A laparoscopic surgery simulator

Abstract

This invention relates to a laparoscopic surgery simulation trainer, comprising an abdominal cavity simulation device, a laparoscopic simulation device, and a display screen. The abdominal cavity simulation device includes a housing and a monitoring rod. The housing is open at the front, and a partition separates the housing into a front simulation cavity and a rear power cavity. An abdominal cavity simulation layer is disposed within the simulation cavity, and the abdominal cavity simulation layer is tubular, made of flexible rubber. A camera is mounted at one end of the monitoring rod and located in the simulation cavity, and the other end is located in the power cavity. A light source is provided at the operating end of the laparoscopic simulation device. A circular tubular mounting sleeve is arrayed within the interlayer between the abdominal cavity simulation layer and the housing. The abdominal cavity simulation layer has multiple through holes evenly distributed around the axis of the mounting sleeve, and multiple photosensitive sensors are evenly distributed on the inner wall of the mounting sleeve. The purpose of this invention is to solve or at least alleviate the problem of difficulty in viewing the operation process and results within the abdominal cavity in current transvaginal laparoscopic surgery simulation devices, and to provide a laparoscopic surgery simulation trainer.

Description

Technical Field

[0001] This invention belongs to the field of medical training equipment technology, and in particular relates to a laparoscopic surgery simulator. Background Technology

[0002] Natural orifice endoscopic surgery (NOTES) is an emerging minimally invasive surgical technique. The vagina is a natural cavity, allowing women to perform minimally invasive laparoscopic surgery on the abdominal cavity via the vagina. As a novel minimally invasive treatment, this procedure completes gynecological surgery through the vagina without leaving any scars. The advantages of transvaginal surgery go beyond aesthetics. Because it involves less contact with the peritoneum and abdominal organs, the peritoneal reaction is mild, and the incidence of postoperative intestinal obstruction and adhesions is extremely low. Patients experience less postoperative pain and recover faster, aligning with the concept of rapid postoperative recovery. Compared to traditional abdominal incisions, it allows for better exposure and exploration of pelvic and abdominal structures, making the surgery safer.

[0003] However, transvaginal laparoscopic surgery places higher demands on surgeons. The surgical field is from bottom to top, altering traditional laparoscopic surgical habits and completely reversing the anatomical sensory experience. This requires surgeons to have a strong anatomical foundation and proficiency in single-port abdominal and vaginal surgery. For a new technique, the optimal learning process is theoretical instruction followed by cadaver dissection, but the technique is more difficult to master than conventional laparoscopic surgery.

[0004] To address the challenge of mastering the procedure, utility model patent CN212966744U discloses a transvaginal VNOTES laparoscopic surgical simulator. This simulator includes a simulation box, an operating panel, a posterior uterine wall simulation indicator panel, an incision and suturing simulation indicator panel, a posterior pelvic wall simulation indicator panel, a simulated vagina, and a vaginal dilator (PORT) simulation assembly. The operating panel, posterior uterine wall simulation indicator panel, incision and suturing simulation indicator panel, and posterior pelvic wall simulation indicator panel are all installed within the simulation box. The simulated vagina is mounted on the side wall of the simulation box, and the vaginal dilator (PORT) simulation assembly is installed inside the simulated vagina. This utility model, by designing several key surgical-related simulation indicator panels, helps beginners quickly learn and understand relevant surgical procedures.

[0005] However, the technical solution disclosed in this patent can only simulate the operation, and it is not easy or possible to view the operation process and results inside the abdominal cavity, making it difficult for operators to improve their surgical skills in a targeted manner. Summary of the Invention

[0006] The purpose of this invention is to overcome the shortcomings of the prior art, solve or at least alleviate the problem that current transvaginal laparoscopic surgery simulation devices are not easy to view the operation process and results inside the abdominal cavity, and to provide a laparoscopic surgery simulation trainer.

[0007] This invention is achieved through the following technical solution:

[0008] A laparoscopic surgery simulation trainer includes an abdominal cavity simulation device, a laparoscopic simulation device, and a display screen. The abdominal cavity simulation device is used to simulate the abdominal cavity environment, the laparoscopic simulation device is used to simulate a laparoscope, and the display screen is used to display the status of the laparoscopic simulation device within the abdominal cavity simulation device. The abdominal cavity simulation device includes a shell and a monitoring rod. The shell is a shell-shaped structure with an open front end. A partition is vertically fixed in the middle of the shell, and a circular opening is provided in the middle of the partition. The partition divides the interior of the shell into a front simulation cavity and a rear power cavity. An abdominal cavity simulation layer is provided within the simulation cavity. The layer is tubular and made of flexible rubber. One end of the abdominal cavity simulation layer is fixed to the partition and the other end is located at the opening of the outer shell. The abdominal cavity simulation layer forms a vaginal entrance at the opening of the outer shell. A sandwich layer is formed between the abdominal cavity simulation layer and the outer shell. One end of the monitoring rod is equipped with a camera and is located in the simulation cavity, and the other end is located in the power cavity. The laparoscopic simulation device is flexible and long. The operating end of the laparoscopic simulation device extends into the abdominal cavity simulation layer. The operating end of the laparoscopic simulation device is equipped with a light source. The illumination direction of the light source extends along the axial direction of the laparoscopic simulation device. The middle part of the laparoscopic simulation device is installed at the opening of the outer shell.

[0009] The abdominal cavity simulation layer and the outer shell are sandwiched together with a cylindrical mounting sleeve. The abdominal cavity simulation layer has multiple through holes evenly distributed around the axis of the mounting sleeve. The inner wall of the mounting sleeve is evenly distributed with multiple photosensitive sensors.

[0010] The light emitted by the light source of the laparoscopic simulation device's operating end shines through the perforation of the laparoscopic simulation layer onto the photosensitive sensor on the inner wall of the mounting sleeve. The position of the photosensitive sensor is used to determine the area illuminated by the laparoscopic simulation device's operating end, thereby driving the monitoring rod to adjust its position so that the camera on the monitoring rod faces that area.

[0011] To further realize the present invention, the following technical solutions may be preferred:

[0012] Preferably, the power cavity of the outer shell is provided with a rotating sleeve. The front part of the rotating sleeve is a concave hemispherical shape and is rotatably mounted on the partition. The rear part of the rotating sleeve is cylindrical. The rear end of the rotating sleeve is rotatably connected to the bottom surface of the outer shell. A positioning strip is fixedly provided in the middle of the front end of the rotating sleeve. A sliding groove is provided in the middle of the monitoring rod along its length direction. The sliding groove is slidably fitted onto the positioning strip.

[0013] Preferably, a translation plate is provided inside the rotating sleeve, the translation plate is arranged radially along the rotating sleeve and translates axially along the rotating sleeve, and the end of the monitoring rod is hinged to the translation plate.

[0014] Preferably, a gear ring is fixedly provided on the inner wall of the rear end of the rotating sleeve, and a drive gear is rotatably provided on the bottom surface of the outer shell, the drive gear engaging with the gear ring.

[0015] Preferably, a screw and a slide rod are provided axially inside the rotating sleeve. The screw and slide rod are located at both ends of the translation plate, respectively. The screw and slide rod are threadedly fitted and slidably fitted onto the translation plate, respectively. The front and rear ends of the screw are rotatably connected to the front part of the rotating sleeve and the gear ring, respectively. The front and rear ends of the slide rod are fixedly connected to the front part of the rotating sleeve and the gear ring, respectively.

[0016] Preferably, a slider is provided on the side of the translation plate facing the monitoring rod, the slider is disposed on the translation plate along the length direction of the translation plate, and the end of the monitoring rod is hinged to the slider.

[0017] Preferably, an optical fiber is embedded in the via of the abdominal cavity simulation layer, and the optical fiber is arranged along the length direction of the via.

[0018] Preferably, the monitoring pole is equipped with a supplementary light, which is located near the camera and the illumination direction of the supplementary light is the same as that of the camera.

[0019] Preferably, the color of the light emitted by the supplementary light lamp is different from the color of the light emitted by the light source of the laparoscopic simulation device.

[0020] Preferably, the photosensitive sensor is a color-sensitive sensor, and the color sensed by the color-sensitive sensor is the same as the color of the light emitted by the light source of the laparoscopic simulation device.

[0021] The beneficial effects of the present invention through the above technical solution are:

[0022] This invention is equipped with a monitoring rod, and a camera is installed at the end of the monitoring rod. By changing the position of the monitoring rod inside the housing, the camera's beam direction is aligned with the operating end of the laparoscopic simulation device, thereby displaying the operation process and results inside the abdominal cavity in real time on the display screen, which helps users to improve their operation skills in a targeted manner.

[0023] The abdominal cavity simulation layer of this invention has perforations, and the operating end of the laparoscopic simulation device is equipped with a light source. Multiple photosensitive sensors are evenly distributed on the inner wall of the mounting sleeve. The specific position of the operating end of the laparoscopic simulation device within the outer shell is determined by the light emitted from its light source, thereby driving the position of the monitoring rod and ensuring the camera is always aligned with the operating position of the laparoscopic simulation device's operating end. This achieves real-time, fixed-point, follow-up monitoring, ensuring effective viewing. Attached Figure Description

[0024] Figure 1 This is a cross-sectional view of the structure of the present invention;

[0025] Figure 2This is a schematic diagram of the structure of the present invention;

[0026] Figure 3 For the present invention Figure 1 Sectional view at point AA;

[0027] Figure 4 For the present invention Figure 1 Sectional view at point BB;

[0028] Figure 5 This is a cross-sectional view of the outer casing of the present invention;

[0029] Figure 6 This is a schematic diagram of the abdominal cavity simulation layer of the present invention;

[0030] Figure 7 This is a schematic diagram of the mounting sleeve and photosensitive sensor of the present invention;

[0031] Figure 8 This is a schematic diagram of the rotating sleeve of the present invention;

[0032] Figure 9 This is a cross-sectional view of the rotating sleeve of the present invention;

[0033] Figure 10 This is a schematic diagram of the monitoring pole and camera of the present invention;

[0034] The components are: 1-outer shell; 2-monitoring pole; 3-partition; 4-abdominal cavity simulation layer; 5-camera; 6-laparoscopic simulation equipment; 7-mounting sleeve; 8-photosensitive sensor; 9-rotating sleeve; 10-positioning strip; 11-translation plate; 12-gear ring; 13-slider; 14-screw; 15-slide bar; 16-drive gear. Detailed Implementation

[0035] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example 1:

[0037] like Figures 1-10 As shown, a laparoscopic surgery simulator includes an abdominal cavity simulation device, a laparoscopic simulation device 6, and a display screen. The abdominal cavity simulation device is used to simulate the abdominal cavity environment, the laparoscopic simulation device 6 is used to simulate a laparoscope, and the display screen is used to display the status of the laparoscopic simulation device 6 within the abdominal cavity simulation device. The abdominal cavity simulation device includes a housing 1 and a monitoring rod 2. The housing 1 is a shell-shaped structure with an open front end. A partition 3 is vertically fixed in the middle of the housing 1, and a circular opening is provided in the middle of the partition 3. The partition 3 divides the interior of the housing 1 into a front simulation cavity and a rear power cavity. An abdominal cavity simulation layer 4 is provided within the simulation cavity. The abdominal cavity simulation layer 4 is made of flexible material. The tubular structure made of rubber has an abdominal cavity simulation layer 4 fixed at one end to a partition 3 and at the other end at the opening of the outer shell 1. The abdominal cavity simulation layer 4 forms a vaginal entrance at the opening of the outer shell 1, and a sandwich is formed between the abdominal cavity simulation layer 4 and the outer shell 1. A camera 5 is installed at one end of the monitoring rod 2 and is located in the simulation cavity, while the other end is located in the power cavity. The laparoscopic simulation device 6 is a flexible strip. The operating end of the laparoscopic simulation device 6 extends into the abdominal cavity simulation layer 4. The operating end of the laparoscopic simulation device 6 is equipped with a light source. The direction of illumination of the light source extends along the axial direction of the laparoscopic simulation device 6. The middle part of the laparoscopic simulation device 6 is installed at the opening of the outer shell 1.

[0038] A cylindrical mounting sleeve 7 is arranged in an array within the interlayer between the abdominal cavity simulation layer 4 and the outer shell 1. Multiple through holes are evenly distributed in the abdominal cavity simulation layer 4 with the axis of the mounting sleeve 7 as the center. Multiple photosensitive sensors 8 are evenly distributed on the inner wall of the mounting sleeve 7.

[0039] The light emitted by the light source of the operating end of the laparoscopic simulation device 6 shines through the through hole of the laparoscopic simulation layer 4 onto the photosensitive sensor 8 on the inner wall of the mounting sleeve 7. The position of the photosensitive sensor 8 is used to determine the area illuminated by the operating end of the laparoscopic simulation device 6, thereby driving the monitoring rod 2 to adjust its position so that the camera 5 on the monitoring rod 2 faces the area.

[0040] Various simulation operation modules are set up in the abdominal cavity simulation layer 4.

[0041] The present invention is equipped with a monitoring rod 2, and a camera 5 is provided at the end of the monitoring rod 2. By changing the position of the monitoring rod 2 inside the outer shell 1, the beam direction of the camera 5 is aligned with the operating end of the laparoscopic simulation device 6, thereby displaying the operation process and results inside the abdominal cavity in real time on the display screen, which helps users to improve their operation level in a targeted manner.

[0042] The abdominal cavity simulation layer 4 of this invention is provided with perforations, and the operating end of the laparoscopic simulation device 6 is provided with a light source. Multiple photosensitive sensors 8 are evenly distributed on the inner wall of the mounting sleeve 7. The specific position of the operating end of the laparoscopic simulation device 6 within the outer shell 1 is determined by the light emitted from the light source of the laparoscopic simulation device 6, thereby driving the position of the monitoring rod 2 and ensuring that the camera 5 is always aligned with the operating position of the operating end of the laparoscopic simulation device 6. This achieves real-time fixed-point follow-up monitoring, ensuring the viewing effect.

[0043] To optimize the product structure and facilitate the adjustment of the position of the monitoring rod 2, the power cavity of the outer shell 1 is provided with a rotating sleeve 9. The front part of the rotating sleeve 9 is a concave hemispherical shape and is rotatably mounted on the partition plate 3. The rear part of the rotating sleeve 9 is cylindrical. The rear end of the rotating sleeve 9 is rotatably connected to the bottom surface of the outer shell 1. A positioning strip 10 is fixedly installed in the middle of the front end of the rotating sleeve 9. A sliding groove is provided in the middle of the monitoring rod 2 along its length direction. The sliding groove is slidably fitted onto the positioning strip 10.

[0044] A translation plate 11 is provided inside the rotating sleeve 9. The translation plate 11 is arranged radially along the rotating sleeve 9 and translates axially along the rotating sleeve 9. The end of the monitoring rod 2 is hinged to the translation plate 11. A gear ring 12 is fixedly provided on the inner wall of the rear end of the rotating sleeve 9. A drive gear 16 is rotatably provided on the bottom surface of the outer shell 1. The drive gear 16 meshes with the gear ring 12. A screw 14 and a slide rod 15 are arranged axially inside the rotating sleeve 9. The screw 14 and the slide rod 15 are located at both ends of the translation plate 11, respectively. The screw 14 and the slide rod 15 are threaded and slidably fitted onto the translation plate 11, respectively. The front and rear ends of the screw 14 are rotatably connected to the front of the rotating sleeve 9 and the gear ring 12, respectively. The front and rear ends of the slide rod 15 are fixedly connected to the front of the rotating sleeve 9 and the gear ring 12, respectively. A slider 13 is provided on the side of the translation plate 11 facing the monitoring rod 2. The slider 13 is arranged on the translation plate 11 along the length direction of the translation plate 11. The end of the monitoring rod 2 is hinged to the slider 13.

[0045] To ensure that the light emitted by the light source of the laparoscopic simulation device 6 can effectively illuminate the photosensitive sensor 8 and to prevent the light from being continuously scattered in the through holes of the laparoscopic simulation layer 4 during transmission, optical fibers are embedded in the through holes of the laparoscopic simulation layer 4, and the optical fibers are set along the length of the through holes.

[0046] In order to ensure that there is sufficient light inside the casing 1 to ensure the monitoring effect of the camera 5, the monitoring pole 2 is equipped with a supplementary light. The supplementary light is located near the camera 5, and the direction of illumination of the supplementary light is the same as that of the camera 5.

[0047] To prevent the light emitted by the supplementary light from causing the photosensitive sensor 8 to misjudge the position of the operating end of the laparoscopic simulation device 6, the color of the light emitted by the supplementary light is different from the color of the light emitted by the light source of the laparoscopic simulation device 6. The photosensitive sensor 8 is a color-sensitive sensor, and the color sensed by the color-sensitive sensor is the same as the color of the light emitted by the light source of the laparoscopic simulation device 6. In this embodiment, the color-sensitive sensor is a PIN high-speed silicon photodiode of the brand name Longxinda and model number LXD1616R-B.

[0048] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A laparoscopic surgery simulation trainer, comprising an abdominal cavity simulation device, a laparoscopic simulation device (6), and a display screen, wherein the abdominal cavity simulation device is used to simulate the abdominal cavity environment, the laparoscopic simulation device (6) is used to simulate a laparoscope, and the display screen is used to display the state of the laparoscopic simulation device (6) within the abdominal cavity simulation device, characterized in that, The abdominal cavity simulation device includes a shell (1) and a monitoring rod (2). The shell (1) is a shell with an open front end. A partition (3) is vertically fixed in the middle of the shell (1). A circular opening is provided in the middle of the partition (3). The partition (3) divides the interior of the shell (1) into a front simulation cavity and a rear power cavity. An abdominal cavity simulation layer (4) is provided in the simulation cavity. The abdominal cavity simulation layer (4) is a tube made of flexible rubber material. One end of the abdominal cavity simulation layer (4) is fixed to the partition (3), and the other end is located at the opening of the shell (1). A vaginal-shaped entrance is formed at the opening of the outer shell (1). A sandwich layer is formed between the abdominal cavity simulation layer (4) and the outer shell (1). One end of the monitoring rod (2) is equipped with a camera (5) and is located in the simulation cavity, while the other end is located in the power cavity. The laparoscopic simulation device (6) is a flexible strip. The operating end of the laparoscopic simulation device (6) extends into the abdominal cavity simulation layer (4). The operating end of the laparoscopic simulation device (6) is equipped with a light source. The irradiation direction of the light source extends along the axial direction of the laparoscopic simulation device (6). The middle part of the laparoscopic simulation device (6) is installed at the opening of the outer shell (1). The abdominal cavity simulation layer (4) and the outer shell (1) are arranged in an array of cylindrical mounting sleeves (7). The abdominal cavity simulation layer (4) has multiple through holes evenly distributed around the axis of the mounting sleeve (7). The inner wall of the mounting sleeve (7) is evenly distributed with multiple photosensitive sensors (8). The light emitted by the light source of the operating end of the laparoscopic simulation device (6) shines through the through hole of the laparoscopic simulation layer (4) onto the photosensitive sensor (8) on the inner wall of the mounting sleeve (7). The position of the photosensitive sensor (8) is used to determine the area illuminated by the operating end of the laparoscopic simulation device (6), thereby driving the monitoring rod (2) to adjust its position so that the camera (5) on the monitoring rod (2) faces the area.

2. The laparoscopic surgery simulator according to claim 1, characterized in that, The power cavity of the outer shell (1) is provided with a rotating sleeve (9). The front part of the rotating sleeve (9) is a concave hemispherical shape and is rotatably disposed on the partition plate (3). The rear part of the rotating sleeve (9) is cylindrical. The rear end of the rotating sleeve (9) is rotatably connected to the bottom surface of the outer shell (1). A positioning strip (10) is fixedly disposed in the middle of the front end of the rotating sleeve (9). A sliding groove is provided in the middle of the monitoring rod (2) along its length direction. The sliding groove is slidably fitted onto the positioning strip (10).

3. The laparoscopic surgery simulator according to claim 2, characterized in that, The rotating sleeve (9) is provided with a translation plate (11), which is arranged radially along the rotating sleeve (9) and translates axially along the rotating sleeve (9). The end of the monitoring rod (2) is hinged to the translation plate (11).

4. The laparoscopic surgery simulator according to claim 3, characterized in that, A gear ring (12) is fixedly provided on the inner wall of the rear end of the rotating sleeve (9), and a drive gear (16) is rotatably provided on the bottom surface of the outer shell (1). The drive gear (16) and the gear ring (12) are engaged in transmission.

5. A laparoscopic surgery simulator according to claim 4, characterized in that, The rotating sleeve (9) is provided with a screw (14) and a slide rod (15) along its axial direction. The screw (14) and the slide rod (15) are located at both ends of the translation plate (11). The screw (14) and the slide rod (15) are threaded and slidably fitted onto the translation plate (11), respectively. The front and rear ends of the screw (14) are rotatably connected to the front part of the rotating sleeve (9) and the gear ring (12), respectively. The front and rear ends of the slide rod (15) are fixedly connected to the front part of the rotating sleeve (9) and the gear ring (12), respectively.

6. A laparoscopic surgery simulation training device according to claim 3, characterized in that, The translation plate (11) has a slider (13) on the side facing the monitoring rod (2). The slider (13) is arranged on the translation plate (11) along the length direction of the translation plate (11). The end of the monitoring rod (2) is hinged to the slider (13).

7. A laparoscopic surgery simulator according to claim 1, characterized in that, The abdominal cavity simulation layer (4) has an optical fiber embedded in the through hole, and the optical fiber is arranged along the length direction of the through hole.

8. A laparoscopic surgery simulator according to any one of claims 1-7, characterized in that, The monitoring pole (2) is equipped with a supplementary light, which is located near the camera (5), and the illumination direction of the supplementary light is the same as that of the camera (5).

9. A laparoscopic surgery simulator according to claim 8, characterized in that, The color of the light emitted by the supplementary light lamp is different from the color of the light emitted by the light source of the laparoscopic simulation device (6).

10. A laparoscopic surgery simulation training device according to claim 9, characterized in that, The photosensitive sensor (8) is a color-sensitive sensor, and the color sensed by the color-sensitive sensor is the same as the color of the light emitted by the light source of the laparoscopic simulation device (6).

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