Drag hook for endoscopic thyroid surgery through armpit approach

Abstract

The utility model discloses a draw hook for an armpit approach endoscopic thyroid surgery, which comprises a draw hook body, the draw hook body comprises a connecting part, a hanging part and a draw hook part, and the hanging part and the draw hook part are vertically fixed at the upper end and the lower end of the connecting part respectively. A first expansion hook and a second expansion hook which can synchronously expand inwards and outwards are arranged at the upper part of one end, far away from the connecting part, of the drag hook part, and first hollowed-out parts are formed in the first expansion hook and the second expansion hook. Compared with the prior art, the dilatation device has the advantages that the first dilatation hook and the second dilatation hook can be synchronously and stably unfolded through the innovative connecting rod driving system, the dilatation efficiency and accuracy of a surgical incision are greatly improved, a wider surgical field is provided for doctors, and the surgical incision dilatation device is suitable for popularization and application. And therefore, more precise surgical operations can be carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a retractor for laparoscopic thyroid surgery via an axillary approach. Background Art

[0002] During laparoscopic thyroid surgery via the axillary approach, the clarity of the surgical field and the size of the operating space are crucial to the success of the procedure. However, existing retractors often fail to effectively expand the surgical field. These retractors are simple in design and lack the necessary expansion mechanism, making it difficult to fully expose the surgical field during surgery, increasing the difficulty and risk of the procedure. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a retractor for laparoscopic thyroid surgery via an axillary approach.

[0004] In order to solve the above technical problems, the technical solution provided by the utility model is: a retractor for laparoscopic thyroid surgery via an axillary approach, comprising a retractor body, the retractor body comprising a connecting portion, a hanging portion and a retractor portion, the hanging portion and the retractor portion being vertically fixed to the upper and lower ends of the connecting portion respectively, the upper portion of the retractor portion away from one end of the connecting portion is provided with a first expansion hook and a second expansion hook that can expand inward and outward synchronously, and the first expansion hook and the second expansion hook are both formed with a first hollow.

[0005] Furthermore, both sides of the end of the hook portion away from the connecting portion are provided with mounting grooves for accommodating the first expansion hook and the second expansion hook respectively, and guide columns are provided at the front and rear ends of the mounting groove. The first expansion hook and the second expansion hook are provided with guide holes, and the first expansion hook and the second expansion hook are respectively slidably connected to the guide columns of the mounting groove on the same side through the guide holes.

[0006] Furthermore, a mounting cavity is provided in the pull hook portion, and a pull rod is provided in the mounting cavity for sliding movement. The outer end of the pull rod extends to the outside of the mounting cavity and is bent upward to form a handle. One end of the pull rod is connected to a driving plate, and two connecting rods are rotatably connected to the driving plate. The first hollows of the first expansion hook and the second expansion hook are each provided with a connecting port connected to the mounting cavity, and the ends of the two connecting rods away from the driving plate are rotatably connected to the connecting ports of the first expansion hook and the second expansion hook respectively.

[0007] Furthermore, a plurality of hanging holes are formed in the extension direction of the hanging portion.

[0008] Furthermore, an end of the hook portion away from the connecting portion is provided with a second hollow corresponding to the first hollow.

[0009] Furthermore, a suction tube is provided in the extending direction of the bottom of the hook portion, and the end of the suction tube away from the second hollow portion is bent outward toward the connecting portion.

[0010] The advantages of the present invention compared to the prior art are: Compared to the prior art, the present invention has the significant advantage of achieving a perfect combination of refinement and efficiency in surgical operations. Through the innovative connecting rod drive system, the first expansion hook and the second expansion hook can be deployed synchronously and smoothly, which greatly improves the expansion efficiency and accuracy of the surgical incision, provides the doctor with a wider surgical field of view, and thus helps to perform more delicate surgical operations. At the same time, the hollow design on the retractor part enhances the light transmittance of the surgical area, further improves the clarity of the surgical field of view, and enables the doctor to judge the surgical situation more accurately. In addition, the diversity of the hanging holes and the setting of the suction tube also enhance the flexibility and safety during the operation, reduce surgical risks and speed up postoperative recovery. In summary, the present application effectively solves the problems of the prior art in terms of surgical field of view, ease of operation and safety through a series of innovative designs, and provides a higher quality and more efficient solution for laparoscopic thyroid surgery via the axillary approach. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model is a structural schematic diagram of a retractor for laparoscopic thyroid surgery via an axillary approach.

[0012] Figure 2 The utility model is a schematic diagram of the bottom structure of a retractor for laparoscopic thyroid surgery via an axillary approach.

[0013] Figure 3 The utility model is a schematic diagram of the internal structure of a retractor mounting cavity in a retractor for laparoscopic thyroid surgery via an axillary approach.

[0014] Figure 4 This is a schematic diagram of the partially disassembled internal structure of a retractor for transaxillary laparoscopic thyroid surgery. As shown: 1. Connecting portion, 2. Hanging portion, 3. Retractor portion, 4. First expansion hook, 5. Second expansion hook, 6. First hollow portion, 7. Mounting slot, 8. Guide post, 9. Guide hole, 10. Mounting cavity, 11. Pull rod, 12. Handle, 13. Drive plate, 14. Connecting rod, 15. Connecting port, 16. Hanging hole, 17. Second hollow portion, and 18. Suction tube. DETAILED DESCRIPTION

[0015] The present invention will be described in further detail below with reference to the accompanying drawings.

[0016] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings, wherein the same components are represented by the same reference numerals.

[0017] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the accompanying drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0018] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0019] Combined with attachment Figure 1 -Attached Figure 4 A retractor for laparoscopic thyroid surgery via an axillary approach comprises a retractor body, which comprises a connecting portion 1, a hanging portion 2 and a retractor portion 3. The hanging portion 2 and the retractor portion 3 are respectively vertically fixed to the upper and lower ends of the connecting portion 1. The upper portion of the retractor portion 3 away from one end of the connecting portion 1 is provided with a first expansion hook 4 and a second expansion hook 5 that can expand synchronously inward and outward. The first expansion hook 4 and the second expansion hook 5 are both formed with a first hollow 6.

[0020] In one embodiment, both sides of the end of the hook portion 3 away from the connecting portion 1 are provided with mounting grooves 7 for accommodating the first expansion hook 4 and the second expansion hook 5 respectively, and guide columns 8 are provided at the front and rear ends of the mounting groove 7. The first expansion hook 4 and the second expansion hook 5 are provided with guide holes 9, and the first expansion hook 4 and the second expansion hook 5 are respectively slidably connected to the guide columns 8 of the mounting groove 7 on the same side through the guide holes 9. In this embodiment, the design of the hook portion 3 fully considers the precision and convenience of the surgical operation. The precise position of the mounting groove 7 ensures that the first expansion hook 4 and the second expansion hook 5 can be quickly and stably entered and fixed in the incision when needed. The provision of the guide column 8 not only provides a stable sliding track for the expansion hook, but also ensures smoothness and precision during the expansion process. The close fit between the guide hole 9 and the guide column 8 reduces friction and resistance during the expansion process, allowing the doctor to easily control the expansion speed and degree of the expansion hook.

[0021] In one embodiment, a mounting cavity 10 is provided in the hook portion 3, and a pull rod 11 is provided in the mounting cavity 10 for sliding movement. The outer end of the pull rod 11 extends to the outside of the mounting cavity 10 and is bent upward to form a handle 12. One end of the pull rod 11 is connected to a drive plate 13, and two connecting rods 14 are rotatably connected to the drive plate 13. The first hollow 6 of the first expansion hook 4 and the second expansion hook 5 are both provided with a connection port 15 connected to the mounting cavity 10, and the ends of the two connecting rods 14 away from the drive plate 13 are rotatably connected to the connection ports 15 of the first expansion hook 4 and the second expansion hook 5 respectively. The connecting rod drive system in this embodiment is one of the core innovations of the hook. Through the push-pull operation of the pull rod 11, the drive plate 13 can accurately control the rotation angle and force of the two connecting rods 14. This design enables the first expansion hook 4 and the second expansion hook 5 to achieve synchronous and uniform expansion, avoiding incision damage or limited field of view caused by uneven expansion. At the same time, the rotational connection between the connecting rod 14 and the connecting port 15 also ensures the stability and reliability of the expansion hook during the expansion process, reducing the surgical risks caused by loose connections.

[0022] In one embodiment, the hanging portion 2 is formed with a plurality of hanging holes 16 extending along its length. The diversity and flexibility of the hanging holes 16 allow the surgeon to select the most appropriate hanging method based on the specific surgical circumstances and personal preferences. This not only improves the convenience of the surgical procedure but also ensures the stability and safety of the retractor throughout the entire surgical process. Furthermore, the design of the hanging holes takes into account the cleanliness and disinfection requirements of the operating room, facilitating post-operative cleaning and maintenance.

[0023] In one embodiment, the end of the retractor portion 3, distal from the connecting portion 1, is provided with a second hollow portion 17 corresponding to the first hollow portion 6. The design of the first hollow portion 6 and the second hollow portion 17 is a key innovation of this retractor, enhancing the clarity of the surgical field. These hollow structures not only increase light transmittance within the surgical field but also reduce light obstruction by the retractor body. Furthermore, they can reduce tissue pressure and protect the neck muscles being pulled.

[0024] In one embodiment, a suction tube 18 is provided in the extension direction of the bottom of the retractor portion 3, and the end of the suction tube 18 away from the second hollow 17 is bent outward toward the connecting portion. The design of the suction tube 18 not only solves the problem of fluid management during surgery, but also improves the efficiency and safety of the surgery. Its bending design not only facilitates connection with an external suction device, but also reduces interference with the doctor's operation during surgery. At the same time, the position and angle of the suction tube have also been carefully optimized to ensure that it can effectively absorb exudate and blood around the incision, keeping the surgical field clear and dry. This design helps reduce the risk of postoperative infection and speed up the patient's recovery.

[0025] Working principle: First, hang the entire special retractor on the operating table at a suitable height through the hanging hole 16 on the hanging part 2. At this time, the retractor is in an unfolded state, that is, the first expansion hook 4 and the second expansion hook 5 are tightly attached to the mounting groove 7 of the retractor part 3, maintaining a compact shape, which is convenient for carrying, disinfection and initial preparation.

[0026] When the operation begins, the doctor inserts the retractor body through the patient's axillary incision and extends into the cervical region. At this moment, the first expansion hook 4 and the second expansion hook 5 are tentatively placed in the incision, but have not yet been launched.

[0027] In order to expand the surgical field of view, the doctor pushes the pull rod 11 by operating the handle 12. The pull rod 11 slides in the mounting cavity 10 in the retractor portion 3, driving the drive plate 13 connected thereto to move forward. The movement of the drive plate 13 is transmitted through the rotation of two connecting rods 14, which are rotatably connected to the connecting ports 15 of the first expansion hook 4 and the second expansion hook 5, respectively. Due to the rotation of the connecting rod 14, the first expansion hook 4 and the second expansion hook 5 slide synchronously outward along the guide columns 8 in their respective mounting grooves 7, achieving inward and outward expansion of the incision. During this process, the guide holes 9 on the first expansion hook 4 and the second expansion hook 5 slide smoothly along the guide columns 8, ensuring the smoothness and accuracy of the expansion.

[0028] As the first and second expansion hooks 4 and 5 are deployed, the incision is effectively enlarged, providing the surgeon with a wider surgical field of view, facilitating observation of the incision and enabling precise surgical manipulation. Furthermore, the design of the first and second hollows 6 and 17 further increases light transmittance within the surgical area, improving the clarity of the surgical field.

[0029] Furthermore, a suction tube 18 extending from the bottom of the retractor 3 effectively draws exudate, blood, or other fluids from the incision during surgery, maintaining a clear and dry surgical field and reducing the risk of postoperative infection. The end of the suction tube 18, away from the second hollow portion 17, is bent outward, facilitating connection to an external suction device for smooth fluid drainage.

[0030] In summary, the special retractor for laparoscopic thyroid surgery via axillary approach in this application achieves rapid and smooth expansion of the surgical incision through innovative structural design, while ensuring the clarity of the surgical field of view and the convenience of surgical operation, greatly improving the safety of the operation and the quality of postoperative recovery of the patient.

[0031] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A retractor for laparoscopic thyroid surgery via axillary approach, comprising a retractor body, characterized in that: The hook body comprises a connecting portion (1), a hanging portion (2) and a hook portion (3); the hanging portion (2) and the hook portion (3) are respectively fixed vertically to the upper and lower ends of the connecting portion (1); the upper portion of the hook portion (3) away from one end of the connecting portion (1) is provided with a first expansion hook (4) and a second expansion hook (5) capable of synchronously expanding inward and outward; the first expansion hook (4) and the second expansion hook (5) are both formed with a first hollow (6).

2. The retractor for laparoscopic thyroid surgery via axillary approach according to claim 1, characterized in that: Both sides of the end of the hook portion (3) away from the connecting portion (1) are provided with mounting grooves (7) for accommodating the first expansion hook (4) and the second expansion hook (5), respectively; guide columns (8) are provided at the front and rear ends of the mounting groove (7); guide holes (9) are provided on the first expansion hook (4) and the second expansion hook (5), and the first expansion hook (4) and the second expansion hook (5) are respectively slidably connected to the guide columns (8) of the mounting groove (7) on the same side through the guide holes (9).

3. The retractor for laparoscopic thyroid surgery via axillary approach according to claim 2, characterized in that: A mounting cavity (10) is provided in the hook portion (3), and a pull rod (11) is provided in the mounting cavity (10) for sliding movement. The outer end of the pull rod (11) extends to the outside of the mounting cavity (10) and is bent upward to form a handle (12). One end of the pull rod (11) is connected to a driving plate (13), and two connecting rods (14) are rotatably connected to the driving plate (13). The first hollow portion (6) of the first expansion hook (4) and the second expansion hook (5) are both provided with a connecting port (15) connected to the mounting cavity (10), and the ends of the two connecting rods (14) away from the driving plate (13) are rotatably connected to the connecting ports (15) of the first expansion hook (4) and the second expansion hook (5).

4. The retractor for laparoscopic thyroid surgery via axillary approach according to claim 1, characterized in that: A plurality of hanging holes (16) are formed in the extension direction of the hanging portion (2).

5. The retractor for laparoscopic thyroid surgery via axillary approach according to claim 1, characterized in that: An end of the hook portion (3) away from the connecting portion (1) is provided with a second hollow (17) corresponding to the first hollow (6).

6. The retractor for laparoscopic thyroid surgery via axillary approach according to claim 5, characterized in that: A suction tube (18) is provided in the extending direction of the bottom of the hook portion (3), and one end of the suction tube (18) away from the second hollow portion (17) is bent outward toward the connecting portion.

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