CN218651895U - Constant temperature air feeder for abdominal cavity - Google Patents

Abstract

The application relates to an abdominal cavity constant temperature air feeder includes: cooling box, heating pipe and gas line. The cooling box body is a hollow sealed box body, a heat-conducting medium is arranged in the cooling box body, the bottom end of the side wall of the cooling box body is provided with an air inlet hole, the top end of the side wall is provided with an air outlet hole, and the heating pipe is arranged in the cooling box body; the gas pipeline is arranged on the heating pipe in a surrounding mode, the gas inlet end penetrates through the gas inlet hole and is suitable for being connected with a gas supply pipe of a pneumoperitoneum machine, and the gas outlet end penetrates through the gas outlet hole and is suitable for being connected with a pneumoperitoneum needle. The heating pipe heats the heat-conducting medium inside the cooling box body, the heat of the heating pipe is transferred to the gas pipeline, the gas pipeline is subjected to constant temperature and uniform heating, and the gas temperature inside the gas pipeline is close to the temperature inside the abdominal cavity of a human body through the temperature control module, so that smoke is prevented from being generated, and the operation visual field is prevented from being influenced.

Description

Constant temperature air feeder for abdominal cavity

Technical Field

The application relates to the technical field of medical equipment, in particular to an abdominal cavity constant-temperature air supply device.

Background

Minimally invasive surgery has the advantages of less trauma, less pain and quick recovery. Moreover, the minimally invasive surgery focuses more on the improvement and rehabilitation of the psychology, the society, the physiology (pain), the psychology, the physiognomy and the life quality of the patient, and is attached to the patient to the greatest extent, so that the pain of the patient is relieved.

With the increasing development of minimally invasive surgical techniques, there is an increasing need for rationalization and improvement of the intraoperative procedures. In minimally invasive abdominal surgery, continuous gas infusion into the abdominal cavity is required to obtain a good surgical space and field of view, i.e. to create pneumoperitoneum. When the temperature of the gas for manufacturing the pneumoperitoneum through the pneumoperitoneum machine is close to or equal to the ambient temperature (for example, room temperature) and lower than the body temperature of a human body, the patient is subjected to laparoscopic electrosurgery operation, and the body temperature of the patient is higher than the gas continuously input into the abdominal cavity, so that temperature difference is formed, a large amount of smoke is easily formed, and the visual field of the operation is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides an abdominal cavity constant temperature air supply device, which provides a constant temperature and a temperature close to the body temperature of the patient's abdominal cavity, and avoids the formation of a large amount of smoke and the influence on the field of vision of the operation.

According to an aspect of the present application, there is provided an abdominal cavity constant temperature gas supply device, comprising: a cooling box body, a heating pipe and a gas pipeline; the cooling box body is a hollow sealed box body, a heat-conducting medium is arranged in the cooling box body, the bottom end of the side wall of the cooling box body is provided with an air inlet hole, and the top end of the side wall is provided with an air outlet hole; the heating pipe is arranged inside the cooling box body; the gas pipeline is arranged on the heating pipe in a surrounding mode, the gas inlet end penetrates through the gas inlet hole and is suitable for being connected with a gas supply pipe of a pneumoperitoneum machine, and the gas outlet end penetrates through the gas outlet hole and is suitable for being connected with a pneumoperitoneum needle.

In one possible implementation manner, the material of the heat conducting medium is water.

In a possible implementation manner, the heating pipe is a U-shaped pipe, and an open end of the U-shaped pipe is fixed to and communicated with the bottom of the cooling box; the body length direction of the heating pipe is vertically arranged along the bottom plate surface direction of the cooling box body; the heating pipe quantity is a plurality of, and adjacent heating pipe interval sets up.

In a possible implementation manner, the gas pipelines are spirally wrapped on the same side of the plurality of heating pipes, and a preset space is left between the vertically adjacent gas pipelines.

In a possible implementation manner, a fixed bracket is arranged at the bottom end of the interior of the cooling box body, and the fixed bracket is of a sheet structure; and a plurality of the heating pipes are circularly arranged on the fixed bracket.

In a possible realization mode, a liquid temperature sensor is arranged on the inner side wall of the cooling box body; the quantity of liquid temperature sensor is a plurality of, follows the length direction and the width direction of the inside lateral wall of cooling box, set up at interval in proper order.

In a possible implementation manner, a gas temperature sensor and a filter membrane are sequentially communicated with each other in the gas outlet direction of the gas outlet end of the gas pipeline.

In a possible implementation manner, a temperature control module is arranged outside the cooling box body and used for controlling the temperature of the heating pipe.

In a possible implementation manner, an air inlet hole sealing ring is arranged on the air inlet hole, the outer side wall of the air inlet hole sealing ring is matched with the air inlet hole, and the inner side wall of the air inlet hole sealing ring is matched with the air inlet end of the gas pipeline; and the air outlet is provided with an air outlet sealing ring, the outer side wall of the air outlet sealing ring is matched with the air outlet, and the inner side wall of the air outlet sealing ring is matched with the air outlet end of the gas pipeline.

In one possible implementation, the heat transfer medium covers the top of the heating tube and the gas pipe; and a preset space is reserved between the heat-conducting medium and the top end of the interior of the cooling box body.

The abdominal cavity constant temperature air feeder of this application embodiment's beneficial effect: the abdominal cavity constant temperature air feeder sets up between pneumoperitoneum machine and the abdominal needle that connects the gas, and pneumoperitoneum machine makes gas, and the temperature that the gas of making passes through behind the abdominal cavity constant temperature air feeder is close or the same with the inside temperature in human abdominal cavity mutually to avoid appearing gaseous temperature and the inside temperature in abdominal cavity and produce the temperature difference, reduce because of the smog that the temperature difference produced, promote the view of doctor at the operation in-process. The heat conducting medium is filled in the cooling box body of the abdominal cavity constant temperature air supply device, heat generated by the heating pipe in the cooling box body is conveyed to the gas pipeline through the heat conducting medium, and the gas in the gas pipeline is heated at constant temperature. In addition, through the cooperation of control module, liquid temperature sensor and gas temperature sensor, make the inside gas of gas pipeline keep the constant temperature and be close to or the same with the inside temperature of human abdominal cavity. Moreover, the liquid is adopted as a heat-conducting medium, so that the gas pipeline is better coated, and the gas in the gas pipeline can be heated uniformly at constant temperature.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.

Fig. 1 is a schematic structural diagram of a main body of an abdominal cavity constant temperature air supply device embodiment 1 in an embodiment of the present application;

fig. 2 shows a schematic structural diagram of a main body of an abdominal cavity constant temperature air supply device embodiment 2 of the present application.

Detailed Description

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention or for simplicity in description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.

Fig. 1 shows a schematic view of a body structure according to an embodiment of the present application. As shown in fig. 1, in embodiment 1, the abdominal cavity constant temperature air supply device of the present application includes a cooling box 100, a heating pipe 200 and an air pipeline 300. The cooling box body 100 is a hollow sealed box body, the interior of the cooling box body is provided with a heat conducting medium 400, the bottom end of the side wall of the cooling box body 100 is provided with an air inlet hole, the top end of the side wall is provided with an air outlet hole, and the heating pipe 200 is arranged inside the cooling box body 100; the gas pipeline 300 is arranged on the heating pipe 200 in a surrounding manner, the gas inlet end penetrates through the gas inlet hole and is suitable for being connected with a gas supply pipe of a pneumoperitoneum machine, and the gas outlet end penetrates through the gas outlet hole and is suitable for being connected with a pneumoperitoneum needle. Therefore, the gas generated by the pneumoperitoneum machine is close to or the same as the internal temperature of the abdominal cavity of a human body after passing through the abdominal cavity constant-temperature gas supply device, and the smoke influencing the operation visual field of a doctor due to temperature difference is avoided.

In the specific embodiment, the abdominal cavity constant temperature air supply device is arranged between the pneumoperitoneum machine and the pneumoperitoneum needle, the pneumoperitoneum machine generates air, and the temperature of the generated air after passing through the abdominal cavity constant temperature air supply device is close to or equal to the temperature inside the abdominal cavity of a human body, so that the temperature difference between the air temperature and the temperature inside the abdominal cavity is avoided, smoke generated due to the temperature difference is reduced, and the visual field of a doctor in the operation process is improved. The cooling box 100 of the abdominal cavity constant temperature air supply device is filled with a heat conducting medium 400, and heat generated by the heating pipe 200 in the cooling box 100 is transferred to the gas pipeline 300 through the heat conducting medium 400, so as to heat the gas in the gas pipeline 300 at a constant temperature. In addition, through the cooperation of the control module, the liquid temperature sensor 720 and the gas temperature sensor 710, the gas inside the gas pipeline 300 is kept at a constant temperature and is close to or the same as the temperature inside the abdominal cavity of the human body. Moreover, the liquid is used as the heat-conducting medium 400, so that the gas pipeline 300 is better coated, and the gas in the gas pipeline 300 can be heated uniformly at a constant temperature.

It should be noted here that the temperature control module 500 is used for controlling the temperature of the heating tube 200, and can be implemented by the existing technical means, and the specific structure is not limited, and will not be described herein again.

In an embodiment, the length direction of the heating pipes 200 is vertically arranged along the bottom plate surface direction of the cooling box 100, the number of the heating pipes 200 is plural, and the adjacent heating pipes 200 are arranged at intervals. The heating pipe 200 is a U-shaped pipe, specifically, an annular structure with an open end, and the open end is disposed above the vertical fixing bracket 900, so as to conveniently surround the gas pipeline 300 on the heating pipe 200. In this case, the number of the heating pipes 200 is plural, so that the heat transfer medium 400 inside the cooling tank 100 can be rapidly heated. Furthermore, the plurality of heating pipes 200 are spaced above the fixing bracket 900, so that the heat-conducting medium 400 can be uniformly heated at a constant temperature, and further, the gas in the gas pipeline 300 can be uniformly heated at a constant temperature.

Further, in this embodiment, the gas pipes 300 are spirally arranged around the same side of the plurality of heating pipes 200, and a predetermined space is left between the adjacent gas pipes 300. In order to ensure that the gas in the gas pipeline 300 can exchange heat with the heat-conducting medium 400 uniformly and at a constant temperature, the temperature of the gas in the gas pipeline 300 is always kept close to or equal to the temperature of the inside of the abdominal cavity of the human body, so that the length of the gas pipeline 300 is increased, and the gas is spirally surrounded on all the heating pipes 200. In addition, a preset space is left between any upper and lower adjacent gas pipelines 300, so that the outer surfaces of the gas pipelines 300 can be in contact with the heat-conducting medium 400, and uniform and constant-temperature heat exchange is performed.

Furthermore, in this embodiment, the plurality of heating pipes 200 are arranged on the fixing bracket 900 in a circular shape, and the heating pipes 200 are spirally wrapped around the inner sides of the plurality of heating pipes 200, so that the heating pipes 200 can perform uniform and constant-temperature heat exchange on the heat-conducting medium 400 inside the cooling box 100.

In one embodiment, a liquid temperature sensor 720 is disposed on an interior sidewall of the cooling box 100. The plurality of liquid temperature sensors 720 are provided at intervals in the longitudinal direction and the width direction of the inner side wall of the cooling box 100. The liquid temperature sensor 720 is disposed inside the cooling case 100 to measure the temperature of the heat transfer medium 400.

In one embodiment, a gas temperature sensor 710 is connected to the gas outlet of the gas pipe 300. The gas temperature sensor 710 is provided outside the cooling tank 100 to measure the temperature of the gas after constant-temperature heating.

It should be noted that both the liquid temperature sensor 720 and the gas temperature sensor 710 can be implemented by the prior art, and will not be described in detail herein.

Further, in this embodiment, the gas outlet of the gas pipeline 300 is connected to a filter membrane 800. Specifically, the filter membrane 800 is disposed at the end of the gas pipe 300, and is capable of filtering gas impurities in the gas pipe 300 and possibly generated moisture.

In one embodiment, the air inlet hole is provided with an air inlet hole sealing ring 610, the outer side wall of the air inlet hole sealing ring 610 is matched with the air inlet hole, and the inner side wall is matched with the air inlet end of the air pipeline 300, so as to prevent the heat-conducting medium 400 inside the cooling box 100 from leaking out from the air inlet hole. The air outlet is provided with an air outlet sealing ring 620, the outer side wall of the air outlet sealing ring 620 is matched with the air outlet, the inner side wall is matched with the air outlet end of the gas pipeline 300, and the heat-conducting medium 400 in the cooling box body 100 is leaked out.

In one embodiment, the heat conducting medium 400 is made of water.

Further, in this embodiment, the heat transfer medium 400 covers the top of the heating tube 200 and the gas pipeline 300, and a predetermined space is left between the heat transfer medium 400 and the top of the interior of the cooling box 100. After heat exchange is performed by the heat transfer medium 400 made of water, the internal temperature of the cooling box 100 is raised, and the distance between the gases is increased. Therefore, a predetermined space is left inside the cooling tank 100, so that it is prevented that the internal pressure of the cooling tank 100 increases to damage the cooling tank 100, the gas line 300, and the heating pipe 200 after the temperature rises.

Fig. 2 shows a schematic view of another embodiment of a body structure according to an embodiment of the present application. As shown in fig. 2, embodiment 2 includes: a cooling box 100, a heating pipe 200, a temperature control module 500 and a gas pipeline 300. The heat transfer medium 400 filled in the cooling box 100 is a gas.

In this embodiment, the positions or the installation manners of the air inlet and the air outlet on the heating pipe 200, the gas pipeline 300 and the cooling box 100 are the same, the heat-conducting medium 400 used as liquid in embodiment 1 is replaced by the heat-conducting medium 400 of gas, and the plurality of cooling fans 1000 are arranged at the top end of the inside of the cooling box 100, and the temperature inside the cooling box 100 and the temperature of the gas in the gas pipeline 300 are adjusted by matching with the temperature control module 500.

Further, in this embodiment, the temperature sensor for measuring the temperature of the gas in the gas line 300 may be disposed inside or outside the cooling box 100.

In example 1 of the present application, the heat transfer medium 400 is different from example 2. In the embodiment 1 using water as the heat transfer medium 400, the heat transfer efficiency of the liquid is higher than that of the gas at a temperature close to room temperature, as compared with the embodiment 2 using gas as the heat transfer medium 400. Thus, the abdominal cavity constant temperature air supply device used in embodiment 1 is better in the aspects of heat conduction efficiency, constant temperature keeping and uniform heating, and meets the requirement of avoiding influencing the visual field in the operation process.

The foregoing description of the embodiments of the present application has been presented for purposes of illustration and description and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or improvements to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. An abdominal cavity constant temperature air supply device, comprising:

a cooling box body, a heating pipe and a gas pipeline;

the cooling box body is a hollow sealed box body, a heat-conducting medium is arranged in the cooling box body, the bottom end of the side wall of the cooling box body is provided with an air inlet hole, and the top end of the side wall is provided with an air outlet hole;

the heating pipe is arranged inside the cooling box body;

the gas pipeline is arranged on the heating pipe in a surrounding mode, the gas inlet end penetrates through the gas inlet hole and is suitable for being connected with a gas supply pipe of a pneumoperitoneum machine, and the gas outlet end penetrates through the gas outlet hole and is suitable for being connected with a pneumoperitoneum needle.

2. The abdominal cavity constant temperature air supply device according to claim 1, wherein the heat conducting medium is made of water.

3. The abdominal cavity constant temperature air supply device according to claim 1, wherein the heating pipe is a U-shaped pipe, and an open end is fixed and communicated with the bottom of the cooling box body;

the body length direction of the heating pipe is vertically arranged along the bottom plate surface direction of the cooling box body;

the heating pipe number is a plurality of, and adjacent heating pipe interval sets up.

4. The abdominal cavity constant temperature gas supply device according to claim 3, wherein the gas pipes are spirally arranged around and wrapped on the same side of the plurality of heating pipes, and a preset space is left between the gas pipes which are adjacent up and down.

5. The abdominal cavity constant temperature air supply device according to claim 3, wherein a fixing bracket is arranged at the bottom end of the interior of the cooling box body, and the fixing bracket is of a sheet structure; and is

A plurality of the heating pipes are arranged on the fixed bracket in a circular shape.

6. The abdominal cavity constant temperature air supply device according to claim 1, wherein a liquid temperature sensor is arranged on the inner side wall of the cooling box body;

the quantity of liquid temperature sensor is a plurality of, follows the length direction and the width direction of the inside lateral wall of cooling box, set up at interval in proper order.

7. The abdominal cavity constant temperature gas supply device according to claim 1, wherein a gas temperature sensor and a filter membrane are sequentially communicated with each other in the gas outlet direction of the gas outlet end of the gas pipeline.

8. The abdominal cavity constant temperature air supply device according to claim 1, wherein a temperature control module is provided outside the cooling box body to control the temperature of the heating pipe.

9. The abdominal cavity constant temperature air supply device according to claim 1, wherein an air inlet hole sealing ring is arranged on the air inlet hole, the outer side wall of the air inlet hole sealing ring is matched with the air inlet hole, and the inner side wall is matched with the air inlet end of the gas pipeline;

and the air outlet is provided with an air outlet sealing ring, the outer side wall of the air outlet sealing ring is matched with the air outlet, and the inner side wall of the air outlet sealing ring is matched with the air outlet end of the gas pipeline.

10. The abdominal cavity constant temperature gas supply device according to claim 2, wherein the heat conducting medium covers the top of the heating tube and the gas line;

a preset space is reserved between the heat-conducting medium and the top end of the interior of the cooling box body.

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