Multifunctional pneumoperitoneum needle with limiting protection function

Abstract

The utility model belongs to the technical field of pneumoperitoneum needles, and provides a multifunctional pneumoperitoneum needle with a limiting protection function. The puncturing mechanism is fixedly arranged at the bottom of the main body frame; the limiting mechanism is fixedly arranged on the puncture mechanism and used for limiting the use depth of the puncture mechanism; the adjusting mechanism is arranged in the main body frame; the control mechanism is fixedly arranged at the top of the main body frame; the pneumoperitoneum needle is fixedly arranged at the bottom of the main body frame, and the endoscope crochet hook is slidably connected into the pneumoperitoneum needle, so that the pneumoperitoneum needle can be matched with the endoscope crochet hook to be used for closing pneumoperitoneum and can also be used for an endoscope lower crochet hook, and meanwhile, the limiting protection plate is arranged on the outer wall of the pneumoperitoneum needle; the limiting protection plate can be stably fixed to the outer wall of the pneumoperitoneum needle for limiting use, the puncture depth of the pneumoperitoneum needle and the endoscope hook needle can be conveniently adjusted, the situation that the pneumoperitoneum needle and the endoscope hook needle puncture too deep and hurt internal organs is prevented, and the fixing effect can be achieved when the abdominal cavity is inflated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of gas trocar, concretely a kind of multifunctional gas trocar with limit protection function. BACKGROUND

[0002] Gas trocar is a kind of clinical medical equipment for abdominal puncture, also be called as gas trocar under laparoscope;It is mainly composed of gas trocar outer sheath, gas trocar inner core, gas switch and other components, wherein the diameter of gas trocar outer sheath is generally 2mm, length has 80mm, 120mm, 150mm and different specifications;The design of this needle structure makes gas trocar play an important role in abdominal operation;

[0003] However, the gas trocar used in the prior art lacks the function of limiting and protecting the gas trocar, and it is difficult to reasonably adjust the puncture depth according to the thickness of the patient's membrane, and there is no structure for limiting and fixing the gas trocar when the gas trocar is used to inflate the abdominal cavity, so that the gas trocar has certain inconvenience in actual use.

[0004] Therefore, the skilled in the art proposes a multifunctional gas trocar with limit protection function to solve the problems in the background art. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the above technical problems, the utility model provides a multifunctional gas trocar with limit protection function to solve the inconvenience of clinical use of gas trocar in the prior art.

[0006] A multifunctional gas trocar with limit protection function, comprising: a main body frame;Puncture mechanism, fixedly arranged at the bottom of the main body frame;Limiting mechanism, fixedly arranged on the puncture mechanism, for limiting the use depth of the puncture mechanism;Adjusting mechanism, arranged in the main body frame;Control mechanism, fixedly arranged at the top of the main body frame.

[0007] Preferably, the puncture mechanism comprises a gas trocar fixedly arranged at the bottom of the main body frame, and a laparoscope hook needle is slidably arranged in the gas trocar;A sealing sleeve is fixedly arranged at the top of the inner wall of the gas trocar.

[0008] Preferably, the limiting mechanism comprises a limiting guard plate slidably arranged on the gas trocar, a threaded tube is fixedly arranged on the limiting guard plate;The limiting guard plate is rotatably provided with a threaded sleeve through the threaded tube, a plurality of elastic blocks are fixedly arranged on the side wall of the threaded tube, and the side section of the elastic block is a right trapezoid.

[0009] Preferably, the adjusting mechanism comprises a connecting sliding groove penetrating through the inside of the main body frame, the main body frame is slidably provided with an adjusting handle through the connecting sliding groove, and a return spring is fixedly arranged between the top of the adjusting handle and the top of the inner wall of the connecting sliding groove.

[0010] Preferably, the control mechanism comprises a pneumoperitoneum connecting pipe fixedly arranged at the top of the main frame, a pneumoperitoneum needle switch is arranged on the sidewall of the pneumoperitoneum connecting pipe in a screwing mode; a connecting air pipe is fixedly arranged between the bottom of the pneumoperitoneum connecting pipe and the sidewall of the pneumoperitoneum needle, and the connecting air pipe is located inside the main frame.

[0011] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0012] The utility model discloses a pneumoperitoneum needle is fixedly arranged at the bottom of the main frame, and the endoscope hook needle is slidably connected in the pneumoperitoneum needle, so that the pneumoperitoneum needle cooperates with the endoscope hook needle and can be used for closing pneumoperitoneum and can be used for the endoscope hook needle under the hook, and the setting can be through the adjusting handle convenient to lift and use the endoscope hook needle, and the limiting baffle is arranged on the outer wall of the pneumoperitoneum needle, and the limiting baffle can be fixedly connected through the threaded sleeve, so that the limiting baffle can be stably fixed on the outer wall of the pneumoperitoneum needle and be limited to use, so that the limiting baffle is conveniently adjusted in height and then is fixedly used, so as to conveniently adjust the puncture depth of the pneumoperitoneum needle and the endoscope hook needle, prevent the pneumoperitoneum needle and the endoscope hook needle from puncturing too deeply and hurting internal organs, and also can play a fixing role when the abdominal cavity is inflated. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structure diagram of the multifunctional pneumoperitoneum needle of the utility model;

[0014] Figure 2 It is the main frame connecting structure diagram of the utility model;

[0015] Figure 3 It is the main frame cross section structure diagram of the utility model;

[0016] Figure 4 It is the adjusting handle connecting structure diagram of the utility model;

[0017] Figure 5 It is the endoscope hook needle connecting structure diagram of the utility model.

[0018] In the drawing:

[0019] 1, pneumoperitoneum connecting pipe;2, pneumoperitoneum needle switch;3, main frame;4, connecting sliding groove;5, adjusting handle;6, pneumoperitoneum needle;7, limiting baffle;8, threaded sleeve;9, endoscope hook needle;10, return spring;11, connecting air pipe;12, sealing sleeve;13, threaded pipe;14, elastic pressing block. DETAILED DESCRIPTION

[0020] The embodiment of the utility model is further described in detail below in combination with the drawings and examples.The following examples are used to illustrate the utility model, but can not be used to limit the scope of the utility model.

[0021] Embodiment one:

[0022] As shown in the accompanying Figure 1 to the accompanying Figure 5 :

[0023] The utility model provides a multifunctional pneumoperitoneum needle with limiting protection function, include: main part frame 3, puncture mechanism, fixed setting in main part frame 3 bottom, limiting mechanism, fixed setting on puncture mechanism, for limiting puncture mechanism use depth, adjusting mechanism, set up in main part frame 3 inside, control mechanism, fixed setting in main part frame 3 top.

[0024] Reference Figure 1 And Figure 4 , puncture mechanism includes pneumoperitoneum needle 6, endoscope hook needle 9 and sealing sleeve 12;

[0025] Through fixedly connected with pneumoperitoneum needle 6 in main part frame 3 bottom, make before or during the operation in the abdomen, pneumoperitoneum needle 6 is injected into carbon dioxide gas in the abdominal cavity, to expand the operation area, provide better vision and operating space, and the inside sliding connection of pneumoperitoneum needle 6 has endoscope hook needle 9, make pneumoperitoneum needle 6 cooperate endoscope hook needle 9 can be used for closing pneumoperitoneum, can also be used for endoscopic hook needle under the hook;

[0026] Meanwhile, fixedly connected with sealing sleeve 12 at the inner wall of pneumoperitoneum needle 6 at the top side position, make endoscope hook needle 9 when slidingly connected in the inside of pneumoperitoneum needle 6, at the top side of pneumoperitoneum needle 6, sealing sleeve 12 is sealed to pneumoperitoneum needle 6 and endoscope hook needle 9 sliding connection place, to prevent pneumoperitoneum needle 6 from pneumoperitoneum needle 6 and endoscope hook needle 9 sliding connection place gas leakage phenomenon when using.

[0027] Reference Figure 1 And Figure 5 , limiting mechanism includes limiting apron 7, threaded tube 13, threaded sleeve 8 and elastic pressing piece 14;

[0028] Through the sliding connection of limiting apron 7 on the outer wall of pneumoperitoneum needle 6, make limiting apron 7 can be on the outer wall of pneumoperitoneum needle 6, according to the actual demand of operation, adjust the use height of limiting apron 7, to reach the purpose of limiting pneumoperitoneum needle 6 and endoscope hook needle 9 use depth by adjusting limiting apron 7, so that the puncture depth of pneumoperitoneum needle 6 and endoscope hook needle 9 can be adjusted, prevent pneumoperitoneum needle 6 and endoscope hook needle 9 from puncturing too deep and hurting internal organs, also can play the role of fixing when filling the abdominal cavity with gas;

[0029] Meanwhile, the limiting guard plate 7 is fixedly connected with a threaded pipe 13, so that the limiting guard plate 7 is conveniently sleeved on the outer wall of the gas trocar needle 6 through the threaded pipe 13, a threaded sleeve 8 is screwed on the outer wall of the limiting guard plate 7, a plurality of elastic pressing blocks 14 in the shape of a right trapezoid in cross section are integrally formed on the side wall of the threaded pipe 13, so that, after the limiting guard plate 7 is adjusted to a suitable height on the outer wall of the gas trocar needle 6 through the threaded pipe 13, the threaded sleeve 8 is screwed on the outer wall of the threaded pipe 13, the plurality of elastic pressing blocks 14 are pressed, and the limiting guard plate 7 can be stably fixed on the outer wall of the gas trocar needle 6 for limiting use, so that the limiting guard plate 7 can be conveniently adjusted in height and then fixed for use.

[0030] Embodiment two:

[0031] With reference to Figure 2 and Figure 3 , the adjusting mechanism comprises the connecting sliding groove 4, the adjusting handle 5 and the reset spring 10;

[0032] The connecting sliding groove 4 is formed on the main body frame 3, the adjusting handle 5 is slidably connected in the connecting sliding groove 4, and the adjusting handle 5 is fixedly connected to the top of the endoscope hook needle 9, so that the adjusting handle 5 can pull the endoscope hook needle 9 to slide and adjust, and the reset spring 10 is fixedly connected between the top of the adjusting handle 5 and the inner wall top side of the connecting sliding groove 4, so that, in the normal use state of the device, the reset spring 10 elastically presses the adjusting handle 5 downward, and the endoscope hook needle 9 is in an extended state, when the gas trocar needle 6 needs to be used, the adjusting handle 5 can be pulled upward, so that the endoscope hook needle 9 is retracted into the gas trocar needle 6, and the gas trocar needle 6 can be used.

[0033] With reference to Figure 1 and Figure 2 , the control mechanism comprises the gas trocar connecting pipe 1, the gas trocar needle switch 2 and the connecting air pipe 11;

[0034] The gas trocar connecting pipe 1 is fixedly connected to the top of the main body frame 3, so that the main body frame 3 can be connected to the gas trocar through the gas trocar connecting pipe 1 for use, and the gas trocar needle switch 2 is screwed on the side wall of the gas trocar connecting pipe 1, so that the gas trocar needle switch 2 can be used as a control switch of the gas trocar needle 6, to control whether the gas trocar needle 6 is opened or closed for ventilation, in cooperation with the gas trocar connecting pipe 1;

[0035] Meanwhile, the connecting air pipe 11 is fixedly connected between the bottom of the gas trocar connecting pipe 1 and the side wall of the gas trocar needle 6 in the main body frame 3, so that, when the gas trocar connecting pipe 1 is connected to the gas trocar for ventilation, the gas can be introduced into the gas trocar needle 6 through the connecting air pipe 11, and the end of the connecting air pipe 11 connected to the gas trocar needle 6 is located below the sealing sleeve 12, so the sealing sleeve 12 does not affect the ventilation between the gas trocar needle 6 and the connecting air pipe 11.

[0036] Working principle: by fixedly connecting the gas abdominal needle 6 at the bottom of the main frame 3, carbon dioxide gas can be injected into the abdominal cavity through the gas abdominal needle 6 before or during the abdominal surgery, so as to expand the operation area, provide a better view and operation space, and the endoscope hook needle 9 is slidably connected in the gas abdominal needle 6, so that the gas abdominal needle 6 cooperates with the endoscope hook needle 9 to be used for closing the gas abdominal cavity and the endoscope hook needle under the endoscope, and the threaded pipe 13 is fixedly connected on the limiting guard plate 7, so that the limiting guard plate 7 is conveniently sleeved on the outer wall of the gas abdominal needle 6 through the threaded pipe 13, and the threaded sleeve 8 is screwed on the outer wall of the threaded pipe 13, and a plurality of elastic pressing blocks 14 in the shape of a right trapezoidal section are integrally formed on the side wall of the threaded pipe 13, so that after the limiting guard plate 7 is adjusted to the desired height on the outer wall of the gas abdominal needle 6 through the threaded pipe 13, the threaded sleeve 8 is screwed on the outer wall of the threaded pipe 13, and the plurality of elastic pressing blocks 14 are extruded, so that the limiting guard plate 7 can be stably fixed on the outer wall of the gas abdominal needle 6 for limiting use, so that the limiting guard plate 7 can be conveniently adjusted in height and then fixedly used, and the connecting sliding groove 4 is formed on the main frame 3, the adjusting handle 5 is slidably connected in the connecting sliding groove 4, and the adjusting handle 5 is fixedly connected to the top of the endoscope hook needle 9, so that the adjusting handle 5 can pull the endoscope hook needle 9 to slide and adjust, and the reset spring 10 is fixedly connected between the top of the adjusting handle 5 and the inner wall top side of the connecting sliding groove 4, so that in the normal use state of the whole device, the reset spring 10 elastically extrudes the adjusting handle 5, so that the endoscope hook needle 9 is in the extended state, and when the gas abdominal needle 6 is needed, the adjusting handle 5 can be pulled upward, so that the endoscope hook needle 9 is retracted into the gas abdominal needle 6, so that the gas abdominal needle 6 can be used.

[0037] The embodiments of the present application are given for the purpose of example and description, although the embodiments of the present application have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the present application.

[0038] Finally, it should be pointed out that: first of all, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0039] Secondly: the utility model discloses the embodiment in the drawing, only relate to the structure with the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0040] Finally: the above only for the preferred embodiment of the utility model has, and is not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

[0041] The above are the preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the scope of protection of the present application.

Claims

1. A multifunctional Verres needle with a limit protection function, characterized in that, Include: The main frame (3); Puncture mechanism, fixedly arranged at the bottom of the main frame (3); Limiting mechanism, fixedly arranged on the puncture mechanism, for limiting the use depth of the puncture mechanism, the limiting mechanism comprising a limiting guard plate (7) slidably arranged on the gas abdominal needle (6), the limiting guard plate (7) being fixedly provided with a threaded tube (13); the limiting guard plate (7) is provided with a threaded sleeve (8) by screwing the threaded tube (13), the side wall of the threaded tube (13) is fixedly provided with a plurality of elastic pressing blocks (14), and the elastic pressing blocks (14) are straight-angled trapezoidal in side section; Adjusting mechanism, arranged inside the main frame (3), the adjusting mechanism comprising a connecting sliding groove (4) penetrating the inside of the main frame (3), the main frame (3) being slidably provided with an adjusting handle (5) through the connecting sliding groove (4), the adjusting handle (5) top and the connecting sliding groove (4) inner wall top side being fixedly provided with a return spring (10); Control mechanism, fixedly arranged on the top of the main frame (3).

2. The multi-functional insufflation needle with a position-limiting protection function according to claim 1, characterized in that: The puncture mechanism comprises a gas abdominal needle (6) fixedly arranged at the bottom of the main frame (3), and a laparoscope hook needle (9) slidably arranged inside the gas abdominal needle (6); The inner wall of the gas abdominal needle (6) is fixedly provided with a sealing sleeve (12).

3. The multi-functional insufflation needle with a position-limiting protection function according to claim 1, characterized in that: The control mechanism comprises a gas abdominal connecting pipe (1) fixedly arranged on the top of the main frame (3), and the gas abdominal connecting pipe (1) is rotatably provided with a gas abdominal needle switch (2) on the side wall; The bottom of the gas abdominal connecting pipe (1) and the side wall of the gas abdominal needle (6) are fixedly provided with a connecting air pipe (11), and the connecting air pipe (11) is located inside the main frame (3).

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