阅读说明：本技术 颌骨异物取出手术导板 (Jawbone foreign body surgical guide ) 是由 朱赴东 于 2019-09-29 设计创作，主要内容包括：本发明涉及医疗器械领域,具体而言,涉及一种颌骨异物取出手术导板。颌骨异物取出手术导板包括板体；板体上设置有定位槽、异物导孔和切断导孔；板体为弯曲板；定位槽设置在板体的平面侧,用于与患者的牙床或牙齿相配合进行定位；异物导孔的轴线与切断导孔的轴线相交,且异物导孔与定位槽连通,切断导孔与定位槽连通。本发明能够在精准定位断裂器械位置后,将板体放置在断裂器械的位置处,且使切断导孔和异物导孔与断裂器械对应设置,使钻头通过切断导孔直接将断裂器械周围部分颌骨切除,即可将断裂器械从异物导孔中取出,不需要大量磨除颌骨,降低了对患者的恢复造成的不良影响。(The present invention relates to medical instruments fields, in particular to a kind of jawbone foreign body surgical guide.Jawbone foreign body surgical guide includes plate body；Locating slot, foreign matter guide hole and cutting guide hole are provided on plate body；Plate body is twisted plate；The planar side of plate body is arranged in locating slot, positions for matching with the gum of patient or tooth；The axis of foreign matter guide hole intersects with the axis of cutting guide hole, and foreign matter guide hole is connected to locating slot, and cutting guide hole is connected to locating slot.The present invention can be after precise positioning be broken instrument positions, plate body is placed at the position of fracture instrument, and it is correspondingly arranged cutting guide hole and foreign matter guide hole with fracture instrument, cut off drill bit directly by fracture instrument peripheral part jawbone by cutting guide hole, fracture instrument can be taken out from foreign matter guide hole, it does not need largely to abrade jawbone, reduces the adverse effect caused by the recovery of patient.)

1. a kind of jawbone foreign body surgical guide, which is characterized in that including plate body；

Locating slot, foreign matter guide hole and cutting guide hole are provided on the plate body；

The plate body is twisted plate；

A planar side of the plate body is arranged in the locating slot, positions for matching with the gum of patient or tooth；

The axis of the foreign matter guide hole intersects with the axis of the cutting guide hole, and the foreign matter guide hole and the locating slot connect Logical, the cutting guide hole is connected to the locating slot.

2. jawbone foreign body surgical guide according to claim 1, which is characterized in that the foreign matter guide hole is circle Hole；The cutting guide hole is round hole.

3. jawbone foreign body surgical guide according to claim 2, which is characterized in that the diameter of the foreign matter guide hole is big In or equal to the diameter for cutting off guide hole.

4. jawbone foreign body surgical guide according to claim 1, which is characterized in that the slot bottom of the locating slot is arranged There are multiple alveolus, the alveolus is used to match with the tooth of patient.

5. jawbone foreign body surgical guide according to claim 4, which is characterized in that the foreign matter guide hole and described cut Disconnected guide hole is connected with the same alveolus.

6. jawbone foreign body surgical guide according to claim 1, which is characterized in that be provided with positioning on the plate body Hole, for positioning the plate body on tooth；

The location hole is connected to the locating slot.

7. jawbone foreign body surgical guide according to claim 6, which is characterized in that the location hole be it is multiple, it is more The same side of the plate body is arranged in a location hole.

8. jawbone foreign body surgical guide according to claim 6, which is characterized in that the opposite sides of the plate body is equal At least provided with a location hole.

9. jawbone foreign body surgical guide according to claim 1, which is characterized in that be provided with reinforcement on the plate body Plate；

The stiffening plate is arranged in the locating slot opposite sides, and setting corresponding with the cutting position of guide hole.

10. jawbone foreign body surgical guide according to claim 1, which is characterized in that the cutting guide hole be it is multiple, The axis of multiple cutting guide holes intersects on the axis of the foreign matter guide hole.

Technical field

The present invention relates to medical instruments fields, in particular to a kind of jawbone foreign body surgical guide.

Background technique

Pulling out for third molar is one of most common surgical operation in Oral and Maxillofacial Surgery, and uses high speed tooth Section's mobile phone is come to divide tooth be common way.

When removing bone resistance and dividing tooth, due to dividing burr to reuse, patient's technology is improper, metal machinery fatigue etc. Reason, it may occur however that vehicle needle is broken in jawbone.In the treatment of dental pulp disease, it may occur however that root of tooth is worn, root canal therapy device Through side perforation fracture in alveolar bone.In addition, also will appear operation car needle, Drill Crack once in a while in orthognathic surgery In jawbone.

In general, the instrument of fracture is visible, and can directly remove during operation.However, it is also possible to art occur Person can not find the instrument of fracture, then need to carry out x piece to position fracture instrument and patient is helped to remove instrument.

Traditional removing method is to throw by pencil-beam according to computer recombination fault image equipment (CBCT) shooting tooth piece Or whole scenery piece, and after positioning fracture instrument, operations research is carried out, later a large amount of jawbones abraded around fracture instruments again, will broken Split instrument taking-up.

Such removal method can largely abrade jawbone, and then can affect to the recovery of patient.

Summary of the invention

The purpose of the present invention is to provide a kind of jawbone foreign body surgical guides, can be broken instrument in precise positioning Behind position, so that drill bit is passed through cutting guide hole and directly cut off fracture instrument peripheral part jawbone, can will be broken instrument from foreign matter It is taken out in guide hole, does not need largely to abrade jawbone, reduce the adverse effect caused by the recovery of patient.

The embodiment of the present invention is achieved in that

A kind of jawbone foreign body surgical guide comprising plate body；

Locating slot, foreign matter guide hole and cutting guide hole are provided on the plate body；

The plate body is twisted plate；

The planar side of the plate body is arranged in the locating slot, determines for matching with the gum of patient or tooth Position；

The axis of the foreign matter guide hole intersects with the axis of the cutting guide hole, and the foreign matter guide hole and the locating slot Connection, the cutting guide hole are connected to the locating slot.

In preferred embodiments of the present invention, the foreign matter guide hole is round hole；The cutting guide hole is round hole.

In preferred embodiments of the present invention, the diameter of the foreign matter guide hole is greater than or equal to the straight of the cutting guide hole Diameter.

In preferred embodiments of the present invention, the slot bottom of the locating slot is provided with multiple alveolus, the alveolus be used for The tooth of patient matches.

In preferred embodiments of the present invention, the foreign matter guide hole and the cutting guide hole with the same alveolus phase Connection.

In preferred embodiments of the present invention, it is provided with location hole on the plate body, is used for the plate body in tooth It is positioned；

The location hole is connected to the locating slot.

In preferred embodiments of the present invention, the location hole be it is multiple, multiple location holes are arranged in the plate body The same side.

In preferred embodiments of the present invention, the opposite sides of the plate body is at least provided with a location hole.

In preferred embodiments of the present invention, stiffening plate is provided on the plate body；

The stiffening plate is arranged in the locating slot opposite sides, and setting corresponding with the cutting position of guide hole.

In preferred embodiments of the present invention, the cutting guide hole is multiple, the axis intersection of multiple cutting guide holes On the axis of the foreign matter guide hole.

The beneficial effect of the embodiment of the present invention is:

Plate body can be placed at the position of fracture instrument after precise positioning is broken instrument positions, and lead cutting Hole and foreign matter guide hole are correspondingly arranged with fracture instrument, cut drill bit directly by fracture instrument peripheral part jawbone by cutting guide hole It removes, fracture instrument can be taken out from foreign matter guide hole, not need largely to abrade jawbone, reduce caused by the recovery of patient Adverse effect.

Detailed description of the invention

In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.

Fig. 1 is the schematic diagram of jawbone foreign body surgical guide provided in an embodiment of the present invention；

Fig. 2 is the schematic diagram at another visual angle of jawbone foreign body surgical guide provided in an embodiment of the present invention；

Fig. 3 is the stereoscopic effect schematic diagram of jawbone foreign body surgical guide provided in an embodiment of the present invention；

Fig. 4 is another view stereo effect diagram of jawbone foreign body surgical guide provided in an embodiment of the present invention.

In figure:

1: plate body；2: foreign matter guide hole；3: the first lead rings；4: locating slot；5: cutting guide hole；6: the second lead rings；7: stiffening plate； 8: location hole；9: alveolus.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented The component of example can be arranged and be designed with a variety of different configurations.

Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects It encloses.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage Solution is indication or suggestion relative importance.

In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It has to fully horizontally, but can be slightly tilted.

In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.

1 to attached drawing 4 with reference to the accompanying drawing, elaborates to some embodiments of the present invention.The case where not conflicting Under, the feature in following embodiment and embodiment can be combined with each other.

A kind of jawbone foreign body surgical guide comprising plate body 1；Locating slot 4,2 and of foreign matter guide hole are provided on plate body 1 Cut off guide hole 5；Plate body 1 is twisted plate；The planar side of plate body 1 is arranged in locating slot 4, for matching with the gum or tooth of patient Conjunction is positioned；The axis of foreign matter guide hole 2 intersects with the axis of cutting guide hole 5, and foreign matter guide hole 2 is connected to locating slot 4, cutting Guide hole 5 is connected to locating slot 4.

In the present embodiment, the material of plate body 1 is medical photosensitive resin, after being first scanned by CBCT to tooth, According to the shape of the relative position of each tooth and each tooth, template is generated, then by 3D printing, obtains plate body 1.

Specifically, the making step of plate body 1 is as follows:

S1: the oral cavity image comprising foreign matter in patient's jawbone, tooth and jawbone is obtained by CBCT equipment；

S2: being converted to editable 3D data format for oral cavity image, and imports three-dimensional software for editing and obtain 3D simulation mould Type；

S3: 3D simulation model importing software is obtained into 3D restoration model；

S4: it is designed according to 3D restoration model and generates 1 model of plate body；

S5: 1 model of plate body is imported into cutting apparatus or 3D printer, target is produced by cutting apparatus or 3D printer Plate body 1.

In the present embodiment, the position of the tooth of the position and patient of locating slot 4 matches, and passes through locating slot 4 and tooth Cooperation, realize positioning to plate body 1.

When in use, plate body 1 is positioned by locating slot 4, so that the bottom pair of cutting guide hole 5 and fracture instrument Answer, later using trepan by being punched on tooth after foreign matter guide hole 2, will fracture instrument or other foreign matters wrapped up to In trepan, then cutting drill bit is passed through into cutting guide hole 5 and is punched to tooth or gum position, the bottom part bone group of instrument will be broken It knits and interrupts；At this point, fracture instrument or other foreign matters are kept completely separate with bone tissue, instrument can will be broken by trepan or other are different Object and its peripheral part bone tissue take out out of foreign matter guide hole 2.

Whole operation is quick, accurately, will not carry out a large amount of bone tissue abrasions to patient, reduce and cause to the recovery of patient Adverse effect.

In the present embodiment, the bottom of locating slot 4 is provided with multiple alveolus 9, the corresponding tooth of each alveolus 9 makes It obtains when tooth is matched with alveolus 9, realizes fixation and positioning of the plate body 1 on tooth.

More specifically, in the present embodiment, locating slot 4 and interdental cooperation, alveolus 9 and interdental cooperation, It is tight fit, i.e. transition fit, so that being not easily disconnected from after plate body 1 is mounted on tooth.

The setting of multiple alveolus 9 so that the length of plate body 1 is accordingly longer, avoid plate body 1 it is too short and cause it is fixed not Surely.The length of plate body 1 is also unsuitable too long, and otherwise foreign matter guide hole 2 and cutting guide hole 5 are not easy and are broken that the position of instrument is corresponding to be set It sets.

In the present embodiment, the position of guide hole 5 and foreign matter guide hole 2 is cut off in plate body 1 by the position of close end.

It should be pointed out that the position of cutting guide hole 5 and foreign matter guide hole 2 on plate body 1 can be in end, but it is not only It is limited only to end, specifically can be positioned and be adjusted according to the specific location of fracture instrument, to guarantee to break Split the taking-up of the foreign matters such as instrument safety.

In preferred embodiments of the present invention, foreign matter guide hole 2 is round hole；Cutting guide hole 5 is round hole.

In the present embodiment, foreign matter guide hole 2 be round hole, for guarantee it is accurate find foreign matter guide hole 2, will be broken The foreign bodies such as instrument are provided with the first lead ring 3 on plate body 1, and the first lead ring 3 and foreign matter guide hole 2 are coaxial.

It should be pointed out that foreign matter guide hole 2, which can be, is provided in round hole, but it is not limited solely to round hole, also It can be the pore structure of other shapes, such as can also be and be set as square hole, delthyrium, diamond hole, that is to say, that as long as its The bone tissue part on fracture instrument periphery will can be cut off by trepan, and fracture instrument is taken out from foreign matter guide hole 2.

Similarly, in the present embodiment, cutting guide hole 5 is round hole, to guarantee accurately to find cutting guide hole 5, is made Drill bit can be entered preferably in cutting guide hole 5, the second lead ring 6 is provided on plate body 1, and the second lead ring 6 is led with cutting Hole 5 is coaxial.

It should be pointed out that cutting guide hole 5 can be and be provided in round hole, but it is not limited solely to round hole, also It can be the pore structure of other shapes, such as can also be and be set as square hole, delthyrium, diamond hole, that is to say, that as long as its The bone tissue part of fracture instrument base will can be cut off by drill bit.

In the present embodiment, the internal diameter of the first lead ring 3 is identical as the diameter of foreign matter guide hole 2, and the inner hole of the first lead ring 3 is Straight hole, foreign matter guide hole 2 are also straight hole, can effectively be avoided when being drilled, and drill bit direction changes, and ensure that bore position Accuracy.

Similarly, in the present embodiment, the internal diameter of the second lead ring 6 is identical as the cutting diameter of guide hole 5, and the second lead ring 6 Inner hole is straight hole, and cutting guide hole 5 is also straight hole, can effectively be avoided when being drilled, and drill bit direction changes, and ensure that brill The accuracy of hole site.

In preferred embodiments of the present invention, the diameter of foreign matter guide hole 2 is greater than or equal to the diameter of cutting guide hole 5.

The diameter of foreign matter guide hole 2 is greater than or equal to the diameter of cutting guide hole 5, can either guarantee completely to take fracture instrument Out, but can reduce to bone tissue cutting abrasion, reduce the influence to recovery.

In preferred embodiments of the present invention, foreign matter guide hole 2 and cutting guide hole 5 are connected with the same alveolus 9.

More specifically, the axis of foreign matter guide hole 2 intersects with the axis of cutting guide hole 5, guarantee will to be broken instrument or its He cuts off from the bone tissue of patient foreign matter completely, and can effectively reduce excision abrasion loss.

In preferred embodiments of the present invention, location hole 8 is provided on plate body 1, for being determined plate body 1 on tooth Position；Location hole 8 is connected to locating slot 4.

For the stability for guaranteeing positioning of the plate body 1 on tooth, the plate body 1 of tight fit is avoided to generate vibration in external environment When it is unstable, in the present embodiment, location hole 8 is set on plate body 1, and location hole 8 is connected to locating slot 4.

In use, stamping clothes-hook on the jawbone of patient, after location hole 8 and clothes-hook are correspondingly arranged, plate body 1 is hung on On jawbone, to guarantee the accuracy and stability of positioning.

In preferred embodiments of the present invention, location hole 8 be it is multiple, the same side of plate body 1 is arranged in multiple location holes 8.

In the present embodiment, it is the Stability and veracity for being further ensured that positioning, sets multiple for location hole 8, and In the outside of the jawbone of patient, multiple clothes-hooks are set, location hole 8 cooperates one by one with clothes-hook, realize to the precise positioning of plate body 1 with Stable position.

In preferred embodiments of the present invention, location hole 8 be it is multiple, multiple location holes 8 are separately positioned on the opposite of plate body 1 Two sides.

In the present embodiment, the Stability and veracity in order to further ensure plate body 1 when being positioned, by location hole 8 are set as multiple, and are separately positioned on the opposite sides of plate body 1, are cooperated one by one with multiple clothes-hooks of patient's jawbone two sides, It ensure that the precise positioning and stable position of plate body 1 to the greatest extent.

In preferred embodiments of the present invention, stiffening plate 7 is provided on plate body 1；The setting of stiffening plate 7 is opposite in locating slot 4 Two sides, and setting corresponding with the cutting position of guide hole 5.

Specifically, location hole 8 is arranged in stiffening plate 7, it can guarantee the accuracy of positioning.

More specifically, in the present embodiment, the setting corresponding with the cutting position of guide hole 5 of stiffening plate 7, avoids plate body 1 On due to cutting guide hole 5 be set as reduce intensity.

In preferred embodiments of the present invention, cutting guide hole 5 be it is multiple, it is multiple cutting guide holes 5 axis intersect in foreign matter On the axis of guide hole 2.

When some fracture instruments or when volume is larger or cutting position inconvenience of other foreign matters, can from multiple angles, Multiple directions cut the bottom of fracture instrument, to guarantee that the bone tissue of instrument or the bottom of other foreign matters will be broken Cutting, and fracture instrument or other foreign matters are taken out by foreign matter guide hole 2.

The beneficial effect of the embodiment of the present invention is:

Plate body 1 can be placed at the position of fracture instrument after precise positioning is broken instrument positions, and lead cutting Hole 5 and foreign matter guide hole 2 are correspondingly arranged with fracture instrument, make drill bit that will directly be broken instrument peripheral part jaw by cutting guide hole 5 Fracture instrument can be taken out from foreign matter guide hole 2, not need largely to abrade jawbone, reduce the recovery to patient by resected bone Caused by adverse effect.

The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.