CN211460315U

CN211460315U - Combined type supersound guide bronchus sampling device

Info

Publication number: CN211460315U
Application number: CN201921034992.4U
Authority: CN
Inventors: 王伟
Original assignee: NANJING CHEST HOSPITAL
Current assignee: NANJING CHEST HOSPITAL
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-09-11
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a combined type ultrasound-guided bronchial sampling device, in particular to the technical field of medical equipment, which comprises two working mechanisms; two operating device include the bronchoscope main part, the inside work pore that is equipped with of bronchoscope main part, the inside gasbag cover of drawing materials that all is equipped with of work pore, the gasbag cover cross sectional shape of drawing materials sets up to ring shape, the inside first air pocket that is equipped with of gasbag cover of drawing materials, the gasbag cover of drawing materials is made by artificial biofilm material, the inside seal wire that is equipped with of gasbag cover of drawing materials, draw materials gasbag cover one side fixed be equipped with defeated air supply pipe, carry the fixed switch valve that is equipped with of air supply pipe one end. This practicality is through setting up two actuating mechanism, can change the biopsy mode, can adapt to the location of any bronchoscope, can adjust along with the bronchoscope, promotes the flexibility, is favorable to widening the work field of vision, can draw materials the activity to the small bronchus of the wild periphery of lung, effectually prevents the skew actual position of biopsy forceps sample.

Description

Combined type supersound guide bronchus sampling device

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, this utility model relates to a combined type supersound guide bronchus sampling equipment.

Background

The soft bronchoscope has an operation channel in the middle of the external diameter of about 4mm, and the channel is thin and cannot be used for simultaneously placing an ultrasonic probe and a biopsy forceps. The diameter of the ultrasonic probe and the diameter of the biopsy forceps are both about 2mm, the conventional method is to insert the ultrasonic probe by using a bronchoscope, the bronchoscope comprises the ultrasonic probe for detection and moves to a position needing biopsy, then the ultrasonic probe is pulled out, and the biopsy forceps are inserted again to finish biopsy.

Patent application publication No. CN 204734463U's utility model discloses a lung periphery supersound guide sheath under bronchoscope, including a silicone tube body, when the silicone tube body is located the pliers pipeline of bronchoscope, the first end of silicone tube body is rotated and is driven the second end rotation of silicone tube body, the peripheral unsteady cover of first end of silicone tube body be equipped with one with bronchoscope's guide sheath entry complex rotatory lid, rotatory covering is provided with the rotatory groove that marks of angle, the second end of silicone tube body is a bending section, the axis of bending section is 15 ~ 60 with the contained angle that the middle part axis of silicone tube body becomes, the end treatment of bending section is fillet structure. The second end of silicone tube body is a bending section for this bending section can get into the great bronchus of angle and accessible pjncture needle edgewise and acquire the tissue, conveniently handles the not just opposite condition in focus position, and the first end of silicone tube body rotates the second end that can drive the silicone tube body and rotates, realizes 360 all-round observation visual angles of bending section.

However, in practical use, there still exist many disadvantages, such as the existing ultrasonic detection and biopsy forceps insertion are completed at two times, and cannot be simultaneously stored in the airway, and the position originally detected may not be a position when the biopsy forceps are fed for sampling due to time advance and the user cough or posture change, etc., so that the biopsy forceps sampling deviates from the actual position.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects of the prior art, the embodiment of the present invention provides a combined type ultrasound-guided bronchial sampling device, wherein a double working mechanism is provided, when a small ultrasound examination needs to be started, two material-taking air bag sleeves in a certain inflation state are sent into two working channels of a bronchoscope main body through a built-in guide wire, after approaching a diseased region, the original guide wire is pulled out, and then the guide wire is changed into small ultrasound to be sent into a hose for detection, once a diseased region is detected, the diseased region is not changed at the position, the position of the diseased region is probed through the small ultrasound, then a biopsy is performed on the diseased region through a biopsy forceps, the arranged air bag material-taking sleeves made of artificial biofilm materials are flexible in texture, can adapt to branch air passages with various diameters, are moderate in hardness and flexible, are not affected by angle changes, and have shape adaptability, and can minimize frictional damage to the air passages, the biopsy mode can be changed, the biopsy forceps can be adapted to the positioning of any bronchoscope, can be adjusted along with the bronchoscope, improves the flexibility, is favorable for widening the working visual field, can carry out material taking activity on the small bronchus at the periphery of the lung field, effectively prevents the sampling of the biopsy forceps from deviating from the actual position, and solves the problems in the background technology.

In order to achieve the above purpose, the utility model provides the following technical scheme: a compound ultrasonic guided bronchial sampling device comprises a double working mechanism;

the double-working mechanism comprises a bronchoscope main body, a working hole channel is arranged in the bronchoscope main body, material taking airbag sleeves are arranged in the working hole channel, the cross section of each material taking airbag sleeve is in a circular ring shape, a first air cavity is arranged in each material taking airbag sleeve, each material taking airbag sleeve is made of an artificial biofilm material, a guide wire is arranged in each material taking airbag sleeve, one side of each material taking airbag sleeve is fixedly provided with an air conveying pipe, one end of each air conveying pipe is fixedly provided with an inflation switch valve, each inflation switch valve is connected with the corresponding material taking airbag sleeve in a sliding mode, the top of each material taking airbag sleeve is fixedly provided with a limiting ring, and the top of each limiting ring is fixedly provided with a;

the positioning mechanism comprises two clamping plates, the two clamping plates are fixedly connected with a limiting ring, clamping layers are arranged inside the two clamping plates and the limiting ring, the clamping layers are made of silica gel materials, the shape of a constant connection line of the clamping plates is trapezoidal, a clamping ring is arranged on the outer side of each clamping plate, and the clamping ring is in threaded connection with the clamping plates.

In a preferred embodiment, the inner wall of the bronchoscope main body is provided with a first friction thread, and the surface of the material drawing air bag sleeve is provided with a second friction thread.

In a preferred embodiment, the bronchoscope body is provided with two inlets at the top and the bottom, and the number of the inlets and the number of the working holes are two.

In a preferred embodiment, the bottom end of the material taking air bag sleeve is provided with an air return prevention bag ring, a second air cavity is arranged inside the air return prevention bag ring, the cross section of the air return prevention bag ring is in a circular ring shape, and the air return prevention bag ring is in through connection with the material taking air bag sleeve.

In a preferred embodiment, one side of the first friction thread is provided with a positioning groove which is matched with the anti-return air bag ring.

In a preferred embodiment, the bronchoscope body is provided with an auxiliary mechanism on the outside, and the auxiliary mechanism comprises a nasal cavity positioning shell.

In a preferred embodiment, a limiting ring is fixedly arranged on one side of the nasal cavity positioning shell, and the limiting ring is made of a rubber material.

In a preferred embodiment, the other end of the nasal cavity positioning shell is provided with a shaping end, and the nasal cavity positioning shell and the shaping end are both hollow-out.

This practical technological effect and advantage:

1. by arranging the double-working mechanism, when small ultrasonic examination needs to be started, two material-taking air bag sleeves in a certain inflation state are sent into two working channels of a main body of the bronchoscope through the built-in guide wire, the original guide wire is pulled out after the material-taking air bag sleeves approach to a diseased part, the original guide wire is changed into small ultrasonic, the small ultrasonic is sent into the hose for detection, once the diseased part is detected, the position of the diseased part is not changed, the position of the diseased part is detected through the small ultrasonic, then the diseased part is subjected to biopsy through a biopsy forceps, the arranged material-taking air bag sleeves made of artificial biological envelope materials are flexible, can adapt to branch air passages with various diameters, are moderate and flexible in hardness, are not influenced by angle change, have shape adaptability, reduce the frictional damage to the lowest degree of the air passages, can change the biopsy mode, can adapt to the positioning of any bronchoscope, and can be adjusted along with the, the flexibility is improved, the working visual field is favorably widened, the material taking activity of the small bronchus at the periphery of the lung field can be realized, and the sampling deviation of the biopsy forceps from the actual position is effectively prevented;

2. by arranging the positioning mechanism, when the small ultrasonic forceps and the biopsy forceps are placed in the material taking air bag sleeve, the clamping ring is rotated, the threads of the clamping ring and the clamping plates rotate upwards, and further the distance between the two clamping plates is reduced, so that the clamping layer is driven to fix the small ultrasonic forceps or the biopsy forceps, and the fixing effect of the small ultrasonic forceps and the biopsy forceps after being placed is improved;

3. through setting up first friction screw thread, second friction screw thread and complementary unit, the gasbag cover of drawing materials enters into the inside back inflation of working channel, the second friction screw thread and the first friction screw thread combination on gasbag cover surface of drawing materials, prevent simultaneously that return air bag ring card is inside the constant head tank, thereby prevent that the gasbag cover of drawing materials breaks away from with the working channel, the fixed stability of the gasbag cover of drawing materials has been promoted, be convenient for take place the skew condition when little supersound and biopsy forceps get into, nasal cavity location shell can be fixed a position the nasal cavity, carry out partial isolation with the nasal cavity when the bronchoscope main part enters, the nasal cavity breathing difficulty is avoided in the fretwork setting, promote and prevent the effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure of the sampling air bag cover of the utility model.

Fig. 3 is a schematic view of a partial structure of the portion a in fig. 2 according to the present invention.

Fig. 4 is a schematic view of a partial structure of the part B in fig. 2 according to the present invention.

Fig. 5 is a schematic structural view of the working channel of the present invention.

Fig. 6 is a schematic structural diagram of the positioning mechanism of the present invention.

Fig. 7 is a schematic structural view of the assist mechanism of the present invention.

Fig. 8 is a perspective view of the clamp ring of the present invention.

The reference signs are: the device comprises a 1-pair working mechanism, a 2-bronchoscope main body, a 3-working channel, a 4-material-drawing air bag sleeve, a 5-first air cavity, a 6-guide wire, a 7-air conveying pipe, an 8-inflation switch valve, a 9-limiting ring, a 10-positioning mechanism, a 11-clamping plate, a 12-clamping layer, a 13-clamping ring, a 14-inlet, a 15-return-prevention air bag ring, a 16-second air cavity, a 17-positioning groove, an 18-auxiliary mechanism, a 19-nasal-cavity positioning shell, a 20-limiting ring and a 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by persons skilled in the art based on the embodiments in the present application without any creative work belong to the protection scope of the present application.

A compound ultrasound guided bronchial sampling device as shown in figures 1-8, comprising a dual working mechanism 1;

the double-working mechanism 1 comprises a bronchoscope main body 2, a working hole 3 is arranged inside the bronchoscope main body 2, a material taking airbag sleeve 4 is arranged inside the working hole 3, the cross section of the material taking airbag sleeve 4 is in a circular ring shape, a first air cavity 5 is arranged inside the material taking airbag sleeve 4, the material taking airbag sleeve 4 is made of artificial biofilm materials, a guide wire 6 is arranged inside the material taking airbag sleeve 4, an air conveying and feeding pipe 7 is fixedly arranged on one side of the material taking airbag sleeve 4, an air charging switch valve 8 is fixedly arranged at one end of the air conveying pipe 7, the air charging switch valve 8 is in sliding connection with the inside of the material taking airbag sleeve 4, a limiting ring 9 is fixedly arranged at the top of the material taking airbag sleeve 4, and a positioning mechanism 10 is fixedly arranged at the top of;

the top and the bottom of bronchoscope main body 2 all are equipped with import 14, import 14 and working hole 3 quantity all set up to two.

The implementation mode is specifically as follows: when bronchoscopy is carried out, when small ultrasonic examination needs to be started, two material-taking air bag sleeves 4 in a certain inflation state are sent into two working hole channels 3 of a bronchoscope main body 2 through built-in guide wires 6, the original guide wires 6 are pulled out after approaching a diseased part, the small ultrasonic is changed into small ultrasonic, the small ultrasonic is sent into the hose for detection, once the diseased part is detected, the small ultrasonic is unchanged at the part, then the small ultrasonic is respectively connected with two inflation switch valves 8 through a connector at one end of an inflation pump, then the inflation pump and the inflation switch valves 8 are opened, after the inflation pump controls external air through the inflation switch valves 8, the external air is then sent into a first air cavity 5 inside the air bag material-taking sleeves 4 and a second air cavity 16 inside an anti-return air bag ring 15 through an air conveying pipe 7, then the inflation switch valves 8 are closed to seal the first air cavity 5, then the guide wires 6 are pulled, the guide wire 6 slides in the material taking air sac sleeve 4, then is separated from the material taking air sac sleeve 4, then small ultrasonic is put into one material taking air sac sleeve 4, then the small ultrasonic is opened, the position of lesion is probed through the small ultrasonic, then a biopsy forceps is put into the other material taking air sac sleeve 4, then biopsy is carried out on the lesion position through the biopsy forceps, the arranged material taking air sac sleeve 4 made of artificial biological envelope material is flexible in texture, can adapt to branch air passages with various diameters, is moderate and flexible in hardness, is not influenced by angle change, has shape adaptability, reduces the friction damage to the air passage to the minimum, can change the biopsy mode, can adapt to the positioning of any bronchoscope, can be adjusted along with the bronchoscope, improves the flexibility, is favorable for widening the working visual field, and can carry out material taking activity on small broncho around the lung field, effectively preventing the sampling of the biopsy forceps from deviating from the actual position.

The combined type ultrasound-guided bronchial sampling device shown in fig. 6 further comprises a positioning mechanism 10, wherein the positioning mechanism 10 comprises two clamping plates 11, the two clamping plates 11 are both fixedly connected with a limiting ring 9, clamping layers 12 are respectively arranged inside the two clamping plates 11 and the limiting ring 9, the clamping layers 12 are made of silica gel materials, the shape of a constant connection line of the clamping plates 11 is trapezoidal, clamping rings 13 are arranged on the outer sides of the clamping plates 11, and the clamping rings 13 are in threaded connection with the clamping plates 11.

The implementation mode is specifically as follows: when the small ultrasonic and biopsy forceps are placed into the material-taking air bag sleeve 4, the clamping ring 13 is rotated, the threads of the clamping ring 13 and the clamping plates 11 rotate upwards, and then the distance between the two clamping plates 11 is reduced, so that the clamping layer 12 is driven to fix the small ultrasonic or biopsy forceps, and the fixing effect of the small ultrasonic and biopsy forceps in the position after being placed is improved.

As shown in fig. 5 and 7, the compound ultrasound-guided bronchial sampling device further comprises a first friction thread, a second friction thread and an auxiliary mechanism 18, wherein the auxiliary mechanism 18 is arranged outside the bronchoscope main body 2, the first friction thread is arranged on the inner wall of the bronchoscope main body 2, and the second friction thread is arranged on the surface of the material-drawing air bag sleeve 4;

the bottom end of the material taking air bag sleeve 4 is provided with an anti-return air bag ring 15, a second air cavity 16 is arranged inside the anti-return air bag ring 15, the cross section of the anti-return air bag ring 15 is in a circular ring shape, and the anti-return air bag ring 15 is communicated with the material taking air bag sleeve 4;

a positioning groove 17 is formed in one side of the first friction thread, and the positioning groove 17 is matched with the anti-return air bag ring 15;

the auxiliary mechanism 18 comprises a nasal cavity positioning shell 19;

the other end of the nasal cavity positioning shell 19 is provided with a shaping end 21, and the nasal cavity positioning shell 19 and the shaping end 21 are both hollow-out.

The implementation mode is specifically as follows: the gasbag cover 4 of drawing materials enters into the inside back inflation of working channel 3, the second friction screw thread and the first friction screw thread combination on the gasbag cover 4 surface of drawing materials, prevent air return bag ring 15 card inside constant head tank 17 simultaneously, thereby prevent that gasbag cover 4 of drawing materials breaks away from with working channel 3, the fixed stability of gasbag cover 4 of drawing materials has been promoted, be convenient for take place the skew condition when little supersound and biopsy forceps get into, nasal cavity location shell 19 can fix a position the nasal cavity, carry out the part with the nasal cavity when bronchoscope main part 2 gets into and keep apart, the nasal cavity breathing difficulty is avoided in the fretwork setting, promote and prevent the effect.

This practical theory of operation:

referring to the attached figures 1-8 of the specification, when small ultrasonic examination needs to be started, two material-taking air bag sleeves 4 in a certain inflation state are sent into two working hole channels 3 of a bronchoscope main body 2 through built-in guide wires 6, the original guide wires 6 are pulled out after approaching a diseased part, the guide wires are changed into small ultrasonic waves, the small ultrasonic waves are sent into a hose for detection, once the diseased part is detected, the position of the diseased part is unchanged, the position of the diseased part is detected through the small ultrasonic waves, then biopsy is carried out on the diseased part through biopsy forceps, the arranged material-taking air bag sleeves 4 made of artificial biological envelope materials are flexible in texture, can adapt to branch air passages with various diameters, are moderate in hardness and flexible, are not influenced by angle change, have shape adaptability, reduce frictional damage to the air passages to the minimum, can change a biopsy mode, and can adapt to the positioning of any bronchoscope, the biopsy forceps can be adjusted along with the bronchoscope, so that the flexibility is improved, the working visual field is widened, the material taking activity of small bronchi at the periphery of the lung field can be realized, and the sampling deviation of the biopsy forceps from the actual position is effectively prevented;

referring to the attached figure 6 of the specification, by arranging the positioning mechanism 10, when the small ultrasonic forceps and the biopsy forceps are placed in the material taking air bag sleeve 4, the clamping ring 13 is rotated, the threads of the clamping ring 13 and the clamping plates 11 rotate upwards, and then the distance between the two clamping plates 11 is reduced, so that the clamping layer 12 is driven to fix the small ultrasonic forceps or the biopsy forceps, and the fixing effect of the positions of the small ultrasonic forceps and the biopsy forceps after being placed is improved;

referring to specification attached drawing 5 and figure 7, through setting up first friction screw thread, second friction screw thread and complementary unit 18, the gasbag cover 4 of drawing materials enters into the inside back inflation of working channel 3, the second friction screw thread and the first friction screw thread combination on gasbag cover 4 surface of drawing materials, prevent simultaneously that air return bag ring 15 card is inside at constant head tank 17, thereby prevent that gasbag cover 4 of drawing materials breaks away from with working channel 3, the fixed stability of gasbag cover 4 of drawing materials has been promoted, be convenient for take place the skew condition when little supersound and biopsy forceps get into, nasal cavity location shell 19 can be fixed a position the nasal cavity, carry out partial isolation with the nasal cavity when bronchoscope main part 2 gets into, the nasal cavity breathing difficulty is avoided in the fretwork setting, promote and prevent the effect.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the embodiments of the present disclosure, only the structures related to the embodiments of the present disclosure are referred to, and other structures may refer to general designs, and in the case of no conflict, the same embodiment and different embodiments of the present disclosure may be combined with each other;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a combined type supersound guide bronchus sampling device which characterized in that: comprises two working mechanisms (1);

the double-working mechanism (1) comprises a bronchoscope main body (2), a working hole channel (3) is arranged in the bronchoscope main body (2), the interior of the working pore passage (3) is provided with a material taking air bag sleeve (4), the cross section of the material taking air bag sleeve (4) is in a circular ring shape, a first air cavity (5) is arranged inside the material taking air bag sleeve (4), the material taking air bag sleeve (4) is made of artificial biofilm material, a guide wire (6) is arranged in the material taking air sac sleeve (4), an air conveying pipe (7) is fixedly arranged at one side of the material taking air sac sleeve (4), an inflation switch valve (8) is fixedly arranged at one end of the gas conveying pipe (7), the inflation switch valve (8) is connected with the interior of the material-taking air bag sleeve (4) in a sliding way, a limiting ring (9) is fixedly arranged at the top of the material taking air bag sleeve (4), and a positioning mechanism (10) is fixedly arranged at the top of the limiting ring (9);

the positioning mechanism (10) comprises two clamping plates (11), the two clamping plates (11) are fixedly connected with a limiting ring (9), a clamping layer (12) is arranged inside each of the two clamping plates (11) and the limiting ring (9), the clamping layer (12) is made of silica gel materials, the shape of a constant connection line of the clamping plates (11) is trapezoidal, a clamping ring (13) is arranged on the outer side of each clamping plate (11), and the clamping ring (13) is in threaded connection with the clamping plates (11).

2. The composite ultrasound-guided bronchial sampling device of claim 1, wherein: bronchoscope main part (2) inner wall is equipped with first friction screw thread, the gasbag cover (4) surface of drawing materials is equipped with second friction screw thread.

3. The composite ultrasound-guided bronchial sampling device of claim 1, wherein: bronchoscope main part (2) top and bottom all are equipped with import (14), import (14) and working hole (3) quantity all set up to two.

4. The composite ultrasound-guided bronchial sampling device of claim 1, wherein: the air bag cover (4) bottom of drawing materials is equipped with prevents returning air bag ring (15), prevent returning air bag ring (15) inside and be equipped with second air cavity (16), prevent returning air bag ring (15) cross sectional shape and set up to the ring shape, prevent returning air bag ring (15) and draw materials air bag cover (4) through connection.

5. The compound ultrasound-guided bronchial sampling device of claim 2, wherein: a positioning groove (17) is formed in one side of the first friction thread, and the positioning groove (17) is matched with the anti-return air bag ring (15).

6. The composite ultrasound-guided bronchial sampling device of claim 1, wherein: an auxiliary mechanism (18) is arranged on the outer side of the bronchoscope main body (2), and the auxiliary mechanism (18) comprises a nasal cavity positioning shell (19).

7. The composite ultrasound-guided bronchial sampling device of claim 6, wherein: a limiting ring (20) is fixedly arranged on one side of the nasal cavity positioning shell (19), and the limiting ring (20) is made of rubber materials.

8. The composite ultrasound-guided bronchial sampling device of claim 6, wherein: the other end of the nasal cavity positioning shell (19) is provided with a shaping end (21), and the nasal cavity positioning shell (19) and the shaping end (21) are both hollowed out.