotary columns to protrude out of the bottom surface of the reference plate, wherein the bottom surface of the reference plate and the osteotomy plane of the bone to be osteotomed form an included angle, namely the osteotomy groove and the osteotomy plane of the bone to be osteotomed form a certain angle on a sagittal plane;
(3) Using a fixing nail, drilling a bone fixing osteotomy plate body in a fixing nail hole, and cutting a bone in the osteotomy groove to adjust the buckling of an osteotomy plane;
when the internal and external osteotomies are performed, the method comprises the following steps:
(1) Fitting the bottom surface of the reference plate with an osteotomy plane to be osteotomy;
(2) Adjusting two adjusting rotary columns positioned on one of the inner side and the outer side to enable the two adjusting rotary columns to protrude out of the bottom surface of the reference plate, wherein the bottom surface of the reference plate and the osteotomy plane of the bone to be osteotomed form an included angle, namely, the osteotomy groove and the osteotomy plane of the bone to be osteotomed form a certain angle on the coronal plane;
(3) The fixing nail is used, the bone fixing osteotomy plate body is drilled into the fixing nail hole, and the bone is osteotomy in the osteotomy groove so as to adjust the inward and outward turning of the osteotomy plane.
The invention has the following beneficial effects:
in the knee joint replacement, when the distal femur osteotomy or 5 femoral osteotomy surfaces are completed, a reliable and accurate method is provided for adjusting the distal femur osteotomy, the osteotomy amount can be adjusted, the osteotomy angle can be adjusted, the adjustment of flexion-extension gap balance, lower limb force line and medial-lateral balance is realized, and the knee joint replacement is more convenient, rapid and accurate.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments,
FIG. 1 is a top view of the multi-functional device for femoral side adjustment osteotomy of the knee arthroplasty of the present application;
FIG. 2 is a front view of the multi-functional device of the present application for femoral side adjustment osteotomy for knee arthroplasty;
FIG. 3 is a right side view of the multi-functional device of the present application for a femoral side adjustment osteotomy for knee arthroplasty.
In the figure: 1: a reference plate; 11. 12, 13, 14: an adjustment hole; 2: a bone cutting guide plate; 21: a osteotomy slot; 3: a fixed handle; 31: fixing nail holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper side", "lower side", "upper end", "both ends", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the multifunction device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," "communicating," and the like are to be construed broadly, e.g., as being either fixedly or removably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Referring to fig. 1-3, a multi-functional device for adjusting osteotomy on the femoral side in knee replacement surgery includes an osteotomy plate body and a fixation device for fixing the osteotomy plate body.
The osteotomy plate body comprises a reference plate 1 and an osteotomy guide plate 2 which are integrally formed and made of metal materials, wherein the bottom surface of the reference plate 1 is jointed with the formed osteotomy plane to be used as a reference plane during osteotomy. Fixing device sets up two fixed handles 3 in reference 1 both sides including the symmetry, and every fixed handle 3 all upwards sets up towards the outside slope of referring to board 1, and the staff is convenient for fix the osteotomy plate body through the fixed handle 3 of gripping when cutting the bone, runs through the staple hole 31 of seting up the mountable staple on every fixed handle 3, squeezes in the sclerotin with the staple in order to fix the osteotomy groove body.
The bottom surface of the bone cutting guide plate 2 protrudes downwards from the bottom surface of the reference plate 1, a bone cutting groove 21 is formed in the protruding part of the bone cutting guide plate 2 in a penetrating mode, a swing saw for cutting bones is used for cutting bones through the bone cutting groove 21, the thickness of the swing saw is 1.27mm, the bone cutting groove 21 is arranged in parallel with the bottom surface of the reference plate 1, the vertical distance between the upper surface of the bone cutting groove 21 and the bottom surface of the reference plate 1 is 0.73mm, and therefore 2mm of bones can be cut; the vertical distance between the upper surface of the osteotomy groove 21 and the bottom surface of the reference plate 1 can be varied according to the thickness of bone to be resected at one time. The plane of the reference plate 1 is square, four adjusting holes 11, 12, 13 and 14 are oppositely arranged on the diagonal lines of the four corners of the reference plate 1 in pairs, each adjusting hole is internally connected with an adjusting rotary column through threads, and the adjusting rotary columns protrude out of the bottom surface of the reference plate 1 by a certain length through respectively adjusting the two adjusting rotary columns in each direction of the front, the back, the inner side and the outer side (the front side, the back side, the inner side and the outer side of the knee joint of a human body) of the reference plate 1 so as to adjust the angle of the osteotomy groove 21 and the osteotomy plane on the sagittal plane or the coronal plane during osteotomy, and are correspondingly used for adjusting the flexion and extension angle or the internal and external tilting angle of the osteotomy plane.
The vertical distance from the center of each adjusting rotary column to the far side of the reference plate 1 is set as a, the rotating pitch of the adjusting rotary column is equal to sin1 degree multiplied by a multiplied by 2, when the adjusting rotary column rotates for each half turn, the inner walls of the adjusting holes 11, 12, 13 and 14 are correspondingly marked with a rotating alignment mark, and the included angle between the osteotomy groove 21 and the osteotomy plane on the sagittal plane/coronal plane is correspondingly increased by 1 degree.
Example 2
The present application also provides a method for femoral side adjustment osteotomy in knee replacement, which is applied to the multifunctional device for femoral side adjustment osteotomy in knee replacement in the above embodiment 1, and the method includes:
when cutting the bone in parallel, the method comprises the following steps:
(1) Attaching the bottom surface of the reference plate 1 to an osteotomy plane to be osteotomy;
(2) The fixing handle 3 is held by hand, the fixing osteotomy plate body is pressed, or a fixing nail is used, the fixing nail hole 31 is drilled into the bone fixing osteotomy plate body, and the osteotomy is carried out in the osteotomy groove 21, so that the parallel osteotomy of the osteotomy plane is increased;
when the flexion osteotomy is performed, the method comprises the following steps:
(1) Attaching the bottom surface of the reference plate 1 to an osteotomy plane to be osteotomy;
(2) Adjusting the adjusting rotary columns in the two adjusting holes 11, 12/13, 14 at the front side/the rear side of the reference plate 1 to enable the adjusting rotary columns to protrude out of the bottom surface of the reference plate 1, wherein an included angle is formed between the bottom surface of the reference plate 1 and a bone cutting plane of a bone to be cut, namely a certain angle is formed between the bone cutting groove 21 and the bone cutting plane of the bone to be cut on a sagittal plane;
(3) Using a fixing nail, drilling a bone fixing osteotomy plate body in a fixing nail hole 31, and cutting a bone in the osteotomy groove 21 to adjust the buckling of an osteotomy plane;
when the internal and external osteotomies are performed, the method comprises the following steps:
(1) Attaching the bottom surface of the reference plate 1 to an osteotomy plane to be osteotomy;
(2) Adjusting the adjusting rotary columns in the two adjusting holes 11, 14/adjusting holes 12, 13 on the inner side or the outer side of the reference plate 1 to enable the adjusting rotary columns to protrude out of the bottom surface of the reference plate 1, wherein an included angle is formed between the bottom surface of the reference plate 1 and a bone cutting plane of a bone to be cut, namely a certain angle is formed between the bone cutting groove 21 and the bone cutting plane of the bone to be cut on a coronal plane;
(3) The bone fixation osteotomy plate body is drilled into the fixation nail hole 31 by using the fixation nail, and the osteotomy groove 21 is used for osteotomy to adjust the varus and valgus of the osteotomy plane.
Application examples
The first situation is as follows: when the distal femur osteotomy is balanced and straightened in the gap, the distal femur osteotomy amount is judged to be insufficient according to the lateral femur osteotomy amount and the straightened gap, the distal femur osteotomy amount can be increased by using the device, and the distal femur osteotomy is parallel osteotomy at the moment without adjusting the femoral osteotomy angle. The buckling adjusting rotary column and the inward-outward turning adjusting rotary column are placed in situ (not protruding out of the reference plate 1), the reference plate 1 is attached to the distal femur osteotomy face, the fixing handle 3 is held by hand, the fixing osteotomy plate body is pressed and fixed, or fixing nails are used, the bone fixing osteotomy plate body is drilled into the fixing nail holes 31, and the osteotomy is carried out in the osteotomy groove 21, so that the distal femur osteotomy is increased.
Case two: when 5 osteotomy surfaces (a distal femur osteotomy surface, a front ankle osteotomy surface, a rear ankle osteotomy surface, an upper oblique osteotomy surface and a lower oblique osteotomy surface) on the femur side are all finished, when the installation trial die finds that extension is limited (extension clearance is small), the distal femur osteotomy surface, the upper oblique osteotomy surface and the lower oblique osteotomy surface are required to be osteotomy, and the osteotomy surface adjustment at the moment is finished. At this time, the buckling adjustment rotary column and the inward-outward turning adjustment rotary column are placed in situ (not protruding from the reference plate 1), the reference plate 1 is attached to the distal femur osteotomy surface, the fixing handle 3 is held by hand, the bone plate fixing body is pressed and fixed, or a fixing nail is used, the bone fixing bone plate fixing body is drilled into the fixing nail hole 31, and the bone is cut in the bone cutting groove 21, so that the distal femur osteotomy is increased. Then the osteotomy plate body is respectively arranged on the upper oblique osteotomy surface and the lower oblique osteotomy surface so as to increase the osteotomy amount of the corresponding osteotomy surface. At the moment, under the condition that 5 osteotomy surfaces are all finished, the distal femur osteotomy surface, the upper oblique osteotomy surface and the lower oblique osteotomy surface are all uniformly adjusted, so that the prosthesis can move upwards to increase the straightening gap.
Case three: after the distal femur osteotomy is completed, the model of the femur is measured to be No. 5 (anterior-posterior diameter), but the left-right diameter of the femur can only be provided with No. 4 prosthesis, so that only No. 4 prosthesis can be selected, and in order to avoid excessive osteotomy of the anterior cortex of the femur, the consequence of selecting No. 4 prosthesis is that the posterior condyle of the femur increases the osteotomy amount, which can result in increased flexion gap and unbalanced flexion-extension gap. A strategy for slightly flexing the femoral prosthesis may be employed, requiring adjustment of the distal femoral resection surface to slight flexion. At the moment, the adjusting rotary columns in the adjusting holes 11 and 12 are screwed out to protrude out of the bottom surface of the reference plate 1, corresponding turns are screwed out according to the angle size which is adjusted as required, and the rotation turns can be known through rotating the alignment mark. Then, the fixing nail is used to drill the bone fixing osteotomy plate body in the fixing nail hole 31, and the adjusting rotary columns in the adjusting holes 11 and 12 are reset, and the bone is cut in the osteotomy groove 21. The trimmed femoral osteotomy surface shows certain flexion, and when the No. 4 prosthesis is used, the anterior femoral cortical osteotomy is ensured not to have incisura, the postcondylar osteotomy is avoided too much, and the imbalance of flexion-extension gaps is avoided.
And in the fourth case, when the initial osteotomy of the distal femur surface is bent too much and needs to be adjusted, the adjusting rotary columns which can be rotated out of the adjusting holes 13 and 14 protrude out of the bottom surface of the reference plate 1, and the rest of the operation steps are the same as those in the third case.
Case five: when adjusting the varus/valgus of the osteotomy surface, the adjusting studs in the two adjusting holes 11, 14/12, 13 which can be screwed out of the reference plate 1 protrude out of the bottom surface of the reference plate 1, and the rest of the operation steps are the same as the third case.
It should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a multi-functional device that knee joint replacement art thighbone side adjustment was cut bone which characterized in that: including cutting the hone lamella body and being used for the fixed fixing device who cuts the hone lamella body, cut the hone lamella body including integrated into one piece's reference board and cut the bone baffle, the bottom surface of reference board laminates as the reference plane when cutting the bone with the bone plane that has formed mutually, the bottom surface of cutting the bone baffle downwards bulge in the bottom surface of reference board, the bulge of cutting the bone baffle runs through and has seted up the osteotomy groove, the osteotomy groove with the bottom surface parallel arrangement of reference board, a plurality of regulation holes have been seted up on the reference board, every the regulation downthehole cooperation is installed and is adjusted the post soon, through adjusting the regulation and revolve the length of post salient in the reference board with adjust the angle of cutting the bone groove and cutting the bone plane on sagittal plane or coronal plane when cutting the bone.
2. The multi-functional device for knee arthroplasty femoral side adjustment osteotomy of claim 1, wherein: the plane of the reference plate is square.
3. The multi-functional device for knee arthroplasty femoral side adjustment osteotomy of claim 2, wherein: the number of the adjusting holes is four, and the adjusting holes are arranged on the diagonal lines of the four corners of the reference plate in a pairwise opposite mode.
4. The multi-functional device for knee arthroplasty femoral side adjustment osteotomy of claim 1, wherein: when the adjusting rotary column rotates for each half circle or each circle, the corresponding mark on the inner wall of the adjusting hole is provided with a rotary alignment mark, and the included angle between the osteotomy groove and the osteotomy plane on the sagittal plane/coronal plane is correspondingly increased by 1 degree.
5. The multi-functional device for knee arthroplasty femoral side adjustment osteotomy of claim 1, wherein: the fixing device comprises a plurality of fixing nail holes which are arranged on two sides of the reference plate and can be provided with fixing nails.
6. The multi-functional device for knee arthroplasty femoral side adjustment osteotomy of claim 1, wherein: the fixing device comprises a plurality of fixing handles arranged on two sides of the reference plate, each fixing handle is obliquely and upwards arranged towards the outer side of the reference plate and penetrates through a fixing nail hole capable of being provided with a fixing nail.
7. The multi-functional device for knee arthroplasty femoral side adjustment osteotomy of claim 6, wherein: the number of fixing handles on each side of the reference plate is at least one.
8. The multi-functional device for knee arthroplasty femoral side adjustment osteotomy of claim 1, wherein: the osteotomy plate body is made of metal or high polymer material.
9. A method for knee replacement femur side adjustment osteotomy, applied to the multifunctional device for knee replacement femur side adjustment osteotomy of any one of claims 1-8, characterized in that: the method comprises the following steps:
when cutting the bone in parallel, the method comprises the following steps:
(1) Fitting the bottom surface of the reference plate with an osteotomy plane to be osteotomy;
(2) The fixing handle is held by hand, the fixing osteotomy plate body is pressed, or a fixing nail is used, a fixing nail hole is drilled into the bone fixing osteotomy plate body, and the bone is cut in the osteotomy groove so as to increase the parallel osteotomy of the osteotomy plane;
when the flexion osteotomy is performed, the method comprises the following steps:
(1) Fitting the bottom surface of the reference plate with an osteotomy plane to be osteotomy;
(2) Adjusting two adjusting rotary columns positioned on one side of the front side and the rear side to enable the two adjusting rotary columns to protrude out of the bottom surface of the reference plate, wherein the bottom surface of the reference plate and the osteotomy plane of the bone to be osteotomed form an included angle, namely the osteotomy groove and the osteotomy plane of the bone to be osteotomed form a certain angle on a sagittal plane;
(3) Using a fixing nail, drilling a bone fixing osteotomy plate body in a fixing nail hole, and cutting a bone in the osteotomy groove to adjust the buckling of an osteotomy plane;
when the internal and external osteotomies are performed, the method comprises the following steps:
(1) Fitting the bottom surface of the reference plate with an osteotomy plane to be osteotomy;
(2) Adjusting two adjusting rotary columns positioned on one of the inner side and the outer side to enable the two adjusting rotary columns to protrude out of the bottom surface of the reference plate, wherein the bottom surface of the reference plate and the osteotomy plane of the bone to be osteotomed form an included angle, namely, the osteotomy groove and the osteotomy plane of the bone to be osteotomed form a certain angle on the coronal plane;
(3) The fixing nail is used, the bone fixing osteotomy plate body is drilled into the fixing nail hole, and the bone is osteotomy in the osteotomy groove so as to adjust the inward and outward turning of the osteotomy plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211217656.XA CN115553862A (en) | 2022-09-30 | 2022-09-30 | Multifunctional device for adjusting osteotomy on femoral side in knee joint replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211217656.XA CN115553862A (en) | 2022-09-30 | 2022-09-30 | Multifunctional device for adjusting osteotomy on femoral side in knee joint replacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115553862A true CN115553862A (en) | 2023-01-03 |
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ID=84744102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211217656.XA Pending CN115553862A (en) | 2022-09-30 | 2022-09-30 | Multifunctional device for adjusting osteotomy on femoral side in knee joint replacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115553862A (en) |
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2022
- 2022-09-30 CN CN202211217656.XA patent/CN115553862A/en active Pending
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