CN209967190U - A constant pressure drainage tube for peritoneal puncture and drainage - Google Patents

Abstract

The utility model relates to the field of medical equipment in internal medicine, in particular to a constant-pressure liquid discharge pipe for introducing liquid in abdominal puncture, which comprises a liquid guide pipe, a liquid discharge pipe and a constant-pressure ball, wherein the bottom of the constant-pressure ball is provided with two connecting pipes, one of the connecting pipes is connected with the liquid guide pipe, the other connecting pipe is connected with the liquid discharge pipe, and the top of the constant-pressure ball is fixed with a puncture head; through set up the constant pressure ball between catheter and fluid-discharge tube, when just beginning to stab, and then make the discharge liquid enter into the constant pressure ball, make things convenient for medical personnel to draw sample liquid to the constant pressure ball through the puncture head and examine, the puncture head has on the constant pressure ball, spacing portion has been formed between puncture head and the constant pressure ball, can tie up the bandage in spacing portion, then hang in suitable position, play the purpose of control pressure, and be connected between constant pressure ball and catheter and the fluid-discharge tube vertical direction, can not cause bending and the jam of pipe.

Description

A constant pressure drainage tube for peritoneal puncture and drainage

technical field

The utility model relates to the field of medical instruments for internal medicine, in particular to a constant pressure drainage tube for abdominal cavity puncture and drainage.

Background technique

Paracentesis is a method used to clarify the nature of ascites, find out the pathogen, and assist in the diagnosis. Appropriate amount of ascites is extracted to reduce the pressure in the patient's abdominal cavity, relieve abdominal distension, chest tightness, shortness of breath, dyspnea and other symptoms, reduce venous return resistance, and improve blood circulation. Inject the drug into the peritoneal cavity. Inject a wide amount of air (artificial air pull) to increase abdominal pressure, make the diaphragm rise, indirectly compress both lungs, reduce the waste of pulmonary caps, and promote the healing of pulmonary cavities. hemostatic measures. Perform ascites concentrating reinfusion. Diagnostic (eg, in the case of abdominal trauma) or therapeutic (eg, in severe acute pancreatitis) peritoneal lavage.

After abdominal puncture, a small amount of effusion needs to be extracted for detection at the beginning, and then a drainage tube will be inserted for drainage, and the tube needs to be tied at a suitable height to control the discharge pressure during drainage, which is easy to cause bending and leakage of the tube. block. Therefore, those skilled in the art provide a constant-pressure drainage tube for peritoneal puncture and drainage to solve the problems raised in the above-mentioned background art.

Utility model content

The purpose of the present utility model is to provide a constant pressure drainage tube for abdominal cavity puncture and drainage, so as to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

A constant pressure drainage tube for abdominal cavity puncture and drainage, comprising a catheter, a drainage tube and a constant pressure bulb, the bottom of the constant pressure bulb has two connecting tubes, wherein one of the connecting tubes is connected to the conducting tube. A liquid pipe is connected, the other connecting pipe is connected with the drain pipe, a puncture head is fixed on the top of the constant pressure ball, a limit part is formed between the puncture head and the constant pressure ball, and the guide A shut-off plate is also sleeved on the liquid pipe and the liquid-discharge pipe, and the shut-off plate is located below the constant pressure ball.

As a further solution of the present utility model: the connecting pipe is connected with the liquid conduit and the drain pipe by interference, and the liquid conduit and the liquid drain pipe are rubber hoses, and the connecting pipe is made of plastic hard pipe.

As a further solution of the present invention, the two sides of the shutoff plate are provided with pipe grooves for holding the catheter and the drain pipe, and the outer side of the pipe groove is provided with two elastic arms, and the elastic arms The ends of the clasps are fixed with mutually matched tooth plates, and the tooth plates are provided with locking teeth.

As a further solution of the present invention, the latching teeth on the two tooth plates located on the same side of the cutoff plate are in opposite directions and mesh with each other.

As a further solution of the present invention, the number of the clamping teeth is three, and they are equally spaced on the tooth plate.

As a further solution of the present invention: the puncture head has a puncture channel, the inner wall of the puncture head is fixed with a rubber plug that blocks the puncture channel, the number of the rubber plug is two, and the two ends of the rubber plug are fixed. All have depressions.

As a further solution of the present invention: the connecting pipe includes a conduit connecting pipe and a draining pipe connecting pipe, and both the conduit connecting pipe and the draining pipe are provided with pagoda-shaped anti-skid patterns, so the The catheter connection pipe is sealedly connected to the catheter, and the drain pipe connection pipe is tightly connected to the drain pipe.

Compared with the prior art, the beneficial effects of the present utility model are:

1. By setting a constant pressure ball between the catheter and the drain pipe, at the beginning of the piercing, the on-off of the drain pipe is controlled by the blocking plate, so that the discharged fluid enters the constant pressure ball, which is convenient for medical staff. The sample liquid is extracted from the constant pressure ball through the puncture head for inspection, and there is no need to connect other catheters subsequently.

2. There is a puncture head on the constant pressure ball, and a limit part is formed between the puncture head and the constant pressure ball. The strap can be tied on the limit part, and then hung in a suitable position to control the pressure. , and the connection between the constant pressure ball and the catheter and the drain pipe is in a vertical direction, which will not cause bending and blockage of the pipe.

3. Through the elastic arms and toothed plate structure on both sides of the cutoff plate, it can realize the separate conduction control of the catheter and the drain pipe, and can control the flow rate, so it is convenient for medical staff to control during the operation.

Description of drawings

Fig. 1 is a kind of structural representation of the constant pressure drainage tube used for peritoneal puncture and drainage;

Figure 2 is a schematic structural diagram of a constant pressure ball in a constant pressure drainage tube used for intraperitoneal puncture and drainage;

Fig. 3 is a kind of structural schematic diagram of the shut-off plate in the constant pressure drainage pipe used for peritoneal puncture and drainage;

FIG. 4 is a schematic structural diagram of a puncture head in a constant pressure drainage tube for abdominal cavity puncture and drainage.

In the figure: 1, catheter; 2, drain; 3, constant pressure ball; 31, puncture head; 311, puncture channel; 312, rubber plug; 313, limit part; 32, connecting pipe; 321, catheter connection pipe; 322, drain pipe connection pipe; 4, shutoff plate; 401, pipe groove; 41, elastic arm; 42, tooth plate; 43, clip.

Detailed ways

Please refer to FIGS. 1 to 4. In the embodiment of the present invention, a constant pressure drainage tube for abdominal cavity puncture and drainage includes a catheter 1, a drainage tube 2 and a constant pressure ball 3. The bottom of the constant pressure ball 3 There are two connecting pipes 32, one connecting pipe 32 is connected with the catheter 1, the other connecting pipe 32 is connected with the draining pipe 2, the top of the constant pressure ball 3 is fixed with a puncture head 31, and the puncture head 31 is connected with the constant pressure ball. A limiting portion 313 is formed between 3 , and a blocking plate 4 is also sleeved on the catheter 1 and the drain pipe 2 , and the blocking plate 4 is located below the constant pressure ball 3 .

In FIG. 1 : it includes a catheter 1, a drainage pipe 2 and a constant pressure ball 3. The bottom of the constant pressure ball 3 has two connecting pipes 32, one of which is connected to the catheter 1, and the catheter 1 One end is inserted into the abdominal cavity through a puncture needle, the other end is connected with one of the connecting pipes 32 at the bottom of the constant pressure ball 3, the other connecting pipe 32 is connected with the drainage pipe 2, and the other end of the drainage pipe 2 is connected with a drainage bag, The top of the constant pressure ball 3 is fixed with a puncture head 31, and a limit portion 313 is formed between the puncture head 31 and the constant pressure ball 3. When the drainage starts, the pressure in the abdominal cavity is large, so when the constant pressure ball 3 is suspended in a suitable position, the guide The fluid will also fill the constant pressure ball 3. At this time, the puncture head 31 can be punctured to extract the peritoneal fluid in the constant pressure ball 3, but the drainage tube 2 must be closed by the blocking plate 4. The drainage pipe 2 can be opened, and the drainage pipe 1 and the drainage pipe 2 are also sleeved with a shut-off plate 4, and the shut-off plate 4 is located under the constant pressure ball 3, and the shut-off plate 4 can easily control the drainage pipe 1 and the discharge pipe. On-off status of liquid pipe 2.

In Figure 2: one of the connecting pipes 32 is connected to the catheter 1, the other connecting pipe 32 is connected to the drainage pipe 2, and the constant pressure ball 3 is used as a buffer unit in the drainage process, which can realize the detection and height of the liquid. Position control, and then realize the control of the pressure of the discharged fluid. When the fluid is discharged in the later stage, when the intra-abdominal pressure is the same as the hydraulic pressure generated by the height position of the constant pressure ball 3, there will be no flow, and the constant pressure state is reached, and the constant pressure ball The top of 3 is fixed with a puncture head 31, and a limit portion 313 is formed between the puncture head 31 and the constant pressure ball 3, through the limit portion 313, it is convenient for medical staff to fix the constant pressure ball 3 at a suitable height through a strap, and the connecting pipe Interference connection between 32 and the catheter 1 and the drainage pipe 2, and the catheter 1 and the drainage pipe 2 are rubber hoses, and the connecting pipe 32 is a plastic hard pipe, which is convenient for the catheter 1 and the drainage pipe 2 The connection with the connecting pipe 32. The connecting pipe 32 includes a catheter connecting pipe 321 and a drain pipe connecting pipe 322. The pipe connecting pipe 321 is tightly connected with the catheter 1, and the drainage pipe connecting pipe 322 is sealed with the drainage pipe 2. The pagoda-shaped anti-skid pattern can ensure the tightness of the connection between the catheter 1, the drainage pipe 2 and the connecting pipe 32. .

In FIG. 3 : the two sides of the blocking plate 4 have pipe grooves 401 for holding the catheter 1 and the drainage pipe 2 , the pipe groove 401 accommodates the catheter 1 and the drainage pipe 2, and the pipe groove 401 There are two elastic arms 41 on the outer side. The ends of the elastic arms 41 are fixed with mutually matched tooth plates 42. The tooth plates 42 have locking teeth 43. The locking teeth 43 on the two tooth plates 42 on the same side of the cutoff plate 4 are in opposite directions. , and mesh with each other, the number of the latching teeth 43 is three, and they are equally spaced on the toothed plate 42. Through the structure of the elastic arm 41, the toothed plate 42 and the latching tooth 43, when the two elastic arms 41 are pressed, the two The latching teeth 43 on the toothed plate 42 are engaged with each other, so the area of the pipe groove 401 is changed, and the catheter 1 and the drain pipe 2 are squeezed.

In FIG. 4 : the puncture head 31 has a puncture channel 311, the inner wall of the puncture head 31 is fixed with a rubber plug 312 blocking the puncture channel 311, the number of the rubber plugs 312 is two, and both ends have concave parts, through the The rubber plug 312 is convenient for the puncture needle to be inserted into the constant pressure ball 3, and the rubber plug 312 ensures that the liquid will not flow out.

The working principle of the present invention is as follows: one end of the catheter 1 is inserted into the abdominal cavity through a puncture needle, the other end is connected with one of the connecting pipes 32 at the bottom of the constant pressure ball 3, and the other connecting pipe 32 is connected with the drainage pipe 2, The other end of the drainage tube 2 is connected with a drainage bag, a puncture head 31 is fixed on the top of the constant pressure ball 3, and a limit part 313 is formed between the puncture head 31 and the constant pressure ball 3. When the drainage starts, the pressure in the abdominal cavity is large, so When the constant pressure ball 3 is suspended in a suitable position, the diversion fluid will also fill the constant pressure ball 3. At this time, the puncture head 31 can be punctured by a syringe to extract the abdominal fluid in the constant pressure ball 3. The liquid pipe 2 is closed, and the discharge pipe 2 can be opened only after the extraction and detection is completed. When the liquid is discharged in the later stage, when the pressure in the abdominal cavity is the same as the hydraulic pressure generated by the height position of the constant pressure ball 3, there will be no flow, and the constant pressure is reached. In the state of pressure, the catheter 1 and the drainage pipe 2 are also sleeved with a shut-off plate 4, and the shut-off plate 4 is located below the constant pressure ball 3, and the shut-off plate 4 can easily control the flow of the catheter 1 and the drainage pipe 2. In the on-off state, through the structure of the elastic arm 41, the toothed plate 42 and the locking teeth 43, when the two elastic arms 41 are pressed, the locking teeth 43 on the two toothed plates 42 are engaged with each other, thus changing the area of the pipe groove 401, Squeeze the catheter 1 and the drainage tube 2, and the constant pressure ball 3 is used as a buffer unit in the drainage process, which can realize the detection of the liquid and the control of the height position, thereby realizing the control of the pressure of the discharged liquid, and the constant pressure. The connection between the pressure ball 3 and the catheter 1 and the drain pipe 2 is in a vertical direction, which will not cause bending and blockage of the pipe.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The technical solution of the utility model and its utility model concept are equivalently replaced or changed, and should be covered within the protection scope of the present utility model.

Claims (7)

1. The utility model provides a constant voltage fluid-discharge tube that abdominocentesis drainage used, its characterized in that includes catheter (1), fluid-discharge tube (2) and constant voltage ball (3), the bottom of constant voltage ball (3) has two connecting pipes (32), one of them connecting pipe (32) with catheter (1) is connected, another connecting pipe (32) with fluid-discharge tube (2) are connected, the top of constant voltage ball (3) is fixed with puncture head (31), puncture head (31) with form spacing portion (313) between constant voltage ball (3), catheter (1) with still the cover is equipped with on fluid-discharge tube (2) and intercepts board (4), just it is located to intercept board (4) the below of constant voltage ball (3).

2. The constant-pressure drain pipe for introducing liquid during abdominal puncture according to claim 1, wherein the connecting pipe (32) is in interference fit connection with the liquid guide pipe (1) and the drain pipe (2), the liquid guide pipe (1) and the drain pipe (2) are rubber hoses, and the connecting pipe (32) is a plastic hard pipe.

3. The constant-pressure drainage pipe for introducing liquid during abdominal puncture according to claim 1, characterized in that the intercepting plate (4) has pipe grooves (401) for holding the drainage pipe (1) and the drainage pipe (2) on both sides, the outside of the pipe grooves (401) has two elastic arms (41), the ends of the elastic arms (41) are fixed with mutually-matched toothed plates (42), and the toothed plates (42) have latch teeth (43).

4. The constant-pressure drain pipe for the drainage of abdominal puncture according to claim 3, wherein the latch teeth (43) of the two toothed plates (42) on the same side of the cut-off plate (4) are opposite in direction and meshed with each other.

5. The constant-pressure drain pipe for the drainage of abdominal puncture according to claim 3, characterized in that the number of said latch teeth (43) is three, and they are equidistantly distributed on said toothed plate (42).

6. The constant-pressure liquid discharge pipe for the liquid drainage of the abdominal puncture according to claim 1, wherein the puncture head (31) is provided with a puncture channel (311), a rubber plug (312) for blocking the puncture channel (311) is fixed on the inner wall of the puncture head (31), the number of the rubber plugs (312) is two, and both ends of the rubber plugs are provided with a concave part.

7. The constant-pressure drain pipe for introducing liquid during abdominal puncture as claimed in claim 1, wherein said connecting pipe (32) comprises a catheter connecting pipe (321) and a drain pipe connecting pipe (322), said catheter connecting pipe (321) and said drain pipe connecting pipe (322) both have pagoda-shaped anti-skid patterns thereon, said catheter connecting pipe (321) is sealingly connected with said catheter (1), and said drain pipe connecting pipe (322) is sealingly connected with said drain pipe (2).

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