CN220293792U - A neurointerventional head and neck fixation device - Google Patents

Abstract

The utility model discloses a neurointerventional head and neck fixation device, which includes a bottom plate. A pillow is fixedly connected to the top of the bottom plate. Adjustment mechanisms are provided on both sides of the bottom plate. The top of the adjustment mechanism is provided with a fixing mechanism. . By starting the first motor, the utility model causes the first motor to drive the first screw to rotate, the first screw drives the threaded sleeve to move, and the threaded sleeve drives the fixing mechanism to move, thereby adjusting the fixed position of the patient's head, and then starts the second motor. , the second motor drives the turntable to rotate, the turntable drives the pin to rotate, the pin drives the movable plate to move, the movable plate drives the splint to move through the cooperation of the movable rod, thereby fixing the patient's head from both sides, and then rotates through the hand wheel The second screw drives the pressure plate to move downward, thereby re-fixing the patient's head through the cooperation of the pressure plate and the pillow, thereby ensuring that the patient's head does not move during treatment.

Description

A neurointerventional head and neck fixation device

Technical field

The utility model relates to the technical field of neurointervention, specifically to a neurointervention head and neck fixation device.

Background technique

Neurointervention, as the name suggests, treats neurological diseases. It uses intravascular catheter operation technology with the support of digital subtraction angiography system, and uses specific methods such as selective angiography, embolization, dilatation, mechanical clearance, and drug delivery to treat neurological diseases. It is an emerging minimally invasive clinical technology that diagnoses and treats lesions in the human neurovascular system. It opens up new ideas and treatment approaches for many cerebral and spinal vascular diseases. During neurointerventional surgery, patients will be Anesthesia, in order to ensure the accuracy of the surgical procedure, the patient's head and neck need to be immobilized.

After searching, China Utility Model provides "a neurointerventional head and neck fixation device", and its announcement number is: CN214208516U. This practical neurointerventional head and neck fixation device has two sides of the head placement area transversely on the base. The position of the arc-shaped clamping plate is adjusted to reliably clamp and fix the patient's head, which greatly reduces the risk of the patient's head shifting during neurointerventional surgery, helps to improve the efficacy of the surgery, and coordinates with the head The placement area is equipped with a neck fixation area. The neck is fixed through rubber clamping cushions on both sides. Its rational design is very convenient for medical staff to fix the patient's head. The fixation is firm and the patient is comfortable. At the same time, it can be lifted The patient's head fixation solution is very simple and fast. It can be completely released by adjusting the left and right screws. The entire structure is safe and reliable. However, the existing technical neurointerventional head and neck fixation device has poor fixation effect and can only be used solely from The patient's head is fixed on both sides, and different positions of the patient's head and neck cannot be fixed, which has certain limitations in use, thereby reducing the practicability of the fixation device.

Utility model content

(1) Technical problems solved

In view of the shortcomings of the prior art, the purpose of this utility model is to provide a neurointerventional head and neck fixation device, which achieves the purpose of effectively fixing different positions of the patient's head and neck and solves the problems of the prior art neurointerventional head and neck. The fixation effect of the fixation device is poor. It can only fix the patient's head from both sides, and cannot fix different positions of the patient's head and neck. There are certain limitations in use, which reduces the practicality of the fixation device. question.

(2) Technical solutions

In order to achieve the above object, the present utility model provides the following technical solution. The technical solution adopted by a neurointerventional head and neck fixation device is: including a bottom plate, a pillow is fixedly connected to the top of the bottom plate, and both sides of the bottom plate are An adjustment mechanism is provided, a fixing mechanism is provided on the top of the adjustment mechanism, the adjustment mechanism includes a housing, a first motor is fixedly connected to the back of the inner cavity of the housing, and a third motor is fixedly connected to the output end of the first motor. A screw rod, the surface of the first screw rod is threadedly connected to a threaded sleeve, the fixing mechanism includes a frame, the bottom of the frame is fixedly connected to the top of the threaded sleeve, and boxes are fixedly connected to both sides of the frame, so A second motor is fixedly connected to the back of the inner cavity of the box, a turntable is fixedly connected to the output end of the second motor, a pin is fixedly connected to the front of the turntable, and a movable plate is slidingly connected to the surface of the pin. The opposite sides of the movable plate are fixedly connected with movable rods. One end of the movable rod away from the movable plate penetrates into the inner cavity of the frame and is fixedly connected with a splint. The top of the frame is provided with a second screw, and the third A handwheel is fixedly connected to the top of the two screws, and a pressure plate is movably connected to the bottom of the second screw.

As a preferred solution, guide posts are fixedly connected between the top and bottom on both sides of the inner cavity of the box, and the surfaces of the two guide posts are movably connected to the inner wall of the movable plate.

As a preferred solution, the bottom of the threaded sleeve is fixedly connected with a slider, and the bottom of the inner cavity of the housing is provided with a slide groove for use with the slider.

As a preferred solution, sliding rods are fixedly connected to both sides of the top of the pressure plate. One end of the two slide rods away from the pressure plate penetrates to the top of the frame. The surface of the second screw rod is movably connected to the inner wall of the frame through threads.

As a preferred solution, a through groove is provided on the surface of the movable plate, and a first opening is provided on the top of the housing.

As a preferred solution, a sealing plate is provided on the front of the box, and bolts are provided on the front of the sealing plate. The surface of the bolt is movably connected to the inner wall of the box through threads.

As a preferred solution, second openings are provided on opposite sides of the box, and one end of the first screw away from the first motor is movably connected to the front side of the inner cavity of the housing through a bearing.

(3) Beneficial effects

Compared with the existing technology, the present utility model provides a nerve intervention head and neck fixation device, which has the following beneficial effects.

1. By starting the first motor, the utility model causes the first motor to drive the first screw to rotate, the first screw drives the threaded sleeve to move, and the threaded sleeve drives the fixing mechanism to move, thereby adjusting the fixed position of the patient's head, and then starts the third screw. Two motors, the second motor drives the turntable to rotate, the turntable drives the pin to rotate, the pin drives the movable plate to move, the movable plate drives the splint to move through the cooperation of the movable rod, thereby fixing the patient's head from both sides, and then manually The second screw rotates the second screw, and the second screw drives the pressure plate to move downward, so that the patient's head is fixed again through the cooperation of the pressure plate and the pillow, thereby ensuring that the patient's head will not move during treatment.

2. By setting guide posts, the utility model can limit the position of the movable plate to improve the stability of the moving plate. By setting the slider and chute, the utility model can limit the position of the threaded sleeve to improve the stability of the threaded sleeve when moving. The stability of the pressure plate can be limited by arranging the sliding rod to improve the stability of the pressure plate. By arranging the through slot, the pin can drive the movable plate to move conveniently. By arranging the first opening, the use of the frame can be facilitated. The sealing plate and bolts are provided to facilitate sealing of the box, and the second opening is provided to facilitate the use of the movable rod.

Description of drawings

Figure 1 is a perspective view of the structure of the utility model;

Figure 2 is a schematic cross-sectional view of the structure of the utility model;

Figure 3 is a schematic side cross-sectional view of the housing of the utility model;

Figure 4 is a schematic side view of the second motor of the present invention.

In the picture: 1. Base plate; 2. Pillow; 3. Adjustment mechanism; 4. Fixing mechanism; 301. Housing; 302. First motor; 303. First screw; 304. Threaded sleeve; 401. Frame; 402. Box Body; 403, second motor; 404, turntable; 405, pin; 406, movable plate; 407, movable rod; 408, splint; 409, second screw; 4010, hand wheel; 4011, pressure plate.

Detailed ways

The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

In the description of the present utility model, unless otherwise stated, the meaning of "plurality" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer" ", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. It is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation of the present invention. Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise clearly stated and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection, or Integrated 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. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to Figures 1-4. This utility model: a neurointerventional head and neck fixation device, including a base plate 1. A pillow 2 is fixedly connected to the top of the base plate 1. Adjustment mechanisms 3 are provided on both sides of the base plate 1. The adjustment mechanisms 3 A fixing mechanism 4 is provided on the top of the adjusting mechanism 3. The adjusting mechanism 3 includes a housing 301. A first motor 302 is fixedly connected to the back of the inner cavity of the housing 301. A first screw 303 is fixedly connected to the output end of the first motor 302. The first screw 303 The surface of the frame 401 is threadedly connected with a threaded sleeve 304. The fixing mechanism 4 includes a frame 401. The bottom of the frame 401 is fixedly connected to the top of the threaded sleeve 304. Both sides of the frame 401 are fixedly connected with a box 402. The back of the inner cavity of the box 402 is fixed. A second motor 403 is connected, and a turntable 404 is fixedly connected to the output end of the second motor 403. A pin 405 is fixedly connected to the front of the turntable 404, and a movable plate 406 is slidingly connected to the surface of the pin 405. The opposite side of the movable plate 406 Both are fixedly connected with a movable rod 407. One end of the movable rod 407 away from the movable plate 406 penetrates into the inner cavity of the frame 401 and is fixedly connected with a splint 408. A second screw 409 is provided through the top of the frame 401, and the top of the second screw 409 is fixed. A handwheel 4010 is connected, and a pressure plate 4011 is movably connected to the bottom of the second screw 409.

Guide posts are fixedly connected between the top and bottom of both sides of the inner cavity of the box 402, and the surfaces of the two guide posts are movably connected to the inner wall of the movable plate 406.

Through the above technical solution, by providing guide pillars, the movable plate 406 can be limited to improve the stability of the movable plate 406 when moving.

The bottom of the threaded sleeve 304 is fixedly connected with a slider, and the bottom of the inner cavity of the housing 301 is provided with a chute for use with the slider.

Through the above technical solution, by providing the slide block and the chute, the threaded sleeve 304 can be limited to improve the stability of the threaded sleeve 304 when moving.

Slide rods are fixedly connected to both sides of the top of the pressure plate 4011. One end of the two slide rods away from the pressure plate 4011 penetrates to the top of the frame 401. The surface of the second screw rod 409 is movably connected to the inner wall of the frame 401 through threads.

Through the above technical solution, by providing the sliding rod, the pressure plate 4011 can be limited to improve the stability of the pressure plate 4011.

The surface of the movable plate 406 is provided with a through groove, and the top of the housing 301 is provided with a first opening.

Through the above technical solution, by providing the through slot, the pin 405 can be conveniently driven to move the movable plate 406, and by being provided with the first opening, the use of the frame 401 can be facilitated.

A sealing plate is provided on the front of the box 402, and bolts are provided on the front of the sealing plate. The surfaces of the bolts are movably connected to the inner wall of the box 402 through threads.

Through the above technical solution, the box 402 can be easily sealed by arranging the sealing plate and bolts.

Second openings are provided on opposite sides of the box 402 . The end of the first screw 303 away from the first motor 302 is movably connected to the front side of the inner cavity of the housing 301 through a bearing.

Through the above technical solution, by providing the second opening, the use of the movable rod 407 can be facilitated.

The working principle of the utility model is: start the first motor 302, so that the first motor 302 drives the first screw 303 to rotate, the first screw 303 drives the threaded sleeve 304 to displace, and the threaded sleeve 304 drives the fixing mechanism 4 to move, thereby fixing the patient's head. Adjust the fixed position, and then start the second motor 403. The second motor 403 drives the turntable 404 to rotate. The turntable 404 drives the pin 405 to rotate. The pin 405 drives the movable plate 406 to move. The movable plate 406 drives the splint through the cooperation of the movable rod 407. 408 moves to fix the patient's head from both sides, and then rotates the second screw 409 through the handwheel 4010, and the second screw 409 drives the pressure plate 4011 to move downward, so that the patient's head is fixed through the cooperation of the pressure plate 4011 and the pillow 2. The head is again immobilized to ensure that the patient's head does not move during treatment.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit the protection scope of the present utility model. Although the present utility model has been described in detail with reference to the preferred embodiments, ordinary skill in the art Personnel should understand that the technical solutions of the present invention can be modified or equivalently substituted without departing from the essence and scope of the technical solutions of the present invention.

Claims (7)

1. A neurointerventional head and neck fixation device, comprising a base plate (1), characterized in that: a pillow (2) is fixedly connected to the top of the base plate (1), and both sides of the base plate (1) are provided with Adjustment mechanism (3), a fixed mechanism (4) is provided on the top of the adjustment mechanism (3), the adjustment mechanism (3) includes a housing (301), and the back side of the inner cavity of the housing (301) is fixedly connected There is a first motor (302). The output end of the first motor (302) is fixedly connected with a first screw (303). The surface of the first screw (303) is threadedly connected with a threaded sleeve (304). The fixing mechanism (4) includes a frame (401), the bottom of the frame (401) is fixedly connected to the top of the threaded sleeve (304), and boxes (402) are fixedly connected to both sides of the frame (401), so A second motor (403) is fixedly connected to the back of the inner cavity of the box (402), a turntable (404) is fixedly connected to the output end of the second motor (403), and a turntable (404) is fixedly connected to the front of the turntable (404). Pin (405), the surface of the pin (405) is slidingly connected with a movable plate (406), and the opposite side of the movable plate (406) is fixedly connected with a movable rod (407), and the movable rod (407) 407) One end away from the movable plate (406) penetrates into the inner cavity of the frame (401) and is fixedly connected with a splint (408). A second screw (409) is provided through the top of the frame (401). The second screw (409) is A handwheel (4010) is fixedly connected to the top of the screw (409), and a pressure plate (4011) is movably connected to the bottom of the second screw (409). 2. A neurointerventional head and neck fixation device according to claim 1, characterized in that: guide posts are fixedly connected between the top and bottom of both sides of the inner cavity of the box (402), and two guide posts are fixedly connected. The surfaces of the columns are all movably connected with the inner wall of the movable plate (406). 3. A neurointerventional head and neck fixation device according to claim 1, characterized in that: the bottom of the threaded sleeve (304) is fixedly connected with a slider, and the bottom of the inner cavity of the housing (301) is provided with a sliding block. There is a chute for use with the slider. 4. A neurointerventional head and neck fixation device according to claim 1, characterized in that: sliding rods are fixedly connected to both sides of the top of the pressure plate (4011), and the two sliding rods are far away from the pressure plate (4011). One end penetrates to the top of the frame (401), and the surface of the second screw (409) is movably connected to the inner wall of the frame (401) through threads. 5. A neurointerventional head and neck fixation device according to claim 1, characterized in that: the surface of the movable plate (406) is provided with a through groove, and the top of the said housing (301) is provided with a first Open your mouth. 6. A neurointerventional head and neck fixation device according to claim 1, characterized in that: the front of the box (402) is provided with a sealing plate, and the front of the sealing plate is provided with bolts, and the surface of the bolts passes through The thread is movably connected to the inner wall of the box (402). 7. A neurointerventional head and neck fixation device according to claim 1, characterized in that: second openings are provided on opposite sides of the box (402), and the first screw (303) is away from One end of the first motor (302) is movably connected to the front side of the inner cavity of the housing (301) through a bearing.