CN110151251A - A kind of intercondylar osteotomy brill - Google Patents
A kind of intercondylar osteotomy brill Download PDFInfo
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- CN110151251A CN110151251A CN201910462287.2A CN201910462287A CN110151251A CN 110151251 A CN110151251 A CN 110151251A CN 201910462287 A CN201910462287 A CN 201910462287A CN 110151251 A CN110151251 A CN 110151251A
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- cutter head
- bored
- osteotomy
- intercondylar
- attachment device
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- 241001074085 Scophthalmus aquosus Species 0.000 title claims description 10
- 230000001681 protective effect Effects 0.000 claims description 14
- 210000000689 upper leg Anatomy 0.000 claims description 4
- 210000000629 knee joint Anatomy 0.000 abstract description 9
- 241000272814 Anser sp. Species 0.000 abstract description 7
- 238000013150 knee replacement Methods 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 description 11
- 210000000988 bone and bone Anatomy 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 208000008924 Femoral Fractures Diseases 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 108010048734 sclerotin Proteins 0.000 description 2
- 208000036487 Arthropathies Diseases 0.000 description 1
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 208000012659 Joint disease Diseases 0.000 description 1
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004417 patella Anatomy 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011883 total knee arthroplasty Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000009827 uniform distribution 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
-
- 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
- A61B17/1613—Component parts
- A61B17/1633—Sleeves, i.e. non-rotating parts surrounding the bit shaft, e.g. the sleeve forming a single unit with the bit shaft
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
A kind of intercondylar osteotomy disclosed by the invention is bored comprising driving end, cutter head and guide part, the driving end are removably connected as one by attachment device with cutter head, and the cutter head is guided via guide part to osteotomy；The attachment device is flexible connection, and one end is connected to driving end, and the other end is connected on cutter head.A kind of intercondylar osteotomy provided by the invention is bored, structurally reasonable, effectively increases osteotomy efficiency, operating time is shortened, is solved in traditional artificial knee joint total knee replacement, it is cumbersome, reciprocating saw and goose saw are needed to be replaced frequently, extends operating time, causes the problem that operation risk is high.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of intercondylar osteotomy to bore.
Background technique
Artificial knee joint replacement is that the one kind having gradually developed after modern age artificial hip joint is successfully applied to patient is controlled
The new technology of diseases of knee joint is treated, it can effectively eradicate advanced stage knee joint slight illness, greatly improve the life matter of patient
Amount, it is popular in developed country, total knee arthroplasty be treat the effective method of serious kneecap arthropathy, but
It should be noted that the selection of indication and turning up and the correct placement of the correction of flexion deformity and tibial prosthesis to intra-articular, to reduce shin
The loosening of bone prosthese, while the functional training of early stage is carried out, make great efforts to reduce postoperative complications.
In traditional artificial knee joint total knee replacement, intercondylar osteotomy passes through two reciprocating saws and one goose saw, in three times
Operation forms the vertical fossa intercondyloidea in three faces, needs hospital to be equipped with reciprocating saw and goose saw in this way and purchases corresponding blade, expense
It is very expensive, also, because needing replacing reciprocating saw and goose saw in operation, increase operating time, thereby increases operation risk.
Patent CN202288395U is related to a kind of intercondylar bone drill, it is made of drill body and power sub two parts.Power connects
Head is conventional use of interface modes, can be connected with the head of domestic standard electric drill.Drill body is hollow structure, intercondylar in progress
When boring bone, the sclerotin to fall off can enter drill body along bit head, bore bone and finish, can take out sclerotin along drill body portion longitudinal window.
Drill bit head is the tooth form of special designing, which has very strong brill bone ability along the radially uniform distribution in end.
Patent CN203447339U discloses a kind of intercondylar osteotomy device, including cutting groove, further includes the condyle with human body knee joint
The the first examination condyle and the second examination condyle that the shape of bone matches, the first examination condyle are equipped with first sliding groove, and described second tries on condyle
Equipped with second sliding slot, the side of the cutting groove is equipped with the locking bar that can be slided in the first sliding groove, on the cutting groove with
The opposite other side of the locking bar is equipped with the sliding block that can be slided in the second sliding slot.Cutting groove can take in the utility model
It out and slides, can be realized continuous osteotomy, shorten operating time, and guarantee the consistency of osteotomy.
Patent CN204683702U provides a kind of intercondylar osteotomy device, comprising: intercondylar brill；Guide part, guide part include
Positioning region for positioning with femur is provided with guide hole or guide groove for guiding intercondylar brill on positioning region.Utilize intercondylar osteotomy
Device is oriented to intercondylar drilling row using guide part, improves the accuracy of intercondylar osteotomy.But between drill bit and driving device
Rigid connection influences the stress of drill bit end, influences the flexibility of osteotomy operation to a certain extent.
Therefore, it needs to design a kind of intercondylar osteotomy brill, solves problems of the prior art.
Summary of the invention
The purpose of the present invention is in view of the above technical problems, a kind of intercondylar osteotomy provided by the invention is bored, structurally reasonable,
Osteotomy efficiency is effectively increased, operating time is shortened, is solved in traditional artificial knee joint total knee replacement, is operated numerous
It is trivial, reciprocating saw and goose saw are needed to be replaced frequently, extends operating time, causes the problem that operation risk is high.
In order to solve the above technical problems, a kind of intercondylar osteotomy provided by the invention is bored, including driving end, cutter head and guiding
Portion, the driving end are removably connected as one by attachment device with cutter head, the cutter head via guide part guide to
At osteotomy；The attachment device is flexible connection, and one end is connected to driving end, and the other end is connected on cutter head.
In some embodiments, the attachment device is universal joint or flexible connecting device.
In some embodiments, the attachment device includes the first connecting shaft, the first fixed column, the second connecting shaft, second
Fixed column and connecting rod, first connecting shaft are arranged in the lower part at driving end and are connect by the first fixed column with connecting rod,
Second connecting shaft is arranged in the top of cutter head and is connect by the second fixed column with connecting rod.
In some embodiments, first connecting shaft is horizontally installed in the first mounting groove of driving end lower part, described
First fixed column is arranged perpendicular to the first connecting shaft, and the connecting rod can be along axis rotation where the first fixed column.
In some embodiments, second connecting shaft is horizontally installed in second mounting groove on cutter head top, and described
Two fixed columns are arranged perpendicular to the second connecting shaft, and the connecting rod can be along axis rotation where the second fixed column.
In some embodiments, the connecting rod is elastic rod, and shape is H-type, and the connecting rod setting is at driving end
Between cutter head.
In some embodiments, the guide part includes that lateral face and vertical face, the two are vertically overlapped and be integrated, described perpendicular
To face inside with to be bonded at osteotomy, it is described transverse direction face in the middle part of be provided with guide hole.
In some embodiments, the outer profile of the guide hole and cutter head matches.
In some embodiments, the vertical face is provided with multiple mounting holes, and Kirschner wire is fixed on femur by mounting hole
Distally.
In some embodiments, the intercondylar osteotomy brill further includes protective case, and institute's protective case is sheathed on the outer of attachment device
Side.
The invention has the advantages that:
Intercondylar osteotomy provided by the invention is bored, structurally reasonable, is had following technical effect that
(1) osteotomy efficiency is effectively increased, operating time is shortened, solves traditional artificial knee joint total knee replacement
In, it is cumbersome, reciprocating saw and goose saw are needed to be replaced frequently, extends operating time, causes the problem that operation risk is high.
(2) herein described intercondylar osteotomy is bored, and by the way that protective case is arranged, is realized the advantages of reducing operation risk, will be connected
Connection device is set in protective case, so that protective case is can control the freedom degree of attachment device or is limited, is avoided driving
The problem of forming excessive angle between head and cutter head, hurt the arm of user and be likely to cause patient's femoral fracture,
Improve safety when operation；
(3) herein described intercondylar osteotomy is bored, by setting attachment device and chip space, realize shorten operating time,
The advantages of improving procedure efficiency, driving head generate rotary driving force by external electric tool or hand-operated tools, can be directly through even
The connection of connection device makes the driving force of driving head be transferred to cutter head to be operated；
(4) herein described intercondylar osteotomy bores the chip space added, and the bone in operation can be made to consider to be worth doing from osteotomy guider
Top discharge improves procedure efficiency while reducing operating time to realize.
Detailed description of the invention
It will be apparent and be easier reason by made detailed description, above-mentioned advantage of the invention in conjunction with the following drawings
Solution, these attached drawings are only schematical, are not intended to limit the present invention, in which:
Fig. 1 is the structural schematic diagram that intercondylar osteotomy of the present invention is bored；
Fig. 2 is the cross-sectional view that intercondylar osteotomy of the present invention is bored；
Fig. 3 is the bottom view that intercondylar osteotomy of the present invention is bored；
Fig. 4 is the structural schematic diagram of the cutter head of the present invention.
In figure:
1. driving end；2. protective case；3. attachment device；4. cutter head；5. chip space；6. guide part；7. the first mounting groove；8-
1. the first connecting shaft；The second connecting shaft of 8-2.；9. the second mounting groove；10-1. the first fixed column；10-2. the second fixed column；11.
Blade；12. guide hole；13. mounting hole；14. connecting rod.
Specific embodiment
Combined with specific embodiments below and attached drawing, a kind of herein described intercondylar osteotomy brill is described in detail.
The embodiment recorded herein is specific specific embodiment of the invention, for illustrating design of the invention,
Be it is explanatory and illustrative, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein
Outside embodiment, those skilled in the art can also based on the claim of this application book and specification disclosure of that using aobvious and
The other technical solutions being clear to, these technical solutions include using any obvious to making for the embodiment recorded herein
The technical solution of substitutions and modifications.
The attached drawing of this specification is schematic diagram, aids in illustrating design of the invention, it is schematically indicated the shape of each section
And its correlation.It note that for the ease of clearly showing the structure of each component of the embodiment of the present invention, identical reference
Label is for indicating identical part.
The structural schematic diagram that a kind of intercondylar osteotomy of the present invention is bored, as shown in Fig. 1 and Fig. 4 comprising driving end 1, knife
First 4 and guide part 6, the driving end 1 is removably connected as one by attachment device 3 with cutter head 4, the cutter head 4 via
The guidance of guide part 6 is to osteotomy；The attachment device 3 is flexible connection, and one end is connected to driving end 1, and the other end connects
It connects on cutter head 4.
Specifically, the cutter head 4 is used for the cutting operation of intercondylar bone-culting operation, and the driving end 1 is located at the upper of cutter head 4
End, for driving the cutter head 4 to rotate, the lower end at driving end 1 is fastenedly connected by attachment device 3 and 4 upper end of cutter head；It is described to lead
It is located at 4 lower part of cutter head, guide part 6 and 4 phase configuration of cutter head to portion 6 for the cutter head 4 guiding.
In the present invention, the attachment device 3 be universal joint or flexible connecting device, with optimize cutter head 4 act on to
Stress at osteotomy, so that the more flexible efficiency acted on at osteotomy, improve bone-culting operation of cutter head 4, shortens osteotomy hand
The time of art.
As the one aspect of the present embodiment, the attachment device 3 include the first connecting shaft 8-1, the first fixed column 10-1,
Second connecting shaft 8-2, the second fixed column 10-2 and connecting rod 14, as shown in Fig. 2, the first connecting shaft 8-1 setting is driving
The lower part at end 1 is simultaneously connect by the first fixed column 10-1 with connecting rod 14, and the upper of cutter head 4 is arranged in the second connecting shaft 8-2
Portion is simultaneously connect by the second fixed column 10-2 with connecting rod 14.Meanwhile the first connecting shaft 8-1 is horizontally installed on driving end 1
In first mounting groove 7 of lower part, the first fixed column 10-1 is arranged perpendicular to the first connecting shaft 8-1, and the connecting rod 14 can
Along axis rotation where the first fixed column 10-1.
As the another aspect of the present embodiment, the second connecting shaft 8-2 is horizontally installed on second installation on 4 top of cutter head
In slot 9, the second fixed column 10-2 is arranged perpendicular to the second connecting shaft 8-2, and the connecting rod 14 can be along the second fixed column 10-
The rotation of 2 place axis.
As one aspect of the present invention, the connecting rod 14 is elastic rod, and shape is H-type, and the connecting rod 14 is set
It sets between driving end 1 and cutter head 4.Specifically, the connecting rod 14, which has, pushes up certain elasticity, to solve the rotation of cutter head 4
Center and the inconsistent problem of geometric center, so as to be applicable in ability stronger for the cutter head 4 that 3 end of attachment device is arranged in.
In the present invention, the guide part 6 includes lateral face and vertical face, vertical referring to Fig. 1 and Fig. 2 transverse direction face and vertical face
Overlap joint is integrated, and the inside of the vertical face is provided with guide hole 12 in the middle part of the transverse direction face with to be bonded at osteotomy.
As the one aspect of the present embodiment, the outer profile of the guide hole 12 and cutter head 4 matches.In some embodiments
In, the cross section of the cutter head 4 is Lay Lip river triangle, correspondingly, the guide hole 12 is also provided with the section of Cheng Lailuo triangle,
Stablize cutter head 4 in the pilot hole 12 opened up on guide part 6.As a variant of the invention, the cutter head 4 be may also set up
At other shapes, as long as the matching setting of guide hole 12.
In the present invention, 4 bottom of cutter head is equipped with along bottom geometric center radially equally distributed several blades 11.
Preferably, the quantity of blade 11 is not less than three, and will lead to cutting edge since blade is very few cannot fall in cutting highest point, and starting is turned round
Square is too big, causes patients with fractures, therefore, settable 3-12, blade 11.Preferably, the quantity of the blade 11 is 6
It is a, so that the cutting edge of blade falls in cutting highest point, starting torque is reduced, operation is avoided to fracture.One as the present embodiment
Aspect, the bottom of the blade 11 and outer side edges are equipped with cutting edge, are cut by cutting edge, and when rotation can remove deossification.
As another aspect of the present invention, the outside of the cutter head 4 is equipped with chip space 5, can make bone bits in operation from
The top of guide part 6 is discharged, to shorten operating time, while convenient for improving procedure efficiency.
As another aspect of the present invention, the vertical face is provided with multiple mounting holes 13, and Kirschner wire passes through mounting hole 13
It is fixed on distal femur.
The intercondylar osteotomy brill further includes protective case 2, and institute's protective case 2 is sheathed on the outside of attachment device 3.Specifically, it drives
The bottom end of moved end 1 and the top of cutter head 4 all extend to inside the protective case 2, and attachment device 3 is set in protective case 2, makes to protect
Sheath 2 can control the freedom degree of attachment device 3 or be limited, and avoid being formed between driving end 1 and cutter head 4 excessive
Angle the problem of hurting the arm of user and be likely to cause patient's femoral fracture, improves safety when operation.
When in use, make that end 1 is driven to generate rotary driving force by external electric tool or hand-operated tools, by protective case 2
It is sleeved in attachment device 3, so that protective case 2 is can control the freedom degree of attachment device 3 or is limited, directly through connecting
The connection of device 3 makes the driving force of driving head 1 be transferred to cutter head 4 to be operated, and when operation, is arranged by the bottom of cutter head 4
Blade 11 is cut, and the chip space 5 through adding on cutter head 4, and the bone bits in operation are discharged from the top of osteotomy guider 6
?.
Intercondylar osteotomy provided by the invention is bored, structurally reasonable, is effectively increased osteotomy efficiency, is shortened operating time,
It solves in traditional artificial knee joint total knee replacement, it is cumbersome, reciprocating saw and goose saw are needed to be replaced frequently, operation is extended
Time causes the problem that operation risk is high, has preferable promotional value.
The present invention is not limited to the above-described embodiments, anyone can obtain other various forms under the inspiration of the present invention
Product, it is all that there is technical side identical or similar to the present application however, make any variation in its shape or structure
Case is within the scope of the present invention.
Claims (10)
1. a kind of intercondylar osteotomy is bored, including driving end, cutter head and guide part, the driving end are removable by attachment device and cutter head
That unloads is connected as one, and the cutter head is guided via guide part to osteotomy；The attachment device is flexible connection, one end
It is connected to driving end, the other end is connected on cutter head.
2. intercondylar osteotomy according to claim 1 is bored, which is characterized in that the attachment device is universal joint or flexibility
Attachment device.
3. intercondylar osteotomy according to claim 1 is bored, which is characterized in that the attachment device includes the first connecting shaft, the
One fixed column, the second connecting shaft, the second fixed column and connecting rod, first connecting shaft are arranged in the lower part at driving end and pass through
First fixed column is connect with connecting rod, and second connecting shaft is arranged in the top of cutter head and by the second fixed column and connecting rod
Connection.
4. intercondylar osteotomy according to claim 3 is bored, which is characterized in that first connecting shaft is horizontally installed on driving end
In first mounting groove of lower part, first fixed column is arranged perpendicular to the first connecting shaft, and the connecting rod can be fixed along first
Axis rotation where column.
5. intercondylar osteotomy according to claim 3 is bored, which is characterized in that second connecting shaft is horizontally installed on cutter head
In second mounting groove in portion, second fixed column is arranged perpendicular to the second connecting shaft, and the connecting rod can be along the second fixed column
The rotation of place axis.
6. intercondylar osteotomy according to claim 3 is bored, which is characterized in that the connecting rod is elastic rod, shape H
Type, the connecting rod setting is between driving end and cutter head.
7. intercondylar osteotomy according to claim 1 is bored, which is characterized in that the guide part includes lateral face and vertical face,
The two is vertically overlapped and is integrated, and the inside of the vertical face is provided with guidance in the middle part of the transverse direction face with to be bonded at osteotomy
Hole.
8. intercondylar osteotomy according to claim 7 is bored, which is characterized in that the outer profile phase of the guide hole and cutter head
Match.
9. intercondylar osteotomy according to claim 7 is bored, which is characterized in that the vertical face is provided with multiple mounting holes, gram
Family name's needle is fixed on distal femur by mounting hole.
10. intercondylar osteotomy according to claim 1 is bored, which is characterized in that the intercondylar osteotomy brill further includes protective case, institute
Protective case is sheathed on the outside of attachment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910462287.2A CN110151251B (en) | 2019-05-30 | Intercondylar osteotomy drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910462287.2A CN110151251B (en) | 2019-05-30 | Intercondylar osteotomy drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110151251A true CN110151251A (en) | 2019-08-23 |
| CN110151251B CN110151251B (en) | 2024-05-17 |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111053591A (en) * | 2019-12-30 | 2020-04-24 | 北京市春立正达医疗器械股份有限公司 | Intercondylar osteotomy guider |
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|---|---|---|---|---|
| CN111053591A (en) * | 2019-12-30 | 2020-04-24 | 北京市春立正达医疗器械股份有限公司 | Intercondylar osteotomy guider |
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