CN202933032U - Simple device for lifting maxillary sinus floor - Google Patents
Simple device for lifting maxillary sinus floor Download PDFInfo
- Publication number
- CN202933032U CN202933032U CN 201220554141 CN201220554141U CN202933032U CN 202933032 U CN202933032 U CN 202933032U CN 201220554141 CN201220554141 CN 201220554141 CN 201220554141 U CN201220554141 U CN 201220554141U CN 202933032 U CN202933032 U CN 202933032U
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- China
- Prior art keywords
- base
- screw rod
- sinus floor
- screw thread
- maxillary sinus
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a device for lifting maxillary sinus floor, which comprises a screw rod and a base; the base adopts a hollow columnar structure, a self-tapping screw thread and a first stress mechanism are arranged on the outer surface of the base and partitioned by through a check ring, and inner surface screw threads are formed on the inner surface of the base; and the screw rod adopts a columnar structure, screw rod threads matched with the inner surface screw threads, and a second stress mechanism are arranged on the surface of the screw rod, and a stress application plate is arranged at the bottom of the screw rod. According to the utility model, the base and the screw rod are mounted and fixed in a planting fossa, and the screw rod penetrates through the base and applies a lifting force to the maxillary sinus floor to lift the maxillary sinus floor to a predetermined height. The device can slowly lift the maxillary sinus floor in a precisely controlled manner, and at the same time, the discomfort caused by hammering is avoid; and preferably, the base can be fixed without using auxiliary tools or means, and the base itself has a little effect on lifting the height of the maxillary sinus region.
Description
Technical field
This utility model relates to the dentistry field of planting, especially a kind of lifting device of Sinus floor.
Background technology
At present the treatment agomphosis at first will method be the Dental Implant reparation, but at maxillary sinus region often because of the absorption of alveolar ridge, the maxillary sinus air cavity causes available bone height not enough, Maxillary Sinus can solve the problem of bone height deficiency.I.e. making space between Sinus floor and upper jaw mucosa is placed bone or bone substitute, to increase alveolar ridge crest to the distance of Sinus floor, makes security protection implantation body become possibility.Maxillary Sinus is divided into closed type sinus lift art and fenestration sinus lift art.Promote art in maxillary sinus and refer at alveolar ridge crest preparation plantation nest, when preparing to Sinus floor 1-2mm, uses that in special maxillary sinus, the hoisting tool hammering causes the fracture of Sinus floor sclerotin, mucosa at the bottom of the lifting hole, but bone grafting or bone grafting not.This wizard can promote Sinus floor on a small quantity, and it is light that postoperative reaction promotes art outward than maxillary sinus.
But this operation is carried out under blind looking, though the simple operation easier of this wizard's method is high, only with feel and audition judgement, the dynamics of knocking is difficult to accurate control, easily causes mucosa to wear out, and the mucosa perforation is difficult to remedy.Restriction due to mouth opening, in maxillary second molar district's application, certain difficulty is arranged, and the method needs hammering to make the jackknifing of Sinus floor hone lamella, the patient often quails, especially when sclerotin is harder, often need to knock energetically, the patient often tells spiritual high-pressure, and head has strenuous vibration sense or headache.
Prior art also has to replace knocks the technology of Sinus floor hone lamella, but it is mostly all more loaded down with trivial details to operate, and operation easier is larger on the spot.Now be badly in need of a kind of simple to operate, effective and can significantly alleviate physiology in corrective surgery and painful sinus lift technology at heart.
The utility model content
In order to overcome the defective of prior art, this utility model provides a kind of easy device for promoting Sinus floor, comprises a screw rod and a base,
Comprise a screw rod and a base,
Described base is a hollow columnar structures, its outer surface is provided with one and is used for described base precession and is fixed on the tapping screw thread and of planting nest being used to rotating mechanism to implement the first force mechanism that spin provides fulcrum, described tapping screw thread and the first force mechanism are separated by a back-up ring, and described base inner surface is provided with an inner surface screw thread consistent with described tapping screw thread direction;
Described screw rod is a column structure, its surface is provided with the screw flight that is complementary with described inner surface screw thread and and provides the second force mechanism of implementing the spin fulcrum for another rotating mechanism, its bottom is provided with one for the reinforcing dish of pushing Sinus floor, and described screw rod is by the described base of helicitic texture precession.
Preferably, described tapping screw thread is deepened to arrange to the helicitic texture of described back-up ring direction gradually.
Preferably, less than the base external diameter, its edge is provided with projection to the diameter of described afterburning dish greater than screw diameter, and described rising height is 0.5-1.5mm.
Compared with prior art, the beneficial effects of the utility model are as follows:
The lifting Sinus floor that this utility model can slowly also can accurately be controlled prevents the perforation of Sinus floor; The discomfort that while this utility model has avoided hammering to cause; More excellent, this utility model adopts Embedded base, not only do not need to adopt aid or means firm banking, and base itself just just has the castering action of a little to Sinus floor.
Certainly, implement arbitrary product of the present utility model and might not need to reach simultaneously above-described all advantages.
Description of drawings
The structural representation for the easy device that promotes Sinus floor that Fig. 1 provides for this utility model;
The structural representation for the easy device that promotes Sinus floor that Fig. 2 provides for this utility model;
The structural representation for the easy device that promotes Sinus floor that Fig. 3 provides for this utility model.
The specific embodiment
As shown in Figure 1, this utility model provides a kind of easy device for promoting Sinus floor, and this device comprises screw rod 2 and base 1.
as shown in Figure 2, base 1 is a hollow columnar structures, its outer surface is provided with tapping screw thread 5 and the first force mechanism 3, the present embodiment the first force mechanism 3 is a polygonized structure, tapping screw thread 5 and the first force structure 3 are separated by back-up ring 4, back-up ring 4 is circular, arbitrary shape in square or polygon, the present embodiment is selected circular configuration, tapping screw thread 5 is deepened or constant to the helicitic texture of back-up ring 4 directions gradually from the bottom, helicitic texture deepen gradually be for make base more stable be arranged in the plantation nest and antagonism power when increasing screw rod as far as possible and pushing Sinus floor, the present embodiment is selected tapping screw thread 5 structures of intensification gradually, tapping screw thread 5 is used for that base 1 is implemented the spin precession by rotating mechanism and is fixed on the plantation nest, the first force mechanism 3 is implemented spin for rotating mechanism fulcrum is provided, this rotating mechanism can be spanner, vice, staff or other mechanisms, in the present embodiment, rotating mechanism is a spanner, base 1 inner surface is provided with the consistent inner surface screw thread of tapping screw thread 5 directions,
as shown in Figure 3, screw rod 2 is a column structure, its surface is provided with screw flight 7 and the second force mechanism 8 that is complementary with the inner surface screw thread, screw rod 2 precession bases 1 provide the fulcrum of implementing spin for another rotating mechanism by the second force mechanism 8, this rotating mechanism can be spanner, vice, staff or other mechanisms, what use in the present embodiment is spanner, screw rod 2 bottoms are provided with an afterburning dish, this reinforcing dish is discoid, its diameter greater than screw rod 2 diameters less than base 1 external diameter, this reinforcing plate edge place is provided with projection 6, in order to push the lifting Sinus floor, projection 6 is highly 0.5-1.5mm, in the present embodiment, the height of projection 6 is 1mm.
The embodiment of a kind of easy device for promoting Sinus floor of this utility model is as follows:
plant nest to Sinus floor 0.5-2mm place in upper jaw rear portion edentulous region preparation, this plantation nest diameter is less than base 1 external diameter, screw rod 2 is revolved base 1 is communicated with screw rod 2 after establishing in the base 1 and screws in the plantation nests, screw in the plantation nest as propping up the base 1 of naming a person for a particular job take the first force mechanism 3 by rotating mechanism, again by rotating mechanism take the second force mechanism 8 as the fulcrum reinforcing in screw rod 2, this moment, Sinus floor got a promotion by the rising of screw rod 2, screw rod is pushed the antagonism power that promotes Sinus floor and is screwed in from base the resistance that the frictional force that produces after plantation nest bone wall and described tapping screw thread embed the bone wall, what the resistance of base 1 also can be slight simultaneously should distinguish alveolar bone to (hat side) lifting in the other direction.Continue turn screw rod 2 and make Sinus floor reach predetermined height, stop reinforcing if reached predetermined altitude, screw out base 1 and screw rod 2, Implant.
The lifting Sinus floor that this utility model can slowly also can accurately be controlled prevents the perforation of Sinus floor; The discomfort that while this utility model has avoided hammering to cause; More excellent, this utility model adopts Embedded base, not only do not need to adopt aid or means firm banking, and base itself just just has the castering action of a little to maxillary sinus region bone height.
This utility model preferred embodiment just is used for helping to set forth this utility model.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this utility model yet and only is the described specific embodiment.Obviously, according to the content of this description, can make many modifications and variations.These embodiment are chosen and specifically described to this description, is in order to explain better principle of the present utility model and practical application, thereby under making, the technical field technical staff can utilize this utility model well.This utility model only is subjected to the restriction of claims and four corner and equivalent.Above disclosed be only several specific embodiments of the application, but the application is not limited thereto, the changes that any person skilled in the art can think of all should drop in the application's protection domain.
Claims (3)
1. an easy device that is used for promoting Sinus floor, is characterized in that, comprises a screw rod and a base,
Described base is a hollow columnar structures, its outer surface is provided with one and is used for described base precession and is fixed on the tapping screw thread and of planting nest being used to rotating mechanism to implement the first force mechanism that spin provides fulcrum, described tapping screw thread and the first force mechanism are separated by a back-up ring, and described base inner surface is provided with an inner surface screw thread consistent with described tapping screw thread direction;
Described screw rod is a column structure, its surface is provided with the screw flight that is complementary with described inner surface screw thread and and provides the second force mechanism of implementing the spin fulcrum for another rotating mechanism, its bottom is provided with one for the reinforcing dish of pushing Sinus floor, and described screw rod is by the described base of helicitic texture precession.
2. the easy device for promoting Sinus floor as claimed in claim 1, is characterized in that, described tapping screw thread is deepened to arrange to the helicitic texture of described back-up ring direction gradually.
3. the easy device for promoting Sinus floor as claimed in claim 1, is characterized in that, less than the base external diameter, its edge is provided with projection to the diameter of described afterburning dish greater than screw diameter, and described rising height is 0.5-1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220554141 CN202933032U (en) | 2012-10-26 | 2012-10-26 | Simple device for lifting maxillary sinus floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220554141 CN202933032U (en) | 2012-10-26 | 2012-10-26 | Simple device for lifting maxillary sinus floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202933032U true CN202933032U (en) | 2013-05-15 |
Family
ID=48317298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220554141 Expired - Lifetime CN202933032U (en) | 2012-10-26 | 2012-10-26 | Simple device for lifting maxillary sinus floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202933032U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908201A (en) * | 2012-10-26 | 2013-02-06 | 凌晴 | Maxillary sinus floor lifting device and method |
| CN110811756A (en) * | 2019-11-22 | 2020-02-21 | 武汉大学 | Machine drill bit for maxillary sinus internal lifting operation |
-
2012
- 2012-10-26 CN CN 201220554141 patent/CN202933032U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908201A (en) * | 2012-10-26 | 2013-02-06 | 凌晴 | Maxillary sinus floor lifting device and method |
| CN102908201B (en) * | 2012-10-26 | 2015-06-03 | 凌晴 | Maxillary sinus floor lifting device and method |
| CN110811756A (en) * | 2019-11-22 | 2020-02-21 | 武汉大学 | Machine drill bit for maxillary sinus internal lifting operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130515 |
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| CX01 | Expiry of patent term |