CN214969279U

CN214969279U - Gastrointestinal drainage nutrition tube

Info

Publication number: CN214969279U
Application number: CN202022281526.5U
Authority: CN
Inventors: 王鸣; 陈孝; 严芝强; 杨芳; 程永鹏
Original assignee: Second Medical Center of PLA General Hospital
Current assignee: Second Medical Center of PLA General Hospital
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-12-03
Anticipated expiration: 2030-10-14

Abstract

The utility model provides a gastrointestinal drainage nutrition tube. The gastrointestinal drainage nutrition tube comprises an outer sleeve, a backflow prevention mechanism, an anti-blocking mechanism and a dredging mechanism, a drainage tube, a nutrition tube and an inflation tube are fixedly arranged in the outer sleeve, a drainage through hole penetrating through the outer sleeve is formed in the tail of the drainage tube, the nutrition tube extends out of the tail of the outer sleeve and is fixedly provided with a nutrition output ball, a spiral track is formed in the inner tube wall of the nutrition tube, and a feeding through hole is formed in the nutrition output ball; the backflow prevention mechanism is fixedly installed on the inner pipe wall of the drainage pipe and comprises an arc-shaped baffle, a fixing plate and a spring, the arc-shaped baffle is installed on the inner pipe wall of the drainage pipe, the arc-shaped baffle is located at the position of the drainage through hole and is elastically connected with the fixing plate through the spring, the fixing plate is installed on the inner pipe wall of the drainage pipe, and the fixing plate is located on the same side of the arc-shaped baffle. The utility model provides a stomach and intestine drainage nutrition tube has the advantages of anti-backflow, anti-clogging and easy washing.

Description

Gastrointestinal drainage nutrition tube

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a stomach and intestine drainage nutrition tube.

Background

Clinically, malignant tumors easily cause pylorus or duodenal obstruction, so that patients have the problems of intractable nausea, vomiting, no eating and the like, and the general failure is often caused, thereby endangering life. Therefore, the patients are subjected to gastric drainage and decompression and enteral nutrition treatment. Patients with acute pancreatitis also need to undergo gastric drainage and decompression and enteral nutrition treatment clinically. The gastrointestinal nutrition tube is a special gastrointestinal tube designed for enteral nutrition, diagnosis, treatment and monitoring of severe patients, and is mostly made of a PVC hose material.

When the gastrointestinal nutrient tube is used, the gastrointestinal nutrient tube needs to be inserted into the stomach and intestine, fluid nutrients in the gastrointestinal nutrient tube flow out through a through groove reserved at the front end of the gastrointestinal nutrient tube, and the fluid nutrients are easy to be silted and retained at the position due to the narrow flowing space at the position; when the gastrointestinal nutrient canal is used, when fluid nutrition inside the gastrointestinal nutrient canal is deposited and blocked, the gastrointestinal nutrient canal is inconvenient to dredge; the condition that drainage matters flow backwards due to improper operation can occur in the use process of the gastric drainage tube.

Therefore, there is a need to provide a new gastrointestinal drainage feeding tube to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a gastrointestinal drainage nutrition tube which has the functions of preventing backflow and blockage and is easy to wash.

The utility model provides a stomach and intestine drainage nutrition tube includes: the device comprises an outer sleeve, a backflow preventing mechanism, an anti-blocking mechanism and a dredging mechanism, wherein a drainage tube, a nutrition tube and an inflation tube are fixedly arranged in the outer sleeve, a drainage through hole penetrating through the outer sleeve is formed in the tail part of the drainage tube, the nutrition tube extends out of the tail part of the outer sleeve and is fixedly provided with a nutrition output ball, two spiral tracks are formed in the inner tube wall of the nutrition tube, and a nutrition supply through hole is formed in the nutrition output ball; the backflow preventing mechanism for preventing the drainage object from flowing backwards is fixedly arranged on the inner pipe wall of the drainage pipe, the backflow preventing mechanism comprises an arc-shaped baffle, a fixing plate and a spring, the arc-shaped baffle is rotatably arranged on the inner pipe wall of the drainage pipe, the arc-shaped baffle is positioned at the drainage through hole and is elastically connected with the fixing plate through the spring, the fixing plate is fixedly arranged on the inner pipe wall of the drainage pipe, and the fixing plate is positioned on the same side of the arc-shaped baffle; the anti-blocking mechanism for preventing the nutrient output ball on the nutrient canal from being blocked is arranged on the inner wall of the tail part of the nutrient canal; the dredging mechanism for dredging the blocked nutrient canal is arranged on the inner wall of the nutrient canal.

Preferably, prevent that stifled mechanism includes rotating ring, arc scraper, control line, stopper and control lever, the rotating ring install in the spout of seting up on the pipe wall in the nutrition tube and with spout sliding connection, arc scraper fixed mounting is on the rotating ring, and ball wall sliding connection in arc scraper and the nutrition output ball, the one end of control line falls into two strands and fixed mounting respectively at the rotating ring both ends, and the other end of control line passes the external section and the fixed mounting of nutrition tube has the control lever, the control lever rotates the cover with the control line junction and is equipped with the stopper.

Preferably, the dredging mechanism comprises a dredging rod and a traction rope, two ends of the dredging rod are arranged in the spiral track and are in sliding connection with the spiral track, one end of the traction rope is fixedly arranged on the dredging rod, and the other end of the traction rope penetrates through the outer section of the nutrient canal and extends out of the nutrient canal.

Preferably, the outer sleeve is fixedly sleeved with an annular air bag, the annular air bag is arranged close to the tail end of the nutrient canal, and the annular air bag is communicated with the inflation tube.

Preferably, the openings of the outer sections of the drainage tube and the nutrition tube are provided with sealing plugs which are arranged in a matched mode.

Preferably, an inflation valve is fixedly installed on an opening of the outer section of the inflation tube body.

Preferably, a lead is inserted into the inflation tube, one end of the lead passes through the outer section of the inflation tube and extends out of the inflation tube, and an infrared detection head positioned at the top of the nutrition output ball is fixedly installed at the other end of the lead.

Compared with the prior art, the utility model provides a stomach and intestine drainage nutrition tube has following beneficial effect:

1. the utility model is provided with the backflow prevention mechanism which can expand towards two sides when the drainage object enters the drainage tube from the drainage through hole, so that the drainage object can pass through smoothly without affecting the backflow prevention function, when the drainage object flows backwards in the drainage tube, the arc baffle plate is rotated to the drainage through hole by the impact force of the drainage object to block the drainage through hole, thereby reducing the possibility that the drainage object flows backwards into the stomach;

2. when thick liquid nutrients or medicines with overlarge particles are blocked in the nutrient output ball and can not enter the empty intestine through the feeding through hole, the anti-blocking mechanism arranged on the utility model controls the arc-shaped scraper to slide along the inner wall of the nutrient output ball to break up the nutrients, so that the nutrients can enter the empty intestine through the feeding through hole; the utility model discloses the mediation pole among the mediation mechanism that goes up to set up slides along spiral orbit when the nutrition tube is plugged up to break up the nutrient and wash away, dredge the nutrition tube under the mating reaction of anti-blocking mechanism and normal saline.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the gastrointestinal drainage nutrient canal provided by the present invention;

FIG. 2 is a schematic structural view of the backflow prevention mechanism shown in FIG. 1;

FIG. 3 is a schematic structural view of the anti-blocking mechanism shown in FIG. 1;

fig. 4 is a schematic structural view of the dredging mechanism shown in fig. 1.

Reference numbers in the figures: 1. the device comprises an outer sleeve, 2, a drainage tube, 3, a nutrition tube, 4, an inflation tube, 5, a drainage through hole, 6, a nutrition output ball, 7, a backflow prevention mechanism, 71, an arc baffle, 72, a fixing plate, 73, a spring, 8, an anti-blocking mechanism, 81, a rotating ring, 82, an arc scraper, 83, a control line, 84, a limiting block, 85, a control rod, 9, a dredging mechanism, 91, a dredging rod, 92, a traction rope, 9a, a feeding through hole, 9b, a spiral track, 9c, a lead, 9d and an annular air bag.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of the gastrointestinal drainage nutrient canal provided by the present invention; FIG. 2 is a schematic structural view of the backflow prevention mechanism shown in FIG. 1; FIG. 3 is a schematic structural view of the anti-blocking mechanism shown in FIG. 1; fig. 4 is a schematic structural view of the dredging mechanism shown in fig. 1. The method comprises the following steps: the outer sleeve 1, prevent the backflow mechanism 7, prevent stifled mechanism 8 and dredge mechanism 9.

In the specific implementation process, as shown in fig. 1, fig. 2 and fig. 4, a drainage tube 2, a nutrition tube 3 and an inflation tube 4 are fixedly installed in an outer sleeve 1, a drainage through hole 5 penetrating through the outer sleeve 1 is formed at the tail part of the drainage tube 2, the nutrition tube 3 extends out of the tail part of the outer sleeve 1 and is fixedly provided with a nutrition output ball 6, two spiral tracks 9b are formed on the inner pipe wall of the nutrition tube 3, and a nutrition through hole 9a is formed on the nutrition output ball 6; the backflow prevention mechanism 7 for preventing the drainage object from flowing backwards is fixedly arranged on the inner pipe wall of the drainage pipe 2, the backflow prevention mechanism 7 comprises an arc-shaped baffle 71, a fixing plate 72 and a spring 73, the arc-shaped baffle 71 is rotatably arranged on the inner pipe wall of the drainage pipe 2, the arc-shaped baffle 71 is positioned at the drainage through hole 5 and is elastically connected with the fixing plate 72 through the spring 73, the fixing plate 72 is fixedly arranged on the inner pipe wall of the drainage pipe 2, and the fixing plate 72 is positioned on the same side of the arc-shaped baffle 71; wherein, the openings of the outer sections of the drainage tube 2 and the nutrition tube 3 are respectively provided with a sealing plug which is arranged in a matching way.

It should be noted that: when a drainage object enters the drainage tube 2 from the drainage through hole 5, the arc-shaped baffle plate 71 at the drainage through hole 5 can be stretched, the drainage tube 2 enters the drainage tube through the arc-shaped baffle plate 71, the arc-shaped baffle plate 71 is stretched while pressing the spring 73, the spring 73 generates a reaction force, the situation that the arc-shaped baffle plate 71 is impacted by the drainage object to rotate to the other side without having a backflow prevention effect is avoided, if the drainage object flows backwards in the drainage tube 2, when the drainage object reaches the backflow prevention mechanism 7, the impact force of the drainage object rotates the arc-shaped baffle plate 71 to the drainage through hole 5 to block the drainage through hole 5, the possibility that the drainage object flows backwards into the stomach is reduced, the spring 73 is lengthened while the arc-shaped baffle plate 71 rotates, the spring 73 generates a tensile force, the arc-shaped baffle plate 71 returns to the original position after the backflow situation of the drainage object disappears, and resistance cannot be brought to the drainage.

Referring to fig. 3, an anti-blocking mechanism 8 for preventing the nutrient output ball 6 on the nutrient canal 3 from being blocked is installed on the inner wall of the tail part of the nutrient canal 3, and the anti-blocking mechanism 8 comprises a rotating ring 81, an arc-shaped scraper 82, a control line 83, a limiting block 84 and a control rod 85, the rotating ring 81 is installed in a chute formed in the inner wall of the nutrient canal 3 and is in sliding connection with the chute, the arc-shaped scraper 82 is fixedly installed on the rotating ring 81, the arc-shaped scraper 82 is in sliding connection with the inner wall of the nutrient output ball 6, one end of the control line 83 is divided into two strands and is respectively and fixedly installed at two ends of the rotating ring 81, the other end of the control line 83 penetrates through the outer section of the nutrient canal 3 and is fixedly installed with the control rod 85, and the limiting block 84 is rotatably installed at the connection part of the control rod 85 and the control line 83.

It should be noted that: when thick liquid nutrients or medicines with overlarge particles are blocked in the nutrition output ball 6 and cannot enter the intestines through the feeding through hole 9a, one hand holds the limiting block 84, the other hand rotates the control rod 85 to drive the control line 83 to rotate, the two lines on one end of the control line 83 are mutually wound together, the arc-shaped scraper 82 on the rotating ring 81 is further driven to slide along the inner wall of the nutrition output ball 6, and the thick liquid nutrients or the medicines with overlarge particles are scattered to enter the intestines through the feeding through hole 9 a.

Referring to fig. 4, a dredging mechanism 9 for dredging the blocked feeding tube 3 is installed on the inner tube wall of the feeding tube 3, the dredging mechanism 9 comprises a dredging rod 91 and a hauling rope 92, two ends of the dredging rod 91 are installed in the spiral track 9b and are slidably connected with the spiral track 9b, one end of the hauling rope 92 is fixedly installed on the dredging rod 91, and the other end of the hauling rope 92 passes through the outer section of the feeding tube 3 and extends out of the feeding tube 3; when the feeding tube 3 is blocked, the pull rope 92 is pulled to drive the dredging rod 91 to slide along the spiral track 9b, nutrients are scattered and washed away under the matching effect of the anti-blocking mechanism 8 and the normal saline, and the feeding tube 3 is dredged.

Referring to fig. 1, an annular air bag 9d is fixedly sleeved on an outer sleeve 1, the annular air bag 9d is arranged near the tail end of a nutrition tube 3, the annular air bag 9d is communicated with an inflation tube 4, an inflation valve is fixedly installed on an opening of an external section of the inflation tube 4, a lead 9c is inserted into the inflation tube 4, one end of the lead 9c penetrates through the external section of the inflation tube 4 and extends out of the inflation tube 4, and an infrared detector head located at the top of a nutrition output ball 6 is fixedly installed at the other end of the lead 9 c.

It should be noted that: the lead 9c is connected with an imager, the outer sleeve 1 is inserted into the nostril of a patient, a picture transmitted from an infrared probe on the imager is seen, the guide wire is operated to control the outer sleeve 1 to move in the body until the nutrition output ball 6 is positioned in the jejunum, the guide wire is taken out and then the inflation valve is opened to start inflating the annular air bag 9d through the inflation tube 4, the inflation valve is closed when the annular air bag 9d is inflated to a proper size, then the inflation is stopped, the inflated annular air bag 9d prevents the outer sleeve 1 from sliding out of the jejunum due to the actions of turning over and the like of the patient, medicines and nutrients are input into the jejunum through the nutrition tube 3 after the outer sleeve 1 is placed in the body, and the drainage in the stomach is led out of the body through the drainage tube 2.

The utility model provides a gastrointestinal drainage nutrition tube's theory of operation as follows:

connecting a lead 9c with an imager, inserting the outer sleeve 1 from the nostril of a patient, looking at a picture transmitted from an infrared probe on the imager, operating a guide wire to control the outer sleeve 1 to move in the body until a nutrition output ball 6 is positioned in the jejunum, taking out the guide wire, opening an inflation valve to start inflating the annular air bag 9d through the inflation tube 4, closing the inflation valve when the annular air bag 9d is inflated to a proper size, stopping inflating, avoiding the occurrence of the situation that the outer sleeve 1 slides out of the jejunum due to the turning over of the patient and the like, inputting medicines and nutrients into the jejunum through the nutrition tube 3 after the outer sleeve 1 is placed in the body, leading out the drainage in the stomach through the drainage tube 2, expanding the arc-shaped baffle 71 at the drainage through hole 5 when the drainage enters the drainage tube 2 from the drainage through hole 5, and entering the drainage tube 2 through the arc-shaped baffle 71, the arc-shaped baffle 71 is expanded and simultaneously presses the spring 73, so that the spring 73 generates a reaction force, the situation that the arc-shaped baffle 71 is impacted by a drainage object to rotate to the other side and does not play a role of backflow prevention is avoided, if the drainage object flows backwards in the drainage tube 2, when the drainage object reaches the backflow prevention mechanism 7, the impact force of the drainage object rotates the arc-shaped baffle 71 to the drainage through hole 5 to block the drainage through hole 5, the possibility that the drainage object flows backwards into the stomach is reduced, the arc-shaped baffle 71 rotates and simultaneously stretches the spring 73, so that the spring 73 generates a pulling force, the arc-shaped baffle 71 returns to the original position after the situation that the drainage object flows backwards disappears, and no resistance is brought to drainage; when thick fluid nutrients or medicine with overlarge particles are blocked in the nutrition output ball 6 and cannot enter the intestines through the feeding through hole 9a, one hand holds the limiting block 84, the other hand rotates the control rod 85 to drive the control line 83 to rotate, two lines at one end of the control line 83 are mutually wound together, the arc-shaped scraper 82 on the rotating ring 81 is further driven to slide along the inner wall of the nutrition output ball 6, and the thick fluid nutrients or medicine with overlarge particles are scattered to enter the intestines through the feeding through hole 9 a; when the nutrient canal 3 is blocked, the hauling rope 92 is pulled to bring the dredging rod 91 to slide along the spiral track 9b, nutrients are scattered and washed away under the coordination of the normal saline, and the nutrient canal 3 is dredged.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A gastrointestinal drainage feeding tube, comprising:

the nutrition feeding device comprises an outer sleeve (1), wherein a drainage tube (2), a nutrition tube (3) and an inflation tube (4) are fixedly installed in the outer sleeve (1), a drainage through hole (5) penetrating through the outer sleeve (1) is formed in the tail portion of the drainage tube (2), the nutrition tube (3) extends out of the tail portion of the outer sleeve (1) and is fixedly provided with a nutrition output ball (6), two spiral tracks (9b) are formed in the inner wall of the nutrition tube (3), and a nutrition feeding through hole (9a) is formed in the nutrition output ball (6);

the backflow prevention mechanism (7) is used for preventing backflow of drainage objects, the backflow prevention mechanism (7) is fixedly arranged on the inner pipe wall of the drainage pipe (2), the backflow prevention mechanism (7) comprises an arc-shaped baffle plate (71), a fixing plate (72) and a spring (73), the arc-shaped baffle plate (71) is rotatably arranged on the inner pipe wall of the drainage pipe (2), the arc-shaped baffle plate (71) is located at the drainage through hole (5) and is elastically connected with the fixing plate (72) through the spring (73), the fixing plate (72) is fixedly arranged on the inner pipe wall of the drainage pipe (2), and the fixing plate (72) is located on the same side of the arc-shaped baffle plate (71);

the anti-blocking mechanism (8) is used for preventing the nutrient output ball (6) on the nutrient tube (3) from being blocked, and the anti-blocking mechanism (8) is arranged on the inner tube wall at the tail part of the nutrient tube (3);

the dredging mechanism (9) for dredging the blocked nutrient canal (3) is arranged on the inner wall of the nutrient canal (3).

2. The gastrointestinal drainage nutrition tube of claim 1, wherein the anti-blocking mechanism (8) comprises a rotating ring (81), an arc-shaped scraper (82), a control wire (83), a limiting block (84) and a control rod (85), the rotating ring (81) is installed in a sliding groove formed in the inner tube wall of the nutrition tube (3) and is in sliding connection with the sliding groove, the arc-shaped scraper (82) is fixedly installed on the rotating ring (81), the arc-shaped scraper (82) is in sliding connection with the inner ball wall of the nutrition output ball (6), one end of the control wire (83) is divided into two strands and is respectively and fixedly installed at two ends of the rotating ring (81), the other end of the control wire (83) penetrates through the outer section of the nutrition tube (3) and is fixedly installed with the control rod (85), and the limiting block (84) is rotatably sleeved at the connection position of the control rod (85) and the control wire (83).

3. The gastrointestinal drainage nutrition tube of claim 1, wherein the dredging mechanism (9) comprises a dredging rod (91) and a hauling rope (92), two ends of the dredging rod (91) are installed in the spiral track (9b) and are in sliding connection with the spiral track (9b), one end of the hauling rope (92) is fixedly installed on the dredging rod (91), and the other end of the hauling rope (92) passes through the external section of the nutrition tube (3) and extends out of the nutrition tube (3).

4. The gastrointestinal drainage nutrition tube according to claim 1, wherein the outer sleeve (1) is fixedly sleeved with an annular air bag (9d), the annular air bag (9d) is arranged near the tail end of the nutrition tube (3), and the annular air bag (9d) is communicated with the inflation tube (4).

5. The gastrointestinal drainage nutrition tube according to claim 1, wherein the openings of the outer sections of the drainage tube (2) and the nutrition tube (3) are provided with sealing plugs which are arranged in a matching way.

6. The gastrointestinal drainage nutrition tube of claim 1, wherein an inflation valve is fixedly arranged on the opening of the outer section of the inflation tube (4).

7. The gastrointestinal drainage nutrition tube according to claim 1, wherein a lead (9c) is inserted into the inflation tube (4), one end of the lead (9c) passes through the external section of the inflation tube (4) and extends out of the inflation tube (4), and the other end of the lead (9c) is fixedly provided with an infrared detector head positioned at the top of the nutrition output ball (6).