Enteral nutrition pipeline flushing device

Abstract

The invention belongs to the technical field of medical equipment, and discloses an enteral nutrition tube flushing device which comprises a hollow nutrition tube. One end of the nutrition tube is open, and the other end of the nutrition tube is sealed; a water injection pipe is fixed to the outer side wall, close to the sealed end, of the nutrient canal, one end of the water injection pipe is communicated with the interior of the nutrient canal, and a first liquid storage cylinder is fixed to the other end of the water injection pipe and communicated with the interior of the first liquid storage cylinder. A nutrition branch pipe is fixed on the outer side wall, close to the sealing end, of the nutrition pipe, and the distance between the nutrition branch pipe and the sealing end of the nutrition pipe is larger than that between the water injection pipe and the sealing end of the nutrition pipe; residual nutrient solution on the inner wall of the nutrient canal is scraped off through the piston cylinder, the inner wall of the nutrient canal is sprayed and washed through the spray head in cooperation, the washing degree of the peripheral wall of the inner side of the nutrient canal is improved, and meanwhile only part of washing liquid sprayed out of the spray head can flow into the body of a patient along the nutrient canal in the washing process; the problem that a large amount of normal saline and other flushing fluid enter the body of the patient to cause discomfort of the patient is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of medical equipment, and in particular relates to an enteral nutrition pipeline flushing device. Background Art

[0002] A feeding tube, also known as an enteral nutrition tube or a gastroenterostomy tube, is a medical device used to deliver nutrients to the patient's gastrointestinal tract. This tube is usually inserted into the patient's body through oral or abdominal wall puncture to provide the patient with the nutritional support they need. It is particularly suitable for patients who cannot eat or absorb nutrients orally, such as those with digestive system diseases, postoperative recovery, and some long-term bedridden patients.

[0003] However, since nutrients usually have a certain viscosity, some nutrients will remain on the inner wall of the feeding tube after each delivery. The residual nutrients are prone to bacterial growth and infection. In order to keep the tube unobstructed, remove residual substances and bacteria, prevent infection and reduce the risk of complications, extend the life of the tube, and ensure that patients receive safe and effective nutritional support, it is usually necessary to flush the feeding tube regularly.

[0004] For example, the Chinese patent with application number CN202122303424.3 discloses an automatic flushing device for enteral nutrition pipeline, including a nutrition infusion pipeline and a flushing passage, the top of the nutrition infusion pipeline is connected to a nutrient solution bag, the top of the flushing passage is connected to a flushing liquid bag, a control switch is provided below the nutrition infusion pipeline and the flushing passage, the bottom of the nutrition infusion pipeline and the flushing passage passes through the control switch and is jointly connected with a Y-shaped tube, an injection device is provided in the middle of the flushing passage, and the control switch includes a fixed bin. The automatic flushing device for enteral nutrition pipeline can flush and clean the nutrient solution infusion pipeline regularly to prevent blockage, and ensure that there is no nutrient solution attached to the inner wall of the pipeline after one flushing to ensure the patency of nutrient solution infusion, thereby reducing the workload of medical staff. The control switch can prevent the nutrition infusion pipeline and the flushing passage from being opened at the same time, causing the two pipelines to be connected, thereby causing the nutrient solution to flow in series.

[0005] However, in actual use, the above patent requires continuous injection of flushing fluids such as physiological saline to complete the flushing of the nutrition tube, and all the flushing fluids used for flushing flow into the patient's body along the nutrition tube. However, excessive flushing fluids such as physiological saline entering the patient's body may cause adverse effects such as electrolyte imbalance, bloating and indigestion, and fluid overload. Therefore, there is a problem in the prior art that the flushing process easily causes a large amount of flushing fluid to enter the patient's body, thereby causing physical discomfort to the patient. Summary of the invention

[0006] In view of the deficiencies of the prior art, the purpose of the present invention is to provide an enteral nutrition pipeline flushing device, which solves the problem in the prior art that the flushing process easily causes a large amount of flushing liquid to enter the patient's body, thereby causing physical discomfort to the patient.

[0007] The purpose of the present invention can be achieved through the following technical solutions:

[0008] An enteral nutrition tube flushing device, including an internally hollow nutrition tube;

[0009] One end of the nutrient tube is open, and the other end is sealed;

[0010] A water injection pipe is fixed on the outer wall of the nutrition tube near the sealing end, one end of the water injection pipe is connected to the inside of the nutrition tube, and the other end of the water injection pipe is fixed to the first liquid storage cylinder, and the water injection pipe is connected to the inside of the first liquid storage cylinder;

[0011] A nutrient branch tube is fixed on the outer wall of the nutrient tube near the sealed end, and the distance between the nutrient branch tube and the sealed end of the nutrient tube is greater than the distance between the water injection tube and the sealed end of the nutrient tube. The nutrient branch tube is connected to the inside of the nutrient tube. A second liquid storage cylinder is fixed to the other end of the nutrient branch tube. The nutrient branch tube is connected to the inside of the second liquid storage cylinder.

[0012] A piston cylinder is slidably connected inside the nutrition tube, and one end of the piston cylinder close to the sealing end of the nutrition tube is open, and the outer peripheral wall of the piston cylinder fits the inner peripheral wall of the nutrition tube. The piston cylinder is made of elastic material, and a nozzle is fixedly installed on the end of the piston cylinder away from the sealing end of the nutrition tube, and the other end of the nozzle is connected to the inside of the piston cylinder. A drawstring is slidably connected to the sealing end of the nutrition tube, and one end of the drawstring extends into the inside of the nutrition tube and is fixed to the piston cylinder;

[0013] A first switch valve is arranged at one end of the water injection pipe close to the nutrient pipe, and a second switch valve is arranged at the end of the nutrient branch pipe close to the nutrient pipe;

[0014] A water pump is provided inside the nutrient tube, and the water pump is located at one end of the nutrient tube close to the sealing end. A return pipe is connected to the output end of the water pump, and the other end of the return pipe passes through the peripheral wall of the nutrient tube and extends to the outside of the nutrient tube. The return pipe is fixed to the water injection pipe away from the end of the water pump, and the return pipe is connected with the water injection pipe through, and the contact part between the return pipe and the water injection pipe is located between the first switch valve and the first liquid storage cylinder;

[0015] A connecting tube placed coaxially is fixed on the piston cylinder, the connecting tube runs through both ends of the piston cylinder, and the connecting tube is open near the sealing end of the nutrient tube, and the other end of the connecting tube is sealed, a pressure pump is connected to the connecting tube, and the output end of the pressure pump is connected to the open end of the connecting tube, and the nozzles are arranged to be a plurality of nozzles evenly distributed in a ring shape around the central axis of the connecting tube, and the nozzles are all fixed on the peripheral wall of the connecting tube, and the nozzles are all connected to the inside of the connecting tube;

[0016] A truncated cone-shaped groove is formed at one end of the piston cylinder near the opening side of the nutrition tube, the diameter of the groove near the sealing end of the nutrition tube is smaller than the diameter of the groove near the opening end of the nutrition tube, the diameter of the groove near the opening end of the nutrition tube is equal to the inner diameter of the nutrition tube, the end of the connecting tube near the opening side of the nutrition tube is located in the groove, and the nozzles are all located in the groove;

[0017] The water flow sprayed from the nozzle is sprayed outward along the peripheral wall of the groove;

[0018] The fixed sleeve of the sealing end of the nutrition tube is provided with a sealing box, a winding roller is rotatably connected in the sealing box, and the end of the pull rope away from the piston cylinder is fixed on the peripheral wall of the winding roller;

[0019] A rotating motor is fixedly installed on the sealing box, and an output end of the rotating motor is connected to either end of the winding roller.

[0020] Beneficial effects of the present invention:

[0021] 1. Through the setting of the piston cylinder, the residual nutrient solution on the inner wall of the nutrition tube can be scraped and cleaned, and the inner wall of the nutrition tube can be sprayed with the nozzle to improve the degree of flushing of the inner wall of the nutrition tube. At the same time, due to the obstruction of the piston cylinder, only part of the flushing liquid sprayed by the nozzle can enter the patient's body along the nutrition tube during the flushing process, which can reduce the entry of flushing liquids such as saline into the patient's body and avoid the problem of a large amount of flushing liquids such as saline entering the patient's body causing physical discomfort to the patient;

[0022] 2. Through the arrangement of the water pump and the reflux pipe, when the retracted pull rope drives the piston cylinder and the remaining saline solution or other flushing liquid to move toward the sealed end of the nutrition tube, the first switch valve is closed and the water pump is turned on. The water pump extracts the remaining saline solution or other flushing liquid and refluxes it to the water injection pipe and the first liquid storage cylinder through the reflux pipe;

[0023] 3. By setting the truncated cone-shaped groove and coordinating the setting of multiple nozzles evenly distributed in a ring shape, the scraping of the residual nutrient solution on the inner wall of the nutrient tube by the piston cylinder and the flushing of the water flow are synchronized, so that the residual nutrient solution on the inner wall of the nutrient tube can be scraped off and flushed clean. At the same time, during the movement, the piston cylinder always contacts the residual nutrient solution in the nutrient tube first, reducing the possibility of the nutrient solution clogging the nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the overall structure of the present invention from different viewing angles;

[0027] Figure 3 It is a partial structural schematic diagram of the pull rope of the present invention;

[0028] Figure 4 It is a partial structural schematic diagram of the piston cylinder of the present invention;

[0029] Figure 5 It is a partial structural schematic diagram of the nozzle of the present invention. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] like Figures 1 to 5 As shown, the enteral nutrition tube 100 flushing device comprises a nutrition tube 100 with a hollow interior;

[0032] One end of the nutrition tube 100 is open, and the other end of the nutrition tube 100 is sealed;

[0033] A water injection pipe 200 is fixed on the outer wall of the nutrition tube 100 near the sealing end, one end of the water injection pipe 200 is connected to the inside of the nutrition tube 100, and a first liquid storage cylinder 201 is fixed to the other end of the water injection pipe 200, and the water injection pipe 200 is connected to the inside of the first liquid storage cylinder 201;

[0034] A nutrition branch tube 300 is fixed on the outer wall of the nutrition tube 100 near the sealed end, and the distance between the nutrition branch tube 300 and the sealed end of the nutrition tube 100 is greater than the distance between the water injection tube 200 and the sealed end of the nutrition tube 100. The nutrition branch tube 300 is connected to the inside of the nutrition tube 100. A second liquid storage cylinder 301 is fixed to the other end of the nutrition branch tube 300, and the nutrition branch tube 300 is connected to the inside of the second liquid storage cylinder 301.

[0035] A piston cylinder 400 is slidably connected inside the nutrition tube 100. One end of the piston cylinder 400 close to the sealed end of the nutrition tube 100 is open. The outer peripheral wall of the piston cylinder 400 fits the inner peripheral wall of the nutrition tube 100. The piston cylinder 400 is made of elastic material. A nozzle 500 is fixedly installed at one end of the piston cylinder 400 away from the sealed end of the nutrition tube 100. The other end of the nozzle 500 is connected to the inside of the piston cylinder 400. A drawstring 600 is slidably connected to the sealed end of the nutrition tube 100. One end of the drawstring 600 extends into the inside of the nutrition tube 100 and is fixed to the piston cylinder 400.

[0036] A first switch valve 202 is disposed at one end of the water injection pipe 200 close to the nutrition pipe 100, and a second switch valve 302 is disposed at the end of the nutrition branch pipe 300 close to the nutrition pipe 100;

[0037] The first liquid storage cylinder 201 is filled with a rinsing liquid such as saline for rinsing the nutrient tube 100, and the second liquid storage cylinder 301 is filled with a nutrient solution. When in use, the nutrient tube 100 is inserted into the patient's body, and the first liquid storage cylinder 201 and the second liquid storage cylinder 301 are hung at a high place, so that the rinsing liquid such as saline or the nutrient solution flows along the nutrient tube 100 due to the effect of gravity.

[0038] When delivering nutrient solution to the patient, the first switch valve 202 is closed to block the water injection pipe 200, and the second switch valve 302 is opened at the same time, and the piston cylinder 400 is pulled so that the piston cylinder 400 is located at the side of the nutrient branch pipe 300 close to the sealed end of the nutrient tube 100, and the nutrient solution flows into the nutrient tube 100 through the nutrient branch pipe 300, and is delivered to the patient through the nutrient tube 100;

[0039] After the nutrient solution is delivered, the second switch valve 302 is closed and part of the stretch is released. The piston cylinder 400 slides downward under the action of gravity, so that the upper end of the piston cylinder 400 is lower than the water injection pipe 200. Then the first switch valve 202 is opened, and the irrigation liquid such as saline enters the nutrient tube 100 through the injection pipe. At the same time, the pull rope 600 is slowly released, and the irrigation liquid such as saline pushes the piston cylinder 400 to move along the nutrient tube 100, so that the piston cylinder 400 pushes the residual nutrient solution in the nutrient tube 100 to the open end of the nutrient tube 100. The piston cylinder 400 moves so as to scrape and clean the residual nutrient solution on the inner peripheral wall of the nutrition tube 100. At the same time, during the movement of the piston cylinder 400, the nozzle 500 can be synchronously opened, and the nozzle 500 extracts the physiological saline or other flushing liquid in the piston cylinder 400 and sprays it to flush the inner wall of the nutrition tube 100. When the piston cylinder 400 moves to the point where it is about to slide out of the nutrition tube 100, the pull rope 600 is stopped from being released, and then the pull rope 600 is retracted to drive the piston cylinder 400 and the residual physiological saline or other flushing liquid to move back to the sealed end of the nutrition tube 100;

[0040] By setting the piston cylinder 400, the residual nutrient solution on the inner wall of the nutrition tube 100 can be scraped and cleaned, and the inner wall of the nutrition tube 100 can be sprayed with the nozzle 500 to improve the flushing degree of the inner wall of the nutrition tube 100. At the same time, due to the obstruction of the piston cylinder 400, only part of the flushing liquid sprayed by the nozzle 500 can enter the patient's body along the nutrition tube 100 during the flushing process. During the flushing process, the entry of flushing liquids such as saline into the patient's body can be reduced, thereby avoiding the problem of a large amount of flushing liquids such as saline entering the patient's body and causing physical discomfort to the patient.

[0041] Preferably, the piston cylinder 400 may be made of silicone material.

[0042] A water pump 700 is provided inside the nutrient tube 100. The water pump 700 is located at one end of the nutrient tube 100 close to the sealed end. A return pipe 701 is connected to the output end of the water pump 700. The other end of the return pipe 701 passes through the peripheral wall of the nutrient tube 100 and extends to the outside of the nutrient tube 100. The return pipe 701 is fixed to the water injection pipe 200 at the end away from the water pump 700. The return pipe 701 is through-connected with the water injection pipe 200, and the contact part between the return pipe 701 and the water injection pipe 200 is located between the first switch valve 202 and the first liquid storage cylinder 201. When the retracted pull rope 600 drives the piston cylinder 400 and the remaining flushing liquid such as saline to move toward the sealed end of the nutrient tube 100, the first switch valve 202 is closed, and the water pump 700 is turned on. The water pump 700 extracts the remaining flushing liquid such as saline and refluxes it to the water injection pipe 200 and the first liquid storage cylinder 201 through the return pipe 701.

[0043] A coaxially arranged connecting tube 800 is fixed on the piston cylinder 400. The connecting tube 800 passes through both ends of the piston cylinder 400, and the connecting tube 800 is open near the sealed end of the nutrition tube 100, and the other end of the connecting tube 800 is sealed. A pressure pump 801 is connected to the connecting tube 800, and the output end of the pressure pump 801 is connected to the open end of the connecting tube 800. The nozzles 500 are arranged to be uniformly distributed in a ring shape around the central axis of the connecting tube 800. The nozzles 500 are all fixed on the peripheral wall of the connecting tube 800, and the nozzles 500 are all connected to the inside of the connecting tube 800. The water is pumped by the pressure pump 801, so that the water is pressurized and sprayed out from the nozzle 500. The multiple nozzles 500 are arranged so that the sprayed flushing liquid covers the inner peripheral wall of the nutrition tube 100.

[0044] A truncated cone-shaped groove 401 is provided at one end of the piston cylinder 400 close to the opening side of the nutrition tube 100. The diameter of the groove 401 close to the sealing end of the nutrition tube 100 is smaller than the diameter of the groove 401 close to the opening end of the nutrition tube 100. The diameter of the groove 401 close to the opening end of the nutrition tube 100 is equal to the inner diameter of the nutrition tube 100. One end of the connecting tube 800 close to the opening side of the nutrition tube 100 is located in the groove 401, and the nozzle 500 is located in the groove 401. During the movement of the piston cylinder 400, the piston cylinder 400 always contacts the nutrient solution remaining in the nutrition tube 100 first, thereby reducing the possibility of the nutrient solution clogging the nozzle 500.

[0045] The water flow sprayed by the nozzle 500 is sprayed outward along the peripheral wall of the groove 401, so that the piston cylinder 400 scrapes the residual nutrient solution on the inner peripheral wall of the nutrition tube 100 and the flushing of the water flow is synchronized, so as to scrape and flush the residual nutrient solution on the inner wall of the nutrition tube 100.

[0046] The sealed end of the nutrition tube 100 is fixedly sleeved with a sealing box 900, in which a winding roller 901 is rotatably connected, and the end of the pull rope 600 away from the piston cylinder 400 is fixed to the peripheral wall of the winding roller 901; the winding roller 901 is rotated to control the winding or release of the pull rope 600.

[0047] In order to facilitate the automatic control of the rotation of the winding roller 901, a rotating motor 902 is fixedly installed on the sealing box 900, and the output end of the rotating motor 902 is connected to either end of the winding roller 901; by turning on the rotating motor 902, the winding roller 901 can be automatically rotated, and the winding or release of the pull rope 600 can be controlled by changing the rotation direction of the output end of the rotating motor 902.

[0048] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. An enteral nutrition pipe flushing device, comprising a hollow nutrition pipe (100), characterized in that: A water injection pipe (200) is fixed on the outer wall of the nutrition tube (100) near the sealed end, one end of the water injection pipe (200) is connected to the inside of the nutrition tube (100), and a first liquid storage cylinder (201) is fixed to the other end of the water injection pipe (200), and the water injection pipe (200) is connected to the inside of the first liquid storage cylinder (201); A nutrient branch tube (300) is fixed on the outer wall of the nutrient tube (100) near the sealed end, and the distance between the nutrient branch tube (300) and the sealed end of the nutrient tube (100) is greater than the distance between the water injection tube (200) and the sealed end of the nutrient tube (100), the nutrient branch tube (300) is connected to the inside of the nutrient tube (100), and a second liquid storage cylinder (301) is fixed to the other end of the nutrient branch tube (300), and the nutrient branch tube (300) is connected to the inside of the second liquid storage cylinder (301); A piston cylinder (400) is slidably connected inside the nutrition tube (100), one end of the piston cylinder (400) close to the sealed end of the nutrition tube (100) is open, the outer peripheral wall of the piston cylinder (400) is in contact with the inner peripheral wall of the nutrition tube (100), the piston cylinder (400) is made of elastic material, a nozzle (500) is fixedly installed at one end of the piston cylinder (400) away from the sealed end of the nutrition tube (100), the other end of the nozzle (500) is connected to the inside of the piston cylinder (400), a drawstring (600) is slidably connected to the sealed end of the nutrition tube (100), one end of the drawstring (600) extends into the inside of the nutrition tube (100) and is fixed to the piston cylinder (400); A first switch valve (202) is provided at one end of the water injection pipe (200) close to the nutrition pipe (100), and a second switch valve (302) is provided at the end of the nutrition branch pipe (300) close to the nutrition pipe (100).

2. The enteral nutrition pipeline flushing device according to claim 1, characterized in that: A water pump (700) is provided inside the nutrition tube (100). The water pump (700) is located at one end of the nutrition tube (100) close to the sealed end. The output end of the water pump (700) is connected to a return pipe (701). The other end of the return pipe (701) passes through the peripheral wall of the nutrition tube (100) and extends to the outside of the nutrition tube (100). The end of the return pipe (701) away from the water pump (700) is fixed to the water injection pipe (200). The return pipe (701) and the water injection pipe (200) are connected in a through manner, and the contact portion between the return pipe (701) and the water injection pipe (200) is located between the first switch valve (202) and the first liquid storage cylinder (201).

3. The enteral nutrition pipeline flushing device according to claim 2, characterized in that: A connecting tube (800) arranged coaxially is fixed on the piston cylinder (400), the connecting tube (800) passes through both ends of the piston cylinder (400), and the connecting tube (800) is open near the sealed end of the nutrition tube (100), and the other end of the connecting tube (800) is sealed. A pressure pump (801) is connected to the connecting tube (800), and the output end of the pressure pump (801) is connected to the open end of the connecting tube (800). The nozzles (500) are arranged to be uniformly distributed in a ring shape around the central axis of the connecting tube (800), and the nozzles (500) are all fixed on the peripheral wall of the connecting tube (800), and the nozzles (500) are all connected to the inside of the connecting tube (800).

4. The enteral nutrition pipeline flushing device according to claim 3, characterized in that: A truncated cone-shaped groove (401) is formed at one end of the piston cylinder (400) close to the opening side of the nutrition tube (100); the diameter of the groove (401) close to the sealing end of the nutrition tube (100) is smaller than the diameter of the groove (401) close to the opening end of the nutrition tube (100); the diameter of the groove (401) close to the opening end of the nutrition tube (100) is equal to the inner diameter of the nutrition tube (100); the end of the connecting tube (800) close to the opening side of the nutrition tube (100) is located in the groove (401), and the nozzle (500) is located in the groove (401).

5. The enteral nutrition pipeline flushing device according to claim 4, characterized in that: The water flow sprayed by the spray head (500) is sprayed toward the outside of the groove (401) along the peripheral wall of the groove (401).

6. The enteral nutrition pipeline flushing device according to claim 5, characterized in that: The sealing end of the nutrition tube (100) is fixedly sleeved with a sealing box (900), a winding roller (901) is rotatably connected inside the sealing box (900), and the end of the pull rope (600) away from the piston cylinder (400) is fixed to the peripheral wall of the winding roller (901).

7. The enteral nutrition pipeline flushing device according to claim 6, characterized in that: A rotating motor (902) is fixedly mounted on the sealing box (900), and an output end of the rotating motor (902) is connected to either end of the winding roller (901).

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