CN212756470U - Special injection device for stomach tube of child - Google Patents
Special injection device for stomach tube of child Download PDFInfo
- Publication number
- CN212756470U CN212756470U CN202020407019.9U CN202020407019U CN212756470U CN 212756470 U CN212756470 U CN 212756470U CN 202020407019 U CN202020407019 U CN 202020407019U CN 212756470 U CN212756470 U CN 212756470U
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- Prior art keywords
- injection
- pipe
- communicating pipe
- stomach tube
- diameter
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Abstract
The utility model relates to a special injection device for a stomach tube of a child, which comprises an injection needle cylinder and an adapter fixed at the front end of the injection needle cylinder; the adapter is used for connecting the injection needle cylinder and the gastric tube and comprises a communicating pipe and a conical barrel arranged in the communicating pipe; the length of the communicating pipe is greater than that of the conical barrel, one end of the communicating pipe is connected with the injection needle cylinder, and the other end of the communicating pipe is connected with the port of the stomach tube; the diameter of the larger port of the conical cylinder body is larger than that of the injection head, so that the injection head can be inserted and fixed.
Description
Technical Field
The utility model relates to a special injection device of child's stomach tube belongs to medical instrument technical field.
Background
For infant patients who cannot take food orally, the stomach tube is usually manually placed into the esophagus through the oral cavity or the nostril, and reaches the stomach through the pharynx and the esophagus, and water and food are pumped into the nasogastric tube and the stomach of the patient by manually pressurizing a push rod or a piston of an injector, so that the infant patients can be guaranteed to take sufficient nutrition, moisture and medicines. However, the existing stomach tube front end port suitable for infants is too large, the front end connection port of the injector for injecting medicine is too small, and the port cannot be directly butted, so that a special injection device which can facilitate the butt joint of the injector and the two ends of the stomach tube is urgently needed, and a doctor can conveniently complete the operation of medicine injection and water injection.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a special injection device of child's stomach tube makes things convenient for the stomach tube to inject directly with the seamless butt joint of syringe port with the port, can guarantee simultaneously that it does not leak outward to feed at injection water filling port or nasal feeding process.
The technical scheme of the utility model as follows:
a special injection device for a stomach tube of a child comprises an injection needle cylinder and an adapter fixed at the front end of the injection needle cylinder; the adapter is used for connecting the injection needle cylinder and the gastric tube and comprises a communicating pipe and a conical barrel arranged in the communicating pipe; the length of the communicating pipe is greater than that of the conical barrel, one end of the communicating pipe is connected with the injection needle cylinder, and the other end of the communicating pipe is connected with the port of the stomach tube; the diameter of the larger port of the conical cylinder body is larger than the diameter of the injection head at the front end of the injection needle cylinder, so that the injection head can be inserted and fixed.
Furthermore, the communicating pipe is of a hollow ladder-shaped structure and comprises a plurality of transition pipes which are connected with each other and the diameters of which are reduced in sequence; a first pipe orifice with larger diameter in the transition pipe is connected with the front end of the injection syringe, and the inner diameter of the first pipe orifice is larger than the outer diameter of the injection syringe for the injection syringe to penetrate, connect and fix; the second mouth of pipe that the diameter is less is connected with the stomach tube in the transition pipe, and the orificial internal diameter of second is greater than the external diameter of stomach tube, supplies the stomach tube to penetrate fixedly.
Furthermore, the injection needle cylinder is in threaded connection with the first pipe orifice, the end of the injection needle cylinder to be connected is provided with an external thread, and the end of the first pipe orifice to be connected is provided with an internal thread.
Furthermore, the inside wall of second mouth of pipe and stomach tube linkage segment is provided with the helical shape sawtooth line that is that increases frictional force.
Further, the communicating pipe and the conical cylinder are integrally formed and made of non-toxic polyvinyl chloride materials.
Furthermore, the outer side wall of the conical cylinder body is uniformly provided with a plurality of vertical concave-convex stripes.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model provides a special injection device of child's stomach tube, adapter at syringe cylinder front end threaded connection, the adapter comprises communicating pipe and circular cone type barrel, communicating pipe is the echelonment structure and is used for connecting stomach tube and syringe cylinder, the both ends mouth of communicating pipe can respectively with child's stomach tube front end port and syringe cylinder lug connection, circular cone type barrel is direct to be connected with the injection head, it is too little to have overcome prior art injection ware port, the stomach tube port is too big, the problem that can't directly link up, need not accomplish oral feeding such as infant's injection water injection or nasal feeding operation with the help of other devices or materials.
2. The utility model provides a special injection device of child's stomach tube sets up the syringe needle that supplies the syringe front end at the port of the great diameter of the circular cone type barrel in the intercommunication pipe and penetrates, plays the effect of drainage to liquid medicine or nutrient solution through injection cylinder pressurization injection adapter, guarantees oral feeding such as injection water injection, nasal feeding and does not leak outward.
Drawings
FIG. 1 is a schematic view of the connection structure of the present invention with a gastric tube;
FIG. 2 is an exploded view of the present invention;
fig. 3 is a schematic diagram of a half-section of the intermediate adapter of the present invention.
The reference numbers in the figures denote:
1. an injection syringe; 11. an injection head; 12. an external thread; 2. an adapter; 21. a communicating pipe; 22. a conical cylinder; 23. a transition duct; 24. a first nozzle; 25. a second orifice; 26. an internal thread; 27. sawtooth lines.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, a special injector for a pediatric stomach tube comprises an injection needle cylinder 1 and an adapter 2 fixed at the front end of the injection needle cylinder 1; the adapter 2 is used for connecting the injection syringe 1 and the gastric tube 3 and comprises a communicating pipe 21 and a conical barrel 22 arranged inside the communicating pipe 21; the communicating pipe 21 and the conical cylinder 22 are integrally formed and made of non-toxic polyvinyl chloride materials; the length of the communicating pipe 21 is greater than that of the conical barrel 22, one end of the communicating pipe 21 is connected with the injection needle cylinder 1, and the other end of the communicating pipe 21 is connected with the port of the gastric tube 3; the conical cylinder 22 is positioned in the middle section of the communicating pipe 21, two ends of the conical cylinder 22 do not exceed the communicating pipe 21, the diameter of the larger port of the conical cylinder 22 is larger than the diameter of the injection head 11 at the front end of the injection needle cylinder 1, so that the injection head 11 can be inserted and fixed, and the injection head 11 is inserted into the conical cylinder 22; the communicating pipe 21 and the conical barrel 22 jointly realize the connection of the injection needle cylinder 1 and the stomach tube 3 with large size difference of two ports, meanwhile, the liquid medicine or nutrient solution output by the injection head 11 after the injection needle cylinder 1 is pressurized can be drained through the conical barrel 22, the conditions of injection or scattering and the like can not occur, and the leakage of oral feeding, nasal feeding and the like such as medicine injection, water injection and the like can be avoided.
Furthermore, the communicating pipe 21 is of a hollow ladder-shaped structure and comprises a plurality of transition pipes 23 which are connected with each other and the diameters of which are sequentially reduced, so that the injection needle cylinder 1 and the stomach tube 3 can be conveniently connected; a first pipe orifice 24 with a larger diameter in the transition pipe 23 is connected with the front end of the injection syringe 1, and the inner diameter of the first pipe orifice 24 is larger than the outer diameter of the injection syringe 1, so that the injection syringe 1 can penetrate, be connected and be fixed; the second pipe orifice 25 with smaller diameter in the transition pipe 23 is connected with the gastric tube 3, and the inner diameter of the second pipe orifice 25 is larger than the outer diameter of the gastric tube 3, so that the gastric tube 3 can penetrate and be fixed.
Further, the injection needle cylinder 1 is in threaded connection with the first pipe orifice 24, the end of the injection needle cylinder 1 to be connected is provided with an external thread 12, and the end of the first pipe orifice 24 to be connected is provided with an internal thread 26; the inner side wall of the connecting port of the second pipe orifice 25 and the stomach tube 3 is provided with a spiral and concave-convex sawtooth grain 27 for increasing friction force; the mode that communicating pipe 21 one end and injection cylinder 1 threaded connection, the other end and stomach tube 3 grafting make things convenient for the dismantlement of adapter 2.
Further, the outer side wall of the conical cylinder 22 is uniformly provided with a plurality of vertical concave-convex stripes.
The utility model discloses a theory of operation:
use the utility model provides a during special syringe, with the thick pipe 23 one end and the 1 threaded connection of syringe barrel of communicating pipe 21, insert the circular cone type barrel 22 in the adapter 2 with the injection head 11 of syringe barrel 1 simultaneously, with communicating pipe 21, circular cone type barrel 22 is fixed with syringe barrel 1, need mouthful feed such as injection water injection, when the nasal feeding operation, peg graft with the tubule 24's of communicating pipe 21 one end with stomach tube 3 again for syringe barrel 1 and stomach tube 3 intercommunication, convenient operation.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings of the present invention, or directly or indirectly applied to other related technical fields, are included in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a special injection device of child's stomach tube which characterized in that: comprises an injection syringe (1) and an adapter (2) fixed at the front end of the injection syringe (1); the adapter (2) is used for connecting the injection needle cylinder (1) and the gastric tube (3) and comprises a communicating pipe (21) and a conical cylinder body (22) arranged inside the communicating pipe (21); the length of the communicating pipe (21) is greater than that of the conical barrel (22), one end of the communicating pipe (21) is connected with the injection needle cylinder (1), and the other end of the communicating pipe is connected with the port of the gastric tube (3); the diameter of the larger port of the conical cylinder (22) is larger than the diameter of the injection head (11) at the front end of the injection needle cylinder (1) so that the injection head (11) can be inserted and fixed.
2. The device according to claim 1, wherein said device comprises: the communicating pipe (21) is of a hollow ladder-shaped structure and comprises a plurality of transition pipes (23) which are connected with each other and the diameters of which are reduced in sequence; a first pipe orifice (24) with larger diameter in the transition pipe (23) is connected with the front end of the injection syringe (1), and the inner diameter of the first pipe orifice (24) is larger than the outer diameter of the injection syringe (1) for the injection syringe (1) to penetrate, connect and fix; the second pipe orifice (25) with smaller diameter in the transition pipe (23) is connected with the stomach tube (3), and the inner diameter of the second pipe orifice (25) is larger than the outer diameter of the stomach tube (3) to enable the stomach tube (3) to penetrate and be fixed.
3. The device according to claim 2, wherein said device comprises: the injection syringe (1) is in threaded connection with the first pipe orifice (24), an external thread (12) is arranged at the end to be connected of the injection syringe (1), and an internal thread (26) is arranged at the end to be connected of the first pipe orifice (24).
4. The device according to claim 3, wherein said device comprises: the inside wall of second mouth of pipe (25) and stomach tube (3) linkage segment is provided with spiral helicine sawtooth line (27) that are of increase frictional force.
5. The device according to claim 4, wherein said device comprises: the communicating pipe (21) and the conical cylinder (22) are integrally formed and are made of non-toxic polyvinyl chloride materials.
6. The device according to claim 5, wherein said device comprises: the outer side wall of the conical cylinder body (22) is uniformly provided with a plurality of vertical concave-convex stripes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020407019.9U CN212756470U (en) | 2020-03-26 | 2020-03-26 | Special injection device for stomach tube of child |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020407019.9U CN212756470U (en) | 2020-03-26 | 2020-03-26 | Special injection device for stomach tube of child |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212756470U true CN212756470U (en) | 2021-03-23 |
Family
ID=75026289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020407019.9U Expired - Fee Related CN212756470U (en) | 2020-03-26 | 2020-03-26 | Special injection device for stomach tube of child |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212756470U (en) |
-
2020
- 2020-03-26 CN CN202020407019.9U patent/CN212756470U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |