CN208404735U - A kind of osteotomy guiding - Google Patents
A kind of osteotomy guiding Download PDFInfo
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- CN208404735U CN208404735U CN201721224532.9U CN201721224532U CN208404735U CN 208404735 U CN208404735 U CN 208404735U CN 201721224532 U CN201721224532 U CN 201721224532U CN 208404735 U CN208404735 U CN 208404735U
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- turns
- osteotomy
- substrate
- distal end
- pasting board
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- 239000000758 substrate Substances 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 210000000689 upper leg Anatomy 0.000 abstract description 8
- 241001227561 Valgus Species 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 241001640034 Heteropterys Species 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000002758 humerus Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model proposes a kind of osteotomy guiding, including the substrate that turns up, distal end pasting board and the control-rod that leans forward；The substrate that turns up passes through for an im rod, and the substrate that turns up is equipped with a screw hole；Distal end pasting board is articulated with the substrate that turns up, and the distal end pasting board is equipped with osteotomy of distal plate and sliding rail；It leans forward and controls club shaft equipped with the external screw thread cooperated with the screw hole, which is installed on the screw hole, and the front end of the control-rod that leans forward is slidably matched with the sliding rail；It is described to lean forward control-rod when rotated, the distal end pasting board is able to drive relative to the substrate rotating of turning up, to change the angle between the distal end pasting board and the substrate that turns up.Since the osteotomy of distal plate and the substrate that turns up are with certain forward leaning angle, it can be realized more accurate line of force positioning, reach substantially identical with anterior arch tangent line, and realize and carry out having forward leaning angle when femur osteotomy, so that greatly reducing preartis when four-in-one osteotomy the probability cut occurred.
Description
Technical field
The utility model relates to a kind of surgical instrument more particularly to a kind of during the femur osteotomy of knee prosthesis,
Complete the osteotomy guiding of femoral surface osteotomy positioning.
Background technique
It proves through a large number of experiments, since humerus has anterior arch structure, the position of pulp cavity is not and the line of force is flat at one
On face, the line of force should follow the state of anterior arch tangent, have the angle to lean forward relative to pulp cavity face.Traditional osteotomy guiding
It is to be positioned by pulp cavity, positioning of turning up, perpendicular to femoral bone cavitas medullaris, is only realized, and think pulp cavity in sagittal plain in osteotomy of distal face
In one plane with the line of force, but this with actual conditions and does not meet.Traditional osteotomy of distal only considers the angle of Coronal
Design, it may be assumed that only consider valgus angle, do not account for the angle of sagittal plain, when this results in femur bone-culting operation, line of force contraposition is inaccurate
Really, surgical effect is affected.
Above- mentioned information are only used for reinforcing the understanding to the background of the utility model disclosed in the background technology part, because
This it may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, providing one kind, human body can be accurately positioned remote
The Osteotomy at end, and realize the osteotomy guiding of accurate osteotomy.
The additional aspect and advantage of the utility model will be set forth in part in the description, and partly will be from retouching
It is apparent from stating, or the practice acquistion of the utility model can be passed through.
One aspect according to the present utility model, a kind of osteotomy guiding, including the substrate that turns up, distal end pasting board and control of leaning forward
Bar；The substrate that turns up passes through for an im rod, and the substrate that turns up is equipped with a screw hole；Distal end pasting board is articulated with the base that turns up
Plate, the distal end pasting board are equipped with osteotomy of distal plate and sliding rail；It leans forward to control club shaft and be equipped with and match with the screw hole
The external screw thread of conjunction, which is installed on the screw hole, and the front end of the control-rod that leans forward and the sliding rail slide
Cooperation；It is described to lean forward control-rod when rotated, the distal end pasting board is able to drive relative to the substrate rotating of turning up, to change
Angle between the distal end pasting board and the substrate that turns up.
An embodiment according to the present utility model, the osteotomy of distal plate, which is removably secured, is connected to the distal end patch
Plate.
An embodiment according to the present utility model is removably secured on the distal end pasting board and is provided with a switching
Plate, the osteotomy of distal plate are inserted and are fixed on the pinboard.
An embodiment according to the present utility model, the pinboard are equipped with by pressing spring driven pressing plate, institute
The osteotomy of distal plate can be compressed under by the effect of the elastic force of pressing spring by stating pressing plate, osteotomy of distal plate is fixed on described
Pinboard.
An embodiment according to the present utility model, the sliding rail is the ball-type track of circular in cross-section, described
The lean forward front end of control-rod is equipped with bulb, and the bulb is slidably matched with ball-type track, and the ball-type track enclosing ball
The angle of head is greater than 180 degree.
An embodiment according to the present utility model, the distal end pasting board is equipped with the pointer that leans forward, described to turn up on substrate
Equipped with this lean forward pointer cooperation with the scale that leans forward for the forward leaning angle for indicating distal end pasting board.
An embodiment according to the present utility model is provided with the bar that turns up on the substrate that turns up, sets on the bar that turns up
There is the centre bore passed through for the im rod, dentation disk is arranged on the outer wall of the bar that turns up, the dentation disk being capable of phase
It is solid by grip sealing cap that grip, the grip and dentation disk are arranged with for bar sliding and the rotation of turning up, outside the dentation disk
It is fixed.
An embodiment according to the present utility model, the dentation disk has multiple key-like grooves, described to turn up on substrate
Equipped with the key-like protrusion with the cooperation of the key-like groove of dentation disk, the bar that turns up is equipped with for providing bullet to the dentation disk
Power, so that the spring that turns up that dentation disk is combined with the substrate that turns up, the tail portion of the bar that turns up are fixedly installed pointer member and lead to
It crosses pointer member sealing cap to fix with the bar that turns up, described puts on the scale that turns up for being equipped with and cooperating with pointer member.
An embodiment according to the present utility model, the forward leaning angle variation range of the distal end pasting board are 0-9 degree.
An embodiment according to the present utility model, the grip are plastics or silica gel material.
As shown from the above technical solution, it the advantages of the utility model and has the active effect that
The osteotomy of the utility model is oriented to, since the osteotomy of distal plate and the substrate that turns up have certain forward leaning angle, by
This realizes that the more accurate line of force is fixed on the basis of the function of traditional instruments by adjusting with the contact forward leaning angle of condyle of femur distal end
Position reaches substantially identical with anterior arch tangent line, and realizes and carry out having forward leaning angle when femur osteotomy, so that four-in-one osteotomy
When greatly reduce preartis occurred cut probability.
Detailed description of the invention
Its example embodiment is described in detail by referring to accompanying drawing, above and other feature and advantage of the utility model will
It becomes readily apparent from.
Fig. 1 is the structural schematic diagram of the osteotomy guiding of one embodiment of the utility model；
Fig. 2 is the schematic cross-sectional view of Fig. 1；
Fig. 3 is partial enlarged view at I in Fig. 1；
Fig. 4 is the schematic diagram that grip is matched with pointer member；
Fig. 5 is schematic diagram of the control-rod when sliding rail combines that lean forward in Fig. 1；
Fig. 6 is schematic diagram of the bar when the substrate that turns up combines that turn up in Fig. 2.
In figure: 1, distal end pasting board；101, sliding rail；2, lean forward pointer；3, turn up substrate；31, lean forward scale；32, key
Shape protrusion；33, datum plane；4, dentation disk；5, lean forward control-rod；6, grip；61, turn up scale；7, pointer member；71, graticule；
8, im rod；9, lean forward fixed pin；10, pinboard；11, pressing spring is pressed；12, pressing plate；13, pushpin；14, osteotomy of distal
Plate；141, datum plane；15, rotary shaft is followed closely；16, turn up bar；17, grip sealing cap；18, turn up spring；19, pointer member sealing cap.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that this is practical new
Type will be full and complete, and the design of example embodiment is comprehensively communicated to those skilled in the art.It is identical in figure
Appended drawing reference indicates same or similar structure, thus the detailed description that will omit them.
As shown in Figures 1 to 6, the utility model embodiment discloses a kind of osteotomy guiding, is used for knee prosthesis
Operation is oriented to using the osteotomy after can determining the human body line of force according to preoperative planning, determines the valgus angle in osteotomy of distal face and incline
Angle meets osteotomy plate and the human body line of force spatially vertical.The osteotomy guiding of the utility model embodiment includes the substrate that turns up
3, distal end pasting board 1 and the control-rod 5 that leans forward.
The substrate 3 that turns up passes through for an im rod 8, the substrate 3 that turns up be used as a basic part, play to other parts into
The effect of row support positioning.Distal end pasting board 1, which is hinged on, to turn up on substrate 3, before passing through between the distal end pasting board 1 and the substrate 3 that turns up
The fixed pin 9 that inclines carries out hingedly, and a datum plane 33 is equipped on substrate 3 turning up.Osteotomy of distal is provided on distal end pasting board 1
Plate 14, the osteotomy of distal plate 14 are in be arranged in a mutually vertical manner with distal end pasting board 1.The osteotomy of distal plate 14 and distal end are pasted at the time of surgery,
Plate 1 is matched with other surgical instruments to complete osteotomy operation, which has the datum plane towards pulp cavity
141, the original state between the datum plane 141 and datum plane 33 is orthogonal state.
It is additionally provided with a sliding rail 101 on distal end pasting board 1, and is provided with screw hole on substrate 3 turning up, control of leaning forward
Bar 5 processed is mounted in screw hole.Lean forward the substantially stock of control-rod 5, and the body of rod is equipped with the external screw thread cooperated with screw hole, and should
The lean forward front end of control-rod 5 is bulb end, and the bulb end and sliding rail are formed and be slidably matched.Doctor when in use, Ke Yiyong
Hand rotates the control-rod 5 that leans forward, this leans forward control-rod 5 while rotating, can extend or shorten, bulb end in screw hole
Also it correspondingly slides in the sliding track.The front end of the control-rod 5 that leans forward while sliding, can also push distal end pasting board 1
Relative to turning up, substrate 3 is rotated, and the angle for thus changing distal end pasting board 1 between the substrate 3 that turns up also changes the distal end and cuts
Angle between the datum plane 141 of bone plate 14 and the datum plane 33 for the substrate 33 that turns up changes osteotomy forward leaning angle to reach
The problem of, so that osteotomy surface is vertical with the line of force.
In the present embodiment, which is the ball-type track of circular in cross-section, which can be embedded in ball-type
It in track, and is slidably matched with the formation of ball-type track, the angle that ball-type track encloses the bulb is greater than 180 degree.So can
Bulb is enough avoided to deviate from from ball-type track.
Referring to Fig. 1, in the present embodiment, it is additionally provided with the pointer 2 that leans forward on the distal end pasting board 1, is set on substrate 3 turning up
There is the scale 31 that leans forward with the cooperation of pointer 2 of leaning forward, the preoperative anatomical structure according to patient determines the valgus angle of patient and inclines
Angle, in art, according to the graduation indication disk that leans forward, the adjusting pointer 2 that leans forward obtains required angle, it may be assumed that distal end pasting board 1 is relative to turning up
Angle between the forward leaning angle of substrate 3, that is, the datum plane 141 and datum plane 33 of osteotomy of distal plate 14.When distal end
When pasting board 1 tilts, which is directed toward corresponding scale position.The forward leaning angle variation range of the distal end pasting board 1 is 0-9 degree.
Referring to Fig. 1 and Fig. 2, osteotomy of distal plate 14, which is removably secured, to be connected on distal end pasting board 1, therefore the osteotomy of distal
Plate 14, which can according to need, to be replaced, to adapt to different operation demands, such as when left and right femur is performed the operation, Ke Yigeng
Full symmetric osteotomy of distal plate is changed, the osteotomy of distal plate of different size model numbers can also be replaced according to the patient of different building shape
14。
More specifically, in the present embodiment, it is removably secured on the distal end pasting board 1 and is provided with a pinboard
10, which inserts and is fixed on pinboard 10.When the two is inserted, it can be arranged on pinboard 10 and insert
Pin, and jack is set on osteotomy of distal plate 14, which is cooperated with jack.Between pinboard 10 and osteotomy of distal plate 14
It can be fixed, can also be fixed by elastic construction by screw etc..In the present embodiment, on the pinboard 10
Equipped with the pressing plate 12 by driving by pressing spring 11, it is remote which can compress this under by the effect of the elastic force of pressing spring 11
Osteotomy plate 14 is held, osteotomy of distal plate 14 is fixed on pinboard 10.After pressing the pressing plate 12 with hand, distal end can be unclamped
Osteotomy plate 14 is replaced, and after loosing one's grip, which can be used to compress osteotomy of distal plate 14.
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, the bar 16 that turns up is provided with by rotary shaft nail 15 on substrate 3 turning up, this is outer
It turns over bar 16 and is equipped with the centre bore that passes through for im rod 8, be arranged with dentation disk 4 on the outer wall for turning up bar 16, outside dentation disk 4
It is arranged with grip 6, which can be plastics or silica gel material, and grip 6 is fixed with dentation disk 4 by grip sealing cap.The dentation disk 4
It can be relative to the sliding of bar 16 and the rotation of turning up.The grip 6 can pass through handle for holding and moving together with dentation disk 4
6 left-right rotation is covered to indicate the adjusting of valgus angle.It can use various lockable mechanisms between grip 6 and the bar 16 that turns up to carry out
Locking.In the present embodiment, which is dentation disk 4 and key-like protrusion, wherein is equipped with tooth in the front end of grip 6
Shape disk 4, dentation disk 4 have multiple key-like grooves, key-like protrusion are equipped on substrate 3 turning up, which can be with key-like
Groove cooperation.The spring 18 that turns up is equipped on bar 16 turning up, which can provide elastic force to grip 6 and dentation disk 4, with
Make dentation disk 4 and the substrate 3 that turns up is combined by lockable mechanism.It is equipped with the grip sealing cap 17 for sealing in the tail end of grip 6,
It is fixedly installed the pointer member 7 of circular ring shape in the tail portion for the bar 16 that turns up, the tail portion of the pointer member 7 is by pointer member sealing cap 19 and outside
Bar is turned over to fix.It is equipped with graticule in pointer member 7, the scale that turns up cooperated with the graticule of pointer member 7 is equipped on grip 6 for referring to
Show valgus angle.
When in use, doctor operates the control-rod 5 that leans forward, and observes the preceding momentariness of the direction of pointer 2 that leans forward on distal end pasting board 1
Degree, after current momentariness degree reaches requirement, stop operating the control-rod 5 that leans forward.Then, dentation disk 4 is pulled, makes key-like groove and turns up
Key-like protrusion on substrate 3 separates, and after rotating dentation disk to required valgus angle, unclamps dentation disk 4, the spring 18 that turns up pushes
Dentation disk 4 in conjunction with the key-like protrusion on the substrate 3 that turns up, realizes the adjusting of valgus angle again.Finally, the lower pressing that press...withes one's finger
The rear end of plate 12 lifts its front end, and osteotomy of distal plate 14 is installed on pinboard 10, unclamps again pressing plate 12, presses bullet
Spring 11 pushes 12 return of pressing plate and is fixed osteotomy of distal plate 14.Osteotomy is carried out at this point, being oriented to using the osteotomy
Operation.Since the osteotomy of distal plate up/down surface (be parallel to and datum level 141) 3 up/down surface of substrate (is parallel to turning up
Datum level 33) forward leaning angle that is formed, thus it is also just provided with and leans forward between osteotomy of distal plate up/down surface and pulp cavity horizontal plane
Angle is formed by valgus angle between forward leaning angle pulp cavity horizontal plane opposite with osteotomy of distal plate and meets the true of preoperative planning
Positive human body line of force positioning, to reach the spatial vertical in osteotomy of distal face Yu the human body line of force, thus in the function of traditional instruments
On the basis of by adjusting with the contact forward leaning angle of condyle of femur distal end realize that the more accurate line of force positions, realize that the line of force is cut with anterior arch
Line coincide substantially, and realizes that carrying out femur osteotomy has forward leaning angle, goes out so that greatly reducing preartis when four-in-one osteotomy
Now cross the probability cut.
It is particularly shown and described the illustrative embodiments of the utility model above.It should be understood that the utility model
It is not limited to disclosed embodiment, on the contrary, the utility model intention covers included in spirit and scope of the appended claims
Interior various modifications and equivalent arrangements.
Claims (10)
1. a kind of osteotomy guiding characterized by comprising
Turn up substrate, passes through for an im rod, and the substrate that turns up is equipped with a screw hole；
Distal end pasting board, is articulated with the substrate that turns up, and the distal end pasting board is equipped with osteotomy of distal plate and sliding rail；
Lean forward control-rod, and the body of rod is equipped with the external screw thread cooperated with the screw hole, which is installed on the screw hole,
And the front end of the control-rod that leans forward is slidably matched with the sliding rail；
It is described to lean forward control-rod when rotated, the distal end pasting board is able to drive relative to the substrate rotating of turning up, to change
Angle between the distal end pasting board and the substrate that turns up.
2. osteotomy guiding according to claim 1, which is characterized in that the osteotomy of distal plate, which is removably secured, to be connected to
The distal end pasting board.
3. osteotomy guiding according to claim 2, which is characterized in that be removably secured and be provided on the distal end pasting board
One pinboard, the osteotomy of distal plate are inserted and are fixed on the pinboard.
4. osteotomy guiding according to claim 3, which is characterized in that the pinboard is equipped with spring driven by pressing
Pressing plate, the pressing plate can compress the osteotomy of distal plate under by the effect of the elastic force of pressing spring, by osteotomy of distal plate
It is fixed on the pinboard.
5. osteotomy guiding according to claim 1, which is characterized in that the sliding rail is the ball-type of circular in cross-section
The front end of track, the control-rod that leans forward is equipped with bulb, and the bulb is slidably matched with ball-type track, and the ball-type track encloses
The angle for closing the bulb is greater than 180 degree.
6. osteotomy guiding according to claim 1, which is characterized in that the distal end pasting board is equipped with the pointer that leans forward, described
The substrate that turns up is equipped with the pointer cooperation of leaning forward with the scale that leans forward for the forward leaning angle for indicating distal end pasting board.
7. osteotomy guiding according to claim 1, which is characterized in that it is provided with the bar that turns up on the substrate that turns up, it is described
The bar that turns up is equipped with the centre bore passed through for the im rod, is arranged with dentation disk, the tooth on the outer wall of the bar that turns up
Shape disk can be arranged with grip outside relative to bar sliding and the rotation of turning up, the dentation disk, and the grip passes through with dentation disk
Grip sealing cap is fixed.
8. osteotomy guiding according to claim 7, which is characterized in that the dentation disk has multiple key-like grooves, described
The substrate that turns up is equipped with the key-like protrusion cooperated with the key-like groove of dentation disk, and the bar that turns up is equipped with for the dentation
Disk provides elastic force, so that the spring that turns up that dentation disk is combined with the substrate that turns up, the tail portion of the bar that turns up are fixedly installed finger
Needle is simultaneously fixed by pointer member sealing cap with the bar that turns up, and described puts on the scale that turns up for being equipped with and cooperating with pointer member.
9. osteotomy according to claim 1 guiding, which is characterized in that the forward leaning angle variation range of the distal end pasting board is
0-9 degree.
10. osteotomy guiding according to claim 7, which is characterized in that the grip is plastics or silica gel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721224532.9U CN208404735U (en) | 2017-09-22 | 2017-09-22 | A kind of osteotomy guiding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721224532.9U CN208404735U (en) | 2017-09-22 | 2017-09-22 | A kind of osteotomy guiding |
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| Publication Number | Publication Date |
|---|---|
| CN208404735U true CN208404735U (en) | 2019-01-22 |
Family
ID=65127323
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721224532.9U Active CN208404735U (en) | 2017-09-22 | 2017-09-22 | A kind of osteotomy guiding |
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| CN (1) | CN208404735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109528264A (en) * | 2017-09-22 | 2019-03-29 | 北京纳通医学科技研究院有限公司 | A kind of osteotomy guiding |
-
2017
- 2017-09-22 CN CN201721224532.9U patent/CN208404735U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109528264A (en) * | 2017-09-22 | 2019-03-29 | 北京纳通医学科技研究院有限公司 | A kind of osteotomy guiding |
| CN109528264B (en) * | 2017-09-22 | 2024-04-09 | 北京纳通医学科技研究院有限公司 | Osteotomy guide |
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| CP03 | Change of name, title or address |
Address after: G356, 3rd floor, building 1, yard 9, CHENGWAN street, Haidian District, Beijing 100094 Patentee after: Beijing natong Medical Technology Holding Co.,Ltd. Country or region after: China Patentee after: BEIJING NATON TECHNOLOGY GROUP Co.,Ltd. Address before: 100095 3, 2 floor, 2 building, 103 Beiqing Road, Haidian District, Beijing. Patentee before: BEIJING NATON INSTITUTE OF MEDICAL TECHNOLOGY Co.,Ltd. Country or region before: China Patentee before: BEIJING NATON TECHNOLOGY GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240423 Address after: G356, 3rd floor, building 1, yard 9, CHENGWAN street, Haidian District, Beijing 100094 Patentee after: Beijing natong Medical Technology Holding Co.,Ltd. Country or region after: China Address before: G356, 3rd floor, building 1, yard 9, CHENGWAN street, Haidian District, Beijing 100094 Patentee before: Beijing natong Medical Technology Holding Co.,Ltd. Country or region before: China Patentee before: BEIJING NATON TECHNOLOGY GROUP Co.,Ltd. |