Drill needle guide device for zygomatic implant surgery

Abstract

The utility model provides a drill point guiding device for a zygomatic implant surgery, which comprises a sliding rod, one end of the sliding rod is fixedly connected with a first guiding rod, and the first guiding rod is provided with a first guiding hole; a second guide rod and a positioning rod are slidably connected to the sliding rod, a second guide hole is formed in the second guide rod, and the first guide hole, the second guide hole and the tail end of the positioning rod are collinear; the first guide rod extends into the oral cavity and is used for marking the drilling position of the drill point; the second guide rod enters the maxillary sinus through the window and is used for guiding the drill point in cooperation with the first guide rod; the positioning rod is located on the face of the patient and used for marking the drilling position of the drill point. According to the utility model, the first guide rod and the second guide rod are used for guiding the drill point drilled into the maxillary sinus, and the drilling position of the drill point is indicated through the positioning rod, so that a drill bit can be accurately and directly punched to the cheekbone through the maxillary sinus in a blind visual field, the success rate of a zygomatic implant operation is improved, and the operation risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to oral cavity medical instrument technical field especially, a kind of drill needle guiding device for transzygomatic implant surgery. BACKGROUND

[0002] Transzygomatic implant surgery needs to implant special length implant (long implant) into the best human bone quality zygoma, to enhance the overall stability of implant tooth. The surgery greatly reduces the requirement for alveolar bone mass, is beneficial to maxillary dentition loss with remaining bone mass seriously insufficient patient.

[0003] The scheme of traditional transzygomatic implant surgery needs to be operated under the premise of flap surgery and blind field, directly penetrates to zygoma through lengthened drill bit via maxillary sinus. If the operation direction is not good for implant doctor with less zygoma implant experience in surgery, if it is from other position side-penetrating, it can injure surrounding nerve and blood vessel or eye bottom, thereby causing serious complication. Therefore, how to improve the success rate of transzygomatic implant surgery and reduce the risk of surgery is a problem to be solved at present. SUMMARY

[0004] The utility model provides a kind of drill needle guiding device for transzygomatic implant surgery, to solve the problem that direction is difficult to master in traditional transzygomatic implant surgery, and easy to cause complication.

[0005] The technical scheme of the utility model is as follows:

[0006] The utility model provides a kind of drill needle guiding device for transzygomatic implant surgery, including slide bar, the one end of slide bar is fixedly connected with first guide rod, and first guide hole is formed in the first guide rod;Second guide rod and positioning rod are slidably connected on the slide bar, second guide hole is formed in the second guide rod, and the end of first guide hole, second guide hole and positioning rod is collinear;The first guide rod extends into oral cavity, for marking the drilling position of drill needle;Second guide rod enters maxillary sinus inside through windowing, for guiding drill needle in cooperation with first guide rod;Positioning rod is located on patient's face, for marking the drilling position of drill needle.

[0007] The utility model guides drill needle drilled into maxillary sinus inside using first guide rod and second guide rod, and indicates the drilling position of drill needle by positioning rod located on patient's face, can accurately penetrate drill bit to zygoma via maxillary sinus under blind field, to improve the success rate of transzygomatic implant surgery, reduce the risk of surgery.

[0008] Specifically, first slide seat and second slide seat are slidably sleeved on the slide bar, and the second guide rod and the positioning rod are fixedly installed at the bottom of the first slide seat and the second slide seat respectively, to facilitate adjusting the position of the second guide rod and the positioning rod on the slide bar according to actual situation.

[0009] Further, the top of the first sliding seat and the second sliding seat is respectively provided with a locking screw, which is used for fixing the first sliding seat and the second sliding seat on the slide rod, so as to avoid displacement of the second guide rod and the positioning rod during drilling.

[0010] Further, the top of the second sliding seat is provided with a holding part, which is convenient for holding the guide device.

[0011] Specifically, the side of the slide rod is provided with a scale along the length direction, which is used for marking the distance between the first guide rod, the second guide rod and the positioning rod, so that the depth of the prepared hole can be quickly determined, and data reference for selection of the length of the implant in the later period is provided.

[0012] Specifically, the end of the positioning rod is a tapered tip, which is convenient for accurately indicating the position of the drill needle penetrating out of the zygoma. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0014] Figure 1 It is a structure schematic view of the drill needle guide device for zygomatic implant surgery of the present application.

[0015] Figure 2 It is an effect schematic view of the guide device and the drill needle used in the embodiment of the present application.

[0016] In the figure: 1, slide rod; 2, first guide rod; 3, first guide hole; 4, second guide rod; 5, positioning rod; 6, second guide hole; 7, drill needle; 8, first sliding seat; 9, second sliding seat; 10, locking screw; 11, holding part; 12, scale; 13, tapered tip. DETAILED DESCRIPTION

[0017] The technical solutions of the present application will be described clearly and completely below by combining the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0018] REFERENCE Figure 1 , 2The utility model provides a kind of drill needle guiding device for transzygomatic implantation surgery, including slide bar 1, one end of the slide bar 1 is fixedly connected with first guide rod 2, first guide hole 3 is opened in the first guide rod 2;Second guide rod 4 and positioning rod 5 are slidably connected on the slide bar 1, second guide hole 6 is opened in the second guide rod 4, the end of the first guide hole 3, second guide hole 6 and positioning rod 5 three points are collinear;The first guide rod 2 extends into oral cavity, for marking the drilling position of drill needle 7;Second guide rod 4 is into maxillary sinus inside by windowing, for guiding drill needle 7 with first guide rod 2;Positioning rod 5 is located on patient's face, for marking the drilling position of drill needle 7.

[0019] The utility model utilizes first guide rod 2 and second guide rod 4 to guide drill needle 7 drilled into maxillary sinus inside, and indicates the drilling position of drill needle 7 by positioning rod 5 located on patient's face, can accurately drill bit directly through maxillary sinus to zygoma under blind vision, to improve the success rate of transzygomatic implantation surgery, reduce surgical risk.

[0020] In the embodiment, in addition to being used for guiding drill needle 7 with first guide rod 2, second guide rod 4 also plays the role of pushing away sinus membrane, to avoid sinus membrane damage.

[0021] Specifically, first slide base 8 and second slide base 9 are slidably arranged on the slide bar 1, second guide rod 4 and positioning rod 5 are fixedly installed at the bottom of first slide base 8 and second slide base 9 respectively, to facilitate adjusting the position of second guide rod 4 and positioning rod 5 on the slide bar 1 according to actual situation.

[0022] Further, the top of first slide base 8 and second slide base 9 is respectively provided with set screw 10, for fixing first slide base 8 and second slide base 9 on the slide bar 1, to avoid displacement of second guide rod 4 and positioning rod 5 during drilling process.

[0023] Further, the top of second slide base 9 is provided with holding part 11, to facilitate holding guiding device. In specific implementation process, holding part 11 is disc-shaped, to facilitate thumb to pinch holding with index finger.

[0024] Specifically, the side of slide bar 1 is provided with scale line 12 along length direction, to mark the distance between first guide rod 2, second guide rod 4 and positioning rod 5, so that the depth of pre-holing can be quickly determined, to provide data reference for selecting how long implant body in later period.

[0025] Specifically, the end of positioning rod 5 is conical tip 13, to facilitate accurately indicating the position of drill needle 7 penetrating zygoma;In specific implementation process, conical tip 13 is polished round, to avoid pricking the skin of patient's face.

[0026] The method for using the guiding device of the embodiment is as follows:

[0027] As shown in Figure 2 Firstly, the positioning point of the patient's face is determined through imaging examination and clinical analysis, and is marked at the position; then, the maxillary sinus is externally windowed on the patient's face, the second guiding rod 4 is extended into the maxillary sinus through the window, and the first guiding hole 3 on the first guiding rod 2 is located at the drilling position of the drill 7, and the end of the positioning rod 5 is located at the positioning point of the patient's face; then, the first sliding seat 8 and the second sliding seat 9 are fixed on the sliding rod 1 through the locking screw 10; then, the extended drill 7 is passed through the first guiding hole 3 to enter the maxillary sinus, and then is passed through the second guiding hole 6, the drill 7 is guided through the first guiding hole 3 and the second guiding hole 6, so that the drill 7 accurately passes out from the specified position of the malar bone. The utility model utilizes the positioning principle of three points and one line to determine the path of the drill 7, which can ensure that the drill 7 safely passes out to the malar bone marking point, greatly reduces the operation difficulty and safety risk.

[0028] The above only describes the preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A drill guide for transmaxillary implant surgery, characterized in that The utility model relates to a kind of maxillary sinus drill, including slide bar (1), one end of the slide bar (1) is fixedly connected with first guide rod (2), first guide hole (3) is opened in the first guide rod (2);Second guide rod (4) and positioning rod (5) are slidably connected on the slide bar (1), second guide hole (6) is opened in the second guide rod (4), the first guide hole (3), second guide hole (6) and the end of positioning rod (5) are collinear;The first guide rod (2) extends into oral cavity, for marking the drilling position of drill needle (7);Second guide rod (4) is opened into maxillary sinus inside, for guiding drill needle (7) with first guide rod (2);Positioning rod (5) is located in patient face, for marking the drilling position of drill needle (7).

2. The drill guide for zygomatic implant surgery of claim 1, wherein, First slide (8) and second slide (9) are slidably arranged on the slide bar (1), and the second guide rod (4) and the positioning rod (5) are fixedly installed at the bottom of the first slide (8) and the second slide (9) respectively.

3. The drill guide for zygomatic implant surgery of claim 2, wherein, Tightening screw (10) is installed at the top of the first slide (8) and the second slide (9) respectively, for fixing the first slide (8) and the second slide (9) on the slide bar (1).

4. The drill guide for zygomatic implant surgery of claim 2, wherein, The top of the second slide (9) is provided with a holding portion (11).

5. The drill guide for transblepharoplasty implant surgery of claim 1 wherein, The side of the slide bar (1) is provided with a scale line (12) along the length direction.

6. The drill guide for zygomatic implant surgery of claim 1, wherein, The end of the positioning rod (5) is a tapered tip (13).

Images