CN111671555A - A device for acetabular surgery and method for obtaining ream angle in acetabular surgery - Google Patents

Abstract

The invention discloses a device for an acetabulum surgery and a method for obtaining a file angle in the acetabulum surgery. The device for acetabular surgery comprises: the acetabulum file comprises an acetabulum file end and a handheld end; an acetabular position locator mounted at the hand-held end; wherein the acetabular rasp is configured to acetabular side rasp a hip joint in the acetabular procedure; the acetabular position locator is configured to detect angular information of an acetabular burr end of an acetabular burr. The device for the acetabular surgery can obtain the relative angle information of the acetabular file end of the acetabular file through the acetabular position locator, so that auxiliary angle information is provided for the surgery, and a doctor can obtain more accurate position information during the surgery.

Description

A device for acetabular surgery and method for obtaining ream angle in acetabular surgery

technical field

The invention relates to the technical field of acetabular surgery, in particular to a device for acetabular surgery and a method for obtaining a ream angle in acetabular surgery.

Background technique

In the prior art, a possible complication after hip replacement is postoperative dislocation. One of the reasons for postoperative dislocation is that the placement position of the prosthesis is different from the ideal placement position.

In actual hip arthroplasty, some operators choose the acetabular side first, and the acetabular side is positioned first; some operators choose the femoral side first, thinking that under the concept of combined anteversion, the adjustable range of the femoral side is limited. Under the principle of priority on the femoral side, it is necessary to place the femoral side prosthesis in place, install a larger femoral head trial mold, perform a combined anteversion test, mark the acetabular cup inclination plane, and place the acetabular reamer in the acetabulum for acetabulum. Side grinding.

In this process, the doctor usually can only perform filing based on experience and judge the position and angle of the file based on experience. Therefore, there may be deviations between the angle judged by experience and the actual angle, resulting in the above-mentioned complications.

SUMMARY OF THE INVENTION

It is an object of the present invention to provide a device for acetabular surgery that overcomes or at least alleviates at least one of the aforementioned drawbacks of the prior art.

One aspect of the present invention provides a device for acetabular surgery, the device for acetabular surgery comprising:

An acetabular reamer, the acetabular reamer comprising an acetabular reamer end and a hand-held end;

An acetabular position locator mounted on the hand-held end; wherein,

The acetabular reamer is configured to acetabularly reamer a hip joint during the acetabular surgery;

The acetabular position locator is configured to detect angular information of the reamer end of the acetabular reamer.

Optionally, the device for acetabular surgery further comprises a mounting bracket, the mounting bracket is mounted on the hand-held end, and the acetabular position locator is detachably mounted on the mounting bracket.

Optionally, the acetabular position locator includes:

a locator shell, the locator shell is mounted on the mounting bracket;

an overall controller, which is installed inside the positioner housing;

an angle sensor mounted inside the positioner housing, the angle sensor being connected to the master controller, the angle sensor being configured to be controlled by the master controller to detect the acetabulum of the acetabular reamer The relative angle information of the reamer end is transmitted to the master controller.

Optionally, the acetabular position locator further comprises: a positioning acquisition button, the positioning acquisition button is provided on the locator housing and is connected with the overall controller, the overall controller is configured to be Control the positioning acquisition button to send a control signal to the angle sensor.

Optionally, the acetabular position locator further comprises a display, the display is arranged on the locator housing and connected with the master controller, and the display is used to display the acetabular reamer transmitted by the master controller angle information of the acetabular rasp end.

Optionally, the acetabular position locator further comprises a sound announcement device, the sound announcement device is installed on the locator shell and connected with the general controller, and the sound announcement device is configured to broadcast through the general controller. The angle information of the reamer end of the acetabular reaper as passed by the controller.

The present application also provides a method for obtaining a ream angle in acetabular surgery, and the method for obtaining a ream angle in acetabular surgery includes:

extending the reamer end of the acetabular reamer in the device for acetabular surgery as described above into the surgical site;

enabling the acetabular position locator to obtain the angle information of the surgical position;

The acetabular reamer is moved according to the user's control, thereby changing the position of the acetabular reamer end, and the angle of the acetabular reamer end is obtained through the acetabular position locator, so that the user can determine that the acetabular reamer end is at the most optimal surgical angle.

Optionally, the method for obtaining the reamer angle during acetabular surgery further comprises displaying the relative angle information of the acetabular reamer tip through a display.

Optionally, the method for obtaining the reamer angle during acetabular surgery further comprises playing the relative angle information of the acetabular reamer end through a sound broadcasting device.

beneficial effect

The device for acetabular surgery of the present invention can obtain the relative angle information of the acetabular reamer end of the acetabular reamer through the acetabular position locator, thereby providing auxiliary angle information for the operation, so that the doctor can obtain more accurate position information during the operation.

Description of drawings

FIG. 1 is a schematic structural diagram of a device for acetabular surgery according to a first embodiment of the present invention.

FIG. 2 is a schematic flowchart of a method for obtaining a middle ream angle for acetabular surgery according to the first embodiment of the present invention.

Reference number:

Acetabular ream 1 , hand-held end 12 , acetabular position locator 2 , mounting bracket 3 , locator housing 21 , display 4 .

Detailed ways

In order to make the implementation purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements or elements having the same or similar functions. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present application, but should not be construed as a limitation to the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application. The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

In the description of this application, it should be understood that the terms "center", "portrait", "horizontal", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that The device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present application.

FIG. 1 is a schematic structural diagram of a device for acetabular surgery according to a first embodiment of the present invention.

The device for acetabular surgery as shown in FIG. 1 includes an acetabular reamer 1 and an acetabular position locator 2. The acetabular reamer 1 includes an acetabular reamer end and a hand-held end 12; the acetabular position locator 2 is installed on the hand-held end 12; Among them, the acetabular reamer 1 is configured to perform acetabular side reaming of the hip joint during acetabular surgery; the acetabular position locator 2 is configured to detect the angle information of the acetabular reamer end of the acetabular reamer.

It can be understood that, in this embodiment, the angle information positioned by the acetabular position locator is the angle information relative to the horizontal plane.

In one embodiment, the acetabular position locator includes an angle sensor. The chip of the angle sensor adopts MPU9250. MPU9250 is a multi-axis chipset module, which consists of a three-axis gyroscope, a three-axis accelerometer and a three-axis magnetometer. By obtaining its data, the three-axis angle output is solved by the Kalman filter fusion algorithm.

(3) Install the angle sensor horizontally on the action rod as shown in Figure 1.

The device for acetabular surgery of the present invention can obtain the relative angle information of the acetabular reamer end of the acetabular reamer through the acetabular position locator, thereby providing auxiliary angle information for the operation, so that the doctor can obtain more accurate position information during the operation.

In this embodiment, the device for acetabular surgery further includes a mounting bracket, the mounting bracket is mounted on the hand-held end, and the acetabular position locator is detachably mounted on the mounting bracket.

The detachable way can facilitate the maintenance and replacement of the acetabular position locator.

In this embodiment, the acetabular position locator includes a locator housing, a total controller and an angle sensor, the locator housing is mounted on the mounting bracket; the total controller is installed inside the locator housing; the angle sensor is installed inside the locator housing the angle sensor is connected with the master controller, and the angle sensor is configured to be controlled by the master controller so as to detect the angle information of the reamer end of the acetabular reamer and transmit the acquired angle information of the reamer end of the acetabular reamer to the master controller controller.

In this embodiment, the overall controller adopts STM32, and uses the IIC to communicate with the angle sensor to read the angle data.

In this embodiment, the acetabular position locator further comprises: a positioning acquisition button, the positioning acquisition button is provided on the locator housing and is connected with a general controller, and the general controller is configured to be controlled by the positioning acquisition button Thus, a control signal is sent to the angle sensor, and the control information can control the angle sensor to transmit the current angle to the general controller, and the general controller records the angle.

In this embodiment, the acetabular position locator further includes a display, the display is arranged on the locator housing and connected with the master controller, and the display is used to display the acetabular ream transmitted by the master controller. Information about the relative angle of the file end.

In this embodiment, the display includes an OLED, and the master controller uploads it to the OLED through SPI for real-time angle display. Obtain the angle value through the positioning acquisition button, and display this value on the OLED. This value is not updated with the change of the angle, and will remain unchanged until the next time the positioning acquisition button is used or the power is reset to zero. The whole system uses 3.3V power supply , provided by the power supply and voltage regulator circuit.

Through the display, the user can directly view the angle situation, which is convenient for the user to use.

In this embodiment, the acetabular position locator further comprises a sound announcement device, the sound announcement device is installed on the locator housing and connected with the general controller, and the sound announcement device is configured to Broadcasts the angle information of the reamer end of the acetabular reaper transmitted by the master controller.

The present application also provides a method for obtaining a ream angle in acetabular surgery, and the method for obtaining a ream angle in acetabular surgery includes:

extending the reamer end of the acetabular reamer in the device for acetabular surgery as described above into the surgical site;

enabling the acetabular position locator to obtain the angle information of the surgical position;

The acetabular reamer is moved according to the user's control, thereby changing the position of the acetabular reamer end, and the angle of the acetabular reamer end is obtained through the acetabular position locator, so that the user can determine that the acetabular reamer end is at the most optimal surgical angle.

It can be understood that the surgical location may be determined according to the user's preoperative analysis, or may be a specific location conventionally established for this type of surgery.

The optimal operative angle refers to the reaming position of the acetabular reamer determined by the user in the preoperative analysis during the operation, and the position is determined preoperatively by the combined anteversion angle of the patient by existing methods.

Step 4: the method for obtaining the reamer angle during acetabular surgery further includes displaying the relative angle information of the acetabular reamer end through a display.

Step 5: the method for obtaining the reamer angle during acetabular surgery further includes playing the angle information of the acetabular reamer end through a sound broadcasting device.

Although the present invention has been described in detail above with general description and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made on the basis of the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention fall within the scope of the claimed protection of the present invention.

Claims (9)

1. An acetabular surgical device, comprising:

the acetabulum file (1), the acetabulum file (1) comprises an acetabulum file end and a handheld end (12);

an acetabular position locator (2), the acetabular position locator (2) being mounted to the hand-held end (12); wherein,

the acetabular rasp (1) is configured for acetabular lateral rasping of a hip joint in the acetabular surgery;

the acetabular position locator (2) is configured to detect angular information of an acetabular burr end of an acetabular burr.

2. The acetabular surgical device according to claim 1, further comprising a mounting bracket (3), the mounting bracket (3) being mounted to the hand-held end (12), the acetabular position locator (2) being removably mounted to the mounting bracket (3).

3. The acetabular surgical device of claim 2, wherein the acetabular position locator comprises:

a locator housing (21), the locator housing (21) being mounted on the mounting bracket (3);

the master controller is arranged in the positioner shell;

the angle sensor is installed inside the positioner shell and connected with the master controller, and the angle sensor is configured to be controlled by the master controller so as to detect angle information of the acetabular file end of the acetabular file and transmit the acquired angle information of the acetabular file end of the acetabular file to the master controller.

4. The acetabular surgical device of claim 3, wherein the acetabular position locator further comprises: and the positioning acquisition button is arranged on the positioner shell and is connected with the master controller, and the master controller is controlled by the positioning acquisition button so as to send a control signal to the angle sensor.

5. The acetabular surgical device according to claim 4, wherein the acetabular position locator further comprises a display (4), the display (4) is disposed on the locator housing (21) and connected with the general controller, and the display (4) is used for displaying the angle information of the acetabular burr end of the acetabular burr transmitted by the general controller.

6. The acetabular surgical device of claim 5, wherein the acetabular position locator further comprises a voice announcement device mounted to the locator housing and connected to the overall controller, the voice announcement device configured to announce angular information of the acetabular burr end of the acetabular burr as communicated through the overall controller.

7. An acetabular surgical file angle acquisition method, comprising:

extending an acetabular rasp end of an acetabular rasp in an acetabular surgical device according to any one of claims 1 to 6 into a surgical site;

causing the acetabular position locator to acquire angular information of a surgical site;

the acetabular file is moved according to the control of a user, so that the position of the acetabular file end is changed, and the angle of the acetabular file end is obtained through the acetabular position locator, so that the user can determine that the acetabular file end is located at the optimal surgical angle.

8. The method of claim 7, further comprising displaying the relative angle information of the acetabular reamer tip via a display.

9. The method of claim 8, further comprising playing the angular information of the acetabular reamer tip via a voice broadcast device.

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