Gastroenteroscopy grasping forceps

Abstract

The grasping forceps comprise a forceps body, two sets of forceps claws capable of being opened and closed are arranged at one end of the forceps body in a mirroring mode, the forceps claws are connected with a sliding rod through a first adjusting assembly, the sliding rod is installed in an inner cavity of the forceps body in a sliding mode, one end of the sliding rod penetrates through the forceps body, and a first spring is arranged outside the forceps body in a sleeved mode. One end of the sliding rod close to the first spring is connected with a first supporting piece, the first supporting piece is connected with a second supporting piece installed at one end of the pincer body in a sliding mode, and the first supporting piece can be locked through a locking assembly, so that the first supporting piece can slide along the second supporting piece by unlocking the first supporting piece through the locking assembly; when the first spring pushes the first supporting piece to be away from the second supporting piece, the sliding rod can be pulled to move to be matched with the first adjusting assembly to achieve opening of the gripper arms, on the contrary, closing of the gripper arms can be achieved, opening and closing of the gripper arms can be locked, the gripping pliers do not need to be held all the time, more labor is saved, and use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of grasping forceps, in particular to a digestive endoscope grasping forceps. Background Art

[0002] Gastrointestinal endoscopy grasping forceps is a precision medical device used in gastrointestinal endoscopy or treatment. It is usually made of metal material and has a pair of movable grasping claws or clamps for clamping and fixing target tissues or objects. This tool plays a key role in endoscopy and can help doctors perform a variety of operations, such as tissue sampling, lesion resection or foreign body removal.

[0003] The grasping forceps in the prior art are generally opened and closed by medical staff, and they need to hold the grasping forceps all the time when grasping, which is inconvenient. Due to hand fatigue, excessive force or relaxation may occur, causing the grasping forceps to break the tissue or the grasping forceps to loosen and cause the tissue to fall. For this reason, we propose a digestive endoscopy grasping forceps. Utility Model Content

[0004] The utility model aims to provide a digestive endoscope grasping forceps to solve the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a digestive endoscope grasping forceps, comprising a forceps body, two sets of openable and closable jaws are mirror-imaged at one end of the forceps body, the jaws are connected to a sliding rod through a first adjustment component, the sliding rod is slidably installed in the inner cavity of the forceps body, one end of the sliding rod penetrates the forceps body, and a first spring is sleeved on the outside, the end of the sliding rod close to the first spring is connected to a first support member, the first support member is slidably connected to a second support member installed at one end of the forceps body, and can be locked by a locking component.

[0006] Preferably, the locking assembly includes a sliding seat, a locking tongue and a second spring. The sliding seats are installed at both ends of the second support member. The inner cavity of the sliding seat is installed with a slidable locking tongue. The end of the locking tongue extending to the outside of the sliding seat can be inserted into the first support member. The other end of the locking tongue is connected to the second spring. The locking tongue can be moved by a second adjusting assembly.

[0007] Preferably, the second adjustment assembly includes a first adjustment rod and a second adjustment rod, the locking tongue is connected to one end of the second spring and is movably connected to the first adjustment rod, the other end of the first adjustment rod is hinged to one end of the second adjustment rod, and the second adjustment rod is sleeved on the outside of the caliper body and is slidably connected thereto.

[0008] Preferably, the first adjustment assembly includes a third adjustment rod, a fourth adjustment rod and a fifth adjustment rod, the third adjustment rod is installed on one end of the clamp jaw that is hinged to the clamp body, the third adjustment rod is hinged to one end of the fourth adjustment rod, the other end of the fourth adjustment rod is hinged to the fifth adjustment rod, and the fifth adjustment rod is connected to one end of the sliding rod.

[0009] Preferably, anti-slip parts are installed on opposite sides of the two groups of jaws.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The utility model can make the first support member slide along the second support member by releasing the lock of the locking assembly on the first support member. When the first spring pushes the first support member away from the second support member, the slide bar can be pulled to move, and the first adjustment assembly can be cooperated to realize the opening of the clamp jaws. Conversely, the clamp jaws can be closed. Compared with the prior art, the opening and closing of the clamp jaws can be locked, and there is no need to hold the grabbing pliers all the time, which is more labor-saving and more convenient to use.

[0012] 2. When grasping, the utility model presses the first support member to make it close to the second support member. Since the inclined surface of the locking tongue faces the second support member, the first support member is pushed and will not be affected by the locking tongue. At this time, the first spring can be compressed, and the first adjusting component can be cooperated to realize the closing of the pliers claw. When unlocking, the second adjusting rod is pressed to make it slide along the pliers body, and the first adjusting rod is cooperated to push the locking tongue to slide toward the inside of the sliding seat, and the second spring is compressed, so that the locking tongue can be separated from the first support member. At this time, the elastic force of the first spring can push the first support member away from the second support member. At this time, the pliers claw can be unlocked. By locking the pliers claw, there is no need to hold the pliers tightly when using it.

[0013] 3. The third adjusting rod of the utility model and one end of the clamp claw form a structure with an L-shaped cross-section. When the sliding rod moves, it will pull the fifth adjusting rod, and the fifth adjusting rod will drive the fourth adjusting rod to move, which can drive the L-shaped structural part to rotate, thereby realizing the opening and closing of the clamp claw. The anti-slip part has a certain anti-slip effect, which helps to improve the stability of tissue clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional view of the overall structure of the utility model;

[0015] Figure 2 It is an enlarged view of structure A of the utility model;

[0016] Figure 3 It is an enlarged view of structure B of the utility model;

[0017] Figure 4It is a schematic diagram of the overall structure of the utility model.

[0018] In the figure: 1, clamp body, 2, clamp claw, 3, slide rod, 4, first spring, 5, first support member, 6, second support member, 7, slide seat, 8, lock tongue, 9, second spring, 10, first adjusting rod, 11, second adjusting rod, 12, third adjusting rod, 13, fourth adjusting rod, 14, fifth adjusting rod, 15, anti-slip member. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions 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.

[0020] Embodiment 1

[0021] Please refer to Figure 1-4 As shown, the utility model provides a digestive endoscope grasping forceps, including a forceps body 1, one end of the forceps body 1 is mirror-imaged with two sets of openable and closable jaws 2, the jaws 2 are connected to a sliding rod 3 through a first adjusting component, the sliding rod 3 is slidably installed in the inner cavity of the forceps body 1, one end of the sliding rod 3 penetrates the forceps body 1, and a first spring 4 is sleeved on the outside, the end of the sliding rod 3 close to the first spring 4 is connected to a first support member 5, the first support member 5 is slidably connected to a second support member 6 installed at one end of the forceps body 1, and can be locked by a locking component.

[0022] In this embodiment, by releasing the lock on the first support member 5 by the locking assembly, the first support member 5 can be allowed to slide along the second support member 6. When the first spring 4 pushes the first support member 5 away from the second support member 6, the slide bar 3 can be pulled to move, and the first adjustment assembly can be cooperated to realize the opening of the jaws 2. Conversely, the jaws 2 can be closed. Compared with the prior art, the opening and closing of the jaws 2 can be locked, and there is no need to hold the grabbing forceps all the time, which is more labor-saving and more convenient to use.

[0023] Please refer to Figure 1-4As shown, the locking assembly includes a slide 7, a locking tongue 8 and a second spring 9. The slides 7 are installed at both ends of the second support member 6. The inner cavity of the slide 7 is installed with a slidable locking tongue 8. The end of the locking tongue 8 extending to the outside of the slide 7 can be inserted into the first support member 5. The other end of the locking tongue 8 is connected to the second spring 9. The locking tongue 8 can be moved by the second adjusting assembly. The second adjusting assembly includes a first adjusting rod 10 and a second adjusting rod 11. One end of the locking tongue 8 connected to the second spring 9 is movably connected to the first adjusting rod 10. The other end of the first adjusting rod 10 is hinged to one end of the second adjusting rod 11. The second adjusting rod 11 is sleeved on the outside of the pliers body 1 and is slidably connected thereto.

[0024] In this embodiment, when grasping, the first support member 5 is pressed to make it close to the second support member 6. Since the inclined surface of the locking tongue 8 faces the second support member 6, the first support member 5 is pushed without being affected by the locking tongue 8. At this time, the first spring 4 can be compressed, and the first adjustment component is cooperated to realize the closing of the clamp jaw 2. When unlocking, the second adjustment rod 11 is pressed to make it slide along the clamp body 1, and the first adjustment rod 10 is cooperated to push the locking tongue 8 to slide inside the slide seat 7, and the second spring 9 is compressed, so that the locking tongue 8 can be separated from the first support member 5. At this time, the elastic force of the first spring 4 can push the first support member 5 away from the second support member 6. At this time, the clamp jaw 2 can be unlocked. By locking the clamp jaw 2, there is no need to hold the clamp tightly when using it.

[0025] Please refer to Figure 1-4 As shown, the first adjustment component includes a third adjustment rod 12, a fourth adjustment rod 13 and a fifth adjustment rod 14. The third adjustment rod 12 is installed on one end of the jaw 2 that is hinged to the jaw body 1. The third adjustment rod 12 is hinged to one end of the fourth adjustment rod 13. The other end of the fourth adjustment rod 13 is hinged to the fifth adjustment rod 14. The fifth adjustment rod 14 is connected to one end of the sliding rod 3. Anti-slip parts 15 are installed on the opposite sides of the two groups of jaws 2.

[0026] In this embodiment, the third adjusting rod 12 and one end of the clamp jaw 2 form a structure with an L-shaped cross-section. When the sliding rod 3 moves, it will pull the fifth adjusting rod 14, and the fifth adjusting rod 14 will drive the fourth adjusting rod 13 to move, thereby driving the L-shaped structural part to rotate, thereby realizing the opening and closing of the clamp jaw 2. The anti-slip part 15 has a certain anti-slip effect, which helps to improve the stability of tissue clamping.

[0027] Working principle: First, the third adjusting rod 12 and one end of the jaw 2 form a structure with an L-shaped cross-section. When the sliding rod 3 moves, the fifth adjusting rod 14 will be pulled, and the fifth adjusting rod 14 will drive the fourth adjusting rod 13 to move, which can drive the L-shaped structure to rotate, so as to realize the opening and closing of the jaw 2. When grasping, the first support member 5 is pressed to make it close to the second support member 6. Since the inclined surface of the locking tongue 8 faces the second support member 6, the first support member 5 is pushed and will not be affected by the locking tongue 8. At this time, the first spring 4 can be compressed, and the first adjusting component can be cooperated to realize the closing of the jaw 2. When unlocking, by pressing the second adjusting rod 11 to make it slide along the jaw body 1, the first adjusting rod 10 is cooperated to push the locking tongue 8 to slide inside the slide seat 7, and the second spring 9 is compressed, so that the locking tongue 8 can be separated from the first support member 5. At this time, the elastic force of the first spring 4 can push the first support member 5 away from the second support member 6. At this time, the jaw 2 can be unlocked. By locking the jaw 2, there is no need to hold the pliers tightly when using it.

[0028] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A digestive endoscope grasping forceps, comprising a forceps body (1), characterized in that: Two sets of openable and closable jaws (2) are mirror-imaged at one end of the pliers body (1); the jaws (2) are connected to a slide bar (3) via a first adjustment component; the slide bar (3) is slidably mounted in the inner cavity of the pliers body (1); one end of the slide bar (3) penetrates the pliers body (1) and is sleeved with a first spring (4); one end of the slide bar (3) close to the first spring (4) is connected to a first support member (5); the first support member (5) is slidably connected to a second support member (6) mounted at one end of the pliers body (1) and can be locked via a locking component.

2. A digestive endoscope grasping forceps according to claim 1, characterized in that: The locking assembly comprises a sliding seat (7), a locking tongue (8) and a second spring (9); the sliding seats (7) are installed at both ends of the second support member (6); a slidable locking tongue (8) is installed in the inner cavity of the sliding seat (7); one end of the locking tongue (8) extending to the outside of the sliding seat (7) can be inserted into the first support member (5); the other end of the locking tongue (8) is connected to the second spring (9); and the locking tongue (8) can be moved by a second adjustment assembly.

3. A digestive endoscope grasping forceps according to claim 2, characterized in that: The second adjustment assembly comprises a first adjustment rod (10) and a second adjustment rod (11); one end of the locking tongue (8) connected to the second spring (9) is movably connected to the first adjustment rod (10); the other end of the first adjustment rod (10) is hinged to one end of the second adjustment rod (11); the second adjustment rod (11) is sleeved on the outside of the pliers body (1) and is slidably connected thereto.

4. A digestive endoscope grasping forceps according to claim 1, characterized in that: The first adjustment assembly comprises a third adjustment rod (12), a fourth adjustment rod (13) and a fifth adjustment rod (14); the third adjustment rod (12) is installed at one end of the clamp jaw (2) hinged to the clamp body (1); the third adjustment rod (12) is hinged to one end of the fourth adjustment rod (13); the other end of the fourth adjustment rod (13) is hinged to the fifth adjustment rod (14); and the fifth adjustment rod (14) is connected to one end of the sliding rod (3).

5. A digestive endoscope grasping forceps according to claim 4, characterized in that: Anti-slip parts (15) are installed on opposite sides of the two groups of clamp claws (2).

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