CN216455867U - A fixed positioning device in spinal surgery - Google Patents

Abstract

The utility model provides a fixed positioning device among spinal surgery, including the bed board, bed board side fixed mounting has the motor backup pad, fixed surface installs servo motor under the motor backup pad, and servo motor output fixed mounting has two-way lead screw, servo motor's one end rotation of keeping away from by two-way lead screw is connected on the bed board, threaded connection has two lead screw swivel nut, two on the two-way lead screw the rotatory moving direction of lead screw swivel nut is opposite, every the equal fixedly connected with inner baffle in lead screw swivel nut top, two inner baffle sliding connection is on the bed board, two the moving direction of inner baffle is opposite, it is provided with two spacing subassemblies to go back the symmetry on the bed board, the supported hole has been seted up on the bed board, bed board lower surface central symmetry is provided with a plurality of support frames. The utility model discloses can prevent that patient from appearing the condition of moving in disorder when carrying out the operation and influencing going on of operation.

Description

A fixed positioning device in spinal surgery

technical field

The utility model relates to the technical field of positioning devices, in particular to a fixed positioning device in spinal surgery.

Background technique

The spine is one of the most important parts of the human body. It has functions such as supporting the trunk, protecting the internal organs, and performing sports. When there is a problem with the spine, surgery is required. For example, the patent application number CN201921919592.1 proposes a positioning device for spinal surgery. Its structure includes a mounting seat, a support body, a slide rail, an arc scale frame, a first limit post, a second limit post, The third limiting column and the puncture needle, the first limiting column, the second limiting column and the third limiting column of the above-mentioned utility model respectively correspond to the three degrees of freedom of the puncturing needle rod on the cutting slip layer, which can be more Good adaptation According to the patient's body shape, it can keep the puncture point corresponding to the midpoint of the arc, so that the surgical site is always located in the center of the positioning. The puncture needle is guided by infrared rays through the cooperation of the scale of the arc scale frame with the first limit column, the second limit column and the third limit column. During the operation, the puncture needle can accurately pass through the patient's intervertebral body and reach the lesion. , which can effectively improve the accuracy of locating the location of the lesion and reduce the probability of medical risks for patients.

However, in the above technical solution, if the medical staff accidentally collides with the patient during the operation on the patient, the patient's body will be displaced, which will affect the doctor's operation, and may even cause safety problems. Therefore, we A fixed positioning device in spinal surgery is proposed.

Utility model content

The main purpose of the present invention is to provide a fixed positioning device in spinal surgery, which can effectively solve the problems in the background technology.

To achieve the above purpose, the technical scheme adopted by the present utility model is:

A fixed positioning device in spinal surgery, comprising a bed plate, a motor support plate is fixedly installed on the side of the bed plate, a servo motor is fixedly installed on the lower surface of the motor support plate, and a bidirectional screw rod is fixedly installed at an output end of the servo motor. One end of the two-way screw rod away from the servo motor is rotatably connected to the bed, and two screw-screw sleeves are threadedly connected to the two-way screw rod. An inner baffle is fixedly connected to the top of the screw sleeve, and the two inner baffles are slidably connected to the bed board, and the moving directions of the two inner baffles are opposite. The bed board is provided with support holes, and the lower surface of the bed board is provided with a plurality of support frames symmetrically in the center.

Preferably, connecting rods are installed on the two screw sleeves, the upper ends of the connecting rods are fixedly connected to the inner baffle, and the upper surface of the bed is provided with perforations matching the connecting rods. Rods slide through perforations provided on the top surface of the bed.

Preferably, the opposite sides of the two inner baffles are connected with an outer baffle, a horizontal first spring is fixedly connected between the outer baffle and the inner baffle, and the outer baffle is close to the inner baffle A top post is installed on one side of the board, and the limiting component is matched and connected with the top post.

Preferably, the upper surface of the bed plate is provided with two first sliding grooves, the two first sliding grooves are respectively distributed on both sides of the perforation, and a first sliding block is slidably connected in the first sliding groove, and the two The first sliding block is symmetrically installed on the lower end of the inner baffle.

Preferably, each of the first sliding blocks is provided with a second sliding groove, a second sliding block is fixedly installed at the lower end of the outer baffle, and the second sliding block is slidably installed inside the second sliding groove.

Preferably, the limit assembly includes a limit plate and a guide plate, two guide grooves are symmetrically opened on the bed plate, the guide plates are slidably connected in the corresponding guide grooves, and the two guide plates face each other. A limit plate is connected to one side of the guide plate, a second spring is connected between the guide plate and the limit plate, and a top column is fixedly connected to the side of each outer baffle close to the guide plate, and the top column is connected to the guide plate. The guide plates can interfere.

Compared with the prior art, the utility model has the following beneficial effects:

(1) Through the rotation of the output end of the servo motor, the two-way screw can be driven to rotate, so that the two screw sleeves can move to the side that is close to each other, so that the two inner baffles can be moved to the side that is close to each other. Both sides of the waist of the patient can be fixed, thereby preventing the patient from tampering during the operation and affecting the operation.

(2) Moving through the top column can drive the guide plate to move, so that the limit plate can move forward, so that the patient's head can be fixed, and because the second plate passes between the limit plate and the guide plate. The spring is connected so that the distance between the limit plate and the guide plate can be adjusted movably.

Description of drawings

1 is a schematic diagram of the overall structure of a fixed positioning device in a spinal surgery of the present invention;

2 is a schematic view of the bottom view of a fixed positioning device in a spinal surgery of the present invention;

Fig. 3 is a top-view structural schematic diagram of a fixed positioning device in a spinal surgery of the present invention;

4 is a schematic structural diagram of an inner baffle of a fixed positioning device in a spinal surgery of the present invention;

FIG. 5 is a schematic structural diagram of an outer baffle plate of a fixed positioning device in a spinal surgery operation of the present invention.

In the figure: 1. Support frame; 2. Bed plate; 3. Servo motor; 4. Motor support plate; 5. Outer baffle; 6. First spring; 7. Inner baffle; 8. First chute; 9. perforation; 10, top post; 11, limit component; 1101, guide groove; 1102, limit plate; 1103, second spring; 1104, guide plate; 12, support hole; 13, two-way screw; 14, screw 15. The second sliding block; 16. The first sliding block; 17. The second chute; 18. The connecting rod.

Detailed ways

The technical solutions of the present invention will be further described below with reference to the accompanying drawings and specific embodiments, and the technical solutions of the present invention will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example:

As shown in Figures 1-5, a fixed positioning device in spinal surgery includes a bed plate 2, a motor support plate 4 is fixedly installed on the side of the bed plate 2, a servo motor 3 is fixedly installed on the lower surface of the motor support plate 4, and the servo motor 3 outputs A two-way screw 13 is fixedly installed at the end, and one end of the two-way screw 13 away from the servo motor 3 is rotatably connected to the bed board 2. The two-way screw 13 is threadedly connected with two screw sleeves 14. The direction of rotation and movement is opposite, the inner baffle 7 is fixedly connected above each screw sleeve 14, the two inner baffles 7 are slidably connected to the bed board 2, the moving directions of the two inner baffles 7 are opposite, and the bed board 2 is also connected. Two limit assemblies 11 are symmetrically arranged, and support holes 12 are opened on the bed board 2 .

A plurality of support frames 1 are arranged symmetrically in the center of the lower surface of the bed board 2 . Through the support frame 1, the bed board 2 can be supported, and the patient can breathe smoothly when lying on the bed board 2 through the support hole 12, thereby increasing the comfort of the patient.

Connecting rods 18 are installed on the two screw sleeves 14, and the upper ends of the connecting rods 18 are fixedly connected to the inner baffle 7. The upper surface of the bed board 2 is provided with a through hole 9 that is adapted to the connecting rod 18, and the connecting rod 18 slides through it. The through-holes 9 are arranged on the upper surface of the bed board 2 .

The sides of the two inner baffles 7 away from each other are connected with an outer baffle 5, a horizontal first spring 6 is fixedly connected between the outer baffle 5 and the inner baffle 7, and the outer baffle 5 is close to the inner baffle 7. A top post 10 is installed on one side, and the limiting assembly 11 is matched and connected with the top post 10 .

The upper surface of the bed board 2 is provided with two first sliding grooves 8, the two first sliding grooves 8 are respectively distributed on both sides of the perforation 9, and a first sliding block 16 is slidably connected in the first sliding groove 8. The block 16 is symmetrically installed on the lower end of the inner baffle 7 . By slidably installing the first sliding block 16 inside the first sliding groove 8 , the stability of the inner baffle plate 7 can be ensured.

Each first sliding block 16 is provided with a second sliding groove 17 , a second sliding block 15 is fixedly installed at the lower end of the outer baffle 5 , and the second sliding block 15 is slidably installed inside the second sliding groove 17 . By slidably installing the second sliding block 15 inside the second sliding groove 17 , the stability of the outer baffle 5 can be ensured, and the outer baffle 5 can also move with the first sliding block 16 .

Through the above technical solution, when using, first let the patient lie on the bed board 2, so that the patient's face is arranged inside the support hole 12, and at this time, the patient's arms are placed between the inner baffle 7 and the outer baffle 5. , the elasticity of the first spring 6 can limit the position of the patient's arms. At this time, the rotation of the output end of the servo motor 3 can drive the two-way screw 13 to rotate, so that the two screw sleeves 14 move toward each other. The side that is close to each other moves, and then drives the two inner baffles 7 to move to the side that is close to each other, so that both sides of the patient's waist can be fixed, so as to prevent the patient from tampering during the operation and avoid affecting the patient. the conduct of surgery.

The limit assembly 11 includes a limit plate 1102 and a guide plate 1104. Two guide grooves 1101 are symmetrically opened on the bed plate 2. The guide plates 1104 are slidably connected to the corresponding guide grooves 1101. The opposite sides of the two guide plates 1104 are opposite to each other. Both are connected to the limiting plate 1102, a second spring 1103 is connected between the guide plate 1104 and the limiting plate 1102, and the side of each outer baffle 5 close to the guide plate 1104 is fixedly connected with a top post 10, the top post 10 and the guide The plates 1104 may collide.

Through the above technical solution, when the outer baffle 5 moves, the top column 10 can be driven to move, so that the guide plate 1104 can be driven to move, so that the limit plate 1102 can move forward, and the patient's head can be fixed. And because the limiting plate 1102 and the guide plate 1104 are connected by the second spring 1103 , the limiting plate 1102 can be limited.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. A fixed positioning device in spinal surgery, comprising a bed plate (2), characterized in that: a motor support plate (4) is fixedly installed on the side of the bed plate (2), and the lower surface of the motor support plate (4) is fixed A servo motor (3) is installed, the output end of the servo motor (3) is fixedly installed with a bidirectional screw (13), and one end of the bidirectional screw (13) away from the servo motor (3) is rotatably connected to the bed board (2), The two-way screw (13) is threadedly connected with two screw sleeves (14), the two screw sleeves (14) rotate in opposite directions, and each of the screw sleeves (14) An inner baffle (7) is fixedly connected to the upper part, the two inner baffles (7) are slidably connected to the bed board (2), and the moving directions of the two inner baffles (7) are opposite, and the bed board ( 2) Two limit assemblies (11) are also symmetrically arranged on it, support holes (12) are opened on the bed board (2), and a plurality of support frames (1) are symmetrically arranged on the center of the lower surface of the bed board (2). . 2 . The device for fixing and positioning during spinal surgery according to claim 1 , wherein a connecting rod ( 18 ) is installed on the two screw sockets ( 14 ), and the connecting rod ( 18 ). ) upper ends are fixedly connected with the inner baffle plate (7), the upper surface of the bed plate (2) is provided with a through hole (9) that is adapted to the connecting rod (18), and the connecting rod (18) slides through the through hole ( 9) Set on the upper surface of the bed board (2). 3. The device for fixing and positioning in spinal surgery according to claim 2, characterized in that: the two inner baffles (7) are connected with an outer baffle (5) on the opposite sides of the two inner baffles (7). A horizontal first spring (6) is fixedly connected between the outer baffle (5) and the inner baffle (7), and a top column ( 10), the limiting assembly (11) is connected with the top post (10). 4. A spinal surgery fixing and positioning device according to claim 3, characterized in that: the upper surface of the bed board (2) is provided with two first chutes (8), and the two first chutes ( 8) Distributed on both sides of the through hole (9) respectively, the first sliding groove (8) is slidably connected with a first sliding block (16), and the two first sliding blocks (16) are symmetrically installed on the inner block the lower end of the plate (7). 5 . The device for fixing and positioning during spinal surgery according to claim 4 , wherein each of the first sliding blocks ( 16 ) is provided with a second sliding groove ( 17 ), and the outer block A second sliding block (15) is fixedly installed at the lower end of the plate (5), and the second sliding block (15) is slidably installed inside the second sliding groove (17). 6 . The device for fixing and positioning during spinal surgery according to claim 3 , wherein the limiting assembly ( 11 ) comprises a limiting plate ( 1102 ) and a guide plate ( 1104 ), and the bed plate ( 2 ) ) are symmetrically provided with two guide grooves (1101), the guide plates (1104) are slidably connected in the corresponding guide grooves (1101), and the opposite sides of the two guide plates (1104) are connected to a limited extent A position plate (1102), a second spring (1103) is connected between the guide plate (1104) and the limit plate (1102), and each of the outer baffles (5) is close to the side of the guide plate (1104) Both are fixedly connected with a top post (10), and the top post (10) and the guide plate (1104) can collide.

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