CN112617958B - Novel thighbone condyle cuts bone subassembly - Google Patents

Novel thighbone condyle cuts bone subassembly Download PDF

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Publication number
CN112617958B
CN112617958B CN202011365460.6A CN202011365460A CN112617958B CN 112617958 B CN112617958 B CN 112617958B CN 202011365460 A CN202011365460 A CN 202011365460A CN 112617958 B CN112617958 B CN 112617958B
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base plate
condyle
femoral
thighbone
substrate
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CN112617958A (en
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郝孟娟
解凤宝
史春宝
吕昌禹
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Beijing Chunlizhengda Medical Instruments Co Ltd
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Beijing Chunlizhengda Medical Instruments Co Ltd
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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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4684—Trial or dummy prostheses

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Dentistry (AREA)
  • Transplantation (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Prostheses (AREA)

Abstract

The utility model belongs to the technical field of an orthopedic surgery equipment and specifically relates to a novel thighbone condyle cuts bone subassembly is related to, include the curved body identical with thighbone terminal surface radian, the body be close to the position of thighbone coaster and offer the breach portion that is used for the secondary to cut the bone, breach portion on be provided with the cooperation of breach portion and use thighbone coaster spare. This application has the position that the breach portion of seting up on the body can be used for confirming the thighbone coaster that needs the secondary to cut the bone, cuts the bone at the secondary and accomplishes the back, closes thighbone coaster spare lid in breach portion, forms complete thighbone examination condyle, is close the effect of human natural thighbone condyle more.

Description

Novel thighbone condyle cuts bone subassembly
Technical Field
The application relates to the field of orthopedic surgery equipment, in particular to a novel femoral condyle osteotomy component.
Background
Modern artificial knee joint replacement surgery replaces and reconstructs a damaged joint by using an artificial biomaterial so as to relieve symptoms, eliminate pain, recover and improve joint functions and improve life quality. The symptoms of osteonecrosis, people who have no reduction after the trailing of comminuted fracture, osteoarthropathy with pain and dyskinesia, rheumatoid arthritis with stiffness or difficult movement and the like can be remarkably relieved or eliminated, the range of joint movement can be improved to a certain extent, and the appearance of deformed limbs can be obviously improved.
Artificial knee replacement is a positive procedure, but the technical requirements are high. The accuracy of the positioning of the intercondylar osteotomy can affect the stability of the prosthesis, increasing the impact and wear of the bone and the prosthesis. During the artificial joint replacement operation, whether the position of the femur osteotomy is correct needs to be verified by pre-assembling the femur trial condyle.
Usually, the femur surface is cut at a damaged or necrotic part for the first time, and after the trial condyle is installed, the femur needs to be cut for the second time, and then other instruments are needed to position the position of the secondary cut.
In view of the above-mentioned related technologies, the inventor believes that positioning the secondary osteotomy position by other instruments in the condylar trial can prolong the operation time and increase the operation risk, and the condylar trial needs to be closer to the natural femoral condyle of the human body, otherwise it is difficult to find a proper prosthesis for installation.
Disclosure of Invention
In order to improve the position that needs fix a position secondary osteotomy when trying the condyle with the help of other apparatus and try the condyle and not conform to the problem of human femoral condyle, this application provides a novel femoral condyle osteotomy subassembly.
The application provides a novel thighbone condyle cuts bone subassembly adopts following technical scheme:
the utility model provides a novel thighbone condyle cuts bone subassembly, includes the curved body identical with thighbone terminal surface radian the body be close to the position of thighbone coaster and offer the breach portion that is used for the secondary to cut the bone, breach portion on be provided with the thighbone coaster spare that breach portion cooperation was used.
Through adopting above-mentioned technical scheme, the breach portion of seting up on the body can be used for confirming the position of the thighbone coaster that needs the secondary to cut the bone, cuts the bone completion back at the secondary, closes thighbone coaster spare lid in breach portion, forms complete thighbone examination condyle, is close to human natural thighbone condyle more, can make preparation for follow-up installation false body condyle.
Optionally, the femoral pulley component includes an arc pulley module, and the end surface of the pulley module close to the body is provided with two mounting posts.
By adopting the technical scheme, the shape of the pulley module is matched with the shape of the cross section of the femur after secondary osteotomy, so that the pulley module is more fit with the cross section of the femur.
Optionally, two side walls of the notch portion are respectively provided with a press-fit groove used in cooperation with the mounting post.
Through adopting above-mentioned technical scheme, through pressing the connection between joining in marriage groove and the erection column, make coaster module and breach portion be detachable construction, the dismouting is convenient and fast more, can shorten operation time, reduces the operation risk.
Optionally, the novel femoral condyle osteotomy assembly further comprises a cross beam, wherein the cross beam is located on one side of the body close to the femoral end face and is arranged at one end of the body far away from the pulley module.
By adopting the technical scheme and the arrangement of the cross beam, the femoral condyle osteotomy component can be a PS trial condyle, and the application range of the femoral condyle osteotomy component is enlarged.
Optionally, the body includes curved first base plate, curved second base plate and curved third base plate, breach portion set up on first base plate, second base plate and third base plate vertically set up in the one end of keeping away from the coaster module of first base plate side by side, form between second base plate and the third base plate and try the condyle interval, second base plate and third base plate respectively with crossbeam swing joint.
Through adopting above-mentioned technical scheme, first base plate, second base plate and third base plate shape can laminate the shape after the thighbone cuts for the first time more, and the condition between the thighbone condyle is conveniently looked over to examination condyle interval, the operation of being convenient for, crossbeam and second base plate and third base plate swing joint demolish the crossbeam, and thighbone condyle cuts the bone condyle and just for CR examination condyle, remains the crossbeam, and thighbone condyle cuts the subassembly and just for PS examination condyle, has increased novel thighbone condyle and has cut the application scope of subassembly.
Optionally, the second substrate and the third substrate are respectively provided with a clamping groove, and the end faces of the beam close to the second substrate and the third substrate are respectively provided with a clamping column matched with the clamping groove for use.
Through adopting above-mentioned technical scheme, go into the draw-in groove through the joint post card, make crossbeam and second base plate and third base plate form detachable construction.
Optionally, the clamping column is transversely provided with a blind hole, a spring is arranged in the blind hole, one end of the spring is fixedly connected with the bottom of the blind hole, the other end of the spring is provided with a clamping ball, and the clamping ball is clamped at the port of the blind hole.
Through adopting above-mentioned technical scheme, after the draw-in groove was gone into to the joint post card, the part butt that the card ball exposes in the blind hole outside is on the draw-in groove inner wall, and is spacing to the joint post, and the card ball passes through the spring and can stretch out and draw back, makes the erection column be applicable to not unidimensional draw-in groove.
Optionally, the side surfaces of the second base plate and the third base plate, which are far away from the trial condyle distance, are respectively provided with a dismounting groove.
By adopting the technical scheme, the arrangement of the disassembly groove can facilitate the disassembly and assembly of the femoral condyle osteotomy component by operators
Optionally, the second substrate and the third substrate are respectively provided with a fixing hole.
Through adopting above-mentioned technical scheme, run through the fixed orifices through the staple with thighbone condyle osteotomy subassembly fixed connection, the mounting hole of the staple that leaves on the thighbone simultaneously can regard as the connecting hole of follow-up installation false body condyle, and the fixed orifices has different effects, can reduce the damage to the thighbone.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the gap part arranged on the body can be used for determining the position of a femoral pulley needing secondary osteotomy, and after the secondary osteotomy is finished, the femoral pulley component is covered on the gap part to form a complete femoral trial condyle, which is closer to a natural femoral condyle of a human body and can prepare for subsequently installing a prosthetic condyle;
2. the shape of the first substrate, the second substrate and the third substrate can be more fit with the shape of a femur after primary femur osteotomy, the intercondylar space is convenient to check the intercondylar condition of the femur, the operation is convenient, the cross beam is movably connected with the second substrate and the third substrate, the cross beam is detached, the femoral condyle osteotomy component is a CR trial condyle, the cross beam is reserved, the femoral condyle osteotomy component is a PS trial condyle, and the application range of the novel femoral condyle osteotomy component is increased;
3. when the draw-in groove is gone into to joint post card in this application, the part butt that the card ball exposes in the blind hole outside is spacing on the draw-in groove inner wall to the joint post, and the card ball can stretch out and draw back through the spring, makes the erection column be applicable to not unidimensional draw-in groove.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is an exploded view of the present application.
Fig. 3 is a schematic structural view of the body and the cross beam of the present application.
Fig. 4 is a schematic structural view of the body of the present application.
Fig. 5 is a cross-sectional view of the cross beam of the present application.
Fig. 6 is a schematic structural view of a femoral trochlear component of the present application.
Fig. 7 is a front view of fig. 5 of the present application.
Description of reference numerals: 1. the body, 11, breach portion, 111, press-fit groove, 12, first base plate, 13, second base plate, 14, third base plate, 15, draw-in groove, 16, examination condyle interval, 2, thighbone coaster spare, 21, coaster module, 211, first connecting plate, 212, second connecting plate, 22, erection column, 3, crossbeam, 4, dismantlement groove, 5, fixed orifices, 6, joint post, 61, blind hole, 62, spring, 63, card ball.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses a novel femoral condyle osteotomy component.
Referring to fig. 1 and 2, a novel femoral condyle osteotomy component for surface type knee joint replacement surgery, comprises an arc-shaped body 1, wherein the radian of the body 1 is identical to the radian of a femoral end face after primary osteotomy, a gap part 11 is arranged at a position of the body 1 close to a femoral pulley, and a femoral pulley part 2 matched with the gap part 11 for use is arranged on the gap part 11. Carry out the secondary cutting through breach portion 11 to the thighbone, can accurate definite thighbone coaster position that needs the osteotomy.
Referring to fig. 2 and 3, a cross beam 3 is arranged on one side surface of the body 1 close to the end surface of the femur, and the cross beam 3 is positioned at one end of the body 1 far away from the pulley module 21 and is movably connected with the body 1.
The main body 1 comprises a first base plate 12, a second base plate 13 and a third base plate 14 are arranged at one end, away from the femoral sliding component 2, of the first base plate 12, the second base plate 13 and the third base plate 14 are arranged in parallel and longitudinally, a trial condyle distance 16 is formed between the second base plate 13 and the third base plate 14, the first base plate 12, the second base plate 13 and the third base plate 14 are arc-shaped, and a notch 11 is formed in the first base plate 12 and penetrates through the first base plate 12.
The first base 12 is placed on the upper surface of the femoral trochlear and the second base 13 and third base 14 are placed on the lower surface of the femur remote from the femoral trochlear.
Referring to fig. 2 and 4, a clamping groove 15 is respectively formed on the second substrate 13 and the third substrate 14, a clamping column 6 is respectively arranged on the end surface of the cross beam 3 close to the second substrate 13 and the end surface of the third substrate 14, and the clamping column 6 and the clamping groove 15 are matched for use, so that the second substrate 13 and the third substrate 14 are respectively movably connected with the cross beam 3.
The side surfaces of the second base plate 13 and the third base plate 14 far away from the trial condyle space 16 are respectively provided with a dismounting groove 4, and an operator can quickly dismount and mount the femoral condyle osteotomy component through the dismounting grooves 4.
The cross beam 3 is removed, the femoral condyle osteotomy component is just a PS trial condyle, the cross beam 3 is reserved, the femoral condyle osteotomy component is just a CR trial condyle, and the application range of the novel femoral condyle osteotomy component is enlarged.
The second substrate 13 and the third substrate 14 are respectively provided with a fixing hole 5, and a fixing nail is nailed into the fixing hole 5 to fixedly connect the femur and the body 1.
Referring to fig. 5, the snap-in post 6 is transversely provided with a blind hole 61, the bottom of the blind hole 61 is provided with a spring 62, one end of the spring 62 is connected with a snap ball 63, the opening directions of the two blind holes 61 are opposite, one part of the snap ball 63 is located in the blind hole 61, and the other part of the snap ball 63 is exposed out of the port of the blind hole 61.
After the joint post 6 is blocked in the clamping groove 15, the part of the clamping ball 63 exposed outside the port of the blind hole 311 abuts against the inner wall of the clamping groove 15, the joint post 6 is limited, the possibility that the joint post 6 is separated from the clamping groove 15 is reduced, and the stability of the beam 3 and the body 1 is improved.
Referring to fig. 6 and 7, the femoral sliding component 2 includes an arc-shaped sliding module 21, two mounting posts 22 are disposed on the end surface of the sliding module 21 close to the body 1, the sliding module 21 includes a first connecting plate 211 and a second connecting plate 212, one mounting post 22 is disposed on the first connecting plate 221, the other mounting post 22 is disposed on the second connecting plate 212, and the first connecting plate 211 and the second connecting plate 212 are asymmetrically disposed.
Two opposite side walls of the notch 11 are respectively provided with a press-fit groove 111 for cooperating with the mounting post 22.
The implementation principle of the novel femoral condyle osteotomy component in the embodiment of the application is as follows:
installation: after the thighbone is cut for the first time, place body 1 on the terminal surface after the thighbone is cut, with the arcwall face laminating of first base member 12 at the upper surface of thighbone coaster, the side and the lower surface of the thighbone is cut in the arcwall face laminating of second base plate 13 and third base plate 14, the staple is nailed in fixed orifices 5, makes body 1 and thighbone fixed connection.
Use of: according to the position of breach portion 11, carry out the secondary and cut the bone to the coaster position of thighbone, cut the bone after accomplishing, with thighbone coaster spare 2 through erection column 22 and draw-in groove 15 fixed connection in breach portion 11 department, form complete examination condyle, according to examination condyle, can be quick find out the prosthesis that the thighbone after cutting is fit for to accomplish the installation of prosthesis and thighbone.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (6)

1. The utility model provides a novel subassembly of cutting bone is cut to thighbone condyle which characterized in that: the femoral head comprises an arc-shaped body (1) matched with the radian of a femoral end face, wherein a notch part (11) for secondary osteotomy is formed in the position, close to a femoral pulley, of the body (1), and a femoral pulley part (2) matched with the notch part (11) for use is arranged on the notch part (11);
the femoral pulley part (2) comprises an arc pulley module (21), and two mounting columns (22) are arranged on the end surface, close to the body (1), of the pulley module (21);
the femoral condyle osteotomy component further comprises a cross beam (3), wherein the cross beam (3) is positioned on one side of the body (1) close to the femoral end face and is arranged at one end of the body (1) far away from the pulley module (21);
body (1) include curved first base plate (12), curved second base plate (13) and curved third base plate (14), breach portion (11) set up on first base plate (12), second base plate (13) and third base plate (14) parallel longitudinal arrangement in the one end of keeping away from coaster module (21) of first base plate (12), form between second base plate (13) and third base plate (14) and try condyle interval (16), second base plate (13) and third base plate (14) respectively with crossbeam (3) swing joint.
2. The novel femoral condyle osteotomy assembly of claim 1, wherein: two side walls of the notch part (11) are respectively provided with a press-fit groove (111) matched with the mounting column (22).
3. The novel femoral condyle osteotomy assembly of claim 1, wherein: the second substrate (13) and the third substrate (14) are respectively provided with a clamping groove (15), and the end faces of the beam (3) close to the second substrate (13) and the third substrate (14) are respectively provided with a clamping column (6) matched with the clamping groove (15) for use.
4. The novel femoral condyle osteotomy assembly of claim 3, wherein: the clamping column (6) is transversely provided with a blind hole (61), a spring (62) is arranged in the blind hole (61), one end of the spring (62) is fixedly connected with the bottom of the blind hole (61), the other end of the spring is provided with a clamping ball (63), and the clamping ball (63) is clamped at the port of the blind hole (61).
5. The novel femoral condyle osteotomy assembly of claim 1, wherein: the side surfaces of the second base plate (13) and the third base plate (14) far away from the trial condyle distance (16) are respectively provided with a dismounting groove (4).
6. The novel femoral condyle osteotomy assembly of claim 1, wherein: the second substrate (13) and the third substrate (14) are respectively provided with a fixing hole (5).
CN202011365460.6A 2020-11-28 2020-11-28 Novel thighbone condyle cuts bone subassembly Active CN112617958B (en)

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Publication number Priority date Publication date Assignee Title
CN114176712B (en) * 2021-12-06 2023-07-07 开封市人民医院 Femur trial condyle secondary osteotomy device
CN114469250A (en) * 2021-12-17 2022-05-13 中国人民解放军总医院第四医学中心 Bone cutting guide plate for increasing bone cutting of femur far end in artificial knee joint replacement

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DE602004019551D1 (en) * 2004-12-08 2009-04-02 Perception Raisonnement Action Device for positioning a bone cutting guide
CN104546233B (en) * 2015-01-07 2017-01-11 北京爱康宜诚医疗器材有限公司 Compound six-in-one bone cutting plate
EP3551098B1 (en) * 2016-12-08 2024-03-20 Orthotaxy Surgical system for cutting an anatomical structure according to at least one target cutting plane
CN108403263A (en) * 2018-03-01 2018-08-17 北京市春立正达医疗器械股份有限公司 Patellofemoral joint prosthese and preparation method thereof
CN108784782A (en) * 2018-07-26 2018-11-13 重庆市华港科技有限公司 3D printing condyle of femur 5 closes 1 integration osteotomy device and its forming method
CN110801264A (en) * 2019-11-14 2020-02-18 北京市春立正达医疗器械股份有限公司 Intercondylar osteotomy module

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Inventor after: Zhai Zhiyong

Inventor after: Hao Mengjuan

Inventor after: Xie Fengbao

Inventor after: Shi Chunbao

Inventor after: Lv Changyu

Inventor before: Hao Mengjuan

Inventor before: Xie Fengbao

Inventor before: Shi Chunbao

Inventor before: Lv Changyu