TW202103645A - A mixed-augmented reality instrument for internal fixation of metatarsal fractures - Google Patents

Abstract

The invention relates to a mixed-augmented reality device for internal positioning of metatarsal bone, which has two eyepiece units, two photographing units and a control unit, and is characterized in that the control unit receives 3D scan data of a patient's foot sole through a communication interface, and then transmits the 3D scan data to the two eyepiece units via an image interface so as to generate a 3D virtual image of the foot sole, wherein the 3D virtual image of the foot sole has an image of a fractured metatarsal bone, and the control unit uses the two photographing units to provide a tracking and positioning function, so as to enable the 3D virtual image of the foot sole to be overlapped with the 3D actual image of the foot sole of the patient's foot sole arranged with a metatarsal holding member so as to generate a 3D augmented reality image of the foot sole, thereby facilitating a surgical operator to insert a bone nail into the fractured metatarsal bone through a guiding trajectory provided by the 3D augmented reality image.

Description

Mixed augmented reality device for positioning in metatarsal bone

The present invention relates to an auxiliary device for orthopedic internal fixation surgery, in particular to a hybrid augmented reality device used for metatarsal internal positioning surgery.

In a general metatarsal internal fixation operation, please refer to Fig. 1 for the schematic diagram. It is first to perform X-ray photography on a fractured metatarsal with an X-ray imaging device 10, and then based on one of the X-ray images obtained and an operator’s Experience inserting a bone nail into the fractured metatarsal bone. FIG. 2 shows a schematic diagram of a bone nail 20 after inserting a fractured metatarsal bone 30.

However, because human error is unavoidable, X-ray photography must be performed on the fractured metatarsal to confirm whether the insertion position of the bone nail is correct. If it is not correct, the bone nail must be pulled out and re-inserted, and then X-ray photography will be performed again and again until it is correct. However, repeated X-ray photography is not only harmful to the human body, and multiple penetration of a bone nail into a fracture site will also cause secondary damage to the fracture site.

In order to solve the aforementioned problems, a novel positioning and guiding device in the metatarsal bone is urgently needed in the art.

One purpose of the present invention is to disclose a hybrid augmented reality device for positioning in the metatarsal bone, which can provide a precise bone nail guiding path during the process of implanting a bone nail to a fractured metatarsal to securely fix the fracture Metatarsals.

Another object of the present invention is to disclose a hybrid augmented reality device for metatarsal positioning, which can provide high-precision positioning operations and reduce surgical incisions in a minimally invasive manner.

Another object of the present invention is to disclose a hybrid augmented reality device for positioning in the metatarsal bone, which can reduce the number of insertion and extraction of bone nails due to human error, so as to avoid secondary damage to a fracture site.

To achieve the foregoing objective, a hybrid augmented reality device for positioning in the metatarsal bone is proposed, which has two eyepiece units, two photographing units, and a control unit. The two eyepiece units have a 3D display function. The unit has an image interface and a communication interface, the image interface is coupled to the two camera units and the two eyepiece unit, and the communication interface is used to couple with an information processing device in a wired or wireless manner, Its characteristics are:

The control unit receives 3D scan data of a patient's sole through the communication interface, and then transmits the 3D scan data to the second eyepiece unit through the image interface to generate a 3D virtual image of the sole of the foot. The image has an image of a fractured metatarsal, and the control unit provides a tracking and positioning function through the two photographing units, so that the 3D virtual image of the sole can be matched with a 3D sole of the patient's sole provided with a metatarsal holder The real images are overlapped to generate a 3D augmented reality image of the sole of the foot, so that a surgical operator can insert a bone nail into the fractured metatarsal through a guiding trajectory provided by the 3D augmented reality image.

In one embodiment, the metatarsal holder is made of metal material.

In one embodiment, the bone nail is made of steel or titanium alloy.

In one embodiment, the 3D scan data is X-ray computed tomography image data.

In one embodiment, the control unit includes a microprocessor and a memory.

In order to enable your reviewer to further understand the structure, features and purpose of the present invention, the drawings and detailed descriptions of preferred specific embodiments are attached as follows.

Please refer to FIG. 3, which is a schematic diagram of a preferred embodiment of a hybrid augmented reality device for positioning in metatarsals of the present invention.

As shown in FIG. 3, a hybrid augmented reality device 100 for positioning in the metatarsal bone includes two eyepiece units 110, two photographing units 120, a control unit (not shown in FIG. 1), two ear pendants 130, and a head部定件140。 Department fixed member 140.

The two eyepiece unit 110 has a 3D (3 dimentions; three-dimensional) display function. During operation, the control unit respectively transmits a left-eye image and a right-eye image to a left display unit and a right display unit of the two eyepiece units 110 so that a surgical operator can see a 3D image.

The two camera units 120 are used to provide a tracking and positioning function, and the two ear hangers 130 and the head fixing member 140 are used to fix the hybrid augmented reality device 100 to the head of a surgical operator.

FIG. 4 shows a block diagram of an embodiment of the control unit. As shown in FIG. 4, a control unit 150 has an image interface 151, a communication interface 152, a microprocessor 153, and a memory 154. The processor 153 is coupled to the image interface 151, the communication interface 152, and the memory 154. The image interface 151 is coupled to the two camera units 120 and the two eyepiece units 110, and the communication interface 152 is used to communicate with an information processing device 170 Wired or wirelessly coupled.

The control unit 150 receives 3D scan data of a patient's sole through the communication interface 152, and then transmits the 3D scan data to the second eyepiece unit 110 through the image interface 151 to generate a 3D virtual image of the sole. The virtual image of the sole has an image of a fractured metatarsal, and the control unit 150 provides a tracking and positioning function through the two photographing units 120, so that the 3D virtual image of the sole can match the sole of the patient with a metatarsal clamping piece A 3D real image of the sole of the foot overlaps to generate a 3D augmented reality image of the sole of the foot, so that a surgical operator can insert a bone nail into the fractured metatarsal through a guiding trajectory provided by the 3D augmented reality image .

During the operation, please refer to Figure 5. A surgical operator first makes an incision 40 on the surrounding muscles of a fractured metatarsal 30 according to an X-ray image of the sole of a patient’s foot; A guided trajectory 31 provided by the 3D augmented reality image of the sole of the foot is seen by wearing the hybrid augmented reality device 100 for positioning in the metatarsal bone of the present invention, wherein the augmented reality of the 3D sole is The environment image includes the 3D virtual image of the sole of the foot and the 3D realistic image of the sole of the foot, and the 3D actual image of the sole of the foot includes an image of the metatarsal holder 50 of the fractured metatarsal 30 that clamps the sole of the patient; and, please Referring to FIG. 6b, the operator inserts a bone nail 20 into the fractured metatarsal bone 30 through the guide track 31 provided by the 3D augmented reality image.

In addition, the metatarsal clamp 50 may be composed of a metal material.

In addition, the 3D scan data may be X-ray computed tomography scan image data.

In addition, the bone nail 20 may be made of steel or titanium alloy.

With the design disclosed above, the present invention has the following advantages:

1. The hybrid augmented reality device for intra-metatarsal positioning of the present invention can provide a precise bone nail guiding path during the process of implanting a bone nail to a fractured metatarsal to securely fix the fractured metatarsal.

2. The hybrid augmented reality device for metatarsal positioning of the present invention can provide high-precision positioning operations to reduce surgical incisions in a minimally invasive manner.

3. The hybrid augmented reality device for positioning in the metatarsal bone of the present invention can reduce the number of insertion and extraction of bone nails due to human error, so as to avoid secondary damage to a fracture site.

The disclosure in this case is a preferred embodiment, and any partial changes or modifications that are derived from the technical ideas of the case and can be easily inferred by those who are familiar with the art will not deviate from the scope of the patent right of the case.

In summary, regardless of the purpose, means or effect of this case, it is shown that it is very different from the conventional technology, and its first invention is suitable for practicality, and it does meet the patent requirements of the invention. I implore the examiner to check it out and pray for the patent to be granted as soon as possible. To benefit the society is to pray for the most.

10: X-ray photography equipment 20: Bone nail 30: Fracture metatarsal bone 31: Guiding trajectory 40: incision 50: Metatarsal clamp 100: Hybrid augmented reality device for positioning within metatarsals 110: Eyepiece unit 120: Photography unit 130: ear pendant 140: head fixing 150: control unit 151: Video Interface 152: Communication Interface 153: Microprocessor 154: Memory 170: Information Processing Device

Fig. 1 is a schematic diagram of X-ray photography of a fractured metatarsal in an internal fixation operation commonly used in orthopedics. Fig. 2 is a schematic diagram of inserting a bone nail into the fractured metatarsal bone based on an X-ray image obtained from the X-ray photography of Fig. 1 and an operator’s experience. FIG. 3 is a schematic diagram of a preferred embodiment of the hybrid augmented reality device for positioning in the metatarsal bones of the present invention. FIG. 4 is a block diagram of an embodiment of a control unit of the hybrid augmented reality device for positioning in the metatarsal bone of FIG. 3. Fig. 5 is a schematic diagram of an application embodiment of the hybrid augmented reality device for positioning in the metatarsal bone of Fig. 3, in which an incision is first made according to an X-ray image of a fractured metatarsal bone in the surrounding muscles of the fractured metatarsal bone. FIG. 6a is a schematic diagram of a guide trajectory provided by a 3D augmented reality image of the sole of the foot seen by a surgical operator wearing the hybrid augmented reality device for positioning in the metatarsal bone of FIG. 3. Fig. 6b is a schematic diagram of a surgical operator inserting a bone nail into a fractured metatarsal through the guiding track shown in Fig. 6a.

100: Hybrid augmented reality device for positioning within metatarsals

110: Eyepiece unit

120: Photography unit

130: ear pendant

140: head fixing

Claims (5)

A hybrid augmented reality device for positioning in the metatarsal bone, which has two eyepiece units, two photographing units and a control unit, wherein the two eyepiece units have a 3D display function, and the control unit has an image interface and a communication An interface, the image interface is coupled to the two camera units and the two eyepiece units, and the communication interface is used to couple with an information processing device in a wired or wireless manner, characterized in that: The control unit receives 3D scan data of a patient's sole through the communication interface, and then transmits the 3D scan data to the second eyepiece unit through the image interface to generate a 3D virtual image of the sole of the foot. The image has an image of a fractured metatarsal, and the control unit provides a tracking and positioning function through the two photographing units, so that the 3D virtual image of the sole can be matched with a 3D sole of the patient's sole provided with a metatarsal holder The real images are overlapped to generate a 3D augmented reality image of the sole of the foot, so that a surgical operator can insert a bone nail into the fractured metatarsal through a guiding trajectory provided by the 3D augmented reality image. According to the first item of the scope of patent application, the hybrid augmented reality device for positioning in the metatarsal bones, wherein the metatarsal bone holder is made of metal material. The hybrid augmented reality device for positioning in the metatarsal bone as described in item 1 of the scope of the patent application, wherein the bone nail is made of steel or titanium alloy. The hybrid augmented reality device for metatarsal positioning as described in item 1 of the scope of patent application, wherein the 3D scanning data is X-ray computer tomography image data. The hybrid augmented reality device for positioning in the metatarsal bone as described in the first item of the scope of the patent application, wherein the control unit includes a microprocessor and a memory.

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