CN111870374A - Guide plate for oral implantation - Google Patents
Guide plate for oral implantation Download PDFInfo
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- CN111870374A CN111870374A CN202010937178.4A CN202010937178A CN111870374A CN 111870374 A CN111870374 A CN 111870374A CN 202010937178 A CN202010937178 A CN 202010937178A CN 111870374 A CN111870374 A CN 111870374A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0089—Implanting tools or instruments
- A61C8/009—Implanting tools or instruments for selecting the right implanting element, e.g. templates
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Dentistry (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention relates to the technical field of medical instruments, and discloses an oral implantation guide plate, which comprises: the guide plate comprises a guide plate body, two first fixing pieces, two second fixing pieces, a clamping piece and a locking piece, wherein the two first fixing pieces are fixedly connected with two end faces outside the guide plate body respectively, the two second fixing pieces are fixedly connected with two end faces inside the guide plate body respectively, the clamping piece and the first fixing pieces are connected with side end faces, close to the second fixing pieces, of the first fixing pieces, and the locking piece is used for fixedly connecting the first fixing pieces and the second fixing pieces which are opposite to each other. According to the invention, the first fixing part, the second fixing part and the clamping part are arranged on the two sides of the guide plate body, so that the locking part can fix the first fixing part, the second fixing part and the clamping part, the guide plate body is stably fixed on teeth, the guide plate body and the inner part of the oral cavity can be fixed without auxiliary fixation by hands of a doctor in the operation process, and meanwhile, the guide plate body is convenient to disassemble, the guide plate body is prevented from shifting, and the normal operation of the operation is ensured.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an oral implantation guide plate.
Background
With the increasing importance of people on oral health and the wide popularization of oral implantation technology in clinic, more and more patients begin to choose to implant and repair missing teeth, and the implant guide plate plays a vital role in treatment as an essential auxiliary tool in implant and repair treatment.
In the process of carrying out implantation repair treatment on a patient with dentition defect with single or multiple missing teeth, most of the existing implantation guide plates need to be fixed by hands of a doctor in an operation process, and the guide plate is easy to shift in the operation process by using a manual fixing mode, so that an implant cannot be accurately implanted according to a designed scheme, and even the implantation operation may fail.
Disclosure of Invention
The invention provides an oral implantation guide plate which can be fixed in the oral cavity of a patient without manual auxiliary fixation.
The invention provides an oral implantation guide plate, which comprises:
a guide plate body;
one side end of each first fixing piece is fixedly connected with two end faces of the outer side of the guide plate body, and the other side end of each first fixing piece extends in the axial direction far away from the guide plate body;
two second fixing pieces, one side end of each second fixing piece is fixedly connected with two end faces of the inner side of the guide plate body, the other side end of each second fixing piece extends in the axial direction far away from the guide plate body and is opposite to the first fixing piece, each second fixing piece is provided with a first through groove, the notch of each first through groove faces to one side, far away from the first fixing piece, of each second fixing piece, each second fixing piece is provided with a first through hole, each first through hole and each first through groove are coaxially arranged, each first through hole is communicated with each first through groove, each first through hole penetrates through one side face, close to the first fixing piece, of each second fixing piece, and the cross section size of;
the clamping and fixing piece is connected with the side end face, close to the second fixing piece, of the first fixing piece and is provided with a second through groove, the second through groove is coaxial with the first through hole, a notch of the second through groove faces the second fixing piece, the clamping and fixing piece is provided with two third through grooves which are symmetrically arranged by taking the axis of the second through groove as a central line, the third through grooves are perpendicular to the second through grooves, and the third through grooves are communicated with the second through grooves;
a retaining member for securing the opposed first and second securing members together, comprising:
the outer size of the first connecting sleeve is matched with the inner size of the first through groove and can be clamped into the first through groove;
the second connecting sleeve is coaxial with the first connecting sleeve, the outer dimension of the second connecting sleeve is matched with the inner dimension of the second through groove, the inner diameter of the second connecting sleeve is equal to the inner diameter of the first connecting sleeve, the first end of the second connecting sleeve is fixedly connected with one end of the first connecting sleeve, two second through holes which are symmetrically arranged are arranged at the position close to the second end, the second through holes correspond to the third through groove in the matched position in terms of dimension, and the second through holes can penetrate through the first through holes and are clamped into the upper parts of the second through grooves;
the connecting piece is fixedly connected with the second end of the second connecting sleeve, the outer size of the connecting piece is matched with the inner size of the second through groove, and the second connecting sleeve and the connecting piece are simultaneously inserted into the second through groove and can be clamped into the bottom of the second through groove;
the two moving pieces are symmetrically arranged along the axial direction of the second connecting sleeve, and one end face of each moving piece is in sliding connection with the contact end face of the connecting piece;
the clamping piece is fixedly connected with the side wall of the moving piece close to the connecting piece, the outer size of the clamping piece is matched with the inner size of the third through groove, the clamping piece corresponds to the position of the third through groove, and the clamping piece can be clamped into the third through groove;
the first springs of multiunit are located between two moving parts, and both ends link firmly with the relative lateral wall of two moving parts respectively.
Optionally, the method further includes:
the adjusting sleeve is arranged between the clamping piece and the first fixing piece, one end of the adjusting sleeve is closed, the other end of the adjusting sleeve is opened, the closed end of the adjusting sleeve is connected with one side surface of the first fixing piece close to the second fixing piece, and the opened end of the adjusting sleeve is sleeved on the periphery of the clamping piece and is in sliding connection with the clamping piece;
and the multiple groups of second springs are arranged in the adjusting sleeve, one end of each second spring is fixedly connected with the inner wall of the closed end of the adjusting sleeve, and the other end of each second spring is fixedly connected with the outer end face of the clamping piece.
Optionally, the peripheral wall of the clamping member has a plurality of longitudinal sliding grooves, the inner wall of the adjusting sleeve has a longitudinal sliding rail, and the sliding rail corresponds to the sliding grooves in position and is in sliding fit with the sliding grooves so that the adjusting sleeve and the clamping member can slide relatively.
Optionally, the end face of the second fixing part, which is close to the first fixing part, is provided with a plurality of guide pillars, the clamping and fixing part is provided with a guide groove, the guide groove is matched with the guide pillars in a size corresponding to the position of the guide pillars, and the guide pillars can be inserted into the guide groove.
Optionally, the cross section of the guide pillar is trapezoidal.
Optionally, the adjusting sleeve is slidably connected to the first fixing member.
Optionally, opposite sides of the two moving parts are respectively fixedly connected with a pull ring.
Optionally, the lateral wall of baffle body has the latch segment, and the latch segment has the screw hole along its axial, and the fluting screw runs through the screw hole and tightly supports the lateral wall of baffle body.
Compared with the prior art, the invention has the beneficial effects that: the first fixing piece, the second fixing piece and the clamping piece are arranged on the two sides of the guide plate body, so that the locking piece can fix the first fixing piece, the second fixing piece and the clamping piece, the guide plate body is stably fixed on teeth, the guide plate body and the inside of the oral cavity can be fixed without auxiliary fixation by hands of a doctor in an operation process, the guide plate body is convenient to disassemble, the guide plate body is prevented from moving, normal operation and accurate implantation of an implant are guaranteed, meanwhile, the first fixing piece, the second fixing piece, the clamping piece and the locking piece can be sterilized and disinfected at high temperature and high pressure, the guide plate body can be used on guide plate bodies of different patients for multiple times, and the cost of hospitals and patients is reduced.
Drawings
FIG. 1 is a schematic structural view of an oral implantation guide plate according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view at G of FIG. 1;
fig. 3 is a schematic structural view of a retaining member according to an embodiment of the present invention.
Description of reference numerals:
1-a fence body, 2-a first fixing piece, 3-a second fixing piece, 4-a first through groove, 5-a first through hole, 6-a clamping piece, 7-a second through groove, 8-a third through groove, 910-a first connecting sleeve, 911-a second connecting sleeve, 912-a second through hole, 913-a connecting piece, 914-a moving piece, 915-a clamping piece, 916-a first spring, 917-a pull ring, 10-an adjusting sleeve, 11-a second spring, 12-a slide rail, 13-a guide pillar, 14-a guide groove, 15-a locking block, and 16-a slotted screw.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, an oral implantation guide plate according to an embodiment of the present invention includes: the guide plate comprises a guide plate body 1, two first fixing pieces 2, two second fixing pieces 3, a clamping piece 6 and a locking piece, wherein one side ends of the two first fixing pieces 2 are fixedly connected with two end faces outside the guide plate body 1 respectively, the other side ends of the two first fixing pieces extend towards the axial direction far away from the guide plate body 1, one side ends of the two second fixing pieces 3 are fixedly connected with two end faces inside the guide plate body 1 respectively, the other side ends of the two second fixing pieces extend towards the axial direction far away from the guide plate body 1 and are opposite to the positions of the first fixing pieces 2, the second fixing pieces 3 are provided with first through grooves 4, notches of the first through grooves 4 face one sides, far away from the first fixing pieces 2, the second fixing pieces 3 are provided with first through holes 5, the first through holes 5 are coaxially arranged with the first through grooves 4, the first through holes 5 are communicated with the first through grooves 4, the first through holes 5 penetrate through one side faces, close to the first fixing pieces, card firmware 6 is connected near the side end face of second mounting 3 with first mounting 2, second through-groove 7 has, second through-groove 7 is coaxial with first through-hole 5, the notch that the second led to groove 7 is towards second mounting 3, it leads to groove 8 to have two third that use the axis of second through-groove 7 to set up as the central line symmetry, the third leads to groove 8 perpendicular to second through-groove 7 and sets up, third through-groove 8 and second through-groove 7 intercommunication, the retaining member is used for linking firmly together relative first mounting 2 and second mounting 3, the retaining member includes: the connecting device comprises a first connecting sleeve 910, a second connecting sleeve 911, a connecting piece 913, two moving pieces 914, a clamping piece 915 and a plurality of groups of first springs 916, wherein the outer dimension of the first connecting sleeve 910 is matched with the inner dimension of a first through groove 4 and can be clamped into the first through groove 4, the second connecting sleeve 911 is coaxially arranged with the first connecting sleeve 910, the outer dimension is matched with the inner dimension of a second through groove 7, the inner diameter of the second connecting sleeve is equal to the inner diameter of the first connecting sleeve 910, the first end of the first connecting sleeve 910 is fixedly connected with one end of the first connecting sleeve 910, two second through holes 912 are symmetrically arranged near the second end, the size matching positions of the second through holes 912 and the third through groove 8 correspond to each other and can penetrate through the first through hole 5 and can be clamped into the upper part of the second through groove 7, the connecting piece 913 is fixedly connected with the second end of the second connecting sleeve 911, the outer dimension of the second connecting sleeve is matched with the inner, the bottom of second through groove 7 can be gone into to the card, the axial symmetry setting of second adapter sleeve 911 is followed to two moving members 914, the contact terminal surface sliding connection of an terminal surface and connecting piece 913, chucking spare 915 links firmly near connecting piece 913 with the lateral wall of moving member 914, the internal dimension cooperation of external dimension and third through groove 8, correspond with the position of third through groove 8, can go into in the third through groove 8, the first spring 916 of multiunit is located between two moving members 914, both ends link firmly with the relative lateral wall of two moving members 914 respectively.
The use method and the working principle are as follows: when the guide plate is used, the guide plate body 1 is clamped into teeth of a patient, the first fixing part 2 and the second fixing part 3 are positioned on two sides of the teeth, the locking part is sequentially clamped into the second fixing part 3 and the clamping part 6, the connecting part 913 is clamped into the bottom of the second through groove 7, the clamping part 915 passes through the second through hole 912 and is clamped into the third through groove 8, the second connecting sleeve 911 is simultaneously clamped into the upper parts of the first through hole 5 and the second through groove 7, the first connecting sleeve 910 is clamped into the first through groove 4, so that the first fixing part 2 and the second fixing part 3 are fixedly connected, when the guide plate body 1 needs to be disassembled, the two moving parts 914 are mutually tensioned until the clamping part 915 is separated from the third through groove 8, the first fixing part 2 and the second fixing part 3 can be separated by lifting the locking part, the guide plate body 1 can be disassembled, the first spring 916 ensures that the clamping part is always positioned in the third through groove 8 in the operation process 915, the first fixing member 2 and the second fixing member 3 are firmly fixed.
The first fixing piece, the second fixing piece and the clamping piece are arranged on the two sides of the guide plate body, so that the locking piece can fix the first fixing piece, the second fixing piece and the clamping piece, the guide plate body is stably fixed on teeth, the guide plate body and the inside of the oral cavity can be fixed without auxiliary fixation by hands of a doctor in an operation process, the guide plate body is convenient to disassemble, the guide plate body is prevented from moving, normal operation and accurate implantation of an implant are guaranteed, meanwhile, the first fixing piece, the second fixing piece, the clamping piece and the locking piece can be sterilized and disinfected at high temperature and high pressure, the guide plate body can be used on guide plate bodies of different patients for multiple times, and the cost of hospitals and patients is reduced.
The oral implantation guide plate provided by the embodiment of the invention further comprises: the adjusting sleeve 10 is arranged between the clamping piece 6 and the first fixing piece 2, one end of the adjusting sleeve 10 is closed, the other end of the adjusting sleeve is open, the closed end of the adjusting sleeve is connected with one side face, close to the second fixing piece 3, of the first fixing piece 2, the open end of the adjusting sleeve is arranged on the periphery of the second fixing piece 3 and is in sliding connection with the second fixing piece 3, the multiple groups of second springs 11 are arranged in the adjusting sleeve 10, one end of each second spring is fixedly connected with the inner wall of the closed end of the adjusting sleeve 10, and the other end of each second spring is.
The use method and the working principle are as follows: when the distance between the front side wall and the rear side wall of the guide plate body 1 is large, the adjusting sleeve 10 moves towards the direction far away from the clamping piece 6, so that the distance between the first fixing piece 2 and the second fixing piece 3 is increased, when the distance between the front side wall and the rear side wall of the guide plate body 1 is small, the adjusting sleeve 10 moves towards the direction close to the clamping piece 6, so that the distance between the first fixing piece 2 and the second fixing piece 3 is reduced, the second fixing piece 3 and the clamping piece 6 are guaranteed to be in contact with each other all the time, and the guide plate body 1 with various different sizes can be met only by a fixing device with one specification, resources are saved, the cost is reduced, and meanwhile, the stable connection of the first fixing piece 2 and the second.
Optionally, the outer peripheral wall of the clamping member 6 has a plurality of longitudinal sliding grooves, the inner wall of the adjusting sleeve 10 has longitudinal sliding rails 12, the sliding rails 12 correspond to the sliding grooves in position and are in sliding fit with the sliding grooves so that the adjusting sleeve 10 and the clamping member 6 can slide relatively, the moving direction of the adjusting sleeve 10 is always kept on a line and cannot rotate relative to the clamping member 6, and the stable connection between the locking member and the second fixing member 3 and the clamping member 6 is ensured.
In this embodiment, the end surface of the second fixing part 3 close to the first fixing part 2 is provided with a plurality of guide posts 13, the clamping part 6 is provided with a guide groove 14, the guide groove 14 is matched with the guide posts 13 in corresponding size, the guide posts 13 can be inserted into the guide groove 14, and the guide posts 13 are clamped into the guide groove 14, so that accurate alignment of the first through hole 5 and the second through hole 7 is ensured, and stable connection of the locking part with the second fixing part 3 and the clamping part 6 is ensured.
Specifically, the guide post 13 has a trapezoidal cross section, which facilitates the insertion of the guide post 13 into the guide slot 14.
Optionally, the adjusting sleeve 10 is slidably connected to the first fixing member 2, and if the first through hole 5 and the second through groove 7 cannot be aligned completely due to an error, the first through hole 5 and the second through groove 7 can be aligned accurately by fine-tuning the position of the adjusting sleeve 10 on the first fixing member 2, so that the stable connection of the locking member with the second fixing member 3 and the clamping member 6 is further ensured.
Specifically, the two moving members 914 are respectively connected to pull rings 917 at opposite sides thereof, and the two moving members 914 can be moved closer to each other by pulling the pull rings 917 with a tweezers or the like.
Optionally, the lateral wall of baffle body 1 has latch segment 15, latch segment 15 has the screw hole along its axial, slotted screw 16 runs through the screw hole and tightly supports the lateral wall of baffle body 1, in this embodiment, locate the middle part position of baffle body 1 with latch segment 15, first mounting 2 and second mounting 3 are fixed the back in the both sides of baffle body 1, in order to be fixed in baffle body 1 on the tooth, again through with slotted screw 16 screw in latch segment 15 until slotted screw 16 front end tightly supports the lateral wall of baffle body 1, further make baffle body 1 closely fixed with the tooth at the intermediate position, the rigidity of baffle body 1 in the oral cavity has further been guaranteed.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (8)
1. An oral implantation guide plate comprising: the baffle body (1), its characterized in that still includes:
one end of each first fixing piece (2) is fixedly connected with two end faces of the outer side of the guide plate body (1), and the other end of each first fixing piece extends in the axial direction far away from the guide plate body (1);
two second fixing pieces (3), one side end of each second fixing piece is fixedly connected with two end faces of the inner side of the guide plate body (1), the other side end of each second fixing piece extends in the axial direction far away from the guide plate body (1) and is opposite to the first fixing piece (2), a first through groove (4) is formed in the other side end of each second fixing piece, the notch of each first through groove (4) faces to one side, far away from the first fixing piece (2), of each second fixing piece (3), a first through hole (5) is formed in the first through groove (4) in a coaxial mode, the first through holes (5) are communicated with the first through grooves (4), the first through holes (5) penetrate through one side face, close to the first fixing pieces (2), of the second fixing pieces (3), and the cross section size of the first through grooves (4) is larger than that of the first through holes (5);
the clamping piece (6) is connected with the side end face, close to the second fixing piece (3), of the first fixing piece (2), and is provided with a second through groove (7), the second through groove (7) is coaxial with the first through hole (5), the cross section size of the second through groove (7) is equal to that of the first through hole (5), a notch of the second through groove (7) faces the second fixing piece (3) and is provided with two third through grooves (8) symmetrically arranged by taking the axis of the second through groove (7) as a central line, the third through grooves (8) are perpendicular to the second through groove (7), and the third through grooves (8) are communicated with the second through groove (7);
a retaining member for securing the opposed first (2) and second (3) retaining members together, comprising:
the outer size of the first connecting sleeve (910) is matched with the inner size of the first through groove (4) and can be clamped into the first through groove (4);
the second connecting sleeve (911) is coaxially arranged with the first connecting sleeve (910), the outer dimension of the second connecting sleeve is matched with the inner dimension of the second through groove (7), the inner diameter of the second connecting sleeve is equal to the inner diameter of the first connecting sleeve (910), the first end of the second connecting sleeve is fixedly connected with one end of the first connecting sleeve (910), two second through holes (912) which are symmetrically arranged are arranged at the position close to the second end of the second connecting sleeve, the size matching positions of the second through holes (912) and the third through groove (8) correspond to each other, and the second through holes can penetrate through the first through holes (5) and are clamped into the upper part of the second through groove (7);
the connecting piece (913) is fixedly connected to the second end of the second connecting sleeve (911), the outer size of the connecting piece is matched with the inner size of the second through groove (7), and the second connecting sleeve (911) and the connecting piece (913) are simultaneously inserted into the second through groove (7) and can be clamped into the bottom of the second through groove (7);
the two moving parts (914) are symmetrically arranged along the axial direction of the second connecting sleeve (911), and one end face of each moving part is in sliding connection with the contact end face of the connecting part (913);
the clamping piece (915) is fixedly connected with the side wall of the moving piece (914) close to the connecting piece (913), the outer size of the clamping piece is matched with the inner size of the third through groove (8), the clamping piece corresponds to the position of the third through groove (8), and the clamping piece can be clamped into the third through groove (8);
and the multiple groups of first springs (916) are arranged between the two moving parts (914), and two ends of the first springs are fixedly connected with the opposite side walls of the two moving parts (914) respectively.
2. The oral implant guide of claim 1, further comprising:
the adjusting sleeve (10) is arranged between the clamping piece (6) and the first fixing piece (2), one end of the adjusting sleeve is closed, the other end of the adjusting sleeve is opened, the closed end of the adjusting sleeve is connected with one side face, close to the second fixing piece (3), of the first fixing piece (2), and the opened end of the adjusting sleeve is sleeved on the periphery of the clamping piece (6) and is in sliding connection with the clamping piece;
and the multiple groups of second springs (11) are arranged in the adjusting sleeve (10), one end of each second spring is fixedly connected with the inner wall of the closed end of the adjusting sleeve (10), and the other end of each second spring is fixedly connected with the outer end face of the clamping piece (6).
3. The oral implanting guide plate as set forth in claim 2, characterized in that the outer peripheral wall of the fastener (6) has a plurality of longitudinal sliding grooves, and the inner wall of the adjusting sleeve (10) has a longitudinal sliding rail (12), and the sliding rail (12) corresponds to the sliding grooves in position and is slidably engaged with the fastener (6) to enable the adjusting sleeve (10) and the fastener (6) to slide relatively.
4. The dental implant guide of claim 1, wherein the second fixing member (3) has a plurality of guide posts (13) near the end surface of the first fixing member (2), the fastener (6) has a guide groove (14), the guide groove (14) is corresponding to the guide posts (13) in size, and the guide posts (13) can be inserted into the guide groove (14).
5. The dental implant guide of claim 4, wherein the guide post (13) is trapezoidal in cross-section.
6. The oral implant guide according to claim 2, characterized in that the adjustment sleeve (10) is slidably connected to the first fixture (2).
7. The dental implant guide of claim 1, wherein opposite sides of the two moving members (914) are each attached with a pull ring (917).
8. The dental implant guide of claim 1, wherein the outer side wall of the guide body (1) has a locking block (15), the locking block (15) has a threaded hole along its axial direction, and a slotted screw (16) penetrates the threaded hole and is tightened against the outer side wall of the guide body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010937178.4A CN111870374B (en) | 2020-09-08 | 2020-09-08 | Guide plate for oral implantation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010937178.4A CN111870374B (en) | 2020-09-08 | 2020-09-08 | Guide plate for oral implantation |
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| Publication Number | Publication Date |
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| CN111870374A true CN111870374A (en) | 2020-11-03 |
| CN111870374B CN111870374B (en) | 2021-08-10 |
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| CN202010937178.4A Active CN111870374B (en) | 2020-09-08 | 2020-09-08 | Guide plate for oral implantation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113229967A (en) * | 2021-05-10 | 2021-08-10 | 西安交通大学口腔医院 | Guide plate fixing device is planted in oral cavity |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113229967A (en) * | 2021-05-10 | 2021-08-10 | 西安交通大学口腔医院 | Guide plate fixing device is planted in oral cavity |
| CN113229967B (en) * | 2021-05-10 | 2022-06-21 | 西安交通大学口腔医院 | Guide plate fixing device is planted in oral cavity |
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