CN110559191A - nasal gastrointestinal tube - Google Patents
nasal gastrointestinal tube Download PDFInfo
- Publication number
- CN110559191A CN110559191A CN201910952994.XA CN201910952994A CN110559191A CN 110559191 A CN110559191 A CN 110559191A CN 201910952994 A CN201910952994 A CN 201910952994A CN 110559191 A CN110559191 A CN 110559191A
- Authority
- CN
- China
- Prior art keywords
- opening
- liquid suction
- tube
- suction port
- elastic body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002496 gastric effect Effects 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 62
- 210000002784 stomach Anatomy 0.000 claims abstract description 18
- 210000000936 intestine Anatomy 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 12
- 238000012986 modification Methods 0.000 description 12
- 229920001971 elastomer Polymers 0.000 description 5
- 239000000806 elastomer Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 1
- 210000004051 gastric juice Anatomy 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 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
- A61J15/0007—Nasal or oral feeding-tubes, e.g. tube entering body through nose or mouth inserted by using a guide-wire
-
- 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
- A61J15/0015—Gastrostomy feeding-tubes
-
- 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
Landscapes
- 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)
- Gastroenterology & Hepatology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- External Artificial Organs (AREA)
Abstract
The invention belongs to the technical field of medical instruments, and particularly relates to a nasogastric tube. Aiming at the defect that the suction groove of the existing nasal gastrointestinal tube is easy to block, the nasal gastrointestinal tube is provided to ensure the smoothness of the suction channel. In order to achieve the purpose, the invention adopts the following technical scheme: a naso-gastrointestinal tube comprising: the opening and closing piece is arranged at the inner end part of the guide pipe and is provided with a streamline front end part, the front end part is provided with an openable end liquid suction port, and the end liquid suction port is communicated with the liquid suction channel; the elastic body is fixedly connected with the conduit and the opening and closing part respectively, the elastic body, the conduit and the opening and closing part form a pressure chamber, and the pressure chamber is communicated with the pressure channel; when pressure is applied to the pressure channel, the elastic body expands and opens the end liquid suction port of the opening and closing member. The nose gastrointestinal tube has the beneficial effects that: the opening and closing piece is not easy to be adsorbed on the inner wall of the intestines and stomach, and the end liquid suction port of the opening and closing piece is not easy to be blocked.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a nasogastric tube.
Background
The stomach tube, namely the nasogastric tube, is mainly used for extracting gastric juice and also can be used for injecting liquid into the stomach to provide necessary food and nutrition for a patient. The existing stomach tube generally only has one main pipeline, and a suction groove is formed in the side face, close to the inner end, of the main pipeline. In actual use, the gastric tube often adsorbs to the inner wall of the stomach, resulting in the suction groove being reduced or even blocked, affecting suction or the supply of nutrient solution. Similar problems exist with existing naso-intestinal tubes.
Disclosure of Invention
aiming at the defect that the suction groove of the existing nasogastric-intestinal tube is easy to block, the invention provides the nasogastric-intestinal tube to ensure the smoothness of a suction channel.
in order to achieve the purpose, the invention adopts the following technical scheme: a naso-gastrointestinal tube comprising:
A catheter having flexibility, in which a suction channel for sucking liquid from the intestines and stomach and a pressure channel are formed, the suction channel and the pressure channel being isolated from each other;
the opening and closing piece is arranged at the inner end part of the guide pipe, the opening and closing piece is provided with a streamline front end part, the front end part is provided with an openable end liquid suction port, and the end liquid suction port is communicated with the liquid suction channel;
The elastic body is respectively fixedly connected with the conduit and the opening and closing part in a sealing way, the elastic body, the conduit and the opening and closing part form a pressure chamber, and the pressure chamber is communicated with the pressure channel;
When pressure is applied to the pressure channel, the elastic body expands and opens the end liquid suction port of the opening and closing member.
according to the gastrointestinal tube, the inner end of the catheter is provided with the opening and closing part, and the opening and closing part is provided with the streamline front end part, so that the nasogastric tube can easily enter intestines and stomach; the opening and closing part is provided with an end liquid suction port, the guide pipe and the opening and closing part are externally provided with elastic bodies, the guide pipe and the opening and closing part form a pressure chamber, a pressure channel communicated with the pressure chamber is arranged in the guide pipe, and when the pressure channel is pressurized, the elastic bodies expand and open the end liquid suction port of the opening and closing part, so that liquid suction and other operations can be carried out; because the inner end of the catheter is usually suspended, the opening and closing piece is not easy to adsorb on the inner wall of the intestines and stomach, and the end liquid suction port of the opening and closing piece is easy to block.
As an improvement, the front end part is provided with two petals and forms the end liquid suction port. In other aspects, the front end portion may have three or four lobes.
As an improvement, the elastic body is provided with a notch, and the notch is arranged corresponding to the joint of the two flap bodies.
As a refinement, the elastomer is located on the conduit section for a length greater than the length of the shutter section.
as a refinement, in some aspects, the shutter is integrally formed with the catheter.
As a modification, in some cases, the shutter has a projection inserted into the suction passage, and the projection is sealingly connected to the suction passage.
As a refinement, in some versions, the elastomer is bonded to the conduit and the shutter, respectively.
as an improvement, the wall thickness of the front end portion is uniform.
As an improvement, the side wall of the conduit is provided with a side liquid suction port communicated with the liquid suction channel.
The nose gastrointestinal tube has the beneficial effects that: the inner end of the catheter is provided with an opening and closing part, and the opening and closing part is provided with a streamlined front end part, so that the nasogastric-intestinal tube can easily enter intestines and stomach; the opening and closing part is provided with an end liquid suction port, the guide pipe and the opening and closing part are externally provided with elastic bodies, the guide pipe and the opening and closing part form a pressure chamber, a pressure channel communicated with the pressure chamber is arranged in the guide pipe, and when the pressure channel is pressurized, the elastic bodies expand and open the end liquid suction port of the opening and closing part, so that liquid suction and other operations can be carried out; because the inner end of the catheter is usually suspended, the opening and closing piece is not easy to adsorb on the inner wall of the intestines and stomach, and the end liquid suction port of the opening and closing piece is not easy to block.
Drawings
FIG. 1 is a front view of a nasogastric tube according to a first embodiment of the present invention.
Fig. 2 is a perspective view of a nasogastric tube according to a first embodiment of the present invention.
fig. 3 is an exploded view of the nasogastric tube according to the first embodiment of the present invention.
FIG. 4 is a perspective cross-sectional view of a nasogastric tube according to a first embodiment of the present invention.
FIG. 5 is a front view of the opening of the closure of the nasogastric tube of the first embodiment of the present invention when opened.
Fig. 6 is a schematic structural view of a catheter of a nasogastric tube according to a first embodiment of the present invention.
FIG. 7 is a schematic structural view of the nasogastric tube closure of the first embodiment of the present invention.
Fig. 8 is a schematic structural view of the elastic body of the nasogastric tube according to the first embodiment of the present invention.
Fig. 9 is a schematic structural view of a catheter of a nasogastric tube according to a first embodiment of the present invention.
In the figure, 1, a guide pipe, 11, a liquid suction channel, 12, a pressure channel, 13 and a side liquid suction port;
2. An opening/closing member 21, a front end portion 211, an end liquid suction port 22, and a projection;
3. Elastomer, 31, notch;
4. And a support body.
Detailed Description
the technical solutions of the embodiments of the present invention will be explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and are not all embodiments. Other embodiments obtained by persons skilled in the art without any inventive work based on the embodiments in the embodiment belong to the protection scope of the invention.
Referring to fig. 1 to 9, the nasogastric tube of the present invention comprises:
a catheter having flexibility, in which a suction channel for sucking liquid from the intestines and stomach and a pressure channel are formed, the suction channel and the pressure channel being isolated from each other;
The opening and closing piece is arranged at the inner end part of the guide pipe, the opening and closing piece is provided with a streamline front end part, the front end part is provided with an openable end liquid suction port, and the end liquid suction port is communicated with the liquid suction channel;
the elastic body is fixedly connected with the conduit and the opening and closing part respectively, the elastic body, the conduit and the opening and closing part form a pressure chamber, and the pressure chamber is communicated with the pressure channel;
When pressure is applied to the pressure channel, the elastic body expands and opens the end liquid suction port of the opening and closing member.
According to the gastrointestinal tube, the inner end of the catheter is provided with the opening and closing part, and the opening and closing part is provided with the streamline front end part, so that the nasogastric tube can easily enter intestines and stomach; the opening and closing part is provided with an end liquid suction port, the guide pipe and the opening and closing part are externally provided with elastic bodies, the guide pipe and the opening and closing part form a pressure chamber, a pressure channel communicated with the pressure chamber is arranged in the guide pipe, and when the pressure channel is pressurized, the elastic bodies expand and open the end liquid suction port of the opening and closing part, so that liquid suction and other operations can be carried out; because the inner end of the catheter is usually suspended, the opening and closing piece is not easy to adsorb on the inner wall of the intestines and stomach, and the end liquid suction port of the opening and closing piece is easy to block.
Example one
Referring to fig. 1 to 8, a nasogastric tube according to a first embodiment of the present invention includes:
a catheter 1, wherein the catheter 1 has flexibility, a suction channel 11 for sucking liquid from the intestines and stomach and a pressure channel 12 are formed in the catheter 1, and the suction channel 11 and the pressure channel 12 are isolated from each other;
The opening and closing piece 2 is arranged at the inner end part of the guide pipe 1, the opening and closing piece 2 is provided with a streamline front end part 21, the front end part 21 is provided with an openable and closable end liquid suction port 211, and the end liquid suction port 211 is communicated with the liquid suction channel 11;
The elastic body 3 is fixedly connected with the conduit 1 and the opening and closing part 2 respectively, the elastic body 3, the conduit 1 and the opening and closing part 2 form a pressure chamber, and the pressure chamber is communicated with the pressure channel 12;
When pressure is applied to the pressure channel 12, the elastic body 3 expands and opens the end liquid suction port 211 of the opening and closing member 2.
As a modification, the nasogastric tube includes a support body 4 insertable into the liquid suction passage 11, the support body 4 may assist the nasogastric tube to be inserted into the intestines and stomach, and the support body 4 may be pulled out when the nasogastric tube reaches a desired position.
As a modification, the front end portion 21 has two flaps and forms the end liquid suction port 211. In other aspects, the front end 21 may have three or four lobes.
As a modification, the elastic body 3 has a notch 31, and the notch 31 is disposed corresponding to the joint of the two flap bodies.
As a modification, the elastomer 3 is located on the section of the catheter 1 for a longer length than on the section of the shutter 2.
As a modification, in some cases, the shutter 2 is integrally formed with the catheter 1.
As a modification, in some aspects, the shutter 2 has a protrusion 22, the protrusion 22 is inserted into the liquid suction channel 11, and the protrusion 22 is connected to the liquid suction channel 11 in a sealing manner.
As a modification, in some cases, the elastic body 3 is bonded to the catheter 1 and the shutter 2, respectively.
as a modification, the wall thickness of the tip portion 21 is uniform.
As a modification, the side wall of the catheter 1 is provided with a side liquid suction port 13 communicated with the liquid suction channel 11.
The operation principle of the nasal gastrointestinal tube of the first embodiment of the invention is as follows: when pressure is injected into the pressure channel 12, the elastic body 3 expands, and since the length of the elastic body 3 in the section of the shutter 2 is smaller than that in the section of the catheter 1, the size of the lower half is larger than that of the upper half after the elastic body 3 expands, an outward force is applied to the shutter 2, and the end liquid suction port 211 of the shutter 2 is opened.
The nose gastrointestinal tube of the first embodiment of the invention has the following beneficial effects: the inner end of the catheter 1 is provided with the opening and closing part 2, and the opening and closing part 2 is provided with a streamline front end part 21, so that the naso-gastric tube can easily enter intestines and stomach; the opening and closing member 2 is provided with an end liquid suction port 211, the outside of the conduit 1 and the opening and closing member 2 is provided with an elastic body 3, the conduit 1 and the opening and closing member 2 form a pressure chamber, the conduit 1 is provided with a pressure channel 12 communicated with the pressure chamber, when the pressure channel 12 is pressurized, the elastic body 3 expands and opens the end liquid suction port 211 of the opening and closing member 2, and the operation of liquid suction and the like can be carried out; since the inner end of the catheter 1 is usually suspended, the opening and closing member 2 is not easily adsorbed to the inner wall of the intestine and stomach, and the end liquid suction port 211 of the opening and closing member 2 is easily blocked.
Example two
The difference between the second embodiment and the first embodiment is the number of pressure channels.
Referring to fig. 9, in the second embodiment, the catheter 1 has two pressure channels 12, the suction channel 11 of the catheter 1 is located at the center of the catheter 1, and the two pressure channels 12 are symmetrical to the suction channel 11. The outlet of the pressure channel 12 is perpendicular to the notch 31 of the shutter 2, and the gas or liquid flowing out of the pressure channel 12 is perpendicular to the notch 31 of the shutter 2, so that the end liquid suction port 211 of the shutter 2 is opened more quickly.
Other structures and effects of the second embodiment are the same as those of the first embodiment, and are not described herein.
EXAMPLE III
the third embodiment is different from the first embodiment in the elastomer.
In the third embodiment, the upper end of the elastic body is bent, the outer surface of the elastic body is bonded to the shutter, and the inner surface of the elastic body is bonded to the shutter, so that the assembly is facilitated.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto but is intended to cover various modifications and changes, including but not limited to the details shown in the drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the following claims.
Claims (10)
1. the nose gastrointestinal tube is characterized in that: the naso-gastrointestinal tube comprises:
A catheter (1), wherein the catheter (1) has flexibility, a suction channel (11) for sucking liquid from the intestines and stomach and a pressure channel (12) are formed in the catheter (1), and the suction channel (11) and the pressure channel (12) are isolated from each other;
The opening and closing piece (2) is arranged at the inner end part of the guide pipe (1), the opening and closing piece (2) is provided with a streamline front end part (21), the front end part (21) is provided with an openable and closable end liquid suction port (211), and the end liquid suction port (211) is communicated with the liquid suction channel (11);
The elastic body (3) is respectively and fixedly connected with the conduit (1) and the opening and closing part (2) in a sealing way, the elastic body (3), the conduit (1) and the opening and closing part (2) form a pressure chamber, and the pressure chamber is communicated with the pressure channel (12);
When pressure is applied to the pressure channel (12), the elastic body (3) expands and opens the end liquid suction port (211) of the opening and closing member (2).
2. The nasogastrointestinal tube of claim 1, wherein: the front end portion (21) has two flaps and forms the end liquid suction port (211).
3. the nasogastrointestinal tube of claim 2, wherein: the elastic body (3) is provided with a notch (31), and the notch (31) is arranged corresponding to the joint of the two valve bodies.
4. The nasogastrointestinal tube of claim 1, wherein: the length of the elastic body (3) at the section of the conduit (1) is larger than that of the section of the opening and closing piece (2).
5. The nasogastrointestinal tube of claim 1, wherein: the opening and closing piece (2) and the conduit (1) are integrally formed.
6. the nasogastrointestinal tube of claim 1, wherein: the shutter (2) has a projection (22), the projection (22) is inserted into the liquid suction passage (11), and the projection (22) is connected to the liquid suction passage (11) in a sealing manner.
7. The nasogastrointestinal tube of claim 1, wherein: the elastic body (3) is respectively bonded with the conduit (1) and the opening and closing member (2).
8. The nasogastrointestinal tube of claim 1, wherein: the front end portion (21) of the opening/closing member (2) has elasticity.
9. The nasogastrointestinal tube of claim 1, wherein: the wall thickness of the front end portion (21) is uniform.
10. The nasogastrointestinal tube of claim 1, wherein: the side wall of the conduit (1) is provided with a side liquid suction port (13) communicated with the liquid suction channel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910952994.XA CN110559191A (en) | 2019-10-09 | 2019-10-09 | nasal gastrointestinal tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910952994.XA CN110559191A (en) | 2019-10-09 | 2019-10-09 | nasal gastrointestinal tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110559191A true CN110559191A (en) | 2019-12-13 |
Family
ID=68784081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910952994.XA Pending CN110559191A (en) | 2019-10-09 | 2019-10-09 | nasal gastrointestinal tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110559191A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07308388A (en) * | 1994-05-18 | 1995-11-28 | Nippon Zeon Co Ltd | Ring-shaped balloon |
| JP2002153564A (en) * | 2000-11-22 | 2002-05-28 | Shigenobu Takane | Rectum catheter |
| US20040082909A1 (en) * | 2002-10-28 | 2004-04-29 | Benedict Shia | Automatic valve |
| US20090171278A1 (en) * | 2005-10-14 | 2009-07-02 | Endocross Ltd. | Balloon catheter system for treating vascular occlusions |
| CN201337757Y (en) * | 2009-01-04 | 2009-11-04 | 陈树科 | Combined stomach tube |
| US20120215166A1 (en) * | 2011-01-25 | 2012-08-23 | Gerard Barki | Balloon Catheter With Metal Shaft |
| CN103357105A (en) * | 2013-07-24 | 2013-10-23 | 王亮 | Limited contact type side saccule double-hole catheter |
| CN205268627U (en) * | 2015-12-09 | 2016-06-01 | 杭州市富阳区第一人民医院 | Orifice of stomach shutoff formula nose stomach tube |
| CN108525028A (en) * | 2018-04-20 | 2018-09-14 | 河南科技大学第附属医院 | A kind of ICU nursing quick drainage device |
| CN109303967A (en) * | 2018-11-14 | 2019-02-05 | 上海鹏冠生物医药科技有限公司 | A kind of open and close type stomach tube and its application method |
| CN208838608U (en) * | 2017-12-12 | 2019-05-10 | 天津市医好用精密塑胶科技有限公司 | Plug for three chamber stomach tube |
| CN211485751U (en) * | 2019-10-09 | 2020-09-15 | 陈一奇 | Nasal gastrointestinal tube |
| US20200297585A1 (en) * | 2018-12-28 | 2020-09-24 | Sainath Intellectual Properties, Llc | Catheter with balloon valve |
-
2019
- 2019-10-09 CN CN201910952994.XA patent/CN110559191A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07308388A (en) * | 1994-05-18 | 1995-11-28 | Nippon Zeon Co Ltd | Ring-shaped balloon |
| JP2002153564A (en) * | 2000-11-22 | 2002-05-28 | Shigenobu Takane | Rectum catheter |
| US20040082909A1 (en) * | 2002-10-28 | 2004-04-29 | Benedict Shia | Automatic valve |
| US20090171278A1 (en) * | 2005-10-14 | 2009-07-02 | Endocross Ltd. | Balloon catheter system for treating vascular occlusions |
| CN201337757Y (en) * | 2009-01-04 | 2009-11-04 | 陈树科 | Combined stomach tube |
| US20120215166A1 (en) * | 2011-01-25 | 2012-08-23 | Gerard Barki | Balloon Catheter With Metal Shaft |
| CN103357105A (en) * | 2013-07-24 | 2013-10-23 | 王亮 | Limited contact type side saccule double-hole catheter |
| CN205268627U (en) * | 2015-12-09 | 2016-06-01 | 杭州市富阳区第一人民医院 | Orifice of stomach shutoff formula nose stomach tube |
| CN208838608U (en) * | 2017-12-12 | 2019-05-10 | 天津市医好用精密塑胶科技有限公司 | Plug for three chamber stomach tube |
| CN108525028A (en) * | 2018-04-20 | 2018-09-14 | 河南科技大学第附属医院 | A kind of ICU nursing quick drainage device |
| CN109303967A (en) * | 2018-11-14 | 2019-02-05 | 上海鹏冠生物医药科技有限公司 | A kind of open and close type stomach tube and its application method |
| US20200297585A1 (en) * | 2018-12-28 | 2020-09-24 | Sainath Intellectual Properties, Llc | Catheter with balloon valve |
| CN211485751U (en) * | 2019-10-09 | 2020-09-15 | 陈一奇 | Nasal gastrointestinal tube |
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