CN209347732U - A medical waste liquid collection cylinder - Google Patents

Abstract

The utility model provides a medical waste liquid collection cylinder, belonging to the field of medical equipment, comprising a hard cylinder body, a soft bag arranged in the hard cylinder body, and a cover arranged at the opening end of the hard cylinder body and connected with the soft bag. The top cover of the bag sealing connection, the top cover is provided with a first protruding tube communicating with the soft bag and a second protruding tube communicating with the gap between the soft bag and the hard cylinder, used to communicate with the first The convex pipe, the second convex pipe and the connecting pipe connected with the negative pressure equipment. The first convex pipe or the second convex pipe is connected with a branch pipe for connecting the soft bag and the hard cylinder with the atmosphere. The branch pipe is connected with the atmosphere. The connecting pipes are provided with valves for controlling pipeline switches. The utility model does not need an additional hose to connect the soft bag with the negative pressure equipment, and when the suction stops, the pressure inside and outside the hard cylinder can be balanced to facilitate the replacement of the soft bag.

Description

A medical waste liquid collection cylinder

technical field

The utility model belongs to the field of medical equipment, in particular to a medical waste liquid collection cylinder.

Background technique

In the process of clinical treatment, especially in the operating room, emergency room and other operations that need to remove patient blood, sputum, and human tissue fluid, it is necessary to use a negative pressure suction system to absorb and store these medical waste fluids, so as to prevent secondary pollution in the hospital The phenomenon.

The existing negative pressure suction system mainly includes a bracket and several waste liquid collection tubes fixed on the bracket. The waste liquid collection tube includes a soft bag, a hard tube body and a top cover. The soft bag is arranged in the hard tube body. There is a gap between the bag and the inner wall of the hard cylinder, and the side wall of the hard cylinder is provided with an air guide joint assembly that communicates with the gap between the soft bag and the inner wall of the hard cylinder, and the top of the convex tube is provided. The cover is arranged on the mouth of the hard cylinder, and the top cover is sealed and connected with the soft bag. When the negative pressure suction system is used to suck the waste liquid, it is necessary to connect the convex tube with the negative pressure equipment through the air guide joint assembly. After the soft bags have reached the set volume, new soft bags and matching pipelines must be replaced. On the one hand, before suctioning the waste liquid, the medical staff need to use a catheter to connect the convex tube with the air guide joint assembly, which is troublesome; on the other hand, when replacing the soft bag, due to the It has been suctioned to a negative pressure, and the medical staff must spend a lot of effort and find the operable position to remove the top cover and the soft bag from the hard cylinder, which causes inconvenience to the medical staff's operation.

Utility model content

In order to solve the above technical problems, the utility model provides a medical waste liquid collection cylinder, which does not need an additional hose to connect the soft bag with the negative pressure equipment, and can balance the pressure inside and outside the hard cylinder when the suction stops, so as to Easy to replace the soft bag.

In order to achieve the above object, the technical scheme of the utility model is as follows:

A medical waste liquid collection tube, comprising a hard cylinder body, a soft bag inside the hard cylinder body, and a top cover arranged on the opening end of the hard cylinder body and sealingly connected with the soft bag, the The top cover is provided with a first protruding tube communicating with the soft bag and a second protruding tube communicating with the gap between the soft bag and the rigid cylinder for communicating with the first protruding tube, the second protruding tube and the The connecting pipe connected to the negative pressure equipment, the first protruding pipe or the second protruding pipe is connected with a branch pipe for connecting the soft bag and the hard cylinder with the atmosphere, and the branch pipe and the connecting pipe are equipped with control pipelines Switch valve.

In one embodiment, the rigid cylinder is further provided with a heating assembly for accelerating the internal and external pressure balance of the rigid cylinder.

Preferably, the heating assembly includes a power supply and a heating wire connected to the power supply.

More preferably, the heating wire is arranged around the inner wall of the hard casing.

More preferably, the heating assembly further includes a temperature controller for controlling the temperature inside the rigid cylinder to maintain a set value.

More preferably, the temperature controller is arranged on the outer wall of the rigid cylinder.

In one embodiment, the medical waste liquid collection cylinder further includes an automatic control assembly, the automatic control assembly includes a liquid level sensor for transmitting a signal to the controller when the liquid level in the soft bag is higher than the set liquid level, A controller for receiving the signal of the liquid level sensor and controlling the switch of the valve, the liquid level sensor and the valve are both electrically connected to the controller.

Wherein, when the controller receives the signal transmitted by the liquid level sensor, the controller controls the valve on the connecting pipe to close, and controls the valve on the branch pipe to open.

Wherein, the valve is an electric valve.

In one embodiment, the connecting pipe is a three-way pipe, including a first branch pipe, a second branch pipe and a third branch pipe, the first branch pipe is used for connecting with the first convex pipe, and the second branch pipe is used for connecting with the first convex pipe. The second convex pipe is connected, the third branch pipe is used to connect with negative pressure equipment, and the valve is arranged on the third branch pipe.

Compared with the prior art, the utility model has the following effects:

1. The utility model is provided with a first protruding tube communicating with the soft bag and a second protruding tube communicating with the gap between the hard cylinder of the soft bag on the top cover. The first protruding tube and the second protruding tube are connected by The pipe is connected and connected with the negative pressure equipment, so that when suctioning, it is not necessary to use a hose to connect the air inlet of the soft bag with the air inlet of the hard cylinder, which is convenient to use; Or the second convex pipe is provided with an air pipe for communicating with the atmosphere. When the suction ends and the soft bag needs to be replaced, close the valve on the connecting pipe and open the valve on the branch pipe to communicate with the atmosphere in the hard cylinder and the soft bag , so as to balance the internal and external pressure to facilitate the replacement of the soft bag; 3. The utility model is also equipped with a heating component, which can increase the temperature in the hard cylinder by heating, thereby accelerating the balance of the internal and external pressure of the cylinder; 4. The utility model The utility model is also equipped with an automatic control component, and when the waste liquid in the soft bag reaches the set volume, the automatic control component can be used to control and stop the suction.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present utility model more clearly, the following will briefly introduce the drawings required for the description of the embodiments.

Fig. 1 is a schematic structural view of a medical waste liquid collection cylinder in an embodiment of the present invention;

Fig. 2 is the front sectional view of Fig. 1;

FIG. 3 is a partial enlarged view of A in FIG. 2 .

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings. It should be noted that the orientation words used in the description are described with the positions in the accompanying drawings.

A medical waste liquid collection tube, as shown in Figures 1 and 2, includes a hard cylinder body 1, a soft bag 2 arranged in the hard cylinder body 1, and a cover arranged at the opening end of the hard cylinder body 1 and A top cover 3 that is airtightly connected with the soft bag 2 .

As shown in Figures 2 and 3, the top cover 3 is provided with a first protruding tube 201 communicating with the soft bag 2 and a second protruding tube 202 communicating with the gap between the soft bag 2 and the rigid cylinder 1, The connecting pipe 203 for communicating with the first protruding pipe 201 and the second protruding pipe 202 and connecting with the negative pressure equipment, the first protruding pipe 201 or the second protruding pipe 202 is communicated with the connecting pipe 203 for making the soft bag 2 and the hard bag 2 The branch pipe 204 communicated with the atmosphere in the mass cylinder 1, the branch pipe 204 and the connecting pipe 203 are all provided with valves (not shown in the figure) for controlling the switches of their respective pipelines.

Specifically, as shown in FIG. 3 , the bottom end of the first convex tube 201 is open and the top end is sealed, and a first through hole is opened on the top cover 3 corresponding to the position of the first convex tube 201 . The opening end of the tube 201 is inserted into the first through hole so that the first protruding tube 201 communicates with the soft bag 2, and the right side wall of the first protruding tube 201 shown has a threaded hole for communicating with the connecting tube 203; The bottom end of the second convex tube 202 is open and the top end is sealed. The top cover 3 is provided with a second through hole corresponding to the position of the second convex tube 202. The opening end of the second convex tube 202 is inserted into the first In the two through holes, the gap between the second convex tube 202 and the hard cylinder 1 of the soft bag 2 is communicated, and the left side wall of the second convex tube 202 is provided with a screw hole for communicating with the connecting pipe 203, The right side wall of the second convex pipe 202 is communicated with a branch pipe 204, and the branch pipe 204 is provided with a first valve; the connecting pipe 203 is a three-way pipe, including a first branch pipe, a second branch pipe and a third branch pipe , the ends of the first branch pipe and the second branch pipe are provided with external threads, the first branch pipe is threaded with the first convex pipe 201, the second branch pipe is threaded with the second convex pipe 202, and the third branch pipe is threaded with the second convex pipe 202. The branch pipe is used to connect with negative pressure equipment, and the third branch pipe is provided with a second valve for controlling its pipeline switch. When performing suction, connect the negative pressure equipment to the third branch pipe, open the second valve, and close the first valve to perform suction; when the soft bag 2 needs to be replaced after the suction is completed, close the second valve and connect with The negative pressure equipment is separated, and then the first valve is opened. At this time, the inside of the soft bag 2 and the hard cylinder 1 are connected to the atmosphere, so as to balance the negative pressure environment and facilitate the removal of the soft bag 2 .

In order to speed up the balance of the internal and external pressure of the rigid cylinder 1, a heating assembly is also provided on the rigid cylinder 1, the heating assembly power supply (not shown in the figure) and the electric heating wire 401 connected to the power supply, the electric heating assembly The wire 401 is arranged around the inner wall of the hard cylinder 1. After the suction is finished, the power switch can be turned on to make the heating wire 401 work, thereby increasing the temperature in the hard cylinder 1 and accelerating the balance of internal and external pressure; in order to make the hard cylinder The body 1 is maintained at a set temperature, and the heating assembly also includes a temperature controller 402. The temperature controller 402 is set on the outer wall of the hard cylinder 1, and can set the temperature and display the temperature inside the hard cylinder 1 in real time. temperature.

In order to save manpower and realize automatic control, the medical waste liquid collection cylinder also includes an automatic control assembly, which includes a liquid for transmitting a signal to the controller when the liquid level in the soft bag 2 is higher than the set liquid level. A level sensor, a controller for receiving signals from the liquid level sensor and controlling the operation of the first valve, the second valve and the heating wire 401, the liquid level sensor, the first valve, the second valve and the power supply are all connected with the controller Electric connection; at this time, the first valve and the second valve are electric valves, when the liquid level in the soft bag 2 reaches the set liquid level, the liquid level sensor transmits the signal to the controller, and the controller controls the The second valve is closed, the first valve is controlled to open, and the heating wire 401 is controlled to start working.

It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the inventive concept of the present utility model, and these all belong to the protection scope of the present utility model.

Claims (10)

1. A medical waste liquid collection tube, comprising a hard cylinder (1), a soft bag (2) set in the hard cylinder (1), and a cover set on the opening of the hard cylinder (1) The top cover (3) connected with the soft bag (2) is characterized in that the top cover (3) is provided with a first protruding tube (201) communicating with the soft bag (2) and connected with the soft bag (2). The second protruding tube (202) communicated with the gap between the soft bag (2) and the hard cylinder (1), is used to communicate with the first protruding tube (201), the second protruding tube (202) and connect with the negative The connecting pipe (203) connected to the pressure equipment, the first convex pipe (201) or the second convex pipe (202) is communicated with a pipe for connecting the soft bag (2) and the hard cylinder (1) with the atmosphere. A branch pipe (204), the branch pipe (204) and the connecting pipe (203) are provided with valves for controlling the switches of their respective pipelines. 2. The medical waste liquid collection cylinder according to claim 1, characterized in that, the hard cylinder (1) is further provided with a heating assembly for accelerating the internal and external pressure balance of the hard cylinder (1). 3. The medical waste liquid collection cylinder according to claim 2, wherein the heating assembly includes a power supply and a heating wire (401) connected to the power supply. 4. The medical waste liquid collection cylinder according to claim 3, characterized in that, the heating wire (401) is arranged around the inner wall of the hard cylinder (1). 5. The medical waste liquid collection cylinder according to claim 3, characterized in that the heating assembly further comprises a temperature controller (402) for controlling the temperature inside the hard cylinder (1) to maintain a set value. 6. The medical waste liquid collection cylinder according to claim 5, characterized in that, the temperature controller (402) is arranged on the outer wall of the hard cylinder (1). 7. The medical waste liquid collection cylinder according to claim 1, characterized in that it also includes an automatic control assembly, and the automatic control assembly includes a device for transferring when the liquid level in the soft bag (2) is higher than the set liquid level. A liquid level sensor that sends a signal to the controller, a controller for receiving the signal of the liquid level sensor and controlling the switch of the valve, the liquid level sensor and the valve are both electrically connected to the controller. 8. The medical waste liquid collection cylinder according to claim 7, characterized in that, when the controller receives the signal transmitted by the liquid level sensor, the controller controls the valve on the connecting pipe (203) to close , and control the opening of the valve on the branch pipe (204). 9. The medical waste liquid collection cartridge according to claim 7 or 8, wherein the valve is an electric valve. 10. The medical waste liquid collection cylinder according to claim 1, characterized in that, the connecting pipe (203) is a three-way pipe, including a first branch pipe, a second branch pipe and a third branch pipe, and the first branch pipe is used for is used to connect with the first convex pipe (201), the second branch pipe is used to connect with the second convex pipe (202), the third branch pipe is used to connect with negative pressure equipment, and the connecting pipe (203) The valve is arranged on the third branch pipe.