Screw implanting sleeve for locking steel plate in minimally invasive surgery of traumatic orthopedics department

Abstract

The screw implanting sleeve for locking the steel plate in the minimally invasive surgery of the traumatic orthopedics department comprises a positioning seat, LED illuminating lamps are evenly and fixedly installed on the periphery of the inner wall of the bottom of the positioning seat, the inner wall of the positioning seat is rotationally connected with a driving shaft through a bearing, and the inner wall of the bottom of the driving shaft is connected with a sleeve in a magnetic attraction mode. A hand wheel is fixedly installed on the outer wall of the top end of the driving shaft, a pointer is fixedly installed on the outer wall of the driving shaft, and angle scale marks are fixedly installed on the outer wall of the top of the positioning seat. The position of the sleeve is accurately positioned, so that the sleeve is prevented from deviating in the rotating process, the screw mounting precision is improved, meanwhile, the angle scale marks are arranged at the top of the positioning seat to be matched with the pointer for use, an operator can conveniently check the rotating angle of the sleeve, and the screw mounting precision is improved.

Description

Technical Field

[0001] The utility model relates to a medical device, in particular to a screw implanting sleeve for locking a steel plate in minimally invasive orthopedic surgery. Background Art

[0002] In minimally invasive orthopedic surgery, screws are generally required to fix the steel plate to the patient's bone to facilitate the positioning of the bone. When installing the screw, a medical-specific screw implantation sleeve is generally required. The existing screw implantation sleeve is similar in structure to the sleeve used in ordinary civilian or industrial applications. When the sleeve is rotated, it is inconvenient to locate the position of the sleeve. When the sleeve is rotated to implant the screw, there is a lack of a structure to position the sleeve, which is prone to offset, resulting in low screw installation accuracy. This requires high operating skills from medical staff and is inconvenient to use. Summary of the invention

[0003] The utility model aims to provide a screw implant sleeve for locking a steel plate in minimally invasive orthopedic surgery to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A screw implant sleeve for locking a steel plate in minimally invasive orthopedic surgery comprises a positioning seat, LED lighting lamps are evenly fixedly mounted around the inner wall at the bottom of the positioning seat, the inner wall of the positioning seat is rotatably connected to a drive shaft via a bearing, the inner wall at the bottom of the drive shaft is magnetically connected to a sleeve, a hand wheel is fixedly mounted on the outer wall at the top end of the drive shaft, a pointer is fixedly mounted on the outer wall of the drive shaft, and angle scale lines are fixedly mounted on the outer wall at the top of the positioning seat.

[0006] In a preferred embodiment of the present utility model, a finger groove is provided on the side wall of the positioning seat, two of the finger grooves are symmetrically arranged, and the finger grooves are arranged in a semicircular shape. The lampshade is fixedly mounted on the outer wall of the bottom of the positioning seat.

[0007] In a preferred embodiment of the utility model, the lampshade is used to protect the LED lighting lamp, the top outer wall of the positioning seat is fixedly installed with an upper cover plate by screws, the top outer wall of the upper cover plate is fixedly installed with a switch, and the switch is used to control the LED lighting lamp to turn on and off.

[0008] In a preferred embodiment of the present utility model, a slot is provided on the inner wall at the bottom of the drive shaft, the slot is configured in a hexagonal column shape, and a pin is fixedly connected to the outer wall at the top of the sleeve.

[0009] In a preferred embodiment of the present invention, the latch is configured in a hexagonal prism shape, and a magnetic attraction plate is evenly fixedly mounted on an outer wall of the latch.

[0010] In a preferred embodiment of the present utility model, the magnetic attraction plate is used to cooperate with the inner wall of the slot for magnetic connection, the bottom end of the sleeve is made of titanium alloy, and the sleeve is a replacement structure.

[0011] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

[0012] 1. By setting the positioning seat, it is convenient for operators to install the locking steel plate in minimally invasive orthopedic surgery. The position of the sleeve can be accurately positioned by holding the positioning seat, thereby preventing the sleeve from shifting during rotation and improving the accuracy of installing the screw. At the same time, an angle scale line is set on the top of the positioning seat to cooperate with the pointer, which is convenient for operators to check the angle of the rotating sleeve and improve the accuracy of installing the screw;

[0013] 2. By arranging an LED lighting lamp on the bottom outer wall of the positioning seat, the lighting effect can be improved during the operation, which facilitates the operator to implant the screw in a bright environment, thereby improving work convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0015] Figure 1 It is a schematic diagram of the main structure of a screw implanted into a sleeve for locking a steel plate in minimally invasive orthopedic surgery;

[0016] Figure 2 A schematic diagram of the structure when a screw for locking a steel plate is implanted into a sleeve in minimally invasive orthopedic surgery, viewed from above;

[0017] Figure 3 A schematic diagram of the exploded structure of a screw for locking a steel plate implanted in a sleeve in minimally invasive orthopedic surgery;

[0018] Figure 4 It is a schematic diagram of a top view of a positioning seat for a locking plate screw implanted in a sleeve in minimally invasive orthopedic surgery;

[0019] Figure 5 It is a schematic diagram of the structure of a positioning seat implanted in a sleeve for locking a steel plate in minimally invasive orthopedic surgery, viewed from above;

[0020] Figure 6 This is a schematic diagram of the pointer installation structure for implanting a screw into a sleeve for locking a steel plate in minimally invasive orthopedic surgery.

[0021] In the figure: a positioning seat 100, a finger groove 110, an upper cover 120, a switch 121, an angle scale line 122, an LED lighting lamp 130, a lampshade 140, a driving shaft 200, a pointer 210, a hand wheel 220, a slot 230, a sleeve 300, a latch 310, and a magnetic plate 320. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] Example 1: Figure 1-3 and Figure 6 , including a positioning seat 100, LED lighting lamps 130 are evenly fixedly installed around the inner wall at the bottom of the positioning seat 100, the inner wall of the positioning seat 100 is rotatably connected to the driving shaft 200 through a bearing, the inner wall at the bottom of the driving shaft 200 is magnetically connected to the sleeve 300, the hand wheel 220 is fixedly installed on the outer wall of the top of the driving shaft 200, the pointer 210 is fixedly installed on the outer wall of the driving shaft 200, and the angle scale line 122 is fixedly installed on the outer wall of the top of the positioning seat 100.

[0024] The specific usage scenario of this embodiment is as follows: by setting a positioning seat 100 for the convenience of the operator to hold it, the position of the sleeve can be located when the sleeve 300 is used to implant the screw for locking the steel plate in minimally invasive trauma orthopedic surgery, so as to improve the installation accuracy when implanting the screw; by setting an LED lighting lamp 130 for supplementary lighting of the environment, it is convenient to improve the visual effect of medical staff and improve the convenience of work; by setting the drive shaft 200 with an installation sleeve 300, the sleeve 300 is driven to rotate to complete the installation and removal of the screw; by setting a handwheel 220 for the convenience of medical staff to hold it in use and improve work efficiency; by setting an angle scale line 122, it is convenient for medical staff to check the angle of the rotating sleeve 300, so as to accurately control the number of rotations of the screw and improve the installation accuracy.

[0025] Example 2: Figure 4-5, including a positioning seat 100, LED lighting lamps 130 are evenly fixedly installed around the inner wall at the bottom of the positioning seat 100, the inner wall of the positioning seat 100 is rotatably connected to the driving shaft 200 through a bearing, the inner wall at the bottom of the driving shaft 200 is magnetically connected to the sleeve 300, the hand wheel 220 is fixedly installed on the outer wall of the top of the driving shaft 200, the pointer 210 is fixedly installed on the outer wall of the driving shaft 200, and the angle scale line 122 is fixedly installed on the top outer wall of the positioning seat 100, the side wall of the positioning seat 100 is provided with a finger groove 110, and the finger groove 110 is symmetrically arranged with two finger grooves 110, and the finger groove 110 is set to be semicircular, and a lampshade 140 is fixedly installed on the outer wall of the bottom of the positioning seat 100, and the lampshade 140 is used to protect the LED lighting lamp 130, and the upper cover 120 is fixedly installed on the outer wall of the top of the positioning seat 100 by screws, and a switch 121 is fixedly installed on the outer wall of the top of the upper cover 120, and the switch 121 is used to control the LED lighting lamp 130 to switch on and off.

[0026] The specific usage scenario of this embodiment is: by setting a finger groove 110 for holding the drive shaft 200, it is convenient for medical staff to hold it, and by setting a lampshade 140 for shielding and protecting the bottom of the LED lighting lamp 130, the lampshade 140 is made of transparent glass. By setting a switch 121 on the top of the upper cover plate 120, it is convenient for medical staff to press the top switch 121 with their fingers after holding the positioning seat 100, which is ergonomic and convenient to control the switch of the LED lighting lamp 130.

[0027] Example 3: Figure 1 and Figure 2 , including a positioning seat 100, LED lighting lamps 130 are evenly fixedly installed around the inner wall at the bottom of the positioning seat 100, the inner wall of the positioning seat 100 is rotatably connected to the driving shaft 200 through a bearing, the inner wall at the bottom of the driving shaft 200 is magnetically connected to the sleeve 300, the hand wheel 220 is fixedly installed on the outer wall of the top of the driving shaft 200, the pointer 210 is fixedly installed on the outer wall of the driving shaft 200, and the angle scale line 122 is fixedly installed on the top outer wall of the positioning seat 100, a slot 230 is opened on the inner wall at the bottom of the driving shaft 200, the slot 230 is set to a hexagonal prism shape, the top outer wall of the sleeve 300 is fixedly connected to the pin 310, the pin 310 is set to a hexagonal prism shape, and the outer wall of the pin 310 is evenly fixedly installed with a magnetic plate 320, the magnetic plate 320 is used to cooperate with the inner wall of the slot 230 for magnetic connection, the bottom end of the sleeve 300 is made of titanium alloy, and the sleeve 300 is a replacement structure.

[0028] The specific usage scenario of this embodiment is as follows: by setting a slot 230 for facilitating the detachable plug-in connection sleeve 300, a suitable sleeve 300 can be selected according to the screw model used to lock the steel plate in minimally invasive trauma orthopedic surgery, so that the positioning seat 100 and the drive shaft 200 can be reused. By setting a pin 310 for facilitating the plug-in connection with the inner wall of the slot 230, by setting a magnetic plate 320, the stability of the sleeve 300 and the bottom of the drive shaft 200 can be improved when they are docked, thereby preventing the sleeve 300 from falling off. By selecting titanium alloy as the material of the bottom of the sleeve 300, magnetism can be prevented during the use of the sleeve 300, thereby avoiding magnetic attraction to the surface of the screw, and nuclear magnetic resonance detection can be performed after the screw is installed, thereby improving the safety of use.

[0029] The working principle of the utility model is: when in use, a technician in this field holds the finger groove 110 on the outer wall of the positioning seat 100 to pick up the positioning seat 100, then selects a sleeve 300 of a suitable size, and plugs the pin 310 on the top of the sleeve 300 into the slot 230 at the bottom of the drive shaft 200 for connection, then presses the switch 121 on the top of the upper cover 120 to light up the LED lighting 130, and then uses the sleeve 300 to install the screws for locking the steel plate in minimally invasive orthopedic surgery.

[0030] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A screw implant sleeve for locking a steel plate in minimally invasive orthopedic surgery, comprising a positioning seat (100), characterized in that: LED lighting lamps (130) are evenly fixedly mounted on the inner wall at the bottom of the positioning seat (100); the inner wall of the positioning seat (100) is rotatably connected to the drive shaft (200) via a bearing; the inner wall at the bottom of the drive shaft (200) is magnetically connected to a sleeve (300); a hand wheel (220) is fixedly mounted on the outer wall at the top of the drive shaft (200); a pointer (210) is fixedly mounted on the outer wall of the drive shaft (200); and an angle scale line (122) is fixedly mounted on the outer wall at the top of the positioning seat (100).

2. The screw implant sleeve for locking a steel plate in minimally invasive orthopedic surgery according to claim 1, characterized in that: The side wall of the positioning seat (100) is provided with a finger groove (110), two of the finger grooves (110) are symmetrically arranged, and the finger grooves (110) are arranged in a semicircular shape. The outer wall of the bottom of the positioning seat (100) is fixedly mounted with a lampshade (140).

3. The screw implant sleeve for locking a steel plate in minimally invasive orthopedic surgery according to claim 2, characterized in that: The lampshade (140) is used to protect the LED lighting lamp (130); the top outer wall of the positioning seat (100) is fixedly mounted with an upper cover plate (120) by means of screws; the top outer wall of the upper cover plate (120) is fixedly mounted with a switch (121); the switch (121) is used to control the LED lighting lamp (130) to turn on and off.

4. The screw implant sleeve for locking a steel plate in minimally invasive orthopedic surgery according to claim 1, characterized in that: A slot (230) is provided on the inner wall at the bottom of the driving shaft (200), and the slot (230) is configured in a hexagonal column shape. The outer wall at the top of the sleeve (300) is fixedly connected to a latch pin (310).

5. The screw implant sleeve for locking a steel plate in minimally invasive orthopedic surgery according to claim 4, characterized in that: The latch (310) is configured in a hexagonal prism shape, and the magnetic attraction plate (320) is evenly fixedly mounted on the outer wall of the latch (310).

6. The screw implant sleeve for locking a steel plate in minimally invasive orthopedic surgery according to claim 5, characterized in that: The magnetic attraction plate (320) is used to cooperate with the inner wall of the slot (230) for magnetic connection. The bottom end of the sleeve (300) is made of titanium alloy. The sleeve (300) is a replacement structure.

Images