CN112915030A - Postoperative enteral nutrition administration device - Google Patents
Postoperative enteral nutrition administration device Download PDFInfo
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- CN112915030A CN112915030A CN202110165783.9A CN202110165783A CN112915030A CN 112915030 A CN112915030 A CN 112915030A CN 202110165783 A CN202110165783 A CN 202110165783A CN 112915030 A CN112915030 A CN 112915030A
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- 235000016709 nutrition Nutrition 0.000 title claims abstract description 44
- 230000035764 nutrition Effects 0.000 title claims abstract description 44
- 230000002980 postoperative effect Effects 0.000 title claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 180
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 46
- 235000015097 nutrients Nutrition 0.000 claims abstract description 40
- 238000004321 preservation Methods 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 10
- 210000000936 intestine Anatomy 0.000 claims abstract description 8
- 230000000249 desinfective effect Effects 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 57
- 238000010438 heat treatment Methods 0.000 claims description 43
- 239000000110 cooling liquid Substances 0.000 claims description 34
- 238000004140 cleaning Methods 0.000 claims description 25
- 230000001954 sterilising effect Effects 0.000 claims description 14
- 238000001802 infusion Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 38
- 238000000034 method Methods 0.000 description 7
- 238000012377 drug delivery Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 235000016236 parenteral nutrition Nutrition 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 206010003694 Atrophy Diseases 0.000 description 1
- 206010012735 Diarrhoea Diseases 0.000 description 1
- 208000000461 Esophageal Neoplasms Diseases 0.000 description 1
- 206010030155 Oesophageal carcinoma Diseases 0.000 description 1
- 208000005718 Stomach Neoplasms Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 201000004101 esophageal cancer Diseases 0.000 description 1
- 206010017758 gastric cancer Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007358 intestinal barrier function Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 210000004877 mucosa Anatomy 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0026—Parts, details or accessories for feeding-tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0026—Parts, details or accessories for feeding-tubes
- A61J15/0069—Tubes feeding directly to the intestines, e.g. to the jejunum
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0026—Parts, details or accessories for feeding-tubes
- A61J15/0092—Valves on feeding tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J2200/00—General characteristics or adaptations
- A61J2200/40—Heating or cooling means; Combinations thereof
- A61J2200/42—Heating means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J2200/00—General characteristics or adaptations
- A61J2200/40—Heating or cooling means; Combinations thereof
- A61J2200/44—Cooling means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the technical field of medical instruments, in particular to a postoperative enteral nutrition feeding device, which comprises a cooling chamber, a disinfecting chamber, a secondary cooling chamber and a heat preservation chamber which are arranged in the feeding device from top to bottom, wherein the cooling chamber is communicated with a liquid guide pipe used for conveying enteral nutrition liquid into the cooling chamber; the bottom of the cooling chamber is communicated with the disinfection chamber, a pressure valve is arranged at the communication position between the cooling chamber and the disinfection chamber, a sterilizer is arranged in the disinfection chamber, the bottom of the disinfection chamber is communicated with a second cooling chamber, the bottom of the second cooling chamber is communicated with a heat preservation chamber, and the heat preservation chamber is communicated with a conduit for conveying enteral nutrient solution into the intestines of patients, so that the problem that the risk that the enteral nutrient solution in the administration device is polluted and deteriorated due to multiple unsealing of the administration device is increased is solved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a postoperative enteral nutrition administration device.
Background
There are many diseases in clinical medicine that can lead to patients not eating food normally through the mouth. When the patients take food and nutrition, the nutrition support needs to be given in a special mode, and the two ways of parenteral nutrition and enteral nutrition supply are clinically included.
The enteral nutrition supply route is the most widely applied and optimal choice with safety and effectiveness at present, mainly a nutrition support mode for providing nutrient substances needed by metabolism and other various nutrients through gastrointestinal tracts, aiming at patients who cannot eat food before operation or cannot eat food through mouths in a short time after operation, such as gastric cancer, esophageal cancer and the like, the enteral nutrition stored in a drug delivery device is pumped into intestines of the patients, and the enteral nutrition supply route is more in line with the natural physiological process of the human body than parenteral nutrition supply and can prevent gastrointestinal tract mucosa atrophy and protect intestinal barrier function without serious complications and has relatively low cost.
The conventional enteral nutrition therapy for patients is performed in a specific manner such as: unsealing the administration device, mixing the solute of the nutrient substances required by the human body with the solvent according to a set proportion, sealing the administration device again after mixing, and finally pumping the prepared nutrient substances into the intestines of the patients through the mutual matching of the injection pump and the catheter.
In clinical practice, the pumping speed of enteral nutrition is usually 20-50 ml/hr (milliliters/hour), the volume of a standard enteral nutrition administration device is usually 500ml, if the device is opened and continuously infused for a long time, the time consumption is too long, the enteral nutrition in the administration device can be deteriorated due to the prolonged standing time at normal temperature, and diarrhea can be caused to patients after the infusion.
In view of the above situation, the current solution is to pour out a part of the enteral nutrition solution in the administration device in advance, hold the enteral nutrition solution in other containers, and store the enteral nutrition solution in a refrigerator at 4 ℃; after the residual enteral nutrient solution in the administration device is injected, the enteral nutrient solution contained in other containers is poured into the administration device for continuous injection.
However, in the process of delivering the enteral nutrition solution, in order to ensure the physical health of the patient and the recovery speed of the enteral nutrition solution as much as possible, the interior of the administration device which is usually used is disinfected in advance, and the relative sealing of the administration device is ensured, so as to avoid the pollution of the external environment.
Disclosure of Invention
The invention aims to provide a postoperative enteral nutrition administration device, which solves the problems that the administration device in the prior art needs to be opened for a plurality of times, so that the risk of deterioration caused by contamination of enteral nutrition liquid in the administration device is increased, and the postoperative recovery of a patient is greatly influenced.
In order to solve the technical problems, the basic scheme of the invention is as follows:
the postoperative enteral nutrition administration device comprises a cooling chamber, a disinfection chamber, a secondary cooling chamber and a heat preservation chamber which are arranged in the administration device from top to bottom, wherein the cooling chamber is communicated with a liquid guide pipe used for conveying enteral nutrition liquid into the cooling chamber, the outer wall of the cooling chamber is provided with a first cooling channel, and the first cooling channel is communicated with a cooling liquid supply chamber;
the bottom of the cooling chamber is communicated with the disinfection chamber, a pressure valve is arranged at the communication position between the cooling chamber and the disinfection chamber, a disinfector is arranged in the disinfection chamber, and the bottom of the disinfection chamber is communicated with a second cooling chamber;
the second cooling chamber comprises a rotating disk and a cooling stirring rod which is hollow inside, the left side and the right side of the second cooling chamber are both provided with the rotating disk, the left rotating disk and the right rotating disk are respectively in rotating connection with the left side wall and the right side wall of the second cooling chamber, the left rotating disk and the right rotating disk are connected together through the cooling stirring rod, the rotating disk is provided with a transfusion channel communicated with the inside of the cooling stirring rod, the rotating disk positioned on the right side of the second cooling chamber is connected with a connecting pipeline in a rotating connection mode;
the left side of the rotating disc positioned on the left side of the second cooling chamber is provided with an accommodating groove, the left side of the accommodating groove is communicated with a connecting channel, the other end of the connecting channel is communicated with the cooling liquid supply chamber, the rotating disc positioned on the left side of the second cooling chamber is fixedly connected with a hollow rotating shaft, the other side of the rotating shaft is arranged in the accommodating groove, one side of the rotating shaft arranged in the accommodating groove is provided with a through hole for communicating the interior of the rotating shaft with the accommodating groove, one side of the rotating shaft connected with the rotating disc is provided with an opening communicated with the infusion channel, the left end of the rotating shaft is also connected with a rotating blade, one side of the rotating blade is arranged in the connecting channel, the other side of the rotating blade;
the outer wall of the second cooling chamber is provided with a second cooling channel, one side of the second cooling channel is communicated with the accommodating groove, the other side of the second cooling channel is communicated with a liquid outlet channel, the liquid outlet channel is also communicated with a liquid conveying channel on a rotating disc on the right side of the second cooling chamber through a connecting pipeline, the connecting pipeline is rotationally connected with the rotating disc, the liquid outlet channel is also connected with a hydraulic pump, and the other end of the hydraulic pump is connected with a cooling liquid supply chamber;
the bottom of the second cooling chamber is communicated with the heat preservation chamber, the heating pipe is arranged at the bottom of the heat preservation chamber, an output port is formed in the side wall of the bottom of the heat preservation chamber, and the output port is communicated with a conduit for conveying the enteral nutrient solution into the intestines of the patient.
Further, a first pressure valve is arranged between the first cooling channel and the cooling liquid supply cavity, a second pressure valve is arranged between the connecting channel and the cooling liquid supply cavity, and a third pressure valve is arranged at the communication position of the accommodating groove and the second cooling channel.
Further, the sterilizer is a pasteurizer, the sterilizer comprises a heating power supply and a heating sterilizing rod, and one end of the heating sterilizing rod is electrically connected with the heating power supply.
Furthermore, one end of the heating and disinfecting rod is also connected with an electric motor, and the electric motor is rotationally connected with the heating and disinfecting rod.
Further, still be equipped with the stirring piece on the cylinder of heating disinfection stick, the stirring piece sets up along the axis spiral of heating disinfection stick.
Furthermore, a flow limiting block is arranged at the communication position between the disinfection chamber and the second cooling chamber, and a plurality of flow limiting through holes are formed in the flow limiting block.
Further, the second cooling chamber is columnar, and the outer wall of the cooling stirring rod is attached to the inner wall of the second cooling chamber and is in sliding connection with the inner wall of the second cooling chamber.
Further, the cooling stirring rod comprises a cleaning strip, the cleaning strip is arranged on the outer wall of the cooling stirring rod along the axis of the cooling stirring rod, the outer wall of the cooling stirring rod is connected with the inner wall of the second cooling cavity in a sliding mode through the cleaning strip, and the cleaning strip is made of food-grade silica gel materials.
Furthermore, the cross section of the cleaning strip is triangular, the tip end of the cleaning strip is connected with the inner wall of the second cooling chamber in a sliding mode, and the other end of the cleaning strip is fixedly connected with the cooling stirring rod.
When a patient needs to take the enteral nutrient solution, the prepared enteral nutrient solution is firstly conveyed into the cooling chamber, then enters the sterilizing chamber, the secondary cooling chamber and the heat preservation chamber through the catheter, and finally the enteral nutrient solution is conveyed into the patient through the pipeline connected with the intestine of the patient, and the time for the patient to take food is long, so that the enteral nutrient solution can be stored through the pressure valve between the cooling chamber and the sterilizing chamber, when the enteral nutrient solution in the chamber needing to be cooled is continuously conveyed into the sterilizing chamber, the secondary cooling chamber and the heat preservation chamber below and further conveyed into the body of the patient, the enteral nutrient solution can be conveyed through the external equipment (such as a pump) so as to increase the output pressure of the enteral nutrient solution, so that the pressure valve is opened to continuously realize the conveying of the enteral nutrient solution, thereby ensuring that the subsequent enteral nutrient solution can be well stored, without the problem of deterioration due to long-term standing. In addition, the scheme can completely convey all enteral nutrient solutions which are needed to be taken by a configured patient once to the medicine feeding device without unsealing for many times, and solves the problems that the administration device in the prior art needs unsealing for many times usually, so that the risk that the enteral nutrient solutions in the administration device are polluted and deteriorated is increased, and the postoperative recovery of the patient is greatly adversely affected.
In addition, in order to enable the enteral nutrient solution to be in a healthy edible state as far as possible, the enteral nutrient solution is sterilized at high temperature in the sterilization chamber, and the enteral nutrient solution after high-temperature sterilization is cooled and eaten by the second cooling chamber and then is conveyed into the heat-insulating chamber for heat insulation, so that the safety and the health of the patient after eating are facilitated. In addition, the scheme also considers that the enteral nutrient solution in the second cooling chamber becomes viscous and has slow flow velocity after being cooled, so that the enteral nutrient solution can be cooled by the cooling stirring rod on the one hand, and the enteral nutrient solution can be stirred by the rotation of the cooling stirring rod, so that the enteral nutrient solution cannot become excessively viscous and difficult to flow due to cooling, and the rotating cooling stirring rod can stir in the rotating process and can uniformly cool the enteral nutrient solution in the second cooling chamber, thereby avoiding that some enteral nutrient solution far away from the cooling stirring rod cannot be rapidly cooled.
And the realization of its rotation function of cooling stirring rod, then the accessible hydraulic pump with the pressure of coolant liquid pump income connecting channel, make the rotating vane pressurized and rotatory, thereby just can realize driving the function that pivot, rotary disk and cooling stirring rod rotate together, and also consider that the cooling effect of second cooling chamber must be more rapid, must finish just cooling it before enteral nutrient solution flows out the second cooling chamber, consequently be equipped with second cooling channel on the outer wall of second cooling chamber, make it can let in the coolant liquid, can carry out more rapid cooling to enteral nutrient solution.
And the heating disinfection stick in this scheme can rotate under electric motor's drive to drive the heating disinfection stick and rotate, make the heating disinfection stick not only can reach sterile effect, but also can realize the function of stirring to the enteral nutrition liquid that gets into the disinfection cavity at the in-process of heating disinfection, make enteral nutrition liquid can be more abundant by the heating disinfection, and the stirring piece of the spiral that sets up on the heating disinfection stick, make the effect of stirring better.
The flow limiting block at the communication position between the disinfection cavity and the second cooling cavity plays a role in limiting flow, and the problem that the enteral nutrient solution in the disinfection cavity is not sufficiently disinfected yet and is conveyed into the next cavity due to the fact that the flow rate of the enteral nutrient solution is too high is solved.
The second cooling chamber is columnar, and the outer wall of the cooling stirring rod is attached to the inner wall of the second cooling chamber and is in sliding connection with the inner wall of the second cooling chamber. When the cooling stirring rod is at the rotatory in-process of the central axis around the second cooling chamber, the outer wall of rotatory stirring rod just can scrape remaining comparatively thick enteral nutrition liquid on the second cooling chamber inner wall, and can be thrown away under its rotatory centrifugal force effect, thereby make remaining enteral nutrition liquid also can be carried away, guarantee to carry the volume of the enteral nutrition liquid of eating for the patient, avoid too much extravagant, also be convenient for simultaneously to the cleanness of second cooling chamber inner wall.
The outer wall at the cooling stirring rod sets up the clean strip that the cross-section is triangle-shaped, can increase its clean ability in the rotatory time of cooling stirring rod, makes the enteral nutrition liquid on the second cooling chamber inner wall can be scraped more totally.
Drawings
FIG. 1 is a front cross-sectional view of a first embodiment of a postoperative enteral feeding set according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a front cross-sectional view of a second embodiment of the postoperative enteral feeding set of the present invention;
FIG. 4 is a front cross-sectional view of a third embodiment of the postoperative enteral feeding set of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a drug delivery device 1, a cooling liquid supply chamber 2, a first pressure valve 3, a first cooling channel 4, a cooling chamber 5, a second pressure valve 6, a connecting channel 7, a rotating blade 8, a rotating shaft 9, a through hole 10, a third pressure valve 11, a rotating disk 12, a second cooling channel 13, a cooling stirring rod 14, a second cooling chamber 15, a heat preservation chamber 16, a heating pipe 17, a guide pipe 18, a connecting pipeline 19, a liquid outlet channel 20, a handle 21, a hydraulic pump 22, a liquid guide pipe 23, a flow limiting block 24, an electric motor 25, a pressure valve 26, a heating disinfection rod 27 and a cleaning strip 28.
Example one
An embodiment substantially as shown in figure 1: postoperative enteral nutrition dosing device, including locating the inside cooling chamber 5 of dosing device 1 from top to bottom, disinfection chamber, secondary cooling chamber 5 and heat preservation chamber 16, cooling chamber 5 intercommunication has the catheter 23 that is arranged in carrying enteral nutrition liquid into cooling chamber 5 (catheter 23 can be connected with the pump, rely on the power of pump to carry enteral nutrition liquid into cooling chamber 5), cooling chamber 5 outer wall is equipped with first cooling channel 4, first cooling channel 4 intercommunication has coolant supply chamber 2, be equipped with first pressure valve 3 between first cooling channel 4 and the coolant supply chamber 2.
5 bottoms of cooling chamber and disinfection cavity intercommunication, and the intercommunication department between cooling chamber 5 and the disinfection cavity is equipped with pressure valve 26, be equipped with the sterilizer in the disinfection cavity, this sterilizer is the pasteurizer, this sterilizer includes heating power supply and heating disinfection stick 27, be equipped with the stirring vane on the cylinder of heating disinfection stick 27, the axis spiral setting of stirring vane along heating disinfection stick 27, and heating disinfection stick 27 right-hand member is connected with the heating power supply electricity, heating disinfection stick 27 right-hand member still rotates and is connected with electric motor 25, and disinfection cavity bottom intercommunication has second cooling chamber 15, intercommunication department between disinfection cavity and the second cooling chamber 15 is equipped with current limiting block 24, be equipped with a plurality of current limiting through-holes on the current limiting block 24.
As shown in fig. 1 and 2, the second cooling chamber 15 includes a rotating disk 12 and a cooling stirring rod 14 with a hollow interior, the rotating disk 12 is disposed on both left and right sides of the second cooling chamber 15, the left and right rotating disks 12 are respectively connected with left and right side walls of the second cooling chamber 15 in a rotating manner, the left and right rotating disks 12 are connected together through the cooling stirring rod 14, an infusion channel communicated with the hollow interior of the cooling stirring rod 14 is disposed on the rotating disk 12, and the rotating disk 12 on the right side of the second cooling chamber 15 is connected with a connecting pipeline 19 in a rotating manner.
The left side of the rotating disk 12 positioned at the left side of the second cooling chamber 15 is provided with an accommodating groove, the left side of the accommodating groove is communicated with a connecting channel 7, the other end of the connecting channel 7 is communicated with the cooling liquid supply chamber 2, a second pressure valve 6 is arranged between the connecting channel 7 and the cooling liquid supply chamber 2, and the rotating disk 12 at the left side of the second cooling chamber 15 is fixedly connected with a hollow rotating shaft 9, the other side of the rotating shaft 9 is arranged in the accommodating groove, and one side of the rotating shaft 9 arranged in the accommodating groove is provided with a through hole 10 communicating the inside of the rotating shaft 9 with the accommodating groove, one side of the rotating shaft 9 connected with the rotating disc 12 is provided with an opening communicated with the transfusion channel, the left end of the rotating shaft 9 is also connected with a rotating blade 8, one side of the rotating blade 8 is arranged in the connecting channel 7, the other side is arranged in the accommodating groove, and the width of the rotary blade 8 is the same as that of the connecting channel 7, and both side walls of the rotary blade 8 are slidably connected with the inner wall of the connecting channel 7.
The outer wall of the second cooling chamber 15 is provided with a second cooling channel 13, the left side of the second cooling channel 13 is communicated with the accommodating groove, a third pressure valve 11 is arranged at the communication position of the accommodating groove and the second cooling channel 13, the right side of the second cooling channel 13 is communicated with a liquid outlet channel 20, the liquid outlet channel 20 is further communicated with a liquid conveying channel on a rotating disc 12 on the right side of the second cooling chamber 15 through a connecting pipeline 19, the liquid outlet channel 20 is further connected with a hydraulic pump 22, the other end of the hydraulic pump 22 is connected with the cooling liquid supply chamber 2, the right side of the outer wall of the drug delivery device 1 is provided with a handle 21, and the liquid outlet channel 20 and the hydraulic.
The bottom of the second cooling chamber 15 is communicated with a heat preservation chamber 16, the bottom of the heat preservation chamber 16 is provided with a heating pipe 17, the right side wall of the bottom of the heat preservation chamber 16 is provided with an output port, and the output port is communicated with a conduit 18 for infusing enteral nutrition liquid into the intestines of the patient.
In this embodiment, temperature sensors (not shown) may be further installed in the heat preservation chamber 16 and the sterilization chamber, a controller (not shown) is installed inside the outer wall of the drug delivery device 1, a touch screen (not shown) is installed on the outer wall of the drug delivery device 1, the touch screen is electrically connected with the controller, the temperature sensors installed in the heat preservation chamber 16 and the sterilization chamber are respectively electrically connected with the controller, the heating sterilization rod 27 in the sterilization chamber and the heating pipe 17 in the heat preservation chamber 16 are respectively electrically connected with the controller, and the hydraulic pump 22 may also be electrically connected with the controller. When the device is used, the device can be directly connected with a controller through the touch screen, so that the opening and closing of the hydraulic pump 22 and the heating temperature of the heating pipe 17 and the heating disinfection rod 27 are controlled, and the temperature of the temperature sensor can be read through the controller to be displayed through the touch screen.
It should be noted that, the data of the temperature sensor is read by the controller and then transmitted to the touch screen, and is displayed by the touch screen, which is not described herein again in the prior art; the opening and closing commands of the hydraulic pump 22 are sent to the controller through the touch screen, and the opening and closing of the hydraulic pump 22 is controlled by the controller in the prior art, which is not described again; it is also prior art to send a temperature control command to the controller through the touch screen, and the controller controls the heating temperature of the heating tube 17 and the heating disinfection rod 27, which is not described herein.
The specific implementation process is as follows: when in use, firstly, the hydraulic pump 22 pressurizes the cooling liquid stored in the cooling liquid supply chamber 2, so that the pressure of the cooling liquid can open the first pressure valve 3, and the cooling liquid enters the first cooling channel 4, when the first cooling channel 4 is filled with the cooling liquid, the hydraulic pump 22 continues to pressurize the cooling liquid, so that the second pressure valve 6 between the connecting channel 7 and the cooling liquid supply chamber 2 can be opened, and the pressurized cooling liquid enters the connecting channel 7, after the pressurized cooling liquid enters the connecting channel 7, because the connecting channel 7 is provided with the rotating blade 8 with the same width as the connecting channel 7, the rotating blade 8 starts to rotate under the action of the pressurized cooling liquid, and when the rotating blade 8 in the connecting channel 7 rotates to the lower accommodating tank, the cooling liquid is also taken out to enter the accommodating tank, and the accumulation of the pressurized cooling liquid in the accommodating tank is increased, the cooling liquid can enter the liquid feeding channel of the left rotating disc 12 in sequence through the through hole 10 on the rotating shaft 9, then enter the hollow cooling stirring rod 14, finally flow into the liquid outlet channel 20 through the liquid feeding channel of the right rotating disc 12 and the connecting pipeline 19 on the right side of the rotating disc 12, the cooling liquid entering the liquid outlet channel 20 can flow back to the cooling liquid supply chamber 2 under the action of the hydraulic pump 22, after the pressure of the cooling liquid in the holding tank reaches the standard, the third pressure valve 11 at the communication part of the holding tank and the second cooling channel 13 is opened, so that the cooling liquid enters the second cooling channel 13, and the cooling liquid in the second cooling channel 13 finally flows into the liquid outlet channel 20 under the continuous cooling liquid conveying, so that the purpose of circular release of the cooling liquid is achieved.
After the cooling liquid is released completely, the liquid guiding tube 23 for pumping the enteral nutrition liquid pumps the enteral nutrition liquid into the cooling chamber 5 by the power of the pump, after the pressure in the cooling chamber 5 reaches the standard, the pressure valve 26 is opened, the enteral nutrition liquid is conveyed into the disinfection chamber, after the stirring and the heating sterilization by the sterilizer, the enteral nutrition liquid slowly enters the second cooling chamber 15 through the flow limiting block 24, the enteral nutrition liquid entering the second cooling chamber 15 is cooled to a temperature suitable for the patient, in order to prevent the enteral nutrition liquid cooled rapidly from being too viscous, the enteral nutrition liquid is processed by cooling the stirring rod 14 in a stirring manner while cooling, so that the enteral nutrition liquid can be conveyed into the heat preservation chamber 16 more easily, and then conveyed into the patient intestine for the patient to eat through the guiding tube 18.
Example two
As shown in fig. 3, the difference between the second embodiment and the first embodiment is that the second cooling chamber 15 is columnar, and the outer wall of the cooling stirring rod 14 is attached to and slidably connected with the inner wall of the second cooling chamber 15.
When the cooling stirring rod 14 rotates around the central axis of the second cooling chamber 15, the outer wall of the rotating stirring rod can scrape off the viscous enteral nutrient solution remained on the inner wall of the second cooling chamber 15, and the viscous enteral nutrient solution can be thrown out under the action of the rotating centrifugal force, so that the remained enteral nutrient solution can be conveyed away, the volume of the enteral nutrient solution conveyed to a patient for eating is ensured, the waste is avoided, and the cleaning of the inner wall of the second cooling chamber 15 is facilitated.
EXAMPLE III
As shown in fig. 4, the difference between the third embodiment and the second embodiment is that the cooling stirring rod 14 includes a cleaning strip 28, the cross section of the cleaning strip 28 is triangular, the tip end of the cleaning strip 28 is slidably connected to the inner wall of the second cooling chamber 15, the other end of the cleaning strip is fixedly connected to the cooling stirring rod 14, the cleaning strip 28 is disposed on the outer wall of the cooling stirring rod 14 along the axis of the cooling stirring rod 14, the outer wall of the cooling stirring rod 14 is slidably connected to the inner wall of the second cooling chamber 15 through the cleaning strip 28, and the cleaning strip 28 is made of food-grade silica gel material.
The cleaning strips 28 with the triangular cross section are arranged on the outer wall of the cooling stirring rod 14, so that the cleaning capacity of the cooling stirring rod 14 can be increased when the cooling stirring rod rotates, and the enteral nutrient solution on the inner wall of the second cooling chamber 15 can be scraped more cleanly.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims should be determined by the content of the claims, and the description of the specific embodiments and the like in the specification should be used for explaining the content of the claims.
Claims (9)
1. Postoperative enteral nutrition device of dosing which characterized in that: the device comprises a cooling chamber, a disinfection chamber, a secondary cooling chamber and a heat preservation chamber which are arranged in the administration device from top to bottom, wherein the cooling chamber is communicated with a liquid guide pipe used for conveying enteral nutrient solution into the cooling chamber;
the bottom of the cooling chamber is communicated with the disinfection chamber, a pressure valve is arranged at the communication position between the cooling chamber and the disinfection chamber, a disinfector is arranged in the disinfection chamber, and the bottom of the disinfection chamber is communicated with a second cooling chamber;
the second cooling chamber comprises a rotating disk and a cooling stirring rod which is hollow inside, the left side and the right side of the second cooling chamber are both provided with the rotating disk, the left rotating disk and the right rotating disk are respectively in rotating connection with the left side wall and the right side wall of the second cooling chamber, the left rotating disk and the right rotating disk are connected together through the cooling stirring rod, the rotating disk is provided with a transfusion channel communicated with the inside of the cooling stirring rod, the rotating disk positioned on the right side of the second cooling chamber is connected with a connecting pipeline in a rotating connection mode;
the left side of the rotating disc positioned on the left side of the second cooling chamber is provided with an accommodating groove, the left side of the accommodating groove is communicated with a connecting channel, the other end of the connecting channel is communicated with the cooling liquid supply chamber, the rotating disc positioned on the left side of the second cooling chamber is fixedly connected with a hollow rotating shaft, the other side of the rotating shaft is arranged in the accommodating groove, one side of the rotating shaft arranged in the accommodating groove is provided with a through hole for communicating the interior of the rotating shaft with the accommodating groove, one side of the rotating shaft connected with the rotating disc is provided with an opening communicated with the infusion channel, the left end of the rotating shaft is also connected with a rotating blade, one side of the rotating blade is arranged in the connecting channel, the other side of the rotating blade;
the outer wall of the second cooling chamber is provided with a second cooling channel, one side of the second cooling channel is communicated with the accommodating groove, the other side of the second cooling channel is communicated with a liquid outlet channel, the liquid outlet channel is also communicated with a liquid conveying channel on a rotating disc on the right side of the second cooling chamber through a connecting pipeline, the connecting pipeline is rotationally connected with the rotating disc, the liquid outlet channel is also connected with a hydraulic pump, and the other end of the hydraulic pump is connected with a cooling liquid supply chamber;
the bottom of the second cooling chamber is communicated with the heat preservation chamber, the heating pipe is arranged at the bottom of the heat preservation chamber, an output port is formed in the side wall of the bottom of the heat preservation chamber, and the output port is communicated with a conduit for conveying the enteral nutrient solution into the intestines of the patient.
2. The post-operative enteral feeding set of claim 1, wherein: and a first pressure valve is arranged between the first cooling channel and the cooling liquid supply cavity, a second pressure valve is arranged between the connecting channel and the cooling liquid supply cavity, and a third pressure valve is arranged at the communication position of the accommodating groove and the second cooling channel.
3. The post-operative enteral feeding set of claim 1, wherein: the sterilizer is a pasteurizer, the sterilizer comprises a heating power supply and a heating sterilizing rod, and one end of the heating sterilizing rod is electrically connected with the heating power supply.
4. The post-operative enteral feeding set of claim 3, wherein: and one end of the heating and disinfecting rod is also connected with an electric motor, and the electric motor is rotationally connected with the heating and disinfecting rod.
5. The post-operative enteral feeding set of claim 4, wherein: the cylindrical surface of the heating and disinfecting rod is also provided with a stirring sheet which is spirally arranged along the axis of the heating and disinfecting rod.
6. The post-operative enteral feeding set of claim 1, wherein: and a flow limiting block is arranged at the communication part between the disinfection chamber and the second cooling chamber, and a plurality of flow limiting through holes are formed in the flow limiting block.
7. The post-operative enteral feeding set of claim 1, wherein: the second cooling chamber is columnar, and the outer wall of the cooling stirring rod is attached to the inner wall of the second cooling chamber and is in sliding connection with the inner wall of the second cooling chamber.
8. The post-operative enteral feeding set of claim 7, wherein: the cooling stirring rod comprises a cleaning strip, the cleaning strip is arranged on the outer wall of the cooling stirring rod along the axis of the cooling stirring rod, the outer wall of the cooling stirring rod is connected with the inner wall of the second cooling cavity in a sliding mode through the cleaning strip, and the cleaning strip is made of food-grade silica gel materials.
9. The post-operative enteral feeding set of claim 8, wherein: the cross section of the cleaning strip is triangular, the tip end of the cleaning strip is connected with the inner wall of the second cooling chamber in a sliding mode, and the other end of the cleaning strip is fixedly connected with the cooling stirring rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110165783.9A CN112915030A (en) | 2021-02-06 | 2021-02-06 | Postoperative enteral nutrition administration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110165783.9A CN112915030A (en) | 2021-02-06 | 2021-02-06 | Postoperative enteral nutrition administration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112915030A true CN112915030A (en) | 2021-06-08 |
Family
ID=76170987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110165783.9A Pending CN112915030A (en) | 2021-02-06 | 2021-02-06 | Postoperative enteral nutrition administration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112915030A (en) |
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2021
- 2021-02-06 CN CN202110165783.9A patent/CN112915030A/en active Pending
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Application publication date: 20210608 |