CN218247487U - Mouse trachea cannula appurtenance - Google Patents

Mouse trachea cannula appurtenance Download PDF

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Publication number
CN218247487U
CN218247487U CN202221617231.3U CN202221617231U CN218247487U CN 218247487 U CN218247487 U CN 218247487U CN 202221617231 U CN202221617231 U CN 202221617231U CN 218247487 U CN218247487 U CN 218247487U
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China
Prior art keywords
throat
oral cavity
cover
sleeve
cannula
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CN202221617231.3U
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Chinese (zh)
Inventor
曲毅睿
柴家科
迟云飞
白海良
刘甜
胡方超
孙冉
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Fourth Medical Center General Hospital of Chinese PLA
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Fourth Medical Center General Hospital of Chinese PLA
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Abstract

The utility model relates to a mouse trachea cannula appurtenance, including the intubate guide pin bushing, the intubate guide pin bushing includes throat cover and oral cavity expansion cover, the oral cavity expansion cover is the toper cover, throat cover and oral cavity expansion cover are the thin wall cover, the throat cover is connected the minor diameter end of oral cavity expansion cover, oral cavity expansion cover is equipped with the location clamping piece. The utility model has the advantages that: the intubation guide sleeve is introduced into the throat and the oral cavity of the experimental rat to open a smooth channel for the airway tube, so that the airway tube can be smoothly inserted into the airway of the experimental rat, and the intubation guide sleeve is simple and convenient to operate and easy to control; the thin-wall intubation guide sleeve with the side slot and the tearing trace can conveniently exit from the oral cavity of an experimental rat and a gas guide tube and is separated from the oral cavity.

Description

Mouse trachea cannula appurtenance
Technical Field
The utility model relates to a mouse intubate experimental apparatus especially relates to a mouse trachea cannula appurtenance.
Background
When an animal smoke injury experiment is carried out, a mouse (namely an experimental mouse) is anesthetized, then an air guide tube is inserted into the air tube of the experimental mouse, so that smoke can fully enter the lung of the experimental mouse, the oral cavity of the experimental mouse is opened when the experimental mouse is used, the tongue of the experimental mouse is clamped into a tongue fixer by using tweezers, the visual field is prevented from being influenced by operation, the cheek is fixed, and then the air guide tube is inserted. Because the air duct is a hose, the insertion process is complicated, and certain experience and accurate control are required to complete the operation.
Disclosure of Invention
An object of the utility model is to provide a mouse trachea cannula appurtenance, it changes in the operation to make the intubate work when animal smog injures the experiment.
In order to realize the purpose, the technical scheme of the utility model is that: the utility model provides a mouse trachea cannula appurtenance, includes the intubate guide pin bushing, the intubate guide pin bushing includes throat cover and oral cavity expansion cover, oral cavity expansion cover is the toper cover, throat cover and oral cavity expansion cover are the thin wall cover, the throat cover is connected the minor diameter end of oral cavity expansion cover, oral cavity expansion cover is equipped with the location clamping piece.
Furthermore, in order to facilitate the taking out of the cannula sleeve, the cannula sleeve is structurally characterized in that the cannula guide sleeve is provided with a side slit which cuts the side walls of the throat sleeve and the oral cavity dilating sleeve.
Furthermore, in order to facilitate the taking out of the cannula sleeve, the cannula guide sleeve is provided with a tearing mark which is an indentation for thinning the side walls of the throat sleeve and the oral cavity dilating sleeve.
Still further, a preferred tear notch structure is that the tear notch comprises a first tear notch and a second tear notch, and the first tear notch and the second tear notch are symmetrically arranged on the side wall of the cannula guide sleeve.
Further, in a preferred tearing structure, the first tearing mark is arranged on the outer side wall of the cannula guide sleeve, and the second tearing mark is arranged on the inner side wall of the cannula guide sleeve.
Further, in order to stably maintain the cannula guide in the oral cavity of the experimental rat, the oral cavity expanding sleeve is provided with two positioning clamping pieces which are elastic pieces corresponding to the mouth corners of the rat.
Furthermore, for the convenience of inserting the intubation guide sleeve into the oral cavity, the mouse trachea cannula auxiliary tool further comprises an intubation column, the intubation column comprises a throat sleeve column, the diameter of the throat sleeve column corresponds to the inner hole of the throat sleeve, the length of the throat sleeve column is larger than or equal to that of the throat sleeve, a propelling column is arranged at the rear end of the throat sleeve column, and the propelling column is provided with a taper corresponding to the oral cavity expansion sleeve.
Furthermore, the front end of the throat sleeve column is provided with a ball head extending out of the throat sleeve.
The beneficial effects of the utility model are that: the intubation guide sleeve is introduced into the throat and the oral cavity of the experimental rat to open a smooth channel for the airway tube, so that the airway tube can be smoothly inserted into the airway of the experimental rat, and the intubation guide sleeve is simple and convenient to operate and easy to control; the thin-wall intubation guide sleeve with the side slot and the tearing trace can conveniently exit from the oral cavity of an experimental rat and a gas guide tube and is separated from the oral cavity.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a view showing the structure of the present invention, in which the cannula guide sleeve is of a side slit structure;
FIG. 2 is a combined structure diagram of the cannula guide sleeve and the cannula post of the present invention;
FIG. 3 is a combined cross-sectional view of the cannula guide sleeve and the cannula post of the present invention;
FIG. 4 is a structural view of the present invention, the cannula guide sleeve adopts a tearing mark structure;
FIG. 5 is an operational view of the present invention, with the cannula guide aligned with the mouth of the open laboratory rat or mouse;
FIG. 6 is an operation diagram of the present invention, the cannula guide sleeve is inserted into the mouth of the rat;
FIG. 7 is an operational view of the present invention with the stinger string withdrawn;
FIG. 8 is an operational view of the present invention, with the airway tube inserted into the airway of the laboratory rat along the cannula guide sleeve;
FIG. 9 is a schematic view of the operation of the present invention, with the cannula guide sleeve withdrawn along the airway tube;
fig. 10 is an operation diagram of the present invention, the cannula guide sleeve is removed.
Detailed Description
As in fig. 1-10. The utility model provides a mouse trachea cannula appurtenance, includes intubate guide pin bushing 10, the intubate guide pin bushing includes throat cover 11 and oral cavity expansion cover 12, oral cavity expansion cover is the toper cover, throat cover and oral cavity expansion cover are the thin wall cover, the throat cover is connected the minor diameter end of oral cavity expansion cover, oral cavity expansion cover is equipped with location clamping piece 13.
In one embodiment of the cannula guide as shown in fig. 1 and 3, the cannula guide is provided with a side slit 14 that cuts through the side walls of the throat and mouth dilation sleeves.
As shown in fig. 4, in another structure of the cannula guide, the cannula guide is provided with tear marks (15, 16) which are indentations for thinning the side walls of the throat sleeve and the mouth dilating sleeve.
The tearing traces comprise a first tearing trace 15 and a second tearing trace 16 which are symmetrically arranged on the side wall of the cannula guide sleeve.
The first tearing notch is formed in the outer side wall of the intubation guide sleeve, and the second tearing notch is formed in the inner side wall of the intubation guide sleeve.
The oral cavity expansion sleeve is provided with two positioning clamping pieces 13 which are elastic pieces corresponding to the corners of the mouth of the mouse.
Mouse trachea cannula appurtenance still includes intubation column 20, the intubation column includes larynx cover post 21, the diameter d1 of larynx cover post corresponds to the hole of throat cover, the length L1 degree more than or equal to throat cover's of larynx cover post length L2, the rear end of larynx cover post is equipped with advances post 22, advance the post be equipped with the tapering that the oral cavity expansion cover corresponds.
The front end of the throat sleeve column is provided with a bulb 23 extending out of the throat sleeve.
The first embodiment is as follows:
as shown in fig. 1-3. A mouse trachea cannula auxiliary tool comprises a cannula guide sleeve 10 and a cannula column 20.
The guide sleeve of the intubation is similar to a funnel in shape and comprises a throat sleeve 11 and an oral cavity expansion sleeve 12, the oral cavity expansion sleeve is a conical sleeve, the throat sleeve is a section of straight pipe, the throat sleeve and the oral cavity expansion sleeve are thin-wall sleeves, and the throat sleeve is connected with the small-diameter end of the oral cavity expansion sleeve. The oral cavity expanding sleeve is provided with two positioning clamping pieces 13 which are elastic pieces corresponding to the corners of the mouth of the mouse. The cannula guide sleeve is made of thin-wall non-metal materials and has certain elasticity, such as a PVC transparent film.
The cannula guide sleeve is provided with a side slit 14 which cuts the side walls of the throat sleeve and the oral cavity dilating sleeve.
The mouse trachea cannula auxiliary tool also comprises a cannula column 20, the cannula column comprises a throat sleeve column 21, and the diameter d1 of the throat sleeve column corresponds to the inner hole of the throat sleeve, namely, the throat sleeve 11 can be sleeved on the throat sleeve column 21. The front end of the throat sleeve column is provided with a bulb 23, and the length L1 degree of the throat sleeve column is more than or equal to the length L2 of the throat sleeve, so that the bulb 23 extends out of the front end of the throat sleeve. The rear end of the larynx sheath column is provided with a section of pushing column 22 which is provided with a taper corresponding to the oral cavity dilating sleeve 12. The rear end of the propulsion column is provided with an operating lever 24 for hand-held operation.
When the throat sleeve is used, the cannula column 20 is inserted into the cannula guide sleeve 10, the throat sleeve column 21 is inserted into the throat sleeve 11, and the ball head 23 extends out of the front end of the throat sleeve, so that the throat sleeve 11 has enough rigidity and smooth end, and is convenient to insert into the oral cavity of an experimental rat or mouse.
As shown in fig. 5 and 6, the mouth 41 of the rat 40 is opened, the intubation column 20 is held by hand, the intubation guide sleeve 10 is sent into the oral cavity of the rat, the throat sleeve 11 enters the throat of the rat under the driving of the intubation column 20, and the two positioning clamping pieces 13 respectively clamp the two corners of the mouth of the rat, so that the intubation guide sleeve is kept in the oral cavity of the rat.
As shown in fig. 7, the cannula column 20 is pulled out, and the cannula guide 10 keeps the oral cavity of the rat in a proper open state, so that a smooth and smooth cannula passage is formed in the oral cavity of the rat.
As shown in fig. 8, the airway tube 30 is inserted into the airway of the experimental rat along the funnel-shaped cannula guide 10, and the diameter of the throat sleeve 11 is larger than that of the airway tube, so that the airway tube 30 can be inserted smoothly.
As shown in FIG. 9, after the airway tube 30 has been inserted, the cannula guide 10 is withdrawn along the airway tube 30, maintaining the position of the airway tube.
As shown in fig. 10, the cannula guide sleeve is made of a thin wall material with elasticity, the cannula guide sleeve 10 is pulled away from the side opening 14, so that the opening is larger than the diameter of the airway, and the cannula guide sleeve 10 is taken down. Thus, the insertion of the airway tube is completed.
The utility model discloses a smooth and easy passageway that inserts has been opened to the air duct, makes the air duct can be smooth insert the air flue of experiment big mouse, and is easy and simple to handle, and easily control can show success rate and the efficiency that improves the operation.
Example two:
as shown in fig. 4, an auxiliary tool for mouse trachea intubation. The embodiment is a modification of the first embodiment and includes a cannula guide sleeve 10 and a cannula post 20.
In this embodiment, the cannula guide 10 is provided with a first tear notch 15 and a second tear notch 16, which are symmetrically disposed on the sidewall of the cannula guide.
The tearing mark is a pressing mark for pressing the side walls of the throat sleeve and the oral cavity dilating sleeve to be thin, so that the integral connection of the cannula guide sleeve is kept, and the cannula guide sleeve can be torn along the tearing mark.
In order to facilitate observation and operation mode selection, the two tearing marks can be respectively arranged on the inner wall and the outer wall of the cannula guide sleeve. In this embodiment, the first tear notch is disposed on an outer sidewall of the cannula guide sleeve, and the second tear notch is disposed on an inner sidewall of the cannula guide sleeve.
After the airway tube 30 is inserted, the cannula guide 10 is withdrawn along the airway tube 30. The intubation guide sleeve 10 can be taken down by tearing the intubation guide sleeve from the first tearing mark 15 or the second tearing mark 16, and the insertion operation of the airway tube is completed.
The cannula guide sleeve of the embodiment can better keep the shape in the oral cavity of an experimental mouse, and is not suitable for being pressed by the oral cavity of the experimental mouse to deform excessively, so that the cannula operation is influenced.
The cannula guide sleeve of this embodiment is suitable for one-time use.

Claims (8)

1. The utility model provides a mouse trachea cannula appurtenance which characterized in that, includes the intubate guide pin bushing, the intubate guide pin bushing includes throat cover and oral cavity expansion cover, oral cavity expansion cover is the toper cover, throat cover and oral cavity expansion cover are the thin wall cover, the throat cover is connected the minor diameter end of oral cavity expansion cover, oral cavity expansion cover is equipped with the location clamping piece.
2. A mouse trachea cannula aid according to claim 1, wherein the cannula guide is provided with a side slit which cuts through the side walls of the throat and mouth cavity dilating sleeves.
3. A mouse trachea cannula aid according to claim 1, wherein the cannula guide is provided with a tear which is an indentation which thins the side walls of the throat and mouth dilating sleeves.
4. The assistant tool for mouse trachea cannula according to claim 3, wherein the tearing mark comprises a first tearing mark and a second tearing mark, and the first tearing mark and the second tearing mark are symmetrically arranged on the side wall of the cannula guide sleeve.
5. The mouse trachea cannula auxiliary tool according to claim 4, wherein the first tear notch is formed in an outer side wall of the cannula guide, and the second tear notch is formed in an inner side wall of the cannula guide.
6. The mouse trachea cannula auxiliary tool according to claim 1, wherein the oral cavity expanding sleeve is provided with two positioning clamping pieces, and the positioning clamping pieces are elastic pieces corresponding to mouse mouth corners.
7. The rat trachea cannula auxiliary tool according to claim 1, further comprising a cannula column, wherein the cannula column comprises a throat sleeve column, the diameter of the throat sleeve column corresponds to an inner hole of the throat sleeve, the length of the throat sleeve column is larger than or equal to that of the throat sleeve, a propelling column is arranged at the rear end of the throat sleeve column, and the propelling column is provided with a taper corresponding to the oral cavity expansion sleeve.
8. The mouse trachea cannula auxiliary tool according to claim 7, wherein a ball head extending out of the throat sleeve is arranged at the front end of the throat sleeve column.
CN202221617231.3U 2022-06-27 2022-06-27 Mouse trachea cannula appurtenance Active CN218247487U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221617231.3U CN218247487U (en) 2022-06-27 2022-06-27 Mouse trachea cannula appurtenance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221617231.3U CN218247487U (en) 2022-06-27 2022-06-27 Mouse trachea cannula appurtenance

Publications (1)

Publication Number Publication Date
CN218247487U true CN218247487U (en) 2023-01-10

Family

ID=84757551

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221617231.3U Active CN218247487U (en) 2022-06-27 2022-06-27 Mouse trachea cannula appurtenance

Country Status (1)

Country Link
CN (1) CN218247487U (en)

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