CN219331802U

CN219331802U - Individualized craniomaxillofacial orthopedic baffle

Info

Publication number: CN219331802U
Application number: CN202223037481.2U
Authority: CN
Inventors: 林锦新; 黄永才; 杨森海; 李向荣; 胡汝明
Original assignee: FUJIAN CTRUE MATERIALS TECHNOLOGIES CO LTD
Current assignee: FUJIAN CTRUE MATERIALS TECHNOLOGIES CO LTD
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-07-14
Anticipated expiration: 2032-11-15

Abstract

The utility model discloses a personalized craniomaxillofacial orthopedic guide plate, which comprises a guide plate body, wherein the middle part of the guide plate body is provided with a front nasal spine occlusion part, the guide plate body comprises a pair of detachable structural bodies and connecting plates for connecting the structural bodies, two sides of each connecting plate are provided with tearing lines, one far away end of each structural body is provided with an elastic band for hanging a lug, and the elastic band and the structural bodies can be quickly detached; the structure body is characterized in that a marking line is marked on the structure body, a plurality of marking holes penetrating through the structure body are formed along the marking line, a plurality of positioning holes penetrating through the surface of the structure body are further formed in the structure body, and a detachable guide body is arranged in each positioning hole. According to the utility model, by arranging the structural body, the connecting plate, the tearing line and the elastic band, even if the guide plate main body is not fixed with the front wall of the maxilla, a quite stable occlusion effect can be realized, and the connecting plate is removed at proper time, so that the structural bodies are mutually independent, the flexibility is higher, and the practicability is improved.

Description

Individualized craniomaxillofacial orthopedic baffle

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a personalized craniomaxillofacial orthopedic guide plate.

Background

Osteotomy orthopedic surgery includes craniomaxillofacial orthopedic surgery, in which an orthopedic guide matching the patient's facial bone is printed out prior to surgery, typically in accordance with surgical data provided by a surgical plan analysis system, in combination with 3D printing techniques. The prior patent (publication number: CN 105266874B) discloses a surgical guide plate for a LeFort I type maxillary resection and a design method thereof, and the utility model has the function of self-limiting positioning by arranging a pear-shaped hole edge limiting structure and a front nasal spine part limiting structure on the guide plate, so that the surgical guide plate can be meshed with the front wall of a maxillary bone of a patient, the fixing effect can be realized theoretically without fixing, but before a titanium plate is not installed in actual surgery, the collision of a surgical instrument and the guide plate can cause the guide plate to fall off, the guide plate can be polluted, and the guide plate needs to be sleeved again to influence the surgery progress. To this end we propose a personalized craniomaxillofacial orthopedic guide.

Disclosure of Invention

The utility model aims to provide a personalized craniomaxillofacial orthopedic guide plate to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the personalized craniomaxillofacial orthopedic guide plate comprises a guide plate body, wherein the middle part of the guide plate body is provided with a front nasal spine occlusion part, the guide plate body comprises a pair of detachable structural bodies and a connecting plate for connecting the structural bodies, two sides of the connecting plate are provided with tearing lines, one far away from each other end of the structural bodies is provided with an elastic band for hanging lugs, and the elastic band and the structural bodies can be quickly detached;

the structure body is characterized in that a marking line is marked on the structure body, a plurality of marking holes penetrating through the structure body are formed along the marking line, a plurality of positioning holes penetrating through the surface of the structure body are further formed in the structure body, and a detachable guide body is arranged in each positioning hole.

Preferably, the end part of the structure body is provided with a connecting lug, an elastic column body is fixed on the connecting lug, the end part of the elastic band is sleeved on the elastic column body, and the elastic column body is connected with a mounting cap.

Preferably, a sleeve joint hole matched with the elastic column body is formed in the mounting cap, a limiting ring is fixed at a port at the outer side of the sleeve joint hole, and a limiting groove matched with the limiting ring is formed in the column body of the elastic column body.

Preferably, the guide body comprises a cylinder body with two open ends, and one end of the cylinder body is provided with a connecting ring in threaded connection with the positioning hole.

Preferably, the bottom end of the connecting plate is provided with a tilting part.

Compared with the prior art, the utility model has the beneficial effects that: through setting up structure, the connecting plate, tear line and elastic cord, constitute a complete baffle main part with the structure that should separate each other through the connecting plate, the cooperation is located the anterior nasal thorn interlock portion at baffle main part middle part, make its and the stable interlock of upper jaw front wall, the elastic cord that is located the structure tip of recombination, tightly cover the elastic cord on the ear, make the baffle main part turn into wearable operation equipment, even not fixed with baffle main part and upper jaw front wall, also can realize fairly stable interlock effect, utilize the elastic cord, the wearing steadiness of baffle main part has been strengthened greatly, the security of operation has been improved, demolish the connecting plate along the tear line in good time according to the operation progress, make the structure mutually independent, and has stronger flexibility, the practicality is improved.

Drawings

FIG. 1 is a schematic diagram of the front structure of a personalized craniomaxillofacial orthopedic guide according to the present utility model;

FIG. 2 is a schematic view of the back structure of a personalized craniomaxillofacial orthopedic guide according to the present utility model;

FIG. 3 is a schematic view of the connection structure of elastic bands of a personalized craniomaxillofacial orthopedic guide according to the present utility model;

fig. 4 is a schematic structural view of a guide body of a personalized craniomaxillofacial orthopedic guide according to the present utility model.

In the figure: the structure body 1, the tearing line 2, the connecting plate 3, the warping part 4, the positioning hole 5, the guide body 6, the cylinder body 61, the connecting ring 62, the front nose thorn occlusal part 7, the marking hole 8, the marking line 9, the elastic band 10, the elastic column 11, the mounting cap 12, the sleeving hole 13, the limiting ring 14, the limiting groove 15 and the connecting lug 16.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the personalized craniomaxillofacial orthopedic guide plate comprises a guide plate body, wherein the middle part of the guide plate body is provided with a front nose thorn occluding part 7, the front nose thorn occluding part 7 is matched with the front nose thorn part of a human face, the guide plate body comprises a pair of detachable structural bodies 1 and connecting plates 3 for connecting the structural bodies 1, tearing lines 2 are arranged on two sides of each connecting plate 3, the connecting plates 3 are formed with the structural bodies 1 in an integral manner, and the connecting plates 3 are easy to detach by arranging the tearing lines 2, so that the integral guide plate body is changed into mutually independent structural bodies 1;

further, the bottom end of the front surface of the connecting plate 3 is provided with a tilting part 4; the tilting part 4 forms an included angle with the surface of the connecting plate 3, the included angle is between 30 degrees and 90 degrees, and the length of the included angle is similar to the length of the first section of the finger, so that a doctor in operation can hold the tilting part 4 to tear the connecting plate 3;

one end of the structure body 1 far away from each other is provided with an elastic band 10 for hanging lugs, and the elastic band 10 can be quickly detached from the structure body 1; the elastic band 10 can be a high-elasticity medical latex tube, can be reused after necessary sterilization after operation,

further, the end part of the structure body 1 is provided with a connecting lug 16, the connecting lug 16 and the structure body are integrally formed, an elastic column 11 is fixed on the connecting lug 16, the end part of the elastic band 10 is sleeved on the elastic column 11, and the elastic column 11 is connected with a mounting cap 12;

specifically, the two ends of the elastic band 10 are looped through knots, the loop is sleeved on the elastic column 11, and then the mounting cap 12 is covered on the elastic column 11;

further, a sleeve joint hole 13 matched with the elastic column 11 is arranged in the mounting cap 12, the radius of the sleeve joint hole 13 is the same as that of the elastic column 11, a limiting ring 14 with the radius obviously larger than that of the sleeve joint hole 13 is fixed at the outer side port of the sleeve joint hole 13, and a limiting groove 15 matched with the limiting ring 14 is arranged on the column body of the elastic column 11; in the process of sleeving the mounting cap 12, the elastic column 11 successfully enters the sleeving hole 13 by utilizing the elastic deformation of the elastic column 11, and the limiting ring 14 is clamped in the limiting groove 15, so that the mounting cap 12 is not easy to separate from the elastic column 11, and the mounting cap is convenient to detach;

specifically, through setting up structure 1, connecting plate 3, tear line 2 and elastic cord 10, constitute a complete baffle main part with structure 1 that should separate each other through connecting plate 3, the cooperation is located anterior nasal thorn interlock portion 7 in baffle main part middle part, make its and the stable interlock of maxillary anterior wall, the elastic cord 10 that is located structure 1 tip of the recombination, tightly cover elastic cord 10 on the ear, make the baffle main part turn into wearable operation equipment, even not fixed baffle main part and maxillary anterior wall, also can realize fairly stable interlock effect, utilize elastic cord 10, greatly strengthened the wearing steadiness of baffle main part, the security of operation has been improved, dismantle connecting plate 3 according to the operation progress in good time along tear line 2, make structure 1 mutually independent, have stronger flexibility, the practicality has been improved.

Marking lines 9 used for indicating osteotomies are marked on the structural body 1, a plurality of marking holes 8 penetrating through the structural body 1 are formed along the marking lines 9, an operation drill penetrates into the maxilla through the marking holes 8, then the osteotomies are marked on the maxilla, a plurality of positioning holes 5 penetrating through the surfaces of the positioning holes 5 are formed in the structural body 1, the positioning holes 5 are used for positioning titanium nails, the operation drill penetrates into the maxilla through the positioning holes 5 and then drills so as to determine the positions of the titanium nails, a detachable guide body 6 is arranged in the positioning holes 5, and the titanium nails are perpendicular to the front wall of the maxilla by using the guide body 6;

further, the guide body 6 comprises a cylinder 61 with two open ends, one end of the cylinder 61 is provided with a connecting ring 62 in threaded connection with the positioning hole 5, the radius of the connecting ring 62 is smaller than that of the cylinder 61, and the height of the connecting ring 62 is equal to the depth of the positioning hole 5, so that the end of the cylinder 61 is abutted against the surface of the structure body 1; is convenient to disassemble and assemble, and can be reused after cleaning and disinfection.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The personalized craniomaxillofacial orthopedic guide plate comprises a guide plate body with a front nasal spine occlusion part (7) at the middle part, and is characterized in that: the guide plate body comprises a pair of detachable structural bodies (1) and a connecting plate (3) for connecting the structural bodies (1), wherein tearing lines (2) are arranged on two sides of the connecting plate (3), elastic bands (10) for hanging lugs are arranged at one ends, away from each other, of the structural bodies (1), and the elastic bands (10) can be quickly detached from the structural bodies (1);

marking lines (9) are marked on the structural body (1), a plurality of marking holes (8) penetrating through the structural body (1) are formed along the marking lines (9), a plurality of positioning holes (5) penetrating through the surface of the structural body (1) are further formed in the structural body (1), and detachable guide bodies (6) are arranged in the positioning holes (5).

2. A personalized craniomaxillofacial orthopedic guide according to claim 1, wherein: the structure body (1) tip is equipped with engaging lug (16), be fixed with elastic column body (11) on engaging lug (16), elastic cord (10) tip cover is on elastic column body (11), be connected with installation cap (12) on elastic column body (11).

3. A personalized craniomaxillofacial orthopedic guide according to claim 2, wherein: the mounting cap (12) is internally provided with a sleeve joint hole (13) matched with the elastic column body (11), a limiting ring (14) is fixed at the outer side port of the sleeve joint hole (13), and a limiting groove (15) matched with the limiting ring (14) is formed in the column body of the elastic column body (11).

4. A personalized craniomaxillofacial orthopedic guide according to claim 1, wherein: the guide body (6) comprises a cylinder body (61) with two open ends, and a connecting ring (62) in threaded connection with the positioning hole (5) is arranged at one end of the cylinder body (61).

5. A personalized craniomaxillofacial orthopedic guide according to claim 1, wherein: the bottom end of the connecting plate (3) is provided with a tilting part (4).