Smoke suction electrotome with replaceable smoke suction pipe
By designing removable smoking pipes and electrodes, combining the integrated injection molded electric knife body and fully isolated circuit components, the problem of the fixed length of the smoking pipes and electrodes and the circuit components in the smoking electric knife is solved, and a variety of length selection and electrical safety protection are achieved.
Patent Information
- Application Number
- CN202420545957.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-20
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-03-20
AI Technical Summary
In existing smoking electric knives, the smoking pipe and electrode are usually fixed lengths and cannot be replaced. There is an installation gap between the smoking runner and the internal circuit components, which can easily lead to damage to the circuit components.
A smoking electric knife with replaceable smoking pipe is designed, including a removable electrode cutting head and smoking pipe. The main body of the electric knife reduces the volume and increases the cross-sectional area of the smoking channel through integrated injection molding. The length of the smoking pipe is optional, and the circuit components are completely isolated from the smoking channel.
It realizes a variety of length choices of smoking pipes and electrodes, which are suitable for different surgical needs, enhances smoking flow, protects circuit components safety, and reduces the impact of bellows on surgical flexibility.
Smart Images

Figure CN222828649U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of medical instruments, in particular to a smoking electric knife with a replaceable smoking tube. Background Art
[0002] The smoking electric knife is a common surgical tool. During surgical cutting, smoke is generated, which blocks the doctor's vision and affects the normal progress of the operation. Therefore, most electric knives now have a smoke absorption function. The smoke generated by the operation is sucked out through a vacuum adsorption device to ensure the normal and smooth progress of the operation.
[0003] The smoking tube and electrode of the existing smoking electrosurgical knife are usually of fixed length and cannot be replaced, which is not suitable for the needs of different surgeries; there is a certain installation gap between the smoking flow channel in the smoking electrosurgical knife and the circuit components inside it. When the smoking electrosurgical knife is used in surgery, some waste liquid generated during the surgery is often sucked into the smoking flow channel, which may cause damage to the circuit components; therefore, a smoking electrosurgical knife with a replaceable smoking tube is proposed. Utility Model Content
[0004] The main purpose of the utility model is to provide a smoking electric knife with a replaceable smoking tube, so as to solve the above technical problems.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a smoking electric knife with a replaceable smoking pipe, comprising an electrode knife head, a smoking pipe, an electric knife body and a rotating tail joint, wherein the electrode knife head and the smoking pipe are both detachably connected to the electric knife body, and the length of the smoking pipe can be selectively set; the electric knife body comprises an integrally injection-molded straight barrel portion, an installation cavity is formed on the straight barrel portion, a circuit component is arranged in the installation cavity, an upper cover is provided on the installation cavity, and a smoking channel is arranged in the straight barrel portion; the rotating tail joint is detachably connected to the tail end of the electric knife body.
[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: the head end of the electrosurgical knife body is provided with a connecting part, the connecting part is provided with a spiral groove, and the smoking tube is connected to the connecting part through the spiral groove.
[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: an electrode socket is provided at the head end of the straight tube portion, a hexagonal positioning groove is provided on the electrode socket, and the electrode blade head is installed in the hexagonal positioning groove.
[0008] On the basis of the above solution and as a preferred solution of the above solution: a button groove is provided on the surface of the upper cover, and a button is provided in the button groove.
[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: the length of the smoking tube is 30mm-165mm.
[0010] On the basis of the above scheme and as a preferred scheme of the above scheme: the smoking channel is arranged at a position below the bottom wall of the installation cavity, and the circuit component is detachably installed at a position above the bottom wall of the installation cavity.
[0011] The beneficial effects of the utility model are as follows:
[0012] 1. The main body of the electric knife in the utility model is integrally injection molded, which reduces the overall volume while increasing the cross-sectional area and sealing of the smoking channel, thereby indirectly achieving the purpose of increasing the smoking flow rate;
[0013] 2. The end of the electrode blade is connected to the main body of the electrosurgical unit through a hexagonal positioning groove, which takes into account both convenience and firmness; the smoking tube is connected to the main body of the electrosurgical unit through the rotating structure of the spiral groove of the connecting part. This design is replaceable and removable, so that the length of the smoking tube and the electrode blade can be selected in a variety of lengths, which can be applied to different surgical needs;
[0014] 3. The circuit assembly is installed above the bottom wall of the installation cavity, which is completely isolated from the smoking channel, which more effectively protects the safety of the electrical appliances. The rotating tail joint component is connected to the tail end of the electric knife body, which reduces the influence of the bellows on the flexibility during the operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is an overall exploded view of the utility model;
[0016] Figure 2 It is a schematic diagram of various smoking pipes in the utility model;
[0017] Figure 3 It is a cross-sectional view of the electric knife body in the utility model.
[0018] The reference numerals include: 1-electrode blade; 2-smoking tube; 3-straight tube; 30-connecting part; 31-smoking channel; 300-spiral groove; 4-installation cavity; 5-circuit assembly; 6-upper cover; 60-button slot; 7-button; 8-rotating tail joint. DETAILED DESCRIPTION
[0019] In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments. However, the specific implementation methods and embodiments described below are for illustrative purposes only and are not intended to limit the present invention.
[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0021] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0022] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0023] See attached figure Figure 1 In this embodiment, a smoking electric knife with a replaceable smoking pipe comprises an electrode knife head 1, a smoking pipe 2, an electric knife body and a rotating tail joint 8. The electrode knife head 1 and the smoking pipe 2 are both detachably connected to the electric knife body, and the length of the smoking pipe 2 can be selectively set; the electric knife body comprises an integrally injection-molded straight barrel portion 3, a mounting cavity 4 is formed on the straight barrel portion 3, a circuit component 5 is arranged in the mounting cavity 4, an upper cover 6 is arranged on the mounting cavity 4, and a smoking channel 31 is arranged in the straight barrel portion 3; the rotating tail joint 8 is detachably connected to the tail end of the electric knife body.
[0024] In this embodiment, a connecting portion 30 is provided at the head end of the electric knife body, and a spiral groove 300 is provided on the connecting portion 30 . The smoking tube 2 is connected to the connecting portion 30 via the spiral groove 300 .
[0025] Furthermore, an electrode socket is provided at the head end of the straight tube portion 3 , and a hexagonal positioning groove is provided on the electrode socket, and the electrode cutter head 1 is installed in the hexagonal positioning groove.
[0026] The end of the electrode blade head 1 is connected to the electrosurgical unit through a hexagonal positioning groove, which takes into account both convenience and firmness; the smoking tube 2 is connected to the electrosurgical unit through the rotating structure of the spiral groove 300 of the connecting part 30. This design is replaceable and detachable, so that the length of the smoking tube 2 and the electrode blade head 1 can be selected in a variety of lengths, which can be suitable for different surgical needs.
[0027] See attached picture Figure 2 The length of the smoking tube 2 is 30mm-165mm.
[0028] Furthermore, a button groove 60 is provided on the surface of the upper cover 6 , and a button 7 is provided in the button groove 60 .
[0029] See attached picture Figure 1 and Figure 3 The smoking passage 31 is arranged at a lower position of the bottom wall of the installation cavity 4 , and the circuit assembly 5 is detachably installed at an upper position of the bottom wall of the installation cavity 4 .
[0030] The circuit assembly 5 is installed above the bottom wall of the installation cavity 4 and is completely isolated from the smoking channel 31, which more effectively protects the safety of the electrical appliances. The rotating tail joint 8 is connected to the tail end of the electrosurgical unit body, which reduces the influence of the bellows on the flexibility during the operation.
[0031] The electric knife body in this embodiment is integrally injection molded, which reduces the overall volume while increasing the cross-sectional area and sealing of the smoking channel, thereby indirectly achieving the purpose of increasing the smoking flow rate.
[0032] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.
Claims
1. A smoking electric knife with a replaceable smoking tube, comprising an electrode knife head, a smoking tube, an electric knife body and a rotating tail joint, characterized in that: The electrode blade head and the smoking pipe are both detachably connected to the main body of the electric knife, and the length of the smoking pipe can be selectively set; the main body of the electric knife includes a straight tube portion formed by integral injection molding, a mounting cavity is formed on the straight tube portion, a circuit component is arranged in the mounting cavity, an upper cover is arranged on the mounting cavity, a smoking channel is arranged in the straight tube portion, and the circuit component and the smoking channel are completely isolated; the rotating tail joint is detachably connected to the tail end of the main body of the electric knife; The smoking channel is arranged at a position below the bottom wall of the installation cavity, and the circuit assembly is detachably installed at a position above the bottom wall of the installation cavity.
2. The electric smoke-smoking knife with a replaceable smoke-smoking tube according to claim 1, characterized in that: A connecting portion is provided at the head end of the electric knife body, a spiral groove is provided on the connecting portion, and the smoking pipe is connected to the connecting portion through the spiral groove.
3. The electric smoke-smoking knife with a replaceable smoke-smoking tube according to claim 1, characterized in that: An electrode socket is provided at the head end of the straight tube portion, a hexagonal positioning groove is provided on the electrode socket, and the electrode cutter head is installed in the hexagonal positioning groove.
4. The electric smoke-smoking knife with a replaceable smoke-smoking tube according to claim 3, characterized in that: A button groove is arranged on the surface of the upper cover, and a button is arranged in the button groove.
5. The electric smoke-smoking knife with a replaceable smoke-smoking tube according to claim 4, characterized in that: The length of the smoking tube is 30mm-165mm.