CN112617960A - Femur guide plate for total knee joint replacement operation and use method thereof - Google Patents
Femur guide plate for total knee joint replacement operation and use method thereof Download PDFInfo
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- CN112617960A CN112617960A CN202011635789.XA CN202011635789A CN112617960A CN 112617960 A CN112617960 A CN 112617960A CN 202011635789 A CN202011635789 A CN 202011635789A CN 112617960 A CN112617960 A CN 112617960A
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- 210000000689 upper leg Anatomy 0.000 title claims abstract description 138
- 238000000034 method Methods 0.000 title claims abstract description 25
- 210000000629 knee joint Anatomy 0.000 title claims description 21
- 238000001356 surgical procedure Methods 0.000 claims abstract description 47
- 238000013150 knee replacement Methods 0.000 claims abstract description 43
- 238000002271 resection Methods 0.000 claims description 28
- 210000001694 thigh bone Anatomy 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012795 verification Methods 0.000 abstract description 3
- 238000010146 3D printing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000003141 lower extremity Anatomy 0.000 description 3
- 238000011883 total knee arthroplasty Methods 0.000 description 3
- 208000008558 Osteophyte Diseases 0.000 description 2
- 241001227561 Valgus Species 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 2
- 201000010934 exostosis Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 208000005189 Embolism Diseases 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
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- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 229910052719 titanium Inorganic materials 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
- A61B17/17—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
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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
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/171—Guides or aligning means for drills, mills, pins or wires for external fixation
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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
- A61B17/17—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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- Orthopedic Medicine & Surgery (AREA)
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- Oral & Maxillofacial Surgery (AREA)
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Abstract
The invention provides a femur guide plate for total knee replacement surgery and a using method thereof, the femur guide plate comprises a femur guide plate body, wherein a first side of the femur guide plate body is provided with a femur far-end osteotomy groove aligned with a femur far-end osteotomy surface and a front condyle osteotomy groove aligned with a femur front condyle osteotomy surface, a first sickle blade which is set to be capable of verifying the femur far-end osteotomy amount is inserted in the far-end osteotomy groove, a second sickle blade which is set to be capable of verifying the femur front condyle osteotomy amount is inserted in the front condyle osteotomy groove, a first end of a second side of the femur guide plate body, which is opposite to the first side, is provided with a femur front condyle fitting area, and a second end of a second side of the femur guide plate body, which is opposite to the first side, is provided with a femur inner condyle fitting area. The invention realizes the accurate positioning and installation of the femoral guide plate and the accurate verification of the osteotomy amount of the distal femur and the osteotomy amount of the anterior femur, ensures the accurate positioning of the osteotomy of the operation and improves the safety and the success rate of the operation.
Description
Technical Field
The invention relates to the technical field of total knee joint replacement, in particular to a femoral guide plate for total knee joint replacement surgery and a using method thereof.
Background
The success of Total Knee Arthroplasty (TKA) depends on the positioning of the knee joint, the gap, and soft tissue balance, all of which depend on the correct position for placement of the prosthesis. According to the traditional TKA operation, the operation prediction is carried out only according to the X-ray or CT (computed tomography) angle of the knee joint before an operation, such as the deviation of a lower limb force line, the femoral valgus angle, the femoral external rotation angle and the like, and the rotation of the knee joint can also influence the angle judgment, so that operation errors can be caused. Meanwhile, the mechanical axis and the anatomical axis of the femur are not consistent, and most of the osteotomy positioning is traditionally realized by keeping the valgus angle of the femur fixed, so that corresponding errors can be caused when the lateral arch or the deformity of the femur is formed; the conventional surgical method of the intramedullary or extramedullary positioning instrument has single standard and can not meet the individual requirements. The accuracy of the location depends on the operative experience of the operator, and the intramedullary location has a large amount of bleeding, which may cause embolism.
Disclosure of Invention
The invention provides a femur guide plate for a total knee joint replacement operation and a using method thereof, which are used for solving the defect of poor osteotomy positioning accuracy in the total knee joint replacement operation in the prior art, realizing the accuracy of the osteotomy positioning of the femur guide plate and improving the success rate of the total knee joint replacement operation.
The invention provides a femur guide plate for total knee replacement surgery, which comprises a femur guide plate body, wherein a femur far-end osteotomy groove aligned with a femur far-end osteotomy surface and a front condyle osteotomy groove aligned with a femur front condyle osteotomy surface are arranged on a first side of the femur guide plate body, a first sickle blade set to be capable of verifying the femur far-end osteotomy amount is inserted in the far-end osteotomy groove, a second sickle blade set to be capable of verifying the femur front condyle osteotomy amount is inserted in the front condyle osteotomy groove, a femur front condyle fitting area is arranged at a first end of a second side of the femur guide plate body, which is opposite to the first side, and a femur inner condyle fitting area and a femur outer condyle fitting area are arranged at a second end of the second side of the femur guide plate body, which is opposite to the first side.
According to the femur guide plate for the total knee joint replacement operation, the first end of the femur guide plate body is provided with the femur far-end osteotomy positioning hole, and the femur far-end osteotomy positioning hole is used for being inserted into the first positioning nail which is connected with the femur far-end osteotomy instrument for positioning.
According to the femur guide plate for the total knee joint replacement surgery, two femur far-end osteotomy positioning holes are arranged, and the two femur far-end osteotomy positioning holes are located on the same horizontal line.
According to the femur guide plate for the total knee joint replacement operation, the second end of the femur guide plate body is provided with the femur rear condyle osteotomy positioning hole, and the femur rear condyle osteotomy positioning hole is used for being inserted into a second positioning nail which is connected with a femur rear condyle osteotomy instrument for positioning.
According to the femur guide plate for the total knee joint replacement surgery, two femur posterior condyle osteotomy positioning holes are arranged, and the two femur posterior condyle osteotomy positioning holes are located on the same horizontal line.
According to the femur guide plate for the total knee joint replacement operation, the femur guide plate for the total knee joint replacement operation is of an integrally formed structure.
According to the femoral guide plate for the total knee replacement surgery, which is provided by the invention, the femoral guide plate for the total knee replacement surgery is prepared by adopting a 3D method.
According to the femoral guide plate for the total knee replacement surgery, the material of the femoral guide plate body is medical resin or medical metal.
The invention also provides a using method of the femur guide plate for the total knee replacement surgery, which comprises the following steps:
fitting the femoral anterior condyle fitting area with the femoral anterior condyle in an alignment manner, fitting the femoral medial condyle fitting area with the femoral medial condyle in an alignment manner, and fitting the femoral lateral condyle fitting area with the femoral lateral condyle in an alignment manner;
inserting the first sickle sheet into the distal osteotomy groove, verifying and determining the osteotomy amount of the distal femur;
inserting the second sickle sheet into the anterior condyle osteotomy groove, verifying and determining the osteotomy amount of the femoral anterior condyle;
and (4) respectively carrying out osteotomy on the distal femur and the anterior femur by using an osteotomy instrument.
According to the femur guide plate for the total knee joint replacement surgery and the using method thereof, the alignment fitting with the corresponding femur front condyle, the corresponding femur inner condyle and the corresponding femur outer condyle is realized by arranging the femur front condyle fitting area, the femur inner condyle fitting area and the femur outer condyle fitting area, so that the accurate positioning and installation of the femur guide plate are realized; through setting up distal end osteotomy groove and anterior condyle osteotomy groove to correspondingly insert and establish the sickle blade, realize the accurate verification to distal femur osteotomy volume and the anterior condyle osteotomy volume of thighbone, guarantee the accurate positioning of the osteotomy of operation, improve the security and the success rate of operation, simple structure, convenient operation, the location is accurate.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a side view of a femoral guide for total knee replacement surgery provided in accordance with the present invention;
FIG. 2 is a top view of a femoral guide for total knee replacement surgery provided in accordance with the present invention;
FIG. 3 is a rear view of a femoral guide for total knee replacement surgery provided in accordance with the present invention;
FIG. 4 is a side view of the assembly effect of the femoral guide and femur for total knee replacement surgery provided by the present invention;
FIG. 5 is a rear view of the assembly effect of the femoral guide and the femur for total knee replacement surgery provided by the present invention;
FIG. 6 is a bottom view of the assembly effect of the femoral guide and femur for total knee replacement surgery provided by the present invention;
FIG. 7 is a flow chart of a method of using the femoral guide for total knee replacement surgery according to the present invention;
FIG. 8 is a schematic view of an operation I of the method for using the femoral guide for total knee replacement surgery according to the present invention;
FIG. 9 is a schematic view of operation two of the method for using a femoral guide for total knee replacement surgery according to the present invention;
FIG. 10 is a schematic view of operation three of the method of using the femoral guide for total knee replacement surgery according to the present invention;
FIG. 11 is a schematic view of operation four of the method of using the femoral guide for total knee replacement surgery according to the present invention;
FIG. 12 is a schematic view of operation five of the method for using a femoral guide for total knee replacement surgery according to the present invention;
FIG. 13 is a schematic diagram illustrating operation six of the method for using a femoral guide for total knee replacement surgery according to the present invention;
FIG. 14 is a schematic view of operation seven of the method of using the femoral guide for total knee replacement surgery provided in the present invention;
FIG. 15 is a schematic view of a femur after completing osteotomy using the femoral guide for total knee replacement surgery according to the present invention.
Reference numerals:
100. a femoral guide plate body; 110. a distal femoral osteotomy slot; 120. a femoral anterior condyle osteotomy groove; 130. a femoral anterior condyle fitting region; 140. a femoral medial condyle fitting region; 150. a femoral lateral condyle fitting region; 160. a distal femur osteotomy locating hole; 161. a first positioning pin; 170. a femoral posterior condyle osteotomy positioning hole; 171. a second positioning pin; 180. a sickle blade; 200. the femur; 300. a distal femoral osteotomy instrument; 400. the femoral posterior condyle osteotomy instrument.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
A femoral guide plate for total knee replacement surgery according to the present invention is described below with reference to fig. 1 to 6, and includes a femoral guide plate body 100, a first side of the femoral guide plate body 100 is provided with a distal femoral resection slot 110 aligned with a distal femoral resection surface and an anterior femoral resection slot 120 aligned with an anterior femoral resection surface, the distal femoral resection slot 110 is inserted with a first sickle blade configured to verify the amount of the distal femoral resection, the anterior femoral resection slot 120 is inserted with a second sickle blade configured to verify the amount of the anterior femoral resection, a first end of a second side of the femoral guide plate body 100 opposite to the first side is provided with an anterior femoral condyle fitting area 130, and a second end of the second side of the femoral guide plate body 100 opposite to the first side is provided with an inner femoral condyle fitting area 140 and an outer femoral fitting area 150. It will be appreciated that the first, posterior side of the femoral guide plate body 100 is provided with a horizontally disposed distal femoral resection slot 110 and a vertically disposed anterior femoral resection slot 120, wherein the distal femoral resection slot 110 is aligned with the distal femoral resection surface and the anterior femoral resection slot 120 is aligned with the anterior femoral resection surface. The first sickle blade and the second sickle blade can be different sickle blades or the same sickle blade 180 can be used.
Wherein, a sickle blade 180 can be inserted in the femoral anterior condyle osteotomy groove 120 to verify and position the distal femur osteotomy amount. A sickle blade 180 may be inserted into the anterior femoral condyle resection slot 120 to verify and locate the amount of anterior femoral condyle resection. The accuracy and the success rate of the bone cutting process of the operation are improved.
Optionally, the second side of the femoral guide plate body 100 is the front side attached to the femur, the first end is provided with a femoral anterior condyle fitting area 130 aligned and fitted with the corresponding femoral anterior condyle, the two sides of the second end are respectively provided with a femoral medial condyle fitting area 140 aligned and fitted with the corresponding femoral medial condyle and a femoral lateral condyle fitting area 150 aligned and fitted with the corresponding femoral lateral condyle, the accurate positioning and fitting between the femoral guide plate and the femur 200 are realized through the three fitting areas, and the fitting stability is ensured.
According to the femoral guide plate for the total knee replacement surgery provided by the invention, the first end of the femoral guide plate body 100 is provided with a distal femur osteotomy positioning hole 160, and the distal femur osteotomy positioning hole 160 is configured to be inserted into a first positioning nail 161 which is connected with the distal femur osteotomy instrument 300 for positioning. It will be appreciated that the first end of the femoral guide plate body 100 is provided with a horizontally disposed distal resection positioning hole, and that the distal resection positioning hole is located on the underside of the femoral anterior condyle fitting area 130 along the height of the femoral guide plate body 100. The distal femoral osteotomy positioning hole 160 is configured to receive a first positioning pin 161, the first positioning pin 161 being configured to be positioned in connection with the distal femoral osteotomy instrument 300. It can be understood that after the femoral guide plate body 100 is aligned and fitted to the femur, the first positioning nail 161 is inserted into the distal femur osteotomy positioning hole 160 and fixedly connected to the femur 200 to achieve the positioning connection.
According to the femur guide plate for total knee replacement provided by the invention, two distal femur osteotomy positioning holes 160 are provided, and the two distal femur osteotomy positioning holes 160 are located on the same horizontal line. It will be appreciated that, in order to ensure the fixing strength and the positioning accuracy, it is preferable that two distal femur osteotomy positioning holes 160 are provided, and are located on the same horizontal line on the left and right sides below the anterior femur condyle fitting region 130 and are arranged in parallel. That is to say, set up two distal femur osteotomy locating holes 160, can insert first location nail 161 respectively, can be in order to guarantee accurate location, reduce the apical pore number to the distal femur simultaneously.
According to the femoral guide plate for the total knee replacement surgery provided by the invention, the second end of the femoral guide plate body 100 is provided with a femoral posterior condylar osteotomy positioning hole 170, and the femoral posterior condylar osteotomy positioning hole 170 is provided to be inserted into a second positioning nail 171 which is connected and positioned with a femoral posterior condylar osteotomy instrument 400. It will be appreciated that the second end of the femoral guide plate body 100 is provided with a vertically disposed femoral posterior condylar osteotomy positioning aperture 170 for positioning a femoral posterior condylar osteotomy instrument. The femoral posterior condylar resection positioning hole 170 may be inserted with a second positioning pin 171, the second positioning pin 171 being configured to be positioned in connection with the femoral posterior condylar resection instrument 400. It will be appreciated that when the femoral guide plate body 100 is aligned and fitted to the femur, the second positioning pin 171 is inserted into the positioning hole 170 of the femoral posterior condylar osteotomy and fixedly connected to the posterior condyle of the femur 200 to achieve a positioning connection.
According to the femur guide plate for the total knee replacement operation provided by the invention, two femoral posterior condylar osteotomy positioning holes 170 are arranged, and the two femoral posterior condylar osteotomy positioning holes 170 are positioned on the same horizontal line. It is understood that, in order to ensure the fixing strength and the positioning accuracy, it is preferable that two of the positioning holes 170 are provided, and both are provided in the vertical direction, that is, the axes of the two positioning holes 170 are parallel to each other in the vertical direction and are located on the same horizontal line. Specifically, one of the femoral posterior condylar osteotomy positioning holes 170 is arranged in the femoral medial condyle fitting area 140, and the other femoral posterior condylar osteotomy positioning hole 170 is arranged in the femoral lateral condyle fitting area 150, so that the positioning accuracy is ensured to the maximum extent, and the number of the processed femoral posterior condyle nail holes is reduced.
According to the femur guide plate for the total knee joint replacement operation, the femur guide plate for the total knee joint replacement operation is of an integrally formed structure. In some more preferred embodiments, the femoral guide is prepared using 3D printing. It can be understood that the femur guide plate is prepared by 3D printing, any slight deformity or osteophyte is considered through preoperative design and rehearsal, and the size, the position and the rotation of the femur guide plate can be determined in advance, so that the lower limb force line can be adjusted conveniently, the lower limb force line is close to the neutral position force line, the position of the femur guide plate is placed more accurately, the femur guide plate is completely fit with the contour of the femur 200, and the individualized accurate design is realized.
According to the femur guide plate for the total knee replacement surgery, the femur guide plate is made of medical resin or medical metal. Preferably, the medical resin and the medical metal are both existing materials, for example, the medical resin can be polyethylene, polyetheretherketone, polyacetic acid, etc., and the medical metal can be metal titanium, titanium alloy, stainless steel, etc.
The following describes a method for using a femoral guide for total knee replacement surgery according to the present invention, and the method for using the femoral guide for total knee replacement surgery described below and the femoral guide for total knee replacement surgery described above may be referred to with each other.
As shown in fig. 7 to 15, the present invention also provides a method for using a femoral guide for total knee replacement surgery, comprising the steps of:
fitting the femoral anterior condyle fitting area 130 and the femoral anterior condyle in an alignment manner, fitting the femoral medial condyle fitting area 140 and the femoral medial condyle in an alignment manner, and fitting the femoral lateral condyle fitting area 150 and the femoral lateral condyle in an alignment manner;
inserting the sickle blade 180 into the distal femoral resection slot 110, verifying and determining the amount of resection of the distal femur;
inserting the sickle blade 180 into the femoral anterior condyle osteotomy slot 120, verifying and determining the amount of femoral anterior condyle osteotomy;
and (4) respectively carrying out osteotomy on the distal femur and the anterior femur by using an osteotomy instrument.
The invention discloses a using method of a femur guide plate for total knee replacement surgery, which comprises the following steps:
a preparation step of determining the osteotomy position and angle in advance by preoperative design and drill considering any slight deformity or osteophyte of the patient; 3D printing is carried out on the femoral guide plate body 100, a femoral distal resection groove 110 and a femoral anterior condyle resection groove 120 are designed on the first side of the femoral guide plate body 100, a femoral anterior condyle fitting area 130, a femoral medial condyle fitting area 140 and a femoral lateral condyle fitting area 150 are designed on the second side of the femoral guide plate body 100, and the preparation of the individualized femoral guide plate is completed;
s101, removing cartilage at the fitting position of the distal femur;
s102, aligning and fitting the femoral guide plate and the femur, wherein the aligning and fitting of the femoral anterior condyle fitting area 130 and the femoral anterior condyle, the aligning and fitting of the femoral medial condyle fitting area 140 and the femoral medial condyle, and the aligning and fitting of the femoral lateral condyle fitting area 150 and the femoral lateral condyle are included;
s103, respectively passing the two first positioning nails 161 through the two distal femur osteotomy positioning holes 160 in a one-to-one correspondence manner and fixedly connecting with the distal femur, and respectively passing the two second positioning nails 171 through the two posterior femur osteotomy positioning holes 170 in a one-to-one correspondence manner and fixedly connecting with the posterior femur;
s104, inserting the sickle blade 180 into the femur far-end osteotomy groove 110, verifying and determining the osteotomy amount of the femur far end, inserting the sickle blade 180 into the femur front-condyle osteotomy groove 120, verifying and determining the osteotomy amount of the femur front condyle;
s105, removing the second positioning pin 171;
s106, removing the femoral guide plate along the first positioning nail 161;
s107, correspondingly assembling the distal femur osteotomy instrument 300 on the two first positioning nails 161 to perform a distal femur osteotomy operation;
s108, after the distal femur osteotomy is completed, removing the first positioning nail 161 and the distal femur osteotomy instrument 300;
s109, mounting the second positioning nail 171 in a nail hole of the femoral posterior condyle, wherein the first positioning nail 161 and the second positioning nail 171 used in the process of the distal femur osteotomy and the femoral posterior condyle osteotomy can be the same or different;
s110, correspondingly assembling the femoral posterior condylar osteotomy instrument 400 on the two second positioning nails 171;
s111, performing a femoral posterior condyle osteotomy operation, wherein the femoral posterior condyle osteotomy operation comprises four-in-one osteotomy of femoral posterior condyle, femoral anterior condyle, femoral oblique anterior and femoral oblique posterior;
s112, removing the femoral posterior condylar osteotomy instrument 400 and the second locating pin 171.
According to the femur guide plate for the total knee joint replacement surgery and the using method thereof, the alignment fitting with the corresponding femur front condyle, the corresponding femur inner condyle and the corresponding femur outer condyle is realized by arranging the femur front condyle fitting area, the femur inner condyle fitting area and the femur outer condyle fitting area, so that the accurate positioning and installation of the femur guide plate are realized; through setting up distal end osteotomy groove and anterior condyle osteotomy groove to correspondingly insert and establish the sickle blade, realize the accurate verification to distal femur osteotomy volume and the anterior condyle osteotomy volume of thighbone, guarantee the accurate positioning of the osteotomy of operation, improve the security and the success rate of operation, simple structure, convenient operation, the location is accurate.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (10)
1. The utility model provides a thighbone baffle for total knee joint replacement surgery, its characterized in that, includes the thighbone baffle plate body, the first side of thighbone baffle plate body is equipped with the distal femur section groove that aligns with distal femur section face and the anterior condyle section groove that aligns with anterior femur condyle section face, the distal end is cut the inslot and is inserted and establish the first sickle blade that is set up to the distal femur section volume of verifying, the anterior condyle section inslot is inserted and is established the second sickle blade that is set up to the anterior femur section volume of verifying, the first end of thighbone baffle plate body and the second side that first side was the back of the body mutually is equipped with anterior femur condyle fitting area, the second end of thighbone baffle plate body and the second side that first side was the back of the body is equipped with inboard condyle fitting area of thighbone and the lateral femur fitting area of thighbone.
2. The femoral guide plate for total knee replacement surgery of claim 1, wherein the first end of the femoral guide plate body is provided with a distal femoral osteotomy positioning hole configured to insert a first positioning pin positioned in connection with a distal femoral osteotomy instrument.
3. The femoral guide plate for total knee replacement surgery according to claim 2, wherein there are two of the distal femoral resection positioning holes, and the two distal femoral resection positioning holes are located on the same horizontal line.
4. The femoral guide plate for total knee replacement surgery of claim 1, wherein the second end of the femoral guide plate body is provided with a femoral posterior condylar osteotomy positioning hole configured to receive a second positioning pin for positioning in connection with a femoral posterior condylar osteotomy instrument.
5. The femoral guide plate for total knee replacement surgery of claim 4, wherein there are two of said femoral posterior condylar resection positioning holes, and said two femoral posterior condylar resection positioning holes are located on the same horizontal line.
6. The femoral guide for total knee replacement surgery according to claim 1, wherein the femoral guide for total knee replacement surgery is an integrally molded structure.
7. The femoral guide for total knee replacement surgery of claim 6, wherein the femoral guide for total knee replacement surgery is prepared using a 3D method.
8. The femoral guide for total knee replacement surgery according to any one of claims 1 to 7, wherein the material of the femoral guide plate body is medical resin.
9. The femoral guide plate for total knee replacement surgery according to any one of claims 1 to 7, wherein the material of the femoral guide plate body is medical metal.
10. A method of using the femoral guide for total knee replacement surgery of any one of claims 1 to 9, comprising the steps of:
fitting the femoral anterior condyle fitting area with the femoral anterior condyle in an alignment manner, fitting the femoral medial condyle fitting area with the femoral medial condyle in an alignment manner, and fitting the femoral lateral condyle fitting area with the femoral lateral condyle in an alignment manner;
inserting the first sickle sheet into the distal osteotomy groove, verifying and determining the osteotomy amount of the distal femur;
inserting the second sickle sheet into the anterior condyle osteotomy groove, verifying and determining the osteotomy amount of the femoral anterior condyle;
and respectively carrying out osteotomy on the distal femur and the anterior femur by using an osteotomy instrument.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011635789.XA CN112617960B (en) | 2020-12-31 | 2020-12-31 | Femur guide plate for total knee joint replacement operation and use method thereof |
| PCT/CN2021/127786 WO2022142696A1 (en) | 2020-12-31 | 2021-10-30 | Femoral guide plate for total knee arthroplasty, and method for using femoral guide plate |
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| CN202011635789.XA CN112617960B (en) | 2020-12-31 | 2020-12-31 | Femur guide plate for total knee joint replacement operation and use method thereof |
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| CN112617960A true CN112617960A (en) | 2021-04-09 |
| CN112617960B CN112617960B (en) | 2022-02-08 |
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| CN202011635789.XA Active CN112617960B (en) | 2020-12-31 | 2020-12-31 | Femur guide plate for total knee joint replacement operation and use method thereof |
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| WO (1) | WO2022142696A1 (en) |
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| CN113197617A (en) * | 2021-04-23 | 2021-08-03 | 长安大学 | Adjustable individualized femur osteotomy positioning and guiding device |
| CN113983888A (en) * | 2021-10-20 | 2022-01-28 | 北京长木谷医疗科技有限公司 | Knee joint operation guide plate precision verification device and verification method thereof |
| CN113995465A (en) * | 2021-10-28 | 2022-02-01 | 北京长木谷医疗科技有限公司 | Femur osteotomy device and femur osteotomy guide plate assembly |
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| CN117257388B (en) * | 2023-11-23 | 2024-03-01 | 北京爱康宜诚医疗器材有限公司 | Osteotomy guide plate device |
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| WO2022142696A1 (en) | 2022-07-07 |
| CN112617960B (en) | 2022-02-08 |
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Address after: 100176 402, 4th floor, building 28, yard 18, Kechuang 13th Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: Beijing Changmugu Medical Technology Co.,Ltd. Patentee after: Changmugu medical technology (Qingdao) Co.,Ltd. Patentee after: Zhang Yiling Address before: 100176 402, 4th floor, building 28, yard 18, Kechuang 13th Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee before: BEIJING CHANGMUGU MEDICAL TECHNOLOGY Co.,Ltd. Patentee before: Changmugu medical technology (Qingdao) Co.,Ltd. Patentee before: Zhang Yiling |