A special mirror anti-fogging device for laparoscopic surgery
By designing a mirror anti-fog device for laparoscopic surgery, preheating and hot air are used to remove mist, the fog problem caused by temperature difference of laparoscopic lenses is solved, and the defog efficiency and surgical safety are improved.
Patent Information
- Application Number
- CN202111324367.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-11-10
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2041-11-10
AI Technical Summary
During laparoscopic surgery, the lens is prone to fogging caused by temperature difference, which leads to blurred lenses. Existing solutions such as heating the lens in advance, it is still difficult to completely avoid fogging, which affects the progress and safety of the operation.
A special mirror anti-fog device for laminoscopic surgery is designed, including a laminoscopic rod body, sleeve, annular heat pipe, transverse tube, nozzle and inflatable blow drying mechanism. By preheating the lens in advance, the fog is removed by using hot air and air-drying effects, and the defog effect is further improved through quickly replaceable wipe components.
It effectively prevents fogging caused by temperature difference, improves the defogging efficiency of the lens, reduces the risk of surgery, and simplifies the operation process, avoiding the tedious steps of frequently pulling out the laminoscope for defogging due to fogging.
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Figure CN114010139B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of laparoscopy, and in particular to a special mirror anti-fogging device for laparoscopic surgery. Background Art
[0002] Through the keyhole-sized incision, the surgeon can insert a tiny light, camera, and surgical instruments. The surgeon uses images transmitted to a monitor to guide the surgical instruments. This type of surgery is called laparoscopic surgery when it is performed in the abdomen, arthroscopic surgery when it is performed in a joint, and thoracoscopic surgery when it is performed in the chest.
[0003] It has been found during use that the laparoscope used in laparoscopic surgery is prone to fogging due to temperature differences, which can cause the laparoscope lens to become blurred. The current solution is to heat the laparoscope lens in advance to prevent excessive temperature differences in the laparoscope. However, fogging is unavoidable during use, so the laparoscope needs to be pulled out for defogging again. The operation is extremely cumbersome, which in turn affects the progress and safety of the operation. Summary of the invention
[0004] The purpose of the present invention is to solve the problem that the lens of the existing laparoscope is prone to fogging, and to propose a special mirror anti-fogging device for laparoscope surgery.
[0005] In order to achieve the above object, the present invention adopts the following technical solutions:
[0006] A mirror anti-fogging device specially used for laparoscopic surgery comprises a laparoscope rod body and a sleeve fixedly mounted on the outer wall of the end thereof, and also comprises: a lens fixedly mounted on the end of the laparoscope rod body, wherein a rectangular groove is provided at the end of the sleeve, a heat-insulating gap is provided between the sleeve and the outer wall of the laparoscope rod body, and a plurality of annular heat pipes close to the lens are fixedly mounted on the inner wall of the sleeve; a transverse tube fixedly mounted on the inner top of the rectangular groove, wherein a plurality of evenly distributed nozzles are fixedly mounted on the lower end of the transverse tube, and an air-filled drying mechanism connected to the transverse tube is provided in the heat-insulating gap.
[0007] In order to facilitate the removal of fog on the lens surface, preferably, the inflation and drying mechanism includes an annular piston slidably connected in the insulation gap, and the side wall of the annular piston is fixedly connected with multiple circumferentially distributed intake pipes, one end of each of the intake pipes extends into the insulation gap, and each of the intake pipes is parallel to the laparoscope rod body, and the transverse pipe is connected to the insulation gap through an exhaust pipe, and one-way valves are fixedly installed in the exhaust pipe and the intake pipe.
[0008] In order to greatly improve the lens defog effect, further, the left and right inner walls of the rectangular groove are provided with sliding grooves, and sliders are slidably connected in the two sliding grooves. The sliders are elastically connected to the inner bottom of the sliding grooves through a first spring, and a wiping component is detachably connected between the two sliders.
[0009] In order to quickly reset the annular piston, further, a hollowed-out limiting plate is fixedly connected to the outer wall of the laparoscope rod body, and the annular piston and the limiting plate are elastically connected via a second spring.
[0010] In order to facilitate the replacement of the wiping component, further, the opposite side walls of the two sliders are provided with a card slot, a mounting plate is provided between the two sliders, both ends of the mounting plate are provided with a card block that cooperates with the card slot, and the opposite surfaces of the card slot and the card block are fixedly installed with magnets, and the wiping component is fixedly installed on the side wall of the mounting plate.
[0011] In order to further improve the anti-fog effect of the lens, preferably, a spiral tube is fixedly installed inside the inner wall of the sleeve, both ends of the spiral tube are provided with tube heads extending to the outer wall of the sleeve, and a micro circulation pump is fixedly installed in the middle of the spiral tube.
[0012] In order to prevent foreign matter from clogging the tube head, further, the outer walls of the ends of the two tube heads are fixedly sleeved with a hollow protective cover.
[0013] In order to make pushing the exhaust pipe more convenient and labor-saving, further, a push plate is fixedly installed at the end of the exhaust pipe.
[0014] In order to ensure the water absorption effect of the wiping component, further, the wiping component is a water-absorbing sponge.
[0015] In order to prevent the sleeve from causing secondary damage to the patient, further, both ends of the sleeve are provided with arc chamfers.
[0016] Compared with the prior art, the present invention provides a special mirror anti-fogging device for laparoscopic surgery, which has the following beneficial effects:
[0017] 1. The anti-fogging device for the mirror used in laparoscopic surgery can preheat the end of the laparoscope rod and the lens in advance through multiple annular heat pipes on the inner wall of the sleeve, and then store the heat through the insulation gap to prevent the heat from directly contacting the annular heat pipe, so that the lens is not prone to fogging due to temperature difference when entering the patient's body;
[0018] 2. The mirror anti-fogging device for laparoscopic surgery can push the annular piston to blow the hot air in the insulation gap to the surface of the lens through the nozzle on the outer wall of the transverse tube. The lens will be heated by the hot air to remove the fog, and the hot air also has a certain air-drying effect, making the lens defog more convenient and efficient, thereby reducing the surgical risks of patients;
[0019] 3. The mirror anti-fogging device for laparoscopic surgery uses the gas ejected from the nozzle to blow the wiping component to the inner bottom of the rectangular groove. The wiping component will absorb the fog on the outer wall of the lens when sliding, thereby improving the defogging effect of the lens;
[0020] 4. The mirror anti-fog device for laparoscopic surgery can circulate the patient's body temperature into the cannula through a micro-circulation pump, so that the patient's body temperature can keep the cannula warm, thereby making the anti-fog effect of the lens better;
[0021] 5. The mirror anti-fog device specially used for laparoscopic surgery can be quickly replaced by pulling out the blocks at both ends of the mounting plate from the slots, and then inserting the blocks at the end of the new mounting plate into the slots. The blocks can be adsorbed in the slots by the magnetic force of the magnets, and the wiping parts can be replaced more conveniently. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a schematic diagram of the axonometric structure of a mirror anti-fogging device for laparoscopic surgery proposed by the present invention;
[0023] Figure 2 This is a schematic diagram of the axonometric cross-section structure of a mirror anti-fogging device for laparoscopic surgery proposed by the present invention;
[0024] Figure 3 This is a schematic diagram of the main cutaway structure of a mirror anti-fogging device for laparoscopic surgery proposed by the present invention;
[0025] Figure 4 A mirror anti-fogging device for laparoscopic surgery proposed by the present invention Figure 2 Schematic diagram of the structure at A in the middle;
[0026] Figure 5 A mirror anti-fogging device for laparoscopic surgery proposed by the present invention Figure 2 Schematic diagram of the structure at B in the middle;
[0027] Figure 6 A mirror anti-fogging device for laparoscopic surgery proposed by the present invention Figure 3 Schematic diagram of the structure at point C in the middle.
[0028] In the figure: 1. laparoscope rod body; 2. lens; 3. sleeve; 4. rectangular groove; 5. insulation gap; 6. annular heat pipe; 7. transverse pipe; 8. nozzle; 9. annular piston; 10. suction pipe; 11. protective cover; 12. exhaust pipe; 13. slide groove; 14. slider; 15. first spring; 16. mounting plate; 17. wiping component; 18. slot; 19. block; 20. limit plate; 21. second spring; 22. push plate; 23. spiral tube; 24. micro circulation pump; 25. pipe head. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0030] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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] Embodiment 1:
[0032] Reference Figure 1-6 A mirror anti-fogging device for laparoscopic surgery comprises a laparoscope rod body 1 and a sleeve 3 fixedly sleeved on the outer wall of the end thereof, and also comprises: a lens 2 fixedly mounted on the end of the laparoscope rod body 1, wherein a rectangular groove 4 is arranged at the end of the sleeve 3, a heat preservation gap 5 is arranged between the sleeve 3 and the outer wall of the laparoscope rod body 1, and a plurality of annular heat pipes 6 close to the lens 2 are fixedly mounted on the inner wall of the sleeve 3; a transverse tube 7 fixedly mounted on the inner top of the rectangular groove 4, wherein a plurality of uniformly distributed nozzles 8 are fixedly mounted on the lower end of the transverse tube 7, an inflatable drying mechanism connected to the transverse tube 7 is arranged in the heat preservation gap 5, and before the laparoscope rod body 1 is used, a gas-filled drying mechanism is blown through the inner wall of the sleeve 3. The multiple annular heat pipes 6 can preheat the end of the laparoscope rod body 1 and the lens 2 in advance, and then store heat through the insulation gap 5, and prevent the heat from directly contacting the annular heat pipe 6, so that the lens 2 is not prone to fogging due to temperature difference when entering the patient's body. When the lens 2 still fogs up, hot air can be filled into the transverse tube 7 through the inflation and drying mechanism, and then blown from the nozzle 8 on the outer wall of the transverse tube 7 to the surface of the lens 2, the lens 2 will be heated by the hot air to remove the fog, and the hot air also has a certain air-drying effect, which makes the defogging of the lens 2 more convenient and efficient, thereby reducing the patient's surgical risk.
[0033] Furthermore, both ends of the sleeve 3 are provided with arc chamfers, which can prevent the sleeve 3 from causing secondary damage to the patient when being inserted into the patient's body.
[0034] Embodiment 2:
[0035] Reference Figure 1-6 , which is basically the same as Example 1, and further includes: a laparoscope rod body 1 and a sleeve 3 fixedly sleeved on the outer wall of the end thereof, and also includes: a lens 2, fixedly installed at the end of the laparoscope rod body 1, wherein a rectangular groove 4 is provided at the end of the sleeve 3, a heat preservation gap 5 is provided between the sleeve 3 and the outer wall of the laparoscope rod body 1, and a plurality of annular heat pipes 6 close to the lens 2 are fixedly installed on the inner wall of the sleeve 3; a transverse tube 7, fixedly installed on the inner top of the rectangular groove 4, wherein a plurality of uniformly distributed nozzles 8 are fixedly installed at the lower end of the transverse tube 7, and an inflation drying mechanism connected to the transverse tube 7 is provided in the heat preservation gap 5, and the inflation drying mechanism includes an annular piston 9 slidably connected in the heat preservation gap 5, and a plurality of circumferentially distributed air intake pipes 10 are fixedly connected to the side wall of the annular piston 9, one end of the plurality of air intake pipes 10 all extend into the heat preservation gap 5, and the plurality of air intake pipes 10 are all parallel to the laparoscope rod body 1, and the transverse tube 7 is connected to the heat preservation gap 5 through an exhaust pipe 12, and the exhaust pipe 12 is connected to the air intake pipe 1 0 is fixedly installed with a one-way valve. Before the laparoscope rod body 1 is used, the end of the laparoscope rod body 1 and the lens 2 can be preheated in advance through the multiple annular heat pipes 6 on the inner wall of the sleeve 3, and then the heat is stored through the thermal insulation gap 5 to prevent the heat from directly contacting the annular heat pipe 6, so that the lens 2 is not prone to fogging due to temperature difference when entering the patient's body. When the lens 2 still fogs during use, the annular piston 9 is pushed through the suction pipe 10, and the annular piston 9 will push the hot air in the thermal insulation gap 5 into the transverse tube 7 through the exhaust pipe 12, and finally blown from the nozzle 8 on the outer wall of the transverse tube 7 to the surface of the lens 2, and the lens 2 will be heated by the hot air to remove the fog, and the hot air also has a certain air-drying effect on the lens 2, thereby making the defogger of the lens 2 more convenient and efficient, thereby reducing the surgical risk of the patient. After the defogger is completed, the annular piston 9 is pulled back to its original position, and the thermal insulation gap 5 will inhale air through the suction pipe 10 under the action of the one-way valve.
[0036] Embodiment 3:
[0037] Reference Figure 2 , Figure 3 , Figure 4 as well as Figure 6, which is basically the same as Example 1, and further, the inflatable drying mechanism includes an annular piston 9 slidably connected to the insulation gap 5, and the side wall of the annular piston 9 is fixedly connected with multiple circumferentially distributed air intake pipes 10, one end of each of the multiple air intake pipes 10 extends into the insulation gap 5, and the multiple air intake pipes 10 are parallel to the laparoscope rod body 1, and the transverse tube 7 is connected to the insulation gap 5 through the exhaust pipe 12, and a one-way valve is fixedly installed in the exhaust pipe 12 and the air intake pipe 10, and the outer wall of the laparoscope rod body 1 is fixedly connected with a hollow limit plate 20, and the annular piston 9 and the limit plate 20 are elastically connected by a second spring 21. When the air intake pipe 10 is pushed, the second spring 21 will give the annular piston 9 a reaction force, pushing the annular piston 9 through the air intake pipe 10 The annular piston 9 will push the hot air in the insulation gap 5 into the transverse tube 7 through the exhaust pipe 12, and finally blow it toward the surface of the lens 2 from the nozzle 8 on the outer wall of the transverse tube 7. The lens 2 will be heated by the hot air to remove the mist, and the hot air also has a certain air-drying effect on the lens 2, thereby making the defogger of the lens 2 more convenient and efficient, thereby reducing the surgical risk of the patient. After the defogger is completed, the annular piston 9 is pulled back to its original position, and the insulation gap 5 will inhale air through the suction pipe 10 under the action of the one-way valve. After the suction pipe 10 is pushed, the second spring 21 will elastically reset the annular piston 9 to its initial position, thereby making the operation simpler and more labor-saving. During use, the hollow limit plate 20 will not affect the flow of hot air in the insulation gap 5.
[0038] Furthermore, a push plate 22 is fixedly installed at the end of the exhaust pipe 12, and the push plate 22 can make it more convenient for the operator to push the intake pipe 10.
[0039] Embodiment 4:
[0040] Reference Figure 2 , Figure 3 , Figure 4 as well as Figure 6, which is basically the same as Example 1, and further comprises: a laparoscope rod body 1 and a sleeve 3 fixedly sleeved on the outer wall of the end thereof, and also comprises: a lens 2 fixedly mounted on the end of the laparoscope rod body 1, wherein a rectangular groove 4 is provided at the end of the sleeve 3, a heat preservation gap 5 is provided between the sleeve 3 and the outer wall of the laparoscope rod body 1, and a plurality of annular heat pipes 6 close to the lens 2 are fixedly mounted on the inner wall of the sleeve 3; a transverse tube 7 fixedly mounted on the inner top of the rectangular groove 4, wherein a plurality of uniformly distributed nozzles 8 are fixedly mounted on the lower end of the transverse tube 7, and an air-drying mechanism connected to the transverse tube 7 is provided in the heat preservation gap 5, and the air-drying mechanism comprises a heat-insulating device slidably connected to the heat preservation gap 5; An annular piston 9 is arranged in the gap 5, and a plurality of circumferentially distributed air intake pipes 10 are fixedly connected to the side wall of the annular piston 9. One ends of the plurality of air intake pipes 10 extend into the heat preservation gap 5. The plurality of air intake pipes 10 are parallel to the laparoscope rod body 1. The transverse tube 7 is connected to the heat preservation gap 5 through the exhaust pipe 12. A one-way valve is fixedly installed in the exhaust pipe 12 and the air intake pipe 10. The left and right inner walls of the rectangular groove 4 are provided with slide grooves 13. Slide blocks 14 are slidably connected in the two slide grooves 13. The slide block 14 is elastically connected to the inner bottom of the slide groove 13 through a first spring 15. A wiping component 17 is detachably connected between the two slide blocks 14. Before the laparoscope rod body 1 is used, The end of the laparoscope rod body 1 and the lens 2 can be preheated in advance through the multiple annular heat pipes 6 on the inner wall of the sleeve 3, and then the heat is stored through the heat preservation gap 5 to prevent the heat from directly contacting the annular heat pipe 6, so that the lens 2 is not easy to fog due to temperature difference when entering the patient's body. When the lens 2 still fogs during use, the annular piston 9 is pushed through the suction pipe 10, and the annular piston 9 pushes the hot air in the heat preservation gap 5 into the transverse tube 7 through the exhaust pipe 12, and finally blows from the nozzle 8 on the outer wall of the transverse tube 7 to the surface of the lens 2, and the lens 2 is heated by the hot air to remove the fog, and the hot air has a certain effect on the lens. The head 2 also has a certain air-drying effect, which makes the defogger of the lens 2 more convenient and efficient, thereby reducing the surgical risk of the patient. After the defogger is completed, the annular piston 9 is pulled back to its original position, and the insulation gap 5 will inhale air through the suction pipe 10 under the action of the one-way valve. When the nozzle 8 blows air, the nozzle 8 will blow the wiping component 17 to the inner bottom of the rectangular groove 4. The wiping component 17 will absorb the mist and water on the outer wall of the lens 2 when sliding, thereby improving the defogging effect on the lens 2. When the nozzle 8 stops blowing, the first spring 15 will again drive the slider 14 and the wiping component 17 to return to the inner top of the rectangular groove 4, and complete the secondary wiping of the lens 2.
[0041] Furthermore, the wiping component 17 is a water-absorbing sponge, which can ensure the water absorption capacity of the wiping component 17, thereby ensuring the defogging effect of the lens 2.
[0042] Embodiment 5:
[0043] Reference Figure 4, which is basically the same as Example 1, and further, the opposite side walls of the two sliders 14 are provided with a card slot 18, a mounting plate 16 is provided between the two sliders 14, and both ends of the mounting plate 16 are provided with a card block 19 that cooperates with the card slot 18, and the opposite surfaces of the card slot 18 and the card block 19 are fixedly installed with magnets, and the wiping component 17 is fixedly installed on the side wall of the mounting plate 16. When the wiping component 17 needs to be replaced, the card blocks 19 at both ends of the mounting plate 16 are directly pulled out from the card slot 18, and then the card block 19 at the end of the new mounting plate 16 is inserted into the card slot 18, and the card block 19 can be adsorbed in the card slot 18 by the magnetic force of the magnet, so that the replacement of the wiping component 17 can be quickly completed, and it is more convenient to use.
[0044] Embodiment 6:
[0045] Reference Figure 1-6 , which is basically the same as Example 1, and further includes: a laparoscope rod body 1 and a sleeve 3 fixedly sleeved on the outer wall of its end, and also includes: a lens 2, which is fixedly installed at the end of the laparoscope rod body 1, wherein a rectangular groove 4 is provided at the end of the sleeve 3, and a heat preservation gap 5 is provided between the sleeve 3 and the outer wall of the laparoscope rod body 1, and a plurality of annular heat pipes 6 close to the lens 2 are fixedly installed on the inner wall of the sleeve 3; a transverse tube 7, which is fixedly installed on the inner top of the rectangular groove 4, wherein a plurality of evenly distributed nozzles 8 are fixedly installed at the lower end of the transverse tube 7, and an inflatable drying mechanism connected to the transverse tube 7 is provided in the heat preservation gap 5, a spiral tube 23 is fixedly installed in the inner wall of the sleeve 3, and both ends of the spiral tube 23 are provided with a tube head 25 extending to the outer wall of the sleeve 3, and a micro-circulation pump 24 is fixedly installed in the middle of the spiral tube 23. Before the laparoscope rod body 1 is used, the laparoscope rod can be purged by the plurality of annular heat pipes 6 on the inner wall of the sleeve 3. The end of the body 1 and the lens 2 are preheated in advance, and then heat is stored in the insulation gap 5, and the heat is prevented from directly contacting the annular heat pipe 6, so that the lens 2 is not prone to fogging due to temperature difference when entering the patient's body. When the lens 2 still fogs, hot air can be filled into the transverse tube 7 through the inflation and drying mechanism, and then blown to the surface of the lens 2 from the nozzle 8 on the outer wall of the transverse tube 7, and the lens 2 will be heated by the hot air to remove the fog, and the hot air also has a certain air-drying effect, thereby making the defogging of the lens 2 more convenient and efficient, thereby reducing the patient's surgical wind. In the use of the laparoscope rod body 1, the micro-circulation pump 24 will absorb the hot air in the surgical cavity through one of the tube heads 25, and then discharge it through the other end tube head 25 of the spiral tube 23, so that the patient's body temperature can keep the sleeve 3 warm, thereby making the anti-fogging effect of the lens 2 better.
[0046] Furthermore, the outer walls of the ends of the two tube heads 25 are fixedly sleeved with a hollow protective cover 11, which can prevent the tube heads 25 from being blocked by foreign objects in the patient's body, thereby improving the normal use of the spiral tube 23.
[0047] Working principle: In the present invention, before the laparoscope rod body 1 is used, the end of the laparoscope rod body 1 and the lens 2 can be preheated in advance through the multiple annular heat pipes 6 on the inner wall of the sleeve 3, and then the heat is stored through the heat preservation gap 5 to prevent the heat from directly contacting the annular heat pipe 6, so that the lens 2 is not easy to fog due to temperature difference when entering the patient's body. When the lens 2 still fogs, the annular piston 9 is pushed through the suction pipe 10, and the annular piston 9 pushes the hot air in the heat preservation gap 5 into the transverse pipe 7 through the exhaust pipe 12, and finally from the outer wall of the transverse pipe 7. The nozzle 8 blows toward the surface of the lens 2, and the lens 2 is heated by the hot air to remove the mist, and the hot air also has a certain air-drying effect, which makes the defogger of the lens 2 more convenient and efficient, thereby reducing the surgical risk of the patient. After pushing the suction pipe 10, the second spring 21 will elastically reset the annular piston 9 to the initial position, making the operation simpler and more labor-saving. During use, the hollow limit plate 20 will not affect the flow of hot air in the insulation gap 5. After the defogger is completed, the annular piston 9 is pulled back to its original position, and the insulation gap 5 will be filled with hot air through the suction pipe under the action of the one-way valve. 10 inhales air. When the nozzle 8 blows air, the nozzle 8 will blow the wiping component 17 toward the inner bottom of the rectangular groove 4. The wiping component 17 will absorb the mist on the outer wall of the lens 2 when sliding, thereby improving the demisting effect on the lens 2. When the nozzle 8 stops blowing air, the first spring 15 will drive the slider 14 and the wiping component 17 to return to the inner top of the rectangular groove 4 again, and complete the secondary wiping of the lens 2. After pushing the suction pipe 10, the second spring 21 will elastically return the annular piston 9 to the initial position, making the operation simpler and more labor-saving. In the use of the laparoscope rod body 1 The micro-circulation pump 24 will absorb the hot air in the surgical cavity through one of the tube heads 25, and then discharge it through the tube head 25 at the other end of the spiral tube 23, so that the patient's body temperature can keep the sleeve 3 warm, thereby making the anti-fog effect of the lens 2 better. When the wiping component 17 needs to be replaced, the blocks 19 at both ends of the mounting plate 16 are directly pulled out from the slots 18, and then the blocks 19 at the end of the new mounting plate 16 are inserted into the slots 18. The blocks 19 can be adsorbed in the slots 18 by the magnetic force of the magnet, so that the wiping component 17 can be quickly replaced, which is more convenient to use.
[0048] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A mirror anti-fogging device for laparoscopic surgery, comprising a laparoscope rod (1) and a sleeve (3) fixedly sleeved on the outer wall of the end thereof, characterized in that: Also includes: The lens (2) is fixedly mounted on the end of the laparoscope rod (1). The end of the sleeve (3) is provided with a rectangular groove (4), a heat-insulating gap (5) is provided between the sleeve (3) and the outer wall of the laparoscope rod body (1), and a plurality of annular heat pipes (6) close to the lens (2) are fixedly mounted on the inner wall of the sleeve (3); The transverse tube (7) is fixedly mounted on the inner top of the rectangular groove (4). Wherein, a plurality of evenly distributed nozzles (8) are fixedly mounted on the lower end of the transverse tube (7), and an air-filled drying mechanism connected to the transverse tube (7) is provided in the heat-insulating gap (5); The inflatable drying mechanism comprises an annular piston (9) slidably connected in the heat preservation gap (5); a plurality of circumferentially distributed air intake pipes (10) are fixedly connected to the side wall of the annular piston (9); one end of each of the plurality of air intake pipes (10) extends into the heat preservation gap (5); each of the plurality of air intake pipes (10) is parallel to the laparoscope rod body (1); the transverse pipe (7) is connected to the heat preservation gap (5) via an exhaust pipe (12); and one-way valves are fixedly installed in each of the exhaust pipe (12) and the air intake pipe (10); The left and right inner walls of the rectangular groove (4) are both provided with a slide groove (13), and a slider (14) is slidably connected in the two slide grooves (13). The slider (14) is elastically connected to the inner bottom of the slide groove (13) via a first spring (15), and a wiping component (17) is detachably connected between the two sliders (14); A spiral tube (23) is fixedly mounted inside the inner wall of the sleeve (3), and a micro-circulation pump (24) is fixedly mounted in the middle of the spiral tube (23).
2. The anti-fogging device for mirror surface used in laparoscopic surgery according to claim 1, characterized in that: A hollowed-out limiting plate (20) is fixedly connected to the outer wall of the laparoscope rod body (1), and the annular piston (9) and the limiting plate (20) are elastically connected via a second spring (21).
3. The anti-fogging device for mirror surface used in laparoscopic surgery according to claim 1, characterized in that: Opposing side walls of the two sliders (14) are provided with a slot (18), a mounting plate (16) is provided between the two sliders (14), both ends of the mounting plate (16) are provided with a block (19) that cooperates with the slot (18), magnets are fixedly mounted on opposing surfaces of the slot (18) and the block (19), and the wiping component (17) is fixedly mounted on the side wall of the mounting plate (16).
4. The anti-fogging device for mirror surface used in laparoscopic surgery according to claim 3, characterized in that: Both ends of the spiral tube (23) are provided with tube heads (25) extending to the outer wall of the sleeve (3).
5. The anti-fogging device for mirror surface used in laparoscopic surgery according to claim 4, characterized in that: The outer walls of the ends of the two pipe heads (25) are both fixedly sleeved with a hollow protective cover (11).
6. The anti-fogging device for mirror surface used in laparoscopic surgery according to claim 1, characterized in that: A push plate (22) is fixedly mounted on the end of the exhaust pipe (12).
7. The anti-fogging device for mirror surface used in laparoscopic surgery according to claim 1, characterized in that: The wiping component (17) is a water-absorbing sponge.
8. The anti-fogging device for mirror surface used in laparoscopic surgery according to claim 1, characterized in that: Both ends of the sleeve (3) are provided with circular arc chamfers.
Citation Information
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