Gun type lymph node forceps with opening perpendicular to opening and closing of forceps handles

Abstract

The invention discloses gun-type lymph node forceps with openings perpendicular to opening and closing of forceps handles, and belongs to the technical field of medical instruments. According to the technical scheme, the forceps comprise forceps bodies, forceps handles, forceps heads and a sliding block, the forceps bodies comprise the lower forceps body and the upper forceps body, the forceps handles comprise the movable forceps handle and the fixed forceps handle which are oppositely arranged, the fixed forceps handle is fixed to the lower forceps body, the rear end of the upper forceps body is hinged to the sliding block, and the sliding block is connected with the movable forceps handle; the forceps head comprises a fixed forceps head and a movable forceps head, the fixed forceps head is fixed on the lower forceps body, and the movable forceps head is hinged with the upper forceps body. The gun type lymph node forceps have the beneficial effects that the gun type lymph node forceps are efficient and accurate in clamping capacity, stable in guiding mechanism, high in opening and closing stability, of a pistol loading type structure, flexible in hinge structure, smooth in opening and closing experience, compact in operation design and safe and reliable in performance; and great convenience and guarantee are provided for surgical operation of small tissues such as lymph nodes and the like.

Description

Technical Field

[0001] The invention belongs to the technical field of medical instruments, and in particular relates to a gun-type lymph node forceps with an opening and a forceps handle opening and closing perpendicularly. Background Art

[0002] The gun-type lymph node forceps is an instrument used for lymph node biopsy surgery, and its technical background is closely related to lymph node examination and cancer treatment. Lymph nodes are an important tissue in the body, and they play a key role in the immune system. Therefore, the examination and evaluation of lymph nodes is very important for the diagnosis and analysis of cancer, but traditional surgical methods are very harmful to the human body and have a long recovery period. In order to better operate on lymph nodes, lymph node forceps technology came into being. Compared with traditional clamping tools, the use of lymph node forceps to operate on lymph is less traumatic to the human body. This instrument is similar to a pair of pliers, with an openable and closable clamping head, and is mainly used to operate on lymph nodes during surgery.

[0003] The design of lymph node forceps makes lymph node biopsy surgery simpler and more precise. It can be operated through a small incision or puncture wound, reducing trauma and recovery time. For example, the design of the public / announcement number CN105640612A, CN205626029U, etc. greatly reduces the squeezing of lymph nodes when grasping and clamping lymph nodes, avoiding the squeezing and transfer of tumor cells in the lymph nodes to other tissues, which is conducive to the safe operation, saving time and effort, and reducing the labor intensity of medical staff. Although the above problems have been alleviated to a certain extent, such as reducing lymph node squeezing and improving the convenience of operation, the existing lymph node forceps technology still has some limitations. The main problems are concentrated on the accuracy of the operation, the convenience of operation and the impact on the patient. When grasping and removing lymph nodes, traditional lymph node forceps may cause tissue damage due to the difficulty in controlling the clamping force, especially squeezing the fragile lymph node structure, increasing the risk of surgery and the possibility of complications. In addition, due to different observation angles and field of view limitations, doctors may encounter challenges during the operation, affecting the efficiency and results of the operation. Among them, the Chinese utility model patent with announcement number CN205626029U introduces a multifunctional lymph node forceps, which changes the forceps head of the lymph node forceps into an arc-shaped mesh, making the forceps head convenient for single-port thoracoscopic surgery; it greatly reduces the squeezing of lymph nodes when grasping and clamping lymph nodes, but the forceps head and the handle are coaxial, which makes the surgical operation inconvenient.

[0004] Among other prior arts, the Chinese utility model patent with announcement number CN209172425U introduces a lymph node forceps, which uses a curved forceps head, but the degree of curvature is small, and the field of view is still narrow during actual use. The Chinese utility model patent with announcement number CN212521856U introduces a surgical lymph node forceps, which can be used flexibly under small incision surgery conditions. The opening and closing function of the forceps head is achieved through the sliding connection between the forceps body and the slide plate, but the curvature of the forceps head is still limited, and the offset from the axis of the forceps handle is small. The body of the lymph node forceps proposed in the above patent is relatively slender, and may lack sufficient clamping strength and structural stability. In addition, the curved forceps head solution with publication number CN209172425U and CN212521856U does not provide obvious guidance to the doctor's surgical field of view compared with the straight forceps head solution with publication number CN205626029U.

[0005] In summary, the lymph node forceps in the prior art still have much room for improvement in terms of clamping force control, surgical accuracy, operational convenience and improved visual field.

[0006] In the face of these challenges, there is an urgent need for a different form of lymph node forceps that can overcome the limitations of existing technologies and provide a more precise, safer, and more humane surgical solution. Summary of the invention

[0007] In order to solve the problems existing in the above-mentioned prior art, the present invention provides a gun-type lymph node forceps with an opening and closing perpendicular to the opening and closing of the forceps handle, aiming to solve the technical problems of the single clamping direction of the lymph node forceps, a single surgical field of view, insufficient clamping force, and possible tissue damage, and provides a new clamping direction for the lymph node forceps, so that the opening and closing direction of the forceps head is perpendicular to the opening and closing direction of the forceps handle.

[0008] To achieve the above object, the present invention provides the following technical solutions:

[0009] A gun-type lymph node forceps with an opening and a handle that open and close perpendicularly, comprising a forceps body, a forceps handle, a forceps head and a slider, wherein the forceps body comprises a lower forceps body and an upper forceps body, the forceps handle comprises a movable forceps handle and a fixed forceps handle that are arranged opposite to each other, the fixed forceps handle is fixed to the lower forceps body, the rear end of the upper forceps body is hinged to the slider, and the slider is connected to the movable forceps handle; the forceps head comprises a fixed forceps head and a movable forceps head, the fixed forceps head is fixed to the lower forceps body, and the movable forceps head is hinged to the upper forceps body.

[0010] Furthermore, at least two guide grooves are provided in the middle of the upper clamp body, and the guide grooves are of a trapezoidal structure, and each guide groove is equipped with a T-pin for guiding the movement of the upper clamp body.

[0011] Furthermore, a concave structure is provided at the front end of the lower pliers body, and the movable pliers head is hinged to the concave structure at the front end of the lower pliers body through the convex structure of the connecting part thereof.

[0012] Furthermore, a pin shaft slide groove is also provided at the front end of the lower clamp body, and the clamp head pin is slidably connected to the pin shaft slide groove, and the clamp head pin is also slidably connected to the clamp head slide groove.

[0013] Furthermore, the rear ends of the upper clamp body and the lower clamp body are both provided with a rotating slide groove for providing the slider 8 with rotation.

[0014] Furthermore, the guide groove comprises a large end of the guide groove and a narrow portion of the guide groove, and the large end of the guide groove and the narrow portion of the guide groove are connected.

[0015] Beneficial effects of the present invention:

[0016] Compared with the prior art, the gun-type lymph node forceps with the opening and closing of the forceps handle perpendicular to each other in the present invention has the following technical characteristics and beneficial effects:

[0017] (1) Efficient and precise clamping capability: The forceps head is designed as a fixed forceps head and a movable forceps head. The movable forceps head is hinged to the upper forceps body. This design enables the forceps head to fit tightly when opening and closing, achieving precise clamping of small tissues such as lymph nodes, thereby improving the accuracy and efficiency of surgical operations.

[0018] (2) Stable guiding mechanism: The combination of the trapezoidal guide groove in the middle of the upper body and the T-pin provides a stable guiding mechanism for the movement of the forceps. This design not only ensures the stability of the forceps during the opening and closing process, but also reduces the surgical risks caused by shaking or deviation.

[0019] (3) Flexible hinged structure: The concave structure at the front end of the lower forceps body is hinged with the convex structure of the movable forceps head, and the sliding connection between the forceps head pin and the pin shaft slide groove and the forceps head slide groove enables the forceps head part to rotate and slide flexibly, further enhancing the adaptability and operational flexibility of the forceps, and facilitating its use in complex surgical environments; when opening and closing, the upper forceps body drives the movable forceps head to open and close through the forceps head pin, and the forceps head pin moves in the pin shaft slide groove. At the same time, through the sliding contact of the forceps head pin in the forceps head slide groove, the stability of the opening and closing of the forceps head is improved through this gun-like design of the pistol loading structure.

[0020] (4) Smooth opening and closing experience: The rotating slide grooves at the rear ends of the upper and lower forceps provide space for the rotation of the slider, making the opening and closing of the forceps handle smoother, reducing operational resistance and improving the fluency of surgical operations.

[0021] (5) Compact structure and easy operation: The overall design is compact, and the opening and closing of the forceps handle are perpendicular, which conforms to ergonomic principles, allowing doctors to easily hold and operate during surgery, reducing hand fatigue and improving surgical efficiency.

[0022] (6) Safe and reliable: Through sophisticated structural design and material selection, the strength and durability of the forceps are ensured, enabling them to work stably and reliably during surgery, reducing surgical risks caused by instrument failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below in combination with the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0024] Figure 1 It is a schematic diagram of the closed state structure of the present invention;

[0025] Figure 2 It is a partial enlarged view of the cross section of the clamp head of the present invention;

[0026] Figure 3 This is a partial enlargement of the clamp head loading structure of the present invention. Figure 1 ;

[0027] Figure 4 This is a partial enlargement of the clamp head loading structure of the present invention. Figure 2 ;

[0028] Figure 5 It is a partial enlarged diagram of the schematic diagram of the closed state of the clamp head of the present invention;

[0029] Figure 6 This is a partial enlargement of the guide groove of the clamp body of the present invention. Figure 1 ;

[0030] Figure 7 This is a partial enlargement of the guide groove of the clamp body of the present invention. Figure 2 ;

[0031] Figure 8 is a schematic diagram of the structure of the opening state of the present invention,

[0032] Reference numerals in the figure: 1-clamp body, 2-clamp handle, 3-T-pin, 4-clamp head, 5-clamp head pin, 6-guide groove, 7-rotation slide groove, 8-slider, 9-pin shaft slide groove, 10-clamp head slide groove, 11-convex structure, 12-concave structure, 1-1, upper clamp body, 1-2, lower clamp body, 2-1, movable clamp handle, 2-2, fixed clamp handle, 4-1, movable clamp head, 4-2, fixed clamp head, 5-1, through hole, 5-2, clamp head pin, 6-1, large end of guide groove, 6-2, narrow part of guide groove. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. Figure 1-8 The gun-type lymph node forceps with the opening and closing of the opening and handle perpendicular to each other are further described.

[0034] Example 1

[0035] A gun-type lymph node forceps with an opening and a handle that open and close perpendicularly, comprising a forceps body 1, a forceps handle 2, a forceps head 4 and a slider 8, wherein the forceps body 1 comprises a lower forceps body 1-2 and an upper forceps body 1-1, the forceps handle 2 comprises a movable forceps handle 2-1 and a fixed forceps handle 2-2 that are arranged opposite to each other, the fixed forceps handle 2-2 is fixed to the lower forceps body 1-2, the rear end of the upper forceps body 1-1 is hinged to the slider 8, and the slider 8 is connected to the movable forceps handle 2-1; the forceps head 4 comprises a fixed forceps head 4-2 and a movable forceps head 4-1, the fixed forceps head 4-2 is fixed to the lower forceps body 1-2, and the movable forceps head 4-1 is hinged to the upper forceps body 1-1.

[0036] The middle part of the upper pliers body 1-1 is provided with at least two guide grooves 6, the guide grooves 6 are trapezoidal structures, and each guide groove 6 is equipped with a T-pin 3 for guiding the movement of the upper pliers body 1-1. The front end of the lower pliers body 1-2 is provided with a concave structure 12, and the movable pliers head 4-1 is hinged with the concave structure 12 at the front end of the lower pliers body 1-2 through the convex structure 11 of its connecting part. The front end of the lower pliers body 1-2 is also provided with a pin shaft slide groove 9, and the pliers head pin 5-2 is slidably connected to the pin shaft slide groove 9, and the pliers head pin 5-2 is also slidably connected to the pliers head slide groove 10.

[0037] The rear ends of the upper clamp body 1-1 and the lower clamp body 1-2 are both provided with a rotating slide groove 7 for providing rotation of the slider 8. The guide groove 6 includes a large end 6-1 and a narrow part 6-2, and the large end 6-1 and the narrow part 6-2 are connected.

[0038] The working principle and process of the gun-type lymph node forceps are as follows:

[0039] Working principle:

[0040] By moving the movable clamp handle 2-1 up and down, the slider 8 is driven to rotate using the lever principle, thereby driving the upper clamp body 1-1 to move relative to the lower clamp body 1-2.

[0041] The cooperation between the trapezoidal guide groove 6 in the middle of the upper clamp body 1-1 and the T-pin 3 ensures the stability and accuracy of the upper clamp body during movement and prevents deviation or shaking.

[0042] The hinged connection between the movable clamp head 4-1 and the upper clamp body 1-1, and the hinged connection between the convex structure 11 of the connecting part of the movable clamp head 4-1 and the concave structure 12 at the front end of the lower clamp body 1-2, enable the clamp head part to be opened and closed flexibly to adapt to lymph nodes of different shapes and sizes.

[0043] The sliding of the clamp head pin 5 - 2 in the pin shaft slot 9 and the clamp head slot 10 further enhances the flexibility and stability of the clamp head part, ensuring precise control of the clamp head during the clamping process.

[0044] Working process:

[0045] Initial state: the pliers are in a closed state, the movable pliers handle 2-1 fits tightly with the fixed pliers handle 2-2, the upper pliers body 1-1 and the lower pliers body 1-2 are close, and the fixed pliers head 4-2 and the movable pliers head 4-1 are closed to form a small clamping space.

[0046] Opening process: The doctor holds the fixed forceps handle 2-2 and pushes the movable forceps handle 2-1 upward. The upward movement of the movable forceps handle 2-1 is converted into the backward movement of the upper forceps body 1-1 relative to the lower forceps body 1-2 through the rotation of the slider 8. In this process, the T-pin 3 slides in the trapezoidal guide groove 6 to ensure that the upper forceps body 1-1 moves smoothly and in the right direction.

[0047] Clamping process: As the upper clamp body 1-1 moves backward, the movable clamp head 4-1 rotates in the concave structure 12 at the front end of the lower clamp body 1-2 through the convex structure 11 of its connecting part, gradually opening the clamp head part. At the same time, the clamp head pin 5-2 slides in the pin shaft slot 9 and the clamp head slot 10 to ensure the stability and flexibility of the clamp head part during the opening process. When the clamp head part is fully opened, the doctor can aim the clamp at the target lymph node.

[0048] Closing process: The doctor reverses the operation of the movable forceps handle 2-1 to move it downward. This action is converted into the forward movement of the upper forceps body 1-1 relative to the lower forceps body 1-2 through the rotation of the slider 8, and the T-pin 3 slides in the opposite direction in the trapezoidal guide groove 6. As the upper forceps body 1-1 moves forward, the movable forceps head 4-1 gradually approaches the fixed forceps head 4-2 until the two are tightly closed to clamp the lymph node.

[0049] Stable clamping: During the clamping process, the close fit between the trapezoidal guide groove 6 and the T-pin 3, as well as the flexible hinge and sliding connection of the forceps head, ensures that the forceps can stably and accurately clamp the lymph nodes, providing strong support for surgical operations.

[0050] The vertical opening and closing gun-type lymph node forceps of the present invention aims to provide a new surgical field of view, reduce tissue damage, and improve surgical efficiency through an innovative vertical opening and closing mechanism, thereby bringing revolutionary changes to lymph node biopsy surgery.

[0051] Example 2

[0052] As a new embodiment, or a supplement to Embodiment 1.

[0053] like Figure 1 The vertically opening and closing gun-type lymph node forceps shown in the figure have the following main technical features: a forceps body 1; a forceps handle 2; a T-pin 3; a forceps head 4; a forceps head pin 5; a guide groove 6; a rotating slide groove 7; a slider 8; a pin shaft slide groove 9; a forceps head slide groove 10; a convex structure 11; and a concave structure 12.

[0054] The gun-type lymph node forceps with an opening and a handle that open and close perpendicularly, the lower forceps body 1-2 is immovable, the upper forceps body 1-1 is movable, the rear end of the upper forceps body 1-1 is hinged with a slider 8, and the slider 8 is connected to the movable forceps handle 2-1, the middle end of the upper forceps body 1-1 is provided with two guide grooves 6, which cooperate with the T-pin 3, the upper forceps body 1-1 and the movable forceps head 4-1 are hinged, the two ends of the lower forceps body 1-2 are respectively provided with a fixed forceps handle 2-2 and a fixed forceps head 4-2, and the movable forceps handle 2-1 and the movable forceps head 4-1 are located at opposite positions, the rear ends of the upper forceps body 1-1 and the lower forceps body 1-2 are simultaneously provided with a rotating slide groove 7 for the slider 8 to rotate, when the gun-type lymph node forceps is used, by opening and closing the movable forceps handle 2-1, the slider 8 rotates accordingly, driving the upper forceps body 1-1 to slide accordingly, driving the movable forceps head 4-1 to open and close, thereby achieving grasping.

[0055] The movable clamp handle 2-1 moves in a manner similar to loading a pistol during the opening and closing process of the lymph node clamp described in this embodiment. Figure 2 As shown, the front end of the lower clamp body 1-2 is provided with a pin shaft slot 9, and the clamp head pin 5-2 slides in the slot and can move in the clamp head slot 10 at the same time. The movable clamp head 4-1 can be driven to open and close through the clamp head pin 5-2. At this time, the pin shaft slot 9 and the clamp head slot 10 play a guiding role at the same time. This form can make the lymph node clamp more powerful. Figure 3 , Figure 4 , Figure 5 As shown, the front end of the lower clamp body 1-2 is a concave structure 12, and the convex structure 11 of the linking part of the movable clamp head 4-1 is hinged with the concave structure 12 at the front end of the lower clamp body 1-2, so that the movement of the movable clamp head 4-1 is more stable and firm.

[0056] At the same time, the lymph node forceps described in this embodiment are evenly provided with guide grooves 6 on the forceps body 1, Figure 5It can be seen that the T-pin 3 cooperates with the guide groove 6 opened in the upper clamp body 1-1, and plays a guiding role in the movement of the upper clamp body 1-1. The guide groove 6 is designed with a trapezoidal structure. During assembly, the T-pin 3 enters from the large end 6-1 of the guide groove 6. When the lymph node forceps are opened and closed normally, the T-pin 3 slides in the narrow part 6-2 of the guide groove 6, which guides the movement of the upper clamp body 1-1, making the upper clamp body 1-1 more stable in the opening and closing process of the lymph node forceps, thereby improving the structural strength and reliability.

[0057] By changing the clamping direction, the opening direction of the forceps head 1 is perpendicular to the opening direction of the forceps handle 2, and the lymph node forceps can provide a new intraoperative observation angle, so that the doctor can see the shape, structure and details of the clamped object more clearly, thereby better evaluating the surgical operation and making accurate decisions.

[0058] Different from traditional lymph node forceps, the clamping direction of the present invention is perpendicular to the opening and closing direction. During surgery, the operating angle of the horizontal lymph node forceps may be limited. This patent provides a new operating angle for surgery by vertically opening and closing the forceps head.

[0059] The convex-concave matching of the movable forceps head 4-1 and the convex structure 11 and the concave structure 12 of the lower forceps body 1-2 and the guiding design of the pin shaft slide groove 9 and the forceps head slide groove 10, the movement mode is similar to loading a pistol, so that the lymph node forceps can grip the tissue more firmly, thereby improving the safety during the operation.

[0060] The clamping direction of the present invention is perpendicular to the opening and closing direction of the clamp handle, providing a new operation method and vision for surgery; the front end of the lower clamp body 1-2 is hinged with the movable clamp head 4-1 in a concave-convex structure, and the clamp head connecting part is hinged with the concave structure 12 at the front end of the lower clamp body 1-2 in a convex shape. When opening and closing, the upper clamp body 1-1 drives the movable clamp head 4-1 to open and close through the clamp head pin 5-2. At this time, the clamp head pin 5-2 moves in the pin shaft slide groove 9, and at the same time, the clamp head pin 5-2 is in sliding contact with the clamp head slide groove 10. Through this gun-like design of the pistol loading structure, the stability of the clamp head opening and closing is improved; the T-pin 3 and the guide groove 6 designed on the upper and lower clamp bodies make the movement of the lymph node clamp more stable, have a more stable grip when clamping tissues, reduce the risk of sliding or falling off, and improve the safety of the surgical process.

[0061] 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 according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A gun-type lymph node forceps with an opening and a handle opening and closing perpendicularly, comprising a forceps body (1), a forceps handle (2), a forceps head (4) and a slider (8), characterized in that: The pliers body (1) comprises a lower pliers body (1-2) and an upper pliers body (1-1); the pliers handle (2) comprises a movable pliers handle (2-1) and a fixed pliers handle (2-2) which are arranged opposite to each other; the fixed pliers handle (2-2) is fixed to the lower pliers body (1-2); the rear end of the upper pliers body (1-1) is hinged to a slider (8); the slider (8) is connected to the movable pliers handle (2-1); the pliers head (4) comprises a fixed pliers head (4-2) and a movable pliers head (4-1); the fixed pliers head (4-2) is fixed to the lower pliers body (1-2); and the movable pliers head (4-1) is hinged to the upper pliers body (1-1).

2. The gun-type lymph node forceps according to claim 1, characterized in that: At least two guide grooves (6) are provided in the middle of the upper clamp body (1-1). The guide grooves (6) are of a trapezoidal structure. Each guide groove (6) is equipped with a T-pin (3) for guiding the movement of the upper clamp body (1-1).

3. The gun-type lymph node forceps according to claim 1, characterized in that: The front end of the lower pliers body (1-2) is provided with a concave structure (12), and the movable pliers head (4-1) is hingedly connected to the concave structure (12) at the front end of the lower pliers body (1-2) via the convex structure (11) of the connecting part thereof.

4. The gun-type lymph node forceps according to claim 1, characterized in that: The front end of the lower clamp body (1-2) is also provided with a pin shaft slide groove (9), the clamp head pin (5-2) is slidably connected to the pin shaft slide groove (9), and the clamp head pin (5-2) is also slidably connected to the clamp head slide groove (10).

5. The gun-type lymph node forceps according to claim 1, characterized in that: The rear ends of the upper clamp body (1-1) and the lower clamp body (1-2) are both provided with a rotating slide groove (7) for providing rotation for the slider (8).

6. The gun-type lymph node forceps according to claim 2, characterized in that: The guide groove (6) comprises a large end (6-1) of the guide groove and a narrow portion (6-2) of the guide groove, and the large end (6-1) of the guide groove and the narrow portion (6-2) of the guide groove are connected.

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