Disposable abdominal wall external retractor under laparoscope

Abstract

The utility model discloses a disposable abdominal wall external retractor under a laparoscope, and relates to the technical field of medical instruments. The rotating mechanism is arranged on the base and is used for unwinding and winding when the device is used; the positioning mechanism is arranged on the base and used for limiting the position of the rotating mechanism; the traction mechanism is arranged on the rotating mechanism and used for abdominal wall traction, and the traction mechanism comprises a position control component and a traction hanging needle. According to the disposable abdominal wall external retractor under the laparoscope, through cooperative use of the rotating mechanism and the positioning mechanism, self-locking after a traction hanging needle penetrates through tissue and manual adjustment of traction length and force can be achieved, the tissue is lifted under traction of a traction line, use is convenient, and the disposable abdominal wall external retractor under the laparoscope has the advantages that by means of use of the guide mechanism, the operation is convenient, and the practicability is high. On the premise of ensuring that the direction of the traction mechanism is adjustable, the force borne by the traction mechanism can be reduced, and tissue traction and operation visual field exposure can be realized only by causing pinhole trauma outside the abdominal wall.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a disposable laparoscopic abdominal wall external traction device. Background Art

[0002] Laparoscopic surgery is a newly developed minimally invasive method and an inevitable trend in the development of surgical methods in the future. With the rapid development of industrial manufacturing technology, the integration of related disciplines has laid a solid foundation for the development of new technologies and methods. Coupled with the increasingly skilled operation of doctors, many of the open surgeries in the past have been replaced by endoscopic surgeries, greatly increasing the opportunities for surgical options.

[0003] Currently, the main treatment for prostate cancer is surgical resection. Among them, robot-assisted posterior approach radical prostatectomy requires traction of the bladder to expose the surgical field.

[0004] The authorization publication number "CN214484546U" records "an abdominal cavity and abdominal wall traction device and a laparoscopic surgical traction device, the abdominal cavity and abdominal wall traction device comprising: a supporting part; a first lifting part, the first lifting part is arranged at the first end of the supporting part; a second lifting part, the second lifting part is arranged at the second end of the supporting part, the hardness of the first lifting part and the hardness of the second lifting part are both less than the hardness of the supporting part; a puncture part, the puncture part is arranged at the end of the first lifting part away from the supporting part; wherein the puncture part is provided with a clamping hole, and the second lifting part is provided with a clamping column matched with the clamping hole. The utility model abdominal cavity and abdominal wall traction device can quickly form the space required for surgery, and the abdominal cavity and abdominal wall traction device can fully fit with the abdominal wall of the human body to avoid damage to the abdominal wall tissue."

[0005] The above patent can quickly form the space required for surgery, and the abdominal wall traction device can fit completely with the abdominal wall of the human body to avoid damage to the abdominal wall tissue. However, due to the limited abdominal space, most of the robotic arms used in the operation are four, and it is impossible to ensure traction while freely using the robotic arms to complete surgical operations such as separation and electrocautery. Therefore, in clinical work, sutures are often used to penetrate from the outside of the abdominal wall, pull up the bladder and tie a knot outside the abdominal wall to fix it. This method is complicated to operate, and once the knot is tied and fixed, the position and length of traction cannot be adjusted, which brings great inconvenience to clinical work. Utility Model Content

[0006] The utility model provides a disposable laparoscopic abdominal wall external traction device, which can realize self-locking and manual adjustment of traction length and strength after the traction needle passes through the tissue through the coordinated use of the rotating mechanism and the positioning mechanism, and can pull the tissue under the traction of the traction line, which is easy to use. Through the use of the guide mechanism, the force borne by the traction mechanism can be reduced while ensuring that the direction of the traction mechanism is adjustable, so that only pinhole trauma is caused on the outside of the abdominal wall, and the tissue can be pulled to expose the surgical field of view.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a disposable laparoscopic abdominal wall external traction device, comprising:

[0008] Base;

[0009] The rotating mechanism is arranged on the base and is used for releasing and reeling in the rope when the device is in use;

[0010] A positioning mechanism, disposed on the base, for limiting the position of the rotating mechanism;

[0011] A traction mechanism is arranged on the rotating mechanism and is used for traction of the abdominal wall. The traction mechanism comprises a position control component and a traction hanging needle. The position control component is arranged on the rotating mechanism, and the traction hanging needle is arranged on the position control component; and

[0012] The guide mechanism is arranged on the base and is used for guiding the position-controlling component when in use. The guide mechanism is a pulley. A support column is installed on one side of the top of the base, and the pulley is rotatably connected to the bottom of the support column.

[0013] Furthermore, the rotating mechanism includes a rotating column and a reversing ratchet, wherein the rotating column is rotatably connected to the top center of the base, and the reversing ratchet is fixedly connected to the top of the rotating column.

[0014] Furthermore, the positioning mechanism includes a mounting post and a buckle, the mounting post is fixedly connected to one end of the top of the base, the buckle is installed on the top of the mounting post, and the buckle is engaged with the reversing ratchet.

[0015] Furthermore, the position control component includes a winch and a traction line, the winch is fixedly connected to the rotating column, the traction line is wound around the winch, and one end of the traction line is fixedly connected to the traction hanging needle.

[0016] Furthermore, an opening is formed at one end of the base.

[0017] The utility model provides a disposable laparoscopic abdominal wall external traction device, which has the following beneficial effects:

[0018] (1) The disposable laparoscopic abdominal wall external traction device can realize self-locking after the traction needle passes through the tissue and manually adjust the traction length and strength through the coordinated use of the rotating mechanism and the positioning mechanism, and can lift the tissue under the traction of the traction line, which is easy to use.

[0019] (2) The disposable laparoscopic abdominal wall external traction device can reduce the force borne by the traction mechanism by using the guide mechanism while ensuring that the direction of the traction mechanism is adjustable, so that only pinhole trauma is caused on the outside of the abdominal wall, and the tissue can be pulled to expose the surgical field of view. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the utility model.

[0021] In the figure: 1. base; 2. reversing ratchet; 3. capstan; 4. traction line; 5. pulley; 6. traction hanging needle; 7. mounting column; 8. buckle; 9. support column; 10. rotating column; 11. opening. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 The utility model provides a technical solution: a disposable laparoscopic abdominal wall external traction device, comprising:

[0024] Base 1;

[0025] The rotating mechanism is arranged on the base 1 and is used for releasing and reeling in the rope when the device is in use;

[0026] A positioning mechanism, provided on the base 1, for limiting the position of the rotating mechanism;

[0027] A traction mechanism is arranged on the rotating mechanism and is used for traction of the abdominal wall. The traction mechanism comprises a position control component and a traction hanging needle 6. The position control component is arranged on the rotating mechanism, and the traction hanging needle 6 is arranged on the position control component; and

[0028] The guide mechanism is arranged on the base 1 and is used for guiding the positioning component when it is used. The guide mechanism is a pulley 5. A support column 9 is installed on one side of the top of the base 1, and the pulley 5 is rotatably connected to the bottom of the support column 9.

[0029] In this embodiment: the base 1 is convenient for overall installation and use, the rotating mechanism and the positioning mechanism are used in conjunction to realize the control of the traction length and strength of the traction needle 6, and the self-locking and manual adjustment ensure accuracy and relax manpower. The traction needle 6 passes through the tissue and pulls the tissue under the traction of the position control component. The pulley 5 rotates and is connected to the position control component. The pulley 5 can reduce the force borne by the traction mechanism while ensuring that the direction of the traction mechanism is adjustable. The disposable abdominal wall external traction device under the base 1 is made of polypropylene material.

[0030] Specifically, the rotating mechanism includes a rotating column 10 and a reversing ratchet 2 . The rotating column 10 is rotatably connected to the top center of the base 1 , and the reversing ratchet 2 is fixedly connected to the top of the rotating column 10 .

[0031] In this embodiment: the rotating column 10 controls the reverse ratchet 2 to rotate, and docks with the positioning mechanism to ensure the fixing effect.

[0032] Specifically, the positioning mechanism includes a mounting column 7 and a buckle 8. The mounting column 7 is fixedly connected to one end of the top of the base 1. The buckle 8 is installed on the top of the mounting column 7, and the buckle 8 is meshed with the reversing ratchet 2.

[0033] In this embodiment: the buckle 8 matches the size of the reversing ratchet 2 and is connected and fixed to the base 1 for manual opening and adjustment, and the mounting column 7 maintains the position limit of the reversing ratchet 2.

[0034] Specifically, the position control component includes a winch 3 and a traction line 4 . The winch 3 is fixedly connected to the rotating column 10 . The traction line 4 is wound around the winch 3 , and one end of the traction line 4 is fixedly connected to the traction hanging needle 6 .

[0035] In this embodiment: the capstan 3 is connected to the traction wire 4 , and the traction needle 6 is connected and fixed to the traction wire 4 for passing through the tissue and pulling, and the traction wire 4 is fixed to the center of the traction needle 6 .

[0036] Specifically, an opening 11 is formed at one end of the base 1 .

[0037] In this embodiment, the opening 11 is circular, matches the size of the traction hanging needle 6, and can be used for the traction hanging needle 6 to pass through.

[0038] When in use, the traction device is placed on the laparoscope to determine the approximate position of the abdominal wall with the assistance of the laparoscope, and then the traction device base 1 is fixed to the outside of the abdominal wall. While opening the buckle 8, the traction needle 6 is inserted through the abdominal wall and operated under the laparoscope. Under the laparoscope, the tissue to be pulled is selected, and the traction needle 6 is passed through. Then the ratchet 2 is reversed, thereby driving the capstan 3 and tightening the traction line 4 to lift the tissue to expose the surgical field of view. The buckle 8 is docked with the reverse ratchet 2 to keep the capstan 3 fixed and the tissue is continuously lifted. After the operation is completed, the buckle 8 is opened to put down the lifted tissue and remove the traction needle 6.

[0039] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A disposable laparoscopic abdominal wall external traction device, characterized in that: include: Base (1); A rotating mechanism is arranged on the base (1) and is used for releasing and reeling in the rope when the device is in use; A positioning mechanism, disposed on the base (1) and used to define the position of the rotating mechanism; A traction mechanism is arranged on the rotating mechanism and is used for traction of the abdominal wall. The traction mechanism comprises a position control component and a traction hanging needle (6). The position control component is arranged on the rotating mechanism, and the traction hanging needle (6) is arranged on the position control component; and A guide mechanism is arranged on the base (1) and is used for guiding the position control component when it is in use. The guide mechanism is a pulley (5). A support column (9) is installed on one side of the top of the base (1). The pulley (5) is rotatably connected to the bottom of the support column (9).

2. The disposable laparoscopic abdominal wall external traction device according to claim 1, characterized in that: The rotating mechanism comprises a rotating column (10) and a reversing ratchet (2); the rotating column (10) is rotatably connected to the top center of the base (1), and the reversing ratchet (2) is fixedly connected to the top of the rotating column (10).

3. The disposable laparoscopic abdominal wall external traction device according to claim 2, characterized in that: The positioning mechanism comprises a mounting column (7) and a buckle (8), wherein the mounting column (7) is fixedly connected to one end of the top of the base (1), and the buckle (8) is installed on the top of the mounting column (7), and the buckle (8) is meshed with the reversing ratchet (2).

4. The disposable laparoscopic abdominal wall external traction device according to claim 3, characterized in that: The position control component comprises a winch (3) and a traction line (4); the winch (3) is fixedly connected to a rotating column (10); the traction line (4) is wound around the winch (3); and one end of the traction line (4) is fixedly connected to a traction hanging needle (6).

5. The disposable laparoscopic abdominal wall external traction device according to claim 4, characterized in that: An opening (11) is formed at one end of the base (1).

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