CN215688282U - Trigeminal radio frequency treatment guide plate - Google Patents
Trigeminal radio frequency treatment guide plate Download PDFInfo
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- CN215688282U CN215688282U CN202022770561.3U CN202022770561U CN215688282U CN 215688282 U CN215688282 U CN 215688282U CN 202022770561 U CN202022770561 U CN 202022770561U CN 215688282 U CN215688282 U CN 215688282U
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- trigeminal
- radio frequency
- guide plate
- injection channel
- treatment guide
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Abstract
The utility model relates to the technical field of medical instruments, in particular to a trigeminal radio frequency treatment guide plate, aiming at solving the defects that the puncture direction and depth are confirmed by means of anatomical mark points of a human body in the prior art, the accuracy is poor, the effect is unstable, and complications are easy to occur; the bite plate is arranged in a semicircular shape and corresponds to the shape of the oral cavity part of the patient so as to be fixed in a bite manner; one end of the connecting part is connected with the nose pasting part, and the other end of the connecting part is connected with the bite plate, so that the whole treatment guide plate is integrally formed; and the injection channel is positioned on one side of the connecting part and is 20-30mm away from the mouth corner, and the injection channel has an access direction reaching the cranial base foramen ovale and is used for leading the injection needle to penetrate to reach the trigeminal ganglion through the guidance of the injection channel.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a trigeminal radio frequency treatment guide plate.
Background
Primary trigeminal neuralgia is recurrent, transient and intense pain in the facial trigeminal nerve management area, and has the following characteristics: (1) pain onset is often without warning; (2) no clear positive signs of the nervous system; (3) each attack stops suddenly from a few seconds to a half minute; (4) pain is strictly confined to the trigeminal innervation region and craniofacial pain caused by the following diseases is excluded: cancerous face pain, herpes zoster face pain, recurrent migraine neuralgia, atypical facial neuropathic pain, and the like.
The pathogenesis of the primary trigeminal neuralgia is unknown, the treatment method is various, and a standardized treatment scheme is not established. At present, drug treatment, nerve block treatment, nerve damage treatment and microvascular decompression treatment are often selected.
The method which is commonly applied in recent times is percutaneous oval foramen puncture semilunar ganglion radio frequency temperature control thermal coagulation, the technology selectively destroys pain fibers by utilizing thermal coagulation treatment at specific temperature to achieve the aim of relieving pain, and simultaneously can retain the touch and motion functions to achieve the effect of instant effect.
The Hartel puncture method, namely the anterior puncture method, is commonly adopted clinically: the patient is in a horizontal position, and three points are firstly determined: the point A is about 2.5-3.0cm outside the corner of the mouth of the patient and is the puncture point of the puncture needle; point B is 2.5-3.0cm in front of the external auditory meatus of the patient, namely the intersection point of the anterior 2/3 and the posterior 1/3 of the connection line of the external auditory meatus to the outer canthus of the eye of the patient; point C is the center of the patient's affected pupil. The puncture point A is taken to insert the needle, and the puncture needle points to the point C on the coronal plane and points to the point B on the sagittal plane. During the puncturing process, the accuracy of the puncturing direction and depth needs to be confirmed according to CT or DSA. The method has the defects of poor accuracy, unstable effect and easy occurrence of complications by positioning by means of anatomical marker points of a human body, and has certain damage to a patient due to repeated fluoroscopy in the operation.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to overcome the defects that the accuracy is poor, the effect is unstable and complications are easy to occur in the prior art which confirms the puncture direction and depth by means of anatomical marker points of a human body, and the patient is damaged by repeated fluoroscopy in the operation, thereby providing the trigeminal radiofrequency treatment guide plate.
The technical purpose of the utility model is realized by the following technical scheme:
a trigeminal radio frequency therapy guide comprising:
the nose sticking part is arranged in an arc shape and corresponds to the shape of the nose part of the patient so as to stick on the nose;
the bite plate is arranged in a semicircular shape and corresponds to the shape of the oral cavity part of the patient so as to be fixed in a bite manner;
one end of the connecting part is connected with the nose pasting part, and the other end of the connecting part is connected with the bite plate, so that the whole treatment guide plate is integrally formed;
and the injection channel is positioned on one side of the connecting part and is 20-30mm away from the mouth corner, and the injection channel has an access direction reaching the cranial base foramen ovale and is used for leading the injection needle to penetrate to reach the trigeminal ganglion through the guidance of the injection channel.
Optionally, the top and the bottom of the bite plate are provided with tooth sockets to be engaged with the upper and lower teeth.
Optionally, the connecting portion is a plurality of arch bars connected and fixed between the nose sticking portion and the bite plate.
Optionally, the injection channel is a cylindrical guide post, and a trocar is arranged inside the guide post.
Optionally, the trocar is a detachable radiofrequency puncture needle.
Optionally, the guide post has an outer diameter of 8mm, an inner diameter of 1.1mm, and the radiofrequency trocar has a diameter of 1.05 mm.
Optionally, the depth of the injection channel is 8-10 mm.
Optionally, the nose patch, the bite plate, the connecting portion and the injection channel are of an integrally molded structure for 3D printing.
The technical scheme of the utility model has the following advantages:
1. the trigeminal nerve radio-frequency treatment guide plate can be attached to the face of a patient to assist a doctor in aligning an affected part, so that the operation can be performed in one step, the directional puncture of an injection needle is accurately realized, the approach of the trigeminal ganglion is realized simply, quickly and accurately with small damage, unnecessary damage caused by repeated puncture can be effectively avoided, and the preparation process is simple and has good repeatability.
2. When the radio frequency treatment guide plate for the trigeminal nerve is worn, the upper teeth and the lower teeth are embedded in the alveolus of the occlusal plate, no gap is generated after the radio frequency treatment guide plate is worn, the radio frequency treatment guide plate is convenient and accurate to position, and the radio frequency treatment guide plate for the trigeminal nerve is matched with the nose to ensure that the radio frequency treatment guide plate for the trigeminal nerve is attached to the face of a patient.
3. According to the trigeminal radio frequency treatment guide plate, the arrangement of the arch-shaped rod effectively strengthens the structural strength of the trigeminal radio frequency treatment guide plate, the trigeminal radio frequency treatment guide plate is firmer and more durable in the operation process, meanwhile, the 3D printed product is not easy to deform, the precision of the guide plate is ensured, no deviation occurs, repeated finishing is not needed, the operation time is short, the positioning is accurate, and the effect is good.
4. According to the trigeminal nerve radio-frequency treatment guide plate, the injection channel is the cylindrical guide post, the trocar is arranged in the guide post, when trigeminal ganglion treatment is prepared, the injection needle only needs to be inserted into the injection channel, directional puncture of the injection needle can be realized through the guide of the guide post, the trocar is favorable for guiding the position of the puncture needle, the trocar can be well positioned, and meanwhile, the trocar can be smoothly and unimpededly punctured.
5. According to the trigeminal radio frequency treatment guide plate, the depth of the injection channel is 8-10mm, and the purpose of accurate positioning can be achieved by controlling the depth of the injection channel, so that a trocar can be well positioned and guided.
6. The trigeminal radio frequency treatment guide plate is of an integrally formed structure with a nose adhering part, a bite plate, a connecting part and an injection channel printed in a 3D mode, and the 3D printing technology is utilized, so that the operation is more accurate and reliable, accurate one-time positioning is achieved, and errors are extremely small.
7. According to the trigeminal radio frequency treatment guide plate, the traditional operation time for puncturing according to anatomical sites generally needs 40-60 minutes, and the operation time is greatly shortened, the pain of a patient is reduced, the operation risk is greatly reduced, and the operation success rate is greatly improved through accurate positioning because the digitally designed guide plate is used for positioning and puncturing only needs 10-15 minutes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a trigeminal radio frequency therapy guide plate according to an embodiment of the present invention;
FIG. 2 is a bottom view of a trigeminal radio frequency therapy guide of one embodiment of the present invention.
Description of reference numerals:
1. sticking the nose part; 2. a bite plate; 21. a tooth socket; 3. a connecting portion; 4. an injection channel; 41. a trocar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
A trigeminal radio frequency treatment guide plate is shown in figures 1 and 2 and comprises a nose pasting part 1, an occlusal plate 2, a connecting part 3 and an injection passage 4, wherein the nose pasting part 1 is arranged in an arc shape and corresponds to the shape of the nose part of a patient so as to be clung to the nose; the bite plate 2 is arranged in a semicircular shape, corresponds to the shape of the oral cavity part of the patient and is used for bite fixation; one end of the connecting part 3 is connected to the nose pasting part 1, and the other end is connected to the occlusal plate 2, so that the whole treatment guide plate is integrally formed; the injection channel 4 is positioned at one side of the connecting part 3 and is 20-30mm away from the mouth corner, and has an access direction reaching the basicranial foramen ovale for leading the injection needle to penetrate the trigeminal ganglion through the guidance of the injection channel 4. This trigeminal radio frequency treatment baffle can paste and lean on at patient's face, and supplementary doctor counterpoints the affected part to once target in place when making the operation, the directional puncture of accurate realization syringe needle, simple, quick, accurate and the less approach of realization trigeminal ganglion of damnification nature can effectively avoid puncturing the unnecessary damage that causes repeatedly, and preparation simple process, good repeatability.
As shown in fig. 1 and 2, the bite plate 2 has alveoli 21 at the top and bottom to be engaged with the upper and lower teeth. When the radio frequency treatment guide plate is worn, the upper teeth and the lower teeth are embedded in the alveolus 21 of the occlusal plate 2, in the embodiment of the utility model, the occlusal plate 2 is made by adopting a 3D printing technology, so that the occlusal plate 2 is completely matched with the tooth profile of a patient, no gap is generated after the radio frequency treatment guide plate is worn, the positioning is convenient and accurate, and the radio frequency treatment guide plate for the trigeminal nerve is ensured to be attached to the face of the patient by matching with the nose attaching part 1.
As shown in fig. 1 and 2, the connecting portion 3 is a plurality of arch bars connected and fixed between the nose sticking portion 1 and the bite plate 2. The structural strength of trigeminal nerve radio frequency treatment baffle is effectively strengthened in the setting of arch-shaped pole, and is more durable at the operation in-process, guarantees the product non-deformable that 3D printed out simultaneously, guarantees the precision of baffle, the deviation can not appear, need not repair repeatedly, and the operation time is short, fixes a position accurately, and is effectual.
As shown in fig. 1 and 2, the injection passage 4 is a cylindrical guide post, and the interior of the guide post is provided with a trocar 41, when the trigeminal ganglion treatment is to be performed, only the injection needle needs to be inserted into the injection passage 4, the guide of the guide post can realize the directional puncture of the injection needle, and the position of the puncture needle can be conveniently guided through the trocar 41, preferably, in the embodiment of the utility model, the trocar 41 is a detachable radio frequency puncture needle which can be taken out of the injection passage 4 and replaced. Furthermore, the outer diameter of the guide post is 8mm, the inner diameter is 1.1mm, the diameter of the radio frequency trocar is 1.05mm, the trocar can be well positioned, meanwhile, the trocar can be punctured smoothly without obstruction, and in fact, the diameters of the guide post and the radio frequency puncture needle can be adjusted according to specific requirements so as to be suitable for different patients. The depth of the injection channel 4 is 8-10mm, and the purpose of accurate positioning can be achieved by controlling the depth of the injection channel 4, so that a good positioning guide effect is achieved for the trocar, and parameters can be adjusted according to the specific conditions of different patients in practice. The diameter of the injection channel 4 can be adapted to the thickness of the needle, preferably such that the puncture needle or needle passes through it.
As shown in fig. 1 and 2, the nose attaching portion 1, the bite plate 2, the connecting portion 3 and the injection channel 4 are integrally formed by 3D printing, and the 3D printing technology is utilized, so that the operation is more accurate and reliable, accurate one-time positioning is achieved, and the error is extremely small. In addition, in the embodiment of the utility model, the trigeminal radio frequency treatment guide plate is made of the photosensitive resin material, and has the characteristics of quick curing, high forming precision, good surface effect, ABS-like performance, high mechanical strength, low odor, storage resistance and strong universality.
The trigeminal radio frequency treatment guide plate has the working principle that: carry out three-dimensional reconstruction model and then design the baffle according to CT image before the art, through leading-in 3D printing apparatus ProJet3510Plus with digital baffle data, adopt photosensitive resin to make trigeminal radio frequency therapy baffle, during the use, correspond the laminating with patient's nose portion 1 of will pasting, and simultaneously, upper and lower tooth inlays in the alveolus 21 of locating occlusal plate 2, both cooperations ensure that trigeminal radio frequency therapy baffle pastes and leans on at patient's face, thereby insert from injection channel 4 with the radio frequency pjncture needle, high convenience and fastness in operation, the location is accurate, can accomplish clinical treatment conveniently effectively.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (8)
1. A trigeminal radio frequency treatment guide, comprising:
the nose sticking part (1) is arranged in an arc shape and corresponds to the shape of the nose part of a patient so as to stick to the nose;
the bite plate (2) is arranged in a semicircular shape and corresponds to the shape of the oral cavity part of the patient to be fixed in a bite manner;
a connecting part (3), one end of which is connected with the nose pasting part (1) and the other end of which is connected with the bite plate (2) so as to integrally form the whole treatment guide plate;
and the injection channel (4) is positioned on one side of the connecting part (3) and is 20-30mm away from the mouth corner, and the injection channel (4) has an access direction reaching the cranial base oval hole and is used for leading the injection needle to penetrate through the guide of the injection channel (4) and reach the trigeminal ganglion.
2. The trigeminal radio frequency treatment guide plate according to claim 1, wherein the occlusal plate (2) is provided with alveoli (21) at the top and bottom to be engaged with the upper and lower teeth.
3. A trigeminal rf treatment guide according to claim 1, wherein the connecting portion (3) is a plurality of arch bars connected and fixed between the nose-engaging portion (1) and the bite plate (2).
4. The radio-frequency trigeminal treatment guide plate according to claim 1, wherein the injection channel (4) is a cylindrical guide post, and a trocar (41) is arranged inside the guide post.
5. The trigeminal radio frequency treatment guide plate according to claim 4, wherein the trocar (41) is a detachable radio frequency puncture needle.
6. The trigeminal radio frequency treatment guide plate according to claim 5, wherein the guide post has an outer diameter of 8mm and an inner diameter of 1.1mm, and the radio frequency puncture needle has a diameter of 1.05 mm.
7. The trigeminal radio frequency treatment guide plate according to claim 6, wherein the injection channel (4) has a depth of 8-10 mm.
8. The trigeminal radio frequency treatment guide plate according to claim 1, wherein the nose attaching portion (1), the bite plate (2), the connecting portion (3) and the injection channel (4) are of a 3D printed integrally molded structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022770561.3U CN215688282U (en) | 2020-11-25 | 2020-11-25 | Trigeminal radio frequency treatment guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022770561.3U CN215688282U (en) | 2020-11-25 | 2020-11-25 | Trigeminal radio frequency treatment guide plate |
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| Publication Number | Publication Date |
|---|---|
| CN215688282U true CN215688282U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022770561.3U Active CN215688282U (en) | 2020-11-25 | 2020-11-25 | Trigeminal radio frequency treatment guide plate |
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|---|---|
| CN (1) | CN215688282U (en) |
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2020
- 2020-11-25 CN CN202022770561.3U patent/CN215688282U/en active Active
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