CN212261576U

CN212261576U - A appurtenance for oral planting

Info

Publication number: CN212261576U
Application number: CN202020552776.5U
Authority: CN
Inventors: 方旭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-01-01
Anticipated expiration: 2030-04-14

Abstract

The utility model provides an auxiliary tool for oral planting, which comprises an inner ruler (1), an outer ruler (2), a gear (3) and a shell (4), wherein the inner ruler (1) and the outer ruler (2) are respectively provided with a rack, the racks of the inner ruler and the outer ruler are respectively meshed with the gear (3), the shell (4) is provided with a positioning ruler (5), the inner ruler (1) is fixedly connected with an inner ruler limiting ruler (6), the outer ruler (2) is fixedly connected with an outer ruler limiting ruler (7), the inner ruler limiting ruler (6) and the outer ruler limiting ruler (7) are positioned at two sides of the positioning ruler (5) in the initial state, the distance between the inner ruler and the positioning ruler (5) is the same, the positioning ruler (5), the inner ruler limiting ruler (6) and the outer ruler limiting ruler (7) are respectively provided with a central positioning mark (9), and the central positioning marks (9) of the inner ruler, the inner ruler and the outer ruler are positioned on the same horizontal line, the utility model has the advantages that, with this structure, the center of the planting position can be accurately positioned.

Description

A appurtenance for oral planting

[ technical field ] A method for producing a semiconductor device

The utility model relates to an appurtenance for oral planting belongs to the medical equipment field.

[ background of the invention ]

The common design of the implant is about 3mm at the minimum, and taking 3mm implant as an example, the minimum spacing of the crown part is less than 5mm, and the neck part is less than 6mm, which is not suitable for the implant treatment. When implanting surgery in the mouth, the mesial-distal direction: the implant implantation position needs to be placed at the midpoint position near and far from the deletion position; the near-far distance of the missing position needs to be known, so that the position can be known to place an implant with a proper diameter; buccal and lingual directions: the posterior dental implant needs to be placed in the middle of the dentition, and the shoulder of the anterior dental implant needs to be placed at the position of 1.5-2.0mm measured on the palate of the ideal appearance high point; after the window and other bones for healing the closed window are combined, the closed screw needs to be replaced by a healing base station.

At present, the method for measuring the implant position of an implant adopts caliper measurement or CBCT measurement, the near-far-middle distance of the implant position is firstly measured, and then divided by two to obtain the central distance of the implant position, and by adopting the two methods, the near-far-middle distance of the implant position can be preliminarily measured and the central distance of the implant position can be calculated.

[ Utility model ] content

The utility model aims to solve the technical problem that an appurtenance for oral planting is provided for the planting body can accurately be fixed a position the center of planting the position.

In order to solve the technical problem, the utility model discloses an preferred structure for appurtenance for oral cavity is planted includes interior chi, outer chi, gear and shell, all be equipped with the rack on interior chi and the outer chi, and the rack of the two respectively with gear engagement, be sliding connection between interior chi and the outer chi and the shell, and along the slip direction of interior chi or outer chi, the gear with shell relative positioning, be equipped with the location chi on the shell, interior chi spacing chi is being connected to interior chi fixed connection, outer chi spacing chi is being connected to outer chi fixed connection, during initial condition, interior chi spacing chi and the both sides that the outer chi is located the location chi, and the distance between the two and the location chi is the same, all be equipped with the central location sign on location chi, interior chi spacing chi and the outer chi spacing chi, and the central location sign of three is located same water flat line.

After the structure is adopted, firstly, the auxiliary tool for oral implantation comprises an inner ruler, an outer ruler, a gear and a shell, wherein the inner ruler and the outer ruler are respectively provided with a rack, the racks of the inner ruler and the outer ruler are respectively meshed with the gear, the inner ruler and the outer ruler synchronously move through a gear-rack mechanism, the inner ruler and the outer ruler are both in sliding connection with the shell, and along the sliding direction of the inner ruler or the outer ruler, the gear and the shell are relatively positioned, namely when the inner ruler and the outer ruler move relative to the shell, the gear only rotates relative to the shell, the shell is provided with a positioning ruler, the inner ruler is fixedly connected with an inner ruler limiting ruler, the outer ruler is fixedly connected with an outer ruler limiting ruler, when in an initial state, the initial state refers to the state that the distance between the inner ruler limiting ruler and the outer ruler is the smallest, the tool is in a state, the inner ruler and the outer ruler limiting rulers are positioned at two sides of the positioning ruler, and the distance between the positioning ruler and the positioning ruler is the same, so that the positioning ruler is positioned at the central position of the inner ruler limiting ruler and the central position of the outer ruler limiting ruler, and when the inner ruler moves relative to the outer ruler, the positioning ruler is still positioned at the central position of the inner ruler limiting ruler and the central position of the outer ruler limiting ruler, the positioning ruler, the inner ruler limiting ruler and the outer ruler limiting ruler are all provided with central positioning marks, and the central positioning marks of the positioning ruler, the inner ruler limiting ruler and the outer ruler are positioned on the same horizontal line, so that a user can accurately position the central position of planting.

Secondly, among the prior art, implant according to the both sides tooth of planting the position, survey the nearly distance of planting the position through slide caliper rule or CBCT, divide by two again and obtain the central distance of planting the position, and based on above-mentioned structure, this device fixes a position the nearly distance of planting the position through interior chi spacing chi and outer chi spacing chi, and at this moment, the location chi just is in central point, need not calculate again and reachs, adopts the mode of location chi, can pinpoint the center of planting the position to implant at this position.

Based on above-mentioned structure, this instrument is when using, at first fix a position the horizontal central point of planting the position through the location chi, the horizontal range direction that indicates near oral cavity inside planting position tooth of planting the position, secondly, place the central point that plants position both sides tooth respectively with the central point location sign of interior chi spacing chi and outer chi spacing chi, because the location chi, the central point location sign on interior chi spacing chi and the outer chi spacing chi is located same water flat line, make the central point location sign on the location chi fix a position the vertical central point of planting the position, through the double localization of horizontal central point and vertical central point, the plane central point of planting the position is found to the accuracy, make more accurate during the planting.

Preferably, the inner ruler limiting ruler and the outer ruler limiting ruler both comprise a connecting portion, a bending portion and a measuring portion, one end of the connecting portion is connected with the inner ruler or the outer ruler, the other end of the connecting portion is connected with one end of the bending portion, and the other end of the bending portion is connected with the measuring portion.

Preferably, the connecting portion of the inner gauge and the outer gauge is in contact with the housing in an initial state, and a distance between the measuring portion of the inner gauge and the measuring portion of the outer gauge is 5 mm.

Preferably, the measuring parts of the inner and outer gauges are both in contact with the positioning gauge in an initial state, and the distance between the measuring part of the inner gauge and the measuring part of the outer gauge is 5mm at this time.

Preferably, one end of the inner ruler or the outer ruler is fixedly connected with a push rod, the shell is fixedly connected with a handle, the push rod and the handle are located on the same side, or one ends of the inner ruler and the outer ruler are fixedly connected with push rods, and the push rods of the inner ruler and the outer ruler are located on the same side, relative to the two sides of the shell.

Preferably, the inner ruler or/and the outer ruler is/are provided with scale marks for measurement.

Preferably, the positioning ruler is provided with a long hole, and scale marks for measurement are arranged around the long hole.

Preferably, the inner ruler and the outer ruler are relatively fixed through a fastening screw, the outer ruler is in threaded connection with the fastening screw, and when the inner ruler and the outer ruler are relatively fixed, one end of the fastening screw presses the inner ruler.

Preferably, the inner ruler is provided with a threaded hole, the outer ruler is provided with a through hole, the fastening screw is inserted into the through hole, and when the inner ruler and the outer ruler are relatively fixed, the fastening screw is matched with the threaded hole.

Preferably, a sliding groove is formed in the shell, the inner ruler and the outer ruler slide in the sliding groove, and a limiting block used for limiting the inner ruler and the outer ruler is arranged at an opening of the sliding groove.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be described in further detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of an auxiliary tool according to a first embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view of an auxiliary tool in an initial state according to an embodiment;

FIG. 4 is a schematic view of the outer ruler and the chute according to the first embodiment;

FIG. 5 is a schematic view showing the relative fixation of the outer ruler and the inner ruler by the fastening screw according to the first embodiment;

FIG. 6 is a schematic view of an auxiliary tool according to a second embodiment;

FIG. 7 is a schematic view showing the relative fixation of the outer ruler and the inner ruler by the fastening screw according to the third embodiment;

FIG. 8 is an enlarged view of a portion of FIG. 7;

fig. 9 is a partially enlarged view of fig. 7.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the following description, the terms "inside", "outside", "upper", "lower", "left", "right", and the like, which indicate orientations or positional relationships, are used to indicate orientations or positional relationships based on the drawings, and are only used for convenience in describing embodiments and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The first embodiment is as follows:

as shown in fig. 1 and 2, the preferred structure of the auxiliary tool for oral cavity implantation in this embodiment includes an inner rule 1, an outer rule 2, a gear 3 and a housing 4, wherein the inner rule 1 and the outer rule 2 are respectively provided with a rack, the racks of the inner rule 1 and the outer rule 2 are respectively engaged with the gear 3, the inner rule 1 and the outer rule 2 are both slidably connected with the housing 4, the gear 3 and the housing 4 are relatively positioned along the sliding direction of the inner rule 1 or the outer rule 2, the housing 4 is provided with a positioning rule 5, the inner rule 1 is fixedly connected with an inner rule limit rule 6, the outer rule 2 is fixedly connected with an outer rule limit rule 7, when in an initial state, the inner rule 6 and the outer rule 7 are located at two sides of the positioning rule 5, and the distance between the inner rule 6 and the outer rule 5 is the same, the positioning rule 5, the inner rule 6 and the outer rule 7 are respectively provided with a central positioning mark 9, and the central positioning marks 9 of the three are positioned on the same horizontal line.

After the structure is adopted, firstly, the auxiliary tool for oral implantation comprises an inner ruler 1, an outer ruler 2, a gear 3 and a shell 4, wherein the inner ruler 1 and the outer ruler 2 are respectively provided with a rack, the racks of the inner ruler 1 and the outer ruler 2 are respectively meshed with the gear 3, the inner ruler 1 and the outer ruler 2 synchronously move through a gear 3 and rack mechanism, the inner ruler 1 and the outer ruler 2 are in sliding connection with the shell 4, the gear 3 and the shell 4 are relatively positioned along the sliding direction of the inner ruler 1 or the outer ruler 2, namely, when the inner ruler 1 and the outer ruler 2 move relative to the shell 4, the gear 3 only rotates relative to the shell 4, the shell 4 is provided with a positioning ruler 5, the inner ruler 1 is fixedly connected with an inner ruler limiting ruler 6, the outer ruler 2 is fixedly connected with an outer ruler limiting ruler 7, when in an initial state, the initial state means that the distance between the inner ruler 6 and the outer ruler 7 is the smallest, the state that this instrument was located, interior chi spacing chi 6 and outer chi spacing chi 7 are located the both sides of positioning chi 5, and the distance between the two and the positioning chi 5 is the same for positioning chi 5 is in the central point of interior chi spacing chi 6 and outer chi spacing chi 7 and puts, and during interior chi 1 and the relative motion of outer chi 2, positioning chi 5 still is in the central point of interior chi spacing chi 6 and outer chi spacing chi 7 and puts, all be equipped with central location sign 9 on positioning chi 5, interior chi spacing chi 6 and the outer chi spacing chi 7, and three's central location sign 9 is located same water flat line, makes the user can the accurate positioning to the central point of planting put.

Secondly, among the prior art, implant according to the both sides tooth of planting the position, survey the nearly distance of planting the position through slide caliper rule or CBCT, divide by two again and obtain the central distance of planting the position, and based on above-mentioned structure, this device fixes a position the nearly distance of planting the position through interior chi spacing chi 6 and outer chi spacing chi 7, and at this moment, location chi 5 just is in central point, need not calculate again and reachs, adopts the mode of location chi 5, can pinpoint the center of planting the position to implant at this position.

Based on above-mentioned structure, this instrument is when using, at first fix a position the horizontal central point of planting the position through positioning ruler 5, the horizontal range direction that indicates near oral cavity inside planting position tooth of planting the position, secondly, place the central point that plants position both sides tooth respectively in central point with the central point location sign 9 of interior chi spacing chi 6 and outer chi spacing chi 7 earlier, because positioning ruler 5, the central point location sign 9 on interior chi spacing chi 6 and the outer chi spacing chi 7 is located same water flat line, make the vertical central point of planting position be fixed a position to central point location sign 9 on the positioning ruler 5, through the double localization of horizontal central point and vertical central point, the plane central point of planting the position is found to the accuracy, make when planting more accurate.

Based on the structure, the positioning rule 5 is fixed relative to the shell 4, the gear 3 is fixed relative to the shell 4 along the sliding direction of the inner rule 1 or the outer rule 2, when the inner rule 1 or the outer rule 2 slides, the gear 3 and the positioning rule 5 are relatively fixed along the sliding direction of the inner rule 1 or the outer rule 2, when a user pushes the push rod, one of the inner ruler 1 and the outer ruler 2 moves and drives the other to move through the gear 3, when the inner ruler 1 and the outer ruler 2 move, the inner ruler limiting ruler 6 and the outer ruler limiting ruler 7 are driven to move, in the initial position, the inner ruler limiting ruler 6 and the outer ruler limiting ruler 7 are positioned at two sides of the positioning ruler 5, and the distance between the two and the positioning ruler 5 is the same, namely, the positioning rule 5 is positioned at the center of the inner rule limiting rule 6 and the outer rule limiting rule 7, and when the gear 3 moves, the positioning rule 5 is always positioned at the center of the inner rule limiting rule 6 and the outer rule limiting rule 7.

Wherein, the position of locating rule 5 on shell 4 can be located its intermediate position, also can not be located its intermediate position, only need to guarantee that interior chi spacing chi 6 and the distance between outer chi spacing chi 7 and the locating rule 5 is the same can.

In order to optimize the structure, as shown in fig. 3, it is preferable that the inner ruler limit ruler 6 and the outer ruler limit ruler 7 of the present embodiment each include a connecting portion, a bent portion and a measuring portion, the connecting portion is a portion for connecting, which is vertically disposed at an angle, the bent portion is a bent portion, which is horizontally disposed or angularly disposed, the measuring portion is a portion for measuring teeth at both sides of the planting position in contact with the planting position, which is vertically disposed or angularly disposed, one end of the connecting portion is connected to the inner ruler 1 or the outer ruler 2, the other end thereof is connected to one end of the bent portion, the other end of the bent portion is connected to the measuring portion, wherein a bending angle exists between the connecting portion and the bent portion, a bending angle exists between the bent portion and the measuring portion, and the highest horizontal height of the bent portion is lower than the bottom surface height of the case 4, so that the bent portion and the measuring portion can move below the case 4, and is not blocked and limited by the housing 4.

In order to quickly judge whether the planting position is suitable for planting, the connecting part of the inner ruler limiting ruler 6 and the outer ruler limiting ruler 7 is preferably contacted with the shell 4 in the initial state, and the distance between the measuring part of the inner ruler limiting ruler 6 and the measuring part of the outer ruler limiting ruler 7 is 5mm at this moment, as known in the prior art, when the length of the planting position of the implant is less than 5mm, the implant treatment is not suitable, so before the planting operation, whether the planting position is suitable for planting or not needs to be confirmed, the prior method adopts a caliper or CBCT to measure the length of the planting position, when the length of the planting position is less than 5mm, the planting treatment is not carried out, but the method is troublesome in use, the specific length of the planting position needs to be measured firstly, when the scheme is adopted, because the connecting part of the inner ruler limiting ruler 6 and the outer ruler limiting ruler 7 is contacted with the shell 4 in the initial state, through the motion of 4 spacing interior chi spacing rules 6 of shell and the spacing chi 7 of outer chi, make the distance between interior chi spacing rules and the spacing chi of outer chi minimum, when confirming planting the position and whether being fit for planting, only need stretch into planting the position with the part of this appurtenance's interior chi spacing rules 6 and outer chi spacing rules 7, if can put into planting the position, then can plant the treatment, if can not put into planting the position, then be unsuitable for planting the treatment, adopt this kind of structure can judge fast whether suitable planting of planting the position, make it more convenient when the user uses.

Wherein, the length of the preferred shell 4 of this instrument is 25mm, and the portion of bending of interior chi spacing chi 6 and outer chi spacing chi 7 is 10mm, when interior chi spacing chi 6 with outer chi spacing chi 7 the connecting portion with when the shell 4 contact was spacing, the distance between interior chi spacing chi 6 and the outer chi spacing chi 7 was 5mm promptly.

In order to optimize the structure, in this embodiment, it is preferable that one end of the inner ruler 1 or the outer ruler 2 is fixedly connected with a push rod 8, the outer casing 4 is fixedly connected with a handle, the push rod 8 and the handle are located on the same side, or one end of the inner ruler 1 and one end of the outer ruler 2 are both fixedly connected with a push rod 8, and the push rods 8 of the inner ruler 1 and the outer ruler 2 are located on the same side, relative to the two sides of the outer casing 4, so that the inner ruler 1 and the outer ruler 2 can be driven to move relatively by pushing the push rod 8, thereby performing measurement, when performing oral surgery, because the patient has a small opening, the inner ruler 1 and the outer ruler 2 cannot be directly operated by hand, and with the above structure, the user can hold the handle with one hand and push the push rod 8 with the other hand, or hold the push rods 8 of the inner ruler 1 and the outer ruler 2 with two hands respectively, and drive the, and then drive interior chi spacing chi 6 and the both sides tooth that the outside chi spacing chi 7 moved and supported the planting position, make the user can be at the oral cavity external operation instrument, thereby it is more convenient easy when making this instrument use, in addition, interior chi 1 and the length of outer chi 2 upper push rod 8 can change, when the mode of selecting to hold when operation instrument, hold for the person of facilitating the use, push rod 8 on the interior chi 1 is longer than the push rod 8 on the outer chi 2, when the mode of selecting two hands simultaneous operation push rod 8, push rod 8 length on the interior chi 1 and the push rod 8 length on the outer chi 2 can change, only guarantee that the user can operate push rod 8 can.

In order to accurately measure the near distance and the far distance of the planting position, the inner ruler 1 or/and the outer ruler 2 are preferably provided with scale marks for measurement, the device is used for oral planting, the measured values are all micro values, in order to ensure the accuracy of measurement, the accuracy of the scales on the inner ruler 1 or/and the outer ruler 2 can be 0.5mm, and in addition, the accuracy of accurate measurement can also be measured by adding a vernier.

In order to facilitate the planting of the anterior teeth, it is preferable that the positioning ruler 5 is provided with a long hole, scale marks for measurement are arranged around the long hole, generally, the posterior teeth are planted at the central position measured by the tool, the shoulder of the anterior tooth implant needs to be placed at the position 1.5-2.0mm measured on the palate of the ideal outline high point, the anterior teeth can be planted according to the scale marks through the scale marks on the positioning ruler 5, so that the anterior teeth can be planted through the tool, during the operation, firstly, the drill passes through the long hole to drill and position, after the position to be planted is obtained, the tool is firstly taken away, and then the implant is planted.

In order to relatively fix the inner ruler 1 and the outer ruler 2, as shown in fig. 4, it is preferable that the inner ruler 1 and the outer ruler 2 are relatively fixed by a fastening screw 10, the outer ruler 2 and the fastening screw 10 are in threaded connection, when the inner ruler 1 and the outer ruler 2 are relatively fixed, one end of the fastening screw 10 presses the inner ruler 1, the auxiliary tool is used for oral implantation, the size of the auxiliary tool is small, in the prior art, the inner ruler 1 or the outer ruler 2 is relatively fixed by adopting a screw connection mode between the inner ruler 1 or the outer ruler 2 and the shell 4, because the size of the device is small, when the device is adopted, the size of a hole for screw connection on the screw and the shell is small, the processing is inconvenient, by adopting the above scheme, the inner ruler 1 and the outer ruler 2 are fixed by the fastening screw 10, the size of the fastening screw 10 is large, and the size of the hole for connecting the fastening screw 10 on the inner ruler 1 or the outer ruler 2 is, make it to add man-hour more convenient, when interior chi 1 and outer chi 2 motion, fastening screw 10 only links to each other with outer chi 2, when interior chi 1 and outer chi 2 are fixed relatively, sticiss interior chi 1 through fastening screw 10's one end for interior chi 1 can not move, and then prevents outer chi 2 motion.

In addition, the inner ruler 1 or the outer ruler 2 is limited by the fastening screw 10 when moving, the inner ruler 1 or the outer ruler 2 is prevented from slipping when moving, namely the inner ruler 1 and the outer ruler 2 move to enable the inner ruler limiting ruler 6 and the outer ruler limiting ruler 7 to be relatively far away from each other, the inner ruler 1 and the outer ruler 2 are limited by the fastening screw 10 and prevented from slipping, the maximum distance between the inner ruler limiting ruler 6 and the outer ruler limiting ruler 7 is preferably 18mm, the inner ruler 1 and the outer ruler 2 move to enable the inner ruler limiting ruler 6 and the outer ruler limiting ruler 7 to be relatively close to each other, the inner ruler 1 and the outer ruler 2 preferably extend outwards to form a part, and the fastening screw 10 can press the part at the initial state, namely the distance between the outer surface of the fastening screw 10 close to the shell 4 and the outer surface of the shell 4 is preferably 18mm, and the inner ruler 1 or the outer ruler 2 can be fixed by the fastening screw 10 at the initial state.

In order to facilitate the sliding of the inner ruler 1 and the outer ruler 2 relative to the shell 4, as shown in fig. 5, a sliding groove 11 is arranged in the shell 4 preferably in the embodiment, the inner ruler 1 and the outer ruler 2 slide in the sliding groove 11, the inner ruler 1 and the outer ruler 2 are connected with the shell 4 in a sliding manner through sliding in the sliding groove, the smooth movement of the inner ruler 1 and the outer ruler 2 is ensured, a limiting block for limiting the inner ruler 1 and the outer ruler 2 is arranged at an opening of the sliding groove 11, the bottom and the side wall of the sliding groove 11 limit the movement of the inner ruler 1 or the outer ruler 2 in three directions, the limiting block limits the movement of one side direction corresponding to the bottom of the sliding groove 11, and for ensuring the stability of the mechanism, the cross sections of the part, located in the sliding groove.

In addition, in order to realize the synchronous movement of the inner ruler 1 and the outer ruler 2, a worm and gear mechanism can be adopted between the inner ruler 1 and the outer ruler 2 to replace a gear rack mechanism in the tool, namely, the inner ruler 1 and the outer ruler 2 are both provided with threads, the worm wheel is matched with the threads, bearings can be adopted between the inner ruler 1 and the outer ruler 2 and the shell 4 to ensure that the inner ruler 1 and the outer ruler 2 rotate, the inner ruler 1 and the outer ruler 2 are provided with screw rod and nut mechanisms, the inner ruler 1 and the outer ruler 2 are screw rods or nuts, and the nuts or the screw rods connected with the inner ruler 1 and the outer ruler 2 are driven to move when the inner ruler 1 and the outer ruler 2 rotate, further driving the inner ruler limit ruler 6 and the outer ruler limit ruler 7 to move, in addition, in order to ensure that the tool can measure the micro size, the principle of the micrometer caliper can be adopted, the inner rule 1 and/or the outer rule 2 are used as screws, and the accurate numerical value can be measured through the movement of the inner rule 1 and/or the outer rule 2.

Example two:

the present embodiment is different from the first embodiment in that, as shown in fig. 6, both the measuring portions of the inner gauge 6 and the outer gauge 7 in the present embodiment are in contact with the positioning gauge 5 in the initial state, and the distance between the measuring portion of the inner gauge 6 and the measuring portion of the outer gauge 7 is 5mm at this time, that is, in the initial state, the manner of the position limitation between the inner gauge 6 and the outer gauge 7 is different from that in the first embodiment, and the present embodiment positions the minimum measuring distance by the sum of the widths of the measuring portion of the inner gauge 6, the measuring portions of the positioning gauge 5 and the outer gauge 7 along the sliding direction of the inner gauge 1 or the outer gauge 2, and this embodiment can also achieve the technical effects of the first embodiment.

Example three:

the difference between this embodiment and the first embodiment is that, as shown in fig. 7, 8 and 9, in this embodiment, a threaded hole is provided on the inner rule 1, a through hole is provided on the outer rule 2, the fastening screw 10 is inserted into the through hole, and when the inner rule 1 and the outer rule 2 are relatively fixed, the fastening screw 10 is matched with the threaded hole, that is, the connection mode between the fastening screw 10 and the inner rule 1 and the outer rule 2 is different from that of the first embodiment.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. An appurtenance for oral implantation, characterized in that: comprises an inner ruler (1), an outer ruler (2), a gear (3) and a shell (4), wherein the inner ruler (1) and the outer ruler (2) are respectively provided with a rack, the racks of the inner ruler and the outer ruler are respectively meshed with the gear (3), the inner ruler (1) and the outer ruler (2) are respectively connected with the shell (4) in a sliding way, the gear (3) and the shell (4) are positioned relatively along the sliding direction of the inner ruler (1) or the outer ruler (2), the shell (4) is provided with a positioning ruler (5), the inner ruler (1) is fixedly connected with an inner ruler limiting ruler (6), the outer ruler (2) is fixedly connected with an outer ruler limiting ruler (7), the inner ruler limiting ruler (6) and the outer ruler limiting ruler (7) are positioned at two sides of the positioning ruler (5) and have the same distance with the positioning ruler (5), and the positioning ruler (5), the inner ruler (6) and the outer ruler (7) are respectively provided with a central positioning mark (9), and the central positioning marks (9) of the three are positioned on the same horizontal line.

2. The aid for oral implantation according to claim 1, wherein: interior chi spacing chi (6) and outer chi spacing chi (7) all include connecting portion, the portion of bending and measurement portion, connecting portion one end links to each other with interior chi (1) or outer chi (2), its other end links to each other with the one end of the portion of bending, the other end and the measurement portion of the portion of bending link to each other.

3. The aid for oral implantation according to claim 2, wherein: the connecting part of the inner ruler limiting ruler (6) and the outer ruler limiting ruler (7) is in contact with the shell (4) in an initial state, and the distance between the measuring part of the inner ruler limiting ruler (6) and the measuring part of the outer ruler limiting ruler (7) is 5 mm.

4. The aid for oral implantation according to claim 2, wherein: the measuring parts of the inner ruler limiting ruler (6) and the outer ruler limiting ruler (7) are in contact with the positioning ruler (5) in an initial state, and the distance between the measuring part of the inner ruler limiting ruler (6) and the measuring part of the outer ruler limiting ruler (7) is 5 mm.

5. The aid for oral implantation according to claim 1, wherein: one end fixedly connected with push rod (8) of interior chi (1) or outer chi (2), fixedly connected with handle on shell (4), for the both sides of shell (4), push rod (8) and handle lie in same one side, perhaps interior chi (1) and the equal fixedly connected with push rod (8) of one end of outer chi (2), and for the both sides of shell (4), push rod (8) of the two lie in same one side.

6. The aid for oral implantation according to claim 1, wherein: the inner ruler (1) or/and the outer ruler (2) is/are provided with scale marks for measurement.

7. The aid for oral implantation according to claim 1, wherein: the positioning ruler (5) is provided with a long hole, and scale marks for measurement are arranged around the long hole.

8. The aid for oral implantation according to claim 1, wherein: the inner ruler (1) and the outer ruler (2) are relatively fixed through the fastening screws (10), the outer ruler (2) is in threaded connection with the fastening screws (10), and when the inner ruler (1) and the outer ruler (2) are relatively fixed, one end of each fastening screw (10) tightly presses the inner ruler (1).

9. The aid for oral implantation according to claim 8, wherein: the inner ruler (1) is provided with a threaded hole, the outer ruler (2) is provided with a through hole, the fastening screw (10) is inserted into the through hole, and when the inner ruler (1) and the outer ruler (2) are fixed relatively, the fastening screw (10) is matched with the threaded hole.

10. The aid for oral implantation according to claim 1, wherein: the outer shell (4) in be equipped with spout (11), interior chi (1) and outer chi (2) slide in spout (11), the opening part of spout (11) is equipped with the stopper that is used for spacing interior chi (1) and outer chi (2).