Nylon TPU composite endoscope fetching device

Abstract

The utility model discloses a nylon TPU composite endoscope fetching device which comprises a sheath rod and a composite fetching bag, and the composite fetching bag is made of nylon TPU composite materials. And an annular air bag is arranged at the bottom end of the composite fetching bag. The bottom end of the object taking bag is opened by arranging the annular air bag, the bottom end and the top end of the composite object taking bag are both opened during object taking, cut objects can be conveniently put into the composite object taking bag, after the cut objects are put into the composite object taking bag, the safety pin is pulled out, the inner sliding rod is pulled to retract through the piston ring, and the bag opening of the composite object taking bag is tightened. When the top end of the exhaust hole is separated from the sheath rod, the annular air bag automatically exhausts, the size of the composite fetching bag is reduced, fetching is completed, compared with an existing medical fetching device, the double-end opening of the fetching bag can be achieved, cut objects can enter the bag more conveniently, and use is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely relates to a nylon TPU composite endoscope object taking device. BACKGROUND

[0002] With the popularity of minimally invasive surgery, disposable object taking bags are widely used in minimally invasive surgery as tissue specimen and surgical resection object taking devices. The existing object taking bag usually comprises a bag body and an operating rod; the bag body is usually made of long conical water-proof textile or high polymer material; the operating rod is usually made of an operating handle combined with metal or plastic pipe material. In the minimally invasive surgery process, the object taking bag is sent into the body through the instrument channel by the operating handle, the tissue specimen or surgical resection object is put into the specimen bag, and the bag is locked by the end pull wire of the operating handle and taken out through the instrument channel.

[0003] The top end of the object taking bag in the prior art is provided with a metal ring connected with the internal movable rod of the sheath rod to open the bag opening, but due to the existence of tissue fluid in the surgical site, the tissue fluid is easy to enter the inside of the object taking bag along the opening of the object taking bag, resulting in that the bottom of the object taking bag is adhered and closed, and it is difficult to put the resection object into the object taking bag.

[0004] Therefore, how to provide a nylon TPU composite endoscope object taking device to solve the problems existing in the prior art is of great significance to its application. UTILITY MODEL CONTENT

[0005] Therefore, the purpose of the present application is to provide a nylon TPU composite endoscope object taking device to solve the problem that the existing object taking device is difficult to put the resection object into the object taking bag due to the existence of tissue fluid in the surgical site.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A nylon TPU composite endoscope object taking device, comprising a sheath rod and a composite object taking bag, the composite object taking bag is made of nylon TPU composite material;

[0008] The bottom end of the composite object taking bag is provided with an annular air bag, the top end of the composite object taking bag is provided with a metal ring, the inside of the sheath rod is slidably connected with an internal slide rod, one end of the internal slide rod is fixedly connected with the metal ring, the other end of the internal slide rod is fixedly connected with a movable ring.

[0009] Preferably, one end of the internal slide rod close to the movable ring is internally provided with a cavity, the inside of the internal slide rod is provided with a connecting air groove, the cavity is in communication with the connecting air groove through a one-way air outlet valve, the annular air bag is in communication with the connecting air groove through an air bag connecting pipe, and the air bag connecting pipe is tightly attached to the outer wall of the composite object taking bag.

[0010] Preferably, the inner slide rod is slidingly connected with an inner piston rod at one end close to the movable finger ring, one end of the inner piston rod is located inside the cavity and fixedly connected with a piston, the other end of the inner piston rod is located inside the movable finger ring and fixedly connected with a movable half ring, and the movable half ring and the movable finger ring are elastically connected through a spring.

[0011] Preferably, a one-way air inlet valve is installed at the top end of the cavity, a connecting handle is fixedly connected with the sheath rod at one end close to the movable finger ring, the connecting handle and the inner slide rod are locked and fixed through a safety pin, and a fixed finger ring is fixedly connected with the side surface of the connecting handle.

[0012] Preferably, an exhaust hole is formed in the surface of the inner slide rod, and the exhaust hole is connected with the connecting air groove.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses a ring-shaped air bag is set up to open the bottom end of the taking-out bag, when using, the piston slides in the cavity by constantly pressing the movable half ring, the outside air enters the cavity through the one-way air inlet valve, then enters the ring-shaped air bag through the one-way air outlet valve, the connecting air groove and the air bag connecting pipe, makes the ring-shaped air bag inflation, thereby supporting the bottom end of the composite taking-out bag, when taking out, the bottom end and the top end of the composite taking-out bag are opened, the cut-off object is conveniently put into the composite taking-out bag, after putting, the safety pin is pulled out, the inner slide rod is retracted through the piston finger ring, realizes that the composite taking-out bag bag mouth is tight, and when the top end of the exhaust hole is separated from the sheath rod, the ring-shaped air bag automatically exhausts, reduces the composite taking-out bag volume, completes taking out, compared with the prior art medical taking-out device, the utility model can realize that the taking-out bag is opened at both ends, is more convenient for the cut-off object to enter the bag, and is more convenient to use.

[0015] The above description is only a summary of the technical scheme of the application, in order to more clearly understand the technical means of the application, so as to be implemented according to the content of the specification, and in order to make the above and other purposes, characteristics and advantages of the application more obvious and easy to understand, the following detailed description of the preferred embodiments of the application and the accompanying drawings are as follows.

[0016] According to the detailed description of the specific embodiments of the application in the following combined with the drawings, those skilled in the art will be more clear the above and other purposes, advantages and characteristics of the application. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative effort based on these drawings. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0018] Fig. 1 The structure schematic view of the present application is shown in the figure.

[0019] Fig. 2 The structure sectional view of the sheath rod in the present application is shown in the figure.

[0020] Fig. 3 The structure sectional view of the composite object bag in the present application is shown in the figure.

[0021] In the figure: 1, sheath rod; 2, annular air bag; 3, composite object bag; 4, metal ring; 5, air bag connecting pipe; 6, safety pin; 7, connecting handle; 8, fixed finger ring; 9, inner sliding rod; 10, movable half ring; 11, movable finger ring; 12, inner piston rod; 13, spring; 14, piston; 15, cavity; 16, one-way air outlet valve; 17, connecting air groove; 18, air vent; 19, one-way air inlet valve. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. In the following description, the specific details such as specific configurations and components are provided only to help the comprehensive understanding of the embodiments of the present application. Therefore, those skilled in the art should understand that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, in order to be clear and concise, the description of known functions and structures is omitted in the embodiments.

[0023] In addition, the reference numerals and / or letters can be repeated in different examples of the present application. Such repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and / or settings discussed.

[0024] The term "and / or", merely describes an associated relationship between associated objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases of A alone, B alone, and A and B together, and the term " / and" in this paper is to describe another relationship between associated objects, which means that there can be two relationships, for example, A / and B, which means that there are two cases of A alone and A and B together, in addition, the character " / " in this paper generally represents an "or" relationship between the associated objects before and after it.

[0025] It should also be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion.

[0026] See Figs. 1-3 The application provides a technical scheme of a nylon TPU composite endoscope object taking device: comprising a sheath rod 1 and a composite object bag 3; the composite object bag 3 is made of a nylon TPU composite material;

[0027] The bottom end of the composite object bag 3 is provided with an annular air bag 2, the top end of the composite object bag 3 is provided with a metal ring 4, the inside of the sheath rod 1 is slidably connected with an inner sliding rod 9, one end of the inner sliding rod 9 is fixedly connected with the metal ring 4, and the other end of the inner sliding rod 9 is fixedly connected with a movable finger ring 11.

[0028] The inside of the end of the inner sliding rod 9 close to the movable finger ring 11 is provided with a cavity 15, the inside of the inner sliding rod 9 is provided with a connecting air groove 17, the cavity 15 is in communication with the connecting air groove 17 through a one-way air outlet valve 16, the annular air bag 2 is in communication with the connecting air groove 17 through an air bag connecting pipe 5, and the air bag connecting pipe 5 is tightly attached to the outer wall of the composite object bag 3.

[0029] The end of the inner sliding rod 9 close to the movable finger ring 11 is slidably connected with an inner piston rod 12, one end of the inner piston rod 12 is located in the inside of the cavity 15 and is fixedly connected with a piston 14, and the other end of the inner piston rod 12 is located in the inside of the movable finger ring 11 and is fixedly connected with a movable half ring 10, and the movable half ring 10 and the movable finger ring 11 are elastically connected through a spring 13.

[0030] When the movable half ring 10 is pressed down, the movable half ring 10 drives the piston 14 through the inner piston rod 12 to move to the right side, the piston 14 pressurizes the air in the cavity 15 into the connecting air groove 17, the movable half ring 10 is released, the spring 13 drives the movable half ring 10 to reset, and the piston 14 slides to the left side, so that the external air is sucked into the cavity 15.

[0031] The top end of the cavity 15 is provided with a one-way air inlet valve 19, and the sheath rod 1 is fixedly connected with a connecting handle 7 at one end close to the movable ring 11, and the connecting handle 7 is locked and fixed with the inner slide rod 9 through a safety pin 6, and the side surface of the connecting handle 7 is fixedly connected with a fixed ring 8, and the safety pin 6 can fix the sheath rod 1 and the inner slide rod 9.

[0032] The surface of the inner slide rod 9 is provided with an exhaust hole 18, the exhaust hole 18 is connected with the connecting air groove 17, and the top end of the exhaust hole 18 is closed through the sheath rod 1; when the exhaust hole 18 is separated from the sheath rod 1, air is exhausted, and the annular air bag 2 is exhausted.

[0033] In specific use, when the movable half ring 10 is pressed down, the movable half ring 10 drives the piston 14 through the inner piston rod 12 to move to the right side, the piston 14 pressurizes the air in the cavity 15 into the connecting air groove 17, the movable half ring 10 is reset by the spring 13, and the piston 14 slides to the left side, so that the external air is sucked into the cavity 15, the external air enters into the cavity through the one-way air inlet valve 19, and then enters into the annular air bag 2 through the one-way air outlet valve 15, the connecting air groove 17 and the air bag connecting pipe 5, so that the annular air bag 2 is inflated, thereby supporting the bottom end of the composite object bag 3; when the object is taken, the bottom end and the top end of the composite object bag 3 are opened, the cut object is conveniently put into the composite object bag 3, after the cut object is put in, the safety pin 6 is pulled out, the inner slide rod 9 is retracted through the piston ring 11, the bag opening of the composite object bag 3 is tightened through the metal ring 4, and when the top end of the exhaust hole 18 is separated from the sheath rod 1, the annular air bag 2 is automatically exhausted, the volume of the composite object bag 3 is reduced, the object is taken, and compared with the existing medical object taking device, the utility model can realize the double-end opening of the object bag, the cut object is more conveniently put into the bag, and the utility model is more convenient to use.

[0034] The above only describes the preferred embodiments of the utility model, and does not limit the protection scope of the utility model, and for those skilled in the art, the utility model can be changed and varied in various ways. Any change, modification, replacement, integration and parameter change of the embodiments within the spirit and principle of the utility model, which can realize the same function without departing from the principle and spirit of the utility model, falls within the protection scope of the utility model.

Claims

1. A nylon TPU composite endoscopic retriever, characterized in that: It includes a sheath rod (1) and a composite excrement bag (3), the composite excrement bag (3) is made of nylon TPU composite material; The bottom end of the composite excrement bag (3) is provided with an annular air bag (2), the top end of the composite excrement bag (3) is provided with a metal ring (4), the inside of the sheath rod (1) is slidably connected with an inner slide rod (9), one end of the inner slide rod (9) is fixedly connected with the metal ring (4), the other end of the inner slide rod (9) is fixedly connected with a movable finger ring (11).

2. The nylon TPU composite endoscopic retriever of claim 1, wherein: The end of the inner slide rod (9) close to the movable finger ring (11) is internally provided with a cavity (15), the inner slide rod (9) is internally provided with a connecting air groove (17), the cavity (15) is in communication with the connecting air groove (17) through a one-way air outlet valve (16), the annular air bag (2) is in communication with the connecting air groove (17) through an air bag connecting pipe (5), the air bag connecting pipe (5) is close to the outer wall of the composite excrement bag (3).

3. The nylon TPU composite endoscopic retriever of claim 2, wherein: The end of the inner slide rod (9) close to the movable finger ring (11) is slidably connected with an inner piston rod (12), one end of the inner piston rod (12) is located in the cavity (15) and is fixedly connected with a piston (14), the other end of the inner piston rod (12) is located in the movable finger ring (11) and is fixedly connected with a movable half ring (10), the movable half ring (10) and the movable finger ring (11) are elastically connected through a spring (13).

4. The nylon TPU composite endoscopic retriever of claim 3, wherein: The top end of the cavity (15) is provided with a one-way air inlet valve (19), the end of the sheath rod (1) close to the movable finger ring (11) is fixedly connected with a connecting handle (7), the connecting handle (7) and the inner slide rod (9) are locked and fixed through a safety pin (6), the side of the connecting handle (7) is fixedly connected with a fixed finger ring (8).

5. The nylon TPU composite endoscopic retriever of claim 3, wherein: The surface of the inner slide rod (9) is provided with an air vent (18), the air vent (18) is connected with the connecting air groove (17).

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