CN110215260A - Kneecap burr device - Google Patents
Kneecap burr device Download PDFInfo
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- CN110215260A CN110215260A CN201910477450.2A CN201910477450A CN110215260A CN 110215260 A CN110215260 A CN 110215260A CN 201910477450 A CN201910477450 A CN 201910477450A CN 110215260 A CN110215260 A CN 110215260A
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- Prior art keywords
- kneecap
- burr
- substrate
- head
- positioning disk
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- 210000004417 patella Anatomy 0.000 title claims abstract description 117
- 239000000758 substrate Substances 0.000 claims abstract description 75
- 241000721080 Echinodorus Species 0.000 claims abstract description 48
- 230000000712 assembly Effects 0.000 claims abstract description 17
- 238000000429 assembly Methods 0.000 claims abstract description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 244000144985 peep Species 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 210000000988 bone and bone Anatomy 0.000 description 5
- 210000003127 knee Anatomy 0.000 description 5
- 210000000629 knee joint Anatomy 0.000 description 4
- 208000037408 Device failure Diseases 0.000 description 2
- 208000037099 Prosthesis Failure Diseases 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 241000272814 Anser sp. Species 0.000 description 1
- 241000283984 Rodentia Species 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000001356 surgical procedure 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
- A61B17/1659—Surgical rasps, files, planes, or scrapers
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (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)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to medical instruments fields, disclose a kind of kneecap burr device.The kneecap burr device, comprising: pedestal, pedestal include horizontally disposed first substrate, and first substrate is equipped with the kneecap positioning disk for positioning the kneecap of human body；Regulating device, regulating device include be vertically fixed on first substrate and with slide assemblies kneecap positioning disk spaced slideway and be slidably connected with slideway；Burr component, burr component include the driving device for being connected with slide assemblies and being located at the burr head above kneecap positioning disk and being connected with burr head.Wherein, burr head can move under the drive of slide assemblies close to and far from kneecap positioning disk, and burr head can position disc spins relative to kneecap under the drive of the drive, and the surface structure opposite with kneecap positioning disk of burr head is to be adapted with the surface of patellar prosthesis.Kneecap burr device of the invention can make the simple operation of osteoplasty of patella, and improve the matching degree with the coaster of displaced femoral prosthesis.
Description
Technical field
The present invention relates to medical instruments field more particularly to a kind of kneecap burr devices.
Background technique
Currently, in the displacement technique of complete knee joint, the total knee prostheses of application mainly by femoral prosthesis, tibial prosthesis with
And patellar prosthesis composition.However, in the displacement of complete knee joint whether using patellar prosthesis replace human body kneecap there are still have
Dispute.It is believed that if directly will increase pain before knee using the kneecap of human body, it is long-term between the Patella Cartilage and metal of human body
Contact also the kneecap of human body can be made constantly to deteriorate；Also it is believed that, if using patellar prosthesis replace human body kneecap can hold
The problem of easily increasing the complication such as Patellar joint is unstable, patellar prosthesis fails, wears, loosens.Osteoplasty of patella is that one kind can
The method for solving above-mentioned dispute, this method are by patellar prosthesis shape by the kneecap burr of human body to replace patellar prosthesis, and
Better matching can be reached with the coaster of the femoral prosthesis after displacement, thus retain the kneecap of human body to the greatest extent
Bone amount and kneecap intensity.It compares with patellar prosthesis, the kneecap of human body is applied in total knee prostheses, kneed complication
It is lower, curative effect is reliable.
The method of kneecap forming in the prior art is to use rongeur, goose saw, bone file during operation by medical staff
The articular surface of the kneecap of human body is carried out the operation completion such as polish by equal multiple types of tools.This method on the one hand the tool that uses compared with
It is more, keep the surgical procedure of entire kneecap forming complex, is unfavorable for going on smoothly for operation；On the other hand, by manually locating
The surface of the kneecap of reason be also easy to it is bad with the matching degree of the coaster of femoral prosthesis, easily cause it is kneed abrasion, loosen etc.
The problem of complication, to cause secondary injury to patient.
In view of the deficiencies of the prior art, those skilled in the art is badly in need of seeking a kind of kneecap burr device, so that kneecap
The simple operation of plasty, and improve the matching degree with the coaster of displaced femoral prosthesis.
Summary of the invention
In order to make the simple operation of osteoplasty of patella, and the matching degree with the coaster of displaced femoral prosthesis is improved, this
Invention proposes a kind of kneecap burr device.
Kneecap burr device according to the present invention, comprising: pedestal, pedestal include horizontally disposed first substrate, the first base
Plate is equipped with the kneecap positioning disk for positioning the kneecap of human body；Regulating device, regulating device include being vertically fixed on the first base
On plate and with slide assemblies kneecap positioning disk spaced slideway and be slidably connected with slideway；Burr component, burr component
Including the driving device for being connected with slide assemblies and being located at the burr head above kneecap positioning disk and being connected with burr head.Wherein,
Burr head can move under the drive of slide assemblies close to and far from kneecap positioning disk, and burr head can be in driving device
Driving under relative to kneecap position disc spins, the surface structure opposite with kneecap positioning disk of burr head is and patellar prosthesis
Surface is adapted.
Further, slide assemblies include the second substrate being slidably connected with slideway, and the second substrate is parallel to first substrate,
Burr head is connected to one end of the second substrate.
Further, slideway includes at least one slide bar being fixedly connected perpendicular to the surface of first substrate with first substrate
With the fixation device for fixing the second substrate, the through-hole with sliding bar cooperation is formed in the second substrate.
Further, the surface of slide bar is formed with external screw thread, fixed device include positioned at the second substrate bottom surface and with cunning
The first fixture nut that bar is threadedly coupled
Further, fixed device further includes the second fixture nut positioned at the top surface of the second substrate.
Further, burr component further includes the first sleeve being fixedly connected on one end of the second substrate, burr head with
The inner wall of first sleeve is slidably connected.
Further, burr component further includes that one end is connected with burr head, and what the other end was used to be connected with driving device turns
Axis, the axle sleeve being socketed in shaft and the stop nut connecting with the outer wall thread of axle sleeve, the outer diameter of stop nut are big
In the outer diameter of first sleeve.
Further, it is provided with graduation mark on axle sleeve, the peep hole for observing graduation mark is formed on stop nut.
Further, kneecap burr device further includes the guiding device being arranged between first substrate and the second substrate, is led
It include in the second sleeve and another one being fixed on one of both first substrate and the second substrate with second to device
The guide post that sleeve is slidably matched.
Further, on the surface of kneecap positioning disk at least formed with three positioning protrusion, the position of each positioning protrusion
Line is configured to triangle.
Compared with existing osteoplasty of patella, kneecap burr device of the invention can be in the displacement technique of complete knee joint directly
Moulding is carried out to the kneecap of patient, i.e., is polished by kneecap of the burr head to patient so that kneecap can with set
The femoral prosthesis changed matches, and to reach effect similar with patellar prosthesis is replaced, and then the kneecap for realizing human body replaces kneecap
Bone prosthese is applied to the purpose of the shortcomings that displacement in kneed displacement hand to avoid patellar prosthesis.For example, using kneecap vacation
Body replaces the kneecap of human body easy the problem of increasing the complication such as unstable Patellar joint, patellar prosthesis failure, abrasion, loosening.This
Outside, kneecap burr device of the invention can also be by the burr head of replacement different size, to adapt to the kneecap of different size of human body
Bone, applicability are wider.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural schematic diagram of kneecap burr device according to the present invention；
Fig. 2 is the structural schematic diagram of pedestal shown in FIG. 1, and the connection signal of first substrate and second sleeve is shown
Figure；
Fig. 3 is the top view of pedestal shown in Fig. 2；
Fig. 4 is the structural schematic diagram of slide assemblies shown in FIG. 1, and the second substrate, guide post and first set is shown
The connection schematic diagram of cylinder；
Fig. 5 is the top view of slide assemblies shown in Fig. 4；
Fig. 6 is the structural schematic diagram of burr component shown in FIG. 1, and the company of burr head, shaft and axle sleeve is shown
Connect schematic diagram；
Fig. 7 is the structural schematic diagram of stop nut shown in FIG. 1；
Fig. 8 is the top view of stop nut shown in Fig. 7.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
Fig. 1 shows the structure of kneecap burr device 100 according to the present invention.As shown in Figure 1, the kneecap burr device
100 include: pedestal 1, and pedestal 1 includes horizontally disposed first substrate 11, and first substrate 11 is equipped with the kneecap for positioning human body
The kneecap positioning disk 12 of bone (in conjunction with shown in Fig. 2 and Fig. 3)；Regulating device 2, regulating device 2 include being vertically fixed on first substrate
On 11 and with the spaced slideway 21 of kneecap positioning disk 12 and the slide assemblies 22 being slidably connected with slideway 21；Burr component 3,
Burr component 3 includes being connected with slide assemblies 22 and being located at the burr head 31 of 12 top of kneecap positioning disk and be connected with burr head 31
Driving device (not shown).Wherein, burr head 31 can be fixed close to and far from kneecap under the drive of slide assemblies 22
Position disk 12 moves, and burr head 31 can be rotated relative to kneecap positioning disk 12 under the drive of the drive, burr head 31
The surface structure opposite with kneecap positioning disk 12 be adapted with the surface of patellar prosthesis.
Kneecap burr device 100 of the invention is when in use, it is necessary first to (not show the kneecap of human body to be polished in figure
Be placed on kneecap positioning disk 12 out), and by kneecap matched with femoral prosthesis facing towards fixed in burr head 31, then
The surface of burr head 31 and the surface of kneecap is set to fit by adjusting the height of regulating device 2.Driving device (such as electricity
Machine) driving under burr head 31 relative to kneecap surface rotate, polished with the surface to kneecap, what burr head 31 had
Surface identical with patellar prosthesis keeps kneecap consistent with the shape of existing patellar prosthesis.What needs to be explained here is that
Existing patellar prosthesis can be regarded as in the displacement technique of complete knee joint, apply in total knee prostheses with femoral prosthesis phase
The patellar prosthesis of cooperation.
By above-mentioned setting, compared with existing osteoplasty of patella, kneecap burr device 100 of the invention can be closed in total knee
Moulding directly is carried out to the kneecap of patient in the displacement technique of section, i.e., is beaten by surface of the burr head 31 to the kneecap of patient
Mill, so that kneecap can match with displaced femoral prosthesis, to reach effect similar with patellar prosthesis is replaced, into
And the kneecap for realizing human body replaces patellar prosthesis to be applied to lacking to avoid the displacement of patellar prosthesis in kneed displacement hand
The purpose of point.For example, replacing the kneecap of human body to be easy to increase Patellar joint shakiness, patellar prosthesis failure, mill using patellar prosthesis
The problem of complication such as damage, loosening.In addition, kneecap burr device 100 of the invention can also pass through the burr of replacement different size
First 31, to adapt to the kneecap of different size of human body, applicability is wider.
In preferred embodiment as shown in Figure 1, as shown in connection with fig. 4, slide assemblies 22 may include sliding with slideway 21
The second substrate 221 of connection, the second substrate 221 are parallel to first substrate 11, and burr head 31 is connected to the one of the second substrate 221
End.The second substrate 221 can be parallel to first substrate 11 and along close to and far from first base by being slidably connected with slideway 21
The direction of plate 11 moves, so that burr head 31 can be moved along the direction close to and far from kneecap positioning disk 12 simultaneously.By this
Setting, can be by control the second substrate 221 relative to the distance between first substrate 11, to control burr head 31 relative to kneecap
The distance between bone positioning disk 12, in order to which the kneecap of human body is easier to place and be fixed on kneecap positioning disk 12.
In preferred embodiment as shown in Figure 1, slideway 21 may include the surface and first perpendicular to first substrate 11
At least one slide bar 211 that substrate 11 is fixedly connected and the fixation device 212 for fixing the second substrate 221, the second substrate 221
On can be formed with the through-hole 222 (as shown in connection with fig. 5) being slidably matched with slide bar 211.Preferably, slideway 21 may include perpendicular to
Multiple slide bars 211 that the surface of one substrate 11 is fixedly connected with first substrate 11 can be formed with and each slide bar in the second substrate 221
The 211 multiple through-holes 222 being slidably matched.By the setting, multiple slide bars 211 are slidably matched with through-hole 222, on the one hand, energy
Enough make the second substrate 221 more preferable relative to the balance of the sliding of slide bar 211；On the other hand, additionally it is possible to avoid the second substrate 221
The phenomenon that generating along the axis rotation of slide bar 211.
In preferred embodiment as shown in Figure 1, the surface of slide bar 211 can be formed with external screw thread, and fixed device 212 can
Including the first fixture nut 213 for being located at the bottom surface of the second substrate 221 and being threadedly coupled with slide bar 211.Pass through the setting, a side
Face can be such that the second substrate 221 is fixed on slide bar 211 by the first fixture nut 213 and the threaded connection of slide bar 211, from
And position the distance relative to first substrate 11 of the second substrate 221, with position burr head 31 relative to kneecap positioning disk 12
Distance；On the other hand, and the table of burr head 31 and kneecap can be adjusted by adjusting the fixation position of the first fixture nut 213
The compactness in face, so that burr head 31 can realize preferably polishing to the kneecap of human body.
In preferred embodiment as shown in Figure 1, fixed device 212 may also include positioned at the top surface of the second substrate 221
The second fixture nut 214.First fixture nut 213 and the second fixture nut 214 can be realized the folder to the second substrate 221
It holds, to improve the stability of the fixation of the second substrate 221.
In preferred embodiment as shown in Figure 1, burr component 3, which may also include, is fixedly connected on the second substrate 221
First sleeve 32 (in conjunction with shown in Fig. 4 and Fig. 5) on one end, burr head 31 and the inner wall of first sleeve 32 are slidably connected.It is logical
The setting is crossed, the axis of first sleeve 32 can be set to be overlapped with the center of kneecap positioning disk 12, so that burr head 31
It can be moved by first sleeve 32 along the direction close to and far from kneecap positioning disk 12, and then burr head can be effectively improved
31 Aligning degree.Preferably, the diameter of the internal perisporium of first sleeve 32 can be identical as the diameter of the periphery wall of burr head 31, with into
One step improves the stability of the sliding of burr head 31 and the accuracy of alignment.
In preferred embodiment as shown in Figure 1, as shown in connection with fig. 6, burr component 3 may also include one end and burr head
31 are connected, the shaft 32 that the other end is used to be connected with driving device (such as motor), the axle sleeve 33 that is socketed in shaft 32 and
The stop nut 34 connecting with the outer wall thread of axle sleeve 33, the outer diameter of stop nut 34 can be greater than the outer diameter of first sleeve 32
Size.By the setting, after stop nut 34 is connect with the outer wall thread of axle sleeve 33, pass through supporting for the top with first sleeve 32
The position for being capable of fixing the sliding relative to first sleeve 32 of burr head 31 is connect, in this way, the position when burr cannot reach reason
It, can also be more preferable to the kneecap of human body to realize to adjust the height of burr head 31 by adjusting stop nut 34 when the effect thought
Ground polishing, effectively to improve the kneecap of human body and the collocation degree of femoral prosthesis.
In preferred embodiment as shown in FIG. 6, graduation mark 331 may be provided on axle sleeve 33, as shown in connection with fig. 7, limit
The peep hole 341 for observing graduation mark 331 can be formed on the nut 34 of position.By the setting, sight can be passed through convenient for user
It examines hole 341 and observes graduation mark 33, accurately to adjust the height on the surface of the kneecap relative to human body of burr head 31, thus into
The grinding effect of the kneecap of the raising human body of one step.
In preferred embodiment as shown in Figure 8, the side wall of stop nut 34 be may also be formed with and stop nut 34
The parallel plane 342 of axis, peep hole 341 may be formed in plane 342, to improve the convenience that user observes graduation mark 33
Property.
Return to Fig. 1, it is preferable that kneecap burr device 100 may also include setting first substrate 11 and the second substrate 221 it
Between guiding device 4, in conjunction with shown in Fig. 2 and Fig. 4, guiding device 4 may include being fixed on first substrate 11 and the second substrate 221 2
Second sleeve 41 on one of person and the guide post 42 being slidably matched with second sleeve 41 in another one.Preferably, second
Sleeve 41 is fixed on first substrate 11, and guide post 42 is fixed in the second substrate 221.By the setting, guiding device 4 can be effective
Glide direction of the limitation the second substrate 221 relative to first substrate 11 so that the burr group being connected with the second substrate 221
The accuracy of the alignment on the surface relative to kneecap positioning disk 12 of part 3 is higher, and then its beating to the kneecap of human body of being more convenient for
Mill.Preferably, the diameter of the internal perisporium of second sleeve 41 can be identical as the diameter of the periphery wall of guide post 42, to improve the two sliding
The stability of cooperation, so that the guide effect of guiding device 4 is more accurate.
It, as shown in connection with fig. 3, can at least shape on the surface of kneecap positioning disk 12 in preferred embodiment as shown in Figure 1
At there are three the lines of positioning protrusion 121, the position of each positioning protrusion 121 may be configured to triangle, to improve the kneecap of human body
Fixation stability.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
In this application unless specifically defined or limited otherwise, the terms such as term " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral；It can be mechanical connection,
It can be electrical connection；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
Logical or two elements interaction relationship.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.Especially, as long as there is no knots
Structure conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The present invention does not limit to
In specific embodiment disclosed herein, but include all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of kneecap burr device characterized by comprising
Pedestal, the pedestal include horizontally disposed first substrate, and the first substrate is equipped with the kneecap for positioning human body
Kneecap positioning disk；
Regulating device, the regulating device include being vertically fixed on the first substrate and setting with kneecap positioning disk interval
The slideway set and the slide assemblies being slidably connected with the slideway；
Burr component, the burr component include being connected with the slide assemblies and being located at the burr above the kneecap positioning disk
Head and the driving device being connected with the burr head；
Wherein, the burr head can move under the drive of the slide assemblies close to and far from the kneecap positioning disk, and
And the burr head can under the driving of the driving device relative to the kneecap position disc spins, the burr head with
The opposite surface structure of the kneecap positioning disk is to be adapted with the surface of patellar prosthesis.
2. kneecap burr device according to claim 1, which is characterized in that the slide assemblies include sliding with the slideway
The second substrate of dynamic connection, the second substrate are parallel to the first substrate, and the burr head is connected to the second substrate
One end.
3. kneecap burr device according to claim 2, which is characterized in that the slideway includes perpendicular to first base
At least one slide bar that the surface of plate is fixedly connected with the first substrate and the fixation device for fixing the second substrate,
The through-hole with sliding bar cooperation is formed in the second substrate.
4. kneecap burr device according to claim 3, which is characterized in that the surface of the slide bar is formed with external screw thread,
The fixed device includes the first fixture nut for being located at the bottom surface of the second substrate and being threadedly coupled with the slide bar.
5. kneecap burr device according to claim 4, which is characterized in that the fixed device further includes being located at described the
Second fixture nut of the top surface of two substrates.
6. kneecap burr device according to claim 5, which is characterized in that the burr component further includes being fixedly connected on
First sleeve on one end of the second substrate, the burr head and the inner wall of the first sleeve are slidably connected.
7. kneecap burr device according to claim 6, which is characterized in that the burr component further include one end with it is described
Burr head is connected, the shaft that the other end is used to be connected with the driving device, the axle sleeve that is socketed in the shaft and with institute
The stop nut of the outer wall thread connection of axle sleeve is stated, the outer diameter of the stop nut is greater than the outer diameter ruler of the first sleeve
It is very little.
8. kneecap burr device according to claim 7, which is characterized in that graduation mark is provided on the axle sleeve, it is described
The peep hole for observing the graduation mark is formed on stop nut.
9. the kneecap burr device according to any one of claim 3 to 8, which is characterized in that the kneecap burr device
It further include the guiding device being arranged between the first substrate and the second substrate, the guiding device includes being fixed on institute
It states sliding with the second sleeve in the second sleeve and another one on one of both first substrate and the second substrate
The guide post of dynamic cooperation.
10. kneecap burr device according to claim 9, which is characterized in that on the surface of the kneecap positioning disk at least
It is formed there are three positioning protrusion, the line of the position of each positioning protrusion is configured to triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910477450.2A CN110215260A (en) | 2019-06-03 | 2019-06-03 | Kneecap burr device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910477450.2A CN110215260A (en) | 2019-06-03 | 2019-06-03 | Kneecap burr device |
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| Publication Number | Publication Date |
|---|---|
| CN110215260A true CN110215260A (en) | 2019-09-10 |
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ID=67819004
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910477450.2A Pending CN110215260A (en) | 2019-06-03 | 2019-06-03 | Kneecap burr device |
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| CN (1) | CN110215260A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113069174A (en) * | 2021-03-29 | 2021-07-06 | 山东大学齐鲁医院(青岛) | Patella trimming device |
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| CN208592655U (en) * | 2018-06-29 | 2019-03-12 | 重庆友擘机械制造有限公司 | Shift pivoted arm inner hole grinding device |
| CN210727821U (en) * | 2019-06-03 | 2020-06-12 | 北京市春立正达医疗器械股份有限公司 | Patella rasping device |
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2019
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|---|---|---|---|---|
| CN105167819A (en) * | 2015-09-25 | 2015-12-23 | 海南省万宁市人民医院 | Patella forming file |
| CN107280822A (en) * | 2017-08-02 | 2017-10-24 | 北京安颂科技有限公司 | Patellar prosthesis and artificial knee joint |
| CN208592655U (en) * | 2018-06-29 | 2019-03-12 | 重庆友擘机械制造有限公司 | Shift pivoted arm inner hole grinding device |
| CN109431659A (en) * | 2018-12-17 | 2019-03-08 | 北京爱康宜诚医疗器材有限公司 | Patellar prosthesis |
| CN210727821U (en) * | 2019-06-03 | 2020-06-12 | 北京市春立正达医疗器械股份有限公司 | Patella rasping device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113069174A (en) * | 2021-03-29 | 2021-07-06 | 山东大学齐鲁医院(青岛) | Patella trimming device |
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