CN211911730U - Cylindrical osteotome for ultrasonic surgical system - Google Patents
Cylindrical osteotome for ultrasonic surgical system Download PDFInfo
- Publication number
- CN211911730U CN211911730U CN201920627030.3U CN201920627030U CN211911730U CN 211911730 U CN211911730 U CN 211911730U CN 201920627030 U CN201920627030 U CN 201920627030U CN 211911730 U CN211911730 U CN 211911730U
- Authority
- CN
- China
- Prior art keywords
- cylindrical
- osteotome
- bone
- teeth
- blade
- 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.)
- Active
Links
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 63
- 206010006514 bruxism Diseases 0.000 claims abstract description 26
- 238000000227 grinding Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000001356 surgical procedure Methods 0.000 abstract description 6
- 241000561734 Celosia cristata Species 0.000 abstract description 2
- 210000001520 comb Anatomy 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Images
Landscapes
- Surgical Instruments (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a cylindricality bone knife for ultrasonic surgery system, cylindricality bone knife includes: a knife body and a knife head. The blade body is slender; the cutter head sets up the head end of blade, the cutter head is cylindrical, be provided with a plurality of bone grinding teeth on the surface of cutter head, bone grinding teeth structure is the cockscomb structure. According to the utility model discloses a cylindricality bone knife grinds bone effectual, can reduce the fatigue stress of bone knife greatly, prevents to grind bone knife because of stress concentration frequent rupture, prolongs the life of bone knife greatly.
Description
Technical Field
The utility model belongs to the technical field of medical instrument and specifically relates to a cylindricality bone knife that grinds for ultrasonic surgery system is related to.
Background
With the rapid development of modern medicine, the ultrasonic surgical instrument is increasingly applied to the treatment of clinical surgical operation, the ultrasonic surgical instrument applies ultrasonic energy to the surgical operation, has the characteristics of fine cutting, safety, tissue selectivity, low-temperature hemostasis and the like, greatly enriches the means of the surgical operation, improves the quality of the surgical operation, and relieves the pain of patients to a certain extent. However, the traditional ultrasonic bone knife has few types and cannot meet the requirements of operations.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a cylindricality grinds bone knife for ultrasonic surgery system, cylindricality grinds bone knife, grinds bone effectual, can reduce the fatigue stress that grinds bone knife greatly, prevents to grind bone knife because of stress concentration frequent rupture, prolongs the life who grinds bone knife greatly.
According to the utility model discloses a cylindricality bone knife for ultrasonic surgery system, include: a knife body and a knife head. The blade body is slender; the cutter head sets up the head end of blade, the cutter head is cylindrical, be provided with a plurality of bone grinding teeth on the surface of cutter head, bone grinding teeth structure is the cockscomb structure.
Further, the bone grinding teeth are arranged on the outer peripheral surface of the cutter head in a plurality of circles and are spaced in the axial direction.
Furthermore, each circle of bone grinding teeth comprises a plurality of bone grinding teeth which are sequentially arranged in the circumferential direction, and the included angle between every two circumferentially adjacent bone grinding teeth is 80-120 degrees.
Further, the longitudinal section of each bone grinding tooth is constructed into an isosceles triangle, the vertex angle of the isosceles triangle is 55-65 degrees, the cross section of each bone grinding tooth is constructed into an oblique triangle, and the vertex angle of the oblique triangle is 25-30 degrees.
Further, each of the burr teeth has a tip that is inclined toward the head end of the cutter head.
Further, the tooth tops of two adjacent circles of the bone grinding teeth are axially spaced by 0.6-0.8 mm, and the included angle between the tooth roots of two adjacent circles of the bone grinding teeth is 25-30 degrees.
Further, the free end face of the cutter head is configured to be an arc surface, and the curvature radius of the arc surface is 13mm-15 mm.
Furthermore, a blind hole is further formed in the end face of the free end of the cutter head, and the diameter of the blind hole is 0.8mm-1.2 mm.
Furthermore, the outer peripheral surface of the knife body is sleeved with a plurality of rubber rings, and the plurality of rubber rings are distributed along the axial direction of the knife body at intervals.
Further, the axial dimension of the cutter head is 5mm-6 mm.
According to the utility model discloses a cylindricality bone knife for ultrasonic operation system grinds bone effectual, can reduce the fatigue stress of bone knife greatly, prevents to grind bone knife because of stress concentration frequent rupture, prolongs the life of bone knife greatly.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a front view of a cylindrical osteotome for use in an ultrasonic surgical system in accordance with an embodiment of the present invention;
FIG. 2 is a right side view of a cylindrical osteotome for use in an ultrasonic surgical system in accordance with an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a tool bit according to an embodiment of the present invention;
fig. 4 is a right side view of a cutter head according to an embodiment of the present invention.
Reference numerals:
100-cylindrical osteotome, 1-scalpel body, 11-end face, 12-step part, 13-flat part, 14-tool withdrawal groove, 15-connecting part, 2-tool bit, 21-osteotomy tooth, 22-tooth tip, 23-tooth root, 24-blind hole and 3-rubber ring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
A cylindrical osteotome 100 for an ultrasonic surgical system in accordance with an embodiment of the present invention is described below with reference to fig. 1-4. As shown in fig. 1, a cylindrical osteotome 100 according to an embodiment of the present invention may include: a knife body 1 and a knife head 2. Specifically, the blade body 1 is integrally formed with the tool bit 2, thereby greatly simplifying the manufacturing process. The knife body 1 is slender; the cutter head 2 is arranged at the head end of the cutter body 1, the cutter head 2 is cylindrical, a plurality of bone grinding teeth 21 are arranged on the outer surface of the cutter head 2, and the bone grinding teeth 21 are serrated. Thus, the contact area of the cutter head 2 and the focus is enlarged, and the bone grinding effect of the cylindrical bone grinding cutter 100 is enhanced. In the description of the present invention, "a plurality" means two or more.
According to the utility model discloses a cylindricality bone knife 100 for ultrasonic surgery system grinds bone effectually, can reduce the fatigue stress of cylindricality bone knife 100 greatly, prevents that cylindricality bone knife 100 from frequently breaking because of stress concentration, prolongs the life of cylindricality bone knife 100 greatly.
Further, as shown in fig. 3 and 4, the burr teeth 21 are formed in a plurality of turns, and the plurality of turns of burr teeth 21 are provided on the outer circumferential surface of the cutter head 2 while being spaced apart in the axial direction. Thus, the stress of the cutter head 2 can be made uniform, and the fatigue stress of the cylindrical osteotome 100 can be greatly reduced. Further, each circle of bone grinding teeth 21 comprises a plurality of bone grinding teeth 21 which are sequentially arranged in the circumferential direction, and the included angle between two bone grinding teeth 21 which are adjacent in the circumferential direction is between 80 and 120 degrees. For example, in the conventional embodiment, the angle between two adjacent bone grinding teeth 21 in the circumferential direction may be 95 °. Therefore, through the design of the bone grinding teeth 21, the full contact between the cutter head 2 and the focus is facilitated, the bone grinding effect is greatly improved, and the operation time is shortened. In the description of the present invention, "a plurality" means two or more.
According to the cylindrical burr 100 of the present invention, as shown in fig. 4, the longitudinal section of each burr tooth 21 is configured as an isosceles triangle having a vertex angle of 55 to 65 °, for example, in the conventional embodiment, the vertex angle of the isosceles triangle may be 59 °. The cross section of each bone grinding tooth 21 is in the shape of an oblique triangle, and the vertex angle of the oblique triangle is 25-30 degrees. For example, in a prior embodiment, the apex angle of the diagonal triangle may be 28 °. Further, each of the molar teeth 21 has a tooth tip 22, and the tooth tip 22 is inclined toward the head end of the cutter head 2. Through the centrosymmetric design of the tool bit 2, the tool bit 2 can be stressed uniformly, and the fatigue stress of the cylindrical osteotome 100 is greatly reduced.
Further, the distance between the tooth tips 22 of two adjacent circles of the grating teeth 21 in the axial direction is 0.6mm to 0.8mm, for example, in the prior art, the distance between the tooth tips 22 of two adjacent circles of the grating teeth 21 in the axial direction may be 0.7 mm. Further, the included angle between the tooth root 23 of two adjacent circles of the bone grinding teeth 21 is 25-30 degrees. For example, in the prior art, the included angle between the tooth root 23 of two adjacent circles of the grinding teeth 21 can be 28 degrees, and the free end surface of the cutter head 2 is configured as a circular arc surface, and the curvature radius of the circular arc surface is 13mm-15 mm. For example, in one embodiment, the radius of curvature of the arcuate surface may be 15 mm. Further, the axial dimension of the cutting head 2 is 5mm-6 mm. For example, in a prior embodiment, the axial dimension of the cutting head 2 may be 5.92 mm.
Further, as shown in fig. 3, a blind hole 24 is further formed in the end face of the free end of the tool bit 2, and the diameter of the blind hole 24 is 0.8mm to 1.2 mm. For example, in a prior embodiment, the blind hole 24 may be 1mm in diameter. Further, the outer peripheral surface of blade 1 is overlapped and is equipped with a plurality of rubber rings 3, and a plurality of rubber rings 3 are along the axial interval distribution of blade 1. Thus, the friction force of the knife body 1 can be enhanced, and the medical staff can operate the cylindrical osteotome 100 more conveniently.
Further, as shown in fig. 1, in an embodiment of the present invention, the rear portion of the blade body 1 may be provided with an end surface 11, a stepped portion 12, and a flat portion 13. Specifically, the step portion 12 may include a plurality of stepped shafts, and the end surface 11 of the step portion 12 connected to the blade body 1 may be provided with a certain curvature. The embodiment of the utility model provides an in, step 12 has further reduced the stress concentration of blade 1, can make the fatigue stress evenly distributed of cylindricality bone knife 100 open, has avoided causing the cracked phenomenon of cylindricality bone knife 100 because of fatigue stress's concentration, has further improved the life of cylindricality bone knife 100 from this. In the description of the present invention, "a plurality" means two or more. Further, the flat portion 13 has an external hexagonal shape and can be obtained by milling, and the flat portion 13 facilitates the medical staff to mount the knife on the ultrasonic handle (not shown in the figure), thereby facilitating the mounting of the cylindrical osteotome 100. In one embodiment of the present invention, the length of the flat portion 13 in the horizontal direction may be 3 mm. Further, the connecting portion 15 is used for connecting the cylindrical osteotome 100 to the ultrasonic handle, and in one embodiment, the connecting portion 15 may be an external thread structure having a diameter of substantially 5mm, which is simple and reliable. When the cylindrical osteotome 100 is to be mounted or dismounted, an operator only needs to screw the flat part 13 at the tail end of the scalpel body 1 by a wrench, so that the screw-in or screw-out of the screw thread part is driven, and the mounting of the cylindrical osteotome 100 can be easily completed. Of course, the connection mode of the cylindrical osteotome 100 and the ultrasonic handle is not limited to the screw connection, and may be riveting or clamping fixation.
Further, the method is carried out. The front end surface of the connecting portion 15 may be provided with an annular relief groove 14, and the relief groove 14 is connected by the flat portion 13 and the stepped portion 12. Specifically, the radial dimension of the relief groove 18 may be 1mm, and the diameter of the relief groove 18 may be 4 mm. Thus, the medical staff is facilitated to firmly fix the cutter on the ultrasonic handle, and the cylindrical osteotome 100 is conveniently and quickly disassembled.
In an embodiment of the present invention, the tool bit 2 may be made of titanium alloy, so that the tool bit 2 has high strength and light weight, thereby facilitating the reduction of the weight of the entire cylindrical osteotome 100.
In conclusion, according to the utility model discloses a cylindricality grinds bone knife 100 for ultrasonic surgery system grinds bone effectually, can reduce the fatigue stress of cylindricality and grind bone knife 100 greatly, prevents that cylindricality from grinding bone knife 100 and frequently breaking because of stress concentration, prolongs the life of cylindricality and grinds bone knife 100 greatly.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A cylindrical osteotome for an ultrasonic surgical system, comprising:
a blade body, the blade body being elongate;
the bone grinding cutter comprises a cutter head, wherein the cutter head is arranged at the head end of the cutter body and is cylindrical, a plurality of bone grinding teeth are arranged on the outer surface of the cutter head, the bone grinding teeth are serrated, the longitudinal section of each bone grinding tooth is isosceles triangle, the vertex angle of the isosceles triangle is 55-65 degrees, the cross section of each bone grinding tooth is oblique triangle, and the vertex angle of the oblique triangle is 25-30 degrees.
2. The cylindrical osteotome defined in claim 1 wherein said osteotome teeth are a plurality of turns, said plurality of turns being disposed on said blade head peripheral surface and spaced apart in an axial direction.
3. The cylindrical osteotome defined in claim 2 wherein each said circle of said osteotome teeth includes a plurality of osteotome teeth circumferentially disposed one after the other, and wherein circumferentially adjacent ones of said osteotome teeth define an included angle of between 80 ° and 120 °.
4. The cylindrical osteotome defined in claim 2 wherein each of said osteotomy teeth has a tip, said tip being angled toward said head end of said blade.
5. The cylindrical osteotome defined in claim 4 wherein said tips of adjacent circles of said osteotomy teeth are axially spaced apart by a distance of between 0.6mm and 0.8mm and wherein said root of said osteotomy teeth of adjacent circles are angularly spaced apart by an angle of between 25 ° and 30 °.
6. The cylindrical osteotome defined in claim 1 wherein said free end surface of said blade is configured as a circular arc having a radius of curvature of between about 13mm and about 15 mm.
7. The cylindrical osteotome defined in claim 6 wherein said blade has a blind opening in a distal end surface thereof, said blind opening having a diameter of 0.8mm to 1.2 mm.
8. The cylindrical osteotome defined in claim 1 wherein said blade body has a plurality of rubber rings disposed around an outer peripheral surface thereof, said plurality of rubber rings being spaced apart from one another in an axial direction of said blade body.
9. The cylindrical osteotome defined in claim 1 wherein said blade has an axial dimension of between 5mm and 6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627030.3U CN211911730U (en) | 2019-04-30 | 2019-04-30 | Cylindrical osteotome for ultrasonic surgical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627030.3U CN211911730U (en) | 2019-04-30 | 2019-04-30 | Cylindrical osteotome for ultrasonic surgical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211911730U true CN211911730U (en) | 2020-11-13 |
Family
ID=73318100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920627030.3U Active CN211911730U (en) | 2019-04-30 | 2019-04-30 | Cylindrical osteotome for ultrasonic surgical system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211911730U (en) |
-
2019
- 2019-04-30 CN CN201920627030.3U patent/CN211911730U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2733396C (en) | Bone fixation system with curved profile threads | |
| WO2017211210A1 (en) | Ultrasound bone cutting tool | |
| US20190110799A1 (en) | Tool bit for an ultrasonic osteotome | |
| AU2020201624A1 (en) | Cartilage removal tool and method | |
| CN211911730U (en) | Cylindrical osteotome for ultrasonic surgical system | |
| US10660680B2 (en) | Bone treating device, bone treating screw and bone treating plate | |
| US20080103500A1 (en) | Instruments and Methods For Smoothing A Portion of A Spinal Rod | |
| CN210249989U (en) | Conical bone knife for ultrasonic surgical system | |
| CN210249990U (en) | Spherical osteotome for ultrasonic surgical system | |
| US20170265964A1 (en) | Non-circular endodontic instruments | |
| CN211156076U (en) | Bone knife for ultrasonic surgical system | |
| CN210727830U (en) | Bone knife for ultrasonic surgical system | |
| CN215384376U (en) | Medical pendulum bistrique and medical grinding cutter | |
| CN210727829U (en) | Bone scraper for ultrasonic surgical system | |
| KR100475269B1 (en) | Bone screw for medical care | |
| CN209499831U (en) | For ultrasonic surgical systems without serrated knife | |
| CN203988319U (en) | A kind of pawl type rib plate with screw hole | |
| CN111467059A (en) | Accurate tooth cutting lathe needle | |
| CN211300198U (en) | Forceps for tumor surgery | |
| CN105596065A (en) | Protective bone needle | |
| CN210249988U (en) | Minimally invasive osteotome for ultrasonic surgical systems | |
| CN219147756U (en) | Detachable reamer | |
| CN220141790U (en) | Elastic intramedullary needle breaker | |
| CN211796667U (en) | Surgical suturing device | |
| CN209499832U (en) | Bone cutter for ultrasonic surgical systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100084 Room 601, block B, science and technology building, Tsinghua Science and Technology Park, Haidian District, Beijing Patentee after: Beijing Sumai Medical Technology Co.,Ltd. Country or region after: China Address before: 100084 Room 601, block B, science and technology building, Tsinghua Science and Technology Park, Haidian District, Beijing Patentee before: BEIJING SONICMED TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |