CN216603055U - Fixed direction developing device of fibula mandible rebuilding operation - Google Patents
Fixed direction developing device of fibula mandible rebuilding operation Download PDFInfo
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- CN216603055U CN216603055U CN202121625704.XU CN202121625704U CN216603055U CN 216603055 U CN216603055 U CN 216603055U CN 202121625704 U CN202121625704 U CN 202121625704U CN 216603055 U CN216603055 U CN 216603055U
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- guide plate
- fibula
- mandible
- osteotomy groove
- osteotomy
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Abstract
The utility model discloses a fibula mandible reconstruction operation fixing guiding developing device, which is characterized in that: the bone cutting device comprises a guide plate (1), wherein a positioning hole (2) and a bone cutting groove (3) are formed in the guide plate; the developing position (4) is positioned in the guide plate small hole, and a titanium alloy small cylinder (5) is arranged in the developing position; the connecting rod (7) is fixedly connected with the guide plate (1). The utility model adopts a digital technology and a 3D printing technology, can accurately design the operation guide plate which is most suitable for a patient, can accurately cut bones in an operation by predicting the positions, the directions and the angles of the positioning holes (3) and the osteotomy grooves (2) of key points of jaw reconstruction and performing virtual planning design, thereby increasing the operation efficiency, increasing the arc surface transition at the edge (6) of the guide plate, and reducing the risk of scratching other parts in the operation.
Description
Technical Field
The utility model relates to a fibula mandible reconstruction operation fixing, guiding and developing device.
Background
Jaw bone tumor, trauma, inflammation, and other reasons often cause segmental defect of the jaw bone, the jaw bone is the bone with the largest facial area of a human body, the defect of the jaw bone greatly influences the facial appearance of a patient, and the jaw bone is the main component of the vocal function and the food intake function of the human body. The mandible is repaired in many ways, and the most common and effective way is autologous bone grafting, because the mandible is large in volume and the fibula grafting is mostly used. Therefore, the mandible and fibula reconstruction is a widely used operation type in clinical cases and is accepted by doctors and patients together. The chewing and occluding functions of the patient are improved while the appearance of the patient is restored.
In carrying out the jawbone operation under jaw, at first anaesthetize the patient, the patient belongs to the coma state at whole in-process, when carrying out the jawbone and cutting the bone and fibula, cut bone position and angle the most important, the patient position cuts the accurate nature of bone position to the doctor and has very big influence, generally need many medical personnel to carry out the position adjustment, main sword doctor needs to cooperate closely with medical personnel in the adjustment process, but so not only reduced the efficiency of operation, and it is unbalanced to have the external force very probably, cause the patient position unstable, doctor's lower position is inaccurate, thereby the operation degree of difficulty has been increased.
The conventional operation time is more than 6 hours, the anesthesia risk and blood loss risk of a patient in the operation are extremely huge, and most of the operation time is consumed in the material drawing of a graft and the adjustment of an osteotomy position in the operation process. The operation guide plate is utilized in the operation, so that not only can the precise excision position be navigated for a doctor, but also the operation time is reduced by 30 percent, and the operation risk is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a fibula mandible reconstruction surgery fixing and guiding developing device, overcomes the defects of the existing osteotomy device, and has the characteristic of accurate osteotomy through a 3D printing simulation structure.
The technical problem to be solved by the utility model is realized by the following technical scheme:
a fibula mandible reconstruction surgery fixing and guiding developing device comprises a guide plate, wherein a positioning hole and a bone cutting groove are formed in the guide plate; the developing position is positioned in the guide plate small hole, a titanium alloy small cylinder is arranged in the developing position, and the defect that the position of the guide plate cannot be developed by the conventional developing material and structure is overcome by the titanium alloy small cylinder. The connecting rod is fixedly connected with the guide plate; the edge of the guide plate is arc-shaped. The locating hole is the sunken hole.
The guide plate is fixedly connected with the holder through the connecting rod.
The connecting rod is connected with the two guide plates.
The device is a 3D printing model simulation use state device.
The device simulates the position, direction and angle of a positioning hole and an osteotomy groove of a jaw bone reconstruction guide plate through 3D printing model virtual design.
The 3D printing is electron beam metal printing, and the printing precision is within 0.01 mm.
The guide plate is made of medical resin materials or titanium alloy materials.
The height of the osteotomy groove is lengthened to 8-12 mm.
The osteotomy groove is positioned above the guide plate, and the included angle between the osteotomy groove and the guide plate in the X direction is 60 degrees; or the osteotomy groove and the osteotomy groove are intersected, and the included angle between the osteotomy groove and the osteotomy groove is 28 degrees; or the included angle between the osteotomy groove and the guide plate X direction is 36 degrees; or the included angle between the osteotomy groove and the X direction of the guide plate is 102 degrees.
The utility model has the following beneficial effects:
the utility model adopts the digitization technology to carry out scheme design, realizes accurate conversion, carries out three-dimensional reconstruction on CT data of the focus part of a patient, carries out accurate measurement on the size of the focus part, designs an operation scheme suitable for the patient according to the measurement data by a doctor, then designs an operation guide plate suitable for the operation scheme through the digitization technology, carries out intraoperative simulation in advance, carries out 3D printing on a model and the guide plate after confirming no error, and simulates the use state of the guide plate.
The device adopts digital technology and 3D printing technique, and the design that can be accurate is the operation baffle that is most suitable for the patient, and doctor before the art can discuss treatment scheme, and the operation step predicts the key point that jaw is rebuilt, and the position of locating hole and osteotomy groove, direction, angle, through virtual planning design, can accurately cut the bone in the operation to 6 increase arc surface transitions in baffle edge, thereby reduce the risk of fish tail other positions in the art. Thereby increasing the efficiency of the operation and reducing the risk of the operation.
Drawings
FIG. 1-1 is a schematic view of the jaw bone cutting guide plate of the present invention
FIG. 1-2 is a schematic view of the structure of FIG. 1 in use
FIG. 2-1 is another schematic view of the present invention
FIG. 2-2 is a schematic view of the structure of FIG. 2-1 in use
Numbering in the figures: 1-guide plate, 2-positioning hole, 3-osteotomy groove, 4-development position, 5-titanium alloy small cylinder, 6-guide plate edge, 7-connecting rod and 8-holder
Detailed Description
Referring to fig. 1-1 and fig. 2-2, the fibula mandible reconstruction operation fixing and guiding developing device is characterized in that a fibula cutting guide plate is used for cutting bones and then a jaw cutting guide plate is used for cutting bones in the operation process.
The fixed direction image device that leads of a fibula mandible reconstructive surgery as shown in fig. 1-1, fig. 1-2, for jaw cuts bone conduction board device, including baffle 1, it has locating hole 2, cuts bone groove 3 to open on the baffle, has the development position 4 in the baffle aperture, and this development position 4 embeds has the little cylinder 5 of titanium alloy who fixes on baffle 1, and 6 arc at baffle edge, and 2 baffles are connected to connective bar 7.
The operation and use method comprises the following steps:
in the operation process, firstly, a patient is anesthetized, then the mandible skin needing bone cutting is peeled off, the device is tightly attached to the surface of the mandible, the guide needle is inserted into the positioning hole 2 and fixed, and a doctor cuts the bone according to the position of the bone cutting groove 3. The patient is then stripped of the fibula skin, the device 2 is fitted tightly to the fibula surface, and the surgeon performs osteotomy in the position of the osteotomy groove. The mandible reconstruction was then performed according to the surgical protocol.
Compared with the prior art, the device has the following beneficial effects:
1. the traditional guide plate consists of a guide plate, and the bone is cut twice during bone cutting. The device consists of two guide plates which are connected through a connecting rod, so that secondary osteotomy is not needed when osteotomy is performed, the operation time is reduced, and the operation efficiency is improved.
2. In the process of osteotomy, a plurality of osteotomy instruments are used, so that the risk of fracture of the traditional medical resin guide plate can be caused, the guide plate material can be divided into the medical resin material and the titanium alloy material according to the operation difficulty before the operation of the device 2, the titanium alloy guide plate has high hardness, the risk of fracture of the guide plate is avoided, the 3D printing is electron beam metal printing, and the printing precision can be controlled to be 0.01 mm.
3. Because the traditional guide plate is made of medical resin, a doctor cannot observe the placement condition of the guide plate through a developing device in the operation process. The device has the development position 4 around the guide plate 1, the titanium alloy small cylinder 5 is added in the device, the placement condition of the guide plate can be observed in real time through the development device in the operation process, and the operation precision is improved.
4. The height of the traditional guide plate osteotomy groove 3 is lower, the osteotomy angle is inconsistent with the scheme which is possibly predicted by an operation, the height of the osteotomy groove 3 of the device is increased to 12mm, and the osteotomy angle is more accurate.
The fibula mandible reconstruction operation fixing and guiding developing device comprises a guide plate 1, wherein a sunken positioning hole 2 and a bone cutting groove 3 are formed in the guide plate, a developing position 4 is arranged in a guide plate small hole, a titanium alloy small cylinder 5 fixed on the guide plate 1 is arranged in the developing position 4, the edge 6 of the guide plate is arc-shaped, and a connecting rod 7 fixed on the guide plate is fixedly connected with a retainer 8.
2-1, 2-2 operation and use method of the fibula mandible reconstruction developing operation guide plate device of the device:
in the operation process, firstly, a patient is anesthetized, then the mandible skin needing bone cutting is peeled off, the device is tightly attached to the surface of the mandible, the guide needle is inserted into the positioning hole 2 and fixed, and a doctor cuts the bone according to the position of the bone cutting groove 3. The patient is then stripped of the fibula skin, the device 2 is fitted tightly to the fibula surface, and the surgeon performs osteotomy in the position of the osteotomy groove. The mandible reconstruction was then performed according to the surgical protocol.
2-1, 2-2 this device compares prior art, has following beneficial effect:
1. this device 2 has a lot of locating holes, has corresponding hole site on the bone after cutting the bone, can directly match locating hole trompil position with other medical treatment surgical instruments directly when the mandible is rebuild, realizes accurate the rebuilding.
2. Because at the in-process of cutting the bone, will use some bone cutting apparatus, may cause the cracked risk of traditional medical resin baffle, this device can be based on the operation degree of difficulty before the art, can divide into medical resin material or titanium alloy material with the baffle material, and titanium alloy baffle hardness is high, has avoided the cracked risk of baffle, and this 3D prints for the metal printing moreover, and the printing precision can be controlled to 0.01 mm.
3. Because the traditional guide plate is made of medical resin, a doctor cannot observe the placement condition of the guide plate through a developing device in the operation process. There is development position 4 the device left and right sides, has increased titanium alloy little cylinder 5 inside, can contain titanium alloy little cylinder inside through development position in the operation process, just put a titanium alloy little cylinder inside the hole, and the condition is placed to the real-time observation baffle, improves the operation precision.
4. The traditional guide plate may cause risks such as deflection of the guide plate 1 when the positioning hole 2 is drilled, the guide plate holder 8 is additionally arranged on the device, the guide plate can be held by the holder 8 when bone cutting is carried out, and risks such as deflection of the guide plate 1 are avoided.
5. The height of the traditional guide plate osteotomy groove 3 is lower, the osteotomy angle is inconsistent with the scheme which is possibly predicted by an operation, the height of the osteotomy groove 3 of the device is increased to 12mm, and the osteotomy angle is more accurate.
Claims (9)
1. A fibula mandible reconstruction surgery fixing and guiding developing device is characterized by comprising a guide plate (1), wherein a positioning hole (2) and a bone cutting groove (3) are formed in the guide plate (1); the developing position (4) is positioned in the guide plate small hole, and a titanium alloy small cylinder (5) is arranged in the developing position; the connecting rod (7) is fixedly connected with the guide plate (1); the guide plate edge (6) is arc-shaped.
2. The fibula mandible reconstruction surgery fixing and guiding visualization device as claimed in claim 1, wherein the guide plate is fixedly connected with the holder (8) through a connecting rod (7).
3. The fibula mandible reconstruction surgery fixing and guiding visualization device as claimed in claim 1 or 2, characterized in that the connecting rod (7) connects the two guide plates; the device is a 3D printing model simulation use state device.
4. The fibula mandible reconstruction surgery fixing and guiding visualization device as claimed in claim 3, wherein the device simulates the position, direction and angle of the positioning hole (2) and osteotomy groove (3) of the guide plate (1) for jaw reconstruction through 3D printing model virtual design.
5. The fibula mandible reconstruction surgery fixing and guiding visualization device as claimed in claim 3, wherein the 3D printing is electron beam metal printing with a printing precision within 0.01 mm.
6. The fibula mandible reconstruction surgery fixing and guiding visualization device as claimed in claim 1, 2 or 3, wherein the guide plate is made of medical resin material or titanium alloy material.
7. The fibular mandible reconstruction surgery fixation guide visualization device as claimed in claim 1, 2 or 3, wherein the height of the osteotomy groove (3) is 8-12 mm.
8. The fibular mandible reconstruction surgery fixing, guiding and developing device as claimed in claim 1, wherein the osteotomy groove is located above the guide plate, and the included angle between the osteotomy groove and the guide plate in the X direction is 60 degrees; or the osteotomy groove and the osteotomy groove are intersected, and the included angle between the osteotomy groove and the osteotomy groove is 28 degrees; or the included angle between the osteotomy groove and the guide plate X direction is 36 degrees; or the included angle between the osteotomy groove and the X direction of the guide plate is 102 degrees.
9. The fibula mandible reconstruction surgery fixing and guiding visualization device as claimed in claim 1, wherein the positioning hole (2) is a recessed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121625704.XU CN216603055U (en) | 2021-07-16 | 2021-07-16 | Fixed direction developing device of fibula mandible rebuilding operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121625704.XU CN216603055U (en) | 2021-07-16 | 2021-07-16 | Fixed direction developing device of fibula mandible rebuilding operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216603055U true CN216603055U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121625704.XU Active CN216603055U (en) | 2021-07-16 | 2021-07-16 | Fixed direction developing device of fibula mandible rebuilding operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216603055U (en) |
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2021
- 2021-07-16 CN CN202121625704.XU patent/CN216603055U/en active Active
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