Operation smoke filtering device for electrosurgical pen

Abstract

The utility model relates to the technical field of medical instruments, in particular to an operation smoke filtering device for an electrosurgical pen, which comprises an electrosurgical pen, a catheter and a wire arranging mechanism, and the electrosurgical pen comprises a pen point, a handle and a power line; the catheter comprises a straight tube and a suction tube, the straight tube is detachably connected to the handle, one end of the suction tube is connected with the end, away from the pen point, of the straight tube, and the other end is connected with the aspirator. One end of the wire arrangement mechanism is detachably connected with the power line, and the other end is detachably connected with the suction tube; the straight tube is arranged on the outer wall of the electrosurgical pen, the front end of the straight tube is close to a wound, the smoke absorption effect is good, a power line and the suction tube of the electrosurgical pen are separated through the wire arrangement mechanism to avoid winding, and the operation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to surgical smoke filter device for electrosurgical pen. BACKGROUND

[0002] Surgical smoke is gaseous material produced in the operation process, is the smoke produced due to using electrosurgical instruments, ultrasonic knife and so on to destroy and gasify tissue protein and fat, not only can hinder the vision of operation personnel, but also can release toxic and harmful substances to the air, can cause the discomfort reactions such as headache and eye conjunctiva inflammation of operating room personnel, thereby influence operation operation.

[0003] At present, for the smoke produced in the abdominal cavity minimally invasive surgery, the suction effect of the suction device in the prior art is poor, the universality is poor, and the suction port is often far away from the smoke generation point, cannot suck away the smoke in time, causes the smoke in the abdominal cavity to disperse and affect the vision, influences the progress of operation, under the condition of continuously sucking the smoke, can cause the carbon dioxide for inflating the abdominal cavity in the abdominal cavity to lose a lot, thereby needs to constantly fill carbon dioxide to keep the effect of inflating the abdominal cavity, and resources are wasted.

[0004] In view of the above problems, the patent number CN207912768U discloses a smoke suction filter device with pre-suction function for electrosurgical instrument, including the suction sleeve and the connecting body of the main rod outside the electrosurgical instrument, the connecting body connects the suction sleeve and the main rod of the electrosurgical instrument, the suction sleeve and the main rod of the electrosurgical instrument form a smoke exhaust channel, the connecting body or the suction sleeve is provided with suction pipe joint, and the suction pipe joint is connected with suction pipe.

[0005] When using, the suction sleeve is sleeved on the main rod of the electrosurgical instrument, the suction sleeve and the main rod form a smoke exhaust channel, the operator opens the operation switch on the handle, the smoke is sucked into the suction sleeve and enters the smoke exhaust channel, and finally the smoke is sucked into the suction pipe and is discharged.

[0006] But the smoke suction filter device with pre-suction function for electrosurgical instrument still has the following problems in the use process: 1. the button is arranged on the majority of electrosurgical pen rods, when the suction sleeve is sleeved on the main rod, not only the button is inconvenient to use, but also the smoke exhaust channel between the suction sleeve and the main rod is easy to be blocked by the button, leading to poor smoke exhaust effect, 2. although the suction pipe joint uses universal steering joint, but only the direction at the joint can be changed, in the actual use process, since the suction pipe is very close to the electrosurgical pen, the suction pipe is easy to be wound together with the power cord of the electrosurgical pen, influences the operation of the doctor, and reduces the operation efficiency. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing a surgical smoke filtering device for electrosurgical pen to overcome the poor smoke exhaust effect of the smoke suction filtering device with pre-suction function of the electrosurgical instrument in the prior art and the problem of easy entanglement of the electrosurgical pen connecting line and the suction pipe.

[0008] The main idea of the technical scheme adopted by the utility model is:

[0009] The utility model discloses a surgical smoke filtering device for electrosurgical pen, which comprises an electrosurgical pen, a catheter and a wire arrangement mechanism, the catheter is provided with a filtering mechanism inside, can filter the suction smoke and prevent the environment from being polluted, the catheter is detachably arranged on the electrosurgical pen, can not only effectively absorb the surgical smoke, but also will not affect the use of the electrosurgical pen, the wire arrangement mechanism is a telescopic structure, and the power cord and the catheter of the electrosurgical pen are connected at two ends respectively, the two lines are separated by the wire arrangement mechanism, so that the power cord and the catheter are prevented from being entangled during use and affecting the operation of the operation, and the operation efficiency is greatly improved.

[0010] To achieve the above object, the utility model adopts the technical scheme for solving its technical problems:

[0011] The surgical smoke filtering device for electrosurgical pen comprises an electrosurgical pen, the electrosurgical pen comprises a pen head, a handle and a power cord, and further comprises a catheter and a wire arrangement mechanism.

[0012] The catheter comprises a straight pipe and a suction pipe, the straight pipe is detachably connected to the outer side of the handle, one end of the suction pipe is connected to the end of the straight pipe away from the pen head, and the other end is connected to a suction device.

[0013] One end of the wire arrangement mechanism is detachably connected to the power cord, and the other end is detachably connected to the suction pipe.

[0014] Further, the wire arrangement mechanism comprises a straight cylinder, a left telescopic cylinder and a right telescopic cylinder.

[0015] The left telescopic cylinder and the right telescopic cylinder are respectively sleeved with the left telescopic cylinder and the right telescopic cylinder at two ends of the straight cylinder.

[0016] The left telescopic cylinder and the right telescopic cylinder are respectively detachably connected to the power cord and the suction pipe away from the two ends of the straight cylinder.

[0017] Further, the straight cylinder is provided with a first thread inside, and the first thread is not a whole circle.

[0018] The left telescopic cylinder and the right telescopic cylinder are respectively provided with a second thread matched with the first thread outside, and the second thread is not a whole circle and is distributed in a staggered manner with the first thread.

[0019] Further, the wire arrangement mechanism further comprises a locking mechanism, and the locking mechanism is sleeved outside the straight cylinder.

[0020] Further, the locking mechanism comprises an eccentric wheel, a fixed ring and a pressing block.

[0021] One end of the fixed ring is sleeved with one end of the straight cylinder, and the other end is rotationally connected with an eccentric wheel;

[0022] The pressing block is elastically connected with the fixed ring.

[0023] Further, the straight cylinder has a first sliding groove larger than the pressing block on one side, and the left telescopic cylinder and the right telescopic cylinder are provided with a second sliding groove matched with the pressing block near one end of the straight cylinder.

[0024] Further, the straight pipe is provided with a filtering device.

[0025] Further, the filtering device comprises filter cotton and activated carbon, which are arranged in the straight pipe at a preset interval.

[0026] The utility model discloses the improvement lies in that, compared with the prior art,

[0027] 1. The utility model discloses a detachable catheter is arranged on the electrosurgical pencil, not only good suction smoke effect, and will not affect the use of electrosurgical pencil button, more practical.

[0028] 2. The utility model discloses a wire arrangement mechanism is arranged, avoids the power cord of electrosurgical pencil and the catheter winding in the operation process, improves the operation efficiency.

[0029] 3. The utility model discloses a telescopic wire arrangement mechanism is arranged, according to the position of the suction apparatus and the power of electrosurgical pencil, can make the power cord of electrosurgical pencil and the catheter branch to different distances with the wire arrangement mechanism telescopic to different long and short, further improve the wire arrangement effect and practicality. DRAWINGS

[0030] Figure 1 The utility model discloses a structure schematic view of surgical smoke filtering device for electrosurgical pencil is provided for the utility model;

[0031] Figure 2 The utility model discloses a structure schematic view of wire arrangement mechanism is provided for the utility model;

[0032] Figure 3 The utility model discloses a structure schematic view of straight cylinder is provided for the utility model;

[0033] Figure 4 The utility model discloses a structure schematic view of left telescopic cylinder is provided for the utility model;

[0034] Figure 5 The utility model discloses a structure schematic view of right telescopic cylinder is provided for the utility model;

[0035] Figure 6 The utility model discloses a structure schematic view of locking mechanism is provided for the utility model;

[0036] Figure 7 The structure diagram of the pressing block according to the present application is shown in the figure;

[0037] Figure 8 The structure diagram of the filter device according to the present application is shown in the figure;

[0038] Among them, the above-mentioned drawings include the following reference signs:

[0039] 10, electrosurgical pen; 11, pen head; 12, handle; 13, power cord; 20, catheter; 21, straight tube; 22, suction tube; 30, wire arrangement mechanism; 31, straight cylinder; 32, left telescopic cylinder; 321, third buckle; 33, right telescopic cylinder; 331, fourth buckle; 34, first thread; 35, second thread; 40, filter device; 41, filter cotton; 42, activated carbon; 50, first buckle; 60, second buckle; 70, locking mechanism; 71, eccentric wheel; 711, handle; 72, fixed ring; 721, rotating shaft; 73, pressing block; 731, gasket; 732, spring; 80, first sliding groove; 90, second sliding groove. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments but not all the embodiments.

[0041] In the description of the present application, it should be understood that the terms "front", "back", "left", "right", "up", "down", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the drawings shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. Embodiment 1

[0042] As Figure 1As shown, this application discloses a surgical smoke filtering device for an electrosurgical pen, including: an electrosurgical pen 10, the electrosurgical pen 10 including: a pen tip 11, a handle 12, and a power cord 13, and further including: a conduit 20 and a wiring mechanism 30; the conduit 20 includes: a straight tube 21 and a suction tube 22, the straight tube 21 having a diameter of 0.9 mm and being slightly shorter than the length of the pen tip 11 and the handle 12, the suction tube 22 having a length of 1 cm, and the front end of the straight tube 21 being approximately 2 cm from the front end of the pen tip 11; one end of a first buckle 50 is matched with the straight tube 21, and the other end of the first buckle 50 is matched with the pen tip 11, the first buckle 50 engaging the front end of the straight tube 21 and the pen tip 11, thus connecting the front end of the straight tube 21 to the pen tip 11. The head 11 is fixed; one end of the second buckle 60 matches the straight tube 21, and the other end of the second buckle 60 matches the handle 12. The second buckle 60 locks the middle end of the straight tube 21 and the handle 12, fixing the middle end of the straight tube 21 and the handle 12; one end of the suction tube 22 is connected to the end of the straight tube 21 away from the pen tip 11, and the other end of the suction tube 22 is connected to the suction device. When the surgery begins, the suction device is turned on, and the surgical smoke enters from the front end of the straight tube 21 and is sucked into the suction tube 22, and finally into the suction device; one end of the wiring mechanism 30 is detachably connected to the power cord 13, and the other end is detachably connected to the suction tube 22, separating the power cord 13 and the suction tube 22 to avoid tangling during use;

[0043] Furthermore, such as Figure 2 As shown, the cable laying mechanism 30 includes: a straight cylinder 31, a left telescopic cylinder 32, and a right telescopic cylinder 33; the left telescopic cylinder 32 and the right telescopic cylinder 33 are respectively sleeved on both ends of the straight cylinder 31, and the lengths of the left telescopic cylinder 32 and the right telescopic cylinder 33 protruding from the straight cylinder 31 can be adjusted to change the distance between the two ends of the cable laying mechanism 30; the ends of the left telescopic cylinder 32 and the right telescopic cylinder 33 away from the straight cylinder 31 are respectively connected to a third buckle 321 and a fourth buckle 331, the inner diameter of the third buckle 321 is larger than the diameter of the power cord 13, and the power cord 13 is snapped into the third buckle 321; the inner diameter of the fourth buckle 331 is larger than the diameter of the suction tube 22, and the suction tube 22 is snapped into the fourth buckle 331.

[0044] Furthermore, such as Figure 3 As shown, a first thread 34 is provided inside the straight cylinder 31, and the first thread 34 is distributed on both sides of the inner wall of the straight cylinder 31 in a non-complete circle manner; as Figure 4 and Figure 5As shown, the left telescopic cylinder 32 and the right telescopic cylinder 33 are both provided with second threads 35 matching the first threads 34, the second threads 35 are distributed on both sides of the outer wall of the left telescopic cylinder 32 and the right telescopic cylinder 33 in a non-integral circle, and the left telescopic cylinder 32 and the right telescopic cylinder 33 are sleeved in the straight cylinder 31; when the first threads 34 in the straight cylinder 31 are dislocated with the second threads 35 outside the left telescopic cylinder 32 and the right telescopic cylinder 33, the left telescopic cylinder 32 and the right telescopic cylinder 33 can both extend outward or contract inward to both ends of the straight cylinder 31; when the left telescopic cylinder 32 and the right telescopic cylinder 33 are rotated to make the second threads 35 on the outer wall of the left telescopic cylinder 32 and the right telescopic cylinder 33 superimposed with the first threads 34 in the straight cylinder 31, the positions of the left telescopic cylinder 32 and the right telescopic cylinder 33 are locked, that is, the distance between both ends of the wire arrangement mechanism 30 is fixed.

[0045] Further, the wire arrangement mechanism 30 further comprises a locking mechanism 70, and the locking mechanism 70 is sleeved outside the straight cylinder 31.

[0046] Further, as shown, Figure 6 the locking mechanism 70 comprises an eccentric wheel 71, a fixed ring 72, and a pressing block 73; the fixed ring 72 is a cam structure, one end with a large diameter is sleeved outside one end of the straight cylinder 31, one end with a small diameter is provided with a groove in communication with the straight cylinder 31, the groove is provided with a matching eccentric wheel 71, the center of the eccentric wheel 71 is provided with a through hole, a matching rotating shaft 721 is inserted into the through hole to make the eccentric wheel 71 rotatably connected to one end of the fixed ring 72, and the eccentric wheel 71 is connected with a handle 711 on the side; one side of the straight cylinder 31 is provided with a first sliding groove 80 larger than the pressing block 73, and the right telescopic cylinder 33 is provided with a second sliding groove 90 matching the pressing block 73 near one end of the straight cylinder 31, as shown, Figure 7 the pressing block 73 is arranged in the first sliding groove 80 and provided with a spring 732 on the upper surface, the spring 732 is connected with the fixed ring 72; a gasket 731 is arranged on the upper surface of the pressing block 73; when locking is needed, the handle 711 is rotated to make the eccentric wheel 71 rotate to press the gasket 731 and the pressing block 73, so that the spring 732 is compressed and the pressing block 73 is pressed into the second sliding groove 90 to lock the position of the right telescopic cylinder 33; the straight cylinder 31 left end and the left telescopic cylinder 32 are provided with the same structure and the locking mechanism 70.

[0047] Further, the straight pipe 21 is provided with a filtering device 40, and the filtering device 40 matches the inner diameter of the straight pipe 21.

[0048] Further, as shown, Figure 8 the filtering device 40 comprises filter cotton 41 and activated carbon 42; the filter cotton 41 uses synthetic fiber filter cotton, which is light in material quality and environmentally friendly, avoiding environmental pollution caused by discarding it after use; the activated carbon 42 has strong adsorption capacity and low cost; the filter cotton 41 and the activated carbon 42 are arranged in the straight pipe 21 at an interval of about 5 cm, and the two-layer filtering system can adsorb a large amount of harmful smoke. Embodiment 2

[0049] The rest of the structure of the embodiment is the same as that of Embodiment 1, and the difference between the embodiment and Embodiment 1 is that a layer of glass fiber filter paper is additionally added in the straight pipe 21, which can more effectively filter out harmful particulate matters and toxic components in the smoke, and improve the filtering and adsorption effect. Embodiment 3

[0050] The rest of the structure of the embodiment is the same as that of Embodiment 1, and the difference between the embodiment and Embodiment 1 is that according to the length of the electrosurgical pen 10 of different brands, a plurality of straight pipes 21 with different lengths are set, so as to avoid that the straight pipe 21 is too long to affect the operation, and at the same time avoid that the straight pipe 21 is too short to cause poor suction effect.

[0051] The use method of the surgical smoke filtering device for the electrosurgical pen of the utility model:

[0052] When the wire arrangement mechanism with the threaded locking structure is used: before the operation, the front end and the middle end of the straight pipe 21 are respectively clamped into one end of the first buckle 50 and the second buckle 60, and then the pen head 11 and the handle 12 of the electrosurgical pen 10 are respectively clamped into the other end of the first buckle 50 and the second buckle 60, the distance between the front end of the straight pipe 21 and the pen head 11 is about 2 cm, so that the straight pipe 21 and the pen head 11 and the handle 12 are fixed; then the power cord 13 is clamped into the third buckle 321 on the left telescopic barrel 32, and the suction pipe 22 is clamped into the fourth buckle 331 on the right telescopic barrel 33; according to the positions of the suction device and the power supply, if the distance between the two ends of the wire arrangement mechanism 30 is to be changed, the left telescopic barrel 32 and the right telescopic barrel 33 are rotated to the second thread 35 on the outer wall thereof is dislocated with the first thread 34 in the straight cylinder 31, so that the distance between the two ends of the wire arrangement mechanism 30 can be adjusted; if the distance between the two ends of the wire arrangement mechanism 30 is to be locked, the left telescopic barrel 32 and the right telescopic barrel 33 are rotated to the second thread 35 on the outer wall thereof is overlapped with the first thread 34 in the straight cylinder 31, so that the distance between the two ends of the wire arrangement mechanism 30 is locked.

[0053] When the wire arrangement mechanism 30 with the locking mechanism 70 is used: before operation, the front end and the middle end of the straight tube 21 are respectively clamped into one end of the first buckle 50 and the second buckle 60, and the pen head 11 and the handle 12 of the electrosurgical pen 10 are respectively clamped into the other end of the first buckle 50 and the second buckle 60, the front end of the straight tube 21 is about 2 cm away from the pen head 11, so that the straight tube 21 and the pen head 11 and the handle 12 are fixed; then the power cord 13 is clamped into the third buckle 321 on the left telescopic barrel 32, and the suction tube 22 is clamped into the fourth buckle 331 on the right telescopic barrel 33; according to the positions of the suction device and the power source, if the distance between the two ends of the wire arrangement mechanism 30 is to be changed, the left telescopic barrel 32 and the right telescopic barrel 33 are rotated to the desired positions, then the handle 711 is turned to press the gasket 731 and the pressing block 73, so that the spring 732 is compressed and the pressing block 73 is pressed into the second sliding groove 90 to lock the position of the right telescopic barrel 33; the left telescopic barrel 32 is locked and the above steps are repeated.

[0054] During operation, the power cord 13 is connected with the power source, the suction tube 22 is connected with the suction device, the suction device is turned on, and the operation is started; the smoke generated during the operation is emitted from the front end of the electrosurgical pen 10 and then sucked into the straight tube 21, and then filtered through the two layers of filter cotton 41 and activated carbon 42 and then sucked into the suction tube 22, and finally sucked into the suction device.

[0055] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A surgical smoke filtering device for an electrosurgical pencil, comprising: An electrosurgical pen (10) comprising a pen head (11), a handle (12) and a power cord (13), characterized in that it further comprises a catheter (20) and a wire arrangement mechanism (30); The catheter (20) comprises a straight tube (21) and a suction tube (22), the straight tube (21) is detachably connected to the outside of the handle (12), and the suction tube (22) is connected to the end of the straight tube (21) away from the pen head (11) and the other end is connected to a suction device; The wire arrangement mechanism (30) is detachably connected to the power cord (13) at one end and to the suction tube (22) at the other end.

2. A surgical smoke filtering device for an electrosurgical pencil according to claim 1, characterized in that, The wire arrangement mechanism (30) comprises a straight cylinder (31), a left telescopic cylinder (32) and a right telescopic cylinder (33); Both ends of the straight cylinder (31) are respectively sleeved with the left telescopic cylinder (32) and the right telescopic cylinder (33); The left telescopic cylinder (32) and the right telescopic cylinder (33) are respectively detachably connected to the power cord (13) and the suction tube (22) away from both ends of the straight cylinder (31).

3. A surgical smoke filtering device for an electrosurgical pencil according to claim 2, characterized in that, The straight cylinder (31) is provided with a first thread (34) inside, and the first thread (34) is not a complete circle; Both the left telescopic cylinder (32) and the right telescopic cylinder (33) are provided with a second thread (35) matching the first thread (34) outside, and the second thread (35) is not a complete circle and is distributed in a staggered manner with the first thread (34).

4. The surgical smoke filtering device for an electrosurgical pencil of claim 2, wherein, The wire arrangement mechanism (30) further comprises a locking mechanism (70) sleeved outside the straight cylinder (31).

5. A surgical smoke filtering device for an electrosurgical pencil according to claim 4, characterized in that, The locking mechanism (70) comprises an eccentric wheel (71), a fixed ring (72) and a pressing block (73); One end of the fixed ring (72) is sleeved outside one end of the straight cylinder (31), and the other end is rotatably connected with the eccentric wheel (71); The pressing block (73) is elastically connected with the fixed ring (72).

6. A surgical smoke filtering device for an electrosurgical pencil according to claim 5, characterized in that, One side of the straight cylinder (31) has a first sliding groove (80) larger than the pressing block (73), and the left telescopic cylinder (32) and the right telescopic cylinder (33) are provided with a second sliding groove (90) matching the pressing block (73) at one end close to the straight cylinder (31).

7. The surgical smoke filtering device for an electrosurgical pencil of claim 1, wherein, The straight tube (21) is provided with a filter device (40) inside.

8. The surgical smoke filtering device for an electrosurgical pencil of claim 6, wherein, The filter device (40) comprises filter cotton (41) and activated carbon (42), and the filter cotton (41) and the activated carbon (42) are arranged in the straight tube (21) at a predetermined interval.

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