CN214761610U - Rat trachea device of dosing - Google Patents
Rat trachea device of dosing Download PDFInfo
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- CN214761610U CN214761610U CN202120563344.9U CN202120563344U CN214761610U CN 214761610 U CN214761610 U CN 214761610U CN 202120563344 U CN202120563344 U CN 202120563344U CN 214761610 U CN214761610 U CN 214761610U
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Abstract
The utility model discloses a rat trachea drug delivery device, which comprises a tongue pressing tube and a drug delivery tube, wherein the tongue pressing tube comprises a hollow cylindrical tube and an outer boss, the outer boss is arranged on the circumference of the outer wall of one end of the hollow cylindrical tube, a hose is sleeved on the outer side wall of the hollow cylindrical tube, and the hose extends to the outer side wall of the outer boss; the administration tube comprises an administration joint tube and an administration cannula, the administration joint tube is formed by sequentially connecting a hollow administration part, a conical hollow connecting part and a hollow splicing part, one end of the hollow splicing part is connected with the administration cannula, the injector is inserted into the hollow administration part and is attached to the conical hollow connecting part, one end of the administration cannula, which is far away from the hollow splicing part, extends into one end of the hollow cylindrical tube and extends out of the other end of the hollow cylindrical tube, and a handle is arranged on the outer side wall of the hollow administration part. The utility model discloses can fix the rat tongue body, strut the oral cavity, fully expose the glottis, enlarge the operation field of vision, prevent that the liquid medicine refluence from leaking outward, improve the intubate efficiency of dosing, convenient operation, preparation low cost, suitable popularization and application.
Description
Technical Field
The utility model relates to a device of dosing especially relates to a rat trachea device of dosing.
Background
In some animal (e.g., rat) experiments, model preparation via tracheal administration is required; at present, direct intubation is mostly adopted for medicine injection under the glottis of an orthoptic rat, the glottis is small and is deep in the oral cavity, so that the glottis is difficult to expose during intubation, in order to enlarge an operation visual field, the tongue of the rat is pulled out of the oral cavity by an instrument or a hand in the traditional method, the tongue body is fixed by one hand, and the operation is carried out by the other hand, so that the tongue body can be damaged by the method, and in addition, a plurality of operation limitations can be brought; the human endoscope or laryngoscope is used for assisting intubation, and because the anatomical characteristics of the oral cavity of a rat are greatly different from those of the human body, adverse reactions such as larynx edema, airway spasm and the like of the rat can be caused if the operation is improper, the experimental process is influenced, and the experimental result is interfered; in addition, after the intubation is successful, the injector is required to inject the medicine, no holding part is arranged on the intubation, the injection is inconvenient, and if the intubation and the injector are not matched and sealed well, the outflow of the medicine liquid can be caused, the dosage is influenced, and the environment is polluted; the device which can fix the tongue body of the rat, open the oral cavity, fully expose the glottis, expand the operation visual field, facilitate the intubation operation, and is accurate in medication, not only accords with the anatomical characteristics of the oral cavity of the rat, but also does not damage the rat, and improves the intubation medication efficiency is needed to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: overcome among the prior art, when dosing for rat trachea cannula, positions such as glottis expose the difficulty, and the operation field of vision is limited, and the pharmacy refluxes easily and leaks etc. not enough, provides one kind and can fix the rat tongue body, struts the oral cavity, enlarges the operation field of vision, makes things convenient for the intubate operation, and when dosing, can prevent that the liquid medicine refluxes and leaks outward, accomplishes the rat trachea device of dosing of accurate dosing.
The utility model discloses a technical scheme who solves technical problem and take is:
a rat trachea drug delivery device comprises a tongue pressing tube and a drug delivery tube, wherein the tongue pressing tube comprises a hollow cylindrical tube and an outer boss, the hollow cylindrical tube is a hard hollow cylindrical tube, the outer boss is arranged on the circumference of the outer wall of one end of the hollow cylindrical tube, a hose is sleeved on the outer side wall of the hollow cylindrical tube, the hose is a rubber hose, and the hose extends to the outer side wall of the outer boss; give the pencil including the joint pipe of dosing and the intubate of dosing, the joint pipe of dosing is formed by hollow portion of dosing, the hollow connecting portion of toper and the hollow portion of splicing that continues to connect gradually, the one end of hollow portion of continuing to connect is connected the intubate of dosing, the intubate of dosing can be the smooth PVC plastic intubate in surface, and the syringe inserts hollow portion of dosing and with the laminating of the hollow connecting portion of toper is connected, keep away from on the intubate of dosing hollow portion of continuing to connect one end is stretched into behind the one end of hollow cylinder pipe, follow the other end of hollow cylinder pipe stretches out, be provided with the handle on the hollow portion lateral wall of dosing.
The diameter of the hollow dosing part is matched with the diameter of the bottom of the conical hollow connecting part, one end of the hollow dosing part is connected with the bottom of the conical hollow connecting part, the diameter of the hollow continuous connecting part is matched with the diameter of the top of the conical hollow connecting part, one end of the hollow continuous connecting part is connected with the top of the conical hollow connecting part, and the hollow dosing part, the conical hollow connecting part and the hollow continuous connecting part are integrally connected.
The outer side wall of the hollow dosing part is connected with the handle at an acute angle alpha, and one end of the handle, which is far away from the outer side wall of the hollow dosing part, exceeds the end face of the other end of the hollow dosing part.
The outer boss lower extreme with hollow cylinder pipe outer wall connection, outer boss upper end with be provided with the annular groove between the hollow cylinder pipe outer wall, be close to in the annular groove one side of hollow cylinder pipe outer wall is provided with protruding arris, protruding arris interval equipartition is in on the hollow cylinder pipe lateral wall.
The hollow cylindrical tube and the outer boss are in integrated structure or combined connection, and the protruding edges and the hollow cylindrical tube are also in integrated structure.
One end of the hose, which is positioned on the outer side wall of the outer boss, extends out of the port of the outer boss, but the extending size is not larger than the distance from the outer side of the outer boss to one side, which is far away from the outer wall of the hollow cylindrical pipe, in the annular groove.
One end of the hose, which is positioned on the outer side wall of the hollow cylindrical pipe, extends out of the port of the hollow cylindrical pipe, but the extending size is not larger than the wall thickness of the hollow cylindrical pipe.
The utility model discloses an actively beneficial effect is:
1. the utility model discloses in be provided with the joint pipe of dosing, the intermediate position of joint pipe of dosing is the hollow connecting portion of toper, and the syringe inserts behind the hollow portion of dosing and is connected with the laminating of the hollow connecting portion of toper, like this, can prevent that the liquid medicine refluence is excessive, plays the accurate effect of dosing, and is provided with the handle on the hollow portion lateral wall of dosing, conveniently takes.
2. The utility model discloses be provided with the tongue pressing pipe that has the hose, put the tongue pressing pipe on the tongue body of rat, the one end that does not have outer boss stretches into the throat, the nearly incisor department in the rat oral cavity is placed to the one end that has outer boss, the drum pipe is light with outer boss material, hardness is big, can strut the rat oral cavity, hose sense of touch is soft, elasticity is good, can protect the oral cavity not to be hurt, the thin internal diameter of drum pipe wall is big in addition, operating space has been increased, under the assistance of external light, just can follow the position of the intraductal glottis of observing of hollow drum, make the operation field of vision more clear, practice thrift the intubate time of dosing, the success rate is improved.
3. The utility model discloses well hose one end stretches out hollow cylinder pipe port, but the size that stretches out is not more than the wall thickness of hollow cylinder pipe, and the other end stretches out outer boss port, but the size that stretches out is not more than the outer boss outside to the distance of keeping away from one side of hollow cylinder pipe outer wall in the annular groove, and the purpose of design is in order to when putting into the rat oral cavity with pressing the tongue pipe like this, and the hose can wrap up the lateral wall of pressing tongue pipe both ends face, prevents that both ends face lateral wall accidental injury rat flesh.
4. The utility model discloses be provided with the annular groove between outer boss upper end and the hollow cylinder pipe outer wall at china and abroad, be provided with a plurality of protruding arriss in the annular groove, a plurality of protruding arriss interval equipartitions are on hollow cylinder pipe lateral wall, the design is for taking of convenient tongue depressor like this, place tweezers or other with holding one side at hollow cylinder pipe inner wall, the opposite side is placed in the annular groove, tweezers or other with holding do not contact with the rat flesh, prevent to hurt the rat, and protruding arris can increase the frictional force between tweezers and the hollow cylinder pipe, the convenient clamp is got.
5. The utility model discloses well pressure tongue pipe cooperatees with for the pencil, and the pressure tongue pipe can provide clear field of vision for the intubate operation, conveniently provides the accurate air flue that inserts of pencil for the pencil, is provided with joint pipe and the handle of dosing on the pencil for the pencil, when conveniently holding, also makes things convenient for the syringe to inject the medicine.
6. The utility model discloses simple structure, low cost, convenient operation easily promotes.
Drawings
Fig. 1 is a schematic structural view of a rat trachea administration device of the present invention;
FIG. 2 is a schematic view of the administration adapter tube of FIG. 1;
FIG. 3 is a schematic structural view of an intubation tube in a rat tracheal administration device of the present invention;
FIG. 4 is a left side view of the single tongue depressor of FIG. 1;
fig. 5 is a cross-sectional plan view of the single tongue depressor of fig. 1.
Detailed Description
The invention will be further explained and explained with reference to the drawings and the embodiments:
referring to fig. 1, 2 and 3, in which: 1-hollow cylindrical tube, 2-external boss, 3-flexible tube, 4-administration joint tube, 4-1-hollow administration part, 4-2-conical hollow connection part, 4-3-hollow continuous connection part, 5-administration cannula, 6-handle, 7-annular groove and 8-convex ridge.
Example (b): a rat trachea drug delivery device comprises a tongue pressing tube and a drug delivery tube, wherein the tongue pressing tube comprises a hollow cylindrical tube 1 and an outer boss 2, the outer boss 2 is arranged on the circumference of the outer wall of one end of the hollow cylindrical tube 1, a rubber hose 3 is sleeved on the outer side wall of the hollow cylindrical tube 1, and the hose 3 extends to the outer side wall of the outer boss 2; the administration tube comprises an administration joint tube 4 and an administration cannula 5, the administration joint tube 4 is formed by sequentially connecting a hollow administration part 4-1, a conical hollow connecting part 4-2 and a hollow continuous connecting part 4-3, one end of the hollow continuous connecting part 4-3 is connected with the administration cannula 5, an injector is inserted into the hollow administration part 4-1 and is attached to the conical hollow connecting part 4-2, one end, far away from the hollow continuous connecting part 4-3, of the administration cannula 5 extends into one end of the hollow cylindrical tube 1 and then extends out of the other end of the hollow cylindrical tube 1, and a handle 6 is arranged on the outer side wall of the hollow administration part 4-1.
The diameter of the hollow dosing part 4-1 is matched with the diameter of the bottom of the conical hollow connecting part 4-2 in size, one end of the hollow dosing part 4-1 is connected with the bottom of the conical hollow connecting part 4-2, the diameter of the hollow continuing part 4-3 is matched with the diameter of the top of the conical hollow connecting part 4-2 in size, one end of the hollow continuing part 4-3 is connected with the top of the conical hollow connecting part 4-2, and the hollow dosing part 4-1, the conical hollow connecting part 4-2 and the hollow continuing part 4-3 are integrally connected.
The outer side wall of the hollow medicine feeding part 4-1 is connected with the handle 6 at an acute angle alpha, and one end of the handle 6 far away from the outer side wall of the hollow medicine feeding part 4-1 exceeds the end face of the other end of the hollow medicine feeding part 4-1.
The lower end of the outer boss 2 is connected with the outer wall of the hollow cylindrical pipe 1, an annular groove 7 is arranged between the upper end of the outer boss 2 and the outer wall of the hollow cylindrical pipe 1, a protruding ridge 8 is arranged on one side, close to the outer wall of the hollow cylindrical pipe 1, in the annular groove 7, and the protruding ridges 8 are uniformly distributed on the outer side wall of the hollow cylindrical pipe 1 at intervals.
The hollow cylindrical tube 1 and the outer boss 2 are in an integrated structure or combined connection, the combined connection is in tight fit connection (not shown in the figure), and the protruding ribs 8 and the hollow cylindrical tube 1 are in an integrated structure.
One end of the hose 3, which is positioned on the outer side wall of the outer boss 2, extends out of the port of the outer boss 2, but the extending size is not larger than the distance from the outer side of the outer boss 2 to one side, far away from the outer wall of the hollow cylindrical pipe 1, in the annular groove 7.
One end of the hose 3 on the outer side wall of the hollow cylindrical pipe 1 extends out of the end of the hollow cylindrical pipe 1, but the extending size is not larger than the wall thickness of the hollow cylindrical pipe 1.
When in operation, the tongue depressor is clamped by the tweezers or other clamping pieces, when in clamping, one side of the tweezers or other clamping pieces is placed on the inner wall of the hollow cylindrical tube 1, the other side of the tweezers or other clamping pieces is placed in the annular groove 7, then the tongue depressor is slightly and forcibly clamped by two fingers, the tongue depressor is placed on the tongue body of an anesthetized rat, one end without an external boss extends into the throat, and the other end with the external boss is placed in the oral cavity of the rat close to the incisor, so that the tongue body of the rat is fixed, the oral cavity is opened, under the assistance of external light, the glottis is observed from the hollow cylindrical tube, then the administration intubation tube 5 is inserted into the trachea from the hollow cylindrical tube 1, after the administration intubation tube 5 reaches the trachea, one hand holds the handle 6 on the administration tube, and the other hand inserts the injector with the injection into the hollow administration part 4-1 and is attached to the conical hollow connecting part 4-2, the injector is pushed manually, and the injection is injected into the trachea.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (7)
1. The utility model provides a rat trachea device of dosing, includes tongue pressing pipe and dosing pipe, characterized by: the tongue pressing pipe comprises a hollow cylindrical pipe and an outer boss, the outer boss is arranged on the circumference of the outer wall of one end of the hollow cylindrical pipe, a hose is sleeved on the outer side wall of the hollow cylindrical pipe, and the hose extends to the outer side wall of the outer boss; give the pencil including the joint pipe of dosing and the intubate of dosing, the joint pipe of dosing is formed by hollow portion of dosing, the hollow connecting portion of toper and the hollow portion of continuing to connect gradually, the one end of hollow portion of continuing to connect is connected the intubate of dosing, the syringe inserts hollow portion of dosing and with the hollow connecting portion laminating of toper is connected, it keeps away from on the intubate of dosing hollow portion of continuing to connect one end stretches into behind the one end of hollow cylinder pipe, follow the other end of hollow cylinder pipe stretches out, be provided with the handle on the hollow portion lateral wall of dosing.
2. A tracheal drug delivery device as in claim 1, wherein: the diameter of the hollow dosing part is matched with the diameter of the bottom of the conical hollow connecting part, one end of the hollow dosing part is connected with the bottom of the conical hollow connecting part, the diameter of the hollow continuous connecting part is matched with the diameter of the top of the conical hollow connecting part, one end of the hollow continuous connecting part is connected with the top of the conical hollow connecting part, and the hollow dosing part, the conical hollow connecting part and the hollow continuous connecting part are integrally connected.
3. A tracheal drug delivery device as in claim 2, wherein: the outer side wall of the hollow dosing part is connected with the handle at an acute angle alpha, and one end of the handle, which is far away from the outer side wall of the hollow dosing part, exceeds the end face of the other end of the hollow dosing part.
4. A tracheal drug delivery device as in claim 1, wherein: the outer boss lower extreme with hollow cylinder pipe outer wall connection, outer boss upper end with be provided with the annular groove between the hollow cylinder pipe outer wall, be close to in the annular groove one side of hollow cylinder pipe outer wall is provided with protruding arris, protruding arris interval equipartition is in on the hollow cylinder pipe lateral wall.
5. A tracheal drug delivery device in rats according to claim 4, wherein: the hollow cylindrical tube and the outer boss are in integrated structure or combined connection, and the protruding edges and the hollow cylindrical tube are in integrated structure.
6. A tracheal drug delivery device in rats according to claim 4, wherein: the hose is arranged at one end of the outer side wall of the outer boss and extends out of the port of the outer boss, but the extending size is not larger than the distance from the outer side of the outer boss to one side, far away from the outer wall of the hollow cylindrical pipe, in the annular groove.
7. A tracheal drug delivery device in rats according to claim 4, wherein: the hose is arranged at one end of the outer side wall of the hollow cylindrical pipe, extends out of the port of the hollow cylindrical pipe, and the extending size is not larger than the wall thickness of the hollow cylindrical pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120563344.9U CN214761610U (en) | 2021-03-19 | 2021-03-19 | Rat trachea device of dosing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120563344.9U CN214761610U (en) | 2021-03-19 | 2021-03-19 | Rat trachea device of dosing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214761610U true CN214761610U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120563344.9U Active CN214761610U (en) | 2021-03-19 | 2021-03-19 | Rat trachea device of dosing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214761610U (en) |
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2021
- 2021-03-19 CN CN202120563344.9U patent/CN214761610U/en active Active
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