Trigeminal nerve puncture surgery navigation template

Abstract

The utility model discloses a trigeminal nerve puncture surgery navigation template which comprises a navigation template body, a first pressing plate and a second pressing plate are arranged at the upper end and the lower end of the top of the navigation template body respectively, and the top of the first pressing plate and the top of the second pressing plate are fixedly connected with a first threaded pipe and a second threaded pipe through bearings respectively. And inner cavities of the first threaded pipe and the second threaded pipe are in threaded connection with a first threaded rod and a second threaded rod correspondingly, and the surfaces of the first threaded rod and the second threaded rod are fixedly connected with a mounting plate through bearings. Through the linkage assembly, the first pressing plate and the second pressing plate can be driven to move downwards at a time, so that the navigation template body can be efficiently and rapidly fixed preliminarily, and then through the fine adjustment assembly, the first pressing plate and the second pressing plate can be tightly attached to the surface of the face of a patient, so that the positioning accuracy is improved. And therefore, the clamping firmness can be ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a kind of trigeminal nerve puncture operation navigation template. BACKGROUND

[0002] Trigeminal neuralgia usually occurs unilaterally, and the onset can make people unbearable, fear brushing teeth, washing face, and even dare not eat, seriously affecting the quality of life of patients, and many patients have long-term medication treatment still repeated pain, or patients choose tooth extraction to relieve pain. At present, an advanced treatment plan is to use "balloon" surgery, which is actually a painless minimally invasive treatment, a treatment method for trigeminal neuralgia, named "interventional trigeminal nerve half-month node microballoon compression", the technical advantages are: (1) minimally invasive, surgical wound is only a needle eye size; (2) short operation time, about 20 minutes can complete the operation; (3) painless throughout; (4) low risk, fewer complications; (5) quick effect, most patients' pain symptoms are relieved immediately after operation; (6) fast recovery, can be discharged after 2-3 days of postoperative observation, and can return to work after discharge.

[0003] For example, Chinese patent "a trigeminal nerve puncture operation navigation template" is disclosed, and the publication number is CN217186344U. The patent includes an ear hanging part, a nose sticking part, a face sticking part and a guide column. The ear hanging part corresponds to the shape of human ear, and is hung on the ear. The nose sticking part corresponds to the shape of human nose, and is attached to the nose. The face sticking part corresponds to the shape of human face, and its two ends are connected with the ear hanging part and the nose sticking part respectively. The ear hanging part, the nose sticking part and the face sticking part are integrally formed. The utility model can assist doctors in positioning the affected area, ensure the accuracy of the operation position, and realize the fine adjustment of the position of the puncture needle.

[0004] The patent is fixed to the face by the ear hanging part, the nose sticking part and the face sticking part, and fixed to the face by sewing. This fixing method is not only low in efficiency, but also causes damage to the face of the patient. Therefore, a trigeminal nerve puncture operation navigation template that is easy to fix is needed. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a trigeminal nerve puncture operation navigation template, which has the advantages of being easy to fix and solves the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of trigeminal nerve puncture operation navigation template, including navigation template body, the top of the navigation template body is respectively provided with first pressboard and second pressboard in upper and lower ends, the top of first pressboard and second pressboard is respectively fixedly connected with first threaded tube and second threaded tube by bearing, the inner cavity of first threaded tube and second threaded tube is respectively threadedly connected with first threaded rod and second threaded rod, the surface of first threaded rod and second threaded rod is fixedly connected with mounting plate by bearing, the left side of the bottom of mounting plate is fixedly connected with third threaded rod, the bottom of third threaded rod is fixedly connected with bottom plate, the surface of third threaded rod is sleeved with clamping plate, and the top of clamping plate is threadedly connected to threaded sleeve on the surface of third threaded rod;

[0007] The surface of first threaded rod and second threaded rod is fixedly connected with worm gear, the surface of worm gear is engaged with worm, one end of worm is fixedly connected with fixed plate by bearing, and the bottom of mounting plate is slidably connected with the top of fixed plate.

[0008] Preferably, the bottom of the first pressboard and the second pressboard is provided with a groove matched with the face contour.

[0009] Preferably, the top of the first threaded rod, the second threaded rod and the other end of the worm are fixedly connected with a hand wheel.

[0010] Preferably, the top of the first pressboard and the second pressboard is fixedly connected with a limiting tube, the inner cavity of the limiting tube is slidably connected with a limiting rod, the top of the limiting rod is fixedly connected with a supporting plate, and one side of the supporting plate is fixedly connected with the surface of the mounting plate.

[0011] Preferably, the two sides of the threaded sleeve are fixedly connected with a handle, and the surface of the handle is provided with anti-slip lines.

[0012] Preferably, the bottom of the mounting plate is provided with a damping sliding groove, the inner cavity of the damping sliding groove is slidably connected with a damping sliding block, and the bottom of the damping sliding block is fixedly connected with the top of the fixed plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1、The utility model discloses a linkage assembly, can drive first pressboard and second pressboard to move downward once, so that the navigation template body can be fixed initially efficiently and quickly, then through the setting of fine adjustment component, first pressboard and second pressboard can be tightly attached to the surface of patient's face, so that the firmness of clamping can be guaranteed.

[0015] 2, the utility model discloses a recess is set up, can guarantee the first compression board and second compression board and the adhesion of face, set up hand wheel, can conveniently rotate first threaded rod, second threaded rod and worm, set up limit tube and limit rod, can be positioned to first compression board and second compression board, make its steady up and down movement, set up handle, can conveniently rotate threaded bush, set up damping slide and damping slider, can move fixed plate to the worm and worm wheel can be separated to can carry out fine adjustment work. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is structure schematic diagram of the utility model;

[0017] Figure 2 It is structure rear view schematic diagram of the utility model;

[0018] Figure 3 It is first compression and second compression board connecting structure schematic diagram of the utility model;

[0019] Figure 4 It is the utility model Figure 3 Enlarged schematic diagram of a place in the utility model.

[0020] In the drawing: 1, navigation template body;2, first compression board;3, second compression board;4, first threaded tube;5, second threaded tube;6, first threaded rod;7, second threaded rod;8, mounting plate;9, third threaded rod;10, bottom plate;11, clamping plate;12, threaded bush;13, worm wheel;14, worm;15, fixed plate;16, limit tube;17, limit rod;18, support plate;19, damping slide;20, damping slider. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] The components of the utility model are all general standard components or components known to those skilled in the art, and their structure and principle can be known by the technical personnel through technical manual or through conventional experimental method.

[0023] Embodiment one:

[0024] Please refer to Figures 1-4The embodiment discloses a three-prong nerve puncture operation navigation template, which comprises a navigation template body 1, first and second pressing plates 2 and 3 are arranged at the upper and lower ends of the top of the navigation template body 1 respectively, first and second threaded pipes 4 and 5 are fixedly connected to the top of the first and second pressing plates 2 and 3 through bearings respectively, first and second threaded rods 6 and 7 are threadedly connected in the cavities of the first and second threaded pipes 4 and 5 respectively, a mounting plate 8 is fixedly connected to the surfaces of the first and second threaded rods 6 and 7 through bearings, a third threaded rod 9 is fixedly connected to the left side of the bottom of the mounting plate 8, a bottom plate 10 is fixedly connected to the bottom of the third threaded rod 9, a clamping plate 11 is sleeved on the surface of the third threaded rod 9, a threaded sleeve 12 is threadedly connected to the top of the clamping plate 11, recesses used in cooperation with the face contour are formed in the bottoms of the first and second pressing plates 2 and 3, the first and second pressing plates 2 and 3 can be guaranteed to be attached to the face through the recesses, limiting tubes 16 are fixedly connected to the tops of the first and second pressing plates 2 and 3, limiting rods 17 are slidably connected in the cavities of the limiting tubes 16, a supporting plate 18 is fixedly connected to the top of the limiting rod 17, one side of the supporting plate 18 is fixedly connected to the surface of the mounting plate 8, the first and second pressing plates 2 and 3 can be limited and stably moved up and down through the limiting tubes 16 and the limiting rods 17, and knobs are fixedly connected to the two sides of the threaded sleeve 12, and anti-skid lines are arranged on the surfaces of the knobs, the threaded sleeve 12 can be conveniently rotated through the knobs.

[0025] Embodiment two

[0026] Please refer to Figures 1-4 The embodiment discloses the following technical scheme for the purpose of linkage adjustment, specifically discloses that the surfaces of the first and second threaded rods 6 and 7 are fixedly connected with worm gears 13, the surfaces of the worm gears 13 are engaged with worm shafts 14, one end of the worm shaft 14 is fixedly connected with a fixed plate 15 through a bearing, the top of the fixed plate 15 is slidably connected with the bottom of the mounting plate 8, the top of the first threaded rod 6, the top of the second threaded rod 7 and the other end of the worm shaft 14 are fixedly connected with hand wheels, the bottom of the mounting plate 8 is provided with a damping sliding groove 19, a damping sliding block 20 is slidably connected in the cavity of the damping sliding groove 19, the bottom of the damping sliding block 20 is fixedly connected with the top of the fixed plate 15, the fixed plate 15 can be moved through the damping sliding groove 19 and the damping sliding block 20, so that the worm shaft 14 can be separated from the worm gear 13, and then fine adjustment work can be carried out.

[0027] The control mode of the utility model is automatic control through the controller, the control circuit of the controller can be realized through simple programming of the technical personnel in the field, and the control mode and the circuit connection are not explained in detail.

[0028] In use, the device is placed in a suitable position, then the threaded sleeve 12 is driven downward by rotating the handle to lock the clamping plate 11, thereby fixing the device on the surface of the operating table, then the navigation template body 1 is placed on the patient's face, then the worm 14 is driven to rotate by rotating the hand wheel at the front end of the worm 14, the worm 14 drives the worm wheel 13 to rotate, the worm wheel 13 drives the first threaded rod 6 and the second threaded rod 7 to rotate, the first threaded rod 6 and the second threaded rod 7 drive the first pressing plate 2 and the second pressing plate 3 to move downward through the first threaded tube 4 and the second threaded tube 5, thereby preliminarily fixing the navigation template body 1, then the worm 14 is separated from the worm wheel 13 by pulling the worm 14 outward, then fine adjustment and fixing are realized by rotating the hand wheels at the top of the first threaded rod 6 and the second threaded rod 7, thereby ensuring that the navigation template body 1 is stably attached to the patient's face and does not shake.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A trigeminal nerve puncture procedure navigation template comprising a navigation template body (1), characterized in that: The top of the navigation template body (1) is provided with a first pressing plate (2) and a second pressing plate (3) at the top and bottom respectively, the top of the first pressing plate (2) and the second pressing plate (3) is fixedly connected with a first threaded tube (4) and a second threaded tube (5) through bearings respectively, the inner cavities of the first threaded tube (4) and the second threaded tube (5) are threadedly connected with a first threaded rod (6) and a second threaded rod (7) respectively, the surfaces of the first threaded rod (6) and the second threaded rod (7) are fixedly connected with a mounting plate (8) through bearings, the bottom of the mounting plate (8) is fixedly connected with a third threaded rod (9) on the left side, the bottom of the third threaded rod (9) is fixedly connected with a bottom plate (10), the surface of the third threaded rod (9) is sleeved with a clamping plate (11), the surface of the third threaded rod (9) and the top of the clamping plate (11) are threadedly connected with a threaded sleeve (12). The surfaces of the first threaded rod (6) and the second threaded rod (7) are fixedly connected with a worm gear (13), the surface of the worm gear (13) is engaged with a worm (14), one end of the worm (14) is fixedly connected with a fixed plate (15) through a bearing, and the top of the fixed plate (15) is slidingly connected with the bottom of the mounting plate (8).

2. The trigeminal nerve puncture surgical navigation template according to claim 1, wherein: The bottoms of the first pressing plate (2) and the second pressing plate (3) are both provided with grooves for matching the face contour.

3. The trigeminal nerve puncture surgical navigation template according to claim 1, wherein: The tops of the first threaded rod (6), the second threaded rod (7) and the other end of the worm (14) are all fixedly connected with a hand wheel.

4. The trigeminal nerve puncture surgical navigation template of claim 1, wherein: The tops of the first pressing plate (2) and the second pressing plate (3) are both fixedly connected with a limiting tube (16), the inner cavity of the limiting tube (16) is slidingly connected with a limiting rod (17), the top of the limiting rod (17) is fixedly connected with a supporting plate (18), and one side of the supporting plate (18) is fixedly connected with the surface of the mounting plate (8).

5. The trigeminal nerve puncture surgical navigation template according to claim 1, wherein: The two sides of the threaded sleeve (12) are both fixedly connected with a handle, and the surface of the handle is provided with anti-skid lines.

6. The trigeminal nerve puncture surgical navigation template of claim 1, wherein: The bottom of the mounting plate (8) is provided with a damping sliding groove (19), the inner cavity of the damping sliding groove (19) is slidingly connected with a damping sliding block (20), and the bottom of the damping sliding block (20) is fixedly connected with the top of the fixed plate (15).

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