Enteral nutrition infusion device capable of adjusting nutrient proportion

Abstract

The invention provides an enteral nutrition infusion device with an adjustable nutrient proportion, and relates to the technical field of enteral nutrition infusion. The bottom of the infusion pipe is fixedly connected with a liquid outlet pipe, and the right end of the infusion pipe is connected with a mixing pipe; the liquid outlet pipe is sleeved with a temperature control piece. The proportion adjusting assembly comprises a baffle and a connecting plate, a round rod is fixedly arranged at the top of the baffle, and the round rod penetrates through the mixing pipe and is clamped in the mixing pipe in a sealed mode. When an injector pushes a threaded rod to move after being conveyed through an infusion pump, a gear is driven to rotate through a rack plate, an indicator plate is coaxially driven to rotate and gradually approach until a touch switch is started, the interior of a mixing pipe is sealed through a baffle, the infusion pump on the injector is automatically stopped, and full-proportion infusion of a nutrient solution is achieved. Therefore, the nutrient proportion is automatically adjusted, and the problems that the nutrient proportion concentration can only be manually adjusted, the time occupied by medical staff is long, and the nutrient concentration proportion is difficult to automatically adjust are solved.

Description

Technical Field

[0001] The invention relates to the technical field of enteral nutrition infusion, and in particular to an enteral nutrition infusion device with adjustable nutrient ratio. Background Art

[0002] Enteral nutrition is usually infused through a nasogastric tube or other methods. The patient is in a semi-recumbent position. The infusion tube is connected to the bottle of enteral nutrition solution such as Beproli, connected to the infusion pump, and then connected to the patient's nasogastric tube for infusion. However, in this process, the concentration of the nutrient solution needs to be gradually adjusted from low to high to avoid gastrointestinal discomfort in the patient. However, the set speed of the infusion pump needs to be adjusted regularly, and the nutrient ratio concentration can only be adjusted manually, which takes up a long time for medical staff and is difficult to automatically adjust the nutrient concentration ratio; the temperature needs to be controlled at around 37-40 degrees to ensure that it will not irritate the patient's stomach and intestines, but the existing infusion pumps are difficult to heat and the temperature is difficult to adjust automatically. Summary of the invention

[0003] In view of this, the present invention provides an enteral nutrition infusion device with adjustable nutrient ratio. When the syringe completes quantitative and timed delivery through the infusion pump, the threaded rod is gradually pushed to move, and the gear is driven to rotate through the rack plate. The indicator plate rotates until the touch-pressure switch is started, so that the baffle completes the blocking of the inside of the mixing tube, automatically stops the infusion pump on the syringe, stops the delivery of liquids other than the nutrient solution, realizes the full-proportion infusion of the nutrient solution, and automatically realizes the adjustment of the nutrient ratio.

[0004] The present invention provides an enteral nutrition infusion device with adjustable nutrient ratio, which specifically comprises: an infusion tube; a liquid outlet tube is fixedly connected to the bottom of the infusion tube, and a mixing tube is connected to the right end of the infusion tube; a temperature control unit is sleeved on the outside of the liquid outlet tube; an electric control seat is installed on the top of the mixing tube, and a ratio adjustment component is installed inside the mixing tube; the ratio adjustment component comprises a baffle and a connecting plate, a round rod is fixedly arranged on the top of the baffle, the round rod penetrates and is sealed and clamped in the mixing tube, and two internal threaded tubes are arranged at the end of the connecting plate; the internal thread of the internal threaded tube is connected to the threaded rod.

[0005] Furthermore, a rod is fixedly connected to the bottom surface of the connecting plate, and a rack plate is fixedly and vertically connected to the end of the rod. The rack plate is movably clamped in the interior of the mixing tube, and the rack plate is meshingly connected to the gear.

[0006] Furthermore, the temperature control unit includes a clamping half-tube, a temperature control module and an insulation tube, a heating plate is arranged inside the clamping half-tube, a heat conducting plate is fixedly welded to the inner wall of the heating plate, the heat conducting plate passes through the inner wall of the clamping half-tube, and the heat conducting plate is attached to the outer wall of the liquid outlet pipe, a plug rod and a plug hole are arranged on the end face of the first clamping half-tube, and the positions of the plug rod and the plug hole of the other clamping half-tube correspond to the first one, a switch key and a temperature adjustment key are installed on the top surface of the temperature control module, and the switch key and the temperature adjustment key are electrically connected to the controller inside the temperature control module respectively, a temperature sensor sheet is connected inside the temperature control module through a circuit, the temperature sensor sheet is attached to the outer wall of the liquid outlet pipe, and the temperature sensor sheet is installed inside the insulation tube, and the insulation tube is sleeved on the outside of the liquid outlet pipe.

[0007] Furthermore, a screwing block is fixedly connected to the outer end of the threaded rod, and the outer end surface of the screwing block is lower than the circular plate at the end of the push rod in the syringe.

[0008] Furthermore, the outer edge of the baffle is fitted to the inner wall of the mixing tube, a gear is fixedly connected to the top round rod of the baffle, an indicator plate is fixedly connected above the gear and the top of the round rod, one end of the indicator plate is set as an acute angle structure, and the indicating direction of the indicator plate is the same as the radial direction of the baffle.

[0009] Furthermore, an indicator bar is fixedly provided on the top surface of the electric control seat, and a touch-pressure switch is fixedly connected to the top surface of the electric control seat, and the touch-pressure switch is electrically connected to the infusion pump on the syringe.

[0010] Furthermore, a hard tube is provided at the end of the endoscope, an insertion switch is installed on the side of the endoscope, and a retraction switch is installed on the top surface of the endoscope. The insertion switch and the retraction switch are respectively connected to the controller inside the driving component through circuits.

[0011] Furthermore, a catheter is fixedly connected to the top of the infusion tube, the top of the catheter is connected to the nutrient solution bottle, the middle section of the catheter is connected to the infusion pump tube, and the outlet tube is connected to the nasogastric tube.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] During use of the present invention, after the syringe completes quantitative and timed delivery through the infusion pump, it gradually pushes the threaded rod to move, driving the connecting plate to move, and the rack plate can drive the gear to rotate. After the gear rotates, it can coaxially drive the indicator plate to indicate the rotation angle. The indicator plate gradually approaches until the touch-and-pressure switch is activated, so that the baffle completes the blocking of the inside of the mixing tube, and the infusion pump on the syringe can be automatically stopped, and the delivery of liquids except for nutrient solutions such as Bipro can be stopped, so as to achieve full-proportion infusion of the nutrient solution, thereby automatically achieving the adjustment of the nutrient ratio.

[0014] In addition, by plugging the plug rod and the plug socket into each other, the assembly of the two snap-on half-tubes can be completed, and the temperature control unit can be installed on the outside of the liquid outlet pipe. The heating plate starts heating after the temperature control unit is started, and the nutrient solution inside the liquid outlet pipe is heated by the heat conduction plate to ensure that the temperature is appropriate when it is delivered to the patient's nasogastric tube, and will not irritate the stomach and intestines and cause discomfort. After the temperature is set in advance by the controller inside the temperature control unit, the temperature can be automatically adjusted.

[0015] In addition, the clamping ring can increase the connection stability of the connecting tube to ensure that no leakage occurs during the injection process. By designing different connecting tube sizes, it can adapt to the connection of syringes of different capacities, thereby improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0017] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0018] In the attached picture:

[0019] Figure 1 Schematic diagram of the structure of the infusion tube according to an embodiment of the present invention.

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the infusion tube according to an embodiment of the present invention.

[0021] Figure 3 It is a schematic diagram of the structure of a proportional adjustment component according to an embodiment of the present invention.

[0022] Figure 4 An embodiment of the present invention Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0023] Figure 5 It is a schematic diagram of the structure of a temperature control unit according to an embodiment of the present invention.

[0024] Figure 6 It is a schematic diagram of the unfolded structure of the clamped half-tube according to an embodiment of the present invention.

[0025] Figure 7 An embodiment of the present invention Figure 6 Schematic diagram of the enlarged structure at point B in the middle.

[0026] Figure 8 An embodiment of the present invention Figure 6 Schematic diagram of the enlarged structure at point C in the middle.

[0027] Reference numerals list

[0028] 1. Infusion tube; 101. Catheter; 102. Liquid outlet tube; 103. Mixing tube; 1031. Clamp;

[0029] 2. Proportional adjustment assembly; 21. Baffle; 2101. Gear; 2102. Indicator plate; 22. Connecting plate; 2201. Rack plate; 2202. Internally threaded pipe;

[0030] 3. Electric control seat; 301. Indicator bar; 302. Touch switch;

[0031] 4. Temperature control unit; 41. Snap-on half pipe; 4101. Heating plate; 41011. Heat conducting plate; 42. Temperature control module; 4201. Switch; 4202. Temperature sensor; 43. Insulation pipe;

[0032] 5. Threaded rod; 501. Screw block. DETAILED DESCRIPTION

[0033] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0034] Example: Please refer to Figures 1 to 8 As shown:

[0035] The present invention provides an enteral nutrition infusion device with adjustable nutrient ratio, comprising an infusion tube 1; a liquid outlet tube 102 is fixedly connected to the bottom of the infusion tube 1, and a mixing tube 103 is connected to the right end of the infusion tube 1; a temperature control unit 4 is sleeved on the outside of the liquid outlet tube 102; an electric control seat 3 is installed on the top of the mixing tube 103, and a ratio adjustment component 2 is installed inside the mixing tube 103; the ratio adjustment component 2 comprises a baffle 21 and a connecting plate 22, a round rod is fixedly arranged on the top of the baffle 21, the round rod penetrates and is sealed and clamped in the mixing tube 103, and two internal threaded tubes 2202 are arranged at the end of the connecting plate 22; the internal threads of the internal threaded tube 2202 are connected to the threaded rod 5.

[0036] As attached Figure 5 and attached Figure 7As shown, the temperature control unit 4 includes a clamping half-tube 41, a heating plate 4101 is arranged inside the clamping half-tube 41, a heat conducting plate 41011 is fixedly welded to the inner wall of the heating plate 4101, the heat conducting plate 41011 penetrates the inner wall of the clamping half-tube 41, and the heat conducting plate 41011 is attached to the outer wall of the liquid outlet pipe 102, the end face of the first clamping half-tube 41 is provided with a plug rod and a plug hole, the position of the plug rod and the plug hole of the other clamping half-tube 41 corresponds to the first one, and the two clamping half-tubes 41 can be assembled by plugging the plug rod and the plug hole into each other, and the temperature control unit 4 is installed on the outside of the liquid outlet pipe 102. The heating plate 4101 starts heating after the temperature control unit 4 is started, and the nutrient solution inside the liquid outlet pipe 102 is heated by the heat conducting plate 41011 to ensure that the temperature is appropriate.

[0037] As attached Figure 3 and attached Figure 4 As shown, the bottom surface of the connecting plate 22 is fixedly connected with a rod, the end of the rod is fixedly and vertically connected with a rack plate 2201, the rack plate 2201 is movably clamped in the interior of the mixing tube 103, and the rack plate 2201 is meshed and connected with the gear 2101. When the baffle 21 is pushed, the connecting plate 22 is driven to move synchronously through the rod at the bottom, so that the rack plate 2201 can drive the gear 2101 to rotate to realize transmission.

[0038] As attached Figure 2 As shown, the outer wall at the end of the mixing tube 103 is provided with a protruding clamping ring 1031, and a connecting tube is clamped on the outside of the clamping ring 1031. The end of the connecting tube is fixedly plugged with a syringe, and the syringe is installed on a quantitative infusion pump. The quantitative infusion pump can complete the injection of liquid in a timely and quantitative manner. After the warm water and other liquids are mixed with enteral nutrient solutions such as Bipro through the mixing tube 103, the clamping ring 1031 can increase the connection stability of the connecting tube to ensure that no leakage occurs during the injection process. By designing different connecting tube sizes, syringes of different capacities can be adapted for connection.

[0039] As attached Figure 1 and attached Figure 2 As shown, the top of the infusion tube 1 is fixedly connected with a catheter 101, the top of the catheter 101 is connected to the nutrient solution bottle, and the middle section of the catheter 101 is connected to the infusion pump tube, and the outlet tube 102 is connected to the nasogastric tube. After the nutrient solution is quantitatively pumped out through the infusion pump tube, the proportion of the nutrient solution is gradually increased, and the nutrient solution is delivered to the nasogastric tube through the outlet tube 102 to complete the enteral nutrition infusion of the patient.

[0040] As attached Figure 3As shown, the outer edge of the baffle 21 is attached to the inner wall of the mixing tube 103, and a gear 2101 is fixedly connected to the top round rod of the baffle 21. An indicator plate 2102 is fixedly connected above the gear 2101 and the top end of the round rod. One end of the indicator plate 2102 is set as an acute-angle structure. The indicating direction of the indicator plate 2102 is the same as the radial direction of the baffle 21. The acute-angle structure can make it easier to judge the indicated direction. After the gear 2101 rotates, it can coaxially drive the indicator plate 2102 to indicate the rotation angle. The angular position of the baffle 21 can be judged from the outside, and the mixing ratio inside the mixing tube 103 can be judged.

[0041] As attached Figure 4 As shown, an indicator bar 301 is fixedly provided on the top surface of the electric control seat 3, and a touch-pressure switch 302 is fixedly connected to the top surface of the electric control seat 3. The touch-pressure switch 302 is electrically connected to the infusion pump on the syringe. When the indicator plate 2102 rotates with the gear 2101, it gradually approaches the touch-pressure switch 302 until the touch-pressure switch 302 is started, so that the baffle 21 completes the blocking of the inside of the mixing tube 103, and the infusion pump on the syringe can be automatically stopped, and the liquid delivery except for the nutrient solution such as Bipro can be stopped, so as to realize the full proportion infusion of the nutrient solution and avoid leakage through the mixing tube 103.

[0042] As attached Figure 6 and attached Figure 8 As shown, the temperature control unit 4 also includes a temperature control module 42 and an insulation tube 43. The top surface of the temperature control module 42 is equipped with a switch key 4201 and a temperature adjustment key, and the switch key 4201 and the temperature adjustment key are respectively electrically connected to the controller inside the temperature control module 42. The interior of the temperature control module 42 is connected with a temperature sensor 4202 through a circuit. The temperature sensor 4202 is attached to the outer wall of the liquid outlet tube 102, and the temperature sensor 4202 is installed inside the insulation tube 43. The insulation tube 43 is sleeved on the outside of the liquid outlet tube 102. When the heating plate 4101 is working, the nutrient solution inside the liquid outlet tube 102 is heated, and the collected temperature information is displayed through the display screen of the temperature control module 42 after passing through the temperature sensor 4202, ensuring that the temperature is suitable for infusion into the nasogastric tube.

[0043] As attached Figure 2 As shown, the outer end of the threaded rod 5 is fixedly connected with a screw block 501, and the outer end surface of the screw block 501 is lower than the circular plate at the end of the push rod in the syringe. After rotating the screw block 501, the threaded rod 5 is driven to rotate and move, and the length of the threaded rod 5 protruding from the internal threaded tube 2202 is adjusted. When the syringe completes the quantitative and timed delivery through the infusion pump, the threaded rod 5 is gradually pushed to move, driving the connecting plate 22 to move, realizing linkage, ensuring that after the mixed liquid is pushed, the nutrient ratio is automatically adjusted, so that the nutrient solution is infused in pure proportion.

[0044] Specific usage and function of this embodiment: In the present invention, the top of the catheter 101 is connected to the nutrient solution bottle, and the middle section of the catheter 101 is connected to the infusion pump tube, the liquid outlet tube 102 is connected to the nasogastric tube, the outer clamp of the clamp ring 1031 is connected with a connecting tube, the end of the connecting tube is fixedly plugged with a syringe, and the syringe is installed on a quantitatively pushed infusion pump, which can complete the injection of liquids in a timely and quantitative manner. After the injection of warm water and other liquids is mixed with enteral nutrient solutions such as Biproli through the mixing tube 103, the nutrient solution is delivered to the nasogastric tube through the liquid outlet tube 102;

[0045] When the syringe completes the quantitative and timed delivery through the infusion pump, it gradually pushes the threaded rod 5 to move, driving the connecting plate 22 to move, and the rack plate 2201 can drive the gear 2101 to rotate. After the gear 2101 rotates, it can coaxially drive the indicator plate 2102 to indicate the rotation angle, so that the angular position of the baffle 21 can be judged from the outside, and the mixing ratio inside the mixing tube 103 can be judged. After the gear 2101 rotates, the indicator plate 2102 gradually approaches the touch-pressure switch 302 until the touch-pressure switch 302 is activated, so that after the baffle 21 completes the blocking of the inside of the mixing tube 103, the infusion pump on the syringe can be automatically stopped, and the liquid delivery except for the nutrient solution such as Bipro can be stopped, so as to realize the full proportion infusion of the nutrient solution, thereby automatically realizing the adjustment of the nutrient ratio.

[0046] Finally, it should be noted that when describing the position of each component and the matching relationship between them, the present invention usually takes one / a pair of components as an example. However, those skilled in the art should understand that such position, matching relationship, etc. are also applicable to other components / other pairs of components.

[0047] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. An enteral nutrition infusion device with adjustable nutrient ratio, comprising an infusion tube (1); characterized in that: The bottom of the infusion tube (1) is fixedly connected to a liquid outlet tube (102), and the right end of the infusion tube (1) is connected to a mixing tube (103); the outside of the liquid outlet tube (102) is sleeved with a temperature control unit (4); the top of the mixing tube (103) is installed with an electric control seat (3), and the interior of the mixing tube (103) is installed with a ratio adjustment component (2); the ratio adjustment component (2) comprises a baffle (21) and a connecting plate (22); a round rod is fixedly arranged on the top of the baffle (21), and the round rod penetrates and is sealed and clamped in the mixing tube (103); two internal threaded tubes (2202) are arranged at the end of the connecting plate (22); the internal thread of the internal threaded tube (2202) is connected to a threaded rod (5).

2. The enteral nutrition infusion device with adjustable nutrient ratio as claimed in claim 1, characterized in that: The top of the infusion tube (1) is fixedly connected to a catheter (101), the top end of the catheter (101) is connected to a nutrient solution bottle, the middle section of the catheter (101) is connected to an infusion pump tube, and the liquid outlet tube (102) is connected to a nasogastric tube.

3. The enteral nutrition infusion device with adjustable nutrient ratio as claimed in claim 1, characterized in that: The outer edge of the baffle (21) is fitted onto the inner wall of the mixing tube (103); a gear (2101) is fixedly connected to the round rod at the top of the baffle (21); an indicator plate (2102) is fixedly connected above the gear (2101) and at the top of the round rod; one end of the indicator plate (2102) is arranged as an acute angle structure; and the indicating direction of the indicator plate (2102) is the same as the radial direction of the baffle (21).

4. The enteral nutrition infusion device with adjustable nutrient ratio as claimed in claim 3, characterized in that: The bottom surface of the connecting plate (22) is fixedly connected to a rod, the end of the rod is fixedly and vertically connected to a rack plate (2201), the rack plate (2201) is movably clamped inside the mixing tube (103), and the rack plate (2201) is meshedly connected to the gear (2101).

5. The enteral nutrition infusion device with adjustable nutrient ratio as claimed in claim 1, characterized in that: An indicator bar (301) is fixedly arranged on the top surface of the electric control seat (3), and a touch-pressure switch (302) is fixedly connected to the top surface of the electric control seat (3), and the touch-pressure switch (302) is electrically connected to the infusion pump on the syringe.

6. The enteral nutrition infusion device with adjustable nutrient ratio as claimed in claim 2, characterized in that: The temperature control unit (4) comprises a clamping half-tube (41), a heating plate (4101) is arranged inside the clamping half-tube (41), a heat conducting plate (41011) is fixedly welded to the inner wall of the heating plate (4101), the heat conducting plate (41011) passes through the inner wall of the clamping half-tube (41), and the heat conducting plate (41011) is attached to the outer wall of the liquid outlet pipe (102), the end surface of the first clamping half-tube (41) is provided with an insertion rod and an insertion hole, and the positions of the insertion rod and the insertion hole of the other clamping half-tube (41) correspond to those of the first one.

7. The enteral nutrition infusion device with adjustable nutrient ratio as claimed in claim 6, characterized in that: The temperature control unit (4) further comprises a temperature control module (42) and a heat preservation tube (43); a switch key (4201) and a temperature adjustment key are mounted on the top surface of the temperature control module (42); the switch key (4201) and the temperature adjustment key are respectively electrically connected to a controller inside the temperature control module (42); a temperature sensor (4202) is connected inside the temperature control module (42) through a circuit; the temperature sensor (4202) is attached to the outer wall of the liquid outlet tube (102); the temperature sensor (4202) is mounted inside the heat preservation tube (43); and the heat preservation tube (43) is sleeved on the outside of the liquid outlet tube (102).

8. The enteral nutrition infusion device with adjustable nutrient ratio as claimed in claim 1, characterized in that: The outer end of the threaded rod (5) is fixedly connected to a screwing block (501), and the outer end surface of the screwing block (501) is lower than the circular plate at the end of the push rod in the syringe.

9. The enteral nutrition infusion device with adjustable nutrient ratio according to claim 8, characterized in that: Three winding boxes (801) are installed inside the driving member (8), a micro motor is installed inside the winding box (801), and the controller is connected to the insertion switch (602) and the folding switch (603) respectively through circuits, a metal strip is connected to the driving shaft of the micro motor, and a hook (8011) is fixedly connected to the end of the metal strip, and the hook end of the hook (8011) is snapped into the slot (7011), and a round rod is fixedly connected to the front end surface of the driving member (8), a spring is arranged outside the round rod, and the end of the spring is connected to the connecting plate (701), and a threaded plate (802) is fixedly welded to the front end of the round rod, and the threaded plate (802) is connected to the rear end surface of the connecting plate (701).

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