CN117045308A - Bone drill is cut in punching - Google Patents

Abstract

The application relates to the technical field of medical instruments, in particular to a punching bone cutting drill. The drilling bone cutting drill comprises a drill needle assembly and a driving unit, wherein the drill needle assembly comprises a plurality of drill needles which are arranged in a straight line, the drill needles comprise drill points, and the drill points of the drill needles are parallel along the length direction of the drill needles; the driving unit is connected with the drill needle assembly and is used for driving the drill needle to rotate. The embodiment of the application provides a punching bone cutting drill, which solves the problem that the punching bone cutting drill in the related art is difficult to realize the purpose of meeting the requirements of intraoral bone cutting or bone flap cutting.

Description

Bone drill is cut in punching

Technical Field

The application relates to the technical field of medical instruments, in particular to a punching bone cutting drill.

Background

Inflammation, deformity and involvement of the upper and lower jawbones by various benign and malignant tumors are common problems in oral surgery, and the repair and reconstruction of vascularized free skin flaps after surgical excision is the main method for treating the jaw lesions.

The traditional intraoral approach osteotomy mainly relies on the experience of an operator to perform naked eye positioning and manual osteotomy, and because of the limitation of intraoral operation space and visual field, when the conventional osteotomy tool such as a swing saw is used for intraoral osteotomy, the problems of difficult placement of a saw blade, poor stability and easy damage to the oral cavity of a patient exist, so that the operator also uses a right-angle drill, punch and split method to perform intraoral approach osteotomy, uses a drill needle to match an angle turbine to drill along an osteotomy line, and thoroughly breaks the weak osteotomy line after drilling by means of splitting and chiseling, thereby freeing bone fragments; however, the method needs to ensure that each drilling hole completely penetrates the cortical bone on two sides, the distance between each drilling hole is less than 2mm, each drilling hole is relatively parallel to smoothly complete osteotomy, the time is relatively long, the technical level requirements on operators are relatively high, and the problems that the osteotomy surface is uneven, the operation accuracy is poor and the like are also caused because the section of the drilling needle is circular.

Disclosure of Invention

The embodiment of the application provides a punching bone cutting drill, which aims to solve the problem that the punching bone cutting drill in the related art is difficult to realize the purpose of meeting the requirements of intraoral bone cutting or bone flap cutting.

To achieve the above object, an embodiment of the present application provides a drill for drilling and osteotomy, including:

the drill point assembly comprises a plurality of drill points which are arranged in a straight line, wherein the drill points comprise drill points, and the drill points of the plurality of drill points are parallel along the length direction of the drill points;

and the driving unit is connected with the drill needle assembly and is used for driving the drill needle to rotate.

In some embodiments, the drill point comprises a drill rod, one end of the drill rod is connected with the drill point, the other end of the drill rod is connected with the driving unit, and the cross section of the drill rod is in a Lo triangle shape perpendicular to the length direction of the drill point.

In some embodiments, the end of the drill tip remote from the drill rod is a pointed end.

In some embodiments, a linkage unit is disposed between the driving unit and the drill point assembly, the linkage unit includes a plurality of gears, the plurality of gears are respectively connected with the drill point correspondingly, the driving unit is connected with the gears and is used for driving the gears to rotate, and the gears drive the drill point to rotate by taking the gear rotating shaft as an axis.

In some embodiments, the drill needle assembly comprises three drill needles, the gears are three, the gears are sequentially meshed, and the driving unit is connected with at least one of the gears and is used for driving the gears to rotate.

In some embodiments, the cross section of the drill needle is a lux triangle, the driving unit drives the drill needle to do circular motion with the gear rotating shaft as an axis, and the circular radius is 0.03-0.1 mm.

In some embodiments, it further comprises:

the transmission unit is arranged between the linkage unit and the drill point component, the transmission unit comprises a plurality of groups of transmission parts, the transmission parts comprise an upper universal joint and a lower universal joint connected with the upper universal joint, the upper universal joint is connected with the axle center of the gear, and the lower universal joint is connected with the drill point.

In some embodiments, it further comprises:

and the transmission unit and the linkage unit are arranged in the accommodating part.

In some embodiments, it further comprises:

the accommodating frame comprises a third partition plate, the transmission unit and the drill point assembly are respectively arranged at two ends of the third partition plate, a through hole for the drill point to pass through is clamped on the third partition plate, the through hole is square, and the side length of the through hole is equal to the section width of the drill point.

In some embodiments, the end of the drill point away from the driving unit is provided with scale marks.

The technical scheme provided by the application has the beneficial effects that:

the embodiment of the application provides a punching osteotomy drill, which is characterized in that a plurality of drill needles are distributed in a linear mode, the drilled holes are distributed in a linear mode, drill points of the drill needles are arranged in parallel along the length direction of the drill needles, the drill holes drilled by the drill needles are uniform in distance and depth, the drill holes are relatively parallel, the traditional circular drill holes are changed into rectangular drill holes, the tissue residues between the drill holes are fewer, the wall between the drill holes and the drill holes is thinner, and an operator can smoothly complete osteotomy, so that the problems that in the related art, the punching osteotomy drill is difficult to realize in-mouth osteotomy or bone flap cutting can be solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a drill bit according to an embodiment of the present application;

FIG. 2 is a front view of a hole-drilling osteotomy drill provided by an embodiment of the present application;

FIG. 3 is a side view of a hole-drilling osteotomy drill provided by an embodiment of the present application;

FIG. 4 is an enlarged view of FIG. 3 at A;

fig. 5 is a bottom view of a hole-punching osteotomy drill according to an embodiment of the application.

In the figure: 1. a driving unit; 2. a linkage unit; 21. a gear; 3. a transmission member; 31. an upper universal joint; 32. a lower universal joint; 4. a drill needle; 41. a drill rod; 42. a drill tip; 421. a drilling section; 5. a housing part; 51. a linkage unit accommodating part; 52. a transmission unit accommodating part; 6. a housing frame; 61. a first separator; 62. a second separator; 63. a third separator; 64. and (5) supporting the column.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The embodiment of the application provides a punching bone cutting drill, which can solve the problem that the punching bone cutting drill in the related art is difficult to realize the purpose of meeting the requirements of intraoral bone cutting or bone flap cutting.

Referring to fig. 1 to 5, an embodiment of the present application provides a hole-drilling osteotomy drill, which includes a drill needle assembly and a driving unit 1, wherein the drill needle assembly includes a plurality of drill needles arranged in a straight line, the drill needles 4 include drill tips 42, the drill tips 42 are used for drilling holes, the drill tips 42 of the plurality of drill needles 4 are parallel along the length direction of the drill needles 4, and the driving unit 1 is connected with the drill needle assembly and is used for driving the drill needles 4 to rotate.

Alternatively, the drive unit 1 may be a motor, the main function being to power the drill point 4; further, the driving unit 1 comprises a motor connected with the drill point component, and the motor is externally connected with a power supply, so that the drill point component 4 is driven to rotate when the motor rotates, and meanwhile, the driving unit is compatible with the conventional common operation power system on the market.

The embodiment of the application provides a punching osteotomy drill, because a plurality of drill needles 4 are in linear distribution, holes drilled by drill tips 42 are also in linear distribution, and the drill tips 42 of the drill needles 4 are arranged in parallel along the length direction of the drill needles 4, the drill holes drilled by the drill needles 4 have certain interval and consistent depth, and the drill channels are relatively parallel, and the traditional round drill holes or square drill holes are converted into the rectangular distributed drill holes, so that a fixed linear osteotomy line is formed, an operator can smoothly complete osteotomy, and on the other hand, except for intraoral osteotomy, the drill needles 4 of the punching osteotomy drill provided by the embodiment of the application have more advantages for operations such as tooth segmentation of bone flap cutting and tooth blocking and removing operation of the bone flap under the condition of similar operation space and limited sight, compared with the traditional cutting tool, and therefore, the problem that the punching osteotomy drill in the related art is difficult to realize the realization of meeting the requirements of intraoral osteotomy or bone flap cutting can be solved.

In some alternative embodiments, see fig. 1 to 4, the drill rod 4 comprises a drill rod 41, one end of the drill rod 41 being connected to the drive unit 1 and the other end being connected to the drill tip 42, and further, the cross section of the drill rod 41 being of the lehr triangle shape perpendicular to the length direction of the drill rod 4.

Specifically, the drill rod 41 is a triangular prism with a cross section of a lux triangle, the drill tip 42 is used for positioning, and the bottom view is shown in fig. 5; the drill rods 41 with the triangular sections of the lux are driven by the driving unit 1 to do small-amplitude circular motion by taking the center of the positioning hole drilled by the drill tip 42 as the center of the circle, the final drilling shape is a round rectangular hole, the adjacent drill rods 41 are arranged side by side as shown in fig. 1 and 2, and a relatively stable long side is arranged between the final drilled holes, so that even if a small amount of residual tissues possibly exist between square drilling holes, natural vibration generated during the working of the drill needle 4 can be eliminated. Compared with a round hole drilled by a traditional osteotomy drill, the hole-to-hole bone block connection is less, and osteotomy is more convenient.

Further, the cross-section of the drill tip 42 is also a lux triangle, i.e. the cross-section of the entire drill 4 is a rally triangle, which provides a spillway for chips while achieving square drilling.

In some alternative embodiments, referring to fig. 1 to 3, the driving unit 1 drives the drill point assembly to rotate through the linkage unit 2. Specifically, the linkage unit 2 is disposed between the driving unit 1 and the drill point assembly, the linkage unit 2 includes a plurality of gears 21, the number of the gears 21 is equal to that of the drill points 4, and the corresponding drill points 4 are correspondingly connected, the driving unit 1 is connected with the gears 21, and is used for driving the gears 21 to rotate, and the gears 21 further drive the drill points 4 to rotate by taking the rotating shaft of the gears 21 as an axis.

Further, the plurality of gears 21 are meshed with each other, the driving unit 1 is connected with one of the gears 21, and the gears 21 can drive the gears 21 meshed with the driving unit to rotate.

The application provides an embodiment, referring to fig. 1 and 2, the drill needle assembly comprises three drill needles 4, the linkage unit 2 comprises three gears 21, the three gears 21 are sequentially meshed, the driving unit 1 is connected with at least one of the gears 21 and is used for driving the gears 21 to rotate, preferably, the three gears 21 are in linear arrangement, the driving unit 1 is connected with the gears 21 positioned in the middle and drives the gears 21 to rotate, and then the gears 21 on two sides are driven to rotate, so that multi-drill linkage is realized;

the gear 21 connected to the driving unit 1 may be referred to as a main gear, the drill pins 4 connected to the main gear may be referred to as main drill pins, the number of the drill pins 4 at two sides of the main drill pin may be symmetrically increased or decreased, in this embodiment, that is, two or three drill pins 4 may be symmetrically increased, which is an example of symmetrically increasing one drill pin 4 at two ends of the main drill pin as shown in fig. 1.

Alternatively, the linkage unit 2 may also use a friction wheel, where the friction wheel connected to the driving unit 1 is referred to as a main friction wheel, and when the friction wheel works normally, the main friction wheel drives the driven wheel to rotate under the action of friction force, and the transmission keeps a substantially fixed rotation ratio. The linkage unit 2 in the embodiment of the application is preferably a gear 21 transmission, the engagement between the gears 21 is tighter, and there is no risk of slipping compared to a friction wheel transmission.

In some alternative embodiments, the drive unit 1 drives the drill tip 42 to perform a circular motion with the rotation axis of the gear 21 as an axis, and the radius of the circle may be 0.03-0.1 mm.

Specifically, the end of the drill tip 42 far away from the drill rod 41 is a drilling part 421, when the drill point 4 is driven to rotate by the driving unit 1, a positioning hole is drilled, and then the drilling and osteotomy drill is moved downwards, so that the drill point 4 is immersed, and the drilling is performed by virtue of the triangular cross section of the drill point 4; further, the lux triangle performs circular motion around the point, the drilled hole is a round square drilling hole, the plurality of drill needles 4 drill round square drilling holes which are arranged linearly, namely, a linear osteotomy line, a little residual tissue may exist between the plurality of round square drilling holes, and natural vibration generated during the operation of the drill needles 4 can be eliminated.

Further, to achieve as small a hole-punching interval as possible for each drill point 4, the drill points 4 should be arranged close to each other without affecting the rotation of the drill points. Optionally, the arrangement spacing between the drill pins 4 is no more than 0.02mm.

In some alternative embodiments, the hole punching and bone cutting drill further includes a transmission unit, specifically, the transmission unit is disposed between the linkage unit 2 and the drill needle assembly, the transmission unit includes multiple sets of transmission members 3, the transmission members 3 include an upper universal joint 31 and a lower universal joint 32 connected to the upper universal joint 31, the upper universal joint 31 is connected to the axle center of the gear 21, the lower universal joint 32 is connected to the drill needle 4, and when realizing high-speed rotation of the drill needle 4, the drill needle 4 is made to do small-amplitude circular motion with the drill hole center as an axle, so as to realize that a single drill needle 4 forms a square drill hole with a micro round angle.

Optionally, the punching osteotomy drill further comprises a containing part 5, and the transmission unit and the linkage unit 2 are arranged in the containing part 5. Further, the housing portion 5 includes a linkage unit housing portion 51 for housing the linkage unit 2, and a transmission unit housing portion 52 for housing the transmission unit.

Further, the hole punching and bone cutting drill comprises a containing frame 6, the containing frame 6 comprises a first partition 61, a second partition 62 and a third partition 63 which are arranged at one time, the first partition 61, the second partition 62 and the third partition 63 are connected through a supporting column 64, wherein the driving unit 1 is arranged on the first partition 61, a linkage unit containing part 51 for containing the linkage unit 2 is arranged between the first partition 61 and the second partition 62, and a transmission member containing part 52 for containing the transmission member 3 is arranged between the second partition 62 and the third partition 63. Specifically, the second partition plate 62 between the linkage unit 2 and the transmission member 3 can prevent chips drilled by the drill point 4 from splashing into the linkage unit 2, and the work of the gear 21 is affected.

Alternatively, as shown in fig. 1, through holes for the drill pins 4 to pass through are perforated on the third partition 63, and the number of through holes is identical to the number of drill pins. Further, the through hole is square, the side length of the square through hole is equal to the width of the drill needle 4 with the cross section of the triangle, namely, the through hole can play a role in limiting the rotation of the drill needle 4, and interference among the drill needles 4 caused by overlarge rotation circumference is avoided.

In some alternative embodiments, referring to fig. 2, the drill point 4 is provided with graduation marks to mark the length of the drill point 4 at different locations so that the operator can determine the depth of the drill point 4 into the bone.

According to the perforating osteotomy drill provided by the embodiment of the application, the drill needle 4 rotates through the driving unit 1, the drill needle 4 drills into bone in a certain angle and direction through the operation guide groove of the guide plate, the drilling depth is determined by mutual identification of the edge of the guide plate guide groove and the scale marks on the drill needle 4, physiological saline can be used for cooling when the drill needle 4 generates heat, as the section of the drill needle 4 is of a Leno triangle, the finally formed drill hole is a rectangular drill hole, the drill hole can be continuously drilled at other parts after one drilling is finished until the osteotomy line is completely drilled and penetrated, or a plurality of drill needles 4 are arranged for use as shown in fig. 1-2, the drilled bone blocks can be automatically broken, or the drill hole lines are inserted into the bone drill holes, and the bone blocks can be broken by light tapping, so that the osteotomy requirement is met. It should be noted that the hole punching osteotomy drill provided by the application still has a certain side cutting capability, and can also use the side for cutting as a conventional drill needle to complete the tasks of osteotomy and correction of the edge of an osteotomy line.

In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that in the present application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A punch osteotomy drill, comprising:

the drill point assembly comprises a plurality of drill points (4) which are arranged in a straight line, the drill points (4) comprise drill points (42), and the drill points (42) of the plurality of drill points (4) are parallel along the length direction of the drill points (4);

and the driving unit (1) is connected with the drill bit assembly and is used for driving the drill bit (4) to rotate.

2. The hole-punching osteotomy drill of claim 1, wherein:

the drill point (4) comprises a drill rod (41), one end of the drill rod (41) is connected with the drill point (42), the other end of the drill rod is connected with the driving unit (1), the cross section of the drill rod (41) is in a Lorentz shape, and the cross section of the drill rod is perpendicular to the length direction of the drill point (4).

3. The hole-punching osteotomy drill of claim 2, wherein:

the end of the drill tip (42) remote from the drill rod (41) is a sharp end.

4. The hole-punching osteotomy drill of claim 1, wherein:

the novel drilling machine comprises a driving unit (1) and a drill point assembly, wherein a linkage unit (2) is arranged between the driving unit (1) and the drill point assembly, the linkage unit (2) comprises a plurality of gears (21), the gears (21) are respectively correspondingly connected with the drill point (4), the driving unit (1) is connected with the gears (21) and is used for driving the gears (21) to rotate, and the gears (21) drive the drill point (4) to rotate by taking a rotating shaft of the gears (21) as an axis.

5. The hole-punching osteotomy drill of claim 4, wherein:

the drill point assembly comprises three drill points (4), three gears (21) are meshed with each other in sequence, and the driving unit (1) is connected with at least one gear (21) and used for driving the gears (21) to rotate.

6. The hole-punching osteotomy drill of claim 4, wherein:

the cross section of the drill needle (4) is a Lorentz triangle, the driving unit (1) drives the drill needle (4) to do circular motion by taking the rotating shaft of the gear (21) as an axis, and the circular radius is 0.03-0.1 mm.

7. The drill osteotomy drill of claim 6, further comprising:

the transmission unit is arranged between the linkage unit (2) and the drill point component, the transmission unit comprises a plurality of groups of transmission parts (3), each transmission part (3) comprises an upper universal joint (31) and a lower universal joint (32) connected with the upper universal joint (31), the upper universal joint (31) is connected with the axle center of the gear (21), and the lower universal joint (32) is connected with the drill point (4).

8. The drill osteotomy drill of claim 7, further comprising:

and the transmission unit and the linkage unit (2) are arranged in the accommodating part (5).

9. The drill osteotomy drill of claim 7, further comprising:

the accommodating frame (6) comprises a third partition plate (63), the transmission unit and the drill point assembly are respectively arranged at two ends of the third partition plate (63), a through hole used for the drill point (4) to pass through is clamped on the third partition plate (63), the through hole is square, and the side length of the through hole is equal to the section width of the drill point (4).

10. The hole-punching osteotomy drill of claim 1, wherein:

and one end of the drill needle (4) far away from the driving unit is provided with scale marks.