CN103054668A - Novel retention device of craniofacial and maxillofacial prosthesis - Google Patents
Novel retention device of craniofacial and maxillofacial prosthesis Download PDFInfo
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- CN103054668A CN103054668A CN2012105866533A CN201210586653A CN103054668A CN 103054668 A CN103054668 A CN 103054668A CN 2012105866533 A CN2012105866533 A CN 2012105866533A CN 201210586653 A CN201210586653 A CN 201210586653A CN 103054668 A CN103054668 A CN 103054668A
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Abstract
The invention relates to a novel retention device of craniofacial and maxillofacial prosthesis. The novel retention device comprises an implant body, a connecting body, a base table and an armature. Threads are arranged outside the implant body, a cylinder is arranged at the center of the upper portion, and threads are arranged on the upper portion of the cylinder. A hole is arranged at the center of the connecting body, a cutting groove is arranged on the upper portion of the connecting body, and screw holes are arranged on lugs on two sides of the cutting groove. A protruding block matched with the cutting groove of the connecting body is arranged on the lower portion of the base plate, a hole is arranged on the protruding block, and a screw hole is arranged at the center of the upper portion of the base table. The armature is cylindrical, and a screw is arranged at the center of the lower portion of the armature. The connecting body fastens the threads of the cylinder on the upper portion of the implant body through a nut and is connected with the implant body and connected with the base table through the screw, and the armature is arranged on the base table through the screw. The implant body can be implanted into an adjacent bone area with rich bone quantity in inclined mode, implanting length of the implant body can be increased, and the implant body is fixed and stable. Simultaneously, the problem that lateral retention force of prosthesis of an ear and a nose is not enough due to the fact that magnetic adhesion bodies of various implant bodies are parallel is solved. Possible problems such as intracranial damage caused by implanting of a retention implant body of ear prosthesis are solved, and long-term stability of the implant body is guaranteed.
Description
Technical field
The present invention relates to a kind of fixing device for the reparation of cranium Maxillofacial defect, specifically, the superstructure of fixing device (connector and base station) can freely be adjusted the angle with respect to fixing device substructure (implantation body), and this fixing device can be used for the maintenance of the multiple prosthesises such as ear nose eye.
Background technology
The cranium Maxillofacial defect that is caused by congenital development, tumor and wound is clinical common diseases, brings serious body and mind injury to patient, rebuilds to clinical repair simultaneously to bring challenges.The cranium Maxillofacial defect is ear nose eye position damaged particularly, all can bring impact for the morphology and function of patient face section.The clinical repair method can be divided into two large classes: autologous tissue and allosome tissue.Autologous tissue's method is by various tissue flap (flap, musculo cutaneous flap, the bone lobe, cartilage flap etc.) repair deficiency, except there being the damage for the district, the patient of specific group that waits for a long time in chemotherapy and year tolerates, tumour patient can't check recurrence, outside the shortcomings such as operative failure that the possible factors such as postoperative infection ischemia cause, also has facial tissue's complex shape, form requires high, and the moulding difficulty such as cartilage flap, Self-tissue repair ear nose at the moment, long-term effect is as one wishes not to the utmost; Prosthesis is repaired wide accommodation, and wound is little, and operation is simple, without supplying district's damage, also has simultaneously often cleaning, the deficiencies such as periodic replacement.Two class restorative procedures can be complementary, and its scope of application is respectively arranged.
What prosthesis be used for to repair that Maxillofacial defect needs most care is the maintenance problem.Traditional maintenance method was by the prosthesis self gravitation in the past, with the atmospheric pressure after the skin mucosa soft tissue absorption, spectacle-frame, biological glue, variously fell the maintenance such as recessed, but existed retention not enough, the damage that easily comes off, the defectives such as scytitis.Since Branemark created " bone integration " theory, titanium implant is the Oral Repair field that is applied to of success.1975, Branemark at first proposed the conception of mouthful outer implantation body, and was applied to the probability in cranium jaw face field with verifying implantation body's transdermal in 1977, and designed a kind of special cranial bone implant.Hereafter, the application of implantation body outside the mouths such as cranium maxillofacial prosthesis body maintenance is flourish, the reasonable long-term maintenance that solves the prosthesises such as ocular prosthesis, adopted nose, adopted ear.
Although the prosthesis color of dependence implant retention, quality etc. are extremely similar with autologous tissue, still there are some problems in the fine problem that has solved the profile reparation aspect the implant retention prosthesis.Sum up respectively the deficiency of narration implant retention prosthesis according to ear, nose, three positions of eye, as follows:
Ear is damaged, probably occupies 2/3 of cranium Maxillofacial defect case load.Have the following disadvantages with the implant retention prosthesis: 1. implant operation has certain risk.The implant site of the required implantation body of justice ear maintenance is temporal bone.Although temporal bone is double-deck cortical bone, its average thickness is 4-7mm only, and accident penetrates the temporal bone inner panel and can cause intracranial tissue such as cerebral dura mater, intraparenchymal injury and sigmoid sinus hemorrhage etc. in the boring procedure.There are 24 bottom the plantation nest, can get a glimpse of still unmarred middle cranial fossa cerebral dura mater among 214 ear field plantation patients of Tjellstrom report, have 11 hole walls impaired hemorrhage among 32 sigmoid sinus resurrectionists.2. implantation body may loose or dislocation.Except temporal bone lacks adequate thickness, outside the shorter factor of the length of implantation body own, the plantation nest is large, and the mastoid process osteoporosis also is the major reason that implantation body comes off.3. if adopted ear maintenance adopts the magnetic attachment maintenance, because each implantation body's direction almost parallel, the magnetic attachment lateral force resisting is not enough and cause Yi Eryi and slide, but magnetic attachment can keep retention 4-8 not disappear; Yi Erruo adopts the Barclip attachment maintenance, and the bar cassette can guarantee side direction and axial maintenance simultaneously, but the bar cassette is worn the abrasivus fatigue of materials owing to repeatedly getting, and loosening and Malretention can occur, and its life-span roughly about 1 year, needs periodically replacement.
Behind the eyeball excise, rely on implantation body's implantation eye socket surrounding bone and make prosthesis obtain maintenance.But because the restriction of all bone anatomical conditions of socket of the eye, at right eye socket of the eye 7-11 clock place, left eye socket of the eye 1-5 clock place, these several regional bone thickness are last, can reach 6-7mm.Therefore for common tooth implant, the ocular prosthesis implant diameter is shorter, and its long-time stability can be influenced.After implantation body implants, can there be the bar cassette to adhere to maintenance, magnetic attachment maintenance, ball groove are adhered to three kinds of forms of maintenance, but because implantation body's axis centration polymerization, conventional common path of insertion is difficult to try to achieve, and magnetic base station maintenance is large to the tolerance that requires to implant axis, and because implantation body distributes rationally, can not slide, retention is good, and the patient can pluck voluntarily and wear.
After the defect of nose, prenasal base area vertically plantation is the first-selected position of defect of nose plantation.Vertically 2 pieces of implantation bodys of plantation and glabella point are vertically implanted 1 piece to prenasal base area routine in apertura piriformis lower edge rear.If implantation body vertically turns forward when vertically planting, then may injure the Upper Anterior Teeth root of the tooth, if vertically recede, then may penetrate the hard palate plate.If during vertical bone quantity not sufficient, still can consider in the laterally plantation of apertura piriformis lower edge below.Implant diameter is 5-9mm, and length is shorter, and nose implantation body mostly is parallel implantation, if adopt magnetic attachment or Barclip attachment, can run into the same problem of adopted ear maintenance.
The deficiency that the prosthesis maintenance at the positions such as above-mentioned ear nose eye occurs, domestic and foreign literature or patent there is no preferably solution.In sum, if a kind of implant type fixing device is provided: can diagonal be implanted to the abundant bone district of adjacent bone amount, implantation body implants increasing length and adds, and makes implant retention stable, avoids implantation body to come off; Simultaneously can solve the prosthesis of ear and nose because of the hypodynamic problem of the parallel side direction maintenance of the Magnetic attachment of each implantation body; Avoid the maintenance implantation body of ear prosthesis to implant the problems such as contingent intracranial injury, connecting rod disperses the suffered stress of implantation body simultaneously, guarantees implantation body's long-time stability, and such implantation body will have obvious value for clinical application.
Summary of the invention
The present invention aims to provide the novel fixing device of a kind of cranium maxillofacial prosthesis body, can freely adjust the angle with respect to implantation body, thereby can diagonal be implanted to the abundant bone district of adjacent bone amount, the implantation increasing length of implantation body is added, thereby make implant retention stable, avoid implantation body to come off; Simultaneously can solve the prosthesis of ear and nose because of the hypodynamic problem of Magnetic attachment parallel surface side direction maintenance of each implantation body; Avoid the maintenance implantation body of ear prosthesis to implant the problems such as contingent intracranial injury, connecting rod disperses the suffered stress of implantation body simultaneously, guarantees implantation body's long-time stability.
Technical scheme of the present invention is: the novel fixing device of a kind of cranium maxillofacial prosthesis body comprises implantation body, connector, base station, armature; There is screw thread the implantation body outside, and center upper portion has cylinder, and cylinder top has screw thread; Connector central authorities are porose, and grooving is arranged at top, have screw on the ear piece on grooving both sides; The projection adaptive with the connector grooving arranged at the base station bottom, has the hole on the projection, and center upper portion has screw; Armature is cylindrical, and lower central has screw rod, and screw rod and base station top screw are suitable; Connector is connected with implantation body by the screw thread of fastening nuts implantation body top cylinder, is connected with base station by screw, and armature is installed in above the base station by screw rod.
Further, the height of described implantation body is 6-20mm, and diameter is 3-6mm.
Preferably, the diameter of described implantation body is 4-6mm, around the cylinder on implantation body top annular groove is arranged, and the boss suitable with annular groove arranged at the connector bottom.Can improve implantation body and connector in quality of fit and the intensity of connecting portion, improve the flexural strength of pattern of farming, relatively be fit to the larger situation of stress.
Preferably, described implantation body top body diameter is 1.5-3mm, highly is 4-14mm, and implantation body's upper, annular groove diameter is 2-4mm, and the degree of depth is 4-12mm.
Preferably, the diameter of described implantation body is 3-4.5mm, and cylindrical boss is arranged at implantation body top, and the groove suitable with boss arranged at the connector bottom.Can improve implantation body and connector in quality of fit and the intensity of connecting portion, improve the flexural strength of pattern of farming, relatively be fit to the less situation of stress.
Preferably, the diameter of described implantation body top cylindrical boss is 2-3mm, highly is 2-4mm; Implantation body's top body diameter is 1.5-2.5mm, highly is 3-6mm.
Preferably, described base station top is the stairstepping cylinder, and the upper body diameter of ladder is 3-5mm, height 1-3mm, and the lower body diameter of ladder is 4-8mm, height 2-4mm; Base station bottom projection, bottom surface are rectangle or circle, if rectangle, the length of side is 2-4mm; If circular, diameter is 2-4mm; Highly be 4-6mm.
Further, grooving is arranged at described implantation body bottom, and cutting groove depth is 0.5-1.0mm, and longitudinal length is 1.0-4.0mm, and transverse width is 2.0-3.0mm.
Further, the columniform diameter of described armature is 3-6mm, and thickness is 2-4mm.
Further, on the described base station connecting rod is installed, the otch suitable with the base station shaped upper part arranged on the connecting rod.
The present invention can diagonal be implanted to the abundant bone district of adjacent bone amount, can increase implantation body and implant length, thereby make implant retention more stable, effectively avoids implantation body to come off; Simultaneously can solve the prosthesis of ear and nose because of the hypodynamic problem of the parallel side direction maintenance of the Magnetic attachment of each implantation body; Avoid the maintenance implantation body of ear prosthesis to implant the problems such as contingent intracranial injury, connecting rod disperses the suffered stress of implantation body simultaneously, guarantees implantation body's long-time stability.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is implantation body's structural representation of structure shown in Figure 1.
Fig. 3 is the connector structural representation of structure shown in Figure 1.
Fig. 4 is another structural representation of the present invention.
Fig. 5 is the connector structural representation of structure shown in Figure 4.
Fig. 6 is implantation body's structural representation of structure shown in Figure 4.
Fig. 7 is abutment structure sketch map of the present invention.
Fig. 8 is armature structure sketch map of the present invention.
Fig. 9 is combinative structure sketch map of the present invention.
Among the figure: 1-implantation body, 2-connector, 3-base station, 4-armature, 5-screw rod, 6-base station top, 7-projection, 8-screw, 9-nut, 10-cylinder, 11-boss, 12-grooving, 13-boss, 14-screw thread, 15-connecting rod.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the present invention is further elaborated.
As shown in the figure, the novel fixing device of cranium maxillofacial prosthesis body of the present invention comprises implantation body 1, connector 2, base station 3, armature 4.There is screw thread implantation body 1 outside, and center upper portion has cylinder 10, and cylinder 10 tops have screw thread 14.Connector 2 central authorities are porose, and grooving is arranged at top, has screw on the ear piece on grooving both sides; The projection 7 adaptive with connector 2 groovings arranged at base station 3 bottoms, has the hole on the projection 7, and center upper portion has screw.Armature 4 is cylindrical, and lower central has screw rod 5, and screw rod 5 is suitable with base station 3 top screws.Connector 2 is connected with implantation body 1 by the screw thread 14 of nut 9 fastening implantation body top cylinders 10, is connected connection with base station by screw 8, and armature 4 is installed in above the base station 3 by screw rod 5.Before nut 9 was fastening, connector 2 can be around implantation body's 1 axis, 360 degree rotations; Before screw 8 was fastening, base station 3 can rotate in screw 8 axis 180 degree scopes; Can realize regulating arbitrarily the angle between base station 3 and the implantation body 1.
Further, the height of implantation body 1 is 6-20mm, and diameter is 3-6mm.
Preferably, the diameter of implantation body 1 is 4-6mm, around the cylinder 10 on implantation body 1 top annular groove is arranged, and the boss 11 suitable with annular groove arranged at connector 2 bottoms.Can improve implantation body 1 and quality of fit and the intensity of connector 2 at connecting portion, improve the flexural strength of pattern of farming, relatively be fit to the larger situation of stress, be generally diameter 4-6mm, also may greater than this numeral, reach 8mm.
Preferably, implantation body's 1 top cylinder, 10 diameters are 1.5-3mm, highly are 4-14mm, and implantation body's upper, annular groove diameter is 2-4mm, and the degree of depth is 4-12mm.
Preferably, the diameter of implantation body 1 is 3-4.5mm, and cylindrical boss 13 is arranged at implantation body 1 top, and the groove suitable with boss arranged at connector 2 bottoms.Can improve implantation body and connector in quality of fit and the intensity of connecting portion, improve the flexural strength of pattern of farming, relatively be fit to the less situation of stress.
Preferably, the diameter of implantation body's 1 top cylindrical boss 13 is 2-3mm, highly is 2-4mm; Implantation body's top cylinder 10 diameters are 1.5-2.5mm, highly are 3-6mm.
The convex-concave structure of implantation body 1 and connector 2 connecting portions not only can improve both quality of fits greatly, has also greatly improved bonding strength, particularly flexural strength, thereby has improved precision and the intensity of plantation.According to bone district situation, select applicable implantation body's size, thereby the convex-concave structure that selection adapts improves the suitability, improves quality of connection.
Preferably, base station top 6 is the stairstepping cylinder, and the upper body diameter of ladder is 3-5mm, height 1-3mm, and the lower body diameter of ladder is 4-8mm, height 2-4mm; Base station bottom projection 7, bottom surface are rectangle or circle, if rectangle, the length of side is 2-4mm; If circular, diameter is 2-4mm; Highly be 4-6mm, guarantee that base station 3 bottom projections 7 freely rotate in connector 2 top groovings.
Further, grooving 12 is arranged at implantation body 1 bottom, and grooving 12 degree of depth are 0.5-1.0mm, and longitudinal length is 1.0-4.0mm, and transverse width is 2.0-3.0mm, guarantees that implantation body 1 can firmly be fixed in the bone district.
Further, armature 4 columniform diameters are 3-6mm, and thickness is 2-4mm, are the less screw rods of diameter 5 below columniform.
Further, connecting rod 15 is installed on the base station 3, the otch suitable with the base station shaped upper part arranged on the connecting rod 15, guarantee that connecting rod can be vertically to dislocation.
Further, all are threaded and are fine thread, cooperate closely, can avoid preferably the soft tissue threaded engagement face of growing into.
During use, select suitable bone district, behind the formation plantation nest, implantation body 1 implants, according to required direction, with nut 9 maintenance connectors 2, then use screw 8 retained abutment 3 and connector 2, then screw in armature 4 in case soft tissue growth holds implantation body 1, the female thread of the connector 2 of perhaps growing into.After integrating through 3-6 month bone, unload lower armature 4, delivery is made connecting rod 15, connect each implantation body after, screw in armature, put on prosthesis.Generally speaking, be to use first nut 9 rigid connectors 2 and implantation body 1, then use screw 8 rigid connectors 2 and base station 3; If just have bone or soft tissue to hinder around screw 8 entrances, affect clinical manipulation, can be well then fixing the angle Selection between base station 3 and the connector 2 first, screw in together implantation body, then rotation coupling, make base station in place after, then be completely fixed nut 9 with special spanner.Then put on prosthesis, finish repair process.
Obviously, above embodiment only is to example of the present invention, and is not the restriction to embodiment of the present invention.To those of ordinary skill in the art, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And these belong to apparent variation or the change that spirit of the present invention amplified out and still are among protection scope of the present invention.
Claims (10)
1. the novel fixing device of cranium maxillofacial prosthesis body is characterized in that: comprise implantation body (1), connector (2), base station (3), armature (4); There is screw thread implantation body (1) outside, and center upper portion has cylinder (10), and cylinder (10) top has screw thread (14); Connector (2) central authorities are porose, and grooving is arranged at top, has screw on the ear piece on grooving both sides; The projection (7) adaptive with connector (2) grooving arranged at base station (3) bottom, and projection has the hole on (7), and center upper portion has screw; Armature (4) is cylindrical, and lower central has screw rod (5), and screw rod (5) is suitable with base station (3) top screw; Connector (2) is connected with implantation body (1) by the screw thread (14) of the fastening implantation body of nut (9) top cylinder, is connected 3 by screw (8) with base station) connect, armature (4) is installed in above the base station (3) by screw rod (5).
2. the novel fixing device of cranium maxillofacial prosthesis body according to claim 1, it is characterized in that: the height of described implantation body (1) is 6-20mm, diameter is 3-6mm.
3. the novel fixing device of cranium maxillofacial prosthesis body according to claim 2, it is characterized in that: the diameter of described implantation body (1) is 4-6mm, the cylinder on implantation body top (10) has annular groove on every side, and the boss suitable with annular groove (11) arranged at connector (2) bottom.
4. the novel fixing device of cranium maxillofacial prosthesis body according to claim 3, it is characterized in that: described implantation body (1) top cylinder (10) diameter is 1.5-3mm, highly be 4-14mm, implantation body (1) upper, annular groove diameter is 2-4mm, and the degree of depth is 4-12mm.
5. the novel fixing device of cranium maxillofacial prosthesis body according to claim 2, it is characterized in that: the diameter of described implantation body (1) is 3-4.5mm, cylindrical boss (13) is arranged at implantation body (1) top, and the groove suitable with boss (13) arranged at connector (2) bottom.
6. the novel fixing device of cranium maxillofacial prosthesis body according to claim 5, it is characterized in that: the diameter of described implantation body (1) top cylindrical boss (13) is 2-3mm, highly is 2-4mm; Implantation body's top cylinder (10) diameter is 1.5-2.5mm, highly is 3-6mm.
7. the novel fixing device of cranium maxillofacial prosthesis body according to claim 1 is characterized in that: described base station top (6) is the stairstepping cylinder, and the upper body diameter of ladder is 3-5mm, height 1-3mm, and the lower body diameter of ladder is 4-8mm, height 2-4mm; Base station bottom projection, bottom surface are rectangle or circle, and during for rectangle, the length of side is 2-4mm; During for circle, diameter is 2-4mm; Highly be 4-6mm.
8. the novel fixing device of cranium maxillofacial prosthesis body according to claim 1, it is characterized in that: grooving (12) is arranged at described implantation body (1) bottom, and grooving (12) degree of depth is 0.5-1.0mm, and longitudinal length is 1.0-4.0mm, and transverse width is 2.0-3.0mm.
9. the novel fixing device of cranium maxillofacial prosthesis body according to claim 1, it is characterized in that: the columniform diameter of described armature (4) is 3-6mm, and thickness is 2-4mm.
10. according to claim 1 to the novel fixing device of 9 each described cranium maxillofacial prosthesis bodies, it is characterized in that: connecting rod (15) is installed on the described base station (3), and connecting rod has the otch suitable with the base station shaped upper part on (15).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210586653.3A CN103054668B (en) | 2012-12-31 | 2012-12-31 | Novel retention device of craniofacial and maxillofacial prosthesis |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210586653.3A CN103054668B (en) | 2012-12-31 | 2012-12-31 | Novel retention device of craniofacial and maxillofacial prosthesis |
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| CN103054668A true CN103054668A (en) | 2013-04-24 |
| CN103054668B CN103054668B (en) | 2014-08-20 |
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Citations (6)
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|---|---|---|---|---|
| EP0348272A1 (en) * | 1988-06-24 | 1989-12-27 | Societe De Fabrication De Materiel Orthopedique | Implant for a spiral osteosynthesis device, especially in traumatology |
| EP0553782A1 (en) * | 1992-01-31 | 1993-08-04 | Kluger, Patrick, Dr. med. | Rachidial implant and reposition instrument |
| CN201257027Y (en) * | 2008-09-09 | 2009-06-17 | 赵大国 | Tooth planting body with horizontal tooth root |
| WO2009141801A1 (en) * | 2008-05-21 | 2009-11-26 | Adin Dental Implants Systems, Ltd. | One-piece inclined dental implant |
| CN101744665A (en) * | 2008-12-17 | 2010-06-23 | 威海威高生物技术有限公司 | Bending large-angle base station device |
| CN102194030A (en) * | 2011-05-19 | 2011-09-21 | 南京医科大学附属口腔医院 | Implant denture individual abutment design method based on healing abutment dental model |
-
2012
- 2012-12-31 CN CN201210586653.3A patent/CN103054668B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0348272A1 (en) * | 1988-06-24 | 1989-12-27 | Societe De Fabrication De Materiel Orthopedique | Implant for a spiral osteosynthesis device, especially in traumatology |
| EP0553782A1 (en) * | 1992-01-31 | 1993-08-04 | Kluger, Patrick, Dr. med. | Rachidial implant and reposition instrument |
| WO2009141801A1 (en) * | 2008-05-21 | 2009-11-26 | Adin Dental Implants Systems, Ltd. | One-piece inclined dental implant |
| CN201257027Y (en) * | 2008-09-09 | 2009-06-17 | 赵大国 | Tooth planting body with horizontal tooth root |
| CN101744665A (en) * | 2008-12-17 | 2010-06-23 | 威海威高生物技术有限公司 | Bending large-angle base station device |
| CN102194030A (en) * | 2011-05-19 | 2011-09-21 | 南京医科大学附属口腔医院 | Implant denture individual abutment design method based on healing abutment dental model |
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Effective date of registration: 20230517 Address after: 2nd to 3rd floors, Building E7, No. 366 Hemin Street, Chengdu High tech Zone, China (Sichuan) Pilot Free Trade Zone, Chengdu City, Sichuan Province, 610096 Patentee after: Chengdu worldlink Health Biotechnology Co.,Ltd. Address before: Room 109, Building A, No. 5 Gaopeng Avenue, High tech Zone, Chengdu, Sichuan, 610041 Patentee before: CHENGDU BOSHUO TECHNOLOGY Co.,Ltd. |
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