CN215130854U - Trachea cannula needle for animals - Google Patents

Abstract

The utility model discloses an trachea cannula needle for animal relates to the experimental technical field of medical science. The utility model discloses an animal trachea cannula needle, which comprises a needle head part and a needle tail part, wherein the needle head part and the needle tail part are clamped by a male buckle and a female buckle, namely the needle head part can be disassembled, and the needle head part with the required size can be selected according to the weight and the size of an animal; the front end of the needle head part is provided with the needle head, and the needle head is subjected to smooth treatment, so that the needle head part can conveniently enter an animal trachea without cutting the trachea, and the animal trachea is prevented from being damaged; the outside of needle tail part is provided with needle tail fin and needle tail rectangular ring, and needle tail rectangular ring is used for fixing the rat upper incisor to prevent trachea cannula needle landing, and needle tail fin antiskid is handled, makes things convenient for operating personnel to grip. The utility model has the advantages of simple structure, convenient operation has improved trachea cannula's efficiency, has reduced the tracheal damage of animal.

Description

Trachea cannula needle for animals

Technical Field

The utility model belongs to the technical field of the medical science is experimental, especially, relate to an trachea cannula needle for animal.

Background

In the 50's of the 19 th century, various experimental animals were developed for the study of human diseases, and such animal models constructed for the study of human diseases are generally called animal models of human diseases. In the process of constructing animal models of human diseases, respiratory function determination, respiratory tract administration and drug effect identification, respiratory system disease modeling and other conditions needing a breathing machine for support are required, and tracheal intubation is required for test animals.

The current leading method of tracheal intubation is to cut the animal trachea open, insert it using a catheter of appropriate size, and then connect a ventilator. In the trachea intubation process, an incision at a trachea part causes a certain degree of damage to animals (such as rats), and the rats die due to bleeding, improper suturing and the like at the later stage, so that the animal model construction fails. At present, the trachea cannula under the oral direct vision is also available, and the method has the advantages of small damage, convenient operation and wide application. However, in the process of intubating the trachea through the mouth under direct vision, the traditional No. 7 mouse gastric lavage needle is used, the lavage needle is hard, the head end is thick and blunt, the injury to the throat and the trachea of a rat is large in the process of intubating, the rat is moved in the operation, the trachea injury is increased, the contact with the trachea is poor, and the tidal volume of a breathing machine is not easy to control.

SUMMERY OF THE UTILITY MODEL

The utility model provides an animal is with trachea cannula needle, the main objective has improved trachea cannula efficiency, and easy operation is convenient, and is few with the time, reduces tracheal damage to the animal, and is applicable in different weight animals and uses.

In order to solve the technical problem, the utility model provides an trachea cannula for animal, including syringe needle part and backshank part, the front end of syringe needle part is provided with the syringe needle, the rear end of syringe needle part is provided with the pin thread, the front end of backshank part is provided with the box, pin thread and box joint, the outside of backshank part is provided with backshank fin and backshank rectangle ring, backshank rectangle ring is used for fixed animal to go up the incisor, the backshank afterbody and the breathing machine pipe connection of backshank part.

Furthermore, a needle cannula depth indication strip is arranged in the middle pipe of the needle part.

Further, the needle head is subjected to smoothing treatment.

Furthermore, the surface of the tail fin of the needle tail is subjected to anti-skid treatment.

The utility model discloses following beneficial effect has been gained: the needle head component and the needle tail component of the utility model are clamped by the male buckle and the female buckle, namely the needle head component is detachable, and the needle head component with the required size can be selected according to the weight and the size of an animal; the needle head is subjected to smooth treatment, so that the needle head component can conveniently enter the trachea of the animal, the trachea does not need to be cut, the trachea of the animal is prevented from being damaged, and the operation is convenient; when the trachea cannula needle enters the trachea, the rectangular ring at the tail of the needle is used for fixing the upper incisor of the rat so as to prevent the trachea cannula needle from sliding off; the needle tail fin is subjected to anti-skid treatment, so that the needle tail fin is convenient for operators to hold; the utility model has the advantages of simple structure, convenient operation has improved trachea cannula's efficiency, has reduced the tracheal damage of animal.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention unduly. In the drawings:

fig. 1 is a schematic structural view of an embodiment of the tracheal intubation needle of the present invention;

FIG. 2 is a schematic structural view of an embodiment of a needle assembly of the endotracheal intubation needle of the present invention;

fig. 3 is a schematic structural view of an embodiment of a needle tail component of the tracheal intubation needle of the present invention.

The attached drawings are as follows: 1. a needle member; 2. a needle tail component; 3. a needle head; 4. a male buckle; 5. a female buckle; 6. a needle tail fin; 7. a needle tail rectangular ring; 8. the tail part of the needle tail; 9. a needle cannula depth indicator; 10. an indicative marker.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.

The present application will be described in further detail below with reference to the accompanying drawings, but the present application is not limited thereto.

The specific embodiment is as follows:

referring to fig. 1, 2 and 3, an animal trachea cannula according to an embodiment of the present invention includes a needle head part 1 and a needle tail part 2. The back end of the needle head component 1 is provided with a male buckle 4 (also called a latch), the front end of the needle tail component 2 is provided with a female buckle 5 (also called a spigot), and the male buckle 4 is connected with the female buckle 5 in a buckling manner. The needle head part 1 can be detached from the tracheal cannula needle, namely the needle head part 1 can be separated from the needle tail part 2, so that an operator can select the needle head part 1 with a required size according to the weight and the size of an experimental animal so as to meet the size requirements of tracheas of animals with different body types and different types. In an actual application process, the positions of the male buckle 4 and the female buckle 5 of the present embodiment can be interchanged, that is, the rear end of the pin member is set as the female buckle, and the front end of the pin tail member is set as the male buckle, so that the actual effect of the male buckle and the female buckle cannot be affected.

As shown in figure 2, the front end of the needle head component 1 is provided with a needle head 3, the needle head 3 can be processed by rounding off, so that the utility model discloses very convenient entering animal trachea prevents that the needle head 3 from entering the trachea and stabbing the animal trachea, reduces the damage to the animal. Because the trachea of an animal needs to be cut off in the existing trachea cannula process, the cut of the trachea part causes certain damage to the animal, and the animal is possibly dead due to bleeding, improper suturing and the like in the later period. The utility model discloses a syringe needle 3 carries out slick and sly processing, then indicates that syringe needle 3 is non-toper or square, and syringe needle 3 can be the circular arc of small angle promptly, also can be the shape that does not have edges and corners such as semicircular circular arc, chamfer, and this syringe needle 3 inserts the trachea in-process, can not have edges and corners to draw the trachea wall of animal, and makes the trachea of animal receive the damage. The utility model discloses a syringe needle 3 does the rounding off back, can be very convenient, quick entering animal trachea, easy operation has shortened the intubate time, has saved the time for the subsequent operation of animal is handled, has improved intubate efficiency, has further ensured the life safety of animal, has improved the success rate of animal operation.

As shown in fig. 3, a needle tail fin 6 and a needle tail rectangular ring 7 are arranged on the outer side of the needle tail part 1, and a needle tail part 8 of the needle tail part 2 is connected with a breathing machine pipeline (not shown in the figure). The surface of the needle tail fin 6 is subjected to anti-slip treatment, so that an operator can conveniently hold the needle tail fin, and the stability of the intubation process of the operator is ensured. The anti-skid treatment can adopt a convex structure or a concave structure, and can also adopt a pin tail empennage prepared from anti-skid materials, but is not limited to the mentioned anti-skid treatment modes. The needle tail rectangular ring 7 is used for fixing the upper incisor teeth of the animal, prevents the tracheal intubation needle from sliding off, further ensures the stability after the intubation is successful, and ensures the intubation efficiency.

It should be noted that, as shown in fig. 3, the needle-tail fin 6 is disposed between the needle-tail rectangular ring 7 and the female buckle 5, but in practical application, the needle-tail rectangular ring 7 may be disposed between the needle-tail fin 6 and the female buckle 5, and the specific positions of the needle-tail fin 6 and the needle-tail rectangular ring 7 may depend on the weight, the type and the specific actual conditions of the animal.

Preferably, as shown in fig. 2, the middle tube of the needle head unit 1 of the present invention further includes a needle cannula depth indicator 9, and the needle cannula depth indicator 9 is provided with an indicating mark 10 for determining whether the tracheal cannula has entered the trachea, so as to conveniently determine the depth of the cannula, and the present invention is simple in operation and time saving.

The utility model discloses combine the concrete trachea cannula step of rat to be:

(1) healthy SPF rats with the weight of 300-350g are selected, and hairs at the chest part and the neck trachea part are removed after anesthesia.

(2) The rats were placed in the supine position and the extremities were fixed.

(3) Setting relevant parameters of a breathing machine, and connecting a catheter of the breathing machine with the tail part 8 of the needle tail of the tracheal intubation needle.

(4) The neck skin of the rat was cut open using ophthalmic scissors, the muscle layers were separated layer by layer, exposing the trachea.

(5) The left hand holds tweezers to carefully draw the tongue of a rat to an outlet cavity, the right hand holds the needle tail empennage 6 to enable the tracheal intubation needle to be tightly attached to the palate from the oral cavity of the rat to be inserted into the trachea, the indicating mark 10 on the needle intubation depth indicating strip 9 can be seen from the trachea part of an exposed part, the tracheal intubation needle enters the trachea at the moment, the insertion is stopped, the upper incisor of the rat is fixed on the needle tail rectangular ring 7 to prevent the tracheal intubation needle from sliding off, at the moment, regular fluctuation of the thoracic cavity of the rat along with a breathing machine can be seen, and the tracheal intubation is successful.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims (4)

1. The utility model provides an animal trachea cannula needle, characterized in that, includes syringe needle part (1) and needle tail part (2), the front end of syringe needle part (1) is provided with syringe needle (3), the rear end of syringe needle part (1) is provided with pin thread (4), the front end of needle tail part is provided with box (5), pin thread (4) and box (5) joint, the outside of needle tail part (2) is provided with needle tail fin (6) and needle tail rectangular ring (7), needle tail rectangular ring (7) are used for fixed animal upper incisor teeth, needle tail afterbody (8) and the breathing machine pipe connection of needle tail part (2).

2. The animal endotracheal intubation needle according to claim 1, characterized in that a needle intubation depth indicator (9) is provided in the middle tube of the needle head unit (1).

3. The endotracheal intubation needle for animals according to claim 1, characterized in that said needle head (3) is rounded.

4. The animal trachea cannula needle according to claim 1, wherein the needle tail fin (6) surface is treated to be non-slip.

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