CN113599274A - Nutrient solution conveying device for esophageal cancer - Google Patents
Nutrient solution conveying device for esophageal cancer Download PDFInfo
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- CN113599274A CN113599274A CN202111069311.XA CN202111069311A CN113599274A CN 113599274 A CN113599274 A CN 113599274A CN 202111069311 A CN202111069311 A CN 202111069311A CN 113599274 A CN113599274 A CN 113599274A
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- 235000015097 nutrients Nutrition 0.000 title claims abstract description 100
- 208000000461 Esophageal Neoplasms Diseases 0.000 title claims abstract description 18
- 206010030155 Oesophageal carcinoma Diseases 0.000 title claims abstract description 18
- 201000004101 esophageal cancer Diseases 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 110
- 238000010438 heat treatment Methods 0.000 claims abstract description 86
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000001802 infusion Methods 0.000 claims abstract description 25
- 238000003860 storage Methods 0.000 claims description 40
- 230000002572 peristaltic effect Effects 0.000 claims description 33
- 238000012546 transfer Methods 0.000 claims description 19
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 210000002784 stomach Anatomy 0.000 claims description 11
- 238000005485 electric heating Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002496 gastric effect Effects 0.000 abstract description 8
- 235000016709 nutrition Nutrition 0.000 abstract description 5
- 230000035764 nutrition Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 210000000936 intestine Anatomy 0.000 description 7
- 230000032258 transport Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 6
- 238000000151 deposition Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000000968 intestinal effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000004998 Abdominal Pain Diseases 0.000 description 1
- 206010000060 Abdominal distension Diseases 0.000 description 1
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 206010012735 Diarrhoea Diseases 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008673 vomiting Effects 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
- A61J9/00—Feeding-bottles in general
-
- 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
- A61J15/0003—Nasal or oral feeding-tubes, e.g. tube entering body through nose or mouth
-
- 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
- A61J15/0076—Feeding pumps
-
- 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
- A61J2200/70—Device provided with specific sensor or indicating means
- A61J2200/72—Device provided with specific sensor or indicating means for temperature
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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)
- Otolaryngology (AREA)
- Pulmonology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the technical field of medical equipment, in particular to a nutrient solution conveying device for esophageal cancer, which comprises a gastrointestinal tube, a transfusion tube, a nutrient solution feeding mechanism, a heating tube sleeve and a temperature sensor, wherein the transfusion tube comprises a liquid inlet end and a liquid outlet end, the gastrointestinal tube is communicated with the liquid outlet end, the liquid inlet end is communicated with a transfusion port of the nutrient solution feeding mechanism, the heating tube sleeve is sleeved on the transfusion tube and extends along the length direction of the transfusion tube, the temperature of the inner cavity of the heating tube sleeve is gradually increased from the liquid inlet end to the liquid outlet end, the detection end of the temperature sensor is arranged in the inner cavity of the heating tube sleeve, the temperature sensor is positioned at the outer side of the liquid outlet end, the heating tube sleeve with the gradually increased temperature of the inner cavity is sleeved on the periphery of the transfusion tube, so that when the nutrient solution feeding mechanism conveys nutrition to a patient, the heating pipe sleeve can heat the infusion pipe at a constant speed so as to reduce power consumption and shorten preheating time.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a nutrient solution conveying device for esophageal cancer.
Background
Patients with esophageal cancer cannot normally eat through the esophagus and need to be enterally fed with nutritional liquids, and therefore need to deliver gastrointestinal nutritional liquids through the gastrointestinal tube to the stomach or intestines of the patient to ensure that the patient can take in sufficient protein and heat.
The transport of nutrient solution in the intestines is carried out to the pressurization of mostly adopting transfer line or syringe among the prior art, because the artificial intestine is fed operating time long, amazing patient's intestinal after the nutrient solution cooling, arouse patient abdominal distension, the abdominal pain easily, complication such as vomiting and diarrhea, and current conveyor only sets up a heater on certain subsection of transfer line, because of the length of transfer line is longer, there is not good, the inhomogeneous problem of temperature distribution of heating effect, and can't carry out effective control to the actual temperature of nutrient solution simultaneously, if the heating temperature is too high, not only can be inefficacy to arousing the nutrient solution, still can cause the influence to various enzyme activities in the intestinal.
Chinese patent CN201410195799.4 discloses a clinical enteral nutrition temperature control device and method, the nutrient solution in the nutrient solution bag and the infusion tube is heated by the heating bag and the heating tube respectively, the temperature of the nutrient solution in the bag and in the infusion tube is measured by the first temperature sensor and the second temperature sensor respectively, then the temperature of the heating bag and the heating tube is controlled by the automatic temperature controller according to the measured actual temperature, so that the temperature of the nutrient solution in the bag is kept at 22-24 ℃ all the time, the deterioration of the nutrient solution is avoided, the temperature of the nutrient solution flowing into the nose reaches 39 ℃, the temperature of the enteral nutrient solution is kept at the clinical required temperature all the time under the condition that the nutrient components are not damaged, the patient feels comfortable during treatment, the adverse reaction is reduced, and the absorption of the enteral nutrient solution of the patient is promoted.
This temperature control device carries out the constant temperature heating through heating band and heating pipe to nutrient solution area and transfer line, but the length of transfer line is longer, and the temperature of heating pipe is invariable from one end to the other end, and this makes the power that is used for maintaining temperature control device great, and need preheat heating band and heating pipe earlier stage, and is comparatively loaded down with trivial details.
Disclosure of Invention
Based on this, it is necessary to provide a nutrient solution delivery device for esophageal cancer, which solves the problems of long preheating time and high power consumption of the existing heating tube by the heating sleeve whose inner cavity temperature gradually increases along the length direction.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
the utility model provides a nutrient solution conveyor that esophageal cancer was used, includes stomach tube, transfer line, nutrient solution feed mechanism, heating pipe box and temperature sensor, the transfer line includes the feed liquor end and goes out the liquid end, stomach tube and play liquid end intercommunication, the feed liquor end with the infusion mouth intercommunication of nutrient solution feed mechanism, the heating pipe box cover is established extend on the transfer line and along its length direction, just heating pipe box inner chamber certainly the feed liquor end orientation go out the temperature of liquid end and increase gradually, temperature sensor's sense terminal sets up heating pipe box inner chamber, and temperature sensor is located go out the outside of liquid end.
Preferably, the heating pipe box includes flexible inner tube and heating wire, flexible inner tube cover is established and is extended along its length direction on the transfer line, the heating wire spiral is around establishing on the outer periphery of flexible inner tube, and the spiral is around the pitch of the heating wire of establishing certainly the feed liquor end is to its the play liquid end reduces gradually.
Preferably, the heating pipe sleeve further comprises a flexible outer pipe, the flexible outer pipe is sleeved on the circumferential surface of the flexible inner pipe and extends along the length direction of the flexible inner pipe, and the heating wire is located between the outer circumferential surface of the flexible inner pipe and the inner circumferential surface of the flexible outer pipe.
Preferably, the flexible outer tube has a thermal insulation property.
Preferably, the heating pipe sleeve further comprises an electric connection seat and an electric connection head, the heating pipe sleeve is coaxially arranged at the outer end of an infusion port of the nutrient solution feeding mechanism, a first conductive ring is coaxially arranged on the outer circumferential surface of the electric connection seat, and a second conductive ring is coaxially arranged on the outer end surface of the electric connection seat; the electric connector is coaxially arranged at one end of the flexible inner tube, a first electrode ring is coaxially arranged on the inner circumferential surface of the electric connector, a second electrode ring is coaxially arranged at the inner end of the electric connector, the first electrode ring and the second electrode ring are respectively and electrically connected with two ends of the heating wire, when the electric connector is coaxially screwed on the electric connecting seat, the first electrode ring is in point connection with the first conductive ring, and the second electrode ring is electrically connected with the second conductive ring.
Preferably, the nutrient solution feeding mechanism comprises a machine shell, a peristaltic pump and a liquid storage barrel,
a placing plate extending along the horizontal direction is arranged in the shell;
the peristaltic pump is arranged in the shell, and an output port of the peristaltic pump is communicated with the infusion tube through a pipeline;
the liquid storage barrel is arranged at the top of the mounting plate in the vertical direction, a liquid outlet pipe is coaxially arranged at the bottom end of the liquid storage barrel, and the liquid outlet pipe is communicated with an input port of the peristaltic pump through another pipeline.
Preferably, nutrient solution feed mechanism still includes the discharge valve, the discharge valve sets up on peristaltic pump and the communicating pipe way of depositing the liquid bucket, and discharge valve and communicating pipe intercommunication.
Preferably, the inner wall of the liquid storage barrel is uniformly provided with raised lines extending along the axial direction of the liquid storage barrel along the circumferential direction; the nutrient solution feeding mechanism also comprises a fixed cylinder, a rotating joint, a servo motor and a synchronous belt,
the fixed cylinder is fixedly arranged on the placing plate, and the axis of the fixed cylinder extends in the vertical direction;
the rotating cylinder is coaxially and rotatably arranged in the fixed cylinder, and the liquid outlet pipe is coaxially screwed with the top end of the rotating cylinder;
the rotating end of the rotating joint is coaxially and fixedly connected with the bottom end of the fixed cylinder, and the fixed end of the fixed cylinder is communicated with the input port of the peristaltic pump through a pipeline;
the servo motor is fixedly arranged on the mounting plate, and an output shaft of the servo motor is in synchronous transmission connection with the rotating drum through a synchronous belt.
Preferably, the circumferential surface of the rotating cylinder is also coaxially provided with a limiting ring used for abutting against the bottom end of the liquid outlet pipe.
Preferably, the top end of the liquid storage barrel is also coaxially provided with a top cover which is coaxially detachably connected with the liquid storage barrel.
Compared with the prior art, the beneficial effect of this application is:
1. according to the feeding device, the heating pipe sleeve with the temperature of the inner cavity gradually rising is sleeved on the periphery of the infusion pipe, so that when the nutrient solution feeding mechanism conveys nutrients into a patient, the heating pipe sleeve can heat the infusion pipe at a constant speed, power consumption is reduced, and preheating time is short;
2. according to the heating device, the heating wire is spirally wound on the flexible inner tube with gradually increasing pitch, so that the inner cavity of the flexible inner tube can be gradually lifted along the length direction of the inner tube, and the nutrient solution can be heated at a constant speed;
3. according to the electric heating wire, the flexible outer pipe is sleeved on the flexible inner pipe, so that the danger that the electric heating wire is exposed outside directly and is easy to cause can be avoided, and the power consumption can be prevented from being increased due to the fact that heat generated by the electric heating wire is radiated outwards;
4. the heating pipe sleeve and the nutrient solution feeding mechanism can be detachably connected through the electric connecting seat and the electric connecting head, the first electrode ring is electrically connected with the first conductive ring, and the second electrode ring is electrically connected with the second conductive ring, so that the heating wire is electrified to generate heat;
5. according to the device, the peristaltic pump and the liquid storage barrel are arranged in the shell, so that the device can stably convey nutrient solution through the gastrointestinal tube and the infusion tube;
6. according to the liquid storage barrel, air bubbles in a connecting pipeline of the peristaltic pump and the liquid storage barrel can be discharged through the exhaust valve, so that the air bubbles are prevented from being pumped into a patient body to cause discomfort of the patient;
7. the liquid storage barrel can be driven to rotate in the shell through the fixed barrel, the nutrient solution feeding mechanism, the servo motor and the synchronous belt, so that nutrient solution made of solid powder and water can be mixed conveniently, and a group is prevented from blocking a pipeline;
8. the liquid outlet pipe can be coaxially and stably screwed at the fixed position of the rotating cylinder through the limiting ring;
9. this application can avoid external pollution to enter into and deposit the liquid bucket and pollute the nutrient solution through setting up the top cap on depositing the liquid bucket top.
Drawings
FIG. 1 is a perspective view of a delivery device of an embodiment;
FIG. 2 is a top view of the delivery device of an embodiment;
FIG. 3 is a cross-sectional view at section A-A of FIG. 2;
FIG. 4 is a perspective sectional view at section A-A of FIG. 2;
FIG. 5 is a partial enlarged view of FIG. 3 at B;
FIG. 6 is an enlarged view of a portion of FIG. 3 at C;
FIG. 7 is a side view of an embodiment of a heating jacket;
FIG. 8 is a front view of the delivery device of the embodiment;
FIG. 9 is a cross-sectional view at section D-D of FIG. 8;
FIG. 10 is a schematic view of the internal structure of a nutrient solution feeding mechanism of the embodiment;
FIG. 11 is a schematic view showing the internal structure of the nutrient solution feeding mechanism of the embodiment after the liquid storage barrel is removed;
FIG. 12 is a perspective view of a liquid holding bucket of an embodiment;
FIG. 13 is an exploded perspective view of a liquid holding bucket of an embodiment;
FIG. 14 is a perspective view of an embodiment of a heating jacket;
fig. 15 is a partial enlarged view of fig. 14 at E.
The reference numbers in the figures are:
1-gastrointestinal tract; 2-a transfusion tube; 3-feeding mechanism of nutrient solution; 3 a-a housing; 3a 1-setting plate; 3a 2-avoidance orifice; 3 b-a peristaltic pump; 3 c-a liquid storage barrel; 3c 1-liquid outlet pipe; 3c 2-ribs; 3c 3-top cover; 3 d-exhaust valve; 3 e-a stationary cylinder; 3 f-rotating the drum; 3f 1-stop collar; 3 g-rotating joint; 3 h-a servo motor; 3 i-a synchronous belt; 3 j-a sieve hopper; 3 k-bearing; 4-heating the pipe sleeve; 4 a-a flexible inner tube; 4 b-electric heating wire; 4 c-a flexible outer tube; 4 d-electrical connection socket; 4d1 — first conductive loop; 4d2 — a second conductive loop; 4 e-electrical connector; 4e1 — first electrode ring; 4e2 — second electrode ring; 5-a temperature sensor; 6-control panel.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1:
the utility model provides a nutrient solution conveyor that esophageal cancer was used, includes stomach tube 1, transfer line 2, nutrient solution feed mechanism 3, heating pipe box 4 and temperature sensor 5, transfer line 2 includes the feed liquor end and goes out the liquid end, stomach tube 1 and play liquid end intercommunication, the feed liquor end with nutrient solution feed mechanism 3's infusion mouth intercommunication, 4 covers of heating pipe box are established extend along its length direction on the transfer line 2, just 4 inner chambers of heating pipe box certainly the feed liquor end orientation the temperature of going out the liquid end increases gradually, temperature sensor 5's sense terminal sets up heating pipe box 4 inner chambers, and temperature sensor 5 is located go out the outside of liquid end.
Based on the above embodiment, the temperature sensor 5 is electrically connected with the controller, the temperature of the nutrient solution at the liquid outlet end of the liquid transport tube 2 can be detected through the temperature sensor 5, the nutrient solution can be stably transported to the liquid transport tube 2 through the nutrient solution feeding mechanism 3, the gastrointestinal tube 1 is inserted into the stomach or intestine of the patient, the outer end of the gastrointestinal tube 1 is communicated with the liquid outlet end of the liquid transport tube 2, and the temperature of the inner cavity of the heating tube sleeve 4 gradually increases from the liquid inlet end to the liquid outlet end, so that the nutrient solution slowly flows in the liquid transport tube 2 when the nutrient solution feeding mechanism 3 transports the nutrient solution to the liquid transport tube 2, and in the flowing process, the inner cavity with the gradually increased temperature along the length direction of the heating tube sleeve 4 can heat the nutrient solution at a constant speed, thereby avoiding the problem that the heating tube sleeve 4 needs to be preheated, and the power consumed by heat production is low; at the liquid outlet end, the temperature of the nutrient solution is slightly higher than the suitable temperature of the human body, so that the nutrient solution is delivered to the stomach or the intestine of the patient through the gastrointestinal tube 1.
Further, the temperature of the inner cavity of the heating pipe sleeve 4 provided by the present application gradually rises along the length direction, and how to enable the heating pipe sleeve to heat the infusion tube at a uniform speed is provided, in order to solve the problem, as shown in fig. 7:
the heating pipe sleeve 4 comprises a flexible inner pipe 4a and an electric heating wire 4b, the flexible inner pipe 4a is sleeved on the infusion pipe 2 and extends along the length direction of the infusion pipe, the electric heating wire 4b is spirally wound on the outer circumferential surface of the flexible inner pipe 4a, and the spiral pitch of the electric heating wire 4b is spirally wound from the liquid inlet end to the liquid outlet end and is gradually reduced.
Because of flexible inner tube 4a extends and the cover is established on transfer line 2 along length direction, and heating wire 4b spiral and pitch are around establishing on flexible inner tube 4a with crescent, heating wire 4b circular telegram, and the great position temperature of pitch is lower, and the less position temperature of pitch is comparatively concentrated, and the temperature is higher promptly for the temperature of flexible inner tube 4a inner chamber is crescent to going out the liquid end from the feed liquor end of transfer line 2, and then can the at uniform velocity heating flowing nutrient solution, and power is lower.
Based on the above embodiments, the present application provides that the heating wire 4b is spirally wound on the flexible inner tube 4a with gradually increasing pitch, so as to solve the above problems.
Further, the flexible inner tube 4a and the heating wire 4b provided by the present application still have the defect that heat is easily dissipated outwards, and in order to solve this problem, as shown in fig. 5:
the heating pipe sleeve 4 further comprises a flexible outer pipe 4c, the flexible outer pipe 4c is sleeved on the circumferential surface of the flexible inner pipe 4a and extends along the length direction of the flexible inner pipe, and the heating wire 4b is located between the outer circumferential surface of the flexible inner pipe 4a and the inner circumferential surface of the flexible outer pipe 4 c.
The flexible outer tube 4c is sleeved on the outer circumferential surface of the flexible inner tube 4a, and the heating wire 4b is positioned inside the flexible outer tube 4c, so that outward generation of heat generated by electrifying the heating wire 4b can be avoided, and danger caused by direct exposure of the heating wire 4b to the outside can be avoided;
based on the above embodiment, the present application provides a flexible outer tube 4c, which is sleeved on the outer circumferential surface of the flexible inner tube 4a to solve the above problem.
Further, the present application still provides a flexible outer tube 4c having a defect that it is easy to make the heat of the heating wire 4b radiate outwards, and in order to solve this problem, as shown in fig. 5:
the flexible outer tube 4c has a thermal insulation property.
Because the flexible outer tube 4c has a thermal insulation property, heat generated by the electric heating wire 4b can be prevented from penetrating through the flexible outer tube 4c and being dissipated outwards.
Based on the above-described embodiments, the present application provides the flexible outer tube 4c having the thermal insulation property to solve the above-described problems.
Further, the heating wire 4b provided in the present application still has a defect that the electrical connection cannot be stabilized, and to solve this problem, as shown in fig. 5:
the heating pipe sleeve 4 further comprises an electric connecting seat 4d and an electric connecting head 4e, the heating pipe sleeve 4 is coaxially arranged at the outer end of an infusion port of the nutrient solution feeding mechanism 3, a first conductive ring 4d1 is coaxially arranged on the outer circumferential surface of the electric connecting seat 4d, and a second conductive ring 4d2 is coaxially arranged on the outer end surface of the electric connecting seat 4 d; the electric connector 4e is coaxially arranged at one end of the flexible inner tube 4a, a first electrode ring 4e1 is coaxially arranged on the inner circumferential surface of the electric connector 4e, a second electrode ring 4e2 is coaxially arranged at the inner end of the electric connector 4e, the first electrode ring 4e1 and the second electrode ring 4e2 are respectively and electrically connected with two ends of the electric heating wire 4b, when the electric connector 4e is coaxially screwed on the electric connecting seat 4d, the first electrode ring 4e1 is connected with the first conductive ring 4d1, and the second electrode ring 4e2 is electrically connected with the second conductive ring 4d 2.
The infusion tube 2 penetrates through the flexible inner tube 4a along the length direction, one end of the infusion tube 2 is communicated with an output port of the nutrient solution feeding mechanism 3, the electric connector 4e is coaxially screwed on the electric connecting seat 4d, namely, the heating tube sleeve 4 is detachably connected with the nutrient solution feeding mechanism 3, after the electric connector 4e is coaxially screwed with the electric connecting seat 4d, the first electrode ring 4e1 is electrically connected with the first conductive ring 4d1, the second electrode ring 4e2 is electrically connected with the second conductive ring 4d2, and the first electrode ring 4e1 and the second electrode ring 4e2 are respectively electrically connected with two ends of the heating wire 4b, so that the heating wire 4b can be conducted through the first conductive ring 4d1 and the second conductive ring 4d2, and the heating wire 4b is electrified to generate heat;
based on the above embodiments, the electrical connector 4d and the electrical connector 4e provided by the present application solve the above problems by coaxially screwing the electrical connector 4d and the electrical connector 4e, and electrically connecting the first electrode ring 4e1 and the second electrode ring 4e2 to the two ends of the heating wire 4 b.
Further, the present application provides a nutrient solution feeding mechanism 3 for stably feeding nutrient solution to the infusion tube 2, and to solve this problem, as shown in fig. 4:
the nutrient solution feeding mechanism 3 comprises a machine shell 3a, a peristaltic pump 3b and a liquid storage barrel 3c,
a placing plate 3a1 extending along the horizontal direction is arranged in the machine shell 3 a;
the peristaltic pump 3b is arranged in the shell 3a, and an output port of the peristaltic pump 3b is communicated with the infusion tube 2 through a pipeline;
the liquid storage barrel 3c is arranged at the top of the placing plate 3a1 along the vertical direction, a liquid outlet pipe 3c1 is coaxially arranged at the bottom end of the liquid storage barrel 3c, and the liquid outlet pipe 3c1 is communicated with an input port of the peristaltic pump 3b through another pipeline.
the shell 3a is used for arranging a peristaltic pump 3b and a liquid storage barrel 3c, so that the conveying device is integrated and convenient to move, nutrient solution is put into the liquid storage barrel 3c in advance and communicated with a corresponding pipeline, and when the nutrient solution needs to be conveyed into the stomach or the intestine of a patient, the peristaltic pump 3b is started to pump out the nutrient solution in the liquid storage barrel 3c and slowly convey the nutrient solution to the patient through the infusion tube 2;
based on the above embodiment, the peristaltic pump 3b and the liquid storage barrel 3c provided by the present application solve the above problems by respectively communicating the input port and the output port of the peristaltic pump 3b with the liquid outlet tube 3c1 and the liquid conveying tube 2.
As some optional embodiments of the present application, the top end of the machine shell 3a is further provided with an avoiding port 3a2 for avoiding the top end of the liquid storage barrel 3c, so as to dispense the nutrient solution into the liquid storage barrel 3c outside the machine shell 3 a.
Further, the peristaltic pump 3b and the liquid storage barrel 3c provided by the present application are easy to generate bubbles at the pipeline connecting section, and the bubbles are easy to be discharged into the stomach or intestine of the patient through the liquid storage barrel 3c, which is easy to cause discomfort of the patient, in order to solve the problem, as shown in fig. 4 and 9:
nutrient solution feed mechanism 3 still includes discharge valve 3d, discharge valve 3d sets up peristaltic pump 3b is in with deposit liquid bucket 3c communicating pipe way, and discharge valve 3d and communicating pipe intercommunication.
Through setting up on peristaltic pump 3b and the communicating pipe of depositing liquid bucket 3c with depositing liquid bucket 3c, make peristaltic pump 3b when extracting the nutrient solution from depositing liquid bucket 3c, deposit liquid bucket 3c and can discharge the bubble in its communicating pipe, avoid the bubble to go into the patient internal via nutrient solution feed mechanism 3 pump, in order to avoid the patient to produce the discomfort.
Based on the above embodiment, the present application provides the air release valve 3d which solves the above problem by providing it on the peristaltic pump 3b and the liquid storage tank 3 c.
Further, the liquid storage barrel 3c provided by the present application still has a defect that the nutrient solution cannot be discharged at a constant speed, and in order to solve this problem, as shown in fig. 9, fig. 10 and fig. 11:
the inner wall of the liquid storage barrel 3c is also uniformly provided with convex strips 3c2 extending along the axial direction of the liquid storage barrel along the circumferential direction; the nutrient solution feeding mechanism 3 also comprises a fixed cylinder 3e, a rotating cylinder 3f, a rotating joint 3g, a servo motor 3h and a synchronous belt 3i,
the fixed cylinder 3e is fixedly arranged on the setting plate 3a1, and the axis of the fixed cylinder extends along the vertical direction;
the rotating cylinder 3f is coaxially and rotatably arranged in the fixed cylinder 3e, and the liquid outlet pipe 3c1 is coaxially screwed with the top end of the rotating cylinder 3 f;
the rotating end of the rotating joint 3g is coaxially and fixedly connected with the bottom end of the fixed cylinder 3e, and the fixed end of the fixed cylinder 3e is communicated with the input port of the peristaltic pump 3b through a pipeline;
the servo motor 3h is fixedly arranged on the setting plate 3a1, and an output shaft of the servo motor 3h is in synchronous transmission connection with the rotating drum 3f through a synchronous belt 3 i.
The nutrient solution has a plurality of types, wherein the nutrient solution is formed by mixing solid powder with water, the nutrient solution needs to be fully mixed to avoid conglomeration and blocking a pipeline, the solid powder is put into a liquid storage barrel 3c, a servo motor 3h is started to enable an output shaft of the servo motor to drive a rotating barrel 3f to synchronously rotate in a fixed barrel 3e through a synchronous belt 3i, a liquid outlet pipe 3c1 is coaxially screwed at the top end of the rotating barrel 3f, namely, the liquid storage barrel 3c coaxially rotates at the top end of a mounting plate 3a1, a convex strip 3c2 extending along the axial direction of the inner wall of the liquid storage barrel 3c is arranged, the nutrient solution can be fully stirred and mixed to avoid blocking the pipeline, and the rotating barrel 3f is communicated with an input port of a peristaltic pump 3b through a rotary joint 3g to prevent the rotating barrel 3f from being incapable of rotating.
Further, the connection between the rotary cylinder 3f and the liquid outlet pipe 3c1 provided by the present application still has the defect of excessive screwing tendency, and in order to solve the problem, as shown in fig. 9:
the circumferential surface of the rotating cylinder 3f is also coaxially provided with a limiting ring 3f1 which is used for abutting against the bottom end of the liquid outlet pipe 3c 1.
The liquid outlet pipe 3c1 can be screwed on the rotary cylinder 3f for a certain distance only by arranging the limiting ring 3f1 which can be abutted against the bottom end of the liquid outlet pipe 3c1 on the circumferential surface of the rotary cylinder 3f, so that nutrient solution can be stably supplied;
based on the above-described embodiments, the present application provides a rotary cylinder 3f that solves the above-described problems by providing a stopper ring 3f1 coaxially on the circumferential surface thereof.
Further, the top opening of the liquid storage barrel 3c provided by the present application still has the defect of being easily contaminated by the outside, and in order to solve this problem, as shown in fig. 13:
the top end of the liquid storage barrel 3c is also coaxially provided with a top cover 3c3 which is coaxially and detachably connected with the liquid storage barrel.
Through the top setting at deposit liquid bucket 3c can be rather than coaxial detachable top cap 3c3 to prevent that external contamination from directly entering into and deposit liquid bucket 3c and pollute the nutrient solution, and still be provided with ventilative mouthful on the top cap 3c3, so that deposit liquid bucket 3c draws the nutrient solution from depositing liquid bucket 3 c.
As some optional embodiments of the present application, the nutrient solution feeding mechanism 3 further includes a sieve hopper 3j, the sieve hopper 3j is coaxially disposed at the top end of the liquid outlet pipe 3c1, and the diameter of the sieve hopper 3j gradually decreases from bottom to top, so that the sieve hopper 3j can prevent larger particles in the nutrient solution from entering the gastrointestinal tract 1 and being blocked.
As some optional embodiments of the present application, the nutrient feeding mechanism 3 further includes a bearing 3k, the rotary cylinder 3f is coaxially disposed in the fixed cylinder 3e through the bearing 3k, and the bearing 3k enables the rotary cylinder 3f to coaxially and stably rotate in the fixed cylinder 3 e.
As some optional embodiments of the present application, the device further comprises a control panel 6, wherein the control panel 6 is disposed on the nutrient solution feeding mechanism 3, the nutrient solution feeding mechanism 3 and the temperature sensor 5 are electrically connected to the control panel 6, the infusion speed of the nutrient solution feeding mechanism 3 can be stably controlled through the control panel 6, and the temperature of the inner cavity of the heating pipe sleeve 4 is monitored so as to adjust the temperature.
This application establishes the heating pipe box 4 that inner chamber temperature risees gradually through the periphery cover at transfer line 2 to when nutrient solution feed mechanism 3 is internal to carry the nutrition to the patient, heating pipe box 4 can be to 2 at the uniform velocity heats of transfer line, and it is short with reduction consumption and preheating time.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a nutrient solution conveyor that esophageal cancer was used, includes stomach tube (1) and transfer line (2), transfer line (2) are including feed liquor end and play liquid end, stomach tube (1) and play liquid end intercommunication, its characterized in that still includes nutrient solution feed mechanism (3), heating pipe box (4) and temperature sensor (5), the feed liquor end with the infusion mouth intercommunication of nutrient solution feed mechanism (3), heating pipe box (4) cover is established on transfer line (2) and extend along its length direction, just heating pipe box (4) inner chamber certainly the feed liquor end orientation the temperature of going out the liquid end increases gradually, the sense terminal of temperature sensor (5) sets up heating pipe box (4) inner chamber, and temperature sensor (5) are located go out the outside of liquid end.
2. The nutrient solution delivery device for esophageal cancer according to claim 1, wherein the heating tube sleeve (4) comprises a flexible inner tube (4a) and a heating wire (4b), the flexible inner tube (4a) is sleeved on the infusion tube (2) and extends along the length direction of the infusion tube, the heating wire (4b) is spirally wound on the outer circumferential surface of the flexible inner tube (4a), and the pitch of the spirally wound heating wire (4b) is gradually reduced from the liquid inlet end to the liquid outlet end.
3. The esophageal cancer nutrient solution delivery device according to claim 2, wherein the heating tube sleeve (4) further comprises a flexible outer tube (4c), the flexible outer tube (4c) is sleeved on the circumferential surface of the flexible inner tube (4a) and extends along the length direction of the flexible inner tube, and the heating wire (4b) is positioned between the outer circumferential surface of the flexible inner tube (4a) and the inner circumferential surface of the flexible outer tube (4 c).
4. The nutrient delivery device for esophageal cancer according to claim 3, wherein the flexible outer tube (4c) has temperature insulation properties.
5. The nutrient solution delivery device for esophageal cancer according to any one of claims 2-4, wherein the heating tube sleeve (4) further comprises an electric connection seat (4d) and an electric connection head (4e), the heating tube sleeve (4) is coaxially arranged at the outer end of the infusion port of the nutrient solution feeding mechanism (3), a first conductive ring (4d1) is coaxially arranged on the outer circumferential surface of the electric connection seat (4d), and a second conductive ring (4d2) is coaxially arranged on the outer end surface of the electric connection seat (4 d); the electric connector (4e) is coaxially arranged at one end of the flexible inner tube (4a), a first electrode ring (4e1) is coaxially arranged on the inner circumferential surface of the electric connector (4e), a second electrode ring (4e2) is coaxially arranged at the inner end of the electric connector (4e), the first electrode ring (4e1) and the second electrode ring (4e2) are respectively and electrically connected with two ends of the electric heating wire (4b), when the electric connector (4e) is coaxially screwed on the electric connecting seat (4d), the first electrode ring (4e1) is in point connection with the first conductive ring (4d1), and the second electrode ring (4e2) is electrically connected with the second conductive ring (4d 2).
6. The nutrient solution delivery device for esophageal cancer according to claim 1, wherein the nutrient solution feeding mechanism (3) comprises a housing (3a), a peristaltic pump (3b) and a solution storage barrel (3c),
a placing plate (3a1) extending along the horizontal direction is arranged in the machine shell (3 a);
the peristaltic pump (3b) is arranged in the shell (3a), and an output port of the peristaltic pump (3b) is communicated with the infusion tube (2) through a pipeline;
deposit liquid bucket (3c) and set up at the top of mounting plate (3a1) along vertical direction, and deposit the bottom of liquid bucket (3c) and be provided with drain pipe (3c1) coaxially, just drain pipe (3c1) through another pipeline with the input port intercommunication of peristaltic pump (3 b).
7. The nutrient solution delivery device for esophageal cancer according to claim 6, wherein the nutrient solution feeding mechanism (3) further comprises an exhaust valve (3d), the exhaust valve (3d) is arranged on a communication pipeline between the peristaltic pump (3b) and the liquid storage barrel (3c), and the exhaust valve (3d) is communicated with the communication pipeline.
8. The nutrient solution delivery device for esophageal cancer according to claim 6, wherein the inner wall of the liquid storage barrel (3c) is further provided with a plurality of ribs (3c2) extending along the axial direction of the liquid storage barrel along the circumferential direction; the nutrient solution feeding mechanism (3) also comprises a fixed cylinder (3e), a rotating cylinder (3f), a rotating joint (3g), a servo motor (3h) and a synchronous belt (3i),
the fixed cylinder (3e) is fixedly arranged on the placing plate (3a1), and the axis of the fixed cylinder extends along the vertical direction;
the rotating cylinder (3f) is coaxially and rotatably arranged in the fixed cylinder (3e), and the liquid outlet pipe (3c1) is coaxially screwed with the top end of the rotating cylinder (3 f);
the rotating end of the rotating joint (3g) is coaxially and fixedly connected with the bottom end of the fixed cylinder (3e), and the fixed end of the fixed cylinder (3e) is communicated with the input port of the peristaltic pump (3b) through a pipeline;
the servo motor (3h) is fixedly arranged on the setting plate (3a1), and an output shaft of the servo motor (3h) is in synchronous transmission connection with the rotating cylinder (3f) through a synchronous belt (3 i).
9. The nutrient solution delivery device for esophageal cancer according to claim 8, wherein a stop collar (3f1) for abutting against the bottom end of the liquid outlet pipe (3c1) is further coaxially arranged on the circumferential surface of the rotating cylinder (3 f).
10. The esophageal cancer nutrient solution delivery device as claimed in claim 6, wherein the top end of the liquid storage barrel (3c) is further coaxially and detachably connected with a top cover (3c 3).
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