Accurate guide device for laparoscopic surgery

By designing a motor-driven precision guidance device for laparoscopic surgery, the problem of unstable vision caused by laparoscope shaking was solved, achieving precise guidance and sealing fixation of the laparoscope, and improving the convenience and safety of the operation.

CN223695856UActive Publication Date: 2025-12-23CHANGCHUN UNIV OF SCI & TECH
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Patent Information

Application Number
CN202522321477.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-03
Publication Date
2025-12-23
Estimated Expiration
2035-11-03

AI Technical Summary

Technical Problem

In current laparoscopic surgeries, the laparoscopic fixation method is unstable, causing the lens to shake, affecting the stability of the surgical field and the observation effect, and failing to guarantee precise guidance of the surgical field.

Method used

A precision guidance device for laparoscopic surgery was designed. The device uses a motor to drive a gear and an external gear ring to rotate a clamping plate. Combined with airbag sealing and multiple airbags fitting the laparoscopic rod, it achieves precise guidance and sealing fixation of the laparoscopy.

Benefits of technology

It enables precise rotation and sealed observation of the laparoscope inside the patient's body, avoiding misjudgments caused by perspective deviations and improving the convenience and safety of the operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical instruments, in particular to an accurate guide device for laparoscopic surgery, which comprises a connecting seat, a guide tube arranged on the connecting seat, a motor fixedly connected in the connecting seat, a gear fixedly connected on the motor, a rotating ring rotatably connected in an inner groove of the connecting seat, and a rotating groove arranged in the inner groove of the connecting seat. An outer gear ring is arranged on the rotating ring, a clamping plate is arranged in the rotating ring, and the outer gear ring is meshed with the gear. When a worker fixes a guide pipe and a connecting base and inserts a laparoscope device into the guide pipe, a first air cylinder works to enable a clamping plate to clamp and fix a rod part of a laparoscope, a motor works to enable a gear to drive an outer gear ring to rotate, and a rotating ring fixedly connected with the outer gear ring drives the clamping plate to rotate; the clamping plate drives the laparoscope to rotate in the guide tube, so that the laparoscope can be conveniently rotated and adjusted in the body of a patient, a worker can conveniently examine other areas in the abdominal cavity of the patient, and misjudgment caused by visual angle deviation is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely is a laparoscopic surgery precision guiding device. BACKGROUND

[0002] With the development of laparoscopic surgery, treatment through laparoscopic surgery has been a very important and commonly used method and means. Laparoscopic surgery technology has experienced the evolution process from traditional open surgery to modern minimally invasive surgery. Laparoscope provides real-time two-dimensional image through a miniature camera, and a guiding device is needed to accurately guide it to help doctors observe the target area more clearly and avoid misjudgment due to visual angle deviation.

[0003] During the existing laparoscopic surgery process, the laparoscope is mostly fixed by a traditional drag hook fixing method or manually held by a person. This method can cause the laparoscope to shake, easily cause harm to the patient, and cannot guarantee the rotation observation of the laparoscope lens, resulting in inconvenience in operation when the laparoscope provides different fields of view for comprehensive exploration, and adversely affects the stability of the surgical field of view. Therefore, in order to solve the above problems, we need to design a laparoscopic surgery precision guiding device. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0006] A laparoscopic surgery precision guiding device comprises:

[0007] A connecting seat is provided with a guiding pipe, a motor is fixedly connected in the connecting seat, a gear is fixedly connected to the motor, a rotating ring is rotatably connected in the inner groove of the connecting seat, a rotating groove is arranged in the inner groove of the connecting seat, an external gear ring is arranged on the rotating ring, a clamping plate is arranged in the rotating ring, and the external gear ring is engaged with the gear.

[0008] As a preferred scheme of the laparoscopic surgery precision guiding device, an inner groove of the rotating ring is provided with a placing groove, a first air cylinder is fixedly connected in the placing groove, the clamping plate is fixedly connected to the first air cylinder, and an anti-skid strip is fixedly connected to the clamping plate.

[0009] As a preferred scheme of the laparoscopic surgery precision guiding device, the inner groove of the guiding tube is fixedly connected with a plurality of air bags, the air bags are fixedly connected with air tubes, the air tubes are provided with valves, the guiding tube is provided with a fixed groove, and the air tubes are fixedly connected in the fixed groove.

[0010] As a preferred scheme of the laparoscopic surgery precision guiding device, the outer tooth ring is rotatably connected in the rotating groove, the connecting seat is fixedly connected with rotating shafts on both sides, the connecting seat is provided with a pulling groove at the bottom, and the square groove at the bottom of the connecting seat is provided with a clamping groove.

[0011] As a preferred scheme of the laparoscopic surgery precision guiding device, the guiding tube is provided with a connecting block, a pair of side edges of the connecting block are fixedly connected with protruding strips, and the other pair of side edges of the connecting block are provided with positioning grooves.

[0012] As a preferred scheme of the laparoscopic surgery precision guiding device, the pulling groove is fixedly connected with a sliding rod, the pulling groove is fixedly connected with a spring, the other end of the spring is fixedly connected with a wedge block, the wedge block is fixedly connected with a pulling plate, and the wedge block is slidably connected with the sliding rod.

[0013] As a preferred scheme of the laparoscopic surgery precision guiding device, the connecting seat is provided with a first telescopic rod, the bottom of the first telescopic rod is provided with a second telescopic rod, the first telescopic rod is fixedly connected with a side plate, one side of the side plate is fixedly connected with a driving motor, the rotating shaft is rotatably connected with the side plate, and one side plate is fixedly connected with a power output end of the driving motor.

[0014] As a preferred scheme of the laparoscopic surgery precision guiding device, the bottom of the second telescopic rod is fixedly connected with a fixed plate, the fixed plate is fixedly connected with a second air cylinder, the second air cylinder is fixedly connected with a movable plate, and the fixed plate is screw-connected with a bolt.

[0015] Compared with the prior art, the utility model has the beneficial effects that when using the device, when the staff fixes the guide pipe with the connecting seat and places the guide pipe into the patient's abdominal cavity and fixes, the laparoscope device is inserted into the guide pipe, through the first cylinder work, the clamping plate is clamped and fixed to the rod part of the laparoscope, and through the motor work, the gear rotates, because the external tooth ring is engaged with the gear, can make the gear drive the external tooth ring to rotate, make the rotating ring fixed connection with the external tooth ring drive clamping plate to rotate, and through the medical staff observing the picture of the laparoscope in the patient's body in the outside world, make the device through the rotation to the laparoscope inserted into the guide pipe accurate guide, convenient for the medical staff to monitor the patient's abdominal cavity, so that the clamping plate drives the laparoscope to rotate in the guide pipe, convenient for the laparoscope in the patient's body to rotate and adjust, convenient for the staff to check other areas in the patient's abdominal cavity, avoid the misjudgment caused by the visual angle deviation, further, when the laparoscope is placed into the guide pipe, the trachea is inflated to the air bag in the guide pipe, so that the air bag can be clamped to the laparoscope rod of different models, because when the medical staff detects through the laparoscope, needs to inflate the patient's abdominal cavity, makes its abdominal cavity to rise, convenient for the medical staff to observe through the laparoscope in the patient's abdominal cavity, through the air bag in the guide pipe and the laparoscope rod, make the patient's abdominal cavity is sealed, avoid the abdominal cavity leakage when operating, lead to the inconvenience of medical staff observing the patient's abdominal cavity. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the utility model will be described in detail below in combination with the drawings and detailed embodiment, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor, wherein:

[0017] Figure 1 It is the overall structure front view schematic drawing in the utility model for laparoscopic surgery accurate guiding device;

[0018] Figure 2 It is the overall structure fixed plate area partial explosion schematic drawing in the utility model for laparoscopic surgery accurate guiding device;

[0019] Figure 3 It is the connecting seat internal structure explosion schematic drawing in the utility model for laparoscopic surgery accurate guiding device;

[0020] Figure 4 It is the connecting seat internal structure section schematic drawing in the utility model for laparoscopic surgery accurate guiding device;

[0021] Figure 5The utility model provides a laparoscopic surgery precision guiding device's connecting seat internal structure upside down schematic view.

[0022] Figure 6 The utility model provides a laparoscopic surgery precision guiding device's rotating ring structure part explosion schematic view.

[0023] Figure 7 The utility model provides a laparoscopic surgery precision guiding device's guiding pipe internal structure explosion schematic view.

[0024] Mark: connecting seat 1, guiding pipe 2, motor 3, gear 4, rotating ring 5, outer gear ring 6, connecting block 7, convex strip 8, clamping plate 9, first air cylinder 10, antiskid strip 11, sliding rod 12, spring 13, wedge block 14, pull plate 15, gasbag 16, air pipe 17, valve 18, rotating shaft 19, first telescopic link 20, second telescopic link 21, side plate 22, second air cylinder 23, movable plate 24, bolt 25, drive motor 26, rotating groove 27, pull groove 28, clamping groove 29, positioning groove 30, placing groove 31, fixed groove 32, fixed plate 33. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is described in detail below with reference to the drawings.

[0026] Secondly, the utility model is described in detail in combination with schematic view, and in the detailed description of the utility model embodiment, for facilitating the description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic view is only an example, which should not limit the scope of the utility model protection here. In addition, the three-dimensional spatial dimension of length, width and depth should be contained in actual manufacture.

[0027] In order to make the purpose, technical scheme and advantage of the utility model more clear, the embodiment of the utility model will be described in further detail below with reference to the drawings.

[0028] Please refer to Figures 1-7 The utility model provides a laparoscopic surgery precision guiding device, which comprises:

[0029] Connecting seat 1 is provided with guiding pipe 2 on connecting seat 1, motor 3 is fixedly connected in connecting seat 1, gear 4 is fixedly connected on motor 3, rotating ring 5 is rotationally connected in the inner groove of connecting seat 1, rotating groove 27 is arranged in the inner groove of connecting seat 1, outer gear ring 6 is arranged on rotating ring 5, clamping plate 9 is arranged in rotating ring 5, and outer gear ring 6 is engaged with gear 4.

[0030] Specifically, when the staff fixes the guide tube 2 with the connecting seat 1, and places the guide tube 2 into the patient's abdominal cavity for fixation, the laparoscope device is inserted into the guide tube 2, and the laparoscope is clamped and fixed by the clamping plate 9, avoiding the shaking of the laparoscope when held by the staff, which causes the image to appear blurred, which is not conducive to the observation of the target area inside the abdominal cavity by the medical staff, and causes damage to the inside of the patient's abdominal cavity; the motor 3 works to make the gear 4 rotate, and since the outer tooth ring 6 is engaged with the gear 4, the gear 4 can drive the outer tooth ring 6 to rotate, so that the rotating ring 5 fixedly connected with the outer tooth ring 6 drives the clamping plate 9 to rotate, and the medical staff observes the picture of the laparoscope in the patient's body from the outside, so that the device precisely guides the laparoscope inserted into the guide tube 2 by rotating, which is convenient for the medical staff to monitor the patient's abdominal cavity, so that the clamping plate 9 drives the laparoscope to rotate in the guide tube 2, which is convenient for the rotation adjustment of the laparoscope in the patient's body, and is convenient for the staff to check other areas in the patient's abdominal cavity, avoiding misjudgment due to the deviation of the visual angle.

[0031] Please refer to Figures 1-7 The inner groove of the rotating ring 5 is provided with a placing groove 31, the first air cylinder 10 is fixedly connected in the placing groove 31, the clamping plate 9 is fixedly connected to the first air cylinder 10, and the anti-skid strip 11 is fixedly connected to the clamping plate 9. A plurality of air bags 16 are fixedly connected in the inner groove of the guide tube 2, the air bag 16 is fixedly connected with the air pipe 17, the valve 18 is arranged on the air pipe 17, the fixed groove 32 is arranged in the guide tube 2, and the air pipe 17 is fixedly connected in the fixed groove 32. The outer tooth ring 6 is rotatably connected in the rotating groove 27, the connecting seat 1 is fixedly connected with the rotating shaft 19 on both sides, the connecting seat 1 is provided with the pulling groove 28 at the bottom, and the clamping groove 29 is arranged in the square groove at the bottom of the connecting seat 1.

[0032] Specifically, when the laparoscope is placed into the guide tube 2, the laparoscope is clamped and fixed by moving the clamping plate 9 in the inner groove of the rotating ring 5 to the middle position through the operation of the first air cylinder 10. Further, the anti-skid strip 11 made of rubber material can avoid the activity during clamping the laparoscope, which affects the observation of the laparoscope in the patient's abdominal cavity. When the laparoscope is placed into the guide tube 2, the trachea 17 is connected with the inflation structure outside, and the valve 18 is opened to make the inflation structure communicate with the trachea 17 and the air bag 16, which facilitates the inflation of the trachea 17 and the inflation of the inside of the air bag 16, so that the air bag 16 is attached to the surrounding of the rod of the laparoscope. Since the patient's abdominal cavity needs to be inflated when the medical staff detects through the laparoscope, the abdominal cavity is inflated to facilitate the observation of the medical staff through the laparoscope in the patient's abdominal cavity, so that the air bag 16 is attached to the laparoscope rod in the guide tube 2, which can seal the patient's abdominal cavity. Further, by arranging a plurality of air bags 16, the sealing property can be improved when the laparoscope is placed into the guide tube 2, which avoids the leakage of the abdominal cavity through the guide tube 2 when the laparoscope observes in the patient's abdominal cavity, which causes the medical staff to observe the internal situation of the patient's abdominal cavity.

[0033] Please refer to Figures 1-5 The connecting block 7 on the guide tube 2 is fixedly connected with a pair of side edges of the connecting block 7. The connecting block 7 is provided with a positioning groove 30 on the other pair of side edges. The sliding rod 12 is fixedly connected in the pull slot 28. The spring 13 is fixedly connected in the pull slot 28. The other end of the spring 13 is fixedly connected with the wedge block 14. The wedge block 14 is fixedly connected with the pull plate 15. The wedge block 14 is slidingly connected with the sliding rod 12.

[0034] Specifically, the connecting block 7 on the guide tube 2 is placed into the inner groove at the bottom of the connecting seat 1, the rubber material convex strip 8 is moved into the clamping groove 29, and the wedge block 14 is fixed in the positioning groove 30 through the spring 13, so that the connecting seat 1 and the guide tube 2 are fixed together, which is convenient for operation; after the operation, the pull plate 15 in the pull slot 28 is pulled to drive the wedge block 14 to move, so that the wedge block 14 is separated from the positioning groove 30, and the guide tube 2 is separated from the connecting seat 1 by the medical staff pulling the guide tube 2, which is convenient for replacing the guide tube 2 and can reduce the cost.

[0035] Please refer to Figures 1-3The first telescopic rod 20 is provided with the second telescopic rod 21 at the bottom, the first telescopic rod 20 is fixedly connected with the side plate 22, the side plate 22 is fixedly connected with the driving motor 26 at one side, the rotating shaft 19 is rotatably connected to the side plate 22, and one side plate 22 is fixedly connected to the power output end of the driving motor 26. The second telescopic rod 21 is fixedly connected with the fixed plate 33 at the bottom, the fixed plate 33 is fixedly connected with the second cylinder 23, the second cylinder 23 is fixedly connected with the movable plate 24, and the fixed plate 33 is threadedly connected with the bolt 25.

[0036] Specifically, the movable plate 24 is adjusted by the second cylinder 23 on the fixed plate 33, so that the device can be clamped and fixed on one side of the patient's bed or other areas, so that the guide tube 2 on the device can be fixed, further, the device can be further fixed by the bolt 25, so that the medical staff can insert the laparoscope into the guide tube 2 for observation work; the height position of the connecting seat 1 and the guide tube 2 can be adjusted by the first telescopic rod 20 and the second telescopic rod 21, and at the same time, the angle of the connecting seat 1 and the guide tube 2 can be adjusted by the driving motor 26, so that the guide tube 2 can be in contact with the patient, so that the medical staff can guide the laparoscope inserted into the patient's body through the guide tube 2 during the laparoscopic surgery.

[0037] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not described in this specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A laparoscopic surgery precision guiding device, characterized in that, Include: The connecting seat (1) is provided with guide pipe (2), the connecting seat (1) is fixedly connected with motor (3), the motor (3) is fixedly connected with gear (4), the inner groove of connecting seat (1) is rotatably connected with rotating ring (5), the inner groove of connecting seat (1) is provided with rotating groove (27), the rotating ring (5) is provided with outer gear ring (6), the rotating ring (5) is provided with clamping plate (9), the outer gear ring (6) is engaged with the gear (4).

2. The laparoscopic surgery precision guiding device according to claim 1, wherein, The inner groove of rotating ring (5) is provided with placing groove (31), the first air cylinder (10) is fixedly connected in the placing groove (31), the clamping plate (9) is fixedly connected on the first air cylinder (10), the clamping plate (9) is fixedly connected with anti-skid strip (11).

3. The laparoscopic surgery precision guiding device according to claim 2, wherein, The inner groove of guide pipe (2) is fixedly connected with a plurality of air bags (16), the air bag (16) is fixedly connected with air pipe (17), the air pipe (17) is provided with valve (18), the guide pipe (2) is provided with fixed groove (32), the air pipe (17) is fixedly connected in the fixed groove (32).

4. The laparoscopic surgery precision guiding device according to claim 1, wherein, The outer gear ring (6) is rotatably connected in the rotating groove (27), the both sides of connecting seat (1) are fixedly connected with rotating shaft (19), the bottom of connecting seat (1) is provided with pull slot (28), the square groove of the bottom of connecting seat (1) is provided with clamping groove (29).

5. The laparoscopic surgery precision guiding device according to claim 4, wherein, The connecting block (7) is provided on the guide pipe (2), a pair of side edges of the connecting block (7) is fixedly connected with convex strip (8), the other pair of side edges of the connecting block (7) is provided with positioning groove (30).

6. The laparoscopic surgery precision guiding device according to claim 5, wherein, The pull slot (28) is fixedly connected with slide rod (12), the pull slot (28) is fixedly connected with spring (13), the other end of spring (13) is fixedly connected with wedge block (14), the wedge block (14) is fixedly connected with pull plate (15), the wedge block (14) is slidably connected on the slide rod (12).

7. The laparoscopic surgery precision guiding device according to claim 4, wherein, The first telescopic rod (20) is provided on the connecting seat (1), the bottom of the first telescopic rod (20) is provided with the second telescopic rod (21), the first telescopic rod (20) is fixedly connected with side plate (22), one side of the side plate (22) is fixedly connected with driving motor (26), the rotating shaft (19) is rotatably connected on the side plate (22), one side plate (22) is fixedly connected on the power output end of driving motor (26).

8. The laparoscopic surgery precision guiding device according to claim 7, wherein, The bottom of the second telescopic rod (21) is fixedly connected with fixed plate (33), the second air cylinder (23) is fixedly connected on the fixed plate (33), the second air cylinder (23) is fixedly connected with movable plate (24), the fixed plate (33) is threadedly connected with bolt (25).