Integrated navigation surgical power cutter and surgical navigation system

Abstract

The utility model relates to the technical field of surgical tools, and discloses an integrated navigation surgical power cutter and a surgical navigation system.The surgical power cutter comprises a power cutter body and a navigation support which are integrated, and the navigation support is provided with three or more positioning identification pieces; the power cutter body comprises a power assembly, a transmission assembly and a cutter front end, a motor is arranged in the power assembly, a cable is electrically connected to the motor, a cable connector is arranged at the end, away from the motor, of the cable, and a storage chip is electrically connected into the cable connector. The storage chip records space coordinate information of each positioning identification piece and the front end of the cutter. According to the utility model, calibration can be completed during production and delivery, calibration parameters are recorded in the storage chip, each operation power cutter can be independently calibrated, calibration is not needed in the operation use process, the use is simple and convenient, data are more accurate, and the operation preparation time is shortened.

Description

Technical Field

[0001] This utility model relates to the field of surgical tool technology, and in particular to an integrated navigation surgical power tool and surgical navigation system. Background Technology

[0002] In orthopedic surgery, medical personnel frequently use powered surgical instruments such as planers, drills, grinders, and saw blades to treat lesions in the bone tissue. These powered surgical instruments generally consist of a power unit, a transmission unit, and a tool handling end. During surgery, the power unit provides power, which is transmitted to the tool handling end via the transmission unit, allowing the tool to treat the lesion. To ensure accurate treatment placement, precise spatial coordinates of the instrument tip and the lesion site must be obtained in real time during the surgical procedure.

[0003] With the advancement of technology, surgical navigation systems are now being used to assist in orthopedic surgery. Surgical navigation combines modern imaging technology, computer technology, and spatial positioning technology to track the position of surgical instruments and the patient's anatomical structures in real time during surgery and display them on a computer screen, providing doctors with intuitive and accurate surgical information to assist them in performing precise surgical operations.

[0004] Before surgery, surgical navigation requires the creation of a three-dimensional digital model of the surgical instrument. This model creation necessitates calibration using specialized calibration rods, plates, and other registration tools. Currently, the surgical instrument and navigation components are typically designed as separate units, requiring assembly, calibration, and adjustment on-site during surgery. If repeated calibration fails, the tracking ball must be replaced and recalibrated. This entire process is complex, time-consuming, and inconvenient to use. Utility Model Content

[0005] In view of this, the purpose of this utility model is to provide an integrated navigation surgical power instrument and surgical navigation system, which is calibrated at the time of manufacture and the calibrated parameters are recorded in the storage chip. Each surgical power instrument can be calibrated independently, and no further calibration is required during surgical use. It is simple and convenient to use, and the data is more accurate, shortening the surgical preparation time.

[0006] This utility model solves the above-mentioned technical problems through the following technical means:

[0007] In a first aspect, this utility model discloses an integrated navigation surgical power tool, including a storage chip, an integrated power tool body and a navigation bracket. The navigation bracket is provided with ≥3 positioning markers, which can reflect light or actively emit infrared light. The power tool body includes a tool tip, and the storage chip records the spatial coordinate information of each positioning marker and the tool tip.

[0008] Furthermore, the powered cutting tool body also includes a power assembly and a transmission assembly. The power assembly houses a motor, which is electrically connected to a cable. A cable connector is located at the end of the cable furthest from the motor, and the storage chip is electrically connected within the cable connector. In this technical solution, by placing the storage chip within the cable connector, medical personnel can connect the cable connector to an external host computer during surgery. The external host computer can then read the calibration information within the storage chip and retrieve the three-dimensional digital model of the surgical cutting tool, making the process more convenient. Alternatively, the storage chip can be placed separately or integrated into the handle of the cutting tool, both achieving the desired effect.

[0009] Furthermore, the cutting tool tip includes one of the following: a cylindrical cutting head, a ball-shaped cutting head, a ring saw blade, a straight saw blade, or a planing cutting head. The cutting tool tip, having a cylindrical cutting head, a ball-shaped cutting head, a ring saw blade, a straight saw blade, or a planing cutting head, allows for the selection of an appropriate cutting head depending on the specific condition.

[0010] Furthermore, the storage chip also records the shape information of the powered cutting tool body. The shape information of the powered cutting tool body is recorded and read simultaneously, facilitating surgery by medical personnel.

[0011] Furthermore, the positioning markers include one of the following: a retroreflective ball, a retroreflective sticker, and an LED bead that actively emits infrared light. These positioning markers can either reflect light or actively emit infrared light, and can all be tracked by an infrared binocular camera, allowing for the creation of a three-dimensional digital model of the surgical tool.

[0012] Furthermore, the number of positioning markers is three or four. Using three or four positioning markers can reduce costs and the risk of obstruction while ensuring accuracy and meeting tracking requirements.

[0013] Furthermore, a connecting rod is provided on the navigation bracket, and the power assembly includes a housing. The end of the connecting rod away from the navigation bracket is fixedly connected to the housing. The connecting rod provides more space between the navigation bracket and the navigation blade body, facilitating operation by medical personnel.

[0014] Furthermore, the navigation bracket includes a number of support rods equal to the number of positioning markers, and the positioning markers are detachably fixed to the ends of the support rods.

[0015] Furthermore, an arc-shaped reinforcing rod is provided between two adjacent support rods. The arc-shaped reinforcing rod can improve the stability of the navigation bracket.

[0016] Secondly, this utility model also discloses a surgical navigation system, including the aforementioned surgical power blade and an infrared binocular camera, wherein the infrared binocular camera is used to track the spatial position of a positioning marker on the surgical power blade.

[0017] The beneficial effects of this utility model are:

[0018] 1. During the production of this utility model, the power blade body and navigation bracket are fixed together as one unit via connecting rods. Calibration is completed at the factory before shipment. Information such as the spatial coordinates of each positioning marker, the front end of the blade, and the shape of the power blade body are stored in a memory chip within the cable connector. Each navigation-guided power blade has unique calibration information. During surgery, medical personnel connect the cable connector to an external host unit, which can then read the calibration information from the memory chip to retrieve the three-dimensional digital model of the power blade. This eliminates the need for on-site calibration, simplifying and shortening surgical preparation time. Furthermore, the calibration data, performed by professionals at the factory, is more accurate than hasty on-site calibration.

[0019] 2. The navigation-guided surgical instrument of this utility model corresponds to a storage chip. For high-value surgical instruments, they can be disinfected and reused. For low-cost surgical instruments, they can be discarded by medical staff after one-time use without further disinfection, which reduces the workload of hospitals and avoids cross-infection that may be caused by incomplete disinfection.

[0020] 3. Since the navigation surgical power tool of this utility model has been calibrated with spatial information during production, there is no need to purchase calibration rods, calibration plates and other registration tools when purchasing navigation surgical power tools, which can save material procurement costs. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of an integrated navigation-guided surgical power tool according to Embodiment 1 of this utility model. Figure 1 ;

[0022] Figure 2 This is a schematic diagram of the structure of an integrated navigation-guided surgical power tool according to Embodiment 1 of this utility model. Figure 2 ;

[0023] Figure 3This is a schematic diagram of the structure of an integrated navigation surgical power tool according to Embodiment 2 of this utility model;

[0024] Figure 4 This is a schematic diagram of the structure of an integrated navigation-controlled surgical tool according to Embodiment 3 of this utility model;

[0025] Figure 5 This is a schematic diagram of the cutting tool with a cylindrical cutting head at the front end in this utility model;

[0026] Figure 6 This is a schematic diagram of the cutting tool with a ring-shaped saw blade at the front end in this utility model;

[0027] Figure 7 This is a schematic diagram of the cutting tool with a straight saw blade at the front end in this utility model;

[0028] Figure 8 This is a schematic diagram of the cutting tool with a spherical tip in this utility model;

[0029] Figure 9 This is a schematic diagram of the cutting tool with a planing head at the front end in this utility model.

[0030] The components include: a power tool body 1, a power assembly 101, a transmission assembly 102, a tool tip 103, a cable 104, a cable connector 105, a storage chip 106, a navigation bracket 2, a positioning marker 201, a support rod 202, an arc-shaped reinforcing rod 203, a connecting rod 3, and an infrared binocular camera 4. Detailed Implementation

[0031] The present invention will now be described in detail with reference to the accompanying drawings:

[0032] Example 1

[0033] This embodiment describes an integrated navigation-guided powered surgical instrument, such as... Figure 1 and Figure 2 As shown, the device includes a powered cutting tool body 1 and a navigation bracket 2. A positioning marker 201 is detachably mounted on the navigation bracket 2. The positioning marker 201 can be one of the following: a retroreflective ball, a retroreflective sticker, or an LED bead that actively emits infrared light. In this embodiment, a retroreflective ball is shown. To reduce costs and the risk of obstruction, while ensuring accuracy and meeting tracking requirements, this embodiment uses four positioning markers 201. It should be noted that in actual use, the number of positioning markers 201 can be three or more, depending on the type of surgical procedure, instrument design, and system performance. The final number can be clinically validated to ensure a balance between accuracy and practicality.

[0034] The powered tool body 1 includes a power assembly 101, a transmission assembly 102, and a tool tip 103. A connecting rod 3 is fixed on the navigation bracket 2. The power assembly 101 includes a housing, and the lower end of the connecting rod 3 is fixedly connected to the housing. A motor is installed inside the power assembly 101, and a cable 104 is electrically connected to the motor. A cable connector 105 is provided at the end of the cable 104 away from the motor. A storage chip 106 is electrically connected inside the cable connector 105. The storage chip 106 records the spatial coordinate information of each positioning marker 201, the tool tip 103, and the shape information of the powered tool body 1. It should be noted that the powered tool body 1 in this application uses existing powered tools and is not the main innovation of this application. The specific structure of the powered tool body 1 will not be described in detail in this application.

[0035] Depending on the specific condition, such as Figures 5-9 As shown, the cutting edge 103 can be one of the following: a cylindrical cutting edge, a ball-shaped cutting edge, a ring saw blade, a slotted saw blade, or a planing cutting edge. The navigation bracket 2 includes a number of support rods 202 equal to the number of positioning markers 201, with the positioning markers 201 detachably fixed to the ends of the support rods 202. To improve stability, an arc-shaped reinforcing rod is provided between two adjacent support rods 202. The arc-shaped reinforcing rod enhances the stability of the navigation bracket 2.

[0036] In this embodiment, the surgical power blade is manufactured by fixing the power blade body 1 and the navigation bracket 2 together via the connecting rod 3. Calibration is completed at the factory before shipment. The spatial coordinates of each positioning marker 201, the blade tip 103, and the shape of the power blade body 1 are stored in the storage chip 106 within the cable connector 105. Each navigation surgical power blade has unique calibration information. During surgery, medical personnel connect the cable connector 105 to an external host computer, which can then read the calibration information from the storage chip 106 to retrieve the three-dimensional digital model of the surgical power blade. This eliminates the need for on-site calibration, simplifying and shortening surgical preparation time. Furthermore, the calibration data, performed by professionals at the manufacturer, is more accurate than hasty on-site calibration.

[0037] Example 2

[0038] Compared with Example 1, this embodiment is as follows: Figure 3 As shown, the only difference is that the positioning marker 201 in this embodiment is a sticker with retroreflective function.

[0039] Example 3

[0040] Compared with Embodiment 1, the only difference in this embodiment is that the positioning marker 201 in this embodiment is an LED light bead that actively emits infrared light (not shown separately in the accompanying drawings).

[0041] Example 4

[0042] This embodiment is a surgical navigation system, such as Figure 4 As shown, the device includes the surgical power blade of Embodiment 1 and an infrared binocular camera 4, wherein the infrared binocular camera 4 is used to track the spatial position of the positioning marker 201 on the surgical power blade.

[0043] The above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model. Technologies, shapes, and structural parts not described in detail in this utility model are all known technologies.

Claims

1. An integrated navigation-guided surgical instrument, characterized in that: The device includes a storage chip, an integrated power tool body, and a navigation bracket. The navigation bracket is equipped with ≥3 positioning markers, which can reflect light or actively emit infrared light. The power tool body includes a tool tip, and the storage chip records the spatial coordinate information of each positioning marker and the tool tip.

2. The integrated navigation-guided surgical instrument according to claim 1, characterized in that: The power tool body also includes a power component and a transmission component. The power component contains a motor, and the motor is electrically connected to a cable. The end of the cable away from the motor is provided with a cable connector, and the storage chip is electrically connected to the cable connector.

3. The integrated navigation-guided surgical instrument according to claim 1, characterized in that: The cutting tool tip includes one of the following: cylindrical cutting head, spherical cutting head, ring saw blade, straight saw blade, and planing cutting head.

4. The integrated navigation-guided surgical instrument according to claim 1, characterized in that: The storage chip also records the shape information of the power cutting tool body.

5. The integrated navigation-guided surgical instrument according to claim 1, characterized in that: The positioning marker includes one of the following: a retroreflective ball, a retroreflective sticker, and an LED bead that actively emits infrared light.

6. The integrated navigation-guided surgical instrument according to claim 1, characterized in that: The number of positioning markers is 3 or 4.

7. An integrated navigation-guided surgical instrument according to any one of claims 1-6, characterized in that: The navigation bracket is provided with a connecting rod, and the power assembly includes a housing. The end of the connecting rod away from the navigation bracket is fixedly connected to the housing.

8. The integrated navigation-guided surgical instrument according to claim 7, characterized in that: The navigation bracket includes a number of support rods equal to the number of positioning markers, and the positioning markers are detachably fixed to the ends of the support rods.

9. The integrated navigation-guided surgical instrument according to claim 8, characterized in that: An arc-shaped reinforcing bar is provided between two adjacent support rods.

10. A surgical navigation system, characterized in that: The invention includes a surgical power tool as described in any one of claims 1-9 and an infrared binocular camera, wherein the infrared binocular camera is used to track the spatial position of a positioning marker on the surgical power tool.

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