CN113856006A

CN113856006A - Neurosurgery catheter device

Info

Publication number: CN113856006A
Application number: CN202111302737.5A
Authority: CN
Inventors: 张树葆; 林凯; 印素娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2021-12-31
Anticipated expiration: 2041-11-05
Also published as: CN113856006B

Abstract

The invention relates to the technical field of conveying pipes, in particular to a neurosurgery pipe device which comprises a conveying pipeline, wherein an inflation spreading ball is fixedly arranged on a pipe body at the tail part of the conveying pipeline, an inflation device is arranged at the head part of the conveying pipeline, a pushing device is also arranged on a pipe body at the tail end of the head part of the conveying pipeline, an inflation cavity arranged along the length direction of the conveying pipeline is arranged inside the pipe wall of the conveying pipeline, an inflation cavity is arranged between the inflation spreading ball and the conveying pipeline, an air outlet communicated with the inflation cavity is arranged on the wall of the inflation cavity, the inflation device comprises a hose arranged on the pipe body at the head part of the conveying pipeline, the pushing device comprises a transparent pipe fixedly arranged on the pipe body at the head part of the conveying pipeline, and a lubricating cavity arranged along the length direction of the conveying pipeline is also arranged inside the pipe wall of the conveying pipeline. The invention is beneficial to the conveying operation of the liquid medicine, is convenient to use and brings convenience to the working personnel.

Description

Neurosurgery catheter device

Technical Field

The invention relates to the technical field of conveying catheters, in particular to a neurosurgical catheter device.

Background

When carrying out neurosurgery's treatment operation, to partial patient, need carry the focus position to the patient with the treatment liquid medicine that corresponds usually, when carrying out the transport operation of treatment liquid medicine, can use corresponding neurosurgery pipe device usually, conventional neurosurgery pipe device is when using, it is internal to be the direct use pipeline and insert the patient, carry out the transport operation of liquid medicine again after the pipeline end reaches the focus position, in-process, can be owing to the terminal of pipeline lacks the corresponding part that properly struts the mucosa at focus position, can cause the terminal arbitrary mucosa of stabbing to the patient internal of pipeline, cause the mucosa damaged, influence treatment, also can bring secondary damage for the patient simultaneously, bring inconvenience for the staff.

Disclosure of Invention

The present invention is directed to a neurosurgical catheter device that addresses the above-mentioned deficiencies in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a neurosurgery catheter unit, includes pipeline, fixed mounting has the inflation to prop open the ball on pipeline's afterbody position body, pipeline's head is provided with aerating device, still be provided with injection device on pipeline's the terminal body in head position.

Preferably, an air-through chamber is arranged in the pipe wall of the conveying pipe along the length direction of the conveying pipe, an air-through chamber is arranged between the air-through expansion ball and the conveying pipe, an air outlet hole communicated with the air-through chamber is arranged on the wall of the air-through chamber, the air charging device comprises a hose arranged on the pipe body at the head of the conveying pipe, the hose is communicated with the air-through chamber, and a threaded joint is arranged at the tail end of the hose, so that the air-through expansion ball can be used for properly expanding the air-through expansion ball by charging the hose into the air-through chamber, the mucous membrane can be properly expanded by the air-through expansion ball, and meanwhile, the tail end of the conveying pipe can be protected at the middle position by the air-through expansion ball, and the situation that the mucous membrane is damaged due to random puncture of the conveying pipe to the mucous membrane can be avoided.

Preferably, the inflation device further comprises a micro air pump arranged on one side of the hose, an air outlet pipe is arranged on a pipe body at the air outlet end of the micro air pump, a hard insertion pipe is arranged at the tail end of the air outlet pipe, and the hard insertion pipe is located on the threaded connector and is in insertion fit with the threaded connector, so that when the inflation device is used, the micro air pump can be used for working, conveying operation of air is carried out, and the inflation towards the inflation cavity is smoother and convenient to use.

Preferably, the inflation device further comprises a threaded sleeve sleeved on the hard insertion tube, the threaded sleeve is located on the threaded joint and is in threaded connection with the threaded joint, and the top surface of the hard insertion tube and the top surface of the threaded joint are both abutted to the top wall of the threaded sleeve, so that the hard insertion tube is conveniently limited and fixed, and the hard insertion tube is guaranteed to be fixedly installed on the threaded joint more firmly and stably.

Preferably, the threaded sleeve is provided with a knob, so that the threaded sleeve is driven to rotate more smoothly by rotating the knob.

Preferably, the injection device comprises a transparent tube fixedly arranged on the tube body at the head of the conveying pipeline, a medicine injection tube is fixedly arranged on the tube body at the front end part of the transparent tube, an inflatable cylindrical rubber ball is arranged in the transparent tube, the tube body at the rear end part of the inflatable cylindrical rubber ball is fixedly arranged on the tube wall of the transparent tube, a plugging rubber ball is fixedly arranged on the tube body at the front end part of the inflatable cylindrical rubber ball, the plugging rubber ball is positioned in the transparent tube and is in sliding connection with the transparent tube, an inflation tube penetrating through the transparent tube is arranged on the tube body at the rear end part of the inflatable cylindrical rubber ball, and a fixed joint is fixedly arranged on the tube body at the top end of the inflation tube, so that the inflatable cylindrical rubber ball is inflated towards the interior of the inflatable cylindrical rubber ball when the injection device is used, the inflatable cylindrical rubber ball expands along the length direction of the conveying pipeline, and further drives the plugging rubber ball to move forwards, the liquid medicine remained in the conveying pipeline is extruded outwards more thoroughly, and more liquid medicine remained in the conveying pipeline is avoided.

Preferably, the first rubber plug is fixedly mounted on the tube wall of the drug injection tube, so that the external drug solution injection needle can conveniently pass through the first rubber plug to deliver drug solution, and the drug solution can be prevented from flowing out of the tail end of the drug injection tube through the arranged first rubber plug.

Preferably, the sealing plug is fixedly mounted on the end pipe body of the transparent pipe far away from the conveying pipeline, so that the inflatable cylindrical rubber ball is sealed, and the inflatable cylindrical rubber ball cannot expand outwards towards one side of the transparent pipe far away from the conveying pipeline.

Preferably, a lubricating chamber arranged along the length direction of the conveying pipeline is further arranged inside the pipe wall of the conveying pipeline, a liquid outlet hole communicated with the outside is formed in the wall of the lubricating chamber on the side close to the inflatable distraction ball, and a liquid injection pipe communicated with the lubricating chamber is further arranged on the pipe body at the end part of the conveying pipeline far away from the inflatable distraction ball, so that the lubricating liquid medicine can be conveyed towards the lubricating chamber in use, the lubricating liquid medicine is discharged from the liquid outlet hole, the effect of lubricating the surface of the inflatable distraction ball can be achieved, the friction force between the inflatable distraction ball and a mucous membrane can be favorably reduced, and the inflatable distraction ball can move more smoothly.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention ensures that the inflatable spreading ball can be inflated towards the interior of the inflatable spreading ball when in use through the arranged inflatable spreading ball and the inflating device, so that the inflatable spreading ball is expanded properly, the expanded inflatable spreading ball can properly spread the mucosa in the body of a patient, and simultaneously, the expanded inflatable spreading ball can protect the tail end pipe body of the conveying pipeline at the middle position, so that the tail end pipe body of the conveying pipeline can not be poked to the mucosa of the patient at will to cause the mucosa to be damaged, the use is convenient, the problem that the conventional neurosurgery catheter device is directly inserted into the body of the patient when in use, and the tail end of the pipeline reaches a focus position and then carries out the conveying operation of liquid medicine is solved, in the process, the tail end of the pipeline can poke to the mucosa in the body of the patient due to the lack of a corresponding part for properly spreading the mucosa at the focus position, cause the mucosa damaged, influence treatment, also may bring secondary injury for the patient simultaneously, bring inconvenient problem for the staff.

2. The injection device ensures that the inflatable cylindrical rubber ball can be inflated in the direction of the inflatable cylindrical rubber ball when in use, so that the inflatable cylindrical rubber ball expands forwards along the conveying pipeline, the plugging rubber ball is further driven to move forwards, the liquid medicine remained in the conveying pipeline is extruded outwards, more liquid medicine cannot remain in the conveying pipeline, the waste of the liquid medicine is reduced, and the use is convenient.

3. The inflatable spreading ball is provided with the lubricating cavity, the liquid outlet hole and the liquid injection pipe, so that lubricating liquid medicine can be injected into the lubricating cavity when the inflatable spreading ball is used, the lubricating liquid medicine is discharged from the liquid outlet hole, the surface of the inflatable spreading ball is lubricated, the friction force between the inflatable spreading ball and a mucous membrane is reduced, and the inflatable spreading ball is more stable and smooth in movement.

Drawings

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a cross-sectional view of a transfer tube and an inflatable spreading ball in example 1 of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 in example 1 of the present invention;

FIG. 4 is an exploded perspective view of an inflator in example 1 of the present invention;

FIG. 5 is a schematic structural view of example 2 of the present invention;

FIG. 6 is a schematic diagram showing an exploded view of a bolus device in example 2 of the present invention;

FIG. 7 is a schematic structural view of example 3 of the present invention;

fig. 8 is a partial structural diagram in embodiment 3 of the present invention.

The meaning of the individual reference symbols in the figures is:

1. a delivery conduit; 10. a ventilation chamber; 11. an air outlet; 12. inflating and opening the ball; 121. a plenum chamber;

2. an inflator; 20. a hose; 201. a threaded joint; 21. a micro air pump; 22. an air outlet pipe; 23. a hard cannula; 24. a threaded sleeve; 25. a knob;

3. a bolus injection device; 30. a transparent tube; 301. blocking; 31. a medicine injection tube; 311. a first rubber plug; 32. inflating cylindrical rubber balls; 33. plugging the rubber ball; 34. an inflation tube; 35. fixing the joint;

4. a lubrication chamber; 40. a liquid outlet hole; 41. a liquid injection pipe; 42. and a second rubber plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1 to fig. 4, the present embodiment provides a technical solution: a neurosurgery catheter device comprises a conveying pipeline 1, an inflatable distraction ball 12 is integrally formed on a pipe body at the tail part of the conveying pipeline 1, an air vent chamber 10 arranged along the length direction of the conveying pipeline 1 is arranged inside the pipe wall of the conveying pipeline 1, an inflation chamber 121 is arranged between the inflatable distraction ball 12 and the conveying pipeline 1, an air outlet 11 communicated with the inflation chamber 121 is arranged on the cavity wall of the air vent chamber 10, an inflation device 2 is arranged at the head part of the conveying pipeline 1, the inflation device 2 comprises a hose 20 integrally formed on the pipe body at the head part of the conveying pipeline 1, the hose 20 is communicated with the air vent chamber 10, a threaded connector 201 is integrally formed on a pipe body at the tail end of the hose 20, and when the neurosurgery catheter device is used, the inflatable distraction ball 12 can be properly expanded by inflating the hose 20 towards the inflation chamber 121, and mucosa is properly distracted by the inflatable distraction ball 12, simultaneously, the inflation after the inflation struts ball 12 and can be with the terminal protection of pipeline 1 in the intermediate position, can avoid the terminal body of pipeline 1 to stab at will and cause the impaired condition of mucosa to appear to the mucosa, facilitates the use.

In this embodiment, the inflation device 2 further comprises a miniature air pump 21 arranged on one side of the hose 20, an air outlet pipe 22 is fixedly arranged on an air outlet end pipe body of the miniature air pump 21, a hard insertion pipe 23 is integrally formed at the tail end of the air outlet pipe 22, the hard insertion pipe 23 is positioned on the threaded connector 201 and is matched with the threaded connector 201 in an inserting mode, it is guaranteed that when the inflation device is used, the miniature air pump 21 can be used for working, air conveying operation is carried out, and the inflation device enables the inflation in the inflation cavity 121 to be smooth and is convenient to use.

Specifically, aerating device 2 still establishes threaded sleeve 24 on stereoplasm intubate 23 including the cover, sliding connection between threaded sleeve 24 and the outlet duct 22, threaded sleeve 24 be located on screwed joint 201 and with screwed joint 201 between threaded connection, the top surface of stereoplasm intubate 23 and screwed joint 201's top surface all support on the roof of threaded sleeve 24, conveniently twist back on screwed joint 201 with threaded sleeve 24, the realization carries out spacing fixed to stereoplasm intubate 23, guarantee that stereoplasm intubate 23 fixed mounting is more firm stable on screwed joint 201.

Further, the threaded sleeve 24 is integrally formed with a knob 25, so that the threaded sleeve 24 can be driven to rotate more smoothly by rotating the knob 25.

It should be noted that the micro air pump 21 in the present embodiment is a conventional technology, and is not described herein again.

This embodiment is in specific use, switch on external power supply and make its work with miniature air pump 21, miniature air pump 21 work, begin towards outlet duct 22, stereoplasm intubate 23, hose 20, aerify in ventilation chamber 10 and the inflation chamber 121, gaseous back in entering the inflation chamber 121, can make and aerify and strut ball 12 and suitably expand, it is internal that the inflation that will expand struts ball 12 stretches into the patient again, because the inflation after the inflation struts ball 12 and can suitably strut the internal mucosa of patient, and simultaneously, the inflation after the inflation struts ball 12 and can protect the terminal of pipeline 1 in intermediate position department, can avoid pipeline 1's terminal arbitrary puncture to the internal mucosa of patient and cause the mucosa impaired, and convenient to use.

Example 2

Referring to fig. 5 to 6, the difference between the present embodiment and embodiment 1 is: the end pipe body of the head position of the conveying pipeline 1 is also provided with a pushing injection device 3, the pushing injection device 3 comprises a transparent pipe 30 integrally formed on the pipe body of the head position of the conveying pipeline 1, and a medicine injection pipe 31 is integrally formed on the pipe body of the front end part of the transparent pipe 30, so that medicine liquid can be conveniently conveyed towards the conveying pipeline 1 by the medicine injection pipe 31; an inflatable cylindrical rubber ball 32 is arranged in the transparent tube 30, a rear end tube body of the inflatable cylindrical rubber ball 32 is fixedly arranged on the tube wall of the transparent tube 30, a front end tube body of the inflatable cylindrical rubber ball 32 is fixedly provided with a plugging rubber ball 33, the plugging rubber ball 33 is positioned in the transparent tube 30 and is in sliding connection with the transparent tube 30, an inflation tube 34 penetrating through the transparent tube 30 is arranged on the rear end tube body of the inflatable cylindrical rubber ball 32, the inflation tube 34 is fixedly arranged on the transparent tube 30, a fixed joint 35 is integrally formed on a top end tube body of the inflation tube 34, so that when the medical liquid medicine bottle is used, the inflation tube 34 inflates towards the inflatable cylindrical rubber ball 32, the inflatable cylindrical rubber ball 32 expands forwards along the length direction of the conveying pipeline 1, the plugging rubber ball 33 is further driven to move forwards, after the plugging rubber ball 33 moves, the medical liquid remaining in the conveying pipeline 1 is more completely extruded outwards, and more medical liquid medicine remaining in the conveying pipeline 1 is avoided, resulting in waste of liquid medicine.

In this embodiment, the size of shutoff rubber ball 33 and pipeline 1's size looks adaptation guarantees that shutoff rubber ball 33 can carry out the shutoff to pipeline 1, guarantees not to leave the clearance that the liquid medicine can flow between shutoff rubber ball 33 and the inner wall of pipeline 1.

Specifically, fixed mounting has first rubber buffer 311 on the pipe wall of injection pipe 31, and first rubber buffer 311 adopts rubber materials to make, and it is more convenient to make the transport operation that utilizes external liquid medicine syringe to pass to carry out the liquid medicine in first rubber buffer 311, and through the first rubber buffer 311 that sets up, can avoid the liquid medicine to flow from injection pipe 31's end.

Further, the end pipe body of the transparent pipe 30 far away from the conveying pipeline 1 is integrally formed with a plugging plug 301, and the inflatable cylindrical rubber ball 32 is plugged through the arranged plugging plug 301, so that the inflatable cylindrical rubber ball 32 cannot expand outwards towards one side of the transparent pipe 30 far away from the conveying pipeline 1, and the inflatable cylindrical rubber ball 32 is favorably expanded forwards to drive the plugging rubber ball 33 to move forwards.

In addition, the plugging rubber ball 33 is located on one side of the medicine injection tube 31 close to the plugging plug 301, so that when medicine liquid is injected into the medicine injection tube 31, the medicine liquid can enter the conveying pipeline 1 from the front side of the plugging rubber ball 33 and is finally discharged from the tail end of the conveying pipeline 1, and the situation that the medicine liquid cannot be discharged from the tail end of the conveying pipeline 1 when the medicine liquid is plugged by the plugging rubber ball 33 is avoided.

This embodiment is in specific use, at first, utilize syringe needle on the external syringe to pass behind first rubber buffer 311 towards injecting the liquid medicine in injection pipe 31, the liquid medicine can enter into injection pipe 31 and further enter into pipeline 1, the terminal discharge that pipeline 1 was finally followed to the liquid medicine, the operation of dosing, after the operation of dosing, probably still can remain partial liquid medicine in pipeline 1, at this moment, can aerify towards fixed joint 35, gas enters into in aerifing cylindricality glueballs 32 along gas tube 34, can make and aerify cylindricality glueballs 32 expand along pipeline 1's length direction forward, further drive shutoff glueballs 33 forward motion, the realization is continued to extrude the liquid medicine that will remain in pipeline 1 forward, reduce the residue and the waste of liquid medicine, and convenient to use.

Example 3

Referring to fig. 7 to 8, the difference between the present embodiment and embodiment 1 is: the inside lubrication cavity 4 that still is provided with along conveying pipeline 1 length direction of pipe wall of conveying pipeline 1 sets up, be provided with the liquid outlet 40 that is linked together with the external world on the chamber wall that lubrication cavity 4 is close to aerify and struts ball 12 one side, still integrated into one piece has the notes liquid pipe 41 that is linked together with lubrication cavity 4 on the tip body that conveying pipeline 1 kept away from aerify and struts ball 12, guarantee when using, can be towards the lubricated liquid medicine of transport in the lubrication cavity 4, utilize lubricated liquid medicine to discharge from liquid outlet 40, can play and strut the effect that the surface of ball 12 lubricates aerifys, do benefit to and reduce the frictional force between ball 12 and the mucosa of aerifing, make the ball 12 of aerifing strut more smoothly when removing.

In this embodiment, fixed mounting has second rubber buffer 42 on annotating the terminal body of liquid pipe 41, through the second rubber buffer 42 that sets up, realizes carrying out the shutoff to annotating the end of liquid pipe 41, makes lubricated liquid medicine can not outwards discharge from annotating the end of liquid pipe 41, and when injecting lubricated liquid medicine, can use the syringe needle on the external syringe to pass the transport operation of lubricated liquid medicine again behind the second rubber buffer 42, facilitates the use simultaneously.

This embodiment is in specific use, pass the syringe needle on the syringe of lubricated liquid medicine of external splendid attire again towards annotating the injection pipe 41 and pour into lubricated liquid medicine into after the second rubber buffer 42, lubricated liquid medicine can further be discharged from liquid hole 40 along lubricated cavity 4, because liquid hole 40 is located the rear side that aerifys distraction ball 12, can suitably outwards drag out pipeline 1, drive aerify distraction ball 12 backward motion, make aerify distraction ball 12 can contact with lubricated liquid medicine, the realization is to aerifing the operation of lubricating of distraction ball 12, it is more smooth when removing to aerify distraction ball 12 after the lubrication, and convenient to use.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A neurosurgical catheter device comprising a delivery conduit (1), characterized in that: the inflatable spreading ball (12) is fixedly mounted on the pipe body at the tail position of the conveying pipeline (1), the inflating device (2) is arranged at the head of the conveying pipeline (1), and the injection device (3) is further arranged on the pipe body at the tail end of the head position of the conveying pipeline (1).

2. The neurosurgical catheter device of claim 1, wherein: the utility model discloses a pneumatic conveying device, including pipeline (1), inflation cavity (10) and aerating device, the pipe wall inside of pipeline (1) is provided with along pipeline (1) length direction sets up ventilate cavity (10), inflate strutting ball (12) with be provided with between pipeline (1) and inflate cavity (121), be provided with on the chamber wall of ventilating cavity (10) with venthole (11) that aerify cavity (121) and be linked together, aerating device (2) are including setting up hose (20) on pipeline (1) head position body, hose (20) with ventilate cavity (10) are linked together, the end of hose (20) is provided with screwed joint (201).

3. The neurosurgical catheter device of claim 2, wherein: the inflation device (2) is characterized by further comprising a miniature air pump (21) arranged on one side of the hose (20), an air outlet pipe (22) is arranged on an air outlet end pipe body of the miniature air pump (21), a hard insertion pipe (23) is arranged at the tail end of the air outlet pipe (22), and the hard insertion pipe (23) is located on the threaded connector (201) and is in plug-in fit with the threaded connector (201).

4. A neurosurgical catheter device according to claim 3, wherein: aerating device (2) still establish including the cover thread bush (24) on stereoplasm intubate (23), thread bush (24) are located on screwed joint (201) and with threaded connection between screwed joint (201), the top surface of stereoplasm intubate (23) with the top surface of screwed joint (201) all supports on the roof of thread bush (24).

5. The neurosurgical catheter device of claim 4, wherein: and a knob (25) is arranged on the threaded sleeve (24).

6. The neurosurgical catheter device of claim 1, wherein: the injection device (3) comprises a transparent tube (30) fixedly arranged on the tube body at the head part of the delivery pipeline (1), a medicine injection tube (31) is fixedly arranged on the front end part tube body of the transparent tube (30), an inflatable cylindrical rubber ball (32) is arranged in the transparent tube (30), the rear end tube body of the inflatable cylindrical rubber ball (32) is fixedly arranged on the tube wall of the transparent tube (30), a plugging rubber ball (33) is fixedly arranged on the front end pipe body of the inflatable column-shaped rubber ball (32), the plugging rubber ball (33) is positioned in the transparent tube (30) and is in sliding connection with the transparent tube (30), an inflation tube (34) which penetrates through the transparent tube (30) is arranged on the rear end tube body of the inflatable cylindrical rubber ball (32), and a fixed joint (35) is fixedly arranged on the top end pipe body of the inflation pipe (34).

7. The neurosurgical catheter device of claim 6, wherein: and a first rubber plug (311) is fixedly arranged on the tube wall of the medicine injection tube (31).

8. The neurosurgical catheter device of claim 6, wherein: and a sealing plug (301) is fixedly arranged on the tail end pipe body of the transparent pipe (30) far away from the conveying pipeline (1).

9. The neurosurgical catheter device of claim 1, wherein: the pipe wall of conveying pipeline (1) is inside still to be provided with along lubricating cavity (4) that conveying pipeline (1) length direction set up, be provided with liquid outlet hole (40) that are linked together with the external world on the chamber wall that lubricating cavity (4) are close to gas-filled distraction ball (12) one side, still be provided with on the tip body of conveying pipeline (1) keep away from gas-filled distraction ball (12) with annotate liquid pipe (41) that lubricating cavity (4) are linked together.