CN214911105U - Trachea sputum suction assembly and leading-in system - Google Patents

Abstract

The application relates to a trachea sputum suction assembly and a guiding system, which comprises a sputum suction pipe made of flexible materials, wherein the inner diameter range of the sputum suction pipe is [4mm-5mm ], and the length range of the sputum suction pipe is [600mm-650mm ]; the sputum suction tube comprises a travelling end and a connecting end, the travelling end is used for sucking a target part object in the trachea, and the connecting end is used for connecting the negative pressure center; the connecting end is provided with a connector which is used for adjusting the state that the sputum suction tube is at normal pressure or negative pressure. The application has the effect of increasing multi-scene application of the sputum suction tube to tracheal patients in the using process.

Description

Trachea sputum suction assembly and leading-in system

Technical Field

The application relates to the field of trachea sputum suction equipment, in particular to a trachea sputum suction assembly and a guiding system.

Background

The sputum suction tube is a common medical auxiliary appliance, and medical personnel can clear respiratory secretions of patients through the sputum suction tube to keep the respiratory tract smooth. The bronchoscope is operated under the bronchoscope, and is influenced by the diameter of the bronchial tube, such as blood clots and purulent secretions, the bronchoscope is difficult to clean, the diameter of the sputum suction tube is far larger than that of the bronchial tube, the cleaning capability of the sputum suction tube is enhanced, but the depth of the sputum suction tube which is commonly used clinically can only reach the vicinity of the carina of the trachea, and the secretion of the left and right main bronchi and the segmental bronchial tubes is difficult to suck.

In addition, aiming at the requirements of lung peripheral nodule biopsy, such as olympus BF-MP290F, the outer diameter of the tip part is only 3mm, the channel is only 1.7mm, after an ultrasonic probe or biopsy forceps are placed, the suction capacity is obviously reduced, the operation visual field is obviously influenced by bleeding or airway secretion, the operation time is obviously prolonged, and the operation efficiency is reduced. The sputum suction tube which is commonly used in clinic at present is mainly used for operation without guide wire guidance, the front end of the sputum suction tube can only reach the vicinity of the carina, and the sputum suction tube is difficult to reach segmental or sub-segmental bronchus even if the guide wire is guided and preset during bronchoscope operation. Meanwhile, the suction capacity is limited due to the limitation of the suction holes.

According to the related technology, the sputum suction tube is lengthened and thickened, when the bronchoscope is operated, the sputum suction tube is preset to an operation position through the guide wire, suction and cleaning are facilitated during operation, the operation visual field is guaranteed, operation efficiency is improved, repeated passing in and out of a glottis of the bronchoscope is reduced, and risks of patients are reduced.

SUMMERY OF THE UTILITY MODEL

In order to facilitate application of the sputum suction tube to different scenes in the use process of a tracheal patient, the application provides a tracheal sputum suction assembly and a guiding-in system.

In a first aspect, the present application provides a tracheal sputum aspirating assembly, which adopts the following technical scheme:

a trachea sputum suction assembly comprises a sputum suction tube made of flexible materials, wherein the inner diameter range of the sputum suction tube is [4mm-5mm ], and the length range of the sputum suction tube is [600mm-650mm ]; the sputum suction tube comprises a travelling end and a connecting end, the travelling end is used for sucking a target part object in the trachea, and the connecting end is used for connecting the negative pressure center; the connecting end is provided with a connector which is used for adjusting the state that the sputum suction tube is at normal pressure or negative pressure.

By adopting the technical scheme, the diameter and the length of the sputum suction tube made of flexible materials are increased, the guide wire is preset under the bronchoscope, the target bronchus is placed in the sputum suction tube, the sputum suction tube is placed along the guide wire, the sputum suction tube is fixed after being withdrawn from the guide wire, negative pressure suction and discharge are carried out by communicating the connector of the connecting end with the negative pressure center, the pressure state of the sputum suction tube is adjusted at any time through the connector, the pressure of the sputum suction tube is released every 15s, so that the sputum suction tube is at normal pressure, the effect of increasing the multi-scene application of the sputum suction tube to tracheal patients in the use process is achieved, and large-particle target bronchial objects and viscous secretions can be discharged by increasing the inner diameter of the sputum suction tube.

Optionally, the specification of the sputum suction tube is set as [ phi 4.5mm, L600mm ] or [ phi 4.5mm, L650mm ].

By adopting the technical scheme, the specification of the sputum suction tube is set to be [ phi 4.5mm, L600mm ] or [ phi 4.5mm, L650mm ], the sputum suction tube can conveniently extend into a bronchus to suck and discharge large-particle food residues, the effect of removing viscous secretion of the sputum suction tube is enhanced, and the effect of reaching a farther section of bronchus and enhancing the suction capacity is achieved.

Optionally, the outer wall of the sputum aspirator pipe at the advancing end is arranged in an arc shape towards the inner wall of the sputum aspirator pipe.

By adopting the technical scheme, the advancing end of the sputum suction tube is processed with the arc which is curled along the outer wall of the sputum suction tube to the inner wall of the sputum suction tube to form a protrusion, so that when the advancing end moves in the trachea, the sharp end surface of the sputum suction tube is prevented from scratching the tracheal mucosa.

Optionally, the outer wall of the sputum suction tube close to the advancing end is provided with a pressure relief hole along the wall thickness direction.

By adopting the technical scheme, the pressure relief hole on the outer wall of the advancing end of the sputum suction pipe can prevent the advancing end target part of the sputum suction pipe from being caused when the sputum suction pipe is subjected to negative pressure suction and discharge at the negative pressure center, the target part can be prevented from being caused by the rapid pressure reduction of the sputum suction pipe at the negative pressure center through the pressure relief hole on the side wall of the advancing end, the contact area between the sputum suction pipe and the target part is increased, the target part object at the bronchus can be quickly removed by the sputum suction pipe, and the suction and discharge efficiency of the target part object is improved.

Optionally, the connector includes a connecting pipe and a branch pipe, the branch pipe is fixedly connected with the side wall of the connecting pipe, and the connecting pipe is communicated with the branch pipe; one end of the connecting pipe is fixed with the connecting end, and the other end of the connecting pipe is connected with a negative pressure pipe in the negative pressure center; the open end of the branch pipe is connected with a pressure relief plug.

Through adopting above-mentioned technical scheme, be connected with the connecting pipe through the branch pipe, when will inhaling in the phlegm pipe grafting admission line, will release the pressure stopper and open for inhale the phlegm pipe and be in ordinary pressure state, when inhaling the phlegm pipe and get into the trachea, be connected negative pressure center and connecting pipe, will release the pressure stopper again and fill up with the branch pipe, make to inhale the phlegm pipe and be in negative pressure state and inhale and arrange debris, adjust the convenient staff's operation of the pressure state of inhaling the phlegm pipe through releasing the pressure stopper.

Optionally, one side of the connecting pipe, which is far away from the advancing end, is provided with a conical step shape, and the negative pressure pipe sleeve is arranged on the outer wall of the connecting pipe and tightly clamped with the conical step section of the connecting pipe.

By adopting the technical scheme, the negative pressure pipe sleeve at the negative pressure center is connected with the outer wall of the connecting pipe and the conical stepped section of the connecting pipe in a clamping manner, the negative pressure pipe and the connecting pipe are connected into a whole, the pressure relief plug is plugged into the branch pipe through the work of the negative pressure center, so that the target position object in the branch air pipe is sucked and exhausted by the connecting pipe and the integrative negative pressure of the sputum suction pipe, and the sputum suction pipe has the effect of being connected with the negative pressure center and the sputum suction pipe in an integrated manner through convenient operation.

Optionally, the opening end face of the branch pipe is fixedly connected with a butting disc, and the bottom end of the butting disc is connected with the pressure relief plug.

Through adopting above-mentioned technical scheme, department sets up the butt dish in the bronchus, with butt dish and pressure relief stopper body coupling, the installation of conveniently pressure relief stopper, and can make things convenient for medical personnel to work at the during operation under the effect of butt dish, support the thumb tightly with branch pipe target site on the butt dish, make to inhale the phlegm pipe and be in the negative pressure state fast, loosen the thumb, it can reply ordinary pressure state fast to inhale the phlegm pipe, be favorable to medical personnel's both hands operation, when medical personnel one-hand operation, then need to let out the suction and exhaust work that the phlegm pipe was inhaled with branch pipe stopper tight.

In a second aspect, the present application provides an import system, which adopts the following technical solutions:

an import system, comprising:

an endotracheal sputum aspirator assembly, the endotracheal sputum aspirator assembly of any one of claims 1-7;

the monitoring assembly is used for transmitting the guiding assembly to a bronchus and comprises a conveying pipe, one end of the conveying pipe is provided with a camera shooting part, the other end of the conveying pipe is provided with a display part, the camera shooting part and the display part are electrically connected in the conveying pipe, a channel is formed in the conveying pipe and used for a guide wire to penetrate, and the camera shooting part is used for observing the position of the guide wire extending out of the channel in the bronchus;

the guide wire extends into the bronchus along the conveying pipe, and the sputum suction pipe is sleeved on the outer wall of the guide wire and slides into the bronchus along the guide wire.

Through adopting above-mentioned technical scheme, will inhale the phlegm pipe, seal wire and conveyer pipe disinfection treatment, transmit the conveyer pipe to the trachea along user's nasal cavity, when avoiding the conveyer pipe to enter along the oral cavity, the user oral cavity produces too much secretion when the foreign matter is pegged graft and leads to user's conditioned reflex to carry out the swallowing action, be causing user's trachea damage easily, transmit to the trachea through the seal wire and remove towards the bronchus, the portion of making a video recording shoots and carries out the position that shows the endotracheal picture promptly seal wire on the picture transmission display part, when treating that the seal wire gets into bronchus target site department, shift out the nasal cavity with the conveyer pipe, will inhale the outer wall at the seal wire to be established to the phlegm pipe box, utilize the end of marcing to transmit to the bronchus and withdraw from the seal wire and carry out the phlegm row to target site department through inhaling the pipe along the seal wire.

Optionally, the camera shooting part comprises an endoscope and a miniature image sensor, the endoscope is fixed with one end of the conveying pipe facing the bronchus, the endoscope part extends out of the conveying pipe, one end of the endoscope in the conveying pipe is fixed with the miniature image sensor, and the miniature image sensor is electrically connected with the display part.

Through adopting above-mentioned technical scheme, when being transmitted the trachea with the seal wire along the through-hole of conveyer pipe, shoot the picture in the trachea through scope and miniature image sensor and monitor the seal wire of wearing out the conveyer pipe, the light signal that will shoot transmits to the display part through miniature image sensor and converts the signal of telecommunication into and carries out image display for medical personnel can observe the position of seal wire in the bronchus in real time, transmit the seal wire to the target site department in the bronchus.

Optionally, the display unit is a television monitor, the television monitor is fixedly connected to one end of the delivery pipe away from the image pickup unit, and the television monitor is electrically connected to the miniature image sensor.

By adopting the technical scheme, the display part is the television monitor, the optical signal obtained by shooting the miniature image sensor is transmitted to the electrical signal through the television information system center of the television monitor through the television monitor, the intratracheal picture is displayed on the television monitor, medical personnel can observe the position where the guide wire penetrates out along the conveying pipe through the television monitor when the guide wire is transmitted through the conveying pipe, and the transmission of the guide wire is stopped at the target position where the guide wire is transmitted to the bronchus.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the trachea sputum suction assembly, the inner diameter of a sputum suction pipe is processed to be within [4mm-5mm ], the length of the sputum suction pipe is processed to be within [600mm-650mm ], the sputum suction pipe can enter a bronchus and is connected with a connecting end through a negative pressure center, so that the sputum suction pipe is in a negative pressure state, and a target position object is sucked and discharged in the bronchus through a travelling end, so that the trachea sputum suction assembly has the effect of increasing multi-scene application of the sputum suction pipe to a trachea patient in the using process;

2. according to the trachea sputum suction assembly, the abutting disc and the pressure relief plug are integrally connected, the pressure relief plug is convenient to install, medical workers can conveniently and tightly abut the thumb against the abutting disc to support the branch pipe target part on the abutting disc when working under the action of the abutting disc, the sputum suction pipe is quickly in a negative pressure state, the thumb is loosened, the sputum suction pipe can quickly return to a normal pressure state, the operation of the medical workers by two hands is facilitated, and when the medical workers operate by one hand, the pressure relief plug and the branch pipe plug are required to tightly perform suction and discharge work of the sputum suction pipe;

3. will inhale the phlegm pipe, seal wire and conveyer pipe disinfection treatment, transmit the conveyer pipe to the trachea along user's nasal cavity, when avoiding the conveyer pipe to enter along the oral cavity, the user oral cavity produces too much secretion when the foreign matter is pegged graft and leads to user's conditioned reflex to swallow the action, be causing user's trachea damage easily, transmit to the trachea through the seal wire and remove towards the bronchus, the portion of making a video recording shoots and shows the position that the picture is the seal wire in the picture transmission display part, when treating the seal wire and get into bronchus target site department, shift out the conveyer pipe nasal cavity, will inhale the outer wall that the phlegm pipe box established at the seal wire, utilize the end of marcing to transmit to bronchus target site department along the seal wire and inhale and arrange.

Drawings

Fig. 1 is a schematic view of the overall structure of the tracheal sputum aspirating assembly of this embodiment.

Fig. 2 is a schematic view of the entire configuration of the import system of the present embodiment.

FIG. 3 is a schematic view of a section of the delivery tube of FIG. 2 along the axis of the opening of the passageway.

Figure 4 is a view of the sputum-aspirating tube of figure 1 in use.

Description of reference numerals: 1. a sputum suction tube; 11. a travel end; 111. a pressure relief vent; 12. a connecting end; 121. a connector; 1211. a connecting pipe; 1212. a branch pipe; 12121. a butting tray; 1213. a pressure relief plug; 2. a monitoring component; 21. a delivery pipe; 211. a channel; 212. mounting grooves; 22. an image pickup unit; 221. an endoscope; 222. a micro image sensor; 23. a display unit; 231. a television monitor; 3. a guidewire.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses trachea inhales phlegm subassembly, refers to figure 1, including inhaling phlegm pipe 1, inhales phlegm pipe 1 and makes by flexible silica gel material, inhales the shape of phlegm pipe 1 and is the cylinder pipe, inhales the specification of phlegm pipe 1 and is internal diameter 4.5mm, length 600 mm. The sputum aspirator 1 comprises a traveling end 11 and a connecting end 12; two pressure relief holes 111 which are arranged in a staggered and corresponding mode are machined in the outer wall of the advancing end 11 along the wall thickness direction, and the interface of the two pressure relief holes 111 is circular; the connecting end 12 is provided with a connector 121 in a gluing manner, the connector 121 is fixedly sleeved on the outer wall of the connecting end 12, and the connector 121 is connected with the negative pressure center to enable the sputum suction tube 1 to be in a negative pressure state to adsorb impurities. The sputum suction tube 1 extends into a bronchus of a trachea, the connector 121 of the connecting end 12 is connected with a negative pressure center, a target part object is sucked through the advancing end 11, the pressure state of the sputum suction tube 1 is adjusted under the action of the connector 121, the sputum suction tube 1 is in a normal pressure state when the target part object is not sucked, the target part object is sucked, the sputum suction tube is in a negative pressure state, the sputum suction tube can only keep 15s at most when the target part object is sucked by negative pressure every time, the sputum suction tube 1 needs to be adjusted to be normal pressure after 15s, and then the target part object is sucked by negative pressure.

Referring to fig. 1, the advancing tip 11 is formed with an arc, and the arc of the advancing tip 11 is formed from the outer wall of the advancing tip 11 toward the inner wall of the advancing tip 11.

Referring to fig. 1, the connection head 121 includes a connection pipe 1211 and a branch pipe 1212; one end of the connecting pipe 1211 is sleeved on the connecting end 12 of the sputum suction pipe 1 and is bonded with the connecting end 12 of the sputum suction pipe 1, the connecting pipe 1211 is in a cylindrical shape, the connecting pipe 1211 is made of plastic materials, the outer wall of the other end of the connecting pipe 1211 is in a conical step shape, and the conical step section of the connecting pipe 1211 is tightly inserted and clamped with the negative pressure pipe in the negative pressure center; the side walls of the branch pipe 1212 and the connecting pipe 1211 are bonded into a whole, the branch pipe 1212 is communicated with the connecting pipe 1211, the end face of the opening of the branch pipe 1212 is bonded with a contact disk 12121, the contact disk 12121 is in an arc disk with a plug hole in the middle and a protrusion towards one end of the branch pipe 1212, the contact disk 12121 is made of a metal material, the bottom end of the contact disk 12121 is bonded with a pressure relief plug 1213 through a connecting strip, and the pressure relief plug 1213 is hermetically inserted into the branch pipe 1212 through the plug hole. The shape of the pressure relief plug 1213 is a truncated cone, and the material of the pressure relief plug 1213 is a plastic material.

As a modification of this embodiment, the outer wall of the end of the connection pipe 1211 away from the connection end 12 may be threaded, the negative pressure pipe is in threaded engagement with the connection pipe 1211, the negative pressure pipe and the connection pipe 1211 are both made of plastic materials, the wear of the threaded engagement can be ignored, and the stability and the sealing performance of the connection between the negative pressure pipe and the connection pipe 1211 are improved.

The implementation principle of the embodiment of the application is as follows: the sputum suction tube 1 is inserted into the trachea of a patient along the nasal cavity or the oral cavity, the connector 121 is connected with a negative pressure tube at a negative pressure center to suck sputum or remove tracheal incretion, the pressure of the sputum suction tube 1 is released to be at normal pressure every 15s by opening the pressure release plug 1213, and sputum suction in the trachea or object cleaning of a target part is completed.

The embodiment of the application also discloses an introducing system, which refers to fig. 2 and 3 and comprises a tracheal sputum suction assembly, a monitoring assembly 2 and a guide wire 3. The monitoring unit 2 includes a conveyance pipe 21, an imaging unit 22, and a display unit 23. The conveying pipe 21 is in the shape of a cylindrical pipe, and the conveying pipe 21 is made of flexible plastic materials; duct 211 and mounting groove 212 have been seted up along the pipe diameter direction in the conveyer pipe 21, and camera portion 22 bonds on the mounting groove 212 inner wall and is close to the one end in the bronchus in conveyer pipe 21, and display portion 23 fixed connection is in the one end that conveyer pipe 21 kept away from the bronchus. The guide wire 3 moves through the channel 211 and extends out along the channel 211 to abut against a target part in the bronchus, the shape of the guide wire 3 is cylindrical, and the guide wire 3 is made of plastic materials. The delivery tube 21, the guide wire 3 and the sputum suction tube 1 all need to be sterilized when in use. Referring to fig. 3 and 4, the guide wire 3 is inserted into the bronchus along the nasal cavity of the user through the delivery tube 21, the guide wire is inserted into the bronchus along the passage 211 of the delivery tube 21, the image of the inside of the bronchus is photographed by the image pickup part 22 on the basis that the display part 23 releases the light source, the endoscope 221 is adhered to the inner wall of the mounting groove 212 and is displayed on the side of the delivery tube 21 close to the bronchus through the image display of the display part 23, and the endoscope 221 partially extends out of the delivery tube 21. In this embodiment the monitoring assembly 2 is a fiberbronchoscope.

Referring to fig. 2 and 3, the image pickup unit 22 includes an endoscope 221 and a micro image sensor 222; the endoscope 221 is adhered to the inner wall of the mounting groove 212 and is positioned at one end of the conveying pipe 21 close to the bronchus, part of the endoscope 221 extends out of the mounting groove 212, the endoscope 221 is a high-definition miniature camera, and one end of the endoscope 221 close to the interior of the conveying pipe 21 is electrically connected with the miniature image sensor 222; the micro image sensor 222 is located in the mounting groove 212 and is adhered to the inner wall of the mounting groove 212, the model of the micro image sensor 222 is NanEyeXS, and the light source is transmitted to the position of the endoscope 221 through the optical fiber in the display part 23 to photograph the endoscope 221 so as to provide illumination.

Referring to fig. 2 and 3, the display unit 23 is a television monitor 231; the television monitor 231 is electrically connected with the miniature image sensor 222, and the television monitor 231 is a video display; the image of the position in the trachea is shot through an endoscope 221, the shot optical signal is transmitted to a television monitor 231 through a miniature image sensor 222, the optical signal is converted into an electric signal through a television information system center of the television monitor 231, the image is displayed on the television monitor 231, when medical staff transmit a guide wire 3, the position of the guide wire 3 in the trachea can be visually seen by observing imaging on a video display, when the guide wire 3 is at the target position of the bronchus, the delivery pipe 21 is withdrawn from the nasal cavity of a patient, the sputum suction pipe 1 is sleeved on the outer wall of the guide wire 3 along the advancing end 11 and manually pushed along the guide wire 3, and when the sputum suction pipe 1 is transmitted to the bronchus, the connector 121 is communicated with a negative pressure center to suck impurities and remove food residues and secretions at the target position in the bronchus.

The implementation principle of the import system in the embodiment of the application is as follows: the conveying pipe 21, the sputum suction pipe 1 and the guide wire 3 are disinfected, the conveying pipe 21 enters the trachea along the nasal cavity of a user, the position picture in the trachea is transmitted to the display part 23 to be observed by photographing through the photographing part 22, the conveying pipe 21 is transmitted to the position close to the bronchus, the guide wire 3 is transmitted to the target position in the bronchus along the through hole of the conveying pipe 21, the conveying pipe 21 is moved out, the sputum suction pipe 1 is manually pushed to the bronchus along the guide wire 3, the connector 121 is connected with a negative pressure center to remove the target position, the pressure of the sputum suction pipe 1 is released by stopping the negative pressure every 15s, and then the target position is removed by the negative pressure.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A trachea sputum suction assembly is characterized in that: the sputum suction device comprises a sputum suction pipe (1) made of flexible materials, wherein the inner diameter range of the sputum suction pipe (1) is [4mm-5mm ], and the length range of the sputum suction pipe (1) is [600mm-650mm ]; the sputum suction tube (1) comprises a travelling end (11) and a connecting end (12), wherein the travelling end (11) is used for sucking a target position object in an trachea, and the connecting end (12) is used for connecting a negative pressure center; the connecting end (12) is provided with a connecting head (121), and the connecting head (121) is used for adjusting the state that the sputum suction tube (1) is at normal pressure or negative pressure.

2. A tracheal sputum aspirating assembly according to claim 1, wherein: the specification of the sputum suction tube (1) is set as [ phi 4.5mm, L600mm ] or [ phi 4.5mm, L650mm ].

3. A tracheal sputum aspirating assembly according to claim 1, wherein: the outer wall of the sputum suction pipe (1) at the advancing end (11) faces the inner wall of the sputum suction pipe (1) and is arranged in an arc shape.

4. A tracheal sputum aspirating assembly according to claim 1, wherein: the outer wall of the sputum suction pipe (1) close to the advancing end (11) is provided with a pressure relief hole (111) along the wall thickness direction.

5. A tracheal sputum aspirating assembly according to claim 1, wherein: the connector (121) comprises a connecting pipe (1211) and a branch pipe (1212), the branch pipe (1212) is fixedly connected with the side wall of the connecting pipe (1211), and the connecting pipe (1211) is communicated with the branch pipe (1212); one end of the connecting pipe (1211) is fixed with the connecting end (12), and the other end of the connecting pipe (1211) is connected with a negative pressure pipe in a negative pressure center; the open end of the branch pipe (1212) is abutted with a pressure relief plug (1213).

6. A tracheal sputum aspirating assembly according to claim 5, wherein: one side of the connecting pipe (1211), which is far away from the advancing end (11), is provided with a conical step shape, and the negative pressure pipe is sleeved on the outer wall of the connecting pipe (1211) and tightly clamped with the conical step section of the connecting pipe (1211).

7. A tracheal sputum aspirating assembly according to claim 6, wherein: an abutting disc (12121) is fixedly connected to the opening end face of the branch pipe (1212), and the bottom end of the abutting disc (12121) is connected with the pressure relief plug (1213).

8. An import system, comprising: the method comprises the following steps:

an endotracheal sputum aspirator assembly, the endotracheal sputum aspirator assembly of any one of claims 1-7;

the monitoring assembly (2) is used for transmitting the guiding assembly to a bronchus, the monitoring assembly (2) comprises a conveying pipe (21), one end of the conveying pipe (21) is provided with a shooting part (22), the other end of the conveying pipe (21) is provided with a display part (23), the shooting part (22) and the display part (23) are electrically connected in the conveying pipe (21), a channel (211) is formed in the conveying pipe (21), the channel (211) is used for a guide wire (3) to penetrate through, and the shooting part (22) is used for observing the position of the guide wire (3) extending out of the channel (211) in the bronchus;

the guide wire (3) extends into a bronchus along the conveying pipe (21), and the sputum suction pipe (1) is sleeved on the outer wall of the guide wire (3) and slides into the bronchus along the guide wire (3).

9. A lead-in system according to claim 8, wherein: the camera shooting part (22) comprises an endoscope (221) and a miniature image sensor (222), the endoscope (221) is fixed with one end of the conveying pipe (21) facing the bronchus, the part of the endoscope (221) extends out of the conveying pipe (21), one end of the endoscope (221) in the conveying pipe (21) is fixed with the miniature image sensor (222), and the miniature image sensor (222) is electrically connected with the display part (23).

10. A lead-in system according to claim 9, wherein: the display part (23) is a television monitor (231), the television monitor (231) is fixedly connected to one end, away from the shooting part (22), of the conveying pipe (21), and the television monitor (231) is electrically connected with the micro image sensor (222).

Images