Head fixing device
By designing the chute structure of the bed plate and the vertical plate, and combining the head fixing device of the bolt and knob drive threaded column, the problem of insufficient adaptability of the existing devices is solved, and stability and adaptability are improved.
Patent Information
- Application Number
- CN202421940066.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The existing head fixing device is difficult to automatically adjust to the appropriate angle, resulting in reduced adaptability.
A head fixing device including bed plate, support feet, guardrail, vertical plate, connector, connecting plate and threaded column is designed. Through the cooperation of slide grooves and bolts, flexible adjustment of connector and connecting plate is achieved, and combined with the knob to drive the lifting and lowering of threaded columns, stable fixation of the head is achieved.
It improves the stability and adaptability of the device, can adapt to the heads of patients with different sizes, and increases comfort and ease of operation.
Smart Images

Figure CN223169949U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of neurosurgery, and specifically relates to a head fixing device. Background Technique
[0002] Neurosurgery generally refers to neurosurgery, which is a discipline that utilizes neurosurgery, mainly based on examinations, with surgery as the means, comprehensive treatment, and comprehensive evaluation. It is the youngest, most complex, and fastest-developing discipline in medicine. Previously, due to technological limitations, brain surgery on humans was almost a forbidden zone. However, with the development of technology, various microsurgical neurosurgeries can be carried out with the aid of advanced microsurgical equipment. When performing neurosurgery, the head usually needs to be fixed.
[0003] A Chinese patent with the publication number CN210844062U discloses a head fixing device for neurosurgery, which is composed of an arc plate A, an arc plate B, a push rod B, a column B, an L plate B, a strap B, a strap buckle B, a strap buckle A, a strap A, a through hole, an L plate A, a column A, and a push rod A. It has the advantages of being fast, convenient, simple in structure, good in fixing effect, and flexible in fixing. The arc plate A and the arc plate B are buckled to form the fixation of the skull, with the characteristics of shape fitting and good fixing effect. The clamping force for fixation is elastic. The inner lining plates of the arc plate A and the arc plate B are sponge plates or silica gel plates, which have the properties of air permeability, elasticity, and good protection experience. The L plate A, the L plate B, the strap B, the strap buckle B, the strap buckle A, and the strap A form the frame of the fixing device, enabling the fixing device to be conveniently installed on the operating table or other surgical platforms. The push rod A and the push rod B push the arc plates, thereby generating a clamping and fixing effect, which can achieve fixation at the fastest speed.
[0004] In view of the above and related existing technologies, the inventor believes that the following defects often exist:
[0005] This utility model is not easy to achieve the effect of automatically adjusting the parts to the appropriate angle, which may lead to a decrease in the adaptability of the device.
[0006] Therefore, a head fixing device is proposed to solve the above problems. Content of the Utility Model
[0007] In order to make up for the problems in the existing technology, the utility model proposes a head fixing device.
[0008] The technical solution adopted by the present utility model to solve its technical problems is as follows: A head fixing device of the present utility model includes a bed board. Support feet are fixedly connected to the bottom surface of the bed board near the four corners. Guardrails are fixedly connected to the surface of the bed board near both sides. A notch is opened on the surface of the bed board near the rear side. A mounting plate is fixedly connected above the bed board. A rivet is penetrated through the interior of the mounting plate. A support block is fixedly connected to the inner side of the mounting plate. A vertical plate is fixedly connected to the surface of the bed board. A connecting member is slidably mounted on the surface of the vertical plate. A connecting plate is rotatably connected to the inner side of the connecting member.
[0009] Preferably, a chute is opened on the surface of the vertical plate. A bolt is in threaded cooperation with the interior of the connecting member. The bottom end of the bolt abuts against the inner wall of the chute.
[0010] Preferably, the number of the connecting plates is four, and the four connecting plates are rotatably connected to each other.
[0011] Preferably, a mounting block is rotatably mounted in the interior of the connecting plate. A threaded column is in threaded cooperation with the interior of the mounting block.
[0012] Preferably, a knob is fixedly connected to the top end of the threaded column. A protective pad is rotatably connected to the bottom end of the threaded column.
[0013] Preferably, the support block is arranged directly above the notch, and the top surface of the support block is arc-shaped.
[0014] The beneficial effects of the present utility model are as follows:
[0015] 1. In the present utility model, when the patient's head fits the notch of the support block, after sliding the connecting member to a suitable position on the surface of the vertical plate, the bolt is tightened to fix the connecting member. Then, when the mounting block is rotated to a suitable angle, the knob is rotated to drive the threaded column to descend, so that the protective pad abuts against the patient's head, improving the stability of the device. At this time, the connecting plates automatically rotate to a suitable angle, facilitating the work situation for patients with different head sizes and improving the adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0017] Figure 1 Schematic diagram of the support block structure of the present utility model;
[0018] Figure 2 Schematic diagram of the vertical plate structure of the present utility model;
[0019] Figure 3 Schematic diagram of the connecting plate structure of the present utility model;
[0020] Figure 4 Schematic diagram of the bed board structure of the present utility model.
[0021] In the figure: 1, bed board; 2, support feet; 3, guardrail; 4, notch; 5, mounting plate; 6, rivet; 7, support block; 8, vertical plate; 9, chute; 10, connecting piece; 11, bolt; 12, connecting plate; 13, mounting block; 14, threaded column; 15, knob; 16, protective pad. Specific embodiments
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0023] Please refer to Figures 1-4 As shown, a head fixing device includes a bed board 1. Support feet 2 are fixedly connected to the bottom surface of the bed board 1 near the four corners. Guardrails 3 are fixedly connected to the surface of the bed board 1 near both sides. A notch 4 is provided on the surface of the bed board 1 near the rear side. A mounting plate 5 is fixedly connected above the bed board 1. A rivet 6 penetrates through the inside of the mounting plate 5. A support block 7 is fixedly connected to the inner side of the mounting plate 5. A vertical plate 8 is fixedly connected to the surface of the bed board 1. A connecting piece 10 is slidably mounted on the surface of the vertical plate 8. A connecting plate 12 is rotatably connected to the inner side of the connecting piece 10;
[0024] Furthermore, a chute 9 is provided on the surface of the vertical plate 8. A bolt 11 is in threaded cooperation with the inside of the connecting piece 10. The bottom end of the bolt 11 abuts against the inner wall of the chute 9;
[0025] During operation, due to the structural design that the bottom end of the bolt 11 abuts against the inner wall of the chute 9, it is convenient to adjust the connecting piece 10 to a suitable position and fix the connecting piece 10 at the same time.
[0026] Furthermore, the number of the connecting plates 12 is four, and the four connecting plates 12 are all rotatably connected to each other;
[0027] During operation, due to the structural design that the four connecting plates 12 are all rotatably connected to each other, it is convenient to adjust the connecting plates 12 to a position suitable for the patient's head, improving the adaptability of the device.
[0028] Furthermore, an installation block 13 is rotatably installed inside the connecting plate 12, and a threaded post 14 is in threaded fit inside the installation block 13;
[0029] During operation, due to the structural design that the installation block 13 is rotatably installed inside the connecting plate 12, it is convenient to adjust the threaded post 14 to a suitable working angle, improving the adaptability of the device.
[0030] Furthermore, a knob 15 is fixedly connected to the top end of the threaded post 14, and a protective pad 16 is rotatably connected to the bottom end of the threaded post 14;
[0031] During operation, by rotating the knob 15 to drive the threaded post 14 to lift to a suitable position, and the structural design that the protective pad 16 fits against the patient's head and presses tightly against the patient's head improves the stability of the device during installation.
[0032] Furthermore, the support block 7 is arranged directly above the notch 4, and the top surface of the support block 7 is arc-shaped;
[0033] During operation, due to the structural design that the top surface of the support block 7 is arc-shaped, it is convenient for the top surface of the support block 7 to fit against the patient's head, improving the comfort of the device. Due to the structural design that the support block 7 is arranged directly above the notch 4, it is convenient for the doctor to perform surgery on the patient's head.
[0034] Working principle: First, install the support block 7 directly above the notch 4 through the mounting plate 5 and the rivet 6. The patient lies flat on the surface of the bed board 1, and the head fits against the notch 4 of the support block 7. At this time, after sliding the connecting member 10 to a suitable position on the surface of the vertical plate 8, tighten the bolt 11 to fix the connecting member 10. At this time, after rotating the installation block 13 to a suitable angle, rotate the knob 15 to drive the threaded post 14 to descend, so that the protective pad 16 presses tightly against the patient's head, improving the stability of the device. At this time, the connecting plates 12 automatically rotate to a suitable angle.
[0035] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.
Claims
1. A head fixing device, comprising a bed board (1), characterized in that: Support feet (2) are fixedly connected to the bottom surface of the bed board (1) near the four corners. Guardrails (3) are fixedly connected to the surface of the bed board (1) near both sides. A notch (4) is formed in the surface of the bed board (1) near the rear side. A mounting plate (5) is fixedly connected above the bed board (1). A rivet (6) is disposed through the interior of the mounting plate (5). A support block (7) is fixedly connected to the inner side of the mounting plate (5). A vertical plate (8) is fixedly connected to the surface of the bed board (1). A connecting member (10) is slidably mounted on the surface of the vertical plate (8). A connecting plate (12) is rotatably connected to the inner side of the connecting member (10).
2. The head fixation device according to claim 1, wherein: A chute (9) is formed in the surface of the vertical plate (8). A bolt (11) is in threaded engagement with the interior of the connecting member (10). The bottom end of the bolt (11) abuts against the inner wall of the chute (9).
3. The head fixing device according to claim 1, characterized in that: The number of the connecting plates (12) is four, and the four connecting plates (12) are rotatably connected to each other.
4. A head fixing device according to claim 1, characterized in that: A mounting block (13) is rotatably mounted in the interior of the connecting plate (12). A threaded column (14) is in threaded engagement with the interior of the mounting block (13).
5. The head fixation device according to claim 4, wherein: A knob (15) is fixedly connected to the top end of the threaded column (14). A protective pad (16) is rotatably connected to the bottom end of the threaded column (14).
6. The head fixing device according to claim 1, characterized in that: The support block (7) is disposed directly above the notch (4), and the top surface of the support block (7) is arc-shaped.
Citation Information
Patent Citations
Head fixing device for brain surgery
CN210844062U