Arthroscopic surgery auxiliary device
By using a motor-driven ball screw system and an adjustable leg and knee placement structure, the problem of fixing the height and angle of arthroscopic surgery aids has been solved, enabling flexible height and angle adjustment, improving the clarity of the field of vision and the precision of the surgery, and making it suitable for patients and doctors of different body types.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SANYA CENT HOSPITAL (THE THIRD PEOPLES HOSPITAL OF HAINAN PROVINCE)
- Filing Date
- 2025-04-11
- Publication Date
- 2026-04-10
AI Technical Summary
Existing arthroscopic surgical aids have fixed height and angle, which cannot adapt to the different body types and usage scenarios of patients and doctors, affecting the flexibility of the device and the clarity of the field of vision. In addition, patients' knees are not easy to bend, which affects the treatment effect and the judgment of the condition.
Employing a motor-driven ball screw system and an adjustable leg and knee placement structure, combined with components such as limit plates, fixed columns, and movable inserts, it achieves flexible adjustment of height and angle to adapt to different body types and operational needs.
It allows for the appropriate angle of arthroscopy and surgical instruments, providing a clear field of vision and operating space, improving diagnostic accuracy and surgical efficiency, and reducing physician fatigue and patient discomfort.
Smart Images
Figure CN224099627U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field, concretely is a kind of arthroscopic surgery auxiliary device. BACKGROUND
[0002] In modern medical field, arthroscopic surgery as an advanced minimally invasive surgical technique, has been widely applied in the diagnosis and treatment of joint diseases, auxiliary device helps doctor can better positioning and observation sick place, and is widely used in orthopedics.
[0003] The existing arthroscopic surgery auxiliary device is mostly fixed height, but different patients and doctors' body shape and different use scene need different use height, affect the flexibility of device and the definition of field of view, and part of device is fixed use angle, when using, the knee of patient is inconvenient to bend, affect the effect of treatment and the judgment of illness.
[0004] Therefore, we propose a kind of arthroscopic surgery auxiliary device to solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of arthroscopic surgery auxiliary device to solve the problems presented in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of arthroscopic surgery auxiliary device, including device base,
[0007] The top of the device base is provided with a motor, and the output end of the motor is fixed with a ball screw, the surface of the ball screw is provided with a movable shell through thread rotation, and the top of the movable shell is fixed with a leg placement, the two sides of the top of the device base are fixed with a limiting plate, and a fixed column is movably inserted in the limiting plate;
[0008] One side of the leg placement is hinged with a knee placement, and the bottom end of the knee placement is hinged with a connecting rod, the two sides of the connecting rod are provided with a fixed rod, and an arc-shaped slot is formed in the surface of the fixed rod, a movable plug-in column is movably inserted in the arc-shaped slot, and a nut is rotatably sleeved on the surface of the movable plug-in column.
[0009] Preferably, the leg placement and the knee placement are both arranged in an arc shape, and an antiskid pad is arranged on the inner wall of the leg placement and the knee placement to reduce displacement during surgery and improve stability.
[0010] Preferably, rubber pads are fixedly arranged on the two sides of the connecting rod in contact with the arc-shaped slot, and rubber pads are fixedly arranged in the arc-shaped slot, so that the rubber material has good friction and certain elasticity, reduces deviation during use, and improves the reliability of the device.
[0011] Preferably, the fixed rods are symmetrically provided with two groups, and the two groups of fixed rods are fixed on one side of the mobile shell and can move up and down with the movement of the mobile shell, so that the leg placement and the knee placement can move up and down at the same time.
[0012] Preferably, the ball screw is arranged at the top end of the device base through a limiting column, and the ball screw is rotationally arranged at the top end of the device base, limiting the use position of the ball screw and prolonging the service life.
[0013] Preferably, the fixed columns are symmetrically provided with two groups, and the two groups of fixed columns are fixed on the two sides of the mobile shell, reducing the deviation and displacement of the mobile shell during use, and also allowing the mobile shell to rotate with the rotation of the ball screw.
[0014] Preferably, one end of the mobile insertion column movably penetrates the arc-shaped groove and the connecting rod, and the gap between the mobile insertion column and the arc-shaped groove is small, so that the use angle and position of the connecting rod of the knee placement can be more stable, and the shaking during use is reduced.
[0015] The utility model provides a kind of arthroscopic surgery auxiliary device, with the following beneficial effects:
[0016] By the cooperation of the mobile shell, the limiting plate, the ball screw and the fixed column, the purpose of adjusting the use height can be achieved, which can be adjusted flexibly according to the specific needs of the operation, helps to obtain better vision and operation space, and can adapt to different patient body types and different height doctors, so that the arthroscope and surgical instruments can enter the joint cavity at a suitable angle, and the doctor can adjust to the most comfortable height according to his own situation, reducing physical fatigue and muscle tension.
[0017] By the cooperation of the knee placement, the connecting rod, the fixed rod, the mobile insertion column and the nut, the purpose of adapting to the knee bending degree of the patient can be achieved, different knee bending angles will make the structure inside the joint present different shapes and positions, so that the doctor can obtain clearer and more comprehensive internal joint vision, more accurately observe the lesion site, which helps to accurately diagnose the disease, and suitable angle can make surgical instruments more conveniently reach the target position, reduce the difficulty and resistance of instrument operation, improve the accuracy and efficiency of operation, and improve the safety of operation. BRIEF DESCRIPTION OF DRAWINGS:
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0019] Figure 1 It is a structure perspective view schematic diagram of the present application.
[0020] Figure 2 It is a local structure schematic diagram of the present application.
[0021] Figure 3 It is a structure section schematic diagram of the mobile shell of the present application.
[0022] Figure 4 It is a local structure schematic diagram of the present application.
[0023] Figure 5 It is a structure explosion schematic diagram of the present application. Figure 4
[0024] In the figure: 1, device base; 2, motor; 3, mobile shell; 4, leg placement; 5, knee placement; 6, limit plate; 7, connecting rod; 8, fixed rod; 9, ball screw; 10, fixed column; 11, mobile column; 12, arc slot; 13, nut. Specific implementation method:
[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0026] Embodiment one
[0027] As Figures 1 to 3 As shown, the present embodiment proposes an arthroscopic surgery auxiliary device, which comprises a device base 1, a motor 2 installed at the top end of the device base 1, and a ball screw 9 fixed at the output end of the motor 2, a moving shell 3 threadedly sleeved on the surface of the ball screw 9, and a leg placement 4 fixed at the top end of the moving shell 3, limit plates 6 fixed at the two sides of the top end of the device base 1, and fixed columns 10 movably inserted in the limit plates 6; the ball screw 9 is arranged at the top end of the device base 1 through the limit column, and the ball screw 9 is rotationally arranged at the top end of the device base 1; the fixed columns 10 are symmetrically arranged in two groups, and the two groups of fixed columns 10 are respectively fixed at the two sides of the moving shell 3.
[0028] The motor 2 and the ball screw 9 used in the present application are products that can be directly purchased on the market, and their principles and connection modes are all prior art known to those skilled in the art, so they will not be described here.
[0029] In the above embodiment, when in use, the device is placed in a suitable position, and the equipment is started through an external power supply and an external remote control. When the height needs to be adjusted, the motor 2 is started, the output end of the motor 2 drives the ball screw 9 to rotate clockwise or counterclockwise, thereby moving the moving shell 3 upward or downward, driving the two groups of fixed columns 10 to slide in the limit plates 6, and finally moving the moving shell 3 to drive the leg placement 4 to move, and after being moved to a suitable position, the patient places the leg inside the leg placement 4, and then the related surgical operation can be performed.
[0030] Embodiment Two
[0031] As Figure 4 With Figure 5 As shown, based on the same concept as the above embodiment, the present embodiment further proposes that the leg placement 4 is hingedly connected with a knee placement 5 on one side, the bottom end of the knee placement 5 is hingedly connected with a connecting rod 7, the two sides of the connecting rod 7 are provided with fixed rods 8, arc-shaped grooves 12 are formed through the surfaces of the fixed rods 8, movable insertion columns 11 are movably inserted in the arc-shaped grooves 12, and nuts 13 are threadedly sleeved on the surfaces of the movable insertion columns 11; the leg placement 4 and the knee placement 5 are both arranged in an arc shape, and latex pads are laid on the inner walls of the leg placement 4 and the knee placement 5; rubber pads are fixedly laid on the two sides of the connecting rod 7 in contact with the arc-shaped grooves 12, and rubber pads are fixedly laid in the arc-shaped grooves 12; the fixed rods 8 are symmetrically arranged in two groups, and the two groups of fixed rods 8 are respectively fixed at one side of the moving shell 3; one end of the movable insertion column 11 movably penetrates the arc-shaped groove 12 and the connecting rod 7, and the gap between the movable insertion column 11 and the arc-shaped groove 12 is small.
[0032] In the above embodiment, when the use angle of the device needs to be increased, the nut 13 is loosened counterclockwise, the moving column 11 is moved to the moving shell 3, at this time the moving column 11 drives the connecting rod 7 to move in the arc-shaped slot 12 between the two groups of fixed rods 8, the moving of the moving column 11 drives the change of the use angle of the connecting rod 7 and the knee rest 5, the change of the hinge angle of the knee rest 5 and the leg rest 4, and then after moving to the appropriate position, the nut 13 is tightened clockwise again, so that the use angle of the knee rest 5 and the connecting rod 7 is fixed, the patient places the knee and the lower leg in the middle of the knee rest 5, and the thigh on the leg rest 4, when the use angle needs to be reduced, the reverse operation can be performed.
[0033] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;
[0034] Secondly: the utility model discloses the embodiment of the drawings only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;
[0035] Finally: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. An arthroscopic surgery auxiliary device, comprising a device base (1), characterized in that: a motor (2) is installed at the top end of the device base (1), and the output end of the motor (2) is fixed with a ball screw (9), the surface of the ball screw (9) is sleeved with a moving shell (3) through threads, and the top end of the moving shell (3) is fixed with a leg placement (4), both sides of the top end of the device base (1) are fixed with a limiting plate (6), and a fixed column (10) is movably inserted in the limiting plate (6); one side of the leg placement (4) is hinged with a knee placement (5), and the bottom end of the knee placement (5) is hinged with a connecting rod (7), both sides of the connecting rod (7) are provided with a fixed rod (8), and an arc-shaped groove (12) is formed in the surface of the fixed rod (8), a moving plug column (11) is movably inserted in the arc-shaped groove (12), and the surface of the moving plug column (11) is sleeved with a nut (13) through threads.
2. The arthroscopic surgical auxiliary device according to claim 1, characterized in that: The leg placement (4) and the knee placement (5) are both arranged in an arc shape, and the inner walls of the leg placement (4) and the knee placement (5) are paved with latex pads.
3. The arthroscopic surgical auxiliary device according to claim 1, characterized in that: Rubber pads are fixedly paved on both sides of the connecting rod (7) in contact with the arc-shaped groove (12), and rubber pads are fixedly paved in the arc-shaped groove (12).
4. The arthroscopic surgical auxiliary device according to claim 1, characterized in that: The fixed rod (8) is symmetrically provided with two groups, and the two groups of fixed rods (8) are respectively fixed on one side of the moving shell (3).
5. The arthroscopic surgical auxiliary device according to claim 1, characterized in that: The ball screw (9) is arranged at the top end of the device base (1) through a limiting column, and the ball screw (9) is rotatably arranged at the top end of the device base (1).
6. The arthroscopic surgical auxiliary device according to claim 1, characterized in that: The fixed column (10) is symmetrically provided with two groups, and the two groups of fixed columns (10) are respectively fixed on both sides of the moving shell (3).
7. The arthroscopic surgical auxiliary device according to claim 1, characterized in that: One end of the moving plug column (11) movably penetrates the arc-shaped groove (12) and the connecting rod (7), and the gap between the moving plug column (11) and the arc-shaped groove (12) is small.