阅读说明：本技术 一种带有表面麻醉功能的特殊胃管 (Special stomach tube with surface anesthesia function ) 是由 姜逸文 于 2021-01-08 设计创作，主要内容包括：本发明公开了一种带有表面麻醉功能的特殊胃管,包括胃管、局麻药液导管以及注射器,胃管的底部侧面设有胃管侧孔,局麻药液导管包括互相连接的导液段和出液段,导液段一端置于胃管内部,导液段另一端置于按胃管外部、且与注射器连接,出液段设于胃管的内部；局麻药液导管的外径小于胃管的内径,出液段呈螺旋状固定在胃管的内壁上,出液段与胃管相互接触的一面设有若干出液孔,胃管上设有与出液孔相对应的喷液孔,出液孔与喷液孔之间密封,出液孔和喷液孔内的药液与胃管的内部不连通。本发明兼顾了实用性和舒适性,降低胃管在人体内留置时对咽喉部以及鼻咽部的刺激,提高病人舒适度。(The invention discloses a special stomach tube with a surface anesthesia function, which comprises a stomach tube, a local anesthesia liquid medicine conduit and an injector, wherein a stomach tube side hole is formed in the side surface of the bottom of the stomach tube; the outer diameter of the local anesthetic liquid medicine conduit is smaller than the inner diameter of the stomach tube, the liquid outlet section is fixed on the inner wall of the stomach tube in a spiral shape, one surface of the liquid outlet section, which is in mutual contact with the stomach tube, is provided with a plurality of liquid outlet holes, the stomach tube is provided with liquid spraying holes corresponding to the liquid outlet holes, the liquid outlet holes and the liquid spraying holes are sealed, and liquid medicine in the liquid outlet holes and the liquid spraying holes is not communicated with the inside of the stomach tube. The invention takes the practicability and the comfort into consideration, reduces the stimulation to the throat and the nasopharynx when the stomach tube is left in the human body, and improves the comfort of the patient.)

1. The utility model provides a special stomach tube with surface anesthesia function which characterized in that: the gastric tube type local anesthetic liquid medicine catheter comprises a gastric tube (1), a local anesthetic liquid medicine catheter (2) and an injector (3), a gastric tube side hole (4) is formed in the side face of the bottom of the gastric tube (1), the local anesthetic liquid medicine catheter (2) comprises a liquid guiding section (21) and a liquid outlet section (22) which are connected with each other, one end of the liquid guiding section (21) is arranged inside the gastric tube (1), the other end of the liquid guiding section (21) is arranged outside the gastric tube (1) and connected with the injector (3), and the liquid outlet section (22) is arranged inside the gastric tube (1);

the external diameter of local anesthesia liquid medicine pipe (2) is less than the internal diameter of stomach tube (1), it fixes to go out liquid section (22) and be the heliciform on the inner wall of stomach tube (1), go out liquid section (22) with the one side of stomach tube (1) mutual contact is equipped with a plurality of liquid holes (5), be equipped with on stomach tube (1) with go out the corresponding hydrojet hole (6) in liquid hole (5), go out liquid hole (5) with seal between hydrojet hole (6), go out liquid hole (5) with liquid medicine in hydrojet hole (6) with the inside of stomach tube (1) does not communicate.

2. The special gastric tube with surface anesthesia function of claim 1, characterized in that: the external diameter of stomach tube (1) is 6mm, the internal diameter of stomach tube (1) is 4 mm.

3. A special gastric tube with surface anesthesia function according to claim 2, characterized in that: the external diameter of the local anesthetic liquid medicine conduit (2) is 1mm, and the internal diameter of the local anesthetic liquid medicine conduit (2) is 0.5 mm.

4. A special gastric tube with surface anesthesia function according to claim 3, characterized in that: the total length of stomach tube (1) is 1200mm, the bottom of play liquid section (22) apart from the bottom distance of stomach tube (1) is 150mm, the top of play liquid section (22) apart from the top distance of stomach tube (1) is 650 mm.

5. The special gastric tube with surface anesthesia function of claim 1, characterized in that: scales (31) are arranged on the injector (3).

6. The special gastric tube with surface anesthesia function of claim 1, characterized in that: the liquid spraying holes (6) are uniformly distributed along the outer wall of the stomach tube (1).

7. A specific gastric tube with topical anesthetic function according to any of claims 1-6, characterized in that: the utility model discloses a medicine feeding device, including stomach tube (1), the inside of stomach tube (1) is equipped with isolation tube (7), the outer wall of isolation tube (7) with form between the inner wall of stomach tube (1) and dose district (8), local anesthesia liquid medicine pipe (2) are located in dosing district (8).

Technical Field

The invention relates to the technical field of medical instruments, in particular to a special stomach tube with a surface anesthesia function.

Background

A gastric tube is a medical instrument which is often used in clinical medicine. The stomach tube is inserted into the nostril of the patient, passes through the pharynx and reaches the stomach through the esophagus. Gastric tubes are commonly used for gastrointestinal decompression during surgery in thoraco-abdominal patients, for enteral nutrition supply in critically ill patients and for gastric lavage procedures. The main treatment purpose has only been considered to traditional stomach tube, does not consider the discomfort nature that stomach tube itself brought, can cause the stimulation when keeping somewhere at human throat and nasopharynx portion because of the stomach tube, brings very strong uncomfortable sense for the human body, increases patient's misery, consequently, this application has provided a special stomach tube with surface anesthesia function.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the technology, and the invention provides:

a special stomach tube with a surface anesthesia function comprises a stomach tube, a local anesthesia liquid medicine conduit and an injector, wherein a stomach tube side hole is formed in the side face of the bottom of the stomach tube, the local anesthesia liquid medicine conduit comprises a liquid guiding section and a liquid discharging section which are connected with each other, one end of the liquid guiding section is arranged in the stomach tube, the other end of the liquid guiding section is arranged outside the stomach tube and is connected with the injector, and the liquid discharging section is arranged in the stomach tube;

the outer diameter of the local anesthetic liquid medicine conduit is smaller than the inner diameter of the stomach tube, the liquid outlet section is fixed on the inner wall of the stomach tube in a spiral shape, one side of the liquid outlet section, which is in mutual contact with the stomach tube, is provided with a plurality of liquid outlet holes, the stomach tube is provided with liquid spraying holes corresponding to the liquid outlet holes, the liquid outlet holes are sealed with the liquid spraying holes, and the liquid outlet holes are not communicated with the liquid medicine in the liquid spraying holes and the inside of the stomach tube.

As an improvement, the outer diameter of the stomach tube is 6mm, and the inner diameter of the stomach tube is 4 mm.

As an improvement, the total length of the gastric tube is 1200mm, the distance from the bottom of the liquid outlet section to the bottom of the gastric tube is 150mm, and the distance from the top of the liquid outlet section to the top of the gastric tube is 650 mm.

As an improvement, the injector is provided with scales.

As an improvement, the liquid spraying holes are uniformly distributed along the outer wall of the stomach tube.

As an improvement, an isolation tube is arranged in the stomach tube, an administration area is formed between the outer wall of the isolation tube and the inner wall of the stomach tube, and the local anesthetic liquid medicine conduit is arranged in the administration area.

Compared with the prior art, the invention has the advantages that: the invention takes the practicability and the comfort into consideration, the anesthetic liquid catheter is inserted into the gastric tube, so that the anesthetic liquid catheter can be used for injecting local anesthetic, the surface mucous membrane anesthesia is fully performed on the surface of the gastric tube, the stimulation to the throat part and the nasopharynx part when the gastric tube is left in a human body is reduced, and the comfort of a patient is improved.

Drawings

Fig. 1 is a schematic structural view of a special gastric tube with a surface anesthesia function according to the present invention.

Fig. 2 is a front view of a special gastric tube with a surface anesthesia function of the present invention.

Fig. 3 is a cross-sectional view taken at a-a in fig. 2.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

In the figure, 1, a stomach tube; 2. a local anesthetic liquid medicine conduit; 21. a liquid guiding section; 22. a liquid outlet section; 3. an injector; 31. calibration; 4. a gastric tube side opening; 5. a liquid outlet hole; 6. a liquid ejection hole; 7. an isolation pipe; 8. an administration area.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

With reference to the accompanying drawings, fig. 1 to 4 show that a special stomach tube with a surface anesthesia function comprises a stomach tube 1, a local anesthesia liquid medicine conduit 2 and an injector 3, wherein a stomach tube side hole 4 is formed in the side surface of the bottom of the stomach tube 1, the local anesthesia liquid medicine conduit 2 comprises a liquid guiding section 21 and a liquid outlet section 22 which are connected with each other, one end of the liquid guiding section 21 is arranged in the stomach tube 1, the other end of the liquid guiding section 21 is arranged outside the stomach tube 1 and is connected with the injector 3, the liquid outlet section 22 is arranged in the stomach tube 1, and the injector 3 is provided with a scale 31;

the external diameter of local anesthesia liquid medicine pipe 2 is less than the internal diameter of stomach tube 1, goes out liquid section 22 and is the heliciform to be fixed on the inner wall of stomach tube 1, the one side of going out liquid section 22 and stomach tube 1 mutual contact is equipped with a plurality of liquid holes 5, be equipped with on stomach tube 1 with go out the corresponding hydrojet hole 6 in liquid hole 5, go out liquid hole 5 and seal between hydrojet hole 6, go out the liquid medicine in liquid hole 5 and the hydrojet hole 6 and the inside of stomach tube 1 does not communicate with, hydrojet hole 6 is along 1 outer wall evenly distributed of stomach tube.

In the embodiment, the outer diameter of the stomach tube 1 is 6mm, and the inner diameter of the stomach tube 1 is 4 mm; the outer diameter of the local anesthetic liquid medicine conduit 2 is 1mm, and the inner diameter of the local anesthetic liquid medicine conduit 2 is 0.5 mm; the total length of the gastric tube 1 is 1200mm, the distance from the bottom of the liquid outlet section 22 to the bottom of the gastric tube 1 is 150mm, and the distance from the top of the liquid outlet section 22 to the top of the gastric tube 1 is 650 mm.

In another embodiment of the invention, the isolation tube 7 is arranged in the gastric tube 1, the administration area 8 is formed between the outer wall of the isolation tube 7 and the inner wall of the gastric tube 1, and the local anesthetic liquid medicine conduit 2 is arranged in the administration area 8, so that the local anesthetic liquid medicine conduit 2 in the administration area does not influence the liquid circulation in the gastric tube 1 due to the spiral shape of the local anesthetic liquid medicine conduit 2, and does not cause liquid or solid obstruction due to the local anesthetic liquid medicine conduit 2.

The working principle is as follows:

in the invention, the local anesthetic liquid medicine conduit 2 is inserted into the stomach tube 1, local anesthetic can be injected into the local anesthetic liquid medicine conduit 2 through the injector, the local anesthetic sequentially passes through the liquid guide section 21 and the liquid outlet section 22, and then is uniformly sprayed around the outer wall of the stomach tube from the liquid outlet hole 5 through the liquid spraying hole 6, so that the surface mucosa anesthesia can be fully performed on the throat part and the nasopharynx part of a human body, the stimulation to the throat part and the nasopharynx part when the stomach tube is left in the human body is reduced, and the comfort degree of a patient is improved.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.