CN114099348A - Accurate dredging device for gastrointestinal tube blockage after gastrointestinal tumor operation and using method thereof - Google Patents

Accurate dredging device for gastrointestinal tube blockage after gastrointestinal tumor operation and using method thereof Download PDF

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CN114099348A
CN114099348A CN202111612576.XA CN202111612576A CN114099348A CN 114099348 A CN114099348 A CN 114099348A CN 202111612576 A CN202111612576 A CN 202111612576A CN 114099348 A CN114099348 A CN 114099348A
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dredging
negative pressure
tube
connector
bottle
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CN114099348B (en
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桑昆峰
钟先进
凌莉
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Anhui Provincial Hospital First Affiliated Hospital Of Ustc
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Anhui Provincial Hospital First Affiliated Hospital Of Ustc
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS 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
    • A61J15/00Feeding-tubes for therapeutic purposes
    • A61J15/0003Nasal or oral feeding-tubes, e.g. tube entering body through nose or mouth
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS 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
    • A61J15/00Feeding-tubes for therapeutic purposes
    • A61J15/0026Parts, details or accessories for feeding-tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS 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
    • A61J15/00Feeding-tubes for therapeutic purposes
    • A61J15/0026Parts, details or accessories for feeding-tubes
    • A61J15/008Sensor means, e.g. for sensing reflux, acidity or pressure
    • A61J15/0088Sensor means, e.g. for sensing reflux, acidity or pressure for sensing parameters related to the device
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10Tube connectors; Tube couplings
    • A61M39/105Multi-channel connectors or couplings, e.g. for connecting multi-lumen tubes

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Otolaryngology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention discloses an accurate dredging device for a nasal and intestinal canal blocking pipe after a digestive tract tumor operation, which comprises a three-way connector, a suction device, a pressurizing device and a dredging component, wherein the suction device comprises a negative pressure suction apparatus and a negative pressure bottle, the pressurizing device comprises a pressurizing soft bag, the pressurizing soft bag is of a double-layer sealing structure, one end of the pressurizing soft bag is connected with a pressure sensor and a pressure regulator through a hose, a flushing bottle is arranged on the inner layer of the pressurizing soft bag, the dredging component comprises a dredging conduit, one end of the dredging conduit is provided with a connector, and an inner cavity of the dredging conduit is provided with a guide wire. The nasal and intestinal canal blockage dredging device can carry out conventional flushing work by connecting the syringe, and simultaneously can be respectively connected with the suction device and the negative pressure device by the three-way connector, so that the nasal and intestinal canal blockage dredging rate can be improved, the nasal and intestinal canal blockage can be accurately dredged, the occurrence rate of unplanned tube drawing is reduced, the prognosis of a patient is improved, the hospitalization satisfaction of the patient is improved, and psychological and physical pains caused by tube replacement are avoided.

Description

Accurate dredging device for gastrointestinal tube blockage after gastrointestinal tumor operation and using method thereof
Technical Field
The invention relates to the field of nasointestinal tubes, in particular to a device for accurately dredging a blocked tube of a nasointestinal tube after a digestive tract tumor operation and a using method thereof.
Background
In recent years, with the development of society, the incidence of digestive tract tumors tends to increase, and is high. According to incomplete statistics of global data, the incidence and mortality of esophageal cancer in China account for 22.8% and 32.22% respectively, China is also a large country with esophageal cancer, new esophageal cancer patients account for about 50% of new esophageal cancer patients worldwide every year, and the proportion of male and female patients is about 1.6: 1. At present, esophageal cancer is localized at the 6 th position and mortality is localized at the 4 th position of the morbidity of various tumors, which indirectly indicates that the overall prognosis of patients with esophageal cancer is poor. Surgery is the preferred treatment for esophageal cancer. Researches show that the survival rate of the esophagus cancer operation in 5 years is as high as about 90%, the survival rate of the esophagus cancer operation in 10 years is as high as about 50% -70%, and the survival rate of the esophagus cancer operation in middle and late stages is about 30% -50%. As a high-incidence country of stomach cancer in China, the morbidity and the mortality of the stomach cancer accounts for about 50 percent of the total number of the worldwide morbidity, the morbidity of esophageal cancer in China is 2 nd, the mortality of esophageal cancer is 3 rd, male is higher than female, the morbidity of male and female is about 3: 1, with the development of medical technology, the five-year survival rate after early gastric cancer operation can reach 90 to 95 percent, the five-year survival rate after middle and late gastric cancer operation is about 36 percent, and in recent years, the intestinal nutrition of patients after digestive tract tumor operation is widely concerned and paid attention by more and more experts and scholars in medical circles at home and abroad. The physician does not forget to get the heart first and then moves forward. The tumor nutrition and metabolism department of the hospital is a department of the first home of the whole country for carrying out tumor nutrition therapy firstly, is formed by combining a domestic famous professor Li Su Yi teacher with related teams in 2013, 1 month and 23 days, is a building team for domestic first tumor malnutrition diagnosis and treatment, is a training base for national standardized tumor nutrition metabolism and therapy, cultures a large number of clinical nutrition treating doctors for hospitals in all parts of the country in recent years, is uniformly commented by medical and health institutions in all parts of the country, and becomes an industry benchmark. The patients after the alimentary tract tumor operation usually keep the nasointestinal tube in place for 2 to 48 weeks according to the recovery condition of the anastomotic stoma after the alimentary tract tumor operation, therefore, the care of enteral nutrition is also of particular importance during the indwelling of the naso-intestinal tube, especially in terms of keeping the enteral feeding tube unobstructed in place, due to the characteristics of long retention time of the nasal intestinal canal, viscosity, thickness, concentration and weak acidity of the enteral nutrient solution, the characteristics of soft, thin and long self-structure of the enteral nutrient canal, untimely and improper preventive washing nursing of medical staff and the like, the intestinal nutrient canal is blocked, the hospitalization medical cost of a patient is increased, the hospitalization time of the patient is prolonged, even the 'two-step uterus' of the patient is caused, the cost of extra-tube replacement operation is increased, the life quality of the patient is reduced, and the poor prognosis of the patient is caused, even the life safety of the patient is threatened.
At present, the common mode of the nasal and intestinal canal blockage clinically is to wash the blocked nasal and intestinal canal by sucking warm boiled water or 5 percent SB injection or coca cola by a syringe, but because the nasal and intestinal canal has the structural characteristics of thinness, softness and length and the position of the blocked canal is deeper, the washing liquid can not reach the designated position at all to wash
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device for accurately dredging a blocked tube of a nasointestinal tube after a digestive tract tumor operation and a using method thereof.
In order to solve the above technical problem, the present invention provides a first technical solution as follows:
the invention relates to an accurate dredging device for a nasal and intestinal canal blocking tube after a digestive tract tumor operation, which comprises a three-way joint, a suction device, a pressurizing device and a dredging component, wherein the three-way joint is respectively connected with the suction device and the pressurizing device through hoses and can be movably connected with the suction device and the pressurizing device in a detachable way, the three-way joint is provided with a rotary switch for controlling the closing, the suction device comprises a negative pressure suction device and a negative pressure bottle, the negative pressure suction device is connected with the negative pressure bottle through the hoses, the pressurizing device comprises a pressurizing soft bag, the pressurizing soft bag is of a double-layer sealing structure, one end of the pressurizing soft bag is connected with a pressure sensor and a pressure regulator through the hoses, a flushing bottle is arranged on the inner layer of the pressurizing soft bag, the dredging component comprises a dredging conduit, one end of the dredging conduit is provided with a connector, and the other end of the dredging conduit is provided with a plurality of spraying ports, the inner cavity of the dredging catheter is provided with a guide wire, and one end of the guide wire is provided with a gripping end.
As a preferred technical scheme of the invention, the dredging conduit is made of composite materials, the inner layer is polyvinyl chloride, and the outer layer is acrylonitrile-styrene-butadiene.
As a preferred technical scheme of the invention, the connector can be butted with the three-way connector and the injector head.
As a preferable technical scheme of the invention, the negative pressure bottle, the connector and the washing bottle are all connected with the three-way connector through infusion hoses, and the infusion hose connected with the washing bottle is provided with a flow regulator.
The invention provides a second technical scheme as follows:
the invention also provides a use method of the accurate dredging device for the nasal and intestinal canal blockage after the alimentary canal tumor operation, which comprises the following specific steps:
a: inserting the dredging catheter with the guide wire along the nasointestinal tube until the dredging catheter cannot be pushed, namely, the dredging catheter reaches the position where the nasointestinal tube is blocked, and then drawing the guide wire outwards and withdrawing;
b: the injector sucks cola, warm boiled water or% sodium bicarbonate, and then is connected with the connector on the dredging catheter for extrusion and extraction movement, thereby realizing the flushing and suction work;
c: when the nasointestinal tube cannot be conducted by using the injector, the injector is withdrawn and the flushing mode is changed, namely the three-way connector is respectively communicated with the negative pressure bottle, the flushing bottle and the connector on the dredging catheter;
d: opening a pressure regulator on the pressurizing device, setting the pressure to be 500-600 mmhg, opening a switch of the suction device, and setting the negative pressure range as follows: 0.045-0.053 MPa or setting the negative pressure range as follows: 250-550 mmhg;
e: the rotary switch on the three-way joint is repeatedly rotated for many times, the frequency is about 4-8 times/15 s, the recycling of positive pressure flushing and negative pressure suction can be easily realized, and accurate flushing can be realized.
As a preferred technical scheme of the invention, in the step B, the injector is selected from 2.5ml, 5ml, 10ml and 20 ml;
compared with the prior art, the invention has the following beneficial effects:
the nasal and intestinal canal blockage dredging device can carry out conventional flushing work by connecting the injector, and simultaneously can be respectively connected with the suction device and the negative pressure device by the three-way connector, so that the nasal and intestinal canal blockage dredging rate can be improved, the nasal and intestinal canal blockage can be accurately dredged, the occurrence rate of unplanned tube drawing is reduced, the prognosis of a patient is improved, the hospitalization satisfaction of the patient is improved, psychological and physical pains caused by tube replacement are avoided, unnecessary medical cost and consumable materials of the patient are reduced, and the medical and nursing satisfaction of the hospitalized patient is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Wherein like reference numerals refer to like parts throughout.
In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In the drawings:
FIG. 1 is a calculation of the levels of enteral nutrition use compliance for two groups of patients in an example of the present invention;
FIG. 2 is a comparison of the satisfaction of care in two groups of patients in an embodiment of the present invention;
FIG. 3 is a comparison of the effect of dredging the nasointestinal tube of two groups of patients according to the embodiment of the present invention;
FIG. 4 illustrates the timing of the clearing of injectors of different sizes in accordance with an embodiment of the present invention;
FIG. 5 is a diagram illustrating SPSS software parsing in accordance with an embodiment of the present invention;
FIG. 6 is a schematic view of the overall structure of the present invention;
FIG. 7 is a schematic view of the pull through catheter of the present invention;
in the figure: 1. a three-way joint; 2. a suction device; 3. a pressurizing device; 4. a dredging component; 21. a negative pressure aspirator; 22. a negative pressure bottle; 31. pressurizing a soft bag; 32. a pressure sensor; 33. a pressure regulator; 34. washing the bottle; 41. dredging the catheter; 42. a connector; 43. a guide wire; 44. and (4) a spraying port.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in figures 1-7, the invention provides an accurate dredging device for a nasal intestinal canal blockage tube after a digestive tract tumor operation, which comprises a three-way joint 1, a suction device 2, a pressurizing device 3 and a dredging component 4, wherein the three-way joint 1 is respectively connected with the suction device 2 and the pressurizing device 3 through hoses and movably connected with the suction device 2 and the pressurizing device 3, the three-way joint 1 is provided with a rotary switch for controlling the closing, the suction device 2 comprises a negative pressure suction apparatus 21 and a negative pressure bottle 22, the negative pressure suction apparatus 21 is connected with the negative pressure bottle 22 through a hose, the pressurizing device 3 comprises a pressurizing soft bag 31, the pressurizing soft bag 31 is a double-layer sealing structure, one end of the pressurizing soft bag 31 is connected with a pressure sensor 32 and a pressure regulator 33 through a hose, a flushing bottle 34 is arranged on the inner layer of the pressurizing soft bag 31, the dredging component 4 comprises a dredging conduit 41, one end of the dredging conduit 41 is provided with a connector 42, the other end of the dredging conduit 41 is provided with a plurality of spray ports 44, the inner cavity of the dredging catheter 41 is provided with a guide wire 43, and one end of the guide wire 43 is provided with a gripping tip.
Furthermore, the dredging conduit 41 is made of composite materials, the inner layer is made of polyvinyl chloride, and the outer layer is made of acrylonitrile-styrene-butadiene, so that the dredging conduit is strong in plasticity, high in flexibility and good in life safety.
The connector 42 can interface with the tee 1 and the syringe head.
The negative pressure bottle 22, the connector 42 and the rinse bottle 34 are connected to the three-way connector 1 through infusion hoses, and the infusion hose to which the rinse bottle 34 is connected is provided with a flow regulator.
The invention provides a use method of an accurate dredging device for a nasal/intestinal tube blockage after a digestive tract tumor operation, which comprises the following specific steps:
a: inserting the dredging catheter with the guide wire along the nasointestinal tube until the dredging catheter cannot be pushed, namely, the dredging catheter reaches the position where the nasointestinal tube is blocked, and then drawing the guide wire outwards and withdrawing;
b: the injector sucks cola, warm boiled water or 5% sodium bicarbonate, then is connected with the connector on the dredging catheter and then carries out extrusion and extraction movement, and the injector is selected from 2.5ml, 5ml, 10ml and 20ml, thereby realizing the flushing and suction work;
c: when the nasointestinal tube cannot be conducted by using the injector, the injector is withdrawn and the flushing mode is changed, namely the three-way connector is respectively communicated with the negative pressure bottle, the flushing bottle and the connector on the dredging catheter;
d: opening a pressure regulator on the pressurizing device, setting the pressure to be 500-600 mmhg, opening a switch of the suction device, and setting the negative pressure range as follows: 0.045-0.053 MPa or setting the negative pressure range as follows: 250-550 mmhg;
e: the rotary switch on the three-way joint is repeatedly rotated for many times, the frequency is about 4-8 times/15 s, the recycling of positive pressure flushing and negative pressure suction can be easily realized, and accurate flushing can be realized.
Specifically, timely flushing can keep the nasointestinal tube smooth, the occurrence of blockage of the tube cavity is reduced, after nasal feeding is finished, a 10mL injector is used for injecting 10mL warm boiled water in a pulse mode, 20mL is injected into the tube cavity and the tube is clamped, flushing liquid is reserved in the nasointestinal tube cavity, 20mL of the flushing liquid in the tube cavity is firstly pumped back and discarded before next nasal feeding, then 10mL injector is used for injecting 10mL warm boiled water in a pulse mode, nasal feeding is carried out after conventional tube flushing, the method can enable nutrient solution on the inner wall of the tube cavity to be infiltrated, softened and loosened, meanwhile, small vortexes are formed in the flushing liquid in the tube cavity by means of pulse injection, the cleaning of components on the inner wall of the tube cavity is facilitated, the situation that whether retention exists or not exists and whether gastrointestinal nutrition intolerance exists or not is checked, if dredging can be achieved, the situation is successful and direct, if not successful, the next operation link is entered, the utility model discloses a nasal feeding tube suction device, including suction device, nasal feeding tube, pressure device, manual syringe, automatic formula malleation is washed and is combined semi-automatic formula negative pressure suction and carry out sequential mediation promptly, utilizes suction device to take out the inside plug of nasal feeding tube, injects into the nasal feeding tube different flush fluids by pressure device, sets for the pressure of applyed pressure and the pressure of extraction according to actual demand, compares the regulation and control operation that manual syringe suction's mode can be better, can effectively dredge to blockking up serious nasal feeding tube.
The clinical test collected 80 patients who lived in the gastrointestinal tract tumor postoperative of the intensive medical science department in the western district of the first hospital affiliated to the university of Chinese science and technology from 8.1.2018 to 10.20.2021 with the inclusion and exclusion criteria (the inclusion criteria are patients who had a nasal tube after ICU gastrointestinal tract tumor surgery and had a tube blockage and an informed consent during nasal feeding, and the exclusion criteria are patients with organic psychosis, refusal cooperation investigation and death) and divided into 40 cases of each of the observation group and the control group according to the random number table method. Observing 24 male patients and 16 female patients in the group; the age is 36-76 years, and the average age is 63.78 +/-9.16 years; 26 male patients and 14 female patients in the control group; age 52-74 years, average age 62.98 + -8.54 years, and comparison of age and sex of two groups of patients, the difference is not statistically significant (P > 0.05), indicating comparability. Evaluation indexes are as follows: the investigation of the nursing satisfaction adopts a satisfaction questionnaire which is compiled by self to carry out investigation and analysis, the total score is 100, the score is less than 60, the score is satisfactory, the score is 60-80, the score is very satisfactory, and the satisfaction is not less than 80, namely (satisfaction case number + very satisfaction case number)/total case number multiplied by 100%. Evaluation of dredging effectiveness: the obvious effect means that the nutrient solution in the nasal feeding intestine is injected without resistance after dredging, the time required for dredging is less than 30min, and no tube blockage occurs again within 3 days continuously; effective means that the nutrient solution in the nasal feeding intestine has slight resistance after dredging, the time required for dredging is more than 30min, and the tube is accidentally blocked within 3 consecutive days; the ineffectiveness means that the dredging fails, the time required by the dredging is more than 60min, and the nutrient solution in the nasal feeding intestines has resistance and has very large resistance; treatment compliance was expressed in 3 grades of "good", "good" and "poor". The control group adopts a 20ml injector combined with warm boiled water and 5% Sb (sodium bicarbonate injection) for conventional dredging, the observation group adds the device of the invention on the conventional dredging, and the research result shows that: the device has good effect, short dredging time and high treatment compliance and satisfaction of patients, the T value is 2.48, the P is less than 0.05, and the difference has statistical significance and is shown in figures 1, 2 and 3.
Modeling experimental statistical data, wherein a nasal intestinal canal blockage taken in the test is a minocycline and full-force compound, the compound is solid-liquid, yellow and viscous in appearance and weak in acidity (consistent with the characters and physicochemical properties of clinical intestinal nutrient solution), firstly, injectors with different specifications are adopted for carrying out nasal intestinal canal blockage dredging experiments, non-parameter tests are adopted for normal distribution values, namely measurement data t test, counting data chi-square test and grade data and test, the experimental data are analyzed by SPSS22.0 software, warm boiled water and 5% Sb (sodium bicarbonate injection) are respectively extracted and dredged by different injectors of 2.5ml, 5ml, 10ml, 5+20ml, 10ml, 20ml and 50ml, wherein 2.5ml represents that 2.5ml is firstly extracted and injected with warm boiled water for 3-5 times, and then 5% Sb (sodium bicarbonate injection) is extracted and dredged, warm boiled water cannot be used for fusing 5% of Sb together, because the warm boiled water and the Sb react, the valence of the 5% of Sb is destroyed, and the Sb is decomposed; 5ml represents that warm boiled water is firstly extracted for 3-5 times and injected into 5ml, and then 5% Sb (sodium bicarbonate injection) is extracted for dredging; 5+10ml represents that 5ml of warm boiled water is firstly pumped for 3-6 times, and then 5% of Sb (sodium bicarbonate injection) is pumped for dredging; 5+20ml represents that warm boiled water is firstly pumped in 5ml, and 5% Sb (sodium bicarbonate injection) is pumped in 20ml for dredging; the '10 +20 ml' represents that 10ml warm boiled water is firstly pumped, 20ml 5% Sb (sodium bicarbonate injection) is pumped for dredging; the results show that the 5+20ml syringe has the best dredging effect and the shortest time, and are shown in figure 4, and the specific analysis of SPSS software is shown in figure 5.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides an accurate pull throughs of stifled pipe of alimentary canal tumour postoperative nose intestines pipe, a serial communication port, including three way connection (1), suction device (2), pressure device (3) and mediation subassembly (4), three way connection (1) has suction device (2) and pressure device (3) through hose connection respectively to but the disconnection with it, three way connection (1) has rotary switch and controls the closure, suction device (2) include negative pressure aspirator (21) and negative pressure bottle (22), negative pressure aspirator (21) are connected through the hose with negative pressure bottle (22), pressure device (3) are including pressurization soft bag (31), pressurization soft bag (31) are double-deck seal structure, there are pressure sensor (32) and pressure regulator (33) through hose connection in the one end of pressurization soft bag (31), the inlayer of pressurization soft bag (31) is provided with washes bottle (34), dredge subassembly (4) including mediation pipe (41), the one end of mediation pipe (41) is provided with connector (42), the other end of mediation pipe (41) is opened has a plurality of mouths (44) that spray, the inner chamber of mediation pipe (41) is provided with seal wire (43), and the one end of seal wire (43) is provided with the gripping end.
2. The device for precisely dredging the blocked tube of the nasal/intestinal tube after the operation of the gastrointestinal tumor as claimed in claim 1, wherein the dredging catheter (41) is made of a composite material, and the inner layer is polyvinyl chloride and the outer layer is acrylonitrile-styrene-butadiene.
3. The device for precisely dredging the blocked tube of the nasointestinal tube after the operation of the gastrointestinal tumor surgery of claim 2, wherein the connector (42) can be butted with the three-way connector (1) and the head of the injector.
4. The device for precisely dredging the blocked tube of the gastrointestinal tract after the operation of the gastrointestinal tumor surgery according to claim 3, wherein the negative pressure bottle (22), the connector (42) and the washing bottle (34) are all connected with the three-way connector (1) through infusion hoses, and the infusion hose connected with the washing bottle (34) is provided with a flow regulator.
5. The use method of the precise dredging device for the blocked tube of the nasointestinal tube after the alimentary canal tumor surgery according to any one of claims 1 to 4, is characterized by comprising the following specific steps:
a: inserting the dredging catheter with the guide wire along the nasointestinal tube until the dredging catheter cannot be pushed, namely, the dredging catheter reaches the position where the nasointestinal tube is blocked, and then drawing the guide wire outwards and withdrawing;
b: the injector sucks cola, warm boiled water or 5% sodium bicarbonate, then is connected with the connector on the dredging catheter and then carries out extrusion and extraction movement, thereby realizing the flushing and suction work;
c: when the nasointestinal tube cannot be conducted by using the injector, the injector is withdrawn and the flushing mode is changed, namely the three-way connector is respectively communicated with the negative pressure bottle, the flushing bottle and the connector on the dredging catheter;
d: opening a pressure regulator on the pressurizing device, setting the pressure to be 500-600 mmhg, opening a switch of the suction device, and setting the negative pressure range as follows: 0.045-0.053 MPa or setting the negative pressure range as follows: 250-550 mmhg;
e: the rotary switch on the three-way joint is repeatedly rotated for many times, the frequency is about 4-8 times/15 s, the recycling of positive pressure flushing and negative pressure suction can be easily realized, and accurate flushing can be realized.
6. The use method of the precise dredging device for the blocked tube of the gastrointestinal tube after the operation of the gastrointestinal tumor as claimed in claim 5, wherein in the step B, the injector is selected from 2.5ml, 5ml, 10ml and 20 ml.
CN202111612576.XA 2021-12-27 2021-12-27 Accurate dredging device for nasal intestinal canal blockage after digestive tract tumor operation and use method of accurate dredging device Active CN114099348B (en)

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