CN113520779A - Orthopedic joint osteotomy replacement instrument - Google Patents
Orthopedic joint osteotomy replacement instrument Download PDFInfo
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- CN113520779A CN113520779A CN202110744323.1A CN202110744323A CN113520779A CN 113520779 A CN113520779 A CN 113520779A CN 202110744323 A CN202110744323 A CN 202110744323A CN 113520779 A CN113520779 A CN 113520779A
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- supporting plate
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- osteotome
- osteotomy
- seat
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
- A61G13/1245—Knees, upper or lower legs
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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
- A61B17/1732—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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/128—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2210/00—Devices for specific treatment or diagnosis
- A61G2210/10—Devices for specific treatment or diagnosis for orthopedics
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Dentistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention discloses an orthopedic joint osteotomy replacement instrument, which is characterized in that: the bone cutting device comprises a base, a first supporting plate, a second supporting plate and a bone cutting part, wherein the first supporting plate is used for supporting a thigh part, and the second supporting plate is used for supporting a shank part; the invention adopts an external positioning structure, because thighs and calves are supported on the first supporting plate and the second supporting plate, the relative angles of thighbones and shinbones are relatively fixed, the osteotome is fixed on the sliding block, accurate position movement can be realized through an axial driving part (a lead screw motor), and meanwhile, the osteotome is not easy to shift after the position is determined, wherein two sides of a fixed seat of the osteotome are respectively in up-and-down sliding connection with the sliding blocks at two sides and are fixed through a fixing part, and the adjustment of the bone surface contact position corresponding to the thighbones and the shinbones can be realized, thereby meeting the requirements of sizes of the thighbones and the shinbones of different patients.
Description
Technical Field
The invention relates to a medical instrument, in particular to an orthopedic joint osteotomy replacement instrument.
Background
The knee joint replacement is a joint replacement operation which is very common in the orthopedic surgery, and is simply to replace an artificially designed prosthesis component with cartilage which is damaged in the knee joint and influences the normal movement of the joint and a drumhead part below the cartilage, wherein the replacement is to perform the operation of cutting bones, implanting a prosthesis and cleaning the joint surface. Each step taking into account whether the relevant function is affected, whether the prosthesis is suitable, and whether it is sufficiently strong after fixation, etc.
Currently, knee joint replacement surgery is generally performed on a conventional operating bed, which has many problems, such as: in the knee joint operation, the knee cannot be supported well in the knee bending operation process, so that the position is not kept, the cutting of bone tissues and the implantation of a prosthesis are not facilitated; generally, the osteotome needs to be positioned through the implantation nail, so that the bone mass of a bone tissue at a non-treatment position is damaged in the operation process, particularly, after positioning misoperation, the osteotome is implanted again, and after the osteotome is implanted at a position close to the original circular hole, the osteotome is easy to displace in the operation process, so that the positioning and the osteotome amount are inaccurate, the prosthesis matching error is caused, and the risks of postoperative healing and secondary operation are influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the orthopedic joint osteotomy replacement instrument with a reasonable structural design.
The technical scheme adopted by the invention for solving the problems is as follows: an orthopedic joint osteotomy replacement instrument comprises a base, a first support plate, a second support plate and an osteotomy component;
the first supporting plate is used for supporting the thigh part, and the second supporting plate is used for supporting the shank part; one end of the first supporting plate is longitudinally hinged with one end of the second supporting plate through a hinge part, the knee joint part is arranged at the hinged part of the first supporting plate and the second supporting plate, the other end of the first supporting plate is connected with the base through a first hinge seat, the other end of the second supporting plate is connected with the base through a second hinge seat, and the second hinge seat is slidably arranged in a longitudinal sliding groove of the base and is driven by a front driving part and a rear driving part;
the osteotomy part comprises a mounting part and an osteotome, the mounting part comprises two groups of mounting plates, an axial driving part and a fixed seat, the two groups of mounting plates are provided with the axial driving part, the axial driving part is matched with the sliding block to drive the sliding block to move axially, the two groups of mounting plates are arranged at two sides of the first support plate or the second support plate, the two sides of the fixed seat are respectively connected with the sliding blocks at the two sides in a vertical sliding way and fixed by a fixing part, the sliding direction of the sliding block is parallel to the second supporting plate or the second supporting plate, the sliding direction of the fixed seat is vertical to the sliding direction of the sliding block, the fixing seat is provided with a mounting groove adapted to mount the osteotome, the osteotome is mounted and adapted in the mounting groove, the mounting groove adapts to osteotomes of various models, and the second support plate is provided with a sole fixing piece in a sliding mode through the sliding seat and is fastened through a fastening piece.
Further: mounting groove upper end be provided with interior extension border, interior extension border sets up first adjusting bolt along four group corners, cut bone ware front and back both sides be provided with the shaft hole, the connecting axle is worn to locate fixing base and shaft hole cooperation for cut the relative shaft hole position of bone ware and rotate, first adjusting bolt and the bottom end face contact adaptation of cutting bone ware, cut bone ware downside salient in fixing base bottom.
Further: the osteotome ware be adapted with a plurality of osteotome groove parts, osteotome groove parts include cell body and installation casing, the cell body be provided with the osteotome trench, cell body upper end both sides rotate the inslot that sets up at the installation casing through the articulated shaft, the lower extreme both sides of cell body are provided with the regulating spindle, the regulating spindle slides and sets up in the arc wall of installation casing, the arc center of arc wall unanimously with the articulated shaft axle center, the regulating spindle be provided with fastening nut and make the regulating spindle at arc wall rigidity, the installation casing establish through dismantling buckle structure card and fix in the installation position of osteotome ware.
Further: the sole fixing piece is rotatably arranged on the sliding seat through the rotating shaft and is fastened through the fastening piece.
Further: the front and back driving part, the axial driving part and the sliding part are all screw rod motors.
Further: the mounting panel be connected with first backup pad or second backup pad through dismantling the grafting buckle, first backup pad or second backup pad both sides be provided with a plurality of draw-in grooves with the buckle adaptation.
Further: the end surfaces of the first supporting plate and the second supporting plate are provided with grooves.
Further: one end of the second supporting plate is connected with the hinge component in a left-right rotating mode, the other end of the second supporting plate is connected with the second cross connection seat in a left-right rotating mode, the second hinge connection seat slides left and right and is arranged on the sliding rod, and two ends of the sliding rod are arranged on the longitudinal sliding groove of the base in a sliding mode through the sliding block.
Compared with the prior art, the invention has the following advantages and effects:
(1) the first supporting plate and the second supporting plate are hinged, the angle is adjustable, the angle can be changed in an adaptation mode in the operation process, meanwhile, in the operation process, the thigh and the shank are effectively supported, good support is achieved in the bone cutting and prosthesis implanting processes, and displacement is not prone to occurring;
(2) the invention adopts an external positioning structure, because thighs and calves are supported by a first supporting plate and a second supporting plate, the relative angles of thighbones and shinbones are relatively fixed, a bone cutter is fixed on a sliding block, accurate position movement can be realized through an axial driving part (a lead screw motor), and meanwhile, the relative angles are not easy to shift after the position is determined;
(3) the left and right inclination angles of the fixed seat relative to the end surfaces of the first supporting plate and the second supporting plate are changed, so that the fixed seat can be attached to the bone surface in a position suitable for the bone surface according to actual requirements, and the bone is cut under the condition that the position is kept fixed, so that the inclination angles of the bone surfaces of the femur and the tibia in the left and right directions of the osteotome are well matched;
(4) the sole fixing piece is rotatably arranged on the sliding seat through the rotating shaft and is fastened at the position through the fastening piece, so that the matching position of the tibia and the femoral joint is adjusted by adjusting the position of the sole, on one hand, the proper knee bending angle is more conveniently ensured, the bone cutting of the knee joint part is facilitated, on the other hand, the matching condition of the prosthesis is observed for the knee bending at each angle after the prosthesis is implanted;
(5) the structure can realize the adjustment of the osteotomy inclination angle of the osteotomy groove through the adjusting component, thereby meeting the adjustment requirements of the osteotomy directions at different positions of tibia and femur;
(6) one end of the second supporting seat is hinged with the hinge component in a left-right mode, the other end of the second supporting seat is hinged with the second hinge seat in a left-right mode, the second supporting plate can be hinged to the upper side relatively, and the lower portion of the second supporting seat moves leftwards and rightwards to enable the leg portion which is suitable for genu varum or genu valgus deformity in the initial stage of operation to be fixed.
Drawings
Fig. 1 is a schematic structural view of an orthopedic joint osteotomy replacement instrument according to an embodiment of the present invention.
Figure 2 is a schematic structural view of an osteotomy member of an embodiment of the present invention.
Figure 3 is a schematic structural view of an osteotome configuration in accordance with an embodiment of the present invention.
Figure 4 is a schematic structural view of an osteotomy groove component of an embodiment of the present invention.
Fig. 5 is a schematic structural view of a sole fixing member according to an embodiment of the present invention.
The reference numbers: the bone cutting machine comprises a base 1, a first support plate 2, a second support plate 3, a bone cutting part 4, a hinge part 51, a first hinge seat 52, a second hinge seat 53, a longitudinal sliding groove 11, a front and back driving part 12, a sliding block 70, a bone cutting device 6, a mounting plate 71, an axial driving part 72, a fixing seat 73, a mounting groove 74, a sole fixing part 75, a binding band 76, an inner extending edge 61, a first adjusting bolt 62, a shaft hole 63, a connecting shaft 64, a groove body 65, a mounting shell 66, a hinge shaft 67, an adjusting shaft 68, an arc-shaped groove 69, a fastening nut 610, a sliding rod 31, a sliding block 13, a groove 77, a sliding seat 751 and a rotating shaft 752.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Referring to fig. 1-5, the present embodiment is an orthopaedic joint osteotomy replacement device comprising a base 1, a first support plate 2, a second support plate 3, and an osteotomy member 4;
the first supporting plate 2 is used for supporting a thigh part, and the second supporting plate 3 is used for supporting a shank part; one end of the first supporting plate 2 is longitudinally hinged with one end of the second supporting plate 3 through a hinge component 51, the knee joint part is arranged at the hinged part of the first supporting plate 2 and the second supporting plate 3, the other end of the first supporting plate 2 is connected with the base 1 through a first hinge seat 52, the other end of the second supporting plate 3 is connected with the base 1 through a second hinge seat 53, and the second hinge seat 53 is slidably arranged in a longitudinal chute 11 of the base 1 and is driven by a front-back driving component 12;
the osteotomy part 4 comprises an installation part and an osteotome 6, the installation part comprises two groups of installation plates 71, an axial driving part 72 and a fixed seat 73, the two groups of installation plates 71 are provided with the axial driving part 72, the axial driving part 72 and a sliding block 70 are matched to drive the sliding block 70 to move axially, the two groups of installation plates 71 are installed at two sides of the first support plate 2 or the second support plate 3, two sides of the fixed seat 73 are respectively in up-down sliding connection with the sliding blocks 70 at two sides and are fixed through a fixing piece (a fastening bolt fixing piece), the sliding direction of the sliding block 70 is parallel to the second support plate 3 or the second support plate 3, the sliding direction of the fixed seat 73 is vertical to the sliding direction of the sliding block 70, the fixed seat 73 is provided with an installation groove 74 matched with the osteotome 6, the osteotome 6 is installed and matched in the installation groove 74, the installation groove 74 is matched with the osteotomes 6 of various models, the second supporting plate 3 is provided with a sole fixing piece 75 in a sliding manner through a sliding seat 751 and is fastened through a fastener (a bolt fixing piece), the sole position is fixed and positioned, the lower leg is prevented from sliding downwards, the position of the joint position is effectively ensured not to shift stably, the osteotome 6 can be positioned well, the osteotome is accurate, the adaptation installation and the operation effect of the prosthesis are ensured, the mounting plate 71 is connected with the first supporting plate 2 or the second supporting plate 3 through a detachable plug buckle, a plurality of clamping grooves matched with the buckle are arranged on two sides of the first supporting plate 2 or the second supporting plate 3, the mounting plate 71 can be fixed by the clamping grooves in the proper positions according to the actual requirements, the mounting plate 71 is further provided with a binding band 76, the end part of the binding band 76 is also matched and fixed with the clamping grooves through a buckle structure, the end faces of the first supporting plate 2 and the second supporting plate 3 are provided with a slot 77, the arrangement of the surgical retractor and the operation of the surgery are convenient to adapt to the slot 77.
The present embodiment relates to a medical instrument for orthopedics, particularly for knee replacement surgery, wherein in the present embodiment, a first support plate 2 is used for supporting a thigh part, and a second support plate 3 is used for supporting a shank part; the first supporting plate 2 is hinged with the second supporting plate 3, and the knee joint part is arranged at the hinged part of the first supporting plate 2 and the second supporting plate 3; in the structure, the first supporting plate 2 and the second supporting plate 3 are hinged and adjustable in angle, so that the angle can be changed in an adaptive manner in the operation process, and simultaneously, thigh and shank parts are effectively supported in the operation process, so that the osteotomy and the prosthesis implantation process have good support and are not easy to shift, wherein in the embodiment, compared with the traditional operation, the osteotomy 6 is required to be positioned with a bone surface through implantation of implantation nails, so that bone tissue loss is caused, the invention adopts an external positioning structure, because the thigh and the shank are supported on the first supporting plate 2 and the second supporting plate 3, the relative angle of the femur and the tibia is relatively fixed, the osteotomy 6 is fixed on a sliding block 70, accurate position movement can be realized through an axial driving part 72 (a lead screw motor), and simultaneously, the position is not easy to shift after the position is determined, wherein two sides of a fixed seat 73 of the osteotomy 6 are respectively connected with the sliding blocks 70 at two sides in an up-and-down sliding manner and are fixed through fixing parts, can realize with the regulation that corresponds the bone surface contact position of thighbone and shin bone to adapt to the demand of different patients' thighbone and shin bone position size, this product in the installation groove 74 of fixing base 73 can the osteotomy ware 6 of cutting of multiple model (cut the osteotomy ware 6 that the bone orientation difference of cutting bone position and cutting bone groove was provided with multiple specification), be convenient for cut the bone to different positions according to the operation demand.
In this embodiment, the upper end of the mounting groove 74 is provided with an inner extension edge 61, four sets of corners of the inner extension edge 61 are provided with first adjusting bolts 62, the front and rear sides of the osteotome 6 are provided with shaft holes 63, a connecting shaft 64 is arranged through a fixing seat 73 to be matched with the shaft holes 63, so that the osteotome 6 rotates relative to the shaft holes 63, the first adjusting bolts 62 are in contact fit with the bottom end surface of the osteotome 6, the lower side of the osteotome 6 protrudes out of the bottom of the fixing seat 73, because the trend of the bone surface of the femur and the tibia cannot be well matched with the inclination angle of the osteotome 6 in the left and right directions, under the condition that the fixing seat 73 is arranged in a sliding manner to adjust the joint distance with the bone surface, the offset position arranged on the bone surface joint is adjusted in an adaptive manner, wherein the left and right inclination angles of the fixing seat 73 relative to the end surfaces of the first support plate 2 and the second support plate 3 are changed by specifically adjusting bolts in four directions in an adaptive manner, thereby can laminate with bone face adaptation position according to actual demand, under the unchangeable condition of position holding, cut the bone.
The sole fixing member 75 in this embodiment is rotatably disposed on the sliding seat 751 through the rotating shaft 752 and is fastened by the fastening member, so that the matching position of the tibia and the femoral joint is adjusted by adjusting the position of the sole, on one hand, a proper knee bending angle is more conveniently ensured, and the knee bending at each angle is conveniently observed to match the prosthesis after the prosthesis is implanted.
The osteotome 6 in this embodiment is adapted with a number of osteotomy slot members, including a slot body 65 and a mounting housing 66, the groove body 65 is provided with a bone cutting groove position, two sides of the upper end of the groove body 65 are rotatably arranged in the groove of the mounting shell 66 through a hinge shaft 67, two sides of the lower end of the groove body 65 are provided with adjusting shafts 68, the adjusting shafts 68 are slidably arranged in an arc-shaped groove 69 of the mounting shell 66, the arc center of the arc groove 69 is consistent with the axis of the hinge shaft 67, the adjusting shaft 68 is provided with a fastening nut 610 to fix the adjusting shaft 68 at the arc groove 69, the installation casing 66 is clamped and fixed in the installation position of the osteotomy device 6 through a detachable buckle structure, and the adjustment of the osteotomy inclination angle of the osteotomy groove can be realized through the adjusting component, so that the adjustment requirements of the osteotomy directions at different positions of tibia and femur are met.
In this embodiment, one end of the second supporting plate 3 is connected to the hinge member 51 in a left-right rotating manner, the other end of the second supporting plate 3 is connected to the second cross seat in a left-right rotating manner, the second hinge seat 53 is slidably disposed on the sliding rod 31 in a left-right sliding manner, and two ends of the sliding rod 31 are slidably disposed on the longitudinal sliding slot 11 of the base 1 through the sliding block 13, for example, when performing a correction operation on varus genu or valgus deformity, one end of the second supporting seat described in the present invention is hinged to the hinge member 51 in a left-right manner, and the other end of the second supporting seat is hinged to the second hinge seat 53 in a left-right manner, so that the second supporting plate 3 can perform a relative upper side hinge portion and a lower portion moves to the left and right sides, so that a leg suitable for varus genu or valgus deformity at the initial stage of the operation can be fixed.
The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (8)
1. An orthopedic joint osteotomy replacement instrument, comprising: comprises a base, a first supporting plate, a second supporting plate and an osteotomy part;
the first supporting plate is used for supporting the thigh part, and the second supporting plate is used for supporting the shank part; one end of the first supporting plate is longitudinally hinged with one end of the second supporting plate through a hinge part, the knee joint part is arranged at the hinged part of the first supporting plate and the second supporting plate, the other end of the first supporting plate is connected with the base through a first hinge seat, the other end of the second supporting plate is connected with the base through a second hinge seat, and the second hinge seat is slidably arranged in a longitudinal sliding groove of the base and is driven by a front driving part and a rear driving part;
the osteotomy part comprises a mounting part and an osteotome, the mounting part comprises two groups of mounting plates, an axial driving part and a fixed seat, the two groups of mounting plates are provided with the axial driving part, the axial driving part is matched with the sliding block to drive the sliding block to move axially, the two groups of mounting plates are arranged at two sides of the first support plate or the second support plate, the two sides of the fixed seat are respectively connected with the sliding blocks at the two sides in a vertical sliding way and fixed by a fixing part, the sliding direction of the sliding block is parallel to the second supporting plate or the second supporting plate, the sliding direction of the fixed seat is vertical to the sliding direction of the sliding block, the fixing seat is provided with a mounting groove adapted to mount the osteotome, the osteotome is mounted and adapted in the mounting groove, the mounting groove adapts to osteotomes of various models, and the second support plate is provided with a sole fixing piece in a sliding mode through the sliding seat and is fastened through a fastening piece.
2. The orthopedic articular osteotomy replacement instrument of claim 1, wherein: mounting groove upper end be provided with interior extension border, interior extension border sets up first adjusting bolt along four group corners, cut bone ware front and back both sides be provided with the shaft hole, the connecting axle is worn to locate fixing base and shaft hole cooperation for cut the relative shaft hole position of bone ware and rotate, first adjusting bolt and the bottom end face contact adaptation of cutting bone ware, cut bone ware downside salient in fixing base bottom.
3. The orthopedic articular osteotomy replacement instrument of claim 2, wherein: the osteotome ware be adapted with a plurality of osteotome groove parts, osteotome groove parts include cell body and installation casing, the cell body be provided with the osteotome trench, cell body upper end both sides rotate the inslot that sets up at the installation casing through the articulated shaft, the lower extreme both sides of cell body are provided with the regulating spindle, the regulating spindle slides and sets up in the arc wall of installation casing, the arc center of arc wall unanimously with the articulated shaft axle center, the regulating spindle be provided with fastening nut and make the regulating spindle at arc wall rigidity, the installation casing establish through dismantling buckle structure card and fix in the installation position of osteotome ware.
4. The orthopedic articular osteotomy replacement instrument of claim 3, wherein: the sole fixing piece is rotatably arranged on the sliding seat through the rotating shaft and is fastened through the fastening piece.
5. The orthopedic articular osteotomy replacement instrument of claim 4, wherein: the front and back driving part, the axial driving part and the sliding part are all screw rod motors.
6. The orthopedic articular osteotomy replacement instrument of claim 5, wherein: the mounting panel be connected with first backup pad or second backup pad through dismantling the grafting buckle, first backup pad or second backup pad both sides be provided with a plurality of draw-in grooves with the buckle adaptation.
7. The orthopedic articular osteotomy replacement instrument of claim 6, wherein: the end surfaces of the first supporting plate and the second supporting plate are provided with grooves.
8. The orthopedic articular osteotomy replacement instrument of claim 7, wherein: one end of the second supporting plate is connected with the hinge component in a left-right rotating mode, the other end of the second supporting plate is connected with the second cross connection seat in a left-right rotating mode, the second hinge connection seat slides left and right and is arranged on the sliding rod, and two ends of the sliding rod are arranged on the longitudinal sliding groove of the base in a sliding mode through the sliding block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110744323.1A CN113520779B (en) | 2021-07-01 | 2021-07-01 | Orthopedics joint cuts bone replacement apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110744323.1A CN113520779B (en) | 2021-07-01 | 2021-07-01 | Orthopedics joint cuts bone replacement apparatus |
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| CN113520779A true CN113520779A (en) | 2021-10-22 |
| CN113520779B CN113520779B (en) | 2022-06-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748125A (en) * | 2022-04-15 | 2022-07-15 | 临汾市中心医院 | Distal femur extramedullary positioning bone cutter in knee joint replacement operation of orthopedics |
| CN115844600A (en) * | 2023-01-17 | 2023-03-28 | 山东省医疗器械和药品包装检验研究院 | Device and method for measuring relative angular movement of knee joint prosthesis |
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| CN114748125B (en) * | 2022-04-15 | 2022-12-27 | 临汾市中心医院 | Distal femur extramedullary positioning bone cutter in knee joint replacement operation of orthopedics |
| CN115844600A (en) * | 2023-01-17 | 2023-03-28 | 山东省医疗器械和药品包装检验研究院 | Device and method for measuring relative angular movement of knee joint prosthesis |
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