Smoke-absorbing electric knife pen

Abstract

The utility model discloses a smoke suction electrotome pen which comprises a shell, a smoke gathering cover, a smoke suction pipe and an electrotome assembly, and the shell is provided with an independent smoke guide cavity and an installation cavity; the smoke gathering cover is connected to the front end of the shell, the smoke gathering cover communicates with the smoke guide cavity, the smoke gathering cover is of a fan-shaped structure, the outer diameter of the smoke gathering cover is gradually increased in the direction away from the shell, and a vent hole is formed in the end, away from the shell, of the smoke gathering cover; the smoke suction pipe is connected to the rear end of the shell, communicates with the smoke guide cavity and is connected with an air pump; the electric knife assembly comprises a knife pen and a circuit board, the circuit board is arranged in the mounting cavity, one end of the knife pen is electrically connected with the circuit board, and a knife head is arranged at the other end of the knife pen and extends out of the smoke gathering cover. According to the smoke-absorbing electric knife pen provided by the embodiment of the utility model, smoke can be quickly absorbed in an operation process through the smoke guide cavity, the smoke gathering cover and the smoke absorbing pipe, and the possibility of occupational exposure of medical personnel is reduced through the fan-shaped smoke gathering cover.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a smoking electric knife pen. Background Art

[0002] The electrosurgical pen is an electrosurgical device that replaces mechanical scalpels for tissue cutting and is widely used in surgical operations. The electrosurgical pen generates high-frequency and high-voltage current at the end of the electrode to heat the body tissue when it comes into contact with the body, thereby separating and coagulating the body tissue, thereby achieving the purpose of cutting and hemostasis. It has the advantages of rapid hemostasis, less bleeding, prevention of bacterial infection, and good postoperative healing of patients.

[0003] However, the following problems exist in its actual use: on the one hand, smoke is generated when the electrosurgical pen cuts tissue and performs electrocoagulation to stop bleeding, which seriously affects the surgical process. It is also easy to cause local bleeding and splatter when the electrosurgical pen cuts tissue and performs electrocoagulation to stop bleeding, increasing the possibility of occupational exposure of medical staff and also increasing the psychological burden of medical workers in dealing with such virally infected patients. On the other hand, the smoke generated by the electrosurgical cutting machine during the electrocoagulation and cauterization process is high-temperature smoke, with a temperature of up to 150°C, which causes thermal damage to surrounding tissues and affects the patient's postoperative recovery to a certain extent. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a smoke-absorbing electric surgical pen, which can quickly absorb smoke during surgery through a smoke guide cavity, a smoke collecting hood and a smoke collecting pipe, thereby reducing air pollution in the operating room and reducing thermal damage to tissues around the patient's wound, and reducing the possibility of occupational exposure of medical staff through the fan-shaped smoke collecting hood.

[0005] According to the utility model, a smoking electric knife pen comprises a shell, a smoke collecting hood, a smoking pipe and an electric knife assembly, wherein the shell is provided with an independent smoke guide cavity and an installation cavity; the smoke collecting hood is connected to the front end of the shell, the smoke collecting hood is connected to the smoke guide cavity, the smoke collecting hood is a fan-shaped structure, the outer diameter of the smoke collecting hood gradually increases in the direction away from the shell, and the end of the smoke collecting hood away from the shell is provided with an air vent; the smoking pipe is connected to the rear end of the shell, the smoking pipe is connected to the smoke guide cavity, and the smoking pipe is connected to an exhaust pump; the electric knife assembly comprises a knife pen and a circuit board, the circuit board is installed in the installation cavity, one end of the knife pen is electrically connected to the circuit board, the other end of the knife pen is provided with a knife head, and the knife head extends out of the smoke collecting hood.

[0006] According to the above embodiments of the utility model, at least the following beneficial effects are achieved:

[0007] The smoking electric knife pen provided by the embodiment of the utility model can quickly absorb smoke during the operation through the smoke guide cavity, smoke collection hood and smoking tube, thereby reducing the air pollution in the operating room, preventing medical staff and patients from inhaling harmful smoke, and preventing smoke from obstructing the medical staff's vision, ensuring the smooth progress of the operation. At the same time, by sucking away the smoke, the temperature around the contact point of the knife and pen can be quickly reduced, reducing the thermal damage of the surrounding tissues, thereby reducing the patient's intraoperative injury, which is conducive to the patient's rapid recovery after surgery. On the other hand, by setting a fan-shaped smoke collection hood, local bleeding is not easy to splash outside the surgical field operation area, reducing the possibility of occupational exposure of medical staff; the smoke collection hood is provided with a vent, when the vacuum pump sucks air to generate negative pressure in the smoke collection hood, the outside air enters through the vent, and the rapid passage of the airflow can play a role in cooling, which can reduce the burning sensation of the wound of the local anesthesia patient, thereby alleviating the pain of the operation, and can avoid the smoke collection hood from being adsorbed on the patient's skin due to the pressure difference, which is conducive to the smooth progress of the operation.

[0008] According to some embodiments of the present utility model, the smoke collecting hood is provided with a plurality of the ventilation holes, the plurality of ventilation holes are evenly spaced around the circumference of the smoke collecting hood, and the axial direction of the ventilation holes is perpendicular to the axial direction of the smoke collecting hood.

[0009] According to some embodiments of the utility model, a circular ring portion is provided at one end of the shell, an annular groove is circumferentially provided in the middle part of the surface of the circular ring portion, a connecting portion is provided at one end of the smoke hood close to the shell, a convex ring is circumferentially provided in the middle part of the inner wall of the connecting portion, the connecting portion is sleeved on the circular ring portion, the end face of the smoke hood abuts against the shell, and the convex ring is stuck in the annular groove.

[0010] According to some embodiments of the present utility model, the smoke collecting hood is elastic, and the outer diameter of the annular portion is smaller than the inner diameter of the connecting portion.

[0011] According to some embodiments of the utility model, the electric knife assembly also includes a first button and a second button, the first button is used to control cutting, the second button is used to control hemostasis, the first button and the second button are installed on the outer wall of the shell, and the first button and the second button are electrically connected to the circuit board.

[0012] According to some embodiments of the present invention, the first button and the second button are arranged in sequence and spaced apart in a direction away from the smoke collecting hood, and a side of the first button or the second button away from the shell is provided with foolproof patterns.

[0013] According to some embodiments of the utility model, the fool-proof pattern is arranged on the side of the first button away from the shell, and the fool-proof pattern includes a plurality of convex strips, and the plurality of convex strips are arranged side by side along the length direction of the shell.

[0014] According to some embodiments of the utility model, a rotating head is further included, and the smoking pipe is connected to the smoke guiding cavity through the rotating head. One end of the rotating head is rotatably connected to the shell, and the other end of the rotating head is connected to the smoking pipe.

[0015] According to some embodiments of the utility model, a buckle is provided on the outer wall of one end of the rotating head close to the shell, a slot is provided on the inner wall of one end of the smoke guide cavity away from the smoke collecting hood, the rotating head is inserted into the smoke guide cavity, the buckle is engaged in the slot, and a silicone ring is provided between the rotating head and the inner wall of the smoke guide cavity.

[0016] According to some embodiments of the utility model, a plurality of annular protrusions are circumferentially arranged on the outer wall of one end of the rotating head away from the shell, and the plurality of annular protrusions are evenly spaced along the length direction of the rotating head. The end of the smoking tube wraps around the annular protrusions, and the outer diameter of the annular protrusions is larger than the inner diameter of the smoking tube.

[0017] 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

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 It is a schematic diagram of the structure of the electric knife pen for smoking in some embodiments of the utility model;

[0020] Figure 2 It is a cross-sectional view of the electric knife pen for smoking in some embodiments of the utility model;

[0021] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 yes Figure 2 Enlarged view of point B in the middle;

[0023] Figure 5 It is a partial cross-sectional view of the electric knife pen for smoking according to some embodiments of the utility model.

[0024] Wherein, the reference numerals are:

[0025] Housing 100; smoke guiding cavity 110; slot 111; mounting cavity 120; annular portion 130; annular groove 131;

[0026] Smoke collecting hood 200; vent hole 210; connecting portion 220; convex ring 221;

[0027] Smoking tube 300; rotating head 310; buckle 311; annular protrusion 312; silicone ring 320;

[0028] Knife pen 410; knife head 411; circuit board 420; first button 430; second button 440. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0030] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0032] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0033] Reference Figure 1 and Figure 2According to the utility model, a smoking electric knife pen 410 includes a shell 100, a smoke collecting hood 200, a smoking pipe 300 and an electric knife assembly. The shell 100 is provided with an independent smoke guide cavity 110 and a mounting cavity 120; the smoke collecting hood 200 is connected to the front end of the shell 100, and the smoke collecting hood 200 is connected to the smoke guide cavity 110. The smoke collecting hood 200 is a fan-shaped structure, and the outer diameter of the smoke collecting hood 200 gradually increases in the direction away from the shell 100. The smoke collecting hood 200 is away from the shell 100. A vent 210 is provided at one end of the shell 100; a smoking pipe 300 is connected to the rear end of the shell 100, the smoking pipe 300 is connected to the smoke guide cavity 110, and the smoking pipe 300 is connected to an exhaust pump; the electric knife assembly includes a knife pen 410 and a circuit board 420, the circuit board 420 is installed in the installation cavity 120, one end of the knife pen 410 is electrically connected to the circuit board 420, and the other end of the knife pen 410 is provided with a knife head 411, and the knife head 411 extends out of the smoke collecting hood 200.

[0034] Specifically, the smoke-absorbing electric surgical pen 410 provided in the embodiment of the utility model can quickly absorb smoke during the operation through the smoke guiding cavity 110, the smoke collecting hood 200 and the smoking tube 300, thereby reducing the air pollution in the operating room, preventing medical staff and patients from inhaling harmful smoke, and preventing smoke from obstructing the medical staff's vision, thereby ensuring the smooth progress of the operation. At the same time, by absorbing the smoke, the temperature around the contact point of the knife pen 410 can be quickly reduced, and the thermal damage to the surrounding tissues can be reduced, thereby reducing the patient's intraoperative injury and facilitating the patient's rapid recovery after surgery. On the other hand, by providing a fan-shaped smoke hood 200, local bleeding is not easy to splash outside the surgical field, thereby reducing the possibility of occupational exposure of medical staff; the smoke hood 200 is provided with an air vent 210. When the vacuum pump sucks air to generate negative pressure in the smoke hood 200, external air enters through the air vent 210. The rapid passage of air can play a cooling role, which can reduce the burning sensation of the wound of the patient under local anesthesia, thereby alleviating the pain of the operation, and can prevent the smoke hood 200 from being adsorbed on the patient's skin due to the pressure difference, which is conducive to the smooth progress of the operation.

[0035] Further, see Figure 1 and Figure 4 According to some embodiments of the present invention, the smoke hood 200 is provided with a plurality of ventilation holes 210, and the plurality of ventilation holes 210 are evenly spaced around the circumference of the smoke hood 200, and the axial direction of the ventilation holes 210 is perpendicular to the axial direction of the smoke hood 200, so as to increase the ventilation volume to enhance the cooling effect, and prevent the smoke hood 200 from being adsorbed on the patient's skin due to the pressure difference when it is too close to the patient's skin.

[0036] Furthermore, in the embodiment of the present utility model, the number of the vent holes 210 may be two, three, four or other numbers, which may be determined according to actual conditions and is not specifically limited herein.

[0037] Preferably, in the embodiment of the utility model, the shape of the vent hole 210 is circular. Furthermore, the shape of the vent hole 210 may be elliptical, rectangular or other shapes, which can be determined according to actual conditions and will not be described in detail here.

[0038] Further, see Figure 3 According to some embodiments of the utility model, a circular portion 130 is provided at one end of the shell 100, and an annular groove 131 is circumferentially provided in the middle part of the surface of the circular portion 130; a connecting portion 220 is provided at one end of the smoke hood 200 close to the shell 100, and a convex ring 221 is circumferentially provided in the middle part of the inner wall of the connecting portion 220; the connecting portion 220 is sleeved on the circular portion 130, the end face of the smoke hood 200 abuts against the shell 100, and the convex ring 221 is stuck in the annular groove 131.

[0039] Specifically, the cooperation between the annular portion 130 and the connecting portion 220 can realize a detachable connection between the smoke hood 200 and the shell 100, and the smoke hood 200 contaminated by blood stains can be removed after the operation for cleaning, disinfection or replacement; during installation, the connecting portion 220 is inserted into the annular portion 130 until the end face of the smoke hood 200 abuts against the shell 100 to play a limiting role. At this time, the convex ring 221 can just be inserted into the annular groove 131, thereby realizing the fixed installation of the smoke hood 200. When disassembling, the smoke hood 200 can be pulled out forcefully. The structure is simple and the operation is convenient.

[0040] Furthermore, according to some embodiments of the present invention, the smoke hood 200 is elastic, and the outer diameter of the annular portion 130 is smaller than the inner diameter of the connecting portion 220, so that when the smoke hood 200 is installed, the annular portion 130 can squeeze the connecting portion 220 outward, so that the connection between the connecting portion 220 and the annular portion 130 is more secure, reducing the possibility of the smoke hood 200 falling off during surgery, thereby ensuring the smooth progress of the operation.

[0041] Reference Figure 1 and Figure 2 According to some embodiments of the utility model, the electric knife assembly also includes a first button 430 and a second button 440. The first button 430 is used to control cutting, and the second button 440 is used to control hemostasis. The first button 430 and the second button 440 are mounted on the outer wall of the shell 100. The first button 430 and the second button 440 are both electrically connected to the circuit board 420. During the operation, the doctor can press the first button 430 to operate the knife pen 410 to cut the patient's body tissue, or press the second button 440 to operate the knife pen 410 to stop bleeding on the patient's wound.

[0042] Furthermore, according to some embodiments of the present invention, the first button 430 and the second button 440 are arranged in sequence in a direction away from the smoke hood 200, and the side of the first button 430 or the second button 440 away from the shell 100 is provided with anti-foolproof patterns, which are used to prevent doctors from operating incorrectly.

[0043] Preferably, according to some embodiments of the utility model, an anti-foolproof pattern is provided on the side of the first button 430 away from the shell 100, and the anti-foolproof pattern includes a plurality of convex strips, and the plurality of convex strips are arranged side by side along the length direction of the shell 100, so that the doctor can rely on touch to identify the button during the operation, thereby reducing the possibility of misoperation.

[0044] Preferably, according to some embodiments of the present invention, the first button 430 is yellow and the second button 440 is blue, so that the doctor can rely on vision to identify the buttons during the operation and reduce the possibility of misoperation.

[0045] Furthermore, according to some embodiments of the present invention, the electric knife assembly also includes a power cord, one end of which is electrically connected to the circuit board 420, and the other end of the power cord passes through the shell 100 and is connected to a power plug, which is used to provide power to the knife pen 410 during surgery.

[0046] Reference Figure 1 and Figure 5 According to some embodiments of the utility model, the smoking electric knife pen 410 further includes a rotating head 310, through which the smoking pipe 300 is connected to the smoke guide cavity 110, one end of the rotating head 310 is rotatably connected to the housing 100, and the other end of the rotating head 310 is connected to the smoking pipe 300. Specifically, when the doctor rotates the smoking electric knife pen 410 during surgery, the housing 100 will not drive the smoking pipe 300 to rotate, which reduces the possibility of the smoking pipe 300 being entangled during surgery, which is conducive to the smooth progress of the surgery.

[0047] Further, see Figure 5 According to some embodiments of the utility model, a buckle 311 is provided on the outer wall of one end of the rotating head 310 close to the shell 100, and a slot 111 is provided on the inner wall of one end of the smoke guide cavity 110 away from the smoke collecting hood 200. The rotating head 310 is inserted into the smoke guide cavity 110, and the buckle 311 is engaged with the slot 111. The buckle 311 cooperates with the slot 111 to facilitate the disassembly and assembly of the rotating head 310. A silicone ring 320 is provided between the rotating head 310 and the inner wall of the smoke guide cavity 110 to achieve a sealing effect.

[0048] Further, see Figure 5According to some embodiments of the utility model, a plurality of annular protrusions 312 are circumferentially arranged on the outer wall of one end of the rotating head 310 away from the shell 100, and the plurality of annular protrusions 312 are evenly spaced along the length direction of the rotating head 310. The end of the smoking tube 300 wraps around the annular protrusion 312, and the outer diameter of the annular protrusion 312 is larger than the inner diameter of the smoking tube 300, so that the annular protrusion 312 can squeeze the inner wall of the smoking tube 300 outward, thereby enhancing the reliability of the connection.

[0049] In the embodiment of the utility model, the connecting member may be a clip or a plate of other shapes, and the connection method may be a snap connection, a screw connection or a welding method, which will not be described in detail here.

[0050] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A smoking electric knife pen, characterized in that: include: The housing is provided with an independent smoke guiding cavity and an installation cavity; A smoke collecting hood is connected to the front end of the shell, the smoke collecting hood is connected to the smoke guiding cavity, the smoke collecting hood is a fan-shaped structure, the outer diameter of the smoke collecting hood gradually increases in a direction away from the shell, and a vent hole is provided at one end of the smoke collecting hood away from the shell; A smoking pipe connected to the rear end of the housing, the smoking pipe communicates with the smoke guiding cavity, and the smoking pipe is connected to an air pump; The electric knife assembly comprises a knife pen and a circuit board, wherein the circuit board is installed in the installation cavity, one end of the knife pen is electrically connected to the circuit board, and the other end of the knife pen is provided with a knife head, and the knife head extends out of the smoke collecting hood.

2. The electric knife pen for smoking according to claim 1, characterized in that: The smoke collecting hood is provided with a plurality of the ventilation holes, and the plurality of ventilation holes are evenly spaced around the circumference of the smoke collecting hood, and the axial direction of the ventilation holes is perpendicular to the axial direction of the smoke collecting hood.

3. The smoking electric knife pen according to claim 1, characterized in that: A circular ring portion is provided at one end of the shell, and an annular groove is circumferentially provided in the middle of the surface of the circular ring portion; a connecting portion is provided at one end of the smoke collecting hood close to the shell, and a convex ring is circumferentially provided in the middle of the inner wall of the connecting portion; the connecting portion is sleeved on the circular ring portion, the end face of the smoke collecting hood abuts against the shell, and the convex ring is stuck in the annular groove.

4. The smoking electric knife pen according to claim 3, characterized in that: The smoke collecting hood is elastic, and the outer diameter of the annular portion is smaller than the inner diameter of the connecting portion.

5. The smoking electric knife pen according to claim 1, characterized in that: The electric knife assembly also includes a first button and a second button, the first button is used to control cutting, and the second button is used to control hemostasis. The first button and the second button are installed on the outer wall of the shell, and the first button and the second button are both electrically connected to the circuit board.

6. The smoking electric knife pen according to claim 5, characterized in that: The first button and the second button are arranged in sequence and spaced apart in a direction away from the smoke collecting hood, and a side of the first button or the second button away from the shell is provided with foolproof patterns.

7. The electric knife pen for smoking according to claim 6, characterized in that: The fool-proof pattern is arranged on the side of the first button away from the shell, and the fool-proof pattern includes a plurality of convex strips, and the plurality of convex strips are arranged side by side along the length direction of the shell.

8. The electric knife pen for smoking according to claim 1, characterized in that: It also includes a rotating head, through which the smoking pipe is connected to the smoke guiding cavity, one end of the rotating head is rotatably connected to the shell, and the other end of the rotating head is connected to the smoking pipe.

9. The electric knife pen for smoking according to claim 8, characterized in that: A buckle is provided on the outer wall of one end of the rotating head close to the shell, a slot is provided on the inner wall of one end of the smoke guiding cavity away from the smoke collecting hood, the rotating head is inserted into the smoke guiding cavity, the buckle is engaged with the slot, and a silicone ring is provided between the rotating head and the inner wall of the smoke guiding cavity.

10. The electric knife pen for smoking according to claim 9, characterized in that: The outer wall of one end of the rotating head away from the shell is circumferentially provided with a plurality of annular protrusions, which are evenly spaced along the length direction of the rotating head. The end of the smoking pipe wraps the annular protrusion, and the outer diameter of the annular protrusion is larger than the inner diameter of the smoking pipe.

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