CN216324069U - Smoke suction device for endoscopic surgery - Google Patents

Abstract

The utility model belongs to the technical field of medical instruments and discloses an endoscopic surgery smoking device which comprises a sealing bag, a connecting pipe and a puncture outfit, wherein a liquid medium is filled in the sealing bag, the first end of the connecting pipe penetrates through the sealing bag, the first end of the connecting pipe is arranged in the liquid medium, the puncture outfit is connected with the second end of the connecting pipe, and the puncture outfit is provided with a puncture tube communicated with the connecting pipe. According to the smoke suction device for the endoscopic surgery, the puncture tube of the puncture outfit is inserted into the body cavity in the process of the endoscopic surgery, a pressure difference is generated between the body cavity and the sealing bag, smoke in the body cavity sequentially flows through the puncture tube and the connecting tube, liquid media in the connecting tube are discharged and extruded out, and then the smoke enters the sealing bag to be collected.

Description

A smoking device for endoscopic surgery

technical field

The utility model relates to the technical field of medical devices, in particular to a smoking device for endoscopic surgery.

Background technique

With the development and maturity of minimally invasive technology, laparoscopic surgery is more and more widely used, and thoracoscopy and laparoscopic surgery are more common. Laparoscopic surgery generally requires the injection of carbon dioxide into the body cavity to make the body cavity larger and facilitate the operation. In the process of endoscopic surgery, electrosurgical tools are often used. However, when electrosurgical tools are used, surgical smoke will be generated in the body cavity, which will seriously affect the surgical field of vision. If the smoke is not eliminated in time, the surface of the endoscope will be blurred. , reduce the clarity of vision, confuse the surgical anatomical gap, and increase the difficulty of surgery.

At present, most methods of removing smoke are to use a suction device and a drainage tube to connect a negative pressure suction device to suck out the smoke in the body cavity. However, in the operating room, the number of negative pressure suction devices is limited, and negative pressure suction is required for anesthesia and surgical operations. If the negative pressure suction device is not enough, it will affect the operation process, which will cause adverse consequences such as prolonged operation time, increased intraoperative blood loss, and increased incidence of postoperative complications.

Utility model content

The purpose of the utility model is to provide a smoking device for endoscopic surgery, which can eliminate the smoke in the body cavity without using a negative pressure suction device.

For this purpose, the utility model adopts the following technical solutions:

A smoking device for endoscopic surgery, comprising:

A sealed bag containing a liquid medium;

a connecting pipe, the first end of the connecting pipe is provided with a sealing bag, and the first end of the connecting pipe is placed in the liquid medium;

The puncture device is connected with the second end of the connecting tube, and the puncturing device is provided with a puncturing tube communicated with the connecting tube.

Optionally, the sealing bag is provided with a pipe opening, and the first end of the connecting pipe is placed in the liquid medium through the pipe opening.

Optionally, a first sealing member is provided between the pipe opening and the connecting pipe, and the first sealing member is used to seal the gap between the pipe opening and the connecting pipe.

Optionally, the sealing bag is provided with a water injection port, and the sealing bag can inject liquid medium through the water injection port.

Optionally, a second sealing member is detachably provided on the water injection port, and the second sealing member is used to seal the water injection port.

Optionally, the volume of the liquid medium in the sealed bag accounts for 30-60% of the volume of the sealed bag.

Optionally, the material of the sealing bag is transparent material.

Optionally, the connecting pipe is a hose.

Optionally, the second end of the connecting pipe is provided with a pipe interface matched with the puncture, and the connecting pipe is connected to the puncture through the pipe interface.

Optionally, a flow regulator is also included, the flow regulator is arranged on the connecting pipe, and the flow regulator can adjust the flow rate of smoke in the connecting pipe.

The beneficial effects of the present utility model:

In the endoscopic surgery smoking device provided by the utility model, in the process of endoscopic surgery, the puncture tube of the puncture device is inserted into the body cavity, a pressure difference is generated between the body cavity and the sealing bag, and the smoke in the body cavity flows through the puncture tube and the connection in turn. pipe, and expel the liquid medium in the connecting pipe, so that the smoke enters the sealed bag to be collected. The smoking device for endoscopic surgery is simple in structure, does not occupy a negative pressure suction device, and is easy to implement.

Description of drawings

FIG. 1 is a schematic structural diagram of a smoking device for endoscopic surgery provided by the present invention.

In the picture:

100, sealed bag; 110, liquid medium; 120, pipe port; 130, water injection port;

200, connecting pipe; 210, pipe interface;

300, puncture device; 310, puncture tube;

400. Flow regulator.

Detailed ways

The present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all structures related to the present invention.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or a fixed connection. It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal connection between two elements or an interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this embodiment, the terms "upper", "lower", "right", etc. are based on the orientation or positional relationship shown in the accompanying drawings, which are only for convenience of description and simplified operation, rather than indicating Or imply that the referred device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for distinction in description, and have no special meaning.

Referring to FIG. 1 , this embodiment provides a smoking device for endoscopic surgery, including a sealing bag 100 , a connecting tube 200 and a puncture device 300 . The sealing bag 100 contains a liquid medium 110 , and the first end of the connecting tube 200 is pierced through a seal bag 100 , the first end of the connecting tube 200 is placed in the liquid medium 110 , the puncture device 300 is connected to the second end of the connecting tube 200 , and the puncturing tube 310 communicated with the connecting tube 200 is provided in the puncturing device 300 .

During the endoscopic surgery, the puncture tube 310 of the trocar 300 is inserted into the body cavity, a pressure difference is generated between the body cavity and the sealing bag 100, the smoke in the body cavity flows through the puncture tube 310 and the connecting tube 200 in turn, and the connecting tube is connected to the body cavity. The liquid medium 110 in the 200 is squeezed out, thereby allowing the smoke to enter the sealed bag 100 to be collected. The smoking device for endoscopic surgery is simple in structure, does not occupy a negative pressure suction device, and is easy to implement.

Further, the material of the sealing bag 100 is a transparent material. During the endoscopic surgery, doctors and nurses can easily observe the discharge of smoke in the cavity through the sealing bag 100 made of transparent material. When the bubbles formed by the gas of 100 become smaller and fewer, the pressure difference between the body cavity and the sealing bag 100 becomes smaller, and the amount of smoke in the sealing bag 100 is saturated, which can remind doctors and nurses to replace the sealing bag 100 in time. Preferably, the material of the sealing bag 100 can be a disposable plastic material, which can be replaced at one time, which can greatly reduce the problem of cross-infection. Of course, the material of the sealing bag 100 can also be other transparent materials. Let's go into detail.

Further, the connecting tube 200 is a flexible tube. During the endoscopic surgery, the connecting tube 200 and the sealing bag 100 can be placed at any position to avoid interference, hinder the doctor's operation, and affect the operation process. Preferably, the connecting tube 200 can be a disposable rubber tube, which can be replaced at one time, which can greatly reduce the problem of cross-infection. Of course, the connecting tube 200 can also be made of other materials, which will not be described in detail here. .

Further, the liquid medium 110 in the sealed bag 100 may be pure water or other liquids, which will not be described in detail here.

Further, the volume of the liquid medium 110 in the sealed bag 100 accounts for 30-60% of the volume of the sealed bag 100 . In this embodiment, the volume ratio of the liquid medium 110 in the sealed bag 100 to the volume of the sealed bag 100 can neither be too large nor too small. If the volume ratio of the liquid medium 110 in the sealed bag 100 is too large, it will affect the collection of smoke in the sealed bag 100 The volume ratio of the liquid medium 110 in the sealed bag 100 is too small, which may prevent the first end of the connecting tube 200 from being placed in the liquid medium 110, affecting the use of the endoscopic surgical smoking device. Preferably, the volume of the liquid medium 110 in the sealed bag 100 accounts for 30%, 40%, 45%, 50% or 55% of the volume of the sealed bag 100 .

In this embodiment, the sealing bag 100 is provided with a pipe opening 120 , and the first end of the connecting pipe 200 is inserted through the pipe opening 120 and placed in the liquid medium 110 to facilitate the installation of the connecting pipe 200 and the sealing bag 100 .

Further, a first sealing member (the first sealing member is not shown in the figure) is provided between the pipe opening 120 and the connecting pipe 200, and the first sealing member is used to seal the gap between the pipe opening 120 and the connecting pipe 200, so that the The sealed bag 100 forms a closed space to prevent the smoke in the sealed bag 100 from entering the air. The smoke contains inactive particles, harmful chemical components, active viruses, active cells, blood-borne pathogens and other components. After entering the respiratory tract of doctors and nurses, it will cause dizziness, headache and insomnia of doctors and nurses, resulting in occupational hazards.

Further, the sealing bag 100 and the connecting pipe 200 can also be integrated, or can be connected by other connection methods, as long as the connection between the sealing bag 100 and the connecting pipe 200 is kept sealed, and details are not repeated here.

In this embodiment, the sealing bag 100 is provided with a water injection port 130 , and the sealing bag 100 can be injected with the liquid medium 110 through the water injection port 130 , which is convenient for operation during endoscopic surgery.

Further, the water injection port 130 is detachably provided with a second sealing member (the second sealing member is not shown in the figure), and the second sealing member is used to seal the water injection port 130 to ensure the sealing of the water injection port 130, thereby ensuring the sealing of the bag 100. It is sealed to prevent the smoke in the sealed bag 100 from entering the air. Specifically, the sealing member may be connected with the water injection port 130 by means of screw connection. Further, the second sealing member is a sealing cover, the sealing cover is provided with an inner thread, and the water injection port 130 is provided with an outer thread that is matched and connected with the inner thread in the sealing cover. Further, the second sealing member may also be connected to the water injection port 130 by other connection methods, which will not be described in detail here.

In this embodiment, the second end of the connecting pipe 200 is provided with a pipe interface 210 which is matched with the puncture device 300 , and the connecting pipe 200 is connected to the puncture device 300 through the pipe interface 210 . Specifically, the connecting tube 200 and the trocar 300 are detachably connected. When encountering complicated endoscopic surgery, the operation time is too long, and the sealing bag 100 may be filled with the smoke discharged from the body cavity. Replace it below.

Further, the puncture device 300 is also provided with a flow switch (the flow switch is not shown in the figure), and the flow switch can disconnect the communication between the puncture tube 310 and the outside world. In this embodiment, before the connection tube 200 is removed, the communication between the puncture tube 310 and the outside can be disconnected by the flow switch, so as to prevent the smoke in the body cavity from being discharged into the air.

Further, the trocar 300 can be disposable, so that one-time replacement can be realized, which can greatly reduce the problem of cross infection.

In this embodiment, the endoscopic surgery smoking device further includes a flow regulator 400, the flow regulator 400 is disposed on the connecting tube 200, and the flow regulator 400 can adjust the flow rate of smoke in the connecting tube 200, and the flow regulator 400 is: The prior art will not be described in detail here. In this embodiment, the flow rate of the smoke in the body cavity discharged into the sealing bag 100 through the puncture tube 310 and the connecting tube 200 is too fast, which will reduce the space of the body cavity, affect the operation, and shorten the time for the sealing bag 100 to be filled with smoke. In endoscopic surgery, multiple sealing bags 100 may be used, causing waste; the flow rate of the smoke in the body cavity discharged into the sealing bag 100 through the puncture tube 310 and the connecting tube 200 is too slow, which will cause the surface of the endoscope to be blurred and reduce the clarity of the field of vision. Confuse the surgical anatomical gap and increase the difficulty of surgery. The flow regulator 400 is used to adjust the flow rate of the smoke in the connecting pipe 200, so that the flow rate of the smoke in the connecting pipe 200 is moderate, which ensures that the body cavity space is suitable for surgical operations, and at the same time ensures a clear view in the body cavity, and can effectively save the use of the sealing bag 100, avoid cause waste.

Exemplarily, first, the doctor or nurse injects an appropriate amount of liquid medium 110 into the sealing bag 100 through the water filling port 130 and connects the connecting tube 200 with the puncture device 300; then injects carbon dioxide into the body cavity and inserts the puncture tube 310 of the puncture device 300 into the body cavity To the body cavity, during the endoscopic surgery, the flow regulator 400 is used to adjust the flow rate of the smoke in the connecting pipe 200, so that the flow rate of the smoke in the connecting pipe 200 is moderate, so as to ensure that the space of the body cavity is suitable for the surgical operation, and at the same time, to ensure a clear view in the body cavity, When the airtight bag 100 is filled with the smoke discharged from the body cavity, the communication between the puncture tube 310 and the outside world is disconnected through the flow switch and the connection tube 200 is sealed through the flow regulator 400 to disconnect the airtight bag 100 from the outside world. The tube 200 is removed from the puncture device 300 together with the sealing bag 100 for replacement. After the replacement is completed, the puncture tube 310 and the connecting tube 200 are reconnected through the flow switch. The smoking device for endoscopic surgery is simple in structure and easy to implement.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. There is no need and cannot be exhaustive of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims (10)

1. a laparoscopic surgery smoking device, is characterized in that, comprises: a sealed bag (100) containing a liquid medium (110) in the sealed bag (100); a connecting pipe (200), the sealing bag (100) is passed through the first end of the connecting pipe (200), and the first end of the connecting pipe (200) is placed in the liquid medium (110); A puncture device (300), the puncture device (300) is connected with the second end of the connecting pipe (200), and the puncturing device (300) is provided with a puncturing tube (310) communicating with the connecting pipe (200) . 2 . The smoking device for endoscopic surgery according to claim 1 , wherein a pipe opening ( 120 ) is provided on the sealing bag ( 100 ), and the pipe is penetrated through the first end of the connecting pipe ( 200 ). 3 . A port (120) is placed within the liquid medium (110). 3. The smoking device for endoscopic surgery according to claim 2, characterized in that, a first sealing member is provided between the duct opening (120) and the connecting pipe (200), and the first sealing member is used for for sealing the gap between the pipe opening (120) and the connecting pipe (200). 4. The smoking device for endoscopic surgery according to claim 1, wherein a water injection port (130) is provided on the sealing bag (100), and the sealing bag (100) can pass through the water injection port (130). ) into the liquid medium (110). 5. The smoking device for endoscopic surgery according to claim 4, wherein a second sealing member is detachably provided on the water injection port (130), and the second sealing member is used to seal the water injection port (130). 130). 6. The smoking device for endoscopic surgery according to claim 1, wherein the volume of the liquid medium (110) in the sealed bag (100) accounts for 30-60% of the volume of the sealed bag (100). %. 7 . The smoking device for endoscopic surgery according to claim 1 , wherein the material of the sealing bag ( 100 ) is a transparent material. 8 . 8. The smoking device for endoscopic surgery according to claim 1, wherein the connecting pipe (200) is a flexible tube. 9 . The smoking device for endoscopic surgery according to claim 1 , wherein the second end of the connecting pipe ( 200 ) is provided with a pipe interface ( 210 ) matched with the puncture device ( 300 ). The connecting pipe (200) is connected with the puncture device (300) through the pipe interface (210). 10. The smoking device for endoscopic surgery according to any one of claims 1 to 9, characterized in that it further comprises a flow regulator (400), wherein the flow regulator (400) is arranged on the connecting pipe (200) and the flow regulator (400) can adjust the flow rate of smoke in the connecting pipe (200).

Images