CN205729960U - A kind of nasointestinal tube - Google Patents
A kind of nasointestinal tube Download PDFInfo
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- CN205729960U CN205729960U CN201620569096.8U CN201620569096U CN205729960U CN 205729960 U CN205729960 U CN 205729960U CN 201620569096 U CN201620569096 U CN 201620569096U CN 205729960 U CN205729960 U CN 205729960U
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- metallic object
- tube
- conduit
- magnetic field
- tube chamber
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Abstract
The utility model discloses a kind of nasointestinal tube, belong to medical instruments field.The nasointestinal tube front top envelope of prior art has capsule, and in catheterization procedure, this capsule is turned back increases the resistance pushed, easy damaged gastrointestinal mucosa, and the time of conduit entrance enteral cannot actively control, so that being delayed curative effect.This utility model includes the conduit inserting gastrointestinal, catheter proximal end top arranges the metallic object with certain rigidity, the shape of metallic object is streamlined, sets one layer at metallic object outer mask and has certain elastic flexible membrane, and metallic object is made with the material that magnetic field can produce sensing.Metallic object shape is streamlined and metal has rigidity to be difficult to bending, and the resistance that streamlined reduction pushes, at one layer of flexible membrane of metallic object outer cladding, soft surface, thus when pushing conduit and moving ahead, catheter proximal end has certain elasticity, not easy damaged gastrointestinal mucosa while having certain degree of hardness.Magnetic field and guide wire is utilized to drive conduit to move so that moving process is more smooth and easy, quick.
Description
Technical field
This utility model relates to a kind of nasointestinal tube, belongs to medical instruments field.
Background technology
The gentle body of hydrops in gastrointestinal tract the most often occurs, or due to illness can not per os diet, just need to be by inserting the catheter into
In gastrointestinal, the liquids and gases sucking-off accumulated in gastrointestinal, or medicine, nutritional solution etc. are inputted in gastrointestinal, be a kind of
Safe and simple effective remedy measures.Traditional method is to use nasogastric tube, but this pipe can only be inserted in gastral cavity, produces little effect, and
With the presence of the risk of return esophagus, so that inhale asphyxiant serious consequence by mistake.Therefore, easy and simple to handle, not damaged how is used
Quickly conduit being sent into enteral in time, become the focus of medical research always, omnifarious conduit also emerges in an endless stream.Notification number
CN1530147A Chinese utility model patent, represents the leading technology of current various conduit.But, using this practical new
During type patent, having following defects that 1, have capsule due to catheter proximal end top envelope, in catheterization procedure, this capsule is turned back increase
The resistance pushed, easy damaged gastrointestinal mucosa.2, catheter proximal end does not has rigidity, during the power that is hampered at the bottom of return stomach easy to break.3, due to conduit
Enter enteral through stomach, be need to be effective by the creeping effect ability of gastrointestinal, and the gastrointestinal peristalsis function of patient is often low, leads
The time of pipe entrance enteral cannot actively control, and is often limited by the state of an illness and is in passive waiting state, so that being delayed curative effect.4, because of
Patient's intestinal occurs retrostalsis often, and conduit is turned back when returning to esophagus, during loading thing in gastrointestinal or nutritional solution, has and draws
Act the anxiety suffocated.5, under morbid state, liquid often muddy band residue in patient's gastrointestinal, the joint of existing catheter tip is all in loudspeaker
Shape, when this joint connects negative pressure utensil, has step surface at connecting portion, and blocking often occurs at this in liquid, causes attraction
Invalid.For drawbacks described above present in currently available technology, it is necessary to research and develop in fact, solves to lack present in prior art
Fall into.
Utility model content
For the defect of prior art, this utility model provides one can have certain rigidity and non-easy damaged gastrointestinal
Mucosa, it is possible in time, actively control, the nasointestinal tube precisely pushed.
For achieving the above object, the technical solution of the utility model is:
A kind of nasointestinal tube, including the conduit in order to insert gastrointestinal, catheter proximal end top arranges the metal with certain rigidity
Body, the shape of metallic object is streamlined, sets one layer at metallic object outer mask and has certain elastic flexible membrane, and metallic object is with flexible
The mutual adhesion of film, has space between the two.
Metallic object shape is streamlined and metal has rigidity to be difficult to bending, and the resistance that streamlined reduction pushes, at metal
One layer of flexible membrane of external cladding, soft surface, thus when pushing conduit and moving ahead, catheter proximal end has one while having certain degree of hardness
Fixed elasticity, not easy damaged gastrointestinal mucosa.
Further, conduit arranges the first tube chamber, the second tube chamber, and the first tube chamber communicates with space, the second tube chamber and conduit
The side channel of front end adjacent metal body communicates.
Further, the first tube chamber and the second tube chamber are not connected, the horn-like joint phase of the first tube chamber and catheter tip
Logical, the second tube chamber communicates with the cone joint of catheter tip.The distal opening of horn-like joint is relatively big, and if resistance, pass through
This joint can inject in space or discharge gas, expands resistance position.Cone joint opening is less, by this
Joint can draw the liquids and gases of gastrointestinal inner accumulated or to stomach enteral feeding medicine and nutritional solution.
Further, the first tube chamber or the second tube chamber are built into a guide wire, on the one hand strengthen the rigidity of conduit, another
Aspect is conducive to operator's actively controllable propelling movement conduit.
Further, metallic object is made with the material that magnetic field can produce sensing.
Further, also including that one can produce shifting magnetic field the magnetic field generator driving metallic object to move, magnetic field is sent out
Raw device can use prior art, utilizes permanent magnet or electric magnet to make magnetic field generator.
Further, metallic object is permanent magnet, directly with permanent magnet be fabricated by simply, low cost.
Further, metallic object is the electric magnet with microcontroller chip and micro battery, according to the draught control electricity run into
The electromagnetic force that Magnet produces, it is possible to effectively alleviate the damage to gastrointestinal, it is to avoid the excessive damage causing gastrointestinal of electromagnetic force, electromagnetic force
Too small, conduit cannot move to precalculated position.
Further, magnetic field generator is permanent magnet or the electromagnet with control circuit.Preferably electromagnet, root
The electromagnetic force produced according to the draught control electromagnet run into, it is possible to effectively alleviate the damage to gastrointestinal, it is to avoid electromagnetic force is excessive to be led
Causing the damage of gastrointestinal, electromagnetic force is too small, and conduit cannot move to precalculated position.
When conduit is inserted into gastral cavity, magnetic field generator produces shifting magnetic field, metallic object and magnetic field mutual induction, magnetic outside abdominal cavity
Field is mobile drives metallic object to move, and then fix the conduit realization being connected with metallic object mobile, when conduit is pushed to pre-determined bit
When putting, the magnetic field that the magnetic field generator outside stomach wall produces is not in change, from the location realizing metallic object and conduit.Utilize magnetic field
The position realizing conduit is moved, it is possible to greatly alleviate the misery of patient, reduces the damage to gastrointestinal.And the outstanding of nasointestinal tube can be realized
Floating fixed position so that location is more accurate, and therapeutic effect is more preferable.Movement for making conduit is more smooth and easy, and magnetic field generator is permissible
Jointly act on guide wire so that conduit and metallic object is more smooth and easy, quickly move to precalculated position.
Further, flexible membrane is rubber.Rubber good springiness, low cost.
Compared with prior art, this utility model has the advantages that
The metallic object at this utility model catheter proximal end top is streamlined, and the streamlined resistance reducing propelling movement, operator pushes away
During sending conduit, metallic object has rigidity the most flexible；Outside cladding flexible membrane, catheter proximal end top has certain rigidity
There is certain elasticity, not easy damaged gastrointestinal mucosa simultaneously；Magnetic field on stomach wall produces suction to metallic object, and metallic object is with magnetic field
Movement and move so that nasointestinal tube push process more smooth and easy；When arriving precalculated position, magnetic field can position the position of conduit
Put；Coniform joint eliminates the step surface between adapter, reduces blocking probability, and on the one hand guide wire strengthens the rigidity of conduit,
On the other hand operator's actively controllable propelling movement conduit is conducive to.Magnetic field and guide wire is utilized to realize conduit accurately, quickly move,
Electromagnetic force is adjustable simultaneously, it is possible to greatly alleviate the misery of patient, reduces the damage to gastrointestinal.
Accompanying drawing explanation
Fig. 1 this utility model structural representation (does not include magnetic field generator)；
The Section A-A enlarged drawing of Fig. 2 this utility model conduit；
The section B-B enlarged drawing of Fig. 3 this utility model conduit.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
On the contrary, this utility model contain any be defined by the claims do in spirit and scope of the present utility model
Replacement, amendment, equivalent method and scheme.Further, in order to make the public that this utility model to be had a better understanding, the most right
During details of the present utility model describes, detailed describe some specific detail sections.Do not have for a person skilled in the art
The description of these detail sections can also understand this utility model completely.
Specific embodiment as shown in Figures 1 to 3, a kind of nasointestinal tube, including the conduit in order to insert gastrointestinal, shifting can be produced
Moving field also drives the magnetic field generator that metallic object moves.Catheter proximal end top arranges the metallic object 1 with certain rigidity, metal
Body is made with the material that magnetic field can produce sensing, and the shape of described metallic object 1 is streamlined.
Setting one layer at metallic object outer mask and have certain elastic flexible membrane 2, flexible membrane is rubber.Described metallic object
Adhesion mutual with flexible membrane, has space 7 between the two.
Described conduit arranges the first tube chamber, the second tube chamber, and described first tube chamber 3 communicates with space 7, described second tube chamber 5
Communicate with the side channel 4 of catheter proximal end adjacent metal body.Described first tube chamber and the second tube chamber are not connected, the first tube chamber 3 with lead
The horn-like joint 9 of pipe end communicates, and the second tube chamber 5 communicates with the cone joint 8 of catheter tip.First tube chamber or the second pipe
Intracavity inserts a guide wire 6.
Metallic object is permanent magnet, directly with permanent magnet be fabricated by simply, low cost.
Metallic object can also be fabricated by by the electric magnet with microcontroller chip and micro battery, according to the resistance control run into
The electromagnetic force that electric magnet processed produces, it is possible to effectively alleviate the damage to gastrointestinal, it is to avoid the excessive damage causing gastrointestinal of electromagnetic force, electricity
Magnetic force is too small, and conduit cannot move to precalculated position.
Magnetic field generator can be the electromagnet with control circuit.Magnetic field generator is according to the draught control electromagnetism run into
The electromagnetic force that body produces, it is possible to effectively alleviate the damage to gastrointestinal, it is to avoid the excessive damage causing gastrointestinal of electromagnetic force, electromagnetic force mistake
Little, conduit cannot move to precalculated position.
Operation principle of the present utility model: during use, when conduit per nasal is inserted into gastral cavity, magnetic field generator is corresponding at stomach wall
Part produces magnetic field.Metallic object 1 and the magnetic field mutual induction at conduit top, while magnetic field is moved toward pylorus direction, operation
The direction that conduit moves along magnetic field is the most precisely pushed by person.If being hampered during power, injecting through horn-like joint 9 or discharging one
Quantitative gas, enters space 7 along the first tube chamber 3, allows the space 7 between flexible membrane 2 with metallic object 1 separate or to be coated with, makes to lead
The time of increase during the volume at pipe top and diminish, resistance position is expanded repeatedly, until resistance eliminates.Continue conduit is past
Precalculated position is arrived in front propelling movement, and when predetermined position sent to by conduit, the magnetic field that the magnetic field generator outside stomach wall produces is not becoming
Change, from realizing the location of metallic object and conduit, thus avoid catheter position to move and suffocate.
When conduit is pushed to precalculated position, extracts guide wire 6 out, in vitro conduit is fixed, by coniform joint 8 even
Receive corresponding negative pressure utensil, the liquid in gastrointestinal through side channel 4 along the second tube chamber 5 sucking-off.
Other embodiments of the present utility model, in order to nasointestinal tube the most actively controllable can be sent into enteral by operator, use
Time, patient's stomach wall is placed magnetic field generator, wherein the guide wire material that can be adsorbed by magnetic field is made, in order to increase magnetic field
Suction to nasointestinal tube so that nasointestinal tube insertion process is more smooth and easy.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (10)
1. a nasointestinal tube, including the conduit in order to insert gastrointestinal, is characterized in that, catheter proximal end top is arranged has certain rigidity
Metallic object (1), the shape of described metallic object (1) is streamlined, sets one layer at metallic object outer mask and has certain elastic soft
Property film (2), described metallic object and the mutual adhesion of flexible membrane, have space (7) between the two.
A kind of nasointestinal tube the most according to claim 1, is characterized in that, described conduit arranges the first tube chamber, the second tube chamber, institute
State the first tube chamber (3) to communicate with space (7), a side channel (4) phase of described second tube chamber (5) and catheter proximal end adjacent metal body
Logical.
A kind of nasointestinal tube the most according to claim 2, is characterized in that, described first tube chamber and the second tube chamber are not connected,
First tube chamber (3) communicates with the horn-like joint (9) of catheter tip, the second tube chamber (5) and the cone joint (8) of catheter tip
Communicate.
A kind of nasointestinal tube the most according to claim 3, is characterized in that, the first tube chamber or the second tube chamber are built into a guiding
Silk (6).
5. according to the arbitrary described a kind of nasointestinal tube of claim 1-4, it is characterized in that, metallic object is with magnetic field being produced sensing
Material is made.
A kind of nasointestinal tube the most according to claim 5, is characterized in that, also include that one can produce shifting magnetic field and drive gold
Belong to the magnetic field generator that body moves.
A kind of nasointestinal tube the most according to claim 6, is characterized in that, described metallic object is permanent magnet.
A kind of nasointestinal tube the most according to claim 6, is characterized in that, described metallic object is with microcontroller chip and micro-electricity
The electric magnet in source.
A kind of nasointestinal tube the most according to claim 6, is characterized in that, described magnetic field generator is permanent magnet or with control
The electromagnet of circuit processed.
10. according to the arbitrary described a kind of nasointestinal tube of claim 1-4, it is characterized in that, described flexible membrane is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620569096.8U CN205729960U (en) | 2016-06-13 | 2016-06-13 | A kind of nasointestinal tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620569096.8U CN205729960U (en) | 2016-06-13 | 2016-06-13 | A kind of nasointestinal tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205729960U true CN205729960U (en) | 2016-11-30 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620569096.8U Active CN205729960U (en) | 2016-06-13 | 2016-06-13 | A kind of nasointestinal tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205729960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105920721A (en) * | 2016-06-13 | 2016-09-07 | 陈奇 | Nasointestinal tube |
-
2016
- 2016-06-13 CN CN201620569096.8U patent/CN205729960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105920721A (en) * | 2016-06-13 | 2016-09-07 | 陈奇 | Nasointestinal tube |
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