CN217472522U

CN217472522U - Trachea cannula with anti-splashing device

Info

Publication number: CN217472522U
Application number: CN202123401149.5U
Authority: CN
Inventors: 严小莉; 张欢; 李娇
Original assignee: Affiliated Hospital of North Sichuan Medical College
Current assignee: Affiliated Hospital of North Sichuan Medical College
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-09-23
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of medical equipment, concretely relates to trachea cannula with prevent splash device, its characterized in that: including trachea cannula body and anti-splash device, anti-splash device with trachea cannula's air inlet is connected, avoids liquid secretion to spout to external environment trachea cannula's air inlet one end sets up anti-splash device, anti-splash device includes a column inflation portion, inflation portion one end with trachea cannula air inlet is connected, the inflation portion other end is used for breathing in and exhaling of patient, be provided with the filter equipment who is used for separating gas and liquid in the inflation portion, utilize filter equipment's the characteristic of separating gas and liquid makes trachea cannula provides good respiratory condition for the patient in, utilizes anti-splash device makes the liquid secretion of coughing out when patient takes place to cough by anti-splash device blocks, provides the protection for medical personnel and surrounding environment.

Description

Trachea cannula with anti-splashing device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to trachea cannula with prevent splash device.

Background

The endotracheal intubation refers to a technology of placing a special endotracheal intubation into a trachea through a glottis, and the technology can provide optimal conditions for smooth air passage, ventilation and oxygen supply, respiratory tract suction and prevention of aspiration; on the other hand, mechanical ventilation is performed by connecting a breathing machine to a breathing circuit after tracheal intubation, which is an important means for treating respiratory failure.

The prior art endotracheal tube is open near the operator end (tip), and in order to more easily align the tip of the endotracheal tube with the glottis position, the endotracheal tube core is typically required to assist in shaping the endotracheal tube. After the tip of the trachea cannula enters 2-3 cm of the glottis, the tube core of the trachea cannula is pulled out, and then the trachea cannula is inserted into the trachea. In the operation process, if a patient is choked, respiratory secretion, spray and the like of the patient can be sprayed out through the top end of the tracheal cannula, and aerosol is formed to pollute an operating doctor, a breathing machine and the surrounding environment. After the tracheal intubation is finished, the tracheal intubation is connected with a breathing machine through a breathing loop for mechanical ventilation, if sputum suction operation is needed in the mechanical ventilation process, the connection between the tracheal intubation and the breathing loop needs to be disconnected, and then the sputum suction tube is placed into the tracheal intubation, so that if a patient has a cough reaction, the splashed secretion of the patient can also pollute an operating doctor and the surrounding environment.

Therefore, there is a need for a transfusion stand that avoids the above problems during use.

Disclosure of Invention

The utility model aims to provide a: aiming at the problems that the splashed secretion is sprayed out from the top end of the tracheal cannula to pollute an operating doctor and the surrounding environment in the process of the choke reaction of a human body when the tracheal cannula is inserted into the human body at present.

In order to achieve the purpose of the invention, the utility model provides the following technical scheme:

the utility model provides a trachea cannula with prevent splash device, includes trachea cannula body and prevents splash device, prevent splash device with trachea cannula's air inlet is connected, avoids liquid secretion to spout to external environment.

As the preferential technical scheme of this application, prevent that splash device includes a column inflation portion, inflation portion one end with the trachea cannula air inlet is connected, the inflation portion other end is used for breathing in and exhaling of patient, be provided with the filter equipment who is used for separating gas and liquid in the inflation portion.

As the preferential technical scheme of this application, filter equipment sets up in keeping away from trachea cannula air inlet one end.

As the preferential technical scheme of this application, filter equipment is the loudspeaker form wholly, filter equipment opens the one end orientation trachea cannula air inlet one end.

In a preferred embodiment of the present invention, the sidewall of the enlarged portion is outwardly expanded to form a cross-sectional inner diameter larger than the inner diameter of the endotracheal tube.

As the preferential technical scheme of this application, filter equipment adopts ventilative waterproof material to make.

As the preferential technical scheme of this application, the swelling portion inner wall is provided with the layer that absorbs water.

As the prior technical scheme, a guide pipe is arranged in the expansion part and prevents the liquid filtered by the filtering device from flowing into the tracheal cannula again.

As a preferential technical solution of the present application, the guide tube and the enlarged portion are of an integrally formed structure.

As the prior technical scheme, the splash-proof device and the trachea cannula are in separable connection.

Compared with the prior art, the beneficial effects of the utility model are that:

in the scheme of this application, on utilizing traditional trachea cannula's basis trachea cannula's top sets up prevents the splash device, utilizes prevent that the splash device produces to choke the reaction of coughing to the patient, and the liquid secretion that splashes intercepts, through prevent the filter equipment that sets up in the splash device, intercept patient's secretion to discharge gas, prevent that the secretion from causing the pollution to the surrounding environment under the prerequisite of guaranteeing patient's breathing, and prevent to set up in the splash device absorb water the layer with the guiding tube prevents by the secretion that the splash device stopped flows in again in the trachea cannula provides good respiratory condition for the patient when carrying out trachea cannula's making.

Description of the drawings:

FIG. 1 is a schematic structural view of one embodiment of an endotracheal tube with a splash guard;

FIG. 2 is a schematic view of another perspective of an embodiment of an endotracheal tube having a splash guard;

FIG. 3 is a schematic cross-sectional view of the anti-splash device shown in FIG. 2;

the following are marked in the figure: 1-trachea cannula, 2-splash-proof device, 201-expansion part, 202-filtering device, 203-guide tube, 204-water absorption layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them.

Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and the features and technical solutions in the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that a person skilled in the art would conventionally understand, and such terms are only used for convenience of description and simplification of the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows: as shown in reference to figures 1-3,

the utility model provides a trachea cannula with prevent splash device, includes 1 body of trachea cannula and prevents splash device 2, prevent splash device 2 with trachea cannula 1's air inlet is connected, avoids liquid secretion to spout to external environment.

Specifically, the trachea cannula needs to be continuously moved to a proper position in the patient body in the operation process, so that a good breathing condition is provided for the respiratory tract of the patient, but in the moving process of the trachea cannula, the respiratory tract of the patient can generate a cough phenomenon due to the entering of foreign matters, and when the cough phenomenon occurs to the patient because one end of the air inlet of the traditional trachea cannula is kept open for the smooth breathing of the patient, secretion and saliva in the patient body can be ejected from the top end of the trachea cannula along with the coughed airflow, so that medical staff operating the trachea cannula and the surrounding environment are polluted, the inventor arranges the splash-proof device 2 at one end of the air inlet of the trachea cannula 1 on the basis of the traditional trachea cannula, so that the trachea cannula 1 can provide a good breathing condition for the patient, and simultaneously, the liquid secretion coughed by the patient when the cough phenomenon occurs is blocked by the splash-proof device 2, providing protection for medical personnel and the surrounding environment.

As a preferred embodiment, based on the above manner, further, the anti-splash device 2 includes a cylindrical bulge 201, one end of the bulge 201 is connected to the air inlet of the endotracheal tube 1, the other end of the bulge 201 is used for the patient to inhale and exhale, a filter device 202 for separating air and liquid is disposed in the bulge 201, the characteristics of the filter device 202 for separating air and liquid are utilized to prevent the secretion and saliva expectorated by the patient from being blocked by the filter device 202 and at the same time prevent the filter device 202 from influencing the normal respiration of the patient, and the filter device 202 is disposed in the bulge 201, so that the secretion and saliva expectorated by the patient can be retained in the bulge 201, and further prevent the secretion and saliva expectorated by the patient from polluting the surrounding environment.

In a preferred embodiment, in addition to the above-mentioned aspect, the filter 202 is provided at one end away from the air inlet of the endotracheal tube 1, and the air flow rate is increased due to a large air flow during coughing of the patient while the air flow of the patient is blocked by the filter 202, and the air flow rate coughed by the patient is decreased by adjusting the distance between the filter 202 and the endotracheal tube 1, so that the filter 202 can have a sufficient filtering time and the filtering effect of the filter 202 is further improved.

In a preferred embodiment, in addition to the above-mentioned manner, the filtering device 202 is integrally flared, the open end of the filtering device 202 faces the air inlet end of the endotracheal tube 1, when the patient fails to adapt to the intubation procedure of the endotracheal tube 1 and continues to cough, the secretion coughed by the patient increases, the secretion is retained on the surface of the filtering device 202 after being intercepted by the filtering device 202, when the secretion coughed by the patient increases gradually, the secretion forms a condensation on the surface of the filtering device 202, when the intercepted secretion reaches a certain amount, the condensed secretion drops in the filtering device 202, a part of the secretion may fall back into the endotracheal tube 1, the filtering device 202 is designed to be flared, so that the patient's coughed secretion remains on the surface of the filtering device 202, by the trumpet shape of the filtering device 202, the secretion can flow to the side wall of the expansion part 201, so that the residual secretion is prevented from falling into the tracheal cannula 1 again, and a good breathing condition is further provided for a patient.

In a preferred embodiment, in addition to the above manner, the sidewall of the bulge 201 is expanded outward to form a cross-sectional inner diameter larger than the inner diameter of the endotracheal tube 1, when a patient coughs, the flow of the air flow coughed by the patient is much larger than the flow of the air flow when the patient normally breathes, which results in an increase in the flow rate of the air flow passing through the endotracheal tube 1, and in order to allow the filter device 202 to adequately filter the air flow coughed by the patient, the inner diameter of the bulge 201 is increased, so that when the air flow coughed by the patient passes through the bulge 201, the flow rate of the air flow is decreased to provide the filter device 202 with adequate filtering time, thereby ensuring the filtering effect of the filter device 202.

In a preferred embodiment, in addition to the above-mentioned mode, the puffy part 201 is made of an elastic material, and the inner diameter of the puffy part 201 is larger than that of the endotracheal tube 1, and the puffy part 201 is made of an elastic material, so that when a patient expectorates a large amount of gas, the flow rate of the gas in the puffy part 201 is further buffered by the flow rate of the gas passing through the puffy part 201, and the flow rate of the gas in the puffy part 201 is further reduced by the elastic material of the puffy part 201, so that the filter 202 can sufficiently filter the gas expectorated by the patient, and the problem that the gas expectorated by the patient cannot be sufficiently filtered by the filter 202 due to the excessively high flow rate of the gas by the secretion expectorated by the patient is avoided.

Example two: as shown with reference to figures 1-3,

the difference between the present embodiment and the first embodiment is: in the practical operation process according to the first embodiment, the inventor found that the anti-splash filter device can prevent the secretion expectorated by the patient from being ejected, but the secretion expectorated by the patient still remains in the swollen part, when the patient frequently coughs, the secretion expectorated by the patient forms a coagulated bead, flows to the inner wall of the swollen part through the trumpet shape of the filter device, and further the secretion expectorated by the patient flows to the tracheal cannula again along with the inner wall of the swollen part, the inner wall of the swollen part is provided with the water absorbing layer, and the liquid flowing to the swollen part from the filter device is absorbed by the water absorbing layer.

As a preferred embodiment, on the basis of the above manner, further, the inner wall of the enlarged part 201 is provided with a water absorbing layer 204, when a patient coughs due to the operation of the endotracheal tube 1, when the patient frequently coughs, the secretion of the patient remains on the surface of the filter 202, the multiple coughs by the patient may cause the secretion of the patient to remain on the surface of the filter 202, and the secretion of the patient may flow to the inner wall of the enlarged part 201 along with the filter 202, but when the secretion of the patient reaches a certain amount, the secretion of the patient may flow to the air inlet end of the endotracheal tube 1 again along with the inner wall of the enlarged part 201, in order to prevent the secretion of the patient from flowing to the air inlet of the endotracheal tube 1 again, the water absorbing layer 204 is provided on the inner wall of the enlarged part 201, and the secretion of the patient is absorbed by the water absorbing layer 204, prevent secretion of the patient from flowing to the air inlet of the tracheal cannula 1 again, and prevent the splash-proof device 2 from influencing the patient.

Example three: as shown with reference to figures 1-3,

the difference between the present embodiment and the first embodiment is: in the practical operation process according to the first embodiment, the inventor finds that the secretion coughed by the patient is prevented from being ejected into the air by the splash-proof device, and the secretion coughed by the patient is retained in the splash-proof device by the splash-proof device, but during the intubation process, the cough of the patient cannot be controlled by medical staff, the adaptability of part of the patient is low, the patient frequently turns over to cough, the secretion of the patient remained in the splash-proof device is more, and the secretion of the patient flows into the tracheal cannula again, further, in the second embodiment, the water absorption layer is arranged on the inner wall of the expansion part, the secretion of the patient is collected by the water absorption layer, the secretion of the patient is prevented from flowing into the patient through the tracheal cannula again, but the secretion of the patient is too much, the water absorption layer cannot absorb the secretion of the patient continuously, the air inlet of the tracheal cannula can be still flowed to by the secretion of the patient along with the inner wall of the expansion part, the top ends of the expansion part and the tracheal cannula are provided with the guide tubes, and the guide tubes are used for preventing the secretion of the inner wall of the expansion part from flowing into the tracheal cannula again, so that the influence on the patient is avoided.

In a preferred embodiment, in addition to the above-mentioned embodiment, a guiding tube 203 is further disposed in the enlarged part 201, the guiding tube 203 is used for preventing the liquid filtered by the filtering device 202 from flowing into the endotracheal tube 1 again, when the water-absorbing layer 204 is full of secretions, the excess secretions flow to the air inlet of the endotracheal tube 1 along with the inner wall of the enlarged part 201, the guiding tube 203 is disposed in the enlarged part 201, and the guiding tube 203 is used for preventing the secretions from entering the endotracheal tube 1, thereby preventing the splash-proof device 2 from affecting the patient.

In addition to the above-mentioned embodiment, in a preferred embodiment, the guide tube 203 and the enlarged part 201 are integrally formed, the guide tube 203 is configured to prevent secretion discharged from the patient from flowing into the endotracheal tube 1 again, in order to prevent the patient secretion from flowing into the endotracheal tube 1 through the gap between the guide tube 203 and the enlarged part 201 due to the gap between the guide tube 203 and the enlarged part 201, the guide tube 203 and the enlarged part 201 are configured to be integrally formed, and the guide tube 203 is configured to prevent the patient secretion from flowing into the endotracheal tube 1.

Example four: as shown in reference to figures 1-3,

the difference between this embodiment and the first embodiment is: in the practical operation process according to the first embodiment, the inventor finds that the splash guard prevents the patient from protecting the surrounding environment in case of cough, and in the third embodiment, the guide tube is used to avoid the secretion coughed by the patient from being too much, so that the secretion of the patient can flow into the tracheal cannula again, but the splash guard can only collect the secretion coughed by the patient in case of cough, and cannot treat the secretion of the patient in the splash guard, so the inventor designs the splash guard as a separable structure with the tracheal cannula, so that the splash guard can be replaced when the splash guard can not collect the secretion coughed by the patient continuously in the use process, and can ensure that the tracheal cannula is still inserted for replacement, thereby avoiding the operation of reinserting the tracheal cannula, can be convenient for medical personnel, avoid trachea cannula removes in the internal repetition of patient, further aggravate the possibility that the patient coughs.

In a preferred embodiment, in addition to the above-mentioned mode, the anti-spattering device 2 is detachably connected to the endotracheal tube 1, the anti-spattering device 2 provides a good breathing condition for the patient, and simultaneously prevents the secretion expectorated by the patient from polluting the surrounding environment, but the anti-spattering device 2 only has the effect of filtering and collecting the secretion expectorated by the patient, and cannot treat the secretion already collected in the anti-spattering device 2, so that when the anti-spattering device 2 is used for a long time, the secretion expectorated by the patient is too much, which causes the secretion of the patient in the anti-spattering device 2 to flow into the endotracheal tube 1 again, and in order to further prevent the secretion expectorated by the patient from flowing into the patient again, the anti-spattering device 2 and the endotracheal tube 1 are designed to be detachably connected, the anti-splashing device 2 is used for a long time, the anti-splashing device 2 is replaced, the secretion coughed by the patient can be continuously filtered, the influence on the surrounding environment caused by the secretion coughed by the patient is prevented, meanwhile, the influence on the patient caused by the anti-splashing device 2 is prevented, further, in the replacement process of the anti-splashing device 2, the tracheal cannula 1 can be kept in a state of being inserted into the human body, the tracheal cannula 1 is kept in a stable insertion state, the cough of the patient can be prevented, the possibility of the cough of the patient in the process of replacing the anti-splashing device 2 is further reduced, and the possibility of pollution on the surrounding environment caused by the cough of the patient is further reduced.

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.

Claims

1. The utility model provides a trachea cannula with prevent splash device which characterized in that: including trachea cannula (1) body and anti-splash device (2), anti-splash device (2) with the air inlet of trachea cannula (1) is connected, avoids liquid secretion to spout to external environment.

2. An endotracheal tube with splash guard according to claim 1 characterized in that: the splash-proof device (2) comprises a columnar expansion part (201), one end of the expansion part (201) is connected with the air inlet of the tracheal cannula (1), the other end of the expansion part (201) is used for inhaling and exhaling of a patient, and a filtering device (202) used for separating air and liquid is arranged in the expansion part (201).

3. An endotracheal tube with splash guard according to claim 2 characterized in that: the filtering device (202) is arranged at one end far away from the air inlet of the tracheal cannula (1).

4. An endotracheal tube with splash guards according to claim 3, characterized in that: the integral horn-shaped filtering device (202) is characterized in that one end of the filtering device (202) is open and faces one end of an air inlet of the trachea cannula (1).

5. An endotracheal tube with splash guard according to claim 4 characterized in that: the side wall of the swelling part (201) expands outwards to form a section with an inner diameter larger than that of the tracheal cannula (1).

6. An endotracheal tube with splash guard according to claim 5 characterized in that: the expansion part (201) is made of elastic materials.

7. An endotracheal tube with splash guard according to any one of claims 2 to 6, characterized in that: the inner wall of the expansion part (201) is provided with a water absorption layer (204).

8. An endotracheal tube with splash guard according to any one of claims 2 to 6, characterized in that: a guide pipe (203) is arranged in the expansion part (201), and the guide pipe (203) is used for preventing the liquid filtered by the filtering device (202) from flowing into the tracheal cannula (1) again.

9. An endotracheal tube with splash guard according to claim 8 characterized in that: the guide tube (203) and the expansion part (201) are of an integrally formed structure.

10. An endotracheal tube with splash guard according to any one of claims 1 to 6, characterized in that: the splash-proof device (2) is detachably connected with the tracheal cannula (1).