CN218960907U

CN218960907U - Medical planing tool and high-frequency planing equipment

Info

Publication number: CN218960907U
Application number: CN202223499726.3U
Authority: CN
Inventors: 郭毅军; 王永贤; 刘君
Original assignee: Chongqing Xishan Science and Technology Co Ltd
Current assignee: Chongqing Xishan Science and Technology Co Ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-05
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to a medical planing tool and high-frequency planing equipment.A conductive material is adopted for an outer tool pipe, and a sleeving cavity and a tool bit are arranged on the outer tool pipe; the first electric connection part is arranged at one end of the outer cutter tube, which is far away from the cutter head, and is electrically connected with the outer cutter tube; the inner cutter pipe part is rotatably arranged in the sleeving cavity, and one end of the inner cutter pipe extends to the cutter head; one end of the neutral electrode piece is provided with a second electric connection part. When in use, the first electric connection part, the outer cutter tube, the affected part, the neutral electrode piece, the second electric connection part and the high-frequency generator form a closed loop; when the inner cutter tube rotates relative to the outer cutter tube to rotationally cut the affected part, high-frequency energy can be transmitted to the affected part to enable tissue protein at the cut part to be denatured so as to quickly stop bleeding and coagulate blood, and the cut part is not required to be subjected to hemostatic treatment by adopting an additional hemostatic instrument, so that the operation intensity of doctors is reduced, the use is convenient, the operation efficiency and success rate are improved, the hemostasis can be timely and quickly realized, and the safety of patients is ensured.

Description

Medical planing tool and high-frequency planing equipment

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a medical planing tool and high-frequency planing equipment.

Background

The medical planing tool is a surgical instrument widely applied to the excision of human soft tissues, and generally consists of an inner cutter tube and an outer cutter tube, wherein the inner cutter tube can rotate along the axis of the inner cutter tube relative to the outer cutter tube, and the planing is realized by the internal and external shearing cooperation in the rotating process. In the surgical operation process, when the medical planing tool is adopted to rotationally cut the tissue of the focus area, bleeding is easy to be caused. The traditional way is to apply a hemostatic treatment to the bleeding site with other hemostatic instruments, such as hemostatic forceps. The traditional mode increases the operation steps, and the doctor has low operation efficiency and affects the safety of patients to a certain extent.

Disclosure of Invention

Based on the above, it is necessary to provide a medical planing tool and a high-frequency planing device for solving the problem that the operation efficiency of doctors is low and the safety of patients is affected to a certain extent.

The technical scheme is as follows:

in one aspect, a medical planing tool is provided, comprising:

the outer cutter tube is made of conductive materials and is provided with a sleeving cavity and a cutter head;

the first electric connection part is arranged at one end of the outer cutter tube, which is far away from the cutter head, and is electrically connected with the outer cutter tube;

the inner cutter pipe part is rotatably arranged in the sleeving cavity, and one end of the inner cutter pipe extends to the cutter head;

and one end of the neutral electrode piece is provided with a second electric connection part.

The technical scheme is further described as follows:

in one embodiment, a first outer cutter handle is arranged at one end of the outer cutter tube, which is far away from the cutter head, and the first electric connection part is arranged on the first outer cutter handle and extends to be electrically connected with the outer cutter tube; the outer side wall of the first outer cutter handle is provided with a matching part matched with the power device, and the first electric connection part can be electrically connected with the high-frequency generator through the power device.

In one embodiment, the first electrical connection portion includes a conductive ring and a conductive sleeve, the conductive ring is sleeved on an outer side wall of the first outer cutter handle to be electrically connected with the high-frequency generator through the power device, the first outer cutter handle is sleeved on an outer side wall of the conductive sleeve, and the conductive ring is electrically connected with the outer cutter tube through the conductive sleeve.

In one embodiment, the matching part is an annular clamping groove matched with the power device in a clamping way and a step groove communicated with the annular clamping groove and matched with the power device in a sleeving way, and the step groove is arranged close to the cutter head relative to the annular clamping groove.

In one embodiment, the medical planing tool further comprises a first insulation sleeve, the first insulation sleeve is sleeved on the outer side wall of the outer cutter tube, the cutter head is located outside the first insulation sleeve, and the first insulation sleeve is partially located between the first outer cutter handle and the outer cutter tube.

In one embodiment, a second outer cutter handle is arranged at one end of the outer cutter tube, which is far away from the cutter head, and the first electric connection part is arranged on the outer side wall of the outer cutter tube and is adjacent to the second outer cutter handle.

In one embodiment, the first electrical connection portion includes a conductive clip and a connection wire, the conductive clip is clamped on an outer side wall of the outer cutter tube and is electrically connected with the outer cutter tube, the conductive clip is disposed adjacent to the second outer cutter handle, and the conductive clip is electrically connected with the high-frequency generator through the connection wire.

In one embodiment, the medical planing tool further comprises a second insulation sleeve, the second insulation sleeve is sleeved on the outer side wall of the outer cutter tube, the cutter head is located outside the second insulation sleeve, and the second insulation sleeve extends to be in contact with the conductive clamp.

In one embodiment, the medical planing tool further comprises a power device, and the power device is in transmission connection with one end of the inner cutter tube away from the cutter head so as to drive the inner cutter tube to rotate relative to the outer cutter tube.

On the other hand, a high-frequency planing device is provided, which comprises a high-frequency generator and the medical planing tool, wherein the first electric connection part and the second electric connection part are electrically connected with the high-frequency generator.

When the medical planing tool and the high-frequency planing equipment are used, the neutral electrode piece is fixed near a part of a human body needing to be subjected to an operation in a bonding or clamping mode, and the second electric connection part of the neutral electrode piece is electrically connected with the high-frequency generator, so that an affected part and the second electric connection part form a circuit; then the cutter head of the outer cutter tube is inserted into the affected part, so that the first electric connection part is electrically connected with the high-frequency generator, a circuit is formed among the affected part, the outer cutter tube and the first electric connection part, and a closed loop is formed among the first electric connection part, the outer cutter tube, the affected part, the neutral electrode piece, the second electric connection part and the high-frequency generator; when the inner cutter tube rotates relative to the outer cutter tube to rotationally cut the affected part, high-frequency energy can be transmitted to the affected part to enable tissue protein at the cut part to be denatured so as to quickly stop bleeding and coagulate blood, and the cut part is not required to be subjected to hemostatic treatment by adopting an additional hemostatic instrument, so that the operation intensity of doctors is reduced, the use is convenient, the operation efficiency and success rate are improved, the hemostasis can be timely and quickly realized, and the safety of patients is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of a medical planing tool according to one embodiment;

FIG. 2 is an enlarged partial view of the portion A of the medical planing tool of FIG. 1;

FIG. 3 is a schematic view of the neutral electrode assembly of the medical planing tool of FIG. 1;

FIG. 4 is a schematic view of a medical planing tool according to another embodiment;

fig. 5 is an enlarged partial view of the portion B of the medical planing tool of fig. 4.

Reference numerals illustrate:

100. an outer cutter tube; 110. a cutter head; 200. a first electrical connection; 210. a conductive ring; 220. a conductive sleeve; 230. a conductive clip; 240. connecting wires; 300. an inner cutter tube; 310. an inner knife handle; 400. a neutral electrode member; 410. a second electrical connection; 500. a first outer handle; 510. a mating portion; 511. an annular clamping groove; 512. a step groove; 600. a first insulating sleeve; 700. a second outer handle; 800. and a second insulating sleeve.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In one embodiment, a high frequency planing device is provided, comprising a high frequency generator and a medical planing tool. So, when carrying out the operation, medical planing cutter can carry out rotatory excision to focus district tissue, simultaneously, high frequency generator can provide high frequency energy for medical planing cutter, thereby make the tissue protein denaturation of excision department reach hemostatic and the effect of blood coagulation, need not to adopt extra hemostatic instrument to carry out hemostatic treatment to excision department, alleviateed doctor's operation intensity, convenient to use improves operation efficiency and success rate, also can in time, stanch fast, guarantee patient's safety.

The high-frequency generator can be any existing instrument capable of providing high-frequency energy for the medical planing tool, and the high-frequency generator can be electrically connected with the medical planing tool in a wire connection mode.

As shown in fig. 1 to 3, in one embodiment, a medical planing tool is provided, comprising an outer cutter tube 100, a first electrical connection 200, an inner cutter tube 300 and a neutral electrode member 400.

Wherein, outer sword pipe 100 can adopt electrically conductive material such as stainless steel to outer sword pipe 100 is equipped with the cup joint chamber that extends along self axial, and moreover, the one end of outer sword pipe 100 still is equipped with tool bit 110, utilizes tool bit 110 to insert focus department.

The first electrical connection portion 200 is disposed at an end of the outer cutter tube 100 away from the cutter head 110, and the first electrical connection portion 200 is electrically connected with the outer cutter tube 100, and the first electrical connection portion 200 is electrically connected with the high-frequency generator, so that high-frequency energy of the high-frequency generator can be transmitted to the outer cutter tube 100 through the first electrical connection portion 200.

Wherein, the inner cutter tube 300 is partially rotatably disposed in the socket cavity, and one end of the inner cutter tube 300 extends to the cutter head 110, so that the affected part is rotationally resected by the rotation of the inner cutter tube 300 relative to the outer cutter tube 100.

Specifically, the cutter head 110 may be a pointed end, a notch is provided at the cutter head 110, the inner cutter tube 300 extends to the notch, and when the cutter head 110 is plugged into the affected part, the inner cutter tube 300 rotates relative to the outer cutter tube 100, so that the affected part can be rotationally resected.

To drive rotation of the inner cutter tube 300 relative to the outer cutter tube 100, in one embodiment, the medical planing tool further comprises a power device (not shown). The power device is in transmission connection with one end of the inner cutter tube 300, which is far away from the cutter head 110, so that the inner cutter tube 300 is driven by the power device to rotate relative to the outer cutter tube 100 to rotationally cut the affected part.

Wherein the power means may be a rotary motor or other apparatus capable of providing rotary motion. The power device and the inner cutter tube 300 can be in transmission connection through sleeve connection, clamping connection or matching of a key and a key groove, and the like, and only the torque of the power device can be transmitted to the inner cutter tube 300.

Specifically, the end of the inner cutter tube 300 far away from the cutter head 110 is arranged outside the sleeve joint cavity, and the end of the inner cutter tube 300 far away from the cutter head 110 is provided with an inner cutter handle 310, and the inner cutter handle 310 is provided with a clamping groove matched with the power device in a clamping way, so that the power device can drive the inner cutter tube 300 to rotate around the central axis of the inner cutter tube 300 relative to the outer cutter tube 100.

The neutral electrode member 400 may have a plate-like or sheet-like structure, and one end of the neutral electrode member 400 is provided with a second electrical connection portion 410, so that the second electrical connection portion 410 may be electrically connected to the high-frequency generator, thereby electrically connecting the neutral electrode member 400 to the high-frequency generator.

Alternatively, the second electrical connection portion 410 may be in the form of a connector, a plug, or the like, as long as it is capable of electrically connecting with the high frequency generator. The neutral electrode member 400 can be electrically connected with the second electrical connection portion 410 by using a conductive wire, so that the radius can be increased, and the use is more convenient.

When the medical planing tool of the embodiment is used, the neutral electrode member 400 is fixed near a part of a human body to be operated by adopting modes such as attaching or clamping, and the second electric connection part 410 of the neutral electrode member 400 is electrically connected with the high-frequency generator, so that a circuit is formed by an affected part and the second electric connection part 410; then, the cutter head 110 of the outer cutter tube 100 is inserted into the affected part, so that the first electric connection part 200 is electrically connected with the high-frequency generator, and the affected part, the outer cutter tube 100 and the first electric connection part 200 form a circuit, and the first electric connection part 200, the outer cutter tube 100, the affected part, the neutral electrode piece 400, the second electric connection part 410 and the high-frequency generator form a closed loop; when the inner cutter tube 300 rotates relative to the outer cutter tube 100 to rotate and cut the affected part, high-frequency energy can be transmitted to the affected part to enable tissue proteins at the cut part to be denatured and quickly hemostasis and coagulate, and the cut part is not required to be subjected to hemostasis treatment by adopting an additional hemostasis instrument, so that the operation intensity of doctors is reduced, the use is convenient, the operation efficiency and success rate are improved, hemostasis can be timely and quickly carried out, and the safety of patients is ensured.

The arrangement of the first electrical connection portion 200 may be flexibly adjusted or designed according to actual use requirements.

As shown in fig. 1 and 2, in one embodiment, a first outer cutter handle 500 is disposed at an end of the outer cutter tube 100 away from the cutter head 110, and specifically, the first outer cutter handle 500 may be made of an insulating material such as ceramic. The first electrical connection portion 200 is disposed on the first outer cutter handle 500 and extends to be electrically connected to the outer cutter tube 100. Meanwhile, the outer side wall of the first outer cutter handle 500 is provided with a matching part 510 matched with a power device, the matching part 510 is arranged close to the cutter head 110 relative to the first electric connection part 200, the first electric connection part 200 can be electrically connected with a high-frequency generator through the power device, namely, when the power device is matched and connected with the first outer cutter handle 500 through the matching part 510, the first electric connection part 200 and the high-frequency generator are electrically connected with the power device, so that an affected part, the outer cutter tube 100, the first electric connection part 200 and the power device form a circuit, and then the power device, the first electric connection part 200, the outer cutter tube 100, the affected part, the neutral electrode part 400, the second electric connection part 410 and the high-frequency generator form a closed loop.

The outer cutter tube 100 and the first outer cutter handle 500 may be connected by adopting a plug-in fit or a screw-thread fit.

The power device is provided with a socket cavity, the first outer cutter handle 500 is inserted into the socket cavity, so that the power device is matched with the matching part 510, the power device is further assembled and connected with the first outer cutter handle 500, and the first electric connection part 200 is electrically connected with the high-frequency generator through the same power device.

As shown in fig. 2, specifically, the first electrical connection portion 200 includes a conductive ring 210 and a conductive sleeve 220. The conductive ring 210 is sleeved on the outer sidewall of the first outer cutter handle 500 to be electrically connected with the high-frequency generator through a power device, and the outer cutter handle is sleeved on the outer sidewall of the conductive sleeve 220 to electrically connect the conductive ring 210 with the outer cutter tube 100 through the conductive sleeve 220. Thus, when the power device is matched and connected with the first outer cutter handle 500 through the matching portion 510, the conductive ring 210 and the high-frequency generator are electrically connected with the power device, and the outer cutter tube 100 and the conductive ring 210 are electrically connected with the conductive sleeve 220, so that the affected part, the outer cutter tube 100, the conductive sleeve 220, the conductive ring 210 and the power device form a circuit, and further the power device, the conductive ring 210, the conductive sleeve 220, the outer cutter tube 100, the affected part, the neutral electrode piece 400, the second electric connection portion 410 and the high-frequency generator form a closed loop.

More specifically, the outer side wall of the first outer cutter handle 500 is provided with a mounting groove for mounting the conductive ring 210, the first outer cutter handle is provided with a socket cavity for inserting one end of the outer cutter tube 100 far away from the cutter head 110, the conductive sleeve 220 is arranged in the socket cavity, one end of the conductive sleeve 220 is electrically contacted with the conductive ring 210, and the other end of the conductive sleeve 220 is sleeved on the outer side wall of the outer cutter tube 100 and is electrically contacted with the outer cutter tube 100.

The fitting portion 510 is connected to the power device by a clamping manner.

As shown in fig. 2, in one embodiment, the engaging portion 510 is configured as an annular clamping groove 511 engaged with the power device and a step groove 512 communicated with the annular clamping groove 511 and engaged with the power device in a sleeved manner, and the step groove 512 is disposed near the cutter head 110 relative to the annular clamping groove 511. Thus, when the first outer cutter handle 500 is inserted into the sleeving cavity of the power device, the end part of the power device is sleeved in the step groove 512, and the structures such as the flange on the inner side wall of the sleeving cavity are clamped into the clamping groove, so that the power device and the first outer cutter handle 500 are stably and reliably connected. And, the power device is assembled and connected with the inner cutter handle 310, so that the power device can drive the inner cutter tube 300 to rotate relative to the outer cutter tube 100.

The first electrical connection portion 200 (conductive ring 210) is electrically connected to the high-frequency generator through the power device, and the power device may be provided with a structure such as a contact or a wire electrically connected to the first electrical connection portion 200 (conductive ring 210) and the high-frequency generator, respectively, so that the first electrical connection portion 200 (conductive ring 210) is electrically connected to the high-frequency generator.

As shown in fig. 2, the medical planing tool further comprises a first insulation sleeve 600. The first insulating sleeve 600 is sleeved on the outer side wall of the outer cutter tube 100, and the cutter head 110 is located outside the first insulating sleeve 600, so that the cutter head 110 can be inserted into an affected part and contacted with the affected part to realize electrical connection. And, the first insulating sleeve 600 is partially located between the first outer cutter handle 500 and the outer cutter tube 100, i.e., the first insulating sleeve 600 extends to the sleeving part of the first outer cutter handle 500 and the outer cutter tube 100. Thus, the contact area between the affected part and the outer cutter tube 100 can be reduced by using the isolation effect of the first insulating sleeve 600, and the outer cutter tube 100 is prevented from being excessively contacted with the affected part to cause excessive damage to the affected part after being electrically conducted.

The first insulating sleeve 600 may be made of medical rubber or medical silica gel.

As shown in fig. 4 and 5, in one embodiment, a second outer cutter handle 700 is disposed at an end of the outer cutter tube 100 away from the cutter head 110, and specifically, the second outer cutter handle 700 may be made of an insulating material such as ceramic. The first electrical connection portion 200 is disposed on an outer sidewall of the outer cutter tube 100. In this way, only the first electrical connection portion 200 is connected to the outer side wall of the outer cutter tube 100, so that the electrical connection between the first electrical connection portion 200 and the outer cutter tube 100 can be achieved. And, the first electric connection part 200 is disposed adjacent to the second outside handle 700 such that the first electric connection part 200 does not interfere with or affect the insertion of the outside blade tube 100 into the affected part.

The outer cutter tube 100 and the second outer cutter handle 700 may be connected by a plug-in fit or a screw-thread fit.

The first electrical connection portion 200 and the outer sidewall of the outer cutter tube 100 may be electrically connected by sleeving and clamping.

As shown in fig. 5, in one embodiment, the first electrical connection 200 includes a conductive clip 230 and a connection wire 240. The conductive clip 230 is clamped on the outer sidewall of the outer cutter tube 100, so that the conductive clip 230 is electrically connected with the outer cutter tube 100. And, the conductive clip 230 is disposed adjacent to the second outer cutter handle 700, so that the conductive clip 230 will not interfere with or affect the insertion of the outer cutter tube 100 into the affected part, and meanwhile, the conductive clip 230 and the high-frequency generator are directly electrically connected through the connecting wire 240, which is simple and convenient, and does not need to improve other devices, so that the use cost is low.

The connection wire 240 may be electrically connected to the high frequency generator through a connector.

As shown in fig. 5, the medical planing tool further comprises a second insulation sleeve 800. The second insulating sleeve 800 is sleeved on the outer side wall of the outer cutter tube 100, and the cutter head 110 is located outside the second insulating sleeve 800, so that the cutter head 110 can be inserted into an affected part and contacted with the affected part to realize electrical connection. And, the second insulating sleeve 800 extends to contact with the conductive clip 230, so, by utilizing the isolation effect of the second insulating sleeve 800, the contact area between the affected part and the outer cutter tube 100 can be reduced, and the damage to the affected part caused by excessive electrical conduction due to excessive contact between the outer cutter tube 100 and the affected part is avoided. At the same time, the second insulating sleeve 800 does not affect the electrical connection between the conductive clip 230 and the outer cutter tube 100.

The second insulating sleeve 800 may be made of medical rubber or medical silica gel.

The "body" and "certain portion" may be a part of the corresponding "member", that is, the "body" and "certain portion" are integrally formed with the other portion of the "member"; or a separate component which is separable from the other part of the component, namely, a certain body and a certain part can be independently manufactured and then combined with the other part of the component into a whole. The expressions of "a body" and "a portion" are merely examples, which are intended to facilitate reading, but not to limit the scope of protection of the present application, so long as the features described above are included and the actions are the same, it should be understood that the utility model is equivalent to the technical solutions described herein.

It should be noted that the components included in the "units", "assemblies", "mechanisms" and "devices" of the present application may be flexibly combined, i.e. may be produced in a modularized manner according to actual needs, so as to facilitate modularized assembly. The above-mentioned components are only one embodiment, and for convenience of reading, not limitation of the scope of protection of the present application, so long as the above components are included and the same function should be understood as the equivalent technical solutions of the present application.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. The term "and/or" as used in this utility model includes any and all combinations of one or more of the associated listed items.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "mounted," "positioned," "secured" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when one element is considered as "fixed transmission connection" and the other element, the two elements may be fixed in a detachable connection manner, or may be fixed in a non-detachable connection manner, so that power transmission can be achieved, for example, sleeving, clamping, integrally forming and fixing, welding, etc., which may be achieved in the prior art, and no more details are needed. When an element is perpendicular or nearly perpendicular to another element, it is meant that the ideal conditions for both are perpendicular, but certain vertical errors may exist due to manufacturing and assembly effects. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

It will be further understood that when interpreting the connection or positional relationship of elements, although not explicitly described, the connection and positional relationship are to be interpreted as including the range of errors that should be within an acceptable range of deviations from the particular values as determined by those skilled in the art. For example, "about," "approximately," or "substantially" may mean within one or more standard deviations, and is not limited herein.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A medical planing tool, comprising:

2. The medical planing tool according to claim 1, wherein the end of the outer cutter tube away from the cutter head is provided with a first outer cutter handle, and the first electric connection part is arranged on the first outer cutter handle and extends to be electrically connected with the outer cutter tube; the outer side wall of the first outer cutter handle is provided with a matching part matched with the power device, and the first electric connection part can be electrically connected with the high-frequency generator through the power device.

3. The medical planing tool according to claim 2, wherein the first electrical connection portion comprises a conductive ring and a conductive sleeve, the conductive ring being sleeved on the outer side wall of the first outer cutter handle to be electrically connected with the high frequency generator through the power device; the first outer cutter handle is sleeved on the outer side wall of the conductive sleeve, and the conductive ring is electrically connected with the outer cutter tube through the conductive sleeve.

4. The medical planing tool according to claim 2, wherein the engagement portion is provided with an annular clamping groove engaged with the power device in a clamping manner and a step groove communicated with the annular clamping groove and engaged with the power device in a sleeved manner, and the step groove is provided close to the tool bit relative to the annular clamping groove.

5. The medical planing tool according to claim 2, further comprising a first insulation sleeve, the first insulation sleeve being disposed on a portion outer side wall of the outer cutter tube, the cutter head being disposed outside the first insulation sleeve, and the first insulation sleeve portion being disposed between the first outer cutter handle and the outer cutter tube.

6. The medical planing tool according to claim 1, wherein the end of the outer cutter tube remote from the cutter head is provided with a second outer cutter handle, and the first electrical connection portion is provided on an outer side wall of the outer cutter tube and is provided adjacent to the second outer cutter handle.

7. The medical planing tool according to claim 6, wherein the first electrical connection portion comprises a conductive clip and a connection wire, the conductive clip is clamped on the outer side wall of the outer cutter tube and is electrically connected with the outer cutter tube, the conductive clip is disposed adjacent to the second outer cutter handle, and the conductive clip is electrically connected with the high frequency generator through the connection wire.

8. The medical planing tool according to claim 7, further comprising a second insulation sleeve, the second insulation sleeve being disposed over the outer side wall of the outer cutter tube, the cutter head being disposed outside the second insulation sleeve, and the second insulation sleeve extending into contact with the conductive clip.

9. A medical planing tool according to any one of claims 1 to 8, further comprising a power device drivingly connected to an end of the inner cutter tube remote from the cutter head for driving rotation of the inner cutter tube relative to the outer cutter tube.

10. A high frequency planing device comprising a high frequency generator and a medical planing tool according to any one of claims 1 to 9, wherein the first electrical connection and the second electrical connection are both electrically connected to the high frequency generator.