CN111514029A

CN111514029A - Pressure-adjustable enteral nutrition input pump

Info

Publication number: CN111514029A
Application number: CN202010359199.2A
Authority: CN
Inventors: 谢勇; 刘洪沨; 刘跃武; 高维生
Original assignee: Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Current assignee: Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-08-11
Anticipated expiration: 2040-04-29
Also published as: CN111514029B

Abstract

The invention discloses a pressure-adjustable enteral nutrition input pump which comprises a monitoring original pipe and a nutrient solution input end which are communicated, wherein a monitor is communicated and arranged on the monitoring original pipe, the monitoring original pipe and the nutrient solution input end are communicated through a speed regulator, the speed regulator forms movable control intervals for the monitoring original pipe and the nutrient solution input end, the monitor and the speed regulator are both electrically communicated with a PLC (programmable logic controller), and the PLC controls the speed regulator to automatically regulate the output per unit time of the monitoring original pipe through information fed back by the monitor. According to the invention, after one end of the monitoring original pipe extends into the intestinal tract of the patient, the intestinal pressure of the intestinal tract of the patient can be automatically fed back to the PLC, and the PLC controls the speed regulator to increase or decrease the nutrient solution input amount per unit time from the nutrient solution input end to the monitoring original pipe according to the established intestinal pressure requirement, so that the internal intestinal pressure of the patient is controlled, the nutrient efficiency is increased, complications are reduced, and the safety of infusion is improved.

Description

Pressure-adjustable enteral nutrition input pump

Technical Field

The invention relates to the technical field of medical instruments, in particular to a pressure-adjustable enteral nutrition infusion pump.

Background

In the nutrition in the intestines of surgery, often need to adjust the nutrition tolerance function to patient's intestinal pressure, adopt traditional nutrition infusion pump in intestines at present mostly, can't monitor and adjust the input speed according to intestinal pressure (all at present are more traditional simple, all are simple through the naked eye observation, do not use the accurate detection of sensor, can search once on the net).

The existing technology carries out enteral nutrition input according to experience, can not accurately monitor the intestinal pressure of a patient and adjust the input speed according to the intestinal pressure, can not realize individuation, and can seriously generate negative effect on intestinal anastomosis healing. Reducing the nutrition efficiency, increasing the complications and being not beneficial to the recovery of the surgery of the patient.

Disclosure of Invention

The present invention is directed to a pressure-adjustable enteral feeding pump to solve the problems set forth in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a pressure adjustable enteral nutrition input pump, includes monitoring former pipe and the nutrient solution input end that the intercommunication set up, the intercommunication is provided with the monitor on the monitoring former pipe, be linked together through the speed regulator between monitoring former pipe and the nutrient solution input end, just the speed regulator is right the monitoring former pipe with the interval that the nutrient solution input end formed the activity control sets up, monitor and speed regulator all with PLC controller electrical intercommunication, and the PLC controller passes through the unit time output quantity of the information control speed regulator automatically regulated of monitor feedback to the monitoring former pipe.

Furthermore, one end of the nutrient solution input end is communicated with a nutrient solution input pump with pressure output, and nutrient solution input at one end of the nutrient solution input end is input at a constant speed in an equivalent manner.

Furthermore, the speed regulator comprises a shell, a ring wall is annularly arranged in the shell, the nutrient solution input end is communicated between the ring wall and the outer side wall of the shell, and the monitoring original pipe penetrates through the ring wall and is communicated to the inside of the monitoring original pipe.

Furthermore, a stop block is arranged in the annular wall in an assembling connection mode, the stop block is controlled to move relative to the annular wall through a traction assembly, and the traction assembly is electrically connected with the PLC.

Further, the traction assembly comprises a reel rotatably connected to the middle of the shell, a traction wire is connected to the reel, and the traction wire is fixedly connected with the stop blocks on the two sides respectively.

Further, the reel passes through the axis of rotation and the rotation of casing both sides wall is connected, and axis of rotation one end is connected and is provided with the motor of fixed mounting on the casing, motor and PLC controller electric connection.

Further, the dog is round platform form stainless steel piece, dog and rampart sliding fit, the middle part of dog slides and runs through and is provided with the slide bar, the slide bar level runs through the dog, and end and shells inner wall connect fixedly, and the slide bar is kept away from the terminal of casing lateral wall and is extended to the reel, and inlays and have spacing gasket, the peripheral cover of slide bar is equipped with the spring of connecting dog and shells inner wall.

Compared with the prior art, the invention has the beneficial effects that: after one end of the monitoring original pipe extends into the intestinal tract of a patient, the intestinal pressure of the intestinal tract of the patient can be automatically fed back to the PLC, and the PLC controls the speed regulator to increase or decrease the unit-time nutrient solution input amount of the nutrient solution input end to the monitoring original pipe according to the established intestinal pressure requirement, so that the internal intestinal pressure of the patient is controlled, the nutrient efficiency is increased, complications are reduced, and the safety of infusion is improved.

Drawings

Fig. 1 is a schematic diagram of a pressure-adjustable enteral feeding pump.

Fig. 2 is a schematic diagram of a governor in a pressure-adjustable enteral feeding pump.

In the figure: 1-monitoring a primary pipe, 2-a speed regulator, 21-a shell, 22-a motor, 23-a reel, 24-a ring wall, 25-a stop block, 26-a slide bar, 27-a traction line, 3-a nutrient solution input end, 4-a monitor and 5-a PLC controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, in an embodiment of the present invention, a pressure-adjustable enteral nutrition input pump includes a monitoring source tube 1 and a nutrition liquid input end 3, which are arranged in a communicating manner, a monitor 4 is arranged on the monitoring source tube 1 in a communicating manner, the monitoring source tube 1 and the nutrition liquid input end 3 are communicated with each other through a speed regulator 2, the speed regulator 2 is arranged at an interval for movably controlling the monitoring source tube 1 and the nutrition liquid input end 3, the monitor 4 and the speed regulator 2 are both electrically communicated with a PLC controller 5, and the PLC controller 5 controls the speed regulator 2 to automatically adjust a unit time output quantity to the monitoring source tube 1 through information fed back by the monitor 4.

One end of the nutrient solution input end 3 is communicated with a nutrient solution input pump with pressure output, nutrient solution is injected into the speed regulator 2 through the nutrient solution input pump, and the nutrient solution input at one end of the nutrient solution input end 3 is input at a constant speed in an equivalent manner.

Therefore, after one end of the monitoring original pipe 1 extends into the intestinal tract of a patient, the intestinal pressure of the intestinal tract of the patient can be automatically fed back to the PLC 5, and the PLC 5 controls the speed regulator 2 to increase or decrease the nutrient solution input amount of the nutrient solution input end 3 to the monitoring original pipe 1 in unit time according to the established intestinal pressure requirement, so that the internal intestinal pressure of the patient is controlled, and the safety of infusion is improved.

Example 2

Referring to fig. 2, in an embodiment of the present invention, based on embodiment 1, the speed regulator 2 includes a housing 21, an annular wall 24 is annularly disposed in the housing 21, the nutrient solution input end 3 is disposed between the annular wall 24 and an outer side wall of the housing 21 in a communicating manner, the monitoring pipe 1 penetrates through the annular wall 24 and is communicated to an inside of the monitoring pipe 1, a stopper 25 is disposed in the annular wall 24 in an assembling manner, the stopper 25 controls a relative movement with the annular wall 24 through a pulling assembly, and the pulling assembly is electrically connected to the PLC controller 5.

The traction assembly comprises a reel 23 which is rotatably connected to the middle of the shell 21, a traction wire 27 is connected to the reel 23, and the traction wire 27 is fixedly connected with the stoppers 25 on two sides respectively. The reel 23 is connected with the two side walls of the shell 21 through a rotating shaft in a rotating mode, one end of the rotating shaft is connected with a motor 22 fixedly installed on the shell 21, and the motor 22 is electrically connected with the PLC 5. Dog 25 is round platform form stainless steel piece, dog 25 and rampart 24 sliding fit, the middle part of dog 25 slides and runs through and is provided with slide bar 26, slide bar 26 level runs through dog 25, and terminal and casing 21 inner wall connection are fixed, and slide bar 26 keeps away from the terminal to reel 23 extension of casing 21 lateral wall, and inlays and have spacing gasket, the peripheral cover of slide bar 26 is equipped with the spring of connecting dog 25 and casing 21 inner wall, and when reel 23 pulled dog 25 and removed, dog 25 slided on slide bar 26, and the distance between dog 25 and rampart 24 increases, and the peripheral annular cavity that constitutes through rampart 24 and casing 21 flows in the flow of inside circular cavity just is big more, and the nutrient solution output pressure that flows in and flow out through monitoring pipe 1 from nutrient solution input 3 just naturally increases like this.

The working principle of the invention is as follows: nutrient solution is injected from one end of a nutrient solution input end 3, enters a speed regulator 2, flows into an internal circular cavity through an annular cavity formed by separating a ring wall 24 and a shell 21, one end of a monitoring original pipe 1 extends into an intestinal tract, intestinal pressure in the intestinal tract of a patient can be sensed through a monitor 4, a PLC (programmable logic controller) 5 rotates a control motor 22 according to the feedback of the intestinal pressure, the motor 22 drives a reel 23 to rotate, namely, a winding or loosening pull wire 27 can be controlled, the pull wire 27 can drive a stop block 25 to slide on a slide rod 26 during movement, a gap between the stop block 25 and the ring wall 24 can be controlled through the sliding of the stop block 25 and the slide rod 26, the nutrient solution input from the nutrient solution input end 3 to the ring wall 24 and the shell 21 enters the internal circular cavity formed by the ring wall 24 and the shell 21 through the gap between the stop block 25 and the ring wall 24, and the gap between the stop block 25 and the ring wall 24 is increased, the larger the flow entering the interior is, the higher the pressure output by the flow is, and conversely, when the flow entering the inner circular cavity is reduced, the synchronous reduction of the pressure output is, so that the internal intestinal pressure of the patient during transfusion can be automatically regulated and controlled according to the established requirement, and the intestinal damage of the patient is avoided.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a pressure adjustable enteral nutrition input pump, includes monitoring former pipe (1) and nutrient solution input end (3) that the intercommunication set up, the intercommunication is provided with monitor (4) on monitoring former pipe (1), its characterized in that, be linked together through speed regulator (2) between monitoring former pipe (1) and the nutrient solution input end (3), just speed regulator (2) are right monitoring former pipe (1) with nutrient solution input end (3) form the interval setting of activity control, monitor (4) and speed regulator (2) all with PLC controller (5) electric intercommunication, and PLC controller (5) through information control speed regulator (2) automatically regulated of monitor (4) feedback to the unit time output of monitoring former pipe (1).

2. The pressure-adjustable enteral feeding pump according to claim 1, wherein the speed regulator (2) comprises a housing (21), an annular wall (24) is annularly arranged in the housing (21), the nutrient solution input end (3) is communicatively arranged between the annular wall (24) and the outer side wall of the housing (21), and the monitoring pipe (1) penetrates through the annular wall (24) and is communicated to the inside of the monitoring pipe (1).

3. The pressure-adjustable enteral feeding pump according to claim 2, wherein one end of the nutrient solution input end (3) is communicated with the nutrient solution input pump with a pressure output, and the nutrient solution input at one end of the nutrient solution input end (3) is input at a constant speed and in equal quantity.

4. A pressure-adjustable enteral feeding pump according to claim 2, wherein a stop (25) is provided in the annular wall (24) in a fitting connection, said stop (25) being controlled to move relative to the annular wall (24) by a pulling assembly, said pulling assembly being electrically connected to the PLC controller (5).

5. The pressure-adjustable enteral feeding pump according to claim 4, wherein the pulling assembly comprises a reel (23) rotatably connected to the middle of the housing (21), the reel (23) is provided with a pulling wire (27) in a connecting manner, and the pulling wire (27) is respectively connected and fixed with the stoppers (25) at the two sides.

6. The pressure-adjustable enteral feeding pump according to claim 5, wherein the reel (23) is rotatably connected with two side walls of the housing (21) through a rotating shaft, one end of the rotating shaft is connected with a motor (22) fixedly installed on the housing (21), and the motor (22) is electrically connected with the PLC (5).

7. The pressure-adjustable enteral feeding pump according to claim 5 or 6, wherein the stopper (25) is a truncated cone-shaped stainless steel block, the stopper (25) is in sliding fit with the annular wall (24), a sliding rod (26) is arranged in the middle of the stopper (25) in a sliding and penetrating manner, the sliding rod (26) horizontally penetrates through the stopper (25), the tail end of the sliding rod (26) is fixedly connected with the inner wall of the casing (21), the tail end of the sliding rod (26), which is far away from the side wall of the casing (21), extends towards the reel (23) and is inlaid with a limiting gasket, and a spring for connecting the stopper (25) with the inner wall of the casing (21) is sleeved on the periphery of the sliding rod (26).