Fixing device for preventing head displacement in operation

The head is fixed by a transmission rod-type side fixation plate driven by an electric telescopic rod, which solves the problem of obstructing the line of sight and space in existing devices. It achieves stable fixation of the head and angle adjustment, and improves the operating space and precision of interventional neurological surgery.

CN223774015UActive Publication Date: 2026-01-09THE PEOPLES HOSPITAL SHAANXI PROV
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Patent Information

Application Number
CN202520226172.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2026-01-09
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

Existing head fixation devices used in interventional neurological surgeries obstruct the surgical field of vision and space, increasing the difficulty of the procedure.

Method used

The head is secured by a side fixing plate driven by an electric telescopic rod. The side fixing plate presses against the face and can be flipped to clamp, ensuring that the head is fixed as a whole without obstructing the head's position.

Benefits of technology

It increases the surgeon's operating space, achieves stable fixation of the head and angle adjustment, and reduces the difficulty of the surgical procedure.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223774015U_ABST
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Abstract

The utility model discloses an operation skull anti-displacement fixing device which comprises a main body bearing frame, an arc-shaped guide frame is arranged at the top end of the main body bearing frame, a positioning seat is arranged in the arc-shaped guide frame, and a bearing vertical rod is fixedly connected to the top face of the positioning seat. According to the fixing device for preventing the head from shifting in the operation, the electric telescopic rod is arranged to drive the side fixing plates on the two sides of the transmission rod to fix the head placed on the head pillow, so that the head of a patient is located in the middle of the device, the side fixing plates extrude the face of the patient, and the whole head of the patient can be fixed; when the side fixing plate clamps the face of the patient, the pressing plate overturns downwards, so that the head of the patient can be further fixed, compared with an original device, the position of the head of the patient is not blocked at all, and the operation space of a doctor during an operation can be effectively increased.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, is related to a kind of surgical cranium anti-displacement's fixing device. BACKGROUND

[0002] Neurological intervention surgery is a minimally invasive technique, which is used to treat cerebrovascular diseases, spinal disorders and neural tumors and other diseases through image-guided therapy. Common methods include cerebral vascular stent implantation, aneurysm embolization, angioplasty, vertebroplasty and spinal interventional therapy, etc. Compared with traditional surgery, interventional surgery has small trauma, fast recovery and fewer complications, and is usually performed under the support of CT, MRI or neurological surgery head fixation and head angle adjustment SA equipment, significantly improving the treatment accuracy and safety.

[0003] As disclosed in Chinese patent publication No. (CN219127200U), a neurological intervention surgery head cranium anti-displacement fixing device is disclosed, which comprises a fixing plate, an adjusting mechanism is installed on one side of the fixing plate, a fixing mechanism is installed on one side of the adjusting mechanism, and an auxiliary mechanism is installed on one side of the adjusting mechanism. The adjusting mechanism provided on the fixing plate can not only adjust and fix according to the head condition of the patient, but also assist in fixing the patient's head, preventing the patient's head from shaking or moving during neurological intervention surgery. At the same time, the mounting mechanism provided on the fixing plate can fix the neurological intervention surgery head cranium anti-displacement fixing device, preventing the neurological intervention surgery head cranium anti-displacement fixing device or the operating table from shaking during neurological intervention surgery, facilitating better intervention surgery operation for neurological medical staff. The fixing mechanism provided on the fixing plate can fix the patient, reducing the shaking of the patient during neurological intervention surgery, and facilitating better operation of neurological intervention surgery.

[0004] In summary, the device also has the following technical problems: the device only moves the two side push plates to the middle to fix the patient's head, but the two sides and the front end of the fixed head are blocked, which will affect the surgical vision and surgical space, thereby increasing the difficulty of surgical operation to some extent. Therefore, a surgical cranium anti-displacement fixing device is needed to solve the technical problems mentioned in the above patent and provide a new technical solution. UTILITY MODEL CONTENT

[0005] Therefore, it is necessary to provide a surgical head displacement-preventing fixing device aiming at the above technical problems, which fixes the head placed on the head pillow through the side fixing plates on both sides of the driving transmission rod driven by the electric telescopic rod, so that the head of the patient is in the middle of the device, and the side fixing plates can fix the whole head of the patient by extruding the face of the patient, and the pressing plate can further fix the head of the patient by being turned down while clamping the face of the patient, so that the operation space of the doctor during the operation can be effectively increased without any obstruction to the position of the head of the patient compared with the original device.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A surgical head displacement-preventing fixing device is applied to the head fixing and angle adjusting of neurosurgery.

[0008] The surgical head displacement-preventing fixing device specifically comprises a main body support frame, and an arc-shaped guide frame is arranged at the top end of the main body support frame.

[0009] An arc-shaped guide frame is arranged at the top end of the main body support frame. An arc-shaped guide frame is arranged at the top end of the main body support frame. The inside of the arc-shaped guide frame is provided with a positioning seat, the top surface of the positioning seat is fixedly connected with a bearing vertical rod, one end of the bearing vertical rod away from the arc-shaped guide frame is fixedly connected with a head pillow, the side surface of the bearing vertical rod is fixedly connected with an inclined rod, one end of the inclined rod away from the bearing vertical rod is fixedly connected with an electric telescopic rod, the transmission end of the electric telescopic rod is provided with a transmission rod, one end of the transmission rod away from the electric telescopic rod is provided with a guide groove, the inner wall of the guide groove is slidably connected with a sliding rod, the inner wall of the guide groove is provided with a reset spring, and one end of the sliding rod away from the transmission rod is fixedly connected with a side fixing plate.

[0010] As a preferred embodiment of the surgical head displacement-preventing fixing device, the surface of the transmission rod is fixedly connected with an extension vertical rod, the top surface of the side fixing plate is hingedly connected with a pressing plate, one end of the extension vertical rod away from the transmission rod is hingedly connected with a pushing rod, and one end of the pushing rod away from the extension vertical rod is hingedly connected with the surface of the pressing plate.

[0011] As a preferred embodiment of the surgical head displacement-preventing fixing device, the pressing plate is turned inward to form an inward clamping angle with the side fixing plate.

[0012] As a preferred embodiment of the surgical head displacement-preventing fixing device, one side of the side fixing plate and the pressing plate away from the sliding rod is an arc surface, and the surfaces of the head pillow, the side fixing plate and the pressing plate are fixedly provided with anti-skid pads.

[0013] As a preferred implementation form of the surgical head displacement-preventing fixing device, the surface of the arc-shaped guide frame is provided with an arc-shaped sliding groove, the positioning seat is slidingly arranged on the inner wall of the arc-shaped sliding groove, the surface of the arc-shaped guide frame is provided with a plurality of positioning holes in an annular array, and the surface of the positioning seat is provided with an avoiding hole corresponding to the positioning hole.

[0014] As a preferred implementation form of the surgical head displacement-preventing fixing device, the inner wall of the positioning seat is slidingly connected with an extension push rod, one end of the extension push rod is fixedly connected with a bearing plate, one side of the bearing plate close to the extension push rod is fixedly connected with a plug rod, and the end of the extension push rod away from the bearing plate is fixedly connected with a handle.

[0015] As a preferred implementation form of the surgical head displacement-preventing fixing device, the surface of the extension push rod is sleeved with a locking spring, and the two ends of the locking spring are fixedly connected with the handle and the positioning seat respectively.

[0016] Compared with the prior art, the surgical head displacement-preventing fixing device has the following beneficial effects:

[0017] The surgical head displacement-preventing fixing device provided by the utility model has the advantages that the head placed on the head pillow is fixed by the side fixing plates on both sides of the driving transmission rod driven by the electric telescopic rod, so that the head of the patient is in the middle of the device, the side fixing plates can realize the fixation of the whole head of the patient by extruding the face of the patient, the side fixing plates can further fix the head of the patient by clamping the face of the patient and turning down the pressing plate, and the head position of the patient is not blocked by the original device, so that the operation space of the doctor during the operation can be effectively increased.

[0018] The surgical head displacement-preventing fixing device provided by the utility model has the advantages that the head placed on the head pillow is fixed by the side fixing plates on both sides of the driving transmission rod driven by the electric telescopic rod, so that the head of the patient is in the middle of the device, the side fixing plates can realize the fixation of the whole head of the patient by extruding the face of the patient, the side fixing plates can further fix the head of the patient by clamping the face of the patient and turning down the pressing plate, and the head position of the patient is not blocked by the original device, so that the operation space of the doctor during the operation can be effectively increased. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the scheme in the utility model, the drawings needed in the embodiment description will be briefly introduced as follows, and obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 The overall structure schematic view of the surgical head displacement-preventing fixing device provided by the utility model is shown in the figure.

[0021] Figure 2 The position structure schematic view of the arc-shaped guide frame, the bearing vertical rod and the electric telescopic pump of the surgical head and skull anti-displacement fixing device is provided in the utility model.

[0022] Figure 3 The structure schematic view of the electric telescopic rod transmission rod of the surgical head and skull anti-displacement fixing device is provided in the utility model.

[0023] Figure 4 The internal structure schematic view of the electric telescopic rod and the transmission rod of the surgical head and skull anti-displacement fixing device is provided in the utility model.

[0024] Figure 5 The connection structure schematic view of the arc-shaped guide frame and the positioning seat of the surgical head and skull anti-displacement fixing device is provided in the utility model.

[0025] The mark in the drawing is explained as follows:

[0026] 1, main body bearing frame; 2, arc-shaped guide frame; 3, positioning seat; 4, bearing vertical rod; 5, head pillow; 6, inclined rod; 7, electric telescopic rod; 8, transmission rod; 9, guide groove; 10, sliding rod; 11, reset spring; 12, side fixing plate; 13, extension vertical rod; 14, pressing plate; 15, push rod; 16, arc-shaped sliding groove; 17, positioning hole; 18, avoiding hole; 19, extension push rod; 20, bearing plate; 21, plug rod; 22, handle; 23, locking spring. DETAILED DESCRIPTION

[0027] In order for the personnel in the technical field to better understand the utility model scheme, the technical scheme in the utility model embodiments will be clearly and completely described below in combination with the drawings in the utility model embodiments. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the personnel in the field without creative labor should belong to the protection scope of the utility model.

[0028] As described in the background, the device only moves the middle part of the two sides of the push plate to realize the fixation of the patient's head, but the two sides and the front end of the fixed head are blocked, which will affect the surgical vision and the surgical space, thereby increasing the difficulty of the surgical operation to a certain extent.

[0029] In order to solve this technical problem, the utility model provides a surgical head and skull anti-displacement fixing device which is applied to the neurology department surgical head fixation and head angle adjustment.

[0030] Specifically, please refer to Figures 1-2The surgical head displacement-preventing fixing device specifically comprises a main body support frame 1, and an arc-shaped guide frame 2 is arranged at the top end of the main body support frame 1;

[0031] An arc-shaped guide frame 2 is arranged inside the arc-shaped guide frame 2, a positioning seat 3 is arranged at the top surface of the arc-shaped guide frame 2, a bearing vertical rod 4 is fixedly connected to the top surface of the positioning seat 3, a head pillow 5 is fixedly connected to the end of the bearing vertical rod 4 away from the arc-shaped guide frame 2, an inclined rod 6 is fixedly connected to the side surface of the bearing vertical rod 4, an electric telescopic rod 7 is fixedly connected to the end of the inclined rod 6 away from the bearing vertical rod 4, a transmission rod 8 is arranged at the transmission end of the electric telescopic rod 7, a guide groove 9 is arranged at the end of the transmission rod 8 away from the electric telescopic rod 7, a sliding rod 10 is slidably connected to the inner wall of the guide groove 9, a reset spring 11 is arranged on the inner wall of the guide groove 9, and a side fixing plate 12 is fixedly connected to the end of the sliding rod 10 away from the transmission rod 8.

[0032] The surgical head displacement-preventing fixing device provided by the utility model can fix the head of a patient on the head pillow 5 through the electric telescopic rod 7 driving the side fixing plates 12 on both sides of the transmission rod 8, so that the head of the patient is in the middle of the device, the side fixing plates 12 can fix the whole head of the patient by extruding the face of the patient, the side fixing plates 12 can further fix the head of the patient by clamping the face of the patient and the pressing plate 14 being turned down, and the head position of the patient is not blocked by the device, so that the operation space of a doctor can be effectively increased.

[0033] In order for those skilled in the art to better understand the utility model scheme, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings.

[0034] Embodiment 1:

[0035] Please refer to Figures 1-4 The surgical head displacement-preventing fixing device comprises a main body support frame 1, and an arc-shaped guide frame 2 is arranged at the top end of the main body support frame 1;

[0036] An arc-shaped guide frame 2 is arranged inside the arc-shaped guide frame 2, a positioning seat 3 is arranged at the top surface of the arc-shaped guide frame 2, a bearing vertical rod 4 is fixedly connected to the top surface of the positioning seat 3, a head pillow 5 is fixedly connected to the end of the bearing vertical rod 4 away from the arc-shaped guide frame 2, an inclined rod 6 is fixedly connected to the side surface of the bearing vertical rod 4, an electric telescopic rod 7 is fixedly connected to the end of the inclined rod 6 away from the bearing vertical rod 4, a transmission rod 8 is arranged at the transmission end of the electric telescopic rod 7, a guide groove 9 is arranged at the end of the transmission rod 8 away from the electric telescopic rod 7, a sliding rod 10 is slidably connected to the inner wall of the guide groove 9, a reset spring 11 is arranged on the inner wall of the guide groove 9, and a side fixing plate 12 is fixedly connected to the end of the sliding rod 10 away from the transmission rod 8.

[0037] Specifically, the surface of the transmission rod 8 is fixedly connected with an extending vertical rod 13, the top surface of the side fixing plate 12 is hingedly connected with a pressing plate 14, one end of the extending vertical rod 13 away from the transmission rod 8 is hingedly connected with a pushing rod 15, and the end of the pushing rod 15 away from the extending vertical rod 13 is hingedly connected with the surface of the pressing plate 14.

[0038] Specifically, the inward turning of the pressing plate 14 cooperates with the side fixing plate 12 to form an inward angle.

[0039] Specifically, the side away from the sliding rod 10 of the side fixing plate 12 and the pressing plate 14 is arc-shaped, and the surfaces of the headrest 5, the side fixing plate 12 and the pressing plate 14 are fixedly provided with anti-skid pads.

[0040] Through the above structure design, when the device is used, the device is first placed at the front end of the operating bed, then the patient lies on the operating bed and places the head pillow at the upper end of the headrest 5, then the electric telescopic rod 7 is started, the two electric telescopic rods 7 simultaneously drive the transmission rod 8 to move to the middle, the transmission rod 8 pushes the side fixing plate 12 to move close to the patient's face through the sliding rod 10, when the side fixing plate 12 contacts the patient's face, the sliding rod 10 stops and the side fixing plate 12 stops moving, and the transmission rod 8 makes the pushing rod 15 push the pressing plate 14 to turn to the patient's face through the extending vertical rod 13, when the pressing plate 14 contacts the patient's face, the driving of the electric telescopic rod 7 is stopped, and the positioning of the patient's head is realized.

[0041] Embodiment 2:

[0042] The surgical head anti-displacement fixing device provided in Embodiment 1 is further optimized, specifically, as shown in Figure 2 and Figure 5 the surface of the arc-shaped guide frame 2 is provided with an arc-shaped sliding groove 16, the positioning seat 3 is slidingly arranged on the inner wall of the arc-shaped sliding groove 16, the surface of the arc-shaped guide frame 2 is provided with a plurality of positioning holes 17 in a ring array, and the surface of the positioning seat 3 is provided with an avoiding hole 18 corresponding to the positioning hole 17.

[0043] Specifically, the inner wall of the positioning seat 3 is slidingly connected with an extending pushing rod 19, one end of the extending pushing rod 19 is fixedly connected with a bearing plate 20, one side of the bearing plate 20 close to the extending pushing rod 19 is fixedly connected with a plug rod 21, and the end of the extending pushing rod 19 away from the bearing plate 20 is fixedly connected with a handle 22.

[0044] Specifically, the surface of the extending pushing rod 19 is sleeved with a locking spring 23, and the two ends of the locking spring 23 are fixedly connected with the handle 22 and the positioning seat 3 respectively.

[0045] Through the above structural design, when the head angle needs to be adjusted, the handle 22 is pushed to make the extension push rod 19 slide in the middle of the positioning seat 3, the extension push rod 19 pushes the bearing plate 20 to drive the plug rod 21 to pull out from the middle of the positioning hole 17, the handle 22 is pushed at the same time to extrude the locking spring 23, at this time the positioning seat 3 can slide freely in the middle of the arc-shaped sliding groove 16, the positioning seat 3 slides at the same time to drive the head pillow 5 to rotate the head of the patient at the midpoint of the two ends of the positioning seat 3, the angle adjustment is completed, the handle 22 is released, the locking spring 23 pushes the handle 22 to make the extension push rod 19 slide in the middle of the positioning seat 3, the extension push rod 19 drives the bearing plate 20 to move, and then the plug rod 21 can be inserted through the avoiding hole 18 to the middle of the positioning hole 17, and the angle adjustment of the head of the patient can be realized.

Claims

1. A fixation device for preventing surgical head displacement, characterized in that; Including the main body support frame (1), the top of the main body support frame (1) is provided with an arc-shaped guide frame (2); The inside of the arc-shaped guide frame (2) is provided with a positioning seat (3), the top surface of the positioning seat (3) is fixedly connected with a bearing vertical rod (4), the end of the bearing vertical rod (4) away from the arc-shaped guide frame (2) is fixedly connected with a head pillow (5), the side surface of the bearing vertical rod (4) is fixedly connected with an inclined rod (6), the end of the inclined rod (6) away from the bearing vertical rod (4) is fixedly connected with an electric telescopic rod (7), the transmission end of the electric telescopic rod (7) is provided with a transmission rod (8), the end of the transmission rod (8) away from the electric telescopic rod (7) is provided with a guide groove (9), the inner wall of the guide groove (9) is slidably connected with a sliding rod (10), the inner wall of the guide groove (9) is provided with a reset spring (11), the end of the sliding rod (10) away from the transmission rod (8) is fixedly connected with a side fixed plate (12).

2. The cranial displacement preventing fixation device of claim 1, wherein, The surface of the transmission rod (8) is fixedly connected with an extension vertical rod (13), the top surface of the side fixed plate (12) is hingedly connected with a pressing plate (14), the end of the extension vertical rod (13) away from the transmission rod (8) is hingedly connected with a pushing rod (15), the end of the pushing rod (15) away from the extension vertical rod (13) is hingedly connected with the surface of the pressing plate (14).

3. The cranial displacement preventing fixation device of claim 2, wherein, The inwardly turned cooperation of the pressing plate (14) and the side fixed plate (12) can form an inward angle.

4. The cranial displacement preventing fixation device of claim 2, wherein, The side of the side fixed plate (12) and the pressing plate (14) away from the sliding rod (10) is arc-shaped, and the surfaces of the head pillow (5), the side fixed plate (12) and the pressing plate (14) are fixedly provided with anti-skid pads.

5. The cranial displacement preventing fixation device of claim 1, wherein, The surface of the arc-shaped guide frame (2) is provided with an arc-shaped sliding groove (16), the positioning seat (3) is slidably arranged on the inner wall of the arc-shaped sliding groove (16), the surface of the arc-shaped guide frame (2) is provided with a plurality of positioning holes (17) in an annular array, and the surface of the positioning seat (3) is provided with an avoiding hole (18) corresponding to the positioning hole (17).

6. The cranial displacement preventing fixation device of claim 5, wherein, The inner wall of the positioning seat (3) is slidably connected with an extension pushing rod (19), one end of the extension pushing rod (19) is fixedly connected with a bearing plate (20), one side of the bearing plate (20) close to the extension pushing rod (19) is fixedly connected with a plug rod (21), and the end of the extension pushing rod (19) away from the bearing plate (20) is fixedly connected with a handle (22).

7. The cranial displacement preventing fixation device of claim 6, wherein, The surface of the extension pushing rod (19) is sleeved with a locking spring (23), and the two ends of the locking spring (23) are fixedly connected with the handle (22) and the positioning seat (3) respectively.