Direction-adjustable endoscope biopsy forceps

Abstract

The utility model relates to the technical field of medical instruments, in particular to a pair of direction-adjustable endoscopic biopsy forceps which comprises a first fixing tube, a pulling mechanism movably connected with the lower portion of the inner lower wall of the first fixing tube in a penetrating mode, a rotating mechanism movably connected with the upper end of the first fixing tube, and a second fixing tube fixedly connected with the upper end of the rotating mechanism. Movable sliding grooves are formed in the middle of the left side and the right side of the outer surface of the second fixing pipe, and the inner surfaces of the two movable sliding grooves are jointly in sliding connection with an adjusting mechanism. According to the endoscopic biopsy forceps capable of adjusting the direction, the rotating mechanism is arranged between the first fixing tube and the second fixing tube in the device, when the device is used and the use angle of the alligator nose forceps needs to be rotated, the adjusting mechanism can be directly held by a hand to rotate at the corresponding angle, and the operation is convenient. And the use angle can be changed by the alligator nose pliers, so that the angle of the device can be adjusted during use without overall rotation of the device, and the device is simpler to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to an endoscopic biopsy forceps with adjustable direction. Background Art

[0002] Biopsy forceps are an irreplaceable tool for obtaining pathological specimens during endoscopic examination. There are many styles of biopsy forceps on the market.

[0003] However, during use, the tip of most biopsy forceps cannot be rotated independently. When the tip needs to be rotated to better perform tissue biopsy, the entire forceps often needs to be rotated, which is inefficient in actual use and increases the operation time. Therefore, we have introduced a new endoscopic biopsy forceps with adjustable direction. Utility Model Content

[0004] The main purpose of the utility model is to provide an endoscopic biopsy forceps with adjustable direction, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An endoscopic biopsy forceps with adjustable direction comprises a first fixed tube, a pulling mechanism is inserted and movably connected to the lower part of the lower wall of the first fixed tube, a rotating mechanism is movably connected to the upper end of the first fixed tube, a second fixed tube is fixedly connected to the upper end of the rotating mechanism, movable sliding grooves are provided in the middle of the left side and the middle of the right side of the outer surface of the second fixed tube, an adjustment mechanism is slidably connected to the inner surfaces of the two movable sliding grooves, a flexible tube is fixedly connected to the upper end of the second fixed tube, a hard head tube is fixedly connected to the upper end of the flexible tube, and an alligator clamp is movably connected to the inner surface of the hard head tube.

[0007] Preferably, the adjustment mechanism comprises two adjustment blocks, the inner surfaces of the two adjustment blocks are fixedly connected with second limit sliders, and the upper ends of the two second limit sliders are fixedly connected with second connecting ropes.

[0008] Preferably, a fixing block is fixedly connected to the upper left portion of the inner surface of the flexible tube and the upper right portion of the inner surface of the flexible tube.

[0009] Preferably, the two adjustment blocks are both located outside the second fixed tube, the two second limit sliding blocks are respectively slidably connected to the two movable sliding grooves, and the two second connecting ropes are respectively fixedly connected to the lower ends of the two fixed blocks.

[0010] Preferably, the rotating mechanism comprises a fixed bobbin, a limited movable ring is fixedly connected to the lower portion of the outer surface of the fixed bobbin, and a limited movable groove is provided on the upper portion of the inner surface of the first fixed tube.

[0011] Preferably, the fixed tube is located on the upper side of the first fixed tube and is movably connected to the first fixed tube, and the upper end of the fixed tube is fixedly connected to the lower end of the second fixed tube, and the limiting movable ring is located inside the limiting movable groove and is slidably connected to the limiting movable groove.

[0012] Preferably, the pulling mechanism includes a pull ring, a fixed rod is fixedly connected to the upper part of the outer surface of the pull ring, three first limiting sliding blocks are fixedly connected to the outer surface of the fixed rod, a first connecting rope is fixedly connected to the middle part of the upper end of the fixed rod, and three limiting sliding grooves are opened at the lower part of the inner surface of the first fixed tube.

[0013] Preferably, the three first limit sliders are distributed in an equidistant circular array and do not contact each other, the fixing rod is movably connected to the first fixing tube through insertion, the three first limit sliders respectively correspond to the positions of three limit slide grooves and are connected to each other through insertion, and the first connecting rope is fixedly connected to the crocodile jaws.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. In the utility model, fixed blocks are fixedly connected to the left and right upper inner surfaces of the flexible tube in the device, and an adjustment mechanism is provided in the device. At the same time, the adjustment mechanism is provided with two separately controllable adjustment blocks, and the upper parts of the two adjustment blocks are connected to the fixed blocks in the flexible tube through the second connecting rope. When the device is used, the corresponding adjustment block can be pulled according to the demand to change the angle of the flexible tube through the pulling of the second connecting rope, so that the device is more convenient to use;

[0016] 2. In the utility model, a rotating mechanism is provided between the first fixed tube and the second fixed tube in the device. When the device is used, when the use angle of the crocodile jaw pliers needs to be rotated, the adjustment mechanism can be directly held to rotate the corresponding angle, and the use angle of the crocodile jaw pliers can be changed, so that the angle of the device can be adjusted during use without rotating the device as a whole, making the device easier to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of an endoscopic biopsy forceps with adjustable direction according to the utility model;

[0018] Figure 2 This is a schematic diagram of the overall structure of a pulling mechanism of an endoscopic biopsy forceps with adjustable direction according to the utility model;

[0019] Figure 3 This is a schematic diagram of the overall structure of an adjustment mechanism of an endoscopic biopsy forceps with adjustable direction according to the utility model;

[0020] Figure 4It is a schematic cross-sectional view of the upper structure of a flexible tube of an endoscopic biopsy forceps with adjustable direction according to the utility model;

[0021] Figure 5 The utility model is a schematic diagram of the overall structure of a rotating mechanism of an endoscopic biopsy forceps with adjustable direction.

[0022] In the figure: 1. first fixed tube; 2. pulling mechanism; 3. rotating mechanism; 4. second fixed tube; 5. movable slide; 6. adjusting mechanism; 7. flexible tube; 8. hard head tube; 9. alligator pliers; 21. pull ring; 22. fixed rod; 23. first limit slider; 24. first connecting rope; 25. limit slide; 61. adjusting block; 62. second limit slider; 63. second connecting rope; 71. fixed block; 31. fixed bobbin; 32. limit movable ring; 33. limit movable groove. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1-5 , the utility model provides a technical solution:

[0027] An endoscopic biopsy forceps with adjustable direction comprises a first fixed tube 1, a pulling mechanism 2 is inserted and movably connected to the lower part of the inner lower wall of the first fixed tube 1, a rotating mechanism 3 is movably connected to the upper end of the first fixed tube 1, a second fixed tube 4 is fixedly connected to the upper end of the rotating mechanism 3, movable slide grooves 5 are provided in the middle of the left side and the middle of the right side of the outer surface of the second fixed tube 4, an adjustment mechanism 6 is slidably connected to the inner surfaces of the two movable slide grooves 5, a flexible tube 7 is fixedly connected to the upper end of the second fixed tube 4, a hard head tube 8 is fixedly connected to the upper end of the flexible tube 7, and an alligator clamp 9 is movably connected to the inner surface of the hard head tube 8.

[0028] In this embodiment, the adjusting mechanism 6 includes two adjusting blocks 61, the inner surfaces of the two adjusting blocks 61 are fixedly connected with second limit sliders 62, the upper ends of the two second limit sliders 62 are fixedly connected with second connecting ropes 63, the upper left part and the upper right part of the inner surface of the flexible tube 7 are fixedly connected with fixed blocks 71, the two adjusting blocks 61 are both located outside the second fixed tube 4, the two second limit sliders 62 are slidably connected with the two movable slide grooves 5 respectively, and the two second connecting ropes 63 are fixedly connected with the lower ends of the two fixed blocks 71 respectively. By fixing the fixed blocks 71 on the upper left side and the upper right side of the inner surface of the flexible tube 7 in the device, and providing the adjusting mechanism 6 in the device, when the device is used, the corresponding adjusting block 61 can be pulled according to needs to change the angle of the flexible tube 7 through the pulling of the second connecting rope 63, so that the device is more convenient to use.

[0029] In this embodiment, the rotating mechanism 3 includes a fixed bobbin 31, a limited movable ring 32 is fixedly connected to the lower part of the outer surface of the fixed bobbin 31, a limited movable groove 33 is provided on the upper part of the inner surface of the first fixed tube 1, the fixed bobbin 31 is located on the upper side of the first fixed tube 1 and is movably connected to the first fixed tube 1, and the upper end of the fixed bobbin 31 is fixedly connected to the lower end of the second fixed tube 4, the limited movable ring 32 is located inside the limited movable groove 33 and is slidably connected to the limited movable groove 33, and the pulling mechanism 2 includes a pull ring 21, a fixed rod 22 is fixedly connected to the upper part of the outer surface of the pull ring 21, and three first limit sliders 2 are fixedly connected to the outer surface of the fixed rod 22 3. A first connecting rope 24 is fixedly connected to the middle of the upper end of the fixing rod 22, three limiting slide grooves 25 are opened at the lower part of the inner surface of the first fixing tube 1, and three first limiting sliders 23 are distributed in an equidistant circular array and do not contact each other. The fixing rod 22 is movably connected with the first fixing tube 1 through insertion, and the three first limiting sliders 23 correspond to the positions of the three limiting slide grooves 25 respectively and are connected through insertion with each other. The first connecting rope 24 is fixedly connected with the crocodile jaws 9. By providing a rotating mechanism 3 in the device, when the device is used, when the use angle of the crocodile jaws 9 needs to be rotated, it can be rotated through the rotating mechanism 3, so that the device is easier to operate.

[0030] It should be noted that the utility model is an endoscopic biopsy forceps with adjustable direction, in which a fixed block 71 is fixedly connected to the left upper side and the right upper side of the inner surface of the flexible tube 7 in the device, and an adjusting mechanism 6 is provided in the device. At the same time, two separately controllable adjusting blocks 61 are provided in the adjusting mechanism 6, and the upper parts of the two adjusting blocks 61 are connected to the fixed block 71 in the flexible tube 7 by a second connecting rope 63. When the device is in use, the angle of the flexible tube 7 can be changed by pulling the corresponding adjusting block 61 as needed through the pulling of the second connecting rope 63, so that the device is more convenient to use. In addition, a rotating mechanism 3 is jointly provided between the first fixed tube 1 and the second fixed tube 4 in the device. When the device is in use, when it is necessary to rotate the use angle of the crocodile jaw forceps 9, the adjusting mechanism 6 can be directly held to rotate the corresponding angle, and the crocodile jaw forceps 9 can change the use angle, so that the angle of the device can be adjusted during use without rotating the device as a whole, making the device easier to operate.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An endoscopic biopsy forceps with adjustable direction, comprising a first fixing tube (1), characterized in that: A pulling mechanism (2) is inserted and movably connected to the lower part of the inner lower wall of the first fixed tube (1); a rotating mechanism (3) is movably connected to the upper end of the first fixed tube (1); a second fixed tube (4) is fixedly connected to the upper end of the rotating mechanism (3); a movable slide groove (5) is provided in the middle of the left side and the middle of the right side of the outer surface of the second fixed tube (4); an adjustment mechanism (6) is slidably connected to the inner surfaces of the two movable slide grooves (5); a flexible tube (7) is fixedly connected to the upper end of the second fixed tube (4); a hard head tube (8) is fixedly connected to the upper end of the flexible tube (7); and an alligator jaw clamp (9) is movably connected to the inner surface of the hard head tube (8); The adjustment mechanism (6) comprises two adjustment blocks (61), the inner surfaces of the two adjustment blocks (61) are fixedly connected with second limit sliders (62), and the upper ends of the two second limit sliders (62) are fixedly connected with second connecting ropes (63); A fixing block (71) is fixedly connected to the upper left portion of the inner surface of the flexible tube (7) and the upper right portion of the inner surface of the flexible tube (7).

2. The endoscopic biopsy forceps with adjustable direction according to claim 1, characterized in that: The two adjustment blocks (61) are both located outside the second fixed tube (4), the two second limit sliders (62) are respectively slidably connected to the two movable slide grooves (5), and the two second connection ropes (63) are respectively fixedly connected to the lower ends of the two fixed blocks (71).

3. The direction-adjustable endoscopic biopsy forceps according to claim 1, characterized in that: The rotating mechanism (3) comprises a fixed tube (31), the lower portion of the outer surface of the fixed tube (31) is fixedly connected to a limit movable ring (32), and the upper portion of the inner surface of the first fixed tube (1) is provided with a limit movable groove (33).

4. The direction-adjustable endoscopic biopsy forceps according to claim 3, characterized in that: The fixed tube (31) is located on the upper side of the interior of the first fixed tube (1) and is movably connected to the first fixed tube (1), and the upper end of the fixed tube (31) is fixedly connected to the lower end of the second fixed tube (4), and the limiting movable ring (32) is located inside the limiting movable groove (33) and is slidably connected to the limiting movable groove (33).

5. The direction-adjustable endoscopic biopsy forceps according to claim 1, characterized in that: The pulling mechanism (2) comprises a pull ring (21), the upper portion of the outer surface of the pull ring (21) is fixedly connected to a fixing rod (22), the outer surface of the fixing rod (22) is fixedly connected to three first limiting sliding blocks (23), the middle portion of the upper end of the fixing rod (22) is fixedly connected to a first connecting rope (24), and the lower portion of the inner surface of the first fixing tube (1) is provided with three limiting sliding grooves (25).

6. The direction-adjustable endoscopic biopsy forceps according to claim 5, characterized in that: The three first limit sliders (23) are distributed in an equidistant circular array and do not contact each other. The fixing rod (22) is movably connected to the first fixing tube (1) through insertion. The three first limit sliders (23) correspond to the positions of the three limit slide grooves (25) respectively and are connected through insertion with each other. The first connecting rope (24) is fixedly connected to the crocodile jaw pliers (9).

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