Optical positioning accessory for assisting edentulous jaw implantation surgery

Abstract

The utility model discloses an optical positioning accessory for assisting an edentulous jaw implantation operation, which relates to the technical field of medical instruments and comprises an edentulous jaw titanium nail, a bottom plate, a connecting rod, a titanium nut and an optical positioner, according to the utility model, through the matching of the edentulous titanium nail and the titanium nut, the bottom plate is fixed on a dentale, and then the bottom plate is connected with the optical positioner by using the connecting rod, so that the tracking host can be used for surgical navigation, the problem of optical positioning in the current edentulous implant surgery is solved, and the success rate and the safety of the surgery are improved; the adjusting adapter is used as a medium and is detachably connected with the connecting rod and the optical positioner, quick disassembly and assembly are realized, and in addition, the L-shaped connecting rod is matched with the U-shaped bottom plate, so that the optical positioning accessory can be prevented from being in contact with the lips of a patient.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially relates to a kind of using optical tracking technology to carry out implantation operation navigation field. BACKGROUND

[0002] In the current oral implantation operation navigation field, edentulous jaw implantation operation has always been a difficult problem. With the continuous development of medical technology, many manufacturers try to use implantation operation navigation to assist in edentulous jaw surgery to improve the accuracy and safety of the operation. However, in the actual operation process, many challenges are faced.

[0003] Currently, it is difficult to reliably connect the optical positioning element with the patient's bone. In the existing technical solution, although some manufacturers try to fix the optical positioning element on the oral bone, the connection method is not firm, which brings great risk to the operation. Due to the instability of the connection, the optical positioning element may be displaced or detached during the operation, affecting the accuracy of the operation navigation and increasing the uncertainty and risk coefficient of the operation. This unreliable connection method may cause the operation to fail, and even seriously affect the health of the patient.

[0004] Therefore, there is an urgent need for an auxiliary accessory that can stably and reliably connect the optical positioning element with the patient's bone to solve the problem of optical positioning in current edentulous jaw implantation surgery and improve the success rate and safety of the operation. SUMMARY

[0005] The utility model provides a kind of optical positioning accessory for assisting edentulous jaw implantation surgery, solve the technical problem that current oral implantation operation navigation's edentulous jaw accessory cannot be reliably fixed on oral bone.

[0006] To solve the above technical problems, the utility model provides a kind of optical positioning accessory for assisting edentulous jaw implantation surgery, including edentulous jaw titanium nail, bottom plate, connecting rod, titanium nut and optical positioner;The bottom end of the edentulous jaw titanium nail is provided with self-tapping thread, and the upper part is provided with step and fastening thread, the number of the edentulous jaw titanium nail is two, the edentulous jaw titanium nail is screwed into the tooth bone lock by self-tapping thread;One side of the bottom plate is provided with round hole and long slot, and the other side is provided with threaded hole, one of the edentulous jaw titanium nail is connected with the round hole of bottom plate by titanium nut, and the other edentulous jaw titanium nail is connected with the long slot of bottom plate by titanium nut;The connecting rod is round rod, and one end is provided with fastening hole, and screw passes through fastening hole and is connected with the threaded hole of bottom plate;The other end of the connecting rod is detachably connected with the optical positioner.

[0007] In some embodiments, one end of the optical positioner is provided with a connector, the end of the connector is provided with a slot, and the side surface of the connector is provided with an internal hexagonal screw.

[0008] In some embodiments, further comprising an adjusting adapter, one end of the adjusting adapter matches the inner diameter of the slot of the connector, and the one end of the adjusting adapter is locked by an internal hexagonal screw.

[0009] In some embodiments, the side of the adjusting adapter is provided with a hand screw, and one end of the adjusting adapter is provided with a socket, the diameter of the socket is larger than the outer diameter of the connecting rod, and the connecting rod is inserted into the socket and locked by the hand screw.

[0010] In some embodiments, the connecting rod is L-shaped, and the number of fastening holes on the plane of one end of the connecting rod is at least two.

[0011] In some embodiments, the bottom plate is U-shaped, and the width of the opening is greater than the thickness of the lips.

[0012] In some embodiments, the surface of the optical positioner is provided with a plurality of reflective points, and the surgical navigation is performed in cooperation with a tracking host.

[0013] In some embodiments, one end of the connecting rod provided with the fastening hole is processed into a plane, so as to facilitate the generation of a large enough friction force with the screw.

[0014] In some embodiments, the tip of the self-tapping thread is provided with a cutting edge, and the top end of the edentulous jaw titanium nail is provided with a hexagonal column matched with the sleeve.

[0015] Compared with the related art, the optical positioning accessory for assisting in the edentulous jaw implantation surgery has the following beneficial effects:

[0016] The optical positioning accessory for assisting in the edentulous jaw implantation surgery fixes the bottom plate on the tooth bone through the cooperation of the edentulous jaw titanium nail and the titanium nut, connects the bottom plate and the optical positioner by the connecting rod, and can use the tracking host to perform surgical navigation, so as to solve the optical positioning problem in the current edentulous jaw implantation surgery and improve the success rate and safety of the surgery.

[0017] The optical positioning accessory for assisting in the edentulous jaw implantation surgery is detachably connected with the connecting rod and the optical positioner through the adjusting adapter as a medium, can be quickly disassembled, and can avoid the contact between the optical positioning accessory and the lips of the patient by matching the L-shaped connecting rod with the U-shaped bottom plate. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The overall structure of the utility model is shown Figure 1 ;

[0019] Figure 2This is a schematic diagram of the overall structure of the present invention. Figure 2 ;

[0020] Figure 3 This is a schematic diagram of the titanium screw structure for edentulous jaws according to this utility model;

[0021] Figure 4 This is a diagram illustrating the effect of fixing the present invention to the upper jawbone;

[0022] Figure 5 This is a diagram showing the effect of fixing the lower jawbone with this utility model.

[0023] Numbered in the diagram: 1. Titanium screw for edentulous jaw; 2. Base plate; 3. Connecting rod; 4. Adjusting adapter; 5. Titanium nut; 6. Hand screw; 7. Optical locator; 11. Step; 12. Self-tapping thread; 13. Cutting edge; 14. Fastening thread; 15. Hexagonal prism; 100. Upper jawbone; 200. Lower jawbone. Detailed Implementation

[0024] Example 1

[0025] This embodiment provides an optical positioning accessory to assist in edentulous jaw implant surgery, such as... Figures 1-3 As shown, this utility model includes a titanium nail 1 for edentulous jaws, a base plate 2, a connecting rod 3, a titanium nut 5, and an optical locator 7.

[0026] The bottom end of the edentulous titanium nail 1 is provided with a self-tapping thread 12, and the upper part is provided with a step 11 and a fastening thread 14. There are two edentulous titanium nails 1. The edentulous titanium nail 1 is screwed into the bone and locked by the self-tapping thread. The tip of the self-tapping thread 12 is provided with a cutting edge 13 to facilitate penetration into the bone. The top of the edentulous titanium nail 1 is provided with a hexagonal prism 15 to facilitate the connection between the edentulous titanium nail 1 and the sleeve.

[0027] One side of the base plate 2 is provided with a round hole and a long groove, and the other side is provided with a threaded hole. One of the edentulous titanium nails 1 is connected to the round hole of the base plate 2 through a titanium nut 5, and the other edentulous titanium nail 1 is connected to the long groove of the base plate 2 through a titanium nut 5. In order to ensure the stability of the connection, it is preferable to use two edentulous titanium nails 1 to fix to the bone. After the first edentulous titanium nail 1 is used to pass through the round hole of the base plate 2 and connect to the bone, the second edentulous titanium nail 1 is then used to pass through the long groove. At this time, the installation position of the second edentulous titanium nail 1 can be adjusted as needed.

[0028] The connecting rod 3 is a round rod with one end machined into a flat surface and provided with a fastening hole. The screw passes through the fastening hole and connects to the threaded hole of the base plate 2.

[0029] The surface of the optical locator 7 is provided with several reflective dots, which are easy for the tracking host to identify and improve the accuracy of surgical navigation. The other end of the connecting rod 3 is detachably connected to the optical locator 7.

[0030] In this embodiment, the bottom plate 2 is fixed on the tooth bone by the cooperation of the edentulous jaw titanium nail 1 and the titanium nut 5, and then the bottom plate 2 is connected with the optical positioner 7 by the connecting rod 3, so that the tracking host can be used for surgical navigation to solve the optical positioning problem in the current edentulous jaw implant surgery and improve the success rate and safety of the surgery.

[0031] Embodiment two

[0032] On the basis of embodiment one, one end of the optical positioner 7 is provided with a connecting head, the end of the connecting head is provided with a slot, and the side surface of the connecting head is provided with an internal hexagonal screw. An adjusting adapter 4 is further included, the outer diameter of one end of the adjusting adapter 4 matches the inner diameter of the slot of the connecting head, and the one end of the adjusting adapter 4 is locked by the internal hexagonal screw. A hand screw 6 is threadedly installed on the side surface of the adjusting adapter 4, one end of the adjusting adapter 4 is provided with a plug hole, the diameter of the plug hole is greater than the outer diameter of the connecting rod 3, and the end of the connecting rod 3 away from the fastening hole is inserted into the plug hole and locked by the hand screw 6.

[0033] In this embodiment, the specific way of detachable connection between the connecting rod 3 and the optical positioner 7 is further disclosed, and the adjusting adapter 4 is used as a medium to be connected with the connecting rod 3 and the optical positioner 7 respectively.

[0034] Embodiment three

[0035] On the basis of embodiment one, as shown in Figures 4-5 , the connecting rod 3 of this embodiment is L-shaped, the number of fastening holes on the plane of one end of the connecting rod 3 is at least two, and the bottom plate 2 is U-shaped.

[0036] In this embodiment, as shown in Figure 4 , when the bottom plate 2 is fixed with the upper tooth bone 100, by using the cooperation of the L-shaped connecting rod 3 and the U-shaped bottom plate 2, when the end of the connecting rod 3 is installed downward, the U-shaped mouth of the bottom plate 2 faces upward, the contact between the bottom plate 2 and the upper lip can be avoided, as shown in Figure 5 , when the bottom plate 2 is fixed with the lower tooth bone 200, by changing the installation direction of the bottom plate 2, the contact with the lower lip can be avoided.

[0037] Working principle: by the cooperation of the edentulous jaw titanium nail 1 and the titanium nut 5, the bottom plate 2 is fixed on the tooth bone, and then the bottom plate 2 is connected with the optical positioner 7 by the connecting rod 3, so that the tracking host can be used for surgical navigation to solve the optical positioning problem in the current edentulous jaw implant surgery and improve the success rate and safety of the surgery; in addition, the adjusting adapter 4 is used as a medium to realize detachable connection with the connecting rod 3 and the optical positioner 7 respectively, so that quick disassembly and assembly are realized, in addition, the cooperation of the L-shaped connecting rod 3 and the U-shaped bottom plate 2 can avoid the contact between the optical positioning accessory and the patient's lip.

[0038] Implementation steps:

[0039] S1: Before operation, select two positions on the bone and select the approximate direction, then screw the edentulous jaw titanium nail 1 into the selected position;

[0040] S2: Fix the bottom plate 2 and connecting rod 3 assembled into one body on the edentulous jaw titanium nail 1 with titanium nut 5;

[0041] S3: Insert the adjusting adapter 4 into the connecting head slot of the optical positioner 7 and lock it with the internal hexagonal screw;

[0042] S4: Then, put the insertion hole of the adjusting adapter 4 into the round end of the connecting rod 3, adjust the direction, tighten the hand screw 6, and fix the optical positioner 7. In this way, the whole optical accessory support is fixed, and the operation navigation can be performed with the tracking host.

Claims

1. An optical positioning accessory to assist in implant surgery in edentulous jaws, characterized in that: It comprises titanium nails for edentulous jaw, bottom plate, connecting rod, titanium nut and optical locator. The bottom end of the titanium nail for edentulous jaw is provided with self-tapping thread, and the upper part is provided with step and fastening thread. The number of the titanium nails for edentulous jaw is two. One of the titanium nails for edentulous jaw is connected with the bottom plate through titanium nut and the other is connected with the bottom plate through long slot. The connecting rod is round rod, and one end is provided with fastening hole.

2. The optical positioning accessory for assisting in implant surgery of edentulous jaws according to claim 1, characterized in that The other end of the connecting rod is detachably connected with the optical locator.

3. An optical positioning accessory to assist in implant surgery in edentulous jaws according to claim 2, characterized in that, One end of the optical locator is provided with connecting head.

4. An optical positioning accessory to assist in implant surgery in edentulous jaws according to claim 3, characterized in that, The end of the connecting head is provided with insertion slot.

5. The optical positioning accessory for assisting in implant surgery of edentulous jaws according to claim 1, characterized in that, The side of the connecting head is provided with internal hexagonal screw.

6. The optical positioning accessory for assisting in implant surgery of edentulous jaws according to claim 1, characterized in that It also comprises adjusting adapter.

7. The optical positioning accessory of claim 1, wherein, One end of the adjusting adapter is matched with the inner diameter of the insertion slot of the connecting head.

8. The optical positioning accessory for assisting in implant surgery of edentulous jaws according to claim 1, characterized in that One end of the adjusting adapter is locked through internal hexagonal screw.

9. The optical positioning accessory of claim 1, wherein, The side of the adjusting adapter is provided with hand screw. One end of the adjusting adapter is provided with insertion hole. The diameter of the insertion hole is larger than the outer diameter of the connecting rod. The end of the connecting rod away from the fastening hole is inserted into the insertion hole and locked through hand screw. The connecting rod is L-shaped. The number of the fastening holes on the plane of one end of the connecting rod is at least two. The bottom plate is U-shaped. The surface of the optical locator is provided with several reflective points. One end of the connecting rod provided with fastening hole is processed into plane. The tip of the self-tapping thread is provided with cutting edge. The top end of the titanium nail for edentulous jaw is provided with hexagonal column matched with sleeve.

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