Adjustable air-injection-free lateral retractor for neck endoscopic surgery

By designing an adjustable lateral retractor for laparoscopic neck surgery and connecting it with a fixing rod and a fixing mechanism, the retractor body can be adjusted in multiple directions, solving the problems of instability and assistant fixation of traditional lateral retractors and improving surgical efficiency and environment.

CN223403885UActive Publication Date: 2025-10-03SUN YAT SEN MEMORIAL HOSPITAL SUN YAT SEN UNIV
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Patent Information

Application Number
CN202422355095.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-10-03
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

In traditional cervical laparoscopic surgery, the lateral retractors are unstable and require an assistant to fix them, which affects the surgical effect and increases labor intensity. There is currently no effective solution.

Method used

An adjustable gas-injection-free lateral retractor for cervical laparoscopic surgery is designed. The retractor is connected to a fixing mechanism through a fixing rod to achieve multi-directional adjustment of the retractor body, ensuring stability and precision to meet the surgical field exposure requirements of different patients.

Benefits of technology

It improves surgical efficiency, reduces the burden on assistants, improves the surgical environment, and adapts to the surgical needs of different patients.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an adjustable air-injection-free lateral retractor for neck endoscopic surgery, and belongs to the field of medical instruments. The retractor comprises a retractor body and is structurally characterized by further comprising a fixing rod, the fixing rod is connected with the retractor body, the retractor body comprises a first bent arm, a second bent arm, a third bent arm and a fourth bent arm, the fixing rod is connected with the first bent arm, the first bent arm is connected with the second bent arm, and the third bent arm is connected with the fourth bent arm. The first bending arm is connected with the first bending arm, the second bending arm is connected with the third bending arm, the third bending arm is connected with the fourth bending arm, the first bending arm, the second bending arm, the third bending arm and the fourth bending arm are of an integrated structure, the fixing rod and the drag hook body are of an integrated structure, and the included angle between the first bending arm and the second bending arm is 150 degrees. The included angle between the second bent arm and the third bent arm is 135 degrees, and the included angle between the third bent arm and the fourth bent arm is 135 degrees.
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Description

Technical Field

[0001] The utility model relates to an adjustable gas-injection-free cervical laparoscopic surgery lateral retractor, belonging to the field of medical instruments. Background Art

[0002] During laparoscopic neck surgery in otorhinolaryngology, lateral retractors are used to pull structures such as the sternocleidomastoid muscle, strap muscles, internal carotid artery, and internal jugular vein outward to precisely expose the neck surgical field under laparoscopy. Traditional surgical methods require an assistant to firmly and precisely hold the retractor in place to provide space for the surgeon, which can easily obstruct the surgical field. This can lead to issues such as retractor instability and labor intensity, potentially compromising surgical outcomes. Currently, no product implements this function. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned deficiencies in the prior art and to provide an adjustable gas-injection-free cervical laparoscopic surgery lateral retractor with a reasonable structural design.

[0004] The technical solution adopted by the present invention to solve the above-mentioned problem is: the adjustable gas-injection-free cervical laparoscopic surgery lateral retractor includes a retractor body, and its structural characteristics are: it also includes a fixing rod, the fixing rod is connected to the retractor body, the retractor body includes a first bending arm, a second bending arm, a third bending arm and a fourth bending arm, the fixing rod is connected to the first bending arm, the first bending arm is connected to the second bending arm, the second bending arm is connected to the third bending arm, the third bending arm is connected to the fourth bending arm, and the first bending arm, the second bending arm, the third bending arm and the fourth bending arm are arranged as an integrated structure.

[0005] Furthermore, the fixing rod and the hook body are arranged as an integrated structure.

[0006] Furthermore, the angle between the first bending arm and the second bending arm is 150°, the angle between the second bending arm and the third bending arm is 135°, and the angle between the third bending arm and the fourth bending arm is 135°.

[0007] Furthermore, the hook body is embedded in the fixing rod.

[0008] Furthermore, the fixing rod is installed on the fixing mechanism.

[0009] Compared with the existing technology, the utility model has the following advantages: the adjustable gas-injection-free cervical laparoscopic surgical side retractor is fixed on the fixed frame on the side of the operating table through a fixing mechanism, and the fixing mechanism can realize multi-directional flexible adjustment of the retractor body, thereby stably and accurately assisting the surgeon to fully expose the cervical surgical field under the laparoscope, improve the surgical efficiency, reduce the burden on assistants, improve the surgical environment, and adapt to the surgical needs of different patients. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The utility model is a schematic cross-sectional structure diagram of an adjustable gas-injection-free cervical laparoscopic surgery lateral retractor according to an embodiment of the utility model.

[0011] Figure 2 It is a schematic diagram of the three-dimensional structure of the first adjustable gas-injection-free cervical laparoscopic surgery lateral retractor according to an embodiment of the present utility model.

[0012] Figure 3 This is a schematic diagram of the three-dimensional structure of a second adjustable gas-injection-free cervical laparoscopic surgery lateral retractor according to an embodiment of the present utility model.

[0013] Figure 4 This is a schematic diagram of the three-dimensional structure of a third adjustable gas-injection-free cervical laparoscopic surgery lateral retractor according to an embodiment of the present utility model.

[0014] Figure 5 This is a schematic diagram of the three-dimensional structure of a fourth adjustable gas-injection-free cervical laparoscopic surgery lateral retractor according to an embodiment of the present utility model.

[0015] Figure 6 This is a schematic diagram of the three-dimensional structure of a fifth adjustable gas-injection-free cervical laparoscopic surgery lateral retractor according to an embodiment of the present utility model.

[0016] In the figure: a fixed rod 1, a first bending arm 2, a second bending arm 3, a third bending arm 4, and a fourth bending arm 5. DETAILED DESCRIPTION

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.

[0018] Example

[0019] See also Figures 1 to 6 As shown, it should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention. Therefore, they have no substantial technical significance. Any modification of the structure, change in the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, if there are references to terms such as "upper", "lower", "left", "right", "middle" and "one" in this specification, they are only for the convenience of description and are not used to limit the scope of the implementation of the present invention. Changes or adjustments in their relative relationships should also be considered as the scope of the implementation of the present invention without substantially changing the technical content.

[0020] The adjustable gas-injection-free cervical laparoscopic surgery lateral retractor in this embodiment includes a retractor body and a fixing rod 1. The fixing rod 1 is connected to the retractor body, and the retractor body is embedded in the fixing rod 1. The fixing rod 1 and the retractor body are an integrated structure. The fixing rod 1 is installed on a fixing mechanism, and the fixing mechanism is a clamp (2021230084711) or a retainer (2021230129924).

[0021] The hook body in this embodiment includes a first bending arm 2, a second bending arm 3, a third bending arm 4 and a fourth bending arm 5. The fixing rod 1 is connected to the first bending arm 2, the first bending arm 2 is connected to the second bending arm 3, the second bending arm 3 is connected to the third bending arm 4, and the third bending arm 4 is connected to the fourth bending arm 5. The first bending arm 2, the second bending arm 3, the third bending arm 4 and the fourth bending arm 5 are arranged as an integrated structure.

[0022] In this embodiment, the angle between the first bending arm 2 and the second bending arm 3 is 150°, the angle between the second bending arm 3 and the third bending arm 4 is 135°, and the angle between the third bending arm 4 and the fourth bending arm 5 is 135°.

[0023] Among them, the length of the fixing rod 1 of the first adjustable gas-free cervical laparoscopic surgery lateral retractor is 10 cm, the length of the second bending arm 3 is 5 cm, the length of the third bending arm 4 is 2 cm, and the length of the fourth bending arm 5 is 1 cm (such as Figure 2 shown).

[0024] Among them, the length of the fixing rod 1 of the second adjustable gas-free cervical laparoscopic surgery side retractor is 10 cm, the length of the second bending arm 3 is 8 cm, the length of the third bending arm 4 is 2 cm, and the length of the fourth bending arm 5 is 1 cm (such as Figure 3 shown).

[0025] Among them, the length of the fixing rod 1 of the third adjustable gas-free cervical laparoscopic surgery lateral retractor is 10 cm, the length of the second bending arm 3 is 11 cm, the length of the third bending arm 4 is 2 cm, and the length of the fourth bending arm 5 is 1 cm (such as Figure 4 shown).

[0026] Among them, the length of the fixing rod 1 of the fourth adjustable gas-free cervical laparoscopic surgery lateral retractor is 10 cm, the length of the second bending arm 3 is 14 cm, the length of the third bending arm 4 is 2 cm, and the length of the fourth bending arm 5 is 1 cm (such as Figure 5 shown).

[0027] Among them, the length of the fixing rod 1 of the fifth adjustable gas-free cervical laparoscopic surgery lateral retractor is 10 cm, the length of the second bending arm 3 is 17 cm, the length of the third bending arm 4 is 2 cm, and the length of the fourth bending arm 5 is 1 cm (such as Figure 6 shown).

[0028] Specifically, the adjustable air-injection-free cervical laparoscopic surgical lateral retractor is used in conjunction with a fixing mechanism. When in use, the fixing rod 1 is installed on the fixing mechanism, and the fixing mechanism is installed on the fixing frame on the side of the operating table to ensure stability and no shaking. The fixing mechanism can realize multi-directional flexible adjustment of the retractor body, and the angle between the first bending arm 2 and the second bending arm 3 is designed to be 150°, the angle between the second bending arm 3 and the third bending arm 4 is designed to be 135°, and the angle between the third bending arm 4 and the fourth bending arm 5 is designed to be 135°, so that the fixing rod 1 (such as Figure 1 When the retractor body is approximately parallel to the human body, the retractor body will not block the surgical field of view, so that the surgical field of view can be more fully exposed.

[0029] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is merely an example of the structure of the utility model. Any equivalent changes or simple changes made based on the structure, features and principles described in the concept of the utility model patent are included in the scope of protection of the utility model patent. Technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should fall within the scope of protection of the utility model.

Claims

1. An adjustable, air-injection-free cervical laparoscopic surgery lateral retractor, comprising a retractor body, characterized in that: The invention also includes a fixing rod (1), wherein the fixing rod (1) is connected to a hook body, and the hook body includes a first bending arm (2), a second bending arm (3), a third bending arm (4) and a fourth bending arm (5), wherein the fixing rod (1) is connected to the first bending arm (2), the first bending arm (2) is connected to the second bending arm (3), the second bending arm (3) is connected to the third bending arm (4), and the third bending arm (4) is connected to the fourth bending arm (5), and the first bending arm (2), the second bending arm (3), the third bending arm (4) and the fourth bending arm (5) are arranged as an integrated structure.

2. The adjustable gas-injection-free cervical laparoscopic surgery lateral retractor according to claim 1, characterized in that: The fixing rod (1) and the draw hook body are arranged as an integrated structure.

3. The adjustable gas-injection-free cervical laparoscopic surgery lateral retractor according to claim 1, characterized in that: The included angle between the first bending arm (2) and the second bending arm (3) is 150°, the included angle between the second bending arm (3) and the third bending arm (4) is 135°, and the included angle between the third bending arm (4) and the fourth bending arm (5) is 135°.

4. The adjustable gas-injection-free cervical laparoscopic surgery lateral retractor according to claim 1, characterized in that: The draw hook body is embedded in the fixing rod (1).

5. The adjustable gas-injection-free cervical laparoscopic surgery lateral retractor according to claim 1, characterized in that: The fixing rod (1) is mounted on the fixing mechanism.