Biopsy device used in navigation system and biopsy instrument having the same

Abstract

The utility model provides a biopsy device applied to a navigation system and a biopsy instrument having the same. The biopsy device applied to the navigation system includes: a main body structure; a sampling tube structure, the sampling tube structure is installed on the main body structure, and the sampling tube structure has a hollow sampling channel; a cutting structure, the cutting structure is arranged at one end of the sampling tube structure away from the main body structure, so as to cut the tissue to be sampled through the cutting structure; a negative pressure interface, the negative pressure interface is connected to the sampling channel, so as to suck the tissue cut by the cutting structure through the negative pressure interface; a positioning structure, the positioning structure is used to enable an external navigation system to obtain the real-time position and / or real-time posture of the biopsy device. The biopsy device for the navigation system of the utility model solves the technical problem of difficulty in sampling when performing biopsy sampling on the affected tissue in the related art.

Description

Technical Field

[0001] The utility model relates to the technical field of biopsy sampling, in particular to a biopsy device applied to a navigation system and a biopsy instrument having the same. Background Art

[0002] Biopsy sampling is an important means of clinically identifying the specific type of disease. In clinical practice, when performing biopsy sampling, the target locations for sampling vary. For some relatively hidden locations, the puncture biopsy method in related technologies is difficult to accurately puncture the target location, and it is difficult to effectively remove the biopsy sample, resulting in insufficient samples or inaccurate sample collection, which can easily lead to difficulties in disease diagnosis and missed diagnosis.

[0003] For example, when taking bone tissue biopsy samples from patients with bone tumors, it is difficult for the puncture sampling method in the relevant technology to accurately puncture and reach the target location for some bone tissues hidden deep in the patient's body. In addition, there are often a large number of osteoblasts, osteoclasts or soft tissues mixed in the bone tumor, and the puncture biopsy method is also difficult to effectively remove tissue samples. Therefore, bone tumor sampling is very difficult, which has an adverse effect on the diagnosis of the disease.

[0004] It can be seen that in the related technology, when performing biopsy sampling on certain affected tissues, it is difficult to smoothly remove the samples and the sampling accuracy cannot be guaranteed, and there is a technical problem of sampling difficulty. Utility Model Content

[0005] The main purpose of the utility model is to provide a biopsy device applied to a navigation system and a biopsy instrument having the same, so as to solve the technical problem of difficulty in sampling when performing biopsy sampling on affected tissue in the related art.

[0006] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a biopsy device applied to a navigation system is provided, which includes: a main body structure; a sampling tube structure, which is installed on the main body structure, and the sampling tube structure has a hollow sampling channel; a cutting structure, which is arranged at one end of the sampling tube structure away from the main body structure, so as to cut the tissue to be sampled through the cutting structure; a negative pressure interface, which is connected to the sampling channel, so as to suck the tissue cut by the cutting structure through the negative pressure interface; and a positioning structure, which is used to enable an external navigation system to obtain the real-time position and / or real-time posture of the biopsy device.

[0007] Further, the positioning structure includes a positioning element, and the navigation system determines the real-time position and / or real-time posture of the biopsy device by identifying the positioning element.

[0008] Furthermore, there are multiple positioning elements, and the multiple positioning elements are arranged at intervals.

[0009] Further, at least a portion of the positioning element is made of a reflective material.

[0010] Furthermore, the positioning element is a spherical structure.

[0011] Furthermore, the multiple positioning elements are divided into two element groups, each element group includes multiple positioning elements, and along the width direction of the biopsy device, the two element groups are symmetrically arranged on both sides of the main body structure, and along the length direction of the biopsy device, the multiple positioning elements belonging to each element group are arranged at intervals, wherein the length direction of the biopsy device is the extension direction of the sampling tube structure, and the width direction of the biopsy device is perpendicular to the length direction of the biopsy device.

[0012] Furthermore, the positioning structure is arranged on the main body structure.

[0013] Furthermore, the biopsy device applied to the navigation system also includes: a biopsy tissue collection structure, which is arranged between the cutting structure and the negative pressure interface to intercept the biopsy tissue flowing to the negative pressure interface through the biopsy tissue collection structure.

[0014] According to another aspect of the utility model, a biopsy instrument is provided, which includes a navigation system and a biopsy device. The biopsy device is the above-mentioned biopsy device applied to the navigation system. The navigation system obtains the real-time position and / or real-time posture of the biopsy device through the positioning structure of the biopsy device, and the real-time position and / or real-time posture of the biopsy device is displayed in a patient body model, wherein the patient body model is a three-dimensional model established based on the patient's imaging examination data.

[0015] Furthermore, the biopsy instrument also includes a negative pressure suction device, and an interface of the negative pressure suction device is connected to the negative pressure interface of the biopsy device.

[0016] The biopsy device used in the navigation system using the technical solution of the utility model comprises: a main body structure; a sampling tube structure, the sampling tube structure is installed on the main body structure, and the sampling tube structure has a hollow sampling channel; a cutting structure, the cutting structure is arranged at one end of the sampling tube structure away from the main body structure, so as to cut the tissue to be sampled through the cutting structure; a negative pressure interface, the negative pressure interface is connected to the sampling channel, so as to suck the tissue cut by the cutting structure through the negative pressure interface; a positioning structure, the positioning structure is used to enable the external navigation system to obtain the real-time position and / or real-time posture of the biopsy device. When the biopsy device for the navigation system using this structural design is used, the sampling tube structure is inserted into the pre-established puncture channel, so that the end of the sampling tube structure reaches the position to be sampled, and the cutting structure at the end of the sampling tube structure can cut the tissue to be sampled, thereby cutting off the tissue, and then sucking along the sampling channel through the negative pressure interface, so that the cut tissue is extracted from the patient's body to achieve biopsy sampling. During this process, the positioning structure enables the external navigation system to obtain the real-time position and / or real-time posture of the biopsy device, so that the navigation system can accurately navigate the biopsy operation process, conveniently and accurately achieve biopsy sampling of the affected tissue, and solve the technical problem of inconvenient sampling of the affected tissue in the related technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 It is a structural schematic diagram of the first embodiment of the biopsy device of the utility model;

[0019] Figure 2 It is a cross-sectional structural schematic diagram of the first embodiment of the biopsy device of the utility model;

[0020] Figure 3 A schematic diagram of the area near the cutting structure of the first embodiment of the biopsy device of the utility model;

[0021] Figure 4 It is a structural schematic diagram of a second embodiment of the biopsy device of the utility model;

[0022] Figure 5 It is a cross-sectional structural schematic diagram of a second embodiment of the biopsy device of the utility model;

[0023] Figure 6 A schematic diagram of the vicinity of the cutting structure of the second embodiment of the biopsy device of the present utility model;

[0024] Figure 7 It is a schematic cross-sectional structure diagram of the area near the cutting structure of the second embodiment of the biopsy device of the utility model;

[0025] Figure 8 A schematic diagram of the vicinity of the first collecting structure of the biopsy device of the present utility model;

[0026] Fig. 9 It is a schematic diagram of the vicinity of the second collection structure of the biopsy device of the embodiment of the present utility model.

[0027] The above drawings include the following reference numerals:

[0028] 1. Main body structure; 11. Main body; 12. Sampling tube fixing part; 13. Collection structure fixing part; 14. Control valve; 15. Bending drive part; 151. First thread matching part; 152. Second thread matching part; 2. Sampling tube structure; 20. Sampling channel; 21. First tube body; 22. Second tube body; 200. Hollow part; 3. Cutting structure; 4. Negative pressure interface; 5. Biopsy tissue collection structure; 51. First collection structure; 52. Second collection structure; 6. Drive structure; 7. Positioning structure; 71. Positioning element. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] Please refer to Figures 1 to 9 The utility model provides a biopsy device applied to a navigation system, which includes: a main body structure 1; a sampling tube structure 2, which is installed on the main body structure 1 and has a hollow sampling channel 20; a cutting structure 3, which is arranged at one end of the sampling tube structure 2 away from the main body structure 1, so as to cut the tissue to be sampled through the cutting structure 3; a negative pressure interface 4, which is connected to the sampling channel 20, so as to suck the tissue cut by the cutting structure 3 through the negative pressure interface 4; and a positioning structure 7, which is used to enable an external navigation system to obtain the real-time position and / or real-time posture of the biopsy device.

[0031] When the biopsy device for the navigation system adopting this structural design is used, the sampling tube structure 2 is inserted into the pre-established puncture channel so that the end of the sampling tube structure 2 reaches the position to be sampled, and the cutting structure 3 at the end of the sampling tube structure 2 can cut the tissue to be sampled, thereby cutting off the tissue, and then suction is performed along the sampling channel 20 through the negative pressure interface 4, so that the cut tissue is extracted from the patient's body to achieve biopsy sampling. In this process, the positioning structure 7 can enable the external navigation system to obtain the real-time position and / or real-time posture of the biopsy device, so that the navigation system can accurately navigate the biopsy operation process, conveniently and accurately achieve biopsy sampling of the affected tissue, and solve the technical problem of inconvenient sampling when performing biopsy sampling on the affected tissue in the related technology.

[0032] The biopsy device applied to the navigation system of the embodiment of the present application can be applied to biopsy sampling of various tissues in various affected areas. According to different tissue types, different cutting structures 3 can be replaced to better achieve the cutting of the tissue. For example, for harder tissues such as bones, the cutting structure 3 can be designed in the form of a grinding head, and part of the bone tissue can be cut off through the grinding and cutting action between the grinding head and the bone tissue. For another example, for some softer tissues, the cutting structure 3 can be designed as a movable blade structure, so that the tissue can be cut by a sharp blade.

[0033] The advantages of the biopsy device of the embodiment of the utility model are particularly prominent when sampling bone tissue. For example, it is difficult to directly distinguish benign from malignant bone tumors in existing clinical practice through CT, MRI or X-rays, so surgical biopsy pathology is often necessary in clinical practice. Due to the differences between bone tumors and soft tissue tumors, malignant tumors generally rarely have a large amount of bone formation, but bone tumors often have a large amount of bone formation, bone resorption or soft tissue mixed. Although puncture biopsy is effective in many bone tumors, in some cases, it is difficult to sample bone tumors due to the strong heterogeneity of bone tumors, which leads to insufficient samples or inaccurate sampling positions, which can easily cause diagnostic difficulties or missed diagnosis; and if the affected area is directly cut open for sampling, it will cause the patient's bleeding to increase, increasing the risk of surgery. The biopsy device with the above-mentioned structural design of the utility model can conveniently and accurately realize the biopsy sampling of bone tissue, effectively solving the technical problem of the difficulty of bone tissue sampling in the prior art.

[0034] The real-time position of the biopsy device refers to the position of the biopsy device in three-dimensional space, and the implementation posture of the biopsy device refers to the tilt angle of the biopsy device, changes in its own shape and structure, and other postures.

[0035] In this embodiment, the positioning structure 7 includes a positioning element 71, and the navigation system determines the real-time position and / or real-time posture of the biopsy device by identifying the positioning element 71, wherein the navigation system can identify the positioning element 71, for example, by image recognition technology, by a sensor such as a laser sensor, and thus determine the real-time position and / or real-time posture of the biopsy device. Of course, in actual implementation, the navigation system may obtain the real-time position and / or real-time posture of the biopsy device in other ways. For example, in another optional embodiment, the positioning structure 7 may locate its own position and / or posture in three-dimensional space, and send the real-time position and / or real-time posture information to an external navigation system.

[0036] Preferably, there are multiple positioning elements 71, and the multiple positioning elements 71 are arranged at intervals. In this embodiment, the positioning elements 71 are designed to be multiple, and the multiple positioning elements 71 are arranged at intervals. The navigation system can conveniently calculate the posture of the biopsy device by identifying the positions of the multiple positioning elements 71, and the use of multiple positioning elements 71 is conducive to improving the accuracy of position determination.

[0037] In this embodiment, at least a portion of the positioning element 71 is made of reflective material, so that it can better reflect external light, such as natural light or light emitted by the navigation system, thereby facilitating the navigation system to more effectively determine the position of the positioning element 71.

[0038] In an optional embodiment, the positioning element 71 is designed as a spherical structure. By adopting a photosensitive sphere design, the positioning element 71 can effectively feedback light from all directions, thereby improving the reliability of the navigation system in positioning the positioning element 71.

[0039] In this embodiment, the multiple positioning elements 71 are divided into two element groups, each element group includes multiple positioning elements 71, and along the width direction of the biopsy device, the two element groups are symmetrically arranged on both sides of the main body structure 1, and along the length direction of the biopsy device, the multiple positioning elements 71 belonging to each element group are arranged at intervals, wherein the length direction of the biopsy device is the extension direction of the sampling tube structure 2, and the width direction of the biopsy device is perpendicular to the length direction of the biopsy device.

[0040] The positioning structure 7 is arranged on the main body structure 1. Of course, in actual implementation, the positioning structure 7 can also be arranged at other positions of the biopsy device, as long as the position and / or posture of the biopsy device can be identified by it.

[0041] The biopsy device applied to the navigation system further includes: a biopsy tissue collecting structure 5 , which is arranged between the cutting structure 3 and the negative pressure interface 4 to intercept the biopsy tissue flowing toward the negative pressure interface 4 through the biopsy tissue collecting structure 5 .

[0042] In this embodiment, the biopsy device is also designed with a biopsy tissue collection structure 5, through which the sucked tissue can be intercepted to achieve the collection of biopsy sample tissue. This biopsy device with a cutting structure 3, a biopsy tissue collection structure 5 and a structure designed in conjunction with a negative pressure interface 4 can easily achieve the sampling of biopsy tissue, solving the technical problem of difficult biopsy sampling in related technologies.

[0043] In actual implementation, there are many options for the specific shape of the cutting structure 3, as long as it can achieve the cutting of tissue. The cutting process can be to chop the tissue into pieces by cutting, or to cut the tissue off by grinding. According to the different types of tissues to be cut, the specific shape of the cutting structure 3 can also be adjusted to better achieve the cutting of the corresponding types of tissues. For example, the cutting structure 3 can be a spherical grinding head, a cylindrical grinding head, a serrated cutter, etc. For example, in this embodiment, the cutting structure 3 is a rotating grinding head, and a plurality of sharp cutting protrusions are provided on the grinding head. When the grinding head rotates, the cutting protrusions can cut the tissue.

[0044] There are also multiple options for the specific form of the biopsy tissue collection structure 5, as long as it can intercept and collect tissue during negative pressure suction. For example, it can include filter screens, filter holes, filter paper, gauze and other structures to intercept and collect tissue samples.

[0045] In a preferred embodiment, there are multiple biopsy tissue collecting structures 5 , and the multiple biopsy tissue collecting structures 5 are arranged in sequence along the channel between the cutting structure 3 and the negative pressure interface 4 .

[0046] In this embodiment, multiple biopsy tissue collection structures 5 are designed, and the multiple biopsy tissue collection structures 5 are arranged in sequence according to the extension direction of the channel, thereby realizing multiple interception and collection of biopsy tissues, which is conducive to more sufficient collection of biopsy samples and improving biopsy sampling efficiency.

[0047] In this embodiment, filter holes are provided on the biopsy tissue collecting structure 5 , and along the direction from the cutting structure 3 to the negative pressure interface 4 , the sizes of the filter holes of the plurality of biopsy tissue collecting structures 5 decrease in sequence.

[0048] In this embodiment, filter holes are provided on the biopsy tissue collection structure 5, and along the extension direction of the channel, the sizes of the filter holes of the multiple biopsy tissue collection structures 5 decrease successively. In this way, the sizes of tissues collected by the multiple biopsy tissue collection structures 5 will also decrease successively, thereby realizing fine-grained collection of tissue samples. In the subsequent biopsy process, samples of appropriate sizes can be selected according to actual needs, thereby effectively improving the flexibility of biopsy sampling.

[0049] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown in the two embodiments, the biopsy tissue collection structure 5 includes a first collection structure 51, which is arranged at one end of the sampling tube structure 2 away from the cutting structure 3; the main body structure 1 includes a main body 11 and a sampling tube fixing part 12, the sampling tube structure 2 is installed on the sampling tube fixing part 12, and the sampling tube fixing part 12 is detachably installed on the main body 11, wherein when the sampling tube fixing part 12 is installed on the main body 11, the sampling tube fixing part 12 and the main body 11 wrap the first collection structure 51, and when the sampling tube fixing part 12 is removed from the main body 11, at least part of the first collection structure 51 is exposed. With the biopsy device with such a structural design, it is only necessary to remove the sampling tube fixing part 12 from the main body 11 to operate the first collection structure 51, such as installing the first collection structure 51, recovering the biopsy sample in the first collection structure 51, etc. Moreover, the first collection structure 51 is designed in the main body structure 1, and there is also more sufficient space, thereby ensuring that the sample collected for the first time can be accommodated smoothly.

[0050] In addition, the biopsy tissue collection structure 5 includes a second collection structure 52, the filter holes on the second collection structure 52 are smaller than the filter holes on the first collection structure 51, and the main body structure 1 also includes a collection structure fixing part 13, and the interior of the collection structure fixing part 13 has an installation channel, and at least part of the second collection structure 52 is installed in the installation channel, wherein the collection structure fixing part 13 is detachably connected to the main body 11, and the negative pressure interface 4 is the opening side of the installation channel away from the main body 11.

[0051] In this embodiment, the second collecting structure is designed at the tail of the biopsy device, namely, at the negative pressure interface 4. Thus, the sample in the second collecting structure 52 can be recovered by simply removing the collecting structure fixing portion 13 from the main body 11, which makes the operation more flexible and convenient.

[0052] There are many options for the shape of the biopsy tissue collection structure 5, as long as it can intercept and collect the biopsy tissue sample sucked by negative pressure after cutting.

[0053] In an optional embodiment, the first collection structure 51 is a bag-like structure, which is sleeved on the end of the sampling tube structure 2. The surface of the bag-like structure is provided with a plurality of filter holes, so that after the tissue sample sucked by negative pressure passes through the bag-like structure for filtration, the tissue of suitable size can be intercepted and collected to achieve biopsy tissue sampling. In order to facilitate the installation of the first collection structure 51 and avoid leakage of the collected tissue samples, in this embodiment, at least part of the opening of the bag-like structure is made of elastic material, so that when it is sleeved on the sampling tube structure 2, the bag mouth can be automatically tightened to improve the reliability and sealing of the connection between the two. In this embodiment, an annular groove is provided on the sampling tube structure 2. When the bag-like structure is sleeved on the sampling tube structure 2, the bag mouth of the bag-like structure is tightened and stuck in the annular groove, thereby further improving the coordination effect between the two.

[0054] In an optional embodiment, the second collecting structure 52 is a tubular structure with one end closed and the other end open, the opening of the tubular structure faces the main body 11, and a plurality of filter holes are provided at the bottom of the tubular structure. The installation channel of the collecting structure fixing portion 13 is a strip channel. When the collecting structure fixing portion 13 is installed on the main body 11, the tissue sample filtered by the first collecting structure 51 will enter the second collecting structure 52 and be filtered again through the smaller filter holes on the second collecting structure 52, thereby intercepting and collecting tissue samples with smaller size and utilization value, thereby more flexibly realizing the collection of samples of different sizes and better meeting biopsy needs.

[0055] In specific implementation, there are multiple options for the connection between the sampling tube fixing portion 12 and the main body 11, as long as the two can be reliably connected, meet the structural strength requirements, and meet the sealing requirements. Similarly, there are multiple options for the connection between the collection structure fixing portion 13 and the main body 11, as long as the two can be reliably connected, meet the structural strength requirements, and meet the sealing requirements. In a specific embodiment, the sampling tube fixing portion 12 and the main body 11 are threadedly connected, and the collection structure fixing portion 13 and the main body 11 are plug-in connected, that is, a first plug is provided at the end of the channel on the main body 11, and a second plug is provided on the collection structure fixing portion 13, and the first plug and the second plug are plug-in matched, thereby realizing the connection and sealing between the collection structure fixing portion 13 and the main body 11.

[0056] like Figure 1 , Figure 2 , Figure 4 as well as Figure 5As shown, in the corresponding embodiment, a control valve 14 is provided on the main body structure 1 of the biopsy device. When the control valve 14 is in an open state, the negative pressure interface 4 and the sampling channel 20 are connected. When the control valve 14 is in a closed state, the negative pressure interface 4 and the sampling channel 20 are cut off. Therefore, the opening and closing of the control valve 14 can be used to flexibly control the opening and interruption of the negative pressure suction.

[0057] The biopsy device includes a driving structure 6, which is in transmission connection with the cutting structure 3, and the driving structure 6 drives the cutting structure 3 to move so as to cut the tissue to be sampled. In actual implementation, the biopsy device may not be provided with a driving structure 6, but may manually drive the cutting structure 3 to move to achieve cutting. In this embodiment, in order to facilitate the use of the biopsy device, a driving structure 6 is designed for the biopsy device, and the cutting structure 3 can be driven to move by the driving structure 6, thereby realizing an automated cutting operation, reducing the labor of the operator, and making it more convenient to use. The setting position of the driving structure 6 is not limited here. In specific implementation, it can be set at any position of the biopsy device, as long as it does not affect the normal use of the biopsy device and can drive the cutting structure 3 to move. For example, in a specific embodiment, a cavity is provided inside the main body structure 1, and the driving structure 6 is arranged in the cavity.

[0058] In actual implementation, the specific form of the driving structure 6 can be various, for example, according to its working principle, it can include electric drive, pneumatic drive, hydraulic drive. According to the different cutting actions of the cutting structure 3, the driving structure 6 can be a rotary driving structure, thereby driving the cutting structure to rotate; the driving structure 6 can be a reciprocating driving structure, thereby driving the cutting structure 3 to reciprocate; the driving structure 6 can also be a swing driving structure, thereby driving the cutting structure 3 to swing, etc., as long as it can drive the cutting structure 3 to achieve the cutting action. In a specific embodiment, the driving structure 6 is an electric rotary driving structure, that is, a motor, and the cutting structure 3 can be driven to rotate by the motor, thereby achieving the cutting of the tissue to be sampled. In actual implementation, the driving structure 6 can include a wiring portion for connecting to an external power supply, and the biopsy device can also be provided with a battery, so that the driving structure 6 is powered by the built-in battery, further improving the flexibility of use of the biopsy device.

[0059] The sampling tube structure 2 includes a first tube body 21 and a second tube body 22, wherein the second tube body 22 is installed in the first tube body 21, and one end of the second tube body 22 close to the cutting structure 3 abuts against the first tube body 21; wherein a hollow portion 200 is provided on the first tube body 21 and / or the second tube body 22, and the hollow portion 200 is non-uniformly arranged along the circumference of the first tube body 21 and / or the second tube body 22, and the first tube body 21 and / or the second tube body 22 are movably arranged along their own length direction.

[0060] With a biopsy device having such a structural design, when the first tube body 21 and / or the second tube body 22 move along their own length direction, if relative movement occurs between the two and the end of the second tube body 22 squeezes the first tube body 21, since the hollow portion 200 is non-uniformly arranged along the circumferential direction, an unbalanced force phenomenon will occur, causing the first tube body 21 and the second tube body 22 to bend at the position corresponding to the hollow portion 200. In this way, the biopsy device can be bent, which is beneficial to increase the sampling range and improve the sampling flexibility.

[0061] The main body structure 1 includes a bending driving unit 15 , which is connected to the second tube body 22 , and drives the second tube body 22 to move along its own length direction.

[0062] In actual implementation, the specific form of the bending drive part 15 can also be varied, as long as it can drive the second tube body 22 to move along its axial direction. For example, the bending drive part 15 can be a slider, which is connected to the outer wall of the second tube body 22, so as to drive the second tube body 22 to move when the slider is slid.

[0063] In this embodiment, the bending drive part 15 includes a first threaded fitting part 151 and a second threaded fitting part 152. The first threaded fitting part 151 and the second threaded fitting part 152 are threadedly fitted. The first threaded fitting part 151 is connected to the second tube body 22. The second threaded fitting part 152 is installed on the first tube body 21 along the axial limit of the first tube body 21. When the second threaded fitting part 152 rotates relative to the first threaded fitting part 151, the first threaded fitting part 151 moves under the action of the thread, thereby driving the second tube body 22 to move.

[0064] In addition, the utility model also provides a biopsy instrument, which includes a navigation system and a biopsy device. The biopsy device is the above-mentioned biopsy device applied to the navigation system. The navigation system obtains the real-time position and / or real-time posture of the biopsy device through the positioning structure 7 of the biopsy device, and the real-time position and / or real-time posture of the biopsy device is displayed in the patient's body model, wherein the patient's body model is a three-dimensional model established based on the patient's imaging examination data.

[0065] In addition, in this embodiment, the biopsy instrument further includes a negative pressure suction device, and an interface of the negative pressure suction device is connected to the negative pressure interface 4 of the biopsy device.

[0066] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0067] The biopsy device used in the navigation system of the utility model comprises: a main body structure 1; a sampling tube structure 2, the sampling tube structure 2 is installed on the main body structure 1, and the sampling tube structure 2 has a hollow sampling channel 20; a cutting structure 3, the cutting structure 3 is arranged at one end of the sampling tube structure 2 away from the main body structure 1, so as to cut the tissue to be sampled through the cutting structure 3; a negative pressure interface 4, the negative pressure interface 4 is connected with the sampling channel 20, so as to suck the tissue cut by the cutting structure 3 through the negative pressure interface 4; and a positioning structure 7, the positioning structure 7 is used to enable the external navigation system to obtain the real-time position and / or real-time posture of the biopsy device. When the biopsy device for the navigation system adopting this structural design is used, the sampling tube structure 2 is inserted into the pre-established puncture channel, so that the end of the sampling tube structure 2 reaches the position to be sampled, and the cutting structure 3 at the end of the sampling tube structure 2 can cut the tissue to be sampled, thereby cutting off the tissue, and then sucking along the sampling channel 20 through the negative pressure interface 4, so that the cut tissue is extracted from the patient's body, and biopsy sampling is achieved. During this process, the positioning structure 7 can enable the external navigation system to obtain the real-time position and / or real-time posture of the biopsy device, so that the navigation system can accurately navigate the biopsy operation process, conveniently and accurately achieve biopsy sampling of the affected tissue, and solve the technical problem of inconvenient sampling of the affected tissue in the related technology.

[0068] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0069] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0070] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0071] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A biopsy device applied to a navigation system, characterized in that: include: Main structure (1); A sampling tube structure (2), the sampling tube structure (2) being mounted on the main body structure (1), the sampling tube structure (2) having a hollow sampling channel (20); A cutting structure (3), wherein the cutting structure (3) is arranged at one end of the sampling tube structure (2) away from the main body structure (1), so as to cut the tissue to be sampled through the cutting structure (3); A negative pressure interface (4), the negative pressure interface (4) being in communication with the sampling channel (20) so as to aspirate the tissue cut by the cutting structure (3) through the negative pressure interface (4); A positioning structure (7), wherein the positioning structure (7) is used to enable an external navigation system to obtain the real-time position and / or real-time posture of the biopsy device.

2. The biopsy device for use in a navigation system according to claim 1, characterized in that: The positioning structure (7) includes a positioning element (71), and the navigation system determines the real-time position and / or real-time posture of the biopsy device by identifying the positioning element (71).

3. The biopsy device for use in a navigation system according to claim 2, characterized in that: There are a plurality of positioning elements (71), and the plurality of positioning elements (71) are arranged at intervals.

4. The biopsy device for use in a navigation system according to claim 3, characterized in that: At least part of the positioning element (71) is made of reflective material.

5. The biopsy device for use in a navigation system according to claim 4, characterized in that: The positioning element (71) is a spherical structure.

6. The biopsy device for use in a navigation system according to claim 3, characterized in that: The plurality of positioning elements (71) are divided into two element groups, each of which includes a plurality of positioning elements (71). Along the width direction of the biopsy device, the two element groups are symmetrically arranged on both sides of the main body structure (1), and along the length direction of the biopsy device, the plurality of positioning elements (71) belonging to each element group are arranged at intervals, wherein the length direction of the biopsy device is the extension direction of the sampling tube structure (2), and the width direction of the biopsy device is perpendicular to the length direction of the biopsy device.

7. The biopsy device for use in a navigation system according to any one of claims 1 to 6, characterized in that: The positioning structure (7) is arranged on the main body structure (1).

8. The biopsy device for use in a navigation system according to any one of claims 1 to 6, characterized in that: The biopsy device applied to the navigation system further comprises: A biopsy tissue collecting structure (5), wherein the biopsy tissue collecting structure (5) is arranged between the cutting structure (3) and the negative pressure interface (4) so ​​as to intercept the biopsy tissue flowing toward the negative pressure interface (4) through the biopsy tissue collecting structure (5).

9. A biopsy instrument, characterized in that: The biopsy instrument comprises a navigation system and a biopsy device, wherein the biopsy device is a biopsy device applied to the navigation system according to any one of claims 1 to 8, wherein the navigation system obtains the real-time position and / or real-time posture of the biopsy device through the positioning structure (7) of the biopsy device, and the real-time position and / or real-time posture of the biopsy device is displayed in a patient body model, wherein the patient body model is a three-dimensional model established based on the patient's imaging examination data.

10. The biopsy instrument according to claim 9, characterized in that: The biopsy instrument also includes a negative pressure suction device, the interface of which is connected to the negative pressure interface (4) of the biopsy device.

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