CN113974753A

CN113974753A - Bronchus plugging device

Info

Publication number: CN113974753A
Application number: CN202111477854.5A
Authority: CN
Inventors: 王明仓; 彭正; 曹东航; 陈玲阳; 项海飞; 林峰; 曹建斌
Original assignee: Taizhou Enze Medical Center Group
Current assignee: Taizhou Enze Medical Center Group
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-01-28
Anticipated expiration: 2041-12-06
Also published as: CN113974753B

Abstract

The invention provides a bronchial occluder, and belongs to the technical field of medical instruments. It has solved the inconvenient problem of current bronchus plugging device intubate. This bronchus plugging device, including body and the cover bag portion of setting in body one end, the body includes this body section, deformation section and atress section along length direction in proper order, cover bag portion is connected with the atress section, still be equipped with the driving piece in the body just the driving piece can drive the deformation section and take place to buckle and make and form the contained angle between atress section and the body section. This bronchus plugging device passes through the straight tube and inserts to can make the body automatic bending type realize turning through the driving piece when inserting the department of turning, whole intubate process is smooth and easy unimpededly, has improved the convenience of intubate operation.

Description

Bronchus plugging device

Technical Field

The invention belongs to the technical field of medical instruments, and relates to a bronchial occluder.

Background

The surgical operation is a common method for treating thoracic surgery diseases, in recent years, the thoracic surgery is continuously developed and matured, the types of the thoracic surgery are continuously increased, besides various lung cancer radical surgeries, thoracoscopic minimally invasive surgeries are also generated, and the range of diseases which can be treated is also continuously expanded. In thoracic surgery, lung isolation is often needed to isolate the affected lung from the contralateral lung, so as to block the main bronchus of the affected side, and to perform unilateral lung ventilation on the healthy side. Currently, the single lung ventilation methods are commonly used, such as double lumen bronchial catheter method and bronchial occluder method. The bronchus stopper is a novel bronchus blocking catheter, and compared with a common double-cavity bronchus catheter, the bronchus stopper has the advantages of simple intubation and positioning, large effective lumen, complete lung isolation, small physiological interference and the like.

Current bronchus plugging device all includes body 1, sets up at the terminal cover bag 1a of body and sets up and can carry out gas filled aerating device to cover bag 1a at 1 head end of body, because at the intubate in-process, the trachea surface of human throat department can be drawn across to body 1 unavoidable, causes the fish tail. Therefore, in order to avoid the scratch caused by the intubation, before the intubation, an inflation-free laryngeal mask 8 (as shown in fig. 1) is inserted in the throat, the shape of the laryngeal mask 8 is more consistent with the contour of the throat of a human body, the scratch cannot be caused, and then the bronchial occluder is inserted into the air passage of the laryngeal mask. Due to the unique anatomical features of the human body, the junction between the mouth and the throat of the human body is a curved channel, and therefore the airway of the laryngeal mask 8 is also a curved channel, and during intubation, the end of the tube 1 will abut against the inner wall of the corner of the airway of the laryngeal mask 8, and smooth insertion cannot be achieved (as shown in fig. 2).

In order to solve the problem of difficult insertion at the bend, the conventional method is to bend the end of the tube body, such as the bronchial cannula disclosed in the chinese patent application (application No. 201620248732.7), the information visualization bronchial cannula disclosed in the chinese patent application (application No. 201821398163.X), the bronchial occluder disclosed in the chinese patent application (application No. 201620922643.6), the bronchial occluder disclosed in the chinese patent application (application No. 201911171413.5), and the like. Although foretell the setting of buckling can make its realize smooth and easy insertion in laryngeal mask airway's turning, however, in order to guarantee the open comfort level of human mouth, the corresponding all less of size of the passageway of one end laryngeal mask front half section, the size of passageway is only a bit bigger than the pipe diameter of body, consequently, during the intubate, the tip that the body has the cover bag can support and press on the inner wall of laryngeal mask front half section, thereby produce great frictional resistance, thereby increased the degree of difficulty of intubate, make the intubate comparatively inconvenient.

Disclosure of Invention

The invention aims to provide a bronchial occluder aiming at the problems in the prior art, and the invention aims to solve the technical problems that: how to solve the inconvenient problem of current intubate.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a bronchus plugging device, includes body and the cover bag portion of setting in body one end, its characterized in that, the body includes this body section, deformation section and atress section along length direction in proper order, cover bag portion is connected with the atress section, still be equipped with the driving piece in the body just the driving piece can drive the deformation section and take place to buckle and make and form the contained angle between atress section and the body section.

This bronchus plugging device's body adopts medical plastics to make, the body is the syllogic structure, under the normal condition, the deformation section does not take place to buckle, the body is the straight tube form, its tip can not take place to support with the inner wall of laryngeal mask first section behind the body insertion laryngeal mask, can be smooth and easy insert, when the body inserts the corner of laryngeal mask, take place to buckle through controlling driving piece drive deformation section, make and form the contained angle between stress section and the body section, realize turning promptly at the corner is automatic, make smooth through the corner wear out the bronchus of inserting the human body from the exit end of laryngeal mask, accomplish the intubate. This bronchus plugging device passes through the straight tube and inserts to can make the body automatic bending type realize turning through the driving piece when inserting the department of turning, whole intubate process is smooth and easy unimpededly, has improved the convenience of intubate operation.

In the above bronchus stopper, the driving member includes a pull wire, the inner wall of the body section is provided with a guide boss protruding inwards, the guide boss is provided with a through hole, one end of the pull wire is fixedly connected to the inner wall of the force-bearing section, the other end of the pull wire penetrates through the through hole and penetrates out of the body, and a connecting line between a connecting point of the pull wire and the inner wall of the force-bearing section and a central point of the through hole is inclined relative to the axis of the body section. Through the setting of direction boss, make act as go-between and be the slope form after being straightened, the pulling force direction that the atress section received also is the slope, can know through the decomposition of power, the atress section can be dragged toward radial direction, because this body section and the hardness of atress section all are greater than the deformation section, the deformation section atress takes place to buckle, make to form the contained angle between atress section and the body section and be the form of buckling, thereby the turning department through the laryngeal mask that can be smooth and easy, whole intubate process is smooth and easy unimpededly, the convenience of intubate operation has been improved. The pull wire is made of medical suture which can be absorbed by human body. Alternatively, the driving member may be a pull rod, the pull rod includes a horizontal section extending along the length direction of the pipe body and a bending section bending towards the pipe wall direction, and the bending section is connected with the stress section.

In the bronchus stopper, one side of the guide boss close to the deformation section is provided with a guide surface which is obliquely arranged, the guide surface is provided with a strip-shaped guide groove, one end of the guide groove is communicated with the via hole, and the pull wire is embedded into the guide groove. Through the setting of guide way for by spacing in the guide way behind the flare-out of acting as go-between, control the drunkenness, thereby realize prescribing a limit to the atress direction of atress section department, guarantee that the emergence deformation that the deformation section can be better buckles, thereby the turning department through the laryngeal mask that can be smooth and easy, whole intubate process is smooth and easy unimpededly, has improved the convenience of intubate operation. The stay wire is abutted against the bottom wall of the guide groove after being straightened or has a slight gap with the bottom wall of the guide groove.

In the above bronchus occluding device, a center line of the through hole is parallel to a center line of the body section. Through the arrangement, the deformation section can be pulled and bent through the minimum pulling force, so that the operation is simpler and more convenient.

In the bronchus stopper, an operation interface is arranged on the outer wall of the tube body, the pull wire penetrates out of the operation interface and is connected with a fixing cover, and the fixing cover is in threaded connection with the operation interface. The intubate in-process will fix the lid and separate with the operation interface, when inserting laryngeal mask corner, will act as go-between through fixed lid and outwards drag to make the deformation section take place deformation and buckle smoothly through the corner, the intubate is accomplished the back, only needs to fix the lid again with operation interface threaded connection, thereby can guarantee that the body is airtight, guarantee can be normal toward inflating in the cuff.

In the bronchus stopper, an inner wall of one end of the via hole, which is far away from the deformation section, is provided with a concave mounting groove, a roller pin is rotationally connected in the mounting groove, and the roller pin protrudes out of the inner wall of the via hole. The kingpin protrusion via hole's inner wall, when dragging the acting as go-between, the acting as go-between supports and presses the outer peripheral face at the kingpin, and the kingpin can roll, and frictional force is less, can make to drag more laborsavingly. Preferably, an installation groove is also formed in the inner wall of one end, communicated with the guide groove, of the through hole, and a roller pin is rotatably connected in the installation groove.

In the bronchus stopper, the edge of the port at one end of the through hole, which is far away from the deformation section, is in arc transition. The arc transition avoids the friction of the stay wire at the edge from being cut off.

In the bronchus stopper, the connecting part of the guide groove and the via hole is in arc transition. The arc transition avoids the stay wire from being cut off at the joint by friction.

In the above bronchial occlusion device, the deformation section is in a bellows shape. The deformation section is in a corrugated pipe shape and can be bent after being stressed, so that the throat mask can smoothly pass through the corner of the throat mask. As an alternative scheme, the hardness of the body section and the stress section is higher than that of the deformation section, and the deformation section is deformed and bent after stress.

In the above bronchial occlusion device, the inner wall of the stress section is provided with a convex connecting convex part, one end of the pull wire is fixedly connected to the connecting convex part, and the connecting convex part is located at one end of the stress section close to the cuff part. The connecting convex part is positioned at one end close to the bag sleeving part, so that the bending can be realized more in a labor-saving manner.

Compared with the prior art, the bronchus stopper has the advantages that:

1. this bronchus plugging device passes through the straight tube and inserts to can make the body automatic bending type realize turning through the driving piece when inserting the department of turning, whole intubate process is smooth and easy unimpededly, has improved the convenience of intubate operation.

2. The guide boss, the connecting convex part, the pull wire and the like are all arranged in the tube body, and the specific intubation operation is not influenced.

Drawings

Figure 1 is a schematic diagram of the structure of a laryngeal mask.

Fig. 2 is a schematic structural view of a conventional bronchial plug inserted through a laryngeal mask.

Fig. 3 is a structural schematic diagram of the bronchial occlusion device.

Fig. 4 is a sectional structural view of the bronchial stopper.

Fig. 5 is an enlarged view at a in fig. 4.

Fig. 6 is a perspective view of the guide boss.

In the figure, 1, a tube body; 1a, a cuff part; 1b, a body section; 1c, deformation section; 1d, a stress section; 1e, an operation interface; 1f, a connecting convex part; 2. a pull wire; 3. a guide boss; 3a, a via hole; 3a1, mounting groove; 3b, a guide surface; 3b1, guide groove; 4. a fixed cover; 5. rolling needles; 6. an inflator; 7. a deflation valve; 8 laryngeal mask.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 3 and 4, the bronchial occlusion device comprises a tube body 1 and a cuff part 1a arranged at one end of the tube body 1, wherein the other end of the tube body 1 is further provided with an inflating device 6 which is communicated with the tube body 1 and can inflate the cuff part 1a through the tube body 1, and the tube body 1 is further connected with a deflating valve 7.

Specifically, the pipe body 1 sequentially comprises a body section 1b, a deformation section 1c and a stress section 1d along the length direction, the inflation device 6 and the deflation valve 7 are both arranged on the body section 1b, and the bag sleeving part 1a is connected with the stress section 1 d. This body section 1b and atress section 1 d's hardness all is greater than deformation section 1c, still is equipped with driving piece and driving piece in the body 1 and can drive deformation section 1c and take place deformation and buckle and make and form the contained angle between atress section 1d and the body section 1 b. In this embodiment, the deformation section 1c is in a bellows shape.

Further, as shown in fig. 4, 5 and 6, the force receiving section 1d has a tapered transition portion, the cuff portion 1a is connected to a small port of the transition portion, and a convex connecting protrusion 1f is provided on an inner wall of the transition portion of the force receiving section 1 d. The driving piece is including acting as go-between 2, 2 act as go-between is made for adopting the medical suture that can be absorbed by the human body, 2 one end of acting as go-between links firmly on connecting convex part 1f, transition portion is the taper, the inner wall is the slope setting, thereby make to change toward one side to drag after the atress, make deformation section 1c change deformation buckle, the transition portion of taper simultaneously outer wall and laryngeal mask support when inserting the laryngeal mask corner and press also can play the effect of a direction, further make to change and buckle. The inner wall of one end of the body section 1b close to the deformation section 1c is provided with a guide boss 3 protruding inwards, and the protruding height of the guide boss 3 is 1/2-2/3 of the diameter of the pipe body 1. The guide boss 3 is provided with a through hole 3a, and the central line of the through hole 3a is parallel to the central line of the pipe body 1. The outer wall of the pipe body 1 is provided with an operation interface 1e, and the operation interface 1e is located at one end of the body section 1b far away from the deformation section 1 c. The other end of the pull wire 2 penetrates through the through hole 3a and penetrates out of the operation interface 1e and is connected with a fixed cover 4, and the fixed cover 4 is in threaded connection with the operation interface 1 e. The distance from the central point of the via hole 3a to the inner wall of the tube body 1 is larger than the distance from the connecting point of the stay wire 2 and the inner wall of the stress section 1d to the inner wall of the tube body 1.

Furthermore, the edge of the port at one end of the through hole 3a far away from the deformation section 1c is in arc transition, so that the stay wire 2 is prevented from being cut off by friction at the edge. One side that direction boss 3 is close to deformation section 1c has the spigot surface 3b that is the slope setting, and spigot surface 3 b's inclination is 15 ~ 30. A strip-shaped guide groove 3b1 is formed in the guide surface 3b, one end of the guide groove 3b1 is communicated with the through hole 3a, the pull wire 2 is embedded into the guide groove 3b1, and the pull wire 2 is straightened and then abuts against the bottom wall of the guide groove 3b1 or has a gap with the bottom wall of the guide groove 3b 1. The connecting part of the guide groove 3b1 and the through hole 3a is in arc transition, so that the friction of the pull wire 2 at the connecting part is prevented from being cut off. The inner walls of the two ends of the through hole 3a are provided with mounting grooves 3a1 which are arranged in a concave mode, a roller pin 5 is rotatably connected in the mounting groove 3a1, and the roller pin 5 protrudes out of the inner wall of the through hole 3 a.

The working principle of the bronchus stopper is as follows: under the normal state, the deformation section 1c is not bent, the tube body 1 is in a straight tube shape, when the intubation is needed, the laryngeal mask 8 is inserted into the trachea at the throat of a patient, then one end with the cuff part 1a is inserted into the laryngeal mask 8, when the laryngeal mask 8 is inserted to the turning position, the fixing cover 4 is taken down from the operation interface 1e, the stay wire 2 is pulled outwards through the fixing cover 4, the stay wire 2 is pulled to be straight, under the action of the guide surface 3b of the guide boss 3, the stay wire 2 from the through hole 3a to the part of the connection boss is in an inclined state, so that the pulling direction of the stress section 1d is also inclined, the component force of the stress section 1d is radial through the decomposition of the force, because the hardness of the body section 1b and the stress section 1d is larger than that of the deformation section 1c, the stress section 1c can be bent after the stress section 1d is pulled to be in the radial direction, so that an included angle formed between the stress section 1d and the body section 1b is bent, and the whole intubation process is smooth and unimpeded through the turning of the laryngeal mask 8. After the cuff part 1a is smoothly inserted into the main bronchus of the lung at the affected side, the fixing cover 4 is connected with the operation interface 1e again in a threaded manner to keep the tube body 1 closed, and the inflating device 6 inflates inwards to inflate the cuff part 1a to open and block the main bronchus at the affected side. After the operation is finished, the air relief valve 7 is used for relieving air to enable the bag covering part 1a to shrink, and the tube body 1 is pulled out.

This bronchus plugging device passes through the straight tube and inserts to can make body 1 automatic buckling realize turning through the driving piece when inserting the department of turning, whole intubate process is smooth and easy unimpededly, has improved the convenience of intubate operation.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms tube body 1, cuff portion 1a, body section 1b, deformation section 1c, stress section 1d, operation interface 1e, connection convex portion 1f, stay wire 2, guide boss 3, through hole 3a, mounting groove 3a1, guide surface 3b, guide groove 3b1, fixing cover 4, needle roller 5, inflator 6, deflation valve 7, laryngeal mask 8, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a bronchus plugging device, includes body (1) and set up at cover bag portion (1a) of body (1) one end, its characterized in that, body (1) includes this body section (1b), deformation section (1c) and atress section (1d) along length direction in proper order, cover bag portion (1a) is connected with atress section (1d), still be equipped with the driving piece just in body (1) the driving piece can drive deformation section (1c) take place to buckle and make and form the contained angle between atress section (1d) and this body section (1 b).

2. The bronchial occlusion device of claim 1, wherein the driving member comprises a pulling wire (2), the inner wall of the body section (1b) is provided with a guiding boss (3) protruding inwards, the guiding boss (3) is provided with a through hole (3a), one end of the pulling wire (2) is fixedly connected to the inner wall of the force-bearing section (1d), the other end of the pulling wire passes through the through hole (3a) and penetrates out of the body (1), and a connecting line between a connecting point of the pulling wire (2) and the inner wall of the force-bearing section (1d) and a central point of the through hole (3a) is inclined relative to an axis of the body section (1 b).

3. The bronchial occlusion device of claim 2, wherein the guiding boss (3) has a guiding surface (3b) disposed obliquely at a side close to the deformation section (1c), the guiding surface (3b) is provided with a strip-shaped guiding groove (3b1), one end of the guiding groove (3b1) is communicated with the through hole (3a), and the pull wire (2) is embedded into the guiding groove (3b 1).

4. Bronchial occluder according to claim 2 or 3, wherein the centre line of the through-hole (3a) is parallel to the centre line of the body segment (1 b).

5. The bronchial occlusion device according to claim 2 or 3, characterized in that the outer wall of the tube body (1) is provided with an operation interface (1e), the pull wire (2) penetrates out of the operation interface (1e) and is connected with a fixed cover (4), and the fixed cover (4) is in threaded connection with the operation interface (1 e).

6. Bronchial occlusion device according to claim 3, characterized in that the inner wall of the end of the through hole (3a) far away from the deformation segment (1c) is provided with a recessed mounting groove (3a1), the mounting groove (3a1) is rotatably connected with a roller pin (5), and the roller pin (5) protrudes out of the inner wall of the through hole (3 a).

7. The bronchial stopper of claim 3 or 6, wherein the inner wall of one end of the through hole (3a) communicated with the guide groove (3b1) is provided with a mounting groove (3a1), and the mounting groove (3a1) is rotatably connected with a roller pin (5).

8. Bronchial occluder according to claim 2 or 3, wherein the end of the passage opening (3a) facing away from the deformation zone (1c) is rounded at its edge.

9. Bronchial occlusion device according to claim 3, characterized in that the connection of the guide groove (3b1) with the through hole (3a) is rounded.

10. The bronchial occlusion device according to claim 2 or 3, characterized in that the inner wall of the force-bearing section (1d) is provided with a convex connection protrusion (1f), one end of the pull wire (2) is fixedly connected to the connection protrusion (1f), and the connection protrusion (1f) is located at one end of the force-bearing section (1d) close to the cuff portion (1 a).