CN209316617U - An automatic aspirator for hepatobiliary surgery - Google Patents

Abstract

The utility model discloses an automatic aspirator for hepatobiliary surgery, which comprises a base, a shell, a liquid collection box, a suction pipe, a connecting pipe, an air pump, a return pipe, a sleeve, a PTC heating body, a first liquid collection bottle, a second Liquid collection bottle, control switch, straight pipe, one-way valve, water valve, screw cap, piezoelectric buzzer, battery, positive circuit and negative circuit. The utility model is reasonable in structure and novel in design. During laparoscopic surgery, the emerging blood and body fluid can be sucked and removed, and the first liquid collecting bottle and the second liquid collecting bottle can be used to The liquid collection bottle is replaced to make the liquid collection effect continue to be effective, and to avoid the overflow of blood and body fluids during the replacement; when the blood and body fluids are sucked, the absorbed carbon dioxide gas can be returned to the abdominal cavity through the return tube. , can preheat the carbon dioxide gas to a certain extent, so as to avoid damage to the patient caused by the supercooling of carbon dioxide.

Description

An automatic aspirator for hepatobiliary surgery

technical field

The utility model relates to an automatic aspirator, in particular to an automatic aspirator for hepatobiliary surgery, which belongs to the technical field of medical instruments.

Background technique

Laparoscopic surgery is one of the common operations in hepatobiliary surgery. During laparoscopic surgery, in order to create an operating space, it is necessary to inflate the abdominal cavity with carbon dioxide gas to raise the abdominal wall; at the same time, there will be blood and body fluids in the abdominal cavity. The device is suctioned out of the abdominal cavity.

When a general suction device absorbs body fluids and blood, it is necessary to replace the liquid-collecting container, and it may be necessary to stop the suction of body fluids and blood during the replacement; when the body fluids and blood are sucked, the carbon dioxide gas in the abdominal cavity may be drawn out, which may A device that requires backflow, and the carbon dioxide gas in the flow path may become cold due to the external environment and enter the abdominal cavity, which may cause adverse effects on the patient. Therefore, a kind of hepatobiliary surgery automatic aspirator is proposed in view of the problems referred to above.

Utility model content

The purpose of this utility model is to provide an automatic aspirator for hepatobiliary surgery in order to solve the above problems.

The utility model achieves the above object through the following technical solutions. An automatic aspirator for hepatobiliary surgery includes a base and a shell fixed on the surface of the base. A liquid collection box and an air pump are fixedly installed inside the shell. The two sides of the top of the liquid box are respectively connected to the suction pipe and the connecting pipe, and the end of the connecting pipe is connected to the output end of the air suction pump. heating stuff;

The bottom of the liquid collection box is connected to two straight pipes, and the surfaces of the two straight pipes are equipped with one-way valves, water valves and threaded caps, and the number of the one-way valves, water valves and threaded caps is two, and The two threaded caps are threadedly connected with the first liquid collection bottle and the second liquid collection bottle respectively, and the water valve and the straight pipe surface are composed of a piezoelectric buzzer, a battery, a positive pole of the circuit and a negative pole of the circuit to form an open loop, and The circuit positive pole and the circuit negative pole are located at the bottom of the straight tube.

Preferably, there are several PTC heating elements, and the PTC heating elements are attached to the outer wall of the air return pipe.

Preferably, both the suction pipe and the air return pipe pass through the side wall of the casing.

Preferably, the one-way valve is embedded inside the side wall of the casing, and the one-way valve is located on the top of the water valve.

Preferably, the straight pipe runs through the threaded cap, and the straight pipe is located in the middle of the threaded cap.

Preferably, two control switches are embedded in the outer wall of the housing, and the two control switches are electrically connected to the air pump and the PTC heating element respectively.

The beneficial effects of the utility model are:

1. The device has a reasonable structure and a novel design. During laparoscopic surgery, it can absorb the emerging blood and body fluids. Through the first liquid collection bottle and the second liquid collection bottle, it is convenient for the first liquid collection bottle and the second liquid collection bottle The second liquid collection bottle is replaced to make the liquid collection effect continue to be effective, and to avoid the overflow of blood and body fluids during replacement;

2. When absorbing blood and body fluids, the inhaled carbon dioxide gas can be returned to the abdominal cavity through the trachea return tube. During the backflow, the carbon dioxide gas can be preheated to a certain extent to avoid damage to the patient caused by excessive cooling of carbon dioxide.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a partial enlarged structural schematic diagram of part A shown in Fig. 1 of the utility model;

Fig. 3 is a schematic diagram of the section structure of the return air pipe and the sleeve of the utility model.

In the figure: 1. Base, 2. Shell, 3. Liquid collection box, 4. Suction tube, 5. Connecting tube, 6. Suction pump, 7. Air return tube, 8. Sleeve, 9. PTC heating element, 10 , the first liquid collection bottle, 11, the second liquid collection bottle, 12, control switch, 13, straight pipe, 14, one-way valve, 15, water valve, 16, screw cap, 17, piezoelectric buzzer, 18, storage battery, 19, positive pole of the circuit, 20, negative pole of the circuit.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-3, an automatic aspirator for hepatobiliary surgery, including a base 1 and a housing 2 fixed on the surface of the base 1, a liquid collection box 3 and an air pump 6 are fixedly installed inside the housing 2, Both sides of the top of the liquid collection box 3 are respectively connected to the suction pipe 4 and the connecting pipe 5, and the end of the connecting pipe 5 is connected to the output end of the air pump 6, and the air pump 6 is connected to the air return pipe 7, and the surface of the air return pipe 7 is sleeved with Sleeve 8, the inner wall of the sleeve 8 is fitted with a PTC heating element 9, and the PTC heating element 9 can preheat the gas in the air return pipe 7;

The bottom of the liquid collection box 3 communicates with two straight pipes 13, the straight pipes 13 allow the liquid in the liquid collection box 3 to enter the first liquid collection bottle 10 or the second liquid collection bottle 11 to gather, and the two straight pipes 13 surfaces are equipped with one-way valve 14, water valve 15 and screw cap 16, and one-way valve 14 prevents the liquid from flowing back into the liquid collection box 3, and the number of said one-way valve 14, water valve 15 and thread cap 16 is two , and the two threaded caps 16 are threadedly connected with the first liquid collection bottle 10 and the second liquid collection bottle 11 respectively, which is convenient for the replacement of the first liquid collection bottle 10 and the second liquid collection bottle 11. The water valve 15 and the straight pipe The surface of 13 is composed of piezoelectric buzzer 17, battery 18, positive circuit 19 and negative circuit 20 to form an open circuit, and positive circuit 19 and negative circuit 20 are located at the bottom of straight tube 13, positive circuit 19 and negative circuit 20 are connected , the piezoelectric buzzer 17 is energized to give an alarm.

As a technical optimization scheme of the utility model, the number of the PTC heating element 9 is several, and the PTC heating element 9 is attached to the outer wall of the air return pipe 7, and the PTC heating element 9 is used for preheating the gas in the air return pipe 7.

As a technical optimization scheme of the present invention, the suction pipe 4 and the air return pipe 7 both run through the side wall of the housing 2, the suction pipe 4 and the air return pipe 7 can absorb and remove body fluids, and the air return pipe 7 allows carbon dioxide to flow back.

As a technical optimization scheme of the present utility model, the one-way valve 14 is embedded in the side wall of the housing 2, and the one-way valve 14 is located on the top of the water valve 15, and the one-way valve 14 prevents the liquid from flowing back into the liquid collection box 3 middle.

As a technical optimization scheme of the present utility model, the straight pipe 13 runs through the threaded cap 16, and the straight pipe 13 is located in the middle of the threaded cap 16, and the straight pipe 13 allows the liquid in the liquid collection box 3 to enter the first liquid collection bottle 10 Or gather in the second liquid collection bottle 11.

As a technical optimization scheme of the present utility model, two control switches 12 are mounted on the outer wall of the housing 2, and the two control switches 12 are respectively electrically connected to the air pump 6 and the PTC heating element 9, and the control switch 12 Control the start of air pump 6 and PTC heating element 9.

When the utility model is in use, the air pump 6 and the PTC heating element 9 are externally connected to a power supply, so that the water valve 15 on the top of the first liquid collection bottle 10 is opened, and the other water valve 15 is closed. 4 Insert it into the surgical incision of the patient, insert the air return tube 7 into the abdominal cavity, press the control switch 12, start the air pump 6 and the PTC heating element 9, the suction tube 4 sucks blood and body fluids, enters the liquid collection box 3, and the inhaled carbon dioxide The gas enters the air return pipe 7 through the suction pump 6, is preheated by the PTC heating element 9, and then enters the abdominal cavity from the end of the air return pipe 7; the liquid entering the liquid collection box 3 enters the first liquid collection bottle 10 through the straight pipe 13, when the second The liquid in one liquid collecting bottle 10 submerges the bottom end of the straight pipe 13, and the positive electrode 19 of the circuit and the negative electrode 20 of the circuit are in contact with the body fluid, so that the piezoelectric buzzer 17 is energized to give an alarm, and the staff opens the top of the second liquid collecting bottle 11. Water valve 15, then close the water valve 15 on the top of the first liquid collection bottle 10, then take off the first liquid collection bottle 10, replace the first liquid collection bottle 10 that has not collected liquid, and the second liquid collection bottle 11 for liquid collection , when the liquid in the second liquid collection bottle 11 submerges the bottom end of the straight pipe 13, the first liquid collection bottle 10 can be re-collected, and the second liquid collection bottle 11 can be replaced. Overflow, and make the liquid collection effect continue to be effective.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. An automatic aspirator for hepatobiliary surgery, comprising a base (1) and a housing (2) fixed on the surface of the base (1), characterized in that: the housing (2) is fixedly equipped with a liquid collection box ( 3) and an air pump (6), the two sides of the top of the liquid collection box (3) are respectively connected to the suction pipe (4) and the connecting pipe (5), and the end of the connecting pipe (5) is connected to the output end of the air pump (6) , the air pump (6) is connected to the air return pipe (7), and the surface of the air return pipe (7) is sleeved with a sleeve (8), and the inner wall of the sleeve (8) is embedded with a PTC heating element (9); The bottom of the liquid collection box (3) is connected to two straight pipes (13), and the surfaces of the two straight pipes (13) are equipped with a one-way valve (14), a water valve (15) and a screw cap (16), The number of the one-way valve (14), the water valve (15) and the screw cap (16) is two, and the two screw caps (16) are threadedly connected with the first liquid collecting bottle (10) and the second collecting bottle respectively. The liquid bottle (11), the water valve (15) and the straight pipe (13) are composed of piezoelectric buzzer (17), storage battery (18), positive circuit (19) and negative circuit (20) to form an open circuit. circuit, and the positive pole (19) and the negative pole (20) of the circuit are located at the bottom of the straight pipe (13). 2. The automatic aspirator for hepatobiliary surgery according to claim 1, characterized in that: the number of the PTC heating elements (9) is several, and the PTC heating elements (9) are attached to the outer wall of the return air duct (7) . 3. An automatic aspirator for hepatobiliary surgery according to claim 1, characterized in that: both the suction pipe (4) and the air return pipe (7) pass through the side wall of the casing (2). 4. The automatic aspirator for hepatobiliary surgery according to claim 1, characterized in that: the one-way valve (14) is fitted inside the side wall of the housing (2), and the one-way valve (14) is located in the water Valve (15) top. 5. An automatic aspirator for hepatobiliary surgery according to claim 1, characterized in that: the straight tube (13) runs through the threaded cap (16), and the straight tube (13) is located in the middle of the threaded cap (16). 6. The automatic aspirator for hepatobiliary surgery according to claim 1, characterized in that: two control switches (12) are mounted on the outer wall of the housing (2), and the two control switches (12) are respectively It is electrically connected with the air pump (6) and the PTC heating element (9).