CN214912158U

CN214912158U - Combined ventilation device of general anesthesia catheter laryngeal mask

Info

Publication number: CN214912158U
Application number: CN202120301648.8U
Authority: CN
Inventors: 石薇; 任益锋
Original assignee: Teaching Hospital of Chengdu University of TCM; West China Hospital of Sichuan University
Current assignee: Teaching Hospital of Chengdu University of TCM; West China Hospital of Sichuan University
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-30
Anticipated expiration: 2031-02-02

Abstract

The utility model relates to the technical field of medical equipment, a combined ventilation device of general anesthesia pipe laryngeal mask is disclosed, including cover bag and endotracheal tube, the cover bag sets up in endotracheal tube's end, alternate first spacing arch and the spacing arch of second of being provided with on endotracheal tube's the outer wall, be provided with the bite-block of activity suit on endotracheal tube between first spacing arch and the spacing arch of second, the one end both sides wall of keeping away from the cover bag on the bite-block is provided with the hanging strip that can fix in the back of the ear. The utility model discloses a set up the bite-block on endotracheal tube, can avoid leading to endotracheal tube to be obstructed because of the tooth interlock, set up the hanging strip simultaneously on the bite-block, can just can fix endotracheal tube without gluing, convenient to use, and can not bring for the patient and tear the uncomfortable sense of gluing.

Description

Combined ventilation device of general anesthesia catheter laryngeal mask

Technical Field

The utility model belongs to the technical field of medical instrument, especially relate to a combined ventilation device of general anesthesia pipe laryngeal mask.

Background

The laryngeal mask is used as a medical device for establishing an effective airway, and can be used for quickly establishing an artificial airway to avoid tracheal mucosa damage due to convenient use, has small stimulation on cardiovascular reflex during implantation, can be directly ventilated due to good implantation position of the laryngeal mask, and can complete short and small operations without anesthesia of patients at risk of backflow and aspiration; the intubating laryngeal mask can also be inserted into an endotracheal tube through the laryngeal mask on the basis of laryngeal mask ventilation so as to finish anesthesia requiring endotracheal intubation, so that the intubating laryngeal mask is widely applied to general anesthesia patients, patients for emergency treatment and resuscitation in operating rooms, ICUs and various departments, and patients with difficult airways. Particularly, the third generation double-tube laryngeal mask is widely applied to clinical anesthesia at present, and for some patients who accept short and small operations, only the supraglottic ventilation needs to be established, so that discomfort caused by tracheal intubation is avoided, and the medical comfort level is improved.

At present, the laryngeal mask is wound by using an adhesive tape in addition in clinic, and when the laryngeal mask is pulled out, time and labor are wasted when the adhesive tape is torn off due to the good adhesion of the adhesive tape and the skin, the workload of medical staff is increased, and the patient is suffered from pain.

Therefore, how to solve the above problems becomes a focus of research by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The first purpose of the utility model is to provide a combined ventilation device of a general anesthesia catheter and laryngeal mask, which solves the defects of the prior art.

The embodiment of the utility model is realized like this:

the utility model provides a general anesthesia pipe laryngeal mask combined ventilation device, includes cover bag and endotracheal tube, the cover bag sets up in endotracheal tube's end, be provided with first spacing arch and second spacing arch on the outer wall of endotracheal tube at intervals, be provided with the bite-block of activity suit on endotracheal tube between first spacing arch and the second spacing arch, the both sides wall of the one end of keeping away from the cover bag on the bite-block is provided with the suspender that can fix in the back of the ear.

Furthermore, an expanded wide-sheet joint part is arranged at the joint position of the suspension band and the ear back.

Further, the endoscope also comprises a drainage catheter, an endoscope channel and a mask air inflation tube.

Furthermore, the drainage catheter is arranged along the inner wall of the tracheal catheter in a veneering manner, and the outlet end of the tracheal catheter is positioned on the outer wall of the mask bag.

Furthermore, the endoscope channel is arranged along the outer wall of the tracheal catheter, and an expansion opening is formed in the side wall of the endoscope channel in the length direction.

Further, one end of the endoscope channel, which is far away from the cover sac, is provided with a conical flanging.

Furthermore, the mask sac inflation tube is arranged along the outer wall of the tracheal catheter, one end of the mask sac inflation tube is connected with the mask sac, and the other end of the mask sac inflation tube is provided with an inflation valve.

Furthermore, the inflation valve comprises a valve casing and a valve core, wherein an annular convex shoulder is arranged in the valve casing, an airflow channel is arranged in the middle of the annular convex shoulder, the valve core is arranged in the airflow channel in an I shape, the upper end of the valve core and the upper end face of the annular convex shoulder are arranged alternately, the lower end of the valve core is in limit fit with the lower end face of the annular convex shoulder, an upper abutting block is arranged on the upper end face of the annular convex shoulder, a guide column is arranged on the lower end face of the annular convex shoulder, the lower end of the valve core is slidably mounted on the guide column, a lower abutting block is arranged at the lower end of the guide column, and a spring sleeved on the guide column is arranged between the lower abutting block and the lower end of the valve core.

The utility model has the advantages that:

the utility model discloses a set up the bite-block on endotracheal tube, can avoid leading to endotracheal tube to be obstructed because of the tooth interlock, set up the hanging strip simultaneously on the bite-block, can just can fix endotracheal tube without gluing, convenient to use, and can not bring for the patient and tear the uncomfortable sense of gluing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a combined airway device of a general anesthesia catheter and laryngeal mask;

FIG. 2 is a schematic view of the structure of the inflation valve.

Icon: 1-mask sac, 2-tracheal catheter, 3-first limiting bulge, 4-second limiting bulge, 5-bite block, 6-suspension band, 7-wide piece fitting part, 8-drainage catheter, 9-endoscope channel, 10-mask sac inflation tube, 11-inflation valve, 1101-valve housing, 1102-valve core, 1103-annular shoulder, 1104-upper abutting block, 1105-guide column, 1106-lower abutting block, 1107-spring, 1108-air inlet, 1109-air outlet and 1110-exhaust pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected 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: 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 2, the present embodiment provides a combined ventilation device for a general anesthesia catheter and laryngeal mask, which includes a mask bag 1 and a tracheal catheter 2, wherein the mask bag 1 is disposed at a distal end of the tracheal catheter 2, a first limiting protrusion 3 and a second limiting protrusion 4 are disposed on an outer wall of the tracheal catheter 2 at an interval, a bite-block 5 sleeved on the tracheal catheter 2 is disposed between the first limiting protrusion 3 and the second limiting protrusion 4, the bite-block 5 is tubular, an inner diameter of the bite-block 5 is slightly larger than an outer diameter of the tracheal catheter 2 so as to ensure that the bite-block 5 can rotate freely on the tracheal catheter 2, two side walls of one end of the bite-block 5, which is far away from the mask bag 1, are integrally formed with a suspension ear, the suspension ear is connected with a suspension band 6, the suspension band 6 can be suspended on an ear back of a patient, and can adjust the suspension band 6 to a proper position in cooperation with the free rotation of the bite-block 5, so as to facilitate wearing, and an expanded wide sheet attaching part 7 is provided at a position where the suspension band 6 is attached to the back of the ear to reduce the strangulation to the back of the ear and prevent the occurrence of pressure sores.

Simultaneously, endotracheal tube 2's inside wall wainscot shaping has drainage catheter 8, drainage catheter 8's exit end is located the outer wall of cover bag 1, through drainage catheter 8 alright carry out the drainage operation to the gastric juice.

In addition, an endoscope channel 9 is arranged on the outer wall of the tracheal catheter 2, an expansion port is arranged on the side wall of the endoscope channel 9 in the length direction, the expansion port has certain plasticity and can deform to a certain extent, the endoscope channel 9 can adapt to endoscopes in different sizes through the arrangement of the expansion port, a conical flanging is arranged at one end, far away from the mask bag 1, of the endoscope channel 9, and therefore the endoscope can be conveniently inserted into the endoscope channel.

In this embodiment, the outer side wall of the endotracheal tube 2 is further provided with a mask inflation tube 10 in a fitting manner, one end of the mask inflation tube 10 of the mask 1 is connected with the mask 1, the other end of the mask inflation tube is provided with an inflation valve 11, the inflation valve 11 comprises a valve housing 1101 and a valve core 1102, the valve housing 1101 is provided with an air inlet 1108 and an air outlet 1109, the air inlet 1108 is provided with an inflation joint matched with an external inflation device, the air outlet 1109 is connected with the mask inflation tube 10, the center of the inner wall of the valve housing 1101 is provided with an annular shoulder 1103, the middle part of the annular shoulder 1103 is provided with an air flow channel, the air flow channel is internally provided with the valve core 1102 in an i shape, the upper end of the valve core 1102 and the upper end face of the annular shoulder 1103 are arranged alternately, the lower end of the valve core 1102 is in limit fitting with the lower end face of the annular shoulder 1103, the upper end face of the annular shoulder 1103 is provided with an upper support block 1104, and the lower end face of the annular shoulder 1103 is symmetrically provided with two guide columns 1105, the lower end of the guide column 1105 is connected with the inner bottom surface of the valve housing 1101, the lower end of the valve core 1102 is symmetrically provided with two guide holes, the valve core 1102 is slidably mounted on the guide column 1105 through the guide holes, the lower end of the guide column 1105 is fixedly provided with a lower abutting block 1106, a spring 1107 sleeved on the guide column 1105 is arranged between the lower abutting block 1106 and the lower end of the valve core 1102, in addition, the valve housing 1101 at the lower end of the valve core 1102 is provided with an exhaust pipe 1110, and the exhaust pipe 1110 is provided with an exhaust valve.

From the above, the use method of the combined ventilation device for the general anesthesia catheter and laryngeal mask provided by the embodiment is as follows:

firstly, opening the oral cavity of a patient, then inserting the mask bag 1 and the tracheal tube 2 into the patient, stopping intubation when the bite-block 5 reaches between the incisors of the patient, then inflating the mask bag 1 by using an external inflating device, wherein in the inflating process, gas compresses the valve core 1102, the valve core 1102 moves downwards, the upper end surface of the annular bulge is provided with an upper abutting block 1104, and the guide column 1105 is provided with a lower abutting block 1106, so that after the valve core 1102 moves downwards, the gas flow channel is opened, the gas passes through a gap between the valve core 1102 and the gas flow channel and a gap between the valve core 1102 and the valve housing 1101, reaches the mask bag 1 through the mask bag inflating tube 10, the inflation is completed, after the inflation is completed, the inflating device stops supplying gas, the valve core 1102 reseals the gas flow channel under the action of the spring 1107, and when the deflation is needed, the exhaust valve 1110 on the exhaust tube is opened. After inflation is complete, the suspension band 6 is secured to the back of the patient's ear, thereby securing the endotracheal tube 2. .

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a combined ventilation device of general anesthesia pipe laryngeal mask, includes cover bag (1) and endotracheal tube (2), cover bag (1) sets up in the terminal of endotracheal tube (2), its characterized in that: the outer wall of the tracheal catheter (2) is provided with first limiting bulges (3) and second limiting bulges (4) at intervals, tooth pads (5) movably sleeved on the tracheal catheter (2) are arranged between the first limiting bulges (3) and the second limiting bulges (4), and two side walls of one end, far away from the mask bag (1), of the tooth pads (5) are provided with suspension belts (6) capable of being fixed on the back of the ear.

2. The combined anesthesia catheter-laryngeal mask airway device of claim 1, wherein: an expanded wide-sheet joint part (7) is arranged at the joint position of the suspension band (6) and the ear back.

3. The combined anesthesia catheter-laryngeal mask airway device of claim 1, wherein: also comprises a drainage catheter (8), an endoscope channel (9) and a mask air inflation tube (11).

4. The combined anesthesia catheter-laryngeal mask airway device of claim 3, wherein: the drainage catheter (8) is arranged along the inner wall of the tracheal catheter (2) in a veneering manner, and the outlet end of the tracheal catheter (2) is positioned on the outer wall of the mask sac (1).

5. The combined anesthesia catheter-laryngeal mask airway device of claim 3, wherein: the endoscope channel (9) is arranged along the outer wall of the tracheal catheter (2), and an expansion opening is formed in the side wall of the endoscope channel (9) in the length direction.

6. The combined anesthesia catheter-laryngeal mask airway device of claim 3, wherein: one end of the endoscope channel (9) far away from the cover sac (1) is provided with a conical flanging.

7. The combined anesthesia catheter-laryngeal mask airway device of claim 3, wherein: the mask air inflation tube (11) is arranged along the outer wall of the tracheal catheter (2), one end of the mask air inflation tube (11) is connected with the mask bag (1), and the other end of the mask air inflation tube is provided with an air inflation valve (11).

8. The combined anesthesia catheter-laryngeal mask airway device of claim 7, wherein: the inflation valve (11) comprises a valve casing (1101) and a valve core (1102), an annular shoulder (1103) is arranged in the valve casing (1101), an air flow channel is arranged in the middle of the annular shoulder (1103), the air flow channel is internally provided with an I-shaped valve core (1102), the upper end of the valve core (1102) and the upper end surface of the annular shoulder (1103) are arranged alternately, the lower end of the valve core (1102) is in limit joint with the lower end surface of the annular shoulder (1103), an upper abutting block (1104) is arranged on the upper end face of the annular convex shoulder (1103), a guide post (1105) is arranged on the lower end face of the annular convex shoulder (1103), the lower end of the valve core (1102) is slidably arranged on the guide post (1105), the lower end of the guide post (1105) is provided with a lower abutting block (1106), and a spring (1107) sleeved on the guide column (1105) is arranged between the lower abutting block (1106) and the lower end of the valve core (1102).