Hole preparation suite for assisting rat molar area implantation

Abstract

The utility model discloses a prepared hole suite for assisting rat molar area implantation. The prepared hole suite comprises a ball drill used for positioning, a sharp drill used for direction positioning, a hole expanding drill used for hole expanding and a side cutting drill used for correcting the hole direction. Wherein a drill rod of the expanding drill is provided with a first limiting part, the sleeve piece further comprises a check ring, and the check ring can be connected with the first limiting part and used for surrounding the side portion of the expanding drill, so that the expanding drill is prevented from moving during expanding operation. The ball drill disclosed by the utility model can assist in positioning an implantation site and flattening an alveolar bone surface of the implantation site; the sharp drill can assist in guiding the implant; the expanding drills with different specifications can expand the planting cavity step by step, the operation requirements of titanium implants with different diameters are met, meanwhile, the final depth of the implant is determined, and the initial stability of the implant is guaranteed; the side cutting drill is used for cutting the alveolar bone and changing the implanting direction and position of the implant; and the stop ring can assist the positioning and depth setting of the reamed hole in the implanting process of the implant.

Description

TECHNICAL FIELD

[0001] The utility model relates to oral cavity implantation hole preparation technical field, concretely relates to a hole preparation kit for assisting molar region implantation of rats. BACKGROUND

[0002] In the current animal research related to dental implants, in order to simulate the implant model, to carry out the in-depth mechanism research of implant peri-implantitis, implant surface modification, drug-loaded implant, researchers generally believe that the first molar region of the rat maxilla is the ideal site for establishing the implant model. However, at present, the hole preparation operation for rat molar region implantation still lacks systematic and standardized auxiliary tools, which is difficult to simulate the clinical actual environment and realize the accurate implantation of rat titanium implant in the jaw bone. Based on this, the utility model provides a hole preparation kit for assisting molar region implantation of rats, which can effectively solve the problems of rat implant cavity positioning, depth setting and hole preparation, significantly improve the accuracy and controllability of hole preparation operation, and provide more stable and efficient tool support for establishing rat jaw bone implant model. SUMMARY

[0003] In order to overcome the technical problems of the prior art described above, the purpose of the utility model is to provide a hole preparation kit for molar region implantation of rats.

[0004] The hole preparation kit for molar region implantation of rats of the utility model comprises a ball drill for positioning, a sharp drill for direction setting, a reamer for reaming, and a side cutting drill for correcting the direction of the cavity; wherein the drill rod of the reamer is provided with a first limiting part, and the kit further comprises a stop ring, which can be connected with the first limiting part, for surrounding the side of the reamer, so that the reamer is prevented from moving during reaming operation.

[0005] As a preferred technical scheme, one end of the ball drill is provided with a ball drill head, and the other end is provided with a ball drill connecting rod for connecting with the implant mobile phone; wherein the ball drill head is tapered in diameter as a whole and has a spherical ball drill bit at the end, and the ball drill bit has a spiral blade edge.

[0006] As a preferred technical scheme, the ball drill head comprises two specifications with a ball drill bit diameter of 1mm and 2mm.

[0007] As a preferred technical scheme, one end of the sharp drill is provided with a sharp drill head, and the other end is provided with a sharp drill connecting rod for connecting with the dental mobile phone; wherein the sharp drill head is in the shape of a four-pyramid as a whole for accurate positioning and drilling, and the sharp drill head is provided with a sharp drill scale.

[0008] As a preferred technical scheme, the reamer is provided with a reamer head at one end and a reamer connecting rod at the other end for connecting with the implant mobile phone, the first limiting part is an annular boss arranged on the side of the reamer; wherein the reamer head is composed of helical chip blades and chip grooves, and the reamer head is provided with a reamer scale.

[0009] As a preferred technical scheme, the reamer head includes five specifications with a reaming diameter of 1mm, 1.3mm, 1.5mm, 2mm and 2.2mm.

[0010] As a preferred technical scheme, the side-cutting drill is provided with a side-cutting drill head at one end and a side-cutting drill connecting rod at the other end for connecting with the implant mobile phone; wherein the side-cutting drill head is tapered in whole and has a blunt end, the side of the side-cutting drill head is composed of sawtooth chip blades arranged in a spiral structure, and the side-cutting drill head is provided with a side-cutting drill scale.

[0011] As a preferred technical scheme, the stop ring includes a retaining part, a stop ring body part and a second limiting part connected in sequence, and the inside is hollow as a closed sleeve, and a plurality of chip through holes are arranged on the side of the stop ring body part.

[0012] As a preferred technical scheme, the retaining part is connected with the first limiting part of the reamer, the top end of the reamer head can extend out of the second limiting part, the stop ring includes a plurality of length specifications, and the second limiting part is used for indicating the height of the top end of the reamer head.

[0013] As a preferred technical scheme, the kit further includes a disinfection box, and a plurality of accommodation holes are arranged in the disinfection box at intervals to accommodate the ball drill, the sharp drill, the reamer, the reamer and the stop ring.

[0014] In summary, the utility model has the following technical effects:

[0015] The utility model discloses a kind of hole preparation kits for assisting rat molar area implanting, including ball drill for positioning, sharp drill for direction, reamer for reaming, and side cutting drill for correcting hole direction;Wherein, the drill rod of reamer is equipped with first limiting part, this kit further includes stop ring, stop ring can be connected with first limiting part, for reamer side portion is surrounded, so that reaming operation is avoided reamer occurs to move around when. When rat molar area implanting hole preparation is carried out, the hole preparation kit with the above structure has the following technical advantages: 1, the ball drill of the utility model can assist positioning implant site, initially establish the implantation operation soft tissue passage of non-buried implant, realize the implantation operation under not turning flap;2, the four pyramid-shaped tool bit of sharp drill of the utility model can assist guiding implant, initially establish implantation passage;3, the reamer of different specifications of the utility model can gradually expand implant cavity, meet the operation demand of different diameter titanium implant nail, control the diameter difference between implant cavity and implant diameter within the implant stable range, determine implant final depth simultaneously, guarantee implant initial stability;4, the side cutting drill of the utility model is used for cutting alveolar bone, changes implantation direction and position, is convenient for guiding subsequent reamer to continue expanding and deepening implant cavity;5, the stop ring of the utility model can assist the positioning and depth of reaming during implantation, reduce rat's surgical trauma and be conducive to keeping stable after implantation;For this reason, the hole preparation kit for assisting rat molar area implanting provided by the utility model has obvious technical advantages. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the utility model or prior art, the following will briefly introduce the drawing needed to be used in embodiment or prior art description, obviously, the drawing in the following description is some embodiments of the utility model, and for ordinary skilled person in the art, other drawings can also be obtained according to these drawings without creating labor.

[0017] Figure 1 It is the structure schematic view of ball drill of the utility model embodiment;

[0018] Figure 2 It is the structure schematic view of sharp drill of the utility model embodiment;

[0019] Figure 3 It is the structure schematic view of reamer of the utility model embodiment;

[0020] Figure 4 It is the structure schematic view of side cutting drill of the utility model embodiment;

[0021] Figure 5 It is the structure schematic view of stop ring of the utility model embodiment;

[0022] Figure 6 is a structure schematic view of the disinfection box of the embodiment of the utility model;

[0023] Among them, the sign meaning is as follows:

[0024] 11- ball drill connecting rod, 12- ball drill head, 13- ball drill drill bit;

[0025] 21- sharp drill connecting rod, 22- sharp drill head;

[0026] 31- reamer connecting rod, 311- first limiting part, 32- reamer head;

[0027] 41- side cutting drill connecting rod, 42- side cutting drill head;

[0028] 51- stop ring body part, 52- retaining part, 53- second limiting part;

[0029] 6- disinfection box, 61- containing hole. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments will be described clearly and completely in conjunction with the drawings in the embodiments. The described embodiments in the description are only for the purpose of illustration, and are not used to limit the protection scope of the utility model, so it should be understood that various modifications and changes can be made to the embodiments without departing from the protection scope of the utility model.

[0031] In the description of the present application, unless otherwise explicitly specified and limited, the term "and / or" includes any combination and all combinations of one or more associated listed items. Unless otherwise specified or explained, the terms "connection", "fixation" and the like should be broadly understood, for example, "connection" can be fixed connection, or detachable connection, or integrally connected; "connection" can be directly connected, or indirectly connected through intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] Further, in the description of the utility model, it should be understood that the orientation words described in the embodiments are described at the angle shown in the drawings, and should not be understood as limiting the embodiments. It should also be understood that in the context, when referring to one element or feature connected with another element (one or more), it can not only be directly connected with another (one or more) element, but also indirectly connected with another (one or more) element through intermediate element.

[0033] Before introducing the technical scheme of the utility model, it is necessary to expound the creation background of the invention and creation of the utility model: oral implant surgery is to implant an implant made of artificial material into the alveolar bone of the edentulous area to serve as an artificial tooth root through surgical operation, which is one of the methods for repairing missing teeth. However, oral implant surgery treatment is not 100% successful, and the implant peri-implantitis, implant surface modification, drug-loaded implant and the like have become a research hotspot. In the current basic research related to implant treatment, scholars consider the existing available implant size, experimental operation difficulty, modeling time, modeling effect evaluation and the like, and find that the first molar area of the rat jaw bone is the most suitable and relatively easy experimental object for establishing an implant tooth model, and after establishing the rat jaw bone implant tooth model, implant peri-implantitis is induced to conduct in-depth mechanism research. At present, in the existing rat molar area implantation preparation hole, there is a lack of a systematic auxiliary preparation hole kit that can implant the existing rat titanium implant into the rat jaw bone and simulate the clinical actual environment to the greatest extent; and in the actual preparation hole, due to the narrow space in the rat mouth and the thin molar area alveolar bone, the positioning and depth of the implant hole are prone to deviation, resulting in poor safety and stability of the implantation and low implantation efficiency.

[0034] Please refer to Figures 1 to 5 The utility model exemplary embodiment provides a kind of preparation hole kit for assisting rat molar area implant, including ball drill for positioning, sharp drill for drilling, reamer for reaming, and side cutting drill for correcting hole direction;Wherein, the drill rod of reamer is equipped with first limiting portion 311, this kit further includes stop ring, stop ring can be connected with first limiting portion 311, for the lateral part of reamer is surrounded, so that when reaming operation is carried out, reamer is avoided to move around. The parts of this preparation hole kit will be described below.

[0035] Ball drill:

[0036] Please refer to Figure 1 In some embodiments, the ball drill includes a ball drill connecting rod 11, one end of the ball drill connecting rod 11 is provided with a ball drill head 12, and the other end is connected with a dental handpiece through a mounting interface;Wherein, the ball drill head 12 is tapered in whole and has a spherical ball drill bit 13 at the end, and the ball drill bit 13 has a spiral blade edge. The ball drill of the utility model can assist in positioning the implant site, initially establish the soft tissue access of implant surgery for non-buried implant, and realize implant surgery without flap lifting.

[0037] As a preferred technical scheme, the ball drill head 12 is connected with the ball drill bit 13 in two specifications of 1mm and 2mm in diameter. After the blade is used to cut the gum and separate the soft and hard tissues, for the non-embedded implant, the 2mm specification ball drill can be used to grind the gum above the implant site, to smooth the alveolar bone surface, to destroy the cortical bone surface, and then the 1mm specification ball drill is used to accurately position the implant site, to ensure that the subsequent operation can easily enter the bone tissue without being deviated and slipped due to high-speed rotation; for the embedded implant, the blade is used to cut the gum, the small excavator is used to turn up the full-thickness gum flap, the 1mm specification ball drill is used to accurately position, and then the 2mm specification ball drill is used to expand the hole.

[0038] The pointed drill:

[0039] Please refer to Figure 2 In some embodiments, the pointed drill is provided with a pointed drill head 22 at one end and is connected with the implant mobile phone through a pointed drill connecting rod 21 at the other end; wherein the pointed drill head 22 is in the shape of a four-pyramid as a whole, is used for accurate positioning and drilling, and the pointed drill head 22 is provided with a pointed drill scale.

[0040] Specifically, the pointed drill head 22 is in the shape of a four-pyramid as a whole, the tip is sharp, the side surface is in the shape of a prismatic blade edge, has very strong longitudinal penetration, and has weak side cutting ability, so as to prevent the hole diameter from exceeding the expectation due to the deviation and slip of drilling, and to cause the implant angle to be wrong, the four-pyramid shaped drill head of the pointed drill can assist in guiding the implant, and initially establishes the implant implantation channel. In addition, the head 22 of the pointed drill is provided with a scale, the scale is 4mm, 5mm and 6mm away from the top end.

[0041] The reamer:

[0042] Please refer to Figure 3 In some embodiments, the reamer is provided with a reamer head 32 at one end and is connected with the implant mobile phone through a reamer connecting rod 31 at the other end, and the first limiting part 311 is an annular boss arranged on the side of the reamer connecting rod 31; wherein the reamer head 32 is composed of a spiral chip blade and a chip groove, and the reamer head 32 is provided with a reamer scale.

[0043] Specifically, the reamer bit 32 of the reamer has a blunt end without cutting ability, and a spiral cutting edge on the side, which produces cutting when the cutting edge direction rotates clockwise and brings the cutting into the drill bit from the spiral direction; when rotating counterclockwise, the bone can be pushed and compacted by the back of the cutting edge and the spiral exits. The reamer bit 32 has a shallow and narrow chip groove inside the spiral cutting edge for discharging cutting bone chips. As a preferred technical solution, the reamer bit 32 has a laser mark representing the diameter of the reamer bit 32, including five specifications of 1mm, 1.3mm, 1.5mm, 2mm and 2.2mm reamer diameter. In actual preparation of the hole, 1mm, 1.3mm, 1.5mm, 2mm and 2.2mm reamers can be used in sequence according to the size of the implant, and the hole diameter can be gradually enlarged to about 2.2mm. The different specifications of the reamer of the utility model can meet the surgical needs of different diameter titanium implant nails, and control the difference between the diameter of the prepared implant hole and the diameter of the implant within the extreme difference of the implant stability. In addition, the reamer bit 32 of the reamer is provided with a reamer scale mark, indicating 4mm, 5mm and 6mm from the top end of the reamer bit 32. The first limiting part 311 is an annular boss arranged on the side of the reamer connecting rod 31, which is used in cooperation with the stop ring to limit the depth of the reamer into the jaw bone.

[0044] Side cutting drill:

[0045] Please refer to Figure 4 In some embodiments, the side cutting drill has a side cutting drill bit 42 at one end and a dental handpiece connected to the other end of the side cutting drill connecting rod 41; wherein the side cutting drill bit 42 is tapered in diameter as a whole and has a round blunt drill bit at the end, the side of the side cutting drill bit 42 is composed of a sawtooth cutting edge arranged in a spiral structure, and the side cutting drill bit 42 is provided with a side cutting drill scale.

[0046] Specifically, the side cutting drill bit 42 of the side cutting drill is tapered in diameter as a whole and has a round blunt drill bit at the end, which is blunt and has no cutting ability, and the side is a sawtooth cutting edge arranged in a spiral structure. As a preferred technical solution, the diameter of the side cutting drill bit 42 is 1mm, when the ball drill positioning deviates, such as deviating to the buccal side, the side cutting drill can be selected to grind one side of the hole wall, change the implant implantation direction and position, and facilitate the subsequent reamer to continue to enlarge and deepen the implant hole. The side cutting drill bit 42 is provided with a side cutting drill scale, indicating 4mm, 5mm and 6mm from the top end of the side cutting drill bit 42.

[0047] In some embodiments, as a preferred technical solution, the ball drill, the sharp drill, the reamer and the side cutting drill have the same overall length, and the lengths of the connecting rods are also set to be the same.

[0048] Stop ring:

[0049] Please refer to Figure 5In some embodiments, the stop ring comprises a retaining portion 52, a stop ring body portion 51 and a second limiting portion 53 connected in sequence, and the inside is hollow as a closed sleeve, and a plurality of chip removal through holes are formed in the side of the stop ring body portion 51. The retaining portion 52 of the stop ring has a plurality of elongated U-shaped grooves in the direction of the long axis of the stop ring, and the bottom of the U-shaped groove is located on the upper part of the stop ring body portion 51. By expanding or contracting the diameter of the retaining portion 52, the retaining portion 52 of the stop ring can be connected with the first limiting portion 311 of the reamer.

[0050] It should be noted that after the flat bone surface is flattened, the retaining portion 52 of the stop ring can be fixed at the first limiting portion 311 of the reamer, that is, the retaining portion 52 is connected with the first limiting portion 311 of the reamer, the head portion 32 of the reamer is surrounded by the stop ring, and the top end of the head portion 32 of the reamer can extend out of the second limiting portion 53. The plurality of chip removal through holes in the side of the stop ring body portion 51 facilitate the removal of debris in the oral cavity, and the second limiting portion 53 is used for depth setting to prevent over-reaming during implant surgery. Preferably, the second limiting portion 53 has a laser mark representing the height of the top end of the drill bit of the reamer protruding out of the second limiting portion 53, for example, as shown in FIG. 6, the bottom of the second limiting portion 53 is provided with a laser mark "3.0". Figure 5 The stop ring of the utility model can assist in positioning and depth setting during the preparation of the hole for the implant, and can improve the safety, stability and convenience of the implant surgery of the rat. It should be noted that the stop ring comprises a plurality of length specifications for realizing the height of the top end of the head portion 32 of the reamer protruding out of the second limiting portion 53.

[0051] As a preferred technical solution, the kit further comprises a sterilization box, and a plurality of accommodation holes are spaced apart in the sterilization box to accommodate the ball drill, the sharp drill, the reamer, the reamer and the stop ring. Specifically, a plurality of accommodation holes are formed in the sterilization box, and it should be noted that the ball drill, the sharp drill, the reamer and the side cutting drill are accommodated in the above-mentioned accommodation holes at the corresponding connecting rod positions, and each drill bit remains exposed to avoid cross infection.

[0052] Based on the above parts, the following introduces the use steps of the hole preparation kit for the implant surgery of the non-embedded implant:

[0053] Step 1, positioning: first, use a 2mm ball drill 1 to remove part of the gum at 800rpm, and then use a 1mm ball drill 1 to preliminarily position and prepare a shallow recess;

[0054] Step 2, guiding: use the sharp drill 2 to prepare the implant cavity at 800rpm, determine the implant direction and depth (about 4mm), and then put the depth measuring probe with scales to measure the depth and observe the position and direction;

[0055] Step 3, reaming: at 800 rpm, according to the principle of gradually enlarging the diameter, first use 1mm reamer 3 to preliminarily ream, then at 50 rpm, according to actual needs, sequentially use 1.3mm, 1.5mm, 2mm, 2.2mm reamer 3 to gradually ream the implantation hole.

[0056] Step 4, implanting the implant: use the hand driver to rotate the implant clockwise.

[0057] Finally, it should be pointed out that: the above examples are only used to illustrate the technical solutions of the utility model, and not to limit it, the rat implant tool box can also be applied to the preparation of periodontal defects, the preparation of jaw defects, the preparation of femoral defects, etc.; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A pilot hole kit for assisting implantation in the molar region of a rat, characterized in that, The kit comprises a ball drill for positioning, a sharp drill for direction, a reamer for reaming, and a side cutting drill for correcting the direction of the cavity; wherein the drill rod of the reamer is provided with a first limiting portion, and the kit further comprises a stop ring which can be connected with the first limiting portion to surround the side of the reamer, so as to avoid the reamer from moving during the reaming operation.

2. The pilot hole kit for assisting in implanting a rat molar region according to claim 1, wherein, The ball drill is provided with a ball drill head at one end and a ball drill connecting rod at the other end for connection with the implant mobile phone; wherein the ball drill head is tapered in whole and has a spherical ball drill bit at the end, and the ball drill bit has a spiral blade edge.

3. The pilot hole kit for assisting in implanting a rat molar region of claim 2, wherein, The ball drill head includes two specifications of 1mm and 2mm in diameter.

4. The pilot hole kit for assisting in implanting a rat molar region of claim 1, wherein, The sharp drill is provided with a sharp drill head at one end and a sharp drill connecting rod at the other end for connection with the implant mobile phone; wherein the sharp drill head is in the shape of a quadrangular pyramid in whole for accurate positioning and drilling, and the sharp drill head is provided with a drill needle scale.

5. The pilot hole kit for assisting in implanting a rat molar region of claim 1, wherein, The reamer is provided with a reamer head at one end and a reamer connecting rod at the other end for connection with the implant mobile phone, and the first limiting portion is an annular boss provided on the side of the reamer connecting rod; wherein the reamer head is composed of a spiral chip blade and a chip groove, and the reamer head is provided with a reamer scale.

6. The pilot hole kit for assisting in implanting a rat molar region of claim 5, wherein, The reamer head includes five specifications of 1mm, 1.3mm, 1.5mm, 2mm and 2.2mm in reaming diameter.

7. The pilot hole kit for assisting in implanting a rat molar region of claim 1, wherein, The side cutting drill is provided with a side cutting drill head at one end and a side cutting drill connecting rod at the other end for connection with the implant mobile phone; wherein the side cutting drill head is tapered in whole and has a blunt drill bit at the end, the side of the side cutting drill head is composed of a sawtooth chip blade arranged in a spiral structure, and the side cutting drill head is provided with a side cutting drill scale.

8. The pilot hole kit for assisting in implanting a rat molar region of claim 5, wherein, The stop ring includes a retaining portion, a stop ring body portion and a second limiting portion connected in sequence, and is hollow inside as a closed sleeve, and a plurality of chip through holes are formed on the side of the stop ring body portion.

9. The pilot hole kit for assisting in implanting a rat molar region of claim 8, wherein, The retaining portion is connected with the first limiting portion of the reamer, the top end of the reamer head can extend out of the second limiting portion, and the stop ring includes multiple length specifications for realizing that the second limiting portion indicates the height of the top end of the reamer head.

10. The pilot hole kit for assisting in implanting a rat molar region of claim 1, wherein, The kit further comprises a disinfection box, and a plurality of accommodation holes are spaced apart in the disinfection box to accommodate the ball drill, the sharp drill, the reamer, the side cutting drill and the stop ring.

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