CN103976799B - Minimally invasive internal maxillary sinus lifting device for implanting teeth - Google Patents
Minimally invasive internal maxillary sinus lifting device for implanting teeth Download PDFInfo
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- CN103976799B CN103976799B CN201410208364.9A CN201410208364A CN103976799B CN 103976799 B CN103976799 B CN 103976799B CN 201410208364 A CN201410208364 A CN 201410208364A CN 103976799 B CN103976799 B CN 103976799B
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Abstract
In order to solve such defects in the prior that whether maxillary sinus is successfully lift is hard to judge and the operation is inconvenient, the invention provides a minimally invasive internal maxillary sinus lifting device for implanting teeth. The minimally invasive internal maxillary sinus lifting device comprises a bone fixing element, an internal lifting element and a force applying element, wherein the bone fixing element comprises a cylindrical body, a fixing part is arranged on the outer surface of the cylindrical body, and the cylindrical body is provided with a first through inner hole and a second through inner hole along the axial direction; the internal lifting element comprises a lifting rod and a lifting head, one end of the lifting rod is fixedly connected with the lifting head, the lifting rod is inserted in the first inner hole of the cylindrical main body, the other end of the lifting rod is fixedly connected with the force applying element through threads, and the force applying element is located in the second inner hole of the cylindrical main body. Since the travel of the internal lifting device provided by the invention is controllable, the lifting element is ensured not to break through a mucous membrane of maxillary sinus; in addition, since the integration degree is high, the lifting device provided by the invention is smart in structure and can be conveniently used for carrying out internal lifting operation in oral cavities.
Description
Technical field
The present invention relates to a kind of be used for Sinus floor in stomatologic medical apparatus and instruments, more particularly to artificial dental implant surgical
During Bone mineral change, a kind of minimally invasive interior lifting device of safety maxillary sinus for Dental Implant.
Background technology
Manual tooth planting's operation is a kind of manually to be placed implantation body in alveolar bone to replace coming off or drop
The operation of tooth.
Generally, if loss of tooth overlong time, maxillary molar region is often because bone absorption or maxillary sinus gasification cause maxillary sinus
Following sclerotin is gradually consumed, then the bone amount of maxillary molar region is highly not enough to place implantation body, and this is accomplished by interior lifting
Jaw hole bottom, forms bone increment space above jawbone, and increase can be using height, so that here lays implantation body.
Typically by first drilling, then tap method using shaft-like lifting column carries out interior lifting maxillary sinus to prior art
Bottom, but, because of the excessive velocities and the unrestricted violent action of percussion of drilling, often there is misoperation and wear out maxillary sinus and glue
Film, and then the maxillary sinusitises and pain caused because mucous membrane of maxillary sinus is damaged are brought to patient.
Patent CN102006836A (application number 200880128697.3) discloses a kind of maxillary sinus for tooth implantation
Film lifting means, the auxiliary device include the cylindrical main support member with the correction part for being formed at its end portion,
With the expandable bags positioned at support member inner space.When the expandable bags expand, maxillary sinus film is thus lifted at jawbone.
But, because bone hole is deep and little, the patented technology is compared with the sclerotin for being difficult to accurately judge to remove Sinus floor completely.
In addition, patent CN101234038A (application number 200810300427.8) discloses a kind of maxillary sinus floor elevation device,
Including basal disc and the part of rushing to summit that can be moved along the basal plane orientation perpendicular to basal disc, fixing device, basal disc are provided with basal disc
Cover the bone hole formed after part is rushed to summit of rushing to summit.But, because of limited space in oral cavity, the ram structure is difficult to completely in oral cavity
In place, that is, enabling carries out in place, is also relatively difficult to realize freely interior lifting work.
The content of the invention
The technical problem to be solved be for prior art be difficult to accurately judge whether successfully to lift the upper jaw
Hole bottom and the defect such as it is awkward, there is provided a kind of minimally invasive interior lifting device of maxillary sinus for Dental Implant.
The technical scheme adopted by present invention solution above-mentioned technical problem is as follows：
There is provided a kind of maxillary sinus for Dental Implant minimally invasive interior lifting device, wherein, including bone fixation means, interior lifting member and
Force-applying member, the bone fixation means include cylindrical body, and the outer surface of the cylindrical body is provided with fixed part, the cylinder
Shape body is provided with first endoporus and the second endoporus of insertion vertically；The interior lifting member includes lifting arm and poppet, described
One end of lifting arm is fixedly connected with the poppet, and the lifting arm is arranged in the first endoporus of the cylindrical body,
The other end of the lifting arm is fixedly connected with the force-applying member, and the force-applying member is located at the second endoporus of the cylindrical body
In；Length of the length of the lifting arm more than first endoporus, the length of the force-applying member is less than second endoporus
Length, the internal diameter of first endoporus are less than the internal diameter of the second endoporus, and the external diameter of the force-applying member is more than first endoporus
Internal diameter.
Further, the fixed part is the tapping screw thread located at the cylindrical body outer surface.As such, it is possible to pass through
The mode of screw thread self tapping is tightly fastened combination with the alveolar bone the bone fixation means.
Further, the tapping screw thread gradually becomes close from top to bottom along the cylindrical body.So, because of screw thread above
Width, more down screw thread is closeer, the bone fixation means can be caused even closer and the alveolar bone secure bond.
Further, the tapping screw thread includes wide screw thread and close screw thread, and the pitch of the wide screw thread is more than the close spiral shell
The pitch of stricture of vagina, the wide screw thread are located at the upper semisection of the cylindrical body, and the close screw thread is located at the cylindrical body
Lower semisection.So, because of screw thread width above, screw thread below is close, can cause to protect between the bone fixation means and the alveolar bone
Different grasping forces are held, is allowed to even closer with the alveolar bone secure bond.
Further, the lower end of the cylindrical body is provided with force section.As such, it is possible to pass through external tool apply to described
Power portion applies external force, realizes being tightly fastened for the bone fixation means.
Further, the force section is outer-hexagonal stud.As such, it is possible to using with the outer-hexagonal match in six
Angle sleeve applies torsion to the force section, and turn clockwise propulsion cylindrical body, and then realizes the bone fixation means and institute
State combining closely between alveolar bone.
Further, the lifting arm is threaded connection with one end of the force-applying member.So, it is threaded connection,
The installation and removal of the lifting arm and force-applying member can be realized, is easy to clean and is sterilized.
Further, the other end of the force-applying member is arc-shaped concave, and it is recessed that the center of the arc-shaped concave is provided with a word
Groove.As such, it is possible to word groove operation is directed at conveniently with straight screwdriver, realize tearing open for the lifting arm and force-applying member
Unload and install.
Further, the poppet is a disk with arc-shaped concave, and the arc-shaped concave is scrobicula face, described to carry
One end of rising stem is fixedly connected with the core of the disk.So, when impacting Sinus floor, the disk of arc-shaped concave can be to upper
Jaw hole bottom surface applies appropriate shearing force, effectively can depart from the bone impact fracture of appropriate area above bone hole.
Further, the top edge of the cylindrical body is provided with tapered slope.So, because the tapered slope is located at institute
The upper end of bone fixation means is stated, the little inclined-plane of the top edge around the cylindrical body is constituted, then the bone fixation means can be conveniently
Entrance bone hole in, during being lifted in the bone hole, can effectively realize propulsion and impact function.
Beneficial effects of the present invention：The lifting device of the present invention includes the force-applying member being sequentially connected and interior lifting member, and
The bone fixation means being sheathed on force-applying member and interior lifting member, the force-applying member and interior lifting member can be slided in bone fixation means, real
Existing impact function, because the length of the lifting arm of the present invention is more than the length of first endoporus, the length of the force-applying member
Less than the length of second endoporus, the internal diameter of first endoporus is less than the internal diameter of the second endoporus, the external diameter of the force-applying member
More than the internal diameter of first endoporus, then so that the force-applying member has controllable stroke, Jin Erbao in second endoporus
The stroke for having demonstrate,proved the interior lifting member is controllable.So, in the impact process of the force-applying member, when feel fall through sense when, then
Can determine that and impact successfully, and because its stroke it is controllable, it is ensured that the lifting member will not be broken through mucous membrane of maxillary sinus and be caused maxillary sinus
It is scorching；Another force-applying member is shorter in length than hole length in second, is additionally operable to detect whether Sinus floor is lifted successfully, when compressing force-applying member bottom
Portion, force-applying member can rise, and release then declines, and as successfully, not so, advance the cylindrical body, tap force-applying member, in repetition
Action is stated, until being lifted successfully；Additionally, because the integrated level of the force-applying member, interior lifting member and bone fixation means it is higher so that this
Bright lifting device light structure, easily can apply carries out interior lifting operation in oral cavity.
Description of the drawings
Fig. 1 is the minimally invasive interior lifting device generalized section of maxillary sinus that one embodiment of the invention is provided；
Fig. 2 is the minimally invasive interior lifting device schematic perspective view of maxillary sinus that one embodiment of the invention is provided；
Fig. 3 is the minimally invasive interior lifting device schematic perspective view of maxillary sinus that another embodiment of the present invention is provided；
Fig. 4 is lifting member schematic perspective view in the minimally invasive interior lifting device of maxillary sinus of one embodiment of the invention offer；
Fig. 5 is lifting member generalized section in the minimally invasive interior lifting device of maxillary sinus of one embodiment of the invention offer；
Fig. 6 is force-applying member schematic perspective view in the minimally invasive interior lifting device of maxillary sinus of one embodiment of the invention offer；
Fig. 7 is another schematic perspective view of force-applying member in the minimally invasive interior lifting device of maxillary sinus of one embodiment of the invention offer；
Fig. 8 is the minimally invasive interior lifting device force-applying member generalized section of maxillary sinus that one embodiment of the invention is provided；
Fig. 9 is the minimally invasive interior lifting device bone fixation means generalized section of maxillary sinus that one embodiment of the invention is provided.
Reference in Figure of description is as follows：
1st, bone fixation means；2nd, interior lifting member；3rd, force-applying member；11st, the first endoporus；12nd, the second endoporus；13rd, tapered slope；
21st, poppet；22nd, lifting arm；31st, force-applying member screwed hole；32nd, force-applying member arc-shaped concave；33rd, a word groove；41st, wide screw thread；
42nd, close screw thread；51st, force section.
Specific embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Drawings and Examples, are described in further detail to the present invention.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
In describing the invention, it is to be understood that term " interior ", " outward ", " on ", the orientation of the instruction such as " top " or position
The relation of putting is, based on the orientation or position relationship shown in accompanying drawing 1, to be for only for ease of the description present invention and simplify description, rather than
The device or element for indicating or implying indication must have specific orientation, with specific azimuth configuration and operation, therefore can not
It is interpreted as limitation of the present invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " arrangement ", " set
Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, can be concrete
Situation understands above-mentioned term concrete meaning in the present invention.
As shown in figure 1, minimally invasive interior lifting of a kind of maxillary sinus for Dental Implant of offer that one embodiment of the invention is provided fills
Put, wherein, including bone fixation means 1, interior lifting member 2 and force-applying member 3.As shown in Fig. 2, Fig. 3 and Fig. 9, the bone fixation means 1 be
During operation on oral cavity, to alveolus bone drilling after, for the propulsion in the bone hole and the effect of fixed position.The bone fixation means 1
Including cylindrical body, described cylindrical body is cylindric, and its external diameter is preferably 4mm-5mm, and its length is preferably 7-
9mm, which is provided with first endoporus 11 and the second endoporus 12 of insertion vertically, wherein, the internal diameter of first endoporus 11 is less than the
The internal diameter of two endoporus 12, the internal diameter of the first endoporus 11 are preferably 2.5mm-3.5mm, and 12 internal diameter of the second endoporus is preferably 3.0mm-
4.0mm.I.e. described first endoporus 11 and the second endoporus 12 are two cavitys being internally formed in the cylindrical body respectively, and
The cavity of the first endoporus 11 is less, and the cavity of the second endoporus 12 is larger.The top edge of the cylindrical body is provided with tapered slope
13.So, because the tapered slope 13 is located at the upper end of the bone fixation means 1, constitute around the top of the cylindrical body
The little inclined-plane of edge, then the bone fixation means 1 can easily in bone hole, during being lifted in the bone hole, can be effective
Realize propulsion functions.Additionally, the outer surface of the cylindrical body is provided with fixed part, the fixed part is preferably located at institute
State the tapping screw thread of cylindrical body outer surface.As such, it is possible to by way of screw thread self tapping the bone fixation means 1 with it is described
Alveolar bone is tightly fastened combination.In one embodiment, as shown in Fig. 2 the tapping screw thread along the cylindrical body from upper
And under gradually become close.So, because of screw thread width above, more down screw thread is gradually closeer, on the one hand can strengthen self tapping effect, another
Aspect can cause the bone fixation means 1 even closer and the alveolar bone secure bond.In another kind of embodiment, such as scheme
Shown in 3, the tapping screw thread includes wide screw thread 41 and close screw thread 42, and the pitch of the wide screw thread 41 is more than the close screw thread 42
Pitch, the wide screw thread 41 are located at the upper semisection of the cylindrical body, and the close screw thread 42 is located at the cylindrical body
Lower semisection.So, because of screw thread width above, screw thread below is close, can cause to protect between the bone fixation means 1 and the alveolar bone
Different grasping forces are held, is allowed to even closer with the alveolar bone secure bond.
In the present embodiment, the lower end of the cylindrical body is provided with force section 51.As such, it is possible to pass through external tool to institute
State force section 51 and apply external force, realize being tightly fastened for the bone fixation means 1.More specifically, the force section 51 is outer six
Angle stud.As such, it is possible to apply torsion, up time to the force section 51 using the interior Hexagonal jacket matched with the outer-hexagonal
Pin rotation propulsion cylindrical body, and then realize combining closely between the bone fixation means 1 and the alveolar bone.
As shown in Fig. 4-Fig. 8, in embodiments of the invention, the interior lifting device is also included for carrying out to Sinus floor
The interior lifting member 2 of interior lifting.The interior lifting member 2 includes lifting arm 22 and poppet 21, one end of the lifting arm 22 and institute
State poppet 21 to be fixedly connected, the poppet 21 is located at the upper end of the bone fixation means 1, for rushing the Sinus floor
Hit.In the present embodiment, the lifting arm 22 axially movable can be arranged in the first endoporus 11 of the cylindrical body, described
The other end of lifting arm 22 is fixedly connected with the force-applying member 3.The force-applying member 3 is located at the second endoporus of the cylindrical body
In 12, and can be along 12 axially-movable of the second endoporus；Length of the length of the lifting arm 22 more than first endoporus 11,
The difference of its length is preferably 1mm-3mm；Length of the length of the force-applying member 3 less than second endoporus 12, its length
Difference is preferably 1mm-3mm, and the external diameter of the force-applying member 3 is more than the internal diameter of first endoporus 11, and its difference is preferably
0.5mm-1.5mm.So, the poppet 21, lifting arm 22 and force-applying member 3 are connected as one, and can be along in described first
Hole 11 and the axially-movable of the second endoporus 12, when impulsive force is applied upwards to the force-applying member 3, the force-applying member 3 is transported upwards
It is dynamic, and then drive the poppet 21 to impact Sinus floor upwards；Also, the length of the lifting arm 22 because of the embodiment of the present invention
Length of the degree more than first endoporus 11, the length of the length of the force-applying member 3 less than second endoporus 12, described first
Internal diameter of the internal diameter of endoporus 11 less than the second endoporus 12, the external diameter of the force-applying member 3 are more than the internal diameter of first endoporus 11, this
A little conditions then cause the force-applying member 3 to have controllable stroke in second endoporus 12, and then ensure that the interior lifting
The range of part 2 is controllable, i.e., by impact, meet impact dynamics, also will not be excessive because of impulsive force, and causes force-applying member 3
Unrestrictedly lifted with lifting member, also controlled in maximum travel limit, in the range of such as 1mm-3mm.So, to the force-applying member
In 3 impact process, when feel fall through sense when, then can determine that and impact successfully, and because its stroke it is controllable, it is ensured that the lifting
Part will not break through mucous membrane of maxillary sinus and cause maxillary sinusitises.
In the present embodiment, the poppet 21 be one have arc-shaped concave disk, the arc-shaped concave be scrobicula face, institute
The one end for stating lifting arm 22 is fixedly connected with the core of the disk.So, when impacting Sinus floor, the disk of arc-shaped concave can
To apply appropriate shearing force to maxillary sinus bottom surface, effectively the bone impact fracture of appropriate area above bone hole can be departed from.
In the present embodiment, one end of the lifting arm 22 is provided with external screw thread, and one end of the force-applying member 3 is provided with outer with described
The screwed hole 31 of screw thread matching, lifting arm 22 are threaded connection with force-applying member 3.So, it is threaded connection, it is possible to achieve institute
The installation and removal of lifting arm 22 and force-applying member 3 are stated, is easy to clean and is sterilized.The other end of the force-applying member 3 is arc-shaped concave
32, the center of the arc-shaped concave 32 is provided with a word groove 33.As such, it is possible to conveniently with straight screwdriver alignment described
Word groove 33 is operated, and realizes the dismounting and installation of the lifting arm 22 and force-applying member 3.
The minimally invasive interior lifting device of maxillary sinus of embodiment, is worked by following function mode：
First, the lifting arm 22 of the described interior lifting member 2 sterilized is loaded the first endoporus 11 of the bone fixation means 1,
And make the poppet 21 be located at the upper end of the bone fixation means 1, by the screwed hole 31 of the force-applying member 3 and the lifting arm 22
External screw thread connection, a word groove 33 of the force-applying member 3 can be coordinated to carry out rotational fastener using straight screwdriver, complete institute
State the assembling of interior lifting device.
Then, the Dai Zhiya areas of alveolar bone are drilled by conventional tool such as reamer, that what is bored plants the hole in tooth hole
Footpath about 0.6mm less than the external diameter of the bone fixation means 1；Interior lifting device after combination near plant tooth hole, and keep the bone solid
The alignment of tapered slope 13 for determining 1 upper end of part plants tooth hole, using conventional tool such as the torsion with interior Hexagonal jacket (convention carrier)
Torque wrench entangles the force section 51 (i.e. outer-hexagonal stud) of 1 lower end of the bone fixation means, applies torsion, the interior lifting device
It is torqued in plant tooth hole, to it cannot twist.
Further, the arc-shaped concave 32 of the force-applying member 3 is withstood using conventional tool such as osteotomes, and carries out percussion applying
Impulsive force, if any the sense that falls through, that is, stops tapping, then sinus lift success；As not there is the sense that falls through, then carrier and torsion are used again
Torque wrench is twisted and advances the bone fixation means 1, to it cannot twist, is repeated to tap and is advanced, complete safely minimally invasive lifting
Sinus floor is performed the operation.
Finally, postoperative bone fixation means 1, interior lifting member 2 and force-applying member 3 are dismantled, is sterilized.
Compared with prior art, the lifting device of the embodiment of the present invention includes the force-applying member 3 being sequentially connected and interior lifting member
2, and the bone fixation means 1 being sheathed on force-applying member 3 and interior lifting member 2, the force-applying member 3 and interior lifting member 2 can be in bone fixations
Slide in part 1, realize impact function, because the length of the lifting arm 22 of the embodiment of the present invention is more than first endoporus 11
Length, the length of the force-applying member 3 are less than the length of second endoporus 12, and the internal diameter of first endoporus 11 is less than in second
The internal diameter in hole 12, the external diameter of the force-applying member 3 are more than the internal diameter of first endoporus 11, then so that the force-applying member 3 is described
There is controllable stroke in second endoporus 12, and then ensure that the stroke of the interior lifting member 2 is controllable.So, to the reinforcing
In the impact process of part 3, when feel fall through sense when, then can determine that and impact successfully, and because its stroke it is controllable, it is ensured that it is described to carry
Rise part to break through mucous membrane of maxillary sinus and cause maxillary sinusitises；Another force-applying member is shorter in length than hole length in second, is additionally operable to detection
Whether Sinus floor is lifted successfully, and when compressing force-applying member bottom, force-applying member can rise, release then declines, as successfully, not so,
The cylindrical body is advanced, force-applying member, the above-mentioned action of repetition, until being lifted successfully is tapped；Additionally, because of the force-applying member 3, interior
The integrated level of lifting member 2 and bone fixation means 1 is higher so that the lifting device light structure of the present invention, easily can apply in mouth
Intracavity carries out interior lifting operation.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (9)
1. the minimally invasive interior lifting device of a kind of maxillary sinus for Dental Implant, it is characterised in that including bone fixation means, interior lifting member and
Force-applying member,
The bone fixation means include cylindrical body, and the outer surface of the cylindrical body is provided with fixed part, the cylinder
Body is provided with first endoporus and the second endoporus of insertion vertically；
The interior lifting member includes lifting arm and poppet, and one end of the lifting arm is fixedly connected with the poppet, described
Lifting arm is arranged in the first endoporus of the cylindrical body, and the other end of the lifting arm is fixed with the force-applying member and connected
Connect, the force-applying member is located in the second endoporus of the cylindrical body；
Length of the length of the lifting arm more than first endoporus, the length of the force-applying member is less than second endoporus
Length, the internal diameter of first endoporus are less than the internal diameter of the second endoporus, and the external diameter of the force-applying member is more than first endoporus
Internal diameter；
The poppet is a disk with arc-shaped concave, and one end of the lifting arm is connected with the core fixation of the disk
Connect.
2. the minimally invasive interior lifting device of a kind of maxillary sinus for Dental Implant according to claim 1, it is characterised in that described
Fixed part is the tapping screw thread located at the cylindrical body outer surface.
3. the minimally invasive interior lifting device of a kind of maxillary sinus for Dental Implant according to claim 2, it is characterised in that it is described from
Tapping gradually becomes close from top to bottom along the cylindrical body.
4. the minimally invasive interior lifting device of a kind of maxillary sinus for Dental Implant according to claim 2, it is characterised in that described
Tapping screw thread includes wide screw thread and close screw thread, and the pitch of the wide screw thread is more than the pitch of the close screw thread, the wide screw thread position
In the upper semisection of the cylindrical body, the close screw thread is located at the lower semisection of the cylindrical body.
5. the minimally invasive interior lifting device of a kind of maxillary sinus for Dental Implant according to claim 1, it is characterised in that described
The lower end of cylindrical body is provided with force section.
6. the minimally invasive interior lifting device of a kind of maxillary sinus for Dental Implant according to claim 5, it is characterised in that described
Force section is outer-hexagonal stud.
7. the minimally invasive interior lifting device of a kind of maxillary sinus for Dental Implant according to claim 1, it is characterised in that described
Lifting arm is threaded connection with one end of the force-applying member.
8. the minimally invasive interior lifting device of a kind of maxillary sinus for Dental Implant according to claim 7, it is characterised in that described
The other end of force-applying member is arc-shaped concave, and the center of the arc-shaped concave is provided with a word groove.
9. the minimally invasive interior lifting device of a kind of maxillary sinus for Dental Implant according to claim 1, it is characterised in that described
The top edge of cylindrical body is provided with tapered slope.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410208364.9A CN103976799B (en) | 2014-05-16 | 2014-05-16 | Minimally invasive internal maxillary sinus lifting device for implanting teeth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208364.9A CN103976799B (en) | 2014-05-16 | 2014-05-16 | Minimally invasive internal maxillary sinus lifting device for implanting teeth |
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| CN103976799A CN103976799A (en) | 2014-08-13 |
| CN103976799B true CN103976799B (en) | 2017-04-19 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104523343B (en) * | 2015-01-09 | 2017-01-25 | 威海威高洁丽康生物材料有限公司 | Osteotome maxillary sinus elevation operation tool assembly |
| CN109247999B (en) * | 2018-08-10 | 2020-11-03 | 温州医科大学附属口腔医院 | Maxillary sinus mucosa stripping tool used in maxillary sinus floor lifting by alveolar ridge penetrating technology |
| CN112716628B (en) * | 2020-12-29 | 2022-11-22 | 江苏创英医疗器械有限公司 | A planting device for maxillary sinus is implanted |
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| CN101234038A (en) * | 2008-02-29 | 2008-08-06 | 四川大学华西口腔医学院 | Maxillary sinus floor elevation device |
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| CN102908201A (en) * | 2012-10-26 | 2013-02-06 | 凌晴 | Maxillary sinus floor lifting device and method |
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| KR100619145B1 (en) * | 2006-02-23 | 2006-09-06 | 송영완 | An implant drill |
| CN101234038A (en) * | 2008-02-29 | 2008-08-06 | 四川大学华西口腔医学院 | Maxillary sinus floor elevation device |
| KR20100011761A (en) * | 2008-07-25 | 2010-02-03 | 이도상 | Surgical operation system for sinus elevation |
| CN201798810U (en) * | 2010-09-28 | 2011-04-20 | 深圳市龙岗区人民医院 | Special maxillary sinus bottom lifting mechanism for tooth-planting tooth |
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| CN103976799A (en) | 2014-08-13 |
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