CN110403826A - A kind of bionical combination magnetic traction fast forward nose nutrient canal of intestine of the awn of wheat - Google Patents
A kind of bionical combination magnetic traction fast forward nose nutrient canal of intestine of the awn of wheat Download PDFInfo
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- CN110403826A CN110403826A CN201810389364.1A CN201810389364A CN110403826A CN 110403826 A CN110403826 A CN 110403826A CN 201810389364 A CN201810389364 A CN 201810389364A CN 110403826 A CN110403826 A CN 110403826A
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- awn
- wheat
- imitative
- nutrient canal
- intestine
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0003—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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Otolaryngology (AREA)
- Pulmonology (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention discloses a kind of bionical combination magnetic of awn of wheat to draw fast forward nose nutrient canal of intestine, is suitable for enteral nutrition, is front end in awn of wheat biomimetic features and with the nose nutrient canal of intestine of magnet；Main includes imitative awn of wheat drawing head, magnet and nutrition tube body；Imitative awn of wheat drawing head is made of the imitative awn of wheat material of axis body and several piece-root graftings thereon；Magnet includes a pair of attracting abdomen internal magnetic ring and stomach wall outer magnet.The present invention provides two ways of the imitative awn of wheat drawing head in conjunction with nutrient canal ontology: nested type and linking.Nested type: imitative awn of wheat drawing head is communicated with the pipeline for being nested in nutrition tube body.Linking: it is connected and fixed between imitative awn of wheat drawing head and nutrition tube body with material.The bionical combination magnetic of specifically a kind of awn of wheat of the present invention draws fast forward nose nutrient canal of intestine, the unidirectional mobile force-fitting abdomen outer magnet of imitative awn of wheat drawing head and the attraction of abdomen inner magnet draw nutrition tube body jointly and quickly reach small intestine, give patients with enteral nutrition caused support in time；It is easy to operate simultaneously.
Description
Technical field
The invention belongs to the field of medical instrument technology, in particular to a kind of bionical combination magnetic traction fast forward nose intestines battalion of the awn of wheat
Support pipe.
Background technique
Domestic and international guide is recommended, as long as patient's gastrointestinal tract is fully functional or has part gastrointestinal function, preferred enteral battalion
It supports and gives nutritional support treatment.There are many EN support approach, and wherein nasointestinal tube is since operation invasion is small, can reduce
Patient accidentally inhales and reflux incidence, and increasingly extensive, especially suitable severe pancreatitis, the nervous system disease are applied in nutritional support
And old patient etc..
Clinically used common nasointestinal tube is made of polyurethane material, and soft pliable is bent.In addition to this there are also screw type noses
The types such as intestinal tube, liquid bag jejunum tube, gravity head nasointestinal tube.Screw type nasointestinal tube is wide in clinical application, and distal end is in spiral shell
Shape is revolved, guiding steel wire is inserted in people's nasointestinal tube, the nasointestinal tube head of screw type is stretched, since there is material special spiral to remember
Recall performance (Folcare Beng Mark patent), distal end can be self-healing helical form, after merging stomach is interior gradually with gastrointestinal peristalsis
Reach jejunum upper section, but it is longer for the WeiDongLi Capsule impaired subjects waiting time, merging success rate it is not high；Liquid bag jejunum tube has
Liquid capsule, being placed in stomach fluid injection in nasointestinal tube backward expands liquid capsule, is finally moved to small intestine, but liquid capsule movement side by peristole
To not easy to control, and there is the disadvantages of setting too deep pipe, difficulty in decannulation；Gravity head nasointestinal tube head end has metallic particles, is placed in stomach
The gradually downlink under gastrointestinal motility and gravity afterwards, because its clinical effectiveness requires study, at present guide temporarily not as
Recommended by routine sets pipe type.It is mobile that peristaltic wave is relied on after in above-mentioned several nasointestinal tube merging stomaches, but due to peristaltic wave direction
With amphicheirality, drives nasointestinal tube that can retreat while advance, to slow down the speed that nasointestinal tube unidirectionally moves, make it in stomach and intestine
Interior movement is very limited, and about waits get to small intestine within 48 hours, delays treatment process.
The other blindmate method of bed is one of the main method of No operation merging nasointestinal tube, and operator is not straight by any auxiliary tool
It connects and nasointestinal tube head end is sent into duodenum or jejunum upper section by pylorus.Although this method process is convenient, expense is low, operation
Difficulty is big, merging success rate is low.Underlying pipe is guided frequently with through x-ray and scope to the urgent patient for being badly in need of EN support,
This method, which can be improved, sets pipe success rate, but process is cumbersome, and patient is transported to corresponding operating room after need to reserving, and transport process has peace
Full hidden danger and costly, patient and medical staff also suffer from the harm of x-ray radiation.Postoperative merging method is only applicable in operation and suffers from
Person, range limitation.
Comprehensively consider, current clinic needs the nose nutrient canal of intestine that a kind of waiting time is short, easy and safe to operate, expense is low.
After in nasointestinal tube blindmate to stomach, under the passive propulsion of peristaltic wave, drive nasointestinal tube quickly through pylorus by special construction, into
Enter small intestine.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the purpose of the present invention is to provide a kind of bionical combination magnetic tractions of awn of wheat
Fast forward nose nutrient canal of intestine, blindmate is placed in nasointestinal tube by bed, it is imitative awn of wheat drawing head and magnet ring it is common draw under quickly by
It is moved to small intestine in stomach, gives patients with enteral nutrition caused support in time；Easy to operate, safety, expense are low simultaneously.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of bionical combination magnetic traction fast forward nose nutrient canal of intestine of the awn of wheat, including nutrition tube body 4, which is characterized in that institute
The head end for stating nutrition tube body 4 is provided with imitative awn of wheat drawing head 1, and the imitative awn of wheat drawing head 1 includes axis body 2 and is inclined at
Several imitative awn of wheat materials 3 on axis body 2, wherein the imitative awn of wheat material 3 gathers effect by axis formation of the length direction of axis body 2
Fruit gathers head end towards the lead for imitating awn of wheat drawing head 1, tail end is dissipated towards nutrition tube body 4, thus in traction negative side
It is upwardly formed resistance.
The imitative awn of wheat material 3 imitates the direction of growth arrangement of the awn of wheat on the wheat head on axis body 2, imitates the natural awn of wheat
Barb structure.The medical high polymers materials such as polyurethane, polyester fiber, degradation material (PGA/PLGA) can be used in imitative awn of wheat material 3
Material is made.
2.5~3.5cm of length range of the imitative awn of wheat material 3, gathers 3~4cm of tail end diameter range.
Its material softness makes every effort to minimize, it is ensured that safety to intestinal wall stimulation.
The axis body 2 is spindle.
A kind of structure (nested type) of the invention, the axis body 2 are hollow inflatable structure, and material has preferable
Elasticity and retractility, the nutrition tube body 4 includes the fluid injection nutrient canal 6 and gas injection conduit 5 that are linked together side by side, fluid injection battalion
The head end for supporting pipe 6 is open, and axis body 2 is connected to the head end of gas injection conduit 5, and is located at 5 head end of gas injection conduit before inflation
Inside makes 2 bulging gas injection conduit 5 of axis body by the inflation of gas injection conduit 5, and the cross-sectional area after 2 inflation of axis body is greater than nutrition
The cross-sectional area of tube body 4.
5 head end of gas injection conduit is cased with abdomen internal magnetic ring 9.
Another structure (linking) of the invention, the imitative awn of wheat drawing head 1 has outer cover 10 outside, by axis body 2 and imitative wheat
In awns material 3 is coated on, nutrition tube body 4 by its head end there are aperture 12 and Curved pipeline configuration connector 11
One end connection, the other end of connector 11 are protruded into outer cover 10 and are connect with the tail end of axis body 2.
Abdomen internal magnetic ring 9 is cased on the connector 11.
The outer cover 10 is made of material diffluent in gastric juice, such as capsule external mold is dissolved in ice film, stomach；The company
Junctor 11 is made of material degradable in vivo.
Compared with prior art, the beneficial effects of the present invention are:
1, the bionical combination magnetic of one kind of the invention " awn of wheat " draws fast forward nose nutrient canal of intestine, utilizes the special hangnail of the awn of wheat
The mobile principle of structure one-way is fast moved under the common drive of imitative awn of wheat drawing head and magnetic pull, is reached in the short period
Small intestine gives patient's nutritional support treatment in time；
2, the bionical combination magnetic of one kind of the invention " awn of wheat " draws fast forward nose nutrient canal of intestine, by bed in blindmate to stomach after
Voluntarily advance under the propulsion of peristaltic wave, operation relatively convenient, safety, expense are low；
3, the bionical combination magnetic of one kind of the invention " awn of wheat " draws fast forward nose nutrient canal of intestine, novel ingenious, adapts to
Clinical demand.
Detailed description of the invention
Fig. 1 is a kind of signal of the bionical traction fast forward nose nutrient canal of intestine of awn of wheat of the invention (the non-bulging of nested type) shape
Figure.
Fig. 2 is a kind of bionical traction fast forward nose nutrient canal of intestine of awn of wheat of the invention (nested type bulging) appearance schematic diagram.
Fig. 3 is a kind of bionical traction fast forward nose nutrient canal of intestine (linking) appearance schematic diagram of awn of wheat of the invention.
Specific embodiment
Purpose, technical solution and its effect to facilitate the understanding of the present invention, now will in conjunction with the embodiments to the present invention do into
One step elaborates.
Embodiment 1
A kind of bionical combination magnetic traction fast forward nose nutrient canal of intestine of the awn of wheat, using nesting type structure.As shown in Figure 1, imitative wheat
The non-bulging of awns drawing head；As shown in Fig. 2, imitative awn of wheat drawing head bulging.It includes nutrition tube body 4, the head of nutrition tube body 4
End is provided with imitative awn of wheat drawing head 1, and imitative awn of wheat drawing head 1 includes axis body 2 and several imitative awn of wheat materials being inclined on axis body 2
Material 3.
Wherein, the direction of growth arrangement that awn of wheat material 3 imitates the awn of wheat on the wheat head on axis body 2 is imitated, the natural awn of wheat is imitated
Barb structure, using the length direction of axis body 2 as axis formed gather effect, gather head end towards imitate awn of wheat drawing head 1 traction
Direction dissipates tail end towards nutrition tube body 4, to be upwardly formed resistance in traction negative side.
The medical macromolecular materials such as polyurethane, polyester fiber, degradation material (PGA/PLGA) can be used in imitative awn of wheat material 3
It is made.
2.5~3.5cm of length range of the imitative awn of wheat material 3 gathers tail end diameter range 3~4cm tip diameter
0.5mm, tail end diameter 1mm.Its material softness makes every effort to minimize, it is ensured that safety to intestinal wall stimulation.
Axis body 2 is hollow inflatable structure, and material has preferable elasticity and retractility, is after expanding after inflation
Spindle.Nutrition tube body 4 includes the fluid injection nutrient canal 6 and gas injection conduit 5 being linked together side by side, the head end of fluid injection nutrient canal 6
Open, axis body 2 is connected to the head end of gas injection conduit 5, and is located at the inside of 5 head end of gas injection conduit before inflation, passes through note
The inflation of airway 5 makes 2 bulging gas injection conduit 5 of axis body, and the cross-sectional area after 2 inflation of axis body is greater than the cross of nutrition tube body 4
Sectional area, and abdomen internal magnetic ring 9 is cased in 5 head end of gas injection conduit.
This structure is suitable for enteral nutrition, and when operation, patient takes suitable clinostatism, and medical staff is by bed by nose enteral nutriment
In pipe intranasal blindmate to stomach；Open 5 tail end of gas injection conduit gas injection duct cover 7, to gas injection conduit 5 inject air, make axis body 2 from
Bulging in gas injection conduit 5, then stops gas injection, covers gas injection duct cover 7.Imitative awn of wheat material 3 comes into full contact with gastrointestinal wall, simultaneously
Medical staff's hand takes abdomen outer magnet to move on stomach wall by peristaltic wave direction, matches with abdomen internal magnetic ring 9, makes nutrition tube body
4 quickly reach small intestine under the tractive force of imitative awn of wheat material 3 and the collective effect of magnetic attraction.
After coherence check confirmation nose nutrient canal of intestine reaches corresponding site, gas injection duct cover 7 is opened, by air pumpback, axis
Body 2 bounces back in gas injection conduit 5, covers gas injection duct cover 7.The injection catheter lid 8 for opening 6 tail end of fluid injection nutrient canal, to fluid injection
Nutrient canal 6 inputs nutrient solution and gives patients with enteral nutrition caused supportive treatment.
Embodiment 2
A kind of bionical combination magnetic traction fast forward nose nutrient canal of intestine of the awn of wheat, using linking structure.As shown in figure 3, it is wrapped
Nutrition tube body 4 is included, the head end of nutrition tube body 4 is provided with imitative awn of wheat drawing head 1, and imitative awn of wheat drawing head 1 includes axis body 2 and inclines
Several imitative awn of wheat materials 3 on axis body 2 are tiltedly set.
Wherein, the direction of growth arrangement that awn of wheat material 3 imitates the awn of wheat on the wheat head on axis body 2 is imitated, the natural awn of wheat is imitated
Barb structure, using the length direction of axis body 2 as axis formed gather effect, gather head end towards imitate awn of wheat drawing head 1 traction
Direction dissipates tail end towards nutrition tube body 4, to be upwardly formed resistance in traction negative side.
The medical macromolecular materials such as polyurethane, polyester fiber, degradation material (PGA/PLGA) can be used in imitative awn of wheat material 3
It is made.
3.5~4.5cm of length range of imitative awn of wheat material 3, gathers 3~4cm of tail end diameter range.Its material softness, it is right
Intestinal wall stimulation is made every effort to minimize, it is ensured that safety.
Have outer cover 10 outside imitative awn of wheat drawing head 1, axis body 2 and imitative awn of wheat material 3 are coated in, outer cover 10 by ice film,
The diffluent material in gastric juice such as dissolution capsule external mold is made in stomach.Nutrition tube body 4 by its head end there are aperture 12
It is connect with one end of the connector 11 of Curved pipeline configuration, the other end of connector 11 protrudes into the tail in outer cover 10 with axis body 2
End connection, connector 11 are made of material degradable in vivo, and abdomen internal magnetic ring 9 is cased on connector 11.
When operation, patient takes suitable clinostatism, medical staff by bed by nose nutrient canal of intestine intranasal blindmate to stomach, outer cover
10 ellipsoidal structure is conducive to it and slides in vivo.
Outer cover 10 exposes imitative awn of wheat drawing head 1 after dissolving in stomach, come into full contact with imitative awn of wheat material 3 with gastrointestinal wall,
Medical staff's hand takes the abdomen outer magnet cooperated with abdomen internal magnetic ring 9 to move outside abdomen by peristaltic wave direction simultaneously, makes nutrient canal sheet
Body 4 quickly reaches small intestine under the collective effect of imitative awn of wheat tractive force and magnetic attraction
To 4 fluid injection of nutrition tube body after coherence check confirmation nose nutrient canal of intestine reaches corresponding site, liquid passes through aperture
12 flow into connector 11, accelerate 11 degradation in vivo of connector, and imitative awn of wheat drawing head 1 is separated with nutrition tube body 4.
Nutrient solution, which is inputted, to nutrition tube body 4 gives patients with enteral nutrition caused supportive treatment, 9 a period of time of abdomen internal magnetic ring heel row
External out, other structures are degraded or are excreted with swill.
Further narration is done to the present invention above in conjunction with embodiment, but present invention is not limited to the embodiments described above,
Within the knowledge of one of ordinary skill in the art, it can also make without departing from the purpose of the present invention
Various change.
Claims (10)
1. a kind of bionical combination magnetic of the awn of wheat draws fast forward nose nutrient canal of intestine, including nutrition tube body (4), which is characterized in that institute
The head end for stating nutrition tube body (4) is provided with imitative awn of wheat drawing head (1), and the imitative awn of wheat drawing head (1) includes axis body (2) and inclines
Several imitative awn of wheat materials (3) being tiltedly arranged on axis body (2), wherein the imitative awn of wheat material (3) is with the length side of axis body (2)
Gather effect is formed to for axis, gathers head end towards the lead for imitating awn of wheat drawing head (1), dissipates tail end towards nutrient canal sheet
Body (4), to be upwardly formed resistance in traction negative side.
2. the bionical combination magnetic of the awn of wheat draws fast forward nose nutrient canal of intestine according to claim 1, which is characterized in that the imitative wheat
Awns material (3) imitates the direction of growth arrangement of the awn of wheat on the wheat head on axis body (2), imitates the barb structure of the natural awn of wheat.
3. the bionical combination magnetic of the awn of wheat draws fast forward nose nutrient canal of intestine according to claim 1, which is characterized in that the imitative wheat
Awns material (3) is made of medical macromolecular materials such as polyurethane, polyester fiber, degradation materials (PGA/PLGA).
4. according to claim 1 or the 3 bionical combination magnetic of the awn of wheat draw fast forward nose nutrient canal of intestine, which is characterized in that described
2.5~the 3.5m of length range of imitative awn of wheat material (3), gathers tail end 3~4cm of diameter range, tip diameter 0.5mm, and tail end is straight
Diameter 1mm.
5. the bionical combination magnetic of the awn of wheat draws fast forward nose nutrient canal of intestine according to claim 1, which is characterized in that the axis body
It (2) is spindle.
6. according to claim 1 or the 5 bionical combination magnetic of the awn of wheat draw fast forward nose nutrient canal of intestine, which is characterized in that described
Axis body (2) is hollow inflatable structure, and the nutrition tube body (4) includes the fluid injection nutrient canal (6) being linked together side by side
Open with the head end of gas injection conduit (5), fluid injection nutrient canal (6), axis body (2) is connected to the head end of gas injection conduit (5), and inflates swollen
It is located at the inside of gas injection conduit (5) head end before swollen, axis body (2) bulging gas injection conduit (5) is made by gas injection conduit (5) inflation,
Cross-sectional area after axis body (2) inflation is greater than the cross-sectional area of nutrition tube body (4).
7. the bionical combination magnetic of the awn of wheat draws fast forward nose nutrient canal of intestine according to claim 6, which is characterized in that the gas injection
Conduit (5) head end is cased with abdomen internal magnetic ring (9).
8. according to claim 1 or the 5 bionical combination magnetic of the awn of wheat draw fast forward nose nutrient canal of intestine, which is characterized in that described
Have outer cover (10) outside imitative awn of wheat drawing head (1), axis body (2) and imitative awn of wheat material (3) are coated in, nutrition tube body (4) leads to
Cross its head end there are aperture (12) connect with one end of the connector (11) of Curved pipeline configuration, connector (11) it is another
End is protruded into outer cover (10) to be connect with the tail end of axis body (2).
9. the bionical combination magnetic of the awn of wheat draws fast forward nose nutrient canal of intestine according to claim 8, which is characterized in that the connection
Abdomen internal magnetic ring (9) are cased on body (11).
10. the bionical combination magnetic of the awn of wheat draws fast forward nose nutrient canal of intestine according to claim 8, which is characterized in that described outer
Cover (10) is made of material diffluent in gastric juice, and the connector (11) is made of material degradable in vivo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810389364.1A CN110403826A (en) | 2018-04-27 | 2018-04-27 | A kind of bionical combination magnetic traction fast forward nose nutrient canal of intestine of the awn of wheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810389364.1A CN110403826A (en) | 2018-04-27 | 2018-04-27 | A kind of bionical combination magnetic traction fast forward nose nutrient canal of intestine of the awn of wheat |
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| Publication Number | Publication Date |
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| CN110403826A true CN110403826A (en) | 2019-11-05 |
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ID=68345994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810389364.1A Pending CN110403826A (en) | 2018-04-27 | 2018-04-27 | A kind of bionical combination magnetic traction fast forward nose nutrient canal of intestine of the awn of wheat |
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| CN (1) | CN110403826A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111195206A (en) * | 2020-03-02 | 2020-05-26 | 西安交通大学医学院第一附属医院 | Jejunum nutrition device based on magnetic drive technology |
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| CN2643884Y (en) * | 2003-08-14 | 2004-09-29 | 徐鹏远 | Self-propelled stomach and intestine tube |
| CN205759116U (en) * | 2016-03-31 | 2016-12-07 | 滕智勇 | A kind of multi-cavity stomach tube |
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2018
- 2018-04-27 CN CN201810389364.1A patent/CN110403826A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2643884Y (en) * | 2003-08-14 | 2004-09-29 | 徐鹏远 | Self-propelled stomach and intestine tube |
| CN205759116U (en) * | 2016-03-31 | 2016-12-07 | 滕智勇 | A kind of multi-cavity stomach tube |
Non-Patent Citations (1)
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| 李哲等: "植物吸湿芒的结构及其运动的力学机制综述", 《应用力学学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111195206A (en) * | 2020-03-02 | 2020-05-26 | 西安交通大学医学院第一附属医院 | Jejunum nutrition device based on magnetic drive technology |
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Effective date of registration: 20220311 Address after: 518066 1201, building a, phase I, Qianhai economic and Trade Center, China Merchants Group, No. 151, Zimao West Street, Nanshan street, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong Province Applicant after: Chonghao Technology Co.,Ltd. Address before: 710061 No. 277, Yanta West Road, Shaanxi, Xi'an Applicant before: THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XI'AN JIAOTONG University |
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Application publication date: 20191105 |