Special foreign matter taking-out instrument under laparoscope

Abstract

The utility model discloses a special foreign matter taking-out instrument under a laparoscope, and relates to the technical field of medical instruments. The special foreign matter taking-out instrument under the laparoscope comprises a forceps body, a handle is movably connected to the outer wall of the forceps body, a forceps tube is arranged on the outer wall of the forceps body, a drawing wire is arranged in the forceps tube in a penetrating mode, one end of the drawing wire is fixedly connected with the handle, and a mounting plate is fixedly connected to the outer wall of one end of the drawing wire. The other end of the forceps tube is fixedly connected with a mounting rod, the outer wall of the mounting plate is rotationally connected with a first connecting rod and a second connecting rod, the inner wall of the mounting rod is rotationally connected with an upper forceps head and a lower forceps head, one end of the upper forceps head and one end of the lower forceps head are arranged in a crossed mode, and a rotating shaft is arranged on the inner wall of the upper forceps head and the inner wall of the lower forceps head in a penetrating mode. The front end of the forceps is composed of the forceps head and the two semi-ellipsoidal collecting shells, the collecting shells form a closed space after being closed, and foreign bodies such as calculi falling into the abdominal cavity can be contained in the closed space and completely taken out.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially relates to a special foreign matter taking out instrument under laparoscope. BACKGROUND

[0002] Laparoscope and robot surgery have been minimally invasive surgical techniques means widely used in surgery, and have brought good treatment effect to the majority of patients. In laparoscopic surgery, for example, laparoscopic appendectomy and cholecystectomy. The appendix or gallbladder gangrene is combined with the stone left in the abdominal cavity. The left stone may cause abdominal infection, abdominal adhesion and other complications. The foreign matter such as stone in the abdominal cavity is different in texture, and part of the texture is crisp and easy to break.

[0003] The current commonly used taking out method mainly has the following kinds: 1. clamp: the advantage is direct and fast, and the shortcoming is easy to break, easy to remain and pollute; 2, taking out bag taking out: the advantage is taking out completely, and the shortcoming is relatively complex operation, sometimes the abdominal wall puncture device can be taken out; 3, crushing and aspirator suction: the advantage is that complex situations can be coped with, and the shortcoming is remaining and pollution. In view of the above problems, we design a new laparoscopic surgical instrument. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a special foreign matter taking out instrument under laparoscope, which solves the technical problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a special foreign matter taking out instrument under laparoscope, including the body of forceps, the outer wall of the body of forceps is movably connected with handle, the outer wall of the body of forceps is provided with the forceps tube, the forceps tube is provided with the pull wire, one end of the pull wire is fixedly connected with handle, the outer wall of one end of the pull wire is fixedly connected with the mounting plate, the other end of the forceps tube is fixedly connected with the mounting rod, the outer wall of the mounting plate is rotatably connected with link one and link two, the inner wall of the mounting rod is rotatably connected with upper tongs and lower tongs, one end of upper tongs and lower tongs is crossly arranged, the inner wall of upper tongs and lower tongs is provided with the pivot, the outer wall of the pivot is rotatably connected with the inner wall of the mounting rod, the cross of upper tongs and lower tongs and the outer wall of the pivot are rotatably connected, one end of link one is rotatably connected with the outer wall of lower tongs, the end, away from the pull wire, of link two is rotatably connected with the outer wall of upper tongs.

[0006] The outer wall of the top of upper tongs and the outer wall of the bottom of lower tongs are fixedly connected with the collection shell, the outer wall of upper tongs and lower tongs is provided with the drop opening, the drop opening is used for the stone to drop down in the appendectomy.

[0007] Preferably, one end of the mounting rod is provided with a thread, and the outer wall of the mounting rod is threadedly connected with the inner wall of the forceps tube.

[0008] Preferably, upper and lower outer walls of the mounting rod are provided with upper and lower through movable grooves, and the movable grooves provide movable spaces for rotation of the connecting rod one and the connecting rod two, the upper jaw and the lower jaw.

[0009] Preferably, the two upper and lower collecting shells are semicircular in shape, and the collecting shells are hollow structures.

[0010] Preferably, the drop opening is arranged above the collecting shell, and the length of the drop opening is less than the length of the collecting shell.

[0011] Compared with the related art, the special foreign body taking-out instrument under a laparoscope has the following beneficial effects:

[0012] 1. The special foreign body taking-out instrument under a laparoscope is provided, the front end is composed of a jaw and two semispherical collecting shells, the collecting shells form a sealed space after being closed, and stones and other foreign bodies falling in the abdominal cavity can be loaded therein and taken out completely.

[0013] 2. During the operation process, the instrument can quickly and accurately load the foreign bodies completely and take them out smoothly, greatly improving the efficiency and safety of the operation.

[0014] 3. Since the foreign bodies are completely encapsulated in the instrument, the risk of pollution and residue is effectively avoided, and a powerful guarantee is provided for the recovery of the patient after the operation.

[0015] 4. The front end is semispherical in design with a length of 2.5 cm and a width of 1 cm, so it can be smoothly taken out in a commonly used 12mm abdominal wall puncture device, and the abdominal wall puncture device does not need to be repeatedly taken out and placed, thereby saving operation time.

[0016] 5. The application range of the patent is wide, and it can also be used for taking out special tissues in the abdominal cavity, such as lymph nodes and small biopsy tissues. DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the mounting rod of the utility model;

[0019] Figure 3 It is a schematic diagram of the side view structure of the mounting rod of the utility model;

[0020] Figure 4 It is a schematic diagram of part of the structure of the utility model.

[0021] In the figure: 1, the body of forceps; 2, handle; 3, forceps tube; 4, pull wire; 5, mounting plate; 6, mounting rod; 7, movable slot; 8, connecting rod one; 9, connecting rod two; 10, upper forceps head; 11, lower forceps head; 12, rotating shaft; 13, collection shell; 14, falling opening. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a special foreign body extractor under laparoscope, including the body of forceps 1, handle 2 is movably connected to the outer wall of the body of forceps 1, the outer wall of the body of forceps 1 is provided with forceps tube 3, pull wire 4 is inserted in forceps tube 3, one end of pull wire 4 is fixedly connected with handle 2, the outer wall of one end of pull wire 4 is fixedly connected with mounting plate 5, the other end of forceps tube 3 is fixedly connected with mounting rod 6, the outer wall of mounting plate 5 is rotatably connected with connecting rod one 8 and connecting rod two 9, the inner wall of mounting rod 6 is rotatably connected with upper forceps head 10 and lower forceps head 11, one end of upper forceps head 10 and lower forceps head 11 is cross setting, the inner wall of upper forceps head 10 and lower forceps head 11 is inserted with rotating shaft 12, the outer wall of rotating shaft 12 is rotatably connected with the inner wall of mounting rod 6, the cross of upper forceps head 10 and lower forceps head 11 is rotatably connected with the outer wall of rotating shaft 12, one end of connecting rod one 8 is rotatably connected with the outer wall of lower forceps head 11, the end of connecting rod two 9 away from pull wire 4 is rotatably connected with the outer wall of upper forceps head 10;

[0024] The outer wall of the top of upper forceps head 10 and the outer wall of the bottom of lower forceps head 11 are fixedly connected with collection shell 13, the outer wall of upper forceps head 10 and lower forceps head 11 is all provided with falling opening 14, falling opening 14 is used for the stone in the lithotomy to fall down.

[0025] In the embodiment, press operating handle 2 to drive the pull wire 4 fixedly connected with it, the outer wall of one end of pull wire 4 is fixed with mounting plate 5, when handle 2 is operated, pull wire 4 and mounting plate 5 on it will move along, the outer wall of mounting plate 5 is rotatably connected with connecting rod one 8 and connecting rod two 9, along with the movement of pull wire 4, mounting plate 5 is driven by connecting rod one 8 and connecting rod two 9, so that upper forceps head 10 and lower forceps head 11 are relatively opened and closed in mounting rod 6, and pathological change is removed.

[0026] The top outer wall of the upper plier head 10 and the bottom outer wall of the lower plier head 11 are fixed with collecting shells 13, and the two collecting shells 13 together form a space for collecting foreign matters, when the plier head is opened and closed and clamps the foreign matters such as stones, the foreign matters are kept inside the collecting shells 13.

[0027] The outer wall of the mounting rod 6 is threadedly connected with the inner wall of the plier tube 3.

[0028] In the embodiment, the one end of the mounting rod 6 is provided with threads and is threadedly connected with the inner wall of the plier tube 3, which makes the connection between the mounting rod 6 and the plier tube 3 stable and convenient for disassembly and cleaning.

[0029] The upper and lower outer walls of the mounting rod 6 are provided with upper and lower through movement grooves 7, and the movement grooves 7 provide movement space for the rotation of the connecting rod one 8 and the connecting rod two 9 and the upper plier head 10 and the lower plier head 11.

[0030] In the embodiment, the movement grooves 7 provide necessary movement space for the rotation of the connecting rod one 8, the connecting rod two 9 and the upper plier head 10 and the lower plier head 11.

[0031] The upper and lower collecting shells 13 are both semi-elliptical, and the inside of the collecting shell 13 is a hollow structure.

[0032] In the embodiment, the hollow structure of the collecting shell 13 is convenient for collecting and storing the fallen stones and foreign matters, and after collection, the upper and lower plier heads are closed, and the upper and lower plier heads and the collecting shell 13 form a closed space to avoid the falling of the stones and foreign matters.

[0033] The falling opening 14 is arranged above the collecting shell 13, and the length of the falling opening 14 is less than the length of the collecting shell 13.

[0034] In the embodiment, the falling opening 14 is designed above the collecting shell 13, and the length of the falling opening 14 is less than the length of the collecting shell 13, so as to ensure that the foreign matters will not accidentally fall when clamped, but can be dropped from the falling opening 14 through appropriate operation when it is necessary to release the foreign matters.

[0035] Working principle: the operating handle 2 is pressed to drive the pull wire 4 fixedly connected therewith, and one end of the pull wire 4 is fixed with a mounting plate 5, when the handle 2 is operated, the pull wire 4 and the mounting plate 5 thereon will move, the outer wall of the mounting plate 5 is rotationally connected with the connecting rod one 8 and the connecting rod two 9, with the movement of the pull wire 4, the mounting plate 5 drives the upper plier head 10 and the lower plier head 11 to relatively open and close in the mounting rod 6, and the pathology is removed.

[0036] The top outer wall of the upper plier head 10 and the bottom outer wall of the lower plier head 11 are fixed with collecting shells 13, and the two collecting shells 13 jointly form a space for collecting foreign matters, and when the plier head is opened and closed and foreign matters (such as stones) are clamped, the foreign matters are kept inside the collecting shells 13.

[0037] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A special laparoscopic foreign body extraction instrument comprising a forceps body (1), characterized in that: The outer wall of the clamp body (1) is movably connected with a handle (2), the outer wall of the clamp body (1) is provided with a clamp pipe (3), the clamp pipe (3) is provided with a pull wire (4) inserted therein, one end of the pull wire (4) is fixedly connected with the handle (2), the outer wall of one end of the pull wire (4) is fixedly connected with a mounting plate (5), the other end of the clamp pipe (3) is fixedly connected with a mounting rod (6), the outer wall of the mounting plate (5) is rotatably connected with a connecting rod one (8) and a connecting rod two (9), the inner wall of the mounting rod (6) is rotatably connected with an upper clamp head (10) and a lower clamp head (11), one end of the upper clamp head (10) and the lower clamp head (11) is crossly arranged, the inner wall of the upper clamp head (10) and the lower clamp head (11) is provided with a rotating shaft (12) inserted therein, the outer wall of the rotating shaft (12) is rotatably connected with the inner wall of the mounting rod (6), the cross part of the upper clamp head (10) and the lower clamp head (11) is rotatably connected with the outer wall of the rotating shaft (12), one end of the connecting rod one (8) is rotatably connected with the outer wall of the lower clamp head (11), the end of the connecting rod two (9) away from the pull wire (4) is rotatably connected with the outer wall of the upper clamp head (10); The top outer wall of the upper clamp head (10) and the bottom outer wall of the lower clamp head (11) are fixedly connected with a collecting shell (13), the outer wall of the upper clamp head (10) and the lower clamp head (11) is provided with a falling opening (14), the falling opening (14) is used for falling the calculus in lithotomy downward; The upper and lower collecting shells (13) are both semi-elliptical, and the collecting shell (13) is a hollow structure; The falling opening (14) is arranged above the collecting shell (13), and the length of the falling opening (14) is less than that of the collecting shell (13).

2. A special laparoscopic foreign body extraction instrument according to claim 1, characterized in that: One end of the mounting rod (6) is provided with a thread, and the outer wall of the mounting rod (6) is threadedly connected with the inner wall of the clamp pipe (3).

3. A special laparoscopic foreign body extraction instrument according to claim 1, characterized in that: Upper and lower outer walls of the mounting rod (6) are provided with upper and lower through movable grooves (7), and the movable grooves (7) provide a movable space for rotation of the connecting rod one (8) and the connecting rod two (9), the upper clamp head (10) and the lower clamp head (11).

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