Puncture positioning device for brain surgery

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a puncture positioning device for brain surgery, which comprises a helmet body and a plurality of reflective balls mounted at the top of the helmet body, and an adjusting lacing used for fixing the helmet body on the head is detachably connected to a side ear of the helmet body. A coupling part is arranged between the helmet body and the reflective balls and used for fixing the reflective balls on the helmet body, the helmet and the reflective balls are integrated into a whole, the helmet is worn on the head at a time, operation is easy, wearing is firm, the operation process is simplified, the time for installing the reflective balls in an operation is shortened, and the operation efficiency is improved. And the risk that the reflective ball falls off from the head is also avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to a puncture positioning device for brain surgery. Background Art

[0002] According to statistics, malignant tumors are the leading cause of death in China. Many cancer patients are already in the middle or late stages when they are discovered, making treatment extremely difficult. Current treatments for tumors include surgery, radiotherapy, chemotherapy, targeted therapy, immunotherapy, and minimally invasive tumor interventional therapy. However, tumors can develop drug resistance, leading to recurrence and metastasis, and doctors still face some treatment difficulties. Permanent interstitial implantation of radioactive particles (referred to as particle implantation) has a history of over 100 years. Its principle is to use imaging-guided technology (ultrasound, CT / MRI) to percutaneously implant sealed particles containing radioactive nuclides directly into the body of the tumor patient. The radioactive nuclides continuously release radiation to effectively kill tumor cells, shrinking or even eliminating the tumor, while normal tissues are not damaged or only slightly damaged. Finally, the killed tumor tissue is naturally absorbed or excreted, completely eradicating the tumor lesions.

[0003] Oral and maxillofacial malignancies account for approximately 3% to 5% of all malignant tumors, with squamous cell carcinoma being the most common, accounting for over 90%. Due to the complex anatomy of the oral and maxillofacial region, tumors in these areas often involve a variety of tissues and organs. Extended radical surgery often results in severe facial deformity and functional impairment. Therefore, radical resection of oral and maxillofacial malignancies presents significant challenges in clinical practice. Currently, a combination of surgery, chemotherapy, or radiotherapy, is often used to improve cure and survival rates. Recent research has demonstrated that brachytherapy with 125I radioactive seed implants is effective in reducing the size of oral and maxillofacial malignancies and reducing recurrence. The surgical procedure involves attaching several reflective spheres to a head frame or scalp. An imaging device is used to create a three-dimensional model of the head. Using film slices, the lesion and appropriate surface are located, and the insertion point and target (lesion) are marked. A needle is then inserted and the seeds are implanted into the tumor. The seeds continuously emit gamma rays, breaking DNA strands in the tumor cells and ablating the tumor, ultimately destroying the tumor.

[0004] However, the current positioning method used in brain surgery is to install a reflective ball on a head frame. The head frame is relatively bulky and difficult to install and remove. The external head frame may cause secondary damage to the patient and has limited flexibility. Or it is directly glued to the scalp, which has poor stability and is easy to fall off. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the present invention provides a brain surgery puncture positioning device to solve the above-mentioned existing problems.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A brain surgery puncture positioning device includes a helmet body and multiple reflective balls installed on the top of the helmet body. The side ears of the helmet body are detachably connected with adjustment straps for fixing the helmet body to the head. A coupling component is provided between the helmet body and the reflective balls for fixing the reflective balls to the helmet body.

[0008] Furthermore, the coupling component includes a positioning column fixedly connected to the helmet body, the positioning column is provided with a thread, and the reflective ball is bolted to the positioning column.

[0009] Furthermore, the coupling component includes a track provided on the helmet body and a buckle fixedly connected to the reflective ball, the side width of the buckle is smaller than the width of the track, and the front width of the buckle is larger than the width of the track.

[0010] Furthermore, the helmet body is made of medical plastic.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The utility model integrates the helmet and several reflective balls into one whole, which can be worn on the head at one time. It is easy to operate and firmly worn, which simplifies the surgical process, reduces the time for installing the reflective balls during the operation, and avoids the risk of the reflective balls falling off the head. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of a first embodiment of a puncture positioning device for brain surgery according to the present invention;

[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the helmet body in Example 1 of a brain surgery puncture positioning device of the present invention;

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the reflective ball in the first embodiment of the brain surgery puncture positioning device of the present utility model;

[0016] Figure 4 This is a schematic diagram of the three-dimensional structure of a second embodiment of a puncture positioning device for brain surgery according to the present utility model;

[0017] Figure 5 This is a schematic diagram of the three-dimensional structure of the helmet body in the second embodiment of the brain surgery puncture positioning device of the present utility model;

[0018] Figure 6 This is a schematic diagram of the three-dimensional structure of the reflective ball in the second embodiment of the brain surgery puncture positioning device of the present utility model;

[0019] Figure 7 This is a diagram showing the dimensional relationship between the buckle and the track in the second embodiment of the brain surgery puncture positioning device of the present invention;

[0020] Figure 8 This is a state change diagram of the buckle rotating 90 degrees in Example 2 of the brain surgery puncture positioning device of the utility model. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0022] Among them, the drawings are only used for illustrative purposes and represent only schematic diagrams rather than actual pictures, and should not be understood as limiting this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0023] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, they are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0024] In the description of this utility model, unless otherwise expressly specified or limited, when the term "connection" or the like appears to indicate a connection relationship between components, such term should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be internal communication between two components or an interaction relationship between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0025] Example:

[0026] Example 1

[0027] like Figure 1 The figure shows the overall structure of a brain surgery puncture positioning device, the main structure of which is composed of a helmet 1 and several reflective balls 2.

[0028] like Figure 2 The structure of the helmet 1 is shown. It is made of PP, PE or other commonly used medical plastics that meet the requirements. Metal materials are prohibited to avoid interference with imaging equipment. The shape fits the human skull and is approximately semicircular. The top positioning column 11 is made of the same material as the helmet 1 and is fixed to the top of the helmet 1 by means of inlay bonding or hot melting, combining the two components into one. The function of the positioning column 11 is to fix the reflective ball 2. After assembly, the two components are relatively fixed. The following is an example of a connection method: an external thread 12 is designed on the positioning column 11, and an internal thread is designed on the light ball 2. The two are connected and fixed in a threaded manner. Slots 14 are designed on both sides of the helmet 1. The elastic band 13 passes through this slot to fix the helmet on the head.

[0029] like Figure 3 The structure of the reflective ball 2 is shown, which consists of a sphere 21 and a cylindrical base 22 , with an internal thread 23 designed inside to cooperate with the external thread 12 on the helmet 1 .

[0030] According to the requirements of the particle implantation procedure, several reflective balls 2 are mounted on the top of a helmet 1 before the procedure. The helmet 1 is then worn on the head, and the elastic band 13 is tied around the chin to elastically tighten the helmet. This invention is simple to operate, provides a secure fit, simplifies the surgical process, significantly reduces the time required to install the reflective balls during surgery, and avoids the risk of the reflective balls falling off the head.

[0031] Example 2

[0032] Based on Example 1, Figure 4 As shown, there are several tracks 15 on the top of the helmet 1 for mounting the reflective balls 2. Figure 5 The end of the reflective ball 2 is designed with a buckle 24, which is clamped in the track 15. The size relationship between the buckle 24 and the track 15 is as follows: Figure 6 , the side width B of the buckle 24 is smaller than the width C of the track 15, and the front width A is larger than the width C of the track 15, that is, A>C>B. Figure 7 The side of the buckle is parallel to the track. Since B < C, the buckle can be smoothly inserted into the track. Then rotate the reflective ball 90 degrees. At this time, the front of the buckle is parallel to the track. Since A > C, the buckle elastically deforms and has an interference fit with the track, thereby fixing the reflective ball.

[0033] The difference between this example and the above example is that the position of the reflective ball can be adjusted, and the installation is more flexible. If the modeling data collection is not clear, the position of the reflective ball can be adjusted or the number can be increased according to the actual situation on site. This example is more functional and practical.

[0034] The above are only embodiments of the present invention. Common knowledge such as the known specific structures and characteristics in the scheme is not described in detail here. Ordinary technicians in the relevant field are aware of all common technical knowledge in the technical field of the utility model before the application date or priority date, can obtain all existing technologies in the field, and have the ability to apply conventional experimental means before that date. Ordinary technicians in the relevant field can improve and implement this scheme based on their own abilities under the guidance of this application. Some typical known structures or methods should not become obstacles for ordinary technicians in the relevant field to implement this application. It should be pointed out that for those skilled in the art, without departing from the structure of the utility model, they can also make several variations and improvements, which should also be regarded as the scope of protection of the utility model. These will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims

1. A brain surgery puncture positioning device, characterized by: The helmet body comprises a helmet body and a plurality of reflective balls mounted on the top of the helmet body. The side ears of the helmet body are detachably connected with adjustment straps for fixing the helmet body to the head. A coupling component is provided between the helmet body and the reflective balls for fixing the reflective balls to the helmet body.

2. The brain surgery puncture positioning device according to claim 1, characterized in that: The coupling component includes a positioning column fixedly connected to the helmet body, the positioning column is provided with a thread, and the reflective ball is bolted to the positioning column.

3. The brain surgery puncture positioning device according to claim 1, characterized in that: The coupling component includes a track provided on the helmet body and a buckle fixedly connected to the reflective ball. The side width of the buckle is smaller than the width of the track, and the front width of the buckle is larger than the width of the track.

4. A brain surgery puncture positioning device according to claim 2 or 3, characterized in that: The helmet body is made of medical plastic.

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