CN208942274U - ultrasonic osteotome head - Google Patents
ultrasonic osteotome head Download PDFInfo
- Publication number
- CN208942274U CN208942274U CN201721509625.6U CN201721509625U CN208942274U CN 208942274 U CN208942274 U CN 208942274U CN 201721509625 U CN201721509625 U CN 201721509625U CN 208942274 U CN208942274 U CN 208942274U
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- China
- Prior art keywords
- grinding
- ultrasonic osteotome
- osteotome bit
- knife bar
- cutter head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000000227 grinding Methods 0.000 claims abstract description 144
- 230000003467 diminishing effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 abstract description 28
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000035876 healing Effects 0.000 description 4
- 210000004872 soft tissue Anatomy 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 208000004550 Postoperative Pain Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000000025 haemostatic effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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- Surgical Instruments (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses an supersound bone knife tool bit, including cutter arbor, blade and the tool bit grinding part that is located supersound bone knife tool bit front end, the shape of tool bit grinding part is triangular pyramid, and the bottom surface of triangular pyramid is the rear end of tool bit grinding part, with the apical tip end of the right triangular pyramid in bottom surface is the front end of tool bit grinding part, and the one end of cutter arbor is connected with the rear end of tool bit grinding part, and the other end of cutter arbor is connected with the blade, and wherein two sides in the three side conical surface of triangular pyramid are regarded as first grinding face and first grinding face respectively. This supersound bone knife tool bit is when can accomplishing normal bone grinding operation, because its front end area is little, therefore it is fast to grind off, and the rear end is big, can provide a fine field of vision again for the doctor, simultaneously, adopts unique full V-arrangement structural design for the doctor can make the abundant closed V-arrangement groove in the door-hinge side bone groove of grinding out at any operating angle, has reduced the area that the window cut, has made things convenient for the doctor to use, has improved operation efficiency.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of ultrasonic osteotome bits.
Background technique
In bone surgery, bone is cut commonly using piezosurgery osteotomy, is ground, planes, scraping or any whole
Shape.Ultrasonic osteotome bit currently used for carrying out mill bone is mostly rectangular or round.Fig. 1 shows the circular ultrasound of the prior art
Osteotome cutter head, including blade 3 ', knife bar 1 ' and circular cutter head grinding part 2 '.The ultrasonic osteotome bit rubs in side tooth punching increase
Area and resistance are wiped, and then improves cutting efficiency.
There are the following problems in the application of spinal surgery for this ultrasonic osteotome bit: the bone face ground is smooth rectangular
Either circular, the bone amount for needing to abrade in the operation for carrying out fluting mill bone is big, and operative speed is slower；Specific
Operation, when grinding door-hinge side, due to its shape, makes the bone face ground can not in closure as in the operation of cervical vertebra single open-door
It is in close contact, increases the healing time of patient, and easily occur some other complication in the cavity of formation.
Utility model content
The purpose of the utility model is to provide a kind of ultrasonic osteotome bit, the ultrasonic osteotome bit include knife bar, blade and
Positioned at the cutter head grinding part of the ultrasonic osteotome bit front end, the shape of the cutter head grinding part is trigone centrum, the trigone
The bottom surface of centrum is the rear end of the cutter head grinding part, and the center point with the trigone centrum of the bottom surface face is the knife
The front end of head grinding part, one end of the knife bar is connected with the rear end of the cutter head grinding part, the other end of the knife bar and
The blade is connected, and the two of them side in three side conical surfaces of the trigone centrum is respectively as the first grinding surface and
Two grinding surfaces.The ultrasonic osteotome bit can be completed normally to grind bone operation simultaneously as its front end area is small, thus abrades
Speed is fast, and rear end is big, and a good visual field can be provided to doctor, meanwhile, it is designed, is made using unique full v-shaped structure
The V-shaped groove that doctor can be such that the door-hinge side seam slot ground is adequately closed in any work angle is obtained, window incision is reduced
Area facilitates doctor's use, improves procedure efficiency.
In the ultrasonic osteotome bit of the utility model, preferably, first grinding surface and second grinding surface it
Between form grinding sword, in first grinding surface, from any two o'clock on the grinding sword to opposite with the grinding sword first
The distance on bottom surface vertex is roughly equal, in second grinding surface, from any two o'clock on the grinding sword to the grinding sword
The distance on the second opposite bottom surface vertex is roughly equal.
In the ultrasonic osteotome bit of the utility model, preferably, described any point being ground on sword to described first
The distance on bottom surface vertex with to roughly equal at a distance from the vertex of second bottom surface.
In the ultrasonic osteotome bit of the utility model, preferably, the front of the grinding sword be smooth plane or to
Outer slightly convex curved surface, first grinding surface and/or second grinding surface are outwardly projecting arcwall face, described first
It is smooth arc transition between grinding surface and second grinding surface.
In the ultrasonic osteotome bit of the utility model, preferably, in first grinding surface and second grinding surface
Offer a plurality of slot grinding, file shape tooth or annular knurl tooth.
In the ultrasonic osteotome bit of the utility model, preferably, the slot grinding has certain width, in the slot grinding
Edge on be provided with reversed thin sword.
In the ultrasonic osteotome bit of the utility model, preferably, the ultrasonic osteotome bit further includes that hollow fluid injection is logical
Road, the hollow reservoir channel are through to the cutter head along the centerline direction of the knife bar from the other end of the knife bar
Grinding part, is equipped in the cutter head grinding part along the axis for being approximately perpendicular to the knife bar and the lateral drain of lateral direction penetrating is logical
Road, the transverse direction liquid-conveying ducts are connected with the hollow reservoir channel, and the transverse direction liquid-conveying ducts are in first grinding surface
It is formed and is open with first grinding surface.
In the ultrasonic osteotome bit of the utility model, preferably, the center line of the knife bar is along the one of the knife bar
The curve of lateral bending folding.
In the ultrasonic osteotome bit of the utility model, preferably, the center line of the blade is along the one of the blade
The curve of lateral bending folding.
In the ultrasonic osteotome bit of the utility model, preferably, the junction of the knife bar and the blade is from institute
Blade is stated to the diminishing conical surface of the knife bar.
Through the above technical solutions, the utility model is by being designed as three pyramids for the cutter head grinding part of ultrasonic osteotome bit
Body, so that ultrasonic osteotome bit can be completed normally to grind bone operation simultaneously as its front end area is small, thus abrades speed
Fastly.In addition, since front end is small and rear end is big, so as to give doctor to provide a good visual field.Meanwhile using unique complete
V-shaped structure design, enables the surgeon to the V-shaped groove for being closed the door-hinge side seam slot ground adequately in any work angle, subtracts
The area that small window is cut facilitates doctor's use, improves procedure efficiency.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the perspective view of ultrasonic osteotome bit in the prior art；
Fig. 2 is the perspective view of the ultrasonic osteotome bit of the utility model first embodiment；
Fig. 3 is the side view of the ultrasonic osteotome bit of the utility model first embodiment；
Fig. 4 is the top view of the ultrasonic osteotome bit of the utility model first embodiment；
Fig. 5 is the front view of the ultrasonic osteotome bit of the utility model first embodiment；
Fig. 6 is the side view of the ultrasonic osteotome bit of the utility model second embodiment；
Fig. 7 is the bottom view of the ultrasonic osteotome bit of the utility model second embodiment；
Fig. 8 is the front view of the ultrasonic osteotome bit of the utility model second embodiment；
Fig. 9 is the perspective view of the ultrasonic osteotome bit of the utility model third embodiment；
Figure 10 is the side view of the ultrasonic osteotome bit of the utility model third embodiment；
Figure 11 is the top view of the ultrasonic osteotome bit of the utility model third embodiment；
Figure 12 is the bottom view of the ultrasonic osteotome bit of the utility model third embodiment；
Figure 13 is the perspective view of the ultrasonic osteotome bit of the 4th embodiment of the utility model；
Figure 14 is the perspective view of the ultrasonic osteotome bit of the 5th embodiment of the utility model；
Figure 15 is in single open-door operation using the operating result schematic diagram of the ultrasonic osteotome bit of the prior art.
Figure 16 is in single open-door operation using the operating result schematic diagram of the ultrasonic osteotome bit of the utility model.
Appended drawing reference:
1 ', 1~knife bar；2 ', 2~cutter head grinding part；3 ', 3~blade；10~hollow fluid injection；20~transverse direction liquid-conveying ducts；
The grinding surface of 21A~first；The grinding surface of 21B~second；22~slot grinding；23~file shape tooth；24~grinding sword；The bottom surface 211A~first
Vertex；The bottom surface 211B~second vertex.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, practical new below in conjunction with this
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it should be understood that
Specific embodiment described herein only to explain the utility model, is not used to limit the utility model.Described reality
Applying example is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention,
All other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this reality
With novel protected range.
In the description of the present invention, it should be noted that term "top", "bottom", "front", "rear", " transverse direction ", " axis
To " etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of describing this reality
It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.
In addition, in the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Fig. 2 to Figure 14 shows the ultrasonic osteotome bit of the utility model.As shown, the piezosurgery osteotomy of the utility model
Cutter head includes knife bar 1, blade 3 and the cutter head grinding part 2 positioned at ultrasonic osteotome bit front end, and the shape of cutter head grinding part 2 is three
Pyramid body, the bottom surface of trigone centrum are the rear end of cutter head grinding part 2, and the center point with the trigone centrum of bottom surface face is cutter head mill
The front end in portion 2 is cut, one end of knife bar 1 is connected with the rear end of cutter head grinding part 2, and the other end of knife bar 1 is connected with blade 3,
Two of them side in three side conical surfaces of trigone centrum is respectively as the first grinding surface 21A and the second grinding surface 21B, and first
Grinding surface 21A and the second grinding surface 21B is for grinding bone.
The utility model is by being designed as trigone centrum for the cutter head grinding part 2 of ultrasonic osteotome bit, so that piezosurgery osteotomy
Cutter head can be completed normally to grind bone operation simultaneously, because its front end area is small, and make removing speed fast.And because front end
It is small and rear end is big, make it possible to provide a good visual field to doctor.Meanwhile trigone centrum has multiple v-shaped structures, this reality
With novel using unique full v-shaped structure design, enable the surgeon to make the door-hinge side seam slot ground in any work angle
Sufficiently closed V-shaped groove reduces the incision area of window, facilitates doctor's use, improves procedure efficiency.
Wherein, grinding sword 24 is formed between the first grinding surface 21A and the second grinding surface 21B, which can be used for
Cut inferior tissue.On the first grinding surface 21A, from any two o'clock on grinding sword 24 to first bottom surface opposite with grinding sword 24
The distance of vertex 211A is roughly equal, on the second grinding surface 21B, from any two o'clock on grinding sword 24 to opposite with grinding sword 24
The second bottom surface vertex 211B distance it is roughly equal.Design according to the present utility model enables in the course of surgery, nothing
By to be also horizontally oriented operation cutter head vertically, the edge of a knife cut out is all the roughly the same V-arrangement edge of a knife.That is, enabling to
Operator operates grinding part along cutter head cut direction during surgical procedure at any angle can guarantee cutting groove
It is V-arrangement.In addition, it is also possible that any point stress when grinding bone on the grinding sword 24 of the first side grinding surface 21A is big
It causes uniformly, any point stress on the grinding sword 24 of the second side grinding surface 21B is generally uniform.
Preferably, be ground any point on sword 24 to the first bottom surface vertex 211A distance with to the second bottom surface vertex
The distance of 211B is roughly equal.It by this design, enables to when grinding bone, is located at the grinding of the first grinding surface 21A and second
Any point stress on the grinding sword 24 of the face side 21B is generally uniform.Preferably, grinding sword 24 is arc-shaped, in the first grinding
On the 21A of face, which is the first bottom surface vertex 211A；On the second grinding surface 21B, which is the
Two bottom surface vertex 211B.
Wherein, the first grinding surface 21A and the second grinding surface 21B can be plane.That is, the shape of cutter head grinding part 2 is
Normal trigone cone, by four triangle sets at.But the utility model is not limited thereto, and Fig. 2 to Fig. 5 shows practical
The ultrasonic osteotome bit of novel first embodiment, the shape of cutter head grinding part 2 can be improper trigone cone, that is, the
One grinding surface 21A and/or the second grinding surface 21B may be outwardly projecting arcwall face, and thus, it is possible to adapt to different grindings
Situation.
In actual operation, some grinds the soft tissue that bone operation needs to protect lower section, and therefore, the front of grinding sword 24 is smooth
Plane or slightly convex curved surface outward so that the soft tissue of lower section preserves from.More preferably, as shown in figure 5, with
The center point of the trigone centrum of bottom surface face is also configured as smooth flat or curved surface, before further protecting cutter head grinding part 2
The soft tissue of side and lower section, avoids coming to harm.
In the utility model first embodiment, as shown in figure 5, between the first grinding surface 21A and the second grinding surface 21B
For smooth arc transition.So that ultrasonic osteotome bit use is safer, while it can also protect 2 front of cutter head grinding part under
The soft tissue of side, avoids coming to harm.
It, as shown in Figures 2 to 5, can be in the first grinding surface 21A and/or in the utility model first embodiment
A plurality of slot grinding 22 is opened up on two grinding surface 21B.A plurality of slot grinding 22 is arranged in parallel, and slot grinding 22 is and ultrasonic osteotome bit
Central axis translot.But the utility model is not limited thereto, and slot grinding 22 can also be and the ultrasonic osteotome bit
The angled twill slot of center line.
Preferably, slot grinding 22 has certain width, reversed thin sword is provided on the edge of slot grinding 22, in this way convenient for mill
It carries out scraping bone when bone, increases the mill bone efficiency of cutter head grinding part 2.
Fig. 6 to Fig. 8 shows the ultrasonic osteotome bit of the utility model second embodiment.The utility model second is implemented
The difference of the ultrasonic osteotome bit of the ultrasonic osteotome bit and first embodiment of mode is only that, the first grinding surface 21A and/
Or second offer a plurality of file shape tooth 23 on grinding surface 21B.Offer the mill of the first grinding surface 21A and/or second of file shape tooth 23
The haemostatic effect of bevel 21B is more preferable, safer.But the utility model is not limited thereto, can also be in two grinding surfaces 21
On offer knurling structure.
Fig. 9 to Figure 12 shows the ultrasonic osteotome bit of the utility model third embodiment.The utility model third is real
The difference for applying the ultrasonic osteotome bit of mode and the ultrasonic osteotome bit of first embodiment is only that ultrasonic osteotome bit also wraps
Hollow reservoir channel 10 is included, hollow reservoir channel 10 is through to cutter head mill along the centerline direction of knife bar 1 from the other end of knife bar 1
Cut portion 2, cutter head grinding part 2 be equipped with along be approximately perpendicular to knife bar 1 axis and lateral direction penetrating lateral liquid-conveying ducts 20, laterally
Liquid-conveying ducts 20 are connected with hollow reservoir channel 10, and lateral liquid-conveying ducts 20 are in the first grinding surface 21A and the second grinding surface 21B
Form opening.
In the ultrasonic osteotome bit of the utility model third embodiment, make full use of the architectural characteristic of cutter head, by
Axial hollow reservoir channel 10 is set on knife bar 1, and lateral liquid-conveying ducts 20 are set on cutter head grinding part 2, so as to
So that supersonic cooling liquid passes through hollow reservoir channel 10, and flowed out from the opening of lateral liquid-conveying ducts 20, sufficiently flow to cutter head and
It is not broken up by the vibrational excitation of ultrasound.Thus ensure that cutter head grinding part 2 is sufficiently cooled and rinses in use.
In addition, in order to enable ultrasonic osteotome bit has better work angle, in the utility model first embodiment
In, cutter head grinding part 2 can be tilted a certain angle upwards along knife bar 1 or blade 3, to obtain better operating space.
Figure 13 shows the ultrasonic osteotome bit of the 4th embodiment of the utility model.The 4th embodiment of the utility model
Ultrasonic osteotome bit and first embodiment the difference is that, the center line of knife bar 1 is to bend along the side of knife bar 1
Curve.
Figure 14 shows the ultrasonic osteotome bit of the 5th embodiment of the utility model.The 5th embodiment of the utility model
Ultrasonic osteotome bit and the 4th embodiment the difference is that, the center line of blade 3 is to bend along the side of blade 3
Curve.The ultrasonic osteotome bit shown in Figure 14 is also provided with axial hollow reservoir channel 10 and lateral drain on blade 3
Channel 20, and opening is opened up on the circumferential surface of blade 3.In order to farthest guarantee that the liquid stream of supersonic cooling liquid passes through triangular pyramid
The junction of the v-shaped structure arrival bit tip of body, knife bar 1 and blade 3 is from blade 3 to the diminishing conical surface of knife bar 1.
In the ultrasonic osteotome bit of the utility model, one end of blade 3 can be connect by the conical surface with knife bar 1, blade 3
The other end be threaded ends, can be connected through a screw thread and be connect with specific ultrasonic transducer, then ultrasonic transducer is connected
Be connected to specific ultrasonic host, i.e., it is operable.
Figure 15 is shown in single open-door operation using the operating result schematic diagram of the ultrasonic osteotome bit of the prior art.Ginseng
The case where seeing the grinding operation of Figure 15, in the operation of cervical vertebra single open-door, when grinding door-hinge side, since cutter head grinding part is rectangular
Or it is round, thus the bone face ground can not be in close contact in closure, increase the healing time of patient, and in formation
Easily occurs some other complication in cavity.
Figure 16 is shown in single open-door operation using the operating result schematic diagram of the ultrasonic osteotome bit of the utility model.
As shown in figure 16, after being performed the operation using the ultrasonic osteotome bit of the utility model, the bone face ground is more regular, it can be ensured that
The bone face ground close contact in closure, the surface of a wound goodness of fit is high, is conducive to sclerotin healing, reduces the risk of complication appearance,
The postoperative pain of patient is small, restores fast.In addition, by using the ultrasonic osteotome bit of the utility model, so that having less go
Bone amount, while shortening the healing time of patient.
In conclusion the utility model is by being designed as trigone centrum for the cutter head grinding part 2 of ultrasonic osteotome bit, so that
Ultrasonic osteotome bit can be completed normally to grind bone operation simultaneously as its front end area is small, thus it is fast to abrade speed.And
Since front end is small and rear end is big, make it possible to provide a good visual field to doctor.Meanwhile trigone centrum has multiple V-arrangements
Structure, the utility model enable the surgeon to be ground direction along cutter head using unique full v-shaped structure design with any operation angle
Spend ground door-hinge side seam slot be can sufficiently closed V-shaped groove to reduce the area of window incision facilitate doctor
It uses, improves procedure efficiency and safety.In addition, the less recovery time for going bone amount also to shorten patient.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.
Claims (10)
1. a kind of ultrasonic osteotome bit, including knife bar (1), blade (3) and cutter head positioned at the front end of the ultrasonic osteotome bit
Grinding part (2), which is characterized in that
The shape of the cutter head grinding part (2) is trigone centrum, and the bottom surface of the trigone centrum is the cutter head grinding part (2)
Rear end, the center point with the trigone centrum of the bottom surface face are the front end of the cutter head grinding part (2), the knife bar
(1) one end is connected with the rear end of the cutter head grinding part (2), and the other end of the knife bar (1) is connected with the blade (3)
It connects, the two of them side in three side conical surfaces of the trigone centrum is ground respectively as the first grinding surface (21A) and second
Face (21B).
2. ultrasonic osteotome bit according to claim 1, which is characterized in that
Grinding sword (24) is formed between first grinding surface (21A) and second grinding surface (21B), in first grinding
On face (21A), from any two o'clock on grinding sword (24) to the first bottom surface vertex (211A) opposite with the grinding sword (24)
Distance it is roughly equal,
On second grinding surface (21B), from any two o'clock on the grinding sword (24) to opposite with the grinding sword (24)
The distance of second bottom surface vertex (211B) is roughly equal.
3. ultrasonic osteotome bit according to claim 2, which is characterized in that
Any point on grinding sword (24) to first bottom surface vertex (211A) distance with to second bottom surface
The distance on vertex (211B) is roughly equal.
4. ultrasonic osteotome bit according to claim 2, which is characterized in that
The front of grinding sword (24) is smooth plane or curved surface slightly convex outward, first grinding surface (21A)
And/or second grinding surface (21B) is outwardly projecting arcwall face, first grinding surface (21A) and second grinding
It is smooth arc transition between face (21B).
5. ultrasonic osteotome bit according to claim 1, which is characterized in that
A plurality of slot grinding (22), file shape tooth are offered on first grinding surface (21A) and/or second grinding surface (21B)
(23) or annular knurl tooth.
6. ultrasonic osteotome bit according to claim 5, which is characterized in that
The slot grinding (22) has certain width, and the edge of the slot grinding (22) is provided with reversed thin sword.
7. ultrasonic osteotome bit as claimed in any of claims 1 to 6, which is characterized in that
The ultrasonic osteotome bit further includes hollow reservoir channel (10), and the hollow reservoir channel (10) is from the knife bar (1)
The other end be through to the cutter head grinding part (2) along the centerline direction of the knife bar (1), in the cutter head grinding part
(2) be equipped with along be approximately perpendicular to the knife bar (1) axis and lateral direction penetrating lateral liquid-conveying ducts (20), it is described transverse direction drain
Channel (20) is connected with the hollow reservoir channel (10), and the transverse direction liquid-conveying ducts (20) are in first grinding surface
(21A) and second grinding surface (21B) form opening.
8. ultrasonic osteotome bit according to claim 7, which is characterized in that
The center line of the knife bar (1) is the curve bent along the side of the knife bar (1).
9. ultrasonic osteotome bit according to claim 7, which is characterized in that
The center line of the blade (3) is the curve bent along the side of the blade (3).
10. ultrasonic osteotome bit according to claim 1, which is characterized in that
The junction of the knife bar (1) and the blade (3) is from the blade (3) to the knife bar (1) diminishing cone
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721509625.6U CN208942274U (en) | 2017-11-14 | 2017-11-14 | ultrasonic osteotome head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721509625.6U CN208942274U (en) | 2017-11-14 | 2017-11-14 | ultrasonic osteotome head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208942274U true CN208942274U (en) | 2019-06-07 |
Family
ID=66728885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721509625.6U Withdrawn - After Issue CN208942274U (en) | 2017-11-14 | 2017-11-14 | ultrasonic osteotome head |
Country Status (1)
| Country | Link |
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| CN (1) | CN208942274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107744401A (en) * | 2017-11-14 | 2018-03-02 | 北京水木天蓬医疗技术有限公司 | Ultrasonic osteotome head |
-
2017
- 2017-11-14 CN CN201721509625.6U patent/CN208942274U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107744401A (en) * | 2017-11-14 | 2018-03-02 | 北京水木天蓬医疗技术有限公司 | Ultrasonic osteotome head |
| US11779366B2 (en) | 2017-11-14 | 2023-10-10 | Beijing Smtp Technology Co., Ltd. | Ultrasonic osteotome bit |
| CN107744401B (en) * | 2017-11-14 | 2024-05-07 | 北京水木天蓬医疗技术有限公司 | Ultrasonic bone knife head |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190607 Effective date of abandoning: 20240507 |