CN109730742A - A kind of dedicated orthopaedics saw of bone surgery - Google Patents
A kind of dedicated orthopaedics saw of bone surgery Download PDFInfo
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- CN109730742A CN109730742A CN201910171934.4A CN201910171934A CN109730742A CN 109730742 A CN109730742 A CN 109730742A CN 201910171934 A CN201910171934 A CN 201910171934A CN 109730742 A CN109730742 A CN 109730742A
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 24
- 238000001356 surgical procedure Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 25
- 230000003028 elevating effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 239000002826 coolant Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 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 description 7
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 17
- 210000001519 tissue Anatomy 0.000 description 15
- 238000001816 cooling Methods 0.000 description 5
- 241000272814 Anser sp. Species 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 102000011842 Serrate-Jagged Proteins Human genes 0.000 description 1
- 108010036039 Serrate-Jagged Proteins Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The invention discloses a kind of dedicated orthopaedics saws of bone surgery, belong to field of medical device, including including rotation annulus seat and attaching positioned at the saw blade rotated in one plane of annulus seat, saw blade one end and rotation annulus seat are hinged, the other end is slidably connected with rotation annulus seat, one end that saw blade is slidably connected is equipped with slide bar, slide bar is connected with the spring extended along saw blade sliding end rotary motion trace, the spring other end is fixedly connected with rotation annulus seat, saw blade can be rotated around hinged place, while saw blade can be with rotation annulus seat in vertical rotation in surface；Saw blade bottom forms straight blade, and the side of straight blade is uniformly fixed with the left-hand tooth and dextrad tooth of alternate intervals arrangement, and the tip of left-hand tooth and dextrad tooth is located at the side backwards to its stationary plane and extends to the outside of saw blade respective side.Sawing stability of the present invention is preferable, and section flatness is high, preferable to the remission effect of saw blade heat condition.
Description
Technical field
The present invention relates to field of medical device, are specifically related to a kind of dedicated orthopaedics saw of bone surgery.
Background technique
Operation is main treatment means in orthopaedics, and bone saw is common medical instrument in bone surgery.Existing bone saw
It is divided into saw and electronic goose saw manually, saw mainly uses the serrate saw blade in side manually, and operation Shi doctor needs to be pulled back with hand
Dynamic saw blade carries out saw bone, and time-consuming and laborious, large labor intensity, the saw bone time is longer, not only inconvenient for use, also will increase the pain of patient
It is bitter；The high speed horizontal swing that electronic goose saw mainly passes through control saw blade generates cutting effect, and operation Shi doctor needs dominated by hand
Motor pendulum saw body, and the float force of electronic goose saw is larger, and it is poor to will cause cutting stability.
No matter which kind of bone saw, in application, saw blade or saw blade are all to wait for a side of sawing spot to it with respect to sidesway from human body
Dynamic to carry out sawing, sawing active force frequently moves left and right, so that cutting stability is poor, also will cause the limbs group of truncated position
It is rough to knit section；In sawing process, saw blade two sides respectively with two segmentation truncation face contact and generate friction, easily make to saw
Piece generates heat and influences the service life of saw blade, and the heat transfer of saw blade gives limb tissue section, will cause the tissue of the section
It is impaired, it also will affect the flatness of the truncation surface, be all to be realized by the way of coolant liquid or ventilation to saw blade in the prior art
Cooling, it is poor to the remission effect of saw blade heat condition.
Summary of the invention
1. technical problems to be solved
The technical problem to be solved in the present invention is that provide a kind of bone surgery dedicated orthopaedics saw, sawing stability compared with
Good, section flatness is high, preferable to the remission effect of saw blade heat condition.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that:
A kind of dedicated orthopaedics saw of bone surgery, including rotation annulus seat and attaches in rotation one plane of annulus seat
Saw blade, the saw blade are in square bar, and the length of the saw blade is greater than the internal diameter of rotation annulus seat, and described saw blade one end passes through vertical
The shaft being fixed on rotation annulus seat is hinged on rotation annulus seat, and side is equipped with length and is parallel to saw blade where the saw blade other end
The strip-shaped hole of length is equipped in side where the rotation annulus seat corresponds to saw blade free end and extends along rotation annulus seat radian direction
Arc inner cavity, correspond on the rotation annulus seat and offers arcuately inner cavity in the plane of saw blade place side and extend and be connected to arc
The arc chute of shape inner cavity, the width of the arc chute are less than the width of arc inner cavity, are equipped in the arc chute along arc
The slide bar of shape sliding slot sliding, the slide bar are located at partially passing through strip-shaped hole and extending outward outside arc chute, the shaft
It is located at saw blade on the part of rotation annulus seat side with slide bar and is equipped with limited block for being limited to saw blade, it is described
Intracavitary in arc to be equipped with the spring that arcuately inner cavity extends, the spring one end is fixed on slide bar, and the spring other end is fixed on
One end of arc inner cavity, when spring in the raw when, the slide bar be located at and shaft about rotation annulus seat the center of circle pair
The position of title, the saw blade are located just on the center line of rotation annulus seat plane；
The saw blade bottom forms straight blade, and saw blade lower part side is uniform on the length direction of straight blade
It is fixed with cutter tooth group, the cutter tooth group includes the left-hand tooth and dextrad tooth of alternate intervals arrangement, the left-hand tooth and dextrad tooth
Tip is located at the side backwards to its stationary plane and extends to the outside of saw blade respective side, the left-hand tooth and dextrad tooth relative to
The deviation of the plane perpendicular to saw blade where respective affixed side is contrary；It is equipped with inside the saw blade and is used to contain coolant liquid
Liquid storage chamber, the saw blade top of side offers the liquid injection port of connection liquid storage chamber where the cutter tooth group, and the liquid injection port is equipped with
Sealing-plug, horizontal distance of the sealing-plug between the one side and straight blade of saw blade are less than left-hand tooth and dextrad tooth
Horizontal distance between tip and straight blade；
The rotation annulus seat annular surface side is equipped with the driving gear being driven by motor, the ring of the rotation annulus seat
Shape curved surface is equipped with the gear teeth engaged with driving gear, and the opposite side of side is equipped with rule where corresponding to saw blade on the rotation annulus seat
Lattice and the rotation consistent clamping rings seat of annulus seat, the rotation annulus seat towards be fixed in the plane of clamping rings seat with turn
The connection ring body that dynamic annulus seat is arranged concentrically, the plane of the clamping rings seat towards rotation annulus seat are equipped with just for connection
The rotation annular groove of ring body insertion, the clamping rings seat are connected with supporting structure, and the supporting structure is equipped with and is supported in motor
The supporting plate of bottom.
Further, the shaft and slide bar be located at saw blade backwards to rotation annulus seat side part on be furnished with screw thread, institute
Stating limited block is nut compatible with the screw thread.The mating reaction of nut and screw thread makes limited block convenient for disassembly and assembly, Jin Erbian
In dismounting saw blade, be conducive to nurse saw blade and replaced.
Further, the gasket for being located at saw blade two sides is arranged on the shaft and slide bar.Gasket is located at saw blade
Two sides can reduce the contact area of saw blade two sides and associated components while ensureing saw blade two sides by enough limit effects,
To advantageously reduce friction, and be conducive to rotation of the saw blade relative to rotation annulus seat.
As the optimization to above scheme, the slide bar two sides are respectively fixed with the identical spring of two specifications, the arc
Shape inner cavity is symmetrical about the center line where rotation annulus seat upper shaft lever.Because being answered in the case where connecting spring in slide bar side
Spring may be made to generate vibration when used time, saw blade and extremity, and be all connected with spring in the two opposite sides of slide bar, it can
Aforementioned vibration is eliminated, and then can further ensure the job stability of saw blade.In addition, when saw blade is by the tangential inside in limbs surface
When, the spring of slide bar side can generate the thrust to slide bar, and the spring of the other side can generate the pulling force to slide bar, so as to
Increase saw blade to the pressure of limb tissue, is conducive to accelerate saw cutting speed.
Specifically, the supporting structure includes the pedestal being placed on ground and the pillar that is fixed in the middle part of base upper surface,
The top of pillar is fixed in clamping rings seat bottom, and the supporting plate is fixed with the strut being connected on pillar.
Further, the rotation annulus seat is equipped with supporting table, the supporting table bottom backwards to the side of clamping rings seat
It is connected with elevating lever, the elevating lever bottom is connected on pillar by connecting rod, in the adjustment process of elevating lever, the support
The extreme lower position of countertop is concordant with the rotation inner circle bottom of annulus seat, supports the extreme higher position of countertop not higher than rotation annulus
The center location of seat.Because this bone saw needs to wear to the limbs of sawing from rotation its center point of one lateral edge of annulus seat in application
It crosses, limbs segmentation to be discarded is located at the outside of rotation annulus seat, and the setting of supporting table can be used to support limbs to be discarded point
Section is conducive to the stability for improving limbs in sawing process；And the height adjustment to supporting table can be realized by adjusting elevating lever,
To adapt to the different height demand of Different Individual.
3. beneficial effect
(1) present invention includes the rotation annulus seat in vertical rotation in surface, and a side plane of rotation annulus seat is equipped with saw
Piece, saw blade one end and rotation annulus seat are hinged, and the other end is slidably connected with rotation annulus seat, and one end that saw blade is slidably connected is worn
There is slide bar, slide bar is connected with the spring extended along saw blade sliding end rotary motion trace, the spring other end and the fixed company of rotation annulus seat
It connects, saw blade can be rotated around hinged place, while saw blade can be with rotation annulus seat in vertical rotation in surface.In application, spring can make to saw
Piece is pressed on limbs always, and saw blade can surround limb rotation, be generated on limb tissue to saw blade rotation direction cutting-up
Effect, in conjunction with spring reseting elasticity effect from saw blade to limbs that cut, it can be achieved that circle circle sawing limbs from outside to inside
Effect, active force suffered by limbs is directed around the variation of limbs fast periodic, is greatly improved the stability of cutting；When
When spring restores nature, saw blade is located at the centerline of rotation annulus seat, and cut surface can cover rotation circle after rotating a circle
The entire area of side port in ring seat, is just able to achieve to the complete sawed-off of limbs.
(2) saw blade bottom of the invention forms straight blade, in sawing process, the healthy limb of side where straight blade
Section it is preferable compared with the flatness than general bone saw, be not required to subsequent polish.
(3) side of straight blade of the invention is uniformly fixed with the left-hand tooth and dextrad tooth of alternate intervals arrangement, left-hand
The section that the tip of tooth and dextrad tooth is segmented discarded limbs draw and saws, and the bottom edge of left-hand tooth and dextrad tooth is to side where it
Limb tissue is ground, then left-hand tooth and the limb tissue of the corresponding sawing position of dextrad tooth place width are separated with limbs,
Formation width is greater than the sawing trace of saw blade thickness, then the saw blade surface of left-hand tooth and dextrad tooth place side will not be with limb tissue
Section contact, the plane of side is contacted with limb tissue section where saw blade only has straight blade, advantageously reduces the fever of saw blade
Amount；And the liquid storage chamber being equipped in saw blade for filling coolant liquid, the produced heat of saw blade can be absorbed, reach the mesh of cooling
's.The two synergistic effect, it is more preferable to the remission effect of saw blade heat condition, it can avoid limb tissue section by thermotropic damage, in turn
The flatness for being conducive to safeguard the section also helps the service life for maintaining saw blade.
To sum up, sawing stability of the invention is preferable, and section flatness is high, to the remission effect of saw blade heat condition compared with
It is good.
Detailed description of the invention
Fig. 1 is structural representation front view of the invention；
Fig. 2 is structural representation side view of the invention；
Fig. 3 is the structure enlargement diagram of region A in Fig. 2；
Fig. 4 is in main view when original state for rotation annulus seat 10 and saw blade 20 in embodiment 1；
Fig. 5 is main view when rotating annulus seat 10 and in running order saw blade 20 in embodiment 1；
Fig. 6 is the side schematic view of saw blade 20；
Fig. 7 is the bottom view of saw blade 20；
Fig. 8 is the longitudinal sectional view for rotating the connection structure of annulus seat 10 and clamping rings seat 30；
Fig. 9 is in main view when original state for rotation annulus seat 10 and saw blade 20 in embodiment 2；
Figure 10 is main view when rotating annulus seat 10 and in running order saw blade 20 in embodiment 2；
Appended drawing reference: 1- shaft, 2- slide bar, 3- limited block, 4- sealing-plug, 5- motor, 6- drive gear, 8- gasket, 10-
Rotate annulus seat, 11- arc inner cavity, 12- arc chute, 13- spring, the 14- gear teeth, 15- connection ring body, 20- saw blade, 21- item
Shape hole, 22- straight blade, 23- cutter tooth group, 24- liquid storage chamber, 25- liquid injection port, 30- clamping rings seat, 31- rotate annular groove, 40-
Supporting structure, 41- supporting plate, 42- pedestal, 43- pillar, 44- strut, 45- connecting rod, 50- supporting table, 51- elevating lever.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1
A kind of dedicated orthopaedics saw of bone surgery, as shown in Figures 4 and 5, including rotation annulus seat 10 and attaching are located at rotation
Saw blade 20 in 10 1 planes of annulus seat, the saw blade 20 are in square bar, and the length of the saw blade 20 is greater than rotation annulus seat
10 internal diameter, described 20 one end of saw blade pass through the shaft 1 being vertically fixed on rotation annulus seat 10 and are hinged on rotation annulus seat 10
On, saw blade 20 is rotated around shaft 1；Side is equipped with the bar shaped that length is parallel to 20 length of saw blade where 20 other end of saw blade
Hole 21 is equipped with what edge rotation 10 radian direction of annulus seat extended in side where corresponding 20 free end of saw blade of rotation annulus seat 10
Arc inner cavity 11, described rotate offer the arcuately extension of inner cavity 11 simultaneously in the plane for corresponding to 20 place side of saw blade on annulus seat 10
It is connected to the arc chute 12 of arc inner cavity 11, the width of the arc chute 12 is less than the width of arc inner cavity 11, the arc
The slide bar 2 that arcuately sliding slot 12 slides is equipped in sliding slot 12, as shown in figure 8, the slide bar 2 is located at the part outside arc chute 12
Extend across strip-shaped hole 21 and outward, pushes the arcuately sliding of sliding slot 12 of slide bar 2 convenient for hand-held, saw blade 20 can be promoted around shaft
1 rotation, in order to which limbs are passed through from the center point of rotation annulus seat 10；As shown in Fig. 1, Fig. 3 and Fig. 8, the shaft 1 and slide bar
2 are equipped with the limited block 3 for being limited to saw blade 20 positioned at saw blade 20 on the part of rotation 10 side of annulus seat, can
Prevent saw blade 20 from deviateing rotation annulus seat 10；The spring 13 that arcuately inner cavity 11 extends is equipped in the arc inner cavity 11, it is described
13 one end of spring is fixed on slide bar 2, and 13 other end of spring is fixed on one end of arc inner cavity 11, and the reseting elasticity of spring 13 is
Saw blade 20 is set to cut one of the predominant intermolecular forces of limbs；As shown in figure 4, when spring 13 in the raw when, the slide bar 2
In the symmetrical position in the center of circle with shaft 1 about rotation annulus seat 10, the saw blade 20 is located just at rotation 10 plane of annulus seat
Center line on, can ensure and limbs to be cut are completely cut through；
As shown in FIG. 6 and 7,20 bottom of saw blade forms straight blade 22, and the 20 lower part side of saw blade is flat
Uniformly be fixed with cutter tooth group 23 on the length direction of straight knife piece 22, the cutter tooth group 23 include alternate intervals arrangement left-hand tooth and
The tip of dextrad tooth, the left-hand tooth and dextrad tooth is located at the side backwards to its stationary plane and extends to 20 respective side of saw blade
The deviation direction phase of outside, the left-hand tooth and dextrad tooth relative to the plane perpendicular to saw blade 20 where respective affixed side
Instead；As shown in fig. 6, being equipped with the liquid storage chamber 24 for being used to contain coolant liquid inside the saw blade 20, the cooling to saw blade 20 can be played
Effect；20 top of saw blade of the 23 place side of cutter tooth group offers the liquid injection port 25 of connection liquid storage chamber 24, is convenient for cooling down
The filling and replacement of liquid；The liquid injection port 25 is equipped with sealing-plug 4, the sealing-plug 4 backwards to saw blade 20 one side with it is straight
Horizontal distance between blade 22 is less than the horizontal distance between left-hand tooth and the tip and straight blade 22 of dextrad tooth；
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, the rotation annulus seat 10 annular surface side is equipped with to be driven by motor 5
Gear 6 is driven, the annular surface of the rotation annulus seat 10 is equipped with the gear teeth 14 engaged with driving gear 6；Such as Fig. 1 and Fig. 8
Shown, the opposite side that 20 place side of saw blade is corresponded on the rotation annulus seat 10 is equipped with specification and rotation annulus seat 10 is consistent solid
Determine annulus seat 30, annulus seat 10 is concentric sets with rotation towards being fixed in the plane of clamping rings seat 30 for the rotation annulus seat 10
The connection ring body 15 set, the plane of the clamping rings seat 30 towards rotation annulus seat 10, which is equipped with, just inserts for connection ring body 15
The rotation annular groove 31 entered；As shown in Figures 1 and 2, the clamping rings seat 30 is connected with supporting structure 40, so just realizes pair
Rotate the support installation of annulus seat 10；The supporting structure 40 is equipped with the supporting plate 41 for being supported in 5 bottom of motor.
In the present embodiment, as shown in figure 3, the shaft 1 and slide bar 2 are located at saw blade 20 backwards to rotation 10 side of annulus seat
Part on be furnished with screw thread, the limited block 3 is nut compatible with the screw thread.The mating reaction of nut and screw thread to limit
Position block 3 is convenient for disassembly and assembly, and then saw blade easy to disassemble 20, is conducive to that saw blade 20 is nursed and replaced.
In the present embodiment, 20 two sides of saw blade are located at as shown in figure 3, being arranged on the shaft 1 and slide bar 2
Gasket 8.Gasket 8 is located at 20 two sides of saw blade can reduce saw blade 20 while ensureing 20 two sides of saw blade by enough limit effects
The contact area of two sides and associated components to advantageously reduce friction, and is conducive to saw blade 20 relative to rotation annulus seat 10
Rotation.
In the present embodiment, as shown in Figures 1 and 2, the supporting structure 40 includes the pedestal 42 being placed on ground and consolidates
Due to the pillar 43 of 42 upper surface middle part of pedestal, the top of pillar 43, the supporting plate are fixed in 30 bottom of clamping rings seat
42 are fixed with the strut 44 being connected on pillar 43.
In the present embodiment, as shown in Figures 1 and 2, the rotation annulus seat 10 is set backwards to the side of clamping rings seat 30
There is supporting table 50,50 bottom of supporting table is connected with elevating lever 51, and 51 bottom of elevating lever is connected to branch by connecting rod 45
On column 43, in the adjustment process of elevating lever 51, the extreme lower position of 50 top surface of supporting table and the inner circle of rotation annulus seat 10
Bottom is concordant, and the extreme higher position of 50 top surface of supporting table is not higher than the center location for rotating annulus seat 10.Because this bone saw is being applied
When need to pass through to the limbs of sawing from rotation its center point of 10 1 lateral edge of annulus seat, limbs segmentation discard, which is located at, to be rotated
The setting in the outside of annulus seat 10, supporting table 50 can be used to that limbs to be discarded is supported to be segmented, and be conducive to improve in sawing process
The stability of limbs；And the height adjustment to supporting table 50 can be realized by adjusting elevating lever 51, to adapt to Different Individual not
Same height requirement.
Embodiment 2
The present embodiment difference from example 1 is that:
In the present embodiment, as shown in FIG. 9 and 10,2 two sides of slide bar are respectively fixed with the identical bullet of two specifications
Spring 13, the arc inner cavity 11 are symmetrical about the center line where rotation 10 upper shaft lever of annulus seat 1.Because connecting in 2 side of slide bar
In the case where connecing spring 13, in application, spring 13 may be made to generate vibration when saw blade 20 and extremity, and in slide bar
2 two opposite sides are all connected with spring 13, can eliminate aforementioned vibration, and then can further ensure the job stability of saw blade 20.Separately
Outside, when the inside tangential by limbs surface of saw blade 20, the spring 13 of 2 side of slide bar can generate the thrust to slide bar 2, and the other side
Spring 13 can generate the pulling force to slide bar 2, so as to increase saw blade 20 to the pressure of limb tissue, be conducive to accelerate sawing
Speed.
Other are the same as embodiment 1.
The specific mechanism of the above-mentioned dedicated orthopaedics saw of bone surgery are as follows:
It performs the operation before starting, in advance the filling coolant liquid in liquid storage chamber 24, and sealing-plug 4 is covered tightly into reality；Then doctor holds
Slide bar 2 is mobile to the knife spine lateral edge arc chute 12 of saw blade 20, and the spring 13 of the side is compressed, and saw blade 20 occurs to turn around shaft 1
It is dynamic, as shown in Fig. 5 and Figure 10, patient can be waited for the limbs of sawing from the center point of clamping rings seat 30 and rotation annulus seat 10
It passes through, makes scheduled section generally within the lower section of saw blade 20, and healthy limb is made to be located at 22 place side of straight blade, then
By slide bar 2 to direction movement is resetted, until the straight blade 22 of saw blade 20 contacts the limbs to sawing, spring 13 is in compression at this time
State can generate the thrust towards 2 home position of slide bar, and saw blade 20 is pressed on limbs；
Motor 5 can then be started, motor 5 drives driving gear 6 to rotate, because on the annular surface of rotation annulus seat 10
The gear teeth 14 engaged with driving gear 6 are furnished with, so that rotation annulus seat 10 starts turning, turn to the steering with driving gear 6
On the contrary, and saw blade 20 is rotated with the rotation of rotation annulus seat 10 so that saw blade 20 is around limb rotation, on limb tissue
The effect to 20 rotation direction cutting-up of saw blade is generated, cuts saw blade 20 into limbs in combination with the reseting elasticity of spring 13
Effect, it can be achieved that the effect of a circle circle sawing limbs from outside to inside, active force suffered by limbs to be directed around limbs quickly all
The variation of phase property, is greatly improved the stability of cutting；Until spring 13 restores nature, at this point, saw blade 20 is located at rotation circle
The centerline of ring seat 10, cut surface can cover the entire area of side port in rotation annulus seat 10 after rotating a circle, just can be real
Now to the complete sawed-off of limbs.
In sawing process, because 20 bottom of saw blade forms straight blade 22, the side of straight blade 22 is uniformly fixed with
The left-hand tooth and dextrad tooth of alternate intervals arrangement, in sawing process, the section of the healthy limb of 22 place side of straight blade compared with than
The flatness of general bone saw is preferable, be not required to it is subsequent polish, and the section that the tip of left-hand tooth and dextrad tooth is segmented discarded limbs
Draw and saw, the bottom edge of left-hand tooth and dextrad tooth is ground the limb tissue of side where it, then left-hand tooth and dextrad tooth institute
Limb tissue in the corresponding sawing position of width is separated with limbs, and formation width is greater than the sawing trace of 20 thickness of saw blade, then
20 surface of saw blade of side will not be contacted with limb tissue section where left-hand tooth and dextrad tooth, and saw blade 20 only has 22 institute of straight blade
Plane in side is contacted with limb tissue section, advantageously reduces the calorific value of saw blade 20, and in the liquid storage chamber 24 of saw blade 20
Coolant liquid can absorb the produced heat of saw blade 20, achieve the purpose that cooling, the two synergistic effect, to the fever feelings of saw blade 20
The remission effect of condition is more preferable.
As shown in the above, sawing stability of the invention is preferable, and section flatness is high, delays to saw blade heat condition
It is preferable to solve effect.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen in scope of the presently claimed invention.
Claims (6)
1. a kind of dedicated orthopaedics saw of bone surgery, which is characterized in that including rotation annulus seat (10) and attach positioned at rotation annulus
Saw blade (20) in (10) planes of seat, the saw blade (20) are in square bar, and the length of the saw blade (20) is greater than rotation circle
The internal diameter of ring seat (10), described saw blade (20) one end pass through the shaft (1) being vertically fixed in rotation annulus seat (10) and are hinged on
It rotating on annulus seat (10), side is equipped with the strip-shaped hole (21) that length is parallel to saw blade (20) length where saw blade (20) other end,
It is equipped in side where corresponding saw blade (20) free end of the rotation annulus seat (10) and extends along rotation annulus seat (10) radian direction
Arc inner cavity (11), it is described rotation annulus seat (10) on correspond to saw blade (20) place side plane on offer arcuately inner cavity
(11) extend and be connected to the arc chute (12) of arc inner cavity (11), the width of the arc chute (12) is less than arc inner cavity
(11) width, the interior slide bar (2) for being equipped with arcuately sliding slot (12) sliding of the arc chute (12), the slide bar (2) are located at
Arc chute (12) partially passing through strip-shaped hole (21) and extending outward outside, the shaft (1) and slide bar (2) are located at saw blade
(20) limited block (3) for being limited to saw blade (20), institute are equipped on the part of rotation annulus seat (10) side
It states and is equipped with the spring (13) that arcuately inner cavity (11) extend in arc inner cavity (11), described spring (13) one end is fixed on slide bar
(2) on, spring (13) other end is fixed on one end of arc inner cavity (11), when spring (13) in the raw when, the cunning
Bar (2) is located at the symmetrical position in the center of circle with shaft (1) about rotation annulus seat (10), and the saw blade (20) is located just at rotation
On the center line of annulus seat (10) plane；
Saw blade (20) bottom forms straight blade (22), length of saw blade (20) the lower part side in straight blade (22)
Degree is uniformly fixed with cutter tooth group (23) on direction, and the cutter tooth group (23) includes the left-hand tooth and dextrad tooth of alternate intervals arrangement,
The tip of the left-hand tooth and dextrad tooth is located at the side backwards to its stationary plane and extends to the outside of saw blade (20) respective side,
The left-hand tooth and dextrad tooth are contrary relative to the deviation of the plane perpendicular to saw blade (20) where respective affixed side；Institute
The liquid storage chamber (24) for being equipped with inside saw blade (20) and being used to contain coolant liquid is stated, where the cutter tooth group (23) on the saw blade (20) of side
Portion offers the liquid injection port (25) of connection liquid storage chamber (24), and the liquid injection port (25) is equipped with sealing-plug (4), the sealing-plug
(4) horizontal distance between the one side and straight blade (22) of saw blade (20) be less than left-hand tooth and dextrad tooth tip and
Horizontal distance between straight blade (22)；
Rotation annulus seat (10) the annular surface side is equipped with the driving gear (6) driven by motor (5), the rotation annulus
The annular surface of seat (10) is equipped with the gear teeth (14) engaged with driving gear (6), corresponding saw on the rotation annulus seat (10)
The opposite side of side where piece (20) is equipped with specification and rotation annulus seat (10) consistent clamping rings seat (30), the rotation annulus
Seat (10) towards being fixed with the connection ring body (15) being arranged concentrically with rotation annulus seat (10) in the plane of clamping rings seat (30),
The plane of the clamping rings seat (30) towards rotation annulus seat (10) is equipped with the rotation just for connection ring body (15) insertion
Annular groove (31), the clamping rings seat (30) are connected with supporting structure (40), and the supporting structure (40) is equipped with and is supported in electricity
The supporting plate (41) of machine (5) bottom.
2. the dedicated orthopaedics saw of a kind of bone surgery according to claim 1, which is characterized in that the shaft (1) and slide bar
(2) it is located at saw blade (20) and is furnished with screw thread on the part of rotation annulus seat (10) side, the limited block (3) is and the screw thread
Compatible nut.
3. the dedicated orthopaedics saw of a kind of bone surgery according to claim 2, which is characterized in that the shaft (1) and slide bar
(2) gasket (8) for being located at saw blade (20) two sides is arranged on.
4. the dedicated orthopaedics saw of a kind of bone surgery according to claim 1, which is characterized in that slide bar (2) two sides point
It is not fixed with the identical spring (13) of two specifications, the arc inner cavity (11) is about rotation annulus seat (10) upper shaft lever (1) institute
Center line it is symmetrical.
5. the dedicated orthopaedics saw of a kind of bone surgery according to any one of claims 1 to 4, which is characterized in that the bracket
Structure (40) includes the pedestal (42) being placed on ground and the pillar (43) for being fixed on pedestal (42) upper surface middle part, the fixation
The top of pillar (43) is fixed in annulus seat (30) bottom, and the supporting plate (41) is fixed with the strut being connected on pillar (43)
(44)。
6. the dedicated orthopaedics saw of a kind of bone surgery according to claim 5, which is characterized in that the rotation annulus seat (10)
Supporting table (50) are equipped with backwards to the side of clamping rings seat (30), supporting table (50) bottom is connected with elevating lever (51), institute
Elevating lever (51) bottom is stated to be connected on pillar (43) by connecting rod (45), in the adjustment process of elevating lever (51), the branch
The extreme lower position for supportting platform (50) top surface is concordant with the rotation inner circle bottom of annulus seat (10), the extreme higher position of supporting table (50) top surface
Not higher than the center location of rotation annulus seat (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910171934.4A CN109730742B (en) | 2019-03-07 | 2019-03-07 | Special orthopedics saw of orthopedics operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910171934.4A CN109730742B (en) | 2019-03-07 | 2019-03-07 | Special orthopedics saw of orthopedics operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109730742A true CN109730742A (en) | 2019-05-10 |
| CN109730742B CN109730742B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910171934.4A Active CN109730742B (en) | 2019-03-07 | 2019-03-07 | Special orthopedics saw of orthopedics operation |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5160340A (en) * | 1988-06-16 | 1992-11-03 | Gary James A | Autopsy apparatus |
| CN2369637Y (en) * | 1999-01-28 | 2000-03-22 | 王德禄 | Multifunction electric surgical device for orthopedic department |
| KR200262941Y1 (en) * | 2001-10-31 | 2002-03-18 | 전건영 | a |
| CN204471453U (en) * | 2015-03-13 | 2015-07-15 | 天津旭迪聚氨酯保温防腐设备有限公司 | A kind of planetary cutting saw and a kind of tubing diced system |
| CN105232111A (en) * | 2015-10-30 | 2016-01-13 | 重庆医科大学附属永川医院 | Medical electric saw |
| CN206424115U (en) * | 2016-10-21 | 2017-08-22 | 张健 | A kind of bone saw of Orthopeadic Surgery |
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2019
- 2019-03-07 CN CN201910171934.4A patent/CN109730742B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5160340A (en) * | 1988-06-16 | 1992-11-03 | Gary James A | Autopsy apparatus |
| CN2369637Y (en) * | 1999-01-28 | 2000-03-22 | 王德禄 | Multifunction electric surgical device for orthopedic department |
| KR200262941Y1 (en) * | 2001-10-31 | 2002-03-18 | 전건영 | a |
| CN204471453U (en) * | 2015-03-13 | 2015-07-15 | 天津旭迪聚氨酯保温防腐设备有限公司 | A kind of planetary cutting saw and a kind of tubing diced system |
| CN105232111A (en) * | 2015-10-30 | 2016-01-13 | 重庆医科大学附属永川医院 | Medical electric saw |
| CN206424115U (en) * | 2016-10-21 | 2017-08-22 | 张健 | A kind of bone saw of Orthopeadic Surgery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109730742B (en) | 2023-11-14 |
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