CN102988123A - Vertically fixed substitute prosthesis for occlusalf surface - Google Patents
Vertically fixed substitute prosthesis for occlusalf surface Download PDFInfo
- Publication number
- CN102988123A CN102988123A CN2012105444550A CN201210544455A CN102988123A CN 102988123 A CN102988123 A CN 102988123A CN 2012105444550 A CN2012105444550 A CN 2012105444550A CN 201210544455 A CN201210544455 A CN 201210544455A CN 102988123 A CN102988123 A CN 102988123A
- Authority
- CN
- China
- Prior art keywords
- prosthese
- substitute
- bone
- jaw face
- vertically fixing
- 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.)
- Granted
Links
- 210000000988 bone and bone Anatomy 0.000 claims description 85
- 230000001054 cortical effect Effects 0.000 claims description 9
- 230000000295 complement effect Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 208000006735 Periostitis Diseases 0.000 abstract description 3
- 210000003460 periosteum Anatomy 0.000 abstract description 3
- 210000004872 soft tissue Anatomy 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000004606 Fillers/Extenders Substances 0.000 abstract 3
- 239000011148 porous material Substances 0.000 abstract 2
- 206010068975 Bone atrophy Diseases 0.000 abstract 1
- 238000005336 cracking Methods 0.000 abstract 1
- 210000001847 jaw Anatomy 0.000 description 11
- 230000002980 postoperative effect Effects 0.000 description 5
- 206010003694 Atrophy Diseases 0.000 description 4
- 230000037444 atrophy Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 241000973495 Odax pullus Species 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 210000004373 mandible Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a structure design of a vertically fixed substitute prosthesis for an occlusalf surface. Screw pores for vertically fixing the substitute prosthesis are formed on the section of the prosthesis, and matched with drill bushings and screws, the drill bushings and the screw pores are in clearance fit, and the drill bushings and the screws are in clearance fit. The traditional extender fixing technology is changed by the vertically fixed prosthesis, so that the periosteum and soft tissues are prevented from being peeled in a large area in the fixing process, and the possibility of prosthesis cracking is reduced. More importantly, the vertical fixing method does not change the main stress mode of lower jawbone of a patient, and the stress shielding effect of the extender on the lower jawbone covered by the extender in the transverse fixation can be avoided, and post-operation bone atrophy can be effectively prevented.
Description
Technical field
The invention belongs to substitute prosthese technical field, relate to a kind of vertically structural design of fixing substitute prosthese of jaw face.
Background technology
The shape individual variation of human lower jawbone is larger, and for the damaged bulk bone lacks that causes of wound, tumor and congenital bone, basic method is by the Operation artificial substituent.Because the shape of traditional artificial implant and the appearance difference of green bone are very large, have a strong impact on the aesthetic measure of patient's face, bring great pain on the body and mind to the patient, therefore the design of substitute prosthese causes more and more that with manufacturing the major issue that people's attention, substitute prosthese face in actual applications is fixation problem.
The traditional fixing means of substitute prosthese mainly is to rely on the applying of extension board and people's bone outer surface to realize determining of mutual alignment, and by the screw on the extension board substitute prosthese and the mandibular bone broken ends of fractured bone is fixed together reliably.In order to make substitute prosthese and the accurate positioning of the mandibular bone broken ends of fractured bone, fixing reliable, usually extension board can be designed to such an extent that area is larger, to increase the contact area of location-plate and mandibular bone broken ends of fractured bone outer surface, increase the quantity of hold-down screw.But the extension board connecting portion easily produces stress concentration, causes the junction fracture; Extension board has laterally fixedly changed the main force way of mandibular bone, and making its stressed character is shear stress by initial tension and compression transformation for stress; The stress shielding effect of extension board makes the mandibular bone zone of its covering can not get due mechanical stimulation, causes the atrophy of coupling part mandibular bone.
Summary of the invention
The problem that the present invention solves is to provide a kind of substitute prosthese of vertically fixing of jaw face, has avoided the probability of substitute prosthese extension board junction fracture, effectively prevents the atrophy of postoperative mandibular bone coupling part.
The present invention is achieved through the following technical solutions:
A kind of vertically fixing substitute prosthese of jaw face, the section of substitute prosthese are provided with the vertically fixing nail hole of usefulness of substitute prosthese, and the nail hole is equipped with drill bushing and drill bit, and drill bushing forms matched in clearance with the nail hole, drill bushing and drill bit formation matched in clearance.
Described nail hole is provided with angle of eccentricity, and its biased direction should not deflect away from the cortical bone outside or partially enter in the mandibular bone pipe, thereby guarantees that fixing rear screw does not penetrate cortical bone.
The standing part section of described substitute prosthese and the osteotomy surface of the mandibular bone broken ends of fractured bone are complementary, and cheek side connecting portion has the mandibular bone outline that seamlessly transits.
Described nail bore dia is 1～3mm, and the nail hole length is 3～20mm, and the nail bore dia is than the large 0～0.2mm of drill bushing external diameter, and the drill bushing internal diameter is than the large 0～0.2mm of bit diameter, and bit diameter equals the screw path.
The described substitute prosthese outside is provided with the auxiliary flange that is connected and locates with mandibular bone broken ends of fractured bone contact site.
Described flange extension elongation be 1～10mm, the thickness of flange is 0.5～3mm.
The cross sectional shape of described substitute prosthese is solid section or U-shaped slot cross-section.
The solid section of described substitute prosthese is provided with the positioning boss that is complementary with the mandibular bone pipe, and the positioning boss height is 3～10mm, and drafting angle is 5 °～30 °.
The thickness of described U-shaped groove substitute prosthese is 0.5～3mm.
Compared with prior art, the present invention has following useful technique effect:
The substitute prosthese of vertically fixing of jaw face provided by the invention laterally fixedly changes extension board into vertical fixing, and has avoided substitute prosthese extension board junction stress to concentrate and the probability of fracture.
Further, the substitute prosthese of vertically fixing of jaw face provided by the invention, guide function when utilizing the nail hole that arranges on the prosthese and drill bushing to be implemented in the mandibular bone longitudinal drilling guarantees that screw hammers into cortical bone and do not deflect away from later on the mandibular bone surface or partially enter the mandibular bone pulp cavity.
The substitute prosthese of vertically fixing of jaw face provided by the invention adopts the method for mandibular bone tongue side surface location, has avoided extension board and horizontal hold-down screw on the impact of postoperative mandibular bone cheek sidelight slippery, has guaranteed the attractive in appearance of postoperative patient face.
The substitute prosthese of vertically fixing of jaw face provided by the invention is designed with flange at substitute prosthese section, auxiliary positioning when being used for connecting mandibular bone and prosthese section.
The substitute prosthese of vertically fixing of jaw face provided by the invention, avoided in the horizontal fixation procedure large tracts of land of periosteum and soft tissue to peel off, and do not change the main force way of coupling part mandibular bone, avoided that extension board effectively prevents the atrophy of postoperative mandibular bone to the stress shielding effect of the mandibular bone of its overlay area in the horizontal fixing means.
Description of drawings
Fig. 1-1～1-2 is the structural representation that substitute prosthese and the mandibular bone broken ends of fractured bone are vertically fixed;
Fig. 2-1～2-2 is that substitute prosthese tongue side locating flange and standing part are reserved the position in nail hole and the structural representation of angle of eccentricity thereof;
Fig. 3 is drill bushing scheme of installation in the substitute prosthese fixation procedure;
Fig. 4 is drill bushing and prosthese assembling partial sectional view in the substitute prosthese fixation procedure.
Wherein, 1 is bone stump; 2 is the substitute prosthese, and 3 is drill bit, and 4 is drill bushing.
The specific embodiment
The present invention is described in further detail below in conjunction with specific embodiment, and the explanation of the invention is not limited.
Referring to Fig. 1-1～1-2, a kind of vertically fixing substitute prosthese of jaw face, the section of substitute prosthese are provided with the vertically fixing nail hole of usefulness of substitute prosthese, and the nail hole is equipped with drill bushing and drill bit, drill bushing forms matched in clearance with the nail hole, and drill bushing and drill bit form matched in clearance.
So just can screw be penetrated the mandibular bone section hammer into cortical bone by the nail hole of reserving on prosthese section and the outer surface, finish the vertically fixing of prosthese and the mandibular bone broken ends of fractured bone.
Wherein Fig. 1-1 is the entity structure prosthese, and Fig. 1-2 is U-shaped groove structure prosthese.The nail hole number of reserving on the substitute prosthese is more, and the angle of being partial to inboard spongy bone is less, and it is more that the titanium nail penetrates mandibular bone broken ends of fractured bone cortical bone, and is fixing more firm.But too much reservation nail hole can reduce the intensity of substitute prosthese connecting portion, and too small angle of eccentricity will increase the difficulty of doctor's drilling operation in the clinical operation, even can't hole.Therefore should under the prerequisite that guarantees fixing-stable, reduce the quantity of reserving the nail hole as far as possible, increase angle of eccentricity.
Concrete, it is solid section or U-shaped slot cross-section that the substitute prosthetic designs becomes cross sectional shape, wherein also be provided with the positioning boss (referring to Fig. 1-1) that is complementary with the mandibular bone pipe on the solid section of substitute prosthese, the high 3～10mm of positioning boss, drafting angle are 5 °～30 °; The thickness of U-shaped groove prosthese should be between 0.5～3mm (referring to Fig. 1-2), and the osteotomy surface of the section of substitute prosthese and the mandibular bone broken ends of fractured bone is complementary, and cheek side connecting portion has the mandibular bone outline that seamlessly transits.
Reserve the nail hole of diameter 1～3mm at substitute prosthese outer contour surface, the nail hole is by personalized design, guarantees that its direction does not deflect away from the cortical bone outside or partially enters in the mandibular bone pipe, guarantees that the screw after fixing does not deflect away from cortical bone.Concrete, the nail hole length is at 3～20mm, and the nail hole is equipped with drill bushing and drill bit, drill bushing forms matched in clearance with the nail hole, and the nail bore dia is than the large 0～0.2mm of drill bushing external diameter, and drill bushing and drill bit form matched in clearance, through than the large 0～0.2mm of bit diameter, bit diameter equals the screw path in the drill bushing.
Further, substitute prosthese tongue side and mandibular bone broken ends of fractured bone contact site are designed with flange, are used for auxiliary the connection and the location, and the extension elongation of flange is at 1～10mm, and flange wraps up mandibular bone tongue side surface, and the thickness of tongue side flange is 0.5～3mm.
When the substitute prosthese uses, substitute prosthese and the mandibular bone broken ends of fractured bone are drawn close, locate according to flange inner face and mandibular bone broken ends of fractured bone outer surface, utilize nail hole and the drill bushing reserved to lay the titanium nail, finish the fixing of substitute prosthese and the mandibular bone broken ends of fractured bone.
Referring to Fig. 2-1～2-2, wherein, Fig. 2-1 is the entity structure prosthese, and Fig. 2-2 is U-shaped groove structure prosthese.Application to the mathematical property of side data or Lateral Inferior Arc Curve of Mandible to bone damaged or lopsided case carry out the structural design of substitute prosthese, prosthese can be designed to entity structure or U-shaped groove structure, its cross sectional shape is the shape that is complementary with the mandibular bone broken ends of fractured bone, reserve the nail hole at its fixed position, be designed with auxiliary the connection and the flange of location usefulness in its tongue side, the solid section prosthese also can be on its transverse section the Design Orientation boss.
Finish the mandibular bone sagittal osteotomy according to predefined osteotomy site in the operation, then fitted in substitute prosthese sagittal cross section and mandibular bone broken ends of fractured bone osteotomy surface, with substitute prosthese tongue side flange inner surface applying mandibular bone broken ends of fractured bone tongue side external surface, to finish the space orientation of substitute prosthese.
When using the substitute prosthese of solid section, can also utilize the positioning boss embedding mandibular bone pipe inside on the prosthese transverse section further to locate, the height that is used for the positioning boss in the embedding mandibular bone pipe is 3～10mm, drafting angle is 5 °～30 °, selects as the case may be design parameter.
After finish the location, the drill bushing of design is put into the nail hole that prosthese is reserved,, then drill bushing is taken off in the punching of the mandibular bone broken ends of fractured bone with drill bit, manually be screwed into the fixedly screw of usefulness, finish the vertically fixing of prosthese and stump skeleton.
Concrete, Fig. 3 is drill bushing scheme of installation in the substitute prosthese fixation procedure, Fig. 4 is drill bushing and prosthese assembling partial sectional view in the substitute prosthese fixation procedure, wherein drill bushing forms matched in clearance with the nail hole, the nail bore dia is than the large 0～0.2mm of drill bushing external diameter, drill bushing and drill bit form matched in clearance, and the drill bushing internal diameter is than the large 0～0.2mm of bit diameter, and bit diameter equals the screw path.
The substitute prosthese of vertically fixing of the above-mentioned jaw face that provides, avoided in the horizontal fixation procedure large tracts of land of periosteum and soft tissue to peel off, and do not change the main force way of coupling part mandibular bone, avoided that extension board effectively prevents the atrophy of postoperative mandibular bone to the stress shielding effect of the mandibular bone of its overlay area in the horizontal fixing means.
Claims (10)
1. the vertically fixing substitute prosthese of a jaw face, it is characterized in that the section of substitute prosthese is provided with the vertically fixing nail hole of usefulness of substitute prosthese, the nail hole is equipped with drill bushing and drill bit, drill bushing forms matched in clearance with the nail hole, and drill bushing and drill bit form matched in clearance.
2. vertical substitute prosthese of fixing of jaw face as claimed in claim 1 is characterized in that, the nail hole is provided with angle of eccentricity, and its biased direction does not penetrate cortical bone for not deflecting away from the cortical bone outside or partially entering in the mandibular bone pipe thereby guarantee to fix rear screw.
3. the substitute prosthese of vertically fixing of jaw face as claimed in claim 1 is characterized in that the osteotomy surface of the section of substitute prosthese and the mandibular bone broken ends of fractured bone is complementary, and cheek side connecting portion has the mandibular bone outline that seamlessly transits.
4. the substitute prosthese of vertically fixing of jaw face as claimed in claim 3 is characterized in that the osteotomy surface of the section of the standing part of described substitute prosthese and the mandibular bone broken ends of fractured bone is complementary.
5. the vertically fixing substitute prosthese of jaw face as claimed in claim 1, it is characterized in that, described nail bore dia is 1～3mm, the nail hole length is 3～20mm, the nail bore dia is than the large 0～0.2mm of drill bushing external diameter, the drill bushing internal diameter is than the large 0～0.2mm of bit diameter, and bit diameter equals the fixedly path of the screw of usefulness.
6. the substitute prosthese of vertically fixing of jaw face as claimed in claim 1 is characterized in that, the substitute prosthese outside is provided with the auxiliary flange that is connected and locates with mandibular bone broken ends of fractured bone contact site.
7. the substitute prosthese of vertically fixing of jaw face as claimed in claim 6 is characterized in that the extension elongation of described flange is 1～10mm, and the thickness of flange is 0.5～3mm.
8. the substitute prosthese of vertically fixing of jaw face as claimed in claim 1 is characterized in that the cross sectional shape of substitute prosthese is solid section or U-shaped slot cross-section.
9. the substitute prosthese of vertically fixing of jaw face as claimed in claim 8 is characterized in that also be provided with the positioning boss that is complementary with the mandibular bone pipe on the solid section of substitute prosthese, the positioning boss height is 3～10mm, and drafting angle is 5 °～30 °.
10. the substitute prosthese of vertically fixing of jaw face as claimed in claim 8 is characterized in that the thickness of U-shaped groove substitute prosthese is 0.5～3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210544455.0A CN102988123B (en) | 2012-12-14 | 2012-12-14 | The substitute prosthese that a kind of longitudinal direction of jaw face is fixing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210544455.0A CN102988123B (en) | 2012-12-14 | 2012-12-14 | The substitute prosthese that a kind of longitudinal direction of jaw face is fixing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102988123A true CN102988123A (en) | 2013-03-27 |
| CN102988123B CN102988123B (en) | 2015-08-05 |
Family
ID=47917558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210544455.0A Expired - Fee Related CN102988123B (en) | 2012-12-14 | 2012-12-14 | The substitute prosthese that a kind of longitudinal direction of jaw face is fixing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102988123B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109528355A (en) * | 2018-12-21 | 2019-03-29 | 天衍医疗器材有限公司 | Mandible prosthesis |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3720959A (en) * | 1970-08-26 | 1973-03-20 | G Hahn | Mandibular prosthetic apparatus |
| EP0747019A2 (en) * | 1995-06-07 | 1996-12-11 | United States Surgical Corporation | Modular surgical implant |
| US20080228278A1 (en) * | 2005-11-25 | 2008-09-18 | Biomet Microfixation Inc. | Modular Prosthesis For Mandibular Reconstruction |
| WO2010023332A1 (en) * | 2008-06-08 | 2010-03-04 | Diego Martin Pien Dain | Device for applying bone filler biomaterial in maxillary surgery |
| US20110034931A1 (en) * | 2008-03-18 | 2011-02-10 | University Of Miami | Method for preparing recipient site and implanting allogenic bone graft |
| CN102036618A (en) * | 2008-05-21 | 2011-04-27 | 内克西利斯股份公司 | Device and method for the amelioration of recesses |
-
2012
- 2012-12-14 CN CN201210544455.0A patent/CN102988123B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3720959A (en) * | 1970-08-26 | 1973-03-20 | G Hahn | Mandibular prosthetic apparatus |
| EP0747019A2 (en) * | 1995-06-07 | 1996-12-11 | United States Surgical Corporation | Modular surgical implant |
| US20080228278A1 (en) * | 2005-11-25 | 2008-09-18 | Biomet Microfixation Inc. | Modular Prosthesis For Mandibular Reconstruction |
| US20110034931A1 (en) * | 2008-03-18 | 2011-02-10 | University Of Miami | Method for preparing recipient site and implanting allogenic bone graft |
| CN102036618A (en) * | 2008-05-21 | 2011-04-27 | 内克西利斯股份公司 | Device and method for the amelioration of recesses |
| WO2010023332A1 (en) * | 2008-06-08 | 2010-03-04 | Diego Martin Pien Dain | Device for applying bone filler biomaterial in maxillary surgery |
Non-Patent Citations (1)
| Title |
|---|
| 龚振宇 等: "下颌骨缺损个体化修复体的应力分析与优化设计", 《中国组织工程研究与临床康复》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109528355A (en) * | 2018-12-21 | 2019-03-29 | 天衍医疗器材有限公司 | Mandible prosthesis |
| CN109528355B (en) * | 2018-12-21 | 2023-09-12 | 天衍医疗器材有限公司 | mandibular prosthesis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102988123B (en) | 2015-08-05 |
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