CN203370130U - Magnetic guiding stomach tube - Google Patents
Magnetic guiding stomach tube Download PDFInfo
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- CN203370130U CN203370130U CN201320424148.9U CN201320424148U CN203370130U CN 203370130 U CN203370130 U CN 203370130U CN 201320424148 U CN201320424148 U CN 201320424148U CN 203370130 U CN203370130 U CN 203370130U
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- magnetic
- stomach tube
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- magnet
- tube
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Abstract
The utility model discloses a magnetic guiding stomach tube which comprises a tube body. The tube body is divided into an inserting end and a body-outside end according to using state, a stomach tube primary cavity and a magnetic guiding auxiliary cavity are arranged in the tube body, a plurality of magnets and a magnetic reed switch are arranged in the magnetic guiding auxiliary cavity of the inserting end, an alarming light controlled by the magnetic reed switch is arranged in the magnetic guiding auxiliary cavity of the body-outside end, a side hole is formed in the stomach tube primary cavity of the inserting end, and the inserting end is also provided with guiding heads for sealing the stomach tube primary cavity and the magnetic guiding auxiliary cavity. According to the magnetic guiding stomach tube, due to the fact that the magnets outside the body of a patient and the magnets inside the tube are matched with each other, the inserting position of the stomach tube can be guided and positioned, the time of feeding the tube can be shortened, the pain of the patient can be relieved, and the magnetic guiding stomach tube has the advantages of being convenient to operate, good in flexibility and strong in practicality.
Description
Technical field
This utility model relates to clinical treatment technique with the apparatus field, relates in particular to a kind of magnetic guiding stomach tube.
Background technology
Stomach tube (nasogastric tube), claim again nasogastric tube or nasal feeding tube feeding, and stomach tube is to be inserted by nostril, via pharyngeal, by esophagus, arrives stomach, is mostly to be used for taking out gastric juice, also can, with filling liquid in the dealing stomach, offer the necessary dietary changes of patient.
Set patient posture during intubate, clean and lubricated nasal cavity, be 60 ° angles insertions to layback by stomach tube and nostril by patient's head, continues to be inserted into nasopharynx part; Stomach tube is inserted to 15CM(can be pharyngeal) time, along stomach tube outer wall instillation l～2ML sterilizing paraffin oil, patient's head is held up, make its lower jaw be close to thoracic wall, to increase the bottleneck throat radian, be convenient to stomach tube and slide along rear wall, enter esophagus by bottleneck throat smoothly, now enjoin the patient while swallowing, stomach tube slowly to be inserted to after Len req fixing.
The a report that misplaces problem about all stomach esophaguses in respiratory tract in U.S. nutrition university magazine---because carelessness causes stomach tube to enter trachea and the unsettled event of end rises to 15% from 0.3%.Body misplaces and causes that respiratory tract is invaded and introduce various chemical substances and enter pulmonary and pleura space, can cause the mortality problem.Recently, a lot of hospitals all confirm the stomach tube implantation site with X ray, in the stomach tube insertion process, often to suspend insertion process and allow X-ray machine turn round to confirm the position of intubate, time and the expense of time stomach tube have been increased like this, efficiency also can be very low simultaneously, especially descends duodenum vessel and jejunal nutrient canal, and problem the more especially.
The utility model content
For overcoming the deficiencies in the prior art, this utility model provides a kind of convenient operation, the strong magnetic guiding stomach tube of motility, by cooperatively interacting of external magnet and pipe internal magnet, to determine the on position of stomach tube, reduce time and the expense of lower pipe, raise the efficiency.
A kind of magnetic guiding stomach tube, comprise body, described body is divided into insertion end and external end according to using state, there is stomach tube master tract and magnetic in described body and guide auxiliary tract, the magnetic that is positioned at described insertion end guides auxiliary tract to be provided with a plurality of Magnet and a magnetic reed switch, the magnetic of described external end guides in auxiliary tract and is provided with the warning lamp that is controlled by described magnetic reed switch, be positioned on the stomach tube master tract of described insertion end and offer side opening, described insertion end also is provided with the top guide that the described stomach tube master tract of sealing and magnetic guide auxiliary tract.
Body comprises insertion end and external end, and insertion end is for to enter the end in body through oral cavity or nasal cavity, and external end is an end that rests on human external.Cavity in body is divided into to stomach tube master tract with dividing plate and magnetic guides auxiliary tract, stomach tube master tract is for sucking-off or the injection of liquid, gas, magnetic guides auxiliary tract for locating the position of body in human body, and general stomach tube master tract cross section is greater than the cross section that magnetic guides auxiliary tract.
Magnetic guides in auxiliary tract and is provided with Magnet and magnetic reed switch, and wherein, Magnet coordinates with external magnet, and for guiding the insertion of stomach tube, magnetic reed switch is subject to the effect of external magnetic field, lights warning lamp, to determine the position of stomach tube insertion end.Side opening on stomach tube master tract is for the exchange of stomach tube master tract and substance in vivo, and top guide is used for sealing stomach tube master tract and magnetic guides auxiliary tract, prevents that Magnet from guiding in auxiliary tract and skidding off from magnetic.
As preferably, described Magnet is 2～6 of along described magnetic, guiding auxiliary tract to arrange successively.
The quantity of Magnet is more, have the body portion that controlled by external magnet longer, but cost is higher, the structure relative complex, and therefore, the quantity of Magnet is carried out option and installment as the case may be, is generally 2～6.
As preferably, described Magnet is cylindrical, and an end face of Magnet is sphere.
Along with packing into of Magnet, limited the crooked motility of body, at utmost reducing the impact on the body bending, an end face of Magnet is made as to sphere, and the sphere of all Magnet simultaneously, also is convenient to distinguish the two poles of the earth of Magnet towards same direction.
As preferably, the length of single Magnet is 0.5～1.5cm.
The length of single Magnet also can affect the flexibility of body, and the length of all Magnet can be consistent, also can be set to according to practical situation different in sizely, and the length of each Magnet should be controlled at 0.5～1.5cm usually.
As preferably, between described Magnet and magnetic reed switch, be provided with collets.
Collets, for guiding Magnet and magnetic reed switch in auxiliary tract to separate magnetic, weaken the impact of magnetic field of magnets on magnetic reed switch, prevent the disorder of signal.Simultaneously, also should select suitable Magnet, at utmost to reduce the impact of body Magnet on magnetic reed switch.
As preferably, described magnetic reed switch outer cover has a stainless iron sleeve pipe.
The stainless iron sleeve pipe is for shielding external disturbance, weakens the impact of external magnetic field on magnetic reed switch.
As preferably, the magnetic of described external end guides in auxiliary tract and is provided with the connector be connected with described magnetic reed switch by wire, and described warning lamp is plugged on connector; Described wire is enamel-covered wire.
Warning lamp generally adopts the LED lamp, and warning lamp accesses connector in the mode of pegging graft, and facilitates the replacing of warning lamp.
As preferably, in the body tube wall between described external end and insertion end, be provided with reinforced support; Described reinforced support is the spring be embedded in the body tube wall.
For preventing that in the stomach tube body, organ or tissue flattens, be provided with the reinforced support be inlaid in the body tube wall, to guarantee the normal circulation of material in stomach tube; In the technical program, adopt spring as reinforced support, can reduce the impact on the crooked motility of stomach tube.
As preferably, described external end is connected with the capping of the described stomach tube master tract of sealing.
This utility model, by external magnet and pipe the cooperatively interacting of internal magnet, with the on position of guiding and location stomach tube, shortens the time of lower pipe, alleviates patient's misery, has convenient operation, characteristics that motility is good and practical.
The accompanying drawing explanation
The structural representation that Fig. 1 is this utility model magnetic guiding stomach tube.
The structural representation that Fig. 2 is magnetic guiding stomach tube insertion end in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, this utility model magnetic guiding stomach tube is described in further detail.
As illustrated in fig. 1 and 2, a kind of magnetic guiding stomach tube, comprise body, and body is divided into insertion end 1 and external end 2 according to using state, have stomach tube master tract 3 and magnetic in body and guide auxiliary tract 4, body insertion end 1 also is provided with the top guide 6 that sealing stomach tube master's tract 3 and magnetic guide auxiliary tract 4.In the insertion end 1 of body, magnetic guides in auxiliary tract 4 and is provided with a plurality of Magnet 7 and a magnetic reed switch 9, offers several side openings 10 on stomach tube master tract 3.At the external end 2 of body, magnetic guides in auxiliary tract 4 and is provided with the warning lamp 13 that is controlled by magnetic reed switch 9, and stomach tube master tract 3 is externally connected with the capping 5 of sealing stomach tube master tract 3.
Magnet 7 is cylindrical, and an end face of Magnet 7 is sphere, and the length of each Magnet 7 is 1cm, and quantity is 5 altogether, and Magnet 7 is by coordinating with external magnet, for guiding the insertion of stomach tube.
Magnetic reed switch 9 is wrapped in stainless iron sleeve pipe 14, and it is subject to the effect of external magnetic field, lights warning lamp 13, with the position that means that body inserts, and the general LED lamp that adopts of warning lamp 13.Magnetic reed switch 9 is by wire 11(enamel-covered wire) be connected to magnetic and guide the connector 12 in auxiliary tract 4, warning lamp 13 is plugged on this connector 12, is convenient to change.
Be provided with collets 8 between Magnet 7 and magnetic reed switch 9, these collets 8 are for magnetic being guided Magnet 7 and magnetic reed switch 9 in auxiliary tract 4 separate, and weaken the impact of Magnet 7 magnetic fields on magnetic reed switch 9.
Be provided with reinforced support in the middle part tube wall of body, preferred reinforced support is the spring be embedded in the body tube wall, can prevent that in the stomach tube body, organ or tissue flattens, and make body have crooked motility preferably.
The outer surface of whole body is provided with the length scale value, and is provided with a plurality of gauge points, directly embodies the length in the stomach tube insertosome.
Stomach tube of the present utility model is disposable for clinical emergency, critical illness people, direct oral cavity, nasal cavity are used as perfusion solution or are rinsed also sucking liquid, gas etc. in stomach tube or jejunum, and wherein magnetic guide can guide stomach tube to enter jejunum by duodenum by external strong magnetic field.
Its use procedure is:
1, should be with lubricator in a nostril.Then insert the nasopharynx of magnetic guiding stomach tube in a back, then enter esophagus; When insertion end enters into the esophagus middle part, when the external end of stomach tube master tract is inserted to the water surface, have bubble in water and occur, prove that stomach tube correctly is placed in esophagus.
2, the head that uses external strong magnet, in the bottom of xiphoid-process cartilage, continues to advance stomach tube, until the LED warning lamp lights, confirms successfully to capture the stomach tube position.Drive at leisure magnetic guiding stomach tube, continue epigastrium moving body external magnet (in approaching gallbladder area, line target is towards vertebrae) to the right simultaneously.
3, advance magnetic guiding stomach tube, until second gauge point appears at nostril.Warning lamp should light.Shake and have one minute at least gently at identical position holder outer magnet, to guarantee to pass through sphincter of pylorus.
4, continue to promote body by nose, until meet obstructions.Can check the pH value of aspirate in this position.Pyloric cap is normally empty.Imbibition can obtain in the following manner, injects the tap water of 5cc, then sucking-off pyloric cap cleanout fluid.Checking pH value with the pH reagent paper, should be neutral, and pH value is 7, and color is jade-green.
5, external magnet is moved on to Right Lower Abdomen suction catheter tip towards the end of duodenum second portion.Warning lamp is held open.Imbibition should comprise bile pH=8(pH reagent paper and become bottle-green color), stomach tube successfully passes through duodenal second portion.
6, magnetic guiding stomach tube can enter duodenal the 3rd, the 4th part by nose, and mobile external magnet is towards the left lower quadrant district.Warning lamp should keep " opening ".Imbibition should be bile, with pH value 7.5～8.
7, further insert stomach tube to jejunum, alkaline bile is diluted, pH value usually=7, but the color of aspirate is the bile color.
The foregoing is only better implementation example of the present utility model, be not limited to this utility model, all within this utility model spirit and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a magnetic guides stomach tube, comprise body, described body is divided into insertion end (1) and external end (2) according to using state, it is characterized in that, there is stomach tube master tract (3) and magnetic in described body and guide auxiliary tract (4), the magnetic that is positioned at described insertion end (1) guides auxiliary tract (4) to be provided with a plurality of Magnet (7) and a magnetic reed switch (9), the magnetic of described external end (2) guides in auxiliary tract (4) and is provided with the warning lamp (13) that is controlled by described magnetic reed switch (9), be positioned on the stomach tube master tract (3) of described insertion end (1) and offer side opening (10), described insertion end (1) also is provided with the top guide (6) that sealing described stomach tube master tract (3) and magnetic guide auxiliary tract (4).
2. magnetic guiding stomach tube as claimed in claim 1, is characterized in that, described Magnet (7) is 2～6 that along described magnetic, guide auxiliary tract (4) to arrange successively.
3. magnetic guiding stomach tube as claimed in claim 2, is characterized in that, described Magnet (7) is cylindrical, and an end face of Magnet (7) is sphere.
4. magnetic guiding stomach tube as claimed in claim 3, is characterized in that, the length of single Magnet (7) is 0.5～1.5cm.
5. magnetic guiding stomach tube as claimed in claim 4, is characterized in that, between described Magnet (7) and magnetic reed switch (9), is provided with collets (8).
6. magnetic guiding stomach tube as claimed in claim 5, is characterized in that, described magnetic reed switch (9) outer cover has a stainless iron sleeve pipe (14).
7. magnetic as claimed in claim 6 guides stomach tube, it is characterized in that, the magnetic of described external end (2) guides in auxiliary tract (4) and is provided with the plug connector (12) be connected with described magnetic reed switch (9) by wire (11), and described warning lamp (13) is inserted on connector (12).
8. magnetic guiding stomach tube as claimed in claim 7, is characterized in that, in the body tube wall between described external end and insertion end, is provided with reinforced support.
9. magnetic guiding stomach tube as claimed in claim 8, is characterized in that, described reinforced support is the spring be embedded in the body tube wall.
10. magnetic guiding stomach tube as claimed in claim 9, is characterized in that, described external end (2) is connected with the capping (5) of the described stomach tube master tract of sealing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320424148.9U CN203370130U (en) | 2013-07-16 | 2013-07-16 | Magnetic guiding stomach tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320424148.9U CN203370130U (en) | 2013-07-16 | 2013-07-16 | Magnetic guiding stomach tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203370130U true CN203370130U (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320424148.9U Expired - Lifetime CN203370130U (en) | 2013-07-16 | 2013-07-16 | Magnetic guiding stomach tube |
Country Status (1)
| Country | Link |
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| CN (1) | CN203370130U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105168005A (en) * | 2015-09-16 | 2015-12-23 | 曹赞 | Catheter |
| CN105641759A (en) * | 2016-04-07 | 2016-06-08 | 常州达尔文医疗器械科技有限公司 | Magnetic peritoneal drainage tube device |
| CN106618471A (en) * | 2017-02-22 | 2017-05-10 | 梁敏仪 | Fiber peripheral nerve cathetering endoscope |
| CN106691866A (en) * | 2017-02-09 | 2017-05-24 | 北京雅果科技有限公司 | Multifunctional stomach tube and initialization method for pressure detection unit of stomach tube |
| CN108815680A (en) * | 2018-04-17 | 2018-11-16 | 杨延辉 | A kind of laparoscope direct-view is lower to guide stomach tube/jejunal nutrient canal placement location device |
| CN109641113A (en) * | 2016-08-30 | 2019-04-16 | 贝克顿·迪金森公司 | With integrated magnet and magnetic shield, for the cover piece of tissue penetration device |
| CN111135101A (en) * | 2020-01-10 | 2020-05-12 | 广东省人民医院(广东省医学科学院) | Magnetic positioning nasogastric tube assembly |
| CN111588935A (en) * | 2020-05-21 | 2020-08-28 | 青岛大学附属医院 | Gastroenterology gastric lavage device |
| CN113350192A (en) * | 2021-06-24 | 2021-09-07 | 傅晓燕 | Nasogastric tube assembly with positioning function |
-
2013
- 2013-07-16 CN CN201320424148.9U patent/CN203370130U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105168005A (en) * | 2015-09-16 | 2015-12-23 | 曹赞 | Catheter |
| CN105641759A (en) * | 2016-04-07 | 2016-06-08 | 常州达尔文医疗器械科技有限公司 | Magnetic peritoneal drainage tube device |
| CN109641113A (en) * | 2016-08-30 | 2019-04-16 | 贝克顿·迪金森公司 | With integrated magnet and magnetic shield, for the cover piece of tissue penetration device |
| CN109641113B (en) * | 2016-08-30 | 2021-07-20 | 贝克顿·迪金森公司 | Cap for tissue penetrating device with integrated magnet and magnetic shield |
| CN113593809A (en) * | 2016-08-30 | 2021-11-02 | 贝克顿·迪金森公司 | Cap for tissue penetrating device with integrated magnet and magnetic shield |
| CN106691866A (en) * | 2017-02-09 | 2017-05-24 | 北京雅果科技有限公司 | Multifunctional stomach tube and initialization method for pressure detection unit of stomach tube |
| CN106691866B (en) * | 2017-02-09 | 2024-03-08 | 北京雅果科技有限公司 | Initialization method of multifunctional stomach tube and pressure detection unit thereof |
| CN106618471A (en) * | 2017-02-22 | 2017-05-10 | 梁敏仪 | Fiber peripheral nerve cathetering endoscope |
| CN108815680A (en) * | 2018-04-17 | 2018-11-16 | 杨延辉 | A kind of laparoscope direct-view is lower to guide stomach tube/jejunal nutrient canal placement location device |
| CN111135101A (en) * | 2020-01-10 | 2020-05-12 | 广东省人民医院(广东省医学科学院) | Magnetic positioning nasogastric tube assembly |
| CN111588935A (en) * | 2020-05-21 | 2020-08-28 | 青岛大学附属医院 | Gastroenterology gastric lavage device |
| CN113350192A (en) * | 2021-06-24 | 2021-09-07 | 傅晓燕 | Nasogastric tube assembly with positioning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |
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| CX01 | Expiry of patent term |