Laparoscope with anti-fogging function

Abstract

The utility model relates to the technical field of medical instruments, in particular to a laparoscope with an anti-fogging function, which comprises a laparoscope rod and a lens body, a handle is arranged at one end of the laparoscope rod, the lens body is mounted at one end, far away from the handle, of the laparoscope rod, an optical fiber is further arranged in the laparoscope rod, one end of the optical fiber is connected with the lens body, and the other end of the optical fiber is connected with the lens body. The other end of the connecting rod penetrates through the handle and extends to the outer side of the handle, a connecting ring is further installed between the mirror rod and the handle, and a ventilation frame and an adjusting frame are installed on the side wall of the connecting ring. The device is provided with the innovative cleaning assembly, the situation that the lens body is contaminated with tissue fluid and other pollutants can be handled, the cleaning ring can be driven to rotate through the synergistic effect of the rotary knob, the adjusting shaft and the pull rope, the surface of the lens body is cleaned, the cleaning process is simplified through the design, and the cleaning efficiency and accuracy are improved; and the continuous clearness of the lens surface in the operation process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a laparoscope with anti-fog function. BACKGROUND

[0002] The laparoscope is a kind of medical instrument with miniature camera head, and the laparoscopic surgery is transmitted to the display in real time by high-definition camera head with the condition in abdominal cavity, so that the doctor can clearly observe the condition in abdominal cavity, which helps the doctor to more accurately operate and improves the success rate and safety of operation, and simultaneously, the laparoscopic surgery only needs to carry out several small incisions in the abdomen, which greatly reduces surgical trauma compared with large incision of traditional operation.

[0003] However, during the operation of the laparoscope, due to the temperature difference between the laparoscope and the patient's body, the temperature difference easily causes the lens to fog during operation, which seriously affects the surgical field of view, and the lens body is also easily contaminated with tissue fluid and other pollutants, which causes the surgical field of view to be blurred, and the laparoscope needs to be taken out to clean the lens, which not only increases the complexity and time of the operation, but also may cause additional harm to the patient.

[0004] Or as provided in the publication "CN221635717U", a lens anti-fog structure for laparoscope, the device can quickly scrape off the mirror surface fogging of the lens by setting the cleaning frame, which can effectively avoid the situation that the fogging caused by temperature difference cannot be quickly removed, and is more convenient to use, and can scrape off the fog while removing some blood and cavity fluid adhered to the lens, prevent the influence of fog and blood on lens shooting, and ensure that the laparoscope body can maintain the clarity of the internal cavity inspection.

[0005] However, the above device still has the following problems in the implementation process:

[0006] When the device is used, although the fog on the mirror surface can be scraped off by the cleaning frame, the long strip plate and connecting shaft in the device are all arranged on the outside of the laparoscope body, and a large surgical incision is needed to place these structures together with the laparoscope body into the patient's body during use, which increases the additional harm to the patient. UTILITY MODEL CONTENT

[0007] The utility model aims at providing a laparoscope with anti-fog function to solve the problems in the above background technology.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0009] The utility model provides an anti-fog function's laparoscope, including mirror stem and camera lens main part, one end of mirror stem is provided with handle, camera lens main part is installed on the one end of mirror stem far from handle, still be provided with optical fiber in mirror stem, one end of optical fiber links with camera lens main part, the other end penetrates handle and extends to the outside of handle, still be installed with connecting ring between mirror stem and handle, install on the lateral wall of connecting ring and have the ventilation frame and the adjusting frame, open ventilation channel on ventilation frame, the air inlet end of ventilation channel links with outside gas source, still be provided with the cleaning assembly for cleaning camera lens main part surface in the adjusting frame,

[0010] The end of the mirror rod close to the camera lens main part is also provided with a protective ring.

[0011] Preferably, the air outlet end of the ventilation channel penetrates the mirror rod and communicates with the protective ring, and a one-way valve is further arranged on the air outlet end of the ventilation channel.

[0012] The adjusting channel is formed in the adjusting frame, and the cleaning assembly is arranged in the adjusting channel.

[0013] Preferably, the cleaning assembly comprises a cleaning ring, which is rotatably connected to the side of the mirror rod close to the camera lens main part, and the inner side of the cleaning ring is in contact with the surface of the camera lens main part.

[0014] Preferably, one end of the cleaning ring is fixedly connected with a rotating shaft, the other end of the rotating shaft is rotatably connected in the inner wall of the protective ring, the other end of the cleaning ring is provided with two connecting discs, the connecting disc close to the cleaning ring is fixed with the cleaning ring, a synchronous shaft is further arranged between the two connecting discs, the two ends of the synchronous shaft respectively penetrate through the two connecting discs and extend into the two connecting discs, and the connecting disc away from the cleaning ring is rotatably connected to the inner wall of the protective ring through a rotating shaft.

[0015] Preferably, a pull rope is wound around the synchronous shaft, one end of the pull rope is fixed with the synchronous shaft, and the other end penetrates into the adjusting channel and extends into the adjusting frame, the cleaning assembly further comprises an adjusting shaft, the adjusting shaft is rotatably connected in the adjusting frame, and the extension end of the adjusting channel is fixed on the adjusting shaft.

[0016] A connecting shaft is further fixedly connected to the side wall of one side of the adjusting shaft, and the other end of the connecting shaft penetrates through the adjusting frame and is fixedly connected with a knob.

[0017] Preferably, a clockwork spring is further arranged in the connecting disc away from the cleaning ring, the clockwork spring is slidably arranged in the adjacent connecting disc, one end of the clockwork spring is fixed with the inner wall of the connecting disc, and the other end is fixed with the extension end of the synchronous shaft.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] 1. This utility model is equipped with an innovative cleaning component that can handle contaminants such as tissue fluid on the lens body. By turning the knob, the coordinated action of the adjusting shaft and the pull rope can drive the cleaning ring to rotate and clean the surface of the lens body. This design not only simplifies the cleaning process but also improves the efficiency and accuracy of cleaning, ensuring the continuous clarity of the lens surface during surgery. At the same time, by placing the cleaning component inside the endoscope rod, the cleaning component can be smoothly inserted into the patient's body along with the endoscope rod without the need to enlarge the surgical incision, reducing additional harm to the patient.

[0020] 2. In this utility model, while the cleaning ring rotates, the spring contracts and stores energy. When cleaning is completed, the knob is released, the spring returns to its original position, and the cleaning ring rotates in the opposite direction to reset, so as to clean the surface of the lens body again. This design not only improves the thoroughness of cleaning, but also realizes the automatic reset of the cleaning ring, reducing the complexity of operation.

[0021] 3. This utility model achieves real-time defogging during surgery by designing a ventilation channel that connects to an external air source. When fog forms on the surface of the lens due to temperature or humidity differences, affecting the surgical field of vision, simply opening the external air source allows low-temperature carbon dioxide gas to quickly flow through the ventilation channel to the lens, effectively clearing the fog and ensuring a clear surgical field of vision. This design not only improves the efficiency and safety of surgery but also greatly reduces the surgical risks caused by blurred vision. Attached Figure Description

[0022] Fig. 1 This is a first-view schematic diagram of the present invention;

[0023] Fig. 2 This is a schematic diagram of the internal structure of the mirror rod in this utility model;

[0024] Fig. 3 This is a schematic diagram of the bottom structure of the mirror rod in this utility model;

[0025] Fig. 4 This is a partial structural diagram of the cleaning component in this utility model;

[0026] Fig. 5 This is a schematic diagram of the internal structure of the connecting plate in this utility model;

[0027] Fig. 6 This is a partial structural diagram of the cleaning component in this utility model.

[0028] In the figure: 1, mirror rod; 11, handle; 12, connecting ring; 13, ventilation frame; 14, adjusting frame; 15, optical fiber; 16, protective ring; 17, ventilation channel; 18, adjusting channel; 2, lens body; 3, cleaning assembly; 31, cleaning ring; 32, rotating shaft; 33, connecting disc; 34, synchronous shaft; 35, pull rope; 36, clockwork spring; 37, adjusting shaft; 38, knob. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] Embodiment one, please refer to Figs. 1-3 A laparoscope with anti-fogging function, comprising a mirror rod 1 and a lens body 2, one end of the mirror rod 1 is provided with a handle 11, the lens body 2 is installed on the end of the mirror rod 1 away from the handle 11, the mirror rod 1 is further provided with an optical fiber 15, one end of the optical fiber 15 is connected with the lens body 2, the other end penetrates through the handle 11 and extends to the outside of the handle 11, a connecting ring 12 is further installed between the mirror rod 1 and the handle 11, a ventilation frame 13 and an adjusting frame 14 are installed on the side wall of the connecting ring 12, a ventilation channel 17 is formed in the ventilation frame 13, the air inlet end of the ventilation channel 17 is connected with an external gas source, a cleaning assembly 3 for cleaning the surface of the lens body 2 is arranged in the adjusting frame 14, a protective ring 16 is further installed on the end of the mirror rod 1 close to the lens body 2, the air outlet end of the ventilation channel 17 penetrates through the mirror rod 1 and is connected with the protective ring 16, a one-way valve is further arranged on the air outlet end of the ventilation channel 17, an adjusting channel 18 is formed in the adjusting frame 14, and the cleaning assembly 3 is arranged in the adjusting channel 18.

[0031] Before use, first, the ventilation channel 17 is connected with the external gas source, during the operation process, when the surface of the lens body 2 is fogged and affects the operation field of view, the external gas source is opened, the relatively low-temperature carbon dioxide gas enters the mirror rod 1 through the ventilation channel 17, and flows towards the lens body 2 through the ventilation channel 17, so that the surface of the lens body 2 is defogged by the input gas;

[0032] At the same time, when the lens body 2 is contaminated by tissue fluid and affects the line of sight, the surface of the lens body 2 can be cleaned by starting the cleaning assembly 3, so that the surface of the lens body 2 remains clear and the interference with the operation field of view is reduced.

[0033] Embodiment two, please refer to Figs. 1-6, the cleaning assembly 3 comprises a cleaning ring 31, the cleaning ring 31 is rotationally connected to the mirror rod 1 near one side of the lens barrel 2, and the inner side of the cleaning ring 31 is in contact with the surface of the lens barrel 2, one end of the cleaning ring 31 is fixedly connected with a rotating shaft 32, the other end of the rotating shaft 32 is rotationally connected in the inner wall of the protective ring 16, the other end of the cleaning ring 31 is provided with two connecting discs 33, the connecting disc 33 close to the cleaning ring 31 is fixed with the cleaning ring 31, a synchronous shaft 34 is also installed between the two connecting discs 33, and the two ends of the synchronous shaft 34 respectively penetrate through the two connecting discs 33 and extend into the two connecting discs 33, the connecting disc 33 away from the cleaning ring 31 is rotationally connected in the inner wall of the protective ring 16 through a rotating shaft, a pull rope 35 is wound on the synchronous shaft 34, one end of the pull rope 35 is fixed with the synchronous shaft 34, and the other end penetrates into the adjusting channel 18 and extends into the adjusting frame 14, the cleaning assembly 3 further comprises an adjusting shaft 37, the adjusting shaft 37 is rotationally connected in the adjusting frame 14, the extension end of the adjusting channel 18 is fixed on the adjusting shaft 37, a connecting shaft is also fixedly connected on the side wall of one side of the adjusting shaft 37, and the other end of the connecting shaft penetrates through the adjusting frame 14 and is fixedly connected with a knob 38, a clock spring 36 is also installed in the connecting disc 33 away from the cleaning ring 31, the clock spring 36 is slidingly arranged in the adjacent connecting disc 33, one end of the clock spring 36 is fixed with the inner wall of the connecting disc 33, and the other end is fixed with the extension end of the synchronous shaft 34;

[0034] When the lens barrel 2 is cleaned by the cleaning assembly 3, first, the knob 38 is rotated, the adjusting shaft 37 is rotated at the same time by rotating the knob 38, the adjusting shaft 37 pulls the pull rope 35 to be wound, when the pull rope 35 is wound, the synchronous shaft 34 at the other end is rotated under the action of the pull rope 35, the cleaning ring 31 is rotated in the protective ring 16 by the synchronous shaft 34, and the surface of the lens barrel 2 is cleaned by the rotation of the cleaning ring 31;

[0035] At the same time, when the synchronous shaft 34 rotates, the clock spring 36 in the connecting disc 33 is retracted at the same time, the clock spring 36 is tightened, and the surface of the lens barrel 2 is cleaned again.

[0036] Working principle: before use, first, the ventilation channel 17 is communicated with the external gas source, during the operation, when the surface of the lens barrel 2 is fogged and affects the operation field of view, the external gas source is opened, the relatively low-temperature carbon dioxide gas enters the mirror rod 1 through the ventilation channel 17, and flows towards the lens barrel 2 through the ventilation channel 17, and the input gas is used to defog the surface of the lens barrel 2;

[0037] Meanwhile, when the lens body 2 is contaminated with tissue fluid affecting the line of sight, rotating the knob 38 drives the adjusting shaft 37 to rotate, the adjusting shaft 37 pulls the pull rope 35 to wind, when the pull rope 35 is wound, the synchronous shaft 34 at the other end is driven to rotate by the pull rope 35, the cleaning ring 31 is driven to rotate by the synchronous shaft 34, and the surface of the lens body 2 is cleaned by the rotation of the cleaning ring 31;

[0038] Meanwhile, when the synchronous shaft 34 rotates, the synchronous shaft 34 drives the clockwork spring 36 in the connecting disc 33 to contract, the clockwork spring 36 is tightened to store energy, after the surface of the lens body 2 is cleaned, the knob 38 is released, the clockwork spring 36 in the connecting disc 33 is reset, the synchronous shaft 34 is reversely driven to rotate, the synchronous shaft 34 drives the cleaning ring 31 to reversely rotate and reset, and the surface of the lens body 2 is cleaned again, the surface of the lens body 2 is cleaned by the cleaning assembly 3, the surface of the lens body 2 is kept clear, and the interference with the surgical field of view is reduced.

[0039] It should be noted that the devices in the application are common market devices, and can be selected according to the needs during specific use, and the circuit connection relationship of each device is a simple series and parallel connection circuit, and there is no innovation point in the circuit connection part, and the person skilled in the art can easily realize it, which belongs to the prior art, and will not be described in detail.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A laparoscope with anti-fogging function, comprising a mirror rod (1) and a mirror head body (2), characterized in that: One end of the mirror rod (1) is provided with a handle (11), the lens body (2) is installed on the end of the mirror rod (1) away from the handle (11), the mirror rod (1) is further provided with an optical fiber (15), one end of the optical fiber (15) is connected with the lens body (2), the other end penetrates through the handle (11) and extends to the outside of the handle (11), a connecting ring (12) is further installed between the mirror rod (1) and the handle (11), the side wall of the connecting ring (12) is provided with a ventilation frame (13) and an adjusting frame (14), the ventilation frame (13) is provided with a ventilation channel (17), the air inlet end of the ventilation channel (17) is connected with an external air source, the adjusting frame (14) is provided with a cleaning assembly (3) for cleaning the surface of the lens body (2). The end of the mirror rod (1) close to the lens body (2) is further provided with a protective ring (16).

2. The laparoscope with anti-fogging function according to claim 1, characterized in that: The air outlet end of the ventilation channel (17) penetrates through the mirror rod (1) and is connected with the protective ring (16), and a one-way valve is further arranged on the air outlet end of the ventilation channel (17). The adjusting frame (14) is provided with an adjusting channel (18), and the cleaning assembly (3) is arranged in the adjusting channel (18).

3. The laparoscope with anti-fogging function according to claim 1, characterized in that: The cleaning assembly (3) comprises a cleaning ring (31), the cleaning ring (31) is rotatably connected to the side of the mirror rod (1) close to the lens body (2), and the inner side of the cleaning ring (31) is in contact with the surface of the lens body (2).

4. The laparoscope with anti-fogging function according to claim 3, characterized in that: One end of the cleaning ring (31) is fixedly connected with a rotating shaft (32), the other end of the rotating shaft (32) is rotatably connected in the inner wall of the protective ring (16), the other end of the cleaning ring (31) is provided with two connecting discs (33), the connecting disc (33) close to the cleaning ring (31) is fixed with the cleaning ring (31), a synchronous shaft (34) is further installed between the two connecting discs (33), and the two ends of the synchronous shaft (34) respectively penetrate through the two connecting discs (33) and extend into the two connecting discs (33), and the connecting disc (33) away from the cleaning ring (31) is rotatably connected in the inner wall of the protective ring (16) through a rotating shaft.

5. The laparoscope with anti-fogging function according to claim 4, characterized in that: The synchronous shaft (34) is wound with a pull rope (35), one end of the pull rope (35) is fixed with the synchronous shaft (34), and the other end penetrates into the adjusting channel (18) and extends into the adjusting frame (14), the cleaning assembly (3) further comprises an adjusting shaft (37), the adjusting shaft (37) is rotatably connected in the adjusting frame (14), and the extension end of the adjusting channel (18) is fixed on the adjusting shaft (37). The side wall of one side of the adjusting shaft (37) is further fixedly connected with a connecting shaft, and the other end of the connecting shaft penetrates through the adjusting frame (14) and is fixedly connected with a knob (38).

6. The laparoscope with anti-fogging function according to claim 5, characterized in that: The connecting disc (33) away from the cleaning ring (31) is further provided with a clockwork spring (36), the clockwork spring (36) is slidably arranged in the adjacent connecting disc (33), one end of the clockwork spring (36) is fixed with the inner wall of the connecting disc (33), and the other end is fixed with the extension end of the synchronous shaft (34).

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