Grinding head equipment for cutting tissue

Abstract

The utility model discloses grinding head equipment for cutting tissue, and generally relates to the technical field of medical instruments. The equipment comprises a grinding head part, a transmission connecting shaft, a transmission shaft, a grinding head positioning part, a grinding head fixing part and a shaft sleeve part, the non-grinding-head end of the grinding head part and one end of the transmission shaft are fixedly arranged in the transmission connecting shaft in a sleeved mode, and the other end of the transmission shaft is connected with the power motor and drives the grinding head part to rotate. The grinding head fixing part and the grinding head positioning part are fixedly arranged in the shaft sleeve part; the grinding head part is positioned in the shaft sleeve part in the first direction through the grinding head positioning part; the grinding head fixing part penetrates through the transmission connecting shaft and the shaft sleeve part to be clamped in a fixing clamping groove of the grinding head part, and the grinding head part and the grinding head positioning part are fixed in the transmission connecting shaft and the shaft sleeve part in the second direction; wherein the first direction is the axial direction in the shaft sleeve component along the shaft sleeve component, and the first direction is perpendicular to the second direction.

Description

Technical Field

[0001] The present disclosure generally relates to the field of medical device technology, and more particularly to a grinding head device for removing tissue. Background Art

[0002] In the process of bone tissue or other soft tissue removal, a grinder including a grinding head is generally used to remove the diseased tissue by grinding at a high speed.

[0003] Since the grinding head and the operating handle are fixed in the same direction, it is not convenient to observe the surgical position of the patient in actual operation, and it is difficult to process bone tissue or other soft tissues with complex angles due to the inflexible way of changing direction. Therefore, a bendable grinding head is provided to increase the flexibility in actual operation and expand the operator's operating field of view in actual operation. In the related art, the above-mentioned bendable grinding knife is often fixed by welding.

[0004] However, since the size of the grinding head is often relatively small and the installation space of the grinding head is correspondingly small, there are difficulties in positioning during welding, resulting in low processing yield and low efficiency during the installation of the grinding head, and ultimately making it difficult to produce grinding heads with good fixation and strong stability. Utility Model Content

[0005] In view of the above-mentioned defects or shortcomings in the relevant technology, it is desired to provide a grinding head device for removing tissue, which can solve the problem that the size of the grinding head is often relatively small and the installation space of the grinding head is correspondingly small. Therefore, there is difficulty in positioning during welding, resulting in low processing yield and low efficiency during the installation of the grinding head, and ultimately making it difficult to produce a grinding head with good fixation and strong stability, thereby greatly improving the fixation, stability and safety of the grinding head.

[0006] In a first aspect, a grinding head device for removing tissue is provided, the device comprising: a grinding head component, a transmission connecting shaft, a transmission shaft, a grinding head positioning component, a grinding head fixing component, and a shaft sleeve component;

[0007] The non-grinding head end of the grinding head component and one end of the transmission shaft are respectively fixedly sleeved in the transmission connecting shaft, and the other end of the transmission shaft is connected to the power motor to drive the grinding head component to rotate;

[0008] The grinding head fixing component and the grinding head positioning component are fixedly arranged in the shaft sleeve component;

[0009] Positioning the grinding head component in the shaft sleeve component along a first direction by means of the grinding head positioning component;

[0010] The grinding head fixing component passes through the transmission connection shaft and the shaft sleeve component and is clamped in the fixing groove of the grinding head component, so that the grinding head component and the grinding head positioning component are fixed in the transmission connection shaft and the shaft sleeve component along the second direction;

[0011] The first direction is the axial direction of the shaft sleeve component, and the first direction and the second direction are perpendicular to each other.

[0012] In the present application, the grinding head equipment includes a grinding head component, a transmission connection shaft, a transmission shaft, a grinding head positioning component, a grinding head fixing component and a sleeve component. The non-grinding head end of the grinding head component and one end of the transmission shaft are respectively fixedly sleeved in the transmission connection shaft, and the transmission shaft is connected to the power motor and drives the grinding head component to rotate. The grinding head component fixing component and the grinding head positioning component are fixedly arranged in the sleeve component, and the grinding head component is positioned in the sleeve component along the axial direction of the sleeve component in the sleeve component through the grinding head positioning component. At the same time, the grinding head fixing component passes through the transmission connection shaft and the sleeve component and is clamped in the fixed groove of the grinding head component, and the grinding head component and the grinding head positioning component are fixed in the transmission connection shaft and the sleeve component in a direction perpendicular to the axial direction. In this way, by combining the grinding head positioning component and the grinding head fixing component, the grinding head component can be fixed in the sleeve component in a suitable position, which greatly improves the stability and fixity of the grinding head component and improves the safety of the grinding head during use.

[0013] 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. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0015] Figure 1 One of the schematic diagrams of the grinding head device for removing tissue provided in the embodiment of the present application;

[0016] Figure 2 The second schematic diagram of the grinding head device for removing tissue provided in the embodiment of the present application;

[0017] Figure 3 The third schematic diagram of the grinding head device for removing tissue provided in the embodiment of the present application;

[0018] Figure 4 A fourth schematic diagram of a grinding head device for removing tissue provided in an embodiment of the present application;

[0019] Figure 5Schematic diagram of the grinding head device for removing tissue provided in the embodiment of the present application;

[0020] Figure 6 Schematic diagram of the grinding head device for removing tissue provided in the embodiment of the present application, No. 6;

[0021] Figure 7 Schematic diagram of the grinding head device for removing tissue provided in the embodiment of the present application, No. 7;

[0022] Figure 8 Schematic diagram eight of a grinding head device for removing tissue provided in an embodiment of the present application;

[0023] Fig. 9 Schematic diagram of the ninth embodiment of the grinding head device for removing tissue provided in the present application;

[0024] Fig.10 Schematic diagram 10 of a grinding head device for removing tissue provided in an embodiment of the present application;

[0025] Fig.11 Schematic diagram eleven of a grinding head device for removing tissue provided in an embodiment of the present application;

[0026] Fig.12 Schematic diagram of the grinding head device for removing tissue provided in the embodiment of the present application, No. 12;

[0027] Fig.13 This is the thirteenth schematic diagram of the grinding head device for removing tissue provided in the embodiment of the present application.

[0028] The following is an explanation of the accompanying drawings in the present application: long shaft 1, grinding head sheath 11, sleeve mounting sleeve 12, first mounting hole 121, first fixing groove 122, outer tube positioning groove 123, grinding head 2, grinding head connecting handle 21, crimping groove 22, first fixing ring groove 23, second fixing ring groove 24, transmission shaft 3, transmission connecting shaft 4, grinding head sleeve 5, positioning mounting through hole 51, first chamfer 52, lower supporting arc surface 53, first fillet 54, second mounting hole 55, second mounting groove 56, sleeve positioning groove 57, cut-off surface 58, channel give way groove 59, fixing pin 6, gasket 7, fixing buckle 8, vertical bayonet component 81. DETAILED DESCRIPTION

[0029] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0030] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0031] The application scenarios in the embodiments of the present application are described below.

[0032] In the process of bone tissue or other soft tissue removal, a grinder including a grinding head is generally used to remove the diseased tissue by grinding at a high speed.

[0033] Since the grinding head and the operating handle are fixed in the same direction, it is not convenient to observe the surgical position of the patient in actual operation. In addition, since the direction change method is not flexible enough, it is difficult to process bone tissue or other soft tissue with complex angles.

[0034] Since the traditional grinding head is completely exposed during the surgical operation, and the grinding head and the operating handle are fixed in the same direction, on the one hand, it blocks the field of vision and is not easy to operate, and on the other hand, it is easy to cause damage to other tissues around the resected tissue that do not need to be resected (such as soft tissue around the bone tissue that needs to be resected), thereby affecting the recovery of the surgical position. Therefore, in the related art, a bendable grinding knife is provided and matched with a grinding head sheath, so that on the one hand, the bendable grinding knife can expand the operator's operating field of vision and increase the flexibility in actual operation, and on the other hand, the grinding head sheath can cover part of the grinding head and reduce the exposed area of ​​the grinding head, thereby avoiding unnecessary resection of other tissues other than the diseased tissue during the resection process.

[0035] However, the above configuration has the following two problems:

[0036] 1. After the grinding head is partially covered by the grinding head cover, the operable surface (i.e., the grinding surface) of the grinding head may be greatly reduced, thereby increasing the difficulty of sharpening in actual applications;

[0037] 2. Since the bendable grinder can be fixed by welding or by first fixing the grinding head mounting component and then installing the grinding head, however, 1) when welding is used for fixing, since the size of the grinding head is often relatively small and the installation space of the grinding head is correspondingly small, there are difficulties in positioning during welding, resulting in low processing yield and low efficiency; 2) when the grinding head mounting component is first fixed and then the grinding head is installed, the grinding head mounting seat will be fixed first, and then the grinding head will be installed on the mounting seat so that the transmission shaft is connected by a certain fixing method (such as threaded connection). However, in this way, the fixing of the grinding head and the transmission shaft cannot be inspected, that is, the connection effect of the grinding head and the transmission shaft cannot be determined. In this way, it is easy for the grinding head to be installed loosely, which leads to the problem of the grinding head being detached. Furthermore, if the grinding head and the transmission shaft are connected by threads, in actual use, the transmission shaft and the grinding head are prone to loosening when rotating at high speed, thereby affecting the stability and accuracy of grinding. At the same time, the bendable grinding head may be realized by connecting the grinding head to a flexible shaft or a coupling. The above connection method of the grinding head and the transmission shaft may cause stress fracture of the flexible shaft or the coupling when the grinding head and the transmission shaft rotate at high speed, causing the grinding head to detach from the mounting seat, greatly increasing the degree of danger.

[0038] Based on this, the present application proposes a grinding head device that can solve the problem that the grinding head size is often relatively small and the installation space of the grinding head is correspondingly small, so there are positioning difficulties during welding, resulting in low processing yield and low efficiency during the installation of the grinding head, and ultimately making it difficult to produce grinding heads with good fixation and strong stability.

[0039] Figure 1 Schematic diagram of the structure of a grinding head device for removing tissue provided by an embodiment of the present application. Figure 1 As shown, the equipment includes a grinding head component, a transmission connecting shaft, a transmission shaft, a grinding head positioning component, a grinding head fixing component, and a shaft sleeve component.

[0040] In the embodiment of the present application, the non-grinding head end of the grinding head component and one end of the transmission shaft are respectively fixedly sleeved in the transmission connecting shaft, and the other end of the transmission shaft is connected to the power motor and drives the grinding head component to rotate.

[0041] Exemplarily, the grinding head component includes a grinding head end and a non-grinding head end, wherein the grinding head end includes the grinding head and the non-grinding head end does not include the grinding head, and is usually used for fixedly connecting the grinding head component.

[0042] Exemplarily, the transmission connecting shaft is a sleeve-shaped device having a cavity.

[0043] Exemplarily, the cross-sectional shape of the transmission connection shaft matches the cross-sectional shape of the non-grinding head end of the grinding head component.

[0044] In one example, the cross-sectional shape of the transmission connection shaft and the cross-sectional shape of the non-grinding head end of the grinding head component may be the same, for example, both are circular.

[0045] In another example, the cross-sectional shape of the transmission connecting shaft and the cross-sectional shape of the non-grinding head end of the grinding head component may be the same as or different from each other. For example, the cross-sectional shape of the transmission connecting shaft has a shape of a convex portion, while the cross-sectional shape of the non-grinding head end of the grinding head component includes a shape having a concave portion, wherein the convex portion and the concave portion match.

[0046] Exemplarily, the cross-sectional shape of the transmission shaft matches the cross-sectional shape of the transmission connecting shaft.

[0047] Furthermore, the cross-sectional shape of the above-mentioned transmission shaft matches the cross-sectional shape of the transmission connecting shaft, which means that: the cross-sectional shape of the above-mentioned entire transmission shaft can match the cross-sectional shape of the above-mentioned transmission connecting shaft, or at one end of the above-mentioned transmission shaft, only the cross-sectional shape of the transmission shaft part which is sleeved on the transmission connecting shaft matches the cross-sectional shape of the above-mentioned transmission connecting shaft.

[0048] In one example, the cross-sectional shape of the transmission connection shaft and the cross-sectional shape of the transmission shaft may be the same, for example, both are circular.

[0049] In another example, the cross-sectional shape of the transmission connecting shaft may be the same as or different from the cross-sectional shape of the transmission shaft. For example, the cross-sectional shape of the transmission connecting shaft has a shape of a convex portion, and the cross-sectional shape of the non-grinding head end of the grinding head component includes a shape having a concave portion, wherein the convex portion and the concave portion match.

[0050] For example, from the above content, it can be seen that the transmission connecting shaft is a tube-sheathed structure. Therefore, the inner diameter size of the transmission connecting shaft matches the cross-sectional size of the non-grinding head end of the grinding head component. Correspondingly, the inner diameter size of the transmission connecting shaft matches the cross-sectional size of the transmission shaft and the sleeve portion of the transmission connecting shaft.

[0051] It can be understood that after the non-grinding head end of the grinding head component and one end of the transmission shaft are respectively fixedly sleeved in the transmission connecting shaft, the grinding head component and the transmission shaft are fixedly connected through the transmission connecting shaft.

[0052] like Figure 1 As shown, in Figure 1 As shown, Figure 1It includes a non-grinding head end 21 of a grinding head component, a transmission connecting shaft 4 and a transmission shaft 3, wherein the cross-sectional shape of the non-grinding head end 21 of the grinding head component is circular, and the cross-sectional shape of the transmission shaft 3 is also circular. At the same time, the cross-sectional shape of the transmission connecting shaft 4 is also circular, and the cross-sectional size of the non-grinding head end 21 of the grinding head component, the cross-sectional size of the transmission shaft 3 and the cross-sectional size of the inner diameter of the transmission connecting shaft 4 match, and then the non-grinding head end 21 of the grinding head component and one end of the transmission shaft 3 can be fixedly sleeved in the transmission connecting shaft 4.

[0053] It can be understood that the above-mentioned sleeve component can be composed of multiple components, and the multiple components are fixedly connected.

[0054] Furthermore, the shaft sleeve component is used to protect the transmission shaft and the grinding head component from being damaged by external friction. Since the transmission shaft in the long shaft and the long shaft will eventually be connected to the power motor, and will eventually be driven by the power motor to rotate at high speed, in order to prevent the transmission shaft and the grinding head component from causing unnecessary losses during the friction process during use, the shaft sleeve component is provided to protect the grinding head component.

[0055] Exemplarily, the transmission shaft may include a flexible shaft or a rigid shaft, which is not limited in the embodiments of the present application.

[0056] It is understandable that in actual applications, since the grinding head component will eventually rotate at high speed driven by the transmission shaft to complete the grinding of tissue (for example, bone tissue or other tissue), at the same time, during the tissue cutting process, the smaller the external wound, the less damage to the corresponding organism of the tissue. Therefore, when the cutting position of the tissue is deeper and the position from the surface of the organism to the grinding position is far, a flexible shaft can be set in the transmission shaft. The flexible shaft part in the transmission shaft can be bent according to the needs of the operator, thereby completing the tissue grinding and ensuring that the surface wound is smaller.

[0057] Optionally, in the embodiment of the present application, the above-mentioned sleeve component may include at least one bending section.

[0058] It can be understood that when the above-mentioned transmission shaft includes a flexible shaft, in order to facilitate the operation of the operator and not affect the operator's viewing field during the operation, a plurality of bending sections can be set for the above-mentioned flexible shaft. Accordingly, the above-mentioned sleeve component can also include at least one bending section matching the flexible shaft, for example, a plurality of bending sections.

[0059] Furthermore, the flexible shaft is an shaft that can be bent at a certain angle and can transmit torque. Specifically, the flexible shaft can be composed of a plurality of spiral springs or can be woven from different materials.

[0060] It is understandable that when the transmission shaft is driven by the power motor to rotate at a high speed, the flexible shaft is prone to breakage at the bend, and is prone to shaking, causing the grinding head component and the transmission connecting shaft connected thereto to break. In order to prevent the grinding head component from falling off the transmission connecting shaft or vibrating violently due to the breakage of other transmission connecting shafts or the transmission shaft during use, causing harm to the patient, the bent end of the above-mentioned transmission shaft is transitioned using a flexible shaft.

[0061] It should be noted that the bendable bending section of the sleeve component is the portion of the sleeve component corresponding to the bendable portion of the transmission shaft. For example, if the front end of the sleeve component includes a transmission shaft connected to the transmission connecting shaft, the bendable bending section of the sleeve component includes the portion of the sleeve component corresponding to the transmission shaft that is not connected to the transmission connecting shaft.

[0062] Optionally, in an embodiment of the present application, the above-mentioned sleeve component includes a long shaft, a sleeve mounting section, and a grinding head sheath, and the above-mentioned grinding head sheath and the above-mentioned long shaft are connected through the above-mentioned sleeve mounting section.

[0063] For example, it can be known from the above content that in order to prevent the grinding head from damaging other tissues except the tissue that needs to be ground, a grinding head guard connected to the mounting end of the sleeve is provided to cover part of the grinding head, leaving only part of the grinding head exposed to the outside for tissue grinding.

[0064] like Figure 2 and Figure 3 As shown, Figure 2 and Figure 3 The figure shows a long shaft 1, a sleeve mounting section 12, and a grinding head sheath 11, wherein the grinding head sheath 11 is located on the outside of one end of the grinding head component, and the long shaft 1 is located on the outside of one end of the transmission shaft, and the grinding head sheath 11 and the long shaft 1 are fixedly connected via the sleeve mounting section 12.

[0065] Exemplarily, the grinding head sheath may be fixedly connected to the long axis, or movably connected to the long axis.

[0066] In one example, when the grinding head sheath can be fixedly connected to the long shaft, the fixed connection can be achieved by an integrated setting or welding.

[0067] In another example, when the grinding head sheath can be movably connected to the long axis, an installation method utilizing the movably connected grinding head sheath can be adopted.

[0068] Optionally, the transmission shaft, the transmission connecting shaft and the grinding head component are arranged in a shaft sleeve component, and a cavity is formed between the shaft sleeve component and the transmission shaft, the transmission connecting shaft and the grinding head positioning component.

[0069] Exemplarily, the above-mentioned sleeve component is located on the outside of the grinding head component, the transmission shaft and the transmission connecting shaft, wrapping and protecting the grinding head component, the transmission shaft and the transmission connecting shaft on the inside. The grinding head component, the transmission shaft and the transmission connecting shaft are not tightly fitted, but have a gap for liquid (for example, coolant, flushing liquid or related liquid medicine) to flow.

[0070] In one embodiment, a through cavity structure is provided between the transmission shaft and the sleeve component, and the cavity structure is used to input liquid from the outside to the working surface of the grinding head, and can be used to circulate the liquid required for the working position of the grinding head component (for example, coolant, flushing liquid or related liquid medicine) to the grinding head component.

[0071] It should be noted that in order to allow the liquid required for the working position of the grinding head component to eventually flow to the grinding head component, there is also a gap between the grinding head component and the sleeve component for the liquid to pass through. The specific structural description refers to the subsequent description and will not be repeated here.

[0072] Optionally, in an embodiment of the present application, the non-grinding head end of the grinding head component connected to the transmission connecting shaft includes a crimping groove, and the crimping groove is used to accommodate the interference material generated by the transmission connecting shaft when one end of the grinding head component is sleeved on the transmission connecting shaft.

[0073] It is understandable that the non-grinding end of the grinding head component and one end of the transmission shaft are both inserted into the transmission connection shaft, and the grinding head component and the transmission shaft are fixedly connected through the transmission connection shaft. The above-mentioned method of fixedly connecting the grinding head component and the transmission shaft can be completed by sleeve crimping.

[0074] Furthermore, a crimping groove is provided on the non-grinding head end of the grinding head component to which the transmission connecting shaft is connected. It can be seen from the above content that during the process of sleeve-mounting the non-grinding head end of the grinding head component in the transmission connecting shaft, the non-grinding head end is fixedly connected by sleeve crimping. Specifically, during the crimping process, the transmission connecting shaft will be deformed to a certain extent due to the extrusion of the non-grinding head end of the grinding head component. When a crimping groove is provided on the non-grinding head end, the deformed material of the transmission connecting shaft will be squeezed into the crimping groove.

[0075] Exemplarily, the shape of the crimping groove is circular, polygonal, etc.

[0076] Exemplarily, the depth of the crimping groove may be related to the material of the transmission connecting shaft. When the material hardness of the transmission connecting shaft is high, the depth is deeper; when the material hardness of the transmission connecting shaft is higher, the depth is shallower. This embodiment of the present application does not limit this.

[0077] like Figure 1 As shown, in Figure 1In the figure, a crimping groove 22 is opened on the non-grinding head end 21 of the grinding head component. Then, in the process of crimping the non-grinding head end 21 of the grinding head component into the transmission connecting shaft 4, the transmission connecting shaft 4 will be deformed, and then the deformed material will be squeezed in the crimping groove 22.

[0078] In this way, by providing a crimping groove to accommodate the crimping material generated during the fixed connection between the transmission connecting shaft and the grinding head component, the fixed connection performance between the grinding head component and the transmission connecting shaft is made stronger, and the stability of the fixed connection is greatly improved.

[0079] Optionally, in an embodiment of the present application, the non-grinding head end of the grinding head component includes at least one of the above-mentioned crimping grooves.

[0080] Exemplarily, a plurality of crimping grooves may be provided on the non-grinding head end of the grinding head component.

[0081] Exemplarily, the plurality of crimping grooves may be distributed in a circumferential form, that is, a plurality of crimping grooves may be distributed in a ring shape on the non-grinding head end.

[0082] Exemplarily, the number of the crimping grooves is inversely proportional to the depth of the crimping grooves. It is understandable that the more the number of the crimping grooves is, the shallower the depth of the crimping grooves is; the fewer the number of the crimping grooves is, the deeper the depth of the crimping grooves is.

[0083] In this way, by setting multiple crimping grooves, a crimping groove that is shallower than one crimping groove can be set on the non-grinding head end, thereby better ensuring that the roundness of the transmission connecting shaft is well maintained after crimping and avoiding excessive deformation.

[0084] Optionally, in an embodiment of the present application, one end of the transmission shaft connected to the transmission connecting shaft includes a crimping groove, and the crimping groove is used to accommodate interference material generated by the transmission connecting shaft when the transmission shaft is sleeved on the transmission connecting shaft.

[0085] It is understandable that the non-grinding head end of the grinding head component and one end of the transmission shaft are both inserted into the transmission connection shaft, and the grinding head component and the transmission shaft are fixedly connected through the transmission connection shaft. The above-mentioned fixed connection to the transmission shaft can be completed by sleeve crimping.

[0086] Furthermore, a crimping groove is provided on one end of the transmission shaft connected to the transmission connecting shaft. It can be seen from the above content that when the transmission shaft is sleeved in the transmission connecting shaft, it is fixedly connected by sleeve crimping. Specifically, during the crimping process, the transmission connecting shaft will produce a certain deformation due to the extrusion of the end of the transmission shaft connected to it. In the case that a crimping groove is provided on one end of the transmission shaft connected to the transmission connecting shaft, the deformed material of the transmission connecting shaft will be squeezed into the crimping groove.

[0087] Exemplarily, the shape of the crimping groove is circular, polygonal, etc.

[0088] Exemplarily, the depth of the crimping groove may be related to the material of the transmission connecting shaft. When the material hardness of the transmission connecting shaft is high, the depth is deeper; when the material hardness of the transmission connecting shaft is higher, the depth is shallower. This embodiment of the present application does not limit this.

[0089] In this way, by providing a crimping groove to accommodate the crimping material generated during the fixed connection between the transmission connecting shaft and the transmission shaft, the fixed connection performance between the transmission shaft and the transmission connecting shaft is made stronger, and the stability of the fixed connection is greatly improved.

[0090] Optionally, in an embodiment of the present application, one end of the transmission shaft connected to the transmission connecting shaft includes at least one of the above-mentioned crimping grooves.

[0091] Exemplarily, a plurality of crimping grooves may be provided on one end of the transmission shaft connected to the transmission connecting shaft.

[0092] Exemplarily, the plurality of crimping grooves may be distributed in a circumferential form, that is, a plurality of crimping grooves may be distributed in an annular form on one end where the transmission shaft is connected to the transmission connecting shaft.

[0093] Exemplarily, the number of the crimping grooves is inversely proportional to the depth of the crimping grooves. It is understandable that the more the number of the crimping grooves is, the shallower the depth of the crimping grooves is; the fewer the number of the crimping grooves is, the deeper the depth of the crimping grooves is.

[0094] In this way, by setting multiple crimping grooves, a crimping groove shallower than one can be set on the end where the transmission shaft and the transmission connecting shaft are connected, thereby better ensuring that the roundness of the transmission connecting shaft is well maintained after crimping and avoiding excessive deformation.

[0095] In the embodiment of the present application, the grinding head fixing component and the grinding head positioning component are fixedly arranged in the shaft sleeve component.

[0096] It is understandable that the grinding head fixing component and the grinding head positioning component are fixedly arranged on the inner side of the shaft sleeve component. Further, the grinding head fixing component and the grinding head positioning component are fixedly arranged on the shaft sleeve component near the exposed part of the grinding head component.

[0097] In the embodiment of the present application, the grinding head component is positioned along the first direction in the shaft sleeve component by the grinding head positioning component.

[0098] Exemplarily, the first direction is an axial direction of the shaft sleeve component.

[0099] It is understandable that in order to ensure that the grinding head component is convenient for operators to operate, the grinding head component needs to be positioned in the sleeve component. For example, the grinding head component is located at the central axis position of the sleeve component, or at a non-central axis position of the sleeve component.

[0100] Furthermore, different grinding head positioning components are used for different scenarios. For example, if the area to be ground is small, the grinding head component can be set at a non-central axis position of the sleeve component and the exposed grinding head portion is small. For another example, if the area of ​​the area to be ground is large, the grinding head component can also be set at a non-central axis position of the sleeve component and the exposed grinding head portion is large. For another example, if the area of ​​the area to be ground is moderate, the grinding head component can be set at the central axis position of the sleeve component and the exposed grinding head portion is moderate.

[0101] Furthermore, although the above-mentioned grinding head component is not necessarily consistent with the axis of the sleeve component in the sleeve component, the above-mentioned grinding head component is in the same direction as the axis of the sleeve component in the sleeve component, that is, the above-mentioned grinding head positioning component will position the grinding head component in the sleeve component along the same direction as the axis of the sleeve component during the process of positioning the grinding head component.

[0102] In an embodiment of the present application, the grinding head fixing component passes through the transmission connecting shaft and the sleeve component and is arranged in the fixed groove of the grinding head component, and the grinding head component and the grinding head positioning component are fixed in the transmission connecting shaft and the sleeve component along the second direction.

[0103] Exemplarily, the first direction and the second direction are perpendicular to each other.

[0104] It can be understood that in the embodiment of the present application, after the above-mentioned grinding head positioning component is positioned at the grinding head component, it is necessary to ensure that the relative positions of the grinding head component, the grinding head positioning component, the transmission connecting shaft and the sleeve component are fixed, so that the grinding head positioning component can be maintained at the position set for it during the subsequent high-speed rotation of the grinding head component driven by the transmission connecting shaft and the transmission shaft, and the safety of the operation can be guaranteed.

[0105] Furthermore, in order to ensure that the relative positions of the grinding head component, the grinding head positioning component, the transmission connecting shaft and the sleeve component are fixed, a fixed groove is provided on the non-grinding head side of the grinding head component, so that the grinding head fixing component can pass through the above-mentioned transmission connecting shaft and the sleeve component and be clamped in the fixed groove of the above-mentioned grinding head component, thereby fixing the relative positions of the grinding head component, the grinding head positioning component, the transmission connecting shaft and the sleeve component.

[0106] In the grinding head equipment provided in the embodiment of the present application, the grinding head equipment includes a grinding head component, a transmission connection shaft, a transmission shaft, a grinding head positioning component, a grinding head fixing component and a sleeve component. The non-grinding head end of the above-mentioned grinding head component and one end of the transmission shaft are respectively fixedly sleeved in the transmission connection shaft, and the above-mentioned transmission shaft is connected to the power motor and drives the above-mentioned grinding head component to rotate. The above-mentioned grinding head component fixing component and the above-mentioned grinding head positioning component are fixedly arranged in the above-mentioned sleeve component, and the above-mentioned grinding head component is positioned in the sleeve component along the axial direction of the sleeve component in the sleeve component through the above-mentioned grinding head positioning component. At the same time, the above-mentioned grinding head fixing component passes through the above-mentioned transmission connection shaft and the sleeve component and is arranged in the fixed groove of the grinding head component, and the above-mentioned grinding head component and the grinding head positioning component are fixed in the transmission connection shaft and the sleeve component in a direction perpendicular to the axial direction. In this way, by combining the grinding head positioning component and the grinding head fixing component, the grinding head component can be fixed in the sleeve component in a suitable position, which greatly improves the stability and fixity of the grinding head component and improves the safety of the grinding head during use.

[0107] In another embodiment of the present application, a specific structure of a grinding head positioning component and a specific arrangement method of the grinding head positioning component are also provided.

[0108] Optionally, in an embodiment of the present application, the grinding head component includes a grinding head and a grinding head connecting handle, the grinding head positioning component includes a grinding head sleeve, and the grinding head sleeve is fixedly arranged on the inner side of the sleeve mounting section in the sleeve component.

[0109] Exemplarily, the grinding head shaft sleeve is used to fix the position of the grinding head connecting handle in the shaft sleeve component, so as to position the grinding head component.

[0110] like Figure 1 and Figure 3 As shown, the grinding head component includes a grinding head and a grinding head connecting handle.

[0111] Exemplarily, the grinding head sleeve is arranged at a position inside the sleeve component corresponding to the position where the grinding head connecting handle needs to be positioned.

[0112] Exemplarily, the grinding head sleeve may be fixed to the inner side of the sleeve component by welding, by one-piece molding, or by clamping the grinding head sleeve on the sleeve component through a slot, which is not limited in the embodiments of the present application.

[0113] like Figure 3 As shown, the sleeve component includes a sleeve mounting section 12.

[0114] Optionally, when the grinding head sleeve is fixed on the inner side of the sleeve component by clamping the grinding head sleeve on the sleeve component through a clamping groove, in an embodiment of the present application, at least one sleeve positioning groove is provided on the grinding head sleeve 5, and at least one outer tube positioning groove matching with the sleeve positioning groove is provided on the sleeve mounting section.

[0115] like Figure 4 and Figure 5 As shown, Figure 5 The grinding head sleeve 5 has two sleeve positioning grooves 57 on both sides of the grinding head sleeve 5. Figure 4 An outer tube positioning groove matching the sleeve positioning groove 57 is also provided at a position of the middle sleeve installation section corresponding to the sleeve positioning groove 57 .

[0116] Exemplarily, snap-fit ​​components are provided on both sides of the outer tube positioning groove.

[0117] Exemplarily, the snap-fit ​​components are clamped on both sides of the outer tube positioning groove to position the grinding head sleeve on the sleeve mounting section.

[0118] Optionally, in the embodiment of the present application, the buckle component includes any one of the following: a resistance block, a circlip pliers or a vise

[0119] Exemplarily, in the case where the snap-fit ​​component is a resistance block, the snap-fit ​​component and the resistance block may be a retractable elastic block.

[0120] It can be understood that the above-mentioned resistance block adopts a retractable elastic pressure application method, so that when the grinding head sleeve is installed in the sleeve installation section, the grinding head sleeve can be rotated and moved back and forth so that the resistance block can be stuck in the sleeve positioning groove for positioning.

[0121] In this way, the problem that the installation position of the grinding head sleeve cannot be accurately determined can be solved by the above-mentioned resistance block, so that the grinding head sleeve can be positioned at a preset accurate position in the sleeve installation section.

[0122] Optionally, in an embodiment of the present application, the grinding head sleeve includes a positioning mounting hole, the positioning mounting hole is connected to the grinding head connecting handle, and the hole center position of the positioning mounting hole coincides or does not coincide with the center position of the sleeve mounting section.

[0123] Exemplarily, the positioning and mounting hole is used to determine the position of the grinding head component in the shaft sleeve component.

[0124] In one example, the hole center position of the above-mentioned positioning mounting hole coincides with the center position of the above-mentioned sleeve mounting section, then the positioning mounting hole is a non-eccentric positioning mounting hole, and accordingly, the subsequent grinding head component is also a non-eccentric grinding head component.

[0125] If the center position of the positioning mounting hole does not coincide with the center position of the shaft sleeve mounting section, the positioning mounting hole is an eccentrically arranged positioning mounting hole, and correspondingly, the subsequent grinding head component is also an eccentric grinding head component.

[0126] like Figure 1 and Figure 5 As shown, a positioning and mounting through hole 51 is opened in the above-mentioned grinding head sleeve 5, and a grinding head connecting handle 21 is provided on the grinding head 2. The grinding head connecting handle 21 is movably installed in the positioning and mounting hole 51, and one end of the transmission shaft 3 close to the grinding head connecting handle 21 is connected to the grinding head connecting handle 21 through a transmission connecting shaft 4.

[0127] Furthermore, after the grinding head sleeve 5 is set on the sleeve mounting section 12, the axis of the positioning mounting through hole 51 is eccentrically arranged with respect to the axis of the sleeve mounting section 12, and the direction of the axis of the positioning mounting hole 51 relative to the axis of the sleeve mounting section 12 is in the direction away from the grinding head sheath 11, that is, through the positioning mounting hole 51, a larger portion of the working surface of the grinding head 2 can be made to protrude from the upper surface of the sleeve mounting section 12, and at the same time, the gap between the grinding head 2 and the grinding head sheath 11 can be increased.

[0128] In this way, through the eccentric setting, on the one hand, it can prevent the grinding head from encountering resistance during the process of grinding tissue, causing it to vibrate and interfere with the grinding head sheath. On the other hand, the gap between the grinding head and the grinding head sheath can be increased to obtain a larger grinding head and a faster grinding rate.

[0129] In another example, the grinding head may be an eccentric grinding head.

[0130] Exemplarily, the cutting working surface of the grinding head protrudes from the upper surface of the sleeve mounting section.

[0131] In this way, during the upward grinding process of the grinding head, the grinding head can contact the tissue to be removed earlier than the upper surface of the sleeve mounting section, making it easy to adjust the angle of the grinding operation, thereby improving work efficiency.

[0132] Exemplarily, in the case where the above-mentioned sleeve component includes a grinding head sheath, as Figure 5 As shown, the end of the grinding head sleeve close to the grinding head sheath 11 is provided with a lower support arc surface 53, and the lower support arc surface 53 is concentric with the center of the positioning installation hole 51. The lower support arc surface 53 is located on one side close to the grinding head sheath 11.

[0133] In this way, the lower end of the grinding head can be more conveniently limited by additional support through the lower supporting arc surface. At the same time, since the pressure is toward the side of the lower supporting arc surface during the high-speed operation of the grinding head, such a setting can ensure that when the upper part of the grinding head squeezes the tissue to be removed, the support of the lower supporting arc surface ensures that the extrusion force acts on the lower supporting arc surface instead of directly on the inner wall of the positioning mounting hole, thereby preventing the grinding head from shaking and interfering with the grinding head, leading to the occurrence of dangerous accidents.

[0134] Further, such as Figure 5 As shown, the positioning and mounting hole 51 is provided with a first chamfer 52 on one side close to the grinding head 2 for making way for the backhoe groove of the grinding head connecting handle 21, and first fillets 54 are provided at both ends of the lower supporting arc surface 53. The first chamfer 52 and the first fillet 54 are used to avoid debris generated by friction during high-speed operation.

[0135] For example, Figure 6 As shown, a gasket 7 is provided at one end of the grinding head sleeve 5 close to the transmission connecting shaft 4 , and the gasket 7 is located between the transmission connecting shaft 4 and the grinding head sleeve 5 .

[0136] For example, Figure 6 As shown, the gasket 7 is movably arranged between the transmission connection shaft 4 and the grinding head sleeve 5 .

[0137] It is understandable that, generally, the transmission connection shaft and the end face cannot be kept level with the end face of the grinding head sleeve. In this way, the transmission connection shaft is prone to wear and tear of the end face of the grinding head sleeve during the rotation of the grinding head device, resulting in debris and vibration of the grinding head. By setting a gasket, the direct friction of the rotation of the transmission connection shaft on the end face of the grinding head sleeve can be reduced to avoid the generation of debris. At the same time, the movable setting of the gasket can reduce the transmission of vibration and reduce the vibration of the grinding head.

[0138] Furthermore, the gasket and the grinding head sleeve or the transmission connecting shaft can be integrally arranged.

[0139] Exemplarily, the above-mentioned integrated arrangement can be achieved by crimping, welding or gluing.

[0140] Exemplarily, the material of the gasket may be self-lubricating plastic or brass.

[0141] In this way, when the gasket is made of self-lubricating plastic or brass and is provided in an integrated manner, the problem of difficulty in assembly due to the parts being too small can be avoided.

[0142] In another embodiment of the present application, a specific structure of a grinding head fixing component and a specific arrangement method of the grinding head fixing component are also provided.

[0143] Optionally, in an embodiment of the present application, the above-mentioned fixed groove is a fixed ring groove opened on the above-mentioned grinding head connecting handle, and the above-mentioned fixed ring groove matches the above-mentioned grinding head fixing component.

[0144] Exemplarily, a first fixing opening is provided on the shaft sleeve mounting section, and a second fixing opening corresponding to the opening position of the first mounting opening is provided on the grinding head shaft sleeve.

[0145] Exemplarily, the grinding head fixing component passes through the first fixing opening and the second fixing opening, and is clamped in the fixing ring groove, so as to fix the grinding head component in the grinding head sleeve.

[0146] Exemplarily, it can be known from the above content that the above-mentioned grinding head positioning component, that is, the grinding head sleeve is arranged on the inner side of the above-mentioned sleeve mounting sleeve, and the grinding head connecting handle of the grinding head component is arranged in the sleeve connecting sleeve through the hole center sleeve of the grinding head sleeve. Because, by respectively opening the first fixed opening and the second fixed opening corresponding to the positions on the sleeve mounting sleeve and the grinding head sleeve, the grinding head fixing component is passed through the first fixed opening and the second fixed opening, and then the grinding head fixing component is clamped in the fixing ring groove matching the fixing part, the fixing of the grinding head component on the grinding head sleeve can be completed, and the overall fixing of the grinding head component, the grinding head sleeve and the sleeve mounting sleeve is completed at the same time.

[0147] The grinding head fixing component is divided into two types of fixing components, namely, the first fixing component and the second fixing component, and the first fixing opening and the second fixing opening matching with the two types of grinding head fixing components will be described below.

[0148] The first one is when the grinding head fixing component is the first fixing component, the fixing ring groove is the first fixing ring groove, the first fixing opening is the first fixing through hole, and the second fixing opening is the second fixing through hole.

[0149] Optionally, in an embodiment of the present application, the above-mentioned fixed ring groove is a first fixed ring groove opened on the above-mentioned grinding head connecting handle, and the above-mentioned first fixing member matches the above-mentioned first fixed ring groove.

[0150] Exemplarily, the first fixing member matches the first fixing ring groove in that: a cross-sectional shape of the first fixing ring groove corresponds to a cross-sectional shape of the first fixing member.

[0151] It can be understood that the first fixing member needs to be inserted into the first fixing ring groove later, and therefore, the cross-sectional shape of the first fixing member should correspond to the cross-sectional shape of the first fixing ring groove.

[0152] Furthermore, the cross-sectional shape of the first fixing ring groove corresponds to the cross-sectional shape of the first fixing member. The cross-sectional shape of the first fixing ring groove may be the same as the cross-sectional shape of the first fixing member, or may be any other shape that can clamp the first fixing member in the first fixing ring groove.

[0153] Exemplarily, a first fixing through hole is provided on the shaft sleeve mounting section, and a second fixing through hole corresponding to the first fixing through hole is provided on the grinding head shaft sleeve;

[0154] Exemplarily, the first fixing member passes through the first fixing through hole and the second fixing through hole, and is clamped in the first fixing ring groove, so as to fix the grinding head component on the grinding head sleeve and the sleeve mounting section.

[0155] In one example, the first fixing member may be a fixing pin.

[0156] Exemplarily, the first mounting hole and the second mounting hole are in a concentric state after the grinding head component is installed.

[0157] Exemplarily, the first fixing through hole can be a single-sided mounting hole on the sleeve mounting section, or can be mounting holes on multiple sides of the sleeve mounting section. Correspondingly, the second fixing through hole can be a single-sided mounting hole on the sleeve mounting section, or can be mounting holes on multiple sides of the sleeve mounting section.

[0158] like Figure 7 and Figure 8 As shown, Figure 7 and Figure 8 They are respectively used to show the side cross-sectional view of the grinding head equipment and the three-dimensional diagram of the grinding head equipment. Among them, the grinding head connecting handle 21 is provided with a first positioning ring groove 23, and the first positioning ring groove 23 is located in a section installed on the inner side of the positioning installation through hole 51. The side of the sleeve installation section 12 is provided with a first installation hole 121 (i.e., the first fixed opening or the first fixed through hole), and the grinding head sleeve 5 is provided with a second installation hole 55 (i.e., the second fixed opening or the second fixed through hole). When the grinding head sleeve 5 is installed on the inner side of the sleeve installation section 12, the second installation hole 55 is concentric with the first installation hole 121. The first fixing member, i.e., the fixing pin 6, is installed in the first fixing hole 121 of the fixing pin.

[0159] Furthermore, during the installation process, the fixing pin 6 passes through the first fixing pin installation hole 121 and the second fixing pin installation hole 55 , and the middle position of the fixing pin 6 is located in the first positioning ring groove 23 .

[0160] In this way, through the cooperation of the above-mentioned first positioning ring groove and the fixing pin, the self-locking installation of the grinding head component can be completed. When the transmission connecting shaft and / or the transmission shaft breaks or the crimping point of the transmission connecting shaft and the grinding head connecting handle is detached, the first positioning ring groove cooperates with the fixing pin to complete the axial and radial fixation of the grinding head, thereby greatly improving the safety and stability of the grinding head component during use.

[0161] Exemplarily, the cross-section of the first positioning ring groove may be semicircular, so that the inner wall of the first positioning ring groove may more closely contact the outer side of the fixing pin, thereby obtaining a more stable fixing effect.

[0162] Exemplarily, the first fixing member may be fixed by interference fit with the second fixing through hole and / or the first fixing through hole.

[0163] In an example, the second fixing through hole and / or the first fixing through hole may be provided with only one side through hole interfering with the fixing member.

[0164] Exemplarily, the first fixing member may be fixed to the second fixing through hole and / or the first fixing through hole may be fixed to the fixing member by welding.

[0165] The second type is when the grinding head fixing component is the second fixing component, the fixing ring groove is the second fixing ring groove, the first fixing opening is the first fixing groove, and the second fixing opening is the second fixing groove.

[0166] Optionally, in an embodiment of the present application, the above-mentioned fixed ring groove is a second fixed ring groove opened on the above-mentioned grinding head connecting handle, and the second fixed ring groove matches the above-mentioned second fixing piece.

[0167] Exemplarily, the second fixing member matches the second fixing ring groove in that: a cross-sectional shape of the second fixing ring groove corresponds to a cross-sectional shape of the second fixing member.

[0168] It is understandable that the second fixing member needs to be inserted into the second fixing ring groove later, and therefore, the cross-sectional shape of the second fixing member should correspond to the cross-sectional shape of the second fixing ring groove.

[0169] Furthermore, the cross-sectional shape of the second fixing ring groove corresponds to the cross-sectional shape of the second fixing member. The cross-sectional shape of the second fixing ring groove can be the same as the cross-sectional shape of the second fixing member, or can be any other shape that can clamp the second fixing member in the second fixing ring groove.

[0170] Exemplarily, a first fixing groove is formed on the shaft sleeve mounting sleeve, and a second mounting groove corresponding to the opening position of the first mounting groove is formed on the grinding head shaft sleeve.

[0171] It can be understood that the second mounting groove corresponding to the opening position of the first mounting groove is provided on the grinding head sleeve, which means that the first mounting groove and the second mounting groove can be aligned with each other to facilitate the subsequent passage of the second fixing member.

[0172] Furthermore, the slot size of the first installation slot and the slot size of the second installation slot correspond to the second fixing member.

[0173] Exemplarily, the second fixing member passes through the first fixing groove and the second fixing groove, and is clamped in the second fixing ring groove to fix the grinding head component in the grinding head sleeve.

[0174] In an example, the second fixing member is an arched bayonet component, and the arched bayonet component includes a vertical bayonet component.

[0175] Furthermore, the buckle spacing of the vertical buckle components matches the diameter of the second fixing ring groove.

[0176] Furthermore, the vertical buckle component is clamped on the second fixed ring groove to fix the grinding head component in the grinding head sleeve.

[0177] like Figures 9 to 12 As shown, Fig. 9 Used to show the side cross-section of the grinding head equipment, Fig.10 A 3D illustration showing the arched clip. Fig.11 A 3D illustration showing the grinding head sleeve mating with the arched clip. Fig.12 A three-dimensional diagram for showing the grinding head components that cooperate with the arched clip. A second positioning ring groove 24 is provided on the grinding head connecting handle 21. The second positioning ring groove 24 is located on a section installed on the inner side of the positioning mounting hole 51, and the opening portion thereof is a through opening. A first mounting groove 122 (also known as the first fixed opening or the first fixed groove) is provided above the sleeve mounting section 12, and a second mounting groove 56 (also known as the second fixed opening or the second fixed groove) is provided on the grinding head sleeve 5.

[0178] Specifically, during the process of installing the grinding head sleeve 5 in the sleeve installation section 12, the second installation groove 56 is aligned with the first installation groove 122, and the fixing buckle 8 (i.e., the second fixing member or the fixing member) can be installed in the first installation groove 122. During the process of installing the fixing buckle 8, the fixing buckle 8 is inserted into the first installation groove 122 and the second installation groove 56 in sequence, and the bottom end portions of the vertical bayonet parts 81 on both sides of the fixing buckle 8 are located in the second positioning ring groove 24, and the distance between the vertical bayonet parts 81 on both sides matches the diameter of the second positioning ring groove 24.

[0179] In this way, the self-locking installation of the grinding head component can be completed by the cooperation of the second positioning ring groove and the second fixing piece. When the transmission connecting shaft and / or the transmission shaft breaks or the crimping point between the transmission connecting shaft and the grinding head connecting handle is detached, the second positioning ring groove cooperates with the second fixing piece to complete the axial and radial fixation of the grinding head component.

[0180] Furthermore, since the cross-sectional shape of the second positioning ring groove matches the cross-sectional shape of the vertical bayonet parts on both sides of the fixing buckle, a more stable fixing effect can be obtained during the fixing process.

[0181] Exemplarily, the fixing buckle may be fixed in the second mounting groove by elastic resistance, or by welding, which is not limited in the embodiments of the present application.

[0182] Optionally, in an embodiment of the present application, a channel is opened on the grinding head sleeve in the same direction as the sleeve mounting section, and the channel is connected to a cavity formed between the transmission connection shaft and the grinding head component.

[0183] Exemplarily, the channel is used to accommodate the outflow of liquid in the cavity formed between the transmission connection shaft 4 and the grinding head component.

[0184] like Fig.13 As shown, the above-mentioned channel is a fluid channel, and the fluid channel is used to connect the cavity structure between the long shaft 1 and the transmission shaft 3 with the working surface of the grinding head 2.

[0185] In one way, Fig.11 As shown, a cutting surface 58 can be set on the side of the grinding head sleeve 5 to complete the connection between the cavity structure between the long axis 1 and the transmission shaft 3 and the working surface of the grinding head 2, so that a fluid channel is formed between the cutting surface 58 and the inner wall of the long axis 1. In this way, the processing difficulty of the grinding head sleeve 5 is relatively small and the fault tolerance rate is high.

[0186] In another way, Fig.13 As shown, a channel clearance groove 59 is provided on the side of the grinding head sleeve 5 , and the channel clearance groove 59 can retain more outer circumferential contour of the grinding head sleeve 5 , so that a fluid channel is formed between the clearance groove 59 and the inner wall of the slender shaft 1 .

[0187] In this way, the channel give way groove can avoid the problem of reduced installation stability of the grinding head sleeve 5 due to excessive loss of the outer circular contour of the grinding head sleeve caused by the setting of the aforementioned cutting surface. At the same time, compared with the method of opening an inner hole in the grinding head sleeve, the processing difficulty is reduced, which not only meets the high installation stability of the grinding head sleeve, but also ensures the advantages of convenient processing and high fault tolerance.

[0188] For the several modules or units mentioned in the above detailed description, this division is not mandatory. In fact, according to the embodiments of the present disclosure, the features and functions of two or more modules or units described above can be embodied in one module or unit. On the contrary, the features and functions of one module or unit described above can be further divided into multiple modules or units to be embodied.

[0189] It should be noted that for details not disclosed in the grinding head device for removing tissue in the embodiment of the present application, please refer to the details disclosed in the above embodiments of the present application, which will not be repeated here.

[0190] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of disclosure involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the aforementioned disclosed concept. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.

Claims

1. A grinding head device for removing tissue, characterized in that: The equipment comprises: a grinding head component, a transmission connecting shaft, a transmission shaft, a grinding head positioning component, a grinding head fixing component, and a shaft sleeve component; The non-grinding head end of the grinding head component and one end of the transmission shaft are respectively fixedly sleeved in the transmission connecting shaft, and the other end of the transmission shaft is connected to the power motor to drive the grinding head component to rotate; The grinding head fixing component and the grinding head positioning component are fixedly arranged in the shaft sleeve component; Positioning the grinding head component in the shaft sleeve component along a first direction by means of the grinding head positioning component; The grinding head fixing component passes through the transmission connection shaft and the shaft sleeve component and is arranged in the fixing slot of the grinding head component, so that the grinding head component and the grinding head positioning component are fixed in the transmission connection shaft and the shaft sleeve component along the second direction; The first direction is the axial direction of the shaft sleeve component, and the first direction and the second direction are perpendicular to each other.

2. The grinding head device for removing tissue according to claim 1, characterized in that: The grinding head component comprises a grinding head and a grinding head connecting handle, and the grinding head positioning component comprises a grinding head shaft sleeve, and the grinding head shaft sleeve is fixedly arranged on the inner side of the shaft sleeve mounting section in the shaft sleeve component; The grinding head connecting handle is fixed in the shaft sleeve component by the grinding head shaft sleeve to position the grinding head component.

3. The grinding head device for removing tissue according to claim 2, characterized in that: The grinding head shaft sleeve is provided with at least one shaft sleeve positioning groove, and the shaft sleeve mounting section is provided with at least one outer tube positioning groove matching with the shaft sleeve positioning groove; Buckle components are arranged on both sides of the outer tube positioning groove.

4. The grinding head device for removing tissue according to claim 3, characterized in that: The snap-fit ​​component includes any one of the following: an abutment block, a circlip pliers or a vise.

5. The grinding head device for removing tissue according to claim 2, characterized in that: The grinding head sleeve comprises a positioning and mounting hole, the positioning and mounting hole is connected to the grinding head connecting handle, and the hole center position of the positioning and mounting hole coincides or does not coincide with the center position of the sleeve mounting section.

6. The grinding head device for removing tissue according to claim 2, characterized in that: The fixed groove is a fixed ring groove opened on the grinding head connecting handle, and the fixed ring groove matches the grinding head fixing component; The sleeve mounting section is provided with a first fixed opening, and the grinding head sleeve is provided with a second fixed opening corresponding to the opening position of the first mounting opening; The grinding head fixing component passes through the first fixing opening and the second fixing opening, and is clamped in the fixing ring groove to fix the grinding head component in the grinding head sleeve.

7. The grinding head device for removing tissue according to claim 6, characterized in that: When the grinding head fixing component includes a first fixing member, the fixing ring groove is a first fixing ring groove opened on the grinding head connecting handle; A first fixing through hole is formed on the sleeve installation section, and a second fixing through hole corresponding to the first fixing through hole is formed on the grinding head sleeve; The first fixing member passes through the first fixing through hole and the second fixing through hole, and is clamped in the first fixing ring groove to fix the grinding head component on the grinding head sleeve and the sleeve mounting section.

8. The grinding head device for removing tissue according to claim 7, characterized in that: The cross-sectional shape of the first fixing ring groove corresponds to the cross-sectional shape of the first fixing member.

9. The grinding head device for removing tissue according to claim 6, characterized in that: When the grinding head fixing component includes a second fixing member, the fixing ring groove is a second fixing ring groove opened on the grinding head connecting handle, and the second fixing ring groove matches the second fixing member; The sleeve mounting sleeve is provided with a first fixing groove, and the grinding head sleeve is provided with a second mounting groove corresponding to the opening position of the first mounting groove; The second fixing member passes through the first fixing groove and the second fixing groove, and is clamped in the second fixing ring groove to fix the grinding head component in the grinding head sleeve.

10. The grinding head device for removing tissue according to claim 9, characterized in that: The second fixing member is an arched bayonet component, and the arched bayonet component includes a vertical bayonet component; The vertical bayonet component is clamped on the second fixed ring groove to fix the grinding head component in the grinding head sleeve.

11. The grinding head device for removing tissue according to claim 1, characterized in that: The sleeve component includes at least one bent section.

12. The grinding head device for removing tissue according to claim 1, characterized in that: The non-grinding head end of the grinding head component connected to the transmission connecting shaft includes a crimping groove, and the crimping groove is used to accommodate the interference material generated by the transmission connecting shaft when one end of the grinding head component is sleeved on the transmission connecting shaft.

13. The grinding head device for removing tissue according to claim 1, characterized in that: The transmission shaft, the transmission connecting shaft and the grinding head component are arranged in a sleeve component, and a cavity is formed between the sleeve component and the transmission shaft, the transmission connecting shaft and the grinding head positioning component.

14. The grinding head device for removing tissue according to claim 1, characterized in that: The sleeve component comprises a long shaft, a sleeve mounting section, and a grinding head sheath, and the grinding head sheath and the long shaft are connected via the sleeve mounting section.

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