CN209332178U - Goose saw for osteotomy - Google Patents
Goose saw for osteotomy Download PDFInfo
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- CN209332178U CN209332178U CN201721468610.XU CN201721468610U CN209332178U CN 209332178 U CN209332178 U CN 209332178U CN 201721468610 U CN201721468610 U CN 201721468610U CN 209332178 U CN209332178 U CN 209332178U
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- saw blade
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Abstract
This application provides a kind of goose saws for osteotomy, comprising: the first saw blade, which includes the first saw blade portion and the first noumenon part, and is pivotally mounted on around the first pivot；Second saw blade, which includes the second saw blade portion and the second body part, and is pivotally mounted on around the second pivot；Transmission mechanism, the transmission mechanism are configured to make the first saw blade and the second saw blade reciprocally swinging；And power source, the power source provide power for transmission mechanism；Wherein, the first saw blade and the second saw blade are configured to the first saw blade portion and second when being cut and saw blade portion in opposite direction with identical saw cutting speed reciprocally swinging.Osteotomy efficiency can be improved when carrying out bone-culting operation in the goose saw of the application, saves the time, and stability is good, and structure is relatively easy.
Description
Technical field
This application involves for bone surgery medical instrument more particularly to a kind of osteotomy work in joint replacement
Tool.
Background technique
Artificial joint replacement is a kind of normal life replaced human lesion joint using bioartificial materials, restore joint
Manage the plastic surgery operations of function.During surgery, doctor needs to carry out characterization osteotomy to the joint of patient, to match artificial close
Save prosthese.
It in the bone-culting operation of joint, generallys use goose saw and performs the following operations: placing osteotomy guiding on bone first
Tool；Goose saw saw blade is mounted on power source；It again will be in the guide groove of goose saw saw blade insertion osteotomy steering tool；Giving power
After source is powered, operation goose saw saw blade carries out osteotomy along guide groove；After completing osteotomy, first power source is powered off, then goose saw is sawed
Piece takes out from guide groove.
The goose saw being currently used in the bone-culting operation of joint is mainly one chip goose saw, though appearance slightly difference, dynamic
The moment that power source is powered all can generate strong unidirectional acceleration at the saw sword position of goose saw saw blade.Therefore, in goose saw saw blade
The moment to osteotomy bone is contacted, handgrip part can generate strong reverse impact power, which can directly result in operator
Hand-held shakiness is easy to that saw blade position is caused to be deviateed, makes saw blade clamping stagnation in guide groove, or lead to osteotomy surface out-of-flatness, reduces
Goose saw osteotomy efficiency causes osteotomy operation failure and needs repeatedly to attempt, delay operating time.Meanwhile this goose saw also improves
The requirement of ability is used doctor.
Therefore, it is necessary to a kind of goose saws that can quickly, accurately, steadily carry out osteotomy.
Utility model content
The purpose of the application is to propose a kind of improvement to overcome the problems, such as at least one or more present in existing goose saw
Osteotomy tool, can be realized quick, accurate and stable osteotomy.
For this purpose, providing a kind of goose saw for osteotomy according to the one side of the application, comprising:
First saw blade, first saw blade include the first saw blade portion and the first noumenon part, and first saw blade around
First pivot is pivotally mounted on；
Second saw blade, second saw blade include the second saw blade portion and the second body part, and second saw blade around
Second pivot is pivotally mounted on；
Transmission mechanism, the transmission mechanism are configured to make first saw blade and the second saw blade reciprocally swinging；With
Power source, the power source provide power for the transmission mechanism；
Wherein, first saw blade and second saw blade be configured to when being cut described in first saw blade portion and
The second saw blade portion is in opposite direction with identical saw cutting speed reciprocally swinging.
Preferably, when being cut described in first saw blade portion and it is described second saw blade portion with identical in addition to direction
Kinematic parameter reciprocally swinging.
Preferably, when being cut described in first saw blade portion and it is described second saw blade portion stroke it is cross-superimposed and
It does not separate.
Preferably, first pivot and second pivot are respectively on first saw blade and second saw blade
Articulated position is adjustable.
Preferably, first pivot and second pivot are the same fixed pivot axis, and the fixed pivot axi is fixed
On the shell of goose saw.
Preferably, the transmission mechanism includes first connecting rod, second connecting rod and driving part, one end of the first connecting rod
It is pivotally hinged by third pivot with the first noumenon part of first saw blade, the other end of the first connecting rod with it is described
Driving part is pivotally hinged by the 4th pivot, and second body part of one end of the second connecting rod and second saw blade
It is point pivotally hinged by the 5th pivot, the other end of the second connecting rod and the driving part by the 6th pivot pivotally
Hingedly.
Preferably, the driving part surrounds its rotation center reciprocating rotation.
Preferably, the driving part is along straight reciprocating.
Preferably, the 4th pivot and the 6th pivot are the same pivots.
Preferably, the goose saw further includes handle, power supply line or battery.
The goose saw of the application passes through double saw blades and connect with power source, progress bone-culting operation, can be improved osteotomy efficiency, when saving
Between, stability is good, and structure is relatively easy.
Detailed description of the invention
The exemplary embodiment of the application is described in detail below with reference to accompanying drawings, it should be appreciated that retouch below
The embodiment stated is only used for explaining the application, rather than limits scope of the present application, in which:
Fig. 1 is the schematic diagram for showing the goose saw of the embodiment according to the application；
Fig. 2 is the schematic diagram for showing the goose saw of another embodiment according to the application.
Specific embodiment
Preferred embodiment of the present application is described in detail below with reference to example.But it will be understood by those skilled in the art that
These exemplary embodiments are not meant to form any restrictions to the application.In addition, in the absence of conflict, the application's
Feature in embodiment and embodiment can be combined with each other.In the accompanying drawings, for simplicity, other components, but this is omitted
The goose saw for not indicating the application not may include other components.
Referring to Figures 1 and 2, Fig. 1 and Fig. 2 respectively illustrates two exemplary embodiments of the application, is shown not
Same transmission mechanism.As depicted in figs. 1 and 2, the goose saw for osteotomy of the application includes the first saw blade 10 and the second saw blade 20,
Wherein the first saw blade 10 includes the first saw blade portion 11 and the first noumenon part 12, and the second saw blade 20 includes the second saw blade portion 21
With the second body part 22.First saw blade 10 and the second saw blade 20 are pivotally pacified rotating around respective first pivot and the second pivot
Dress.It should be noted that in fig. 1 and 2, the first saw blade 10 and the second saw blade 20 are illustrated as pivoting around the same fixed pivot axi 30
Ground installation, but the first saw blade 10 and the second saw blade 20 can pivotally pacify rotating around corresponding first pivot and the second pivot
Dress.Therefore, the first pivot and the second pivot can be two individual components, be also possible to the same single component.
The goose saw of the application further includes transmission mechanism 40 and power source (not shown), and wherein the transmission mechanism 40 is matched
Being set to swings the first saw blade 10 and the second saw blade 20 to be cut, and the power source is that transmission mechanism 40 provides power.?
When being cut, the first saw blade 10 and the second saw blade 20 swing rotating around respective pivot, make under the driving of transmission mechanism 40
The first saw blade portion 11 and the second saw blade portion 12 are obtained on bone in opposite direction with identical saw cutting speed reciprocally swinging.
According to an embodiment, when being cut, the first saw blade portion 11 and the second saw blade portion 21 can be to remove direction
Except identical kinematic parameter reciprocally swinging.Above-described kinematic parameter includes saw cutting speed, acceleration, sawing displacement, saw
Cut amount of feeding etc..According to another embodiment, when being cut, the stroke of the first saw blade portion 11 and the second saw blade portion 21 can
With cross-superimposed and do not separate.In this manner it is ensured that the moment that the goose saw of the application in cutting process, is generated by single saw blade
The instantaneous force that active force and another saw blade generate is equivalent reversed, so as to internal-neutralized.Therefore, goose saw can be made
Position is not hit the influence of power, keeps stablizing.
According to another embodiment, the respective hinge of the first pivot and the second pivot on the first saw blade 10 and the second saw blade 20
Position is adjustable.For example, being respectively arranged to the first pivot and the second pivot on the first saw blade 10 and the second saw blade 20
Hinged multiple holes.When the articulated position of the first pivot and the second pivot is respectively adjusted to the position far from corresponding saw blade portion
(that is, being respectively hinged in the hole far from corresponding saw blade portion), then the amplitude of fluctuation for sawing blade portion becomes larger, on the contrary then become smaller.?
In the case that first pivot and the second pivot are the same fixed pivot axi 30, fixed pivot axi 30 can be with the first saw blade 10 and second
Corresponding hole is hinged on saw blade 20.In general, the first pivot and the second pivot (or fixed pivot axi 30) can be fixed on goose saw
On shell 31, to constrain the movement of goose saw to a greater extent.
As shown in Figure 1, showing a kind of specific transmission mechanism, which connects including first connecting rod 41, second
The first noumenon part 12 of bar 42 and driving part 50, one end of first connecting rod 41 and the first saw blade 10 is (for example, in the first saw blade
10 one end far from the first saw blade portion 11) it is pivotally hinged by third pivot 13, and the other end of first connecting rod 41 with
Driving part 50 is by the way that the 4th pivot 51 is pivotally hinged and second ontology of one end of second connecting rod 42 and the second saw blade 20
Part 22 (for example, in one end far from the second saw blade portion 21 of the second saw blade 20) is pivotally hinged by the 5th pivot 23,
And the other end of second connecting rod 42 and driving part 50 are pivotally hinged by the 6th pivot 52.It should be noted that in Fig. 1,
4th pivot 51 and the 6th pivot 52 are illustrated as two different pivots, and are located at the different location of driving part 50.However,
4th pivot 51 and the 6th pivot 52 are also possible to the same pivot.In Fig. 1, driving part 50 is a rotatable parts, example
Such as driving wheel, rotation center reciprocating rotation can be surrounded, as illustrated by the arrows in fig. 1.First connecting rod 41 and second connecting rod 42
Can be along the circumferential direction hinged on driving part 50, and two articulated positions can be separated by certain angle, for example, 90 °.When
So, according to different articulated positions, the length of first connecting rod 41 and second connecting rod 42 be can also be different.
Another specific transmission mechanism, the difference of the transmission mechanism and transmission mechanism shown in FIG. 1 is shown in FIG. 2
At least that the difference of driving part.In Fig. 2, first connecting rod 41 and second connecting rod 42 pass through the same pivot 61 and driving portion
Part 60 is pivotally hinged.Certainly, first connecting rod 41 and second connecting rod 42 can also pass through respective 4th pivot 51 and the respectively
Six pivots 52 and driving part 60 are pivotally hinged.In Fig. 2, driving part 60 is a slide unit, for example, slide crank
Block, can be along straight reciprocating, as denoted by the arrows in fig. 2.
Above-described transmission mechanism is only example.It should be understood that the transmission mechanism of the application can be and be able to achieve two
Any transmission mechanism that the saw blade portion of saw blade is cut in opposite direction with identical saw cutting speed, for example, link mechanism, convex
Take turns link mechanism, gear mechanism etc..Because these transmission mechanisms be all it is known in the art, repeats no more herein.
In addition, the goose saw of the application may also include handle, in order to the gripping of doctor.In addition, goose saw may also include power supply
Line or battery, for example, rechargeable battery.
The specific structure of goose saw according to an embodiment of the present application is described above by reference to attached drawing 1-2, is exemplified below
The operating process of osteotomy is carried out using the goose saw of the application.
After by the guide groove of the first saw blade 10 and the second saw blade 20 insertion osteotomy steering tool, doctor can be connected
Power source, for example, motor.The moment to osteotomy bone is contacted in the first saw blade 10 and the second saw blade 20, due to double saw-blade structures
Effect, the saw blade portion of two saw blades is in opposite direction with identical saw cutting speed reciprocally swinging, for example, in addition to direction
Identical kinematic parameter reciprocally swinging, the saw sword of the instantaneous force and another saw blade that generate the saw blade portion of single saw blade
The instantaneous force that part generates is equivalent and reversed, so as to cancel each other out.In addition, the stroke of the saw blade portion in double saw blades
In cross-superimposed and unseparated situation, the available further enhancing of the stability of goose saw.
The kinematic parameter of the structure that the goose saw of the application is intersected using double saw blades, single saw blade can be in addition to direction and another
One saw blade is identical.Therefore, when carrying out osteotomy, the active force that the saw blade portion of two saw blades generates on bone mutually offsets
Disappear, keep the handgrip part of doctor highly stable, and the position of goose saw is not deviateed because of the influence of impact force, avoids saw blade clamping stagnation
Situation in guide groove, meanwhile, it ensure that the smooth of osteotomy surface, improve osteotomy efficiency, reduce delay operating time
Possibility is also reduced osteotomy tool and is wanted to doctor using ability to meet quick, accurate and stable osteotomy demand
It asks.In addition, identical double saw blades can be used in the goose saw of the application, structure is simple and convenient to operate.
The application is described in detail in conjunction with specific embodiments above.Obviously, above description and show in the accompanying drawings
Embodiment out should be construed as illustratively, without constituting the limitation to the application.For those skilled in the art
Speech, can carry out various variations or modifications to it in the case where not departing from spirit herein, these variations or modifications are not
It is detached from scope of the present application.
Claims (10)
1. a kind of goose saw for osteotomy, comprising:
First saw blade (10), first saw blade include the first saw blade portion (11) and the first noumenon part (12), and described the
One saw blade is pivotally mounted on around the first pivot；
Second saw blade (20), second saw blade include the second saw blade portion (21) and the second body part (22), and described the
Two saw blades are pivotally mounted on around the second pivot；
Transmission mechanism (40), the transmission mechanism are configured to keep first saw blade (10) and second saw blade (20) reciprocal
It swings；With
Power source, the power source provide power for the transmission mechanism；
It is characterized in that, first saw blade (10) and second saw blade (20) be configured to when being cut described in first
Blade portion (11) and second saw blade portion (21) are sawed in opposite direction with identical saw cutting speed reciprocally swinging.
2. goose saw according to claim 1, which is characterized in that the first saw blade portion (11) and institute described in when being cut
The second saw blade portion (21) is stated with kinematic parameter reciprocally swinging identical in addition to direction.
3. goose saw according to claim 1 or 2, which is characterized in that the first saw blade portion (11) described in when being cut
It is cross-superimposed and do not separate with the stroke of second saw blade portion (21).
4. goose saw according to claim 1, which is characterized in that first pivot and second pivot are respectively described
Articulated position on first saw blade (10) and second saw blade (20) is adjustable.
5. goose saw according to claim 4, which is characterized in that first pivot and second pivot are same solid
Determine pivot (30), the fixed pivot axi (30) is fixed on the shell (31) of goose saw.
6. goose saw according to claim 1, which is characterized in that the transmission mechanism (40) includes first connecting rod (41),
The first noumenon part (12) of two connecting rods (42) and driving part, one end of the first connecting rod and first saw blade (10) is logical
It is pivotally hinged to cross third pivot (13), the other end of the first connecting rod and the driving part pass through the 4th pivot (51) pivot
Turn ground hingedly, and the second body part (22) of one end of the second connecting rod and second saw blade (20) passes through the 5th pivot
(23) pivotally hinged, the other end of the second connecting rod and the driving part are pivotally hinged by the 6th pivot (52).
7. goose saw according to claim 6, which is characterized in that the driving part surrounds its rotation center reciprocating rotation.
8. goose saw according to claim 6, which is characterized in that the driving part is along straight reciprocating.
9. goose saw according to claim 6, which is characterized in that the 4th pivot (51) and the 6th pivot (52) are
The same pivot (61).
10. goose saw according to claim 1, which is characterized in that the goose saw further includes handle, power supply line or battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721468610.XU CN209332178U (en) | 2017-11-07 | 2017-11-07 | Goose saw for osteotomy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721468610.XU CN209332178U (en) | 2017-11-07 | 2017-11-07 | Goose saw for osteotomy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209332178U true CN209332178U (en) | 2019-09-03 |
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ID=67743078
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721468610.XU Active CN209332178U (en) | 2017-11-07 | 2017-11-07 | Goose saw for osteotomy |
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| Country | Link |
|---|---|
| CN (1) | CN209332178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107693087A (en) * | 2017-11-07 | 2018-02-16 | 北京蒙太因医疗器械有限公司 | Goose saw for osteotomy |
-
2017
- 2017-11-07 CN CN201721468610.XU patent/CN209332178U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107693087A (en) * | 2017-11-07 | 2018-02-16 | 北京蒙太因医疗器械有限公司 | Goose saw for osteotomy |
| CN107693087B (en) * | 2017-11-07 | 2023-11-03 | 北京蒙太因医疗器械有限公司 | Pendulum saw for osteotomy |
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