Medical rocker arm with automatic hovering function
By combining a three-phase force balance bar and a pressure spring, along with a reverse-threaded screw and imaging equipment, the automatic hovering function of the medical rocker arm is realized, solving the displacement problem caused by external force and gravity in traditional rocker arms, and improving the stability and ease of operation of the surgical equipment.
Patent Information
- Application Number
- CN202520274979.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Traditional medical rocker arms require manual adjustment of their position, and once positioned, they are prone to displacement due to external interference and their own gravity, affecting the accuracy and safety of surgical procedures.
The design employs a three-phase force balance bar combined with a pressure spring. Through the cooperation of a reverse thread screw and imaging equipment, it achieves an automatic hovering function and adjusts the hovering within the load-bearing range.
It enables automatic hovering within different weight ranges, solving the practical need for arbitrary hovering in medical environments and improving the stability and ease of operation of surgical equipment.
Smart Images

Figure CN223715819U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automatic hovering swing arm technical field especially relates to a medical swing arm with automatic hovering function. BACKGROUND
[0002] With the rapid development of modern medical technology, various advanced medical equipment emerges in an endless stream, from simple diagnostic tools to complex surgical instruments, all towards more accurate, efficient and intelligent direction, in this process, as the carrier of medical equipment, the importance of swing arm is increasingly prominent, in the operating room, shadow lamp, surgical camera device and anesthesia machine equipment need to be flexibly adjusted position through swing arm to meet the needs of different positions in the operation process, and the traditional swing arm has been difficult to keep up with the development pace of medical equipment, the research and development of swing arm with automatic hovering function is imminent.
[0003] Modern surgery is more and more fine, the position and angle of surgical equipment are extremely high, neurosurgery needs surgical instruments to accurately reach the lesion site, swing arm with automatic hovering function can stably fix the equipment, ensure the accuracy and safety of operation, traditional medical swing arm relies on manual adjustment of position, and after positioning, displacement occurs due to external interference and self gravity, resulting in that the medical staff accidentally touches the swing arm during operation, so that the equipment position deviates, affects the operation, and is inconvenient for medical staff to use. UTILITARIAN CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides a medical swing arm with automatic hovering function, aiming at improving the problem that the medical swing arm in the prior art relies on manual adjustment of position, and after positioning, displacement occurs due to external interference and self gravity, affecting operation.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a medical swing arm with automatic hovering function, comprising a connecting rod, the top end of the connecting rod is rotatably connected with a rotating shaft one, the right side of the rotating shaft one is rotatably connected with a reverse toothed screw rod, the outer wall right side of the reverse toothed screw rod is provided with a pressure spring, the right end of the pressure spring is rotatably connected with a three-phase force balance rod, the top right side of the three-phase force balance rod is rotatably connected with a rotating shaft two, the outer wall right side of the rotating shaft two is rotatably connected with an outer shell two, the right side of the outer shell two is rotatably connected with a rotating shaft three, and the outer wall right side of the rotating shaft three is fixedly connected with a drawing equipment.
[0006] As a further description of the above technical scheme:
[0007] The outer wall left side of the connecting rod is rotatably connected with a supporting plate.
[0008] As a further description of the above technical scheme:
[0009] The middle part of the bottom surface of the support plate is fixedly connected with a hanging weight.
[0010] As a further description of the above technical solution:
[0011] The outer wall right side of the rotating shaft one is rotationally connected with the outer shell one near the edge.
[0012] As a further description of the above technical solution:
[0013] The right side of the outer shell one is rotationally connected with the outer wall left side of the rotating shaft two.
[0014] As a further description of the above technical solution:
[0015] The bottom of the outer shell two is attached to the top of the outer shell one.
[0016] As a further description of the above technical solution:
[0017] The drawing device is designed in an elongated shape.
[0018] The utility model has the following beneficial effects:
[0019] 1、 the utility model discloses, through three -phase force balance pole combines pressure spring, realizes the free hovering in the bearing range, makes the pressure spring compression, subsequently three -phase force balance pole strength is unbalanced upwards, cooperates drawing device and shows arrow direction rotation, at this moment, the corresponding weight of hanging can offset this power and realize hovering just can, and cooperate counter tooth screw rod reverse rotation simultaneously, make the pressure spring compression, three -phase force balance pole strength is unbalanced downwards, cooperate the weight of the reduction hanging can reach power balance, realize the hanging suspension function of the bearing range in different weight just can, therefore can adjust the automatic hovering swing arm of bearing range, solved the actual demand of random hovering in medical environment. DRAWINGS
[0020] Figure 1 It is a front side perspective view of a medical swing arm with automatic hovering function proposed by the utility model;
[0021] Figure 2 It is a partial structure diagram of a medical swing arm with automatic hovering function proposed by the utility model;
[0022] Figure 3 It is a partial structure diagram of a medical swing arm with automatic hovering function proposed by the utility model;
[0023] Figure 4 It is a partial structure diagram of a medical swing arm with automatic hovering function proposed by the utility model;
[0024] Legend:
[0025] 1, connecting rod; 2, rotating shaft one; 3, shell one; 4, rotating shaft two; 5, shell two; 6, rotating shaft three; 7, drawing equipment; 8, hanging heavy object; 9, support plate; 10, reverse thread screw; 11, pressure spring; 12, three-phase force balance bar. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only 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 those skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] Please refer to the drawings in the embodiments of the utility model Figure 1 - the drawings in the embodiments of the utility model Figure 3 An embodiment provided by the utility model: a medical rocker with automatic hovering function, comprising a connecting rod 1, the top end of the connecting rod 1 is rotationally connected with a rotating shaft one 2, the right side of the rotating shaft one 2 is rotationally connected with a reverse thread screw 10, the outer wall right side of the reverse thread screw 10 is provided with a pressure spring 11, the right end of the pressure spring 11 is rotationally connected with a three-phase force balance bar 12, the top right side of the three-phase force balance bar 12 is rotationally connected with a rotating shaft two 4, the outer wall right side of the rotating shaft two 4 is rotationally connected with a shell two 5, the right side of the shell two 5 is rotationally connected with a rotating shaft three 6, the outer wall right side of the rotating shaft three 6 is fixedly connected with a drawing equipment 7, the bottom surface middle part of the support plate 9 is fixedly connected with a hanging heavy object 8.
[0028] Specifically, the right side of the rotating shaft one 2 is rotationally connected with a reverse thread screw 10 through a connecting mode, the outer wall right side of the reverse thread screw 10 is provided with a pressure spring 11, the pressure spring 11 provides elastic force and reset force, the right end of the pressure spring 11 is connected with a three-phase force balance bar 12 through another rotational connection mode, the balance bar is used for balancing force in three directions, the right side outer wall of the reverse thread screw 10 can provide necessary elastic force and reset function when needed, and the three-phase force balance bar 12 connected with it can balance force.
[0029] Please refer to the drawings in the embodiments of the utility model Figure 2 - the drawings in the embodiments of the utility model Figure 4 The outer wall left side of the connecting rod 1 is rotationally connected with a support plate 9, the outer wall right side of the rotating shaft one 2 is rotationally connected with a shell one 3 near the edge, the right side of the shell one 3 is rotationally connected with the outer wall left side of the rotating shaft two 4, the bottom of the shell two 5 is attached to the top of the shell one 3, and the drawing equipment 7 is designed in an elongated shape.
[0030] Specifically, the support plate 9 provides stable support and allows the connecting rod 1 to rotate flexibly, which is connected to the shell 3, which is protective and structural, providing support for the rotating shaft 2 and ensuring the overall stability and durability of the mechanical structure, and the bottom of the shell 5 is tightly attached to the top of the shell 3, which enhances the overall stability and ensures accurate alignment and cooperative work.
[0031] Working principle: through the three-phase force balance rod 12 combined with the pressure spring 11, the free hovering in the load range is realized, when the reverse tooth screw rod 10 needs to be adjusted, the direction of the three-phase force balance rod 12 can be changed, so that the force is unbalanced, then the situation of the hanging weight 8 can offset this imbalance, so that the hanging weight 8 can hover, then the reverse tooth screw rod 10 rotates in the positive direction, so that the pressure spring 11 is compressed, then the three-phase force balance rod 12 is unbalanced upwards, and the drawing device 7 rotates in the direction of the arrow, at this time, the corresponding hanging weight can offset this force to realize hovering, at the same time, the reverse tooth screw rod 10 rotates in the opposite direction, so that the pressure spring 11 is compressed, the three-phase force balance rod 12 is unbalanced downwards, and the drawing device 7 rotates in the opposite direction of the arrow, and the weight of the hanging device is reduced to achieve force balance, realize the hanging and hovering function in different weight range, so the automatic hovering rocker arm of the load range can be adjusted, and the actual demand of random hovering in the medical environment is solved.
[0032] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.
Claims
1. A medical rocker arm with automatic hovering function, comprising a connecting rod (1), characterized in that: The top of the connecting rod (1) is rotatably connected to a rotating shaft one (2), and the right side of the rotating shaft one (2) is rotatably connected to a reverse thread screw (10). A pressure spring (11) is provided on the right side of the outer wall of the reverse thread screw (10). A three-phase force balance bar (12) is rotatably connected to the right end of the pressure spring (11). A rotating shaft two (4) is rotatably connected to the top right side of the three-phase force balance bar (12). A housing two (5) is rotatably connected to the right side of the outer wall of the rotating shaft two (4). A rotating shaft three (6) is rotatably connected to the right side of the outer wall of the housing two (5). An imaging device (7) is fixedly connected to the right side of the outer wall of the rotating shaft three (6).
2. A medical rocker arm with automatic hovering function according to claim 1, characterized in that: The outer left side of the connecting rod (1) is rotatably connected to a support plate (9).
3. A medical rocker arm with automatic hovering function according to claim 2, characterized in that: A load (8) is fixedly connected to the middle of the bottom surface of the support plate (9).
4. A medical rocker arm with automatic hovering function according to claim 1, characterized in that: The outer wall of the rotating shaft (2) is rotatably connected to the outer shell (3) near the edge.
5. A medical rocker arm with automatic hovering function according to claim 4, characterized in that: The right side of the outer shell (3) is rotatably connected to the left side of the outer wall of the rotating shaft (4).
6. A medical rocker arm with automatic hovering function according to claim 4, characterized in that: The bottom of the second outer shell (5) is attached to the top of the first outer shell (3).
7. A medical rocker arm with automatic hovering function according to claim 1, characterized in that: The imaging device (7) is elongated in shape.