CN209808446U - Four-cavity two-bag tube with one-way backflow-preventing and air leakage valve - Google Patents

Abstract

The utility model relates to a two bag pipes in four chambeies with one-way anti-reflux gas leakage valve, including the main pipe body, main pipe body front end is equipped with imbibition mouth, stomach fundus bag and oesophagus bag, and main pipe body inside has set up mutually independent main lumen, first bronchus and second bronchus along the length direction of main pipe body, and main pipe body rear end is connected with the main joint, first bronchus and second bronchus, the main joint passes through main lumen and imbibition mouth intercommunication, and first bronchus passes through first bronchus and stomach fundus bag intercommunication, and second bronchus passes through second bronchus and oesophagus bag intercommunication; the method is characterized in that: and one-way anti-backflow sealing valves which enable fluid to only flow from outside to inside are arranged in the main joint, the first branch joint and the second branch joint. The utility model discloses a set up one-way backflow-preventing sealed flap in each connects, both can prevent the risk that gasbag gas leakage and gastric juice refluence from taking place, can in time absorb the secretion of hematocele and oral cavity inflow in the esophagus again, avoid arousing patient's suffocation because of gastric juice refluxes into the trachea.

Description

Four-cavity two-bag tube with one-way backflow-preventing and air leakage valve

Technical Field

The utility model relates to a four-cavity two-bag tube with an one-way backflow-preventing gas leakage valve, belonging to the technical field of medical instruments.

Background

In clinic, a three-cavity two-sac tube is often used for treating patients with massive hemorrhage of digestive tract caused by esophageal-gastric fundus varices rupture, and comprises a gastric lumen, a gastric fundus air injection lumen, an esophageal sac air injection lumen, a gastric sac and an esophageal sac. When in clinical application, the stomach fundus and the esophagus air bags are sequentially inflated through the air injection pipes of the air bags, the external traction and the timed deflation of the two air bags are performed in parallel, the traction is released, and the pressure of the air bags is utilized to directly press the blood vessels broken by the esophageal-stomach fundus varices so as to achieve the purpose of stopping bleeding.

However, the three-cavity two-sac tube has the disadvantages in clinical application, which are mainly shown in that: 1. after the stomach and the esophagus air bag are pressed, the bleeding in the esophagus and the secretion flowing in the oral cavity above the esophagus air bag can not be removed in time, whether the esophageal venous plexus stanchs or not can not be known in time, and meanwhile, the backflow and the aspiration are easy to cause the discomfort of the patient caused by choking and even the lung infection; 2. before intermittent deflation, patients need to be ordered to take paraffin oil or other lubricating liquid orally to reduce the damage of the air sac wall to the pressed esophagus and gastric mucosa, but part of patients cannot take the liquid orally or have no swallowing function, so that the risk of aspiration, injury of the esophagus and gastric mucosa and secondary bleeding is increased; 3. after the air bag is inflated, in order to prevent air leakage, the air tube cavity is clamped by hemostatic forceps or other clamps, unnecessary troubles and extra traction weight are added for clinic, air leakage is easily caused when the air injection tube cavity is separated from the air injection device, the traction treatment effect is affected, the pain of a patient and the tube placing time are increased, and the rescue rate of the patient is reduced.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a four-cavity two-bag tube with an one-way backflow-preventing gas leakage valve, which has the advantages of ingenious structure, reasonable design and convenient operation.

According to the utility model provides a technical scheme: the four-cavity two-sac tube with the one-way backflow-preventing gas leakage valve comprises a main tube body, wherein the front end of the main tube body is provided with a liquid suction port, a stomach fundus sac and an esophageal sac, a main tube cavity, a first branch tube cavity and a second branch tube cavity which are mutually independent are arranged in the main tube body along the length direction of the main tube body, the rear end of the main tube body is connected with a main joint, a first branch joint and a second branch joint, the main joint is communicated with the liquid suction port through the main tube cavity, the first branch joint is communicated with the stomach fundus sac through the first branch tube cavity, and the second branch joint is communicated with the esophageal sac through the second branch tube cavity; the method is characterized in that: and one-way anti-backflow sealing valves which enable fluid to only flow from outside to inside are arranged in the main joint, the first branch joint and the second branch joint.

As a further improvement, be responsible for and seted up the esophagus chamber on the lateral wall that the body front end lies in position behind the oesophagus sac and attract the injection mouth, be responsible for the internal portion along the length direction who is responsible for the body seted up with the third branch pipe chamber that main pipe chamber, first branch pipe chamber and second branch pipe chamber separate, it is connected with the third branch and connects to be responsible for the body rear end, the third branch connects and attracts the injection mouth intercommunication through third branch pipe chamber and esophagus chamber, is provided with the sealed flap of one-way anti-reflux in the third branch connects equally.

As a further improvement of the utility model, as the utility model discloses a further improvement, one-way anti-reflux sealed valve includes the toper elastic membrane, on the inner wall that the big head end outside limit of toper elastic membrane sealed fixed connection respectively connected, the tip of toper elastic membrane was seted up on the toper elastic membrane lateral wall towards the front end that each connects, extends to the most advanced joint-cutting of toper elastic membrane.

As a further improvement, the one-way sealed valve of preventing backflowing still includes a toper support section of thick bamboo, a toper support section of thick bamboo sets up at toper elastic membrane rear, and the shape that a toper supported a section of thick bamboo matches with the shape of toper elastic membrane piece, and toper support section of thick bamboo center trompil just has elastic energy and is strutted.

As a further improvement, the conical elastic membrane is made of high polymer polyurethane material, and the conical supporting cylinder is made of rubber or silica gel material.

As a further improvement of the present invention, the four-cavity two-bag tube further comprises a tube divider, one end of the tube divider is connected to the rear end of the main tube body, a main chamber, a first branch chamber, a second branch chamber and a third branch chamber which are independent of each other are arranged in the tube divider, the main chamber is communicated with the main tube cavity, the first branch chamber is communicated with the first branch tube cavity, the second branch chamber is communicated with the second branch tube cavity, and the third branch chamber is communicated with the third branch tube cavity; the main joint, the first branch joint, the second branch joint and the third branch joint are connected to the pipe divider and correspondingly communicated with the main chamber, the first branch chamber, the second branch chamber and the third branch chamber respectively.

As a further improvement of the utility model, the main joint, first branch joint, second branch joint and third branch joint and the pipe divider between be connected for dismantling, the interface after each joint is pulled down has set the sealing plug.

As a further improvement of the utility model, the front end part of the main pipe body is smooth and closed, and a plurality of liquid suction ports are arranged on the side wall between the front end part of the main pipe body and the stomach fundus sac.

As a further improvement, the aperture of the liquid suction port is 1-1.5 mm.

As a further improvement of the utility model, the length of the stomach fundus sac along the main tube body is less than that of the esophagus sac along the main tube body.

Compared with the prior art, the utility model, have following advantage:

1) the utility model discloses the structure is ingenious, and reasonable in design through set up one-way backflow-preventing sealed flap in each connects, makes the utility model discloses both can prevent to take place the risk that gasbag leaked gas and gastric juice refluxes, can in time absorb the secretion that hematocele and oral cavity flowed in the esophagus again simultaneously, avoid arousing patient stifling because of gastric juice refluxes the admission pipe.

2) The utility model discloses having add the esophagus chamber and having attracted injection mouth, third branch pipe chamber and third branch joint, can follow third branch pipe chamber and inject hemostatic medicine or paraffin oil or other lubricated liquid in clinical use, do benefit to esophagus bag and stomach fundus bag and be interrupted the gassing, prevent esophagus stomach fundus mucosa erosion, shorten and put the pipe time, reduce the complication and take place.

3) The utility model provides a novel ingenious one-way sealed valve structure of preventing backflowing, toper elastic membrane have the toper to support a section of thick bamboo and provide the support, can hug closely on a toper support section of thick bamboo when toper elastic membrane receives reverse effort, can avoid toper elastic membrane to open because reverse collapse, effectively prevent backflow and gas leakage, guaranteed the one-way sealing performance who prevents the sealed valve of backflowing.

Drawings

Fig. 1 is a schematic diagram of the structure of the embodiment of the present invention.

Fig. 2 is a sectional view a-a in fig. 1.

Figure 3 is a schematic diagram of the connection of a syringe to a fitting.

Figure 4 is a schematic diagram of the connection of a syringe to a fitting.

Fig. 5 is an enlarged schematic view of a portion B in fig. 1.

Fig. 6 is a view taken along direction C in fig. 5.

Description of reference numerals: 1-main tube body, 2-liquid suction port, 3-stomach fundus, 4-oesophagus, 5-main tube cavity, 6-first branch tube cavity, 7-second branch tube cavity, 8-third branch tube cavity, 9-tube separator, 9 a-main chamber, 9 b-first branch chamber, 9 c-second branch chamber, 9 d-third branch chamber, 10-main joint, 11-first branch joint, 12-second branch joint, 13-third branch joint, 14-one-way backflow prevention sealing valve, 14.1-conical elastic membrane, 14.1 a-cutting joint, 14.2-conical support cylinder, 15-esophagus suction injection port, 16-injector nipple and 17-connecting pipeline.

Detailed Description

The invention is further described with reference to the following specific drawings and examples.

As shown in fig. 1 and fig. 2, the embodiment discloses a four-cavity two-pouch tube with a one-way backflow-preventing gas leakage valve, which comprises a main tube body 1, wherein the front end of the main tube body 1 is provided with a liquid suction port 2, a stomach fundus 3 and an esophageal pouch 4, the main tube body 1 is internally provided with a main tube cavity 5, a first branch tube cavity 6 and a second branch tube cavity 7 which are mutually independent along the length direction of the main tube body 1, the rear end of the main tube body 1 is connected with a main joint 10, a first branch joint 11 and a second branch joint 12, the main joint 10 is communicated with the liquid suction port 2 through the main tube cavity 5, the first branch joint 11 is communicated with the stomach fundus 3 through the first branch tube cavity 6, and the second branch joint 12 is communicated with the esophageal pouch 4 through the second branch tube cavity 7; and one-way anti-backflow sealing valves 14 which enable fluid to flow only from outside to inside are arranged in the main joint 10, the first branch joint 11 and the second branch joint 12.

As shown in fig. 3 and 4, the one-way backflow-preventing sealing valve 14 is arranged in each joint, so that when the syringe nipple 16 or other connecting pipelines 17 are not inserted into each joint, the one-way backflow-preventing sealing valve 14 in each joint is automatically closed, and the air leakage of the air bag and the backflow of gastric juice are prevented. When a syringe nipple 16 or other connecting pipelines 17 are inserted into the connector, the one-way backflow-preventing sealing valve 14 is penetrated by the syringe nipple 16 or other connecting pipelines 17, so that the pipelines are unblocked. Thus, the utility model can prevent the risk of air leakage of the air bag and the backflow of gastric juice, and can timely absorb the hematocele in the esophagus and the secretion flowing into the oral cavity, thereby avoiding suffocation of patients caused by the backflow of gastric juice into the trachea.

As shown in fig. 1 and 2, in this embodiment, an esophageal cavity suction and injection port 15 is disposed on a side wall of a front end of the main tube 1 located behind the esophageal pouch 4, a third branch tube cavity 8 separated from the main tube cavity 5, the first branch tube cavity 6 and the second branch tube cavity 7 is disposed inside the main tube 1 along a length direction of the main tube 1, a third branch joint 13 is connected to a rear end of the main tube 1, the third branch joint 13 is communicated with the esophageal cavity suction and injection port 15 through the third branch tube cavity 8, and a one-way backflow-preventing sealing flap 14 is also disposed in the third branch joint 13. So set up, can follow third bronchus 8 injection hemostatics or paraffin or other lubricating liquids in the clinical use, do benefit to esophagus bag and stomach fundus bag and be interrupted the gassing, prevent esophagus stomach fundus mucosa erosion, shorten and put the pipe time, reduce the complication and take place.

As shown in fig. 5 and 6, in this embodiment, the one-way backflow-preventing sealing flap 14 includes a conical elastic membrane 14.1, an outer side edge of a large end of the conical elastic membrane 14.1 is fixedly connected to an inner wall of each joint in a sealing manner, a tip of the conical elastic membrane 14.1 faces a front end of each joint, and a slit 14.1a extending to the tip of the conical elastic membrane 14.1 is formed on a side wall of the conical elastic membrane 14.1. So configured, when the injector nipple 16 or other connecting pipeline 17 is inserted, the conical elastic membrane 14.1 will be opened, and when the injector nipple 16 or other connecting pipeline 17 is withdrawn, the cut 14.1a of the conical elastic membrane 14.1 will be closed, preventing backflow and air leakage.

As shown in fig. 5 and 6, in this embodiment, the one-way backflow-preventing sealing flap 14 further includes a tapered support cylinder 14.2, the tapered support cylinder 14.2 is disposed behind the tapered elastic membrane 14.1, the shape of the tapered support cylinder 14.2 matches the shape of the piece of the tapered elastic membrane 14.1, and the tapered support cylinder 14.2 is provided with a central opening and has elastic properties to be expanded. With the arrangement, when liquid or gas reversely flows to the one-way backflow-preventing sealing valve 14, the conical elastic membrane 14.1 can bear reverse acting force and cling to the conical supporting cylinder 14.2, so that the conical elastic membrane 14.1 is prevented from opening due to reverse collapse, and the sealing performance of the one-way backflow-preventing sealing valve 14 is ensured.

In this embodiment, the conical elastic membrane 14.1 is preferably made of a high polymer polyurethane material, and the conical support cylinder 14.2 is preferably made of a rubber or silicone material. By the arrangement, the sealing performance of the one-way backflow-preventing sealing valve 14 can be ensured.

As shown in fig. 1, in this embodiment, the four-lumen two-capsule tube further includes a tube divider 9, one end of the tube divider 9 is connected to the rear end of the main tube body 1, a main chamber 9a, a first branch chamber 9b, a second branch chamber 9c and a third branch chamber 9d which are independent of each other are arranged in the tube divider 9, the main chamber 9a is communicated with the main tube cavity 5, the first branch chamber 9b is communicated with the first branch tube cavity 6, the second branch chamber 9c is communicated with the second branch tube cavity 7, and the third branch chamber 9d is communicated with the third branch tube cavity 8; the main joint 10, the first branch joint 11, the second branch joint 12 and the third branch joint 13 are connected to the pipe divider 9 and are respectively communicated with the main chamber 9a, the first sub-chamber 9b, the second sub-chamber 9c and the third sub-chamber 9 d. The main joint 10, the first branch joint 11, the second branch joint 12 and the third branch joint 13 are preferably detachably connected with the pipe divider 9, and the joints after the joints are detached are provided with sealing plugs. So set up, can connect according to actual demand erection to if the sealed flap 14 of one-way anti-reflux in certain joint has a problem, only need to correspond change this connect can, need not to change new pipe, reduced use cost, and avoided the painful of repeated pipe setting for the patient causes.

As shown in fig. 1, in this embodiment, the front end of the main tube 1 is smooth and closed, and a plurality of liquid suction ports 2 are disposed on the side wall between the front end of the main tube 1 and the stomach fundus 3. So set up, both can avoid causing the patient to accomplish no dead angle imbibition, guarantee that the imbibition is thorough. The aperture of the liquid suction port 2 is preferably set to be 1-1.5 mm.

In the present embodiment, as shown in fig. 1, the length of the gastric fundus 3 along the main tube 1 is smaller than the length of the esophageal pouch 4 along the main tube 1. The device is more in line with the physiological structure characteristics in the human body, and the clinical use is more reliable and convenient.

The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Within the scope of the technical idea of the present invention, various modifications and alterations can be made, and any person skilled in the art can make modifications, amendments or equivalent replacements according to the above description, all belonging to the protection scope of the present invention.

Claims (10)

1. The four-cavity two-sac tube with the one-way backflow-preventing and gas leakage valve comprises a main tube body (1), wherein the front end of the main tube body (1) is provided with a liquid suction port (2), a stomach fundus sac (3) and an oesophagus sac (4), the main tube body (1) is internally provided with a main tube cavity (5), a first branch tube cavity (6) and a second branch tube cavity (7) which are mutually independent along the length direction of the main tube body (1), the rear end of the main tube body (1) is connected with a main joint (10), a first branch joint (11) and a second branch joint (12), the main joint (10) is communicated with the liquid suction port (2) through the main tube cavity (5), the first branch joint (11) is communicated with the stomach fundus sac (3) through the first branch tube cavity (6), and the second branch joint (12) is communicated with the oesophagus sac (4) through the second branch tube cavity (7); the method is characterized in that: and one-way anti-backflow sealing valves (14) which enable fluid to flow only from outside to inside are arranged in the main joint (10), the first branch joint (11) and the second branch joint (12).

2. The four-lumen two-balloon catheter with one-way anti-reflux air-leakage valve according to claim 1, wherein: the utility model discloses a medical device, including main pipe body (1), first branch pipe chamber (6) and second branch pipe chamber (7), be provided with esophagus chamber attraction injection mouth (15) on the lateral wall that is located esophagus bag (4) back position at main pipe body (1) front end, main pipe body (1) inside along the length direction who is responsible for main pipe body (1) seted up with main pipe chamber (5), first branch pipe chamber (6) and second branch pipe chamber (7) separate third branch pipe chamber (8), main pipe body (1) rear end is connected with third branch connects (13), third branch connects (13) and attracts injection mouth (15) intercommunication in esophagus chamber through third branch pipe chamber (8), is provided with sealed flap (14) of one-way anti-reflux in third branch connects (13) equally.

3. The four-chamber two-bag tube with the one-way backflow-preventing air leakage valve as claimed in claim 1 or 2, wherein: the one-way backflow-preventing sealing valve (14) comprises a conical elastic membrane (14.1), the outer side edge of the large end of the conical elastic membrane (14.1) is fixedly connected with the inner wall of each joint in a sealing mode, the tip of the conical elastic membrane (14.1) faces the front end of each joint, and a cutting seam (14.1a) extending to the tip of the conical elastic membrane (14.1) is formed in the side wall of the conical elastic membrane (14.1).

4. The four-lumen two-balloon catheter with one-way anti-reflux air-leakage valve according to claim 3, wherein: the one-way backflow-preventing sealing valve (14) further comprises a conical supporting cylinder (14.2), the conical supporting cylinder (14.2) is arranged behind the conical elastic membrane (14.1), the shape of the conical supporting cylinder (14.2) is matched with that of a piece of the conical elastic membrane (14.1), and the center of the conical supporting cylinder (14.2) is provided with a hole and has elastic performance to be stretched.

5. The four-lumen two-balloon catheter with one-way anti-reflux air-leakage valve according to claim 4, wherein: the conical elastic membrane (14.1) is made of high-molecular polyurethane material, and the conical supporting cylinder (14.2) is made of rubber or silica gel material.

6. The four-lumen two-balloon catheter with one-way anti-reflux air-leakage valve according to claim 2, wherein: the four-cavity two-bag tube further comprises a tube divider (9), one end of the tube divider (9) is connected to the rear end of the main tube body (1), a main chamber (9a), a first branch chamber (9b), a second branch chamber (9c) and a third branch chamber (9d) which are independent of each other are arranged in the tube divider (9), the main chamber (9a) is communicated with the main tube cavity (5), the first branch chamber (9b) is communicated with the first branch tube cavity (6), the second branch chamber (9c) is communicated with the second branch tube cavity (7), and the third branch chamber (9d) is communicated with the third branch tube cavity (8); the main joint (10), the first branch joint (11), the second branch joint (12) and the third branch joint (13) are connected to the pipe divider (9) and are correspondingly communicated with the main chamber (9a), the first branch chamber (9b), the second branch chamber (9c) and the third branch chamber (9d) respectively.

7. The four-lumen two-balloon catheter with one-way anti-reflux air-leakage valve according to claim 1, wherein: the main joint (10), the first branch joint (11), the second branch joint (12) and the third branch joint (13) are detachably connected with the pipe divider (9), and joints after the joints are detached are provided with sealing plugs.

8. The four-lumen two-balloon catheter with one-way anti-reflux air-leakage valve according to claim 1, wherein: the front end of the main tube body (1) is smooth and closed, and a plurality of liquid suction ports (2) are arranged on the side wall between the front end of the main tube body (1) and the stomach fundus sac (3).

9. The four-lumen two-balloon catheter with one-way anti-reflux air-leakage valve according to claim 6, wherein: the aperture of the liquid suction port (2) is 1-1.5 mm.

10. The four-lumen two-balloon catheter with one-way anti-reflux air-leakage valve according to claim 1, wherein: the length of the stomach fundus pouch (3) along the main tube body (1) is less than the length of the esophageal pouch (4) along the main tube body (1).