CN219462230U - Double-lumen bronchus plugging device - Google Patents

Abstract

The utility model discloses a double-lumen bronchus plugging device which comprises a first plugging device, a second plugging device, a distal rotating tube and a proximal connecting tube, wherein a first plugging device balloon and a first balloon inflation valve which are matched are arranged on the first plugging device, a second plugging device balloon and a second balloon inflation valve which are matched are arranged on the second plugging device, the inner lumen of the first plugging device and the inner lumen of the second plugging device are both hollow structures, the front ends of the first plugging device and the second plugging device are both provided with plugging device plugs, one end of the distal rotating tube is provided with a plugging device channel for the first plugging device and the second plugging device to penetrate, the other end of the distal rotating tube is connected with the proximal connecting tube, a bronchoscope inlet structure and a threaded tube structure are respectively arranged on the proximal connecting tube, and a tracheal catheter interface is arranged at the rear end of the proximal connecting tube, and a bronchoscope inlet plug is arranged on the bronchoscope inlet structure. The utility model aims at providing a double lumen bronchus occluder which improves the realizability of the operation of the occluder and the safety of the clinical operation.

Description

A double-lumen bronchial occluder

technical field

The utility model relates to the technical field of tracheal intubation, in particular to a double-lumen bronchial occluder.

Background technique

Isolation lung ventilation is a commonly used ventilation technique in thoracic surgery. When performing lung tissue surgery in the thoracic cavity, it is necessary to prevent the lung tissue from being in the ventilation process, otherwise it will lead to difficult operation and gas leakage. However, patients need continuous mechanical ventilation during the operation to maintain the continuous exchange of oxygen in the blood and ensure the continuous supply of oxygen to important tissues and organs. In the process of thoracic surgery, it is necessary to prevent the ventilation of the lung tissue on the surgical side from affecting the surgical operation, and at the same time to ventilate the lung tissue on the non-operative side, so the isolated lung ventilation technology was invented. The isolated lung ventilation technique can achieve the effect of mechanically ventilating only the lung tissue on the non-operated side during the operation while avoiding mechanical ventilation on the operated side lung tissue. During the use of the isolated lung ventilation technique, the anesthesiologist can maintain The collapsed state of the lung tissue on the surgical side provides a better surgical field and surgical conditions for the surgeon.

Existing isolated-lung ventilation techniques include:

1. Insert a single-lumen endotracheal tube into the operated side of the lung for isolated lung ventilation. The disadvantage of this technique is that it is difficult to restore the ventilation of the isolated non-ventilated side lung during the operation, and it is difficult to change the double-lung ventilation operation in the case of emergency hypoxemia. Lung ventilation, but the subsequent isolated lung ventilation needs to adjust the depth of the single-lumen endotracheal tube again and enter the correct bronchial lumen, which makes it difficult to fix and align the single-lumen endotracheal tube, and there is a risk of the endotracheal tube falling off during the operation. In addition, after the catheter is inserted into the target bronchus, it can only ventilate the side bronchus, and secretions or blood on the surgical side cannot be sucked in time, and it is easy to pollute the non-operative side lung after the operation.

2. Double-lumen endotracheal tube intubation for lung isolation ventilation. The disadvantage of this technique is that the double-lumen endotracheal tube is made in a standard shape, lacks individualized treatment, and it will be difficult to align when the patient has anatomical variation of the bronchial opening.

Utility model content

The purpose of this utility model is to provide a double-lumen bronchial occluder which improves the feasibility of the occluder alignment operation and the safety of clinical operation, so as to solve the problems in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A double-lumen bronchial occluder, comprising a first occluder, a second occluder, a distal rotating tube and a proximal connecting tube, the first occluder is equipped with a supporting first occluder The balloon and the first balloon inflation valve, the second occluder balloon and the second balloon inflation valve are installed on the second occluder, the first occluder and the second occluder The internal lumens of both are hollow structures and the front ends of both are provided with an occluder to block, and one end of the distal rotating tube is provided with an occluder passage for the first occluder and the second occluder to penetrate. , the other end of the distal rotating tube is connected to the proximal connecting tube, and the proximal connecting tube is respectively provided with an inlet structure of a bronchoscope and a threaded tube structure, and the rear end is provided with an endotracheal tube interface, and the fiber branch The bronchoscope inlet plug is arranged on the mirror inlet structure.

Further, one end of the distal rotating tube is provided with two extensions, and the ends of the extensions are symmetrically provided with occluder slots adapted to the first occluder and the second occluder.

Further, the section of the first occluder close to the first occluder balloon is an arc section, and an included angle is formed between the arc section and the extension line of the lumen of the straight section of the first occluder .

Further, the bottom of the first occluder is provided with a side channel, the second occluder passes through the side channel, and the second occluder balloon passes through the side channel.

Further, the outer wall of one end of the distal rotating tube is provided with an anti-slip strip.

Further, the rear end of the distal rotating tube is provided with a rotating interface, and the rotating interface is connected to the interface part of the proximal connecting tube.

Further, the proximal connecting tube is connected to a single-lumen endotracheal tube through an endotracheal tube interface, and the single-lumen endotracheal tube is provided with a balloon structure and an endotracheal tube opening.

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

(1) This application sets the first occluder and the second occluder to form a double-lumen structure. When one of the occluders is used to occlude the bronchial opening, the clinician can use the lumen of the other occluder as a Operate the channel to suction secretions and hemorrhage or use its lumen to administer local anesthetics.

(2) The balloon end of the first occluder is provided with an arc section, and the balloon end of the second occluder has no arc section. Such a joint design makes the first occluder and the second occluder complement each other , can respectively align the bronchial openings with different angles, increasing the achievable range of the occluder balloon alignment.

(3) Rotating the distal rotating tube can drive the first occluder and the second occluder to rotate, and this operation can be completed with one hand, so that clinicians can observe the bronchoscope while rotating the occluder, It reduces the operation bottleneck of the occluder balloon aligning the bronchial opening, improves the feasibility of the occluder aligning operation, shortens the operation time and reduces the risk of hypoventilation and hypoxemia caused by difficult operation. Ultimately achieve the effect of improving the clinical safety of patients.

Description of drawings

Fig. 1 is the main view perspective structure schematic diagram of the present utility model;

Fig. 2 is the structural representation of the first occluder and the second occluder of the present utility model;

Fig. 3 is a schematic structural view of the distal rotating tube of the present invention;

Fig. 4 is a schematic structural view of the proximal connecting tube of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

As shown in Figure 1-2, the utility model is a double-lumen bronchial occluder. The first occluder 2 is provided with a first occluder balloon 17 and a first balloon inflation valve 13 matched therewith. The second occluder 8 is provided with a second occluder balloon 19 and a second balloon inflation valve 16 that cooperates with it. 19 is inflated and deflated, and when the syringe is removed, the first balloon inflation valve 13 and the second balloon inflation valve 16 are automatically closed to avoid the collapse of the first occluder balloon 17 and the second occluder balloon 19, This is the prior art and will not be described in detail. The lumens of the first occluder 2 and the second occluder 8 are both hollow structures and a occluder plug 1 is connected to the left end of the two. When the occluder plug 1 is opened, the lumens of the above two occluders It is in the open state, and it is in the closed state when the cover is closed. A section of the first occluder 2 close to the balloon 17 of the first occluder is an arc section 201, and the rest is a straight section. The lumen of the arc section 201 is formed between the extension line of the lumen of the straight section. angle. The bottom of the first occluder 2 is connected with a side pipe 18 , the second occluder 2 passes through the side pipe 18 and the second occluder balloon 19 passes through the side pipe 18 .

As shown in FIG. 3 , the left end of the distal rotating tube 3 is provided with two occluder passages 20 up and down, and this end is also formed with two extensions arranged symmetrically up and down and protruding to the left. The end is symmetrically provided with occluder slots 9, and the shape of the occluder slots 9 is compatible with the first occluder 2 and the second occluder 8, and the first occluder 2 and the second occluder 8 Penetrate into the two occluder channels 20 respectively, and when the two occluders need to be fixed, insert the first occluder 2 and the second occluder 8 into the upper and lower two occluder slots 9 for fixing That's it. The outer wall of the distal rotating tube 3 is provided with an anti-slip strip 21 along the circumference near the left end, and a rotating interface 22 is provided at the right end, and the rotating interface 22 is connected with the interface of the proximal connecting tube 6 . When holding the anti-slip strip 21 and twisting the distal rotary tube 3, the distal rotary tube 3 rotates relative to the proximal connecting tube 6 and drives the second occluder 8 and the first occluder through the action of the occluder channel 20. 2, when the first occluder 2 rotates, the arc segment 201 also rotates, thereby positioning the first occluder balloon 17 at the bronchial opening.

When there is an angle between the target bronchial opening and the extension line of the main duct of the first occluder 2, the first occluder balloon 17 is aligned to the target bronchial opening through the rotation of the first occluder 2, and then the first occluder is adjusted 2 depth to make the first occluder balloon 17 enter the bronchus for occlusion. Since the balloon end of the second occluder 8 is designed without an arc section, when the depth of the second occluder 8 is adjusted, the second occluder balloon 19 can move along the extension line of the main pipeline of the first occluder 2, When the target bronchial opening is located on the extension line of the main duct of the first occluder 2, the arc section 201 at the far end of the first occluder 2 will make it difficult to insert the first occluder balloon 17 into the bronchial opening. The depth of the second occluder 8 can be adjusted to place the second occluder balloon 19 into the bronchus for occlusion.

As shown in FIG. 4 , the proximal connecting tube 6 has a bronchoscopic inlet structure 4 equipped with a bronchoscope inlet plug 24. The bronchoscope is a kind of electronic flexible mirror, which can collect images at the end and convert the images to It is an existing technology to conduct conduction to guide the clinician's clinical operation. The bronchofiberscope enters the single-lumen endotracheal tube 7 from the bronchoscope inlet structure 4 and enters the main airway cavity of the patient to observe the alignment of the first occluder 2 and the second occluder 8 above. The proximal connecting tube 6 is provided with a threaded tube interface 5 for connecting a threaded tube and an endotracheal tube interface 23 for connecting a single-lumen endotracheal tube 7 . The threaded tube is the prior art, and it is a part of the respiratory circuit when the ventilator performs mechanical ventilation on the patient. The single-lumen endotracheal tube 7 is a commonly used endotracheal tube in clinical practice. The tube wall has a balloon structure 11, which can seal the outside of the single-lumen endotracheal tube 7 Space between the wall and the mucosa of the main airway.

When the ventilator performs mechanical ventilation through the threaded tube and the proximal connecting tube 6, the gas is sent to the opening 12 of the tracheal tube along the threaded tube, the proximal connecting tube 6, and the single-lumen endotracheal tube 7, and enters the main airway cavity of the patient. and in the bronchi, followed by gas exchange. During mechanical ventilation, the pressure at the opening 12 of the endotracheal tube increases, and the gas cannot flow to the patient's mouth along the gap between the outer wall of the single-lumen endotracheal tube 7 and the mucosa of the main airway. The blood in the artery exchanges gas, and oxygen is delivered to the blood. When the first occluder balloon 17 or the second occluder balloon 19 enters the lumen of a side bronchus and is inflated, the lumen of the side bronchus is correspondingly closed. The blockage of the first occluder 2 or the second occluder 8 prevents the gas from entering. At this time, the gas can only enter the bronchi of the lung tissue on the other side, thereby achieving the purpose of isolating the lung for ventilation.

This bronchial occluder is inserted into the patient's main airway through a single-lumen endotracheal tube 7, and the side bronchial cavity can be closed by placing the first occluder balloon 17 or the second occluder balloon 19 into the bronchial lumen and inflating it. bronchial lumen. When the first occluder 2 is used for bronchial occlusion, the second occluder 8 can suck secretions and bleeding during the operation, reducing the risk of secretions entering the ventilated side and causing hypoxemia. The second occluder 8 has a hollow lumen structure, and when connected to negative pressure suction, it can suck intraoperative secretions and bleeding through the opening of the balloon end. At the same time, the second occluder 8 can be adjusted in depth independently of the first occluder 2, and the second occluder 8 can be rotated by the rotation of the distal rotating tube 3, and the opening at the balloon end can be turned to a proper position Perform negative pressure suction. The adjustment of the position of the second occluder 8 can be positioned by a bronchoscope, and the proximal connecting tube 6 has a bronchoscope inlet 4, from which the bronchoscope is introduced into the lumen of the single-lumen endotracheal tube 7 and blocked. Guidance on the suction operation of the device. At the same time, the outer diameter of the lumen of the single-lumen endotracheal tube is thinner than that of the double-lumen endotracheal tube, which improves the operability of endotracheal intubation, and can be used to perform endotracheal intubation for patients with difficult airways In case of emergency hypoxemia, the balloons of the two occluders can be released for double-lung ventilation and the position of the occluder remains unchanged. The balloon can be inflated; the patient can deflate the balloon before adjusting the body position, thereby avoiding bronchial mucosal irritation caused by body position adjustment, as well as secondary complications such as coughing, pneumothorax, wound laceration, and circulatory fluctuations during the extubation period.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A double-lumen bronchial occluder is characterized in that it comprises a first occluder (2), a second occluder (8), a distal rotating tube (3) and a proximal connecting tube (6) , the first occluder (2) is equipped with a matching first occluder balloon (17) and the first balloon inflation valve (13), and the second occluder (8) is equipped with The matching second occluder balloon (19) and the second balloon inflation valve (16), the internal lumens of the first occluder (2) and the second occluder (8) are all hollow structures And both front ends are provided with an occluder plug (1), and one end of the distal rotating tube (3) is provided with a plug for the first occluder (2) and the second occluder (8) to penetrate. The occluder channel (20), the other end of the distal rotating tube (3) is connected to the proximal connecting tube (6), and the proximal connecting tube (6) is respectively provided with a bronchoscope inlet structure ( 4) and the threaded tube structure (5) and the rear end is provided with an endotracheal tube interface (23), and the bronchoscope inlet structure (4) is provided with a bronchoscope inlet plug (24). 2. A double-lumen bronchial occluder according to claim 1, characterized in that: one end of the distal rotating tube (3) is provided with two extensions, and the ends of the extensions are arranged symmetrically There are occluder slots (9) adapted to the first occluder (2) and the second occluder (8). 3. A double-lumen bronchial occluder according to claim 2, characterized in that: a section of the first occluder (2) close to the first occluder balloon (17) is an arc-shaped section (201), an included angle is formed between the arc segment (201) and the extension line of the lumen of the straight segment of the first occluder (2). 4. A kind of double-lumen bronchial occluder according to claim 3, characterized in that: the bottom of the first occluder (2) is provided with side pipes (18), and the second occluder (8) Through the side tube (18) and the second occluder balloon (19) is passed out of the side tube (18). 5. A double-lumen bronchial occluder according to claim 4, characterized in that: the outer wall of one end of the distal rotating tube (3) is provided with an anti-slip strip (21). 6. A double-lumen bronchial occluder according to claim 5, characterized in that: the rear end of the distal rotating tube (3) is provided with a rotating interface (22), and the rotating interface (22) Connect with the interface part of the proximal connecting tube (6). 7. A kind of double-lumen bronchial occluder according to claim 6, characterized in that: the proximal connecting tube (6) is connected to a single-lumen endotracheal tube (7) through an endotracheal tube interface (23), the The single-lumen endotracheal catheter (7) is provided with a balloon structure (11) and an endotracheal catheter opening (12).