CN108836426A - Osteotomy sighting device and its application method - Google Patents
Osteotomy sighting device and its application method Download PDFInfo
- Publication number
- CN108836426A CN108836426A CN201810835551.8A CN201810835551A CN108836426A CN 108836426 A CN108836426 A CN 108836426A CN 201810835551 A CN201810835551 A CN 201810835551A CN 108836426 A CN108836426 A CN 108836426A
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- osteotomy
- sighting device
- hole
- fixing axle
- broach shell
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 210000000689 upper leg Anatomy 0.000 claims description 29
- 238000005553 drilling Methods 0.000 claims description 15
- 210000002303 tibia Anatomy 0.000 claims description 13
- 241001227561 Valgus Species 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 11
- 210000000629 knee joint Anatomy 0.000 abstract description 7
- 230000005499 meniscus Effects 0.000 description 8
- 210000000988 bone and bone Anatomy 0.000 description 5
- 210000003127 knee Anatomy 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 210000003414 extremity Anatomy 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001255 hallux Anatomy 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/11—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Dentistry (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention discloses osteotomy sighting devices, including handle, broach shell, regulating part and fixing axle, fixing axle to be located on handle, and the shaft core position of handle is equipped with first through hole, and broach shell passes through first through hole and regulating part is cooperatively connected.The invention also discloses the application methods of osteotomy sighting device.The present invention is directed to study influence of the osteotomy sighting device to knee joint medial unicondylar displacement technique, to inquire into, a kind of position advantageously reducing single condyle displacement technique tibial prosthesis is bad and the effective ways of related complication.The present invention can make the vertical osteotomy of medial tibial plateau become simple, accurate, it is repeatable high, especially for the beginner for just carrying out this kind of operation, learning curve can be shortened, be conducive to the further genralrlization of the operation, and the rehabilitation of patient can be accelerated, shorten the hospital stays, reduces the hospitalization cost of patient.
Description
Technical field
The present invention relates to medical operating auxiliary implement field, in particular to a kind of osteotomy sighting device and a kind of osteotomy sighting device
Application method.
Background technique
From in the 1950s, McKeever proposes the concept of UKA for the first time and is gradually generalized to clinical use have so far
More than 60 years history.The system is used exclusively for inside compartment osteoarthritis before treatment knee joint, curative for effect.After nineteen ninety
After the single condyle knee joint system of Oxford III, the mono- condyle knee joint system (MP) of a new generation Microplasty in 2009 comes out, and 2012
MP starts clinical application.MP simplifies operating technology, has especially done very big improvement in femoral prosthesis positioning, has been filled by hinge
Locating rod and femur drill guide in connection marrow are set, femoral prosthesis is accurately located and bends and stretches and rotation position, avoid
The error of III subjective judgement of Oxford.MP connects Tibial osteotomy device by G clamp device, keeps Tibial osteotomy more conservative, osteotomy is thick
Degree is 3~4mm.However MP still continues to use the conventional method of Oxford III in tibial prosthesis positioning, more relies on the operation of patient
Experience, thus the repeatability for obtaining tibial prosthesis precise positioning is low, there are still many uncertainties for the accurate placement of prosthese.
In UKA operation, the accuracy of Tibial osteotomy is always the difficult point of operation.To the requirement of medial tibial plateau osteotomy
For：90 ° of knee sprung, late-segmental collapse is directed toward in vertical osteotomy, osteotomy direction.Its purpose is to make tibial prosthesis and femur
Prosthese outer side edges are parallel, so that meniscus liner is moved forward and backward and will not generate shock to tibial prosthesis in knee articulation, keep away
Exempt from meniscus liner dislocation.The conventional method for determining the vertical osteotomy direction of shin bone is by assistant apprentice in preoperative body surface marking or art
Hand touches anterior superior spine, but there are large errors for the method, are primarily due to preoperative body surface marking in disinfection, drape and patch antibacterial
Film backward shift is obvious, and in addition anterior superior spine is covered by several layers of aseptic towel in art, and the localization method that assistant touches anterior superior spine is quasi-
True property is uncontrollable, and there are apparent error when different doctor's applications, consistency is not high, and in addition tibial rotation is difficult to accurately control
System, it is larger so as to cause the vertical osteotomy deflection error of tibial plateau.Currently, scholar both domestic and external solves without preferable method
The problem.This proposes higher operation skill requirement to operative doctor, to limit the application of the operation.
Summary of the invention
According to an aspect of the invention, there is provided osteotomy sighting device, including handle, broach shell and fixing axle, it is described solid
Dead axle is located on handle, and the shaft core position of the handle is equipped with first through hole, and the broach shell is adjustably arranged in first through hole.
As a result, in order to accurately be directed toward late-segmental collapse when enabling in single condyle displacement technique the vertical osteotomy of shin bone, the present invention is provided
A kind of osteotomy sighting device.Utilize locating rod, femur drilling director and hinge in femur marrow in the mono- condyle operational instrument of Oxford
The relationship of the intrinsic 7 ° of valgus angles of device.By in the fixing axle insertion hole femur drilling director 6mm on osteotomy sighting device, by electric knife
It is inserted into the second through hole on osteotomy sighting device, electric knife and hinge means is made to be in mutual parallel relation through the invention,
So that there is also the relationships of 7 ° of valgus angles for locating rod in electric knife and femur marrow, to instruct more accurately to carry out shin bone in art to hang down
Straightforward bone makes its osteotomy direction be directed at late-segmental collapse, is conducive to objective, exact placement tibial prosthesis；To promote shin bone false
The matched well of body and femoral prosthesis mechanics and track, it is parallel with femoral prosthesis outer side edges to make tibial prosthesis, thus in knee joint
Meniscus liner, which is moved forward and backward, when movable to generate shock to tibial prosthesis, avoided meniscus liner dislocation, improved patient and relax
Appropriateness and satisfaction.
In some embodiments, osteotomy sighting device further includes regulating part, and the broach shell is equipped with screw rod, the regulating part
It is equipped with internal screw thread, the screw rod passes through first through hole and screw-internal thread fit.
Regulatory function may be implemented in screw rod and screw-internal thread fit as a result, and the present invention is made to be suitble to the different suffering limb of various thicknesses.
In some embodiments, broach shell is equipped with the second through-hole, and the second through-hole is the mounting hole of electric knife.
Electric knife can be effectively fixed in the setting of the second through-hole as a result,.
In some embodiments, embossing is equipped on handle and broach shell.
The setting being embossed as a result, can be effectively anti-skidding.
In some embodiments, the top of fixing axle is equipped with dome.
The dome in fixing axle can enable fixing axle more swimmingly be inserted into the hole femur drilling director 6mm as a result,.
In some embodiments, the outer wall of fixing axle is equipped with smooth layer.
The setting of smooth layer is so that fixing axle rotates more smooth in the hole femur drilling director 6mm as a result,.
According to another aspect of the present invention, a kind of application method of osteotomy sighting device, including osteotomy sighting device are provided, and
Include the following steps：
S501, installation sighting device：Locating rod, femur drilling director and hinge means in femur marrow are installed, osteotomy is taken aim at
In the hole 6mm on fixing axle insertion femur drilling director on quasi- device, electric knife is inserted into second of broach shell on osteotomy sighting device
Through hole, so that electric knife is with locating rod in femur marrow in the presence of 7 ° of relationships of turning up on an equal basis in the broach shell of osteotomy sighting device；
S502, aid mark：Using the fixing axle on osteotomy sighting device as center rotary osteotomy sighting device, electric knife is close to inside
On the inside of tibial intercondylar eminence vertex, and longitudinal label is done by the edge of ACL stop, made in its osteotomy direction alignment femoral head
The heart；
S503, vertical osteotomy：It takes osteotomy sighting device away, carries out shin bone along electric knife mark line using reciprocating saw and vertically cut
Bone.
Beneficial effects of the present invention are：The present invention is directed to study osteotomy sighting device to the shadow of knee joint medial unicondylar displacement technique
It rings, to inquire into, a kind of position advantageously reducing single condyle displacement technique tibial prosthesis is bad and the effective ways of related complication.
The present invention can make the vertical osteotomy of medial tibial plateau become simple, accurate, and repeatability is high, this kind of especially for just carrying out
The beginner of operation can shorten learning curve, be conducive to the further genralrlization of the operation, and can accelerate the rehabilitation of patient, contracting
The short hospital stays reduces the hospitalization cost of patient.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the osteotomy sighting device of an embodiment of the present invention.
Fig. 2 is the configuration schematic diagram of osteotomy sighting device shown in Fig. 1；
Fig. 3 is the schematic perspective view under osteotomy sighting device use state shown in Fig. 1.
Figure label：1- handle, 11- first through hole, 2- fixing axle, 3- broach shell, the second through-hole of 31-, 32- screw rod, 4- tune
Save part, 41- internal screw thread, 5- electric knife.
Specific embodiment
Invention is described in further detail with reference to the accompanying drawing.
In conjunction with Fig. 1-2, according to an aspect of the invention, there is provided osteotomy sighting device, which is characterized in that including handle 1,
Broach shell 3, regulating part 4 and fixing axle 2, fixing axle 2 are located on handle 1, and the shaft core position of handle 1 is equipped with first through hole 11, knife
Set 3 passes through first through hole 11 and regulating part 4 is cooperatively connected.
As a result, in order to accurately be directed toward late-segmental collapse when enabling in single condyle displacement technique the vertical osteotomy of shin bone, the present invention is provided
A kind of osteotomy sighting device.Utilize locating rod, femur drilling director and hinge in femur marrow in the mono- condyle operational instrument of Oxford
Fixing axle 2 on osteotomy sighting device is inserted into the hole 6mm of femur drilling director, is incited somebody to action by the relationship of the intrinsic 7 ° of valgus angles of device
Electric knife 5 is inserted at the second through-hole 31 on osteotomy sighting device, is made electric knife 5 and hinge means be in mutual through the invention and is put down
Row relationship so that there is also the relationships of 7 ° of valgus angles for locating rod in electric knife 5 and femur marrow, thus instruct in art more accurately into
The vertical osteotomy of row shin bone, make its osteotomy direction be aligned late-segmental collapse, be conducive to it is objective, accurately place tibial prosthesis, thus
The matched well for promoting tibial prosthesis and femoral prosthesis mechanics and track, keeps tibial prosthesis parallel with femoral prosthesis outer side edges, from
And meniscus liner is moved forward and backward and will not avoid meniscus liner dislocation to tibial prosthesis generation shock in knee articulation,
Improve patient comfort and satisfaction.
In conjunction with Fig. 1-2, osteotomy sighting device further includes regulating part 4, and the broach shell 3 is equipped with screw rod 32) on the regulating part 4
Equipped with internal screw thread 41, the screw rod 32 passes through first through hole 11 and internal screw thread 41 cooperates.Screw rod 32 and internal screw thread 41 cooperate as a result,
Regulatory function may be implemented, the present invention is made to be suitble to the different suffering limb of various thicknesses.
In conjunction with Fig. 1-2, broach shell 3 is equipped with the second through-hole 31, and the second through-hole 31 is the mounting hole of electric knife 5.Second is logical as a result,
Electric knife 5 can be effectively fixed in the setting in hole 31.
In conjunction with Fig. 1-2, embossing is equipped on handle 1 and broach shell 3.The setting being embossed as a result, can be effectively anti-skidding.
In conjunction with Fig. 1-2, the top of fixing axle 2 is equipped with dome.The dome in fixing axle 2 can enable fixing axle 2 more as a result,
Swimmingly it is inserted into the hole femur drilling director 6mm.
In some embodiments, the outer wall of fixing axle 2 is equipped with smooth layer.The setting of smooth layer is so that fixing axle 2 as a result,
Rotate more smooth in the hole femur drilling director 6mm.
The present invention is the auxiliary implement of single condyle displacement technique, and single condyle displacement technique includes the following steps：S1, anesthesia sizing；It is S2, sudden and violent
Dew joint simultaneously checks；S3, bone tissue S4, the femur for cutting off hyperplasia open marrow；S5, label and osteotomy；S6, gap balance and vacation are bent and stretched
Body die trial test；S7, merging prosthese；S8, it sews up the incision.
In conjunction with Fig. 3, according to another aspect of the present invention, a kind of application method of osteotomy sighting device, the user are provided
Method is to assist S5 step, and optimize S5 step, and the application method of osteotomy sighting device includes the following steps：
S501, installation sighting device：Locating rod, femur drilling director and hinge means in femur marrow are installed.Then, it will cut
Fixing axle 2 on bone sighting device is inserted into the hole 6mm on femur drilling director；Finally, electric knife 5 is inserted on osteotomy sighting device
At second through-hole 31 of broach shell 3.Locating rod, femur drilling director and hinge in femur marrow in the mono- condyle operational instrument of Oxford
The relationship of the intrinsic 7 ° of valgus angles of device, after being positioned by osteotomy sighting device to electric knife 5, so that the broach shell 3 of osteotomy sighting device
Interior electric knife 5 exists with locating rod in femur marrow with the equal angular angular dependence that turns up.
S502, aid mark：Using the fixing axle on osteotomy sighting device as center rotary osteotomy sighting device, electric knife 5 is close to interior
On the inside of the tibial intercondylar eminence vertex of side, and longitudinal label is done by the edge of ACL stop, made in its osteotomy direction alignment femoral head
The heart；Shin bone position is controlled by assistant, the rotation for the shin bone that refers to Huan person Hallux when avoiding the vertical osteotomy of shin bone towards front；
S503, vertical osteotomy：It takes osteotomy sighting device away, carries out shin bone along electric knife mark line using reciprocating saw and vertically cut
Bone.
Osteotomy sighting device of the present invention is applied in single condyle displacement technique, can accurately be directed toward in femoral head in the vertical osteotomy of shin bone
The heart keeps tibial prosthesis parallel with femoral prosthesis outer side edges, so that the back-and-forth motion of meniscus liner will not be right in knee articulation
Tibial prosthesis generates shock, meniscus liner dislocation is avoided, so the comfort level and satisfaction of patient are relatively high.
Beneficial effects of the present invention are：The present invention is directed to study osteotomy sighting device to the shadow of knee joint medial unicondylar displacement technique
It rings, to inquire into, a kind of position advantageously reducing single condyle displacement technique tibial prosthesis is bad and the effective ways of related complication.
The present invention can make the vertical osteotomy of medial tibial plateau become simple, accurate, and repeatability is high, this kind of especially for just carrying out
The beginner of operation can shorten learning curve, be conducive to the further genralrlization of the operation, and can accelerate the rehabilitation of patient, contracting
The short hospital stays reduces the hospitalization cost of patient.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to the protection scope of invention.
Claims (7)
1. osteotomy sighting device, which is characterized in that including handle (1), broach shell (3) and fixing axle (2), the fixing axle (2) is set
On handle (1), the shaft core position of the handle (1) is equipped with first through hole (11), and the broach shell (3) is adjustably arranged on first
On through-hole (11).
2. osteotomy sighting device according to claim 1, which is characterized in that further include regulating part (4), on the broach shell (3)
Equipped with screw rod (32), the regulating part (4) is equipped with internal screw thread (41), and the screw rod (32) passes through first through hole (11) and interior spiral shell
Line (41) cooperation.
3. osteotomy sighting device according to claim 1, which is characterized in that the broach shell (3) is equipped with the second through-hole (31),
Second through-hole (31) is mounting hole.
4. osteotomy sighting device according to claim 1, which is characterized in that be equipped with pressure on the handle (1) and broach shell (3)
Flower.
5. osteotomy sighting device according to claim 1, which is characterized in that the top of the fixing axle (2) is equipped with dome.
6. osteotomy sighting device according to claim 1, which is characterized in that the outer wall of the fixing axle (2) is equipped with smooth layer.
7. the application method of osteotomy sighting device, including any osteotomy sighting device of claim 1-6, which is characterized in that simultaneously
Include the following steps：
S501, installation sighting device：Locating rod, femur drilling director and hinge means in femur marrow are installed, by osteotomy sighting device
On fixing axle (2) insertion femur drilling director on hole in, electric knife (5) are inserted into the of broach shell (3) on osteotomy sighting device
At two through-holes (31), so that there are same valgus angles to close for locating rod in broach shell (3) the interior electric knife (5) of osteotomy sighting device and femur marrow
System；
S502, aid mark：With the fixing axle (2) on osteotomy sighting device for center rotary osteotomy sighting device, in electric knife (5) abutting
On the inside of the tibial intercondylar eminence vertex of side, and longitudinal label is done by the edge of ACL stop, made in its osteotomy direction alignment femoral head
The heart；
S503, vertical osteotomy：It takes osteotomy sighting device away, carries out the vertical osteotomy of shin bone along electric knife mark line using reciprocating saw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810835551.8A CN108836426A (en) | 2018-07-26 | 2018-07-26 | Osteotomy sighting device and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810835551.8A CN108836426A (en) | 2018-07-26 | 2018-07-26 | Osteotomy sighting device and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108836426A true CN108836426A (en) | 2018-11-20 |
Family
ID=64192053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810835551.8A Pending CN108836426A (en) | 2018-07-26 | 2018-07-26 | Osteotomy sighting device and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108836426A (en) |
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