An aeration-free single-hole laparoscopic abdominal wall fixation device

Abstract

The utility model discloses a kind of single-hole laparoscope abdominal wall fixing devices of free inflation, belong to medical auxiliary instrument technical field, a kind of single-hole laparoscope abdominal wall fixing devices of free inflation, including fixed plate, the middle part of fixed plate is equipped with operating hole, and the side fixed connection of fixed plate has suction tube, the other side swing joint of fixed plate has two-way screw rod, and the both ends of fixed plate are slidably connected with guide block, the upper portion of two-way screw rod is provided with limit mechanism, the top surface of guide block is fixedly connected with threaded rod and guide rod, the fixed component of this scheme is set integration, need not be assembled after operation, can directly adjust and fix, facilitate the performance of laparoscopic surgery, improve operation efficiency, reduce the occurrence of unexpected situation, and set limit component, the activity state of fixed component can be adjusted, both can be convenient for the adjustment of fixed component, reduce the situation of fixed component loosening simultaneously, guarantee fixed effect.

Description

Technical Field

[0001] This utility model relates to the field of medical auxiliary device technology, and more specifically, to an airless single-port laparoscopic abdominal wall fixation device. Background Technology

[0002] Airless single-port laparoscopic surgery is a minimally invasive surgical procedure that has gradually developed with the advancement of modern high-tech medical technology. The surgery only involves making an incision at the navel, and then using an abdominal wall fixation device to support and fix the incision. The surgeon's instruments can then be inserted into the abdominal cavity through this incision for operation.

[0003] For example, Chinese utility model patent with announcement number CN222676309U discloses a technical solution for an airless single-port laparoscopic abdominal wall fixation device: it includes a fixation plate, a handle is made on the rear side of the fixation plate, the handle is gradually tilted upward, an operation hole is opened in the fixation plate, and connecting plates are respectively provided on the left and right inner sides of the operation hole.

[0004] Based on the above, the inventors discovered that the device in publication number CN222676309U uses a connecting plate as the main fixing body. By moving the connecting plate in the horizontal and vertical directions, the surgical incision is fixed, thus facilitating the operation. However, the fixing device with the connecting plate as the main body needs to be assembled after the operation, and adjustments are made after assembly, which greatly affects the operation speed and easily causes safety hazards. Therefore, in view of this, the inventors have studied and improved the existing structure to provide a non-inflatable single-port laparoscopic abdominal wall fixation device, in order to achieve a more practical purpose. Utility Model Content

[0005] 1. Technical problems to be solved

[0006] To address the problems existing in the prior art, the purpose of this utility model is to provide a non-inflatable single-port laparoscopic abdominal wall fixation device. This solution features an integrated fixation component that eliminates the need for postoperative assembly and allows for direct adjustment and fixation, facilitating laparoscopic surgery, improving surgical efficiency, reducing the occurrence of unexpected situations, and incorporating a limiting component to adjust the movement of the fixation component. This not only facilitates adjustment of the fixation component but also reduces the possibility of loosening, ensuring effective fixation.

[0007] 2. Technical Solution

[0008] To solve the above problems, the present invention adopts the following technical solution.

[0009] An airless single-port laparoscopic abdominal wall fixation device includes a fixation plate, an operation hole in the middle of the fixation plate, a suction tube fixedly connected to one side of the fixation plate, a bidirectional screw movably connected to the other side of the fixation plate, guide blocks slidably connected to both ends of the fixation plate, a limit mechanism provided above the bidirectional screw, a threaded rod and a guide rod fixedly connected to the top surface of the guide block, and a threaded sleeve threadedly connected to the outer side of the threaded rod.

[0010] A friction block is fixedly connected to the middle of the bidirectional lead screw, and a pair of ball sliders are sleeved on the outer side of the bidirectional lead screw. Both ends of the bidirectional lead screw are fixedly connected to pressure rings. A movable sleeve is movably connected to the lower part of the threaded sleeve. A pull hook and a support plate are fixedly connected to both sides of the movable sleeve, respectively.

[0011] The limiting mechanism includes a sliding frame, with pressure grooves at both ends of the sliding frame, and a pair of return springs fixedly connected to the sides of both ends of the sliding frame.

[0012] Furthermore, the outer surface of the bidirectional lead screw is provided with two rotating threads of the same length but opposite directions, and the two rotating threads are respectively adapted to two ball sliders, one side of which is fixedly connected to the guide block.

[0013] Furthermore, the guide rod passes through the end of the support plate away from the movable sleeve, and the guide rod is slidably connected to the movable sleeve.

[0014] Furthermore, the hook is U-shaped, and both the bottom of the hook and the straw are adapted to the operating hole.

[0015] Furthermore, the upper end of the sliding frame is U-shaped, and the lower end of the sliding frame is Y-shaped.

[0016] Furthermore, the lower end of the sliding frame is located inside the fixed plate, and the sliding frame is slidably connected to the fixed plate.

[0017] Furthermore, the pressure groove and the pressure ring are snapped together, and one end of the return spring is fixedly connected to the inner surface of the fixing plate.

[0018] 3. Beneficial effects

[0019] Compared with existing technologies, the advantages of this utility model are:

[0020] (1) This solution uses a threaded sleeve to rotate on the outside of the threaded rod, which drives the movable sleeve and the hook to adjust the vertical position. Then, a two-way screw rod is used in conjunction with a ball slider to drive the guide block and the hook to adjust the horizontal direction, thus fixing and supporting the surgical wound. Compared with the existing technology, the integrated fixation component is set up, which does not require assembly after surgery. It can be directly adjusted and fixed, which facilitates laparoscopic surgery, improves surgical efficiency, and reduces the occurrence of accidents.

[0021] (2) By setting a limiting mechanism, the sliding frame is pulled upward to separate the pressure groove from the pressure ring, and the bidirectional screw is in an active state. When the sliding frame is released, it is reset under the action of the reset spring, and the pressure groove and the pressure ring are re-engaged, thus limiting the bidirectional screw. Compared with the prior art, setting a limiting component can adjust the active state of the fixing component, which can facilitate the adjustment of the fixing component and reduce the loosening of the fixing component, thus ensuring the fixing effect. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the bidirectional lead screw of this utility model;

[0024] Figure 3 This is an exploded view of the threaded sleeve and movable sleeve of this utility model;

[0025] Figure 4 This is a schematic diagram of the limiting mechanism of this utility model.

[0026] The following are the labels in the diagram: 1. Fixed plate; 2. Operating hole; 3. Suction tube; 4. Two-way lead screw; 5. Guide block; 6. Limiting mechanism; 7. Threaded sleeve; 8. Guide rod; 9. Threaded rod; 10. Friction block; 11. Ball bearing slider; 12. Pressure ring; 13. Movable sleeve; 14. Support plate; 15. Hook; 16. Sliding frame; 17. Pressure groove; 18. Return spring. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0028] Example:

[0029] Please see Figure 1-4 An airless single-port laparoscopic abdominal wall fixation device includes a fixation plate 1, an operation hole 2 in the middle of the fixation plate 1, a suction tube 3 fixedly connected to one side of the fixation plate 1, a bidirectional screw rod 4 movably connected to the other side of the fixation plate 1, and guide blocks 5 slidably connected to both ends of the fixation plate 1. A limit mechanism 6 is provided above the bidirectional screw rod 4. A threaded rod 9 and a guide rod 8 are fixedly connected to the top surface of the guide block 5, and a threaded sleeve 7 is threadedly connected to the outer side of the threaded rod 9.

[0030] A friction block 10 is fixedly connected to the middle of the bidirectional lead screw 4, and a pair of ball sliders 11 are sleeved on the outer side of the bidirectional lead screw 4. Both ends of the bidirectional lead screw 4 are fixedly connected to pressure rings 12. A movable sleeve 13 is movably connected to the lower part of the threaded sleeve 7. A pull hook 15 and a support plate 14 are fixedly connected to both sides of the movable sleeve 13 respectively.

[0031] The limiting mechanism 6 includes a sliding frame 16. Both ends of the sliding frame 16 are provided with pressure grooves 17 in the center, and both ends of the sliding frame 16 are fixedly connected to a pair of return springs 18 on the side. In order to reduce the problem of loosening of the bidirectional lead screw 4, the limiting mechanism 6 is provided.

[0032] See Figure 2 The outer surface of the bidirectional lead screw 4 is provided with two rotating threads of the same length but opposite direction. The two rotating threads are respectively adapted to two ball sliders 11. One side of the ball slider 11 is fixedly connected to the guide block 5. The bidirectional lead screw 4 is driven to rotate through the friction block 10, so that the two ball sliders 11 drive the two guide blocks 5 to move synchronously in opposite directions.

[0033] See Figure 3 The guide rod 8 passes through the end of the support plate 14 away from the movable sleeve 13, and the guide rod 8 is slidably connected to the movable sleeve 13. When the threaded sleeve 7 is rotated, the threaded rod 9 drives the movable sleeve 13, the support plate 14 and the hook 15 to move vertically. The guide rod 8 and the support plate 14 play a limiting role to ensure the stability of the movement of the hook 15.

[0034] See Figure 3 The hook 15 is U-shaped, and the bottom of the hook 15 and the suction tube 3 are adapted to the operation hole 2, so that the vertical position of the hook 15 fits against the side of the surgical wound, and provides limiting support for the surgical wound.

[0035] See Figure 4 The upper end of the sliding frame 16 is U-shaped and the lower end of the sliding frame 16 is Y-shaped. Pulling the sliding frame 16 upward separates the pressure groove 17 from the pressure ring 12, and the bidirectional lead screw 4 is in an active state.

[0036] See Figure 4 The lower end of the sliding frame 16 is located inside the fixed plate 1, and the sliding frame 16 is slidably connected to the fixed plate 1. The moving compression return spring 18 of the sliding frame 16 is deformed.

[0037] See Figure 4 The pressure groove 17 and the pressure ring 12 are snapped together. One end of the return spring 18 is fixedly connected to the inner surface of the fixed plate 1. After adjustment, the sliding frame 16 is released and reset under the action of the return spring 18. Then the pressure groove 17 and the pressure ring 12 are snapped together again, and the bidirectional lead screw 4 is limited.

[0038] In use: First, make a surgical incision at the patient's navel. Then, place the fixation plate 1 on the patient's abdomen, allowing the lower end of the suction tube 3 to enter the incision. Next, rotate the threaded sleeve 7, which, in conjunction with the threaded rod 9, drives the movable sleeve 13, support plate 14, and pull hook 15 to move vertically. The guide rod 8, in conjunction with the support plate 14, acts as a limit to ensure the stability of the pull hook 15's movement. Once the lower end of the pull hook 15 enters the incision, pull the sliding frame 16 upwards, separating the pressure groove 17 from the pressure ring 12. This puts the bidirectional screw 4 in an active state. The friction block 10 drives the bidirectional screw 4 to rotate, causing the two ball bearing sliders 11 to drive the two guide blocks 5 to move synchronously in opposite directions, thereby pulling... Hook 15 moves outward to fit against the side of the wound, providing limiting support for the surgical wound. Then, the sliding frame 16 is released and reset under the action of the reset spring 18. The pressure groove 17 and the pressure ring 12 are then re-engaged, limiting the bidirectional screw 4. Finally, the fixing plate 1 is fixed to the suspension system via the suspension roller shutter (the specific structure of the suspension system and the suspension roller shutter is existing technology). The operation hole 2 can be tilted to the left or right via the suspension roller shutter, so that the surgical field in the abdominal cavity on the corresponding side can be fully exposed, thus facilitating the doctor's observation and surgery. Laparoscopic surgery can then be performed. A suction device is connected to the suction tube 3 to remove blood and exudate during the operation, improving the success rate of the surgery.

[0039] Finally, it should be noted that in the description of this utility model, the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0040] In the description of this utility model, 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 utility model according to the specific circumstances.

[0041] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A non-inflatable single-port laparoscopic abdominal wall fixation device, comprising a fixation plate (1), wherein an operation hole (2) is provided in the middle of the fixation plate (1), and a suction tube (3) is fixedly connected to one side of the fixation plate (1), a bidirectional lead screw (4) is movably connected to the other side of the fixation plate (1), and guide blocks (5) are slidably connected to both ends of the fixation plate (1), characterized in that: A limit mechanism (6) is provided above the bidirectional lead screw (4), and a threaded rod (9) and a guide rod (8) are fixedly connected to the top surface of the guide block (5). A threaded sleeve (7) is threadedly connected to the outer side of the threaded rod (9). A friction block (10) is fixedly connected to the middle of the bidirectional lead screw (4), and a pair of ball sliders (11) are sleeved on the outer side of the bidirectional lead screw (4). Both ends of the bidirectional lead screw (4) are fixedly connected to a pressure ring (12). A movable sleeve (13) is movably connected to the lower part of the threaded sleeve (7). A pull hook (15) and a support plate (14) are fixedly connected to both sides of the movable sleeve (13). The limiting mechanism (6) includes a sliding frame (16), with pressure grooves (17) provided at both ends of the sliding frame (16), and a pair of return springs (18) fixedly connected to both ends of the sliding frame (16) near the side.

2. The non-inflatable single-port laparoscopic abdominal wall fixation device according to claim 1, characterized in that: The outer surface of the bidirectional lead screw (4) is provided with two rotating threads of the same length but opposite direction, and the two rotating threads are respectively adapted to two ball sliders (11). One side of the ball slider (11) is fixedly connected to the guide block (5).

3. The non-inflatable single-port laparoscopic abdominal wall fixation device according to claim 1, characterized in that: The guide rod (8) passes through the end of the support plate (14) away from the movable sleeve (13), and the guide rod (8) is slidably connected to the movable sleeve (13).

4. The non-inflatable single-port laparoscopic abdominal wall fixation device according to claim 1, characterized in that: The hook (15) is U-shaped, and the bottom ends of the hook (15) and the straw (3) are adapted to the operation hole (2).

5. The non-inflatable single-port laparoscopic abdominal wall fixation device according to claim 1, characterized in that: The upper end of the sliding frame (16) is U-shaped, and the lower end of the sliding frame (16) is Y-shaped.

6. The non-inflatable single-port laparoscopic abdominal wall fixation device according to claim 1, characterized in that: The lower end of the sliding frame (16) is located inside the fixed plate (1), and the sliding frame (16) is slidably connected to the fixed plate (1).

7. The non-inflatable single-port laparoscopic abdominal wall fixation device according to claim 1, characterized in that: The pressure groove (17) and the pressure ring (12) are snapped together, and one end of the reset spring (18) is fixedly connected to the inner surface of the fixing plate (1).

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