Laryngeal up-bending forceps
Patent Information
- Application Number
- CN202520922711.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-10-13
- Estimated Expiration
- 2035-05-12
AI Technical Summary
[0002]喉钳用于夹取咽喉异物及咽喉部活检的常用器械,如钳取异物或咬切息肉,目前,喉钳基本为直钳,然而,由于人体食道弯曲,声带部位病变组织或者息肉无法直接观测,受直钳结构影响,无法够到弯曲部分的病变组织或者息肉,给手术治理带来麻烦
[0019]本实用新型提供了一种喉用上弯钳。与现有技术相比具备以下有益效果:
Smart Images

Figure CN224845504U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of laryngeal medical device technology, specifically a laryngeal up-curved forceps. Background Technology
[0002] Laryngeal forceps are commonly used instruments for grasping foreign bodies in the pharynx and for pharyngeal biopsies, such as grasping foreign bodies or biting and cutting polyps. Currently, laryngeal forceps are basically straight forceps. However, due to the curvature of the human esophagus, lesions or polyps in the vocal cords cannot be directly observed. Due to the influence of the straight forceps structure, it is impossible to reach the lesions or polyps in the curved part, which brings trouble to the surgical treatment.
[0003] Therefore, this utility model provides a throat-curving pliers to solve the above problems. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a throat-bending pliers, which solves the aforementioned problems.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a throat bending clamp, comprising:
[0006] The pliers head consists of a movable pliers head and a fixed pliers head, and the lower half of the rear end of the movable pliers head is hinged and fixed to the fixed pliers head;
[0007] The upper half of the rear end of the movable pliers head is hinged to the upper bending pliers rod. The end of the upper bending pliers rod near the movable pliers head is bent upward. A pliers rod screw hole is opened at the rear end of the upper bending pliers rod.
[0008] The handle is mounted on the end of the up-curved pliers bar away from the pliers head, and is used to drive the moving pliers head and the stationary pliers head to engage.
[0009] Preferably, the handle portion includes:
[0010] The front handle body has a plier bar connecting hole and a rear handle connecting hole at its upper end, and a plier bar screw is provided between the plier bar connecting hole and the plier bar screw hole;
[0011] The rear handle body has a rod in the middle, and the fixed jaw head is connected to the front end of the rod. The upper curved jaw bar is attached to the rod. The end of the rod near the fixed jaw head is bent upward. The rear end of the rear handle body is the handle. The front handle body is hinged to the handle.
[0012] Preferably, the front ends of the movable pliers head and the fixed pliers head are provided with picking grooves, and the front ends of the movable pliers head and the fixed pliers head are both bent upwards.
[0013] Preferably, the rear end of the movable pliers head is provided with a fixed hole and a movable hole of the same radius. The fixed hole is hinged to the rear end of the fixed pliers head, and the movable hole is hinged to the front end of the upper curved pliers rod through a connector.
[0014] Preferably, the bending angle of both the upper bending clamp and the rod is 15°.
[0015] Preferably, a T-shaped clamping rod buckle is provided below the middle of the upper bending clamping rod, and a buckle groove is provided on the rod. The front end of the clamping rod buckle passes through the buckle groove to fix the distance between the upper bending clamping rod and the rod.
[0016] Preferably, the handle is provided with a front handle movement groove and a front handle hinge hole, the upper end of the front handle body is inserted into the front handle movement groove, the groove wall of the front handle movement groove is provided with a through front handle hinge hole, and the rear handle connection hole matches the front handle hinge hole and is hinged through the handle screw.
[0017] Preferably, the fixed pliers head has a pliers head fixing groove that matches the fixed hole.
[0018] Beneficial effects
[0019] This utility model provides a throat-curving clamp. Compared with the prior art, it has the following advantages:
[0020] This laryngeal pliers features an upward-curved plier bar and an upward-curved front end structure with a 15° arc, perfectly reaching most of the vocal cord area and expanding the gripping range. The pliers head is fixed-moving, making separation more stable, and it also has a retrieval groove for easier object retrieval. The upward-curved plier bar and the rear handle are connected by a snap-fit mechanism, reducing gaps in the upward-curved plier bar during operation, making the structure more robust and extending its service life. The front handle body serves as the operating handle, reducing the vibration amplitude of the upward-curved plier bar during operation and making operation more stable. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the entire utility model;
[0022] Figure 2 This is a schematic diagram of the structure of the rear handle body of this utility model;
[0023] Figure 3 This is a schematic diagram of the structure of the front handle body of this utility model;
[0024] Figure 4 This is a schematic diagram of the structure of the bending clamp rod of this utility model;
[0025] Figure 5 This is a schematic diagram of the structure of the pliers head of this utility model.
[0026] In the diagram: 1. Pliers head; 1-1. Moving pliers head; 1-2. Fixed hole; 1-3. Moving hole; 2. Upward-curved pliers bar; 2-1. Pliers head connecting groove; 2-2. Pliers head connecting hole; 2-3. Pliers bar buckle; 2-4. Pliers bar screw hole; 3. Front handle body; 3-1. Pliers bar connecting hole; 3-2. Rear handle connecting hole; 4. Rear handle body; 4-1. Fixed pliers head; 4-2. Pliers head fixing groove; 4-3. Bar; 4-4. Buckle groove; 4-5. Handle; 4-6. Front handle hinge hole; 4-7. Front handle moving groove; 5. Pliers bar screw; 6. Handle screw; 7. Lifting groove. 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. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] Example 1:
[0029] Please see Figure 1-5 A type of upper curved forceps for throat use, comprising:
[0030] The object-grabbing pliers 1 consists of a movable pliers 1-1 and a fixed pliers 4-1, with the lower half of the rear end of the movable pliers 1-1 hinged and fixed to the fixed pliers 4-1;
[0031] The upper half of the rear end of the movable jaw head 1-1 is hinged to the upper bent jaw bar 2. The end of the upper bent jaw bar 2 near the movable jaw head 1-1 is bent upward. The rear end of the upper bent jaw bar 2 is provided with a jaw bar screw hole 2-4.
[0032] The handle is mounted on the end of the up-curved pliers 2 away from the pliers head 1, and is used to drive the moving pliers head 1-1 and the fixed pliers head 4-1 to engage.
[0033] In this embodiment, the front ends of the movable pliers 1-1 and the fixed pliers 4-1 are provided with a picking groove 7, and the front ends of the movable pliers 1-1 and the fixed pliers 4-1 are both bent upwards. The picking groove 7 makes it more convenient to pick up objects later.
[0034] In this embodiment, the rear end of the movable jaw 1-1 is provided with a fixed hole 1-2 and a movable hole 1-3 of the same radius. The fixed hole 1-2 is hinged to the rear end of the fixed jaw 4-1, and the movable hole 1-3 is hinged to the front end of the upper curved jaw bar 2 through a connector. By setting the fixed hole 1-2 and the movable hole 1-3, an effective assembly can be formed between the movable jaw 1-1 and the fixed jaw 4-1, and the movable jaw 1-1 can rotate and engage around the fixed hole 1-2.
[0035] In this embodiment, the handle portion includes:
[0036] The front handle body 3 has a plier bar connection hole 3-1 and a rear handle connection hole 3-2 at its upper end. A plier bar screw 5 is provided between the plier bar connection hole 3-1 and the plier bar screw hole 2-4.
[0037] The rear handle body 4 has a rod 4-3 in the middle. The fixed jaw head 4-1 is also connected to the front end of the rod 4-3. The upper curved jaw bar 2 is attached to the upper part of the rod 4-3. The end of the rod 4-3 near the fixed jaw head 4-1 is bent upward. The rear end of the rear handle body 4 is the handle 4-5. The front handle body 3 is hinged to the handle 4-5.
[0038] In this embodiment, the bending angle of the upper bending clamp rod 2 and the rod part 4-3 is 15°. By bending the upper bending clamp rod 2 and the rod part 4-3, compared with the straight clamp method, the vocal cord polyps that cannot be directly seen can be reached directly, thus expanding the clamping range.
[0039] In this embodiment, a T-shaped clamping bar buckle 2-3 is provided below the middle part of the upper bending clamping bar 2, and a buckle groove 4-4 is provided on the bar part 4-3. The front end of the clamping bar buckle 2-3 passes through the buckle groove 4-4 to fix the distance between the upper bending clamping bar 2 and the bar part 4-3. By setting the clamping bar buckle 2-3 and the buckle groove 4-4, the distance between the upper bending clamping bar 2 and the bar part 4-3 can be limited, reducing the gap between the upper bending clamping bar 2 and the bar part 4-3 during operation.
[0040] In this embodiment, the handle 4-5 is provided with a front handle movement groove 4-7 and a front handle hinge hole 4-6. The upper end of the front handle body 3 passes into the front handle movement groove 4-7. The groove wall of the front handle movement groove 4-7 is provided with a through front handle hinge hole 4-6. The rear handle connecting hole 3-2 matches the front handle hinge hole 4-6 and is hinged through the handle screw 6.
[0041] In this embodiment, a clamp head fixing groove 4-2 is provided at the fixed clamp head 4-1, which matches the fixed hole 1-2. Through the clamp head fixing groove 4-2 and the fixed hole 1-2, the fixed clamp head 4-1 can be stably assembled, ensuring the application effect of the fixed clamp head 4-1.
[0042] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.
[0043] Working principle:
[0044] Hold the front handle body 3 and the rear handle body 4. The front handle body 3 is used as an operating handle and the rear handle body 4 is used as a gripping handle. Push the front handle body 3. With the connection between the front handle body 3 and the upward-curved pliers bar 2, the moving pliers head 1-1 can rotate and engage around the fixed hole 1-2 to expose the polyp.
[0045] In summary, the upward-curved clamp rod 2 and the upward-curved structure at the front end of the rod 4-3, with an arc of 15°, can reach most of the vocal cord area, expanding the gripping range; the pliers head 1 is a fixed-moving type, which makes separation more stable, and it is equipped with a pliers groove 7, making it easier to pick up objects; the upward-curved clamp rod 2 and the rear handle rod are connected by a snap-fit, reducing the gap of the upward-curved clamp rod 2 during operation, making the structure more robust and extending its service life; the front handle body 3 is the operating handle, which reduces the vibration amplitude of the upward-curved clamp rod 2 during operation, making the operation more stable.
[0046] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0047] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A type of upper curved forceps for throat use, characterized in that: include: The pliers (1) consists of a movable pliers (1-1) and a fixed pliers (4-1), and the lower half of the rear end of the movable pliers (1-1) is hinged and fixed to the fixed pliers (4-1); The upper part of the rear end of the movable plier head (1-1) is hinged to the upper bent plier rod (2). The upper bent plier rod (2) is bent upward at one end near the movable plier head (1-1). A plier rod screw hole (2-4) is opened at the rear end of the upper bent plier rod (2). A handle portion, which is mounted on the end of the up-curved pliers bar (2) away from the pliers head (1), is used to drive the moving pliers head (1-1) and the fixed pliers head (4-1) to engage. The handle portion includes: The front handle body (3) has a plier bar connecting hole (3-1) and a rear handle connecting hole (3-2) at its upper end. A plier bar screw (5) is provided between the plier bar connecting hole (3-1) and the plier bar screw hole (2-4). The rear handle body (4) has a rod (4-3) in the middle, and the fixed jaw head (4-1) is also connected to the front end of the rod (4-3). The upper bent jaw bar (2) is attached to the upper part of the rod (4-3). The end of the rod (4-3) near the fixed jaw head (4-1) is bent upward. The rear end of the rear handle body (4) is the handle (4-5). The front handle body (3) is hinged to the handle (4-5). The front ends of the movable pliers (1-1) and the fixed pliers (4-1) are provided with a picking groove (7), and the front ends of the movable pliers (1-1) and the fixed pliers (4-1) are both bent upwards. The bending angle of the upward bent pliers rod (2) and the rod part (4-3) is 15°.
2. The laryngeal up-curving forceps according to claim 1, characterized in that: The rear end of the movable pliers head (1-1) is provided with a fixed hole (1-2) and a movable hole (1-3) of the same radius. The fixed hole (1-2) is hinged to the rear end of the fixed pliers head (4-1), and the movable hole (1-3) is hinged to the front end of the upper bent pliers bar (2) through a connector.
3. The laryngeal up-curving forceps according to claim 1, characterized in that: The upper bent clamp rod (2) has a T-shaped clamp rod buckle (2-3) at the lower middle part, and the rod part (4-3) has a buckle groove (4-4). The front end of the clamp rod buckle (2-3) passes through the buckle groove (4-4) to fix the distance between the upper bent clamp rod (2) and the rod part (4-3).
4. The laryngeal up-curving forceps according to claim 1, characterized in that: The handle (4-5) is provided with a front handle movement groove (4-7) and a front handle hinge hole (4-6). The upper end of the front handle body (3) is inserted into the front handle movement groove (4-7). The groove wall of the front handle movement groove (4-7) is provided with a through front handle hinge hole (4-6). The rear handle connecting hole (3-2) matches the front handle hinge hole (4-6) and is hinged through the handle screw (6).
5. A throat-curving clamp according to claim 2, characterized in that: The fixed pliers head (4-1) is provided with a pliers head fixing groove (4-2) that matches the fixed hole (1-2).