CN-122004999-A - Osteotomy orthopedic operation positioning device based on electromagnetic navigation

Abstract

The invention relates to the field of orthopedic treatment auxiliary equipment, in particular to an osteotomy orthopedic operation positioning device based on electromagnetic navigation, which comprises a bone saw, wherein a multi-angle control component for positioning the cutting angle of the bone saw is arranged in a grab handle of the bone saw, at least four first electromagnetic positioning transmitters, a plurality of electromagnetic positioning receivers are arranged on the peripheral side of a knee joint, the three first electromagnetic positioning transmitters are distributed along the coordinate axis of Cartesian coordinates, the rest one first electromagnetic positioning transmitter is positioned at the origin of the Cartesian coordinates, and the first electromagnetic positioning transmitters and the electromagnetic positioning receivers are electrically connected with a data processing device. And the cutting position of the bone saw is accurately controlled by utilizing an electromagnetic navigation mode, so that the accuracy of the operation is ensured.

Inventors

• YANG HUAIYU
• YANG YIHAN

Assignees

• 辽宁鑫康源微创医疗器械有限公司

Dates

Publication Date

20260512

Application Date

20260325

Claims (9)

1. 1. The utility model provides an osteotomy orthopedic surgery positioner based on electromagnetic navigation, its characterized in that, includes bone saw (7), is used for right the cutting angle of bone saw (7) carries out the multi-angle control part that fixes a position, install four at least first electromagnetic positioning transmitter in the grab handle of bone saw (7), a plurality of electromagnetic positioning receiver distributes in knee joint week side, three first electromagnetic positioning transmitter (701) are along the coordinate axis distribution of cartesian coordinates, remaining one first electromagnetic positioning transmitter (701) are located the origin of cartesian coordinates, first electromagnetic positioning transmitter (701), electromagnetic positioning receiver electricity are connected with data processing apparatus.
2. 2. The osteotomy positioning device based on electromagnetic navigation according to claim 1, wherein the multi-angle control component comprises a bone connecting component, a ball sleeve (1) is slidingly connected to the bone connecting component, a positioning ball (2) is rotationally connected to the ball sleeve (1), a positioning groove (201) is formed in the positioning ball (2), a saw head of the bone saw (7) is inserted into the positioning groove (201), a first locking component is arranged between the positioning ball (2) and the ball sleeve (1), at least four second electromagnetic positioning transmitters (202) are arranged in the positioning ball (2), the three second electromagnetic positioning transmitters (202) are distributed along the coordinate axis of cartesian coordinates, and the rest of the second electromagnetic positioning transmitters (202) are located at the origin of the cartesian coordinates.
3. 3. The osteotomy positioning device based on electromagnetic navigation according to claim 2, wherein the bone connecting component comprises a guide rod (4), a mounting block (3) is fixedly connected to the outer side of the ball sleeve (1), the mounting block (3) is slidably connected to the outer side of the guide rod (4), a second locking screw (301) is in threaded connection with the mounting block (3), the end portion of the second locking screw (301) is abutted to the guide rod (4), bone positioning pieces are rotatably connected to the two ends of the guide rod (4), and the mounting block (3) is horizontally slidably arranged along the guide rod (4).
4. 4. An osteotomy positioning device based on electromagnetic navigation according to claim 2, wherein the first locking means comprise a first locking screw (101) screwed onto the ball sleeve (1), the first locking screw (101) being in abutment with the positioning ball (2) through the ball sleeve (1).
5. 5. The osteotomy positioning device based on electromagnetic navigation according to claim 2, wherein the front and rear sides of the ball sleeve (1) are respectively provided with a yielding port (102).
6. 6. An osteotomy positioning device based on electromagnetic navigation as in claim 3, wherein the bone positioning member comprises a movable connecting rod (5) rotatably connected to two ends of the guide rod (4), one end of the movable connecting rod (5) away from the guide rod (4) is slidably connected with a vertical guide rail (6), the movable connecting rod (5) is vertically slidably arranged along the vertical guide rail (6), and a second locking component is arranged between the movable connecting rod (5) and the vertical guide rail (6).
7. 7. The osteotomy positioning device based on electromagnetic navigation according to claim 6, wherein the second locking component comprises a worm (501) rotatably connected to one side of the movable connecting rod (5), the worm (501) is meshed with a worm wheel (502), the worm wheel (502) is axially connected with a threaded rod (503), the worm wheel (502) and the threaded rod (503) are rotatably connected in the movable connecting rod (5), a locking sleeve (505) is in threaded fit with the outer side of the threaded rod (503), a sliding groove (504) is formed in the movable connecting rod (5), the locking sleeve (505) is axially slidably arranged in the sliding groove (504), and the end portion of the locking sleeve (505) is abutted to the vertical guide rail (6).
8. 8. The osteotomy positioning device based on electromagnetic navigation as in claim 7, wherein the vertical guide rail (6) is provided with a plurality of positioning holes (601).
9. 9. An osteotomy positioning device as in claim 1, wherein the angle control means comprises a robotic arm (8), the bone saw (7) being mounted on a movable end of the robotic arm (8).

Description

Osteotomy orthopedic operation positioning device based on electromagnetic navigation Technical Field The invention relates to the field of orthopedic treatment auxiliary equipment, in particular to an osteotomy orthopedic operation positioning device based on electromagnetic navigation. Background Knee joint diseases are usually treated by knee joint replacement and knee joint osteotomy correction surgery, wherein a part of connecting parts are reserved after bones at the knee joint are cut, and then the angle of the knee joint is adjusted to achieve the purpose of treatment. The accurate positioning is needed to be carried out on the angle cutting depth of the bone in the operation process, deviation of the cutting angle of the bone cannot guarantee joint correction after operation, too much cutting is needed, connection of the bone cannot be guaranteed, fracture displacement is easy to occur, the depth of the cut bone is too small, correction operation cannot be effectively realized, and the existing positioning device can realize positioning, but often needs multiple perspective in the operation process so as to guarantee accuracy of the bone cutting process and indirectly influence the operation treatment process and the treatment effect. Disclosure of Invention The invention aims to provide an osteotomy orthopedic surgery positioning device based on electromagnetic navigation, which solves the problems, and precisely controls the cutting position of a bone saw by utilizing an electromagnetic navigation mode to ensure the surgery accuracy. In order to achieve the above object, the present invention provides the following solutions: The utility model provides an osteotomy orthopedic operation positioner based on electromagnetic navigation, includes the bone saw, is used for right the cutting angle of bone saw carries out the multi-angle control part that fixes a position, install four at least first electromagnetic positioning transmitters in the grab handle of bone saw, a plurality of electromagnetic positioning receiver distributes in knee joint week side, three first electromagnetic positioning transmitter distributes along the coordinate axis of cartesian coordinate, remaining one first electromagnetic positioning transmitter is located the origin of cartesian coordinate, first electromagnetic positioning transmitter, electromagnetic positioning receiver electricity are connected with data processing apparatus. Preferably, the multi-angle control component comprises a bone connecting component, a ball sleeve is slidingly connected to the bone connecting component, a positioning ball is rotationally connected to the inside of the ball sleeve, a positioning groove is formed in the positioning ball, a saw head of the bone saw is inserted into the positioning groove, a first locking component is arranged between the positioning ball and the ball sleeve, at least four second electromagnetic positioning transmitters are arranged in the positioning ball, three second electromagnetic positioning transmitters are distributed along the coordinate axis of Cartesian coordinates, and the rest second electromagnetic positioning transmitters are located at the origin of the Cartesian coordinates. Preferably, the bone connecting component comprises a guide rod, a mounting block is fixedly connected to the outer side of the ball sleeve, the mounting block is slidably connected to the outer side of the guide rod, a second locking screw is connected to the mounting block in a threaded mode, the end portion of the second locking screw is abutted to the guide rod, bone positioning pieces are rotatably connected to the two ends of the guide rod, and the mounting block is arranged along the guide rod in a horizontal sliding mode. Preferably, the first locking component comprises a first locking screw which is connected to the ball sleeve in a threaded mode, and the first locking screw passes through the ball sleeve to be abutted with the positioning ball. Preferably, the front side and the rear side of the ball sleeve are respectively provided with a yielding port. Preferably, the bone locating piece comprises a movable connecting rod rotatably connected with two ends of the guide rod, one end, far away from the guide rod, of the movable connecting rod is slidably connected with a vertical guide rail, the movable connecting rod is vertically slidably arranged along the vertical guide rail, and a second locking part is arranged between the movable connecting rod and the vertical guide rail. Preferably, the second locking part comprises a worm connected to one side of the movable connecting rod in a rotating way, the worm is meshed with a worm wheel, the worm wheel is connected with a threaded rod in an axle mode, the worm wheel and the threaded rod are connected in the movable connecting rod in a rotating way, a locking sleeve is matched with the outer side of the threaded rod in a threaded way, a sliding groove is formed