CN106726615A - A kind of stomach tube and Nasal feeding device - Google Patents
A kind of stomach tube and Nasal feeding device Download PDFInfo
- Publication number
- CN106726615A CN106726615A CN201710072216.2A CN201710072216A CN106726615A CN 106726615 A CN106726615 A CN 106726615A CN 201710072216 A CN201710072216 A CN 201710072216A CN 106726615 A CN106726615 A CN 106726615A
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- Prior art keywords
- stomach tube
- tube body
- pressure sensor
- gastral cavity
- block piece
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- 210000002784 stomach Anatomy 0.000 title claims abstract description 138
- 210000003238 esophagus Anatomy 0.000 claims abstract description 48
- 238000012360 testing method Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 12
- 238000013461 design Methods 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 18
- 235000021056 liquid food Nutrition 0.000 description 10
- 238000010992 reflux Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000002496 gastric effect Effects 0.000 description 3
- 206010011224 Cough Diseases 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 208000007101 Muscle Cramp Diseases 0.000 description 2
- 206010047700 Vomiting Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006931 brain damage Effects 0.000 description 2
- 231100000874 brain damage Toxicity 0.000 description 2
- 208000029028 brain injury Diseases 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 210000004051 gastric juice Anatomy 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 210000002569 neuron Anatomy 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 238000001139 pH measurement Methods 0.000 description 2
- 230000015946 suckling behavior Effects 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000000151 anti-reflux effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000007983 food acid Nutrition 0.000 description 1
- 208000021302 gastroesophageal reflux disease Diseases 0.000 description 1
- 210000003736 gastrointestinal content Anatomy 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- A61J15/008—Sensor means, e.g. for sensing reflux, acidity or pressure
- A61J15/0084—Sensor means, e.g. for sensing reflux, acidity or pressure for sensing parameters related to the patient
-
- 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
Abstract
The invention provides a kind of stomach tube and Nasal feeding device, belong to technical field of medical instruments.The stomach tube includes stomach tube body, stomach tube body has entrance point and for stretching into the port of export in gastral cavity, umbrella block piece and first pressure sensor are provided with the outside of stomach tube body, umbrella block piece includes expanding unit and the connecting portion being connected with stomach tube body, the first state that stomach tube body there is expanding unit to draw in and makes gastral cavity be connected with esophagus, and the second state that expanding unit is launched and separates gastral cavity and esophagus.The stomach tube can receive the pressure signal in gastral cavity to control the gathering or expansion of expanding unit by first pressure sensor, it is to avoid the generation of phenomenon of backflowing.Comfort level is higher when patient uses, and the reasonable in design, mechanism is compact, and market application potential is huge.The Nasal feeding device includes stomach tube mentioned above, and it has the repertoire of the stomach tube.
Description
Technical field
The present invention relates to technical field of medical instruments, in particular to a kind of stomach tube and Nasal feeding device.
Background technology
Stomach tube is also referred to as nose catheter, nasogastric tube feeding, and stomach tube is inserted by nostril, via pharyngeal, stomach is reached by oesophagus,
Mostly it is for taking out gastric juice, it is also possible to be supplied to the necessary food of patient and nutrition with liquid is injected in dealing stomach, should be noted during nursing
Meaning avoids stomach tube from polluting, and stomach tube abjection, causes to inhale by mistake.
Slotting stomach tube is the technology that a clinician must grasp, and its operation purpose includes：
1. gastrointestinal contents, abdominal operation Preoperative Method are drained through gastrointestinal decompression tube.
2. the patient of oral feeding pair is unable to, spoon meat is poured into from stomach tube, it is ensured that patient takes in enough nutrition, moisture
And medicine, with sharp early recovery.
Inventor has found that traditional stomach tube at least has the following disadvantages under study for action：
When patient carries out nasal feeding, easily there is the situation of esophageal reflux；
Using effect is poor.
The content of the invention
Object of the present invention is to provide a kind of stomach tube, improve the deficiencies in the prior art, it can be by first pressure
Sensor receives the pressure signal in gastral cavity to control the gathering or expansion of expanding unit, when reflux events are when will appear from, to launch
Portion launches, and separates esophagus and gastral cavity, prevent fluid in gastral cavity from entering in esophagus, it is to avoid the generation of phenomenon of backflowing.Entirety makes
With effect preferably, comfort level is higher when patient uses, and the reasonable in design, mechanism is compact, and market application potential is huge.
Another object of the present invention is to provide a kind of Nasal feeding device, it includes stomach tube mentioned above, and it has this
The repertoire of stomach tube.
What embodiments of the invention were realized in：
The embodiment provides a kind of stomach tube, it includes stomach tube body, and stomach tube body has entrance point and is used for
The port of export in gastral cavity is stretched into, umbrella block piece and first pressure sensor are provided with the outside of stomach tube body, umbrella block piece includes
Expanding unit and the connecting portion being connected with stomach tube body, stomach tube body have first that expanding unit is drawn in and makes that gastral cavity connects with esophagus
State, and the second state that expanding unit is launched and separates gastral cavity and esophagus, first pressure sensor are located at block piece with outlet
Between end, first pressure sensor is used to detect the pressure in gastral cavity and control expanding unit is drawn in or launched.
Specifically, the stomach tube can receive the pressure signal in gastral cavity to control expanding unit by first pressure sensor
Gathering or expansion, when reflux events are when will appear from, expanding unit is launched, and separates esophagus and gastral cavity, prevents the fluid in gastral cavity
Into in esophagus, it is to avoid the generation of phenomenon of backflowing.Preferably, comfort level is higher when patient uses, the structure for overall using effect
Reasonable in design, mechanism is compact, and market application potential is huge.
Optionally, stomach tube body is internally provided with valve, and valve has fluid from entrance point one-way flow to the port of export
The third state, and fluid two-way flow in stomach tube body the 4th state.
Optionally, valve is located between block piece and the port of export and relative to the port of export near block piece.
Optionally, control unit is additionally provided with the outside of stomach tube body, control unit receives the letter that first pressure sensor sends
Number and control valve be in the third state or the 4th state.
Optionally, control unit is additionally provided with the outside of stomach tube body, control unit receives the letter that first pressure sensor sends
Number and control expanding unit draw in or launch.
Optionally, near connecting portion between connecting portion and entrance point and relative to entrance point, stomach tube is also wrapped controlling position
Outside connected switch is included, outside connected switch is used to control control unit to open or close.
Optionally, also second pressure sensor is also set up on the outside of stomach tube body, second pressure sensor is located at import
Between end and block piece and for detecting the pressure in esophagus.
Optionally, be additionally provided with pH sensors on the outside of stomach tube body, pH sensors be located between entrance point and block piece and
For detecting the pH in esophagus, the quantity of pH sensors is identical with the quantity of second pressure sensor and is multiple, pH sensings
Device and second pressure sensor are staggered.
Optionally, stomach tube also includes test section, and test section is provided with indicator lamp, and test section receives pH sensors and the second pressure
Signal that force snesor sends simultaneously controls indicator lamp to open or close.
Embodiments of the invention additionally provide a kind of Nasal feeding device, and it includes stomach tube mentioned above, and it has the stomach tube
Repertoire.
Compared with prior art, the beneficial effect of the embodiment of the present invention is：
In sum, the stomach tube can receive the pressure signal in gastral cavity to control to launch by first pressure sensor
The gathering or expansion in portion, when reflux events are that when will appear from, expanding unit is launched, separate esophagus and gastral cavity, prevent the stream in gastral cavity
Body enters in esophagus, it is to avoid the generation of phenomenon of backflowing.Preferably, comfort level is higher when patient uses, the knot for overall using effect
Structure is reasonable in design, and mechanism is compact, and market application potential is huge.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the schematic diagram of the first stomach tube in inside of human body of the offer of the embodiment of the present invention 1；
Fig. 2 is the schematic diagram under the expanding unit deployed condition of the first stomach tube shown in Fig. 1；
Fig. 3 is the schematic diagram under the expanding unit rounding state of the first stomach tube shown in Fig. 1；
Fig. 4 is the schematic diagram of second stomach tube that the embodiment of the present invention 2 is provided.
Icon：100- stomach tubes；11- stomach tube bodies；101- entrance points；The 102- ports of export；111- block pieces；1111- connecting portions；
1113- expanding units；1115- supports；113- first pressure sensors；115- valves；117- control units；118- second pressures are sensed
Device；119-pH sensors；13- outside connected switches；15- test sections；20- esophaguses；30- orifice of the stomach；40- stomach；41- gastral cavities.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Present invention implementation generally described and illustrated in accompanying drawing herein
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.
In the description of the invention, it is necessary to explanation, term " on ", D score, " interior ", the orientation or position of the instruction such as " outward "
The relation of putting is or the orientation or position that the invention product is usually put when using based on orientation shown in the drawings or position relationship
Relation is put, the description present invention is for only for ease of and is simplified description, it is necessary rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term
" first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or integratedly connect
Connect；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can
Being two connections of element internal.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Embodiment 1
Refer to Fig. 1, present embodiments provide a kind of stomach tube 100, it includes stomach tube body 11, stomach tube body 11 have into
Mouthful end 101 and for stretching into the port of export 102 in gastral cavity 41.
Stomach tube 100, through pharyngeal, stomach 40 is reached by esophagus 20 by nostril, and stomach 40 has for accommodating and digesting
The gastral cavity 41 of liquid food, after the stomach tube 100 is installed, the port of export 102 is located in the gastral cavity 41, and liquid food is entered by entrance point 101
In stomach tube body 11, finally entered in gastral cavity 41 by the port of export 102.
The junction of esophagus 20 and stomach 40 is orifice of the stomach 30.
Orifice of the stomach 30 is the gastral part of human or animal, is the interface section of esophagus 20 and stomach 40.Food in oesophagus
Thing is entered in stomach by orifice of the stomach 30.Having muscle at orifice of the stomach 30 can relax contracting, prevent the reflux such as food and hydrochloric acid in gastric juice into stomach from entering oesophagus.
Orifice of the stomach 30 is lax to cause corrosion and the inflammation of oesophagus.
Fig. 2 and Fig. 3 is refer to, the outside of stomach tube body 11 is provided with umbrella block piece 111 and first pressure sensor 113,
Umbrella block piece 111 includes expanding unit 1113 and the connecting portion 1111 being connected with stomach tube body 11, and stomach tube body 11 has expanding unit
Launch and make gastral cavity 41 and esophagus 20 in 1113 first states drawn in and make gastral cavity 41 be connected with esophagus 20, and expanding unit 1113
The second state for separating, first pressure sensor 113 is located between block piece 111 and the port of export 102, first pressure sensor 113
For detecting the pressure in gastral cavity 41 and controlling expanding unit 1113 to draw in or launch.
Optionally, the quantity of the first pressure sensor 113 is multiple, and the first pressure sensor 113 is distributed in the stomach
In the range of the 0-8cm of the close port of export 102 of tube body 11.
Optionally, the quantity of the first pressure sensor 113 is 6 or 8.
Pressure sensor is the most commonly used a kind of sensor in industrial practice, and it is widely used in various industrial automatic control rings
Border, be related to water conservancy and hydropower, railway traffic, intelligent building, production automatic control, Aero-Space, military project, petrochemical industry, oil well, electric power, ship,
Numerous industries such as lathe, pipeline, separately there is medical pressure sensor.
Medical pressure sensor is special medical pressure sensor.It is that special medical can experience pressure and be converted into
The sensor of usable output signal.(and because usually used pressure sensor mainly uses what piezo-electric effect was fabricated by,
Pressure sensor can be described as piezoelectric transducer again.)
Optionally, the connecting portion 1111 of the block piece 111 is located at the 10cm of the close port of export 102 of the stomach tube body 11.
When stomach tube 100 is placed on inside of human body, the connecting portion 1111 is located at the orifice of the stomach 30 between esophagus 20 and stomach 40, works as block piece
When 111 expanding unit 1113 is in deployed condition, block piece 111 separates esophagus 20 and gastral cavity 41, and preferably, patient does not have barriering effect
There is obvious sense of discomfort, overall using effect is preferable.
Explanation is needed exist for, support 1115 is distributed with the expanding unit 1113, in the case where needing to launch, block piece
111 under the supporting role of support 1115, and expanding unit 1113 is strutted, and forms the structure similar to umbrella, launches effect preferable.
Specifically, the stomach tube 100 can receive the pressure signal in gastral cavity 41 to control by first pressure sensor 113
The gathering or expansion of expanding unit processed 1113, when reflux events are that when will appear from, expanding unit 1113 is launched, separate esophagus 20 and gastral cavity
41, prevent the fluid in gastral cavity 41 from entering in esophagus 20, it is to avoid the generation of phenomenon of backflowing.Overall using effect is preferable, patient
Comfort level is higher when using, and the reasonable in design, mechanism is compact, and market application potential is huge.
Optionally, stomach tube body 11 is internally provided with valve 115, and there is valve 115 fluid unidirectionally to be flowed from entrance point 101
Move to the third state of the port of export 102, and fluid two-way flow in stomach tube body 11 the 4th state.
Here fluid is liquid food, or other liquid.
During normal nasal feeding, valve 115 is under the 4th state, and liquid food flows into stomach by stomach tube body 11 by the port of export 102
In chamber 41；When it is estimated occur backflow state when, valve 115 is under the third state, fluid can only one-way flow, the valve
115 can only flow to the port of export 102, the liquid food in gastral cavity 41 from entrance point 101 similar to check valve, liquid food by stomach tube body 11
Can not backflow.The immoderation of patient can substantially be reduced.
Optionally, valve 115 is located between block piece 111 and the port of export 102 and relative to the port of export 102 near block piece 111.
When valve 115 is in the position of the close port of export 102 of stomach tube body 11, either normal nasal feeding, or occur
After phenomenon of backflowing, patient does not have obvious sense of discomfort, and overall using effect is preferable.
Explanation is needed exist for, the valve 115 may be located between block piece 111 and the port of export 102 and relative to gear
Part 111 is near the port of export 102.
Optionally, the outside of stomach tube body 11 is additionally provided with control unit 117, and control unit 117 receives first pressure sensor
Simultaneously control valve 115 is in the third state or the 4th state to 113 signals for sending.
The control unit 117 is located between entrance point 101 and connecting portion 1111 and relative to entrance point 101 near connecting portion
1111, control unit 117 is used to receive the signal that first pressure sensor 113 sends, and judges whether to will appear from reflux events, when
Judge to will appear from backflowing phenomenon when, the control valve 115 of control unit 117 is at the third state, the phase of valve 115 at this moment
When in the liquid food in check valve, gastral cavity 41 entrance point 101 can not be flowed to by stomach tube body 11, it is to avoid phenomenon appearance of backflowing.
Optionally, the outside of stomach tube body 11 is additionally provided with control unit 117, and control unit 117 receives first pressure sensor
113 signals for sending simultaneously control expanding unit 1113 to draw in or launch.
The control unit 117 is located between entrance point 101 and connecting portion 1111 and relative to entrance point 101 near connecting portion
1111, control unit 117 is used to receive the signal that first pressure sensor 113 sends, and judges whether to will appear from reflux events, when
Judge to will appear from backflowing phenomenon when, control unit 117 control expanding unit 1113 be at deployed condition, make esophagus 20 and stomach
Chamber 41 is in cut-off state, it is to avoid the liquid food in gastral cavity 41 flows to esophagus 20 by orifice of the stomach 30.Overall using effect is preferable.
Need exist for explaining, in specific implementation, the control unit 117 controls block piece 111 and valve 115 simultaneously, when
It is estimated to occur when backflowing phenomenon, under the control action of control unit 117, it is in the expanding unit 1113 of block piece 111 and launches shape
State, makes valve 115 be in the third state, and both work simultaneously, it is to avoid phenomenon of backflowing occur.Patient does not have obvious sense of discomfort,
Overall using effect is preferable.
Optionally, control unit 117 is located between connecting portion 1111 and entrance point 101 and relative to entrance point 101 near company
Socket part 1111, stomach tube 100 also includes outside connected switch 13, and outside connected switch 13 is used to control control unit 117 to open or close.
Need exist for explaining, under normal circumstances, the outside connected switch 13 is closed, expanding unit 1113 is in receives
Hold together state, valve 115 is in the 4th state, and liquid food can be normally entered in gastral cavity 41, and gastral cavity 41 is also at esophagus 20 and connects
State.When anticipation is to being when will appear from reflux events, to open outside connected switch 13, control unit 117 is set to be in stand-by state, when first
Pressure sensor 113 detects the pressure anomaly in gastral cavity 41, and is first pressure sensor 113 when will appear from backflowing phenomenon
Signal is fed back at control unit 117, the automatic block piece 111 of control unit 117 and valve 115 launch expanding unit 1113, make
Valve 115 is in the third state, it is to avoid the liquid food in gastral cavity 41 is backflowed by orifice of the stomach 30 and backflowed by stomach tube body 11.It is overall
Effect preferably, greatly reduces the immoderation of patient.
Embodiment 2
Fig. 4 is refer to, the present embodiment also provides a kind of stomach tube 100, and the technical scheme of the description of embodiment 1 is equally applicable to
The present embodiment, the published technical scheme of embodiment 1 is not repeated description.
It is the state of the expanding unit 1113 in launching of stomach tube 100 shown in Fig. 4.
Specifically, the present embodiment is with the difference of embodiment 1, the outside of stomach tube body 11 also sets up also second pressure
Sensor 118, second pressure sensor 118 is located between entrance point 101 and block piece 111 and for detecting the pressure in esophagus 20
Power.
When stomach tube body 11 is placed on inside of human body, the second pressure sensor 118 is located in the esophagus 20 of human body.
Optionally, the outside of stomach tube body 11 is additionally provided with pH sensors 119, pH sensors 119 be located at entrance point 101 with
Between block piece 111 and for detecting the pH in esophagus 20, the quantity of pH sensors 119 and the quantity of second pressure sensor 118
Identical and be multiple, pH sensors 119 and second pressure sensor 118 are staggered.
Optionally, the pH sensors 119 and second pressure sensor 118 be located at stomach tube body 11 apart from the port of export 102
In the range of place 15-30cm, pH sensors 119 and second pressure sensor 118 are uniform and are staggered, the sensitivity of detection compared with
It is high.
Optionally, the quantity of the pH sensors 119 and second pressure sensor 118 is 6 or 8.
PH sensors 119, are hydrogen ion concentration and to be converted into corresponding usable output signal in detecting measured object
Sensor.
Need exist for, first pressure sensor 113 mentioned above, pH sensors 119 and second pressure sensing
Device 118 can be mounted on the outside of stomach tube body 11, or be located on the outside of stomach tube body 11.
Optionally, stomach tube 100 also includes test section 15, and test section 15 is provided with indicator lamp, and test section 15 receives pH sensings
Signal that device 119 and second pressure sensor 118 send simultaneously controls indicator lamp to open or close.
PH value and pressure value in the test section 15 detection human body esophagus 20, are judged whether i.e. by pH value or pressure value
Phenomenon of backflowing is will appear from, when estimated occurring, indicator lamp is opened, and reminds patient staff phenomenon of backflowing occur.
A kind of stomach tube 100 for providing according to embodiments of the present invention, the operation principle of stomach tube 100 is：
Under normal circumstances, the pH value in human body esophagus 20 is 5-7, and the pH value in gastral cavity 41 is 0.9-1.5, quiet in esophagus 20
Pressure value under breath state is 10-30mmHg, small 5-10mmHg in the pressure ratio esophagus 20 in gastral cavity 41.
When patient occur acutely cough, Nausea and vomiting, muscle cramp or brain damage after neuron because etc. clinical setting
Under, patient it may happen that intragastric pressure exceed the pressure of esophagus 20, gastric content from backwards flowing and swallow by mistake, ultimately result in pulmonary infection.
When backflowing of gastric content occurs in patient, when pH value can drop to 4 in esophagus 20 and following, the pressure in esophagus 20 can also decline
To 13.1 ± 6.7mmHg.
When the pH that test section 15 is detected in esophagus 20 by pH sensors 119 drops to 4 and less, or by second
The pressure that pressure sensor 118 is detected in esophagus 20 drop to 10mmHg and it is following when, indicator lamp light, remind work people
Has there is phenomenon of backflowing in member, patient.
When patient occur acutely cough, Nausea and vomiting, muscle cramp or brain damage after neuron because etc. clinical setting
Under, pressure can increase in patient's gastral cavity 41, and when pressure in esophagus 20 is met and exceeded, will backflow phenomenon.
When the pressure in patient's gastral cavity 41 is more than or equal to 30mmHg, first pressure sensor 113 is transmitted signals to
Control unit 117, control unit 117 realizes the effect of anti-reflux by controlling block piece 111 and valve 115.
When the pressure in gastral cavity 41 drop to 30mmHg and it is following when, control unit 117 control expanding unit 1113 draw in, make valve
Door 115 reaches normal state under the 4th state.
A kind of stomach tube 100 for providing according to embodiments of the present invention, the course of work of stomach tube 100 is：
Step one：Expanding unit 1113 is set to be in rounding state, the laminating of expanding unit 1113 stomach tube body 11；
Step 2：The port of export 102 of stomach tube 100 is inserted in the nostril of patient, pharyngeal, esophagus 20 and orifice of the stomach is passed sequentially through
30 reach in gastral cavity 41；
Step 3：Stomach tube 100 is placed and connecting portion 1111 is located near orifice of the stomach 30 after finishing；
Step 4：Expanding unit 1113 is in rounding state, and valve 115 is under the 4th state, carries out normal nasal feeding work
Make；
Step 5：When the pH that test section 15 is detected in esophagus 20 drop to 4 and following or pressure value drop to
10mmHg and it is following when, indicator lamp luminous alarm, clinically by register lamp alarm number of times, the duration, alarm
Period, position and it is monitored with the relation of medical treatment and nursing behavior, for clinical treatment nursing behavior provides foundation；
Step 6：It is determined that during in the presence of backflowing, opening outside connected switch 13, control unit 117 is set to be in stand-by state；
Step 7：When the pressure that control unit 117 is detected in gastral cavity 41 rises to 30mmHg and the above, block piece 111 is controlled
With valve 115, launch the expanding unit 1113 of block piece 111, valve 115 is in the third state, by gastral cavity 41 and esophagus 20 every
It is disconnected；
Step 8：The pressure that control unit 117 is detected in gastral cavity 41 drop to 30mmHg and it is following when, control block piece 111
With valve 115, draw the expanding unit 1113 of block piece 111 in, valve 115 is in the 4th state, connect gastral cavity 41 and esophagus 20
It is logical, carry out normal nasal feeding work.
Explanation is needed exist for, the stomach tube 100 is also backflowed with monitoring, controlled in the case where basic nasal feeding work is completed
The function of backflowing, can also detect, preferably, market application potential is huge for overall using effect to the effect for controlling.
Embodiment 3
The present embodiment also provides a kind of Nasal feeding device, and the Nasal feeding device includes stomach tube 100 mentioned above, and it has this
The repertoire of stomach tube 100.The structure of stomach tube 100 may be referred to embodiment 1 or 2.
The Nasal feeding device also includes detecting instrument, and the detecting instrument is used to detect and control outside connected switch 13 and test section
15.The effect that realization is automatically controlled.
In sum, the invention provides a kind of stomach tube 100, the stomach tube 100 can be connect by first pressure sensor 113
The gathering or expansion of expanding unit 1113 are controlled by the pressure signal in gastral cavity 41, when reflux events are expanding unit when will appear from
1113 launch, and separate esophagus 20 and gastral cavity 41, prevent fluid in gastral cavity 41 from entering in esophagus 20, it is to avoid the hair of phenomenon of backflowing
It is raw.Preferably, comfort level is higher when patient uses, and the reasonable in design, mechanism is compact, market application potential for overall using effect
It is huge.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of stomach tube, it is characterised in that including stomach tube body, the stomach tube body has entrance point and for stretching into gastral cavity
The port of export, be provided with umbrella block piece and first pressure sensor on the outside of the stomach tube body, the umbrella block piece includes exhibition
Portion and the connecting portion being connected with the stomach tube body are opened, the stomach tube body there is the expanding unit to draw in and makes gastral cavity and esophagus
The first state of connection, and the second state that the expanding unit is launched and separates gastral cavity and esophagus, the first pressure are passed
Sensor is located between the block piece and the port of export, and the first pressure sensor is used to detect pressure and the control in gastral cavity
Draw in or launch in the expanding unit.
2. stomach tube according to claim 1, it is characterised in that the stomach tube body is internally provided with valve, the valve
Door is two-way in the stomach tube body with the third state of the fluid from the entrance point one-way flow to the port of export, and fluid
4th state of flowing.
3. stomach tube according to claim 2, it is characterised in that the valve is located between the block piece and the port of export
And relative to the port of export near the block piece.
4. stomach tube according to claim 2, it is characterised in that be additionally provided with control unit on the outside of the stomach tube body, institute
Control unit is stated to receive signal that the first pressure sensor sends and control the valve to be in the third state or described
4th state.
5. stomach tube according to claim 1, it is characterised in that be additionally provided with control unit on the outside of the stomach tube body, institute
Control unit is stated to receive signal that the first pressure sensor sends and control the expanding unit to draw in or launch.
6. the stomach tube according to claim 4 or 5, it is characterised in that the controlling position in the connecting portion with it is described enter
Near the connecting portion between mouth end and relative to the entrance point, the stomach tube also includes outside connected switch, the outside connected switch
For controlling the control unit to open or close.
7. the stomach tube according to claim any one of 1-5, it is characterised in that also set up also on the outside of the stomach tube body
Second pressure sensor, the second pressure sensor is located between the entrance point and the block piece and for detecting in esophagus
Pressure.
8. stomach tube according to claim 7, it is characterised in that be additionally provided with pH sensors on the outside of the stomach tube body,
The pH sensors are located between the entrance point and the block piece and for detecting the pH in esophagus, the number of the pH sensors
Amount is identical with the quantity of the second pressure sensor and is multiple, and the pH sensors and the second pressure sensor are handed over
Mistake is set.
9. stomach tube according to claim 8, it is characterised in that the stomach tube also includes test section, the test section is set
There is indicator lamp, the signal that the test section receiving pH sensors and the second pressure sensor send simultaneously controls indicator lamp
Open or close.
10. a kind of Nasal feeding device, it is characterised in that including the stomach tube described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710072216.2A CN106726615A (en) | 2017-02-09 | 2017-02-09 | A kind of stomach tube and Nasal feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710072216.2A CN106726615A (en) | 2017-02-09 | 2017-02-09 | A kind of stomach tube and Nasal feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106726615A true CN106726615A (en) | 2017-05-31 |
Family
ID=58955695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710072216.2A Pending CN106726615A (en) | 2017-02-09 | 2017-02-09 | A kind of stomach tube and Nasal feeding device |
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| Country | Link |
|---|---|
| CN (1) | CN106726615A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112402260A (en) * | 2020-11-14 | 2021-02-26 | 王春保 | Nasogastric tube robot |
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Application publication date: 20170531 |